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-rw-r--r--src/util/test_resolver_api.c377
1 files changed, 0 insertions, 377 deletions
diff --git a/src/util/test_resolver_api.c b/src/util/test_resolver_api.c
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index eefb20890..000000000
--- a/src/util/test_resolver_api.c
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@@ -1,377 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2009 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 * @file resolver/test_resolver_api.c
22 * @brief testcase for resolver_api.c
23 */
24#include "platform.h"
25#include "gnunet_util_lib.h"
26#include "gnunet_resolver_service.h"
27#include "resolver.h"
28
29
30static int disable_rootserver_check;
31
32
33/**
34 * Using DNS root servers to check gnunet's resolver service
35 * a.root-servers.net <-> 198.41.0.4 is a fix 1:1 mapping that should not change over years
36 * For more information have a look at IANA's website http://www.root-servers.org/
37 */
38#define ROOTSERVER_NAME "a.root-servers.net"
39#define ROOTSERVER_IP "198.41.0.4"
40
41
42static void
43check_hostname (void *cls,
44 const struct sockaddr *sa,
45 socklen_t salen)
46{
47 int *ok = cls;
48
49 if (0 == salen)
50 {
51 (*ok) &= ~8;
52 return;
53 }
54 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
55 "Got IP address `%s' for our host.\n",
56 GNUNET_a2s (sa, salen));
57}
58
59
60static void
61check_localhost_num (void *cls,
62 const char *hostname)
63{
64 int *ok = cls;
65
66 if (hostname == NULL)
67 return;
68 if (0 == strcmp (hostname, "127.0.0.1"))
69 {
70 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
71 "Received correct hostname `%s'.\n",
72 hostname);
73 (*ok) &= ~4;
74 }
75 else
76 {
77 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
78 "Received invalid hostname `%s'.\n",
79 hostname);
80 GNUNET_break (0);
81 }
82}
83
84
85static void
86check_localhost (void *cls,
87 const char *hostname)
88{
89 int *ok = cls;
90
91 if (NULL == hostname)
92 return;
93 if (0 == strcmp (hostname, "localhost"))
94 {
95 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
96 "Received correct hostname `%s'.\n",
97 hostname);
98 (*ok) &= ~2;
99 }
100 else
101 {
102 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
103 "Received unexpected hostname `%s', expected `localhost' (this could be OK).\n",
104 hostname);
105 }
106}
107
108
109static void
110check_127 (void *cls, const struct sockaddr *sa, socklen_t salen)
111{
112 int *ok = cls;
113 const struct sockaddr_in *sai = (const struct sockaddr_in *) sa;
114
115 if (NULL == sa)
116 return;
117 GNUNET_assert (sizeof(struct sockaddr_in) == salen);
118 if (sai->sin_addr.s_addr == htonl (INADDR_LOOPBACK))
119 {
120 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
121 "Received correct address.\n");
122 (*ok) &= ~1;
123 }
124 else
125 {
126 char buf[INET_ADDRSTRLEN];
127
128 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
129 "Received incorrect address `%s'.\n",
130 inet_ntop (AF_INET,
131 &sai->sin_addr,
132 buf,
133 sizeof(buf)));
134 GNUNET_break (0);
135 }
136}
137
138
139static void
140check_rootserver_ip (void *cls, const struct sockaddr *sa, socklen_t salen)
141{
142 int *ok = cls;
143 const struct sockaddr_in *sai = (const struct sockaddr_in *) sa;
144
145 if (NULL == sa)
146 return;
147 GNUNET_assert (sizeof(struct sockaddr_in) == salen);
148
149 if (0 == strcmp (inet_ntoa (sai->sin_addr), ROOTSERVER_IP))
150 {
151 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
152 "Received correct rootserver ip address.\n");
153 (*ok) &= ~1;
154 }
155 else
156 {
157 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
158 "Received incorrect rootserver ip address.\n");
159 GNUNET_break (0);
160 }
161}
162
163
164static void
165check_rootserver_name (void *cls,
166 const char *hostname)
167{
168 int *ok = cls;
169
170 if (NULL == hostname)
171 return;
172
173 if (0 == strcmp (hostname, ROOTSERVER_NAME))
174 {
175 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
176 "Received correct rootserver hostname `%s'.\n",
177 hostname);
178 (*ok) &= ~2;
179 }
180 else
181 {
182 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
183 "Received invalid rootserver hostname `%s', expected `%s'\n",
184 hostname,
185 ROOTSERVER_NAME);
186 GNUNET_break (disable_rootserver_check);
187 }
188}
189
190
191static void
192run (void *cls, char *const *args, const char *cfgfile,
193 const struct GNUNET_CONFIGURATION_Handle *cfg)
194{
195 int *ok = cls;
196 struct sockaddr_in sa;
197 struct GNUNET_TIME_Relative timeout =
198 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);
199 int count_ips = 0;
200 char *own_fqdn;
201 const char *rootserver_name = ROOTSERVER_NAME;
202 struct hostent *rootserver;
203 struct in_addr rootserver_addr;
204
205 memset (&sa, 0, sizeof(sa));
206 sa.sin_family = AF_INET;
207#if HAVE_SOCKADDR_IN_SIN_LEN
208 sa.sin_len = (u_char) sizeof(sa);
209#endif
210 sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
211
212 /*
213 * Looking up our own fqdn
214 */
215 own_fqdn = GNUNET_RESOLVER_local_fqdn_get ();
216 /* can't really check, only thing we can safely
