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/*
This file is part of TALER
Copyright (C) 2015, 2016 Inria & GNUnet e.V.
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 exchangedb/plugin_exchangedb_common.c
* @brief Functions shared across plugins, this file is meant to be
* included in each plugin.
* @author Christian Grothoff
*/
/**
* Free memory associated with the given reserve history.
*
* @param cls the @e cls of this struct with the plugin-specific state (unused)
* @param rh history to free.
*/
static void
common_free_reserve_history (void *cls,
struct TALER_EXCHANGEDB_ReserveHistory *rh)
{
struct TALER_EXCHANGEDB_BankTransfer *bt;
struct TALER_EXCHANGEDB_CollectableBlindcoin *cbc;
struct TALER_EXCHANGEDB_ReserveHistory *backref;
while (NULL != rh)
{
switch(rh->type)
{
case TALER_EXCHANGEDB_RO_BANK_TO_EXCHANGE:
bt = rh->details.bank;
if (NULL != bt->sender_account_details)
json_decref (bt->sender_account_details);
if (NULL != bt->transfer_details)
json_decref (bt->transfer_details);
GNUNET_free (bt);
break;
case TALER_EXCHANGEDB_RO_WITHDRAW_COIN:
cbc = rh->details.withdraw;
GNUNET_CRYPTO_rsa_signature_free (cbc->sig.rsa_signature);
GNUNET_CRYPTO_rsa_public_key_free (cbc->denom_pub.rsa_public_key);
GNUNET_free (cbc);
break;
}
backref = rh;
rh = rh->next;
GNUNET_free (backref);
}
}
/**
* Free memory of the link data list.
*
* @param cls the @e cls of this struct with the plugin-specific state (unused)
* @param ldl link data list to release
*/
static void
common_free_link_data_list (void *cls,
struct TALER_EXCHANGEDB_LinkDataList *ldl)
{
struct TALER_EXCHANGEDB_LinkDataList *next;
while (NULL != ldl)
{
next = ldl->next;
if (NULL != ldl->denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (ldl->denom_pub.rsa_public_key);
if (NULL != ldl->ev_sig.rsa_signature)
GNUNET_CRYPTO_rsa_signature_free (ldl->ev_sig.rsa_signature);
GNUNET_free (ldl);
ldl = next;
}
}
/**
* Free linked list of transactions.
*
* @param cls the @e cls of this struct with the plugin-specific state (unused)
* @param list list to free
*/
static void
common_free_coin_transaction_list (void *cls,
struct TALER_EXCHANGEDB_TransactionList *list)
{
struct TALER_EXCHANGEDB_TransactionList *next;
while (NULL != list)
{
next = list->next;
switch (list->type)
{
case TALER_EXCHANGEDB_TT_DEPOSIT:
json_decref (list->details.deposit->receiver_wire_account);
if (NULL != list->details.deposit->coin.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (list->details.deposit->coin.denom_pub.rsa_public_key);
if (NULL != list->details.deposit->coin.denom_sig.rsa_signature)
GNUNET_CRYPTO_rsa_signature_free (list->details.deposit->coin.denom_sig.rsa_signature);
GNUNET_free (list->details.deposit);
break;
case TALER_EXCHANGEDB_TT_REFRESH_MELT:
if (NULL != list->details.melt->coin.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (list->details.melt->coin.denom_pub.rsa_public_key);
if (NULL != list->details.melt->coin.denom_sig.rsa_signature)
GNUNET_CRYPTO_rsa_signature_free (list->details.melt->coin.denom_sig.rsa_signature);
GNUNET_free (list->details.melt);
break;
case TALER_EXCHANGEDB_TT_REFUND:
if (NULL != list->details.refund->coin.denom_pub.rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (list->details.refund->coin.denom_pub.rsa_public_key);
if (NULL != list->details.refund->coin.denom_sig.rsa_signature)
GNUNET_CRYPTO_rsa_signature_free (list->details.refund->coin.denom_sig.rsa_signature);
GNUNET_free (list->details.refund);
break;
}
GNUNET_free (list);
list = next;
}
}
/**
* Free melt commitment data.
*
* @param cls the @e cls of this struct with the plugin-specific state (unused)
* @param mc data structure to free
*/
static void
common_free_melt_commitment (void *cls,
struct TALER_EXCHANGEDB_MeltCommitment *mc)
{
unsigned int i;
unsigned int k;
if (NULL != mc->denom_pubs)
{
for (i=0;i<mc->num_newcoins;i++)
if (NULL != mc->denom_pubs[i].rsa_public_key)
GNUNET_CRYPTO_rsa_public_key_free (mc->denom_pubs[i].rsa_public_key);
GNUNET_free (mc->denom_pubs);
}
for (k=0;k<TALER_CNC_KAPPA;k++)
{
if (NULL != mc->commit_coins[k])
{
for (i=0;i<mc->num_newcoins;i++)
{
/* NOTE: 'non_null' because this API is used also
internally to clean up the struct on failures! */
GNUNET_free_non_null (mc->commit_coins[k][i].coin_ev);
}
GNUNET_free (mc->commit_coins[k]);
}
}
GNUNET_free (mc);
}
/* end of plugin_exchangedb_common.c */
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