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-rw-r--r--src/bank-lib/bank_api_parse.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/bank-lib/bank_api_parse.c b/src/bank-lib/bank_api_parse.c
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+++ b/src/bank-lib/bank_api_parse.c
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+/*
+ This file is part of TALER
+ Copyright (C) 2018 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
+ 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 bank-lib/bank_api_parse.c
+ * @brief Convenience function to parse authentication configuration
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_bank_service.h"
+
+
+/**
+ * Parse configuration section with bank authentication data.
+ *
+ * @param cfg configuration to parse
+ * @param section the section with the configuration data
+ * @param auth[out] set to the configuration data found
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_BANK_auth_parse_cfg (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *section,
+ struct TALER_BANK_AuthenticationData *auth)
+{
+ const struct {
+ const char *m;
+ enum TALER_BANK_AuthenticationMethod e;
+ } methods[] = {
+ { "NONE", TALER_BANK_AUTH_NONE },
+ { "BASIC", TALER_BANK_AUTH_BASIC },
+ { NULL, TALER_BANK_AUTH_NONE }
+ };
+ char *method;
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ section,
+ "TALER_BANK_AUTH_METHOD",
+ &method))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ section,
+ "TALER_BANK_AUTH_METHOD");
+ return GNUNET_SYSERR;
+ }
+ for (unsigned int i=0; NULL != methods[i].m;i++)
+ {
+ if (0 == strcasecmp (method,
+ methods[i].m))
+ {
+ switch (methods[i].e)
+ {
+ case TALER_BANK_AUTH_NONE:
+ auth->method = TALER_BANK_AUTH_NONE;
+ return GNUNET_OK;
+ case TALER_BANK_AUTH_BASIC:
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ section,
+ "USERNAME",
+ &auth->details.basic.username))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ section,
+ "USERNAME");
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ section,
+ "PASSWORD",
+ &auth->details.basic.password))
+ {
+ GNUNET_free (auth->details.basic.username);
+ auth->details.basic.username = NULL;
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ section,
+ "USERNAME");
+ return GNUNET_SYSERR;
+ }
+ auth->method = TALER_BANK_AUTH_BASIC;
+ return GNUNET_OK;
+ }
+ }
+ }
+ return GNUNET_SYSERR;
+}
+
+
+/**
+ * Free memory inside of @a auth (but not auth itself).
+ * Dual to #TALER_BANK_auth_parse_cfg().
+ *
+ * @param auth authentication data to free
+ */
+void
+TALER_BANK_auth_free (struct TALER_BANK_AuthenticationData *auth)
+{
+ switch (auth->method)
+ {
+ case TALER_BANK_AUTH_NONE:
+ break;
+ case TALER_BANK_AUTH_BASIC:
+ if (NULL != auth->details.basic.username)
+ {
+ GNUNET_free (auth->details.basic.username);
+ auth->details.basic.username = NULL;
+ }
+ if (NULL != auth->details.basic.password)
+ {
+ GNUNET_free (auth->details.basic.password);
+ auth->details.basic.password = NULL;
+ }
+ break;
+ }
+}
+
+
+/* end of bank_api_parse.c */