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/*
This file is part of TALER
Copyright (C) 2014-2020 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 config.c
* @brief configuration parsing functions for Taler-specific data types
* @author Florian Dold
* @author Benedikt Mueller
*/
#include "platform.h"
#include "taler_util.h"
enum GNUNET_GenericReturnValue
TALER_config_get_amount (const struct GNUNET_CONFIGURATION_Handle *cfg,
const char *section,
const char *option,
struct TALER_Amount *denom)
{
char *str;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
section,
option,
&str))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
section,
option);
return GNUNET_NO;
}
if (GNUNET_OK !=
TALER_string_to_amount (str,
denom))
{
GNUNET_free (str);
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
section,
option,
"invalid amount");
return GNUNET_SYSERR;
}
GNUNET_free (str);
return GNUNET_OK;
}
enum GNUNET_GenericReturnValue
TALER_config_get_denom_fees (const struct GNUNET_CONFIGURATION_Handle *cfg,
const char *currency,
const char *section,
struct TALER_DenomFeeSet *fees)
{
if (GNUNET_OK !=
TALER_config_get_amount (cfg,
section,
"FEE_WITHDRAW",
&fees->withdraw))
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
"Need amount for option `%s' in section `%s'\n",
"FEE_WITHDRAW",
section);
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
TALER_config_get_amount (cfg,
section,
"FEE_DEPOSIT",
&fees->deposit))
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
"Need amount for option `%s' in section `%s'\n",
"FEE_DEPOSIT",
section);
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
TALER_config_get_amount (cfg,
section,
"FEE_REFRESH",
&fees->refresh))
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
"Need amount for option `%s' in section `%s'\n",
"FEE_REFRESH",
section);
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
TALER_config_get_amount (cfg,
section,
"FEE_REFUND",
&fees->refund))
{
GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
"Need amount for option `%s' in section `%s'\n",
"FEE_REFUND",
section);
return GNUNET_SYSERR;
}
if (GNUNET_OK !=
TALER_denom_fee_check_currency (currency,
fees))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Need fee amounts in section `%s' to use currency `%s'\n",
section,
currency);
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
enum GNUNET_GenericReturnValue
TALER_config_get_currency (const struct GNUNET_CONFIGURATION_Handle *cfg,
char **currency)
{
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
"taler",
"CURRENCY",
currency))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"taler",
"CURRENCY");
return GNUNET_SYSERR;
}
if (strlen (*currency) >= TALER_CURRENCY_LEN)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Currency `%s' longer than the allowed limit of %u characters.",
*currency,
(unsigned int) TALER_CURRENCY_LEN);
GNUNET_free (*currency);
*currency = NULL;
return GNUNET_SYSERR;
}
return GNUNET_OK;
}
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