69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
|
|
This file is part of TALER
|
|
Copyright (C) 2022 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 exchangedb/pg_get_extension_manifest.c
|
|
* @brief Implementation of the get_extension_manifest function for Postgres
|
|
* @author Christian Grothoff
|
|
*/
|
|
#include "platform.h"
|
|
#include "taler_error_codes.h"
|
|
#include "taler_dbevents.h"
|
|
#include "taler_pq_lib.h"
|
|
#include "pg_get_extension_manifest.h"
|
|
#include "pg_helper.h"
|
|
|
|
/**
|
|
* Function called to get the manifest of an extension
|
|
* (age-restriction, policy_extension_...)
|
|
*
|
|
* @param cls the @e cls of this struct with the plugin-specific state
|
|
* @param extension_name the name of the extension
|
|
* @param[out] manifest JSON object of the manifest as string
|
|
* @return transaction status code
|
|
*/
|
|
enum GNUNET_DB_QueryStatus
|
|
TEH_PG_get_extension_manifest (void *cls,
|
|
const char *extension_name,
|
|
char **manifest)
|
|
{
|
|
struct PostgresClosure *pg = cls;
|
|
struct GNUNET_PQ_QueryParam params[] = {
|
|
GNUNET_PQ_query_param_string (extension_name),
|
|
GNUNET_PQ_query_param_end
|
|
};
|
|
bool is_null;
|
|
struct GNUNET_PQ_ResultSpec rs[] = {
|
|
GNUNET_PQ_result_spec_allow_null (
|
|
GNUNET_PQ_result_spec_string ("manifest",
|
|
manifest),
|
|
&is_null),
|
|
GNUNET_PQ_result_spec_end
|
|
};
|
|
|
|
*manifest = NULL;
|
|
/* Used in #postgres_get_extension_manifest */
|
|
PREPARE (pg,
|
|
"get_extension_manifest",
|
|
"SELECT "
|
|
" manifest "
|
|
"FROM extensions"
|
|
" WHERE name=$1;");
|
|
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
|
|
"get_extension_manifest",
|
|
params,
|
|
rs);
|
|
}
|