diff options
| author | Christian Grothoff <christian@grothoff.org> | 2019-01-11 21:27:34 +0100 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2019-01-11 21:43:15 +0100 |
| commit | 54fc83ee6b910d482948c6ec8185df7aab1b0cb1 (patch) | |
| tree | 10c04cad1392659a9ccef469271f866e393ebb48 /src/exchange-lib | |
| parent | 57ab9f9fdba607fcc3817adf58f37c5390f8d220 (diff) | |
fix cyclic dependency by combining exchange-lib and auditor-lib directories
Diffstat (limited to 'src/exchange-lib')
82 files changed, 0 insertions, 21824 deletions
diff --git a/src/exchange-lib/Makefile.am b/src/exchange-lib/Makefile.am deleted file mode 100644 index f7fb55f0b..000000000 --- a/src/exchange-lib/Makefile.am +++ /dev/null @@ -1,181 +0,0 @@ -# This Makefile.am is in the public domain -AM_CPPFLAGS = -I$(top_srcdir)/src/include -I$(top_srcdir)/src/bank-lib - -if USE_COVERAGE - AM_CFLAGS = --coverage -O0 - XLIB = -lgcov -endif - -lib_LTLIBRARIES = \ - libtalerexchange.la \ - libtalertesting.la - -libtalerexchange_la_LDFLAGS = \ - -version-info 4:0:0 \ - -no-undefined -libtalerexchange_la_SOURCES = \ - curl_defaults.c \ - exchange_api_common.c \ - exchange_api_handle.c exchange_api_handle.h \ - exchange_api_deposit.c \ - exchange_api_payback.c \ - exchange_api_refresh.c \ - exchange_api_refresh_link.c \ - exchange_api_refund.c \ - exchange_api_reserve.c \ - exchange_api_track_transaction.c \ - exchange_api_track_transfer.c \ - exchange_api_wire.c -libtalerexchange_la_LIBADD = \ - $(top_builddir)/src/auditor-lib/libtalerauditor.la \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - -lgnunetcurl \ - -lgnunetjson \ - -lgnunetutil \ - -ljansson \ - $(XLIB) - -libtalertesting_la_LDFLAGS = \ - -version-info 0:0:0 \ - -no-undefined -libtalertesting_la_SOURCES = \ - curl_defaults.c \ - testing_api_cmd_exec_aggregator.c \ - testing_api_cmd_exec_wirewatch.c \ - testing_api_cmd_exec_keyup.c \ - testing_api_cmd_exec_auditor-sign.c \ - testing_api_cmd_fakebank_transfer.c \ - testing_api_cmd_withdraw.c \ - testing_api_cmd_wire.c \ - testing_api_cmd_refund.c \ - testing_api_cmd_status.c \ - testing_api_cmd_deposit.c \ - testing_api_cmd_sleep.c \ - testing_api_cmd_refresh.c \ - testing_api_cmd_track.c \ - testing_api_cmd_bank_check.c \ - testing_api_cmd_payback.c \ - testing_api_cmd_signal.c \ - testing_api_cmd_check_keys.c \ - testing_api_cmd_batch.c \ - testing_api_cmd_serialize_keys.c \ - testing_api_helpers.c \ - testing_api_loop.c \ - testing_api_traits.c \ - testing_api_trait_blinding_key.c \ - testing_api_trait_coin_priv.c \ - testing_api_trait_denom_pub.c \ - testing_api_trait_denom_sig.c \ - testing_api_trait_exchange_pub.c \ - testing_api_trait_exchange_sig.c \ - testing_api_trait_json.c \ - testing_api_trait_process.c \ - testing_api_trait_reserve_priv.c \ - testing_api_trait_number.c \ - testing_api_trait_fresh_coin.c \ - testing_api_trait_string.c \ - testing_api_trait_key_peer.c \ - testing_api_trait_wtid.c \ - testing_api_trait_amount.c \ - testing_api_trait_cmd.c -libtalertesting_la_LIBADD = \ - libtalerexchange.la \ - $(top_builddir)/src/wire/libtalerwire.la \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - $(top_builddir)/src/bank-lib/libtalerbank.la \ - $(top_builddir)/src/bank-lib/libtalerfakebank.la \ - -lgnunetcurl \ - -lgnunetjson \ - -lgnunetutil \ - -ljansson \ - $(XLIB) - -if HAVE_LIBCURL -libtalerexchange_la_LIBADD += -lcurl -else -if HAVE_LIBGNURL -libtalerexchange_la_LIBADD += -lgnurl -endif -endif - -check_PROGRAMS = \ - test_exchange_api_keys_cherry_picking_new \ - test_exchange_api_overlapping_keys_bug \ - test_exchange_api_new - -if HAVE_TWISTER - check_PROGRAMS += \ - test_exchange_api_twisted - -test_exchange_api_twisted_SOURCES = \ - test_exchange_api_twisted.c -test_exchange_api_twisted_LDADD = \ - $(LIBGCRYPT_LIBS) \ - $(top_builddir)/src/exchange-lib/libtalertesting.la \ - $(top_builddir)/src/bank-lib/libtalerfakebank.la \ - $(top_builddir)/src/bank-lib/libtalerbank.la \ - $(top_builddir)/src/exchange-lib/libtalerexchange.la \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - -ltalertwistertesting \ - -lgnunetjson \ - -lgnunetcurl \ - -lgnunetutil \ - -ljansson - -endif - -AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH; - -TESTS = \ - $(check_PROGRAMS) - -test_exchange_api_new_SOURCES = \ - test_exchange_api_new.c -test_exchange_api_new_LDADD = \ - libtalertesting.la \ - libtalerexchange.la \ - $(LIBGCRYPT_LIBS) \ - $(top_builddir)/src/bank-lib/libtalerfakebank.la \ - $(top_builddir)/src/bank-lib/libtalerbank.la \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - -lgnunetcurl \ - -lgnunetutil \ - -ljansson - -test_exchange_api_overlapping_keys_bug_SOURCES = \ - test_exchange_api_overlapping_keys_bug.c -test_exchange_api_overlapping_keys_bug_LDADD = \ - libtalertesting.la \ - libtalerexchange.la \ - $(LIBGCRYPT_LIBS) \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - $(top_builddir)/src/bank-lib/libtalerbank.la \ - -lgnunetcurl \ - -lgnunetutil \ - -ljansson - -test_exchange_api_keys_cherry_picking_new_SOURCES = \ - test_exchange_api_keys_cherry_picking_new.c -test_exchange_api_keys_cherry_picking_new_LDADD = \ - libtalertesting.la \ - libtalerexchange.la \ - $(LIBGCRYPT_LIBS) \ - $(top_builddir)/src/json/libtalerjson.la \ - $(top_builddir)/src/util/libtalerutil.la \ - $(top_builddir)/src/bank-lib/libtalerbank.la \ - -lgnunetcurl \ - -lgnunetutil \ - -ljansson - -EXTRA_DIST = \ - test_exchange_api_home/.local/share/taler/exchange/offline-keys/master.priv \ - test_exchange_api_home/.config/taler/test.json \ - test_exchange_api_home/.config/taler/sepa.json \ - test_exchange_api.conf \ - test_exchange_api_keys_cherry_picking.conf \ - test_exchange_api_keys_cherry_picking_extended.conf diff --git a/src/exchange-lib/afl-generate.sh b/src/exchange-lib/afl-generate.sh deleted file mode 100644 index b0afcab35..000000000 --- a/src/exchange-lib/afl-generate.sh +++ /dev/null @@ -1,34 +0,0 @@ -#!/bin/sh -# -# This file is part of TALER -# Copyright (C) 2015 GNUnet e.V. -# -# TALER is free software; you can redistribute it and/or modify it under the -# terms of the GNU Affero General Public License as published by the Free Software -# Foundation; either version 3, or (at your option) any later version. -# -# TALER is distributed in the hope that it will be useful, but WITHOUT ANY -# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR -# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. -# -# You should have received a copy of the GNU Affero General Public License along with -# TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> -# -# -# This will generate testcases in a directory 'afl-tests', which can then -# be moved into src/exchange/afl-tests/ to be run during exchange-testing. -# -# This script uses American Fuzzy Loop (AFL) to fuzz the exchange to -# automatically create tests with good coverage. You must install -# AFL and set AFL_HOME to the directory where AFL is installed -# before running. Also, a directory "baseline/" should exist with -# templates for inputs for AFL to fuzz. These can be generated -# by running wireshark on loopback while running 'make check' in -# this directory. Save each HTTP request to a new file. -# -# Note that you want to switch 'TESTRUN = NO' and pre-init the -# database before running this, otherwise it will be awfully slow. -# -# Must be run from this directory. -# -$AFL_HOME/afl-fuzz -i baseline/ -m 250 -o afl-tests/ -f /tmp/afl-input taler-exchange-httpd -i -f /tmp/afl-input -d test-exchange-home/ -C diff --git a/src/exchange-lib/backoff.h b/src/exchange-lib/backoff.h deleted file mode 100644 index 2af41e7c7..000000000 --- a/src/exchange-lib/backoff.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/backoff.h - * @brief backoff computation for the exchange lib - * @author Florian Dold - */ - - -#ifndef _TALER_BACKOFF_H -#define _TALER_BACKOFF_H - -#include "platform.h" -#include <gnunet/gnunet_time_lib.h> - -/** - * Random exponential backoff used in the exchange lib. - */ -#define EXCHANGE_LIB_BACKOFF(r) GNUNET_TIME_randomized_backoff ( \ - (r), \ - GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2)); - -#endif diff --git a/src/exchange-lib/baseline/admin_add_incoming.req b/src/exchange-lib/baseline/admin_add_incoming.req deleted file mode 100644 index 677678b5d..000000000 --- a/src/exchange-lib/baseline/admin_add_incoming.req +++ /dev/null @@ -1,7 +0,0 @@ -POST /admin/add/incoming HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json -Content-Length: 220 - -{"reserve_pub":"TMZCK5CFM1KZQGY1WTF0CEZZPGA0670G94969RF79PA5106ARTK0","amount":{"currency":"EUR","value":5,"fraction":10000},"execution_date":"/Date(1442821651)/","wire":{"type":"TEST","bank":"source bank","account":42}}
\ No newline at end of file diff --git a/src/exchange-lib/baseline/deposit.req b/src/exchange-lib/baseline/deposit.req deleted file mode 100644 index a400796f1..000000000 --- a/src/exchange-lib/baseline/deposit.req +++ /dev/null @@ -1,8 +0,0 @@ -POST /deposit HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json -Content-Length: 1658 -Expect: 100-continue - -{"ub_sig":"51SPJSSDESGPR80A40M74WV140520818ECG26E9M8S0M6CSH6X334GSN8RW30D9G8MT46CA660W34GSG6MT4AD9K8GT3ECSH6MVK0E2374V38H1M8MR4CDJ66MWK4E1S6MR3GCT28CV32H1Q8N23GCHG70S36C1K8MS3GCSN8RV36D9S710KGD9K6GWKEGJ28GRM4CJ56X1K6DJ18D2KGHA46D13GDA66GVK4GHJ8N13AE9J8RVK6GT184S48E1K6X336G9Q8N142CJ4692M6EA16GRKJD9N6523ADA36X13GG9G70TK6DHN68R36CT18GR4CDSJ6CW3GCT364W46CSR8RV42GJ474SMADSH851K4H9Q8GS42CHS8RV3GCSJ64V46DSN8RSM6HHN6N246D9S6934AH9P6X23JGSH652K0DJ5612KJGA26N242CH35452081918G2J2G0","timestamp":"/Date(1442821652)/","f":{"currency":"EUR","value":5,"fraction":0},"wire":{"type":"TEST","bank":"dest bank","account":42},"coin_pub":"JXWK4NS0H2W4V4BETQ90CCEDADP6QQ3MV3YZ7RV2KXEM8PWXE8Q0","H_wire":"YQED9FDYPKK2QQYB3FS19Y15ZMKBAXJP2C73CXASAF1KM6ZYY723TEJ3HBR6D864A7X5W58G92QJ0A9PFMZNB81ZP9NJAQQCCABM4RG","h_contract_terms":"1CMEEFQ5S4QJGGAMVYFV07XQRHQA311CR2MTRNC5M9KZV6ETDV1SY00WJFEV2CG9BXQTEQPZAF8A54C2HX32TZCN20VBGPFPS2Z16B0","merchant_pub":"C36TEXQXFW00170C2EJ66ZR0000CX9VPZNZG00109NX020000000","denom_pub":"51R7ARKCD5HJTTV5F4G0M818E9SP280A40G2GVH04CR30GT58S2K2HJ16H336C9N8CVK4E9N6H1MADHH61330HHM6N1K8E1H8RVKJH256D1M6E1K8RWKJGSH8S2M6DJ170TK2H266GTK8DSS64RKJDJ26D144DJ474SK0GHQ711MAD9G752M2CJ58S1KJDA570SK2E9G8N23GCJ28S146DHH610K2H1Q8CW3GGA16S146H9G68TKACSQ6914CE1H691K2E9N6RWM8H9P8CWM2H9S8GSK0H9P6D1K6H9G6X0M4C2171144HJ46N334H9J692M4H9M8MR4CCJ46GRKEGA46533CDJ38MV4CH9K892MAH1P8S2K6D9K6N246E256H244G9Q6D346GJ56S23JGHJ690KADHJ8H242H2575132CSM6X1M4G9N6RR48E9H8MVM8E9354520818CMG26C1H60R30C935452081918G2J2G0","refund_deadline":"/Date(0)/","coin_sig":"X16E0DP8C2BJNVNX09G24FFC5GA4W7RN2YXZP9WJTAN9BY6B4GMA39QNYR51XNNEZ3H1J7TP0K9G55JZ8V7WS7CZMD7E64HWYBFWM00"} diff --git a/src/exchange-lib/baseline/keys.req b/src/exchange-lib/baseline/keys.req deleted file mode 100644 index a9503a864..000000000 --- a/src/exchange-lib/baseline/keys.req +++ /dev/null @@ -1,7 +0,0 @@ -GET /keys HTTP/1.1
-User-Agent: Wget/1.16.3 (linux-gnu)
-Accept: */*
-Accept-Encoding: identity
-Host: 127.0.0.1:8081
-Connection: Keep-Alive
-
diff --git a/src/exchange-lib/baseline/refresh_link.req b/src/exchange-lib/baseline/refresh_link.req deleted file mode 100644 index acf3dff51..000000000 --- a/src/exchange-lib/baseline/refresh_link.req +++ /dev/null @@ -1,5 +0,0 @@ -GET /refresh/link?coin_pub=WQHES0X5XK43VBG1Y8FXR2YEJM04HQVMDTCS07MH691XWADG8QCG HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json - diff --git a/src/exchange-lib/baseline/refresh_melt.req b/src/exchange-lib/baseline/refresh_melt.req deleted file mode 100644 index 98b5b6389..000000000 --- a/src/exchange-lib/baseline/refresh_melt.req +++ /dev/null @@ -1,8 +0,0 @@ -POST /refresh/melt HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json -Content-Length: 34136 -Expect: 100-continue - 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diff --git a/src/exchange-lib/baseline/refresh_reveal.req b/src/exchange-lib/baseline/refresh_reveal.req deleted file mode 100644 index 3fb143960..000000000 --- a/src/exchange-lib/baseline/refresh_reveal.req +++ /dev/null @@ -1,7 +0,0 @@ -POST /refresh/reveal HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json -Content-Length: 255 - -{"session_hash":"V97SB8T670M9V71D1Q0KVQ4GSJCVQ5AAKTTH9QKT0ZJZZBFNZAV4NA8NMWRRGVPFEBEGB6ANCN9BPQASJ40TM4Y1C49648TJJ07PGSG","transfer_privs":[["EQKJA401A9NJ2YJDFZJ1EV8AYXBHWZB6NT5T0TWSJHVKVDM6W8A0"],["TKDJ4DF3GZVG0DGAB9E3RGBGSTANYB6JVVWXJGPMB2AY4VQNTBA0"]]}
\ No newline at end of file diff --git a/src/exchange-lib/baseline/reserve_status.req b/src/exchange-lib/baseline/reserve_status.req deleted file mode 100644 index 4f988f669..000000000 --- a/src/exchange-lib/baseline/reserve_status.req +++ /dev/null @@ -1,4 +0,0 @@ -GET /reserve/status?reserve_pub=TMZCK5CFM1KZQGY1WTF0CEZZPGA0670G94969RF79PA5106ARTK0 HTTP/1.1 -Host: localhost:8081 -Accept: */* - diff --git a/src/exchange-lib/baseline/reserve_withdraw.req b/src/exchange-lib/baseline/reserve_withdraw.req deleted file mode 100644 index 484950250..000000000 --- a/src/exchange-lib/baseline/reserve_withdraw.req +++ /dev/null @@ -1,7 +0,0 @@ -POST /reserve/withdraw HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json -Content-Length: 919 - -{"coin_ev":"Q5X8A8TCBFH7E5BMY7HSB17SHFTM1JPJGV61P2CA7Z9EXG8P2HYS69B31NZESKXHSZHNJ2DQN3CC2AWFNC6V90J577JD3TXBMAY8Y5M9V60KKT73Z1DW24JFSNAK91G1F2WT55ADP1EG7N5F9AY7A7ZJD03MPYSH0RDP7SVZS2KRPA5JRHFR4GDJ59CFNE7A43M95ZKQHQAS8","denom_pub":"51R7ARKCD5HJTTV5F4G0M818E9SP280A40G2GVH04CR30GT58S2K2HJ16H336C9N8CVK4E9N6H1MADHH61330HHM6N1K8E1H8RVKJH256D1M6E1K8RWKJGSH8S2M6DJ170TK2H266GTK8DSS64RKJDJ26D144DJ474SK0GHQ711MAD9G752M2CJ58S1KJDA570SK2E9G8N23GCJ28S146DHH610K2H1Q8CW3GGA16S146H9G68TKACSQ6914CE1H691K2E9N6RWM8H9P8CWM2H9S8GSK0H9P6D1K6H9G6X0M4C2171144HJ46N334H9J692M4H9M8MR4CCJ46GRKEGA46533CDJ38MV4CH9K892MAH1P8S2K6D9K6N246E256H244G9Q6D346GJ56S23JGHJ690KADHJ8H242H2575132CSM6X1M4G9N6RR48E9H8MVM8E9354520818CMG26C1H60R30C935452081918G2J2G0","reserve_pub":"TMZCK5CFM1KZQGY1WTF0CEZZPGA0670G94969RF79PA5106ARTK0","reserve_sig":"8427B3RTB217124EB1C37ZVJFC08KN17RHGHE9ENZQMQVJ0S11SAX6H8Z06SWCKT06DRQ9DQ8XD786XKQ94T27PYR9GC9EMT1Y02W10"}
\ No newline at end of file diff --git a/src/exchange-lib/baseline/wire.req b/src/exchange-lib/baseline/wire.req deleted file mode 100644 index a4f1d0749..000000000 --- a/src/exchange-lib/baseline/wire.req +++ /dev/null @@ -1,5 +0,0 @@ -GET /wire HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json - diff --git a/src/exchange-lib/baseline/wire_sepa.req b/src/exchange-lib/baseline/wire_sepa.req deleted file mode 100644 index 80d3d4619..000000000 --- a/src/exchange-lib/baseline/wire_sepa.req +++ /dev/null @@ -1,5 +0,0 @@ -GET /wire/sepa HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json - diff --git a/src/exchange-lib/baseline/wire_test.req b/src/exchange-lib/baseline/wire_test.req deleted file mode 100644 index 684352c96..000000000 --- a/src/exchange-lib/baseline/wire_test.req +++ /dev/null @@ -1,5 +0,0 @@ -GET /wire/test HTTP/1.1 -Host: localhost:8081 -Accept: */* -Content-Type: application/json - diff --git a/src/exchange-lib/curl_defaults.c b/src/exchange-lib/curl_defaults.c deleted file mode 100644 index cd0f1aeba..000000000 --- a/src/exchange-lib/curl_defaults.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/curl_defaults.c - * @brief curl easy handle defaults - * @author Florian Dold - */ - -#include "curl_defaults.h" - - -/** - * Get a curl handle with the right defaults - * for the exchange lib. In the future, we might manage a pool of connections here. - * - * @param url URL to query - */ -CURL * -TEL_curl_easy_get (const char *url) -{ - CURL *eh; - - eh = curl_easy_init (); - - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_URL, - url)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_ENCODING, - "deflate")); -#ifdef CURLOPT_TCP_FASTOPEN - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_TCP_FASTOPEN, - 1L)); -#endif - { - /* Unfortunately libcurl needs chunk to be alive until after - curl_easy_perform. To avoid manual cleanup, we keep - one static list here. */ - static struct curl_slist *chunk = NULL; - if (NULL == chunk) - { - /* With POST requests, we do not want to wait for the - "100 Continue" response, as our request bodies are usually - small and directy sending them saves us a round trip. - - Clearing the expect header like this disables libcurl's - default processing of the header. - - Disabling this header is safe for other HTTP methods, thus - we don't distinguish further before setting it. */ - chunk = curl_slist_append (chunk, "Expect:"); - } - GNUNET_assert (CURLE_OK == curl_easy_setopt (eh, CURLOPT_HTTPHEADER, chunk)); - } - - return eh; -} diff --git a/src/exchange-lib/curl_defaults.h b/src/exchange-lib/curl_defaults.h deleted file mode 100644 index 07bab8fb2..000000000 --- a/src/exchange-lib/curl_defaults.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/curl_defaults.h - * @brief curl easy handle defaults - * @author Florian Dold - */ - -#ifndef _TALER_CURL_DEFAULTS_H -#define _TALER_CURL_DEFAULTS_H - - -#include "platform.h" -#include <gnunet/gnunet_curl_lib.h> - - -/** - * Get a curl handle with the right defaults - * for the exchange lib. In the future, we might manage a pool of connections here. - * - * @param url URL to query - */ -CURL * -TEL_curl_easy_get (const char *url); - -#endif /* _TALER_CURL_DEFAULTS_H */ diff --git a/src/exchange-lib/exchange_api_common.c b/src/exchange-lib/exchange_api_common.c deleted file mode 100644 index 6b0aa6ff6..000000000 --- a/src/exchange-lib/exchange_api_common.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2015-2017 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_common.c - * @brief common functions for the exchange API - * @author Christian Grothoff - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" - - -/** - * Verify a coins transaction history as returned by the exchange. - * - * @param currency expected currency for the coin - * @param coin_pub public key of the coin - * @param history history of the coin in json encoding - * @param[out] total how much of the coin has been spent according to @a history - * @return #GNUNET_OK if @a history is valid, #GNUNET_SYSERR if not - */ -int -TALER_EXCHANGE_verify_coin_history (const char *currency, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - json_t *history, - struct TALER_Amount *total) -{ - size_t len; - int add; - struct TALER_Amount rtotal; - - if (NULL == history) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - len = json_array_size (history); - if (0 == len) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - GNUNET_assert (GNUNET_OK == - TALER_amount_get_zero (currency, - total)); - GNUNET_assert (GNUNET_OK == - TALER_amount_get_zero (currency, - &rtotal)); - for (size_t off=0;off<len;off++) - { - json_t *transaction; - struct TALER_Amount amount; - const char *type; - struct GNUNET_JSON_Specification spec_glob[] = { - TALER_JSON_spec_amount ("amount", - &amount), - GNUNET_JSON_spec_string ("type", - &type), - GNUNET_JSON_spec_end() - }; - - transaction = json_array_get (history, - off); - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - spec_glob, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - add = GNUNET_SYSERR; - if (0 == strcasecmp (type, - "DEPOSIT")) - { - struct TALER_DepositRequestPS dr; - struct TALER_CoinSpendSignatureP sig; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("coin_sig", - &sig), - GNUNET_JSON_spec_fixed_auto ("h_contract_terms", - &dr.h_contract_terms), - GNUNET_JSON_spec_fixed_auto ("h_wire", - &dr.h_wire), - GNUNET_JSON_spec_absolute_time_nbo ("timestamp", - &dr.timestamp), - GNUNET_JSON_spec_absolute_time_nbo ("refund_deadline", - &dr.refund_deadline), - TALER_JSON_spec_amount_nbo ("deposit_fee", - &dr.deposit_fee), - GNUNET_JSON_spec_fixed_auto ("merchant_pub", - &dr.merchant), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - dr.purpose.size = htonl (sizeof (dr)); - dr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_DEPOSIT); - TALER_amount_hton (&dr.amount_with_fee, - &amount); - dr.coin_pub = *coin_pub; - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_DEPOSIT, - &dr.purpose, - &sig.eddsa_signature, - &coin_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* TODO: check that deposit fee and coin value match - our expectations from /keys! */ - add = GNUNET_YES; - } - else if (0 == strcasecmp (type, - "MELT")) - { - struct TALER_RefreshMeltCoinAffirmationPS rm; - struct TALER_CoinSpendSignatureP sig; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("coin_sig", - &sig), - GNUNET_JSON_spec_fixed_auto ("rc", - &rm.rc), - TALER_JSON_spec_amount_nbo ("melt_fee", - &rm.melt_fee), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - rm.purpose.size = htonl (sizeof (rm)); - rm.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_MELT); - TALER_amount_hton (&rm.amount_with_fee, - &amount); - rm.coin_pub = *coin_pub; - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_MELT, - &rm.purpose, - &sig.eddsa_signature, - &coin_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* TODO: check that deposit fee and coin value match - our expectations from /keys! */ - add = GNUNET_YES; - } - else if (0 == strcasecmp (type, - "REFUND")) - { - struct TALER_RefundRequestPS rr; - struct TALER_MerchantSignatureP sig; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("merchant_sig", - &sig), - GNUNET_JSON_spec_fixed_auto ("h_contract_terms", - &rr.h_contract_terms), - GNUNET_JSON_spec_fixed_auto ("merchant_pub", - &rr.merchant), - GNUNET_JSON_spec_uint64 ("rtransaction_id", - &rr.rtransaction_id), - TALER_JSON_spec_amount_nbo ("refund_fee", - &rr.refund_fee), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - rr.purpose.size = htonl (sizeof (rr)); - rr.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_REFUND); - rr.coin_pub = *coin_pub; - TALER_amount_hton (&rr.refund_amount, - &amount); - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MERCHANT_REFUND, - &rr.purpose, - &sig.eddsa_sig, - &rr.merchant.eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* NOTE: theoretically, we could also check that the given - merchant_pub and h_contract_terms appear in the - history under deposits. However, there is really no benefit - for the exchange to lie here, so not checking is probably OK - (an auditor ought to check, though). Then again, we similarly - had no reason to check the merchant's signature (other than a - well-formendess check). */ - /* TODO: check that deposit fee and coin value match - our expectations from /keys! */ - add = GNUNET_NO; - } - else if (0 == strcasecmp (type, - "PAYBACK")) - { - struct TALER_PaybackConfirmationPS pc; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangeSignatureP exchange_sig; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("exchange_sig", - &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", - &exchange_pub), - GNUNET_JSON_spec_fixed_auto ("reserve_pub", - &pc.reserve_pub), - GNUNET_JSON_spec_absolute_time_nbo ("timestamp", - &pc.timestamp), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - pc.purpose.size = htonl (sizeof (pc)); - pc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK); - pc.coin_pub = *coin_pub; - TALER_amount_hton (&pc.payback_amount, - &amount); - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK, - &pc.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - add = GNUNET_YES; - } - else - { - /* signature not supported, new version on server? */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_YES == add) - { - /* This amount should be added to the total */ - if (GNUNET_OK != - TALER_amount_add (total, - total, - &amount)) - { - /* overflow in history already!? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - } - else - { - /* This amount should be subtracted from the total. - - However, for the implementation, we first *add* up all of - these negative amounts, as we might get refunds before - deposits from a semi-evil exchange. Then, at the end, we do - the subtraction by calculating "total = total - rtotal" */ - GNUNET_assert (GNUNET_NO == add); - if (GNUNET_OK != - TALER_amount_add (&rtotal, - &rtotal, - &amount)) - { - /* overflow in refund history? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - } - } - - /* Finally, subtract 'rtotal' from total to handle the subtractions */ - if (GNUNET_OK != - TALER_amount_subtract (total, - total, - &rtotal)) - { - /* underflow in history? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - return GNUNET_OK; -} - - -/** - * Obtain meta data about an exchange (online) signing - * key. - * - * @param keys from where to obtain the meta data - * @param exchange_pub public key to lookup - * @return NULL on error (@a exchange_pub not known) - */ -const struct TALER_EXCHANGE_SigningPublicKey * -TALER_EXCHANGE_get_exchange_signing_key_info (const struct TALER_EXCHANGE_Keys *keys, - const struct TALER_ExchangePublicKeyP *exchange_pub) -{ - for (unsigned int i=0;i<keys->num_sign_keys;i++) - { - const struct TALER_EXCHANGE_SigningPublicKey *spk; - - spk = &keys->sign_keys[i]; - if (0 == memcmp (exchange_pub, - &spk->key, - sizeof (struct TALER_ExchangePublicKeyP))) - return spk; - } - return NULL; -} - -/* end of exchange_api_common.c */ diff --git a/src/exchange-lib/exchange_api_deposit.c b/src/exchange-lib/exchange_api_deposit.c deleted file mode 100644 index 23066c7dc..000000000 --- a/src/exchange-lib/exchange_api_deposit.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015, 2018 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_deposit.c - * @brief Implementation of the /deposit request of the exchange's HTTP API - * @author Sree Harsha Totakura <sreeharsha@totakura.in> - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_auditor_service.h" -#include "taler_exchange_service.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A Deposit Handle - */ -struct TALER_EXCHANGE_DepositHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_DepositResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - - /** - * Information the exchange should sign in response. - */ - struct TALER_DepositConfirmationPS depconf; - - /** - * Value of the /deposit transaction, including fee. - */ - struct TALER_Amount amount_with_fee; - - /** - * Total value of the coin being transacted with. - */ - struct TALER_Amount coin_value; - -}; - - -/** - * Signature of functions called with the result from our call to the - * auditor's /deposit-confirmation handler. - * - * @param cls closure - * @param http_status HTTP status code, 200 on success - * @param ec taler protocol error status code, 0 on success - * @param json raw json response - */ -static void -acc_confirmation_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const json_t *json) -{ - /* FIXME: clean up state, some logging on errors! */ -} - - -/** - * Verify that the signature on the "200 OK" response - * from the exchange is valid. - * - * @param dh deposit handle - * @param json json reply with the signature - * @param exchange_sig[out] set to the exchange's signature - * @param exchange_pub[out] set to the exchange's public key - * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not - */ -static int -verify_deposit_signature_ok (const struct TALER_EXCHANGE_DepositHandle *dh, - const json_t *json, - struct TALER_ExchangeSignatureP *exchange_sig, - struct TALER_ExchangePublicKeyP *exchange_pub) -{ - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("sig", exchange_sig), - GNUNET_JSON_spec_fixed_auto ("pub", exchange_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - key_state = TALER_EXCHANGE_get_keys (dh->exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_DEPOSIT, - &dh->depconf.purpose, - &exchange_sig->eddsa_signature, - &exchange_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (0 /* #5447: replace with "for all auditors, if auditor selected for DC notification... */) - { - struct TALER_AUDITOR_DepositConfirmationHandle *dch; - const struct TALER_EXCHANGE_SigningPublicKey *spk; - struct TALER_Amount amount_without_fee; - - spk = TALER_EXCHANGE_get_signing_key_details (key_state, - exchange_pub); - GNUNET_assert (NULL != spk); - TALER_amount_ntoh (&amount_without_fee, - &dh->depconf.amount_without_fee); - dch = TALER_AUDITOR_deposit_confirmation (NULL /* FIXME: auditor */, - &dh->depconf.h_wire, - &dh->depconf.h_contract_terms, - GNUNET_TIME_absolute_ntoh (dh->depconf.timestamp), - GNUNET_TIME_absolute_ntoh (dh->depconf.refund_deadline), - &amount_without_fee, - &dh->depconf.coin_pub, - &dh->depconf.merchant, - exchange_pub, - exchange_sig, - &key_state->master_pub, - spk->valid_from, - spk->valid_until, - spk->valid_legal, - &spk->master_sig, - &acc_confirmation_cb, - NULL /* FIXME: context! */); - } - - - return GNUNET_OK; -} - - -/** - * Verify that the signatures on the "403 FORBIDDEN" response from the - * exchange demonstrating customer double-spending are valid. - * - * @param dh deposit handle - * @param json json reply with the signature(s) and transaction history - * @return #GNUNET_OK if the signature(s) is valid, #GNUNET_SYSERR if not - */ -static int -verify_deposit_signature_forbidden (const struct TALER_EXCHANGE_DepositHandle *dh, - const json_t *json) -{ - json_t *history; - struct TALER_Amount total; - - history = json_object_get (json, - "history"); - if (GNUNET_OK != - TALER_EXCHANGE_verify_coin_history (dh->coin_value.currency, - &dh->depconf.coin_pub, - history, - &total)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_amount_add (&total, - &total, - &dh->amount_with_fee)) - { - /* clearly not OK if our transaction would have caused - the overflow... */ - return GNUNET_OK; - } - - if (0 >= TALER_amount_cmp (&total, - &dh->coin_value)) - { - /* transaction should have still fit */ - GNUNET_break (0); - return GNUNET_SYSERR; - } - /* everything OK, proof of double-spending was provided */ - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /deposit request. - * - * @param cls the `struct TALER_EXCHANGE_DepositHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_deposit_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_DepositHandle *dh = cls; - struct TALER_ExchangeSignatureP exchange_sig; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangeSignatureP *es = NULL; - struct TALER_ExchangePublicKeyP *ep = NULL; - const json_t *j = response; - - dh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - verify_deposit_signature_ok (dh, - j, - &exchange_sig, - &exchange_pub)) - { - GNUNET_break_op (0); - response_code = 0; - } - else - { - es = &exchange_sig; - ep = &exchange_pub; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_FORBIDDEN: - /* Double spending; check signatures on transaction history */ - if (GNUNET_OK != - verify_deposit_signature_forbidden (dh, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - dh->cb (dh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - es, - ep, - j); - TALER_EXCHANGE_deposit_cancel (dh); -} - - -/** - * Verify signature information about the deposit. - * - * @param dki public key information - * @param amount the amount to be deposited - * @param h_wire hash of the merchant’s account details - * @param h_contract_terms hash of the contact of the merchant with the customer (further details are never disclosed to the exchange) - * @param coin_pub coin’s public key - * @param denom_pub denomination key with which the coin is signed - * @param denom_sig exchange’s unblinded signature of the coin - * @param timestamp timestamp when the deposit was finalized - * @param merchant_pub the public key of the merchant (used to identify the merchant for refund requests) - * @param refund_deadline date until which the merchant can issue a refund to the customer via the exchange (can be zero if refunds are not allowed) - * @param coin_sig the signature made with purpose #TALER_SIGNATURE_WALLET_COIN_DEPOSIT made by the customer with the coin’s private key. - * @return #GNUNET_OK if signatures are OK, #GNUNET_SYSERR if not - */ -static int -verify_signatures (const struct TALER_EXCHANGE_DenomPublicKey *dki, - const struct TALER_Amount *amount, - const struct GNUNET_HashCode *h_wire, - const struct GNUNET_HashCode *h_contract_terms, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - const struct TALER_DenominationSignature *denom_sig, - const struct TALER_DenominationPublicKey *denom_pub, - struct GNUNET_TIME_Absolute timestamp, - const struct TALER_MerchantPublicKeyP *merchant_pub, - struct GNUNET_TIME_Absolute refund_deadline, - const struct TALER_CoinSpendSignatureP *coin_sig) -{ - struct TALER_DepositRequestPS dr; - struct TALER_CoinPublicInfo coin_info; - - dr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_DEPOSIT); - dr.purpose.size = htonl (sizeof (struct TALER_DepositRequestPS)); - dr.h_contract_terms = *h_contract_terms; - dr.h_wire = *h_wire; - dr.timestamp = GNUNET_TIME_absolute_hton (timestamp); - dr.refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline); - TALER_amount_hton (&dr.amount_with_fee, - amount); - TALER_amount_hton (&dr.deposit_fee, - &dki->fee_deposit); - dr.merchant = *merchant_pub; - dr.coin_pub = *coin_pub; - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_DEPOSIT, - &dr.purpose, - &coin_sig->eddsa_signature, - &coin_pub->eddsa_pub)) - { - GNUNET_break_op (0); - TALER_LOG_WARNING ("Invalid coin signature on /deposit request!\n"); - { - TALER_LOG_DEBUG ("... amount_with_fee was %s\n", - TALER_amount2s (amount)); - TALER_LOG_DEBUG ("... deposit_fee was %s\n", - TALER_amount2s (&dki->fee_deposit)); - } - - return GNUNET_SYSERR; - } - - /* check coin signature */ - coin_info.coin_pub = *coin_pub; - coin_info.denom_pub = *denom_pub; - coin_info.denom_sig = *denom_sig; - if (GNUNET_YES != - TALER_test_coin_valid (&coin_info)) - { - GNUNET_break_op (0); - TALER_LOG_WARNING ("Invalid coin passed for /deposit\n"); - return GNUNET_SYSERR; - } - if (0 < TALER_amount_cmp (&dki->fee_deposit, - amount)) - { - GNUNET_break_op (0); - TALER_LOG_WARNING ("Deposit amount smaller than fee\n"); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Submit a deposit permission to the exchange and get the exchange's response. - * Note that while we return the response verbatim to the caller for - * further processing, we do already verify that the response is - * well-formed (i.e. that signatures included in the response are all - * valid). If the exchange's reply is not well-formed, we return an - * HTTP status code of zero to @a cb. - * - * We also verify that the @a coin_sig is valid for this deposit - * request, and that the @a ub_sig is a valid signature for @a - * coin_pub. Also, the @a exchange must be ready to operate (i.e. have - * finished processing the /keys reply). If either check fails, we do - * NOT initiate the transaction with the exchange and instead return NULL. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param amount the amount to be deposited - * @param wire_deadline date until which the merchant would like the exchange to settle the balance (advisory, the exchange cannot be - * forced to settle in the past or upon very short notice, but of course a well-behaved exchange will limit aggregation based on the advice received) - * @param wire_details the merchant’s account details, in a format supported by the exchange - * @param h_contract_terms hash of the contact of the merchant with the customer (further details are never disclosed to the exchange) - * @param coin_pub coin’s public key - * @param denom_pub denomination key with which the coin is signed - * @param denom_sig exchange’s unblinded signature of the coin - * @param timestamp timestamp when the contract was finalized, must not be too far in the future - * @param merchant_pub the public key of the merchant (used to identify the merchant for refund requests) - * @param refund_deadline date until which the merchant can issue a refund to the customer via the exchange (can be zero if refunds are not allowed); must not be after the @a wire_deadline - * @param coin_sig the signature made with purpose #TALER_SIGNATURE_WALLET_COIN_DEPOSIT made by the customer with the coin’s private key. - * @param cb the callback to call when a reply for this request is available - * @param cb_cls closure for the above callback - * @return a handle for this request; NULL if the inputs are invalid (i.e. - * signatures fail to verify). In this case, the callback is not called. - */ -struct TALER_EXCHANGE_DepositHandle * -TALER_EXCHANGE_deposit (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_Amount *amount, - struct GNUNET_TIME_Absolute wire_deadline, - json_t *wire_details, - const struct GNUNET_HashCode *h_contract_terms, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - const struct TALER_DenominationSignature *denom_sig, - const struct TALER_DenominationPublicKey *denom_pub, - struct GNUNET_TIME_Absolute timestamp, - const struct TALER_MerchantPublicKeyP *merchant_pub, - struct GNUNET_TIME_Absolute refund_deadline, - const struct TALER_CoinSpendSignatureP *coin_sig, - TALER_EXCHANGE_DepositResultCallback cb, - void *cb_cls) -{ - const struct TALER_EXCHANGE_Keys *key_state; - const struct TALER_EXCHANGE_DenomPublicKey *dki; - struct TALER_EXCHANGE_DepositHandle *dh; - struct GNUNET_CURL_Context *ctx; - json_t *deposit_obj; - CURL *eh; - struct GNUNET_HashCode h_wire; - struct TALER_Amount amount_without_fee; - - (void) GNUNET_TIME_round_abs (&wire_deadline); - (void) GNUNET_TIME_round_abs (&refund_deadline); - GNUNET_assert (refund_deadline.abs_value_us <= wire_deadline.abs_value_us); - GNUNET_assert (GNUNET_YES == - TEAH_handle_is_ready (exchange)); - /* initialize h_wire */ - if (GNUNET_OK != - TALER_JSON_merchant_wire_signature_hash (wire_details, - &h_wire)) - { - GNUNET_break (0); - return NULL; - } - key_state = TALER_EXCHANGE_get_keys (exchange); - dki = TALER_EXCHANGE_get_denomination_key (key_state, - denom_pub); - GNUNET_assert (NULL != dki); - GNUNET_assert (GNUNET_SYSERR != - TALER_amount_subtract (&amount_without_fee, - amount, - &dki->fee_deposit)); - if (GNUNET_OK != - verify_signatures (dki, - amount, - &h_wire, - h_contract_terms, - coin_pub, - denom_sig, - denom_pub, - timestamp, - merchant_pub, - refund_deadline, - coin_sig)) - { - GNUNET_break_op (0); - return NULL; - } - - deposit_obj = json_pack ("{s:o, s:O," /* f/wire */ - " s:o, s:o," /* H_wire, h_contract_terms */ - " s:o, s:o," /* coin_pub, denom_pub */ - " s:o, s:o," /* ub_sig, timestamp */ - " s:o," /* merchant_pub */ - " s:o, s:o," /* refund_deadline, wire_deadline */ - " s:o}", /* coin_sig */ - "contribution", TALER_JSON_from_amount (amount), - "wire", wire_details, - "H_wire", GNUNET_JSON_from_data_auto (&h_wire), - "h_contract_terms", GNUNET_JSON_from_data_auto (h_contract_terms), - "coin_pub", GNUNET_JSON_from_data_auto (coin_pub), - "denom_pub", GNUNET_JSON_from_rsa_public_key (denom_pub->rsa_public_key), - "ub_sig", GNUNET_JSON_from_rsa_signature (denom_sig->rsa_signature), - "timestamp", GNUNET_JSON_from_time_abs (timestamp), - "merchant_pub", GNUNET_JSON_from_data_auto (merchant_pub), - "refund_deadline", GNUNET_JSON_from_time_abs (refund_deadline), - "wire_transfer_deadline", GNUNET_JSON_from_time_abs (wire_deadline), - "coin_sig", GNUNET_JSON_from_data_auto (coin_sig) - ); - if (NULL == deposit_obj) - { - GNUNET_break (0); - return NULL; - } - - dh = GNUNET_new (struct TALER_EXCHANGE_DepositHandle); - dh->exchange = exchange; - dh->cb = cb; - dh->cb_cls = cb_cls; - dh->url = TEAH_path_to_url (exchange, "/deposit"); - dh->depconf.purpose.size = htonl (sizeof (struct TALER_DepositConfirmationPS)); - dh->depconf.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_DEPOSIT); - dh->depconf.h_contract_terms = *h_contract_terms; - dh->depconf.h_wire = h_wire; - dh->depconf.timestamp = GNUNET_TIME_absolute_hton (timestamp); - dh->depconf.refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline); - TALER_amount_hton (&dh->depconf.amount_without_fee, - &amount_without_fee); - dh->depconf.coin_pub = *coin_pub; - dh->depconf.merchant = *merchant_pub; - dh->amount_with_fee = *amount; - dh->coin_value = dki->value; - - eh = TEL_curl_easy_get (dh->url); - GNUNET_assert (NULL != (dh->json_enc = - json_dumps (deposit_obj, - JSON_COMPACT))); - json_decref (deposit_obj); - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "URL for deposit: `%s'\n", - dh->url); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - dh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (dh->json_enc))); - ctx = TEAH_handle_to_context (exchange); - dh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_deposit_finished, - dh); - return dh; -} - - -/** - * Cancel a deposit permission request. This function cannot be used - * on a request handle if a response is already served for it. - * - * @param deposit the deposit permission request handle - */ -void -TALER_EXCHANGE_deposit_cancel (struct TALER_EXCHANGE_DepositHandle *deposit) -{ - if (NULL != deposit->job) - { - GNUNET_CURL_job_cancel (deposit->job); - deposit->job = NULL; - } - GNUNET_free (deposit->url); - GNUNET_free (deposit->json_enc); - GNUNET_free (deposit); -} - - -/* end of exchange_api_deposit.c */ diff --git a/src/exchange-lib/exchange_api_handle.c b/src/exchange-lib/exchange_api_handle.c deleted file mode 100644 index afaabd85b..000000000 --- a/src/exchange-lib/exchange_api_handle.c +++ /dev/null @@ -1,1779 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/exchange_api_handle.c - * @brief Implementation of the "handle" component of the exchange's HTTP API - * @author Sree Harsha Totakura <sreeharsha@totakura.in> - * @author Christian Grothoff - */ -#include "platform.h" -#include <microhttpd.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_exchange_service.h" -#include "taler_auditor_service.h" -#include "taler_signatures.h" -#include "exchange_api_handle.h" -#include "curl_defaults.h" -#include "backoff.h" - -/** - * Which revision of the Taler protocol is implemented - * by this library? Used to determine compatibility. - */ -#define TALER_PROTOCOL_CURRENT 2 - -/** - * How many revisions back are we compatible to? - */ -#define TALER_PROTOCOL_AGE 0 - -/** - * Current version for (local) JSON serialization of persisted - * /keys data. - */ -#define TALER_SERIALIZATION_FORMAT_VERSION 0 - - -/** - * Log error related to CURL operations. - * - * @param type log level - * @param function which function failed to run - * @param code what was the curl error code - */ -#define CURL_STRERROR(type, function, code) \ - GNUNET_log (type, "Curl function `%s' has failed at `%s:%d' with error: %s", \ - function, __FILE__, __LINE__, curl_easy_strerror (code)); - -/** - * Stages of initialization for the `struct TALER_EXCHANGE_Handle` - */ -enum ExchangeHandleState -{ - /** - * Just allocated. - */ - MHS_INIT = 0, - - /** - * Obtained the exchange's certification data and keys. - */ - MHS_CERT = 1, - - /** - * Failed to initialize (fatal). - */ - MHS_FAILED = 2 -}; - - -/** - * Data for the request to get the /keys of a exchange. - */ -struct KeysRequest; - - -/** - * Entry in list of ongoing interactions with an auditor. - */ -struct AuditorInteractionEntry -{ - /** - * DLL entry. - */ - struct AuditorInteractionEntry *next; - - /** - * DLL entry. - */ - struct AuditorInteractionEntry *prev; - - /** - * Interaction state. - */ - struct TALER_AUDITOR_DepositConfirmationHandle *dch; -}; - - -/** - * Entry in DLL of auditors used by an exchange. - */ -struct AuditorListEntry -{ - /** - * Next pointer of DLL. - */ - struct AuditorListEntry *next; - - /** - * Prev pointer of DLL. - */ - struct AuditorListEntry *prev; - - /** - * Base URL of the auditor. - */ - const char *auditor_url; - - /** - * Handle to the auditor. - */ - struct TALER_AUDITOR_Handle *ah; - - /** - * Head of DLL of interactions with this auditor. - */ - struct AuditorInteractionEntry *ai_head; - - /** - * Tail of DLL of interactions with this auditor. - */ - struct AuditorInteractionEntry *ai_tail; - - /** - * Public key of the auditor. - */ - struct TALER_AuditorPublicKeyP auditor_pub; - - /** - * Flag indicating that the auditor is available and that protocol - * version compatibility is given. - */ - int is_up; - -}; - - -/** - * Handle to the exchange - */ -struct TALER_EXCHANGE_Handle -{ - /** - * The context of this handle - */ - struct GNUNET_CURL_Context *ctx; - - /** - * The URL of the exchange (i.e. "http://exchange.taler.net/") - */ - char *url; - - /** - * Function to call with the exchange's certification data, - * NULL if this has already been done. - */ - TALER_EXCHANGE_CertificationCallback cert_cb; - - /** - * Closure to pass to @e cert_cb. - */ - void *cert_cb_cls; - - /** - * Data for the request to get the /keys of a exchange, - * NULL once we are past stage #MHS_INIT. - */ - struct KeysRequest *kr; - - /** - * Task for retrying /keys request. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * Raw key data of the exchange, only valid if - * @e handshake_complete is past stage #MHS_CERT. - */ - json_t *key_data_raw; - - /** - * Head of DLL of auditors of this exchange. - */ - struct AuditorListEntry *auditors_head; - - /** - * Tail of DLL of auditors of this exchange. - */ - struct AuditorListEntry *auditors_tail; - - /** - * Key data of the exchange, only valid if - * @e handshake_complete is past stage #MHS_CERT. - */ - struct TALER_EXCHANGE_Keys key_data; - - /** - * Retry /keys frequency. - */ - struct GNUNET_TIME_Relative retry_delay; - - /** - * When does @e key_data expire? - */ - struct GNUNET_TIME_Absolute key_data_expiration; - - /** - * Stage of the exchange's initialization routines. - */ - enum ExchangeHandleState state; - -}; - - -/* ***************** Internal /keys fetching ************* */ - -/** - * Data for the request to get the /keys of a exchange. - */ -struct KeysRequest -{ - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this handle - */ - char *url; - - /** - * Entry for this request with the `struct GNUNET_CURL_Context`. - */ - struct GNUNET_CURL_Job *job; - - /** - * Expiration time according to "Expire:" header. - * 0 if not provided by the server. - */ - struct GNUNET_TIME_Absolute expire; - -}; - - -/** - * Iterate over all available auditors for @a h, calling - * @param ah and giving it a chance to start a deposit - * confirmation interaction. - * - * @param h exchange to go over auditors for - * @param ac function to call per auditor - * @param ac_cls closure for @a ac - */ -void -TEAH_get_auditors_for_dc (struct TALER_EXCHANGE_Handle *h, - TEAH_AuditorCallback ac, - void *ac_cls) -{ - // FIXME! -} - - -/** - * Release memory occupied by a keys request. - * Note that this does not cancel the request - * itself. - * - * @param kr request to free - */ -static void -free_keys_request (struct KeysRequest *kr) -{ - GNUNET_free (kr->url); - GNUNET_free (kr); -} - - -#define EXITIF(cond) \ - do { \ - if (cond) { GNUNET_break (0); goto EXITIF_exit; } \ - } while (0) - - -/** - * Parse a exchange's signing key encoded in JSON. - * - * @param[out] sign_key where to return the result - * @param check_sigs should we check signatures? - * @param[in] sign_key_obj json to parse - * @param master_key master key to use to verify signature - * @return #GNUNET_OK if all is fine, #GNUNET_SYSERR if the signature is - * invalid or the json malformed. - */ -static int -parse_json_signkey (struct TALER_EXCHANGE_SigningPublicKey *sign_key, - int check_sigs, - json_t *sign_key_obj, - const struct TALER_MasterPublicKeyP *master_key) -{ - struct TALER_ExchangeSigningKeyValidityPS sign_key_issue; - struct TALER_MasterSignatureP sign_key_issue_sig; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("master_sig", - &sign_key_issue_sig), - GNUNET_JSON_spec_fixed_auto ("key", - &sign_key->key), - GNUNET_JSON_spec_absolute_time ("stamp_start", - &sign_key->valid_from), - GNUNET_JSON_spec_absolute_time ("stamp_expire", - &sign_key->valid_until), - GNUNET_JSON_spec_absolute_time ("stamp_end", - &sign_key->valid_legal), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (sign_key_obj, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - if (! check_sigs) - return GNUNET_OK; - sign_key_issue.signkey_pub = sign_key->key; - sign_key_issue.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY); - sign_key_issue.purpose.size = htonl (sizeof (struct TALER_ExchangeSigningKeyValidityPS)); - sign_key_issue.master_public_key = *master_key; - sign_key_issue.start = GNUNET_TIME_absolute_hton (sign_key->valid_from); - sign_key_issue.expire = GNUNET_TIME_absolute_hton (sign_key->valid_until); - sign_key_issue.end = GNUNET_TIME_absolute_hton (sign_key->valid_legal); - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY, - &sign_key_issue.purpose, - &sign_key_issue_sig.eddsa_signature, - &master_key->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - sign_key->master_sig = sign_key_issue_sig; - return GNUNET_OK; -} - - -/** - * Parse a exchange's denomination key encoded in JSON. - * - * @param[out] denom_key where to return the result - * @param check_sigs should we check signatures? - * @param[in] denom_key_obj json to parse - * @param master_key master key to use to verify signature - * @param hash_context where to accumulate data for signature verification - * @return #GNUNET_OK if all is fine, #GNUNET_SYSERR if the signature is - * invalid or the json malformed. - */ -static int -parse_json_denomkey (struct TALER_EXCHANGE_DenomPublicKey *denom_key, - int check_sigs, - json_t *denom_key_obj, - struct TALER_MasterPublicKeyP *master_key, - struct GNUNET_HashContext *hash_context) -{ - struct TALER_DenominationKeyValidityPS denom_key_issue; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("master_sig", - &denom_key->master_sig), - GNUNET_JSON_spec_absolute_time ("stamp_expire_deposit", - &denom_key->expire_deposit), - GNUNET_JSON_spec_absolute_time ("stamp_expire_withdraw", - &denom_key->withdraw_valid_until), - GNUNET_JSON_spec_absolute_time ("stamp_start", - &denom_key->valid_from), - GNUNET_JSON_spec_absolute_time ("stamp_expire_legal", - &denom_key->expire_legal), - TALER_JSON_spec_amount ("value", - &denom_key->value), - TALER_JSON_spec_amount ("fee_withdraw", - &denom_key->fee_withdraw), - TALER_JSON_spec_amount ("fee_deposit", - &denom_key->fee_deposit), - TALER_JSON_spec_amount ("fee_refresh", - &denom_key->fee_refresh), - TALER_JSON_spec_amount ("fee_refund", - &denom_key->fee_refund), - GNUNET_JSON_spec_rsa_public_key ("denom_pub", - &denom_key->key.rsa_public_key), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (denom_key_obj, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - GNUNET_CRYPTO_rsa_public_key_hash (denom_key->key.rsa_public_key, - &denom_key->h_key); - if (! check_sigs) - return GNUNET_OK; - memset (&denom_key_issue, - 0, - sizeof (denom_key_issue)); - denom_key_issue.purpose.purpose - = htonl (TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY); - denom_key_issue.purpose.size - = htonl (sizeof (struct TALER_DenominationKeyValidityPS)); - denom_key_issue.master = *master_key; - denom_key_issue.denom_hash = denom_key->h_key; - denom_key_issue.start = GNUNET_TIME_absolute_hton (denom_key->valid_from); - denom_key_issue.expire_withdraw = GNUNET_TIME_absolute_hton (denom_key->withdraw_valid_until); - denom_key_issue.expire_deposit = GNUNET_TIME_absolute_hton (denom_key->expire_deposit); - denom_key_issue.expire_legal = GNUNET_TIME_absolute_hton (denom_key->expire_legal); - TALER_amount_hton (&denom_key_issue.value, - &denom_key->value); - TALER_amount_hton (&denom_key_issue.fee_withdraw, - &denom_key->fee_withdraw); - TALER_amount_hton (&denom_key_issue.fee_deposit, - &denom_key->fee_deposit); - TALER_amount_hton (&denom_key_issue.fee_refresh, - &denom_key->fee_refresh); - TALER_amount_hton (&denom_key_issue.fee_refund, - &denom_key->fee_refund); - EXITIF (GNUNET_SYSERR == - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY, - &denom_key_issue.purpose, - &denom_key->master_sig.eddsa_signature, - &master_key->eddsa_pub)); - GNUNET_CRYPTO_hash_context_read (hash_context, - &denom_key_issue.denom_hash, - sizeof (struct GNUNET_HashCode)); - return GNUNET_OK; - - EXITIF_exit: - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; -} - - -/** - * Parse a exchange's auditor information encoded in JSON. - * - * @param[out] auditor where to return the result - * @param check_sig should we check signatures - * @param[in] auditor_obj json to parse - * @param key_data information about denomination keys - * @return #GNUNET_OK if all is fine, #GNUNET_SYSERR if the signature is - * invalid or the json malformed. - */ -static int -parse_json_auditor (struct TALER_EXCHANGE_AuditorInformation *auditor, - int check_sigs, - json_t *auditor_obj, - const struct TALER_EXCHANGE_Keys *key_data) -{ - json_t *keys; - json_t *key; - unsigned int len; - unsigned int off; - unsigned int i; - const char *auditor_url; - struct TALER_ExchangeKeyValidityPS kv; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("auditor_pub", - &auditor->auditor_pub), - GNUNET_JSON_spec_string ("auditor_url", - &auditor_url), - GNUNET_JSON_spec_json ("denomination_keys", - &keys), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (auditor_obj, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - auditor->auditor_url = GNUNET_strdup (auditor_url); - kv.purpose.purpose = htonl (TALER_SIGNATURE_AUDITOR_EXCHANGE_KEYS); - kv.purpose.size = htonl (sizeof (struct TALER_ExchangeKeyValidityPS)); - GNUNET_CRYPTO_hash (auditor_url, - strlen (auditor_url) + 1, - &kv.auditor_url_hash); - kv.master = key_data->master_pub; - len = json_array_size (keys); - auditor->denom_keys = GNUNET_new_array (len, - struct TALER_EXCHANGE_AuditorDenominationInfo); - i = 0; - off = 0; - json_array_foreach (keys, i, key) { - struct TALER_AuditorSignatureP auditor_sig; - struct GNUNET_HashCode denom_h; - const struct TALER_EXCHANGE_DenomPublicKey *dk; - unsigned int dk_off; - struct GNUNET_JSON_Specification kspec[] = { - GNUNET_JSON_spec_fixed_auto ("auditor_sig", - &auditor_sig), - GNUNET_JSON_spec_fixed_auto ("denom_pub_h", - &denom_h), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (key, - kspec, - NULL, NULL)) - { - GNUNET_break_op (0); - continue; - } - dk = NULL; - dk_off = UINT_MAX; - for (unsigned int j=0;j<key_data->num_denom_keys;j++) - { - if (0 == memcmp (&denom_h, - &key_data->denom_keys[j].h_key, - sizeof (struct GNUNET_HashCode))) - { - dk = &key_data->denom_keys[j]; - dk_off = j; - break; - } - } - if (NULL == dk) - { - GNUNET_break_op (0); - continue; - } - if (check_sigs) - { - kv.start = GNUNET_TIME_absolute_hton (dk->valid_from); - kv.expire_withdraw = GNUNET_TIME_absolute_hton (dk->withdraw_valid_until); - kv.expire_deposit = GNUNET_TIME_absolute_hton (dk->expire_deposit); - kv.expire_legal = GNUNET_TIME_absolute_hton (dk->expire_legal); - TALER_amount_hton (&kv.value, - &dk->value); - TALER_amount_hton (&kv.fee_withdraw, - &dk->fee_withdraw); - TALER_amount_hton (&kv.fee_deposit, - &dk->fee_deposit); - TALER_amount_hton (&kv.fee_refresh, - &dk->fee_refresh); - TALER_amount_hton (&kv.fee_refund, - &dk->fee_refund); - kv.denom_hash = dk->h_key; - - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_AUDITOR_EXCHANGE_KEYS, - &kv.purpose, - &auditor_sig.eddsa_sig, - &auditor->auditor_pub.eddsa_pub)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - } - auditor->denom_keys[off].denom_key_offset = dk_off; - auditor->denom_keys[off].auditor_sig = auditor_sig; - off++; - } - auditor->num_denom_keys = off; - GNUNET_JSON_parse_free (spec); - return GNUNET_OK; -} - - -/** - * Decode the JSON in @a resp_obj from the /keys response - * and store the data in the @a key_data. - * - * @param[in] resp_obj JSON object to parse - * @param check_sig #GNUNET_YES if we should check the signature - * @param[out] key_data where to store the results we decoded - * @param[out] where to store version compatibility data - * @return #GNUNET_OK on success, #GNUNET_SYSERR on error - * (malformed JSON) - */ -static int -decode_keys_json (const json_t *resp_obj, - int check_sig, - struct TALER_EXCHANGE_Keys *key_data, - enum TALER_EXCHANGE_VersionCompatibility *vc) -{ - struct TALER_ExchangeSignatureP sig; - struct GNUNET_HashContext *hash_context; - struct TALER_ExchangePublicKeyP pub; - unsigned int age; - unsigned int revision; - unsigned int current; - struct GNUNET_JSON_Specification mspec[] = { - GNUNET_JSON_spec_fixed_auto ("eddsa_sig", - &sig), - GNUNET_JSON_spec_fixed_auto ("eddsa_pub", - &pub), - /* sig and pub must be first, as we skip those if - check_sig is false! */ - GNUNET_JSON_spec_fixed_auto ("master_public_key", - &key_data->master_pub), - GNUNET_JSON_spec_absolute_time ("list_issue_date", - &key_data->list_issue_date), - GNUNET_JSON_spec_relative_time - ("reserve_closing_delay", - &key_data->reserve_closing_delay), - GNUNET_JSON_spec_end() - }; - - if (JSON_OBJECT != json_typeof (resp_obj)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* check the version */ - { - const char *ver; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_string ("version", - &ver), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (resp_obj, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (3 != sscanf (ver, - "%u:%u:%u", - ¤t, - &revision, - &age)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - *vc = TALER_EXCHANGE_VC_MATCH; - if (TALER_PROTOCOL_CURRENT < current) - { - *vc |= TALER_EXCHANGE_VC_NEWER; - if (TALER_PROTOCOL_CURRENT < current - age) - *vc |= TALER_EXCHANGE_VC_INCOMPATIBLE; - } - if (TALER_PROTOCOL_CURRENT > current) - { - *vc |= TALER_EXCHANGE_VC_OLDER; - if (TALER_PROTOCOL_CURRENT - TALER_PROTOCOL_AGE > current) - *vc |= TALER_EXCHANGE_VC_INCOMPATIBLE; - } - key_data->version = GNUNET_strdup (ver); - } - - hash_context = NULL; - EXITIF (GNUNET_OK != - GNUNET_JSON_parse (resp_obj, - (check_sig) ? mspec : &mspec[2], - NULL, NULL)); - - /* parse the master public key and issue date of the response */ - if (check_sig) - hash_context = GNUNET_CRYPTO_hash_context_start (); - - /* parse the signing keys */ - { - json_t *sign_keys_array; - json_t *sign_key_obj; - unsigned int index; - - EXITIF (NULL == (sign_keys_array = - json_object_get (resp_obj, - "signkeys"))); - EXITIF (JSON_ARRAY != json_typeof (sign_keys_array)); - EXITIF (0 == (key_data->num_sign_keys = - json_array_size (sign_keys_array))); - key_data->sign_keys - = GNUNET_new_array (key_data->num_sign_keys, - struct TALER_EXCHANGE_SigningPublicKey); - index = 0; - json_array_foreach (sign_keys_array, index, sign_key_obj) { - EXITIF (GNUNET_SYSERR == - parse_json_signkey (&key_data->sign_keys[index], - check_sig, - sign_key_obj, - &key_data->master_pub)); - } - } - - /* parse the denomination keys, merging with the - possibly EXISTING array as required (/keys cherry picking) */ - { - json_t *denom_keys_array; - json_t *denom_key_obj; - unsigned int index; - - EXITIF (NULL == (denom_keys_array = - json_object_get (resp_obj, - "denoms"))); - EXITIF (JSON_ARRAY != json_typeof (denom_keys_array)); - - index = 0; - json_array_foreach (denom_keys_array, index, denom_key_obj) { - struct TALER_EXCHANGE_DenomPublicKey dk; - bool found = false; - - EXITIF (GNUNET_SYSERR == - parse_json_denomkey (&dk, - check_sig, - denom_key_obj, - &key_data->master_pub, - hash_context)); - for (unsigned int j=0;j<key_data->num_denom_keys;j++) - { - if (0 == memcmp (&dk, - &key_data->denom_keys[j], - sizeof (dk))) - { - found = true; - break; - } - } - if (found) - { - /* 0:0:0 did not support /keys cherry picking */ - GNUNET_break_op (0 == current); - continue; - } - if (key_data->denom_keys_size == key_data->num_denom_keys) - GNUNET_array_grow (key_data->denom_keys, - key_data->denom_keys_size, - key_data->denom_keys_size * 2 + 2); - key_data->denom_keys[key_data->num_denom_keys++] = dk; - - /* Update "last_denom_issue_date" */ - TALER_LOG_DEBUG ("Crawling DK 'valid_from': %s\n", - GNUNET_STRINGS_absolute_time_to_string (dk.valid_from)); - key_data->last_denom_issue_date - = GNUNET_TIME_absolute_max (key_data->last_denom_issue_date, - dk.valid_from); - }; - } - /* parse the auditor information */ - { - json_t *auditors_array; - json_t *auditor_info; - unsigned int index; - - EXITIF (NULL == (auditors_array = - json_object_get (resp_obj, - "auditors"))); - EXITIF (JSON_ARRAY != json_typeof (auditors_array)); - - /* Merge with the existing auditor information we have (/keys cherry picking) */ - index = 0; - json_array_foreach (auditors_array, index, auditor_info) { - struct TALER_EXCHANGE_AuditorInformation ai; - bool found = false; - - memset (&ai, - 0, - sizeof (ai)); - EXITIF (GNUNET_SYSERR == - parse_json_auditor (&ai, - check_sig, - auditor_info, - key_data)); - for (unsigned int j=0;j<key_data->num_auditors;j++) - { - struct TALER_EXCHANGE_AuditorInformation *aix = &key_data->auditors[j]; - - if (0 == memcmp (&ai.auditor_pub, - &aix->auditor_pub, - sizeof (struct TALER_AuditorPublicKeyP))) - { - found = true; - /* Merge denomination key signatures of downloaded /keys into existing - auditor information 'aix'. */ - GNUNET_array_grow (aix->denom_keys, - aix->num_denom_keys, - aix->num_denom_keys + ai.num_denom_keys); - memcpy (&aix->denom_keys[aix->num_denom_keys - ai.num_denom_keys], - ai.denom_keys, - ai.num_denom_keys * sizeof (struct TALER_EXCHANGE_AuditorDenominationInfo)); - break; - } - } - if (found) - continue; /* we are done */ - if (key_data->auditors_size == key_data->num_auditors) - GNUNET_array_grow (key_data->auditors, - key_data->auditors_size, - key_data->auditors_size * 2 + 2); - key_data->auditors[key_data->num_auditors++] = ai; - }; - } - - if (check_sig) - { - struct TALER_ExchangeKeySetPS ks; - - /* Validate signature... */ - ks.purpose.size = htonl (sizeof (ks)); - ks.