challenger

OAuth 2.0-based authentication service that validates user can receive messages at a certain address
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validate_solve_pin.c (3957B)

      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_solve_pin.c
     18  * @brief Implementation of the validate_solve_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_solve_pin.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 CHALLENGERDB_validate_solve_pin (struct CHALLENGERDB_PostgresContext *ctx,
     31                           const struct CHALLENGER_ValidationNonceP *nonce,
     32                           uint32_t new_pin,
     33                           bool *solved,
     34                           bool *exhausted,
     35                           bool *no_challenge,
     36                           char **state,
     37                           uint32_t *addr_left,
     38                           uint32_t *auth_attempts_left,
     39                           uint32_t *pin_transmissions_left,
     40                           char **client_redirect_uri)
     41 {
     42   struct GNUNET_PQ_QueryParam params[] = {
     43     GNUNET_PQ_query_param_auto_from_type (nonce),
     44     GNUNET_PQ_query_param_uint32 (&new_pin),
     45     GNUNET_PQ_query_param_end
     46   };
     47   bool not_found;
     48   struct GNUNET_PQ_ResultSpec rs[] = {
     49     GNUNET_PQ_result_spec_bool ("not_found",
     50                                 &not_found),
     51     GNUNET_PQ_result_spec_bool ("solved",
     52                                 solved),
     53     GNUNET_PQ_result_spec_bool ("exhausted",
     54                                 exhausted),
     55     GNUNET_PQ_result_spec_bool ("no_challenge",
     56                                 no_challenge),
     57     GNUNET_PQ_result_spec_uint32 ("address_attempts_left",
     58                                   addr_left),
     59     GNUNET_PQ_result_spec_uint32 ("auth_attempts_left",
     60                                   auth_attempts_left),
     61     GNUNET_PQ_result_spec_uint32 ("pin_transmissions_left",
     62                                   pin_transmissions_left),
     63     GNUNET_PQ_result_spec_allow_null (
     64       GNUNET_PQ_result_spec_string ("client_redirect_uri",
     65                                     client_redirect_uri),
     66       NULL),
     67     GNUNET_PQ_result_spec_allow_null (
     68       GNUNET_PQ_result_spec_string ("state",
     69                                     state),
     70       NULL),
     71     GNUNET_PQ_result_spec_end
     72   };
     73   enum GNUNET_DB_QueryStatus qs;
     74 
     75   *client_redirect_uri = NULL;
     76   PREPARE (ctx,
     77            "do_validate_solve_pin",
     78            "SELECT "
     79            " out_not_found AS not_found"
     80            ",out_solved AS solved"
     81            ",out_exhausted AS exhausted"
     82            ",out_no_challenge AS no_challenge"
     83            ",out_state AS state"
     84            ",out_address_attempts_left AS address_attempts_left"
     85            ",out_auth_attempts_left AS auth_attempts_left"
     86            ",out_pin_transmissions_left AS pin_transmissions_left"
     87            ",out_client_redirect_uri AS client_redirect_uri"
     88            " FROM challenger_do_validate_and_solve_pin"
     89            " ($1,$2);");
     90   qs = GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     91                                                  "do_validate_solve_pin",
     92                                                  params,
     93                                                  rs);
     94   if (qs <= 0)
     95     return qs;
     96   if (not_found)
     97     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     98   return qs;
     99 }