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/*
This file is part of TALER
(C) 2014 Christian Grothoff (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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file merchant/merchant.c
* @brief Common utility functions for merchant
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include "merchant.h"
#define EXITIF(cond) \
do { \
if (cond) { GNUNET_break (0); goto EXITIF_exit; } \
} while (0)
/**
* Parses mints from the configuration.
*
* @param cfg the configuration
* @param mints the array of mints upon successful parsing. Will be NULL upon
* error.
* @return the number of mints in the above array; GNUNET_SYSERR upon error in
* parsing.
*/
int
TALER_MERCHANT_parse_mints (const struct GNUNET_CONFIGURATION_Handle *cfg,
struct MERCHANT_MintInfo **mints)
{
char *mints_str;
char *token_nf; /* do no free (nf) */
char *mint_section;
char *mint_hostname;
char *mint_pubkey_enc;
struct MERCHANT_MintInfo *r_mints;
struct MERCHANT_MintInfo mint;
unsigned long long mint_port;
unsigned int cnt;
int OK;
OK = 0;
mints_str = NULL;
token_nf = NULL;
mint_section = NULL;
mint_hostname = NULL;
mint_pubkey_enc = NULL;
r_mints = NULL;
cnt = 0;
EXITIF (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg,
"merchant",
"TRUSTED_MINTS",
&mints_str));
for (token_nf = strtok (mints_str, " ");
NULL != token_nf;
token_nf = strtok (NULL, " "))
{
GNUNET_assert (0 < GNUNET_asprintf (&mint_section,
"mint-%s", token_nf));
EXITIF (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
mint_section,
"HOSTNAME",
&mint_hostname));
EXITIF (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (cfg,
mint_section,
"PORT",
&mint_port));
EXITIF (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
mint_section,
"PUBKEY",
&mint_pubkey_enc));
EXITIF (GNUNET_OK !=
GNUNET_CRYPTO_eddsa_public_key_from_string (mint_pubkey_enc,
strlen (mint_pubkey_enc),
&mint.pubkey));
mint.hostname = mint_hostname;
mint.port = (uint16_t) mint_port;
GNUNET_array_append (r_mints, cnt, mint);
mint_hostname = NULL;
GNUNET_free (mint_pubkey_enc);
mint_pubkey_enc = NULL;
GNUNET_free (mint_section);
mint_section = NULL;
}
OK = 1;
EXITIF_exit:
GNUNET_free_non_null (mints_str);
GNUNET_free_non_null (mint_section);
GNUNET_free_non_null (mint_hostname);
GNUNET_free_non_null (mint_pubkey_enc);
if (!OK)
{
GNUNET_free_non_null (r_mints);
return GNUNET_SYSERR;
}
*mints = r_mints;
return cnt;
}
/**
* Parse the SEPA information from the configuration. If any of the required
* fileds is missing return NULL.
*
* @param cfg the configuration
* @return Sepa details as a structure; NULL upon error
*/
struct MERCHANT_WIREFORMAT_Sepa *
TALER_MERCHANT_parse_wireformat_sepa (const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct MERCHANT_WIREFORMAT_Sepa *wf;
wf = GNUNET_new (struct MERCHANT_WIREFORMAT_Sepa);
EXITIF (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg,
"wire-sepa",
"IBAN",
&wf->iban));
EXITIF (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg,
"wire-sepa",
"NAME",
&wf->name));
EXITIF (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg,
"wire-sepa",
"BIC",
&wf->bic));
return wf;
EXITIF_exit:
GNUNET_free_non_null (wf->iban);
GNUNET_free_non_null (wf->name);
GNUNET_free_non_null (wf->bic);
GNUNET_free (wf);
return NULL;
}
/**
* Destroy and free resouces occupied by the wireformat structure
*
* @param wf the wireformat structure
*/
void
TALER_MERCHANT_destroy_wireformat_sepa (struct MERCHANT_WIREFORMAT_Sepa *wf)
{
GNUNET_free_non_null (wf->iban);
GNUNET_free_non_null (wf->name);
GNUNET_free_non_null (wf->bic);
GNUNET_free (wf);
}
/* end of merchant.c */
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