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authorMartin Schanzenbach <schanzen@gnunet.org>2023-10-19 11:33:18 +0200
committerMartin Schanzenbach <schanzen@gnunet.org>2023-10-19 11:33:18 +0200
commit7c7d819e8e03dadb91935d5ae91aa921cc7b86c7 (patch)
tree9327ae110e5e64c99901cd853d3d36e23f39aaee /src/gns/test_gns_proxy.c
parentdf59c19d712a4339f7c75c76942c1a4f86bf2e5b (diff)
downloadgnunet-7c7d819e8e03dadb91935d5ae91aa921cc7b86c7.tar.gz
gnunet-7c7d819e8e03dadb91935d5ae91aa921cc7b86c7.zip
BUILD: Move gns/zonemaster to service
Diffstat (limited to 'src/gns/test_gns_proxy.c')
-rw-r--r--src/gns/test_gns_proxy.c576
1 files changed, 0 insertions, 576 deletions
diff --git a/src/gns/test_gns_proxy.c b/src/gns/test_gns_proxy.c
deleted file mode 100644
index e09db5787..000000000
--- a/src/gns/test_gns_proxy.c
+++ /dev/null
@@ -1,576 +0,0 @@
1/*
2 This file is part of GNUnet
3 Copyright (C) 2007, 2009, 2011, 2012 Christian Grothoff
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 * @file test_gns_proxy.c
23 * @brief testcase for accessing SOCKS5 GNS proxy
24 * @author Martin Schanzenbach
25 */
26#include "platform.h"
27/* Just included for the right curl.h */
28#include "gnunet_curl_lib.h"
29#include <microhttpd.h>
30#include "gnunet_util_lib.h"
31#include "gnutls/x509.h"
32
33/**
34 * Largest allowed size for a PEM certificate.
35 */
36#define MAX_PEM_SIZE (10 * 1024)
37
38#define TEST_DOMAIN "www.test"
39
40#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
41
42/**
43 * Return value for 'main'.
44 */
45static int global_ret;
46
47
48static struct MHD_Daemon *mhd;
49
50static struct GNUNET_SCHEDULER_Task *mhd_task_id;
51
52static struct GNUNET_SCHEDULER_Task *curl_task_id;
53
54static CURL *curl;
55
56static CURLM *multi;
57
58static char *url;
59
60static struct GNUNET_OS_Process *proxy_proc;
61
62static char*cafile_opt;
63
64static char*cafile_srv;
65
66static uint16_t port;
67
68static gnutls_x509_crt_t proxy_cert;
69
70static gnutls_x509_privkey_t proxy_key;
71
72struct CBC
73{
74 char buf[1024];
75 size_t pos;
76};
77
78static struct CBC cbc;
79
80/**
81 * Read file in filename
82 *
83 * @param filename file to read
84 * @param size pointer where filesize is stored
85 * @return NULL on error
86 */
87static void*
88load_file (const char*filename,
89 unsigned int*size)
90{
91 void *buffer;
92 uint64_t fsize;
93
94 if (GNUNET_OK !=
95 GNUNET_DISK_file_size (filename,
96 &fsize,
97 GNUNET_YES,
98 GNUNET_YES))
99 return NULL;
100 if (fsize > MAX_PEM_SIZE)
101 return NULL;
102 *size = (unsigned int) fsize;
103 buffer = GNUNET_malloc (*size);
104 if (fsize !=
105 GNUNET_DISK_fn_read (filename,
106 buffer,
107 (size_t) fsize))
108 {
109 GNUNET_free (buffer);
110 return NULL;
111 }
112 return buffer;
113}
114
115
116/**
117 * Load PEM key from file
118 *
119 * @param key where to store the data
120 * @param keyfile path to the PEM file
121 * @return #GNUNET_OK on success
122 */
123static int
124load_key_from_file (gnutls_x509_privkey_t key,
125 const char*keyfile)
126{
127 gnutls_datum_t key_data;
128 int ret;
129
130 key_data.data = load_file (keyfile,
131 &key_data.size);
132 if (NULL == key_data.data)
