Line data    Source code

       1             : /*
       2             :   This file is part of TALER
       3             :   Copyright (C) 2014-2020 Taler Systems SA
       4             : 
       5             :   TALER is free software; you can redistribute it and/or modify
       6             :   it under the terms of the GNU General Public License as
       7             :   published by the Free Software Foundation; either version 3, or
       8             :   (at your 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, see
      17             :   <http://www.gnu.org/licenses/>
      18             : */
      19             : /**
      20             :  * @file testing/testing_api_cmd_revoke_denom_key.c
      21             :  * @brief Implement the revoke test command.
      22             :  * @author Christian Grothoff
      23             :  */
      24             : #include "platform.h"
      25             : #include "taler_json_lib.h"
      26             : #include <gnunet/gnunet_curl_lib.h>
      27             : #include "taler_signatures.h"
      28             : #include "taler_testing_lib.h"
      29             : 
      30             : 
      31             : /**
      32             :  * State for a "revoke" CMD.
      33             :  */
      34             : struct RevokeState
      35             : {
      36             :   /**
      37             :    * Expected HTTP status code.
      38             :    */
      39             :   unsigned int expected_response_code;
      40             : 
      41             :   /**
      42             :    * Command that offers a denomination to revoke.
      43             :    */
      44             :   const char *coin_reference;
      45             : 
      46             :   /**
      47             :    * The interpreter state.
      48             :    */
      49             :   struct TALER_TESTING_Interpreter *is;
      50             : 
      51             :   /**
      52             :    * Handle for the operation.
      53             :    */
      54             :   struct TALER_EXCHANGE_ManagementRevokeDenominationKeyHandle *kh;
      55             : 
      56             :   /**
      57             :    * Should we use a bogus signature?
      58             :    */
      59             :   bool bad_sig;
      60             : 
      61             : };
      62             : 
      63             : 
      64             : /**
      65             :  * Function called with information about the post revocation operation result.
      66             :  *
      67             :  * @param cls closure with a `struct RevokeState *`
      68             :  * @param rdr response data
      69             :  */
      70             : static void
      71           0 : success_cb (
      72             :   void *cls,
      73             :   const struct TALER_EXCHANGE_ManagementRevokeDenominationResponse *rdr)
      74             : {
      75           0 :   struct RevokeState *rs = cls;
      76           0 :   const struct TALER_EXCHANGE_HttpResponse *hr = &rdr->hr;
      77             : 
      78           0 :   rs->kh = NULL;
      79           0 :   if (rs->expected_response_code != hr->http_status)
      80             :   {
      81           0 :     TALER_TESTING_unexpected_status (rs->is,
      82             :                                      hr->http_status,
      83             :                                      rs->expected_response_code);
      84           0 :     return;
      85             :   }
      86           0 :   TALER_TESTING_interpreter_next (rs->is);
      87             : }
      88             : 
      89             : 
      90             : /**
      91             :  * Cleanup the state.
      92             :  *
      93             :  * @param cls closure, must be a `struct RevokeState`.
      94             :  * @param cmd the command which is being cleaned up.
      95             :  */
      96             : static void
      97           0 : revoke_cleanup (void *cls,
      98             :                 const struct TALER_TESTING_Command *cmd)
      99             : {
     100           0 :   struct RevokeState *rs = cls;
     101             : 
     102           0 :   if (NULL != rs->kh)
     103             :   {
     104           0 :     TALER_EXCHANGE_management_revoke_denomination_key_cancel (rs->kh);
     105           0 :     rs->kh = NULL;
     106             :   }
     107           0 :   GNUNET_free (rs);
     108           0 : }
     109             : 
     110             : 
     111             : /**
     112             :  * Offer internal data from a "revoke" CMD to other CMDs.
     113             :  *
     114             :  * @param cls closure
     115             :  * @param[out] ret result (could be anything)
     116             :  * @param trait name of the trait
     117             :  * @param index index number of the object to offer.
     118             :  * @return #GNUNET_OK on success
     119             :  */
     120             : static int
     121           0 : revoke_traits (void *cls,
     122             :                const void **ret,
     123             :                const char *trait,
     124             :                unsigned int index)
     125             : {
     126           0 :   struct RevokeState *rs = cls;
     127             :   struct TALER_TESTING_Trait traits[] = {
     128           0 :     TALER_TESTING_trait_end ()
     129             :   };
     130             : 
     131             :   (void) rs;
     132           0 :   return TALER_TESTING_get_trait (traits,
     133             :                                   ret,
     134             :                                   trait,
     135             :                                   index);
     136             : }
     137             : 
     138             : 
     139             : /**
     140             :  * Run the "revoke" command for a denomination key.
     141             :  *
     142             :  * @param cls closure.
