get_instance_auth.c (2565B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file src/backenddb/get_instance_auth.c 18 * @brief Implementation of the get_instance_auth function for Postgres 19 * @author Iván Ávalos 20 */ 21 #include "platform.h" 22 #include <taler/taler_pq_lib.h> 23 #include "merchant-database/get_instance_auth.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_MERCHANTDB_get_instance_auth ( 29 struct TALER_MERCHANTDB_PostgresContext *pg, 30 const char *instance_id, 31 struct TALER_MERCHANTDB_InstanceAuthSettings *ias) 32 { 33 struct GNUNET_PQ_QueryParam params[] = { 34 GNUNET_PQ_query_param_string (instance_id), 35 GNUNET_PQ_query_param_end 36 }; 37 bool no_hash; 38 bool no_salt; 39 struct GNUNET_PQ_ResultSpec rs[] = { 40 GNUNET_PQ_result_spec_allow_null ( 41 GNUNET_PQ_result_spec_auto_from_type ("auth_hash", 42 &ias->auth_hash), 43 &no_hash), 44 GNUNET_PQ_result_spec_allow_null ( 45 GNUNET_PQ_result_spec_auto_from_type ("auth_salt", 46 &ias->auth_salt), 47 &no_salt), 48 GNUNET_PQ_result_spec_end 49 }; 50 enum GNUNET_DB_QueryStatus qs; 51 52 PREPARE (pg, 53 "get_instance_auth", 54 "SELECT" 55 " auth_hash" 56 ",auth_salt" 57 " FROM merchant.merchant_instances" 58 " WHERE merchant_id=$1"); 59 memset (&ias->auth_hash, 60 0, 61 sizeof (ias->auth_hash)); 62 memset (&ias->auth_salt, 63 0, 64 sizeof (ias->auth_salt)); 65 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 66 "get_instance_auth", 67 params, 68 rs); 69 /* 'auth_hash' and 'auth_salt' are nullable; the all-zero value we 70 left them at is how the rest of the code spells "no password 71 configured" (see TMH_check_auth()). */ 72 return qs; 73 }