/*
This file is part of TALER
(C) 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
*/
/**
* @file testing/testing_api_cmd_get_auditor.c
* @brief Command to get an auditor handle
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_json_lib.h"
#include
#include "taler_testing_lib.h"
/**
* State for a "get auditor" CMD.
*/
struct GetAuditorState
{
/**
* Private key of the auditor.
*/
struct TALER_AuditorPrivateKeyP auditor_priv;
/**
* Public key of the auditor.
*/
struct TALER_AuditorPublicKeyP auditor_pub;
/**
* Our interpreter state.
*/
struct TALER_TESTING_Interpreter *is;
/**
* Auditor handle used to get the configuration.
*/
struct TALER_AUDITOR_GetConfigHandle *auditor;
/**
* URL of the auditor.
*/
char *auditor_url;
/**
* Filename of the master private key of the auditor.
*/
char *priv_file;
};
/**
* Function called with information about the auditor.
*
* @param cls closure
* @param vr response data
*/
static void
version_cb (
void *cls,
const struct TALER_AUDITOR_ConfigResponse *vr)
{
struct GetAuditorState *gas = cls;
gas->auditor = NULL;
if (MHD_HTTP_OK != vr->hr.http_status)
{
TALER_TESTING_unexpected_status (gas->is,
vr->hr.http_status,
MHD_HTTP_OK);
return;
}
if ( (NULL != gas->priv_file) &&
(0 != GNUNET_memcmp (&gas->auditor_pub,
&vr->details.ok.vi.auditor_pub)) )
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (gas->is);
return;
}
TALER_TESTING_interpreter_next (gas->is);
}
/**
* Run the "get_auditor" command.
*
* @param cls closure.
* @param cmd the command currently being executed.
* @param is the interpreter state.
*/
static void
get_auditor_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct GetAuditorState *gas = cls;
(void) cmd;
if (NULL == gas->auditor_url)
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
if (NULL != gas->priv_file)
{
if (GNUNET_SYSERR ==
GNUNET_CRYPTO_eddsa_key_from_file (gas->priv_file,
GNUNET_YES,
&gas->auditor_priv.eddsa_priv))
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
GNUNET_CRYPTO_eddsa_key_get_public (&gas->auditor_priv.eddsa_priv,
&gas->auditor_pub.eddsa_pub);
}
gas->is = is;
gas->auditor
= TALER_AUDITOR_get_config (TALER_TESTING_interpreter_get_context (is),
gas->auditor_url,
&version_cb,
gas);
if (NULL == gas->auditor)
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
}
/**
* Cleanup the state.
*
* @param cls closure.
* @param cmd the command which is being cleaned up.
*/
static void
get_auditor_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct GetAuditorState *gas = cls;
if (NULL != gas->auditor)
{
GNUNET_break (0);
TALER_AUDITOR_get_config_cancel (gas->auditor);
gas->auditor = NULL;
}
GNUNET_free (gas->priv_file);
GNUNET_free (gas->auditor_url);
GNUNET_free (gas);
}
/**
* Offer internal data to a "get_auditor" CMD state to other commands.
*
* @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 enum GNUNET_GenericReturnValue
get_auditor_traits (void *cls,
const void **ret,
const char *trait,
unsigned int index)
{
struct GetAuditorState *gas = cls;
unsigned int off = (NULL == gas->priv_file) ? 2 : 0;
struct TALER_TESTING_Trait traits[] = {
TALER_TESTING_make_trait_auditor_priv (&gas->auditor_priv),
TALER_TESTING_make_trait_auditor_pub (&gas->auditor_pub),
TALER_TESTING_make_trait_auditor_url (gas->auditor_url),
TALER_TESTING_trait_end ()
};
return TALER_TESTING_get_trait (&traits[off],
ret,
trait,
index);
}
/**
* Get the base URL of the auditor from @a cfg.
*
* @param cfg configuration to evaluate
* @return base URL of the auditor according to @a cfg
*/
static char *
get_auditor_base_url (
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
char *auditor_url;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg,
"auditor",
"BASE_URL",
&auditor_url))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"auditor",
"BASE_URL");
return NULL;
}
return auditor_url;
}
/**
* Get the file name of the master private key file of the auditor from @a
* cfg.
*
* @param cfg configuration to evaluate
* @return base URL of the auditor according to @a cfg
*/
static char *
get_auditor_priv_file (
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
char *fn;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (cfg,
"auditor",
"AUDITOR_PRIV_FILE",
&fn))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"auditor",
"AUDITOR_PRIV_FILE");
return NULL;
}
return fn;
}
struct TALER_TESTING_Command
TALER_TESTING_cmd_get_auditor (
const char *label,
const struct GNUNET_CONFIGURATION_Handle *cfg,
bool load_auditor_keys)
{
struct GetAuditorState *gas;
gas = GNUNET_new (struct GetAuditorState);
gas->auditor_url = get_auditor_base_url (cfg);
if (load_auditor_keys)
gas->priv_file = get_auditor_priv_file (cfg);
{
struct TALER_TESTING_Command cmd = {
.cls = gas,
.label = label,
.run = &get_auditor_run,
.cleanup = &get_auditor_cleanup,
.traits = &get_auditor_traits,
.name = "auditor"
};
return cmd;
}
}