exchange

testing_api_cmd_revoke_sign_key.c (6605B)

---

 /*
   This file is part of TALER
   Copyright (C) 2014-2023 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 3, or
   (at your option) any later version.
 
   TALER is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
 /**
  * @file testing/testing_api_cmd_revoke_sign_key.c
  * @brief Implement the revoke test command.
  * @author Christian Grothoff
  */
 #include "taler/platform.h"
 #include "taler/taler_json_lib.h"
 #include <gnunet/gnunet_curl_lib.h>
 #include "taler/taler_signatures.h"
 #include "taler/taler_testing_lib.h"
 
 
 /**
  * State for a "revoke" CMD.
  */
 struct RevokeState
 {
   /**
    * Expected HTTP status code.
    */
   unsigned int expected_response_code;
 
   /**
    * Command that offers a signination to revoke.
    */
   const char *coin_reference;
 
   /**
    * The interpreter state.
    */
   struct TALER_TESTING_Interpreter *is;
 
   /**
    * Handle for the operation.
    */
   struct TALER_EXCHANGE_ManagementRevokeSigningKeyHandle *kh;
 
   /**
    * Should we use a bogus signature?
    */
   bool bad_sig;
 
 };
 
 
 /**
  * Function called with information about the post revocation operation result.
  *
  * @param cls closure with a `struct RevokeState *`
  * @param rsr response data
  */
 static void
 success_cb (
   void *cls,
   const struct TALER_EXCHANGE_ManagementRevokeSigningKeyResponse *rsr)
 {
   struct RevokeState *rs = cls;
   const struct TALER_EXCHANGE_HttpResponse *hr = &rsr->hr;
 
   rs->kh = NULL;
   if (rs->expected_response_code != hr->http_status)
   {
     TALER_TESTING_unexpected_status (rs->is,
                                      hr->http_status,
                                      rs->expected_response_code);
     return;
   }
   TALER_TESTING_interpreter_next (rs->is);
 }
 
 
 /**
  * Cleanup the state.
  *
  * @param cls closure, must be a `struct RevokeState`.
  * @param cmd the command which is being cleaned up.
  */
 static void
 revoke_cleanup (void *cls,
                 const struct TALER_TESTING_Command *cmd)
 {
   struct RevokeState *rs = cls;
 
   if (NULL != rs->kh)
   {
     TALER_EXCHANGE_management_revoke_signing_key_cancel (rs->kh);
     rs->kh = NULL;
   }
   GNUNET_free (rs);
 }
 
 
 /**
  * Offer internal data from a "revoke" CMD to other CMDs.
  *
  * @param cls closure
  * @param[out] ret result (could be anything)
  * @param trait name of the trait
  * @param index index number of the object to offer.
  * @return #GNUNET_OK on success
  */
 static int
 revoke_traits (void *cls,
                const void **ret,
                const char *trait,
                unsigned int index)
 {
   struct RevokeState *rs = cls;
   struct TALER_TESTING_Trait traits[] = {
     TALER_TESTING_trait_end ()
   };
 
   (void) rs;
   return TALER_TESTING_get_trait (traits,
                                   ret,
                                   trait,
                                   index);
 }
 
 
 /**
  * Run the "revoke" command for a signing key.
  *
  * @param cls closure.
  * @param cmd the command to execute.
  * @param is the interpreter state.
  */
 static void
 revoke_run (void *cls,
             const struct TALER_TESTING_Command *cmd,
             struct TALER_TESTING_Interpreter *is)
 {
   struct RevokeState *rs = cls;
   const struct TALER_TESTING_Command *coin_cmd;
   const struct TALER_ExchangePublicKeyP *exchange_pub;
   struct TALER_MasterSignatureP master_sig;
   const char *exchange_url;
 
   {
     const struct TALER_TESTING_Command *exchange_cmd;
 
     exchange_cmd = TALER_TESTING_interpreter_get_command (is,
                                                           "exchange");
     if (NULL == exchange_cmd)
     {
       GNUNET_break (0);
       TALER_TESTING_interpreter_fail (is);
       return;
     }
     GNUNET_assert (GNUNET_OK ==
                    TALER_TESTING_get_trait_exchange_url (exchange_cmd,
                                                          &exchange_url));
   }
   rs->is = is;
   /* Get sign pub from trait */
   coin_cmd = TALER_TESTING_interpreter_lookup_command (is,
                                                        rs->coin_reference);
 
   if (NULL == coin_cmd)
   {
     GNUNET_break (0);
     TALER_TESTING_interpreter_fail (is);
     return;
   }
   GNUNET_assert (GNUNET_OK ==
                  TALER_TESTING_get_trait_exchange_pub (coin_cmd,
                                                        0,
                                                        &exchange_pub));
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Trying to revoke sign '%s..'\n",
               TALER_B2S (exchange_pub));
   if (rs->bad_sig)
   {
     memset (&master_sig,
             42,
             sizeof (master_sig));
   }
   else
   {
     const struct TALER_TESTING_Command *exchange_cmd;
     const struct TALER_MasterPrivateKeyP *master_priv;
 
     exchange_cmd = TALER_TESTING_interpreter_get_command (is,
                                                           "exchange");
     if (NULL == exchange_cmd)
     {
       GNUNET_break (0);
       TALER_TESTING_interpreter_fail (is);
       return;
     }
     GNUNET_assert (GNUNET_OK ==
                    TALER_TESTING_get_trait_master_priv (exchange_cmd,
                                                         &master_priv));
     TALER_exchange_offline_signkey_revoke_sign (exchange_pub,
                                                 master_priv,
                                                 &master_sig);
   }
   rs->kh = TALER_EXCHANGE_management_revoke_signing_key (
     TALER_TESTING_interpreter_get_context (is),
     exchange_url,
     exchange_pub,
     &master_sig,
     &success_cb,
     rs);
   if (NULL == rs->kh)
   {
     GNUNET_break (0);
     TALER_TESTING_interpreter_fail (is);
     return;
   }
 }
 
 
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_revoke_sign_key (
   const char *label,
   unsigned int expected_response_code,
   bool bad_sig,
   const char *sign_ref)
 {
   struct RevokeState *rs;
 
   rs = GNUNET_new (struct RevokeState);
   rs->expected_response_code = expected_response_code;
   rs->coin_reference = sign_ref;
   rs->bad_sig = bad_sig;
   {
     struct TALER_TESTING_Command cmd = {
       .cls = rs,
       .label = label,
       .run = &revoke_run,
       .cleanup = &revoke_cleanup,
       .traits = &revoke_traits
     };
 
     return cmd;
   }
 }