This file is part of GNUnet.
Copyright (C) 2015, 2016 GNUnet e.V.
- 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 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
- General Public License for more details.
+ 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/>.
- 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
/**
* Should we actually bind to #bind_addr and receive and process STUN requests?
*/
-static unsigned int do_stun;
+static int do_stun;
/**
* Handle to NAT operation.
* a function to call whenever our set of 'valid' addresses changes.
*
* @param cls closure, NULL
+ * @param app_ctx[in,out] location where the app can store stuff
+ * on add and retrieve it on remove
* @param add_remove #GNUNET_YES to add a new public IP address,
* #GNUNET_NO to remove a previous (now invalid) one
* @param ac address class the address belongs to
*/
static void
address_cb (void *cls,
+ void **app_ctx,
int add_remove,
enum GNUNET_NAT_AddressClass ac,
const struct sockaddr *addr,
socklen_t addrlen)
{
+ (void) cls;
+ (void) app_ctx;
+
fprintf (stdout,
"%s %s (%d)\n",
add_remove ? "+" : "-",
global_ret = 1;
return;
}
- local_len = 0; /* make compilers happy */
+ local_len = 0;
local_sa = NULL;
+ remote_len = 0;
+ remote_sa = NULL;
if (NULL != local_addr)
{
local_len = (socklen_t) GNUNET_STRINGS_parse_socket_addr (local_addr,
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Invalid socket address `%s'\n",
local_addr);
- global_ret = 1;
- return;
+ goto fail_and_shutdown;
}
}
- remote_len = 0;
-
if (NULL != remote_addr)
{
remote_len = GNUNET_STRINGS_parse_socket_addr (remote_addr,
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Invalid socket address `%s'\n",
remote_addr);
- global_ret = 1;
- return;
+ goto fail_and_shutdown;
}
}
{
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Use of `-W` only effective in combination with `-i`\n");
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
if (NULL != remote_addr)
{
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Require IPv4 local address to initiate connection reversal\n");
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
if (sizeof (struct sockaddr_in) != remote_len)
{
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Require IPv4 reversal target address\n");
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
GNUNET_assert (AF_INET == local_sa->sa_family);
GNUNET_assert (AF_INET == remote_sa->sa_family);
{
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"Require local address to support STUN requests\n");
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
if (IPPROTO_UDP != proto)
{
GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
"STUN only supported over UDP\n");
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
ls = GNUNET_NETWORK_socket_create (af,
SOCK_DGRAM,
IPPROTO_UDP);
+ if (NULL == ls)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
+ "Failed to create socket\n");
+ goto fail_and_shutdown;
+ }
if (GNUNET_OK !=
- GNUNET_NETWORK_socket_bind (ls,
- local_sa,
- local_len))
+ GNUNET_NETWORK_socket_bind (ls,
+ local_sa,
+ local_len))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to bind to %s: %s\n",
GNUNET_a2s (local_sa,
local_len),
STRERROR (errno));
- global_ret = 1;
- GNUNET_SCHEDULER_shutdown ();
- return;
+ goto fail_and_shutdown;
}
rtask = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
ls,
&stun_read_task,
NULL);
}
-
+ GNUNET_free_non_null (remote_sa);
+ GNUNET_free_non_null (local_sa);
test_finished ();
+ return;
+ fail_and_shutdown:
+ global_ret = 1;
+ GNUNET_SCHEDULER_shutdown ();
+ GNUNET_free_non_null (remote_sa);
+ GNUNET_free_non_null (local_sa);
}
main (int argc,
char *const argv[])
{
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'i', "in", "ADDRESS",
- gettext_noop ("which IP and port are we locally using to bind/listen to"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &local_addr },
- {'r', "remote", "ADDRESS",
- gettext_noop ("which remote IP and port should be asked for connection reversal"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &remote_addr },
- {'S', "section", NULL,
- gettext_noop ("name of configuration section to find additional options, such as manual host punching data"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, §ion_name },
- {'s', "stun", NULL,
- gettext_noop ("enable STUN processing"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &do_stun },
- {'t', "tcp", NULL,
- gettext_noop ("use TCP"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &use_tcp },
- {'u', "udp", NULL,
- gettext_noop ("use UDP"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &use_udp },
- {'W', "watch", NULL,
- gettext_noop ("watch for connection reversal requests"),
- GNUNET_NO, &GNUNET_GETOPT_set_one, &listen_reversal },
- GNUNET_GETOPT_OPTION_END
+ struct GNUNET_GETOPT_CommandLineOption options[] = {
+
+ GNUNET_GETOPT_option_string ('i',
+ "in",
+ "ADDRESS",
+ gettext_noop ("which IP and port are we locally using to bind/listen to"),
+ &local_addr),
+
+ GNUNET_GETOPT_option_string ('r',
+ "remote",
+ "ADDRESS",
+ gettext_noop ("which remote IP and port should be asked for connection reversal"),
+ &remote_addr),
+
+ GNUNET_GETOPT_option_string ('S',
+ "section",
+ NULL,
+ gettext_noop ("name of configuration section to find additional options, such as manual host punching data"),
+ §ion_name),
+
+ GNUNET_GETOPT_option_flag ('s',
+ "stun",
+ gettext_noop ("enable STUN processing"),
+ &do_stun),
+
+ GNUNET_GETOPT_option_flag ('t',
+ "tcp",
+ gettext_noop ("use TCP"),
+ &use_tcp),
+
+ GNUNET_GETOPT_option_flag ('u',
+ "udp",
+ gettext_noop ("use UDP"),
+ &use_udp),
+
+ GNUNET_GETOPT_option_flag ('W',
+ "watch",
+ gettext_noop ("watch for connection reversal requests"),
+ &listen_reversal),
+ GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK !=
projects / oweals / gnunet.git / blobdiff