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/*
This file is part of TALER
Copyright (C) 2018-2020 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"
/**
* Convenience method for parsing configuration section with bank account data.
*
* @param cfg configuration to parse
* @param section the section with the configuration data
* @param acc[out] set to the account details
* @return #GNUNET_OK on success
*/
int
TALER_BANK_account_parse_cfg (const struct GNUNET_CONFIGURATION_Handle *cfg,
const char *section,
struct TALER_Account *acc)
{
char *account_url;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
section,
"URL",
&account_url))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
section,
"URL");
return GNUNET_SYSERR;
}
if (TALER_EC_NONE !=
TALER_BANK_payto_to_account (account_url,
acc))
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
section,
"URL",
"Malformed payto:// URL for x-taler-bank method");
GNUNET_free (account_url);
return GNUNET_SYSERR;
}
if (TALER_PAC_X_TALER_BANK != acc->type)
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
section,
"URL",
"Malformed payto:// URL for x-taler-bank method");
GNUNET_free (account_url);
TALER_BANK_account_free (acc);
return GNUNET_SYSERR;
}
GNUNET_free (account_url);
return GNUNET_OK;
}
/**
* 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;
GNUNET_free (method);
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");
GNUNET_free (method);
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,
"PASSWORD");
GNUNET_free (method);
return GNUNET_SYSERR;
}
auth->method = TALER_BANK_AUTH_BASIC;
GNUNET_free (method);
return GNUNET_OK;
}
}
}
GNUNET_free (method);
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 */
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