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authorMartin Schanzenbach <schanzen@gnunet.org>2023-10-18 19:35:11 +0200
committerMartin Schanzenbach <schanzen@gnunet.org>2023-10-18 19:35:11 +0200
commitddfee3f564bff9c5d5719af3132d7869b8783ec4 (patch)
treee6fd7801fe6808797f3418bf081ab68d5a5ec27b /src/nat/test_nat.c
parent852718c2473e41bc01ada0d53ad93c7da78e6ec8 (diff)
downloadgnunet-ddfee3f564bff9c5d5719af3132d7869b8783ec4.tar.gz
gnunet-ddfee3f564bff9c5d5719af3132d7869b8783ec4.zip
BUILD: more more components into new structure; ftbfs fix
Diffstat (limited to 'src/nat/test_nat.c')
-rw-r--r--src/nat/test_nat.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/src/nat/test_nat.c b/src/nat/test_nat.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2009, 2011 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
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 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * Testcase for port redirection and public IP address retrieval.
23 * This test never fails, because there need to be a NAT box set up for that.
24 * So we only get IP address and open the 2086 port using any NAT traversal
25 * method available, wait for 30s, close ports and return.
26 * Have a look at the logs and use NMAP to check that it works with your box.
27 *
28 * @file nat/test_nat.c
29 * @brief Testcase for NAT library
30 * @author Milan Bouchet-Valat
31 * @author Christian Grothoff
32 *
33 * TODO: actually use ARM to start resolver service to make DNS work!
34 */
35
36#include "platform.h"
37#include "gnunet_util_lib.h"
38#include "gnunet_program_lib.h"
39#include "gnunet_scheduler_lib.h"
40#include "gnunet_nat_lib.h"
41
42
43/**
44 * Time to wait before stopping NAT, in seconds
45 */
46#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
47
48
49/**
50 * Function called on each address that the NAT service
51 * believes to be valid for the transport.
52 */
53static void
54addr_callback (void *cls, int add_remove, const struct sockaddr *addr,
55 socklen_t addrlen)
56{
57 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
58 "Address changed: %s `%s' (%u bytes)\n",
59 add_remove == GNUNET_YES ? "added" : "removed",
60 GNUNET_a2s (addr,
61 addrlen),
62 (unsigned int) addrlen);
63}
64
65
66/**
67 * Function that terminates the test.
68 */
69static void
70stop (void *cls)
71{
72 struct GNUNET_NAT_Handle *nat = cls;
73
74 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
75 "Stopping NAT and quitting...\n");
76 GNUNET_NAT_unregister (nat);
77}
78
79
80struct addr_cls
81{
82 struct sockaddr *addr;
83 socklen_t addrlen;
84};
85
86
87/**
88 * Return the address of the default interface,
89 * or any interface with a valid address if the default is not valid
90 *
91 * @param cls the 'struct addr_cls'
92 * @param name name of the interface
93 * @param isDefault do we think this may be our default interface
94 * @param addr address of the interface
95 * @param addrlen number of bytes in @a addr
96 * @return #GNUNET_OK to continue iterating
97 */
98static int
99process_if (void *cls,
100 const char *name,
101 int isDefault,
102 const struct sockaddr *addr,
103 const struct sockaddr *broadcast_addr,
104 const struct sockaddr *netmask,
105 socklen_t addrlen)
106{
107 struct addr_cls *data = cls;
108
109 if (addr == NULL)
110 return GNUNET_OK;
111 GNUNET_free (data->addr);
112 data->addr = GNUNET_malloc (addrlen);
113 GNUNET_memcpy (data->addr, addr, addrlen);
114 data->addrlen = addrlen;
115 if (isDefault)
116 return GNUNET_SYSERR;
117 return GNUNET_OK;
118}
119
120
121/**
122 * Main function run with scheduler.
123 */
124static void
125run (void *cls,
126 char *const *args,
127 const char *cfgfile,
128 const struct GNUNET_CONFIGURATION_Handle *cfg)
129{
130 struct GNUNET_NAT_Handle *nat;
131 struct addr_cls data;
132 struct sockaddr *addr;
133
134 data.addr = NULL;
135 GNUNET_OS_network_interfaces_list (process_if, &data);
136 if (NULL == data.addr)
137 {
138 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
139 "Could not find a valid interface address!\n");
140 exit (77); /* marks test as skipped */
141 }
142 addr = data.addr;
143 GNUNET_assert (addr->sa_family == AF_INET || addr->sa_family == AF_INET6);
144 if (addr->sa_family == AF_INET)
145 ((struct sockaddr_in *) addr)->sin_port = htons (2086);
146 else
147 ((struct sockaddr_in6 *) addr)->sin6_port = htons (2086);
148
149 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
150 "Requesting NAT redirection from address %s...\n",
151 GNUNET_a2s (addr, data.addrlen));
152
153 nat = GNUNET_NAT_register (cfg, GNUNET_YES /* tcp */,
154 2086, 1, (const struct sockaddr **) &addr,
155 &data.addrlen, &addr_callback, NULL, NULL, NULL);
156 GNUNET_free (addr);
157 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &stop, nat);
158}
159
160
161int
162main (int argc, char *const argv[])
163{
164 struct GNUNET_GETOPT_CommandLineOption options[] = {
165 GNUNET_GETOPT_OPTION_END
166 };
167
168 char *const argv_prog[] = {
169 "test-nat",
170 "-c",
171 "test_nat_data.conf",
172 NULL
173 };
174
175 GNUNET_log_setup ("test-nat",
176 "WARNING",
177 NULL);
178 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
179 "Testing NAT library, timeout set to %s\n",
180 GNUNET_STRINGS_relative_time_to_string (TIMEOUT,
181 GNUNET_YES));
182 GNUNET_PROGRAM_run (3,
183 argv_prog,
184 "test-nat",
185 "nohelp",
186 options,
187 &run, NULL);
188 return 0;
189}
190
191
192/* end of test_nat.c */