133 return GNUNET_SYSERR;
134 ret = gnutls_x509_privkey_import (key, &key_data,
135 GNUTLS_X509_FMT_PEM);
136 if (GNUTLS_E_SUCCESS != ret)
137 {
138 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
139 _ ("Unable to import private key from file `%s'\n"),
140 keyfile);
141 }
142 GNUNET_free (key_data.data);
143 return (GNUTLS_E_SUCCESS != ret) ? GNUNET_SYSERR : GNUNET_OK;
144}
145
146
147/**
148 * Load cert from file
149 *
150 * @param crt struct to store data in
151 * @param certfile path to pem file
152 * @return #GNUNET_OK on success
153 */
154static int
155load_cert_from_file (gnutls_x509_crt_t crt,
156 const char*certfile)
157{
158 gnutls_datum_t cert_data;
159 int ret;
160
161 cert_data.data = load_file (certfile,
162 &cert_data.size);
163 if (NULL == cert_data.data)
164 return GNUNET_SYSERR;
165 ret = gnutls_x509_crt_import (crt,
166 &cert_data,
167 GNUTLS_X509_FMT_PEM);
168 if (GNUTLS_E_SUCCESS != ret)
169 {
170 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
171 _ ("Unable to import certificate from `%s'\n"),
172 certfile);
173 }
174 GNUNET_free (cert_data.data);
175 return (GNUTLS_E_SUCCESS != ret) ? GNUNET_SYSERR : GNUNET_OK;
176}
177
178
179static size_t
180copy_buffer (void *ptr, size_t size, size_t nmemb, void *ctx)
181{
182 struct CBC *cbc = ctx;
183
184 if (cbc->pos + size * nmemb > sizeof(cbc->buf))
185 return 0; /* overflow */
186 GNUNET_memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
187 cbc->pos += size * nmemb;
188 return size * nmemb;
189}
190
191
192static enum MHD_Result
193mhd_ahc (void *cls,
194 struct MHD_Connection *connection,
195 const char *url,
196 const char *method,
197 const char *version,
198 const char *upload_data, size_t *upload_data_size,
199 void **unused)
200{
201 static int ptr;
202 struct MHD_Response *response;
203 int ret;
204
205 if (0 != strcmp ("GET", method))
206 return MHD_NO; /* unexpected method */
207 if (&ptr != *unused)
208 {
209 *unused = &ptr;
210 return MHD_YES;
211 }
212 *unused = NULL;
213 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
214 "MHD sends response for request to URL `%s'\n", url);
215 response = MHD_create_response_from_buffer (strlen (url),
216 (void *) url,
217 MHD_RESPMEM_MUST_COPY);
218 ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
219 MHD_destroy_response (response);
220 if (ret == MHD_NO)
221 {
222 global_ret = 1;
223 abort ();
224 }
225 global_ret = 0;
226 return ret;
227}
228
229
230static void
231do_shutdown ()
232{
233 if (mhd_task_id != NULL)
234 {
235 GNUNET_SCHEDULER_cancel (mhd_task_id);
236 mhd_task_id = NULL;
237 }
238 if (curl_task_id != NULL)
239 {
240 GNUNET_SCHEDULER_cancel (curl_task_id);
241 curl_task_id = NULL;
242 }
243 if (NULL != mhd)
244 {
245 MHD_stop_daemon (mhd);
246 mhd = NULL;
247 }
248 GNUNET_free (url);
249
250 if (NULL != proxy_proc)
251 {
252 (void) GNUNET_OS_process_kill (proxy_proc, SIGKILL);
253 GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (proxy_proc));
254 GNUNET_OS_process_destroy (proxy_proc);
255 proxy_proc = NULL;
256 }
257 url = NULL;
258 GNUNET_SCHEDULER_shutdown ();
259}
260
261
262/**
263 * Function to run the HTTP client.
