2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file nat/test_nat.c
23 * @brief Testcase for NAT library
24 * @author Milan Bouchet-Valat
28 * Testcase for port redirection and public IP address retrieval.
29 * This test never fails, because there need to be a NAT box set up for that.
30 * So we only get IP address and open the 2086 port using any UPnP and NAT-PMP
31 * routers found, wait for 30s, close ports and return.
32 * Have a look at the logs and use NMAP to check that it works with your box.
37 #include "gnunet_common.h"
38 #include "gnunet_util_lib.h"
39 #include "gnunet_program_lib.h"
40 #include "gnunet_scheduler_lib.h"
41 #include "gnunet_nat_lib.h"
43 /* Time to wait before stopping NAT, in seconds */
48 const struct sockaddr *addr;
53 addr_callback (void *cls, int add_remove,
54 const struct sockaddr *addr, socklen_t addrlen)
56 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "External address changed: %s %s\n",
57 add_remove == GNUNET_YES ? "added" : "removed",
58 GNUNET_a2s (addr, addrlen));
62 stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
64 struct GNUNET_NAT_Handle *nat = cls;
66 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stopping NAT and quitting...\n");
67 GNUNET_NAT_unregister (nat);
70 /* Return the address of the default interface,
71 * or any interface with a valid address if the default is not valid */
73 process_if (void *cls,
75 int isDefault, const struct sockaddr *addr, socklen_t addrlen)
77 struct addr_cls *data = cls;
82 data->addrlen = addrlen;
85 if (strcmp (name, "eth1") == 0 && addr->sa_family == AF_INET)
91 if (isDefault && addr)
100 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
102 struct GNUNET_NAT_Handle *nat;
103 struct addr_cls data;
104 struct sockaddr *addr;
106 GNUNET_log_setup ("test-nat", "DEBUG", NULL);
109 GNUNET_OS_network_interfaces_list (process_if, &data);
112 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
113 "Could not find a valid interface address!\n");
114 exit (GNUNET_SYSERR);
117 addr = GNUNET_malloc (data.addrlen);
118 memcpy (addr, data.addr, data.addrlen);
120 GNUNET_assert (addr->sa_family == AF_INET || addr->sa_family == AF_INET6);
121 if (addr->sa_family == AF_INET)
122 ((struct sockaddr_in *) addr)->sin_port = htons (2086);
124 ((struct sockaddr_in6 *) addr)->sin6_port = htons (2086);
126 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
127 "Requesting NAT redirection from address %s...\n",
128 GNUNET_a2s (addr, data.addrlen));
130 nat = GNUNET_NAT_register (addr, data.addrlen, addr_callback, NULL);
133 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
134 (GNUNET_TIME_UNIT_SECONDS, TIMEOUT), stop,
139 main (int argc, char *const argv[])
141 struct GNUNET_GETOPT_CommandLineOption options[] = {
142 GNUNET_GETOPT_OPTION_END
145 GNUNET_log_setup ("test-nat", "DEBUG", NULL);
147 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
148 "Testing NAT library, timeout set to %d seconds\n", TIMEOUT);
150 GNUNET_PROGRAM_run (argc, argv, "test-nat", "nohelp", options, &run, NULL);
155 /* end of test_nat.c */