diff options
Diffstat (limited to 'src/lib/exchange_api_common.c')
| -rw-r--r-- | src/lib/exchange_api_common.c | 107 |
1 files changed, 57 insertions, 50 deletions
diff --git a/src/lib/exchange_api_common.c b/src/lib/exchange_api_common.c index 5c56f5278..af77d29e5 100644 --- a/src/lib/exchange_api_common.c +++ b/src/lib/exchange_api_common.c @@ -1,6 +1,6 @@ /* This file is part of TALER - Copyright (C) 2015-2017 Taler Systems SA + Copyright (C) 2015-2020 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 @@ -66,6 +66,7 @@ TALER_EXCHANGE_parse_reserve_history ( uuid_off = 0; for (unsigned int off = 0; off<history_length; off++) { + struct TALER_EXCHANGE_ReserveHistory *rh = &rhistory[off]; json_t *transaction; struct TALER_Amount amount; const char *type; @@ -89,7 +90,13 @@ TALER_EXCHANGE_parse_reserve_history ( return GNUNET_SYSERR; } rhistory[off].amount = amount; - + if (GNUNET_YES != + TALER_amount_cmp_currency (&amount, + &total_in)) + { + GNUNET_break_op (0); + return GNUNET_SYSERR; + } if (0 == strcasecmp (type, "CREDIT")) { @@ -109,7 +116,7 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_JSON_spec_end () }; - rhistory[off].type = TALER_EXCHANGE_RTT_CREDIT; + rh->type = TALER_EXCHANGE_RTT_CREDIT; if (GNUNET_OK != TALER_amount_add (&total_in, &total_in, @@ -127,11 +134,11 @@ TALER_EXCHANGE_parse_reserve_history ( 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 = + rh->details.in_details.sender_url = GNUNET_strdup (wire_url); + rh->details.in_details.wire_reference = wire_reference; + rh->details.in_details.wire_reference_size = wire_reference_size; - rhistory[off].details.in_details.timestamp = timestamp; + rh->details.in_details.timestamp = timestamp; /* end type==DEPOSIT */ } else if (0 == strcasecmp (type, @@ -151,7 +158,7 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_JSON_spec_end () }; - rhistory[off].type = TALER_EXCHANGE_RTT_WITHDRAWAL; + rh->type = TALER_EXCHANGE_RTT_WITHDRAWAL; if (GNUNET_OK != GNUNET_JSON_parse (transaction, withdraw_spec, @@ -201,9 +208,9 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_JSON_parse_free (withdraw_spec); return GNUNET_SYSERR; } - rhistory[off].details.withdraw.fee = fee; + rh->details.withdraw.fee = fee; } - rhistory[off].details.withdraw.out_authorization_sig + rh->details.withdraw.out_authorization_sig = json_object_get (transaction, "signature"); /* Check check that the same withdraw transaction @@ -248,18 +255,16 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_JSON_spec_fixed_auto ("coin_pub", &pc.coin_pub), GNUNET_JSON_spec_fixed_auto ("exchange_sig", - &rhistory[off].details.recoup_details. - exchange_sig), + &rh->details.recoup_details.exchange_sig), GNUNET_JSON_spec_fixed_auto ("exchange_pub", - &rhistory[off].details.recoup_details. - exchange_pub), + &rh->details.recoup_details.exchange_pub), GNUNET_JSON_spec_absolute_time_nbo ("timestamp", &pc.timestamp), GNUNET_JSON_spec_end () }; - rhistory[off].type = TALER_EXCHANGE_RTT_RECOUP; - rhistory[off].amount = amount; + rh->type = TALER_EXCHANGE_RTT_RECOUP; + rh->amount = amount; if (GNUNET_OK != GNUNET_JSON_parse (transaction, recoup_spec, @@ -268,31 +273,30 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_break_op (0); return GNUNET_SYSERR; } - rhistory[off].details.recoup_details.coin_pub = pc.coin_pub; + rh->details.recoup_details.coin_pub = pc.coin_pub; TALER_amount_hton (&pc.recoup_amount, &amount); pc.purpose.size = htonl (sizeof (pc)); pc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP); pc.reserve_pub = *reserve_pub; timestamp = GNUNET_TIME_absolute_ntoh (pc.timestamp); - rhistory[off].details.recoup_details.timestamp = timestamp; + rh->details.recoup_details.timestamp = timestamp; key_state = TALER_EXCHANGE_get_keys (exchange); if (GNUNET_OK != TALER_EXCHANGE_test_signing_key (key_state, - &rhistory[off].details. + &rh->details. recoup_details.exchange_pub)) { GNUNET_break_op (0); return GNUNET_SYSERR; } if (GNUNET_OK != - GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP, - &pc.purpose, - &rhistory[off].details.recoup_details. - exchange_sig.eddsa_signature, - &rhistory[off].details.recoup_details. - exchange_pub.eddsa_pub)) + GNUNET_CRYPTO_eddsa_verify ( + TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP, + &pc.purpose, + &rh->details.recoup_details.exchange_sig.eddsa_signature, + &rh->details.recoup_details.exchange_pub.eddsa_pub)) { GNUNET_break_op (0); return GNUNET_SYSERR; @@ -300,7 +304,7 @@ TALER_EXCHANGE_parse_reserve_history ( if (GNUNET_OK != TALER_amount_add (&total_in, &total_in, - &rhistory[off].amount)) + &rh->amount)) { /* overflow in history already!? inconceivable! Bad exchange! */ GNUNET_break_op (0); @@ -315,17 +319,15 @@ TALER_EXCHANGE_parse_reserve_history ( 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_string ( + "receiver_account_details", + &rh->details.close_details.receiver_account_details), GNUNET_JSON_spec_fixed_auto ("wtid", - &rhistory[off].details.close_details.wtid), + &rh->details.close_details.wtid), GNUNET_JSON_spec_fixed_auto ("exchange_sig", - &rhistory[off].details.close_details. - exchange_sig), + &rh->details.close_details.exchange_sig), GNUNET_JSON_spec_fixed_auto ("exchange_pub", - &rhistory[off].details.close_details. - exchange_pub), + &rh->details.close_details.exchange_pub), TALER_JSON_spec_amount_nbo ("closing_fee", &rcc.closing_fee), GNUNET_JSON_spec_absolute_time_nbo ("timestamp", @@ -333,8 +335,8 @@ TALER_EXCHANGE_parse_reserve_history ( GNUNET_JSON_spec_end () }; - rhistory[off].type = TALER_EXCHANGE_RTT_CLOSE; - rhistory[off].amount = amount; + rh->type = TALER_EXCHANGE_RTT_CLOSE; + rh->amount = amount; if (GNUNET_OK != GNUNET_JSON_parse (transaction, closing_spec, @@ -346,34 +348,32 @@ TALER_EXCHANGE_parse_reserve_history ( 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, + rh->details.close_details.receiver_account_details, + strlen (rh->details.close_details.receiver_account_details) + 1, &rcc.h_wire); - rcc.wtid = rhistory[off].details.close_details.wtid; + rcc.wtid = rh->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; - TALER_amount_ntoh (&rhistory[off].details.close_details.fee, + rh->details.close_details.timestamp = timestamp; + TALER_amount_ntoh (&rh->details.close_details.fee, &rcc.closing_fee); key_state = TALER_EXCHANGE_get_keys (exchange); if (GNUNET_OK != TALER_EXCHANGE_test_signing_key (key_state, - &rhistory[off].details.close_details. + &rh->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_CRYPTO_eddsa_verify ( + TALER_SIGNATURE_EXCHANGE_RESERVE_CLOSED, + &rcc.purpose, + &rh->details.close_details.exchange_sig.eddsa_signature, + &rh->details.close_details.exchange_pub.eddsa_pub)) { GNUNET_break_op (0); return GNUNET_SYSERR; @@ -381,7 +381,7 @@ TALER_EXCHANGE_parse_reserve_history ( if (GNUNET_OK != TALER_amount_add (&total_out, &total_out, - &rhistory[off].amount)) + &rh->amount)) { /* overflow in history already!? inconceivable! Bad exchange! */ GNUNET_break_op (0); @@ -505,6 +505,13 @@ TALER_EXCHANGE_verify_coin_history ( GNUNET_break_op (0); return GNUNET_SYSERR; } + if (GNUNET_YES != + TALER_amount_cmp_currency (&amount, + &rtotal)) + { + GNUNET_break_op (0); + return GNUNET_SYSERR; + } add = GNUNET_SYSERR; if (0 == strcasecmp (type, "DEPOSIT")) |