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/*
This file is part of TALER
Copyright (C) 2014-2020 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 "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_signatures.h"
#include "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 hr HTTP response data
*/
static void
success_cb (
void *cls,
const struct TALER_EXCHANGE_HttpResponse *hr)
{
struct RevokeState *rs = cls;
rs->kh = NULL;
if (rs->expected_response_code != hr->http_status)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unexpected response code %u to command %s in %s:%u\n",
hr->http_status,
rs->is->commands[rs->is->ip].label,
__FILE__,
__LINE__);
json_dumpf (hr->reply,
stderr,
0);
TALER_TESTING_interpreter_fail (rs->is);
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;
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
{
TALER_exchange_offline_signkey_revoke_sign (exchange_pub,
&is->master_priv,
&master_sig);
}
rs->kh = TALER_EXCHANGE_management_revoke_signing_key (
is->ctx,
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;
}
}
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