217 compare against is our own identical logic... */
218 GNUNET_free (own_fqdn);
219
220 /*
221 * Testing non-local DNS resolution
222 * DNS rootserver to test: a.root-servers.net - 198.41.0.4
223 */
224
225 rootserver = gethostbyname (rootserver_name);
226 if (NULL == rootserver)
227 {
228 /* Error: resolving ip addresses does not work */
229 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
230 _ ("gethostbyname() could not lookup IP address: %s\n"),
231 hstrerror (h_errno));
232 fprintf (stderr,
233 "%s",
234 "System seems to be off-line, will not run all DNS tests\n");
235 *ok = 0; /* mark test as passing anyway */
236 return;
237 }
238
239 /* Counting returned IP addresses */
240 while (NULL != rootserver->h_addr_list[count_ips])
241 count_ips++;
242 if (count_ips > 1)
243 {
244 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
245 "IP received range for root name server, but a root name server has only 1 IP\n");
246 GNUNET_break (0);
247 }
248
249 /* Comparing to resolved address to the address the root name server should have */
250 if (0 !=
251 strcmp (inet_ntoa (*(struct in_addr *) rootserver->h_addr_list[0]),
252 ROOTSERVER_IP))
253 {
254 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
255 "IP received and IP for root name server differ\n");
256 GNUNET_break (0);
257 }
258 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
259 "System's own forward name resolution is working\n");
260 /* Resolve the same using GNUNET */
261 GNUNET_RESOLVER_ip_get (ROOTSERVER_NAME, AF_INET, timeout,
262 &check_rootserver_ip, cls);
263 GNUNET_RESOLVER_ip_get (ROOTSERVER_NAME, AF_INET, timeout,
264 &check_rootserver_ip, cls);
265
266 /*
267 * Success: forward lookups work as expected
268 * Next step: reverse lookups
269 */
270 if (1 != inet_pton (AF_INET,
271 ROOTSERVER_IP,
272 &rootserver_addr))
273 {
274 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
275 "Could not transform root name server IP address\n");
276 GNUNET_break (0);
277 }
278
279 rootserver =
280 gethostbyaddr ((const void *) &rootserver_addr,
281 sizeof(rootserver_addr),
282 AF_INET);
283 if (NULL == rootserver)
284 {
285 /* Error: resolving IP addresses does not work */
286 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
287 "gethostbyaddr() could not lookup hostname: %s\n",
288 hstrerror (h_errno));
289 disable_rootserver_check = GNUNET_YES;
290 }
291 else
292 {
293 if (0 != strcmp (rootserver->h_name,
294 ROOTSERVER_NAME))
295 {
296 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
297 "Received hostname and hostname for root name server differ\n");
298 disable_rootserver_check = GNUNET_YES;
299 }
300 }
301
302 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
303 "System's own reverse name resolution is working\n");
304 /* Resolve the same using GNUNET */
305 memset (&sa, 0, sizeof(sa));
306 sa.sin_family = AF_INET;
307#if HAVE_SOCKADDR_IN_SIN_LEN
308 sa.sin_len = (u_char) sizeof(sa);
309#endif
310 inet_aton (ROOTSERVER_IP, &sa.sin_addr);
311
312 GNUNET_RESOLVER_hostname_get ((const struct sockaddr *) &sa,
313 sizeof(struct sockaddr), GNUNET_YES, timeout,
314 &check_rootserver_name, cls);
315
316 memset (&sa, 0, sizeof(sa));
317 sa.sin_family = AF_INET;
318#if HAVE_SOCKADDR_IN_SIN_LEN
319 sa.sin_len = (u_char) sizeof(sa);
320#endif
321 sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
322
323 GNUNET_RESOLVER_ip_get ("localhost", AF_INET, timeout, &check_127, cls);
324 GNUNET_RESOLVER_hostname_get ((const struct sockaddr *) &sa,
325 sizeof(struct sockaddr), GNUNET_YES, timeout,
326 &check_localhost, cls);
327
328 GNUNET_RESOLVER_hostname_get ((const struct sockaddr *) &sa,
329 sizeof(struct sockaddr), GNUNET_NO, timeout,
330 &check_localhost_num, cls);
331 GNUNET_RESOLVER_hostname_resolve (AF_UNSPEC, timeout, &check_hostname, cls);
332}
333
334
335int
336main (int argc, char *argv[])
337{
338 int ok = 1 + 2 + 4 + 8;
339 char *fn;
340 struct GNUNET_OS_Process *proc;
341 char *const argvx[] = {
342 "test-resolver-api", "-c", "test_resolver_api_data.conf", NULL
343 };
344 struct GNUNET_GETOPT_CommandLineOption options[] =
345 { GNUNET_GETOPT_OPTION_END };
346
347 GNUNET_log_setup ("test-resolver-api",
348 "WARNING",
349 NULL);
350 fn = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
351 proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_OUT_AND_ERR
352 | GNUNET_OS_USE_PIPE_CONTROL,
353 NULL, NULL, NULL,
354 fn,
355 "gnunet-service-resolver",
356 "-c", "test_resolver_api_data.conf", NULL);
357 GNUNET_assert (NULL != proc);
358 GNUNET_free (fn);
359 GNUNET_assert (GNUNET_OK ==
360 GNUNET_PROGRAM_run ((sizeof(argvx) / sizeof(char *)) - 1,
361 argvx, "test-resolver-api", "nohelp",
362 options, &run, &ok));
363 if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
364 {
365 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
366 ok = 1;
367 }
368 GNUNET_OS_process_wait (proc);
369 GNUNET_OS_process_destroy (proc);
370 proc = NULL;
371 if (0 != ok)
372 fprintf (stderr, "Missed some resolutions: %u\n", ok);
373 return ok;
374}
375
376
377/* end of test_resolver_api.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 20:31:54 +0000