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/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2008-2009 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2007-2009 Nokia Corporation. All rights reserved.
* Contact: Rémi Denis-Courmont
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
* Rémi Denis-Courmont, Nokia
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef _WIN32
# include <winsock2.h>
#else
# include <sys/socket.h>
# include <netdb.h>
#endif
#include <sys/types.h>
#include "stun/stunagent.h"
#include "stun/usages/bind.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static int ai_flags = 0;
static void
printaddr (const char *str, const struct sockaddr *addr, socklen_t addrlen)
{
char hostbuf[NI_MAXHOST], servbuf[NI_MAXSERV];
int val = getnameinfo (addr, addrlen, hostbuf, sizeof (hostbuf),
servbuf, sizeof (servbuf),
NI_NUMERICHOST | NI_NUMERICSERV);
if (val)
printf ("%s: %s\n", str, gai_strerror (val));
else
printf ("%s: %s port %s\n", str, hostbuf, servbuf);
}
static int run (int family, const char *hostname, const char *service)
{
struct addrinfo hints, *res;
const struct addrinfo *ptr;
int ret = -1;
memset (&hints, 0, sizeof (hints));
hints.ai_family = family;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = ai_flags;
if (service == NULL)
service = "3478";
ret = getaddrinfo (hostname, service, &hints, &res);
if (ret)
{
fprintf (stderr, "%s (port %s): %s\n", hostname, service,
gai_strerror (ret));
return -1;
}
for (ptr = res; ptr != NULL; ptr = ptr->ai_next)
{
union {
struct sockaddr_storage storage;
struct sockaddr addr;
} addr;
socklen_t addrlen = sizeof (addr);
StunUsageBindReturn val;
printaddr ("Server address", ptr->ai_addr, ptr->ai_addrlen);
val = stun_usage_bind_run (ptr->ai_addr, ptr->ai_addrlen, &addr.storage,
&addrlen);
if (val)
fprintf (stderr, "%d\n", val);
else
{
printaddr ("Mapped address", &addr.addr, addrlen);
ret = 0;
}
}
freeaddrinfo (res);
return ret;
}
int main (int argc, char *argv[])
{
const char *server = NULL, *port = NULL;
int family = AF_UNSPEC;
int i;
for (i = 1; i < argc; ++i)
{
const char *arg = argv[i];
if (arg[0] != '-')
break;
if (strcmp (arg, "--ipv4") == 0 || strcmp (arg, "-4") == 0)
{
family = AF_INET;
}
else if (strcmp (arg, "--ipv6") == 0 || strcmp (arg, "-6") == 0)
{
family = AF_INET6;
}
else if (strcmp (arg, "--help") == 0 || strcmp (arg, "-h") == 0)
{
printf ("Usage: %s [-4|-6] <server> [port number]\n"
"Performs STUN Binding Discovery\n"
"\n"
" -4, --ipv4 Force IP version 4\n"
" -6, --ipv6 Force IP version 6\n"
" -n, --numeric Server in numeric form\n"
"\n", argv[0]);
return 0;
}
else if (strcmp (arg, "--numeric") == 0 || strcmp (arg, "-n") == 0)
{
ai_flags |= AI_NUMERICHOST;
}
else if (strcmp (arg, "--version") == 0 || strcmp (arg, "-V") == 0)
{
printf ("stunbcd: STUN Binding Discovery client (%s v%s)\n",
PACKAGE, VERSION);
return 0;
} else {
fprintf (stderr, "Unexpected command line argument '%s'", arg);
return 2;
}
}
if (i < argc)
server = argv[i++];
if (i < argc)
port = argv[i++];
if (i < argc)
{
fprintf (stderr, "%s: extra parameter `%s'\n", argv[0], argv[i]);
return 2;
}
return run (family, server, port) ? 1 : 0;
}
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