     143             :  * @param cmd the command to execute.
     144             :  * @param is the interpreter state.
     145             :  */
     146             : static void
     147           0 : revoke_run (void *cls,
     148             :             const struct TALER_TESTING_Command *cmd,
     149             :             struct TALER_TESTING_Interpreter *is)
     150             : {
     151           0 :   struct RevokeState *rs = cls;
     152             :   const struct TALER_TESTING_Command *coin_cmd;
     153             :   const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
     154             :   struct TALER_MasterSignatureP master_sig;
     155             :   const char *exchange_url;
     156             : 
     157             :   {
     158             :     const struct TALER_TESTING_Command *exchange_cmd;
     159             : 
     160           0 :     exchange_cmd = TALER_TESTING_interpreter_get_command (is,
     161             :                                                           "exchange");
     162           0 :     if (NULL == exchange_cmd)
     163             :     {
     164           0 :       GNUNET_break (0);
     165           0 :       TALER_TESTING_interpreter_fail (is);
     166           0 :       return;
     167             :     }
     168           0 :     GNUNET_assert (GNUNET_OK ==
     169             :                    TALER_TESTING_get_trait_exchange_url (exchange_cmd,
     170             :                                                          &exchange_url));
     171             :   }
     172           0 :   rs->is = is;
     173             :   /* Get denom pub from trait */
     174           0 :   coin_cmd = TALER_TESTING_interpreter_lookup_command (is,
     175             :                                                        rs->coin_reference);
     176             : 
     177           0 :   if (NULL == coin_cmd)
     178             :   {
     179           0 :     GNUNET_break (0);
     180           0 :     TALER_TESTING_interpreter_fail (is);
     181           0 :     return;
     182             :   }
     183           0 :   GNUNET_assert (GNUNET_OK ==
     184             :                  TALER_TESTING_get_trait_denom_pub (coin_cmd,
     185             :                                                     0,
     186             :                                                     &denom_pub));
     187           0 :   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     188             :               "Trying to revoke denom '%s..'\n",
     189             :               TALER_B2S (&denom_pub->h_key));
     190           0 :   if (rs->bad_sig)
     191             :   {
     192           0 :     memset (&master_sig,
     193             :             42,
     194             :             sizeof (master_sig));
     195             :   }
     196             :   else
     197             :   {
     198             :     const struct TALER_TESTING_Command *exchange_cmd;
     199             :     const struct TALER_MasterPrivateKeyP *master_priv;
     200             : 
     201           0 :     exchange_cmd = TALER_TESTING_interpreter_get_command (is,
     202             :                                                           "exchange");
     203           0 :     if (NULL == exchange_cmd)
     204             :     {
     205           0 :       GNUNET_break (0);
     206           0 :       TALER_TESTING_interpreter_fail (is);
     207           0 :       return;
     208             :     }
     209           0 :     GNUNET_assert (GNUNET_OK ==
     210             :                    TALER_TESTING_get_trait_master_priv (exchange_cmd,
     211             :                                                         &master_priv));
     212           0 :     TALER_exchange_offline_denomination_revoke_sign (&denom_pub->h_key,
     213             :                                                      master_priv,
     214             :                                                      &master_sig);
     215             :   }
     216           0 :   rs->kh = TALER_EXCHANGE_management_revoke_denomination_key (
     217             :     TALER_TESTING_interpreter_get_context (is),
     218             :     exchange_url,
     219           0 :     &denom_pub->h_key,
     220             :     &master_sig,
     221             :     &success_cb,
     222             :     rs);
     223           0 :   if (NULL == rs->kh)
     224             :   {
     225           0 :     GNUNET_break (0);
     226           0 :     TALER_TESTING_interpreter_fail (is);
     227           0 :     return;
     228             :   }
     229             : }
     230             : 
     231             : 
     232             : struct TALER_TESTING_Command
     233           0 : TALER_TESTING_cmd_revoke_denom_key (
     234             :   const char *label,
     235             :   unsigned int expected_response_code,
     236             :   bool bad_sig,
     237             :   const char *denom_ref)
     238             : {
     239             :   struct RevokeState *rs;
     240             : 
     241           0 :   rs = GNUNET_new (struct RevokeState);
     242           0 :   rs->expected_response_code = expected_response_code;
     243           0 :   rs->coin_reference = denom_ref;
     244           0 :   rs->bad_sig = bad_sig;
     245             :   {
     246           0 :     struct TALER_TESTING_Command cmd = {
     247             :       .cls = rs,
     248             :       .label = label,
     249             :       .run = &revoke_run,
     250             :       .cleanup = &revoke_cleanup,
     251             :       .traits = &revoke_traits
     252             :     };
     253             : 
     254           0 :     return cmd;
     255             :   }
     256             : }