2 This file is part of GNUnet.
3 (C) 2009, 2010 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.
21 * @file transport/test_transport_api.c
22 * @brief base test case for transport implementations
24 * This test case serves as a base for tcp, udp, and udp-nat
25 * transport test cases. Based on the executable being run
26 * the correct test case will be performed. Conservation of
30 #include "gnunet_common.h"
31 #include "gnunet_hello_lib.h"
32 #include "gnunet_getopt_lib.h"
33 #include "gnunet_os_lib.h"
34 #include "gnunet_program_lib.h"
35 #include "gnunet_scheduler_lib.h"
36 #include "gnunet_transport_service.h"
37 #include "transport.h"
38 #include "transport-testing.h"
40 #define VERBOSE GNUNET_NO
42 #define VERBOSE_ARM GNUNET_NO
44 #define START_ARM GNUNET_YES
47 * How long until we give up on transmitting the message?
49 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
52 * How long until we give up on transmitting the message?
54 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
58 static struct PeerContext p1;
60 static struct PeerContext p2;
66 static int is_tcp_nat;
72 static int is_udp_nat;
78 static int is_multi_protocol;
82 static GNUNET_SCHEDULER_TaskIdentifier die_task;
84 static GNUNET_SCHEDULER_TaskIdentifier tct;
86 static char * key_file_p1;
87 static char * cert_file_p1;
89 static char * key_file_p2;
90 static char * cert_file_p2;
93 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
95 #define OKPP do { ok++; } while (0)
102 GNUNET_assert (ok == 6);
103 GNUNET_SCHEDULER_cancel (die_task);
104 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
105 "Disconnecting from transports!\n");
106 GNUNET_TRANSPORT_disconnect (p1.th);
107 GNUNET_TRANSPORT_disconnect (p2.th);
108 die_task = GNUNET_SCHEDULER_NO_TASK;
109 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
110 "Transports disconnected, returning success!\n");
115 stop_arm (struct PeerContext *p)
118 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
119 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
120 GNUNET_OS_process_wait (p->arm_proc);
121 GNUNET_OS_process_close (p->arm_proc);
124 GNUNET_CONFIGURATION_destroy (p->cfg);
131 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
133 GNUNET_TRANSPORT_disconnect (p1.th);
134 GNUNET_TRANSPORT_disconnect (p2.th);
135 if (GNUNET_SCHEDULER_NO_TASK != tct)
137 GNUNET_SCHEDULER_cancel (tct);
138 tct = GNUNET_SCHEDULER_NO_TASK;
145 notify_receive (void *cls,
146 const struct GNUNET_PeerIdentity *peer,
147 const struct GNUNET_MessageHeader *message,
148 const struct GNUNET_TRANSPORT_ATS_Information *ats,
151 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
152 "Received message of type %d from peer %s!\n",
153 ntohs(message->type),
155 GNUNET_assert (ok == 5);
157 GNUNET_assert (MTYPE == ntohs (message->type));
158 GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
159 ntohs (message->size));
165 notify_ready (void *cls, size_t size, void *buf)
167 struct PeerContext *p = cls;
168 struct GNUNET_MessageHeader *hdr;
170 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
171 "Transmitting message with %u bytes to peer %s\n",
172 sizeof (struct GNUNET_MessageHeader),
173 GNUNET_i2s (&p->id));
174 GNUNET_assert (size >= 256);
175 GNUNET_assert (ok == 4);
180 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
181 hdr->type = htons (MTYPE);
183 return sizeof (struct GNUNET_MessageHeader);
188 exchange_hello_last (void *cls,
189 const struct GNUNET_MessageHeader *message)
191 struct PeerContext *me = cls;
193 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
194 "Exchanging HELLO of size %d with peer (%s)!\n",
195 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
196 GNUNET_i2s (&me->id));
197 GNUNET_assert (message != NULL);
198 GNUNET_assert (GNUNET_OK ==
199 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
201 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
207 exchange_hello (void *cls,
208 const struct GNUNET_MessageHeader *message)
210 struct PeerContext *me = cls;
212 GNUNET_assert (message != NULL);
213 GNUNET_assert (GNUNET_OK ==
214 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
216 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
217 "Exchanging HELLO of size %d from peer %s!\n",
218 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
219 GNUNET_i2s (&me->id));
220 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
226 notify_connect (void *cls,
227 const struct GNUNET_PeerIdentity *peer,
228 const struct GNUNET_TRANSPORT_ATS_Information *ats,
231 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
232 "Peer `%4s' connected to us (%p)!\n",
237 GNUNET_assert (ok >= 2);
240 GNUNET_SCHEDULER_cancel (die_task);
241 GNUNET_SCHEDULER_cancel (tct);
242 tct = GNUNET_SCHEDULER_NO_TASK;
243 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
244 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
245 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT_TRANSMIT,
