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/*
This file is part of TALER
Copyright (C) 2014-2017 GNUnet e. V. (and other contributing authors)
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 exchangedb/test_exchangedb_denomkeys.c
* @brief test cases for some functions in exchangedb/exchangedb_denomkeys.c
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include "gnunet/gnunet_util_lib.h"
#include "taler_signatures.h"
#include "taler_exchangedb_lib.h"
#define RSA_KEY_SIZE 1024
#define EXITIF(cond) \
do { \
if (cond) { GNUNET_break (0); goto EXITIF_exit; } \
} while (0)
/**
* @brief Iterator called on denomination key.
*
* @param cls closure with expected DKI
* @param dki the denomination key
* @param alias coin alias
* @return #GNUNET_OK to continue to iterate,
* #GNUNET_NO to stop iteration with no error,
* #GNUNET_SYSERR to abort iteration with error!
*/
static int
dki_iter (void *cls,
const char *alias,
const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki)
{
const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *exp = cls;
if (0 != GNUNET_memcmp (&exp->issue,
&dki->issue))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 !=
GNUNET_CRYPTO_rsa_private_key_cmp (exp->denom_priv.rsa_private_key,
dki->denom_priv.rsa_private_key))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 !=
GNUNET_CRYPTO_rsa_public_key_cmp (exp->denom_pub.rsa_public_key,
dki->denom_pub.rsa_public_key))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
/**
* @brief Iterator called on revoked denomination key.
*
* @param cls closure with expected DKI
* @param denom_hash hash of the revoked denomination key
* @param revocation_master_sig non-NULL if @a dki was revoked
* @return #GNUNET_OK to continue to iterate,
* #GNUNET_NO to stop iteration with no error,
* #GNUNET_SYSERR to abort iteration with error!
*/
static int
dki_iter_revoked (void *cls,
const struct GNUNET_HashCode *denom_hash,
const struct TALER_MasterSignatureP *revocation_master_sig)
{
const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *exp = cls;
if (NULL == revocation_master_sig)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (0 != GNUNET_memcmp (denom_hash,
&exp->issue.properties.denom_hash))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
int
main (int argc,
const char *const argv[])
{
struct TALER_EXCHANGEDB_DenominationKeyIssueInformation dki;
char *enc;
size_t enc_size;
struct TALER_EXCHANGEDB_DenominationKeyIssueInformation dki_read;
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
struct TALER_MasterPrivateKeyP master_priv;
struct TALER_MasterPublicKeyP master_pub;
char *enc_read;
size_t enc_read_size;
char *tmpfile;
char *tmpdir;
char *revdir;
int ret;
struct GNUNET_TIME_Absolute start;
ret = 1;
GNUNET_log_setup ("test-exchangedb-denomkeys",
"WARNING",
NULL);
enc = NULL;
enc_read = NULL;
tmpfile = NULL;
dki.denom_priv.rsa_private_key = NULL;
dki_read.denom_priv.rsa_private_key = NULL;
pk = GNUNET_CRYPTO_eddsa_key_create ();
master_priv.eddsa_priv = *pk;
GNUNET_CRYPTO_eddsa_key_get_public (pk,
&master_pub.eddsa_pub);
GNUNET_free (pk);
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
&dki.issue,
sizeof (struct
TALER_EXCHANGEDB_DenominationKeyInformationP));
dki.denom_priv.rsa_private_key
= GNUNET_CRYPTO_rsa_private_key_create (RSA_KEY_SIZE);
dki.denom_pub.rsa_public_key
= GNUNET_CRYPTO_rsa_private_key_get_public (dki.denom_priv.rsa_private_key);
enc_size = GNUNET_CRYPTO_rsa_private_key_encode (
dki.denom_priv.rsa_private_key,
&enc);
EXITIF (NULL == (tmpdir = GNUNET_DISK_mkdtemp ("test_exchangedb_dki")));
start = GNUNET_TIME_absolute_ntoh (dki.issue.properties.start);
GNUNET_asprintf (&tmpfile,
"%s/%s/%s/%llu",
tmpdir,
TALER_EXCHANGEDB_DIR_DENOMINATION_KEYS,
"cur-unit-uuid",
(unsigned long long) start.abs_value_us);
GNUNET_asprintf (&revdir,
"%s/revocations/",
tmpdir,
TALER_EXCHANGEDB_DIR_DENOMINATION_KEYS);
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_write (tmpfile,
&dki));
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_read (tmpfile,
&dki_read));
EXITIF (1 !=
TALER_EXCHANGEDB_denomination_keys_iterate (tmpdir,
&dki_iter,
&dki));
EXITIF (GNUNET_OK !=
TALER_EXCHANGEDB_denomination_key_revoke (revdir,
&dki.issue.properties.
denom_hash,
&master_priv));
EXITIF (1 !=
TALER_EXCHANGEDB_revocations_iterate (revdir,
&master_pub,
&dki_iter_revoked,
&dki));
GNUNET_free (revdir);
enc_read_size = GNUNET_CRYPTO_rsa_private_key_encode (
dki_read.denom_priv.rsa_private_key,
&enc_read);
EXITIF (enc_size != enc_read_size);
EXITIF (0 != memcmp (enc,
enc_read,
enc_size));
ret = 0;
EXITIF_exit:
GNUNET_free_non_null (enc);
GNUNET_free_non_null (tmpfile);
if (NULL != tmpdir)
{
(void) GNUNET_DISK_directory_remove (tmpdir);
GNUNET_free (tmpdir);
}
GNUNET_free_non_null (enc_read);
if (NULL != dki.denom_priv.rsa_private_key)
GNUNET_CRYPTO_rsa_private_key_free (dki.denom_priv.rsa_private_key);
if (NULL != dki.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (dki.denom_pub.rsa_public_key);
if (NULL != dki_read.denom_priv.rsa_private_key)
GNUNET_CRYPTO_rsa_private_key_free (dki_read.denom_priv.rsa_private_key);
if (NULL != dki_read.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (dki_read.denom_pub.rsa_public_key);
return ret;
}
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