get_otp_device.c (3354B)
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_otp_device.c 18 * @brief Implementation of the get_otp_device function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include <taler/taler_pq_lib.h> 23 #include "merchant-database/get_otp_device.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_MERCHANTDB_get_otp_device ( 29 struct TALER_MERCHANTDB_PostgresContext *pg, 30 const char *instance_id, 31 const char *otp_id, 32 struct TALER_MERCHANTDB_OtpDeviceDetails *td) 33 { 34 struct GNUNET_PQ_QueryParam params[] = { 35 GNUNET_PQ_query_param_string (otp_id), 36 GNUNET_PQ_query_param_end 37 }; 38 uint32_t pos32 = TALER_MCA_NONE; 39 struct GNUNET_PQ_ResultSpec rs[] = { 40 GNUNET_PQ_result_spec_uint64 ("otp_serial", 41 &td->otp_serial), 42 GNUNET_PQ_result_spec_string ("otp_description", 43 &td->otp_description), 44 GNUNET_PQ_result_spec_uint64 ("otp_ctr", 45 &td->otp_ctr), 46 GNUNET_PQ_result_spec_allow_null ( 47 GNUNET_PQ_result_spec_string ("otp_key", 48 &td->otp_key), 49 NULL), 50 GNUNET_PQ_result_spec_allow_null ( 51 GNUNET_PQ_result_spec_string ("otp_device_pub", 52 &td->otp_device_pub), 53 NULL), 54 GNUNET_PQ_result_spec_uint32 ("otp_algorithm", 55 &pos32), 56 GNUNET_PQ_result_spec_end 57 }; 58 enum GNUNET_DB_QueryStatus qs; 59 60 GNUNET_assert (NULL != pg->current_merchant_id); 61 GNUNET_assert (0 == strcmp (instance_id, 62 pg->current_merchant_id)); 63 TMH_PQ_prepare_anon (pg, 64 "SELECT" 65 " otp_description" 66 ",otp_serial" 67 ",otp_ctr" 68 ",otp_key" 69 ",otp_device_pub" 70 ",otp_algorithm" 71 " FROM merchant_otp_devices" 72 " WHERE otp_id=$1"); 73 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 74 "", 75 params, 76 rs); 77 if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs) 78 return qs; 79 switch (pos32) 80 { 81 case TALER_MCA_NONE: 82 case TALER_MCA_WITHOUT_PRICE: 83 case TALER_MCA_WITH_PRICE: 84 case TALER_MCA_ECDSA_CHALLENGE: 85 case TALER_MCA_EDDSA_CHALLENGE: 86 break; 87 default: 88 GNUNET_break (0); 89 GNUNET_PQ_cleanup_result (rs); 90 return GNUNET_DB_STATUS_HARD_ERROR; 91 } 92 td->otp_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos32; 93 return qs; 94 }