264 */
265static void
266curl_main (void);
267
268
269static void
270curl_task (void *cls)
271{
272 curl_task_id = NULL;
273 curl_main ();
274}
275
276
277static void
278curl_main ()
279{
280 fd_set rs;
281 fd_set ws;
282 fd_set es;
283 int max;
284 struct GNUNET_NETWORK_FDSet nrs;
285 struct GNUNET_NETWORK_FDSet nws;
286 struct GNUNET_TIME_Relative delay;
287 long timeout;
288 int running;
289 struct CURLMsg *msg;
290
291 max = 0;
292 FD_ZERO (&rs);
293 FD_ZERO (&ws);
294 FD_ZERO (&es);
295 curl_multi_perform (multi, &running);
296 if (running == 0)
297 {
298 GNUNET_assert (NULL != (msg = curl_multi_info_read (multi, &running)));
299 if (msg->msg == CURLMSG_DONE)
300 {
301 if (msg->data.result != CURLE_OK)
302 {
303 fprintf (stderr,
304 "%s failed at %s:%d: `%s'\n",
305 "curl_multi_perform",
306 __FILE__,
307 __LINE__, curl_easy_strerror (msg->data.result));
308 global_ret = 1;
309 }
310 }
311 curl_multi_remove_handle (multi, curl);
312 curl_multi_cleanup (multi);
313 curl_easy_cleanup (curl);
314 curl = NULL;
315 multi = NULL;
316 if (cbc.pos != strlen ("/hello_world"))
317 {
318 GNUNET_break (0);
319 global_ret = 2;
320 }
321 if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
322 {
323 GNUNET_break (0);
324 global_ret = 3;
325 }
326 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download complete, shutting down!\n");
327 do_shutdown ();
328 return;
329 }
330 GNUNET_assert (CURLM_OK == curl_multi_fdset (multi, &rs, &ws, &es, &max));
331 if ((CURLM_OK != curl_multi_timeout (multi, &timeout)) ||
332 (-1 == timeout))
333 delay = GNUNET_TIME_UNIT_SECONDS;
334 else
335 delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
336 (unsigned int) timeout);
337 GNUNET_NETWORK_fdset_copy_native (&nrs,
338 &rs,
339 max + 1);
340 GNUNET_NETWORK_fdset_copy_native (&nws,
341 &ws,
342 max + 1);
343 curl_task_id = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
344 delay,
345 &nrs,
346 &nws,
347 &curl_task,
348 NULL);
349}
350
351
352static void
353start_curl (void *cls)
354{
355 curl_task_id = NULL;
356 GNUNET_asprintf (&url,
357 "https://%s:%d/hello_world",
358 TEST_DOMAIN, port);
359 curl = curl_easy_init ();
360 curl_easy_setopt (curl, CURLOPT_URL, url);
361 // curl_easy_setopt (curl, CURLOPT_URL, "https://127.0.0.1:8443/hello_world");
362 curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, &copy_buffer);
363 curl_easy_setopt (curl, CURLOPT_WRITEDATA, &cbc);
364 curl_easy_setopt (curl, CURLOPT_FAILONERROR, 1);
365 curl_easy_setopt (curl, CURLOPT_TIMEOUT, 150L);
366 curl_easy_setopt (curl, CURLOPT_CONNECTTIMEOUT, 15L);
367 curl_easy_setopt (curl, CURLOPT_NOSIGNAL, 1);
368 curl_easy_setopt (curl, CURLOPT_CAINFO, cafile_opt);
369 // curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0L);
370 // curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 0L);
371 curl_easy_setopt (curl, CURLOPT_PROXY, "socks5h://127.0.0.1:7777");
372
373 multi = curl_multi_init ();
374 GNUNET_assert (multi != NULL);
375 GNUNET_assert (CURLM_OK == curl_multi_add_handle (multi, curl));
376 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
377 "Beginning HTTP download from `%s'\n",
378 url);
379 curl_main ();
380}
381
382
383/**
384 * Callback invoked from the namestore service once record is
385 * created.
386 *
387 * @param cls closure
388 * @param af address family, AF_INET or AF_INET6; AF_UNSPEC on error;
389 * will match 'result_af' from the request
390 * @param address IP address (struct in_addr or struct in_addr6, depending on 'af')
391 * that the VPN allocated for the redirection;
392 * traffic to this IP will now be redirected to the
393 * specified target peer; NULL on error
394 */
395static void
396commence_testing (void *cls)
397{
398 curl_task_id =
399 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
400 &start_curl,
401 NULL);
402}
403
404
405/**
406 * Function to keep the HTTP server running.