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_KEY_SET); - ks.list_issue_date = GNUNET_TIME_absolute_hton (key_data->list_issue_date); - GNUNET_CRYPTO_hash_context_finish (hash_context, - &ks.hc); - hash_context = NULL; - EXITIF (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_data, - &pub)); - EXITIF (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_KEY_SET, - &ks.purpose, - &sig.eddsa_signature, - &pub.eddsa_pub)); - } - return GNUNET_OK; - EXITIF_exit: - - if (NULL != hash_context) - GNUNET_CRYPTO_hash_context_abort (hash_context); - return GNUNET_SYSERR; -} - - -/** - * Free key data object. - * - * @param key_data data to free (pointer itself excluded) - */ -static void -free_key_data (struct TALER_EXCHANGE_Keys *key_data) -{ - GNUNET_array_grow (key_data->sign_keys, - key_data->num_sign_keys, - 0); - for (unsigned int i=0;i<key_data->num_denom_keys;i++) - GNUNET_CRYPTO_rsa_public_key_free (key_data->denom_keys[i].key.rsa_public_key); - - GNUNET_array_grow (key_data->denom_keys, - key_data->denom_keys_size, - 0); - for (unsigned int i=0;i<key_data->num_auditors;i++) - { - GNUNET_array_grow (key_data->auditors[i].denom_keys, - key_data->auditors[i].num_denom_keys, - 0); - GNUNET_free (key_data->auditors[i].auditor_url); - } - GNUNET_array_grow (key_data->auditors, - key_data->auditors_size, - 0); - GNUNET_free_non_null (key_data->version); - key_data->version = NULL; -} - - -/** - * Initiate download of /keys from the exchange. - * - * @param cls exchange where to download /keys from - */ -static void -request_keys (void *cls); - - -/** - * Check if our current response for /keys is valid, and if - * not trigger download. - * - * @param exchange exchange to check keys for - * @param force_download #GNUNET_YES to force download even if /keys is still valid - * @return until when the response is current, 0 if we are re-downloading - */ -struct GNUNET_TIME_Absolute -TALER_EXCHANGE_check_keys_current (struct TALER_EXCHANGE_Handle *exchange, - int force_download) -{ - if (NULL != exchange->kr) - return GNUNET_TIME_UNIT_ZERO_ABS; - if ( (GNUNET_NO == force_download) && - (0 < GNUNET_TIME_absolute_get_remaining (exchange->key_data_expiration).rel_value_us) ) - return exchange->key_data_expiration; - if (NULL == exchange->retry_task) - exchange->retry_task = GNUNET_SCHEDULER_add_now (&request_keys, - exchange); - return GNUNET_TIME_UNIT_ZERO_ABS; -} - - -/** - * Callback used when downloading the reply to a /keys request - * is complete. - * - * @param cls the `struct KeysRequest` - * @param response_code HTTP response code, 0 on error - * @param resp_obj parsed JSON result, NULL on error - */ -static void -keys_completed_cb (void *cls, - long response_code, - const void *resp_obj) -{ - struct KeysRequest *kr = cls; - struct TALER_EXCHANGE_Handle *exchange = kr->exchange; - struct TALER_EXCHANGE_Keys kd; - struct TALER_EXCHANGE_Keys kd_old; - enum TALER_EXCHANGE_VersionCompatibility vc; - const json_t *j = resp_obj; - - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Received keys from URL `%s' with status %ld.\n", - kr->url, - response_code); - kd_old = exchange->key_data; - memset (&kd, - 0, - sizeof (struct TALER_EXCHANGE_Keys)); - vc = TALER_EXCHANGE_VC_PROTOCOL_ERROR; - switch (response_code) - { - case 0: - free_keys_request (kr); - exchange->kr = NULL; - GNUNET_assert (NULL == exchange->retry_task); - exchange->retry_delay = EXCHANGE_LIB_BACKOFF (exchange->retry_delay); - exchange->retry_task = GNUNET_SCHEDULER_add_delayed (exchange->retry_delay, - &request_keys, - exchange); - return; - case MHD_HTTP_OK: - if (NULL == j) - { - response_code = 0; - break; - } - /* We keep the denomination keys and auditor signatures from the - previous iteration (/keys cherry picking) */ - kd.num_denom_keys = kd_old.num_denom_keys; - kd.last_denom_issue_date = kd_old.last_denom_issue_date; - GNUNET_array_grow (kd.denom_keys, - kd.denom_keys_size, - kd.num_denom_keys); - - /* First make a shallow copy, we then need another pass for the RSA key... */ - memcpy (kd.denom_keys, - kd_old.denom_keys, - kd_old.num_denom_keys * sizeof (struct TALER_EXCHANGE_DenomPublicKey)); - for (unsigned int i=0;i<kd_old.num_denom_keys;i++) - kd.denom_keys[i].key.rsa_public_key - = GNUNET_CRYPTO_rsa_public_key_dup (kd_old.denom_keys[i].key.rsa_public_key); - - kd.num_auditors = kd_old.num_auditors; - kd.auditors = GNUNET_new_array (kd.num_auditors, - struct TALER_EXCHANGE_AuditorInformation); - /* Now the necessary deep copy... */ - for (unsigned int i=0;i<kd_old.num_auditors;i++) - { - const struct TALER_EXCHANGE_AuditorInformation *aold = &kd_old.auditors[i]; - struct TALER_EXCHANGE_AuditorInformation *anew = &kd.auditors[i]; - - anew->auditor_pub = aold->auditor_pub; - anew->auditor_url = GNUNET_strdup (aold->auditor_url); - GNUNET_array_grow (anew->denom_keys, - anew->num_denom_keys, - aold->num_denom_keys); - memcpy (anew->denom_keys, - aold->denom_keys, - aold->num_denom_keys * sizeof (struct TALER_EXCHANGE_AuditorDenominationInfo)); - } - - if (GNUNET_OK != - decode_keys_json (j, - GNUNET_YES, - &kd, - &vc)) - { - TALER_LOG_ERROR ("Could not decode /keys response\n"); - response_code = 0; - for (unsigned int i=0;i<kd.num_auditors;i++) - { - struct TALER_EXCHANGE_AuditorInformation *anew = &kd.auditors[i]; - - GNUNET_array_grow (anew->denom_keys, - anew->num_denom_keys, - 0); - GNUNET_free (anew->auditor_url); - } - GNUNET_free (kd.auditors); - kd.auditors = NULL; - kd.num_auditors = 0; - for (unsigned int i=0;i<kd_old.num_denom_keys;i++) - GNUNET_CRYPTO_rsa_public_key_free (kd.denom_keys[i].key.rsa_public_key); - GNUNET_array_grow (kd.denom_keys, - kd.denom_keys_size, - 0); - kd.num_denom_keys = 0; - break; - } - json_decref (exchange->key_data_raw); - exchange->key_data_raw = json_deep_copy (j); - exchange->retry_delay = GNUNET_TIME_UNIT_ZERO; - break; - default: - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - break; - } - exchange->key_data = kd; - TALER_LOG_DEBUG ("Last DK issue date update to: %s\n", - GNUNET_STRINGS_absolute_time_to_string - (exchange->key_data.last_denom_issue_date)); - - - if (MHD_HTTP_OK != response_code) - { - exchange->kr = NULL; - free_keys_request (kr); - exchange->state = MHS_FAILED; - if (NULL != exchange->key_data_raw) - { - json_decref (exchange->key_data_raw); - exchange->key_data_raw = NULL; - } - free_key_data (&kd_old); - /* notify application that we failed */ - exchange->cert_cb (exchange->cert_cb_cls, - NULL, - vc); - return; - } - - exchange->kr = NULL; - exchange->key_data_expiration = kr->expire; - free_keys_request (kr); - exchange->state = MHS_CERT; - /* notify application about the key information */ - exchange->cert_cb (exchange->cert_cb_cls, - &exchange->key_data, - vc); - free_key_data (&kd_old); -} - - -/* ********************* library internal API ********* */ - - -/** - * Get the context of a exchange. - * - * @param h the exchange handle to query - * @return ctx context to execute jobs in - */ -struct GNUNET_CURL_Context * -TEAH_handle_to_context (struct TALER_EXCHANGE_Handle *h) -{ - return h->ctx; -} - - -/** - * Check if the handle is ready to process requests. - * - * @param h the exchange handle to query - * @return #GNUNET_YES if we are ready, #GNUNET_NO if not - */ -int -TEAH_handle_is_ready (struct TALER_EXCHANGE_Handle *h) -{ - return (MHS_CERT == h->state) ? GNUNET_YES : GNUNET_NO; -} - - -/** - * Obtain the URL to use for an API request. - * - * @param h handle for the exchange - * @param path Taler API path (i.e. "/reserve/withdraw") - * @return the full URL to use with cURL - */ -char * -TEAH_path_to_url (struct TALER_EXCHANGE_Handle *h, - const char *path) -{ - return TEAH_path_to_url2 (h->url, - path); -} - - -/** - * Obtain the URL to use for an API request. - * - * @param base_url base URL of the exchange (i.e. "http://exchange/") - * @param path Taler API path (i.e. "/reserve/withdraw") - * @return the full URL to use with cURL - */ -char * -TEAH_path_to_url2 (const char *base_url, - const char *path) -{ - char *url; - - if ( ('/' == path[0]) && - (0 < strlen (base_url)) && - ('/' == base_url[strlen (base_url) - 1]) ) - path++; /* avoid generating URL with "//" from concat */ - GNUNET_asprintf (&url, - "%s%s", - base_url, - path); - return url; -} - - -/** - * Parse HTTP timestamp. - * - * @param date header to parse header - * @param at where to write the result - * @return #GNUNET_OK on success - */ -static int -parse_date_string (const char *date, - struct GNUNET_TIME_Absolute *at) -{ - struct tm now; - time_t t; - const char *end; - - memset (&now, - 0, - sizeof (now)); - end = strptime (date, - "%a, %d %b %Y %H:%M:%S %Z", /* RFC-1123 standard spec */ - &now); - if ( (NULL == end) || - ( (*end != '\n') && - (*end != '\r') ) ) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - t = mktime (&now); - if (((time_t) -1) == t) - { - GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, - "mktime"); - return GNUNET_SYSERR; - } - if (t < 0) - t = 0; /* can happen due to timezone issues if date was 1.1.1970 */ - at->abs_value_us = 1000LL * 1000LL * t; - return GNUNET_OK; -} - - -/** - * Function called for each header in the HTTP /keys response. - * Finds the "Expire:" header and parses it, storing the result - * in the "expire" field fo the keys request. - * - * @param buffer header data received - * @param size size of an item in @a buffer - * @param nitems number of items in @a buffer - * @param userdata the `struct KeysRequest` - * @return `size * nitems` on success (everything else aborts) - */ -static size_t -header_cb (char *buffer, - size_t size, - size_t nitems, - void *userdata) -{ - struct KeysRequest *kr = userdata; - size_t total = size * nitems; - char *val; - - if (total < strlen (MHD_HTTP_HEADER_EXPIRES ": ")) - return total; - if (0 != strncasecmp (MHD_HTTP_HEADER_EXPIRES ": ", - buffer, - strlen (MHD_HTTP_HEADER_EXPIRES ": "))) - return total; - val = GNUNET_strndup (&buffer[strlen (MHD_HTTP_HEADER_EXPIRES ": ")], - total - strlen (MHD_HTTP_HEADER_EXPIRES ": ")); - if (GNUNET_OK != - parse_date_string (val, - &kr->expire)) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Failed to parse %s-header `%s'\n", - MHD_HTTP_HEADER_EXPIRES, - val); - kr->expire = GNUNET_TIME_UNIT_ZERO_ABS; - } - GNUNET_free (val); - return total; -} - - -/* ********************* public API ******************* */ - - -/** - * Deserialize the key data and use it to bootstrap @a exchange to - * more efficiently recover the state. Errors in @a data must be - * tolerated (i.e. by re-downloading instead). - * - * @param exchange which exchange's key and wire data should be deserialized - * @return data the data to deserialize - */ -static void -deserialize_data (struct TALER_EXCHANGE_Handle *exchange, - const json_t *data) -{ - enum TALER_EXCHANGE_VersionCompatibility vc; - json_t *keys; - const char *url; - uint32_t version; - struct GNUNET_TIME_Absolute expire; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_uint32 ("version", - &version), - GNUNET_JSON_spec_json ("keys", - &keys), - GNUNET_JSON_spec_string ("url", - &url), - GNUNET_JSON_spec_absolute_time ("expire", - &expire), - GNUNET_JSON_spec_end() - }; - struct TALER_EXCHANGE_Keys key_data; - - if (NULL == data) - return; - if (GNUNET_OK != - GNUNET_JSON_parse (data, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return; - } - if (0 != version) - return; /* unsupported version */ - if (0 != strcmp (url, - exchange->url)) - { - GNUNET_break (0); - return; - } - memset (&key_data, - 0, - sizeof (struct TALER_EXCHANGE_Keys)); - if (GNUNET_OK != - decode_keys_json (keys, - GNUNET_NO, - &key_data, - &vc)) - { - GNUNET_break (0); - return; - } - /* decode successful, initialize with the result */ - GNUNET_assert (NULL == exchange->key_data_raw); - exchange->key_data_raw = json_deep_copy (keys); - exchange->key_data = key_data; - exchange->key_data_expiration = expire; - exchange->state = MHS_CERT; - /* notify application about the key information */ - exchange->cert_cb (exchange->cert_cb_cls, - &exchange->key_data, - vc); -} - - -/** - * Serialize the latest key data from @a exchange to be persisted on - * disk (to be used with #TALER_EXCHANGE_OPTION_DATA to more - * efficiently recover the state). - * - * @param exchange which exchange's key and wire data should be - * serialized - * @return NULL on error (i.e. no current data available); - * otherwise JSON object owned by the caller - */ -json_t * -TALER_EXCHANGE_serialize_data (struct TALER_EXCHANGE_Handle *exchange) -{ - const struct TALER_EXCHANGE_Keys *kd = &exchange->key_data; - struct GNUNET_TIME_Absolute now; - json_t *keys; - json_t *signkeys; - json_t *denoms; - json_t *auditors; - - now = GNUNET_TIME_absolute_get (); - signkeys = json_array (); - for (unsigned int i=0;i<kd->num_sign_keys;i++) - { - const struct TALER_EXCHANGE_SigningPublicKey *sk = &kd->sign_keys[i]; - json_t *signkey; - - if (now.abs_value_us > sk->valid_until.abs_value_us) - continue; /* skip keys that have expired */ - signkey = json_pack ("{s:o, s:o, s:o, s:o, s:o}", - "key", - GNUNET_JSON_from_data_auto (&sk->key), - "master_sig", - GNUNET_JSON_from_data_auto (&sk->master_sig), - "stamp_start", - GNUNET_JSON_from_time_abs (sk->valid_from), - "stamp_expire", - GNUNET_JSON_from_time_abs (sk->valid_until), - "stamp_end", - GNUNET_JSON_from_time_abs (sk->valid_legal)); - if (NULL == signkey) - { - GNUNET_break (0); - continue; - } - json_array_append_new (signkeys, - signkey); - } - denoms = json_array (); - for (unsigned int i=0;i<kd->num_denom_keys;i++) - { - const struct TALER_EXCHANGE_DenomPublicKey *dk = &kd->denom_keys[i]; - json_t *denom; - - if (now.abs_value_us > dk->expire_deposit.abs_value_us) - continue; /* skip keys that have expired */ - denom = json_pack ("{s:o, s:o, s:o, s:o, s:o " - ",s:o, s:o, s:o, s:o, s:o " - ",s:o}", - "stamp_expire_deposit", - GNUNET_JSON_from_time_abs (dk->expire_deposit), - "stamp_expire_withdraw", - GNUNET_JSON_from_time_abs (dk->withdraw_valid_until), - "stamp_start", - GNUNET_JSON_from_time_abs (dk->valid_from), - "stamp_expire_legal", - GNUNET_JSON_from_time_abs (dk->expire_legal), - "value", - TALER_JSON_from_amount (&dk->value), - "fee_withdraw", - /* #6 */ - TALER_JSON_from_amount (&dk->fee_withdraw), - "fee_deposit", - TALER_JSON_from_amount (&dk->fee_deposit), - "fee_refresh", - TALER_JSON_from_amount (&dk->fee_refresh), - "fee_refund", - TALER_JSON_from_amount (&dk->fee_refund), - "master_sig", - GNUNET_JSON_from_data_auto (&dk->master_sig), - /* #10 */ - "denom_pub", - GNUNET_JSON_from_rsa_public_key (dk->key.rsa_public_key)); - if (NULL == denom) - { - GNUNET_break (0); - continue; - } - json_array_append_new (denoms, - denom); - } - auditors = json_array (); - for (unsigned int i=0;i<kd->num_auditors;i++) - { - const struct TALER_EXCHANGE_AuditorInformation *ai = &kd->auditors[i]; - json_t *a; - json_t *adenoms; - - adenoms = json_array (); - for (unsigned int j=0;j<ai->num_denom_keys;j++) - { - const struct TALER_EXCHANGE_AuditorDenominationInfo *adi = &ai->denom_keys[j]; - const struct TALER_EXCHANGE_DenomPublicKey *dk = &kd->denom_keys[adi->denom_key_offset]; - json_t *k; - - if (now.abs_value_us > dk->expire_deposit.abs_value_us) - continue; /* skip auditor signatures for denomination keys that have expired */ - GNUNET_assert (adi->denom_key_offset < kd->num_denom_keys); - k = json_pack ("{s:o, s:o}", - "denom_pub_h", - GNUNET_JSON_from_data_auto (&dk->h_key), - "auditor_sig", - GNUNET_JSON_from_data_auto (&adi->auditor_sig)); - if (NULL == k) - { - GNUNET_break (0); - continue; - } - json_array_append_new (adenoms, - k); - } - - a = json_pack ("{s:o, s:s, s:o}", - "auditor_pub", - GNUNET_JSON_from_data_auto (&ai->auditor_pub), - "auditor_url", - ai->auditor_url, - "denomination_keys", - adenoms); - if (NULL == a) - { - GNUNET_break (0); - continue; - } - json_array_append_new (auditors, - a); - } - keys = json_pack ("{s:s, s:o, s:o, s:o, s:o" - ",s:o, s:o}", - /* 1 */ - "version", - kd->version, - "master_public_key", - GNUNET_JSON_from_data_auto (&kd->master_pub), - "reserve_closing_delay", - GNUNET_JSON_from_time_rel (kd->reserve_closing_delay), - "list_issue_date", - GNUNET_JSON_from_time_abs (kd->list_issue_date), - "signkeys", - signkeys, - /* #6 */ - "denoms", - denoms, - "auditors", - auditors); - if (NULL == keys) - { - GNUNET_break (0); - return NULL; - } - return json_pack ("{s:I, s:o, s:s, s:o}", - "version", - (json_int_t) TALER_SERIALIZATION_FORMAT_VERSION, - "expire", - GNUNET_JSON_from_time_abs (exchange->key_data_expiration), - "url", - exchange->url, - "keys", - keys); -} - - -/** - * Initialise a connection to the exchange. Will connect to the - * exchange and obtain information about the exchange's master - * public key and the exchange's auditor. - * The respective information will be passed to the @a cert_cb - * once available, and all future interactions with the exchange - * will be checked to be signed (where appropriate) by the - * respective master key. - * - * @param ctx the context - * @param url HTTP base URL for the exchange - * @param cert_cb function to call with the exchange's - * certification information - * @param cert_cb_cls closure for @a cert_cb - * @param ... list of additional arguments, - * terminated by #TALER_EXCHANGE_OPTION_END. - * @return the exchange handle; NULL upon error - */ -struct TALER_EXCHANGE_Handle * -TALER_EXCHANGE_connect - (struct GNUNET_CURL_Context *ctx, - const char *url, - TALER_EXCHANGE_CertificationCallback cert_cb, - void *cert_cb_cls, - ...) -{ - struct TALER_EXCHANGE_Handle *exchange; - va_list ap; - enum TALER_EXCHANGE_Option opt; - - exchange = GNUNET_new (struct TALER_EXCHANGE_Handle); - exchange->ctx = ctx; - exchange->url = GNUNET_strdup (url); - exchange->cert_cb = cert_cb; - exchange->cert_cb_cls = cert_cb_cls; - exchange->retry_task = GNUNET_SCHEDULER_add_now (&request_keys, - exchange); - va_start (ap, cert_cb_cls); - while (TALER_EXCHANGE_OPTION_END != - (opt = va_arg (ap, int))) - { - switch (opt) { - case TALER_EXCHANGE_OPTION_END: - GNUNET_assert (0); - break; - case TALER_EXCHANGE_OPTION_DATA: - { - const json_t *data = va_arg (ap, const json_t *); - - deserialize_data (exchange, - data); - break; - } - default: - GNUNET_assert (0); - break; - } - } - va_end (ap); - return exchange; -} - - -/** - * Initiate download of /keys from the exchange. - * - * @param cls exchange where to download /keys from - */ -static void -request_keys (void *cls) -{ - struct TALER_EXCHANGE_Handle *exchange = cls; - struct KeysRequest *kr; - CURL *eh; - - exchange->retry_task = NULL; - GNUNET_assert (NULL == exchange->kr); - kr = GNUNET_new (struct KeysRequest); - kr->exchange = exchange; - if (GNUNET_YES == - TEAH_handle_is_ready (exchange)) - { - char *arg; - - TALER_LOG_DEBUG ("Last DK issue date (before GETting /keys): %s\n", - GNUNET_STRINGS_absolute_time_to_string (exchange->key_data.last_denom_issue_date)); - GNUNET_asprintf (&arg, - "/keys?last_issue_date=%llu", - (unsigned long long) exchange->key_data.last_denom_issue_date.abs_value_us / 1000000LLU); - kr->url = TEAH_path_to_url (exchange, - arg); - GNUNET_free (arg); - } - else - { - kr->url = TEAH_path_to_url (exchange, - "/keys"); - } - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Requesting keys with URL `%s'.\n", - kr->url); - eh = TEL_curl_easy_get (kr->url); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_VERBOSE, - 0)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_TIMEOUT, - (long) 300)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_HEADERFUNCTION, - &header_cb)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_HEADERDATA, - kr)); - kr->job = GNUNET_CURL_job_add (exchange->ctx, - eh, - GNUNET_YES, - &keys_completed_cb, - kr); - exchange->kr = kr; -} - - -/** - * Disconnect from the exchange - * - * @param exchange the exchange handle - */ -void -TALER_EXCHANGE_disconnect (struct TALER_EXCHANGE_Handle *exchange) -{ - if (NULL != exchange->kr) - { - GNUNET_CURL_job_cancel (exchange->kr->job); - free_keys_request (exchange->kr); - exchange->kr = NULL; - } - free_key_data (&exchange->key_data); - if (NULL != exchange->key_data_raw) - { - json_decref (exchange->key_data_raw); - exchange->key_data_raw = NULL; - } - if (NULL != exchange->retry_task) - { - GNUNET_SCHEDULER_cancel (exchange->retry_task); - exchange->retry_task = NULL; - } - GNUNET_free (exchange->url); - GNUNET_free (exchange); -} - - -/** - * Lookup the given @a pub in @a keys. - * - * @param keys the exchange's key set - * @param pub claimed current online signing key for the exchange - * @return NULL if @a pub was not found - */ -const struct TALER_EXCHANGE_SigningPublicKey * -TALER_EXCHANGE_get_signing_key_details (const struct TALER_EXCHANGE_Keys *keys, - const struct TALER_ExchangePublicKeyP *pub) -{ - for (unsigned int i=0;i<keys->num_sign_keys;i++) - { - struct TALER_EXCHANGE_SigningPublicKey *spk = &keys->sign_keys[i]; - - if (0 == memcmp (pub, - &spk->key, - sizeof (struct TALER_ExchangePublicKeyP))) - return spk; - } - return NULL; -} - - -/** - * Test if the given @a pub is a the current signing key from the exchange - * according to @a keys. - * - * @param keys the exchange's key set - * @param pub claimed current online signing key for the exchange - * @return #GNUNET_OK if @a pub is (according to /keys) a current signing key - */ -int -TALER_EXCHANGE_test_signing_key (const struct TALER_EXCHANGE_Keys *keys, - const struct TALER_ExchangePublicKeyP *pub) -{ - struct GNUNET_TIME_Absolute now; - - /* we will check using a tolerance of 1h for the time */ - now = GNUNET_TIME_absolute_get (); - for (unsigned int i=0;i<keys->num_sign_keys;i++) - if ( (keys->sign_keys[i].valid_from.abs_value_us <= now.abs_value_us + 60 * 60 * 1000LL * 1000LL) && - (keys->sign_keys[i].valid_until.abs_value_us > now.abs_value_us - 60 * 60 * 1000LL * 1000LL) && - (0 == memcmp (pub, - &keys->sign_keys[i].key, - sizeof (struct TALER_ExchangePublicKeyP))) ) - return GNUNET_OK; - return GNUNET_SYSERR; -} - - -/** - * Get exchange's base URL. - * - * @param exchange exchange handle. - * @return the base URL from the handle. - */ -const char * -TALER_EXCHANGE_get_base_url (const struct TALER_EXCHANGE_Handle *exchange) -{ - return exchange->url; -} - - -/** - * Obtain the denomination key details from the exchange. - * - * @param keys the exchange's key set - * @param pk public key of the denomination to lookup - * @return details about the given denomination key, NULL if the key is - * not found - */ -const struct TALER_EXCHANGE_DenomPublicKey * -TALER_EXCHANGE_get_denomination_key (const struct TALER_EXCHANGE_Keys *keys, - const struct TALER_DenominationPublicKey *pk) -{ - for (unsigned int i=0;i<keys->num_denom_keys;i++) - if (0 == GNUNET_CRYPTO_rsa_public_key_cmp (pk->rsa_public_key, - keys->denom_keys[i].key.rsa_public_key)) - return &keys->denom_keys[i]; - return NULL; -} - - -/** - * Obtain the denomination key details from the exchange. - * - * @param keys the exchange's key set - * @param hc hash of the public key of the denomination to lookup - * @return details about the given denomination key - */ -const struct TALER_EXCHANGE_DenomPublicKey * -TALER_EXCHANGE_get_denomination_key_by_hash (const struct TALER_EXCHANGE_Keys *keys, - const struct GNUNET_HashCode *hc) -{ - for (unsigned int i=0;i<keys->num_denom_keys;i++) - if (0 == memcmp (hc, - &keys->denom_keys[i].h_key, - sizeof (struct GNUNET_HashCode))) - return &keys->denom_keys[i]; - return NULL; -} - - -/** - * Obtain the keys from the exchange. - * - * @param exchange the exchange handle - * @return the exchange's key set - */ -const struct TALER_EXCHANGE_Keys * -TALER_EXCHANGE_get_keys (struct TALER_EXCHANGE_Handle *exchange) -{ - (void) TALER_EXCHANGE_check_keys_current (exchange, - GNUNET_NO); - return &exchange->key_data; -} - - -/** - * Obtain the keys from the exchange in the - * raw JSON format - * - * @param exchange the exchange handle - * @return the exchange's keys in raw JSON - */ -json_t * -TALER_EXCHANGE_get_keys_raw (struct TALER_EXCHANGE_Handle *exchange) -{ - (void) TALER_EXCHANGE_check_keys_current (exchange, - GNUNET_NO); - return json_deep_copy (exchange->key_data_raw); -} - - -/* end of exchange_api_handle.c */ diff --git a/src/exchange-lib/exchange_api_handle.h b/src/exchange-lib/exchange_api_handle.h deleted file mode 100644 index f06fa4eef..000000000 --- a/src/exchange-lib/exchange_api_handle.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_handle.h - * @brief Internal interface to the handle part of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <gnunet/gnunet_curl_lib.h> -#include "taler_auditor_service.h" -#include "taler_exchange_service.h" -#include "taler_crypto_lib.h" - - -/** - * Function called for each auditor to give us a chance to possibly - * launch a deposit confirmation interaction. - * - * @param cls closure - * @param ah handle to the auditor - * @param auditor_pub public key of the auditor - * @return NULL if no deposit confirmation interaction was launched - */ -typedef struct TALER_AUDITOR_DepositConfirmationHandle * -(*TEAH_AuditorCallback)(void *cls, - struct TALER_AUDITOR_Handle *ah, - const struct TALER_AuditorPublicKeyP *auditor_pub); - - -/** - * Iterate over all available auditors for @a h, calling - * @param ah and giving it a chance to start a deposit - * confirmation interaction. - * - * @param h exchange to go over auditors for - * @param ac function to call per auditor - * @param ac_cls closure for @a ac - */ -void -TEAH_get_auditors_for_dc (struct TALER_EXCHANGE_Handle *h, - TEAH_AuditorCallback ac, - void *ac_cls); - - -/** - * Get the context of a exchange. - * - * @param h the exchange handle to query - * @return ctx context to execute jobs in - */ -struct GNUNET_CURL_Context * -TEAH_handle_to_context (struct TALER_EXCHANGE_Handle *h); - - -/** - * Check if the handle is ready to process requests. - * - * @param h the exchange handle to query - * @return #GNUNET_YES if we are ready, #GNUNET_NO if not - */ -int -TEAH_handle_is_ready (struct TALER_EXCHANGE_Handle *h); - - -/** - * Obtain the URL to use for an API request. - * - * @param h the exchange handle to query - * @param path Taler API path (i.e. "/reserve/withdraw") - * @return the full URL to use with cURL - */ -char * -TEAH_path_to_url (struct TALER_EXCHANGE_Handle *h, - const char *path); - - -/** - * Obtain the URL to use for an API request. - * - * @param base_url base URL of the exchange (i.e. "http://exchange/") - * @param path Taler API path (i.e. "/reserve/withdraw") - * @return the full URL to use with cURL - */ -char * -TEAH_path_to_url2 (const char *base_url, - const char *path); - - -/* end of exchange_api_handle.h */ diff --git a/src/exchange-lib/exchange_api_payback.c b/src/exchange-lib/exchange_api_payback.c deleted file mode 100644 index 9f8005558..000000000 --- a/src/exchange-lib/exchange_api_payback.c +++ /dev/null @@ -1,374 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2017 GNUnet e.V. and Inria - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_payback.c - * @brief Implementation of the /payback request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_exchange_service.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A Payback Handle - */ -struct TALER_EXCHANGE_PaybackHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Denomination key of the coin. - */ - const struct TALER_EXCHANGE_DenomPublicKey *pk; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_PaybackResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - - /** - * Public key of the coin we are trying to get paid back. - */ - struct TALER_CoinSpendPublicKeyP coin_pub; - -}; - - -/** - * Verify that the signature on the "200 OK" response - * from the exchange is valid. If it is, call the - * callback. - * - * @param ph payback handle - * @param json json reply with the signature - * @return #GNUNET_OK if the signature is valid and we called the callback; - * #GNUNET_SYSERR if not (callback must still be called) - */ -static int -verify_payback_signature_ok (const struct TALER_EXCHANGE_PaybackHandle *ph, - const json_t *json) -{ - struct TALER_PaybackConfirmationPS pc; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangeSignatureP exchange_sig; - struct TALER_Amount amount; - struct GNUNET_TIME_Absolute timestamp; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", &exchange_pub), - TALER_JSON_spec_amount ("amount", &amount), - GNUNET_JSON_spec_absolute_time ("timestamp", ×tamp), - GNUNET_JSON_spec_fixed_auto ("reserve_pub", &pc.reserve_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - key_state = TALER_EXCHANGE_get_keys (ph->exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - &exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - pc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK); - pc.purpose.size = htonl (sizeof (pc)); - pc.timestamp = GNUNET_TIME_absolute_hton (timestamp); - TALER_amount_hton (&pc.payback_amount, - &amount); - pc.coin_pub = ph->coin_pub; - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK, - &pc.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - ph->cb (ph->cb_cls, - MHD_HTTP_OK, - TALER_EC_NONE, - &amount, - timestamp, - &pc.reserve_pub, - json); - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /payback request. - * - * @param cls the `struct TALER_EXCHANGE_PaybackHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_payback_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_PaybackHandle *ph = cls; - const json_t *j = response; - - ph->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - verify_payback_signature_ok (ph, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - TALER_EXCHANGE_payback_cancel (ph); - return; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_FORBIDDEN: - { - /* Insufficient funds, proof attached */ - json_t *history; - struct TALER_Amount total; - const struct TALER_EXCHANGE_DenomPublicKey *dki; - - dki = ph->pk; - history = json_object_get (j, - "history"); - if (GNUNET_OK != - TALER_EXCHANGE_verify_coin_history (dki->fee_deposit.currency, - &ph->coin_pub, - history, - &total)) - { - GNUNET_break_op (0); - response_code = 0; - } - ph->cb (ph->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - &total, - GNUNET_TIME_UNIT_FOREVER_ABS, - NULL, - j); - TALER_EXCHANGE_payback_cancel (ph); - return; - } - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_GONE: - /* Kind of normal: the money was already sent to the merchant - (it was too late for the refund). */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - ph->cb (ph->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - NULL, - GNUNET_TIME_UNIT_FOREVER_ABS, - NULL, - j); - TALER_EXCHANGE_payback_cancel (ph); -} - - -/** - * Ask the exchange to pay back a coin due to the exchange triggering - * the emergency payback protocol for a given denomination. The value - * of the coin will be refunded to the original customer (without fees). - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param pk kind of coin to pay back - * @param denom_sig signature over the coin by the exchange using @a pk - * @param ps secret internals of the original planchet - * @param payback_cb the callback to call when the final result for this request is available - * @param payback_cb_cls closure for @a payback_cb - * @return NULL - * if the inputs are invalid (i.e. denomination key not with this exchange). - * In this case, the callback is not called. - */ -struct TALER_EXCHANGE_PaybackHandle * -TALER_EXCHANGE_payback (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_EXCHANGE_DenomPublicKey *pk, - const struct TALER_DenominationSignature *denom_sig, - const struct TALER_PlanchetSecretsP *ps, - TALER_EXCHANGE_PaybackResultCallback payback_cb, - void *payback_cb_cls) -{ - struct TALER_EXCHANGE_PaybackHandle *ph; - struct GNUNET_CURL_Context *ctx; - struct TALER_PaybackRequestPS pr; - struct TALER_CoinSpendSignatureP coin_sig; - json_t *payback_obj; - CURL *eh; - - GNUNET_assert (GNUNET_YES == - TEAH_handle_is_ready (exchange)); - pr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_PAYBACK); - pr.purpose.size = htonl (sizeof (struct TALER_PaybackRequestPS)); - GNUNET_CRYPTO_eddsa_key_get_public (&ps->coin_priv.eddsa_priv, - &pr.coin_pub.eddsa_pub); - pr.h_denom_pub = pk->h_key; - pr.coin_blind = ps->blinding_key; - GNUNET_assert (GNUNET_OK == - GNUNET_CRYPTO_eddsa_sign (&ps->coin_priv.eddsa_priv, - &pr.purpose, - &coin_sig.eddsa_signature)); - - payback_obj = json_pack ("{s:o, s:o," /* denom pub/sig */ - " s:o, s:o," /* coin pub/sig */ - " s:o}", /* coin_bks */ - "denom_pub", GNUNET_JSON_from_rsa_public_key (pk->key.rsa_public_key), - "denom_sig", GNUNET_JSON_from_rsa_signature (denom_sig->rsa_signature), - "coin_pub", GNUNET_JSON_from_data_auto (&pr.coin_pub), - "coin_sig", GNUNET_JSON_from_data_auto (&coin_sig), - "coin_blind_key_secret", GNUNET_JSON_from_data_auto (&ps->blinding_key) - ); - if (NULL == payback_obj) - { - GNUNET_break (0); - return NULL; - } - - ph = GNUNET_new (struct TALER_EXCHANGE_PaybackHandle); - ph->coin_pub = pr.coin_pub; - ph->exchange = exchange; - ph->pk = pk; - ph->cb = payback_cb; - ph->cb_cls = payback_cb_cls; - ph->url = TEAH_path_to_url (exchange, "/payback"); - - ph->json_enc = json_dumps (payback_obj, - JSON_COMPACT); - json_decref (payback_obj); - if (NULL == ph->json_enc) - { - GNUNET_break (0); - GNUNET_free (ph->url); - GNUNET_free (ph); - return NULL; - } - eh = TEL_curl_easy_get (ph->url); - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "URL for payback: `%s'\n", - ph->url); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - ph->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (ph->json_enc))); - ctx = TEAH_handle_to_context (exchange); - ph->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_payback_finished, - ph); - return ph; -} - - -/** - * Cancel a payback request. This function cannot be used on a - * request handle if the callback was already invoked. - * - * @param ph the payback handle - */ -void -TALER_EXCHANGE_payback_cancel (struct TALER_EXCHANGE_PaybackHandle *ph) -{ - if (NULL != ph->job) - { - GNUNET_CURL_job_cancel (ph->job); - ph->job = NULL; - } - GNUNET_free (ph->url); - GNUNET_free (ph->json_enc); - GNUNET_free (ph); -} - - -/* end of exchange_api_payback.c */ diff --git a/src/exchange-lib/exchange_api_refresh.c b/src/exchange-lib/exchange_api_refresh.c deleted file mode 100644 index 50c55835b..000000000 --- a/src/exchange-lib/exchange_api_refresh.c +++ /dev/null @@ -1,1678 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2015, 2016, 2017 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_refresh.c - * @brief Implementation of the /refresh/melt+reveal requests of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_exchange_service.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/* ********************* /refresh/ common ***************************** */ - -/* structures for committing refresh data to disk before doing the - network interaction(s) */ - -GNUNET_NETWORK_STRUCT_BEGIN - -/** - * Header of serialized information about a coin we are melting. - */ -struct MeltedCoinP -{ - /** - * Private key of the coin. - */ - struct TALER_CoinSpendPrivateKeyP coin_priv; - - /** - * Amount this coin contributes to the melt, including fee. - */ - struct TALER_AmountNBO melt_amount_with_fee; - - /** - * The applicable fee for withdrawing a coin of this denomination - */ - struct TALER_AmountNBO fee_melt; - - /** - * The original value of the coin. - */ - struct TALER_AmountNBO original_value; - - /** - * Transfer private keys for each cut-and-choose dimension. - */ - struct TALER_TransferPrivateKeyP transfer_priv[TALER_CNC_KAPPA]; - - /** - * Timestamp indicating when coins of this denomination become invalid. - */ - struct GNUNET_TIME_AbsoluteNBO expire_deposit; - - /** - * Size of the encoded public key that follows. - */ - uint16_t pbuf_size; - - /** - * Size of the encoded signature that follows. - */ - uint16_t sbuf_size; - - /* Followed by serializations of: - 1) struct TALER_DenominationPublicKey pub_key; - 2) struct TALER_DenominationSignature sig; - */ -}; - - -/** - * Header of serialized data about a melt operation, suitable for - * persisting it on disk. - */ -struct MeltDataP -{ - - /** - * Hash over the melting session. - */ - struct TALER_RefreshCommitmentP rc; - - /** - * Number of coins we are melting, in NBO - */ - uint16_t num_melted_coins GNUNET_PACKED; - - /** - * Number of coins we are creating, in NBO - */ - uint16_t num_fresh_coins GNUNET_PACKED; - - /* Followed by serializations of: - 1) struct MeltedCoinP melted_coins[num_melted_coins]; - 2) struct TALER_EXCHANGE_DenomPublicKey fresh_pks[num_fresh_coins]; - 3) TALER_CNC_KAPPA times: - 3a) struct TALER_PlanchetSecretsP fresh_coins[num_fresh_coins]; - */ -}; - - -GNUNET_NETWORK_STRUCT_END - - -/** - * Information about a coin we are melting. - */ -struct MeltedCoin -{ - /** - * Private key of the coin. - */ - struct TALER_CoinSpendPrivateKeyP coin_priv; - - /** - * Amount this coin contributes to the melt, including fee. - */ - struct TALER_Amount melt_amount_with_fee; - - /** - * The applicable fee for melting a coin of this denomination - */ - struct TALER_Amount fee_melt; - - /** - * The original value of the coin. - */ - struct TALER_Amount original_value; - - /** - * Transfer private keys for each cut-and-choose dimension. - */ - struct TALER_TransferPrivateKeyP transfer_priv[TALER_CNC_KAPPA]; - - /** - * Timestamp indicating when coins of this denomination become invalid. - */ - struct GNUNET_TIME_Absolute expire_deposit; - - /** - * Denomination key of the original coin. - */ - struct TALER_DenominationPublicKey pub_key; - - /** - * Exchange's signature over the coin. - */ - struct TALER_DenominationSignature sig; - -}; - - -/** - * Melt data in non-serialized format for convenient processing. - */ -struct MeltData -{ - - /** - * Hash over the committed data during refresh operation. - */ - struct TALER_RefreshCommitmentP rc; - - /** - * Number of coins we are creating - */ - uint16_t num_fresh_coins; - - /** - * Information about the melted coin. - */ - struct MeltedCoin melted_coin; - - /** - * Array of @e num_fresh_coins denomination keys for the coins to be - * freshly exchangeed. - */ - struct TALER_DenominationPublicKey *fresh_pks; - - /** - * Arrays of @e num_fresh_coins with information about the fresh - * coins to be created, for each cut-and-choose dimension. - */ - struct TALER_PlanchetSecretsP *fresh_coins[TALER_CNC_KAPPA]; -}; - - -/** - * Free all information associated with a melted coin session. - * - * @param mc melted coin to release, the pointer itself is NOT - * freed (as it is typically not allocated by itself) - */ -static void -free_melted_coin (struct MeltedCoin *mc) -{ - if (NULL != mc->pub_key.rsa_public_key) - GNUNET_CRYPTO_rsa_public_key_free (mc->pub_key.rsa_public_key); - if (NULL != mc->sig.rsa_signature) - GNUNET_CRYPTO_rsa_signature_free (mc->sig.rsa_signature); -} - - -/** - * Free all information associated with a melting session. Note - * that we allow the melting session to be only partially initialized, - * as we use this function also when freeing melt data that was not - * fully initialized (i.e. due to failures in #deserialize_melt_data()). - * - * @param md melting data to release, the pointer itself is NOT - * freed (as it is typically not allocated by itself) - */ -static void -free_melt_data (struct MeltData *md) -{ - free_melted_coin (&md->melted_coin); - if (NULL != md->fresh_pks) - { - for (unsigned int i=0;i<md->num_fresh_coins;i++) - if (NULL != md->fresh_pks[i].rsa_public_key) - GNUNET_CRYPTO_rsa_public_key_free (md->fresh_pks[i].rsa_public_key); - GNUNET_free (md->fresh_pks); - } - - for (unsigned int i=0;i<TALER_CNC_KAPPA;i++) - GNUNET_free (md->fresh_coins[i]); - /* Finally, clean up a bit... - (NOTE: compilers might optimize this away, so this is - not providing any strong assurances that the key material - is purged.) */ - memset (md, - 0, - sizeof (struct MeltData)); -} - - -/** - * Serialize information about a coin we are melting. - * - * @param mc information to serialize - * @param buf buffer to write data in, NULL to just compute - * required size - * @param off offeset at @a buf to use - * @return number of bytes written to @a buf at @a off, or if - * @a buf is NULL, number of bytes required; 0 on error - */ -static size_t -serialize_melted_coin (const struct MeltedCoin *mc, - char *buf, - size_t off) -{ - struct MeltedCoinP mcp; - unsigned int i; - char *pbuf; - size_t pbuf_size; - char *sbuf; - size_t sbuf_size; - - sbuf_size = GNUNET_CRYPTO_rsa_signature_encode (mc->sig.rsa_signature, - &sbuf); - pbuf_size = GNUNET_CRYPTO_rsa_public_key_encode (mc->pub_key.rsa_public_key, - &pbuf); - if (NULL == buf) - { - GNUNET_free (sbuf); - GNUNET_free (pbuf); - return sizeof (struct MeltedCoinP) + sbuf_size + pbuf_size; - } - if ( (sbuf_size > UINT16_MAX) || - (pbuf_size > UINT16_MAX) ) - { - GNUNET_break (0); - return 0; - } - mcp.coin_priv = mc->coin_priv; - TALER_amount_hton (&mcp.melt_amount_with_fee, - &mc->melt_amount_with_fee); - TALER_amount_hton (&mcp.fee_melt, - &mc->fee_melt); - TALER_amount_hton (&mcp.original_value, - &mc->original_value); - for (i=0;i<TALER_CNC_KAPPA;i++) - mcp.transfer_priv[i] = mc->transfer_priv[i]; - mcp.expire_deposit = GNUNET_TIME_absolute_hton (mc->expire_deposit); - mcp.pbuf_size = htons ((uint16_t) pbuf_size); - mcp.sbuf_size = htons ((uint16_t) sbuf_size); - memcpy (&buf[off], - &mcp, - sizeof (struct MeltedCoinP)); - memcpy (&buf[off + sizeof (struct MeltedCoinP)], - pbuf, - pbuf_size); - memcpy (&buf[off + sizeof (struct MeltedCoinP) + pbuf_size], - sbuf, - sbuf_size); - GNUNET_free (sbuf); - GNUNET_free (pbuf); - return sizeof (struct MeltedCoinP) + sbuf_size + pbuf_size; -} - - -/** - * Deserialize information about a coin we are melting. - * - * @param[out] mc information to deserialize - * @param buf buffer to read data from - * @param size number of bytes available at @a buf to use - * @param[out] ok set to #GNUNET_NO to report errors - * @return number of bytes read from @a buf, 0 on error - */ -static size_t -deserialize_melted_coin (struct MeltedCoin *mc, - const char *buf, - size_t size, - int *ok) -{ - struct MeltedCoinP mcp; - unsigned int i; - size_t pbuf_size; - size_t sbuf_size; - size_t off; - - if (size < sizeof (struct MeltedCoinP)) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - memcpy (&mcp, - buf, - sizeof (struct MeltedCoinP)); - pbuf_size = ntohs (mcp.pbuf_size); - sbuf_size = ntohs (mcp.sbuf_size); - if (size < sizeof (struct MeltedCoinP) + pbuf_size + sbuf_size) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - off = sizeof (struct MeltedCoinP); - mc->pub_key.rsa_public_key - = GNUNET_CRYPTO_rsa_public_key_decode (&buf[off], - pbuf_size); - off += pbuf_size; - mc->sig.rsa_signature - = GNUNET_CRYPTO_rsa_signature_decode (&buf[off], - sbuf_size); - off += sbuf_size; - if ( (NULL == mc->pub_key.rsa_public_key) || - (NULL == mc->sig.rsa_signature) ) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - - mc->coin_priv = mcp.coin_priv; - TALER_amount_ntoh (&mc->melt_amount_with_fee, - &mcp.melt_amount_with_fee); - TALER_amount_ntoh (&mc->fee_melt, - &mcp.fee_melt); - TALER_amount_ntoh (&mc->original_value, - &mcp.original_value); - for (i=0;i<TALER_CNC_KAPPA;i++) - mc->transfer_priv[i] = mcp.transfer_priv[i]; - mc->expire_deposit = GNUNET_TIME_absolute_ntoh (mcp.expire_deposit); - return off; -} - - -/** - * Serialize information about a denomination key. - * - * @param dk information to serialize - * @param buf buffer to write data in, NULL to just compute - * required size - * @param off offeset at @a buf to use - * @return number of bytes written to @a buf at @a off, or if - * @a buf is NULL, number of bytes required - */ -static size_t -serialize_denomination_key (const struct TALER_DenominationPublicKey *dk, - char *buf, - size_t off) -{ - char *pbuf; - size_t pbuf_size; - uint32_t be; - - pbuf_size = GNUNET_CRYPTO_rsa_public_key_encode (dk->rsa_public_key, - &pbuf); - if (NULL == buf) - { - GNUNET_free (pbuf); - return pbuf_size + sizeof (uint32_t); - } - be = htonl ((uint32_t) pbuf_size); - memcpy (&buf[off], - &be, - sizeof (uint32_t)); - memcpy (&buf[off + sizeof (uint32_t)], - pbuf, - pbuf_size); - GNUNET_free (pbuf); - return pbuf_size + sizeof (uint32_t); -} - - -/** - * Deserialize information about a denomination key. - * - * @param[out] dk information to deserialize - * @param buf buffer to read data from - * @param size number of bytes available at @a buf to use - * @param[out] ok set to #GNUNET_NO to report errors - * @return number of bytes read from @a buf, 0 on error - */ -static size_t -deserialize_denomination_key (struct TALER_DenominationPublicKey *dk, - const char *buf, - size_t size, - int *ok) -{ - size_t pbuf_size; - uint32_t be; - - if (size < sizeof (uint32_t)) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - memcpy (&be, - buf, - sizeof (uint32_t)); - pbuf_size = ntohl (be); - if (size < sizeof (uint32_t) + pbuf_size) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - dk->rsa_public_key - = GNUNET_CRYPTO_rsa_public_key_decode (&buf[sizeof (uint32_t)], - pbuf_size); - if (NULL == dk->rsa_public_key) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - return sizeof (uint32_t) + pbuf_size; -} - - -/** - * Serialize information about a fresh coin we are generating. - * - * @param fc information to serialize - * @param buf buffer to write data in, NULL to just compute - * required size - * @param off offeset at @a buf to use - * @return number of bytes written to @a buf at @a off, or if - * @a buf is NULL, number of bytes required - */ -static size_t -serialize_fresh_coin (const struct TALER_PlanchetSecretsP *fc, - char *buf, - size_t off) -{ - if (NULL != buf) - memcpy (&buf[off], - fc, - sizeof (struct TALER_PlanchetSecretsP)); - return sizeof (struct TALER_PlanchetSecretsP); -} - - -/** - * Deserialize information about a fresh coin we are generating. - * - * @param[out] fc information to deserialize - * @param buf buffer to read data from - * @param size number of bytes available at @a buf to use - * @param[out] ok set to #GNUNET_NO to report errors - * @return number of bytes read from @a buf, 0 on error - */ -static size_t -deserialize_fresh_coin (struct TALER_PlanchetSecretsP *fc, - const char *buf, - size_t size, - int *ok) -{ - if (size < sizeof (struct TALER_PlanchetSecretsP)) - { - GNUNET_break (0); - *ok = GNUNET_NO; - return 0; - } - memcpy (fc, - buf, - sizeof (struct TALER_PlanchetSecretsP)); - return sizeof (struct TALER_PlanchetSecretsP); -} - - -/** - * Serialize melt data. - * - * @param md data to serialize - * @param[out] res_size size of buffer returned - * @return serialized melt data - */ -static char * -serialize_melt_data (const struct MeltData *md, - size_t *res_size) -{ - size_t size; - size_t asize; - char *buf; - - size = 0; - asize = (size_t) -1; /* make the compiler happy */ - buf = NULL; - /* we do 2 iterations, #1 to determine total size, #2 to - actually construct the buffer */ - do { - if (0 == size) - { - size = sizeof (struct MeltDataP); - } - else - { - struct MeltDataP *mdp; - - buf = GNUNET_malloc (size); - asize = size; /* just for invariant check later */ - size = sizeof (struct MeltDataP); - mdp = (struct MeltDataP *) buf; - mdp->rc = md->rc; - mdp->num_fresh_coins = htons (md->num_fresh_coins); - } - size += serialize_melted_coin (&md->melted_coin, - buf, - size); - for (unsigned int i=0;i<md->num_fresh_coins;i++) - size += serialize_denomination_key (&md->fresh_pks[i], - buf, - size); - for (unsigned int i=0;i<TALER_CNC_KAPPA;i++) - for(unsigned int j=0;j<md->num_fresh_coins;j++) - size += serialize_fresh_coin (&md->fresh_coins[i][j], - buf, - size); - } while (NULL == buf); - GNUNET_assert (size == asize); - *res_size = size; - return buf; -} - - -/** - * Deserialize melt data. - * - * @param buf serialized data - * @param buf_size size of @a buf - * @return deserialized melt data, NULL on error - */ -static struct MeltData * -deserialize_melt_data (const char *buf, - size_t buf_size) -{ - struct MeltData *md; - struct MeltDataP mdp; - size_t off; - int ok; - - if (buf_size < sizeof (struct MeltDataP)) - return NULL; - memcpy (&mdp, - buf, - sizeof (struct MeltDataP)); - md = GNUNET_new (struct MeltData); - md->rc = mdp.rc; - md->num_fresh_coins = ntohs (mdp.num_fresh_coins); - md->fresh_pks = GNUNET_new_array (md->num_fresh_coins, - struct TALER_DenominationPublicKey); - for (unsigned int i=0;i<TALER_CNC_KAPPA;i++) - md->fresh_coins[i] = GNUNET_new_array (md->num_fresh_coins, - struct TALER_PlanchetSecretsP); - off = sizeof (struct MeltDataP); - ok = GNUNET_YES; - off += deserialize_melted_coin (&md->melted_coin, - &buf[off], - buf_size - off, - &ok); - for (unsigned int i=0;(i<md->num_fresh_coins)&&(GNUNET_YES == ok);i++) - off += deserialize_denomination_key (&md->fresh_pks[i], - &buf[off], - buf_size - off, - &ok); - - for (unsigned int i=0;i<TALER_CNC_KAPPA;i++) - for (unsigned int j=0;(j<md->num_fresh_coins)&&(GNUNET_YES == ok);j++) - off += deserialize_fresh_coin (&md->fresh_coins[i][j], - &buf[off], - buf_size - off, - &ok); - if (off != buf_size) - { - GNUNET_break (0); - ok = GNUNET_NO; - } - if (GNUNET_YES != ok) - { - free_melt_data (md); - GNUNET_free (md); - return NULL; - } - return md; -} - - -/** - * Melt (partially spent) coins to obtain fresh coins that are - * unlinkable to the original coin(s). Note that melting more - * than one coin in a single request will make those coins linkable, - * so the safest operation only melts one coin at a time. - * - * This API is typically used by a wallet. Note that to ensure that - * no money is lost in case of hardware failures, is operation does - * not actually initiate the request. Instead, it generates a buffer - * which the caller must store before proceeding with the actual call - * to #TALER_EXCHANGE_refresh_melt() that will generate the request. - * - * This function does verify that the given request data is internally - * consistent. However, the @a melts_sigs are only verified if - * @a check_sigs is set to #GNUNET_YES, as this may be relatively - * expensive and should be redundant. - * - * Aside from some non-trivial cryptographic operations that might - * take a bit of CPU time to complete, this function returns - * its result immediately and does not start any asynchronous - * processing. This function is also thread-safe. - * - * @param melt_priv private key of the coin to melt - * @param melt_amount amount specifying how much - * the coin will contribute to the melt (including fee) - * @param melt_sig signature affirming the - * validity of the public keys corresponding to the - * @a melt_priv private key - * @param melt_pk denomination key information - * record corresponding to the @a melt_sig - * validity of the keys - * @param check_sig verify the validity of the @a melt_sig signature - * @param fresh_pks_len length of the @a pks array - * @param fresh_pks array of @a pks_len denominations of fresh coins to create - * @param[out] res_size set to the size of the return value, or 0 on error - * @return NULL - * if the inputs are invalid (i.e. denomination key not with this exchange). - * Otherwise, pointer to a buffer of @a res_size to store persistently - * before proceeding to #TALER_EXCHANGE_refresh_melt(). - * Non-null results should be freed using GNUNET_free(). - */ -char * -TALER_EXCHANGE_refresh_prepare (const struct TALER_CoinSpendPrivateKeyP *melt_priv, - const struct TALER_Amount *melt_amount, - const struct TALER_DenominationSignature *melt_sig, - const struct TALER_EXCHANGE_DenomPublicKey *melt_pk, - int check_sig, - unsigned int fresh_pks_len, - const struct TALER_EXCHANGE_DenomPublicKey *fresh_pks, - size_t *res_size) -{ - struct MeltData md; - char *buf; - struct TALER_Amount total; - struct TALER_CoinSpendPublicKeyP coin_pub; - struct TALER_TransferSecretP trans_sec[TALER_CNC_KAPPA]; - struct TALER_RefreshCommitmentEntry rce[TALER_CNC_KAPPA]; - - GNUNET_CRYPTO_eddsa_key_get_public (&melt_priv->eddsa_priv, - &coin_pub.eddsa_pub); - /* build up melt data structure */ - md.num_fresh_coins = fresh_pks_len; - md.melted_coin.coin_priv = *melt_priv; - md.melted_coin.melt_amount_with_fee = *melt_amount; - md.melted_coin.fee_melt = melt_pk->fee_refresh; - md.melted_coin.original_value = melt_pk->value; - md.melted_coin.expire_deposit - = melt_pk->expire_deposit; - GNUNET_assert (GNUNET_OK == - TALER_amount_get_zero (melt_amount->currency, - &total)); - md.melted_coin.pub_key.rsa_public_key - = GNUNET_CRYPTO_rsa_public_key_dup (melt_pk->key.rsa_public_key); - md.melted_coin.sig.rsa_signature - = GNUNET_CRYPTO_rsa_signature_dup (melt_sig->rsa_signature); - md.fresh_pks = GNUNET_new_array (fresh_pks_len, - struct TALER_DenominationPublicKey); - for (unsigned int i=0;i<fresh_pks_len;i++) - { - md.fresh_pks[i].rsa_public_key - = GNUNET_CRYPTO_rsa_public_key_dup (fresh_pks[i].key.rsa_public_key); - if ( (GNUNET_OK != - TALER_amount_add (&total, - &total, - &fresh_pks[i].value)) || - (GNUNET_OK != - TALER_amount_add (&total, - &total, - &fresh_pks[i].fee_withdraw)) ) - { - GNUNET_break (0); - free_melt_data (&md); - return NULL; - } - } - /* verify that melt_amount is above total cost */ - if (1 == - TALER_amount_cmp (&total, - melt_amount) ) - { - /* Eh, this operation is more expensive than the - @a melt_amount. This is not OK. */ - GNUNET_break (0); - free_melt_data (&md); - return NULL; - } - - /* build up coins */ - for (unsigned int i=0;i<TALER_CNC_KAPPA;i++) - { - struct GNUNET_CRYPTO_EcdhePrivateKey *tpk; - - tpk = GNUNET_CRYPTO_ecdhe_key_create (); - md.melted_coin.transfer_priv[i].ecdhe_priv = *tpk; - GNUNET_free (tpk); - - GNUNET_CRYPTO_ecdhe_key_get_public (&md.melted_coin.transfer_priv[i].ecdhe_priv, - &rce[i].transfer_pub.ecdhe_pub); - TALER_link_derive_transfer_secret (melt_priv, - &md.melted_coin.transfer_priv[i], - &trans_sec[i]); - md.fresh_coins[i] = GNUNET_new_array (fresh_pks_len, - struct TALER_PlanchetSecretsP); - rce[i].new_coins = GNUNET_new_array (fresh_pks_len, - struct TALER_RefreshCoinData); - for (unsigned int j=0;j<fresh_pks_len;j++) - { - struct TALER_PlanchetSecretsP *fc = &md.fresh_coins[i][j]; - struct TALER_RefreshCoinData *rcd = &rce[i].new_coins[j]; - struct TALER_PlanchetDetail pd; - - TALER_planchet_setup_refresh (&trans_sec[i], - j, - fc); - if (GNUNET_OK != - TALER_planchet_prepare (&md.fresh_pks[j], - fc, - &pd)) - { - GNUNET_break_op (0); - free_melt_data (&md); - return NULL; - } - rcd->dk = &md.fresh_pks[j]; - rcd->coin_ev = pd.coin_ev; - rcd->coin_ev_size = pd.coin_ev_size; - } - } - - /* Compute refresh commitment */ - TALER_refresh_get_commitment (&md.rc, - TALER_CNC_KAPPA, - fresh_pks_len, - rce, - &coin_pub, - melt_amount); - /* finally, serialize everything */ - buf = serialize_melt_data (&md, - res_size); - for (unsigned int i = 0; i < TALER_CNC_KAPPA; i++) - { - for (unsigned int j = 0; j < fresh_pks_len; j++) - GNUNET_free_non_null (rce[i].new_coins[j].coin_ev); - GNUNET_free_non_null (rce[i].new_coins); - } - free_melt_data (&md); - return buf; -} - - -/* ********************* /refresh/melt ***************************** */ - - -/** - * @brief A /refresh/melt Handle - */ -struct TALER_EXCHANGE_RefreshMeltHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with refresh melt failure results. - */ - TALER_EXCHANGE_RefreshMeltCallback melt_cb; - - /** - * Closure for @e result_cb and @e melt_failure_cb. - */ - void *melt_cb_cls; - - /** - * Actual information about the melt operation. - */ - struct MeltData *md; -}; - - -/** - * Verify that the signature on the "200 OK" response - * from the exchange is valid. - * - * @param rmh melt handle - * @param json json reply with the signature - * @param[out] exchange_pub public key of the exchange used for the signature - * @param[out] noreveal_index set to the noreveal index selected by the exchange - * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not - */ -static int -verify_refresh_melt_signature_ok (struct TALER_EXCHANGE_RefreshMeltHandle *rmh, - const json_t *json, - struct TALER_ExchangePublicKeyP *exchange_pub, - uint32_t *noreveal_index) -{ - struct TALER_ExchangeSignatureP exchange_sig; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub), - GNUNET_JSON_spec_uint32 ("noreveal_index", noreveal_index), - GNUNET_JSON_spec_end() - }; - struct TALER_RefreshMeltConfirmationPS confirm; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - /* check that exchange signing key is permitted */ - key_state = TALER_EXCHANGE_get_keys (rmh->exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - /* check that noreveal index is in permitted range */ - if (TALER_CNC_KAPPA <= *noreveal_index) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - /* verify signature by exchange */ - confirm.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_MELT); - confirm.purpose.size = htonl (sizeof (struct TALER_RefreshMeltConfirmationPS)); - confirm.rc = rmh->md->rc; - confirm.noreveal_index = htonl (*noreveal_index); - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_MELT, - &confirm.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Verify that the signatures on the "403 FORBIDDEN" response from the - * exchange demonstrating customer double-spending are valid. - * - * @param rmh melt handle - * @param json json reply with the signature(s) and transaction history - * @return #GNUNET_OK if the signature(s) is valid, #GNUNET_SYSERR if not - */ -static int -verify_refresh_melt_signature_forbidden (struct TALER_EXCHANGE_RefreshMeltHandle *rmh, - const json_t *json) -{ - json_t *history; - struct TALER_Amount original_value; - struct TALER_Amount melt_value_with_fee; - struct TALER_Amount total; - struct TALER_CoinSpendPublicKeyP coin_pub; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_json ("history", &history), - GNUNET_JSON_spec_fixed_auto ("coin_pub", &coin_pub), - TALER_JSON_spec_amount ("original_value", &original_value), - TALER_JSON_spec_amount ("requested_value", &melt_value_with_fee), - GNUNET_JSON_spec_end() - }; - const struct MeltedCoin *mc; - - /* parse JSON reply */ - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - /* Find out which coin was deemed problematic by the exchange */ - mc = &rmh->md->melted_coin; - - /* check basic coin properties */ - if (0 != TALER_amount_cmp (&original_value, - &mc->original_value)) - { - /* We disagree on the value of the coin */ - GNUNET_break_op (0); - json_decref (history); - return GNUNET_SYSERR; - } - if (0 != TALER_amount_cmp (&melt_value_with_fee, - &mc->melt_amount_with_fee)) - { - /* We disagree on the value of the coin */ - GNUNET_break_op (0); - json_decref (history); - return GNUNET_SYSERR; - } - - /* verify coin history */ - history = json_object_get (json, - "history"); - if (GNUNET_OK != - TALER_EXCHANGE_verify_coin_history (original_value.currency, - &coin_pub, - history, - &total)) - { - GNUNET_break_op (0); - json_decref (history); - return GNUNET_SYSERR; - } - json_decref (history); - - /* check if melt operation was really too expensive given history */ - if (GNUNET_OK != - TALER_amount_add (&total, - &total, - &melt_value_with_fee)) - { - /* clearly not OK if our transaction would have caused - the overflow... */ - return GNUNET_OK; - } - - if (0 >= TALER_amount_cmp (&total, - &original_value)) - { - /* transaction should have still fit */ - GNUNET_break (0); - return GNUNET_SYSERR; - } - - /* everything OK, valid proof of double-spending was provided */ - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /refresh/melt request. - * - * @param cls the `struct TALER_EXCHANGE_RefreshMeltHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_refresh_melt_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_RefreshMeltHandle *rmh = cls; - uint32_t noreveal_index = TALER_CNC_KAPPA; /* invalid value */ - struct TALER_ExchangePublicKeyP exchange_pub; - const json_t *j = response; - - rmh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - verify_refresh_melt_signature_ok (rmh, - j, - &exchange_pub, - &noreveal_index)) - { - GNUNET_break_op (0); - response_code = 0; - } - if (NULL != rmh->melt_cb) - { - rmh->melt_cb (rmh->melt_cb_cls, - response_code, - TALER_JSON_get_error_code (j), - noreveal_index, - (0 == response_code) ? NULL : &exchange_pub, - j); - rmh->melt_cb = NULL; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_FORBIDDEN: - /* Double spending; check signatures on transaction history */ - if (GNUNET_OK != - verify_refresh_melt_signature_forbidden (rmh, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; assuming we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != rmh->melt_cb) - rmh->melt_cb (rmh->melt_cb_cls, - response_code, - TALER_JSON_get_error_code (j), - UINT32_MAX, - NULL, - j); - TALER_EXCHANGE_refresh_melt_cancel (rmh); -} - - -/** - * Submit a melt request to the exchange and get the exchange's - * response. - * - * This API is typically used by a wallet. Note that to ensure that - * no money is lost in case of hardware failures, the provided - * argument should have been constructed using - * #TALER_EXCHANGE_refresh_prepare and committed to persistent storage - * prior to calling this function. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param refresh_data_length size of the @a refresh_data (returned - * in the `res_size` argument from #TALER_EXCHANGE_refresh_prepare()) - * @param refresh_data the refresh data as returned from - #TALER_EXCHANGE_refresh_prepare()) - * @param melt_cb the callback to call with the result - * @param melt_cb_cls closure for @a melt_cb - * @return a handle for this request; NULL if the argument was invalid. - * In this case, neither callback will be called. - */ -struct TALER_EXCHANGE_RefreshMeltHandle * -TALER_EXCHANGE_refresh_melt (struct TALER_EXCHANGE_Handle *exchange, - size_t refresh_data_length, - const char *refresh_data, - TALER_EXCHANGE_RefreshMeltCallback melt_cb, - void *melt_cb_cls) -{ - json_t *melt_obj; - struct TALER_EXCHANGE_RefreshMeltHandle *rmh; - CURL *eh; - struct GNUNET_CURL_Context *ctx; - struct MeltData *md; - struct TALER_CoinSpendSignatureP confirm_sig; - struct TALER_RefreshMeltCoinAffirmationPS melt; - - GNUNET_assert (GNUNET_YES == - TEAH_handle_is_ready (exchange)); - md = deserialize_melt_data (refresh_data, - refresh_data_length); - if (NULL == md) - { - GNUNET_break (0); - return NULL; - } - - melt.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_MELT); - melt.purpose.size = htonl (sizeof (struct TALER_RefreshMeltCoinAffirmationPS)); - melt.rc = md->rc; - TALER_amount_hton (&melt.amount_with_fee, - &md->melted_coin.melt_amount_with_fee); - TALER_amount_hton (&melt.melt_fee, - &md->melted_coin.fee_melt); - GNUNET_CRYPTO_eddsa_key_get_public (&md->melted_coin.coin_priv.eddsa_priv, - &melt.coin_pub.eddsa_pub); - GNUNET_CRYPTO_eddsa_sign (&md->melted_coin.coin_priv.eddsa_priv, - &melt.purpose, - &confirm_sig.eddsa_signature); - melt_obj = json_pack ("{s:o, s:o, s:o, s:o, s:o, s:o}", - "coin_pub", - GNUNET_JSON_from_data_auto (&melt.coin_pub), - "denom_pub", - GNUNET_JSON_from_rsa_public_key (md->melted_coin.pub_key.rsa_public_key), - "denom_sig", - GNUNET_JSON_from_rsa_signature (md->melted_coin.sig.rsa_signature), - "confirm_sig", - GNUNET_JSON_from_data_auto (&confirm_sig), - "value_with_fee", - TALER_JSON_from_amount (&md->melted_coin.melt_amount_with_fee), - "rc", - GNUNET_JSON_from_data_auto (&melt.rc)); - if (NULL == melt_obj) - { - GNUNET_break (0); - free_melt_data (md); - return NULL; - } - - /* and now we can at last begin the actual request handling */ - rmh = GNUNET_new (struct TALER_EXCHANGE_RefreshMeltHandle); - rmh->exchange = exchange; - rmh->melt_cb = melt_cb; - rmh->melt_cb_cls = melt_cb_cls; - rmh->md = md; - rmh->url = TEAH_path_to_url (exchange, - "/refresh/melt"); - eh = TEL_curl_easy_get (rmh->url); - GNUNET_assert (NULL != (rmh->json_enc = - json_dumps (melt_obj, - JSON_COMPACT))); - json_decref (melt_obj); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - rmh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (rmh->json_enc))); - ctx = TEAH_handle_to_context (exchange); - rmh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_refresh_melt_finished, - rmh); - return rmh; -} - - -/** - * Cancel a refresh execute request. This function cannot be used - * on a request handle if either callback was already invoked. - * - * @param rmh the refresh melt handle - */ -void -TALER_EXCHANGE_refresh_melt_cancel (struct TALER_EXCHANGE_RefreshMeltHandle *rmh) -{ - if (NULL != rmh->job) - { - GNUNET_CURL_job_cancel (rmh->job); - rmh->job = NULL; - } - free_melt_data (rmh->md); /* does not free 'md' itself */ - GNUNET_free (rmh->md); - GNUNET_free (rmh->url); - GNUNET_free (rmh->json_enc); - GNUNET_free (rmh); -} - - -/* ********************* /refresh/reveal ***************************** */ - - -/** - * @brief A /refresh/reveal Handle - */ -struct TALER_EXCHANGE_RefreshRevealHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_RefreshRevealCallback reveal_cb; - - /** - * Closure for @e reveal_cb. - */ - void *reveal_cb_cls; - - /** - * Actual information about the melt operation. - */ - struct MeltData *md; - - /** - * The index selected by the exchange in cut-and-choose to not be revealed. - */ - uint16_t noreveal_index; - -}; - - -/** - * We got a 200 OK response for the /refresh/reveal operation. - * Extract the coin signatures and return them to the caller. - * The signatures we get from the exchange is for the blinded value. - * Thus, we first must unblind them and then should verify their - * validity. - * - * If everything checks out, we return the unblinded signatures - * to the application via the callback. - * - * @param rrh operation handle - * @param json reply from the exchange - * @param[out] coin_privs array of length `num_fresh_coins`, initialized to contain private keys - * @param[out] sigs array of length `num_fresh_coins`, initialized to cointain RSA signatures - * @return #GNUNET_OK on success, #GNUNET_SYSERR on errors - */ -static int -refresh_reveal_ok (struct TALER_EXCHANGE_RefreshRevealHandle *rrh, - const json_t *json, - struct TALER_CoinSpendPrivateKeyP *coin_privs, - struct TALER_DenominationSignature *sigs) -{ - json_t *jsona; - struct GNUNET_JSON_Specification outer_spec[] = { - GNUNET_JSON_spec_json ("ev_sigs", &jsona), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - outer_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (! json_is_array (jsona)) - { - /* We expected an array of coins */ - GNUNET_break_op (0); - GNUNET_JSON_parse_free (outer_spec); - return GNUNET_SYSERR; - } - if (rrh->md->num_fresh_coins != json_array_size (jsona)) - { - /* Number of coins generated does not match our expectation */ - GNUNET_break_op (0); - GNUNET_JSON_parse_free (outer_spec); - return GNUNET_SYSERR; - } - for (unsigned int i=0;i<rrh->md->num_fresh_coins;i++) - { - const struct TALER_PlanchetSecretsP *fc; - struct TALER_DenominationPublicKey *pk; - json_t *jsonai; - struct GNUNET_CRYPTO_RsaSignature *blind_sig; - struct TALER_CoinSpendPublicKeyP coin_pub; - struct GNUNET_HashCode coin_hash; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_rsa_signature ("ev_sig", &blind_sig), - GNUNET_JSON_spec_end() - }; - struct TALER_FreshCoin coin; - - fc = &rrh->md->fresh_coins[rrh->noreveal_index][i]; - pk = &rrh->md->fresh_pks[i]; - jsonai = json_array_get (jsona, i); - GNUNET_assert (NULL != jsonai); - - if (GNUNET_OK != - GNUNET_JSON_parse (jsonai, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (outer_spec); - return GNUNET_SYSERR; - } - - /* needed to verify the signature, and we didn't store it earlier, - hence recomputing it here... */ - GNUNET_CRYPTO_eddsa_key_get_public (&fc->coin_priv.eddsa_priv, - &coin_pub.eddsa_pub); - GNUNET_CRYPTO_hash (&coin_pub.eddsa_pub, - sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey), - &coin_hash); - if (GNUNET_OK != - TALER_planchet_to_coin (pk, - blind_sig, - fc, - &coin_hash, - &coin)) - { - GNUNET_break_op (0); - GNUNET_CRYPTO_rsa_signature_free (blind_sig); - GNUNET_JSON_parse_free (outer_spec); - return GNUNET_SYSERR; - } - GNUNET_CRYPTO_rsa_signature_free (blind_sig); - coin_privs[i] = coin.coin_priv; - sigs[i] = coin.sig; - } - GNUNET_JSON_parse_free (outer_spec); - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /refresh/reveal request. - * - * @param cls the `struct TALER_EXCHANGE_RefreshHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_refresh_reveal_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_RefreshRevealHandle *rrh = cls; - const json_t *j = response; - - rrh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - { - struct TALER_CoinSpendPrivateKeyP coin_privs[rrh->md->num_fresh_coins]; - struct TALER_DenominationSignature sigs[rrh->md->num_fresh_coins]; - int ret; - - memset (sigs, 0, sizeof (sigs)); - ret = refresh_reveal_ok (rrh, - j, - coin_privs, - sigs); - if (GNUNET_OK != ret) - { - response_code = 0; - } - else - { - rrh->reveal_cb (rrh->reveal_cb_cls, - MHD_HTTP_OK, - TALER_EC_NONE, - rrh->md->num_fresh_coins, - coin_privs, - sigs, - j); - rrh->reveal_cb = NULL; - } - for (unsigned int i=0;i<rrh->md->num_fresh_coins;i++) - if (NULL != sigs[i].rsa_signature) - GNUNET_CRYPTO_rsa_signature_free (sigs[i].rsa_signature); - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_CONFLICT: - /* Nothing really to verify, exchange says our reveal is inconsitent - with our commitment, so either side is buggy; we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != rrh->reveal_cb) - rrh->reveal_cb (rrh->reveal_cb_cls, - response_code, - TALER_JSON_get_error_code (j), - 0, - NULL, - NULL, - j); - TALER_EXCHANGE_refresh_reveal_cancel (rrh); -} - - -/** - * Submit a /refresh/reval request to the exchange and get the exchange's - * response. - * - * This API is typically used by a wallet. Note that to ensure that - * no money is lost in case of hardware failures, the provided - * arguments should have been committed to persistent storage - * prior to calling this function. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param refresh_data_length size of the @a refresh_data (returned - * in the `res_size` argument from #TALER_EXCHANGE_refresh_prepare()) - * @param refresh_data the refresh data as returned from - #TALER_EXCHANGE_refresh_prepare()) - * @param noreveal_index response from the exchange to the - * #TALER_EXCHANGE_refresh_melt() invocation - * @param reveal_cb the callback to call with the final result of the - * refresh operation - * @param reveal_cb_cls closure for the above callback - * @return a handle for this request; NULL if the argument was invalid. - * In this case, neither callback will be called. - */ -struct TALER_EXCHANGE_RefreshRevealHandle * -TALER_EXCHANGE_refresh_reveal (struct TALER_EXCHANGE_Handle *exchange, - size_t refresh_data_length, - const char *refresh_data, - uint32_t noreveal_index, - TALER_EXCHANGE_RefreshRevealCallback reveal_cb, - void *reveal_cb_cls) -{ - struct TALER_EXCHANGE_RefreshRevealHandle *rrh; - json_t *transfer_privs; - json_t *new_denoms_h; - json_t *coin_evs; - json_t *reveal_obj; - CURL *eh; - struct GNUNET_CURL_Context *ctx; - struct MeltData *md; - struct TALER_TransferPublicKeyP transfer_pub; - - GNUNET_assert (GNUNET_YES == - TEAH_handle_is_ready (exchange)); - md = deserialize_melt_data (refresh_data, - refresh_data_length); - if (NULL == md) - { - GNUNET_break (0); - return NULL; - } - if (noreveal_index >= TALER_CNC_KAPPA) - { - /* We check this here, as it would be really bad to below just - disclose all the transfer keys. Note that this error should - have been caught way earlier when the exchange replied, but maybe - we had some internal corruption that changed the value... */ - GNUNET_break (0); - return NULL; - } - - /* now transfer_pub */ - GNUNET_CRYPTO_ecdhe_key_get_public (&md->melted_coin.transfer_priv[noreveal_index].ecdhe_priv, - &transfer_pub.ecdhe_pub); - - /* now new_denoms */ - GNUNET_assert (NULL != (new_denoms_h = json_array ())); - GNUNET_assert (NULL != (coin_evs = json_array ())); - for (unsigned int i=0;i<md->num_fresh_coins;i++) - { - struct GNUNET_HashCode denom_hash; - struct TALER_PlanchetDetail pd; - - GNUNET_CRYPTO_rsa_public_key_hash (md->fresh_pks[i].rsa_public_key, - &denom_hash); - GNUNET_assert (0 == - json_array_append_new (new_denoms_h, - GNUNET_JSON_from_data_auto (&denom_hash))); - - if (GNUNET_OK != - TALER_planchet_prepare (&md->fresh_pks[i], - &md->fresh_coins[noreveal_index][i], - &pd)) - { - /* This should have been noticed during the preparation stage. */ - GNUNET_break (0); - json_decref (new_denoms_h); - json_decref (coin_evs); - return NULL; - } - GNUNET_assert (0 == - json_array_append_new (coin_evs, - GNUNET_JSON_from_data (pd.coin_ev, - pd.coin_ev_size))); - GNUNET_free (pd.coin_ev); - } - - /* build array of transfer private keys */ - GNUNET_assert (NULL != (transfer_privs = json_array ())); - for (unsigned int j=0;j<TALER_CNC_KAPPA;j++) - { - if (j == noreveal_index) - { - /* This is crucial: exclude the transfer key for the - noreval index! */ - continue; - } - GNUNET_assert (0 == - json_array_append_new (transfer_privs, - GNUNET_JSON_from_data_auto (&md->melted_coin.transfer_priv[j]))); - } - - /* build main JSON request */ - reveal_obj = json_pack ("{s:o, s:o, s:o, s:o, s:o}", - "rc", - GNUNET_JSON_from_data_auto (&md->rc), - "transfer_pub", - GNUNET_JSON_from_data_auto (&transfer_pub), - "transfer_privs", - transfer_privs, - "new_denoms_h", - new_denoms_h, - "coin_evs", - coin_evs); - if (NULL == reveal_obj) - { - GNUNET_break (0); - return NULL; - } - - /* finally, we can actually issue the request */ - rrh = GNUNET_new (struct TALER_EXCHANGE_RefreshRevealHandle); - rrh->exchange = exchange; - rrh->noreveal_index = noreveal_index; - rrh->reveal_cb = reveal_cb; - rrh->reveal_cb_cls = reveal_cb_cls; - rrh->md = md; - rrh->url = TEAH_path_to_url (rrh->exchange, - "/refresh/reveal"); - - eh = TEL_curl_easy_get (rrh->url); - GNUNET_assert (NULL != (rrh->json_enc = - json_dumps (reveal_obj, - JSON_COMPACT))); - json_decref (reveal_obj); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - rrh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (rrh->json_enc))); - ctx = TEAH_handle_to_context (rrh->exchange); - rrh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_refresh_reveal_finished, - rrh); - return rrh; -} - - -/** - * Cancel a refresh reveal request. This function cannot be used - * on a request handle if the callback was already invoked. - * - * @param rrh the refresh reval handle - */ -void -TALER_EXCHANGE_refresh_reveal_cancel (struct TALER_EXCHANGE_RefreshRevealHandle *rrh) -{ - if (NULL != rrh->job) - { - GNUNET_CURL_job_cancel (rrh->job); - rrh->job = NULL; - } - GNUNET_free (rrh->url); - GNUNET_free (rrh->json_enc); - free_melt_data (rrh->md); /* does not free 'md' itself */ - GNUNET_free (rrh->md); - GNUNET_free (rrh); -} - - -/* end of exchange_api_refresh.c */ diff --git a/src/exchange-lib/exchange_api_refresh_link.c b/src/exchange-lib/exchange_api_refresh_link.c deleted file mode 100644 index 796608db5..000000000 --- a/src/exchange-lib/exchange_api_refresh_link.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2015, 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_refresh_link.c - * @brief Implementation of the /refresh/link request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A /refresh/link Handle - */ -struct TALER_EXCHANGE_RefreshLinkHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_RefreshLinkCallback link_cb; - - /** - * Closure for @e cb. - */ - void *link_cb_cls; - - /** - * Private key of the coin, required to decode link information. - */ - struct TALER_CoinSpendPrivateKeyP coin_priv; - -}; - - -/** - * Parse the provided linkage data from the "200 OK" response - * for one of the coins. - * - * @param rlh refresh link handle - * @param json json reply with the data for one coin - * @param coin_num number of the coin to decode - * @param trans_pub our transfer public key - * @param[out] coin_priv where to return private coin key - * @param[out] sig where to return private coin signature - * @param[out] pub where to return the public key for the coin - * @return #GNUNET_OK on success, #GNUNET_SYSERR on error - */ -static int -parse_refresh_link_coin (const struct TALER_EXCHANGE_RefreshLinkHandle *rlh, - const json_t *json, - unsigned int coin_num, - const struct TALER_TransferPublicKeyP *trans_pub, - struct TALER_CoinSpendPrivateKeyP *coin_priv, - struct TALER_DenominationSignature *sig, - struct TALER_DenominationPublicKey *pub) -{ - struct GNUNET_CRYPTO_RsaSignature *bsig; - struct GNUNET_CRYPTO_RsaPublicKey *rpub; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_rsa_public_key ("denom_pub", &rpub), - GNUNET_JSON_spec_rsa_signature ("ev_sig", &bsig), - GNUNET_JSON_spec_end() - }; - struct TALER_TransferSecretP secret; - struct TALER_PlanchetSecretsP fc; - - /* parse reply */ - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - TALER_link_recover_transfer_secret (trans_pub, - &rlh->coin_priv, - &secret); - TALER_planchet_setup_refresh (&secret, - coin_num, - &fc); - - /* extract coin and signature */ - *coin_priv = fc.coin_priv; - sig->rsa_signature - = GNUNET_CRYPTO_rsa_unblind (bsig, - &fc.blinding_key.bks, - rpub); - /* clean up */ - pub->rsa_public_key = GNUNET_CRYPTO_rsa_public_key_dup (rpub); - GNUNET_JSON_parse_free (spec); - return GNUNET_OK; -} - - -/** - * Parse the provided linkage data from the "200 OK" response - * for one of the coins. - * - * @param[in,out] rlh refresh link handle (callback may be zero'ed out) - * @param json json reply with the data for one coin - * @return #GNUNET_OK on success, #GNUNET_SYSERR on error - */ -static int -parse_refresh_link_ok (struct TALER_EXCHANGE_RefreshLinkHandle *rlh, - const json_t *json) -{ - unsigned int session; - unsigned int num_coins; - int ret; - - if (! json_is_array (json)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - num_coins = 0; - /* Theoretically, a coin may have been melted repeatedly - into different sessions; so the response is an array - which contains information by melting session. That - array contains another array. However, our API returns - a single 1d array, so we flatten the 2d array that is - returned into a single array. Note that usually a coin - is melted at most once, and so we'll only run this - loop once for 'session=0' in most cases. - - num_coins tracks the size of the 1d array we return, - whilst 'i' and 'session' track the 2d array. */ - for (session=0;session<json_array_size (json); session++) - { - json_t *jsona; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_json ("new_coins", &jsona), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json_array_get (json, - session), - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (! json_is_array (jsona)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - - /* count all coins over all sessions */ - num_coins += json_array_size (jsona); - GNUNET_JSON_parse_free (spec); - } - /* Now that we know how big the 1d array is, allocate - and fill it. */ - { - unsigned int off_coin; /* index into 1d array */ - unsigned int i; - struct TALER_CoinSpendPrivateKeyP coin_privs[num_coins]; - struct TALER_DenominationSignature sigs[num_coins]; - struct TALER_DenominationPublicKey pubs[num_coins]; - - memset (sigs, 0, sizeof (sigs)); - memset (pubs, 0, sizeof (pubs)); - off_coin = 0; - for (session=0;session<json_array_size (json); session++) - { - json_t *jsona; - struct TALER_TransferPublicKeyP trans_pub; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_json ("new_coins", - &jsona), - GNUNET_JSON_spec_fixed_auto ("transfer_pub", - &trans_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json_array_get (json, - session), - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (! json_is_array (jsona)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - - /* decode all coins */ - for (i=0;i<json_array_size (jsona);i++) - { - GNUNET_assert (i + off_coin < num_coins); - if (GNUNET_OK != - parse_refresh_link_coin (rlh, - json_array_get (jsona, - i), - i, - &trans_pub, - &coin_privs[i+off_coin], - &sigs[i+off_coin], - &pubs[i+off_coin])) - { - GNUNET_break_op (0); - break; - } - } - /* check if we really got all, then invoke callback */ - off_coin += i; - if (i != json_array_size (jsona)) - { - GNUNET_break_op (0); - ret = GNUNET_SYSERR; - GNUNET_JSON_parse_free (spec); - break; - } - GNUNET_JSON_parse_free (spec); - } /* end of for (session) */ - - if (off_coin == num_coins) - { - rlh->link_cb (rlh->link_cb_cls, - MHD_HTTP_OK, - TALER_EC_NONE, - num_coins, - coin_privs, - sigs, - pubs, - json); - rlh->link_cb = NULL; - ret = GNUNET_OK; - } - else - { - GNUNET_break_op (0); - ret = GNUNET_SYSERR; - } - - /* clean up */ - GNUNET_assert (off_coin <= num_coins); - for (i=0;i<off_coin;i++) - { - if (NULL != sigs[i].rsa_signature) - GNUNET_CRYPTO_rsa_signature_free (sigs[i].rsa_signature); - if (NULL != pubs[i].rsa_public_key) - GNUNET_CRYPTO_rsa_public_key_free (pubs[i].rsa_public_key); - } - } - return ret; -} - - -/** - * Function called when we're done processing the - * HTTP /refresh/link request. - * - * @param cls the `struct TALER_EXCHANGE_RefreshLinkHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_refresh_link_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_RefreshLinkHandle *rlh = cls; - const json_t *j = response; - - rlh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - parse_refresh_link_ok (rlh, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, exchange says this coin was not melted; we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != rlh->link_cb) - rlh->link_cb (rlh->link_cb_cls, - response_code, - TALER_JSON_get_error_code (j), - 0, - NULL, - NULL, - NULL, - j); - TALER_EXCHANGE_refresh_link_cancel (rlh); -} - - -/** - * Submit a link request to the exchange and get the exchange's response. - * - * This API is typically not used by anyone, it is more a threat - * against those trying to receive a funds transfer by abusing the - * /refresh protocol. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param coin_priv private key to request link data for - * @param link_cb the callback to call with the useful result of the - * refresh operation the @a coin_priv was involved in (if any) - * @param link_cb_cls closure for @a link_cb - * @return a handle for this request - */ -struct TALER_EXCHANGE_RefreshLinkHandle * -TALER_EXCHANGE_refresh_link (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_CoinSpendPrivateKeyP *coin_priv, - TALER_EXCHANGE_RefreshLinkCallback link_cb, - void *link_cb_cls) -{ - struct TALER_EXCHANGE_RefreshLinkHandle *rlh; - CURL *eh; - struct GNUNET_CURL_Context *ctx; - struct TALER_CoinSpendPublicKeyP coin_pub; - char *pub_str; - char *arg_str; - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - - GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, - &coin_pub.eddsa_pub); - pub_str = GNUNET_STRINGS_data_to_string_alloc (&coin_pub, - sizeof (struct TALER_CoinSpendPublicKeyP)); - GNUNET_asprintf (&arg_str, - "/refresh/link?coin_pub=%s", - pub_str); - GNUNET_free (pub_str); - - rlh = GNUNET_new (struct TALER_EXCHANGE_RefreshLinkHandle); - rlh->exchange = exchange; - rlh->link_cb = link_cb; - rlh->link_cb_cls = link_cb_cls; - rlh->coin_priv = *coin_priv; - rlh->url = TEAH_path_to_url (exchange, arg_str); - GNUNET_free (arg_str); - - - eh = TEL_curl_easy_get (rlh->url); - ctx = TEAH_handle_to_context (exchange); - rlh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_refresh_link_finished, - rlh); - return rlh; -} - - -/** - * Cancel a refresh link request. This function cannot be used - * on a request handle if the callback was already invoked. - * - * @param rlh the refresh link handle - */ -void -TALER_EXCHANGE_refresh_link_cancel (struct TALER_EXCHANGE_RefreshLinkHandle *rlh) -{ - if (NULL != rlh->job) - { - GNUNET_CURL_job_cancel (rlh->job); - rlh->job = NULL; - } - GNUNET_free (rlh->url); - GNUNET_free (rlh); -} - - -/* end of exchange_api_refresh_link.c */ diff --git a/src/exchange-lib/exchange_api_refund.c b/src/exchange-lib/exchange_api_refund.c deleted file mode 100644 index 447e9ce08..000000000 --- a/src/exchange-lib/exchange_api_refund.c +++ /dev/null @@ -1,416 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015, 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_refund.c - * @brief Implementation of the /refund request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_exchange_service.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A Refund Handle - */ -struct TALER_EXCHANGE_RefundHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_RefundResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - - /** - * Information the exchange should sign in response. - */ - struct TALER_RefundConfirmationPS depconf; - -}; - - -/** - * Verify that the signature on the "200 OK" response - * from the exchange is valid. - * - * @param rh refund handle - * @param json json reply with the signature - * @param[out] exchange_pub set to the exchange's public key - * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not - */ -static int -verify_refund_signature_ok (const struct TALER_EXCHANGE_RefundHandle *rh, - const json_t *json, - struct TALER_ExchangePublicKeyP *exchange_pub) -{ - struct TALER_ExchangeSignatureP exchange_sig; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("pub", exchange_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - key_state = TALER_EXCHANGE_get_keys (rh->exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_REFUND, - &rh->depconf.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /refund request. - * - * @param cls the `struct TALER_EXCHANGE_RefundHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_refund_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_RefundHandle *rh = cls; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangePublicKeyP *ep = NULL; - const json_t *j = response; - - rh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - verify_refund_signature_ok (rh, - j, - &exchange_pub)) - { - GNUNET_break_op (0); - response_code = 0; - } - else - { - ep = &exchange_pub; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_GONE: - /* Kind of normal: the money was already sent to the merchant - (it was too late for the refund). */ - break; - case MHD_HTTP_PRECONDITION_FAILED: - /* Client request was inconsistent; might be a currency missmatch - problem. */ - break; - case MHD_HTTP_CONFLICT: - /* Two refund requests were made about the same deposit, but - carrying different refund transaction ids. */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - rh->cb (rh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - ep, - j); - TALER_EXCHANGE_refund_cancel (rh); -} - - -/** - * Submit a refund request to the exchange and get the exchange's - * response. This API is used by a merchant. Note that - * while we return the response verbatim to the caller for further - * processing, we do already verify that the response is well-formed - * (i.e. that signatures included in the response are all valid). If - * the exchange's reply is not well-formed, we return an HTTP status code - * of zero to @a cb. - * - * The @a exchange must be ready to operate (i.e. have - * finished processing the /keys reply). If this check fails, we do - * NOT initiate the transaction with the exchange and instead return NULL. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param amount the amount to be refunded; must be larger than the refund fee - * (as that fee is still being subtracted), and smaller than the amount - * (with deposit fee) of the original deposit contribution of this coin - * @param refund_fee fee applicable to this coin for the refund - * @param h_contract_terms hash of the contact of the merchant with the customer that is being refunded - * @param coin_pub coin’s public key of the coin from the original deposit operation - * @param rtransaction_id transaction id for the transaction between merchant and customer (of refunding operation); - * this is needed as we may first do a partial refund and later a full refund. If both - * refunds are also over the same amount, we need the @a rtransaction_id to make the disjoint - * refund requests different (as requests are idempotent and otherwise the 2nd refund might not work). - * @param merchant_priv the private key of the merchant, used to generate signature for refund request - * @param cb the callback to call when a reply for this request is available - * @param cb_cls closure for the above callback - * @return a handle for this request; NULL if the inputs are invalid (i.e. - * signatures fail to verify). In this case, the callback is not called. - */ -struct TALER_EXCHANGE_RefundHandle * -TALER_EXCHANGE_refund (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_Amount *amount, - const struct TALER_Amount *refund_fee, - const struct GNUNET_HashCode *h_contract_terms, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - uint64_t rtransaction_id, - const struct TALER_MerchantPrivateKeyP *merchant_priv, - TALER_EXCHANGE_RefundResultCallback cb, - void *cb_cls) -{ - struct TALER_RefundRequestPS rr; - struct TALER_MerchantSignatureP merchant_sig; - - GNUNET_assert (GNUNET_YES == - TEAH_handle_is_ready (exchange)); - rr.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_REFUND); - rr.purpose.size = htonl (sizeof (struct TALER_RefundRequestPS)); - rr.h_contract_terms = *h_contract_terms; - rr.coin_pub = *coin_pub; - GNUNET_CRYPTO_eddsa_key_get_public (&merchant_priv->eddsa_priv, - &rr.merchant.eddsa_pub); - rr.rtransaction_id = GNUNET_htonll (rtransaction_id); - TALER_amount_hton (&rr.refund_amount, - amount); - TALER_amount_hton (&rr.refund_fee, - refund_fee); - GNUNET_assert (GNUNET_OK == - GNUNET_CRYPTO_eddsa_sign (&merchant_priv->eddsa_priv, - &rr.purpose, - &merchant_sig.eddsa_sig)); - return TALER_EXCHANGE_refund2 (exchange, - amount, - refund_fee, - h_contract_terms, - coin_pub, - rtransaction_id, - &rr.merchant, - &merchant_sig, - cb, - cb_cls); -} - - -/** - * Submit a refund request to the exchange and get the exchange's - * response. This API is used by a merchant. Note that - * while we return the response verbatim to the caller for further - * processing, we do already verify that the response is well-formed - * (i.e. that signatures included in the response are all valid). If - * the exchange's reply is not well-formed, we return an HTTP status code - * of zero to @a cb. - * - * The @a exchange must be ready to operate (i.e. have - * finished processing the /keys reply). If this check fails, we do - * NOT initiate the transaction with the exchange and instead return NULL. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param amount the amount to be refunded; must be larger than the refund fee - * (as that fee is still being subtracted), and smaller than the amount - * (with deposit fee) of the original deposit contribution of this coin - * @param refund_fee fee applicable to this coin for the refund - * @param h_contract_terms hash of the contact of the merchant with the customer that is being refunded - * @param coin_pub coin’s public key of the coin from the original deposit operation - * @param rtransaction_id transaction id for the transaction between merchant and customer (of refunding operation); - * this is needed as we may first do a partial refund and later a full refund. If both - * refunds are also over the same amount, we need the @a rtransaction_id to make the disjoint - * refund requests different (as requests are idempotent and otherwise the 2nd refund might not work). - * @param merchant_pub public key of the merchant - * @param merchant_sig signature affirming the refund from the merchant - * @param cb the callback to call when a reply for this request is available - * @param cb_cls closure for the above callback - * @return a handle for this request; NULL if the inputs are invalid (i.e. - * signatures fail to verify). In this case, the callback is not called. - */ -struct TALER_EXCHANGE_RefundHandle * -TALER_EXCHANGE_refund2 (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_Amount *amount, - const struct TALER_Amount *refund_fee, - const struct GNUNET_HashCode *h_contract_terms, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - uint64_t rtransaction_id, - const struct TALER_MerchantPublicKeyP *merchant_pub, - const struct TALER_MerchantSignatureP *merchant_sig, - TALER_EXCHANGE_RefundResultCallback cb, - void *cb_cls) -{ - struct TALER_EXCHANGE_RefundHandle *rh; - struct GNUNET_CURL_Context *ctx; - json_t *refund_obj; - CURL *eh; - -refund_obj = json_pack ("{s:o, s:o," /* amount/fee */ - " s:o, s:o," /* h_contract_terms, coin_pub */ - " s:I," /* rtransaction id */ - " s:o, s:o}", /* merchant_pub, merchant_sig */ - "refund_amount", TALER_JSON_from_amount (amount), - "refund_fee", TALER_JSON_from_amount (refund_fee), - "h_contract_terms", GNUNET_JSON_from_data_auto (h_contract_terms), - "coin_pub", GNUNET_JSON_from_data_auto (coin_pub), - "rtransaction_id", (json_int_t) rtransaction_id, - "merchant_pub", GNUNET_JSON_from_data_auto (merchant_pub), - "merchant_sig", GNUNET_JSON_from_data_auto (merchant_sig) - ); - if (NULL == refund_obj) - { - GNUNET_break (0); - return NULL; - } - - rh = GNUNET_new (struct TALER_EXCHANGE_RefundHandle); - rh->exchange = exchange; - rh->cb = cb; - rh->cb_cls = cb_cls; - rh->url = TEAH_path_to_url (exchange, "/refund"); - rh->depconf.purpose.size = htonl (sizeof (struct TALER_RefundConfirmationPS)); - rh->depconf.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_REFUND); - rh->depconf.h_contract_terms = *h_contract_terms; - rh->depconf.coin_pub = *coin_pub; - rh->depconf.merchant = *merchant_pub; - rh->depconf.rtransaction_id = GNUNET_htonll (rtransaction_id); - TALER_amount_hton (&rh->depconf.refund_amount, - amount); - TALER_amount_hton (&rh->depconf.refund_fee, - refund_fee); - - eh = TEL_curl_easy_get (rh->url); - GNUNET_assert (NULL != (rh->json_enc = - json_dumps (refund_obj, - JSON_COMPACT))); - json_decref (refund_obj); - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "URL for refund: `%s'\n", - rh->url); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - rh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (rh->json_enc))); - ctx = TEAH_handle_to_context (exchange); - rh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_refund_finished, - rh); - return rh; -} - - -/** - * Cancel a refund permission request. This function cannot be used - * on a request handle if a response is already served for it. - * - * @param refund the refund permission request handle - */ -void -TALER_EXCHANGE_refund_cancel (struct TALER_EXCHANGE_RefundHandle *refund) -{ - if (NULL != refund->job) - { - GNUNET_CURL_job_cancel (refund->job); - refund->job = NULL; - } - GNUNET_free (refund->url); - GNUNET_free (refund->json_enc); - GNUNET_free (refund); -} - - -/* end of exchange_api_refund.c */ diff --git a/src/exchange-lib/exchange_api_reserve.c b/src/exchange-lib/exchange_api_reserve.c deleted file mode 100644 index aa153f210..000000000 --- a/src/exchange-lib/exchange_api_reserve.c +++ /dev/null @@ -1,1203 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_reserve.c - * @brief Implementation of the /reserve requests of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/* ********************** /reserve/status ********************** */ - -/** - * @brief A Withdraw Status Handle - */ -struct TALER_EXCHANGE_ReserveStatusHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_ReserveStatusResultCallback cb; - - /** - * Public key of the reserve we are querying. - */ - struct TALER_ReservePublicKeyP reserve_pub; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * Parse history given in JSON format and return it in binary - * format. - * - * @param exchange connection to the exchange we can use - * @param history JSON array with the history - * @param reserve_pub public key of the reserve to inspect - * @param currency currency we expect the balance to be in - * @param[out] balance final balance - * @param history_length number of entries in @a history - * @param[out] rhistory array of length @a history_length, set to the - * parsed history entries - * @return #GNUNET_OK if history was valid and @a rhistory and @a balance - * were set, - * #GNUNET_SYSERR if there was a protocol violation in @a history - */ -static int -parse_reserve_history (struct TALER_EXCHANGE_Handle *exchange, - const json_t *history, - const struct TALER_ReservePublicKeyP *reserve_pub, - const char *currency, - struct TALER_Amount *balance, - unsigned int history_length, - struct TALER_EXCHANGE_ReserveHistory *rhistory) -{ - struct GNUNET_HashCode uuid[history_length]; - unsigned int uuid_off; - struct TALER_Amount total_in; - struct TALER_Amount total_out; - size_t off; - - GNUNET_assert (GNUNET_OK == - TALER_amount_get_zero (currency, - &total_in)); - GNUNET_assert (GNUNET_OK == - TALER_amount_get_zero (currency, - &total_out)); - uuid_off = 0; - for (off=0;off<history_length;off++) - { - json_t *transaction; - struct TALER_Amount amount; - const char *type; - struct GNUNET_JSON_Specification hist_spec[] = { - GNUNET_JSON_spec_string ("type", &type), - TALER_JSON_spec_amount ("amount", - &amount), - /* 'wire' and 'signature' are optional depending on 'type'! */ - GNUNET_JSON_spec_end() - }; - - transaction = json_array_get (history, - off); - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - hist_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - rhistory[off].amount = amount; - - if (0 == strcasecmp (type, - "DEPOSIT")) - { - const char *wire_url; - void *wire_reference; - size_t wire_reference_size; - struct GNUNET_TIME_Absolute timestamp; - - struct GNUNET_JSON_Specification withdraw_spec[] = { - GNUNET_JSON_spec_varsize ("wire_reference", - &wire_reference, - &wire_reference_size), - GNUNET_JSON_spec_absolute_time ("timestamp", - ×tamp), - GNUNET_JSON_spec_string ("sender_account_url", - &wire_url), - GNUNET_JSON_spec_end() - }; - - rhistory[off].type = TALER_EXCHANGE_RTT_DEPOSIT; - if (GNUNET_OK != - TALER_amount_add (&total_in, - &total_in, - &amount)) - { - /* overflow in history already!? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - withdraw_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - rhistory[off].details.in_details.sender_url = GNUNET_strdup (wire_url); - rhistory[off].details.in_details.wire_reference = wire_reference; - rhistory[off].details.in_details.wire_reference_size = wire_reference_size; - rhistory[off].details.in_details.timestamp = timestamp; - /* end type==DEPOSIT */ - } - else if (0 == strcasecmp (type, - "WITHDRAW")) - { - struct TALER_ReserveSignatureP sig; - struct TALER_WithdrawRequestPS withdraw_purpose; - struct GNUNET_JSON_Specification withdraw_spec[] = { - GNUNET_JSON_spec_fixed_auto ("reserve_sig", - &sig), - TALER_JSON_spec_amount_nbo ("withdraw_fee", - &withdraw_purpose.withdraw_fee), - GNUNET_JSON_spec_fixed_auto ("h_denom_pub", - &withdraw_purpose.h_denomination_pub), - GNUNET_JSON_spec_fixed_auto ("h_coin_envelope", - &withdraw_purpose.h_coin_envelope), - GNUNET_JSON_spec_end() - }; - unsigned int i; - - rhistory[off].type = TALER_EXCHANGE_RTT_WITHDRAWAL; - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - withdraw_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - withdraw_purpose.purpose.size - = htonl (sizeof (withdraw_purpose)); - withdraw_purpose.purpose.purpose - = htonl (TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW); - withdraw_purpose.reserve_pub = *reserve_pub; - TALER_amount_hton (&withdraw_purpose.amount_with_fee, - &amount); - /* Check that the signature is a valid withdraw request */ - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW, - &withdraw_purpose.purpose, - &sig.eddsa_signature, - &reserve_pub->eddsa_pub)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (withdraw_spec); - return GNUNET_SYSERR; - } - /* TODO: check that withdraw fee matches expectations! */ - rhistory[off].details.out_authorization_sig - = json_object_get (transaction, - "signature"); - /* Check check that the same withdraw transaction - isn't listed twice by the exchange. We use the - "uuid" array to remember the hashes of all - purposes, and compare the hashes to find - duplicates. */ - GNUNET_CRYPTO_hash (&withdraw_purpose, - ntohl (withdraw_purpose.purpose.size), - &uuid[uuid_off]); - for (i=0;i<uuid_off;i++) - { - if (0 == memcmp (&uuid[uuid_off], - &uuid[i], - sizeof (struct GNUNET_HashCode))) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (withdraw_spec); - return GNUNET_SYSERR; - } - } - uuid_off++; - - if (GNUNET_OK != - TALER_amount_add (&total_out, - &total_out, - &amount)) - { - /* overflow in history already!? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - GNUNET_JSON_parse_free (withdraw_spec); - return GNUNET_SYSERR; - } - /* end type==WITHDRAW */ - } - else if (0 == strcasecmp (type, - "PAYBACK")) - { - struct TALER_PaybackConfirmationPS pc; - struct GNUNET_TIME_Absolute timestamp; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification payback_spec[] = { - GNUNET_JSON_spec_fixed_auto ("coin_pub", - &pc.coin_pub), - GNUNET_JSON_spec_fixed_auto ("exchange_sig", - &rhistory[off].details.payback_details.exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", - &rhistory[off].details.payback_details.exchange_pub), - GNUNET_JSON_spec_absolute_time_nbo ("timestamp", - &pc.timestamp), - GNUNET_JSON_spec_end() - }; - - rhistory[off].type = TALER_EXCHANGE_RTT_PAYBACK; - rhistory[off].amount = amount; - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - payback_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - rhistory[off].details.payback_details.coin_pub = pc.coin_pub; - TALER_amount_hton (&pc.payback_amount, - &amount); - pc.purpose.size = htonl (sizeof (pc)); - pc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK); - pc.reserve_pub = *reserve_pub; - timestamp = GNUNET_TIME_absolute_ntoh (pc.timestamp); - rhistory[off].details.payback_details.timestamp = timestamp; - - key_state = TALER_EXCHANGE_get_keys (exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - &rhistory[off].details.payback_details.exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_PAYBACK, - &pc.purpose, - &rhistory[off].details.payback_details.exchange_sig.eddsa_signature, - &rhistory[off].details.payback_details.exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_amount_add (&total_in, - &total_in, - &rhistory[off].amount)) - { - /* overflow in history already!? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* end type==PAYBACK */ - } - else if (0 == strcasecmp (type, - "CLOSING")) - { - const struct TALER_EXCHANGE_Keys *key_state; - struct TALER_ReserveCloseConfirmationPS rcc; - struct GNUNET_TIME_Absolute timestamp; - struct GNUNET_JSON_Specification closing_spec[] = { - GNUNET_JSON_spec_string ("receiver_account_details", - &rhistory[off].details.close_details.receiver_account_details), - GNUNET_JSON_spec_fixed_auto ("wtid", - &rhistory[off].details.close_details.wtid), - GNUNET_JSON_spec_fixed_auto ("exchange_sig", - &rhistory[off].details.close_details.exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", - &rhistory[off].details.close_details.exchange_pub), - TALER_JSON_spec_amount_nbo ("closing_fee", - &rcc.closing_fee), - GNUNET_JSON_spec_absolute_time_nbo ("timestamp", - &rcc.timestamp), - GNUNET_JSON_spec_end() - }; - - rhistory[off].type = TALER_EXCHANGE_RTT_CLOSE; - rhistory[off].amount = amount; - if (GNUNET_OK != - GNUNET_JSON_parse (transaction, - closing_spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - TALER_amount_hton (&rcc.closing_amount, - &amount); - GNUNET_CRYPTO_hash (rhistory[off].details.close_details.receiver_account_details, - strlen (rhistory[off].details.close_details.receiver_account_details) + 1, - &rcc.h_wire); - rcc.wtid = rhistory[off].details.close_details.wtid; - rcc.purpose.size = htonl (sizeof (rcc)); - rcc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_RESERVE_CLOSED); - rcc.reserve_pub = *reserve_pub; - timestamp = GNUNET_TIME_absolute_ntoh (rcc.timestamp); - rhistory[off].details.close_details.timestamp = timestamp; - - key_state = TALER_EXCHANGE_get_keys (exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - &rhistory[off].details.close_details.exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_RESERVE_CLOSED, - &rcc.purpose, - &rhistory[off].details.close_details.exchange_sig.eddsa_signature, - &rhistory[off].details.close_details.exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_amount_add (&total_out, - &total_out, - &rhistory[off].amount)) - { - /* overflow in history already!? inconceivable! Bad exchange! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* end type==CLOSING */ - } - else - { - /* unexpected 'type', protocol incompatibility, complain! */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - } - - /* check balance = total_in - total_out < withdraw-amount */ - if (GNUNET_SYSERR == - TALER_amount_subtract (balance, - &total_in, - &total_out)) - { - /* total_in < total_out, why did the exchange ever allow this!? */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Free memory (potentially) allocated by #parse_reserve_history(). - * - * @param rhistory result to free - * @param len number of entries in @a rhistory - */ -static void -free_rhistory (struct TALER_EXCHANGE_ReserveHistory *rhistory, - unsigned int len) -{ - for (unsigned int i=0;i<len;i++) - { - switch (rhistory[i].type) - { - case TALER_EXCHANGE_RTT_DEPOSIT: - GNUNET_free_non_null (rhistory[i].details.in_details.wire_reference); - GNUNET_free_non_null (rhistory[i].details.in_details.sender_url); - break; - case TALER_EXCHANGE_RTT_WITHDRAWAL: - break; - case TALER_EXCHANGE_RTT_PAYBACK: - break; - case TALER_EXCHANGE_RTT_CLOSE: - // should we free "receiver_account_details" ? - break; - } - } -} - - -/** - * Function called when we're done processing the - * HTTP /reserve/status request. - * - * @param cls the `struct TALER_EXCHANGE_ReserveStatusHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_reserve_status_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_ReserveStatusHandle *rsh = cls; - const json_t *j = response; - - rsh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - { - /* TODO: move into separate function... */ - json_t *history; - unsigned int len; - struct TALER_Amount balance; - struct TALER_Amount balance_from_history; - struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_amount ("balance", &balance), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (j, - spec, - NULL, - NULL)) - { - GNUNET_break_op (0); - response_code = 0; - break; - } - history = json_object_get (j, - "history"); - if (NULL == history) - { - GNUNET_break_op (0); - response_code = 0; - break; - } - len = json_array_size (history); - { - struct TALER_EXCHANGE_ReserveHistory rhistory[len]; - - memset (rhistory, 0, sizeof (rhistory)); - if (GNUNET_OK != - parse_reserve_history (rsh->exchange, - history, - &rsh->reserve_pub, - balance.currency, - &balance_from_history, - len, - rhistory)) - { - GNUNET_break_op (0); - response_code = 0; - } - if ( (0 != response_code) && - (0 != - TALER_amount_cmp (&balance_from_history, - &balance)) ) - { - /* exchange cannot add up balances!? */ - GNUNET_break_op (0); - response_code = 0; - } - if (0 != response_code) - { - rsh->cb (rsh->cb_cls, - response_code, - TALER_EC_NONE, - j, - &balance, - len, - rhistory); - rsh->cb = NULL; - } - free_rhistory (rhistory, - len); - } - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != rsh->cb) - { - rsh->cb (rsh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - j, - NULL, - 0, NULL); - rsh->cb = NULL; - } - TALER_EXCHANGE_reserve_status_cancel (rsh); -} - - -/** - * Submit a request to obtain the transaction history of a reserve - * from the exchange. Note that while we return the full response to the - * caller for further processing, we do already verify that the - * response is well-formed (i.e. that signatures included in the - * response are all valid and add up to the balance). If the exchange's - * reply is not well-formed, we return an HTTP status code of zero to - * @a cb. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param reserve_pub public key of the reserve to inspect - * @param cb the callback to call when a reply for this request is available - * @param cb_cls closure for the above callback - * @return a handle for this request; NULL if the inputs are invalid (i.e. - * signatures fail to verify). In this case, the callback is not called. - */ -struct TALER_EXCHANGE_ReserveStatusHandle * -TALER_EXCHANGE_reserve_status (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_ReservePublicKeyP *reserve_pub, - TALER_EXCHANGE_ReserveStatusResultCallback cb, - void *cb_cls) -{ - struct TALER_EXCHANGE_ReserveStatusHandle *rsh; - struct GNUNET_CURL_Context *ctx; - CURL *eh; - char *pub_str; - char *arg_str; - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - pub_str = GNUNET_STRINGS_data_to_string_alloc (reserve_pub, - sizeof (struct TALER_ReservePublicKeyP)); - GNUNET_asprintf (&arg_str, - "/reserve/status?reserve_pub=%s", - pub_str); - GNUNET_free (pub_str); - rsh = GNUNET_new (struct TALER_EXCHANGE_ReserveStatusHandle); - rsh->exchange = exchange; - rsh->cb = cb; - rsh->cb_cls = cb_cls; - rsh->reserve_pub = *reserve_pub; - rsh->url = TEAH_path_to_url (exchange, - arg_str); - GNUNET_free (arg_str); - - eh = TEL_curl_easy_get (rsh->url); - ctx = TEAH_handle_to_context (exchange); - rsh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_NO, - &handle_reserve_status_finished, - rsh); - return rsh; -} - - -/** - * Cancel a reserve status request. This function cannot be used - * on a request handle if a response is already served for it. - * - * @param rsh the reserve status request handle - */ -void -TALER_EXCHANGE_reserve_status_cancel (struct TALER_EXCHANGE_ReserveStatusHandle *rsh) -{ - if (NULL != rsh->job) - { - GNUNET_CURL_job_cancel (rsh->job); - rsh->job = NULL; - } - GNUNET_free (rsh->url); - GNUNET_free (rsh); -} - - -/* ********************** /reserve/withdraw ********************** */ - -/** - * @brief A Withdraw Sign Handle - */ -struct TALER_EXCHANGE_ReserveWithdrawHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_ReserveWithdrawResultCallback cb; - - /** - * Secrets of the planchet. - */ - struct TALER_PlanchetSecretsP ps; - - /** - * Denomination key we are withdrawing. - */ - const struct TALER_EXCHANGE_DenomPublicKey *pk; - - /** - * Closure for @a cb. - */ - void *cb_cls; - - /** - * Hash of the public key of the coin we are signing. - */ - struct GNUNET_HashCode c_hash; - - /** - * Public key of the reserve we are withdrawing from. - */ - struct TALER_ReservePublicKeyP reserve_pub; - -}; - - -/** - * We got a 200 OK response for the /reserve/withdraw operation. - * Extract the coin's signature and return it to the caller. - * The signature we get from the exchange is for the blinded value. - * Thus, we first must unblind it and then should verify its - * validity against our coin's hash. - * - * If everything checks out, we return the unblinded signature - * to the application via the callback. - * - * @param wsh operation handle - * @param json reply from the exchange - * @return #GNUNET_OK on success, #GNUNET_SYSERR on errors - */ -static int -reserve_withdraw_ok (struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh, - const json_t *json) -{ - struct GNUNET_CRYPTO_RsaSignature *blind_sig; - struct TALER_FreshCoin fc; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_rsa_signature ("ev_sig", - &blind_sig), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_planchet_to_coin (&wsh->pk->key, - blind_sig, - &wsh->ps, - &wsh->c_hash, - &fc)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - GNUNET_JSON_parse_free (spec); - - /* signature is valid, return it to the application */ - wsh->cb (wsh->cb_cls, - MHD_HTTP_OK, - TALER_EC_NONE, - &fc.sig, - json); - /* make sure callback isn't called again after return */ - wsh->cb = NULL; - GNUNET_CRYPTO_rsa_signature_free (fc.sig.rsa_signature); - return GNUNET_OK; -} - - -/** - * We got a 403 FORBIDDEN response for the /reserve/withdraw operation. - * Check the signatures on the withdraw transactions in the provided - * history and that the balances add up. We don't do anything directly - * with the information, as the JSON will be returned to the application. - * However, our job is ensuring that the exchange followed the protocol, and - * this in particular means checking all of the signatures in the history. - * - * @param wsh operation handle - * @param json reply from the exchange - * @return #GNUNET_OK on success, #GNUNET_SYSERR on errors - */ -static int -reserve_withdraw_payment_required (struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh, - const json_t *json) -{ - struct TALER_Amount balance; - struct TALER_Amount balance_from_history; - struct TALER_Amount requested_amount; - json_t *history; - size_t len; - struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_amount ("balance", &balance), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - history = json_object_get (json, - "history"); - if (NULL == history) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - - /* go over transaction history and compute - total incoming and outgoing amounts */ - len = json_array_size (history); - { - struct TALER_EXCHANGE_ReserveHistory *rhistory; - - /* Use heap allocation as "len" may be very big and thus this may - not fit on the stack. Use "GNUNET_malloc_large" as a malicious - exchange may theoretically try to crash us by giving a history - that does not fit into our memory. */ - rhistory = GNUNET_malloc_large (sizeof (struct TALER_EXCHANGE_ReserveHistory) * len); - if (NULL == rhistory) - { - GNUNET_break (0); - return GNUNET_SYSERR; - } - - if (GNUNET_OK != - parse_reserve_history (wsh->exchange, - history, - &wsh->reserve_pub, - balance.currency, - &balance_from_history, - len, - rhistory)) - { - GNUNET_break_op (0); - free_rhistory (rhistory, - len); - return GNUNET_SYSERR; - } - free_rhistory (rhistory, - len); - } - - if (0 != - TALER_amount_cmp (&balance_from_history, - &balance)) - { - /* exchange cannot add up balances!? */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - /* Compute how much we expected to charge to the reserve */ - if (GNUNET_OK != - TALER_amount_add (&requested_amount, - &wsh->pk->value, - &wsh->pk->fee_withdraw)) - { - /* Overflow here? Very strange, our CPU must be fried... */ - GNUNET_break (0); - return GNUNET_SYSERR; - } - /* Check that funds were really insufficient */ - if (0 >= TALER_amount_cmp (&requested_amount, - &balance)) - { - /* Requested amount is smaller or equal to reported balance, - so this should not have failed. */ - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /reserve/withdraw request. - * - * @param cls the `struct TALER_EXCHANGE_ReserveWithdrawHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_reserve_withdraw_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh = cls; - const json_t *j = response; - - wsh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK != - reserve_withdraw_ok (wsh, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_FORBIDDEN: - /* The exchange says that the reserve has insufficient funds; - check the signatures in the history... */ - if (GNUNET_OK != - reserve_withdraw_payment_required (wsh, - j)) - { - GNUNET_break_op (0); - response_code = 0; - } - break; - case MHD_HTTP_UNAUTHORIZED: - GNUNET_break (0); - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, the exchange basically just says - that it doesn't know this reserve. Can happen if we - query before the wire transfer went through. - We should simply pass the JSON reply to the application. */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != wsh->cb) - { - wsh->cb (wsh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - NULL, - j); - wsh->cb = NULL; - } - TALER_EXCHANGE_reserve_withdraw_cancel (wsh); -} - - -/** - * Helper function for #TALER_EXCHANGE_reserve_withdraw2() and - * #TALER_EXCHANGE_reserve_withdraw(). - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param pk kind of coin to create - * @param reserve_sig signature from the reserve authorizing the withdrawal - * @param reserve_pub public key of the reserve to withdraw from - * @param ps secrets of the planchet - * caller must have committed this value to disk before the call (with @a pk) - * @param pd planchet details matching @a ps - * @param res_cb the callback to call when the final result for this request is available - * @param res_cb_cls closure for @a res_cb - * @return NULL - * if the inputs are invalid (i.e. denomination key not with this exchange). - * In this case, the callback is not called. - */ -struct TALER_EXCHANGE_ReserveWithdrawHandle * -reserve_withdraw_internal (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_EXCHANGE_DenomPublicKey *pk, - const struct TALER_ReserveSignatureP *reserve_sig, - const struct TALER_ReservePublicKeyP *reserve_pub, - const struct TALER_PlanchetSecretsP *ps, - const struct TALER_PlanchetDetail *pd, - TALER_EXCHANGE_ReserveWithdrawResultCallback res_cb, - void *res_cb_cls) -{ - struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh; - struct GNUNET_CURL_Context *ctx; - json_t *withdraw_obj; - CURL *eh; - - wsh = GNUNET_new (struct TALER_EXCHANGE_ReserveWithdrawHandle); - wsh->exchange = exchange; - wsh->cb = res_cb; - wsh->cb_cls = res_cb_cls; - wsh->pk = pk; - wsh->reserve_pub = *reserve_pub; - wsh->c_hash = pd->c_hash; - withdraw_obj = json_pack ("{s:o, s:o," /* denom_pub and coin_ev */ - " s:o, s:o}",/* reserve_pub and reserve_sig */ - "denom_pub", GNUNET_JSON_from_rsa_public_key (pk->key.rsa_public_key), - "coin_ev", GNUNET_JSON_from_data (pd->coin_ev, - pd->coin_ev_size), - "reserve_pub", GNUNET_JSON_from_data_auto (reserve_pub), - "reserve_sig", GNUNET_JSON_from_data_auto (reserve_sig)); - if (NULL == withdraw_obj) - { - GNUNET_break (0); - return NULL; - } - - wsh->ps = *ps; - wsh->url = TEAH_path_to_url (exchange, "/reserve/withdraw"); - - eh = TEL_curl_easy_get (wsh->url); - GNUNET_assert (NULL != (wsh->json_enc = - json_dumps (withdraw_obj, - JSON_COMPACT))); - json_decref (withdraw_obj); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - wsh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (wsh->json_enc))); - ctx = TEAH_handle_to_context (exchange); - wsh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_reserve_withdraw_finished, - wsh); - return wsh; -} - - -/** - * Withdraw a coin from the exchange using a /reserve/withdraw request. Note - * that to ensure that no money is lost in case of hardware failures, - * the caller must have committed (most of) the arguments to disk - * before calling, and be ready to repeat the request with the same - * arguments in case of failures. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param pk kind of coin to create - * @param reserve_priv private key of the reserve to withdraw from - * @param ps secrets of the planchet - * caller must have committed this value to disk before the call (with @a pk) - * @param res_cb the callback to call when the final result for this request is available - * @param res_cb_cls closure for the above callback - * @return handle for the operation on success, NULL on error, i.e. - * if the inputs are invalid (i.e. denomination key not with this exchange). - * In this case, the callback is not called. - */ -struct TALER_EXCHANGE_ReserveWithdrawHandle * -TALER_EXCHANGE_reserve_withdraw (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_EXCHANGE_DenomPublicKey *pk, - const struct TALER_ReservePrivateKeyP *reserve_priv, - const struct TALER_PlanchetSecretsP *ps, - TALER_EXCHANGE_ReserveWithdrawResultCallback res_cb, - void *res_cb_cls) -{ - struct TALER_Amount amount_with_fee; - struct TALER_ReserveSignatureP reserve_sig; - struct TALER_WithdrawRequestPS req; - struct TALER_PlanchetDetail pd; - struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh; - - GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv, - &req.reserve_pub.eddsa_pub); - req.purpose.size = htonl (sizeof (struct TALER_WithdrawRequestPS)); - req.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW); - if (GNUNET_OK != - TALER_amount_add (&amount_with_fee, - &pk->fee_withdraw, - &pk->value)) - { - /* exchange gave us denomination keys that overflow like this!? */ - GNUNET_break_op (0); - return NULL; - } - TALER_amount_hton (&req.amount_with_fee, - &amount_with_fee); - TALER_amount_hton (&req.withdraw_fee, - &pk->fee_withdraw); - if (GNUNET_OK != - TALER_planchet_prepare (&pk->key, - ps, - &pd)) - { - GNUNET_break_op (0); - return NULL; - } - req.h_denomination_pub = pd.denom_pub_hash; - GNUNET_CRYPTO_hash (pd.coin_ev, - pd.coin_ev_size, - &req.h_coin_envelope); - GNUNET_assert (GNUNET_OK == - GNUNET_CRYPTO_eddsa_sign (&reserve_priv->eddsa_priv, - &req.purpose, - &reserve_sig.eddsa_signature)); - wsh = reserve_withdraw_internal (exchange, - pk, - &reserve_sig, - &req.reserve_pub, - ps, - &pd, - res_cb, - res_cb_cls); - GNUNET_free (pd.coin_ev); - return wsh; -} - - -/** - * Withdraw a coin from the exchange using a /reserve/withdraw - * request. This API is typically used by a wallet to withdraw a tip - * where the reserve's signature was created by the merchant already. - * - * Note that to ensure that no money is lost in case of hardware - * failures, the caller must have committed (most of) the arguments to - * disk before calling, and be ready to repeat the request with the - * same arguments in case of failures. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param pk kind of coin to create - * @param reserve_sig signature from the reserve authorizing the withdrawal - * @param reserve_pub public key of the reserve to withdraw from - * @param ps secrets of the planchet - * caller must have committed this value to disk before the call (with @a pk) - * @param res_cb the callback to call when the final result for this request is available - * @param res_cb_cls closure for @a res_cb - * @return NULL - * if the inputs are invalid (i.e. denomination key not with this exchange). - * In this case, the callback is not called. - */ -struct TALER_EXCHANGE_ReserveWithdrawHandle * -TALER_EXCHANGE_reserve_withdraw2 (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_EXCHANGE_DenomPublicKey *pk, - const struct TALER_ReserveSignatureP *reserve_sig, - const struct TALER_ReservePublicKeyP *reserve_pub, - const struct TALER_PlanchetSecretsP *ps, - TALER_EXCHANGE_ReserveWithdrawResultCallback res_cb, - void *res_cb_cls) -{ - struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh; - struct TALER_PlanchetDetail pd; - - if (GNUNET_OK != - TALER_planchet_prepare (&pk->key, - ps, - &pd)) - { - GNUNET_break_op (0); - return NULL; - } - wsh = reserve_withdraw_internal (exchange, - pk, - reserve_sig, - reserve_pub, - ps, - &pd, - res_cb, - res_cb_cls); - GNUNET_free (pd.coin_ev); - return wsh; -} - - -/** - * Cancel a withdraw status request. This function cannot be used - * on a request handle if a response is already served for it. - * - * @param sign the withdraw sign request handle - */ -void -TALER_EXCHANGE_reserve_withdraw_cancel (struct TALER_EXCHANGE_ReserveWithdrawHandle *sign) -{ - if (NULL != sign->job) - { - GNUNET_CURL_job_cancel (sign->job); - sign->job = NULL; - } - GNUNET_free (sign->url); - GNUNET_free (sign->json_enc); - GNUNET_free (sign); -} - - -/* end of exchange_api_reserve.c */ diff --git a/src/exchange-lib/exchange_api_track_transaction.c b/src/exchange-lib/exchange_api_track_transaction.c deleted file mode 100644 index d61344e59..000000000 --- a/src/exchange-lib/exchange_api_track_transaction.c +++ /dev/null @@ -1,367 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015, 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_track_transaction.c - * @brief Implementation of the /track/transaction request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_json_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_json_lib.h" -#include "taler_exchange_service.