sync

Backup service to store encrypted wallet databases (experimental)
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syncdb_store_backup_TR.c (3326B)


      1 /*
      2   This file is part of TALER
      3   (C) 2014--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 Lesser 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 syncdb/syncdb_store_backup_TR.c
     18  * @brief store first backup
     19  * @author Christian Grothoff
     20  */
     21 #include "syncdb_pg.h"
     22 
     23 
     24 enum SYNC_DB_QueryStatus
     25 SYNCDB_store_backup_TR (
     26   const struct SYNC_AccountPublicKeyP *account_pub,
     27   const struct SYNC_AccountSignatureP *account_sig,
     28   const struct GNUNET_HashCode *backup_hash,
     29   size_t backup_size,
     30   const void *backup)
     31 {
     32   uint32_t bs = (uint32_t) backup_size;
     33   bool payment_required;
     34   bool old_backup_mismatch;
     35   bool no_change;
     36   bool inserted;
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_auto_from_type (account_pub),
     39     GNUNET_PQ_query_param_auto_from_type (account_sig),
     40     GNUNET_PQ_query_param_auto_from_type (backup_hash),
     41     GNUNET_PQ_query_param_uint32 (&bs),
     42     GNUNET_PQ_query_param_fixed_size (backup,
     43                                       backup_size),
     44     GNUNET_PQ_query_param_end
     45   };
     46   struct GNUNET_PQ_ResultSpec rs[] = {
     47     GNUNET_PQ_result_spec_bool ("out_payment_required",
     48                                 &payment_required),
     49     GNUNET_PQ_result_spec_bool ("out_old_backup_mismatch",
     50                                 &old_backup_mismatch),
     51     GNUNET_PQ_result_spec_bool ("out_no_change",
     52                                 &no_change),
     53     GNUNET_PQ_result_spec_bool ("out_inserted",
     54                                 &inserted),
     55     GNUNET_PQ_result_spec_end
     56   };
     57   enum GNUNET_DB_QueryStatus qs;
     58 
     59   SYNCDB_preflight ();
     60   PREPARE ("do_store_backup",
     61            "SELECT"
     62            " out_payment_required"
     63            ",out_old_backup_mismatch"
     64            ",out_no_change"
     65            ",out_inserted"
     66            " FROM sync_do_store_backup"
     67            " ($1,$2,$3,$4,$5);");
     68   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     69                                                  "do_store_backup",
     70                                                  params,
     71                                                  rs);
     72   switch (qs)
     73   {
     74   case GNUNET_DB_STATUS_HARD_ERROR:
     75     return SYNC_DB_HARD_ERROR;
     76   case GNUNET_DB_STATUS_SOFT_ERROR:
     77     GNUNET_break (0);
     78     return SYNC_DB_SOFT_ERROR;
     79   case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
     80     GNUNET_break (0);
     81     return SYNC_DB_HARD_ERROR;
     82   case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     83     if (inserted)
     84       return SYNC_DB_ONE_RESULT;
     85     if (payment_required)
     86       return SYNC_DB_PAYMENT_REQUIRED;
     87     if (old_backup_mismatch)
     88       return SYNC_DB_OLD_BACKUP_MISMATCH;
     89     if (no_change)
     90       return SYNC_DB_NO_RESULTS;
     91     GNUNET_break (0);
     92     return SYNC_DB_HARD_ERROR;
     93   default:
     94     GNUNET_break (0);
     95     return SYNC_DB_HARD_ERROR;
     96   }
     97 }
     98 
     99 
    100 /* end of syncdb_store_backup_TR.c */