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-rw-r--r--src/merchant/merchant.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/src/merchant/merchant.c b/src/merchant/merchant.c
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--- /dev/null
+++ b/src/merchant/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 */