exchange

Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_offline_sign_keys.c (4373B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2020 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it
      6   under the terms of the GNU General Public License as published
      7   by the Free Software Foundation; either version 3, or (at your
      8   option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful, but
     11   WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 
     20 /**
     21  * @file testing/testing_api_cmd_offline_sign_keys.c
     22  * @brief run the taler-exchange-offline command to download, sign and upload keys
     23  * @author Marcello Stanisci
     24  * @author Christian Grothoff
     25  */
     26 #include "taler/platform.h"
     27 #include "taler/taler_json_lib.h"
     28 #include <gnunet/gnunet_curl_lib.h>
     29 #include "taler/taler_signatures.h"
     30 #include "taler/taler_testing_lib.h"
     31 
     32 
     33 /**
     34  * State for a "offlinesign" CMD.
     35  */
     36 struct OfflineSignState
     37 {
     38 
     39   /**
     40    * Process for the "offlinesign" command.
     41    */
     42   struct GNUNET_Process *offlinesign_proc;
     43 
     44   /**
     45    * Configuration file used by the command.
     46    */
     47   const char *config_filename;
     48 
     49 };
     50 
     51 
     52 /**
     53  * Run the command; calls the `taler-exchange-offline` program.
     54  *
     55  * @param cls closure.
     56  * @param cmd the commaind being run.
     57  * @param is interpreter state.
     58  */
     59 static void
     60 offlinesign_run (void *cls,
     61                  const struct TALER_TESTING_Command *cmd,
     62                  struct TALER_TESTING_Interpreter *is)
     63 {
     64   struct OfflineSignState *ks = cls;
     65 
     66   ks->offlinesign_proc = GNUNET_process_create (GNUNET_OS_INHERIT_STD_ERR);
     67   if (GNUNET_OK !=
     68       GNUNET_process_run_command_va (
     69         ks->offlinesign_proc,
     70         "taler-exchange-offline",
     71         "taler-exchange-offline",
     72         "-c", ks->config_filename,
     73         "-L", "INFO",
     74         "download",
     75         "sign",
     76         "upload",
     77         NULL))
     78   {
     79     GNUNET_break (0);
     80     GNUNET_process_destroy (ks->offlinesign_proc);
     81     ks->offlinesign_proc = NULL;
     82     TALER_TESTING_interpreter_fail (is);
     83     return;
     84   }
     85   TALER_TESTING_wait_for_sigchld (is);
     86 }
     87 
     88 
     89 /**
     90  * Free the state of a "offlinesign" CMD, and possibly kills its
     91  * process if it did not terminate correctly.
     92  *
     93  * @param cls closure.
     94  * @param cmd the command being freed.
     95  */
     96 static void
     97 offlinesign_cleanup (void *cls,
     98                      const struct TALER_TESTING_Command *cmd)
     99 {
    100   struct OfflineSignState *ks = cls;
    101 
    102   (void) cmd;
    103   if (NULL != ks->offlinesign_proc)
    104   {
    105     GNUNET_break (GNUNET_OK ==
    106                   GNUNET_process_kill (ks->offlinesign_proc,
    107                                        SIGKILL));
    108     GNUNET_process_wait (ks->offlinesign_proc,
    109                          true,
    110                          NULL,
    111                          NULL);
    112     GNUNET_process_destroy (ks->offlinesign_proc);
    113     ks->offlinesign_proc = NULL;
    114   }
    115   GNUNET_free (ks);
    116 }
    117 
    118 
    119 /**
    120  * Offer "offlinesign" CMD internal data to other commands.
    121  *
    122  * @param cls closure.
    123  * @param[out] ret result
    124  * @param trait name of the trait.
    125  * @param index index number of the object to offer.
    126  * @return #GNUNET_OK on success.
    127  */
    128 static enum GNUNET_GenericReturnValue
    129 offlinesign_traits (void *cls,
    130                     const void **ret,
    131                     const char *trait,
    132                     unsigned int index)
    133 {
    134   struct OfflineSignState *ks = cls;
    135   struct TALER_TESTING_Trait traits[] = {
    136     TALER_TESTING_make_trait_process (&ks->offlinesign_proc),
    137     TALER_TESTING_trait_end ()
    138   };
    139 
    140   return TALER_TESTING_get_trait (traits,
    141                                   ret,
    142                                   trait,
    143                                   index);
    144 }
    145 
    146 
    147 struct TALER_TESTING_Command
    148 TALER_TESTING_cmd_exec_offline_sign_keys (const char *label,
    149                                           const char *config_filename)
    150 {
    151   struct OfflineSignState *ks;
    152 
    153   ks = GNUNET_new (struct OfflineSignState);
    154   ks->config_filename = config_filename;
    155   {
    156     struct TALER_TESTING_Command cmd = {
    157       .cls = ks,
    158       .label = label,
    159       .run = &offlinesign_run,
    160       .cleanup = &offlinesign_cleanup,
    161       .traits = &offlinesign_traits
    162     };
    163 
    164     return cmd;
    165   }
    166 }
    167 
    168 
    169 /* end of testing_api_cmd_exec_offline_sign_keys.c */