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A Deposit Wtid Handle - */ -struct TALER_EXCHANGE_TrackTransactionHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * JSON encoding of the request to POST. - */ - char *json_enc; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_TrackTransactionCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - - /** - * Information the exchange should sign in response. - * (with pre-filled fields from the request). - */ - struct TALER_ConfirmWirePS depconf; - -}; - - -/** - * Verify that the signature on the "200 OK" response - * from the exchange is valid. - * - * @param dwh deposit wtid handle - * @param json json reply with the signature - * @param[out] exchange_pub set to the exchange's public key - * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not - */ -static int -verify_deposit_wtid_signature_ok (const struct TALER_EXCHANGE_TrackTransactionHandle *dwh, - const json_t *json, - struct TALER_ExchangePublicKeyP *exchange_pub) -{ - struct TALER_ExchangeSignatureP exchange_sig; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - key_state = TALER_EXCHANGE_get_keys (dwh->exchange); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (key_state, - exchange_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE, - &dwh->depconf.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub->eddsa_pub)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /track/transaction request. - * - * @param cls the `struct TALER_EXCHANGE_TrackTransactionHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_deposit_wtid_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_TrackTransactionHandle *dwh = cls; - const struct TALER_WireTransferIdentifierRawP *wtid = NULL; - struct GNUNET_TIME_Absolute execution_time = GNUNET_TIME_UNIT_FOREVER_ABS; - const struct TALER_Amount *coin_contribution = NULL; - struct TALER_Amount coin_contribution_s; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangePublicKeyP *ep = NULL; - const json_t *j = response; - - dwh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - { - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("wtid", &dwh->depconf.wtid), - GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time), - TALER_JSON_spec_amount ("coin_contribution", &coin_contribution_s), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (j, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - response_code = 0; - break; - } - wtid = &dwh->depconf.wtid; - dwh->depconf.execution_time = GNUNET_TIME_absolute_hton (execution_time); - TALER_amount_hton (&dwh->depconf.coin_contribution, - &coin_contribution_s); - coin_contribution = &coin_contribution_s; - if (GNUNET_OK != - verify_deposit_wtid_signature_ok (dwh, - j, - &exchange_pub)) - { - GNUNET_break_op (0); - response_code = 0; - } - else - { - ep = &exchange_pub; - } - } - break; - case MHD_HTTP_ACCEPTED: - { - /* Transaction known, but not executed yet */ - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (j, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - response_code = 0; - break; - } - } - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Exchange does not know about transaction; - we should pass the reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - dwh->cb (dwh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - ep, - j, - wtid, - execution_time, - coin_contribution); - TALER_EXCHANGE_track_transaction_cancel (dwh); -} - - -/** - * Obtain wire transfer details about an existing deposit operation. - * - * @param exchange the exchange to query - * @param merchant_priv the merchant's private key - * @param h_wire hash of merchant's wire transfer details - * @param h_contract_terms hash of the proposal data from the contract - * between merchant and customer - * @param coin_pub public key of the coin - * @param cb function to call with the result - * @param cb_cls closure for @a cb - * @return handle to abort request - */ -struct TALER_EXCHANGE_TrackTransactionHandle * -TALER_EXCHANGE_track_transaction (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_MerchantPrivateKeyP *merchant_priv, - const struct GNUNET_HashCode *h_wire, - const struct GNUNET_HashCode *h_contract_terms, - const struct TALER_CoinSpendPublicKeyP *coin_pub, - TALER_EXCHANGE_TrackTransactionCallback cb, - void *cb_cls) -{ - struct TALER_DepositTrackPS dtp; - struct TALER_MerchantSignatureP merchant_sig; - struct TALER_EXCHANGE_TrackTransactionHandle *dwh; - struct GNUNET_CURL_Context *ctx; - json_t *deposit_wtid_obj; - CURL *eh; - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - dtp.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_TRACK_TRANSACTION); - dtp.purpose.size = htonl (sizeof (dtp)); - dtp.h_contract_terms = *h_contract_terms; - dtp.h_wire = *h_wire; - GNUNET_CRYPTO_eddsa_key_get_public (&merchant_priv->eddsa_priv, - &dtp.merchant.eddsa_pub); - - dtp.coin_pub = *coin_pub; - GNUNET_assert (GNUNET_OK == - GNUNET_CRYPTO_eddsa_sign (&merchant_priv->eddsa_priv, - &dtp.purpose, - &merchant_sig.eddsa_sig)); - deposit_wtid_obj = json_pack ("{s:o, s:o," /* H_wire, h_contract_terms */ - " s:o," /* coin_pub */ - " s:o, s:o}", /* merchant_pub, merchant_sig */ - "H_wire", GNUNET_JSON_from_data_auto (h_wire), - "h_contract_terms", GNUNET_JSON_from_data_auto (h_contract_terms), - "coin_pub", GNUNET_JSON_from_data_auto (coin_pub), - "merchant_pub", GNUNET_JSON_from_data_auto (&dtp.merchant), - "merchant_sig", GNUNET_JSON_from_data_auto (&merchant_sig)); - if (NULL == deposit_wtid_obj) - { - GNUNET_break (0); - return NULL; - } - - dwh = GNUNET_new (struct TALER_EXCHANGE_TrackTransactionHandle); - dwh->exchange = exchange; - dwh->cb = cb; - dwh->cb_cls = cb_cls; - dwh->url = TEAH_path_to_url (exchange, "/track/transaction"); - dwh->depconf.purpose.size = htonl (sizeof (struct TALER_ConfirmWirePS)); - dwh->depconf.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE); - dwh->depconf.h_wire = *h_wire; - dwh->depconf.h_contract_terms = *h_contract_terms; - dwh->depconf.coin_pub = *coin_pub; - - eh = TEL_curl_easy_get (dwh->url); - GNUNET_assert (NULL != (dwh->json_enc = - json_dumps (deposit_wtid_obj, - JSON_COMPACT))); - json_decref (deposit_wtid_obj); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDS, - dwh->json_enc)); - GNUNET_assert (CURLE_OK == - curl_easy_setopt (eh, - CURLOPT_POSTFIELDSIZE, - strlen (dwh->json_enc))); - ctx = TEAH_handle_to_context (exchange); - dwh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_deposit_wtid_finished, - dwh); - return dwh; -} - - -/** - * Cancel deposit wtid request. This function cannot be used on a request - * handle if a response is already served for it. - * - * @param dwh the wire deposits request handle - */ -void -TALER_EXCHANGE_track_transaction_cancel (struct TALER_EXCHANGE_TrackTransactionHandle *dwh) -{ - if (NULL != dwh->job) - { - GNUNET_CURL_job_cancel (dwh->job); - dwh->job = NULL; - } - GNUNET_free (dwh->url); - GNUNET_free (dwh->json_enc); - GNUNET_free (dwh); -} - - -/* end of exchange_api_deposit_wtid.c */ diff --git a/src/exchange-lib/exchange_api_track_transfer.c b/src/exchange-lib/exchange_api_track_transfer.c deleted file mode 100644 index cf87fe77a..000000000 --- a/src/exchange-lib/exchange_api_track_transfer.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015, 2016 GNUnet e.V. - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_track_transfer.c - * @brief Implementation of the /track/transfer request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "curl_defaults.h" - - -/** - * @brief A /track/transfer Handle - */ -struct TALER_EXCHANGE_TrackTransferHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_TrackTransferCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * We got a #MHD_HTTP_OK response for the /track/transfer request. - * Check that the response is well-formed and if it is, call the - * callback. If not, return an error code. - * - * This code is very similar to - * merchant_api_track_transfer.c::check_track_transfer_response_ok. - * Any changes should likely be reflected there as well. - * - * @param wdh handle to the operation - * @param json response we got - * @return #GNUNET_OK if we are done and all is well, - * #GNUNET_SYSERR if the response was bogus - */ -static int -check_track_transfer_response_ok (struct TALER_EXCHANGE_TrackTransferHandle *wdh, - const json_t *json) -{ - json_t *details_j; - struct GNUNET_HashCode h_wire; - struct GNUNET_TIME_Absolute exec_time; - struct TALER_Amount total_amount; - struct TALER_Amount total_expected; - struct TALER_Amount wire_fee; - struct TALER_MerchantPublicKeyP merchant_pub; - unsigned int num_details; - struct TALER_ExchangePublicKeyP exchange_pub; - struct TALER_ExchangeSignatureP exchange_sig; - struct GNUNET_JSON_Specification spec[] = { - TALER_JSON_spec_amount ("total", &total_amount), - TALER_JSON_spec_amount ("wire_fee", &wire_fee), - GNUNET_JSON_spec_fixed_auto ("merchant_pub", &merchant_pub), - GNUNET_JSON_spec_fixed_auto ("H_wire", &h_wire), - GNUNET_JSON_spec_absolute_time ("execution_time", &exec_time), - GNUNET_JSON_spec_json ("deposits", &details_j), - GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig), - GNUNET_JSON_spec_fixed_auto ("exchange_pub", &exchange_pub), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (json, - spec, - NULL, NULL)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_amount_get_zero (total_amount.currency, - &total_expected)) - { - GNUNET_break_op (0); - return GNUNET_SYSERR; - } - num_details = json_array_size (details_j); - { - struct TALER_TrackTransferDetails details[num_details]; - unsigned int i; - struct GNUNET_HashContext *hash_context; - struct TALER_WireDepositDetailP dd; - struct TALER_WireDepositDataPS wdp; - - hash_context = GNUNET_CRYPTO_hash_context_start (); - for (i=0;i<num_details;i++) - { - struct TALER_TrackTransferDetails *detail = &details[i]; - struct json_t *detail_j = json_array_get (details_j, i); - struct GNUNET_JSON_Specification spec_detail[] = { - GNUNET_JSON_spec_fixed_auto ("h_contract_terms", &detail->h_contract_terms), - GNUNET_JSON_spec_fixed_auto ("coin_pub", &detail->coin_pub), - TALER_JSON_spec_amount ("deposit_value", &detail->coin_value), - TALER_JSON_spec_amount ("deposit_fee", &detail->coin_fee), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (detail_j, - spec_detail, - NULL, NULL)) - { - GNUNET_break_op (0); - GNUNET_CRYPTO_hash_context_abort (hash_context); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - /* build up big hash for signature checking later */ - dd.h_contract_terms = detail->h_contract_terms; - dd.execution_time = GNUNET_TIME_absolute_hton (exec_time); - dd.coin_pub = detail->coin_pub; - TALER_amount_hton (&dd.deposit_value, - &detail->coin_value); - TALER_amount_hton (&dd.deposit_fee, - &detail->coin_fee); - if ( (GNUNET_OK != - TALER_amount_add (&total_expected, - &total_expected, - &detail->coin_value)) || - (GNUNET_OK != - TALER_amount_subtract (&total_expected, - &total_expected, - &detail->coin_fee)) ) - { - GNUNET_break_op (0); - GNUNET_CRYPTO_hash_context_abort (hash_context); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - GNUNET_CRYPTO_hash_context_read (hash_context, - &dd, - sizeof (struct TALER_WireDepositDetailP)); - } - /* Check signature */ - wdp.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT); - wdp.purpose.size = htonl (sizeof (struct TALER_WireDepositDataPS)); - TALER_amount_hton (&wdp.total, - &total_amount); - TALER_amount_hton (&wdp.wire_fee, - &wire_fee); - wdp.merchant_pub = merchant_pub; - wdp.h_wire = h_wire; - GNUNET_CRYPTO_hash_context_finish (hash_context, - &wdp.h_details); - if (GNUNET_OK != - TALER_EXCHANGE_test_signing_key (TALER_EXCHANGE_get_keys (wdh->exchange), - &exchange_pub)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - if (GNUNET_OK != GNUNET_CRYPTO_eddsa_verify - (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE_DEPOSIT, - &wdp.purpose, - &exchange_sig.eddsa_signature, - &exchange_pub.eddsa_pub)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - - if (GNUNET_OK != - TALER_amount_subtract (&total_expected, - &total_expected, - &wire_fee)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - if (0 != - TALER_amount_cmp (&total_expected, - &total_amount)) - { - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - return GNUNET_SYSERR; - } - wdh->cb (wdh->cb_cls, - MHD_HTTP_OK, - TALER_EC_NONE, - &exchange_pub, - json, - &h_wire, - exec_time, - &total_amount, - &wire_fee, - num_details, - details); - } - GNUNET_JSON_parse_free (spec); - TALER_EXCHANGE_track_transfer_cancel (wdh); - return GNUNET_OK; -} - - -/** - * Function called when we're done processing the - * HTTP /track/transfer request. - * - * @param cls the `struct TALER_EXCHANGE_TrackTransferHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_track_transfer_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_TrackTransferHandle *wdh = cls; - const json_t *j = response; - - wdh->job = NULL; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - if (GNUNET_OK == - check_track_transfer_response_ok (wdh, - j)) - return; - GNUNET_break_op (0); - response_code = 0; - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_UNAUTHORIZED: - /* Nothing really to verify, exchange says one of the signatures is - invalid; as we checked them, this should never happen, we - should pass the JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Exchange does not know about transaction; - we should pass the reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - wdh->cb (wdh->cb_cls, - response_code, - TALER_JSON_get_error_code (j), - NULL, - j, - NULL, - GNUNET_TIME_UNIT_ZERO_ABS, - NULL, - NULL, - 0, NULL); - TALER_EXCHANGE_track_transfer_cancel (wdh); -} - - -/** - * Query the exchange about which transactions were combined - * to create a wire transfer. - * - * @param exchange exchange to query - * @param wtid raw wire transfer identifier to get information about - * @param cb callback to call - * @param cb_cls closure for @a cb - * @return handle to cancel operation - */ -struct TALER_EXCHANGE_TrackTransferHandle * -TALER_EXCHANGE_track_transfer (struct TALER_EXCHANGE_Handle *exchange, - const struct TALER_WireTransferIdentifierRawP *wtid, - TALER_EXCHANGE_TrackTransferCallback cb, - void *cb_cls) -{ - struct TALER_EXCHANGE_TrackTransferHandle *wdh; - struct GNUNET_CURL_Context *ctx; - char *buf; - char *path; - CURL *eh; - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - - wdh = GNUNET_new (struct TALER_EXCHANGE_TrackTransferHandle); - wdh->exchange = exchange; - wdh->cb = cb; - wdh->cb_cls = cb_cls; - - buf = GNUNET_STRINGS_data_to_string_alloc (wtid, - sizeof (struct TALER_WireTransferIdentifierRawP)); - GNUNET_asprintf (&path, - "/track/transfer?wtid=%s", - buf); - wdh->url = TEAH_path_to_url (wdh->exchange, - path); - GNUNET_free (buf); - GNUNET_free (path); - - eh = TEL_curl_easy_get (wdh->url); - ctx = TEAH_handle_to_context (exchange); - wdh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_track_transfer_finished, - wdh); - return wdh; -} - - -/** - * Cancel wire deposits request. This function cannot be used on a request - * handle if a response is already served for it. - * - * @param wdh the wire deposits request handle - */ -void -TALER_EXCHANGE_track_transfer_cancel (struct TALER_EXCHANGE_TrackTransferHandle *wdh) -{ - if (NULL != wdh->job) - { - GNUNET_CURL_job_cancel (wdh->job); - wdh->job = NULL; - } - GNUNET_free (wdh->url); - GNUNET_free (wdh); -} - - -/* end of exchange_api_wire_deposits.c */ diff --git a/src/exchange-lib/exchange_api_wire.c b/src/exchange-lib/exchange_api_wire.c deleted file mode 100644 index 0d4644dbf..000000000 --- a/src/exchange-lib/exchange_api_wire.c +++ /dev/null @@ -1,442 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it under the - terms of the GNU General Public License as published by the Free Software - Foundation; either version 3, or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along with - TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/exchange_api_wire.c - * @brief Implementation of the /wire request of the exchange's HTTP API - * @author Christian Grothoff - */ -#include "platform.h" -#include <jansson.h> -#include <microhttpd.h> /* just for HTTP status codes */ -#include <gnunet/gnunet_util_lib.h> -#include <gnunet/gnunet_curl_lib.h> -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include "taler_wire_lib.h" -#include "taler_signatures.h" -#include "taler_wire_plugin.h" -#include "exchange_api_handle.h" -#include "curl_defaults.h" - - -/** - * @brief A Wire Handle - */ -struct TALER_EXCHANGE_WireHandle -{ - - /** - * The connection to exchange this request handle will use - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * The url for this request. - */ - char *url; - - /** - * Handle for the request. - */ - struct GNUNET_CURL_Job *job; - - /** - * Function to call with the result. - */ - TALER_EXCHANGE_WireResultCallback cb; - - /** - * Closure for @a cb. - */ - void *cb_cls; - -}; - - -/** - * List of wire fees by method. - */ -struct FeeMap -{ - /** - * Next entry in list. - */ - struct FeeMap *next; - - /** - * Wire method this fee structure is for. - */ - char *method; - - /** - * Array of wire fees, also linked list, but allocated - * only once. - */ - struct TALER_EXCHANGE_WireAggregateFees *fee_list; -}; - - -/** - * Frees @a fm. - * - * @param fm memory to release - */ -static void -free_fees (struct FeeMap *fm) -{ - while (NULL != fm) - { - struct FeeMap *fe = fm->next; - - GNUNET_free (fm->fee_list); - GNUNET_free (fm->method); - GNUNET_free (fm); - fm = fe; - } -} - - -/** - * Parse wire @a fees and return map. - * - * @param fees json AggregateTransferFee to parse - * @return NULL on error - */ -static struct FeeMap * -parse_fees (json_t *fees) -{ - struct FeeMap *fm = NULL; - const char *key; - json_t *fee_array; - - json_object_foreach (fees, key, fee_array) { - struct FeeMap *fe = GNUNET_new (struct FeeMap); - int len; - unsigned int idx; - json_t *fee; - - if (0 == (len = json_array_size (fee_array))) - { - GNUNET_break_op (0); - GNUNET_free (fe); - continue; /* skip */ - } - fe->method = GNUNET_strdup (key); - fe->next = fm; - fe->fee_list = GNUNET_new_array (len, - struct TALER_EXCHANGE_WireAggregateFees); - fm = fe; - json_array_foreach (fee_array, idx, fee) - { - struct TALER_EXCHANGE_WireAggregateFees *wa = &fe->fee_list[idx]; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_fixed_auto ("sig", - &wa->master_sig), - TALER_JSON_spec_amount ("wire_fee", - &wa->wire_fee), - TALER_JSON_spec_amount ("closing_fee", - &wa->closing_fee), - GNUNET_JSON_spec_absolute_time ("start_date", - &wa->start_date), - GNUNET_JSON_spec_absolute_time ("end_date", - &wa->end_date), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (fee, - spec, - NULL, - NULL)) - { - GNUNET_break_op (0); - free_fees (fm); - return NULL; - } - if (idx + 1 < len) - wa->next = &fe->fee_list[idx + 1]; - else - wa->next = NULL; - } - } - return fm; -} - - -/** - * Find fee by @a method. - * - * @param fm map to look in - * @param method key to look for - * @return NULL if fee is not specified in @a fm - */ -static const struct TALER_EXCHANGE_WireAggregateFees * -lookup_fee (const struct FeeMap *fm, - const char *method) -{ - for (;NULL != fm; fm = fm->next) - if (0 == strcasecmp (fm->method, - method)) - return fm->fee_list; - return NULL; -} - - -/** - * Function called when we're done processing the - * HTTP /wire request. - * - * @param cls the `struct TALER_EXCHANGE_WireHandle` - * @param response_code HTTP response code, 0 on error - * @param response parsed JSON result, NULL on error - */ -static void -handle_wire_finished (void *cls, - long response_code, - const void *response) -{ - struct TALER_EXCHANGE_WireHandle *wh = cls; - enum TALER_ErrorCode ec; - const json_t *j = response; - - TALER_LOG_DEBUG ("Checking raw /wire response\n"); - wh->job = NULL; - ec = TALER_EC_NONE; - switch (response_code) - { - case 0: - break; - case MHD_HTTP_OK: - { - json_t *accounts; - json_t *fees; - int num_accounts; - struct FeeMap *fm; - const struct TALER_EXCHANGE_Keys *key_state; - struct GNUNET_JSON_Specification spec[] = { - GNUNET_JSON_spec_json ("accounts", &accounts), - GNUNET_JSON_spec_json ("fees", &fees), - GNUNET_JSON_spec_end() - }; - - if (GNUNET_OK != - GNUNET_JSON_parse (j, - spec, - NULL, NULL)) - { - /* bogus reply */ - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - break; - } - if (0 == (num_accounts = json_array_size (accounts))) - { - /* bogus reply */ - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - break; - } - if (NULL == (fm = parse_fees (fees))) - { - /* bogus reply */ - GNUNET_break_op (0); - GNUNET_JSON_parse_free (spec); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - break; - } - - key_state = TALER_EXCHANGE_get_keys (wh->exchange); - /* parse accounts */ - { - struct TALER_EXCHANGE_WireAccount was[num_accounts]; - - for (unsigned int i=0;i<num_accounts;i++) - { - struct TALER_EXCHANGE_WireAccount *wa = &was[i]; - json_t *account; - struct GNUNET_JSON_Specification spec_account[] = { - GNUNET_JSON_spec_string ("url", &wa->url), - GNUNET_JSON_spec_fixed_auto ("master_sig", &wa->master_sig), - GNUNET_JSON_spec_end() - }; - char *method; - - account = json_array_get (accounts, - i); - if (GNUNET_OK != - TALER_JSON_exchange_wire_signature_check (account, - &key_state->master_pub)) - { - /* bogus reply */ - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_SERVER_SIGNATURE_INVALID; - break; - } - if (GNUNET_OK != - GNUNET_JSON_parse (account, - spec_account, - NULL, NULL)) - { - /* bogus reply */ - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - break; - } - if (NULL == (method = TALER_WIRE_payto_get_method (wa->url))) - { - /* bogus reply */ - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - break; - } - if (NULL == (wa->fees = lookup_fee (fm, - method))) - { - /* bogus reply */ - GNUNET_break_op (0); - response_code = 0; - ec = TALER_EC_SERVER_JSON_INVALID; - GNUNET_free (method); - break; - } - GNUNET_free (method); - } /* end 'for all accounts */ - if ( (0 != response_code) && - (NULL != wh->cb) ) - { - wh->cb (wh->cb_cls, - response_code, - TALER_EC_NONE, - num_accounts, - was); - wh->cb = NULL; - } - } /* end of 'parse accounts */ - free_fees (fm); - GNUNET_JSON_parse_free (spec); - } /* end of MHD_HTTP_OK */ - break; - case MHD_HTTP_BAD_REQUEST: - /* This should never happen, either us or the exchange is buggy - (or API version conflict); just pass JSON reply to the application */ - break; - case MHD_HTTP_NOT_FOUND: - /* Nothing really to verify, this should never - happen, we should pass the JSON reply to the application */ - break; - case MHD_HTTP_INTERNAL_SERVER_ERROR: - /* Server had an internal issue; we should retry, but this API - leaves this to the application */ - break; - default: - /* unexpected response code */ - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u\n", - (unsigned int) response_code); - GNUNET_break (0); - response_code = 0; - break; - } - if (NULL != wh->cb) - wh->cb (wh->cb_cls, - response_code, - (0 == response_code) ? ec : TALER_JSON_get_error_code (j), - 0, - NULL); - TALER_EXCHANGE_wire_cancel (wh); -} - - -/** - * Obtain information about a exchange's wire instructions. - * A exchange may provide wire instructions for creating - * a reserve. The wire instructions also indicate - * which wire formats merchants may use with the exchange. - * This API is typically used by a wallet for wiring - * funds, and possibly by a merchant to determine - * supported wire formats. - * - * Note that while we return the (main) response verbatim to the - * caller for further processing, we do already verify that the - * response is well-formed (i.e. that signatures included in the - * response are all valid). If the exchange's reply is not well-formed, - * we return an HTTP status code of zero to @a cb. - * - * @param exchange the exchange handle; the exchange must be ready to operate - * @param wire_cb the callback to call when a reply for this request is available - * @param wire_cb_cls closure for the above callback - * @return a handle for this request - */ -struct TALER_EXCHANGE_WireHandle * -TALER_EXCHANGE_wire (struct TALER_EXCHANGE_Handle *exchange, - TALER_EXCHANGE_WireResultCallback wire_cb, - void *wire_cb_cls) -{ - struct TALER_EXCHANGE_WireHandle *wh; - struct GNUNET_CURL_Context *ctx; - CURL *eh; - - if (GNUNET_YES != - TEAH_handle_is_ready (exchange)) - { - GNUNET_break (0); - return NULL; - } - wh = GNUNET_new (struct TALER_EXCHANGE_WireHandle); - wh->exchange = exchange; - wh->cb = wire_cb; - wh->cb_cls = wire_cb_cls; - wh->url = TEAH_path_to_url (exchange, "/wire"); - - eh = TEL_curl_easy_get (wh->url); - ctx = TEAH_handle_to_context (exchange); - wh->job = GNUNET_CURL_job_add (ctx, - eh, - GNUNET_YES, - &handle_wire_finished, - wh); - return wh; -} - - -/** - * Cancel a wire information request. This function cannot be used - * on a request handle if a response is already served for it. - * - * @param wh the wire information request handle - */ -void -TALER_EXCHANGE_wire_cancel (struct TALER_EXCHANGE_WireHandle *wh) -{ - if (NULL != wh->job) - { - GNUNET_CURL_job_cancel (wh->job); - wh->job = NULL; - } - GNUNET_free (wh->url); - GNUNET_free (wh); -} - - -/* end of exchange_api_wire.c */ diff --git a/src/exchange-lib/test_exchange_api.conf b/src/exchange-lib/test_exchange_api.conf deleted file mode 100644 index a44bab3ae..000000000 --- a/src/exchange-lib/test_exchange_api.conf +++ /dev/null @@ -1,203 +0,0 @@ - -# This file is in the public domain. -# -[PATHS] -# Persistant data storage for the testcase -TALER_TEST_HOME = test_exchange_api_home/ - -[taler] -# Currency supported by the exchange (can only be one) -CURRENCY = EUR - -[auditor] -BASE_URL = "http://localhost:8083/" - -# HTTP port the auditor listens to -PORT = 8083 - - -[exchange] - -# how long is one signkey valid? -signkey_duration = 4 weeks - -# how long are the signatures with the signkey valid? -legal_duration = 2 years - -# how long do we provide to clients denomination and signing keys -# ahead of time? -lookahead_provide = 4 weeks 1 day - -# HTTP port the exchange listens to -PORT = 8081 - -# Master public key used to sign the exchange's various keys -MASTER_PUBLIC_KEY = 98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG - -# How to access our database -DB = postgres - -# Base URL of the exchange. Must be set to a URL where the -# exchange (or the twister) is actually listening. -BASE_URL = "http://localhost:8081/" - -# Keep it short so the test runs fast. -LOOKAHEAD_SIGN = 12 h - -[exchangedb-postgres] -CONFIG = "postgres:///talercheck" - -[auditordb-postgres] -CONFIG = "postgres:///talercheck" - -# Sections starting with "account-" configure the bank accounts -# of the exchange. The "URL" specifies the account in -# payto://-format, while the WIRE_JSON specifies the -# (possibly offline) signed version to be returned in /wire. -# WIRE_JSON is optional, as not all accounts must be -# advertised in /wire. -[account-1] -# What is the URL of our account? -URL = "payto://sepa/CH9300762011623852957" -# This is the response we give out for the /wire request. It provides -# wallets with the bank information for transfers to the exchange. -WIRE_RESPONSE = ${TALER_CONFIG_HOME}/account-1.json -# Which wire plugin should we used to access the account? -PLUGIN = ebics - -# ENABLE_CREDIT = YES - -[account-2] -# What is the bank account (with the "Taler Bank" demo system)? -URL = "payto://x-taler-bank/localhost:8082/2" - -# This is the response we give out for the /wire request. It provides -# wallets with the bank information for transfers to the exchange. -WIRE_RESPONSE = ${TALER_CONFIG_HOME}/account-2.json - -# Which wire plugin should we used to access the account? -PLUGIN = taler_bank - -# Authentication information for basic authentication -TALER_BANK_AUTH_METHOD = "basic" -USERNAME = user -PASSWORD = pass - -ENABLE_DEBIT = YES - -ENABLE_CREDIT = YES - - -# Sections starting with "fee-" configure the wire fee for the -# respective wire method. -[fees-sepa] -# Fees for the forseeable future... -# If you see this after 2017, update to match the next 10 years... -WIRE-FEE-2018 = EUR:0.01 -WIRE-FEE-2019 = EUR:0.01 -WIRE-FEE-2020 = EUR:0.01 -WIRE-FEE-2021 = EUR:0.01 -WIRE-FEE-2022 = EUR:0.01 -WIRE-FEE-2023 = EUR:0.01 -WIRE-FEE-2024 = EUR:0.01 -WIRE-FEE-2025 = EUR:0.01 -WIRE-FEE-2026 = EUR:0.01 -WIRE-FEE-2027 = EUR:0.01 - -CLOSING-FEE-2018 = EUR:0.01 -CLOSING-FEE-2019 = EUR:0.01 -CLOSING-FEE-2020 = EUR:0.01 -CLOSING-FEE-2021 = EUR:0.01 -CLOSING-FEE-2022 = EUR:0.01 -CLOSING-FEE-2023 = EUR:0.01 -CLOSING-FEE-2024 = EUR:0.01 -CLOSING-FEE-2025 = EUR:0.01 -CLOSING-FEE-2026 = EUR:0.01 -CLOSING-FEE-2027 = EUR:0.01 - -[fees-x-taler-bank] -# Fees for the forseeable future... -# If you see this after 2017, update to match the next 10 years... -WIRE-FEE-2018 = EUR:0.01 -WIRE-FEE-2019 = EUR:0.01 -WIRE-FEE-2020 = EUR:0.01 -WIRE-FEE-2021 = EUR:0.01 -WIRE-FEE-2022 = EUR:0.01 -WIRE-FEE-2023 = EUR:0.01 -WIRE-FEE-2024 = EUR:0.01 -WIRE-FEE-2025 = EUR:0.01 -WIRE-FEE-2026 = EUR:0.01 -WIRE-FEE-2027 = EUR:0.01 - -CLOSING-FEE-2018 = EUR:0.01 -CLOSING-FEE-2019 = EUR:0.01 -CLOSING-FEE-2020 = EUR:0.01 -CLOSING-FEE-2021 = EUR:0.01 -CLOSING-FEE-2022 = EUR:0.01 -CLOSING-FEE-2023 = EUR:0.01 -CLOSING-FEE-2024 = EUR:0.01 -CLOSING-FEE-2025 = EUR:0.01 -CLOSING-FEE-2026 = EUR:0.01 -CLOSING-FEE-2027 = EUR:0.01 - -# Sections starting with "coin_" specify which denominations -# the exchange should support (and their respective fee structure) -[coin_eur_ct_1] -value = EUR:0.01 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.00 -fee_deposit = EUR:0.00 -fee_refresh = EUR:0.01 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_ct_10] -value = EUR:0.10 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_1] -value = EUR:1 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_5] -value = EUR:5 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_10] -value = EUR:10 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 diff --git a/src/exchange-lib/test_exchange_api_expire_reserve_now.conf b/src/exchange-lib/test_exchange_api_expire_reserve_now.conf deleted file mode 100644 index 05bca956b..000000000 --- a/src/exchange-lib/test_exchange_api_expire_reserve_now.conf +++ /dev/null @@ -1,4 +0,0 @@ -@INLINE@ test_exchange_api.conf - -[exchangedb] -IDLE_RESERVE_EXPIRATION_TIME = 0 s diff --git a/src/exchange-lib/test_exchange_api_home/.config/taler/account-1.json b/src/exchange-lib/test_exchange_api_home/.config/taler/account-1.json deleted file mode 100644 index 48093f2aa..000000000 --- a/src/exchange-lib/test_exchange_api_home/.config/taler/account-1.json +++ /dev/null @@ -1,5 +0,0 @@ -{ - "url": "payto://sepa/CH9300762011623852957", - "salt": "N83T9J9202WCC8TQFDMJDWEGZNBEKA33C1ZM241VNYH88RZNTHPW509Y1M2YF7Y098R8VRESWQ05H03BK1SPAZCWE54KARDCKT5N8AG", - "master_sig": "D4V5GJ998YK7D6N0N56AD0J6MZNFEW6MRZT2CFPVQ5ME3NMQ59AA2007CXYESSFGRN70CNCFM06858QSSENCWTZM8VHEJ93YQ20ZJ1R" -}
\ No newline at end of file diff --git a/src/exchange-lib/test_exchange_api_home/.config/taler/account-2.json b/src/exchange-lib/test_exchange_api_home/.config/taler/account-2.json deleted file mode 100644 index 159e03171..000000000 --- a/src/exchange-lib/test_exchange_api_home/.config/taler/account-2.json +++ /dev/null @@ -1,4 +0,0 @@ -{ - "url": "payto://x-taler-bank/localhost:8082/2", - "master_sig": "HC47BZN3C0KJ2VPMJ5EJWD2FXJ72AET0NWFE6JGSGK5CXS4GSKJJ6Z7BTS56JWM7B40SD61Z5GYYMRRE3X9JTJBVMWE0X7XHNXQ9P38" -}
\ No newline at end of file diff --git a/src/exchange-lib/test_exchange_api_home/.config/taler/sepa.json b/src/exchange-lib/test_exchange_api_home/.config/taler/sepa.json deleted file mode 100644 index b435ce86b..000000000 --- a/src/exchange-lib/test_exchange_api_home/.config/taler/sepa.json +++ /dev/null @@ -1,9 +0,0 @@ -{ - "name": "Max Musterman", - "bic": "COBADEFF370", - "type": "sepa", - "sig": "4EVRC2MCJPXQC8MC00831DNWEXMZAP4JQDDE1A7R6KR3MANG24RC1VQ55AX5A2E35S58VW1VSTENFTPHG5MWG9BSN8B8WXSV21KKW20", - "address": "Musterstadt", - "salt": "3KTM1ZRMWGEQPQ254S4R5R4Q8XM0ZYWTCTE01TZ76MVBSQ6RX7A5DR08WXVH1DCHR1R7ACRB7X0EVC2XDW1CBZM9WFSD9TRMZ90BR98", - "iban": "DE89370400440532013000" -}
\ No newline at end of file diff --git a/src/exchange-lib/test_exchange_api_home/.config/taler/test.json b/src/exchange-lib/test_exchange_api_home/.config/taler/test.json deleted file mode 100644 index eca394241..000000000 --- a/src/exchange-lib/test_exchange_api_home/.config/taler/test.json +++ /dev/null @@ -1,8 +0,0 @@ -{ - "salt": "AZPRFVJ58NM6M7J5CZQPJAH3EW5DYM52AEZ9Y1C1ER3W94QV8D8TQKF6CK8MYQRA9QMSKDQTGZ306ZS9GQ0M6R01CJ20KPP49WFDZK8", - "name": "The exchange", - "account_number": 3, - "bank_url": "http://localhost:8082/", - "type": "test", - "sig": "RPQXP9S4P8PQP7HEZQNRSZCT0ATNEP8GW0P5TPM34V5RX86FCD670V44R9NETSYDDKB8SZV7TKY9PAJYTY51D3VDWY9XXQ5BPFRXR28" -} diff --git a/src/exchange-lib/test_exchange_api_home/.config/taler/x-taler-bank.json b/src/exchange-lib/test_exchange_api_home/.config/taler/x-taler-bank.json deleted file mode 100644 index a15df27ca..000000000 --- a/src/exchange-lib/test_exchange_api_home/.config/taler/x-taler-bank.json +++ /dev/null @@ -1,4 +0,0 @@ -{ - "url": "payto://x-taler-bank/http://localhost:8082/2", - "master_sig": "KQ0BWSCNVR7HGGSAMCYK8ZM30RBS1MHMXT3QBN01PZWC9TV72FEE5RJ7T84C8134EPV6WEBXXY2MTFNE8ZXST6JEJQKR8HX6FQPVY10" -}
\ No newline at end of file diff --git a/src/exchange-lib/test_exchange_api_home/.local/share/taler/exchange/offline-keys/master.priv b/src/exchange-lib/test_exchange_api_home/.local/share/taler/exchange/offline-keys/master.priv deleted file mode 100644 index 394926938..000000000 --- a/src/exchange-lib/test_exchange_api_home/.local/share/taler/exchange/offline-keys/master.priv +++ /dev/null @@ -1 +0,0 @@ -pÚ^ó-Ú33ˆ€XXÁ!ˆ\0qúýµmUþ_‰ˆ
\ No newline at end of file diff --git a/src/exchange-lib/test_exchange_api_keys_cherry_picking.conf b/src/exchange-lib/test_exchange_api_keys_cherry_picking.conf deleted file mode 100644 index 8d5585e3a..000000000 --- a/src/exchange-lib/test_exchange_api_keys_cherry_picking.conf +++ /dev/null @@ -1,161 +0,0 @@ -# This file is in the public domain. -# -[PATHS] -# Persistent data storage for the testcase -TALER_TEST_HOME = test_exchange_api_home/ - -[taler] -# Currency supported by the exchange (can only be one) -CURRENCY = EUR - -[auditor] -BASE_URL = "http://localhost:8083/" - -# HTTP port the auditor listens to -PORT = 8083 - -[exchange] - -# how long is one signkey valid? -signkey_duration = 5 seconds - -# how long are the signatures with the signkey valid? -legal_duration = 2 years - -# how long do we provide to clients denomination and signing keys -# ahead of time? -lookahead_provide = 30 seconds - -# Keep it short so we can prolong later! -LOOKAHEAD_SIGN = 60 s - - -# HTTP port the exchange listens to -PORT = 8081 - -# Master public key used to sign the exchange's various keys -MASTER_PUBLIC_KEY = 98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG - -# How to access our database -DB = postgres - -# Base URL of the exchange. Must be set to a URL where the -# exchange (or the twister) is actually listening. -BASE_URL = "http://localhost:8081/" - - -[exchangedb-postgres] -CONFIG = "postgres:///talercheck" - -[auditordb-postgres] -CONFIG = "postgres:///talercheck" - - -[account-1] -# This is the response we give out for the /wire request. It provides -# wallets with the bank information for transfers to the exchange. -WIRE_RESPONSE = ${TALER_CONFIG_HOME}/iban.json - -# What is the URL of our bank account? Must match WIRE_RESPONSE above! -URL = payto://sepa/FIXME - -# Which plugin implements access for this account? -PLUGIN = "ebics" - - -[account-2] -# This is the response we give out for the /wire request. It provides -# wallets with the bank information for transfers to the exchange. -WIRE_RESPONSE = ${TALER_CONFIG_HOME}/x-taler-bank.json - -# What is the URL of our bank account? Must match WIRE_RESPONSE above! -URL = payto://x-taler-bank/http://localhost:8082/2 - -# Which plugin implements access for this account? -PLUGIN = "taler_bank" - -# Authentication information for basic authentication -TALER_BANK_AUTH_METHOD = "basic" -USERNAME = user -PASSWORD = pass - -ENABLE_DEBIT = YES - -ENABLE_CREDIT = YES - - - - -[fees-x-taler-bank] -# Fees for the forseeable future... -# If you see this after 2017, update to match the next 10 years... -WIRE-FEE-2017 = EUR:0.01 -WIRE-FEE-2018 = EUR:0.01 -WIRE-FEE-2019 = EUR:0.01 -WIRE-FEE-2020 = EUR:0.01 -WIRE-FEE-2021 = EUR:0.01 -WIRE-FEE-2022 = EUR:0.01 -WIRE-FEE-2023 = EUR:0.01 -WIRE-FEE-2024 = EUR:0.01 -WIRE-FEE-2025 = EUR:0.01 -WIRE-FEE-2026 = EUR:0.01 - -CLOSING-FEE-2017 = EUR:0.01 -CLOSING-FEE-2018 = EUR:0.01 -CLOSING-FEE-2019 = EUR:0.01 -CLOSING-FEE-2020 = EUR:0.01 -CLOSING-FEE-2021 = EUR:0.01 -CLOSING-FEE-2022 = EUR:0.01 -CLOSING-FEE-2023 = EUR:0.01 -CLOSING-FEE-2024 = EUR:0.01 -CLOSING-FEE-2025 = EUR:0.01 -CLOSING-FEE-2026 = EUR:0.01 - -[fees-sepa] -# Fees for the forseeable future... -# If you see this after 2017, update to match the next 10 years... -WIRE-FEE-2017 = EUR:0.01 -WIRE-FEE-2018 = EUR:0.01 -WIRE-FEE-2019 = EUR:0.01 -WIRE-FEE-2020 = EUR:0.01 -WIRE-FEE-2021 = EUR:0.01 -WIRE-FEE-2022 = EUR:0.01 -WIRE-FEE-2023 = EUR:0.01 -WIRE-FEE-2024 = EUR:0.01 -WIRE-FEE-2025 = EUR:0.01 -WIRE-FEE-2026 = EUR:0.01 - -CLOSING-FEE-2017 = EUR:0.01 -CLOSING-FEE-2018 = EUR:0.01 -CLOSING-FEE-2019 = EUR:0.01 -CLOSING-FEE-2020 = EUR:0.01 -CLOSING-FEE-2021 = EUR:0.01 -CLOSING-FEE-2022 = EUR:0.01 -CLOSING-FEE-2023 = EUR:0.01 -CLOSING-FEE-2024 = EUR:0.01 -CLOSING-FEE-2025 = EUR:0.01 -CLOSING-FEE-2026 = EUR:0.01 - -[coin_eur_ct_1] -value = EUR:0.01 -duration_overlap = 1 s -duration_withdraw = 25 s -duration_spend = 40 s -duration_legal = 60 s -fee_withdraw = EUR:0.00 -fee_deposit = EUR:0.00 -fee_refresh = EUR:0.01 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_ct_2] -value = EUR:0.02 -duration_overlap = 1 s -duration_withdraw = 25 s -duration_spend = 40 s -duration_legal = 60 s -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.01 -fee_refund = EUR:0.01 -rsa_keysize = 1024 diff --git a/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended.conf b/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended.conf deleted file mode 100644 index 29290c99c..000000000 --- a/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended.conf +++ /dev/null @@ -1,5 +0,0 @@ -@INLINE@ test_exchange_api_keys_cherry_picking.conf - -[exchange] -# Lengthen over original value (60 s) -LOOKAHEAD_SIGN = 100 s diff --git a/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended_2.conf b/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended_2.conf deleted file mode 100644 index cfa8b1347..000000000 --- a/src/exchange-lib/test_exchange_api_keys_cherry_picking_extended_2.conf +++ /dev/null @@ -1,5 +0,0 @@ -@INLINE@ test_exchange_api_keys_cherry_picking_extended.conf - -[exchange] -# Lengthen over firstly extended value (100 s) -LOOKAHEAD_SIGN = 1500 s diff --git a/src/exchange-lib/test_exchange_api_keys_cherry_picking_new.c b/src/exchange-lib/test_exchange_api_keys_cherry_picking_new.c deleted file mode 100644 index 45222a66c..000000000 --- a/src/exchange-lib/test_exchange_api_keys_cherry_picking_new.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/test_exchange_api_keys_cherry_picking_new.c - * @brief testcase to test exchange's /keys cherry picking ability - * @author Marcello Stanisci - * @author Christian Grothoff - */ - -#include "platform.h" -#include "taler_util.h" -#include "taler_signatures.h" -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_util_lib.h> -#include <microhttpd.h> -#include "taler_bank_service.h" -#include "taler_fakebank_lib.h" -#include "taler_testing_lib.h" - -/** - * Configuration file we use. One (big) configuration is used - * for the various components for this test. - */ -#define CONFIG_FILE "test_exchange_api_keys_cherry_picking.conf" - -/** - * Used to increase the number of denomination keys. - */ -#define CONFIG_FILE_EXTENDED \ - "test_exchange_api_keys_cherry_picking_extended.conf" - -/** - * Used to increase the number of denomination keys. - */ -#define CONFIG_FILE_EXTENDED_2 \ - "test_exchange_api_keys_cherry_picking_extended_2.conf" - -/** - * Exchange base URL; mainly purpose is to make the compiler happy. - */ -static char *exchange_url; - -/** - * Auditor base URL; mainly purpose is to make the compiler happy. - */ -static char *auditor_url; - - -/** - * Main function that will tell the interpreter what commands to - * run. - * - * @param cls closure - */ -static void -run (void *cls, - struct TALER_TESTING_Interpreter *is) -{ - - struct TALER_TESTING_Command keys_serialization[] = { - - /** - * Serialize keys, and disconnect from the exchange. - */ - TALER_TESTING_cmd_serialize_keys ("serialize-keys"), - - /** - * Reconnect to the exchange using the serialized keys. - */ - TALER_TESTING_cmd_connect_with_state ("reconnect-with-state", - "serialize-keys"), - - TALER_TESTING_cmd_wire ("verify-/wire-with-serialized-keys", - "x-taler-bank", - NULL, - MHD_HTTP_OK), - - TALER_TESTING_cmd_exec_keyup ("keyup-serialization", - CONFIG_FILE_EXTENDED_2), - - TALER_TESTING_cmd_exec_auditor_sign - ("auditor-sign-serialization", - CONFIG_FILE_EXTENDED_2), - - TALER_TESTING_cmd_sleep ("sleep-serialization", - 3), - - TALER_TESTING_cmd_signal ("reload-keys-serialization", - is->exchanged, - SIGUSR1), - - TALER_TESTING_cmd_sleep ("sleep-serialization", - 3), - - /** - * XXX. - * - * Current bug: this CMD here uses the "reconnect cert_cb", - * that has its 'consumed' field already set to GNUNET_YES. - * This way, there is no way to pass control to the next - * CMD making therefore the interpreter stuck. - * - * Doable solution: adapt the global "cert_cb" to handle - * "reconnect situations", or even provide some method to - * switch the 'consumed' field back to GNUNET_NO. - */ - TALER_TESTING_cmd_check_keys ("check-freshest-keys", - 4, - 10), - - TALER_TESTING_cmd_wire ("verify-/wire-with-fresh-keys", - "x-taler-bank", - NULL, - MHD_HTTP_OK), - TALER_TESTING_cmd_end () - }; - - struct TALER_TESTING_Command commands[] = { - /* Trigger keys reloading from disk. */ - TALER_TESTING_cmd_signal ("signal-reaction-1", - is->exchanged, - SIGUSR1), - - TALER_TESTING_cmd_check_keys ("check-keys-1", - 1, - 4), - /* sleep a bit */ - TALER_TESTING_cmd_sleep ("sleep", - 10), - - /* 1st keyup happens at start-up */ - TALER_TESTING_cmd_exec_keyup ("keyup-2", - CONFIG_FILE_EXTENDED), - - TALER_TESTING_cmd_exec_auditor_sign ("sign-keys-1", - CONFIG_FILE_EXTENDED), - - /* Cause exchange to reload (new) keys */ - TALER_TESTING_cmd_signal ("trigger-keys-reload-1", - is->exchanged, - SIGUSR1), - - TALER_TESTING_cmd_check_keys ("check-keys-2", - 2, - 6), - /* sleep a bit */ - TALER_TESTING_cmd_sleep ("sleep", - 20), - - /* Do 2nd keyup */ - TALER_TESTING_cmd_exec_keyup ("keyup-3", - CONFIG_FILE_EXTENDED), - - TALER_TESTING_cmd_exec_auditor_sign ("sign-keys-2", - CONFIG_FILE), - - TALER_TESTING_cmd_signal ("trigger-keys-reload-2", - is->exchanged, - SIGUSR1), - - TALER_TESTING_cmd_check_keys ("check-keys-3", - 3, - 8), - - TALER_TESTING_cmd_batch ("keys-serialization", - keys_serialization), - TALER_TESTING_cmd_end () - }; - - TALER_TESTING_run (is, - commands); -} - - -int -main (int argc, - char * const *argv) -{ - /* These environment variables get in the way... */ - unsetenv ("XDG_DATA_HOME"); - unsetenv ("XDG_CONFIG_HOME"); - GNUNET_log_setup ("test-exchange-api-cherry-picking-new", - "DEBUG", NULL); - TALER_TESTING_cleanup_files (CONFIG_FILE); - /* @helpers. Run keyup, create tables, ... Note: it - * fetches the port number from config in order to see - * if it's available. */ - switch (TALER_TESTING_prepare_exchange (CONFIG_FILE, - &auditor_url, - &exchange_url)) - { - case GNUNET_SYSERR: - GNUNET_break (0); - return 1; - case GNUNET_NO: - return 77; - case GNUNET_OK: - if (GNUNET_OK != - /* Set up event loop and reschedule context, plus - * start/stop the exchange. It calls TALER_TESTING_setup - * which creates the 'is' object. - */ - TALER_TESTING_setup_with_exchange (&run, - NULL, - CONFIG_FILE)) - return 1; - break; - default: - GNUNET_break (0); - return 1; - } - return 0; -} - -/* end of test_exchange_api_keys_cherry_picking_new.c */ diff --git a/src/exchange-lib/test_exchange_api_new.c b/src/exchange-lib/test_exchange_api_new.c deleted file mode 100644 index bcbdb5ea4..000000000 --- a/src/exchange-lib/test_exchange_api_new.c +++ /dev/null @@ -1,1001 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange/test_exchange_api_new.c - * @brief testcase to test exchange's HTTP API interface - * @author Sree Harsha Totakura <sreeharsha@totakura.in> - * @author Christian Grothoff - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_util.h" -#include "taler_signatures.h" -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_util_lib.h> -#include <microhttpd.h> -#include "taler_bank_service.h" -#include "taler_fakebank_lib.h" -#include "taler_testing_lib.h" - -/** - * Configuration file we use. One (big) configuration is used - * for the various components for this test. - */ -#define CONFIG_FILE "test_exchange_api.conf" - -#define CONFIG_FILE_EXPIRE_RESERVE_NOW "test_exchange_api_expire_reserve_now.conf" - -/** - * Is the configuration file is set to include wire format 'ebics'? - * Requires that EBICS /history function is implemented, which it - * is currently not. Once it is, set ENABLE_CREDIT to YES in the - * configuration and then set this option to 1. - */ -#define WIRE_EBICS 0 - -/** - * URL of the fakebank. Obtained from CONFIG_FILE's - * "exchange-wire-test:BANK_URI" option. - */ -static char *fakebank_url; - -/** - * Exchange base URL as it appears in the configuration. Note - * that it might differ from the one where the exchange actually - * listens from. - */ -static char *exchange_url; - -/** - * Auditor base URL as it appears in the configuration. Note - * that it might differ from the one where the auditor actually - * listens from. - */ -static char *auditor_url; - -/** - * Account number of the exchange at the bank. - */ -#define EXCHANGE_ACCOUNT_NO 2 - -/** - * Account number of some user. - */ -#define USER_ACCOUNT_NO 42 - -/** - * User name. Never checked by fakebank. - */ -#define USER_LOGIN_NAME "user42" - -/** - * User password. Never checked by fakebank. - */ -#define USER_LOGIN_PASS "pass42" - -/** - * Execute the taler-exchange-wirewatch command with - * our configuration file. - * - * @param label label to use for the command. - */ -#define CMD_EXEC_WIREWATCH(label) \ - TALER_TESTING_cmd_exec_wirewatch (label, CONFIG_FILE) - -/** - * Execute the taler-exchange-aggregator command with - * our configuration file. - * - * @param label label to use for the command. - */ -#define CMD_EXEC_AGGREGATOR(label) \ - TALER_TESTING_cmd_exec_aggregator (label, CONFIG_FILE) - -/** - * Run wire transfer of funds from some user's account to the - * exchange. - * - * @param label label to use for the command. - * @param amount amount to transfer, i.e. "EUR:1" - */ -#define CMD_TRANSFER_TO_EXCHANGE(label,amount) \ - TALER_TESTING_cmd_fakebank_transfer (label, amount, \ - fakebank_url, USER_ACCOUNT_NO, EXCHANGE_ACCOUNT_NO, \ - USER_LOGIN_NAME, USER_LOGIN_PASS, exchange_url) - -/** - * Run wire transfer of funds from some user's account to the - * exchange. - * - * @param label label to use for the command. - * @param amount amount to transfer, i.e. "EUR:1" - */ -#define CMD_TRANSFER_TO_EXCHANGE_SUBJECT(label,amount,subject) \ - TALER_TESTING_cmd_fakebank_transfer_with_subject \ - (label, amount, fakebank_url, USER_ACCOUNT_NO, \ - EXCHANGE_ACCOUNT_NO, USER_LOGIN_NAME, USER_LOGIN_PASS, \ - subject, exchange_url) - -/** - * Main function that will tell the interpreter what commands to - * run. - * - * @param cls closure - */ -static void -run (void *cls, - struct TALER_TESTING_Interpreter *is) -{ - - /** - * Checks made against /wire response. - */ - struct TALER_TESTING_Command wire[] = { - /** - * Check if 'x-taler-bank' wire method is offered - * by the exchange. - */ - TALER_TESTING_cmd_wire ("wire-taler-bank-1", - "x-taler-bank", - NULL, - MHD_HTTP_OK), - #if WIRE_EBICS - /** - * Check if 'ebics' wire method is offered by the exchange. - */ - TALER_TESTING_cmd_wire ("wire-sepa-1", - "ebics", - NULL, - MHD_HTTP_OK), - #endif - - TALER_TESTING_cmd_end () - }; - - /** - * Test withdrawal plus spending. - */ - struct TALER_TESTING_Command withdraw[] = { - - /** - * Move money to the exchange's bank account. - */ - CMD_TRANSFER_TO_EXCHANGE ("create-reserve-1", - "EUR:5.01"), - - /** - * Make a reserve exist, according to the previous - * transfer. - */ - CMD_EXEC_WIREWATCH ("wirewatch-1"), - - - /** - * Withdraw EUR:5. - */ - TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-1", - "create-reserve-1", - "EUR:5", - MHD_HTTP_OK), - - /** - * Check the reserve is depleted. - */ - TALER_TESTING_cmd_status ("status-1", - "create-reserve-1", - "EUR:0", - MHD_HTTP_OK), - - TALER_TESTING_cmd_end () - }; - - struct TALER_TESTING_Command spend[] = { - /** - * Spend the coin. - */ - TALER_TESTING_cmd_deposit - ("deposit-simple", "withdraw-coin-1", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_OK), - - /** - * Try to overdraw. - */ - TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-2", - "create-reserve-1", - "EUR:5", - MHD_HTTP_FORBIDDEN), - - /** - * Try to double spend using different wire details. - */ - TALER_TESTING_cmd_deposit - ("deposit-double-1", "withdraw-coin-1", 0, - TALER_TESTING_make_wire_details (43, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_FORBIDDEN), - - /** - * Try to double spend using a different transaction id. - * (copied verbatim from old exchange-lib tests.) - * FIXME: how can it get a different transaction id? There - * isn't such a thing actually, the exchange only knows about - * contract terms' hashes. So since the contract terms are - * exactly the same as the previous command, - * how can a different id be generated? - */ - TALER_TESTING_cmd_deposit - ("deposit-double-1", "withdraw-coin-1", 0, - TALER_TESTING_make_wire_details (43, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_FORBIDDEN), - - /** - * Try to double spend with different proposal. - */ - TALER_TESTING_cmd_deposit - ("deposit-double-2", "withdraw-coin-1", 0, - TALER_TESTING_make_wire_details (43, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\"value\":2}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_FORBIDDEN), - - TALER_TESTING_cmd_end () - }; - - - struct TALER_TESTING_Command refresh[] = { - - /** - * Fill reserve with EUR:5, 1ct is for fees. NOTE: the old - * test-suite gave a account number of _424_ to the user at - * this step; to type less, here the _42_ number is reused. - * Does this change the tests semantics? - */ - CMD_TRANSFER_TO_EXCHANGE ("refresh-create-reserve-1", - "EUR:5.01"), - - /** - * Make previous command effective. - */ - CMD_EXEC_WIREWATCH ("wirewatch-2"), - - /** - * Withdraw EUR:5. - */ - TALER_TESTING_cmd_withdraw_amount - ("refresh-withdraw-coin-1", - "refresh-create-reserve-1", - "EUR:5", - MHD_HTTP_OK), - /** - * Try to partially spend (deposit) 1 EUR of the 5 EUR coin - * (in full) (merchant would receive EUR:0.99 due to 1 ct - * deposit fee) - */ - TALER_TESTING_cmd_deposit - ("refresh-deposit-partial", - "refresh-withdraw-coin-1", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\ - \"value\":\"EUR:1\"}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), - - /** - * Melt the rest of the coin's value - * (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */ - TALER_TESTING_cmd_refresh_melt_double - ("refresh-melt-1", "EUR:4", - "refresh-withdraw-coin-1", MHD_HTTP_OK), - /** - * Complete (successful) melt operation, and - * withdraw the coins - */ - TALER_TESTING_cmd_refresh_reveal - ("refresh-reveal-1", - "refresh-melt-1", MHD_HTTP_OK), - - /** - * Do it again to check idempotency - */ - TALER_TESTING_cmd_refresh_reveal - ("refresh-reveal-1-idempotency", - "refresh-melt-1", MHD_HTTP_OK), - - /** - * Test that /refresh/link works - */ - TALER_TESTING_cmd_refresh_link - ("refresh-link-1", - "refresh-reveal-1", MHD_HTTP_OK), - - /** - * Try to spend a refreshed EUR:1 coin - */ - TALER_TESTING_cmd_deposit - ("refresh-deposit-refreshed-1a", - "refresh-reveal-1-idempotency", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\ - \"value\":3}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_OK), - - /** - * Try to spend a refreshed EUR:0.1 coin - */ - TALER_TESTING_cmd_deposit - ("refresh-deposit-refreshed-1b", - "refresh-reveal-1", 3, - TALER_TESTING_make_wire_details (43, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\ - \"value\":3}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:0.1", MHD_HTTP_OK), - - /* Test running a failing melt operation (same operation - * again must fail) */ - TALER_TESTING_cmd_refresh_melt - ("refresh-melt-failing", "EUR:4", - "refresh-withdraw-coin-1", MHD_HTTP_FORBIDDEN), - - /* FIXME: also test with coin that was already melted - * (signature differs from coin that was deposited...) */ - - TALER_TESTING_cmd_end () - }; - - struct TALER_TESTING_Command track[] = { - /** - * Try resolving a deposit's WTID, as we never triggered - * execution of transactions, the answer should be that - * the exchange knows about the deposit, but has no WTID yet. - */ - TALER_TESTING_cmd_track_transaction - ("deposit-wtid-found", - "deposit-simple", 0, MHD_HTTP_ACCEPTED, NULL), - - /** - * Try resolving a deposit's WTID for a failed deposit. - * As the deposit failed, the answer should be that the - * exchange does NOT know about the deposit. - */ - TALER_TESTING_cmd_track_transaction - ("deposit-wtid-failing", - "deposit-double-2", 0, MHD_HTTP_NOT_FOUND, NULL), - - /** - * Try resolving an undefined (all zeros) WTID; this - * should fail as obviously the exchange didn't use that - * WTID value for any transaction. - */ - TALER_TESTING_cmd_track_transfer_empty - ("wire-deposit-failing", - NULL, 0, MHD_HTTP_NOT_FOUND), - - /** - * Run transfers. Note that _actual_ aggregation will NOT - * happen here, as each deposit operation is run with a - * fresh merchant public key! NOTE: this comment comes - * "verbatim" from the old test-suite, and IMO does not explain - * a lot! - */ - CMD_EXEC_AGGREGATOR ("run-aggregator"), - - /** - * Check all the transfers took place. - */ - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-499c", exchange_url, - "EUR:4.98", 2, 42), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-99c1", exchange_url, - "EUR:0.98", 2, 42), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-99c2", exchange_url, - "EUR:0.98", 2, 42), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-99c", exchange_url, - "EUR:0.08", 2, 43), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-aai-1", exchange_url, - "EUR:5.01", 42, 2), - - /** - * NOTE: the old test-suite had this "check bank transfer" - * command with debit account == 424. - */ - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-aai-2", exchange_url, - "EUR:5.01", 42, 2), - - TALER_TESTING_cmd_check_bank_empty ("check_bank_empty"), - - TALER_TESTING_cmd_track_transaction - ("deposit-wtid-ok", - "deposit-simple", 0, MHD_HTTP_OK, "check_bank_transfer-499c"), - - TALER_TESTING_cmd_track_transfer - ("wire-deposit-success-bank", - "check_bank_transfer-99c1", 0, MHD_HTTP_OK, "EUR:0.98", - "EUR:0.01"), - - TALER_TESTING_cmd_track_transfer - ("wire-deposits-success-wtid", - "deposit-wtid-ok", 0, MHD_HTTP_OK, "EUR:4.98", - "EUR:0.01"), - - TALER_TESTING_cmd_end () - }; - - - /** - * This block checks whether a wire deadline - * very far in the future does NOT get aggregated now. - */ - struct TALER_TESTING_Command unaggregation[] = { - - TALER_TESTING_cmd_check_bank_empty - ("far-future-aggregation-a"), - - CMD_TRANSFER_TO_EXCHANGE ("create-reserve-unaggregated", - "EUR:5.01"), - - CMD_EXEC_WIREWATCH ("wirewatch-unaggregated"), - - /* "consume" reserve creation transfer. */ - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-unaggregated", - exchange_url, - "EUR:5.01", - 42, - 2), - - TALER_TESTING_cmd_withdraw_amount - ("withdraw-coin-unaggregated", - "create-reserve-unaggregated", - "EUR:5", - MHD_HTTP_OK), - - TALER_TESTING_cmd_deposit - ("deposit-unaggregated", - "withdraw-coin-unaggregated", - 0, - TALER_TESTING_make_wire_details - (43, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\"value\":1}]}", - GNUNET_TIME_relative_multiply - (GNUNET_TIME_UNIT_YEARS, - 3000), - "EUR:5", - MHD_HTTP_OK), - - CMD_EXEC_AGGREGATOR ("aggregation-attempt"), - - TALER_TESTING_cmd_check_bank_empty - ("far-future-aggregation-b"), - - TALER_TESTING_cmd_end () - }; - - - struct TALER_TESTING_Command refund[] = { - - /** - * Fill reserve with EUR:5.01, as withdraw fee is 1 ct per - * config. - */ - CMD_TRANSFER_TO_EXCHANGE ("create-reserve-r1", - "EUR:5.01"), - - - /** - * Run wire-watch to trigger the reserve creation. - */ - CMD_EXEC_WIREWATCH ("wirewatch-3"), - - /* Withdraw a 5 EUR coin, at fee of 1 ct */ - TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-r1", - "create-reserve-r1", - "EUR:5", - MHD_HTTP_OK), - /** - * Spend 5 EUR of the 5 EUR coin (in full) (merchant would - * receive EUR:4.99 due to 1 ct deposit fee) - */ - TALER_TESTING_cmd_deposit - ("deposit-refund-1", "withdraw-coin-r1", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\"," - "\"value\":\"EUR:5\"}]}", - GNUNET_TIME_UNIT_MINUTES, "EUR:5", MHD_HTTP_OK), - - - /** - * Run transfers. Should do nothing as refund deadline blocks - * it - */ - CMD_EXEC_AGGREGATOR ("run-aggregator-refund"), - - /** - * Check that aggregator didn't do anything, as expected. - * Note, this operation takes two commands: one to "flush" - * the preliminary transfer (used to withdraw) from the - * fakebank and the second to actually check there are not - * other transfers around. - */ - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-pre-refund", exchange_url, - "EUR:5.01", 42, 2), - - TALER_TESTING_cmd_check_bank_empty - ("check_bank_transfer-pre-refund"), - - TALER_TESTING_cmd_refund - ("refund-ok", MHD_HTTP_OK, - "EUR:5", "EUR:0.01", "deposit-refund-1"), - - TALER_TESTING_cmd_refund - ("refund-ok-double", MHD_HTTP_OK, - "EUR:5", "EUR:0.01", "deposit-refund-1"), - - /* Previous /refund(s) had id == 0. */ - TALER_TESTING_cmd_refund_with_id - ("refund-conflicting", MHD_HTTP_CONFLICT, - "EUR:5", "EUR:0.01", "deposit-refund-1", 1), - - /** - * Spend 4.99 EUR of the refunded 4.99 EUR coin (1ct gone - * due to refund) (merchant would receive EUR:4.98 due to - * 1 ct deposit fee) */ - TALER_TESTING_cmd_deposit - ("deposit-refund-2", "withdraw-coin-r1", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"more ice cream\"," - "\"value\":\"EUR:5\"}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:4.99", MHD_HTTP_OK), - - - /** - * Run transfers. This will do the transfer as refund deadline - * was 0 - */ - CMD_EXEC_AGGREGATOR ("run-aggregator-3"), - - /** - * Check that deposit did run. - */ - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-pre-refund", exchange_url, - "EUR:4.97", 2, 42), - - /** - * Run failing refund, as past deadline & aggregation. - */ - TALER_TESTING_cmd_refund - ("refund-fail", MHD_HTTP_GONE, - "EUR:4.99", "EUR:0.01", "deposit-refund-2"), - - TALER_TESTING_cmd_check_bank_empty - ("check-empty-after-refund"), - - /** - * Test refunded coins are never executed, even past - * refund deadline - */ - CMD_TRANSFER_TO_EXCHANGE ("create-reserve-rb", - "EUR:5.01"), - - CMD_EXEC_WIREWATCH ("wirewatch-rb"), - - TALER_TESTING_cmd_withdraw_amount ("withdraw-coin-rb", - "create-reserve-rb", - "EUR:5", - MHD_HTTP_OK), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-aai-3b", exchange_url, - "EUR:5.01", 42, 2), - - - TALER_TESTING_cmd_deposit - ("deposit-refund-1b", "withdraw-coin-rb", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\"," - "\"value\":\"EUR:5\"}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:5", MHD_HTTP_OK), - - /** - * Trigger refund (before aggregator had a chance to execute - * deposit, even though refund deadline was zero). - */ - TALER_TESTING_cmd_refund - ("refund-ok-fast", MHD_HTTP_OK, - "EUR:5", "EUR:0.01", "deposit-refund-1b"), - - /** - * Run transfers. This will do the transfer as refund deadline - * was 0, except of course because the refund succeeded, the - * transfer should no longer be done. - */ - CMD_EXEC_AGGREGATOR ("run-aggregator-3b"), - - /* check that aggregator didn't do anything, as expected */ - TALER_TESTING_cmd_check_bank_empty - ("check-refund-fast-not-run"), - - TALER_TESTING_cmd_end () - }; - - struct TALER_TESTING_Command payback[] = { - /** - * Fill reserve with EUR:5.01, as withdraw fee is 1 ct per - * config. - */ - CMD_TRANSFER_TO_EXCHANGE ("payback-create-reserve-1", - "EUR:5.01"), - - /** - * Run wire-watch to trigger the reserve creation. - */ - CMD_EXEC_WIREWATCH ("wirewatch-4"), - - /* Withdraw a 5 EUR coin, at fee of 1 ct */ - TALER_TESTING_cmd_withdraw_amount ("payback-withdraw-coin-1", - "payback-create-reserve-1", - "EUR:5", - MHD_HTTP_OK), - /* Make coin invalid */ - TALER_TESTING_cmd_revoke ("revoke-1", - MHD_HTTP_OK, - "payback-withdraw-coin-1", - CONFIG_FILE), - - /* Refund coin to bank account */ - TALER_TESTING_cmd_payback ("payback-1", - MHD_HTTP_OK, - "payback-withdraw-coin-1", - "EUR:5"), - - /* Check the money is back with the reserve */ - TALER_TESTING_cmd_status ("payback-reserve-status-1", - "payback-create-reserve-1", - "EUR:5.0", - MHD_HTTP_OK), - - /* Re-withdraw from this reserve */ - TALER_TESTING_cmd_withdraw_amount ("payback-withdraw-coin-2", - "payback-create-reserve-1", - "EUR:1", - MHD_HTTP_OK), - - /** - * This withdrawal will test the logic to create a "payback" - * element to insert into the reserve's history. - */ - TALER_TESTING_cmd_withdraw_amount - ("payback-withdraw-coin-2-over", - "payback-create-reserve-1", - "EUR:10", - MHD_HTTP_FORBIDDEN), - - TALER_TESTING_cmd_status ("payback-reserve-status-2", - "payback-create-reserve-1", - "EUR:3.99", - MHD_HTTP_OK), - - /** - * These commands should close the reserve because - * the aggregator is given a config file that ovverrides - * the reserve expiration time (making it now-ish) - */ - CMD_TRANSFER_TO_EXCHANGE - ("short-lived-reserve", - "EUR:5.01"), - - TALER_TESTING_cmd_exec_wirewatch - ("short-lived-aggregation", - CONFIG_FILE_EXPIRE_RESERVE_NOW), - - TALER_TESTING_cmd_exec_aggregator - ("close-reserves", - CONFIG_FILE_EXPIRE_RESERVE_NOW), - - TALER_TESTING_cmd_status ("short-lived-status", - "short-lived-reserve", - "EUR:0", - MHD_HTTP_OK), - - TALER_TESTING_cmd_withdraw_amount - ("expired-withdraw", - "short-lived-reserve", - "EUR:1", - MHD_HTTP_FORBIDDEN), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_short-lived_transfer", - exchange_url, - "EUR:5.01", - 42, - 2), - - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_short-lived_reimburse", - exchange_url, - "EUR:5", - 2, - 42), - - /** - * Fill reserve with EUR:2.02, as withdraw fee is 1 ct per - * config, then withdraw two coin, partially spend one, and - * then have the rest paid back. Check deposit of other coin - * fails. (Do not use EUR:5 here as the EUR:5 coin was - * revoked and we did not bother to create a new one...) - */ - CMD_TRANSFER_TO_EXCHANGE ("payback-create-reserve-2", - "EUR:2.02"), - - /* Make previous command effective. */ - CMD_EXEC_WIREWATCH ("wirewatch-5"), - - /* Withdraw a 1 EUR coin, at fee of 1 ct */ - TALER_TESTING_cmd_withdraw_amount ("payback-withdraw-coin-2a", - "payback-create-reserve-2", - "EUR:1", - MHD_HTTP_OK), - - /* Withdraw a 1 EUR coin, at fee of 1 ct */ - TALER_TESTING_cmd_withdraw_amount ("payback-withdraw-coin-2b", - "payback-create-reserve-2", - "EUR:1", - MHD_HTTP_OK), - - TALER_TESTING_cmd_deposit - ("payback-deposit-partial", - "payback-withdraw-coin-2a", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"more ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:0.5", MHD_HTTP_OK), - - - TALER_TESTING_cmd_revoke ("revoke-2", MHD_HTTP_OK, - "payback-withdraw-coin-2a", - CONFIG_FILE), - - TALER_TESTING_cmd_payback ("payback-2", MHD_HTTP_OK, - "payback-withdraw-coin-2a", - "EUR:0.5"), - - TALER_TESTING_cmd_payback ("payback-2b", MHD_HTTP_FORBIDDEN, - "payback-withdraw-coin-2a", - "EUR:0.5"), - - TALER_TESTING_cmd_deposit - ("payback-deposit-revoked", - "payback-withdraw-coin-2b", 0, - TALER_TESTING_make_wire_details (42, - fakebank_url), - "{\"items\":[{\"name\":\"more ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, "EUR:1", MHD_HTTP_NOT_FOUND), - - - /* Test deposit fails after payback, with proof in payback */ - - /* FIXME: #3887: right now, the exchange will never return the - * coin's transaction history with payback data, as we get a - * 404 on the DK! */ - TALER_TESTING_cmd_deposit - ("payback-deposit-partial-after-payback", - "payback-withdraw-coin-2a", - 0, - TALER_TESTING_make_wire_details - (42, - fakebank_url), - "{\"items\":[{\"name\":\"extra ice cream\",\"value\":1}]}", - GNUNET_TIME_UNIT_ZERO, - "EUR:0.5", - MHD_HTTP_NOT_FOUND), - - /* Test that revoked coins cannot be withdrawn */ - CMD_TRANSFER_TO_EXCHANGE ("payback-create-reserve-3", - "EUR:1.01"), - - CMD_EXEC_WIREWATCH ("wirewatch-6"), - - TALER_TESTING_cmd_withdraw_amount - ("payback-withdraw-coin-3-revoked", - "payback-create-reserve-3", - "EUR:1", - MHD_HTTP_NOT_FOUND), - - /* check that we are empty before the rejection test */ - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-pr1", exchange_url, - "EUR:5.01", 42, 2), - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-pr2", exchange_url, - "EUR:2.02", 42, 2), - TALER_TESTING_cmd_check_bank_transfer - ("check_bank_transfer-pr3", exchange_url, - "EUR:1.01", 42, 2), - - TALER_TESTING_cmd_check_bank_empty - ("check-empty-again"), - - /* Test rejection of bogus wire transfers */ - CMD_TRANSFER_TO_EXCHANGE_SUBJECT - ("bogus-subject", - "EUR:1.01", - "not a reserve public key"), - - CMD_EXEC_WIREWATCH ("wirewatch-7"), - - TALER_TESTING_cmd_check_bank_empty - ("check-empty-from-reject"), - - TALER_TESTING_cmd_end () - }; - - #define RESERVE_OPEN_CLOSE_CHUNK 4 - #define RESERVE_OPEN_CLOSE_ITERATIONS 3 - #define CONSTANT_KEY \ - "09QGYPEKNHBACK135BNXZFHA0YTQXT1KJDRVXF4J822G99AYNQ8G" - - struct TALER_TESTING_Command reserve_open_close - [(RESERVE_OPEN_CLOSE_ITERATIONS - * RESERVE_OPEN_CLOSE_CHUNK) + 1]; - - for (unsigned int i = 0; - i < RESERVE_OPEN_CLOSE_ITERATIONS; - i++) - { - reserve_open_close[i * RESERVE_OPEN_CLOSE_CHUNK] - = CMD_TRANSFER_TO_EXCHANGE_SUBJECT - ("reserve-open-close-key", - "EUR:20", - CONSTANT_KEY); - - reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 1] - = TALER_TESTING_cmd_exec_wirewatch - ("reserve-open-close-wirewatch", - CONFIG_FILE_EXPIRE_RESERVE_NOW); - - reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 2] - = TALER_TESTING_cmd_exec_aggregator - ("reserve-open-close-aggregation", - CONFIG_FILE_EXPIRE_RESERVE_NOW); - - reserve_open_close[(i * RESERVE_OPEN_CLOSE_CHUNK) + 3] - = TALER_TESTING_cmd_status ("reserve-open-close-status", - "reserve-open-close-key", - "EUR:0", - MHD_HTTP_OK); - } - reserve_open_close - [RESERVE_OPEN_CLOSE_ITERATIONS * RESERVE_OPEN_CLOSE_CHUNK] - = TALER_TESTING_cmd_end (); - - struct TALER_TESTING_Command commands[] = { - - TALER_TESTING_cmd_batch ("wire", - wire), - - TALER_TESTING_cmd_batch ("withdraw", - withdraw), - - TALER_TESTING_cmd_batch ("spend", - spend), - - TALER_TESTING_cmd_batch ("refresh", - refresh), - - TALER_TESTING_cmd_batch ("track", - track), - - TALER_TESTING_cmd_batch ("unaggregation", - unaggregation), - - TALER_TESTING_cmd_batch ("refund", - refund), - - TALER_TESTING_cmd_batch ("payback", - payback), - /* Fix #5462. */ - TALER_TESTING_cmd_batch ("reserve-open-close", - reserve_open_close), - /** - * End the suite. Fixme: better to have a label for this - * too, as it shows as "(null)" on logs. - */ - TALER_TESTING_cmd_end () - }; - - TALER_TESTING_run_with_fakebank (is, - commands, - fakebank_url); -} - - -int -main (int argc, - char * const *argv) -{ - /* These environment variables get in the way... */ - unsetenv ("XDG_DATA_HOME"); - unsetenv ("XDG_CONFIG_HOME"); - GNUNET_log_setup ("test-exchange-api-new", - "INFO", - NULL); - if (NULL == (fakebank_url - /* Check fakebank port is available and config cares - * about bank url. */ - = TALER_TESTING_prepare_fakebank (CONFIG_FILE, - "account-2"))) - return 77; - TALER_TESTING_cleanup_files (CONFIG_FILE); - /* @helpers. Run keyup, create tables, ... Note: it - * fetches the port number from config in order to see - * if it's available. */ - switch (TALER_TESTING_prepare_exchange (CONFIG_FILE, - &auditor_url, - &exchange_url)) - { - case GNUNET_SYSERR: - GNUNET_break (0); - return 1; - case GNUNET_NO: - return 77; - case GNUNET_OK: - if (GNUNET_OK != - /* Set up event loop and reschedule context, plus - * start/stop the exchange. It calls TALER_TESTING_setup - * which creates the 'is' object. - */ - TALER_TESTING_setup_with_exchange (&run, - NULL, - CONFIG_FILE)) - return 1; - break; - default: - GNUNET_break (0); - return 1; - } - return 0; -} - -/* end of test_exchange_api_new.c */ diff --git a/src/exchange-lib/test_exchange_api_overlapping_keys_bug.c b/src/exchange-lib/test_exchange_api_overlapping_keys_bug.c deleted file mode 100755 index d1fd7123b..000000000 --- a/src/exchange-lib/test_exchange_api_overlapping_keys_bug.