247 GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
249 256, 0, TIMEOUT, ¬ify_ready,
256 notify_disconnect (void *cls,
257 const struct GNUNET_PeerIdentity *peer)
259 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
260 "Peer `%4s' disconnected (%p)!\n",
261 GNUNET_i2s (peer), cls);
266 setup_peer (struct PeerContext *p,
269 p->cfg = GNUNET_CONFIGURATION_create ();
271 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
272 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
273 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
274 GNUNET_DISK_directory_remove (p->servicehome);
277 p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
278 "gnunet-service-arm",
282 "-c", cfgname, NULL);
286 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
287 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
294 if (GNUNET_CONFIGURATION_have_value (p->cfg,
295 "transport-https", "KEY_FILE"))
296 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
297 if (key_file_p1==NULL)
298 GNUNET_asprintf(&key_file_p1,"https.key");
299 if (0 == stat (key_file_p1, &sbuf ))
301 if (0 == remove(key_file_p1))
302 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
303 "Successfully removed existing private key file `%s'\n",key_file_p1);
305 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
306 "Failed to remove private key file `%s'\n",key_file_p1);
308 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
309 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
310 if (cert_file_p1==NULL)
311 GNUNET_asprintf(&cert_file_p1,"https.cert");
312 if (0 == stat (cert_file_p1, &sbuf ))
314 if (0 == remove(cert_file_p1))
315 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
316 "Successfully removed existing certificate file `%s'\n",
319 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
320 "Failed to remove existing certificate file `%s'\n",
326 if (GNUNET_CONFIGURATION_have_value (p->cfg,
327 "transport-https", "KEY_FILE"))
328 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
329 if (key_file_p2==NULL)
330 GNUNET_asprintf(&key_file_p2,"https.key");
331 if (0 == stat (key_file_p2, &sbuf ))
333 if (0 == remove(key_file_p2))
334 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
335 "Successfully removed existing private key file `%s'\n",
338 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
339 "Failed to remove private key file `%s'\n",
342 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
343 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
344 if (cert_file_p2==NULL)
345 GNUNET_asprintf(&cert_file_p2,"https.cert");
346 if (0 == stat (cert_file_p2, &sbuf ))
348 if (0 == remove(cert_file_p2))
349 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
350 "Successfully removed existing certificate file `%s'\n",cert_file_p2);
352 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
353 "Failed to remove existing certificate file `%s'\n",cert_file_p2);
358 p->th = GNUNET_TRANSPORT_connect (p->cfg,
361 ¬ify_connect, ¬ify_disconnect);
362 GNUNET_assert (p->th != NULL);
367 try_connect (void *cls,
368 const struct GNUNET_SCHEDULER_TaskContext *tc)
370 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
371 "Asking peers to connect...\n");
372 GNUNET_TRANSPORT_try_connect (p2.th,
374 GNUNET_TRANSPORT_try_connect (p1.th,
376 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
385 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
387 GNUNET_assert (ok == 1);
389 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
394 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
395 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
399 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
400 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
402 if (is_multi_protocol)
404 setup_peer (&p1, "test_transport_api_multi_peer1.conf");
405 setup_peer (&p2, "test_transport_api_multi_peer2.conf");
409 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
410 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
414 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
415 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
419 setup_peer (&p1, "test_transport_api_udp_nat_peer1.conf");
420 setup_peer (&p2, "test_transport_api_udp_nat_peer2.conf");
424 setup_peer (&p1, "test_transport_api_http_peer1.conf");
425 setup_peer (&p2, "test_transport_api_http_peer2.conf");
429 setup_peer (&p1, "test_transport_api_https_peer1.conf");
430 setup_peer (&p2, "test_transport_api_https_peer2.conf");
434 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
435 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
437 GNUNET_assert(p1.th != NULL);
438 GNUNET_assert(p2.th != NULL);
440 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
441 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
442 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
448 static char *const argv[] = { "test-transport-api",
