diff options
Diffstat (limited to 'src/backend/merchant.c')
| -rw-r--r-- | src/backend/merchant.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/backend/merchant.c b/src/backend/merchant.c new file mode 100644 index 00000000..f124a030 --- /dev/null +++ b/src/backend/merchant.c @@ -0,0 +1,173 @@ +/* + 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 */ |