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/test_exchange_api_keys_cherry_picking_new.c - * @brief testcase to test exchange's /keys cherry picking ability - * @author Marcello Stanisci - * @author Christian Grothoff - */ - -#include "platform.h" -#include "taler_util.h" -#include "taler_signatures.h" -#include "taler_exchange_service.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_util_lib.h> -#include <microhttpd.h> -#include "taler_bank_service.h" -#include "taler_fakebank_lib.h" -#include "taler_testing_lib.h" - -/** - * Configuration file we use. One (big) configuration is used - * for the various components for this test. - */ -#define CONFIG_FILE "test_exchange_api_keys_cherry_picking.conf" - -/** - * Used to increase the number of denomination keys. - */ -#define CONFIG_FILE_EXTENDED \ - "test_exchange_api_keys_cherry_picking_extended.conf" - -/** - * Used to increase the number of denomination keys. - */ -#define CONFIG_FILE_EXTENDED_2 \ - "test_exchange_api_keys_cherry_picking_extended_2.conf" - -/** - * Exchange base URL; mainly purpose is to make the compiler happy. - */ -static char *exchange_url; - -/** - * Auditor base URL; mainly purpose is to make the compiler happy. - */ -static char *auditor_url; - - -/** - * Main function that will tell the interpreter what commands to - * run. - * - * @param cls closure - */ -static void -run (void *cls, - struct TALER_TESTING_Interpreter *is) -{ - - struct TALER_TESTING_Command commands[] = { - - TALER_TESTING_cmd_check_keys ("first-download", - 1, - 4), - - TALER_TESTING_cmd_check_keys ("second-download", - 2, - 6), - TALER_TESTING_cmd_end () - }; - - TALER_TESTING_run (is, - commands); -} - - -int -main (int argc, - char * const *argv) -{ - /* These environment variables get in the way... */ - unsetenv ("XDG_DATA_HOME"); - unsetenv ("XDG_CONFIG_HOME"); - GNUNET_log_setup ("test-exchange-api-cherry-picking-new", - "DEBUG", NULL); - TALER_TESTING_cleanup_files (CONFIG_FILE); - /* @helpers. Run keyup, create tables, ... Note: it - * fetches the port number from config in order to see - * if it's available. */ - switch (TALER_TESTING_prepare_exchange (CONFIG_FILE, - &auditor_url, - &exchange_url)) - { - case GNUNET_SYSERR: - GNUNET_break (0); - return 1; - case GNUNET_NO: - return 77; - case GNUNET_OK: - if (GNUNET_OK != - /* Set up event loop and reschedule context, plus - * start/stop the exchange. It calls TALER_TESTING_setup - * which creates the 'is' object. - */ - TALER_TESTING_setup_with_exchange (&run, - NULL, - CONFIG_FILE)) - return 1; - break; - default: - GNUNET_break (0); - return 1; - } - return 0; -} - -/* end of test_exchange_api_keys_cherry_picking_new.c */ diff --git a/src/exchange-lib/test_exchange_api_twisted.c b/src/exchange-lib/test_exchange_api_twisted.c deleted file mode 100644 index 1c5300586..000000000 --- a/src/exchange-lib/test_exchange_api_twisted.c +++ /dev/null @@ -1,399 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange/test_exchange_api_twister.c - * @brief testcase to test exchange's HTTP API interface - * @author Marcello Stanisci - * @author Sree Harsha Totakura <sreeharsha@totakura.in> - * @author Christian Grothoff - */ - -#include "platform.h" -#include <taler/taler_util.h> -#include <taler/taler_signatures.h> -#include <taler/taler_exchange_service.h> -#include <taler/taler_json_lib.h> -#include <gnunet/gnunet_util_lib.h> -#include <microhttpd.h> -#include <taler/taler_bank_service.h> -#include <taler/taler_fakebank_lib.h> -#include <taler/taler_testing_lib.h> -#include <taler/taler_twister_testing_lib.h> -#include <taler/taler_twister_service.h> - -/** - * Configuration file we use. One (big) configuration is used - * for the various components for this test. - */ -#define CONFIG_FILE "test_exchange_api_twisted.conf" - -/** - * (real) Twister URL. Used at startup time to check if it runs. - */ -static char *twister_url; - -/** - * URL of the fakebank. Obtained from CONFIG_FILE's - * "exchange-wire-test:BANK_URI" option. - */ -static char *fakebank_url; - -/** - * Exchange base URL. - */ -static char *exchange_url; - -/** - * Auditor URL, unused but needed to achieve compilation. - */ -static char *auditor_url; - -/** - * Twister process. - */ -static struct GNUNET_OS_Process *twisterd; - -/** - * Account number of the exchange at the bank. - */ -#define EXCHANGE_ACCOUNT_NO 2 - -/** - * Account number of some user. - */ -#define USER_ACCOUNT_NO 62 - -/** - * User name. Never checked by fakebank. - */ -#define USER_LOGIN_NAME "user42" - -/** - * User password. Never checked by fakebank. - */ -#define USER_LOGIN_PASS "pass42" - -/** - * Execute the taler-exchange-wirewatch command with - * our configuration file. - * - * @param label label to use for the command. - */ -#define CMD_EXEC_WIREWATCH(label) \ - TALER_TESTING_cmd_exec_wirewatch (label, CONFIG_FILE) - -/** - * Execute the taler-exchange-aggregator command with - * our configuration file. - * - * @param label label to use for the command. - */ -#define CMD_EXEC_AGGREGATOR(label) \ - TALER_TESTING_cmd_exec_aggregator (label, CONFIG_FILE) - -/** - * Run wire transfer of funds from some user's account to the - * exchange. - * - * @param label label to use for the command. - * @param amount amount to transfer, i.e. "EUR:1" - * @param url exchange_url - */ -#define CMD_TRANSFER_TO_EXCHANGE(label,amount) \ - TALER_TESTING_cmd_fakebank_transfer (label, amount, \ - fakebank_url, USER_ACCOUNT_NO, EXCHANGE_ACCOUNT_NO, \ - USER_LOGIN_NAME, USER_LOGIN_PASS, exchange_url) - -/** - * Run wire transfer of funds from some user's account to the - * exchange. - * - * @param label label to use for the command. - * @param amount amount to transfer, i.e. "EUR:1" - */ -#define CMD_TRANSFER_TO_EXCHANGE_SUBJECT(label,amount,subject) \ - TALER_TESTING_cmd_fakebank_transfer_with_subject \ - (label, amount, fakebank_url, USER_ACCOUNT_NO, \ - EXCHANGE_ACCOUNT_NO, USER_LOGIN_NAME, USER_LOGIN_PASS, \ - subject) - -/** - * Main function that will tell the interpreter what commands to - * run. - * - * @param cls closure - */ -static void -run (void *cls, - struct TALER_TESTING_Interpreter *is) -{ - - - /** - * This batch aims to trigger the 409 Conflict - * response from a refresh-reveal operation. - */ - struct TALER_TESTING_Command refresh_409_conflict[] = { - - CMD_TRANSFER_TO_EXCHANGE - ("refresh-create-reserve", - "EUR:5.01"), - - /** - * Make previous command effective. - */ - CMD_EXEC_WIREWATCH - ("wirewatch"), - - /** - * Withdraw EUR:5. - */ - TALER_TESTING_cmd_withdraw_amount - ("refresh-withdraw-coin", - "refresh-create-reserve", - "EUR:5", - MHD_HTTP_OK), - - TALER_TESTING_cmd_deposit - ("refresh-deposit-partial", - "refresh-withdraw-coin", - 0, - TALER_TESTING_make_wire_details - (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\",\ - \"value\":\"EUR:1\"}]}", - GNUNET_TIME_UNIT_ZERO, - "EUR:1", - MHD_HTTP_OK), - - /** - * Melt the rest of the coin's value - * (EUR:4.00 = 3x EUR:1.03 + 7x EUR:0.13) */ - TALER_TESTING_cmd_refresh_melt - ("refresh-melt", - "EUR:4", - "refresh-withdraw-coin", - MHD_HTTP_OK), - - /* Trigger 409 Conflict. */ - TALER_TESTING_cmd_flip_upload - ("flip-upload", - CONFIG_FILE, - "transfer_privs.0"), - - TALER_TESTING_cmd_refresh_reveal - ("refresh-(flipped-)reveal", - "refresh-melt", - MHD_HTTP_CONFLICT), - - TALER_TESTING_cmd_end () - - }; - - - /** - * NOTE: not all CMDs actually need the twister, - * so it may be better to move those into the "main" - * lib test suite. - */ - struct TALER_TESTING_Command refund[] = { - - CMD_TRANSFER_TO_EXCHANGE - ("create-reserve-r1", - "EUR:5.01"), - - CMD_EXEC_WIREWATCH - ("wirewatch-r1"), - - TALER_TESTING_cmd_withdraw_amount - ("withdraw-coin-r1", - "create-reserve-r1", - "EUR:5", - MHD_HTTP_OK), - - TALER_TESTING_cmd_deposit - ("deposit-refund-1", - "withdraw-coin-r1", - 0, - TALER_TESTING_make_wire_details - (42, - fakebank_url), - "{\"items\":[{\"name\":\"ice cream\"," - "\"value\":\"EUR:5\"}]}", - GNUNET_TIME_UNIT_MINUTES, - "EUR:5", - MHD_HTTP_OK), - - TALER_TESTING_cmd_refund - ("refund-currency-missmatch", - MHD_HTTP_PRECONDITION_FAILED, - "USD:5", - "USD:0.01", - "deposit-refund-1"), - - TALER_TESTING_cmd_refund - ("refund-fee-above-amount", - MHD_HTTP_BAD_REQUEST, - "EUR:5", - "EUR:10", - "deposit-refund-1"), - - TALER_TESTING_cmd_flip_upload - ("flip-upload", - CONFIG_FILE, - "merchant_sig"), - - TALER_TESTING_cmd_refund - ("refund-bad-sig", - MHD_HTTP_UNAUTHORIZED, - "EUR:5", - "EUR:0.01", - "deposit-refund-1"), - - /* This next deposit CMD is only used to provide a - * good merchant signature to the next (failing) refund - * operations. */ - - TALER_TESTING_cmd_deposit - ("deposit-refund-to-fail", - "withdraw-coin-r1", - 0, /* coin index. */ - TALER_TESTING_make_wire_details - (42, - fakebank_url), - /* This parameter will make any comparison about - h_contract_terms fail, when /refund will be handled. - So in other words, this is h_contract missmatch. */ - "{\"items\":[{\"name\":\"ice skate\"," - "\"value\":\"EUR:5\"}]}", - GNUNET_TIME_UNIT_MINUTES, - "EUR:5", - MHD_HTTP_FORBIDDEN), - - TALER_TESTING_cmd_refund - ("refund-deposit-not-found", - MHD_HTTP_NOT_FOUND, - "EUR:5", - "EUR:0.01", - "deposit-refund-to-fail"), - - TALER_TESTING_cmd_refund - ("refund-insufficient-funds", - MHD_HTTP_PRECONDITION_FAILED, - "EUR:50", - "EUR:0.01", - "deposit-refund-1"), - - TALER_TESTING_cmd_refund - ("refund-fee-too-low", - MHD_HTTP_BAD_REQUEST, - "EUR:5", - "EUR:0.000001", - "deposit-refund-1"), - - TALER_TESTING_cmd_end () - - }; - - struct TALER_TESTING_Command commands[] = { - - TALER_TESTING_cmd_batch ("refresh-reveal-409-conflict", - refresh_409_conflict), - - TALER_TESTING_cmd_batch ("refund", - refund), - - TALER_TESTING_cmd_end () - }; - - TALER_TESTING_run_with_fakebank (is, - commands, - fakebank_url); -} - -/** - * Kill, wait, and destroy convenience function. - * - * @param process process to purge. - */ -static void -purge_process (struct GNUNET_OS_Process *process) -{ - GNUNET_OS_process_kill (process, SIGINT); - GNUNET_OS_process_wait (process); - GNUNET_OS_process_destroy (process); -} - -int -main (int argc, - char * const *argv) -{ - unsigned int ret; - /* These environment variables get in the way... */ - unsetenv ("XDG_DATA_HOME"); - unsetenv ("XDG_CONFIG_HOME"); - GNUNET_log_setup ("test-exchange-api-new-twisted", - "DEBUG", NULL); - - if (NULL == (fakebank_url = TALER_TESTING_prepare_fakebank - (CONFIG_FILE, - "account-2"))) - return 77; - - if (NULL == (twister_url = TALER_TESTING_prepare_twister - (CONFIG_FILE))) - return 77; - - TALER_TESTING_cleanup_files (CONFIG_FILE); - - switch (TALER_TESTING_prepare_exchange (CONFIG_FILE, - &auditor_url, - &exchange_url)) - { - case GNUNET_SYSERR: - GNUNET_break (0); - return 1; - case GNUNET_NO: - return 77; - - case GNUNET_OK: - - if (NULL == (twisterd = TALER_TESTING_run_twister - (CONFIG_FILE))) - return 77; - - ret = TALER_TESTING_setup_with_exchange (&run, - NULL, - CONFIG_FILE); - purge_process (twisterd); - GNUNET_free (twister_url); - - if (GNUNET_OK != ret) - return 1; - break; - default: - GNUNET_break (0); - return 1; - } - return 0; -} - -/* end of test_exchange_api_twisted.c */ diff --git a/src/exchange-lib/test_exchange_api_twisted.conf b/src/exchange-lib/test_exchange_api_twisted.conf deleted file mode 100644 index ba59b5a60..000000000 --- a/src/exchange-lib/test_exchange_api_twisted.conf +++ /dev/null @@ -1,169 +0,0 @@ -# This file is in the public domain. -# - -[twister] -# HTTP listen port for twister -HTTP_PORT = 8888 - -# HTTP Destination for twister. The test-Webserver needs -# to listen on the port used here. Note: no trailing '/'! -DESTINATION_BASE_URL = "http://localhost:8081" - -# Control port for TCP -# PORT = 8889 -HOSTNAME = localhost -ACCEPT_FROM = 127.0.0.1; -ACCEPT_FROM6 = ::1; - -# Control port for UNIX -UNIXPATH = /tmp/taler-service-twister.sock -UNIX_MATCH_UID = NO -UNIX_MATCH_GID = YES - -# Launching of twister by ARM -# BINARY = taler-service-twister -# AUTOSTART = NO -# FORCESTART = NO - -[PATHS] -# Persistant data storage for the testcase -TALER_TEST_HOME = test_exchange_api_home/ - -[taler] -# Currency supported by the exchange (can only be one) -CURRENCY = EUR - -[exchange] - -# how long is one signkey valid? -SIGNKEY_DURATION = 4 weeks - -# how long are the signatures with the signkey valid? -LEGAL_DURATION = 2 years - -# how long do we provide to clients denomination and signing keys -# ahead of time? -LOOKAHEAD_PROVIDE = 4 weeks 1 day - -# Keep it short so the test runs fast. -LOOKAHEAD_SIGN = 12 h - -# HTTP port the exchange listens to -PORT = 8081 - -# Master public key used to sign the exchange's various keys -MASTER_PUBLIC_KEY = 98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG - -# How to access our database -DB = postgres - -# Base URL of the exchange ('S PROXY). This URL is where the -# twister listens at, so that it will be able to get all the -# connection addressed to the exchange. In fact, the presence -# of the twister is 100% transparent to the test case, as it -# only seeks the exchange/BASE_URL URL to connect to the exchange. -BASE_URL = "http://localhost:8888/" - -[exchangedb-postgres] -DB_CONN_STR = "postgres:///talercheck" - -[auditor] -BASE_URL = "http://the.auditor/" - -[auditordb-postgres] -CONFIG = "postgres:///talercheck" - -[account-2] -URL = payto://x-taler-bank/localhost:8082/2 -PLUGIN = taler_bank -WIRE_RESPONSE = ${TALER_CONFIG_HOME}/account-2.json -TALER_BANK_AUTH_METHOD = "basic" -USERNAME = user -PASSWORD = pass -ENABLE_DEBIT = YES -ENABLE_CREDIT = YES - -[fees-x-taler-bank] -# Fees for the forseeable future... -# If you see this after 2017, update to match the next 10 years... -WIRE-FEE-2018 = EUR:0.01 -WIRE-FEE-2019 = EUR:0.01 -WIRE-FEE-2020 = EUR:0.01 -WIRE-FEE-2021 = EUR:0.01 -WIRE-FEE-2022 = EUR:0.01 -WIRE-FEE-2023 = EUR:0.01 -WIRE-FEE-2024 = EUR:0.01 -WIRE-FEE-2025 = EUR:0.01 -WIRE-FEE-2026 = EUR:0.01 -WIRE-FEE-2027 = EUR:0.01 - -CLOSING-FEE-2018 = EUR:0.01 -CLOSING-FEE-2019 = EUR:0.01 -CLOSING-FEE-2020 = EUR:0.01 -CLOSING-FEE-2021 = EUR:0.01 -CLOSING-FEE-2022 = EUR:0.01 -CLOSING-FEE-2023 = EUR:0.01 -CLOSING-FEE-2024 = EUR:0.01 -CLOSING-FEE-2025 = EUR:0.01 -CLOSING-FEE-2026 = EUR:0.01 -CLOSING-FEE-2027 = EUR:0.01 - -[coin_eur_ct_1] -value = EUR:0.01 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.00 -fee_deposit = EUR:0.00 -fee_refresh = EUR:0.01 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_ct_10] -value = EUR:0.10 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_1] -value = EUR:1 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_5] -value = EUR:5 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 - -[coin_eur_10] -value = EUR:10 -duration_overlap = 5 minutes -duration_withdraw = 7 days -duration_spend = 2 years -duration_legal = 3 years -fee_withdraw = EUR:0.01 -fee_deposit = EUR:0.01 -fee_refresh = EUR:0.03 -fee_refund = EUR:0.01 -rsa_keysize = 1024 diff --git a/src/exchange-lib/testing_api_cmd_bank_check.c b/src/exchange-lib/testing_api_cmd_bank_check.c deleted file mode 100644 index 265cba176..000000000 --- a/src/exchange-lib/testing_api_cmd_bank_check.c +++ /dev/null @@ -1,379 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_bank_check.c - * @brief command to check if a particular wire transfer took - * place. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" -#include "taler_fakebank_lib.h" - - -/** - * State for a "bank check" CMD. - */ -struct BankCheckState -{ - - /** - * Base URL of the exchange supposed to be - * involved in the bank transaction. - */ - const char *exchange_base_url; - - /** - * Expected transferred amount. - */ - const char *amount; - - /** - * Expected debit bank account. - */ - uint64_t debit_account; - - /** - * Expected credit bank account. - */ - uint64_t credit_account; - - /** - * Wire transfer subject (set by fakebank-lib). - */ - char *subject; - - /** - * Binary form of the wire transfer subject. - */ - struct TALER_WireTransferIdentifierRawP wtid; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Reference to a CMD that provides all the data - * needed to issue the bank check. If NULL, that data - * must exist here in the state. - */ - const char *deposit_reference; -}; - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -check_bank_transfer_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct BankCheckState *bcs = cls; - - struct TALER_Amount amount; - const uint64_t *debit_account; - const uint64_t *credit_account; - const char *exchange_base_url; - - - if (NULL == bcs->deposit_reference) - { - TALER_LOG_INFO ("Deposit reference NOT given\n"); - debit_account = &bcs->debit_account; - credit_account = &bcs->credit_account; - exchange_base_url = bcs->exchange_base_url; - - if (GNUNET_OK != - TALER_string_to_amount (bcs->amount, - &amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %u\n", - bcs->amount, - is->ip); - TALER_TESTING_interpreter_fail (is); - return; - } - } - - if (NULL != bcs->deposit_reference) - { - const struct TALER_TESTING_Command *deposit_cmd; - const struct TALER_Amount *amount_ptr; - - TALER_LOG_INFO ("`%s' uses reference (%s/%p)\n", - TALER_TESTING_interpreter_get_current_label - (is), - bcs->deposit_reference, - bcs->deposit_reference); - deposit_cmd = TALER_TESTING_interpreter_lookup_command - (is, bcs->deposit_reference); - - if (NULL == deposit_cmd) - TALER_TESTING_FAIL (is); - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_get_trait_amount_obj - (deposit_cmd, 0, &amount_ptr)); - amount = *amount_ptr; - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_GET_TRAIT_DEBIT_ACCOUNT - (deposit_cmd, &debit_account)); - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_GET_TRAIT_CREDIT_ACCOUNT - (deposit_cmd, &credit_account)); - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_get_trait_url - (deposit_cmd, 0, &exchange_base_url)); // check 0 works! - - } - - if (GNUNET_OK != - TALER_FAKEBANK_check (is->fakebank, - &amount, - *debit_account, - *credit_account, - exchange_base_url, - &bcs->subject)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_interpreter_next (is); -} - -/** - * Free the state of a "bank check" CMD. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -check_bank_transfer_cleanup - (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct BankCheckState *bcs = cls; - - GNUNET_free_non_null (bcs->subject); - GNUNET_free (bcs); -} - -/** - * Offer internal data from a "bank check" CMD state. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success. - */ -static int -check_bank_transfer_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct BankCheckState *bcs = cls; - struct TALER_WireTransferIdentifierRawP *wtid_ptr; - - if (GNUNET_OK != GNUNET_STRINGS_string_to_data - (bcs->subject, - strlen (bcs->subject), - &bcs->wtid, - sizeof (struct TALER_WireTransferIdentifierRawP))) - wtid_ptr = NULL; - else - wtid_ptr = &bcs->wtid; - - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_transfer_subject (0, bcs->subject), - TALER_TESTING_make_trait_wtid (0, wtid_ptr), - TALER_TESTING_make_trait_url (0, bcs->exchange_base_url), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - - -/** - * Make a "bank check" CMD. It checks whether a - * particular wire transfer has been made or not. - * - * @param label the command label. - * @param exchange_base_url base url of the exchange involved in - * the wire transfer. - * @param amount the amount expected to be transferred. - * @param debit_account the account that gave money. - * @param credit_account the account that received money. - * - * @return the command - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_check_bank_transfer - (const char *label, - const char *exchange_base_url, - const char *amount, - uint64_t debit_account, - uint64_t credit_account) -{ - struct BankCheckState *bcs; - - bcs = GNUNET_new (struct BankCheckState); - bcs->exchange_base_url = exchange_base_url; - bcs->amount = amount; - bcs->debit_account = debit_account; - bcs->credit_account = credit_account; - - bcs->deposit_reference = NULL; - - struct TALER_TESTING_Command cmd = { - .label = label, - .cls = bcs, - .run = &check_bank_transfer_run, - .cleanup = &check_bank_transfer_cleanup, - .traits = &check_bank_transfer_traits - }; - - return cmd; -} - -/** - * Cleanup the state, only defined to respect the API. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -check_bank_empty_cleanup - (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - return; -} - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -check_bank_empty_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - - if (GNUNET_OK != TALER_FAKEBANK_check_empty (is->fakebank)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_interpreter_next (is); -} - - -/** - * Some commands (notably "bank history") could randomly - * look for traits; this way makes sure we don't segfault. - */ -static int -check_bank_empty_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - return GNUNET_SYSERR; -} - - -/** - * Checks wheter all the wire transfers got "checked" - * by the "bank check" CMD. - * - * @param label command label. - * - * @return the command - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_check_bank_empty (const char *label) -{ - struct TALER_TESTING_Command cmd; - - cmd.label = label; - cmd.run = &check_bank_empty_run; - cmd.cleanup = &check_bank_empty_cleanup; - cmd.traits = &check_bank_empty_traits; - - return cmd; -} - - -/** - * Define a "bank check" CMD that takes the input - * data from another CMD that offers it. - * - * @param label command label. - * @param deposit_reference reference to a CMD that is - * able to provide the "check bank transfer" operation - * input data. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_check_bank_transfer_with_ref - (const char *label, - const char *deposit_reference) -{ - - struct BankCheckState *bcs; - struct TALER_TESTING_Command cmd; - - bcs = GNUNET_new (struct BankCheckState); - bcs->deposit_reference = deposit_reference; - - cmd.label = label; - cmd.cls = bcs; - cmd.run = &check_bank_transfer_run; - cmd.cleanup = &check_bank_transfer_cleanup; - cmd.traits = &check_bank_transfer_traits; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_batch.c b/src/exchange-lib/testing_api_cmd_batch.c deleted file mode 100644 index a56c959a0..000000000 --- a/src/exchange-lib/testing_api_cmd_batch.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange/testing_api_cmd_batch.c - * @brief Implement batch-execution of CMDs. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "batch" CMD. - */ -struct BatchState -{ - /** - * CMDs batch. - */ - struct TALER_TESTING_Command *batch; - - /** - * Internal comand pointer. - */ - int batch_ip; -}; - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command being executed. - * @param is the interpreter state. - */ -static void -batch_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct BatchState *bs = cls; - - bs->batch_ip++; - if (NULL != bs->batch[bs->batch_ip].label) - TALER_LOG_DEBUG ("Running batched command: %s\n", - bs->batch[bs->batch_ip].label); - - /* hit end command, leap to next top-level command. */ - if (NULL == bs->batch[bs->batch_ip].label) - { - TALER_LOG_INFO ("Exiting from batch: %s\n", - cmd->label); - TALER_TESTING_interpreter_next (is); - return; - } - - bs->batch[bs->batch_ip].run (bs->batch[bs->batch_ip].cls, - &bs->batch[bs->batch_ip], - is); -} - - -/** - * Cleanup the state from a "reserve status" CMD, and possibly - * cancel a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -batch_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct BatchState *bs = cls; - - for (unsigned int i=0; - NULL != bs->batch[i].label; - i++) - bs->batch[i].cleanup (bs->batch[i].cls, - &bs->batch[i]); - GNUNET_free_non_null (bs->batch); - GNUNET_free (bs); -} - - -/** - * Offer internal data from a "batch" CMD, to other commands. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success. - */ -static int -batch_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ -#define CURRENT_CMD_INDEX 0 -#define BATCH_INDEX 1 - - struct BatchState *bs = cls; - - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_cmd - (CURRENT_CMD_INDEX, &bs->batch[bs->batch_ip]), - TALER_TESTING_make_trait_cmd - (BATCH_INDEX, bs->batch), - TALER_TESTING_trait_end () - }; - - /* Always return current command. */ - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - -/** - * Create a "batch" command. Such command takes a - * end_CMD-terminated array of CMDs and executed them. - * Once it hits the end CMD, it passes the control - * to the next top-level CMD, regardless of it being - * another batch or ordinary CMD. - * - * @param label the command label. - * @param batch array of CMDs to execute. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_batch (const char *label, - struct TALER_TESTING_Command *batch) -{ - struct BatchState *bs; - unsigned int i; - - bs = GNUNET_new (struct BatchState); - bs->batch_ip = -1; - - /* Get number of commands. */ - for (i=0;NULL != batch[i].label;i++) - /* noop */ - ; - - bs->batch = GNUNET_new_array (i + 1, - struct TALER_TESTING_Command); - memcpy (bs->batch, - batch, - sizeof (struct TALER_TESTING_Command) * i); - - struct TALER_TESTING_Command cmd = { - .cls = bs, - .label = label, - .run = &batch_run, - .cleanup = &batch_cleanup, - .traits = &batch_traits - }; - - return cmd; -} - - -/** - * Test if this command is a batch command. - * - * @return false if not, true if it is a batch command - */ -int -TALER_TESTING_cmd_is_batch (const struct TALER_TESTING_Command *cmd) -{ - return cmd->run == &batch_run; -} - - -/** - * Obtain what command the batch is at. - * - * @return cmd current batch command - */ -struct TALER_TESTING_Command * -TALER_TESTING_cmd_batch_get_current (const struct TALER_TESTING_Command *cmd) -{ - struct BatchState *bs = cmd->cls; - - return &bs->batch[bs->batch_ip]; -} diff --git a/src/exchange-lib/testing_api_cmd_check_keys.c b/src/exchange-lib/testing_api_cmd_check_keys.c deleted file mode 100644 index d329f31a4..000000000 --- a/src/exchange-lib/testing_api_cmd_check_keys.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - This file is part of TALER - (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_check_keys.c - * @brief Implementation of "check keys" test command. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "check keys" CMD. - */ -struct CheckKeysState -{ - /** - * This number will instruct the CMD interpreter to - * make sure that /keys was downloaded `generation` times - * _before_ running the very CMD logic. - */ - unsigned int generation; - - /** - * How many denomination keys the exchange is - * supposed to have. - */ - unsigned int num_denom_keys; -}; - - -/** - * Run the "check keys" command. - * - * @param cls closure. - * @param cmd the command currently being executed. - * @param is the interpreter state. - */ -static void -check_keys_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct CheckKeysState *cks = cls; - - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "cmd `%s', key generation: %d\n", - cmd->label, - is->key_generation); - - if (is->key_generation < cks->generation) - { - is->working = GNUNET_NO; - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Triggering GET /keys, cmd `%s'\n", - cmd->label); - - /* Means re-download /keys. */ - GNUNET_break (0 == TALER_EXCHANGE_check_keys_current - (is->exchange, GNUNET_YES).abs_value_us); - return; - } - if (is->key_generation > cks->generation) - { - /* We got /keys too often, strange. Fatal. May theoretically - happen if somehow we were really unlucky and /keys expired - "naturally", but obviously with a sane configuration this - should also not be. */ - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - /* /keys was updated, let's check they were OK! */ - if (cks->num_denom_keys != is->keys->num_denom_keys) - { - /* Did not get the expected number of denomination keys! */ - GNUNET_break (0); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Got %u keys in step %s, expected %u\n", - is->keys->num_denom_keys, - cmd->label, - cks->num_denom_keys); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_interpreter_next (is); -} - - -/** - * Cleanup the state. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -check_keys_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct CheckKeysState *cks = cls; - - GNUNET_free (cks); -} - - -/** - * Make a "check keys" command. This type of command - * checks whether the number of denomination keys from - * @a exchange matches @a num_denom_keys. - * - * @param label command label - * @param generation when this command is run, exactly @a - * generation /keys downloads took place. If the number - * of downloads is less than @a generation, the logic will - * first make sure that @a generation downloads are done, - * and _then_ execute the rest of the command. - * @param num_denom_keys expected number of denomination keys. - * @param exchange connection handle to the exchange to test. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_check_keys - (const char *label, - unsigned int generation, - unsigned int num_denom_keys) -{ - struct CheckKeysState *cks; - - cks = GNUNET_new (struct CheckKeysState); - cks->generation = generation; - cks->num_denom_keys = num_denom_keys; - - struct TALER_TESTING_Command cmd = { - .cls = cks, - .label = label, - .run = &check_keys_run, - .cleanup = &check_keys_cleanup - }; - - return cmd; -} - -/* end of testing_api_cmd_check_keys.c */ diff --git a/src/exchange-lib/testing_api_cmd_deposit.c b/src/exchange-lib/testing_api_cmd_deposit.c deleted file mode 100644 index 6fa2310d3..000000000 --- a/src/exchange-lib/testing_api_cmd_deposit.c +++ /dev/null @@ -1,576 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_deposit.c - * @brief command for testing /deposit. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" -#include "taler_signatures.h" -#include "backoff.h" - - -/** - * State for a "deposit" CMD. - */ -struct DepositState -{ - - /** - * Amount to deposit. - */ - const char *amount; - - /** - * Reference to any command that is able to provide a coin. - */ - const char *coin_reference; - - /** - * If @e coin_reference refers to an operation that generated - * an array of coins, this value determines which coin to pick. - */ - unsigned int coin_index; - - /** - * Wire details of who is depositing -- this would be merchant - * wire details in a normal scenario. - */ - json_t *wire_details; - - /** - * JSON string describing what a proposal is about. - */ - json_t *contract_terms; - - /** - * Relative time (to add to 'now') to compute the refund - * deadline. Zero for no refunds. - */ - struct GNUNET_TIME_Relative refund_deadline; - - /** - * Set (by the interpreter) to a fresh private key. This - * key will be used to sign the deposit request. - */ - struct TALER_MerchantPrivateKeyP merchant_priv; - - /** - * Deposit handle while operation is running. - */ - struct TALER_EXCHANGE_DepositHandle *dh; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Should we retry on (transient) failures? - */ - int do_retry; - - /** - * Set to #GNUNET_YES if the /deposit succeeded - * and we now can provide the resulting traits. - */ - int traits_ready; - - /** - * Signing key used by the exchange to sign the - * deposit confirmation. - */ - struct TALER_ExchangePublicKeyP exchange_pub; - - /** - * Signature from the exchange on the - * deposit confirmation. - */ - struct TALER_ExchangeSignatureP exchange_sig; -}; - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -deposit_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #deposit_run. - * - * @param cls a `struct DepositState` - */ -static void -do_retry (void *cls) -{ - struct DepositState *ds = cls; - - ds->retry_task = NULL; - deposit_run (ds, - NULL, - ds->is); -} - - -/** - * Callback to analyze the /deposit response, just used to - * check if the response code is acceptable. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param exchange_sig signature provided by the exchange - * (NULL on errors) - * @param exchange_pub public key of the exchange, - * used for signing the response. - * @param obj raw response from the exchange. - */ -static void -deposit_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_ExchangeSignatureP *exchange_sig, - const struct TALER_ExchangePublicKeyP *exchange_pub, - const json_t *obj) -{ - struct DepositState *ds = cls; - - ds->dh = NULL; - if (ds->expected_response_code != http_status) - { - if (GNUNET_YES == ds->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying deposit failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - ds->backoff = GNUNET_TIME_UNIT_ZERO; - else - ds->backoff = EXCHANGE_LIB_BACKOFF (ds->backoff); - ds->retry_task - = GNUNET_SCHEDULER_add_delayed (ds->backoff, - &do_retry, - ds); - return; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u to command %s in %s:%u\n", - http_status, - ds->is->commands[ds->is->ip].label, - __FILE__, - __LINE__); - json_dumpf (obj, stderr, 0); - TALER_TESTING_interpreter_fail (ds->is); - return; - } - if (MHD_HTTP_OK == http_status) - { - ds->traits_ready = GNUNET_YES; - ds->exchange_pub = *exchange_pub; - ds->exchange_sig = *exchange_sig; - } - TALER_TESTING_interpreter_next (ds->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -deposit_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct DepositState *ds = cls; - const struct TALER_TESTING_Command *coin_cmd; - struct TALER_TESTING_Command *this_cmd; - const struct TALER_CoinSpendPrivateKeyP *coin_priv; - struct TALER_CoinSpendPublicKeyP coin_pub; - const struct TALER_EXCHANGE_DenomPublicKey *denom_pub; - const struct TALER_DenominationSignature *denom_pub_sig; - struct TALER_CoinSpendSignatureP coin_sig; - struct GNUNET_TIME_Absolute refund_deadline; - struct GNUNET_TIME_Absolute wire_deadline; - struct GNUNET_TIME_Absolute timestamp; - struct GNUNET_CRYPTO_EddsaPrivateKey *merchant_priv; - struct TALER_MerchantPublicKeyP merchant_pub; - struct GNUNET_HashCode h_contract_terms; - struct TALER_Amount amount; - - ds->is = is; - this_cmd = &is->commands[is->ip]; - - GNUNET_assert (ds->coin_reference); - coin_cmd = TALER_TESTING_interpreter_lookup_command - (is, - ds->coin_reference); - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - /* Fixme: do prefer "interpreter fail" over assertions, - * as the former takes care of shutting down processes too */ - GNUNET_assert (NULL != coin_cmd); - - GNUNET_assert (GNUNET_OK - == TALER_TESTING_get_trait_coin_priv (coin_cmd, - ds->coin_index, - &coin_priv)); - - GNUNET_assert (GNUNET_OK - == TALER_TESTING_get_trait_denom_pub (coin_cmd, - ds->coin_index, - &denom_pub)); - - GNUNET_assert (GNUNET_OK - == TALER_TESTING_get_trait_denom_sig (coin_cmd, - ds->coin_index, - &denom_pub_sig)); - if (GNUNET_OK != - TALER_string_to_amount (ds->amount, - &amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at '%u/%s'\n", - ds->amount, is->ip, this_cmd->label); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert (GNUNET_OK == - TALER_JSON_hash (ds->contract_terms, - &h_contract_terms)); - - GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, - &coin_pub.eddsa_pub); - - merchant_priv = GNUNET_CRYPTO_eddsa_key_create (); - ds->merchant_priv.eddsa_priv = *merchant_priv; - GNUNET_free (merchant_priv); - - if (0 != ds->refund_deadline.rel_value_us) - { - refund_deadline = GNUNET_TIME_relative_to_absolute - (ds->refund_deadline); - wire_deadline = GNUNET_TIME_relative_to_absolute - (GNUNET_TIME_relative_multiply - (ds->refund_deadline, 2)); - } - else - { - refund_deadline = GNUNET_TIME_UNIT_ZERO_ABS; - wire_deadline = GNUNET_TIME_relative_to_absolute - (GNUNET_TIME_UNIT_ZERO); - } - GNUNET_CRYPTO_eddsa_key_get_public - (&ds->merchant_priv.eddsa_priv, - &merchant_pub.eddsa_pub); - - timestamp = GNUNET_TIME_absolute_get (); - GNUNET_TIME_round_abs (×tamp); - GNUNET_TIME_round_abs (&refund_deadline); - GNUNET_TIME_round_abs (&wire_deadline); - - { - struct TALER_DepositRequestPS dr; - - memset (&dr, 0, sizeof (dr)); - dr.purpose.size = htonl - (sizeof (struct TALER_DepositRequestPS)); - dr.purpose.purpose = htonl - (TALER_SIGNATURE_WALLET_COIN_DEPOSIT); - dr.h_contract_terms = h_contract_terms; - GNUNET_assert - (GNUNET_OK == - TALER_JSON_merchant_wire_signature_hash (ds->wire_details, - &dr.h_wire)); - dr.timestamp = GNUNET_TIME_absolute_hton (timestamp); - dr.refund_deadline = GNUNET_TIME_absolute_hton - (refund_deadline); - TALER_amount_hton (&dr.amount_with_fee, &amount); - TALER_amount_hton - (&dr.deposit_fee, &denom_pub->fee_deposit); - dr.merchant = merchant_pub; - dr.coin_pub = coin_pub; - GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_eddsa_sign - (&coin_priv->eddsa_priv, - &dr.purpose, - &coin_sig.eddsa_signature)); - } - ds->dh = TALER_EXCHANGE_deposit - (is->exchange, - &amount, - wire_deadline, - ds->wire_details, - &h_contract_terms, - &coin_pub, - denom_pub_sig, - &denom_pub->key, - timestamp, - &merchant_pub, - refund_deadline, - &coin_sig, - &deposit_cb, - ds); - - if (NULL == ds->dh) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - return; -} - - -/** - * Free the state of a "deposit" CMD, and possibly cancel a - * pending operation thereof. - * - * @param cls closure, typically a #struct WireState. - * @param cmd the command which is being cleaned up. - */ -static void -deposit_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct DepositState *ds = cls; - - if (NULL != ds->dh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - ds->is->ip, - cmd->label); - TALER_EXCHANGE_deposit_cancel (ds->dh); - ds->dh = NULL; - } - if (NULL != ds->retry_task) - { - GNUNET_SCHEDULER_cancel (ds->retry_task); - ds->retry_task = NULL; - } - json_decref (ds->wire_details); - json_decref (ds->contract_terms); - GNUNET_free (ds); -} - - -/** - * Offer internal data from a "deposit" CMD, to other commands. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -deposit_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct DepositState *ds = cls; - const struct TALER_TESTING_Command *coin_cmd; - /* Will point to coin cmd internals. */ - const struct TALER_CoinSpendPrivateKeyP *coin_spent_priv; - - coin_cmd = TALER_TESTING_interpreter_lookup_command - (ds->is, - ds->coin_reference); - - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (ds->is); - return GNUNET_NO; - } - - if (GNUNET_OK != - TALER_TESTING_get_trait_coin_priv (coin_cmd, - ds->coin_index, - &coin_spent_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (ds->is); - return GNUNET_NO; - } - - struct TALER_TESTING_Trait traits[] = { - /* First two traits are only available if - ds->traits is #GNUNET_YES */ - TALER_TESTING_make_trait_exchange_pub (0, - &ds->exchange_pub), - TALER_TESTING_make_trait_exchange_sig (0, - &ds->exchange_sig), - /* These traits are always available */ - TALER_TESTING_make_trait_coin_priv (0, - coin_spent_priv), - TALER_TESTING_make_trait_wire_details (0, - ds->wire_details), - TALER_TESTING_make_trait_contract_terms (0, - ds->contract_terms), - TALER_TESTING_make_trait_peer_key (0, - &ds->merchant_priv.eddsa_priv), - TALER_TESTING_make_trait_amount (0, - ds->amount), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait ((ds->traits_ready) - ? traits - : &traits[2], - ret, - trait, - index); -} - -/** - * Create a "deposit" command. - * - * @param label command label. - * @param coin_reference reference to any operation that can - * provide a coin. - * @param coin_index if @a withdraw_reference offers an array of - * coins, this parameter selects which one in that array. - * This value is currently ignored, as only one-coin - * withdrawals are implemented. - * @param wire_details wire details associated with the "deposit" - * request. - * @param contract_terms contract terms to be signed over by the - * coin. - * @param refund_deadline refund deadline, zero means 'no refunds'. - * Note, if time were absolute, then it would have come - * one day and disrupt tests meaning. - * @param amount how much is going to be deposited. - * @param expected_response_code expected HTTP response code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_deposit - (const char *label, - const char *coin_reference, - unsigned int coin_index, - json_t *wire_details, - const char *contract_terms, - struct GNUNET_TIME_Relative refund_deadline, - const char *amount, - unsigned int expected_response_code) -{ - struct DepositState *ds; - - ds = GNUNET_new (struct DepositState); - ds->coin_reference = coin_reference; - ds->coin_index = coin_index; - ds->wire_details = wire_details; - ds->contract_terms = json_loads (contract_terms, - JSON_REJECT_DUPLICATES, - NULL); - if (NULL == ds->contract_terms) - { - GNUNET_log - (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse contract terms `%s' for CMD `%s'\n", - contract_terms, - label); - GNUNET_assert (0); - } - - ds->refund_deadline = refund_deadline; - ds->amount = amount; - ds->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = ds, - .label = label, - .run = &deposit_run, - .cleanup = &deposit_cleanup, - .traits = &deposit_traits - }; - - return cmd; -} - - -/** - * Modify a deposit command to enable retries when we get transient - * errors from the exchange. - * - * @param cmd a deposit command - * @return the command with retries enabled - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_deposit_with_retry (struct TALER_TESTING_Command cmd) -{ - struct DepositState *ds; - - GNUNET_assert (&deposit_run == cmd.run); - ds = cmd.cls; - ds->do_retry = GNUNET_YES; - return cmd; -} - - -/* end of testing_api_cmd_deposit.c */ diff --git a/src/exchange-lib/testing_api_cmd_exec_aggregator.c b/src/exchange-lib/testing_api_cmd_exec_aggregator.c deleted file mode 100644 index c51d44989..000000000 --- a/src/exchange-lib/testing_api_cmd_exec_aggregator.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, - see <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_exec_aggregator.c - * @brief run the taler-exchange-aggregator command - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - -/** - * State for a "aggregator" CMD. - */ -struct AggregatorState -{ - - /** - * Aggregator process. - */ - struct GNUNET_OS_Process *aggregator_proc; - - /** - * Configuration file used by the aggregator. - */ - const char *config_filename; -}; - - -/** - * Run the command. Use the `taler-exchange-aggregator' program. - * - * @param cls closure. - * @param cmd command being run. - * @param is interpreter state. - */ -static void -aggregator_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct AggregatorState *as = cls; - - as->aggregator_proc - = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-aggregator", - "taler-exchange-aggregator", - "-c", as->config_filename, - "-t", /* exit when done */ - NULL); - if (NULL == as->aggregator_proc) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_wait_for_sigchld (is); -} - - -/** - * Free the state of a "aggregator" CMD, and possibly kill its - * process if it did not terminate correctly. - * - * @param cls closure. - * @param cmd the command being freed. - */ -static void -aggregator_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct AggregatorState *as = cls; - - if (NULL != as->aggregator_proc) - { - GNUNET_break (0 == - GNUNET_OS_process_kill (as->aggregator_proc, - SIGKILL)); - GNUNET_OS_process_wait (as->aggregator_proc); - GNUNET_OS_process_destroy (as->aggregator_proc); - as->aggregator_proc = NULL; - } - GNUNET_free (as); -} - - -/** - * Offer "aggregator" CMD internal data to other commands. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success - */ -static int -aggregator_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct AggregatorState *as = cls; - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_process (0, &as->aggregator_proc), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Make a "aggregator" CMD. - * - * @param label command label. - * @param config_filename configuration file for the - * aggregator to use. - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_exec_aggregator (const char *label, - const char *config_filename) -{ - struct AggregatorState *as; - - as = GNUNET_new (struct AggregatorState); - as->config_filename = config_filename; - - struct TALER_TESTING_Command cmd = { - .cls = as, - .label = label, - .run = &aggregator_run, - .cleanup = &aggregator_cleanup, - .traits = &aggregator_traits - }; - - return cmd; -} - -/* end of testing_api_cmd_exec_aggregator.c */ diff --git a/src/exchange-lib/testing_api_cmd_exec_auditor-sign.c b/src/exchange-lib/testing_api_cmd_exec_auditor-sign.c deleted file mode 100644 index 90a1654ce..000000000 --- a/src/exchange-lib/testing_api_cmd_exec_auditor-sign.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, - see <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_exec_auditor-sign.c - * @brief run the taler-exchange-aggregator command - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - - -/** - * State for a "auditor sign" CMD. - */ -struct AuditorSignState -{ - - /** - * Handle to the process making the signature. - */ - struct GNUNET_OS_Process *auditor_sign_proc; - - /** - * Configuration file used by the command. - */ - const char *config_filename; - - /** - * File name of signed blob. - */ - char *signed_keys_out; -}; - - -/** - * Run the command; calls the `taler-auditor-sign' program. - * - * @param cls closure. - * @param cmd the command. - * @param is interpreter state. - */ -static void -auditor_sign_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct AuditorSignState *ass = cls; - - struct GNUNET_CONFIGURATION_Handle *cfg; - char *test_home_dir; - char *exchange_master_pub; - struct GNUNET_TIME_Absolute now; - - cfg = GNUNET_CONFIGURATION_create (); - if (GNUNET_OK != GNUNET_CONFIGURATION_load - (cfg, ass->config_filename)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_filename (cfg, - "paths", - "TALER_TEST_HOME", - &test_home_dir)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "paths", - "TALER_TEST_HOME"); - GNUNET_CONFIGURATION_destroy (cfg); - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - now = GNUNET_TIME_absolute_get (); - GNUNET_asprintf - (&ass->signed_keys_out, - "%s/.local/share/taler/auditors/auditor-%llu.out", - test_home_dir, - (unsigned long long) now.abs_value_us); - GNUNET_free (test_home_dir); - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "MASTER_PUBLIC_KEY", - &exchange_master_pub)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "MASTER_PUBLIC_KEY"); - GNUNET_CONFIGURATION_destroy (cfg); - - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_CONFIGURATION_destroy (cfg); - - ass->auditor_sign_proc = GNUNET_OS_start_process - (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-auditor-sign", - "taler-auditor-sign", - "-c", ass->config_filename, - "-u", "http://auditor/", - "-m", exchange_master_pub, - "-r", "auditor.in", - "-o", ass->signed_keys_out, - NULL); - GNUNET_free (exchange_master_pub); - if (NULL == ass->auditor_sign_proc) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_wait_for_sigchld (is); -} - - -/** - * Free the state of a "auditor sign" CMD, and possibly - * kill its process if it did not terminate correctly. - * - * @param cls closure. - * @param cmd the command being freed. - */ -static void -auditor_sign_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct AuditorSignState *ass = cls; - - if (NULL != ass->auditor_sign_proc) - { - GNUNET_break (0 == GNUNET_OS_process_kill - (ass->auditor_sign_proc, SIGKILL)); - GNUNET_OS_process_wait (ass->auditor_sign_proc); - GNUNET_OS_process_destroy (ass->auditor_sign_proc); - ass->auditor_sign_proc = NULL; - } - GNUNET_free_non_null (ass->signed_keys_out); - GNUNET_free (ass); -} - - -/** - * Offer "auditor sign" CMD internal data to other commands. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success. - */ -static int -auditor_sign_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct AuditorSignState *ass = cls; - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_process (0, &ass->auditor_sign_proc), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Make a "auditor sign" CMD. - * - * @param label command label - * @param config_filename configuration filename - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_exec_auditor_sign (const char *label, - const char *config_filename) -{ - struct AuditorSignState *ass; - - ass = GNUNET_new (struct AuditorSignState); - ass->config_filename = config_filename; - - - struct TALER_TESTING_Command cmd = { - .cls = ass, - .label = label, - .run = &auditor_sign_run, - .cleanup = &auditor_sign_cleanup, - .traits = &auditor_sign_traits - }; - - return cmd; -} - -/* end of testing_api_cmd_exec_auditor-sign.c */ diff --git a/src/exchange-lib/testing_api_cmd_exec_keyup.c b/src/exchange-lib/testing_api_cmd_exec_keyup.c deleted file mode 100644 index 576aab3c7..000000000 --- a/src/exchange-lib/testing_api_cmd_exec_keyup.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, - see <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_exec_keyup.c - * @brief run the taler-exchange-keyup command - * @author Marcello Stanisci - * @author Christian Grothoff - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - -/** - * State for a "keyup" CMD. - */ -struct KeyupState -{ - - /** - * Process for the "keyup" command. - */ - struct GNUNET_OS_Process *keyup_proc; - - /** - * Configuration file used by the command. - */ - const char *config_filename; -}; - - -/** - * Run the command; calls the `taler-exchange-keyup' program. - * - * @param cls closure. - * @param cmd the commaind being run. - * @param is interpreter state. - */ -static void -keyup_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct KeyupState *ks = cls; - - ks->keyup_proc = GNUNET_OS_start_process - (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-keyup", - "taler-exchange-keyup", - "-c", ks->config_filename, - "-o", "auditor.in", - NULL); - - if (NULL == ks->keyup_proc) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_wait_for_sigchld (is); -} - - -/** - * Free the state of a "keyup" CMD, and possibly kills its - * process if it did not terminate correctly. - * - * @param cls closure. - * @param cmd the command being freed. - */ -static void -keyup_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct KeyupState *ks = cls; - - if (NULL != ks->keyup_proc) - { - GNUNET_break (0 == - GNUNET_OS_process_kill (ks->keyup_proc, - SIGKILL)); - GNUNET_OS_process_wait (ks->keyup_proc); - GNUNET_OS_process_destroy (ks->keyup_proc); - ks->keyup_proc = NULL; - } - GNUNET_free (ks); -} - - -/** - * Offer "keyup" CMD internal data to other commands. - * - * @param cls closure. - * @param ret[out] result - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -keyup_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct KeyupState *ks = cls; - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_process (0, &ks->keyup_proc), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Make the "keyup" CMD. - * - * @param label command label. - * @param config_filename configuration filename. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_exec_keyup (const char *label, - const char *config_filename) -{ - struct KeyupState *ks; - - ks = GNUNET_new (struct KeyupState); - ks->config_filename = config_filename; - - struct TALER_TESTING_Command cmd = { - .cls = ks, - .label = label, - .run = &keyup_run, - .cleanup = &keyup_cleanup, - .traits = &keyup_traits - }; - - return cmd; -} - -/* end of testing_api_cmd_exec_keyup.c */ diff --git a/src/exchange-lib/testing_api_cmd_exec_wirewatch.c b/src/exchange-lib/testing_api_cmd_exec_wirewatch.c deleted file mode 100644 index a81bf5c2b..000000000 --- a/src/exchange-lib/testing_api_cmd_exec_wirewatch.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, - or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_exec_wirewatch.c - * @brief run the taler-exchange-wirewatch command - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - - -/** - * State for a "wirewatch" CMD. - */ -struct WirewatchState -{ - - /** - * Process for the wirewatcher. - */ - struct GNUNET_OS_Process *wirewatch_proc; - - /** - * Configuration file used by the wirewatcher. - */ - const char *config_filename; -}; - -/** - * Run the command; use the `taler-exchange-wirewatch' program. - * - * @param cls closure. - * @param cmd command currently being executed. - * @param is interpreter state. - */ -static void -wirewatch_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct WirewatchState *ws = cls; - - ws->wirewatch_proc - = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-wirewatch", - "taler-exchange-wirewatch", - "-c", ws->config_filename, - "-T", /* exit when done */ - NULL); - if (NULL == ws->wirewatch_proc) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_wait_for_sigchld (is); -} - - -/** - * Free the state of a "wirewatch" CMD, and possibly - * kills its process if it did not terminate regularly. - * - * @param cls closure. - * @param cmd the command being freed. - */ -static void -wirewatch_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct WirewatchState *ws = cls; - - if (NULL != ws->wirewatch_proc) - { - GNUNET_break (0 == - GNUNET_OS_process_kill (ws->wirewatch_proc, - SIGKILL)); - GNUNET_OS_process_wait (ws->wirewatch_proc); - GNUNET_OS_process_destroy (ws->wirewatch_proc); - ws->wirewatch_proc = NULL; - } - GNUNET_free (ws); -} - - -/** - * Offer "wirewatch" CMD internal data to other commands. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success. - */ -static int -wirewatch_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct WirewatchState *ws = cls; - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_process (0, - &ws->wirewatch_proc), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Make a "wirewatch" CMD. - * - * @param label command label. - * @param config_filename configuration filename. - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_exec_wirewatch (const char *label, - const char *config_filename) -{ - struct WirewatchState *ws; - - ws = GNUNET_new (struct WirewatchState); - ws->config_filename = config_filename; - - - struct TALER_TESTING_Command cmd = { - .cls = ws, - .label = label, - .run = &wirewatch_run, - .cleanup = &wirewatch_cleanup, - .traits = &wirewatch_traits - }; - - return cmd; -} - -/* end of testing_api_cmd_exec_wirewatch.c */ diff --git a/src/exchange-lib/testing_api_cmd_fakebank_transfer.c b/src/exchange-lib/testing_api_cmd_fakebank_transfer.c deleted file mode 100644 index 43f72573b..000000000 --- a/src/exchange-lib/testing_api_cmd_fakebank_transfer.c +++ /dev/null @@ -1,756 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_fakebank_transfer.c - * @brief implementation of a fakebank wire transfer command - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_bank_service.h" -#include "taler_fakebank_lib.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" -#include "taler_testing_bank_lib.h" -#include "backoff.h" - -/** - * State for a "fakebank transfer" CMD. - */ -struct FakebankTransferState -{ - - /** - * Label of any command that can trait-offer a reserve priv. - */ - const char *reserve_reference; - - /** - * Wire transfer amount. - */ - struct TALER_Amount amount; - - /** - * Wire transfer subject. - */ - const char *subject; - - /** - * Base URL of the bank serving the request. - */ - const char *bank_url; - - /** - * Money sender account number. - */ - uint64_t debit_account_no; - - /** - * Money receiver account number. - */ - uint64_t credit_account_no; - - /** - * Username to use for authentication. - */ - const char *auth_username; - - /** - * Password to use for authentication. - */ - const char *auth_password; - - /** - * Set (by the interpreter) to the reserve's private key - * we used to make a wire transfer subject line with. - */ - struct TALER_ReservePrivateKeyP reserve_priv; - - /** - * Handle to the pending request at the fakebank. - */ - struct TALER_BANK_AdminAddIncomingHandle *aih; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Set to the wire transfer's unique ID. - */ - uint64_t serial_id; - - /** - * Exchange URL. This value is fed to the bank when requesting - * the wire transfer; note: the bank needs it because a merchant - * might want to know which exchange performed a wire transfer to - * them, just by looking at bank records. - */ - const char *exchange_url; - - /** - * Merchant instance. Sometimes used to get the tip reserve - * private key by reading the appropriate config section. - */ - const char *instance; - - /** - * Configuration filename. Used to get the tip reserve key - * filename (used to obtain a public key to write in the - * transfer subject). - */ - const char *config_filename; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Was this command modified via - * #TALER_TESTING_cmd_fakebank_transfer_with_retry to - * enable retries? - */ - int do_retry; -}; - - -/** - * Run the "fakebank transfer" CMD. - * - * @param cls closure. - * @param cmd CMD being run. - * @param is interpreter state. - */ -static void -fakebank_transfer_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #fakebank_transfer_run. - * - * @param cls a `struct FakebankTransferState` - */ -static void -do_retry (void *cls) -{ - struct FakebankTransferState *fts = cls; - - fts->retry_task = NULL; - fakebank_transfer_run (fts, - NULL, - fts->is); -} - - -/** - * This callback will process the fakebank response to the wire - * transfer. It just checks whether the HTTP response code is - * acceptable. - * - * @param cls closure with the interpreter state - * @param http_status HTTP response code, #MHD_HTTP_OK (200) for - * successful status request; 0 if the exchange's reply is - * bogus (fails to follow the protocol) - * @param ec taler-specific error code, #TALER_EC_NONE on success - * @param serial_id unique ID of the wire transfer - * @param full_response full response from the exchange (for - * logging, in case of errors) - */ -static void -add_incoming_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - uint64_t serial_id, - const json_t *full_response) -{ - struct FakebankTransferState *fts = cls; - struct TALER_TESTING_Interpreter *is = fts->is; - - fts->aih = NULL; - fts->serial_id = serial_id; - if (MHD_HTTP_OK != http_status) - { - if (GNUNET_YES == fts->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying fakebank transfer failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - fts->backoff = GNUNET_TIME_UNIT_ZERO; - else - fts->backoff = EXCHANGE_LIB_BACKOFF (fts->backoff); - fts->retry_task = GNUNET_SCHEDULER_add_delayed (fts->backoff, - &do_retry, - fts); - return; - } - } - GNUNET_break (0); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Fakebank returned HTTP status %u/%d\n", - http_status, - (int) ec); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_TESTING_interpreter_next (is); -} - - -/** - * Run the "fakebank transfer" CMD. - * - * @param cls closure. - * @param cmd CMD being run. - * @param is interpreter state. - */ -static void -fakebank_transfer_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct FakebankTransferState *fts = cls; - char *subject; - struct TALER_BANK_AuthenticationData auth; - struct TALER_ReservePublicKeyP reserve_pub; - - if (NULL != fts->subject) - { - subject = GNUNET_strdup (fts->subject); - } - else - { - /* Use reserve public key as subject */ - if (NULL != fts->reserve_reference) - { - const struct TALER_TESTING_Command *ref; - const struct TALER_ReservePrivateKeyP *reserve_priv; - - ref = TALER_TESTING_interpreter_lookup_command - (is, fts->reserve_reference); - if (NULL == ref) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - if (GNUNET_OK != - TALER_TESTING_get_trait_reserve_priv (ref, - 0, - &reserve_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - fts->reserve_priv.eddsa_priv = reserve_priv->eddsa_priv; - } - else - { - if (NULL != fts->instance) - { - char *section; - char *keys; - struct GNUNET_CRYPTO_EddsaPrivateKey *priv; - struct GNUNET_CONFIGURATION_Handle *cfg; - - GNUNET_assert (NULL != fts->config_filename); - cfg = GNUNET_CONFIGURATION_create (); - if (GNUNET_OK != - GNUNET_CONFIGURATION_load (cfg, - fts->config_filename)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_asprintf (§ion, - "instance-%s", - fts->instance); - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_filename - (cfg, - section, - "TIP_RESERVE_PRIV_FILENAME", - &keys)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Configuration fails to specify reserve" - " private key filename in section %s\n", - section); - GNUNET_free (section); - TALER_TESTING_interpreter_fail (is); - return; - } - priv = GNUNET_CRYPTO_eddsa_key_create_from_file (keys); - if (NULL == priv) - { - GNUNET_log_config_invalid - (GNUNET_ERROR_TYPE_ERROR, - section, - "TIP_RESERVE_PRIV_FILENAME", - "Failed to read private key"); - GNUNET_free (keys); - GNUNET_free (section); - TALER_TESTING_interpreter_fail (is); - return; - } - fts->reserve_priv.eddsa_priv = *priv; - GNUNET_free (priv); - GNUNET_CONFIGURATION_destroy (cfg); - } - else - { - /* No referenced reserve, no instance to take priv - * from, no explicit subject given: create new key! */ - struct GNUNET_CRYPTO_EddsaPrivateKey *priv; - - priv = GNUNET_CRYPTO_eddsa_key_create (); - fts->reserve_priv.eddsa_priv = *priv; - GNUNET_free (priv); - } - } - GNUNET_CRYPTO_eddsa_key_get_public - (&fts->reserve_priv.eddsa_priv, &reserve_pub.eddsa_pub); - subject = GNUNET_STRINGS_data_to_string_alloc - (&reserve_pub, sizeof (reserve_pub)); - } - - auth.method = TALER_BANK_AUTH_BASIC; - auth.details.basic.username = (char *) fts->auth_username; - auth.details.basic.password = (char *) fts->auth_password; - fts->is = is; - fts->aih = TALER_BANK_admin_add_incoming - (TALER_TESTING_interpreter_get_context (is), - fts->bank_url, - &auth, - fts->exchange_url, - subject, - &fts->amount, - fts->debit_account_no, - fts->credit_account_no, - &add_incoming_cb, - fts); - GNUNET_free (subject); - if (NULL == fts->aih) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } -} - - -/** - * Free the state of a "fakebank transfer" CMD, and possibly - * cancel a pending operation thereof. - * - * @param cls closure - * @param cmd current CMD being cleaned up. - */ -static void -fakebank_transfer_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct FakebankTransferState *fts = cls; - - if (NULL != fts->aih) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %s did not complete\n", - cmd->label); - TALER_BANK_admin_add_incoming_cancel (fts->aih); - } - if (NULL != fts->retry_task) - { - GNUNET_SCHEDULER_cancel (fts->retry_task); - fts->retry_task = NULL; - } - GNUNET_free (fts); -} - -/** - * Offer internal data from a "fakebank transfer" CMD to other - * commands. - * - * @param cls closure. - * @param ret[out] result - * @param trait name of the trait. - * @param index index number of the object to offer. - * @return #GNUNET_OK on success. - */ -static int -fakebank_transfer_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct FakebankTransferState *fts = cls; - #define MANDATORY 6 - struct TALER_TESTING_Trait traits[MANDATORY + 1] = { - TALER_TESTING_MAKE_TRAIT_DEBIT_ACCOUNT - (&fts->debit_account_no), - TALER_TESTING_MAKE_TRAIT_CREDIT_ACCOUNT - (&fts->credit_account_no), - TALER_TESTING_make_trait_url (0, fts->exchange_url), - TALER_TESTING_MAKE_TRAIT_ROW_ID (&fts->serial_id), - TALER_TESTING_make_trait_amount_obj (0, &fts->amount), - }; - - /** - * The user gave explicit subject, - * there must be NO reserve priv. */ - if (NULL != fts->subject) - traits[MANDATORY - 1] = - TALER_TESTING_make_trait_transfer_subject (0, - fts->subject); - /* A reserve priv must exist if no subject was given. */ - else - traits[MANDATORY - 1] = TALER_TESTING_make_trait_reserve_priv - (0, &fts->reserve_priv), - - traits[MANDATORY] = TALER_TESTING_trait_end (); - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Create fakebank_transfer command, the subject line will be - * derived from a randomly created reserve priv. Note that that - * reserve priv will then be offered as trait. - * - * @param label command label. - * @param amount amount to transfer. - * @param bank_url base URL of the bank that implements this - * wire transer. For simplicity, both credit and debit - * bank account exist at the same bank. - * @param debit_account_no which account (expressed as a number) - * gives money. - * @param credit_account_no which account (expressed as a number) - * receives money. - * @param auth_username username identifying the @a - * debit_account_no at the bank. - * @param auth_password password for @a auth_username. - * @param exchange_url which exchange is involved in this transfer. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_fakebank_transfer - (const char *label, - const char *amount, - const char *bank_url, - uint64_t debit_account_no, - uint64_t credit_account_no, - const char *auth_username, - const char *auth_password, - const char *exchange_url) -{ - struct FakebankTransferState *fts; - - fts = GNUNET_new (struct FakebankTransferState); - fts->bank_url = bank_url; - fts->credit_account_no = credit_account_no; - fts->debit_account_no = debit_account_no; - fts->auth_username = auth_username; - fts->auth_password = auth_password; - fts->exchange_url = exchange_url; - if (GNUNET_OK != - TALER_string_to_amount (amount, - &fts->amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %s\n", - amount, - label); - GNUNET_assert (0); - } - - struct TALER_TESTING_Command cmd = { - .cls = fts, - .label = label, - .run = &fakebank_transfer_run, - .cleanup = &fakebank_transfer_cleanup, - .traits = &fakebank_transfer_traits - }; - - return cmd; -} - - -/** - * Create "fakebank transfer" CMD, letting the caller specifying - * the subject line. - * - * @param label command label. - * @param amount amount to transfer. - * @param bank_url base URL of the bank that implements this - * wire transer. For simplicity, both credit and debit - * bank account exist at the same bank. - * @param debit_account_no which account (expressed as a number) - * gives money. - * @param credit_account_no which account (expressed as a number) - * receives money. - * - * @param auth_username username identifying the @a - * debit_account_no at the bank. - * @param auth_password password for @a auth_username. - * @param subject wire transfer's subject line. - * @param exchange_url which exchange is involved in this transfer. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_fakebank_transfer_with_subject - (const char *label, - const char *amount, - const char *bank_url, - uint64_t debit_account_no, - uint64_t credit_account_no, - const char *auth_username, - const char *auth_password, - const char *subject, - const char *exchange_url) -{ - struct FakebankTransferState *fts; - - fts = GNUNET_new (struct FakebankTransferState); - - TALER_LOG_DEBUG ("%s:FTS@%p\n", - label, - fts); - - fts->bank_url = bank_url; - fts->credit_account_no = credit_account_no; - fts->debit_account_no = debit_account_no; - fts->auth_username = auth_username; - fts->auth_password = auth_password; - fts->subject = subject; - fts->exchange_url = exchange_url; - if (GNUNET_OK != - TALER_string_to_amount (amount, - &fts->amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %s\n", - amount, - label); - GNUNET_assert (0); - } - - struct TALER_TESTING_Command cmd = { - .cls = fts, - .label = label, - .run = &fakebank_transfer_run, - .cleanup = &fakebank_transfer_cleanup, - .traits = &fakebank_transfer_traits - }; - - return cmd; -} - - -/** - * Create "fakebank transfer" CMD, letting the caller specify - * a reference to a command that can offer a reserve private key. - * This private key will then be used to construct the subject line - * of the wire transfer. - * - * @param label command label. - * @param amount the amount to transfer. - * @param bank_url base URL of the bank running the transfer. - * @param debit_account_no which account (expressed as a number) - * gives money. - * @param credit_account_no which account (expressed as a number) - * receives money. - * @param auth_username username identifying the @a - * debit_account_no at the bank. - * @param auth_password password for @a auth_username. - * @param ref reference to a command that can offer a reserve - * private key. - * @param exchange_url the exchage involved in the transfer, - * tipically receiving the money in order to fuel a reserve. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_fakebank_transfer_with_ref - (const char *label, - const char *amount, - const char *bank_url, - uint64_t debit_account_no, - uint64_t credit_account_no, - const char *auth_username, - const char *auth_password, - const char *ref, - const char *exchange_url) -{ - struct FakebankTransferState *fts; - - fts = GNUNET_new (struct FakebankTransferState); - fts->bank_url = bank_url; - fts->credit_account_no = credit_account_no; - fts->debit_account_no = debit_account_no; - fts->auth_username = auth_username; - fts->auth_password = auth_password; - fts->reserve_reference = ref; - fts->exchange_url = exchange_url; - if (GNUNET_OK != - TALER_string_to_amount (amount, - &fts->amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %s\n", - amount, - label); - GNUNET_assert (0); - } - - struct TALER_TESTING_Command cmd = { - .cls = fts, - .label = label, - .run = &fakebank_transfer_run, - .cleanup = &fakebank_transfer_cleanup, - .traits = &fakebank_transfer_traits - }; - - return cmd; -} - - -/** - * Create "fakebank transfer" CMD, letting the caller specifying - * the merchant instance. This version is useful when a tip - * reserve should be topped up, in fact the interpreter will need - * the "tipping instance" in order to get the instance public key - * and make a wire transfer subject out of it. - * - * @param label command label. - * @param amount amount to transfer. - * @param bank_url base URL of the bank that implements this - * wire transer. For simplicity, both credit and debit - * bank account exist at the same bank. - * @param debit_account_no which account (expressed as a number) - * gives money. - * @param credit_account_no which account (expressed as a number) - * receives money. - * - * @param auth_username username identifying the @a - * debit_account_no at the bank. - * @param auth_password password for @a auth_username. - * @param instance the instance that runs the tipping. Under this - * instance, the configuration file will provide the private - * key of the tipping reserve. This data will then used to - * construct the wire transfer subject line. - * @param exchange_url which exchange is involved in this transfer. - * @param config_filename configuration file to use. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_fakebank_transfer_with_instance - (const char *label, - const char *amount, - const char *bank_url, - uint64_t debit_account_no, - uint64_t credit_account_no, - const char *auth_username, - const char *auth_password, - const char *instance, - const char *exchange_url, - const char *config_filename) -{ - struct FakebankTransferState *fts; - - fts = GNUNET_new (struct FakebankTransferState); - fts->bank_url = bank_url; - fts->credit_account_no = credit_account_no; - fts->debit_account_no = debit_account_no; - fts->auth_username = auth_username; - fts->auth_password = auth_password; - fts->instance = instance; - fts->exchange_url = exchange_url; - fts->config_filename = config_filename; - if (GNUNET_OK != - TALER_string_to_amount (amount, - &fts->amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %s\n", - amount, - label); - GNUNET_assert (0); - } - - struct TALER_TESTING_Command cmd = { - .cls = fts, - .label = label, - .run = &fakebank_transfer_run, - .cleanup = &fakebank_transfer_cleanup, - .traits = &fakebank_transfer_traits - }; - - return cmd; -} - - -/** - * Modify a fakebank transfer command to enable retries when the - * reserve is not yet full or we get other transient errors from the - * fakebank. - * - * @param cmd a fakebank transfer command - * @return the command with retries enabled - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_fakebank_transfer_retry (struct TALER_TESTING_Command cmd) -{ - struct FakebankTransferState *fts; - - GNUNET_assert (&fakebank_transfer_run == cmd.run); - fts = cmd.cls; - fts->do_retry = GNUNET_YES; - return cmd; -} - -/* end of testing_api_cmd_fakebank_transfer.c */ diff --git a/src/exchange-lib/testing_api_cmd_payback.c b/src/exchange-lib/testing_api_cmd_payback.c deleted file mode 100644 index a4a3aeff1..000000000 --- a/src/exchange-lib/testing_api_cmd_payback.c +++ /dev/null @@ -1,498 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange/testing_api_cmd_payback.c - * @brief Implement the /revoke and /payback test commands. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "revoke" CMD. - */ -struct RevokeState -{ - /** - * Expected HTTP status code. - */ - unsigned int expected_response_code; - - /** - * Command that offers a denomination to revoke. - */ - const char *coin_reference; - - /** - * The interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * The revoke process handle. - */ - struct GNUNET_OS_Process *revoke_proc; - - /** - * Configuration file name. - */ - const char *config_filename; - - /** - * Encoding of the denomination (to revoke) public key hash. - */ - char *dhks; - -}; - - -/** - * State for a "pay back" CMD. - */ -struct PaybackState -{ - /** - * Expected HTTP status code. - */ - unsigned int expected_response_code; - - /** - * Command that offers a reserve private key, - * plus a coin to be paid back. - */ - const char *coin_reference; - - /** - * The interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Amount expected to be paid back. - */ - const char *amount; - - /** - * Handle to the ongoing operation. - */ - struct TALER_EXCHANGE_PaybackHandle *ph; -}; - -/** - * Check the result of the payback request: checks whether - * the HTTP response code is good, and that the coin that - * was paid back belonged to the right reserve. - * - * @param cls closure - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param amount amount the exchange will wire back for this coin. - * @param timestamp what time did the exchange receive the - * /payback request - * @param reserve_pub public key of the reserve affected by the - * payback. - * @param full_response raw response from the exchange. - */ -static void -payback_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_Amount *amount, - struct GNUNET_TIME_Absolute timestamp, - const struct TALER_ReservePublicKeyP *reserve_pub, - const json_t *full_response) -{ - - struct PaybackState *ps = cls; - struct TALER_TESTING_Interpreter *is = ps->is; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - const struct TALER_TESTING_Command *reserve_cmd; - const struct TALER_ReservePrivateKeyP *reserve_priv; - struct TALER_ReservePublicKeyP rp; - struct TALER_Amount expected_amount; - - ps->ph = NULL; - if (ps->expected_response_code != http_status) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u to command %s in %s:%u\n", - http_status, - cmd->label, - __FILE__, - __LINE__); - json_dumpf (full_response, stderr, 0); - fprintf (stderr, "\n"); - TALER_TESTING_interpreter_fail (is); - return; - } - - reserve_cmd = TALER_TESTING_interpreter_lookup_command - (is, ps->coin_reference); - - if (NULL == reserve_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_reserve_priv - (reserve_cmd, 0, &reserve_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv, - &rp.eddsa_pub); - - switch (http_status) - { - case MHD_HTTP_OK: - if (GNUNET_OK != TALER_string_to_amount - (ps->amount, &expected_amount)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - if (0 != TALER_amount_cmp (amount, &expected_amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Total amount missmatch to command %s\n", - cmd->label); - json_dumpf (full_response, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - if (0 != memcmp (reserve_pub, &rp, - sizeof (struct TALER_ReservePublicKeyP))) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - break; - default: - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Unmanaged HTTP status code.\n"); - break; - } - TALER_TESTING_interpreter_next (is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -payback_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct PaybackState *ps = cls; - const struct TALER_TESTING_Command *coin_cmd; - const struct TALER_CoinSpendPrivateKeyP *coin_priv; - const struct TALER_DenominationBlindingKeyP *blinding_key; - const struct TALER_EXCHANGE_DenomPublicKey *denom_pub; - const struct TALER_DenominationSignature *coin_sig; - struct TALER_PlanchetSecretsP planchet; - - ps->is = is; - coin_cmd = TALER_TESTING_interpreter_lookup_command - (is, ps->coin_reference); - - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv - (coin_cmd, 0, &coin_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_blinding_key - (coin_cmd, 0, &blinding_key)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - planchet.coin_priv = *coin_priv; - planchet.blinding_key = *blinding_key; - - if (GNUNET_OK != TALER_TESTING_get_trait_denom_pub - (coin_cmd, 0, &denom_pub)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_denom_sig - (coin_cmd, 0, &coin_sig)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Trying to get '%s..' paid back\n", - TALER_B2S (&denom_pub->h_key)); - - ps->ph = TALER_EXCHANGE_payback (is->exchange, - denom_pub, - coin_sig, - &planchet, - payback_cb, - ps); - GNUNET_assert (NULL != ps->ph); -} - - -/** - * Cleanup the state. - * - * @param cls closure, typically a #struct WireState. - * @param cmd the command which is being cleaned up. - */ -static void -revoke_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - - struct RevokeState *rs = cls; - - if (NULL != rs->revoke_proc) - { - GNUNET_break (0 == GNUNET_OS_process_kill - (rs->revoke_proc, SIGKILL)); - GNUNET_OS_process_wait (rs->revoke_proc); - GNUNET_OS_process_destroy (rs->revoke_proc); - rs->revoke_proc = NULL; - } - - GNUNET_free_non_null (rs->dhks); - GNUNET_free (rs); -} - - -/** - * Cleanup the "payback" CMD state, and possibly cancel - * a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -payback_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct PaybackState *ps = cls; - if (NULL != ps->ph) - { - TALER_EXCHANGE_payback_cancel (ps->ph); - ps->ph = NULL; - } - GNUNET_free (ps); -} - - -/** - * Offer internal data from a "revoke" CMD to other CMDs. - * - * @param cls closure - * @param ret[out] result (could be anything) - * @param trait name of the trait - * @param index index number of the object to offer. - * @return #GNUNET_OK on success - */ -static int -revoke_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - - struct RevokeState *rs = cls; - struct TALER_TESTING_Trait traits[] = { - /* Needed by the handler which waits the proc' - * death and calls the next command */ - TALER_TESTING_make_trait_process (0, &rs->revoke_proc), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - -/** - * Run the "revoke" command. The core of the function - * is to call the "keyup" utility passing it the base32 - * encoding of the denomination to revoke. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -revoke_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct RevokeState *rs = cls; - const struct TALER_TESTING_Command *coin_cmd; - const struct TALER_EXCHANGE_DenomPublicKey *denom_pub; - - rs->is = is; - /* Get denom pub from trait */ - coin_cmd = TALER_TESTING_interpreter_lookup_command - (is, rs->coin_reference); - - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert (GNUNET_OK == TALER_TESTING_get_trait_denom_pub - (coin_cmd, 0, &denom_pub)); - - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Trying to revoke denom '%s..'\n", - TALER_B2S (&denom_pub->h_key)); - - rs->dhks = GNUNET_STRINGS_data_to_string_alloc - (&denom_pub->h_key, sizeof (struct GNUNET_HashCode)); - - rs->revoke_proc = GNUNET_OS_start_process - (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-keyup", - "taler-exchange-keyup", - "-c", rs->config_filename, - "-r", rs->dhks, - NULL); - - if (NULL == rs->revoke_proc) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Revoke is ongoing..\n"); - - is->reload_keys = GNUNET_OK; - TALER_TESTING_wait_for_sigchld (is); -} - - -/** - * Make a "payback" command. - * - * @param label the command label - * @param expected_response_code expected HTTP status code - * @param coin_reference reference to any command which - * offers a coin & reserve private key. - * @param amount denomination to pay back. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_payback (const char *label, - unsigned int expected_response_code, - const char *coin_reference, - const char *amount) -{ - struct PaybackState *ps; - - ps = GNUNET_new (struct PaybackState); - ps->expected_response_code = expected_response_code; - ps->coin_reference = coin_reference; - ps->amount = amount; - - struct TALER_TESTING_Command cmd = { - .cls = ps, - .label = label, - .run = &payback_run, - .cleanup = &payback_cleanup - }; - - return cmd; -} - - -/** - * Make a "revoke" command. - * - * @param label the command label. - * @param expected_response_code expected HTTP status code. - * @param coin_reference reference to a CMD that will offer the - * denomination to revoke. - * @param config_filename configuration file name. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_revoke (const char *label, - unsigned int expected_response_code, - const char *coin_reference, - const char *config_filename) -{ - - struct RevokeState *rs; - - rs = GNUNET_new (struct RevokeState); - rs->expected_response_code = expected_response_code; - rs->coin_reference = coin_reference; - rs->config_filename = config_filename; - - struct TALER_TESTING_Command cmd = { - .cls = rs, - .label = label, - .run = &revoke_run, - .cleanup = &revoke_cleanup, - .traits = &revoke_traits - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_refresh.c b/src/exchange-lib/testing_api_cmd_refresh.c deleted file mode 100644 index 55900cf27..000000000 --- a/src/exchange-lib/testing_api_cmd_refresh.c +++ /dev/null @@ -1,1317 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_refresh.c - * @brief commands for testing all "refresh" features. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" -#include "taler_signatures.h" -#include "backoff.h" - -/** - * Data for a coin to be melted. - */ -struct MeltDetails -{ - - /** - * Amount to melt (including fee). - */ - const char *amount; - - /** - * Reference to reserve_withdraw operations for coin to - * be used for the /refresh/melt operation. - */ - const char *coin_reference; -}; - - -/** - * State for a "refresh melt" command. - */ -struct RefreshMeltState -{ - - /** - * Information about coins to be melted. - */ - struct MeltDetails melted_coin; - - /** - * "Crypto data" used in the refresh operation. - */ - char *refresh_data; - - /** - * Reference to a previous melt command. - */ - const char *melt_reference; - - /** - * Melt handle while operation is running. - */ - struct TALER_EXCHANGE_RefreshMeltHandle *rmh; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Array of the denomination public keys - * corresponding to the @e fresh_amounts. - */ - struct TALER_EXCHANGE_DenomPublicKey *fresh_pks; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Number of bytes in @e refresh_data. - */ - size_t refresh_data_length; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * if set to #GNUNET_YES, then two /refresh/melt operations - * will be performed. This is needed to trigger the logic - * that manages those already-made requests. Note: it - * is not possible to just copy-and-paste a test refresh melt - * CMD to have the same effect, because every data preparation - * generates new planchets that (in turn) make the whole "hash" - * different from any previous one, therefore NOT allowing the - * exchange to pick any previous /rerfesh/melt operation from - * the database. - */ - unsigned int double_melt; - - /** - * Should we retry on (transient) failures? - */ - int do_retry; - - /** - * Set by the melt callback as it comes from the exchange. - */ - uint16_t noreveal_index; -}; - - -/** - * State for a "refresh reveal" CMD. - */ -struct RefreshRevealState -{ - /** - * Link to a "refresh melt" command. - */ - const char *melt_reference; - - /** - * Reveal handle while operation is running. - */ - struct TALER_EXCHANGE_RefreshRevealHandle *rrh; - - /** - * Convenience struct to keep in one place all the - * data related to one fresh coin, set by the reveal callback - * as it comes from the exchange. - */ - struct FreshCoin *fresh_coins; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Number of fresh coins withdrawn, set by the - * reveal callback as it comes from the exchange, - * it is the length of the @e fresh_coins array. - */ - unsigned int num_fresh_coins; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Should we retry on (transient) failures? - */ - int do_retry; - -}; - - -/** - * State for a "refresh link" CMD. - */ -struct RefreshLinkState -{ - /** - * Link to a "refresh reveal" command. - */ - const char *reveal_reference; - - /** - * Handle to the ongoing operation. - */ - struct TALER_EXCHANGE_RefreshLinkHandle *rlh; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Should we retry on (transient) failures? - */ - int do_retry; - -}; - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_reveal_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #refresh_reveal_run. - * - * @param cls a `struct RefreshRevealState` - */ -static void -do_reveal_retry (void *cls) -{ - struct RefreshRevealState *rrs = cls; - - rrs->retry_task = NULL; - refresh_reveal_run (rrs, - NULL, - rrs->is); -} - - -/** - * "refresh reveal" request callback; it checks that the response - * code is expected and copies into its command's state the data - * coming from the exchange, namely the fresh coins. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param num_coins number of fresh coins created, length of the - * @a sigs and @a coin_privs arrays, 0 if the operation - * failed. - * @param coin_privs array of @a num_coins private keys for the - * coins that were created, NULL on error. - * @param sigs array of signature over @a num_coins coins, - * NULL on error. - * @param full_response raw exchange response. - */ -static void -reveal_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - unsigned int num_coins, - const struct TALER_CoinSpendPrivateKeyP *coin_privs, - const struct TALER_DenominationSignature *sigs, - const json_t *full_response) -{ - struct RefreshRevealState *rrs = cls; - const struct TALER_TESTING_Command *melt_cmd; - - rrs->rrh = NULL; - if (rrs->expected_response_code != http_status) - { - if (GNUNET_YES == rrs->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying refresh reveal failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - rrs->backoff = GNUNET_TIME_UNIT_ZERO; - else - rrs->backoff = EXCHANGE_LIB_BACKOFF (rrs->backoff); - rrs->retry_task = GNUNET_SCHEDULER_add_delayed (rrs->backoff, - &do_reveal_retry, - rrs); - return; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d to command %s in %s:%u\n", - http_status, - (int) ec, - rrs->is->commands[rrs->is->ip].label, - __FILE__, - __LINE__); - json_dumpf (full_response, stderr, 0); - TALER_TESTING_interpreter_fail (rrs->is); - return; - } - melt_cmd = TALER_TESTING_interpreter_lookup_command - (rrs->is, rrs->melt_reference); - if (NULL == melt_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rrs->is); - return; - } - rrs->num_fresh_coins = num_coins; - switch (http_status) - { - case MHD_HTTP_OK: - rrs->fresh_coins = GNUNET_new_array - (num_coins, struct FreshCoin); - - const struct TALER_EXCHANGE_DenomPublicKey *fresh_pks; - - if (GNUNET_OK != - TALER_TESTING_get_trait_denom_pub (melt_cmd, - 0, - &fresh_pks)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rrs->is); - return; - } - - for (unsigned int i=0; i<num_coins; i++) - { - struct FreshCoin *fc = &rrs->fresh_coins[i]; - - fc->pk = &fresh_pks[i]; - fc->coin_priv = coin_privs[i]; - fc->sig.rsa_signature = GNUNET_CRYPTO_rsa_signature_dup - (sigs[i].rsa_signature); - } - break; - default: - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Unknown HTTP status %d\n", - http_status); - } - TALER_TESTING_interpreter_next (rrs->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_reveal_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct RefreshRevealState *rrs = cls; - struct RefreshMeltState *rms; - const struct TALER_TESTING_Command *melt_cmd; - - rrs->is = is; - melt_cmd = TALER_TESTING_interpreter_lookup_command - (is, rrs->melt_reference); - - if (NULL == melt_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rrs->is); - return; - } - rms = melt_cmd->cls; - rrs->rrh = TALER_EXCHANGE_refresh_reveal - (is->exchange, - rms->refresh_data_length, - rms->refresh_data, - rms->noreveal_index, - &reveal_cb, rrs); - - if (NULL == rrs->rrh) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } -} - - -/** - * Free the state from a "refresh reveal" CMD, and possibly - * cancel a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -refresh_reveal_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct RefreshRevealState *rrs = cls; - - if (NULL != rrs->rrh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - rrs->is->ip, - cmd->label); - - TALER_EXCHANGE_refresh_reveal_cancel (rrs->rrh); - rrs->rrh = NULL; - } - if (NULL != rrs->retry_task) - { - GNUNET_SCHEDULER_cancel (rrs->retry_task); - rrs->retry_task = NULL; - } - - for (unsigned int j=0; j < rrs->num_fresh_coins; j++) - GNUNET_CRYPTO_rsa_signature_free (rrs->fresh_coins[j].sig.rsa_signature); - - GNUNET_free_non_null (rrs->fresh_coins); - rrs->fresh_coins = NULL; - rrs->num_fresh_coins = 0; - GNUNET_free (rrs); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_link_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #refresh_link_run. - * - * @param cls a `struct RefreshLinkState` - */ -static void -do_link_retry (void *cls) -{ - struct RefreshLinkState *rls = cls; - - rls->retry_task = NULL; - refresh_link_run (rls, - NULL, - rls->is); -} - - -/** - * "refresh link" operation callback, checks that HTTP response - * code is expected _and_ that all the linked coins were actually - * withdrawn by the "refresh reveal" CMD. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code - * @param num_coins number of fresh coins created, length of the - * @a sigs and @a coin_privs arrays, 0 if the operation - * failed. - * @param coin_privs array of @a num_coins private keys for the - * coins that were created, NULL on error. - * @param sigs array of signature over @a num_coins coins, NULL on - * error. - * @param pubs array of public keys for the @a sigs, - * NULL on error. - * @param full_response raw response from the exchange. - */ -static void -link_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - unsigned int num_coins, - const struct TALER_CoinSpendPrivateKeyP *coin_privs, - const struct TALER_DenominationSignature *sigs, - const struct TALER_DenominationPublicKey *pubs, - const json_t *full_response) -{ - - struct RefreshLinkState *rls = cls; - const struct TALER_TESTING_Command *reveal_cmd; - struct TALER_TESTING_Command *link_cmd - = &rls->is->commands[rls->is->ip]; - unsigned int found; - const unsigned int *num_fresh_coins; - - rls->rlh = NULL; - if (rls->expected_response_code != http_status) - { - if (GNUNET_YES == rls->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying refresh link failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - rls->backoff = GNUNET_TIME_UNIT_ZERO; - else - rls->backoff = EXCHANGE_LIB_BACKOFF (rls->backoff); - rls->retry_task = GNUNET_SCHEDULER_add_delayed (rls->backoff, - &do_link_retry, - rls); - return; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d to command %s in %s:%u\n", - http_status, - (int) ec, - link_cmd->label, - __FILE__, - __LINE__); - json_dumpf (full_response, stderr, 0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - reveal_cmd = TALER_TESTING_interpreter_lookup_command - (rls->is, rls->reveal_reference); - - if (NULL == reveal_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - - switch (http_status) - { - case MHD_HTTP_OK: - /* check that number of coins returned matches */ - if (GNUNET_OK != TALER_TESTING_get_trait_uint - (reveal_cmd, 0, &num_fresh_coins)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - if (num_coins != *num_fresh_coins) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected number of fresh coins: %d vs %d in %s:%u\n", - num_coins, - *num_fresh_coins, - __FILE__, - __LINE__); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - /* check that the coins match */ - for (unsigned int i=0;i<num_coins;i++) - for (unsigned int j=i+1;j<num_coins;j++) - if (0 == memcmp - (&coin_privs[i], &coin_privs[j], - sizeof (struct TALER_CoinSpendPrivateKeyP))) - GNUNET_break (0); - /* Note: coins might be legitimately permutated in here... */ - found = 0; - - /* Will point to the pointer inside the cmd state. */ - const struct FreshCoin *fc = NULL; - - if (GNUNET_OK != TALER_TESTING_get_trait_fresh_coins - (reveal_cmd, 0, &fc)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - - for (unsigned int i=0;i<num_coins;i++) - for (unsigned int j=0;j<num_coins;j++) - { - if ( (0 == memcmp - (&coin_privs[i], &fc[j].coin_priv, - sizeof (struct TALER_CoinSpendPrivateKeyP))) && - (0 == GNUNET_CRYPTO_rsa_signature_cmp - (fc[i].sig.rsa_signature, - sigs[j].rsa_signature)) && - (0 == GNUNET_CRYPTO_rsa_public_key_cmp - (fc[i].pk->key.rsa_public_key, - pubs[j].rsa_public_key)) ) - { - found++; - break; - } - } - if (found != num_coins) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Only %u/%u coins match expectations\n", - found, num_coins); - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - break; - default: - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unknown HTTP response code %u.\n", - http_status); - } - TALER_TESTING_interpreter_next (rls->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_link_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct RefreshLinkState *rls = cls; - struct RefreshRevealState *rrs; - struct RefreshMeltState *rms; - const struct TALER_TESTING_Command *reveal_cmd; - const struct TALER_TESTING_Command *melt_cmd; - const struct TALER_TESTING_Command *coin_cmd; - rls->is = is; - - reveal_cmd = TALER_TESTING_interpreter_lookup_command - (rls->is, rls->reveal_reference); - - if (NULL == reveal_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - rrs = reveal_cmd->cls; - melt_cmd = TALER_TESTING_interpreter_lookup_command - (rls->is, rrs->melt_reference); - - if (NULL == melt_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - - /* find reserve_withdraw command */ - { - const struct MeltDetails *md; - - rms = melt_cmd->cls; - md = &rms->melted_coin; - coin_cmd = TALER_TESTING_interpreter_lookup_command - (rls->is, md->coin_reference); - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - } - - const struct TALER_CoinSpendPrivateKeyP *coin_priv; - if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv - (coin_cmd, 0, &coin_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } - - /* finally, use private key from withdraw sign command */ - rls->rlh = TALER_EXCHANGE_refresh_link - (is->exchange, coin_priv, &link_cb, rls); - - if (NULL == rls->rlh) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rls->is); - return; - } -} - - -/** - * Free the state of the "refresh link" CMD, and possibly - * cancel a operation thereof. - * - * @param cls closure - * @param cmd the command which is being cleaned up. - */ -static void -refresh_link_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct RefreshLinkState *rls = cls; - - if (NULL != rls->rlh) - { - - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - rls->is->ip, - cmd->label); - TALER_EXCHANGE_refresh_link_cancel (rls->rlh); - rls->rlh = NULL; - } - if (NULL != rls->retry_task) - { - GNUNET_SCHEDULER_cancel (rls->retry_task); - rls->retry_task = NULL; - } - GNUNET_free (rls); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_melt_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #refresh_melt_run. - * - * @param cls a `struct RefreshMeltState` - */ -static void -do_melt_retry (void *cls) -{ - struct RefreshMeltState *rms = cls; - - rms->retry_task = NULL; - refresh_melt_run (rms, - NULL, - rms->is); -} - - -/** - * Callback for a "refresh melt" operation; checks if the HTTP - * response code is okay and re-run the melt operation if the - * CMD was set to do so. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param noreveal_index choice by the exchange in the - * cut-and-choose protocol, UINT16_MAX on error. - * @param exchange_pub public key the exchange used for signing. - * @param full_response raw response body from the exchange. - */ -static void -melt_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - uint32_t noreveal_index, - const struct TALER_ExchangePublicKeyP *exchange_pub, - const json_t *full_response) -{ - struct RefreshMeltState *rms = cls; - - rms->rmh = NULL; - if (rms->expected_response_code != http_status) - { - if (GNUNET_YES == rms->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying refresh melt failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - rms->backoff = GNUNET_TIME_UNIT_ZERO; - else - rms->backoff = EXCHANGE_LIB_BACKOFF (rms->backoff); - rms->retry_task = GNUNET_SCHEDULER_add_delayed (rms->backoff, - &do_melt_retry, - rms); - return; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d to command %s in %s:%u\n", - http_status, - (int) ec, - rms->is->commands[rms->is->ip].label, - __FILE__, - __LINE__); - json_dumpf (full_response, stderr, 0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - rms->noreveal_index = noreveal_index; - - if (GNUNET_YES == rms->double_melt) - { - TALER_LOG_DEBUG ("Doubling the melt (%s)\n", - rms->is->commands[rms->is->ip].label); - rms->rmh = TALER_EXCHANGE_refresh_melt - (rms->is->exchange, rms->refresh_data_length, - rms->refresh_data, &melt_cb, rms); - rms->double_melt = GNUNET_NO; - return; - } - TALER_TESTING_interpreter_next (rms->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refresh_melt_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct RefreshMeltState *rms = cls; - unsigned int num_fresh_coins; - const struct TALER_TESTING_Command *coin_command; - /* FIXME: this should be dynamic */ - const char *melt_fresh_amounts[] = { - "EUR:1", "EUR:1", "EUR:1", "EUR:0.1", - NULL}; - const struct TALER_EXCHANGE_DenomPublicKey *fresh_pk; - - rms->is = is; - rms->noreveal_index = UINT16_MAX; - for (num_fresh_coins=0; - NULL != melt_fresh_amounts[num_fresh_coins]; - num_fresh_coins++) ; - - rms->fresh_pks = GNUNET_new_array - (num_fresh_coins, - struct TALER_EXCHANGE_DenomPublicKey); - { - const struct TALER_CoinSpendPrivateKeyP *melt_priv; - struct TALER_Amount melt_amount; - struct TALER_Amount fresh_amount; - const struct TALER_DenominationSignature *melt_sig; - const struct TALER_EXCHANGE_DenomPublicKey *melt_denom_pub; - - const struct MeltDetails *md = &rms->melted_coin; - if (NULL == (coin_command - = TALER_TESTING_interpreter_lookup_command - (is, md->coin_reference))) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv - (coin_command, 0, &melt_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - - if (GNUNET_OK != - TALER_string_to_amount (md->amount, - &melt_amount)) - { - GNUNET_break (0); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %u\n", - md->amount, - is->ip); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - if (GNUNET_OK != - TALER_TESTING_get_trait_denom_sig (coin_command, - 0, - &melt_sig)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - if (GNUNET_OK != TALER_TESTING_get_trait_denom_pub - (coin_command, 0, &melt_denom_pub)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - - for (unsigned int i=0;i<num_fresh_coins;i++) - { - if (GNUNET_OK != TALER_string_to_amount - (melt_fresh_amounts[i], &fresh_amount)) - { - GNUNET_break (0); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at index %u\n", - melt_fresh_amounts[i], i); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - fresh_pk = TALER_TESTING_find_pk - (TALER_EXCHANGE_get_keys (is->exchange), &fresh_amount); - if (NULL == fresh_pk) - { - GNUNET_break (0); - /* Subroutine logs specific error */ - TALER_TESTING_interpreter_fail (rms->is); - return; - } - - rms->fresh_pks[i] = *fresh_pk; - } - rms->refresh_data = TALER_EXCHANGE_refresh_prepare - (melt_priv, &melt_amount, melt_sig, melt_denom_pub, - GNUNET_YES, num_fresh_coins, rms->fresh_pks, - &rms->refresh_data_length); - - if (NULL == rms->refresh_data) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - rms->rmh = TALER_EXCHANGE_refresh_melt - (is->exchange, rms->refresh_data_length, - rms->refresh_data, &melt_cb, rms); - - if (NULL == rms->rmh) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (rms->is); - return; - } - } -} - - -/** - * Free the "refresh melt" CMD state, and possibly cancel a - * pending operation thereof. - * - * @param cls closure, typically a #struct RefreshMeltState. - * @param cmd the command which is being cleaned up. - */ -static void -refresh_melt_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct RefreshMeltState *rms = cls; - - if (NULL != rms->rmh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - rms->is->ip, rms->is->commands[rms->is->ip].label); - TALER_EXCHANGE_refresh_melt_cancel (rms->rmh); - rms->rmh = NULL; - } - if (NULL != rms->retry_task) - { - GNUNET_SCHEDULER_cancel (rms->retry_task); - rms->retry_task = NULL; - } - GNUNET_free_non_null (rms->fresh_pks); - rms->fresh_pks = NULL; - GNUNET_free_non_null (rms->refresh_data); - rms->refresh_data = NULL; - rms->refresh_data_length = 0; - GNUNET_free (rms); -} - - -/** - * Offer internal data to the "refresh melt" CMD. - * - * @param cls closure. - * @param ret[out] result (could be anything). - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -refresh_melt_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct RefreshMeltState *rms = cls; - - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_denom_pub (0, rms->fresh_pks), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Create a "refresh melt" command. - * - * @param label command label. - * @param amount amount to be melted. - * @param coin_reference reference to a command - * that will provide a coin to refresh. - * @param expected_response_code expected HTTP code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_melt - (const char *label, - const char *amount, - const char *coin_reference, - unsigned int expected_response_code) -{ - struct RefreshMeltState *rms; - struct MeltDetails md; - - md.coin_reference = coin_reference; - md.amount = amount; - - rms = GNUNET_new (struct RefreshMeltState); - rms->melted_coin = md; - rms->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .label = label, - .cls = rms, - .run = &refresh_melt_run, - .cleanup = &refresh_melt_cleanup, - .traits = &refresh_melt_traits - }; - - return cmd; -} - - -/** - * Create a "refresh melt" CMD that does TWO /refresh/melt - * requests. This was needed to test the replay of a valid melt - * request, see #5312. - * - * @param label command label - * @param exchange connection to the exchange - * @param amount amount to be melted. - * @param coin_reference reference to a command that will provide - * a coin to refresh - * @param expected_response_code expected HTTP code - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_melt_double - (const char *label, - const char *amount, - const char *coin_reference, - unsigned int expected_response_code) -{ - struct RefreshMeltState *rms; - struct MeltDetails md; - - md.coin_reference = coin_reference; - md.amount = amount; - - rms = GNUNET_new (struct RefreshMeltState); - rms->melted_coin = md; - rms->expected_response_code = expected_response_code; - rms->double_melt = GNUNET_YES; - - struct TALER_TESTING_Command cmd = { - .label = label, - .cls = rms, - .run = &refresh_melt_run, - .cleanup = &refresh_melt_cleanup, - .traits = &refresh_melt_traits - }; - - return cmd; -} - - -/** - * Modify a "refresh melt" command to enable retries. - * - * @param cmd command - * @return modified command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_melt_with_retry (struct TALER_TESTING_Command cmd) -{ - struct RefreshMeltState *rms; - - GNUNET_assert (&refresh_melt_run == cmd.run); - rms = cmd.cls; - rms->do_retry = GNUNET_YES; - return cmd; -} - - -/** - * Offer internal data from a "refresh reveal" CMD. - * - * @param cls closure. - * @param ret[out] result (could be anything). - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -refresh_reveal_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct RefreshRevealState *rrs = cls; - unsigned int num_coins = rrs->num_fresh_coins; -#define NUM_TRAITS ((num_coins * 3) + 3) - struct TALER_TESTING_Trait traits[NUM_TRAITS]; - - /* Making coin privs traits */ - for (unsigned int i=0; i<num_coins; i++) - traits[i] = TALER_TESTING_make_trait_coin_priv - (i, &rrs->fresh_coins[i].coin_priv); - - /* Making denom pubs traits */ - for (unsigned int i=0; i<num_coins; i++) - traits[num_coins + i] - = TALER_TESTING_make_trait_denom_pub - (i, rrs->fresh_coins[i].pk); - - /* Making denom sigs traits */ - for (unsigned int i=0; i<num_coins; i++) - traits[(num_coins * 2) + i] - = TALER_TESTING_make_trait_denom_sig - (i, &rrs->fresh_coins[i].sig); - - /* number of fresh coins */ - traits[(num_coins * 3)] = TALER_TESTING_make_trait_uint - (0, &rrs->num_fresh_coins); - - /* whole array of fresh coins */ - traits[(num_coins * 3) + 1] - = TALER_TESTING_make_trait_fresh_coins (0, rrs->fresh_coins), - - /* end of traits */ - traits[(num_coins * 3) + 2] = TALER_TESTING_trait_end (); - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Create a "refresh reveal" command. - * - * @param label command label. - * @param exchange connection to the exchange. - * @param melt_reference reference to a "refresh melt" command. - * @param expected_response_code expected HTTP response code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_reveal - (const char *label, - const char *melt_reference, - unsigned int expected_response_code) -{ - struct RefreshRevealState *rrs; - - rrs = GNUNET_new (struct RefreshRevealState); - rrs->melt_reference = melt_reference; - rrs->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = rrs, - .label = label, - .run = &refresh_reveal_run, - .cleanup = &refresh_reveal_cleanup, - .traits = &refresh_reveal_traits - }; - - return cmd; -} - - -/** - * Modify a "refresh reveal" command to enable retries. - * - * @param cmd command - * @return modified command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_reveal_with_retry (struct TALER_TESTING_Command cmd) -{ - struct RefreshRevealState *rrs; - - GNUNET_assert (&refresh_reveal_run == cmd.run); - rrs = cmd.cls; - rrs->do_retry = GNUNET_YES; - return cmd; -} - - -/** - * Create a "refresh link" command. - * - * @param label command label. - * @param reveal_reference reference to a "refresh reveal" CMD. - * @param expected_response_code expected HTTP response code - * - * @return the "refresh link" command - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_link - (const char *label, - const char *reveal_reference, - unsigned int expected_response_code) -{ - struct RefreshLinkState *rrs; - - rrs = GNUNET_new (struct RefreshLinkState); - rrs->reveal_reference = reveal_reference; - rrs->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = rrs, - .label = label, - .run = &refresh_link_run, - .cleanup = &refresh_link_cleanup - }; - - return cmd; -} - - -/** - * Modify a "refresh link" command to enable retries. - * - * @param cmd command - * @return modified command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refresh_link_with_retry (struct TALER_TESTING_Command cmd) -{ - struct RefreshLinkState *rls; - - GNUNET_assert (&refresh_link_run == cmd.run); - rls = cmd.cls; - rls->do_retry = GNUNET_YES; - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_refund.c b/src/exchange-lib/testing_api_cmd_refund.c deleted file mode 100644 index f6640d0fc..000000000 --- a/src/exchange-lib/testing_api_cmd_refund.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange/testing_api_cmd_refund.c - * @brief Implement the /refund test command, plus other - * corollary commands (?). - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "refund" CMD. - */ -struct RefundState -{ - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Amount to be refunded. - */ - const char *refund_amount; - - /** - * Expected refund fee. - */ - const char *refund_fee; - - /** - * Reference to any command that can provide a coin to refund. - */ - const char *coin_reference; - - /** - * Refund transaction identifier. - */ - uint64_t refund_transaction_id; - - /** - * Connection to the exchange. - */ - struct TALER_EXCHANGE_Handle *exchange; - - /** - * Handle to the refund operation. - */ - struct TALER_EXCHANGE_RefundHandle *rh; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - - -/** - * Check the result for the refund request, just check if the - * response code is acceptable. - * - * @param cls closure - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param exchange_pub public key the exchange - * used for signing @a obj. - * @param obj response object. - */ -static void -refund_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_ExchangePublicKeyP *exchange_pub, - const json_t *obj) -{ - - struct RefundState *rs = cls; - struct TALER_TESTING_Command *refund_cmd; - - refund_cmd = &rs->is->commands[rs->is->ip]; - rs->rh = NULL; - if (rs->expected_response_code != http_status) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u to command %s in %s:%u\n", - http_status, - refund_cmd->label, - __FILE__, - __LINE__); - json_dumpf (obj, stderr, 0); - TALER_TESTING_interpreter_fail (rs->is); - return; - } - - TALER_TESTING_interpreter_next (rs->is); -} - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -refund_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct RefundState *rs = cls; - const struct TALER_CoinSpendPrivateKeyP *coin_priv; - struct TALER_CoinSpendPublicKeyP coin; - const json_t *contract_terms; - struct GNUNET_HashCode h_contract_terms; - struct TALER_Amount refund_fee; - struct TALER_Amount refund_amount; - const struct GNUNET_CRYPTO_EddsaPrivateKey *merchant_priv; - const struct TALER_TESTING_Command *coin_cmd; - - rs->exchange = is->exchange; - rs->is = is; - - if (GNUNET_OK != - TALER_string_to_amount (rs->refund_amount, - &refund_amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %u/%s\n", - rs->refund_amount, - is->ip, - cmd->label); - TALER_TESTING_interpreter_fail (is); - return; - } - if (GNUNET_OK != - TALER_string_to_amount (rs->refund_fee, - &refund_fee)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %u/%s\n", - rs->refund_fee, - is->ip, - cmd->label); - TALER_TESTING_interpreter_fail (is); - return; - } - - coin_cmd = TALER_TESTING_interpreter_lookup_command - (is, rs->coin_reference); - - if (NULL == coin_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_contract_terms - (coin_cmd, 0, &contract_terms)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert (GNUNET_OK == - TALER_JSON_hash (contract_terms, - &h_contract_terms)); - - /* Hunting for a coin .. */ - if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv - (coin_cmd, 0, &coin_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, - &coin.eddsa_pub); - if (GNUNET_OK != TALER_TESTING_get_trait_peer_key - (coin_cmd, 0, &merchant_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - rs->rh = TALER_EXCHANGE_refund - (rs->exchange, - &refund_amount, - &refund_fee, - &h_contract_terms, - &coin, - rs->refund_transaction_id, - (const struct TALER_MerchantPrivateKeyP *) merchant_priv, - &refund_cb, rs); - - GNUNET_assert (NULL != rs->rh); -} - - -/** - * Free the state from a "refund" CMD, and possibly cancel - * a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -refund_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct RefundState *rs = cls; - - if (NULL != rs->rh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - rs->is->ip, - cmd->label); - TALER_EXCHANGE_refund_cancel (rs->rh); - rs->rh = NULL; - } - GNUNET_free (rs); -} - -/** - * Create a "refund" command. - * - * @param label command label. - * @param expected_response_code expected HTTP status code. - * @param refund_amount the amount to ask a refund for. - * @param refund_fee expected refund fee. - * @param coin_reference reference to a command that can - * provide a coin to be refunded. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refund (const char *label, - unsigned int expected_response_code, - const char *refund_amount, - const char *refund_fee, - const char *coin_reference) -{ - struct RefundState *rs; - - rs = GNUNET_new (struct RefundState); - - rs->expected_response_code = expected_response_code; - rs->refund_amount = refund_amount; - rs->refund_fee = refund_fee; - rs->coin_reference = coin_reference; - - struct TALER_TESTING_Command cmd = { - .cls = rs, - .label = label, - .run = &refund_run, - .cleanup = &refund_cleanup - }; - - return cmd; -} - -/** - * Create a "refund" command, allow to specify refund transaction - * id. Mainly used to create conflicting requests. - * - * @param label command label. - * @param expected_response_code expected HTTP status code. - * @param refund_amount the amount to ask a refund for. - * @param refund_fee expected refund fee. - * @param coin_reference reference to a command that can - * provide a coin to be refunded. - * @param refund_transaction_id transaction id to use - * in the request. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_refund_with_id - (const char *label, - unsigned int expected_response_code, - const char *refund_amount, - const char *refund_fee, - const char *coin_reference, - uint64_t refund_transaction_id) -{ - struct RefundState *rs; - - rs = GNUNET_new (struct RefundState); - - rs->expected_response_code = expected_response_code; - rs->refund_amount = refund_amount; - rs->refund_fee = refund_fee; - rs->coin_reference = coin_reference; - rs->refund_transaction_id = refund_transaction_id; - - struct TALER_TESTING_Command cmd = { - .cls = rs, - .label = label, - .run = &refund_run, - .cleanup = &refund_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_serialize_keys.c b/src/exchange-lib/testing_api_cmd_serialize_keys.c deleted file mode 100644 index 38d32eadd..000000000 --- a/src/exchange-lib/testing_api_cmd_serialize_keys.c +++ /dev/null @@ -1,315 +0,0 @@ -/* - This file is part of TALER - (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_serialize_keys.c - * @brief Lets tests use the keys serialization API. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include <jansson.