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/*
This file is part of GNUnet.
Copyright (C) 2012-2021 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file util/gnunet-config.c
* @brief tool to access and manipulate GNUnet configuration files
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
/**
* Backend to check if the respective plugin is
* loadable. NULL if no check is to be performed.
* The value is the "basename" of the plugin to load.
*/
static char *backend_check;
/**
* Main task to run to perform operations typical for
* gnunet-config as per the configuration settings
* given in @a cls.
*
* @param cls closure with the `struct GNUNET_CONFIGURATION_ConfigSettings`
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving,
* can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct GNUNET_CONFIGURATION_ConfigSettings *cs = cls;
if (NULL != backend_check)
{
char *name;
GNUNET_asprintf (&name,
"libgnunet_plugin_%s",
backend_check);
cs->global_ret = (GNUNET_OK ==
GNUNET_PLUGIN_test (name)) ? 0 : 77;
GNUNET_free (name);
return;
}
GNUNET_CONFIGURATION_config_tool_run (cs,
args,
cfgfile,
cfg);
}
/**
* Program to manipulate configuration files.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc,
char *const *argv)
{
struct GNUNET_CONFIGURATION_ConfigSettings cs = {
.api_version = GNUNET_UTIL_VERSION,
.global_ret = EXIT_SUCCESS
};
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_exclusive (
GNUNET_GETOPT_option_string (
'b',
"supported-backend",
"BACKEND",
gettext_noop (
"test if the current installation supports the specified BACKEND"),
&backend_check)),
GNUNET_CONFIGURATION_CONFIG_OPTIONS (&cs),
GNUNET_GETOPT_OPTION_END
};
enum GNUNET_GenericReturnValue ret;
if (GNUNET_OK !=
GNUNET_STRINGS_get_utf8_args (argc, argv,
&argc, &argv))
return EXIT_FAILURE;
ret =
GNUNET_PROGRAM_run (argc,
argv,
"gnunet-config [OPTIONS]",
gettext_noop ("Manipulate GNUnet configuration files"),
options,
&run,
&cs);
GNUNET_free_nz ((void *) argv);
GNUNET_CONFIGURATION_config_settings_free (&cs);
if (GNUNET_NO == ret)
return 0;
if (GNUNET_SYSERR == ret)
return EXIT_INVALIDARGUMENT;
return cs.global_ret;
}
/* end of gnunet-config.c */
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