challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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validate_login_pin.c (2183B)

      1 /*
      2    This file is part of Challenger
      3    Copyright (C) 2023 Taler Systems SA
      4 
      5    Challenger 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    Challenger 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    Challenger; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 /**
     17  * @file src/challengerdb/validate_login_pin.c
     18  * @brief Implementation of the validate_login_pin function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "validate_login_pin.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 CHALLENGERDB_validate_login_pin (struct CHALLENGERDB_PostgresContext *ctx,
     31                           const struct CHALLENGER_ValidationNonceP *nonce,
     32                           struct GNUNET_TIME_Absolute tx_time,
     33                           uint32_t new_pin,
     34                           uint32_t auth_attempts_allowed)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_auto_from_type (nonce),
     38     GNUNET_PQ_query_param_absolute_time (&tx_time),
     39     GNUNET_PQ_query_param_uint32 (&new_pin),
     40     GNUNET_PQ_query_param_uint32 (&auth_attempts_allowed),
     41     GNUNET_PQ_query_param_end
     42   };
     43 
     44   PREPARE (ctx,
     45            "validate_login_set_pin",
     46            "UPDATE validations SET"
     47            "  last_tx_time=$2"
     48            " ,last_pin=$3"
     49            " ,auth_attempts_left=$4"
     50            " ,pin_attempts_left=pin_attempts_left - 1"
     51            " WHERE nonce=$1"
     52            "   AND pin_attempts_left > 0;");
     53   return GNUNET_PQ_eval_prepared_non_select (ctx->conn,
     54                                              "validate_login_set_pin",
     55                                              params);
     56 }