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * Internal state for a serialize-keys CMD. - */ -struct SerializeKeysState -{ - /** - * Serialized keys. - */ - json_t *keys; - - /** - * Exchange URL. Needed because the exchange gets disconnected - * from, after keys serialization. This value is then needed by - * subsequent commands that have to reconnect to the exchagne. - */ - const char *exchange_url; -}; - - -/** - * Internal state for a connect-with-state CMD. - */ -struct ConnectWithStateState -{ - - /** - * Reference to a CMD that offers a serialized key-state - * that will be used in the reconnection. - */ - const char *state_reference; - - /** - * If set to GNUNET_YES, then the /keys callback has already - * been passed the control to the next CMD. This is necessary - * because it is not uncommon that the /keys callback gets - * invoked multiple times, and without this flag, we would keep - * going "next" CMD upon every invocation (causing impredictable - * behaviour as for the instruction pointer.) - */ - unsigned int consumed; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -serialize_keys_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct SerializeKeysState *sks = cls; - - sks->keys = TALER_EXCHANGE_serialize_data (is->exchange); - if (NULL == sks->keys) - TALER_TESTING_interpreter_fail (is); - - sks->exchange_url = GNUNET_strdup - (TALER_EXCHANGE_get_base_url (is->exchange)); - TALER_EXCHANGE_disconnect (is->exchange); - is->exchange = NULL; - TALER_TESTING_interpreter_next (is); -} - - -/** - * Cleanup the state of a "serialize keys" CMD. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -void -serialize_keys_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct SerializeKeysState *sks = cls; - - if (NULL != sks->keys) - { - json_decref (sks->keys); - } - - GNUNET_free ((char *) sks->exchange_url); - GNUNET_free (sks); -} - - -/** - * Offer serialized keys as trait. - * - * @param cls closure. - * @param ret[out] result. - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -serialize_keys_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct SerializeKeysState *sks = cls; - - struct TALER_TESTING_Trait traits[] = { - - TALER_TESTING_make_trait_exchange_keys (0, sks->keys), - TALER_TESTING_make_trait_url (0, sks->exchange_url), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - -/** - * /keys callback. Just checks HTTP status is OK, - * and step forward to next command. - * - * @param cls closure - * @param keys information about the various keys used - * by the exchange, NULL if /keys failed - * @param compat protocol compatibility information* - */ -static void -cb (void *cls, - const struct TALER_EXCHANGE_Keys *keys, - enum TALER_EXCHANGE_VersionCompatibility compat) -{ - struct ConnectWithStateState *cwss = cls; - - if (GNUNET_YES == cwss->consumed) - { - TALER_LOG_DEBUG ("Reconnection /keys 'cb' invoked already," - " nothing to do\n"); - return; - } - - cwss->consumed = GNUNET_YES; - if (NULL == keys) - TALER_TESTING_interpreter_fail (cwss->is); - - TALER_LOG_DEBUG ("reconnect next CMD\n"); - TALER_TESTING_interpreter_next (cwss->is); -} - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -connect_with_state_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct ConnectWithStateState *cwss = cls; - const struct TALER_TESTING_Command *state_cmd; - const json_t *serialized_keys; - const char *exchange_url; - - cwss->is = is; - state_cmd = TALER_TESTING_interpreter_lookup_command - (is, cwss->state_reference); - - /* Command providing serialized keys not found. */ - if (NULL == state_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_get_trait_exchange_keys - (state_cmd, - 0, - &serialized_keys)); - - TALER_LOG_DEBUG ("Serialized key-state: %s\n", - json_dumps (serialized_keys, - JSON_INDENT (1))); - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_get_trait_url - (state_cmd, - 0, - &exchange_url)); - - is->exchange = TALER_EXCHANGE_connect - (is->ctx, - exchange_url, - cb, - cwss, - TALER_EXCHANGE_OPTION_DATA, - serialized_keys, - TALER_EXCHANGE_OPTION_END); -} - - -/** - * Cleanup the state of a "connect with state" CMD. Just - * a placeholder to avoid jumping on an invalid address. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -void -connect_with_state_cleanup - (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct ConnectWithStateState *cwss = cls; - - GNUNET_free (cwss); -} - -/** - * Make a serialize-keys CMD. It will ask for - * keys serialization __and__ disconnect from the - * exchange. - * - * @param label CMD label - * @return the CMD. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_serialize_keys (const char *label) -{ - struct SerializeKeysState *sks; - - sks = GNUNET_new (struct SerializeKeysState); - struct TALER_TESTING_Command cmd = { - .cls = sks, - .label = label, - .run = serialize_keys_run, - .cleanup = serialize_keys_cleanup, - .traits = serialize_keys_traits - }; - - return cmd; -} - -/** - * Make a connect-with-state CMD. This command - * will use a serialized key state to reconnect - * to the exchange. - * - * @param label command label - * @param state_reference label of a CMD offering - * a serialized key state. - * @return the CMD. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_connect_with_state (const char *label, - const char *state_reference) -{ - struct ConnectWithStateState *cwss; - - cwss = GNUNET_new (struct ConnectWithStateState); - cwss->state_reference = state_reference; - cwss->consumed = GNUNET_NO; - - struct TALER_TESTING_Command cmd = { - .cls = cwss, - .label = label, - .run = connect_with_state_run, - .cleanup = connect_with_state_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_signal.c b/src/exchange-lib/testing_api_cmd_signal.c deleted file mode 100644 index f4fd8bb76..000000000 --- a/src/exchange-lib/testing_api_cmd_signal.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - This file is part of TALER - (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_cmd_signal.c - * @brief command(s) to send signals to processes. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "signal" CMD. - */ -struct SignalState -{ - /** - * The process to send the signal to. - */ - struct GNUNET_OS_Process *process; - - /** - * The signal to send to the process. - */ - int signal; -}; - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -signal_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct SignalState *ss = cls; - - GNUNET_break (0 == GNUNET_OS_process_kill - (ss->process, ss->signal)); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Signaling '%d'..\n", - ss->signal); - sleep (6); - TALER_TESTING_interpreter_next (is); -} - - -/** - * Cleanup the state from a "signal" CMD. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -signal_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct SignalState *ss = cls; - - GNUNET_free (ss); -} - - -/** - * Create a "signal" CMD. - * - * @param label command label. - * @param process handle to the process to signal. - * @param signal signal to send. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_signal (const char *label, - struct GNUNET_OS_Process *process, - int signal) -{ - struct SignalState *ss; - - ss = GNUNET_new (struct SignalState); - ss->process = process; - ss->signal = signal; - - - struct TALER_TESTING_Command cmd = { - .cls = ss, - .label = label, - .run = &signal_run, - .cleanup = &signal_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_sleep.c b/src/exchange-lib/testing_api_cmd_sleep.c deleted file mode 100644 index 165d0aae4..000000000 --- a/src/exchange-lib/testing_api_cmd_sleep.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - This file is part of TALER - (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_cmd_sleep.c - * @brief command(s) to sleep for a bit - * @author Christian Grothoff - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "sleep" CMD. - */ -struct SleepState -{ - - /** - * How long should we sleep? - */ - unsigned int duration; -}; - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -sleep_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct SleepState *ss = cls; - - sleep (ss->duration); - TALER_TESTING_interpreter_next (is); -} - - -/** - * Cleanup the state from a "sleep" CMD. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -sleep_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct SleepState *ss = cls; - - GNUNET_free (ss); -} - - -/** - * Sleep for @a duration_s seconds. - * - * @param label command label. - * @param duration_s number of seconds to sleep - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_sleep (const char *label, - unsigned int duration_s) -{ - struct SleepState *ss; - - ss = GNUNET_new (struct SleepState); - ss->duration = duration_s; - - - struct TALER_TESTING_Command cmd = { - .cls = ss, - .label = label, - .run = &sleep_run, - .cleanup = &sleep_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_status.c b/src/exchange-lib/testing_api_cmd_status.c deleted file mode 100644 index 8e9290f6d..000000000 --- a/src/exchange-lib/testing_api_cmd_status.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange/testing_api_cmd_status.c - * @brief Implement the /reserve/status test command. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - - -/** - * State for a "status" CMD. - */ -struct StatusState -{ - /** - * Label to the command which created the reserve to check, - * needed to resort the reserve key. - */ - const char *reserve_reference; - - /** - * Handle to the "reserve status" operation. - */ - struct TALER_EXCHANGE_ReserveStatusHandle *rsh; - - /** - * Expected reserve balance. - */ - const char *expected_balance; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - - -/** - * Check that the reserve balance and HTTP response code are - * both acceptable. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param balance current balance in the reserve, NULL on error. - * @param history_length number of entries in the transaction - * history, 0 on error. - * @param history detailed transaction history, NULL on error. - */ -static void -reserve_status_cb - (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const json_t *json, - const struct TALER_Amount *balance, - unsigned int history_length, - const struct TALER_EXCHANGE_ReserveHistory *history) -{ - struct StatusState *ss = cls; - struct TALER_Amount eb; - - ss->rsh = NULL; - if (ss->expected_response_code != http_status) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected HTTP response code: %d in %s:%u\n", - http_status, - __FILE__, - __LINE__); - TALER_TESTING_interpreter_fail (ss->is); - return; - } - - GNUNET_assert (GNUNET_OK == TALER_string_to_amount - (ss->expected_balance, &eb)); - - if (0 != TALER_amount_cmp (&eb, balance)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected amount in reserve: %s\n", - TALER_amount_to_string (balance)); - TALER_TESTING_interpreter_fail (ss->is); - return; - } - -/** - * Fixme: need a way to check if reserve history is consistent. - * Every command which relates to reserve 'x' should be added in - * a linked list of all commands that relate to the same reserve - * 'x'. - * - * API-wise, any command that relates to a reserve should offer a - * method called e.g. "compare_with_history" that takes an element - * of the array returned by "/reserve/status" and checks if that - * element correspond to itself (= the command exposing the check- - * method). - * - * IDEA: Maybe realize this via another trait, some kind of - * "reserve history update trait" which returns information about - * how the command changes the history (provided only by commands - * that change reserve balances)? - */ - - TALER_TESTING_interpreter_next (ss->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command being executed. - * @param is the interpreter state. - */ -static void -status_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct StatusState *ss = cls; - const struct TALER_TESTING_Command *create_reserve; - const struct TALER_ReservePrivateKeyP *reserve_priv; - struct TALER_ReservePublicKeyP reserve_pub; - - ss->is = is; - GNUNET_assert (NULL != ss->reserve_reference); - - create_reserve - = TALER_TESTING_interpreter_lookup_command - (is, ss->reserve_reference); - - if (NULL == create_reserve) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - /* NOTE: the following line might generate a ERROR log - * statements, but it can be ignored. */ - if (GNUNET_OK == TALER_TESTING_get_trait_reserve_priv - (create_reserve, - 0, - &reserve_priv)) - { - GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv, - &reserve_pub.eddsa_pub); - } - else - { - const char *transfer_subject; - - if (GNUNET_OK != TALER_TESTING_get_trait_transfer_subject - (create_reserve, - 0, - &transfer_subject)) - { - GNUNET_break (0); - TALER_LOG_ERROR - ("The reserve has neither a priv nor a subject line..\n"); - TALER_TESTING_interpreter_fail (is); - return; - - } - - GNUNET_STRINGS_string_to_data - (transfer_subject, - strlen (transfer_subject), - &reserve_pub.eddsa_pub, - sizeof (struct TALER_ReservePublicKeyP)); - } - - ss->rsh = TALER_EXCHANGE_reserve_status (is->exchange, - &reserve_pub, - &reserve_status_cb, - ss); -} - - -/** - * Cleanup the state from a "reserve status" CMD, and possibly - * cancel a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -status_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct StatusState *ss = cls; - - if (NULL != ss->rsh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - ss->is->ip, - cmd->label); - TALER_EXCHANGE_reserve_status_cancel (ss->rsh); - ss->rsh = NULL; - } - GNUNET_free (ss); -} - - -/** - * Create a "reserve status" command. - * - * @param label the command label. - * @param reserve_reference reference to the reserve to check. - * @param expected_balance expected balance for the reserve. - * @param expected_response_code expected HTTP response code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_status (const char *label, - const char *reserve_reference, - const char *expected_balance, - unsigned int expected_response_code) -{ - struct StatusState *ss; - - ss = GNUNET_new (struct StatusState); - ss->reserve_reference = reserve_reference; - ss->expected_balance = expected_balance; - ss->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = ss, - .label = label, - .run = &status_run, - .cleanup = &status_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_track.c b/src/exchange-lib/testing_api_cmd_track.c deleted file mode 100644 index 4898a097c..000000000 --- a/src/exchange-lib/testing_api_cmd_track.c +++ /dev/null @@ -1,810 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014-2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange/testing_api_cmd_track.c - * @brief Implement the testing CMDs for the /track operations. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_testing_lib.h" - -/** - * State for a "track transaction" CMD. - */ -struct TrackTransactionState -{ - - /** - * If non NULL, will provide a WTID to be compared against - * the one returned by the "track transaction" operation. - */ - const char *bank_transfer_reference; - - /** - * The WTID associated by the transaction being tracked. - */ - struct TALER_WireTransferIdentifierRawP wtid; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Reference to any operation that can provide a transaction. - * Will be the transaction to track. - */ - const char *transaction_reference; - - /** - * Index of the coin involved in the transaction. Recall: - * at the exchange, the tracking is done _per coin_. - */ - unsigned int coin_index; - - /** - * Handle to the "track transaction" pending operation. - */ - struct TALER_EXCHANGE_TrackTransactionHandle *tth; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - - -/** - * State for a "track transfer" CMD. - */ -struct TrackTransferState -{ - - /** - * Expected amount for the WTID being tracked. - */ - const char *expected_total_amount; - - /** - * Expected fee for this WTID. - */ - const char *expected_wire_fee; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Reference to any operation that can provide a WTID. - * Will be the WTID to track. - */ - const char *wtid_reference; - - /** - * Reference to any operation that can provide wire details. - * Those wire details will then be matched against the credit - * bank account of the tracked WTID. This way we can test that - * a wire transfer paid back one particular bank account. - */ - const char *wire_details_reference; - - /** - * Reference to any operation that can provide an amount. - * This way we can check that the transferred amount matches - * our expectations. - */ - const char *total_amount_reference; - - /** - * Index to the WTID to pick, in case @a wtid_reference has - * many on offer. - */ - unsigned int index; - - /** - * Handle to a pending "track transfer" operation. - */ - struct TALER_EXCHANGE_TrackTransferHandle *tth; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - - -/** - * Checks what is returned by the "track transaction" operation. - * Checks that the HTTP response code is acceptable, and - if the - * right reference is non NULL - that the wire transfer subject - * line matches our expectations. - * - * @param cls closure. - * @param http_status HTTP status code we got. - * @param ec taler-specific error code. - * @param json original json reply (may include signatures, those - * have then been validated already). - * @param wtid wire transfer identifier, NULL if exchange did not - * execute the transaction yet. - * @param execution_time actual or planned execution time for the - * wire transfer. - * @param coin_contribution contribution to the @a total_amount of - * the deposited coin (can be NULL). - * @param total_amount total amount of the wire transfer, or NULL - * if the exchange could not provide any @a wtid (set only - * if @a http_status is #MHD_HTTP_OK). - */ -static void -deposit_wtid_cb - (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_ExchangePublicKeyP *exchange_pub, - const json_t *json, - const struct TALER_WireTransferIdentifierRawP *wtid, - struct GNUNET_TIME_Absolute execution_time, - const struct TALER_Amount *coin_contribution) -{ - struct TrackTransactionState *tts = cls; - struct TALER_TESTING_Interpreter *is = tts->is; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - tts->tth = NULL; - if (tts->expected_response_code != http_status) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u to command %s in %s:%u\n", - http_status, - cmd->label, - __FILE__, - __LINE__); - json_dumpf (json, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - switch (http_status) - { - case MHD_HTTP_OK: - tts->wtid = *wtid; - if (NULL != tts->bank_transfer_reference) - { - const struct TALER_TESTING_Command *bank_transfer_cmd; - char *ws; - - /* _this_ wire transfer subject line. */ - ws = GNUNET_STRINGS_data_to_string_alloc (wtid, - sizeof (*wtid)); - - bank_transfer_cmd = TALER_TESTING_interpreter_lookup_command - (is, tts->bank_transfer_reference); - - if (NULL == bank_transfer_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - /* expected wire transfer subject line. */ - const char *transfer_subject; - - if (GNUNET_OK != - TALER_TESTING_get_trait_transfer_subject - (bank_transfer_cmd, 0, &transfer_subject)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - /* Compare that expected and gotten subjects match. */ - if (0 != strcmp (ws, transfer_subject)) - { - GNUNET_break (0); - GNUNET_free (ws); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - GNUNET_free (ws); - } - break; - case MHD_HTTP_ACCEPTED: - /* allowed, nothing to check here */ - break; - case MHD_HTTP_NOT_FOUND: - /* allowed, nothing to check here */ - break; - default: - GNUNET_break (0); - break; - } - TALER_TESTING_interpreter_next (tts->is); -} - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -track_transaction_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct TrackTransactionState *tts = cls; - const struct TALER_TESTING_Command *transaction_cmd; - const struct TALER_CoinSpendPrivateKeyP *coin_priv; - struct TALER_CoinSpendPublicKeyP coin_pub; - const json_t *contract_terms; - const json_t *wire_details; - struct GNUNET_HashCode h_wire_details; - struct GNUNET_HashCode h_contract_terms; - const struct GNUNET_CRYPTO_EddsaPrivateKey *merchant_priv; - - tts->is = is; - transaction_cmd = TALER_TESTING_interpreter_lookup_command - (tts->is, tts->transaction_reference); - - if (NULL == transaction_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv - (transaction_cmd, tts->coin_index, &coin_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, - &coin_pub.eddsa_pub); - - /* Get the strings.. */ - if (GNUNET_OK != TALER_TESTING_get_trait_wire_details - (transaction_cmd, 0, &wire_details)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_contract_terms - (transaction_cmd, 0, &contract_terms)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - if ((NULL == wire_details) || (NULL == contract_terms)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - /* Should not fail here, json has been parsed already */ - GNUNET_assert - ( (GNUNET_OK == - TALER_JSON_merchant_wire_signature_hash (wire_details, - &h_wire_details)) && - (GNUNET_OK == - TALER_JSON_hash (contract_terms, - &h_contract_terms)) ); - - if (GNUNET_OK != TALER_TESTING_get_trait_peer_key - (transaction_cmd, 0, &merchant_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - tts->tth = TALER_EXCHANGE_track_transaction - (is->exchange, - (struct TALER_MerchantPrivateKeyP *) merchant_priv, - &h_wire_details, - &h_contract_terms, - &coin_pub, - &deposit_wtid_cb, - tts); - - GNUNET_assert (NULL != tts->tth); -} - -/** - * Cleanup the state from a "track transaction" CMD, and possibly - * cancel a operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -void -track_transaction_cleanup - (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct TrackTransactionState *tts = cls; - - if (NULL != tts->tth) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - tts->is->ip, - cmd->label); - TALER_EXCHANGE_track_transaction_cancel (tts->tth); - tts->tth = NULL; - } - GNUNET_free (tts); -} - - -/** - * Offer internal data from a "track transaction" CMD. - * - * @param cls closure. - * @param ret[out] result (could be anything). - * @param trait name of the trait. - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success. - */ -static int -track_transaction_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct TrackTransactionState *tts = cls; - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_wtid (0, &tts->wtid), - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Create a "track transaction" command. - * - * @param label the command label. - * @param transaction_reference reference to a deposit operation, - * will be used to get the input data for the track. - * @param coin_index index of the coin involved in the transaction. - * @param expected_response_code expected HTTP response code. - * @param bank_transfer_reference reference to a command that - * can offer a WTID so as to check that against what WTID - * the tracked operation has. Set as NULL if not needed. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_track_transaction - (const char *label, - const char *transaction_reference, - unsigned int coin_index, - unsigned int expected_response_code, - const char *bank_transfer_reference) -{ - struct TrackTransactionState *tts; - - tts = GNUNET_new (struct TrackTransactionState); - tts->transaction_reference = transaction_reference; - tts->expected_response_code = expected_response_code; - tts->bank_transfer_reference = bank_transfer_reference; - tts->coin_index = coin_index; - - struct TALER_TESTING_Command cmd = { - .cls = tts, - .label = label, - .run = &track_transaction_run, - .cleanup = &track_transaction_cleanup, - .traits = &track_transaction_traits - }; - - return cmd; -} - -/** - * Cleanup the state for a "track transfer" CMD, and possibly - * cancel a pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -void -track_transfer_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - - struct TrackTransferState *tts = cls; - - if (NULL != tts->tth) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - tts->is->ip, - cmd->label); - TALER_EXCHANGE_track_transfer_cancel (tts->tth); - tts->tth = NULL; - } - GNUNET_free (tts); - -} - -/** - * Check whether the HTTP response code from a "track transfer" - * operation is acceptable, and all other values like total amount, - * wire fees and hashed wire details as well. - * - * @param cls closure. - * @param http_status HTTP status code we got. - * @param ec taler-specific error code. - * @param exchange_pub public key the exchange used for signing - * the response. - * @param json original json reply (may include signatures, those - * have then been validated already). - * @param h_wire hash of the wire transfer address the transfer - * went to, or NULL on error. - * @param execution_time time when the exchange claims to have - * performed the wire transfer. - * @param total_amount total amount of the wire transfer, or NULL - * if the exchange could not provide any @a wtid (set only - * if @a http_status is "200 OK"). - * @param wire_fee wire fee that was charged by the exchange. - * @param details_length length of the @a details array. - * @param details array with details about the combined - * transactions. - */ -static void -track_transfer_cb - (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_ExchangePublicKeyP *exchange_pub, - const json_t *json, - const struct GNUNET_HashCode *h_wire, - struct GNUNET_TIME_Absolute execution_time, - const struct TALER_Amount *total_amount, - const struct TALER_Amount *wire_fee, - unsigned int details_length, - const struct TALER_TrackTransferDetails *details) -{ - struct TrackTransferState *tts = cls; - struct TALER_TESTING_Interpreter *is = tts->is; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - struct TALER_Amount expected_amount; - - tts->tth = NULL; - - if (tts->expected_response_code != http_status) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u to command %s in %s:%u\n", - http_status, - cmd->label, - __FILE__, - __LINE__); - json_dumpf (json, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if ( (NULL == tts->expected_total_amount) || - (NULL == tts->expected_wire_fee) ) - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Expected amount and fee not specified, " - "likely to segfault...\n"); - - switch (http_status) - { - case MHD_HTTP_OK: - if (GNUNET_OK != - TALER_string_to_amount (tts->expected_total_amount, - &expected_amount)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - if (0 != TALER_amount_cmp (total_amount, - &expected_amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Total amount missmatch to command %s - " - "%s vs %s\n", - cmd->label, - TALER_amount_to_string (total_amount), - TALER_amount_to_string (&expected_amount)); - json_dumpf (json, stderr, 0); - fprintf (stderr, "\n"); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != - TALER_string_to_amount (tts->expected_wire_fee, - &expected_amount)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (0 != TALER_amount_cmp (wire_fee, - &expected_amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Wire fee missmatch to command %s\n", - cmd->label); - json_dumpf (json, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - - /** - * Optionally checking: (1) wire-details for this transfer - * match the ones from a referenced "deposit" operation - - * or any operation that could provide wire-details. (2) - * Total amount for this transfer matches the one from any - * referenced command that could provide one. - */ - - if (NULL != tts->wire_details_reference) - { - const struct TALER_TESTING_Command *wire_details_cmd; - const json_t *wire_details; - struct GNUNET_HashCode h_wire_details; - - if (NULL == (wire_details_cmd - = TALER_TESTING_interpreter_lookup_command - (is, tts->wire_details_reference))) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != - TALER_TESTING_get_trait_wire_details (wire_details_cmd, - 0, - &wire_details)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert - (GNUNET_OK == - TALER_JSON_merchant_wire_signature_hash (wire_details, - &h_wire_details)); - - if (0 != memcmp (&h_wire_details, - h_wire, - sizeof (struct GNUNET_HashCode))) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Wire hash missmath to command %s\n", - cmd->label); - json_dumpf (json, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - } - if (NULL != tts->total_amount_reference) - { - const struct TALER_TESTING_Command *total_amount_cmd; - const char *total_amount_from_reference_str; - struct TALER_Amount total_amount_from_reference; - - if (NULL == (total_amount_cmd - = TALER_TESTING_interpreter_lookup_command - (is, tts->total_amount_reference))) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_amount - (total_amount_cmd, 0, &total_amount_from_reference_str)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_assert (GNUNET_OK == TALER_string_to_amount - (total_amount_from_reference_str, - &total_amount_from_reference)); - - if (0 != TALER_amount_cmp (total_amount, - &total_amount_from_reference)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Amount missmath to command %s\n", - cmd->label); - json_dumpf (json, stderr, 0); - TALER_TESTING_interpreter_fail (is); - return; - } - } - } - TALER_TESTING_interpreter_next (is); -} - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command under execution. - * @param is the interpreter state. - */ -void -track_transfer_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - /* looking for a wtid to track .. */ - struct TrackTransferState *tts = cls; - struct TALER_WireTransferIdentifierRawP wtid; - const struct TALER_WireTransferIdentifierRawP *wtid_ptr; - - /* If no reference is given, we'll use a all-zeros - * WTID */ - memset (&wtid, 0, sizeof (wtid)); - wtid_ptr = &wtid; - - tts->is = is; - if (NULL != tts->wtid_reference) - { - const struct TALER_TESTING_Command *wtid_cmd; - - wtid_cmd = TALER_TESTING_interpreter_lookup_command - (tts->is, tts->wtid_reference); - - if (NULL == wtid_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_wtid - (wtid_cmd, tts->index, &wtid_ptr)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (tts->is); - return; - } - GNUNET_assert (NULL != wtid_ptr); - } - tts->tth = TALER_EXCHANGE_track_transfer (is->exchange, - wtid_ptr, - &track_transfer_cb, - tts); - GNUNET_assert (NULL != tts->tth); -} - -/** - * Make a "track transfer" CMD where no "expected"-arguments, - * except the HTTP response code, are given. The best use case - * is when what matters to check is the HTTP response code, e.g. - * when a bogus WTID was passed. - * - * @param label the command label - * @param wtid_reference reference to any command which can provide - * a wtid. If NULL is given, then a all zeroed WTID is - * used that will at 99.9999% probability NOT match any - * existing WTID known to the exchange. - * @param index index number of the WTID to track, in case there - * are multiple on offer. - * @param expected_response_code expected HTTP response code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_track_transfer_empty - (const char *label, - const char *wtid_reference, - unsigned int index, - unsigned int expected_response_code) -{ - struct TrackTransferState *tts; - - tts = GNUNET_new (struct TrackTransferState); - - tts->wtid_reference = wtid_reference; - tts->index = index; - tts->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = tts, - .label = label, - .run = &track_transfer_run, - .cleanup = &track_transfer_cleanup - }; - - return cmd; -} - -/** - * Make a "track transfer" command, specifying which amount and - * wire fee are expected. - * - * @param label the command label. - * @param wtid_reference reference to any command which can provide - * a wtid. Will be the one tracked. - * @param index in case there are multiple WTID offered, this - * parameter selects a particular one. - * @param expected_response_code expected HTTP response code. - * @param expected_amount how much money we expect being moved - * with this wire-transfer. - * @param expected_wire_fee expected wire fee. - * - * @return the command - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_track_transfer - (const char *label, - const char *wtid_reference, - unsigned int index, - unsigned int expected_response_code, - const char *expected_total_amount, - const char *expected_wire_fee) -{ - struct TrackTransferState *tts; - - tts = GNUNET_new (struct TrackTransferState); - - tts->wtid_reference = wtid_reference; - tts->index = index; - tts->expected_response_code = expected_response_code; - tts->expected_total_amount = expected_total_amount; - tts->expected_wire_fee = expected_wire_fee; - - struct TALER_TESTING_Command cmd = { - .cls = tts, - .label = label, - .run = &track_transfer_run, - .cleanup = &track_transfer_cleanup - }; - - return cmd; -} - -/* end of testing_api_cmd_track.c */ diff --git a/src/exchange-lib/testing_api_cmd_wire.c b/src/exchange-lib/testing_api_cmd_wire.c deleted file mode 100644 index 113545499..000000000 --- a/src/exchange-lib/testing_api_cmd_wire.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_cmd_wire.c - * @brief command for testing /wire. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_wire_lib.h" -#include "taler_testing_lib.h" - - -/** - * State for a "wire" CMD. - */ -struct WireState -{ - - /** - * Handle to the /wire operation. - */ - struct TALER_EXCHANGE_WireHandle *wh; - - /** - * Which wire-method we expect is offered by the exchange. - */ - const char *expected_method; - - /** - * Flag indicating if the expected method is actually - * offered. - */ - unsigned int method_found; - - /** - * Fee we expect is charged for this wire-transfer method. - */ - const char *expected_fee; - - /** - * Expected HTTP response code. - */ - unsigned int expected_response_code; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; -}; - - -/** - * Check whether the HTTP response code is acceptable, that - * the expected wire method is offered by the exchange, and - * that the wire fee is acceptable too. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param accounts_len length of the @a accounts array. - * @param accounts list of wire accounts of the exchange, - * NULL on error. - */ -static void -wire_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - unsigned int accounts_len, - const struct TALER_EXCHANGE_WireAccount *accounts) -{ - struct WireState *ws = cls; - struct TALER_TESTING_Command *cmd = \ - &ws->is->commands[ws->is->ip]; - struct TALER_Amount expected_fee; - - TALER_LOG_DEBUG ("Checking parsed /wire response\n"); - ws->wh = NULL; - if (ws->expected_response_code != http_status) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (ws->is); - return; - } - - if (MHD_HTTP_OK == http_status) - { - for (unsigned int i=0;i<accounts_len;i++) - { - char *method; - - method = TALER_WIRE_payto_get_method (accounts[i].url); - if (0 == strcmp (ws->expected_method, - method)) - { - ws->method_found = GNUNET_OK; - if (NULL != ws->expected_fee) - { - GNUNET_assert - (GNUNET_OK == - TALER_string_to_amount (ws->expected_fee, - &expected_fee)); - const struct TALER_EXCHANGE_WireAggregateFees *waf; - for (waf = accounts[i].fees; - NULL != waf; - waf = waf->next) - { - if (0 != TALER_amount_cmp (&waf->wire_fee, - &expected_fee)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Wire fee missmatch to command %s\n", - cmd->label); - TALER_TESTING_interpreter_fail (ws->is); - GNUNET_free (method); - return; - } - } - } - } - TALER_LOG_DEBUG ("Freeing method '%s'\n", - method); - GNUNET_free (method); - } - if (GNUNET_OK != ws->method_found) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "/wire does not offer method '%s'\n", - ws->expected_method); - TALER_TESTING_interpreter_fail (ws->is); - return; - } - } - - TALER_TESTING_interpreter_next (ws->is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command to execute. - * @param is the interpreter state. - */ -static void -wire_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct WireState *ws = cls; - ws->is = is; - ws->wh = TALER_EXCHANGE_wire (is->exchange, - &wire_cb, - ws); -} - - -/** - * Cleanup the state of a "wire" CMD, and possibly cancel a - * pending operation thereof. - * - * @param cls closure. - * @param cmd the command which is being cleaned up. - */ -static void -wire_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct WireState *ws = cls; - - if (NULL != ws->wh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %u (%s) did not complete\n", - ws->is->ip, - cmd->label); - TALER_EXCHANGE_wire_cancel (ws->wh); - ws->wh = NULL; - } - GNUNET_free (ws); -} - -/** - * Create a "wire" command. - * - * @param label the command label. - * @param exchange the exchange to connect to. - * @param expected_method which wire-transfer method is expected - * to be offered by the exchange. - * @param expected_fee the fee the exchange should charge. - * @param expected_response_code the HTTP response the exchange - * should return. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_wire (const char *label, - const char *expected_method, - const char *expected_fee, - unsigned int expected_response_code) -{ - struct WireState *ws; - - ws = GNUNET_new (struct WireState); - ws->expected_method = expected_method; - ws->expected_fee = expected_fee; - ws->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = ws, - .label = label, - .run = &wire_run, - .cleanup = &wire_cleanup - }; - - return cmd; -} diff --git a/src/exchange-lib/testing_api_cmd_withdraw.c b/src/exchange-lib/testing_api_cmd_withdraw.c deleted file mode 100644 index 7224f65e4..000000000 --- a/src/exchange-lib/testing_api_cmd_withdraw.c +++ /dev/null @@ -1,511 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_cmd_withdraw.c - * @brief main interpreter loop for testcases - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <microhttpd.h> -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" -#include "backoff.h" - - - -/** - * State for a "withdraw" CMD. - */ -struct WithdrawState -{ - - /** - * Which reserve should we withdraw from? - */ - const char *reserve_reference; - - /** - * String describing the denomination value we should withdraw. - * A corresponding denomination key must exist in the exchange's - * offerings. Can be NULL if @e pk is set instead. - */ - struct TALER_Amount amount; - - /** - * If @e amount is NULL, this specifies the denomination key to - * use. Otherwise, this will be set (by the interpreter) to the - * denomination PK matching @e amount. - */ - const struct TALER_EXCHANGE_DenomPublicKey *pk; - - /** - * Exchange base URL. Only used as offered trait. - */ - char *exchange_url; - - /** - * Interpreter state (during command). - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Set (by the interpreter) to the exchange's signature over the - * coin's public key. - */ - struct TALER_DenominationSignature sig; - - /** - * Private key material of the coin, set by the interpreter. - */ - struct TALER_PlanchetSecretsP ps; - - /** - * Withdraw handle (while operation is running). - */ - struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh; - - /** - * Task scheduled to try later. - */ - struct GNUNET_SCHEDULER_Task *retry_task; - - /** - * How long do we wait until we retry? - */ - struct GNUNET_TIME_Relative backoff; - - /** - * Expected HTTP response code to the request. - */ - unsigned int expected_response_code; - - /** - * Was this command modified via - * #TALER_TESTING_cmd_withdraw_with_retry to - * enable retries? - */ - int do_retry; -}; - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the commaind being run. - * @param is interpreter state. - */ -static void -withdraw_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is); - - -/** - * Task scheduled to re-try #withdraw_run. - * - * @param cls a `struct WithdrawState` - */ -static void -do_retry (void *cls) -{ - struct WithdrawState *ws = cls; - - ws->retry_task = NULL; - withdraw_run (ws, - NULL, - ws->is); -} - - -/** - * "reserve withdraw" operation callback; checks that the - * response code is expected and store the exchange signature - * in the state. - * - * @param cls closure. - * @param http_status HTTP response code. - * @param ec taler-specific error code. - * @param sig signature over the coin, NULL on error. - * @param full_response raw response. - */ -static void -reserve_withdraw_cb (void *cls, - unsigned int http_status, - enum TALER_ErrorCode ec, - const struct TALER_DenominationSignature *sig, - const json_t *full_response) -{ - struct WithdrawState *ws = cls; - struct TALER_TESTING_Interpreter *is = ws->is; - - ws->wsh = NULL; - if (ws->expected_response_code != http_status) - { - if (GNUNET_YES == ws->do_retry) - { - if ( (0 == http_status) || - (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) || - (TALER_EC_WITHDRAW_INSUFFICIENT_FUNDS == ec) || - (TALER_EC_WITHDRAW_RESERVE_UNKNOWN == ec) || - (MHD_HTTP_INTERNAL_SERVER_ERROR == http_status) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Retrying withdraw failed with %u/%d\n", - http_status, - (int) ec); - /* on DB conflicts, do not use backoff */ - if (TALER_EC_DB_COMMIT_FAILED_ON_RETRY == ec) - ws->backoff = GNUNET_TIME_UNIT_ZERO; - else - ws->backoff = EXCHANGE_LIB_BACKOFF (ws->backoff); - ws->retry_task = GNUNET_SCHEDULER_add_delayed (ws->backoff, - &do_retry, - ws); - return; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected response code %u/%d to command %s in %s:%u\n", - http_status, - (int) ec, - TALER_TESTING_interpreter_get_current_label (is), - __FILE__, - __LINE__); - json_dumpf (full_response, - stderr, - 0); - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - switch (http_status) - { - case MHD_HTTP_OK: - if (NULL == sig) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - ws->sig.rsa_signature - = GNUNET_CRYPTO_rsa_signature_dup (sig->rsa_signature); - break; - case MHD_HTTP_FORBIDDEN: - /* nothing to check */ - break; - case MHD_HTTP_NOT_FOUND: - /* nothing to check */ - break; - default: - /* Unsupported status code (by test harness) */ - GNUNET_break (0); - break; - } - TALER_TESTING_interpreter_next (is); -} - - -/** - * Run the command. - * - * @param cls closure. - * @param cmd the command being run, NULL when called from #do_retry() - * @param is interpreter state. - */ -static void -withdraw_run (void *cls, - const struct TALER_TESTING_Command *cmd, - struct TALER_TESTING_Interpreter *is) -{ - struct WithdrawState *ws = cls; - const struct TALER_ReservePrivateKeyP *rp; - const struct TALER_TESTING_Command *create_reserve; - - (void) cmd; - create_reserve = TALER_TESTING_interpreter_lookup_command - (is, ws->reserve_reference); - if (NULL == create_reserve) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - if (GNUNET_OK != - TALER_TESTING_get_trait_reserve_priv (create_reserve, - 0, - &rp)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - TALER_planchet_setup_random (&ws->ps); - ws->is = is; - - ws->pk = TALER_TESTING_find_pk - (TALER_EXCHANGE_get_keys (is->exchange), - &ws->amount); - if (NULL == ws->pk) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to determine denomination key at %s\n", - cmd->label); - GNUNET_assert (0); - } - - ws->wsh = TALER_EXCHANGE_reserve_withdraw (is->exchange, - ws->pk, - rp, - &ws->ps, - &reserve_withdraw_cb, - ws); - if (NULL == ws->wsh) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } -} - - -/** - * Free the state of a "withdraw" CMD, and possibly cancel - * a pending operation thereof. - * - * @param cls closure. - * @param cmd the command being freed. - */ -static void -withdraw_cleanup (void *cls, - const struct TALER_TESTING_Command *cmd) -{ - struct WithdrawState *ws = cls; - - if (NULL != ws->wsh) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Command %s did not complete\n", - cmd->label); - TALER_EXCHANGE_reserve_withdraw_cancel (ws->wsh); - ws->wsh = NULL; - } - if (NULL != ws->retry_task) - { - GNUNET_SCHEDULER_cancel (ws->retry_task); - ws->retry_task = NULL; - } - if (NULL != ws->sig.rsa_signature) - { - GNUNET_CRYPTO_rsa_signature_free (ws->sig.rsa_signature); - ws->sig.rsa_signature = NULL; - } - GNUNET_free_non_null (ws->exchange_url); - GNUNET_free (ws); -} - - -/** - * Offer internal data to a "withdraw" CMD state to other - * commands. - * - * @param cls closure - * @param ret[out] result (could be anything) - * @param trait name of the trait - * @param index index number of the object to offer. - * - * @return #GNUNET_OK on success - */ -static int -withdraw_traits (void *cls, - const void **ret, - const char *trait, - unsigned int index) -{ - struct WithdrawState *ws = cls; - const struct TALER_TESTING_Command *reserve_cmd; - const struct TALER_ReservePrivateKeyP *reserve_priv; - - /* We offer the reserve key where these coins were withdrawn - * from. */ - reserve_cmd = TALER_TESTING_interpreter_lookup_command - (ws->is, ws->reserve_reference); - - if (NULL == reserve_cmd) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (ws->is); - return GNUNET_SYSERR; - } - - if (GNUNET_OK != TALER_TESTING_get_trait_reserve_priv - (reserve_cmd, 0, &reserve_priv)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (ws->is); - return GNUNET_SYSERR; - } - - ws->exchange_url = GNUNET_strdup - (TALER_EXCHANGE_get_base_url (ws->is->exchange)); - - struct TALER_TESTING_Trait traits[] = { - TALER_TESTING_make_trait_coin_priv (0 /* only one coin */, - &ws->ps.coin_priv), - TALER_TESTING_make_trait_blinding_key (0 /* only one coin */, - &ws->ps.blinding_key), - TALER_TESTING_make_trait_denom_pub (0 /* only one coin */, - ws->pk), - TALER_TESTING_make_trait_denom_sig (0 /* only one coin */, - &ws->sig), - TALER_TESTING_make_trait_reserve_priv (0, - reserve_priv), - TALER_TESTING_make_trait_amount_obj (0, - &ws->amount), - TALER_TESTING_make_trait_url (0, ws->exchange_url), - - TALER_TESTING_trait_end () - }; - - return TALER_TESTING_get_trait (traits, - ret, - trait, - index); -} - - -/** - * Create a withdraw command, letting the caller specify - * the desired amount as string. - * - * @param label command label. - * @param amount how much we withdraw. - * @param expected_response_code which HTTP response code - * we expect from the exchange. - * - * @return the withdraw command to be executed by the interpreter. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_withdraw_amount - (const char *label, - const char *reserve_reference, - const char *amount, - unsigned int expected_response_code) -{ - struct WithdrawState *ws; - - ws = GNUNET_new (struct WithdrawState); - ws->reserve_reference = reserve_reference; - - if (GNUNET_OK != - TALER_string_to_amount (amount, - &ws->amount)) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to parse amount `%s' at %s\n", - amount, - label); - GNUNET_assert (0); - } - - ws->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = ws, - .label = label, - .run = &withdraw_run, - .cleanup = &withdraw_cleanup, - .traits = &withdraw_traits - }; - - return cmd; -} - - -/** - * Create withdraw command, letting the caller specify the - * amount by a denomination key. - * - * @param label command label. - * @param exchange connection handle to the exchange. - * @param reserve_reference reference to the reserve to withdraw - * from; will provide reserve priv to sign the request. - * @param dk denomination public key. - * @param expected_response_code expected HTTP response code. - * - * @return the command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_withdraw_denomination - (const char *label, - const char *reserve_reference, - const struct TALER_EXCHANGE_DenomPublicKey *dk, - unsigned int expected_response_code) -{ - struct WithdrawState *ws; - - if (NULL == dk) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Denomination key not specified at %s\n", - label); - GNUNET_assert (0); - } - ws = GNUNET_new (struct WithdrawState); - ws->reserve_reference = reserve_reference; - ws->pk = dk; - ws->expected_response_code = expected_response_code; - - struct TALER_TESTING_Command cmd = { - .cls = ws, - .label = label, - .run = &withdraw_run, - .cleanup = &withdraw_cleanup, - .traits = &withdraw_traits - }; - - return cmd; -} - - -/** - * Modify a withdraw command to enable retries when the - * reserve is not yet full or we get other transient - * errors from the exchange. - * - * @param cmd a withdraw command - * @return the command with retries enabled - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_withdraw_with_retry (struct TALER_TESTING_Command cmd) -{ - struct WithdrawState *ws; - - GNUNET_assert (&withdraw_run == cmd.run); - ws = cmd.cls; - ws->do_retry = GNUNET_YES; - return cmd; -} - - -/* end of testing_api_cmd_withdraw.c */ diff --git a/src/exchange-lib/testing_api_helpers.c b/src/exchange-lib/testing_api_helpers.c deleted file mode 100644 index e56a57b92..000000000 --- a/src/exchange-lib/testing_api_helpers.c +++ /dev/null @@ -1,1050 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_helpers.c - * @brief helper functions - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - -/** - * Remove files from previous runs - * - * @param config_name configuration filename. - */ -void -TALER_TESTING_cleanup_files (const char *config_name) -{ - if (GNUNET_OK != - GNUNET_CONFIGURATION_parse_and_run (config_name, - &TALER_TESTING_cleanup_files_cfg, - NULL)) - exit (77); -} - - -/** - * Remove files from previous runs - * - * @param cls NULL - * @param cfg configuration - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_cleanup_files_cfg (void *cls, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - char *dir; - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_filename (cfg, - "exchange", - "keydir", - &dir)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "keydir"); - return GNUNET_SYSERR; - } - if (GNUNET_YES == - GNUNET_DISK_directory_test (dir, - GNUNET_NO)) - GNUNET_break (GNUNET_OK == - GNUNET_DISK_directory_remove (dir)); - GNUNET_free (dir); - // TODO: auditor-specific clean-up here! - return GNUNET_OK; -} - - -/** - * Run `taler-exchange-keyup`. - * - * @param config_filename configuration file to use - * @param output_filename where to write the output for the auditor - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_run_keyup (const char *config_filename, - const char *output_filename) -{ - struct GNUNET_OS_Process *proc; - - proc = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-keyup", - "taler-exchange-keyup", - "-c", config_filename, - "-o", output_filename, - NULL); - if (NULL == proc) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to run `taler-exchange-keyup`," - " is your PATH correct?\n"); - return GNUNET_SYSERR; - } - GNUNET_OS_process_wait (proc); - GNUNET_OS_process_destroy (proc); - return GNUNET_OK; -} - - -/** - * Run `taler-auditor-sign`. - * - * @param config_filename configuration file to use - * @param exchange_master_pub master public key of the exchange - * @param auditor_base_url what is the base URL of the auditor - * @param signdata_in where is the information from taler-exchange-keyup - * @param signdata_out where to write the output for the exchange - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_run_auditor_sign (const char *config_filename, - const char *exchange_master_pub, - const char *auditor_base_url, - const char *signdata_in, - const char *signdata_out) -{ - struct GNUNET_OS_Process *proc; - - proc = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-auditor-sign", - "taler-auditor-sign", - "-c", config_filename, - "-u", auditor_base_url, - "-m", exchange_master_pub, - "-r", signdata_in, - "-o", signdata_out, - NULL); - if (NULL == proc) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to run `taler-auditor-sign`," - " is your PATH correct?\n"); - return GNUNET_SYSERR; - } - GNUNET_OS_process_wait (proc); - GNUNET_OS_process_destroy (proc); - return GNUNET_OK; -} - - -/** - * Run `taler-auditor-exchange`. - * - * @param config_filename configuration file to use - * @param exchange_master_pub master public key of the exchange - * @param exchange_base_url what is the base URL of the exchange - * @param do_remove #GNUNET_NO to add exchange, #GNUNET_YES to remove - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_run_auditor_exchange (const char *config_filename, - const char *exchange_master_pub, - const char *exchange_base_url, - int do_remove) -{ - struct GNUNET_OS_Process *proc; - - proc = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-auditor-exchange", - "taler-auditor-exchange", - "-c", config_filename, - "-u", exchange_base_url, - "-m", exchange_master_pub, - (GNUNET_YES == do_remove) - ? "-r" - : NULL, - NULL); - if (NULL == proc) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to run `taler-auditor-exchange`," - " is your PATH correct?\n"); - return GNUNET_SYSERR; - } - GNUNET_OS_process_wait (proc); - GNUNET_OS_process_destroy (proc); - return GNUNET_OK; -} - - -/** - * Run `taler-exchange-dbinit -r` (reset exchange database). - * - * @param config_filename configuration file to use - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_exchange_db_reset (const char *config_filename) -{ - struct GNUNET_OS_Process *proc; - enum GNUNET_OS_ProcessStatusType type; - unsigned long code; - - proc = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-dbinit", - "taler-exchange-dbinit", - "-c", config_filename, - "-r", - NULL); - if (NULL == proc) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to run `taler-exchange-dbinit`," - " is your PATH correct?\n"); - return GNUNET_NO; - } - if (GNUNET_SYSERR == - GNUNET_OS_process_wait_status (proc, - &type, - &code)) - { - GNUNET_break (0); - GNUNET_OS_process_destroy (proc); - return GNUNET_SYSERR; - } - GNUNET_OS_process_destroy (proc); - if ( (type == GNUNET_OS_PROCESS_EXITED) && - (0 != code) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to setup (exchange) database\n"); - return GNUNET_NO; - } - if ( (type != GNUNET_OS_PROCESS_EXITED) || - (0 != code) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected error running" - " `taler-exchange-dbinit'!\n"); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Run `taler-auditor-dbinit -r` (reset auditor database). - * - * @param config_filename configuration file to use - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_auditor_db_reset (const char *config_filename) -{ - struct GNUNET_OS_Process *proc; - enum GNUNET_OS_ProcessStatusType type; - unsigned long code; - - proc = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-auditor-dbinit", - "taler-auditor-dbinit", - "-c", config_filename, - "-r", - NULL); - if (NULL == proc) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to run `taler-auditor-dbinit`," - " is your PATH correct?\n"); - return GNUNET_NO; - } - if (GNUNET_SYSERR == - GNUNET_OS_process_wait_status (proc, - &type, - &code)) - { - GNUNET_break (0); - GNUNET_OS_process_destroy (proc); - return GNUNET_SYSERR; - } - GNUNET_OS_process_destroy (proc); - if ( (type == GNUNET_OS_PROCESS_EXITED) && - (0 != code) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed to setup (auditor) database\n"); - return GNUNET_NO; - } - if ( (type != GNUNET_OS_PROCESS_EXITED) || - (0 != code) ) - { - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Unexpected error running" - " `taler-auditor-dbinit'!\n"); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Type of closure for - * #sign_keys_for_exchange. - */ -struct SignInfo -{ - /** - * Set to the base URL of the exchange. To be free'd - * by the caller. - */ - char *exchange_base_url; - - /** - * Set to the auditor's base URL. To be free'd by the caller. - */ - char *auditor_base_url; - - /** - * Name of the configuration file to use. - */ - const char *config_filename; - - /** - * Must be set to input file with the data to be signed before - * calling #TALER_TESTING_sign_keys_for_exchange. - */ - const char *auditor_sign_input_filename; -}; - - -/** - * Sign the keys for an exchange given configuration @a cfg. - * The information to be signed must be in a file "auditor.in". - * - * @param cls[in,out] a `struct SignInfo` with - * further paramters - * @param cfg configuration to use - * @return #GNUNET_OK on success - */ -static int -sign_keys_for_exchange (void *cls, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - struct SignInfo *si = cls; - char *test_home_dir; - char *signed_keys_out; - char *exchange_master_pub; - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "BASE_URL", - &si->exchange_base_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING, - "exchange", - "BASE_URL"); - si->exchange_base_url = NULL; - return GNUNET_NO; - } - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "auditor", - "BASE_URL", - &si->auditor_base_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING, - "auditor", - "BASE_URL"); - GNUNET_free (si->exchange_base_url); - si->exchange_base_url = NULL; - si->auditor_base_url = NULL; - return GNUNET_SYSERR; - } - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_filename (cfg, - "paths", - "TALER_TEST_HOME", - &test_home_dir)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "paths", - "TALER_TEST_HOME"); - GNUNET_free (si->exchange_base_url); - GNUNET_free (si->auditor_base_url); - si->exchange_base_url = NULL; - si->auditor_base_url = NULL; - return GNUNET_SYSERR; - } - - GNUNET_asprintf (&signed_keys_out, - "%s/.local/share/taler/auditors/auditor.out", - test_home_dir); - GNUNET_free (test_home_dir); - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "MASTER_PUBLIC_KEY", - &exchange_master_pub)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "MASTER_PUBLIC_KEY"); - GNUNET_free (si->exchange_base_url); - GNUNET_free (si->auditor_base_url); - si->exchange_base_url = NULL; - si->auditor_base_url = NULL; - GNUNET_free (signed_keys_out); - return GNUNET_SYSERR; - } - if (GNUNET_OK != - TALER_TESTING_run_auditor_exchange (si->config_filename, - exchange_master_pub, - si->exchange_base_url, - GNUNET_NO)) - { - GNUNET_free (si->exchange_base_url); - GNUNET_free (si->auditor_base_url); - si->exchange_base_url = NULL; - si->auditor_base_url = NULL; - return GNUNET_NO; - } - - if (GNUNET_OK != - TALER_TESTING_run_auditor_sign (si->config_filename, - exchange_master_pub, - si->auditor_base_url, - si->auditor_sign_input_filename, - signed_keys_out)) - { - GNUNET_free (si->exchange_base_url); - GNUNET_free (si->auditor_base_url); - si->exchange_base_url = NULL; - si->auditor_base_url = NULL; - return GNUNET_NO; - } - GNUNET_free (signed_keys_out); - GNUNET_free (exchange_master_pub); - return GNUNET_OK; -} - - -/** - * Prepare launching an exchange. Checks that the configured - * port is available, runs taler-exchange-keyup, - * taler-auditor-sign and taler-exchange-dbinit. Does NOT - * launch the exchange process itself. - * - * @param config_filename configuration file to use - * @param auditor_base_url[out] will be set to the auditor base url, - * if the config has any; otherwise it will be set to - * NULL. - * @param exchange_base_url[out] will be set to the exchange base url, - * if the config has any; otherwise it will be set to - * NULL. - * @return #GNUNET_OK on success, #GNUNET_NO if test should be - * skipped, #GNUNET_SYSERR on test failure - */ -int -TALER_TESTING_prepare_exchange (const char *config_filename, - char **auditor_base_url, - char **exchange_base_url) -{ - struct SignInfo si = { - .config_filename = config_filename, - .exchange_base_url = NULL, - .auditor_base_url = NULL, - .auditor_sign_input_filename = "auditor.in" - }; - - if (GNUNET_OK != - TALER_TESTING_run_keyup (config_filename, - si.auditor_sign_input_filename)) - return GNUNET_NO; - if (GNUNET_OK != - TALER_TESTING_exchange_db_reset (config_filename)) - return GNUNET_NO; - if (GNUNET_OK != - TALER_TESTING_auditor_db_reset (config_filename)) - return GNUNET_NO; - if (GNUNET_OK != - GNUNET_CONFIGURATION_parse_and_run (config_filename, - &sign_keys_for_exchange, - &si)) - return GNUNET_NO; - *exchange_base_url = si.exchange_base_url; - *auditor_base_url = si.auditor_base_url; - return GNUNET_OK; -} - - -/** - * Find denomination key matching the given amount. - * - * @param keys array of keys to search - * @param amount coin value to look for - * @return NULL if no matching key was found - */ -const struct TALER_EXCHANGE_DenomPublicKey * -TALER_TESTING_find_pk (const struct TALER_EXCHANGE_Keys *keys, - const struct TALER_Amount *amount) -{ - struct GNUNET_TIME_Absolute now; - struct TALER_EXCHANGE_DenomPublicKey *pk; - char *str; - - now = GNUNET_TIME_absolute_get (); - for (unsigned int i=0;i<keys->num_denom_keys;i++) - { - pk = &keys->denom_keys[i]; - if ( (0 == TALER_amount_cmp (amount, - &pk->value)) && - (now.abs_value_us >= pk->valid_from.abs_value_us) && - (now.abs_value_us < - pk->withdraw_valid_until.abs_value_us) ) - return pk; - } - /* do 2nd pass to check if expiration times are to blame for - * failure */ - str = TALER_amount_to_string (amount); - for (unsigned int i=0;i<keys->num_denom_keys;i++) - { - pk = &keys->denom_keys[i]; - if ( (0 == TALER_amount_cmp (amount, - &pk->value)) && - ( (now.abs_value_us < pk->valid_from.abs_value_us) || - (now.abs_value_us > - pk->withdraw_valid_until.abs_value_us) ) ) - { - GNUNET_log - (GNUNET_ERROR_TYPE_WARNING, - "Have denomination key for `%s', but with wrong" - " expiration range %llu vs [%llu,%llu)\n", - str, - (unsigned long long) now.abs_value_us, - (unsigned long long) pk->valid_from.abs_value_us, - (unsigned long long) - pk->withdraw_valid_until.abs_value_us); - GNUNET_free (str); - return NULL; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "No denomination key for amount %s found\n", - str); - GNUNET_free (str); - return NULL; -} - - -/** - * Wait for the exchange to have started. Waits for at - * most 10s, after that returns 77 to indicate an error. - * - * @param base_url what URL should we expect the exchange - * to be running at - * @return 0 on success - */ -int -TALER_TESTING_wait_exchange_ready (const char *base_url) -{ - char *wget_cmd; - unsigned int iter; - - GNUNET_asprintf (&wget_cmd, - "wget -q -t 1 -T 1 %skeys" - " -o /dev/null -O /dev/null", - base_url); // make sure ends with '/' - /* give child time to start and bind against the socket */ - fprintf (stderr, - "Waiting for `taler-exchange-httpd' to be ready\n"); - iter = 0; - do - { - if (10 == iter) - { - fprintf (stderr, - "Failed to launch `taler-exchange-httpd' (or `wget')\n"); - GNUNET_free (wget_cmd); - return 77; - } - fprintf (stderr, ".