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/*
This file is part of GNUnet.
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet 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.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file gnunet-gns.c
* @brief command line tool to manipulate the local zone
* @author Christian Grothoff
*
* TODO:
* - everything
*/
#include "platform.h"
#include <gnunet_util_lib.h>
#include <gnunet_namestore_service.h>
/**
* Handle to the namestore.
*/
static struct GNUNET_NAMESTORE_Handle *ns;
/**
* Hash of the public key of our zone.
*/
static GNUNET_HashCode zone;
/**
* Private key for the our zone.
*/
static struct GNUNET_CRYPTO_RsaPrivateKey *zone_pkey;
/**
* Keyfile to manipulate.
*/
static char *keyfile;
/**
* Desired action is to add a record.
*/
static int add;
/**
* Desired action is to list records.
*/
static int list;
/**
* Desired action is to remove a record.
*/
static int del;
/**
* Name of the records to add/list/remove.
*/
static char *name;
/**
* Value of the record to add/remove.
*/
static char *value;
/**
* Type of the record to add/remove, NULL to remove all.
*/
static char *typestring;
/**
* Desired expiration time.
*/
static char *expirationstring;
/**
* Task run on shutdown. Cleans up everything.
*
* @param cls unused
* @param tc scheduler context
*/
static void
do_shutdown (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (NULL != ns)
{
GNUNET_NAMESTORE_disconnect (ns, GNUNET_NO);
ns = NULL;
}
if (NULL != zone_pkey)
{
GNUNET_CRYPTO_rsa_key_free (zone_pkey);
zone_pkey = NULL;
}
}
/**
* Main function that will be run.
*
* @param cls closure
* @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_CRYPTO_RsaPublicKeyBinaryEncoded pub;
if (NULL == keyfile)
{
fprintf (stderr,
_("Option `%s' not given, but I need a zone key file!\n"),
"z");
return;
}
zone_pkey = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
GNUNET_free (keyfile);
keyfile = NULL;
if (NULL == zone_pkey)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to read or create private zone key\n"));
return;
}
GNUNET_CRYPTO_rsa_key_get_public (zone_pkey,
&pub);
GNUNET_CRYPTO_hash (&pub, sizeof (pub), &zone);
ns = GNUNET_NAMESTORE_connect (cfg);
if (NULL == ns)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to connect to namestore\n"));
return;
}
GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
}
/**
* The main function for gnunet-gns.
*
* @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)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'a', "add", NULL,
gettext_noop ("add record"), 0,
&GNUNET_GETOPT_set_one, &add},
{'d', "delete", NULL,
gettext_noop ("delete record"), 0,
&GNUNET_GETOPT_set_one, &del},
{'D', "display", NULL,
gettext_noop ("display records"), 0,
&GNUNET_GETOPT_set_one, &list},
{'e', "expiration", "TIME",
gettext_noop ("expiration time to use (for adding only)"), 1,
&GNUNET_GETOPT_set_string, &expirationstring},
{'n', "name", "NAME",
gettext_noop ("name of the record to add/delete/display"), 1,
&GNUNET_GETOPT_set_string, &name},
{'t', "type", "TYPE",
gettext_noop ("type of the record to add/delete/display"), 1,
&GNUNET_GETOPT_set_string, &typestring},
{'V', "value", "VALUE",
gettext_noop ("value of the record to add/delete"), 1,
&GNUNET_GETOPT_set_string, &value},
{'z', "zonekey", "FILENAME",
gettext_noop ("filename with the zone key"), 1,
&GNUNET_GETOPT_set_string, &keyfile},
GNUNET_GETOPT_OPTION_END
};
int ret;
GNUNET_log_setup ("gnunet-gns", "WARNING", NULL);
ret =
(GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "gnunet-gns",
_("GNUnet GNS zone manipulation tool"),
options,
&run, NULL)) ? 0 : 1;
return ret;
}
/* end of gnunet-gns.c */
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