140 lines
4.3 KiB
C
140 lines
4.3 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2018 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>
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*/
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/**
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* @file bank-lib/bank_api_parse.c
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* @brief Convenience function to parse authentication configuration
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* @author Christian Grothoff
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*/
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#include "platform.h"
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#include "taler_bank_service.h"
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/**
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* Parse configuration section with bank authentication data.
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*
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* @param cfg configuration to parse
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* @param section the section with the configuration data
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* @param auth[out] set to the configuration data found
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* @return #GNUNET_OK on success
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*/
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int
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TALER_BANK_auth_parse_cfg (const struct GNUNET_CONFIGURATION_Handle *cfg,
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const char *section,
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struct TALER_BANK_AuthenticationData *auth)
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{
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const struct
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{
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const char *m;
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enum TALER_BANK_AuthenticationMethod e;
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} methods[] = {
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{ "NONE", TALER_BANK_AUTH_NONE },
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{ "BASIC", TALER_BANK_AUTH_BASIC },
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{ NULL, TALER_BANK_AUTH_NONE }
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};
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char *method;
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if (GNUNET_OK !=
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GNUNET_CONFIGURATION_get_value_string (cfg,
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section,
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"TALER_BANK_AUTH_METHOD",
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&method))
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{
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GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
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section,
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"TALER_BANK_AUTH_METHOD");
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return GNUNET_SYSERR;
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}
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for (unsigned int i = 0; NULL != methods[i].m; i++)
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{
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if (0 == strcasecmp (method,
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methods[i].m))
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{
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switch (methods[i].e)
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{
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case TALER_BANK_AUTH_NONE:
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auth->method = TALER_BANK_AUTH_NONE;
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GNUNET_free (method);
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return GNUNET_OK;
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case TALER_BANK_AUTH_BASIC:
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if (GNUNET_OK !=
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GNUNET_CONFIGURATION_get_value_string (cfg,
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section,
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"USERNAME",
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&auth->details.basic.username))
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{
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GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
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section,
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"USERNAME");
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GNUNET_free (method);
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return GNUNET_SYSERR;
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}
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if (GNUNET_OK !=
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GNUNET_CONFIGURATION_get_value_string (cfg,
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section,
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"PASSWORD",
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&auth->details.basic.password))
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{
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GNUNET_free (auth->details.basic.username);
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auth->details.basic.username = NULL;
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GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
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section,
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"USERNAME");
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GNUNET_free (method);
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return GNUNET_SYSERR;
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}
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auth->method = TALER_BANK_AUTH_BASIC;
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GNUNET_free (method);
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return GNUNET_OK;
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}
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}
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}
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GNUNET_free (method);
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return GNUNET_SYSERR;
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}
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/**
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* Free memory inside of @a auth (but not auth itself).
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* Dual to #TALER_BANK_auth_parse_cfg().
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*
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* @param auth authentication data to free
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*/
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void
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TALER_BANK_auth_free (struct TALER_BANK_AuthenticationData *auth)
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{
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switch (auth->method)
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{
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case TALER_BANK_AUTH_NONE:
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break;
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case TALER_BANK_AUTH_BASIC:
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if (NULL != auth->details.basic.username)
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{
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GNUNET_free (auth->details.basic.username);
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auth->details.basic.username = NULL;
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}
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if (NULL != auth->details.basic.password)
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{
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GNUNET_free (auth->details.basic.password);
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auth->details.basic.password = NULL;
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}
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break;
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}
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}
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/* end of bank_api_parse.c */
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