407 */
408static void
409mhd_main (void);
410
411
412static void
413mhd_task (void *cls)
414{
415 mhd_task_id = NULL;
416 MHD_run (mhd);
417 mhd_main ();
418}
419
420
421static void
422mhd_main ()
423{
424 struct GNUNET_NETWORK_FDSet nrs;
425 struct GNUNET_NETWORK_FDSet nws;
426 fd_set rs;
427 fd_set ws;
428 fd_set es;
429 int max_fd;
430 unsigned MHD_LONG_LONG timeout;
431 struct GNUNET_TIME_Relative delay;
432
433 GNUNET_assert (NULL == mhd_task_id);
434 FD_ZERO (&rs);
435 FD_ZERO (&ws);
436 FD_ZERO (&es);
437 max_fd = -1;
438 GNUNET_assert (MHD_YES ==
439 MHD_get_fdset (mhd, &rs, &ws, &es, &max_fd));
440 if (MHD_YES == MHD_get_timeout (mhd, &timeout))
441 delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
442 (unsigned int) timeout);
443 else
444 delay = GNUNET_TIME_UNIT_FOREVER_REL;
445 GNUNET_NETWORK_fdset_copy_native (&nrs,
446 &rs,
447 max_fd + 1);
448 GNUNET_NETWORK_fdset_copy_native (&nws,
449 &ws,
450 max_fd + 1);
451 mhd_task_id = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
452 delay,
453 &nrs,
454 &nws,
455 &mhd_task,
456 NULL);
457}
458
459
460/**
461 * Main function that will be run
462 *
463 * @param cls closure
464 * @param args remaining command-line arguments
465 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
466 * @param c configuration
467 */
468static void
469run (void *cls,
470 char *const *args,
471 const char *cfgfile,
472 const struct GNUNET_CONFIGURATION_Handle *c)
473{
474 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
475 "Using `%s' as CA\n",
476 cafile_srv);
477 char cert[MAX_PEM_SIZE];
478 char key[MAX_PEM_SIZE];
479 size_t key_buf_size;
480 size_t cert_buf_size;
481
482 gnutls_global_init ();
483 gnutls_x509_crt_init (&proxy_cert);
484 gnutls_x509_privkey_init (&proxy_key);
485
486 if ((GNUNET_OK !=
487 load_cert_from_file (proxy_cert,
488 cafile_srv)) ||
489 (GNUNET_OK !=
490 load_key_from_file (proxy_key,
491 cafile_srv)))
492 {
493 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
494 _ ("Failed to load X.509 key and certificate from `%s'\n"),
495 cafile_srv);
496 gnutls_x509_crt_deinit (proxy_cert);
497 gnutls_x509_privkey_deinit (proxy_key);
498 gnutls_global_deinit ();
499 return;
500 }
501 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
502 NULL);
503 key_buf_size = sizeof(key);
504 cert_buf_size = sizeof(cert);
505 gnutls_x509_crt_export (proxy_cert,
506 GNUTLS_X509_FMT_PEM,
507 cert,
508 &cert_buf_size);
509 gnutls_x509_privkey_export (proxy_key,
510 GNUTLS_X509_FMT_PEM,
511 key,
512 &key_buf_size);
513 mhd = MHD_start_daemon (MHD_USE_DEBUG | MHD_USE_SSL
514 | MHD_ALLOW_SUSPEND_RESUME, port,
515 NULL, NULL,
516 &mhd_ahc, NULL,
517 MHD_OPTION_HTTPS_MEM_KEY, key,
518 MHD_OPTION_HTTPS_MEM_CERT, cert,
519 MHD_OPTION_END);
520 GNUNET_assert (NULL != mhd);
521 mhd_main ();
522
523 GNUNET_SCHEDULER_add_now (&commence_testing,
524 NULL);
525}
526
527
528int
529main (int argc, char *const *argv)
530{
531 struct GNUNET_GETOPT_CommandLineOption options[] = {
532 GNUNET_GETOPT_option_uint16 ('p',
533 "port",
534 NULL,
535 gettext_noop (
536 "listen on specified port (default: 7777)"),
537 &port),
538 GNUNET_GETOPT_option_string ('A',
539 "curlcert",
540 NULL,
541 gettext_noop ("pem file to use as CA"),
542 &cafile_opt),
543 GNUNET_GETOPT_option_string ('S',
544 "servercert",
545 NULL,
546 gettext_noop (
547 "pem file to use for the server"),
548 &cafile_srv),
549
550 GNUNET_GETOPT_OPTION_END
551 };
552
553 if (0 != curl_global_init (CURL_GLOBAL_WIN32))
554 {
555 fprintf (stderr, "failed to initialize curl\n");
556 return 2;
557 }
558 if (GNUNET_OK !=
559 GNUNET_STRINGS_get_utf8_args (argc, argv,
560 &argc, &argv))
561 return 2;
562 GNUNET_log_setup ("gnunet-gns-proxy-test",
563 "WARNING",
564 NULL);
565 if (GNUNET_OK != GNUNET_PROGRAM_run (argc, argv,
566 "gnunet-gns-proxy-test",
567 _ ("GNUnet GNS proxy test"),
568 options,
569 &run, NULL))
570 return 1;
571 GNUNET_free_nz ((void*) argv);
572 return global_ret;
573}
574
575
576/* end of test_gns_proxy.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 13:34:44 +0000