\n"); - sleep (1); - iter++; - } - while (0 != system (wget_cmd)); - GNUNET_free (wget_cmd); - return 0; -} - - -/** - * Wait for the auditor to have started. Waits for at - * most 10s, after that returns 77 to indicate an error. - * - * @param base_url what URL should we expect the auditor - * to be running at - * @return 0 on success - */ -int -TALER_TESTING_wait_auditor_ready (const char *base_url) -{ - char *wget_cmd; - unsigned int iter; - - GNUNET_asprintf (&wget_cmd, - "wget -q -t 1 -T 1 %sversion" - " -o /dev/null -O /dev/null", - base_url); // make sure ends with '/' - /* give child time to start and bind against the socket */ - fprintf (stderr, - "Waiting for `taler-auditor-httpd' to be ready\n"); - iter = 0; - do - { - if (10 == iter) - { - fprintf (stderr, - "Failed to launch `taler-auditor-httpd' (or `wget')\n"); - GNUNET_free (wget_cmd); - return 77; - } - fprintf (stderr, ".\n"); - sleep (1); - iter++; - } - while (0 != system (wget_cmd)); - GNUNET_free (wget_cmd); - return 0; -} - - -/** - * Initialize scheduler loop and curl context for the testcase - * including starting and stopping the exchange using the given - * configuration file. - * - * @param main_cb routine containing all the commands to run. - * @param main_cb_cls closure for @a main_cb, typically NULL. - * @param config_file configuration file for the test-suite. - * - * @return #GNUNET_OK if all is okay, != #GNUNET_OK otherwise. - * non-#GNUNET_OK codes are #GNUNET_SYSERR most of the - * time. - */ -int -TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb, - void *main_cb_cls, - const char *config_filename) -{ - struct TALER_TESTING_SetupContext setup_ctx = { - .config_filename = config_filename, - .main_cb = main_cb, - .main_cb_cls = main_cb_cls - }; - int result; - - if (GNUNET_OK != - (result = GNUNET_CONFIGURATION_parse_and_run (config_filename, - &TALER_TESTING_setup_with_exchange_cfg, - &setup_ctx))) - return result; - return GNUNET_OK; -} - - -/** - * Initialize scheduler loop and curl context for the test case - * including starting and stopping the exchange using the given - * configuration file. - * - * @param cls must be a `struct TALER_TESTING_SetupContext *` - * @param cfg configuration to use. - * @return #GNUNET_OK if no errors occurred. - */ -int -TALER_TESTING_setup_with_exchange_cfg (void *cls, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - const struct TALER_TESTING_SetupContext *setup_ctx = cls; - struct GNUNET_OS_Process *exchanged; - unsigned long long port; - char *serve; - char *base_url; - int result; - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "SERVE", - &serve)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "SERVE"); - return GNUNET_NO; - } - - if (0 == strcmp ("tcp", serve)) - { - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_number (cfg, - "exchange", - "PORT", - &port)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "PORT"); - GNUNET_free (serve); - return GNUNET_NO; - } - - if (GNUNET_OK != - GNUNET_NETWORK_test_port_free (IPPROTO_TCP, - (uint16_t) port)) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Required port %llu not available, skipping.\n", - port); - GNUNET_free (serve); - return GNUNET_NO; - } - } - GNUNET_free (serve); - exchanged = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-exchange-httpd", - "taler-exchange-httpd", - "-c", setup_ctx->config_filename, - "-i", - NULL); - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "BASE_URL", - &base_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "BASE_URL"); - return GNUNET_NO; - } - - if (0 != TALER_TESTING_wait_exchange_ready (base_url)) - { - GNUNET_free (base_url); - return 77; - } - GNUNET_free (base_url); - - /* NOTE: this call blocks. */ - result = TALER_TESTING_setup (setup_ctx->main_cb, - setup_ctx->main_cb_cls, - setup_ctx->config_filename, - exchanged, - GNUNET_YES); - GNUNET_break (0 == - GNUNET_OS_process_kill (exchanged, - SIGTERM)); - GNUNET_break (GNUNET_OK == - GNUNET_OS_process_wait (exchanged)); - GNUNET_OS_process_destroy (exchanged); - return result; -} - - -/** - * Initialize scheduler loop and curl context for the test case - * including starting and stopping the auditor and exchange using the - * given configuration file. - * - * @param cls must be a `struct TALER_TESTING_SetupContext *` - * @param cfg configuration to use. - * @return #GNUNET_OK if no errors occurred. - */ -int -TALER_TESTING_setup_with_auditor_and_exchange_cfg (void *cls, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - const struct TALER_TESTING_SetupContext *setup_ctx = cls; - struct GNUNET_OS_Process *auditord; - unsigned long long port; - char *serve; - char *base_url; - int result; - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "auditor", - "SERVE", - &serve)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "auditor", - "SERVE"); - return GNUNET_NO; - } - - if (0 == strcmp ("tcp", serve)) - { - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_number (cfg, - "auditor", - "PORT", - &port)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "auditor", - "PORT"); - GNUNET_free (serve); - return GNUNET_NO; - } - - if (GNUNET_OK != - GNUNET_NETWORK_test_port_free (IPPROTO_TCP, - (uint16_t) port)) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Required port %llu not available, skipping.\n", - port); - GNUNET_free (serve); - return GNUNET_NO; - } - } - GNUNET_free (serve); - auditord = GNUNET_OS_start_process (GNUNET_NO, - GNUNET_OS_INHERIT_STD_ALL, - NULL, NULL, NULL, - "taler-auditor-httpd", - "taler-auditor-httpd", - "-c", setup_ctx->config_filename, - NULL); - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "auditor", - "BASE_URL", - &base_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "auditor", - "BASE_URL"); - return GNUNET_NO; - } - - if (0 != TALER_TESTING_wait_auditor_ready (base_url)) - { - GNUNET_free (base_url); - GNUNET_break (0 == - GNUNET_OS_process_kill (auditord, - SIGTERM)); - GNUNET_break (GNUNET_OK == - GNUNET_OS_process_wait (auditord)); - GNUNET_OS_process_destroy (auditord); - return 77; - } - GNUNET_free (base_url); - - /* NOTE: this call blocks. */ - result = TALER_TESTING_setup_with_exchange_cfg ((void *) setup_ctx, - cfg); - GNUNET_break (0 == - GNUNET_OS_process_kill (auditord, - SIGTERM)); - GNUNET_break (GNUNET_OK == - GNUNET_OS_process_wait (auditord)); - GNUNET_OS_process_destroy (auditord); - return result; -} - - -/** - * Initialize scheduler loop and curl context for the test case - * including starting and stopping the auditor and exchange using the - * given configuration file. - * - * @param main_cb main method. - * @param main_cb_cls main method closure. - * @param config_filename configuration file name. Is is used - * by both this function and the exchange itself. In the - * first case it gives out the exchange port number and - * the exchange base URL so as to check whether the port - * is available and the exchange responds when requested - * at its base URL. - * @return #GNUNET_OK if no errors occurred. - */ -int -TALER_TESTING_setup_with_auditor_and_exchange (TALER_TESTING_Main main_cb, - void *main_cb_cls, - const char *config_file) -{ - struct TALER_TESTING_SetupContext setup_ctx = { - .config_filename = config_file, - .main_cb = main_cb, - .main_cb_cls = main_cb_cls - }; - - return GNUNET_CONFIGURATION_parse_and_run (config_file, - &TALER_TESTING_setup_with_auditor_and_exchange_cfg, - &setup_ctx); -} - - -/** - * Test port in URL string for availability. - */ -int -TALER_TESTING_url_port_free (const char *url) -{ - const char *port; - long pnum; - - port = strrchr (url, - (unsigned char) ':'); - if (NULL == port) - pnum = 80; - else - pnum = strtol (port + 1, NULL, 10); - if (GNUNET_OK != - GNUNET_NETWORK_test_port_free (IPPROTO_TCP, - pnum)) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Port %u not available.\n", - (unsigned int) pnum); - return GNUNET_SYSERR; - } - return GNUNET_OK; -} - - -/** - * Allocate and return a piece of wire-details. Combines - * the @a account_no and the @a bank_url to a - * @a payto://-URL and adds some salt to create the JSON. - * - * @param account_no account number - * @param bank_url the bank_url (FIXME/WARNING: shouldn't this be a _hostname_ ??) - * @return JSON describing the account, including the - * payto://-URL of the account, must be manually decref'd - */ -json_t * -TALER_TESTING_make_wire_details (unsigned long long account_no, - const char *bank_url) -{ - char *payto; - json_t *ret; - - GNUNET_asprintf (&payto, - "payto://x-taler-bank/%s/%llu", - bank_url, - account_no); - ret = json_pack ("{s:s, s:s}", - "url", payto, - "salt", "test-salt (must be constant for aggregation tests)"); - GNUNET_free (payto); - return ret; -} - - -/** - * Prepare launching a fakebank. Check that the configuration - * file has the right option, and that the port is available. - * If everything is OK, return the configured URL of the fakebank. - * - * @param config_filename configuration file to use - * @param config_section which account to use (must match x-taler-bank) - * @return NULL on error, fakebank URL otherwise - */ -char * -TALER_TESTING_prepare_fakebank (const char *config_filename, - const char *config_section) -{ - struct GNUNET_CONFIGURATION_Handle *cfg; - char *payto_url; - char *fakebank_url; - const char *start; - const char *end; - - cfg = GNUNET_CONFIGURATION_create (); - if (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg, - config_filename)) - return NULL; - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - config_section, - "URL", - &payto_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING, - config_section, - "URL"); - GNUNET_CONFIGURATION_destroy (cfg); - return NULL; - } - GNUNET_CONFIGURATION_destroy (cfg); - if (0 != strncasecmp (payto_url, - "payto://x-taler-bank/", - strlen ("payto://x-taler-bank/"))) - { - GNUNET_log_config_invalid - (GNUNET_ERROR_TYPE_WARNING, - config_section, - "URL", - "expected `x-taler-bank' payto://-URL"); - GNUNET_CONFIGURATION_destroy (cfg); - GNUNET_free (payto_url); - return NULL; - } - start = &payto_url [strlen ("payto://x-taler-bank/")]; - end = strchr (start, - (unsigned char) '/'); - if (NULL == end) - end = &start[strlen (start)]; - fakebank_url = GNUNET_strndup (start, - end - start); - GNUNET_free (payto_url); - if (GNUNET_OK != - TALER_TESTING_url_port_free (fakebank_url)) - { - GNUNET_free (fakebank_url); - return NULL; - } - return fakebank_url; -} - -/* end of testing_api_helpers.c */ diff --git a/src/exchange-lib/testing_api_loop.c b/src/exchange-lib/testing_api_loop.c deleted file mode 100644 index 3e7e36432..000000000 --- a/src/exchange-lib/testing_api_loop.c +++ /dev/null @@ -1,825 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_loop.c - * @brief main interpreter loop for testcases - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" -#include "taler_fakebank_lib.h" - -/** - * Pipe used to communicate child death via signal. - * Must be global, as used in signal handler! - */ -static struct GNUNET_DISK_PipeHandle *sigpipe; - -/** - * Lookup command by label. - * - * @param is interpreter state to search - * @param label label to look for - * @return NULL if command was not found - */ -const struct TALER_TESTING_Command * -TALER_TESTING_interpreter_lookup_command - (struct TALER_TESTING_Interpreter *is, - const char *label) -{ - if (NULL == label) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Attempt to lookup command for empty label\n"); - return NULL; - } - /* Search backwards as we most likely reference recent commands */ - for (int i=is->ip; i >= 0; i--) - { - const struct TALER_TESTING_Command *cmd = &is->commands[i]; - - /* Give precedence to top-level commands. */ - if ( (NULL != cmd->label) && - (0 == strcmp (cmd->label, - label)) ) - return cmd; - - if (TALER_TESTING_cmd_is_batch (cmd)) - { -#define BATCH_INDEX 1 - struct TALER_TESTING_Command *batch; - - GNUNET_assert (GNUNET_OK == - TALER_TESTING_get_trait_cmd (cmd, - BATCH_INDEX, - &batch)); - for (unsigned int j=0; - NULL != (cmd = &batch[j])->label; - j++) - { - if ( (NULL != cmd->label) && - (0 == strcmp (cmd->label, - label)) ) - return cmd; - } - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Command not found: %s\n", - label); - return NULL; - -} - - -/** - * Obtain main execution context for the main loop. - */ -struct GNUNET_CURL_Context * -TALER_TESTING_interpreter_get_context - (struct TALER_TESTING_Interpreter *is) -{ - return is->ctx; -} - - -struct TALER_FAKEBANK_Handle * -TALER_TESTING_interpreter_get_fakebank - (struct TALER_TESTING_Interpreter *is) -{ - return is->fakebank; -} - - -/** - * Run tests starting the "fakebank" first. The "fakebank" - * is a C minimalist version of the human-oriented Python bank, - * which is also part of the Taler project. - * - * @param is pointer to the interpreter state - * @param commands the list of commands to execute - * @param bank_url the url the fakebank is supposed to run on - */ -void -TALER_TESTING_run_with_fakebank - (struct TALER_TESTING_Interpreter *is, - struct TALER_TESTING_Command *commands, - const char *bank_url) -{ - const char *port; - long pnum; - - port = strrchr (bank_url, - (unsigned char) ':'); - if (NULL == port) - pnum = 80; - else - pnum = strtol (port + 1, NULL, 10); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Starting Fakebank on port %u (%s)\n", - (unsigned int) pnum, - bank_url); - is->fakebank = TALER_FAKEBANK_start ((uint16_t) pnum); - if (NULL == is->fakebank) - { - GNUNET_break (0); - is->result = GNUNET_SYSERR; - return; - } - TALER_TESTING_run (is, - commands); -} - - -/** - * Run the main interpreter loop that performs exchange operations. - * - * @param cls contains the `struct InterpreterState` - */ -static void -interpreter_run (void *cls); - - -/** - * Current command is done, run the next one. - */ -void -TALER_TESTING_interpreter_next (struct TALER_TESTING_Interpreter *is) -{ - static unsigned long long ipc; - static struct GNUNET_TIME_Absolute last_report; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - if (GNUNET_SYSERR == is->result) - return; /* ignore, we already failled! */ - if (TALER_TESTING_cmd_is_batch (cmd)) - { -#define CURRENT_BATCH_SUBCMD_INDEX 0 - struct TALER_TESTING_Command *sub_cmd; - - GNUNET_assert (GNUNET_OK == TALER_TESTING_get_trait_cmd - (cmd, CURRENT_BATCH_SUBCMD_INDEX, &sub_cmd)); - - if (NULL == sub_cmd->label) - is->ip++; - } - else - is->ip++; - if (0 == (ipc % 1000)) - { - if (0 != ipc) - GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, - "Interpreter executed 1000 instructions in %s\n", - GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (last_report), - GNUNET_YES)); - last_report = GNUNET_TIME_absolute_get (); - } - ipc++; - is->task = GNUNET_SCHEDULER_add_now (&interpreter_run, - is); -} - - -/** - * Current command failed, clean up and fail the test case. - * - * @param is interpreter of the test - */ -void -TALER_TESTING_interpreter_fail - (struct TALER_TESTING_Interpreter *is) -{ - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Failed at command `%s'\n", - cmd->label); - while (TALER_TESTING_cmd_is_batch (cmd)) - { - cmd = TALER_TESTING_cmd_batch_get_current (cmd); - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Batch is at command `%s'\n", - cmd->label); - } - is->result = GNUNET_SYSERR; - GNUNET_SCHEDULER_shutdown (); -} - - -/** - * Create command array terminator. - * - * @return a end-command. - */ -struct TALER_TESTING_Command -TALER_TESTING_cmd_end (void) -{ - static struct TALER_TESTING_Command cmd; - cmd.label = NULL; - - return cmd; -} - - -/** - * Obtain current label. - */ -const char * -TALER_TESTING_interpreter_get_current_label - (struct TALER_TESTING_Interpreter *is) -{ - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - return cmd->label; -} - - -/** - * Run the main interpreter loop that performs exchange operations. - * - * @param cls contains the `struct TALER_TESTING_Interpreter` - */ -static void -interpreter_run (void *cls) -{ - struct TALER_TESTING_Interpreter *is = cls; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - - is->task = NULL; - - if (NULL == cmd->label) - { - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Running command END\n"); - is->result = GNUNET_OK; - GNUNET_SCHEDULER_shutdown (); - return; - } - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Running command `%s'\n", - cmd->label); - - cmd->run (cmd->cls, - cmd, - is); -} - - -/** - * Function run when the test terminates (good or bad). - * Cleans up our state. - * - * @param cls the interpreter state. - */ -static void -do_shutdown (void *cls) -{ - struct TALER_TESTING_Interpreter *is = cls; - struct TALER_TESTING_Command *cmd; - const char *label; - - label = is->commands[is->ip].label; - if (NULL == label) - label = "END"; - - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Executing shutdown at `%s'\n", - label); - - for (unsigned int j=0;NULL != (cmd = &is->commands[j])->label;j++) - cmd->cleanup (cmd->cls, - cmd); - if (NULL != is->exchange) - { - TALER_EXCHANGE_disconnect (is->exchange); - is->exchange = NULL; - } - if (NULL != is->task) - { - GNUNET_SCHEDULER_cancel (is->task); - is->task = NULL; - } - if (NULL != is->ctx) - { - GNUNET_CURL_fini (is->ctx); - is->ctx = NULL; - } - if (NULL != is->rc) - { - GNUNET_CURL_gnunet_rc_destroy (is->rc); - is->rc = NULL; - } - if (NULL != is->timeout_task) - { - GNUNET_SCHEDULER_cancel (is->timeout_task); - is->timeout_task = NULL; - } - if (NULL != is->child_death_task) - { - GNUNET_SCHEDULER_cancel (is->child_death_task); - is->child_death_task = NULL; - } - if (NULL != is->fakebank) - { - TALER_FAKEBANK_stop (is->fakebank); - is->fakebank = NULL; - } - GNUNET_free_non_null (is->commands); -} - - -/** - * Function run when the test terminates (good or bad) with timeout. - * - * @param cls NULL - */ -static void -do_timeout (void *cls) -{ - struct TALER_TESTING_Interpreter *is = cls; - - is->timeout_task = NULL; - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Terminating test due to timeout\n"); - GNUNET_SCHEDULER_shutdown (); -} - - -/** - * Task triggered whenever we receive a SIGCHLD (child - * process died). - * - * @param cls closure - */ -static void -maint_child_death (void *cls) -{ - struct TALER_TESTING_Interpreter *is = cls; - struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; - const struct GNUNET_DISK_FileHandle *pr; - - struct GNUNET_OS_Process **processp; - char c[16]; - - if (TALER_TESTING_cmd_is_batch (cmd)) - { - struct TALER_TESTING_Command *batch_cmd; - - GNUNET_assert - (GNUNET_OK == TALER_TESTING_get_trait_cmd - (cmd, 0, &batch_cmd)); /* bad? */ - cmd = batch_cmd; - } - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Got SIGCHLD for `%s'.\n", - cmd->label); - - is->child_death_task = NULL; - pr = GNUNET_DISK_pipe_handle (sigpipe, - GNUNET_DISK_PIPE_END_READ); - GNUNET_break (0 < - GNUNET_DISK_file_read (pr, - &c, - sizeof (c))); - if (GNUNET_OK != - TALER_TESTING_get_trait_process (cmd, - 0, - &processp)) - { - GNUNET_break (0); - TALER_TESTING_interpreter_fail (is); - return; - } - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Got the dead child process handle" - ", waiting for termination ...\n"); - - GNUNET_OS_process_wait (*processp); - GNUNET_OS_process_destroy (*processp); - *processp = NULL; - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "... definitively terminated\n"); - - if (GNUNET_OK == is->reload_keys) - { - if (NULL == is->exchanged) - { - GNUNET_break (0); - } - else - { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Triggering key state reload at exchange\n"); - GNUNET_break (0 == GNUNET_OS_process_kill - (is->exchanged, SIGUSR1)); - sleep (5); /* make sure signal was received and processed */ - } - } - - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Dead child, go on with next command.\n"); - TALER_TESTING_interpreter_next (is); -} - - -/** - * Wait until we receive SIGCHLD signal. - * Then obtain the process trait of the current - * command, wait on the the zombie and continue - * with the next command. - */ -void -TALER_TESTING_wait_for_sigchld - (struct TALER_TESTING_Interpreter *is) -{ - const struct GNUNET_DISK_FileHandle *pr; - - GNUNET_assert (NULL == is->child_death_task); - pr = GNUNET_DISK_pipe_handle (sigpipe, - GNUNET_DISK_PIPE_END_READ); - is->child_death_task - = GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL, - pr, - &maint_child_death, - is); -} - - -/** - * Run the testsuite. Note, CMDs are copied into - * the interpreter state because they are _usually_ - * defined into the "run" method that returns after - * having scheduled the test interpreter. - * - * @param is the interpreter state - * @param commands the list of command to execute - * @param timeout how long to wait - */ -void -TALER_TESTING_run2 (struct TALER_TESTING_Interpreter *is, - struct TALER_TESTING_Command *commands, - struct GNUNET_TIME_Relative timeout) -{ - unsigned int i; - - if (NULL != is->timeout_task) - { - GNUNET_SCHEDULER_cancel (is->timeout_task); - is->timeout_task = NULL; - } - /* get the number of commands */ - for (i=0;NULL != commands[i].label;i++) ; - is->commands = GNUNET_new_array (i + 1, - struct TALER_TESTING_Command); - memcpy (is->commands, - commands, - sizeof (struct TALER_TESTING_Command) * i); - is->timeout_task = GNUNET_SCHEDULER_add_delayed - (timeout, - &do_timeout, - is); - GNUNET_SCHEDULER_add_shutdown (&do_shutdown, is); - is->task = GNUNET_SCHEDULER_add_now (&interpreter_run, is); -} - - -/** - * Run the testsuite. Note, CMDs are copied into - * the interpreter state because they are _usually_ - * defined into the "run" method that returns after - * having scheduled the test interpreter. - * - * @param is the interpreter state - * @param commands the list of command to execute - */ -void -TALER_TESTING_run (struct TALER_TESTING_Interpreter *is, - struct TALER_TESTING_Command *commands) -{ - TALER_TESTING_run2 (is, - commands, - GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, - 5)); -} - - -/** - * Information used by the wrapper around the main - * "run" method. - */ -struct MainContext -{ - /** - * Main "run" method. - */ - TALER_TESTING_Main main_cb; - - /** - * Closure for @e main_cb. - */ - void *main_cb_cls; - - /** - * Interpreter state. - */ - struct TALER_TESTING_Interpreter *is; - - /** - * Configuration filename. The wrapper uses it to fetch - * the exchange port number; We could have passed the port - * number here, but having the config filename seems more - * generic. - */ - const char *config_filename; - - /** - * URL of the exchange. - */ - char *exchange_url; - -}; - - -/** - * Signal handler called for SIGCHLD. Triggers the - * respective handler by writing to the trigger pipe. - */ -static void -sighandler_child_death () -{ - static char c; - int old_errno = errno; /* back-up errno */ - - GNUNET_break (1 == GNUNET_DISK_file_write - (GNUNET_DISK_pipe_handle (sigpipe, GNUNET_DISK_PIPE_END_WRITE), - &c, sizeof (c))); - errno = old_errno; /* restore errno */ -} - - -/** - * Called once a connection to the exchange has been - * established. - * - * @param cls closure, typically, the "run" method containing - * all the commands to be run, and a closure for it. - * @param keys the exchange's keys. - * @param compat protocol compatibility information. - */ -static void -cert_cb (void *cls, - const struct TALER_EXCHANGE_Keys *keys, - enum TALER_EXCHANGE_VersionCompatibility compat) -{ - struct MainContext *main_ctx = cls; - struct TALER_TESTING_Interpreter *is = main_ctx->is; - - if (NULL == keys) - { - if (GNUNET_NO == is->working) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Got NULL response for /keys during startup, retrying!\n"); - TALER_EXCHANGE_disconnect (is->exchange); - GNUNET_assert (NULL != - (is->exchange = TALER_EXCHANGE_connect (is->ctx, - main_ctx->exchange_url, - &cert_cb, - main_ctx, - TALER_EXCHANGE_OPTION_END))); - return; - } - else - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Got NULL response for /keys during execution!\n"); - - } - else - { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Got %d DK from /keys\n", - keys->num_denom_keys); - } - is->key_generation++; - is->keys = keys; - - /* /keys has been called for some reason and - * the interpreter is already running. */ - if (GNUNET_YES == is->working) - return; - - is->working = GNUNET_YES; - - /* Very first start of tests, call "run()" */ - if (1 == is->key_generation) - { - main_ctx->main_cb (main_ctx->main_cb_cls, - is); - return; - } - - /* Tests already started, just trigger the - * next command. */ - GNUNET_SCHEDULER_add_now (&interpreter_run, - is); -} - - -/** - * Initialize scheduler loop and curl context for the testcase, - * and responsible to run the "run" method. - * - * @param cls closure, typically the "run" method, the - * interpreter state and a closure for "run". - */ -static void -main_wrapper_exchange_agnostic (void *cls) -{ - struct MainContext *main_ctx = cls; - - main_ctx->main_cb (main_ctx->main_cb_cls, - main_ctx->is); -} - - -/** - * Function run when the test is aborted before we launch the actual - * interpreter. Cleans up our state. - * - * @param cls the main context - */ -static void -do_abort (void *cls) -{ - struct MainContext *main_ctx = cls; - struct TALER_TESTING_Interpreter *is = main_ctx->is; - - is->timeout_task = NULL; - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Executing abort prior to interpreter launch\n"); - if (NULL != is->exchange) - { - TALER_EXCHANGE_disconnect (is->exchange); - is->exchange = NULL; - } -} - - -/** - * Initialize scheduler loop and curl context for the testcase, - * and responsible to run the "run" method. - * - * @param cls a `struct MainContext *` - * @param cfg configuration to use - */ -static int -main_exchange_connect_with_cfg (void *cls, - const struct GNUNET_CONFIGURATION_Handle *cfg) -{ - struct MainContext *main_ctx = cls; - struct TALER_TESTING_Interpreter *is = main_ctx->is; - char *exchange_url; - - if (GNUNET_OK != - GNUNET_CONFIGURATION_get_value_string (cfg, - "exchange", - "BASE_URL", - &exchange_url)) - { - GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, - "exchange", - "BASE_URL"); - return GNUNET_SYSERR; - } - main_ctx->exchange_url = exchange_url; - is->cfg = cfg; - is->timeout_task = GNUNET_SCHEDULER_add_shutdown (&do_abort, - main_ctx); - GNUNET_break (NULL != - (is->exchange = TALER_EXCHANGE_connect (is->ctx, - exchange_url, - &cert_cb, - main_ctx, - TALER_EXCHANGE_OPTION_END))); - is->cfg = NULL; - return GNUNET_OK; -} - - -/** - * Initialize scheduler loop and curl context for the testcase, - * and responsible to run the "run" method. - * - * @param cls a `struct MainContext *` - */ -static void -main_wrapper_exchange_connect (void *cls) -{ - struct MainContext *main_ctx = cls; - - GNUNET_break (GNUNET_OK == - GNUNET_CONFIGURATION_parse_and_run (main_ctx->config_filename, - &main_exchange_connect_with_cfg, - main_ctx)); -} - - -/** - * Install signal handlers plus schedules the main wrapper - * around the "run" method. - * - * @param main_cb the "run" method which contains all the - * commands. - * @param main_cb_cls a closure for "run", typically NULL. - * @param config_filename configuration filename. - * @param exchanged exchange process handle: will be put in the - * state as some commands - e.g. revoke - need to send - * signal to it, for example to let it know to reload the - * key state.. if NULL, the interpreter will run without - * trying to connect to the exchange first. - * @param exchange_connect #GNUNET_YES if the test should connect - * to the exchange, #GNUNET_NO otherwise - * @return #GNUNET_OK if all is okay, != #GNUNET_OK otherwise. - * non-GNUNET_OK codes are #GNUNET_SYSERR most of the - * times. - */ -int -TALER_TESTING_setup (TALER_TESTING_Main main_cb, - void *main_cb_cls, - const char *config_filename, - struct GNUNET_OS_Process *exchanged, - int exchange_connect) -{ - struct TALER_TESTING_Interpreter is; - struct MainContext main_ctx = { - .main_cb = main_cb, - .main_cb_cls = main_cb_cls, - /* needed to init the curl ctx */ - .is = &is, - /* needed to read values like exchange port - * number to construct the exchange url.*/ - .config_filename = config_filename - }; - struct GNUNET_SIGNAL_Context *shc_chld; - - memset (&is, - 0, - sizeof (is)); - is.exchanged = exchanged; - sigpipe = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, - GNUNET_NO, GNUNET_NO); - GNUNET_assert (NULL != sigpipe); - shc_chld = GNUNET_SIGNAL_handler_install - (GNUNET_SIGCHLD, - &sighandler_child_death); - is.ctx = GNUNET_CURL_init - (&GNUNET_CURL_gnunet_scheduler_reschedule, - &is.rc); - GNUNET_assert (NULL != is.ctx); - is.rc = GNUNET_CURL_gnunet_rc_create (is.ctx); - - /* Blocking */ - - if (GNUNET_YES == exchange_connect) - GNUNET_SCHEDULER_run (&main_wrapper_exchange_connect, - &main_ctx); - else - GNUNET_SCHEDULER_run (&main_wrapper_exchange_agnostic, - &main_ctx); - if (NULL != is.final_cleanup_cb) - is.final_cleanup_cb (is.final_cleanup_cb_cls); - GNUNET_free_non_null (main_ctx.exchange_url); - GNUNET_SIGNAL_handler_uninstall (shc_chld); - GNUNET_DISK_pipe_close (sigpipe); - sigpipe = NULL; - return is.result; -} - -/* end of testing_api_loop.c */ diff --git a/src/exchange-lib/testing_api_trait_amount.c b/src/exchange-lib/testing_api_trait_amount.c deleted file mode 100644 index 8f2b79d45..000000000 --- a/src/exchange-lib/testing_api_trait_amount.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, - or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_amount.c - * @brief offer amounts as traits. - * @author Marcello Stanisci - */ - -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_AMOUNT "amount" - -/** - * Obtain an amount from a @a cmd. - * - * @param cmd command to extract the amount from. - * @param index which amount to pick if @a cmd has multiple - * on offer - * @param amount[out] set to the amount. - * - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_get_trait_amount_obj - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_Amount **amount) -{ - return cmd->traits (cmd->cls, - (const void **) amount, - TALER_TESTING_TRAIT_AMOUNT, - index); -} - - -/** - * Offer amount. - * - * @param index which amount to offer, in case there are - * multiple available. - * @param amount the amount to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_amount_obj - (unsigned int index, - const struct TALER_Amount *amount) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_AMOUNT, - .ptr = (const void *) amount - }; - - return ret; -} - - -/* end of testing_api_trait_amount.c */ diff --git a/src/exchange-lib/testing_api_trait_blinding_key.c b/src/exchange-lib/testing_api_trait_blinding_key.c deleted file mode 100644 index 6e52d1148..000000000 --- a/src/exchange-lib/testing_api_trait_blinding_key.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_trait_blinding_key.c - * @brief offer blinding keys as traits. - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_BLINDING_KEY "blinding-key" - - -/** - * Obtain a blinding key from a @a cmd. - * - * @param cmd command to extract trait from - * @param index which coin to pick if @a cmd has multiple on offer. - * @param blinding_key[out] set to the offered blinding key. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_blinding_key - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_DenominationBlindingKeyP **blinding_key) -{ - return cmd->traits (cmd->cls, - (const void **) blinding_key, - TALER_TESTING_TRAIT_BLINDING_KEY, - index); -} - - - -/** - * Offer blinding key. - * - * @param index index number to associate to the offered key. - * @param blinding_key blinding key to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_blinding_key - (unsigned int index, - const struct TALER_DenominationBlindingKeyP *blinding_key) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_BLINDING_KEY, - .ptr = (const void *) blinding_key - }; - - return ret; -} - -/* end of testing_api_trait_blinding_key.c */ diff --git a/src/exchange-lib/testing_api_trait_cmd.c b/src/exchange-lib/testing_api_trait_cmd.c deleted file mode 100644 index 61e976568..000000000 --- a/src/exchange-lib/testing_api_trait_cmd.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_cmd.c - * @brief offers CMDs as traits. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_CMD "cmd" - -/** - * Obtain a command from @a cmd. - * - * @param cmd command to extract the command from. - * @param index always zero. Commands offering this - * kind of traits do not need this index. For - * example, a "batch" CMD returns always the - * CMD currently being executed. - * @param cmd_[out] where to write the wire details. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_cmd - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - struct TALER_TESTING_Command **_cmd) -{ - return cmd->traits (cmd->cls, - (const void **) _cmd, - TALER_TESTING_TRAIT_CMD, - index); -} - - -/** - * Offer a command in a trait. - * - * @param index always zero. Commands offering this - * kind of traits do not need this index. For - * example, a "meta" CMD returns always the - * CMD currently being executed. - * @param cmd wire details to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_cmd - (unsigned int index, - const struct TALER_TESTING_Command *cmd) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_CMD, - .ptr = (const struct TALER_TESTING_Command *) cmd - }; - return ret; -} - -/* end of testing_api_trait_cmd.c */ diff --git a/src/exchange-lib/testing_api_trait_coin_priv.c b/src/exchange-lib/testing_api_trait_coin_priv.c deleted file mode 100644 index b06e4a207..000000000 --- a/src/exchange-lib/testing_api_trait_coin_priv.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_coin_priv.c - * @brief coin priv traits. - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_COIN_PRIVATE_KEY "coin-private-key" - - -/** - * Obtain a coin private key from a @a cmd. - * - * @param cmd command to extract trait from. - * @param index index of the coin priv to obtain. - * @param coin_priv[out] set to the private key of the coin. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_coin_priv - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_CoinSpendPrivateKeyP **coin_priv) -{ - return cmd->traits (cmd->cls, - (const void **) coin_priv, - TALER_TESTING_TRAIT_COIN_PRIVATE_KEY, - index); -} - - -/** - * Offer coin private key. - * - * @param index index number to associate with offered coin priv. - * @param coin_priv coin private key to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_coin_priv - (unsigned int index, - const struct TALER_CoinSpendPrivateKeyP *coin_priv) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_COIN_PRIVATE_KEY, - .ptr = (const void *) coin_priv - }; - - return ret; -} - -/* end of testing_api_trait_coin_priv.c */ diff --git a/src/exchange-lib/testing_api_trait_denom_pub.c b/src/exchange-lib/testing_api_trait_denom_pub.c deleted file mode 100644 index 448a262c8..000000000 --- a/src/exchange-lib/testing_api_trait_denom_pub.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_trait_denom_pub.c - * @brief denom pub traits. - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_DENOM_PUB "denomination-public-key" - - -/** - * Obtain a denomination public key from a @a cmd. - * - * @param cmd command to extract trait from - * @param index index number of the denom to obtain. - * @param denom_pub[out] set to the offered denom pub. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_denom_pub - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_EXCHANGE_DenomPublicKey **denom_pub) -{ - return cmd->traits (cmd->cls, - (const void **) denom_pub, - TALER_TESTING_TRAIT_DENOM_PUB, - index); -} - - -/** - * Make a trait for a denomination public key. - * - * @param index index number to associate to the offered denom pub. - * @param denom_pub denom pub to offer with this trait. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_denom_pub - (unsigned int index, - const struct TALER_EXCHANGE_DenomPublicKey *denom_pub) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_DENOM_PUB, - .ptr = (const void *) denom_pub - }; - - return ret; -} - -/* end of testing_api_trait_denom_pub.c */ diff --git a/src/exchange-lib/testing_api_trait_denom_sig.c b/src/exchange-lib/testing_api_trait_denom_sig.c deleted file mode 100644 index 03062c835..000000000 --- a/src/exchange-lib/testing_api_trait_denom_sig.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, - or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_denom_sig.c - * @brief offer denomination signatures as traits - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_DENOM_SIG "denomination-signature" - - -/** - * Obtain a denomination signature from a @a cmd. - * - * @param cmd command to extract the denom sig from. - * @param index index number associated with the denom sig. - * @param denom_sig[out] set to the offered signature. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_denom_sig - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_DenominationSignature **denom_sig) -{ - return cmd->traits (cmd->cls, - (const void **) denom_sig, - TALER_TESTING_TRAIT_DENOM_SIG, - index); -} - - -/** - * Offer denom sig. - * - * @param index index number to associate to the signature on - * offer. - * @param denom_sig the denom sig on offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_denom_sig - (unsigned int index, - const struct TALER_DenominationSignature *denom_sig) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_DENOM_SIG, - .ptr = (const void *) denom_sig - }; - - return ret; -} - - -/* end of testing_api_trait_denom_sig.c */ diff --git a/src/exchange-lib/testing_api_trait_exchange_pub.c b/src/exchange-lib/testing_api_trait_exchange_pub.c deleted file mode 100644 index e8cdfbb35..000000000 --- a/src/exchange-lib/testing_api_trait_exchange_pub.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_trait_exchange_pub.c - * @brief exchange pub traits. - * @author Christian Grothoff - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_EXCHANGE_PUB "exchange-public-key" - - -/** - * Obtain a exchange public key from a @a cmd. - * - * @param cmd command to extract trait from - * @param index index number of the exchange to obtain. - * @param exchange_pub[out] set to the offered exchange pub. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_exchange_pub - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_ExchangePublicKeyP **exchange_pub) -{ - return cmd->traits (cmd->cls, - (const void **) exchange_pub, - TALER_TESTING_TRAIT_EXCHANGE_PUB, - index); -} - - -/** - * Make a trait for a exchange public key. - * - * @param index index number to associate to the offered exchange pub. - * @param exchange_pub exchange pub to offer with this trait. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_exchange_pub - (unsigned int index, - const struct TALER_ExchangePublicKeyP *exchange_pub) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_EXCHANGE_PUB, - .ptr = (const void *) exchange_pub - }; - - return ret; -} - -/* end of testing_api_trait_exchange_pub.c */ diff --git a/src/exchange-lib/testing_api_trait_exchange_sig.c b/src/exchange-lib/testing_api_trait_exchange_sig.c deleted file mode 100644 index 97ce2d969..000000000 --- a/src/exchange-lib/testing_api_trait_exchange_sig.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_trait_exchange_sig.c - * @brief exchange pub traits. - * @author Christian Grothoff - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_EXCHANGE_SIG "exchange-online-signature" - - -/** - * Obtain a exchange signature (online sig) from a @a cmd. - * - * @param cmd command to extract trait from - * @param index index number of the exchange to obtain. - * @param exchange_sig[out] set to the offered exchange signature. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_exchange_sig - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_ExchangeSignatureP **exchange_sig) -{ - return cmd->traits (cmd->cls, - (const void **) exchange_sig, - TALER_TESTING_TRAIT_EXCHANGE_SIG, - index); -} - - -/** - * Make a trait for a exchange signature. - * - * @param index index number to associate to the offered exchange pub. - * @param exchange_sig exchange signature to offer with this trait. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_exchange_sig - (unsigned int index, - const struct TALER_ExchangeSignatureP *exchange_sig) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_EXCHANGE_SIG, - .ptr = (const void *) exchange_sig - }; - - return ret; -} - -/* end of testing_api_trait_exchange_sig.c */ diff --git a/src/exchange-lib/testing_api_trait_fresh_coin.c b/src/exchange-lib/testing_api_trait_fresh_coin.c deleted file mode 100644 index 1f6cdac2c..000000000 --- a/src/exchange-lib/testing_api_trait_fresh_coin.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_fresh_coin.c - * @brief traits to offer fresh conins (after "melt" operations) - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_FRESH_COINS "fresh-coins" - -/** - * Get a array of fresh coins. - * - * @param cmd command to extract the fresh coin from. - * @param index which array to pick if @a cmd has multiple - * on offer. - * @param fresh_coins[out] will point to the offered array. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_fresh_coins - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct FreshCoin **fresh_coins) -{ - return cmd->traits (cmd->cls, - (const void **) fresh_coins, - TALER_TESTING_TRAIT_FRESH_COINS, - index); -} - - -/** - * Offer a _array_ of fresh coins. - * - * @param index which array of fresh coins to offer, - * if there are multiple on offer. Tipically passed as - * zero. - * @param fresh_coins the array of fresh coins to offer - * - * @return the trait, - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_fresh_coins - (unsigned int index, - struct FreshCoin *fresh_coins) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_FRESH_COINS, - .ptr = (const void *) fresh_coins - }; - return ret; -} - -/* end of testing_api_trait_fresh_coin.c */ diff --git a/src/exchange-lib/testing_api_trait_json.c b/src/exchange-lib/testing_api_trait_json.c deleted file mode 100644 index 5f6647fbb..000000000 --- a/src/exchange-lib/testing_api_trait_json.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_json.c - * @brief offers JSON traits. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_WIRE_DETAILS "wire-details" -#define TALER_TESTING_TRAIT_EXCHANGE_KEYS "exchange-keys" - -/** - * Obtain serialized exchange keys from @a cmd. - * - * @param cmd command to extract the keys from. - * @param index index number associate with the keys on offer. - * @param keys[out] where to write the serialized keys. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_exchange_keys - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const json_t **keys) -{ - return cmd->traits (cmd->cls, - (const void **) keys, - TALER_TESTING_TRAIT_EXCHANGE_KEYS, - index); -} - - -/** - * Offer serialized keys in a trait. - * - * @param index index number associate with the serial keys - * on offer. - * @param keys serialized keys to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_exchange_keys - (unsigned int index, - const json_t *keys) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_EXCHANGE_KEYS, - .ptr = (const json_t *) keys - }; - return ret; -} - -/** - * Obtain wire details from @a cmd. - * - * @param cmd command to extract the wire details from. - * @param index index number associate with the wire details - * on offer; usually zero, as one command sticks to - * one bank account. - * @param wire_details[out] where to write the wire details. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_wire_details - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const json_t **wire_details) -{ - return cmd->traits (cmd->cls, - (const void **) wire_details, - TALER_TESTING_TRAIT_WIRE_DETAILS, - index); -} - - -/** - * Offer wire details in a trait. - * - * @param index index number associate with the wire details - * on offer; usually zero, as one command sticks to - * one bank account. - * @param wire_details wire details to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_wire_details - (unsigned int index, - const json_t *wire_details) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_WIRE_DETAILS, - .ptr = (const json_t *) wire_details - }; - return ret; -} - -/* end of testing_api_trait_json.c */ diff --git a/src/exchange-lib/testing_api_trait_key_peer.c b/src/exchange-lib/testing_api_trait_key_peer.c deleted file mode 100644 index d10623d28..000000000 --- a/src/exchange-lib/testing_api_trait_key_peer.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_key_peer.c - * @brief traits to offer peer's (private) keys - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_KEY_PEER "key-peer" -#define TALER_TESTING_TRAIT_KEY_PEER_PUB "key-peer-pub" - -/** - * Obtain a private key from a "peer". Used e.g. to obtain - * a merchant's priv to sign a /track request. - * - * @param cmd command that is offering the key. - * @param index (tipically zero) which key to return if there - * are multiple on offer. - * @param priv[out] set to the key coming from @a cmd. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_peer_key - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct GNUNET_CRYPTO_EddsaPrivateKey **priv) -{ - return cmd->traits (cmd->cls, - (const void **) priv, - TALER_TESTING_TRAIT_KEY_PEER, - index); -} - -/** - * Offer private key, typically done when CMD_1 needs it to - * sign a request. - * - * @param index (tipically zero) which key to return if there are - * multiple on offer. - * @param priv which object should be offered. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_peer_key - (unsigned int index, - const struct GNUNET_CRYPTO_EddsaPrivateKey *priv) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_KEY_PEER, - .ptr = (const void *) priv - }; - return ret; -} - - -/** - * Obtain a public key from a "peer". Used e.g. to obtain - * a merchant's public key to use backend's API. - * - * @param cmd command offering the key. - * @param index (tipically zero) which key to return if there - * are multiple on offer. - * @param pub[out] set to the key coming from @a cmd. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_peer_key_pub - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct GNUNET_CRYPTO_EddsaPublicKey **pub) -{ - return cmd->traits (cmd->cls, - (const void **) pub, - TALER_TESTING_TRAIT_KEY_PEER_PUB, - index); -} - -/** - * Offer public key. - * - * @param index (tipically zero) which key to return if there - * are multiple on offer. NOTE: if one key is offered, it - * is mandatory to set this as zero. - * @param pub which object should be returned. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_peer_key_pub - (unsigned int index, - struct GNUNET_CRYPTO_EddsaPublicKey *pub) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_KEY_PEER_PUB, - .ptr = (const void *) pub - }; - return ret; -} - - -/* end of testing_api_trait_key_peer.c */ diff --git a/src/exchange-lib/testing_api_trait_number.c b/src/exchange-lib/testing_api_trait_number.c deleted file mode 100644 index ee2e76dbb..000000000 --- a/src/exchange-lib/testing_api_trait_number.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_number.c - * @brief traits to offer numbers - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_UINT "uint" -#define TALER_TESTING_TRAIT_UINT64 "uint-64" - -/** - * Obtain a number from @a cmd. - * - * @param cmd command to extract the number from. - * @param index the number's index number. - * @param n[out] set to the number coming from @a cmd. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_uint - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const unsigned int **n) -{ - return cmd->traits (cmd->cls, - (const void **) n, - TALER_TESTING_TRAIT_UINT, - index); -} - - -/** - * Offer a number. - * - * @param index the number's index number. - * @param n the number to offer. - * @return #GNUNET_OK on success. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_uint - (unsigned int index, - const unsigned int *n) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_UINT, - .ptr = (const void *) n - }; - return ret; -} - -/** - * Obtain a "number" value from @a cmd, 64-bit version. - * - * @param cmd command to extract the number from. - * @param index the number's index number. - * @param n[out] set to the number coming from @a cmd. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_uint64 - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const uint64_t **n) -{ - return cmd->traits (cmd->cls, - (const void **) n, - TALER_TESTING_TRAIT_UINT64, - index); -} - -/** - * Offer number trait, 64-bit version. - * - * @param index the number's index number. - * @param n number to offer. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_uint64 - (unsigned int index, - const uint64_t *n) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_UINT64, - .ptr = (const void *) n - }; - return ret; -} - -/* end of testing_api_trait_number.c */ diff --git a/src/exchange-lib/testing_api_trait_process.c b/src/exchange-lib/testing_api_trait_process.c deleted file mode 100644 index 449b6536f..000000000 --- a/src/exchange-lib/testing_api_trait_process.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, - or (at your option) any later version. - - TALER is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty - of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_process.c - * @brief trait offering process handles. - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_PROCESS "process" - - -/** - * Obtain location where a command stores a pointer to a process. - * - * @param cmd command to extract trait from. - * @param index which process to pick if @a cmd - * has multiple on offer. - * @param coin_priv[out] set to the address of the pointer to the - * process. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_process - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - struct GNUNET_OS_Process ***processp) -{ - return cmd->traits (cmd->cls, - (const void **) processp, - TALER_TESTING_TRAIT_PROCESS, - index); -} - - -/** - * Offer location where a command stores a pointer to a process. - * - * @param index offered location index number, in case there are - * multiple on offer. - * @param processp process location to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_process - (unsigned int index, - struct GNUNET_OS_Process **processp) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_PROCESS, - .ptr = (const void *) processp - }; - - return ret; -} - -/* end of testing_api_trait_process.c */ diff --git a/src/exchange-lib/testing_api_trait_reserve_priv.c b/src/exchange-lib/testing_api_trait_reserve_priv.c deleted file mode 100644 index 4a619d07f..000000000 --- a/src/exchange-lib/testing_api_trait_reserve_priv.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_trait_reserve_priv.c - * @brief implements reserve private key trait - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY \ - "reserve-private-key" - -/** - * Obtain a reserve private key from a @a cmd. - * - * @param cmd command to extract the reserve priv from. - * @param index reserve priv's index number. - * @param reserve_priv[out] set to the reserve priv. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_reserve_priv - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_ReservePrivateKeyP **reserve_priv) -{ - return cmd->traits (cmd->cls, - (const void **) reserve_priv, - TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY, - index); -} - - -/** - * Offer a reserve private key. - * - * @param index reserve priv's index number. - * @param reserve_priv reserve private key to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_reserve_priv - (unsigned int index, - const struct TALER_ReservePrivateKeyP *reserve_priv) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY, - .ptr = (const void *) reserve_priv - }; - return ret; -} - -/* end of testing_api_trait_reserve_priv.c */ diff --git a/src/exchange-lib/testing_api_trait_string.c b/src/exchange-lib/testing_api_trait_string.c deleted file mode 100644 index 8b8f511a7..000000000 --- a/src/exchange-lib/testing_api_trait_string.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_string.c - * @brief offers strings traits. - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_CONTRACT_TERMS "contract-terms" -#define TALER_TESTING_TRAIT_TRANSFER_SUBJECT "transfer-subject" -#define TALER_TESTING_TRAIT_AMOUNT "amount" -#define TALER_TESTING_TRAIT_URL "url" -#define TALER_TESTING_TRAIT_ORDER_ID "order-id" -#define TALER_TESTING_TRAIT_REJECTED "rejected" - -/** - * Obtain contract terms from @a cmd. - * - * @param cmd command to extract the contract terms from. - * @param index contract terms index number. - * @param contract_terms[out] where to write the contract - * terms. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_contract_terms - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const json_t **contract_terms) -{ - return cmd->traits (cmd->cls, - (const void **) contract_terms, - TALER_TESTING_TRAIT_CONTRACT_TERMS, - index); -} - -/** - * Offer contract terms. - * - * @param index contract terms index number. - * @param contract_terms contract terms to offer. - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_contract_terms - (unsigned int index, - const json_t *contract_terms) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_CONTRACT_TERMS, - .ptr = (const void *) contract_terms - }; - return ret; -} - - -/** - * Obtain a transfer subject from @a cmd. - * - * @param cmd command to extract the subject from. - * @param index index number associated with the transfer - * subject to offer. - * @param transfer_subject[out] where to write the offered - * transfer subject. - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_transfer_subject - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const char **transfer_subject) -{ - return cmd->traits (cmd->cls, - (const void **) transfer_subject, - TALER_TESTING_TRAIT_TRANSFER_SUBJECT, - index); -} - -/** - * Offer transfer subject. - * - * @param index index number associated with the transfer - * subject being offered. - * @param transfer_subject transfer subject to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_transfer_subject - (unsigned int index, - const char *transfer_subject) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_TRANSFER_SUBJECT, - .ptr = (const void *) transfer_subject - }; - return ret; -} - - -/** - * Obtain an amount from @a cmd. - * - * @param cmd command to extract the amount from. - * @param index which amount is to be picked, in case - * multiple are offered. - * @param amount[out] where to write the wire details. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_amount - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const char **amount) -{ - return cmd->traits (cmd->cls, - (const void **) amount, - TALER_TESTING_TRAIT_AMOUNT, - index); -} - -/** - * Offer amount in a trait. - * - * @param index which amount is to be offered, - * in case multiple are offered. - * @param amount the amount to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_amount - (unsigned int index, - const char *amount) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_AMOUNT, - .ptr = (const void *) amount - }; - return ret; -} - - -/** - * Obtain a url from @a cmd. - * - * @param cmd command to extract the url from. - * @param index which url is to be picked, in case - * multiple are offered. - * @param url[out] where to write the url. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_url - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const char **url) -{ - return cmd->traits (cmd->cls, - (const void **) url, - TALER_TESTING_TRAIT_URL, - index); -} - -/** - * Offer url in a trait. - * - * @param index which url is to be picked, - * in case multiple are offered. - * @param url the url to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_url - (unsigned int index, - const char *url) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_URL, - .ptr = (const void *) url - }; - return ret; -} - - -/** - * Obtain a order id from @a cmd. - * - * @param cmd command to extract the order id from. - * @param index which order id is to be picked, in case - * multiple are offered. - * @param order_id[out] where to write the order id. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_order_id - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const char **order_id) -{ - return cmd->traits (cmd->cls, - (const void **) order_id, - TALER_TESTING_TRAIT_ORDER_ID, - index); -} - -/** - * Offer order id in a trait. - * - * @param index which order id is to be offered, - * in case multiple are offered. - * @param order_id the order id to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_order_id - (unsigned int index, - const char *order_id) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_ORDER_ID, - .ptr = (const void *) order_id - }; - return ret; -} - -/** - * Obtain the reference to a "reject" CMD. Usually offered - * by _rejected_ bank transfers. - * - * @param cmd command to extract the reference from. - * @param index which reference is to be picked, in case - * multiple are offered. - * @param rejected_reference[out] where to write the reference. - * - * @return #GNUNET_OK on success. - */ -int -TALER_TESTING_get_trait_rejected - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const char **rejected_reference) -{ - return cmd->traits (cmd->cls, - (const void **) rejected_reference, - TALER_TESTING_TRAIT_REJECTED, - index); -} - -/** - * Offer a "reject" CMD reference. - * - * @param index which reference is to be offered, - * in case multiple are offered. - * @param rejected_reference the reference to offer. - * - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_rejected - (unsigned int index, - const char *rejected) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_REJECTED, - .ptr = (const void *) rejected - }; - return ret; -} - -/* end of testing_api_trait_string.c */ diff --git a/src/exchange-lib/testing_api_trait_wtid.c b/src/exchange-lib/testing_api_trait_wtid.c deleted file mode 100644 index 672329713..000000000 --- a/src/exchange-lib/testing_api_trait_wtid.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-lib/testing_api_trait_number.c - * @brief traits to offer numbers - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - -#define TALER_TESTING_TRAIT_WTID "wtid" - -/** - * Obtain a WTID value from @a cmd. - * - * @param cmd command to extract trait from - * @param index which WTID to pick if @a cmd has multiple on - * offer - * @param wtid[out] set to the wanted WTID. - * @return #GNUNET_OK on success - */ -int -TALER_TESTING_get_trait_wtid - (const struct TALER_TESTING_Command *cmd, - unsigned int index, - const struct TALER_WireTransferIdentifierRawP **wtid) -{ - return cmd->traits (cmd->cls, - (const void **) wtid, - TALER_TESTING_TRAIT_WTID, - index); -} - - -/** - * Offer a WTID. - * - * @param index associate the object with this index - * @param wtid which object should be returned - * @return the trait. - */ -struct TALER_TESTING_Trait -TALER_TESTING_make_trait_wtid - (unsigned int index, - const struct TALER_WireTransferIdentifierRawP *wtid) -{ - struct TALER_TESTING_Trait ret = { - .index = index, - .trait_name = TALER_TESTING_TRAIT_WTID, - .ptr = (const void *) wtid - }; - return ret; -} - -/* end of testing_api_trait_number.c */ diff --git a/src/exchange-lib/testing_api_traits.c b/src/exchange-lib/testing_api_traits.c deleted file mode 100644 index aa6c79c83..000000000 --- a/src/exchange-lib/testing_api_traits.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2018 Taler Systems SA - - TALER is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 3, or - (at your option) any later version. - - TALER is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public - License along with TALER; see the file COPYING. If not, see - <http://www.gnu.org/licenses/> -*/ -/** - * @file exchange-lib/testing_api_traits.c - * @brief loop for trait resolution - * @author Christian Grothoff - * @author Marcello Stanisci - */ -#include "platform.h" -#include "taler_json_lib.h" -#include <gnunet/gnunet_curl_lib.h> -#include "exchange_api_handle.h" -#include "taler_signatures.h" -#include "taler_testing_lib.h" - - -/** - * End a trait array. Usually, commands offer several traits, - * and put them in arrays. - */ -struct TALER_TESTING_Trait -TALER_TESTING_trait_end () -{ - struct TALER_TESTING_Trait end = { - .index = 0, - .trait_name = NULL, - .ptr = NULL - }; - - return end; -} - -/** - * Pick the chosen trait from the traits array. - * - * @param traits the traits array. - * @param ret where to store the result. - * @param trait type of the trait to extract. - * @param index index number of the object to extract. - * @return #GNUNET_OK if no error occurred, #GNUNET_SYSERR otherwise. - */ -int -TALER_TESTING_get_trait (const struct TALER_TESTING_Trait *traits, - const void **ret, - const char *trait, - unsigned int index) -{ - for (unsigned int i=0; NULL != traits[i].trait_name; i++) - { - if ( (0 == strcmp (trait, traits[i].trait_name)) && - (index == traits[i].index) ) - { - *ret = (void *) traits[i].ptr; - return GNUNET_OK; - } - } - GNUNET_log (GNUNET_ERROR_TYPE_ERROR, - "Trait %s/%u not found.\n", - trait, index); - - return GNUNET_SYSERR; -} - -/* end of testing_api_traits.c */ |