450 "test_transport_api_data.conf",
456 static struct GNUNET_GETOPT_CommandLineOption options[] = {
457 GNUNET_GETOPT_OPTION_END
461 setTransportOptions("test_transport_api_data.conf");
464 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
465 argv, "test-transport-api", "nohelp",
473 if (0 == stat (cert_file_p1, &sbuf ))
475 if (0 == remove(cert_file_p1))
476 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
477 "Successfully removed existing certificate file `%s'\n",cert_file_p1);
479 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
480 "Failed to remove certfile `%s'\n",cert_file_p1);
483 if (0 == stat (key_file_p1, &sbuf ))
485 if (0 == remove(key_file_p1))
486 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
487 "Successfully removed private key file `%s'\n",key_file_p1);
489 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
490 "Failed to private key file `%s'\n",key_file_p1);
493 if (0 == stat (cert_file_p2, &sbuf ))
495 if (0 == remove(cert_file_p2))
496 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
497 "Successfully removed existing certificate file `%s'\n",cert_file_p2);
499 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
500 "Failed to remove certfile `%s'\n",cert_file_p2);
503 if (0 == stat (key_file_p2, &sbuf ))
505 if (0 == remove(key_file_p2))
506 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
507 "Successfully removed private key file `%s'\n",key_file_p2);
509 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
510 "Failed to private key file `%s'\n",key_file_p2);
512 GNUNET_free(key_file_p1);
513 GNUNET_free(key_file_p2);
514 GNUNET_free(cert_file_p1);
515 GNUNET_free(cert_file_p2);
518 if ((p1.servicehome != NULL) && (p2.servicehome != NULL))
520 GNUNET_DISK_directory_remove (p1.servicehome);
521 GNUNET_DISK_directory_remove (p2.servicehome);
522 GNUNET_free(p1.servicehome);
523 GNUNET_free(p2.servicehome);
529 * Return the actual path to a file found in the current
530 * PATH environment variable.
532 * @param binary the name of the file to find
535 get_path_from_PATH (char *binary)
546 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
547 _("PATH environment variable is unset.\n"));
550 path = GNUNET_strdup (p); /* because we write on it */
551 buf = GNUNET_malloc (strlen (path) + 20);
554 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
557 sprintf (buf, "%s/%s", pos, binary);
558 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
565 sprintf (buf, "%s/%s", pos, binary);
566 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
577 * Check whether the suid bit is set on a file.
578 * Attempts to find the file using the current
579 * PATH environment variable as a search path.
581 * @param binary the name of the file to check
583 * @return GNUNET_YES if the binary is found and
584 * can be run properly, GNUNET_NO otherwise
587 check_gnunet_nat_binary(char *binary)
597 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
598 p = get_path_from_PATH (binaryexe);
601 p = get_path_from_PATH (binary);
605 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
606 _("Could not find binary `%s' in PATH!\n"),
610 if (0 != STAT (p, &statbuf))
612 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
613 _("stat (%s) failed: %s\n"),
617 return GNUNET_SYSERR;
621 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
622 (statbuf.st_uid == 0) )
626 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
627 if (INVALID_SOCKET == rawsock)
629 DWORD err = GetLastError ();
630 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
631 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
632 return GNUNET_NO; /* not running as administrator */
634 closesocket (rawsock);
640 main (int argc, char *argv[])
644 return GNUNET_SYSERR;
647 GNUNET_log_setup ("test-transport-api",
655 if (strstr(argv[0], "tcp_nat") != NULL)
657 is_tcp_nat = GNUNET_YES;
658 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
660 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
661 "`%s' not properly installed, cannot run NAT test!\n",
662 "gnunet-nat-server");
666 else if (strstr(argv[0], "tcp") != NULL)
670 else if (strstr(argv[0], "udp_nat") != NULL)
672 is_udp_nat = GNUNET_YES;
673 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
675 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
676 "`%s' not properly installed, cannot run NAT test!\n",
677 "gnunet-nat-server");
679 } GNUNET_free(p1.servicehome);
680 GNUNET_free(p2.servicehome);
682 else if (strstr(argv[0], "udp") != NULL)
686 else if (strstr(argv[0], "unix") != NULL)
688 is_unix = GNUNET_YES;
690 else if (strstr(argv[0], "https") != NULL)
692 is_https = GNUNET_YES;
694 else if (strstr(argv[0], "http") != NULL)
696 is_http = GNUNET_YES;
698 else if (strstr(argv[0], "wlan") != NULL)
700 is_wlan = GNUNET_YES;
702 else if (strstr(argv[0], "multi") != NULL)
704 is_multi_protocol = GNUNET_YES;
712 /* end of test_transport_api.c */