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;
92 struct GNUNET_TRANSPORT_TransmitHandle * th;
95 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
97 #define OKPP do { ok++; } while (0)
104 GNUNET_assert (ok == 6);
105 GNUNET_SCHEDULER_cancel (die_task);
106 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
107 "Disconnecting from transports!\n");
109 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th);
112 GNUNET_TRANSPORT_disconnect (p1.th);
113 GNUNET_TRANSPORT_disconnect (p2.th);
114 die_task = GNUNET_SCHEDULER_NO_TASK;
115 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
116 "Transports disconnected, returning success!\n");
121 stop_arm (struct PeerContext *p)
124 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
125 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
126 GNUNET_OS_process_wait (p->arm_proc);
127 GNUNET_OS_process_close (p->arm_proc);
130 GNUNET_CONFIGURATION_destroy (p->cfg);
137 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
141 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th);
144 GNUNET_TRANSPORT_disconnect (p1.th);
145 GNUNET_TRANSPORT_disconnect (p2.th);
146 if (GNUNET_SCHEDULER_NO_TASK != tct)
148 GNUNET_SCHEDULER_cancel (tct);
149 tct = GNUNET_SCHEDULER_NO_TASK;
156 notify_receive (void *cls,
157 const struct GNUNET_PeerIdentity *peer,
158 const struct GNUNET_MessageHeader *message,
159 const struct GNUNET_TRANSPORT_ATS_Information *ats,
162 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
163 "Received message of type %d from peer %s!\n",
164 ntohs(message->type),
166 GNUNET_assert (ok == 5);
168 GNUNET_assert (MTYPE == ntohs (message->type));
169 GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
170 ntohs (message->size));
176 notify_ready (void *cls, size_t size, void *buf)
178 struct PeerContext *p = cls;
179 struct GNUNET_MessageHeader *hdr;
183 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
184 "Transmitting message with %u bytes to peer %s\n",
185 sizeof (struct GNUNET_MessageHeader),
186 GNUNET_i2s (&p->id));
187 GNUNET_assert (size >= 256);
188 GNUNET_assert (ok == 4);
193 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
194 hdr->type = htons (MTYPE);
196 return sizeof (struct GNUNET_MessageHeader);
201 exchange_hello_last (void *cls,
202 const struct GNUNET_MessageHeader *message)
204 struct PeerContext *me = cls;
206 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
207 "Exchanging HELLO of size %d with peer (%s)!\n",
208 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
209 GNUNET_i2s (&me->id));
210 GNUNET_assert (message != NULL);
211 GNUNET_assert (GNUNET_OK ==
212 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
214 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
220 exchange_hello (void *cls,
221 const struct GNUNET_MessageHeader *message)
223 struct PeerContext *me = cls;
225 GNUNET_assert (message != NULL);
226 GNUNET_assert (GNUNET_OK ==
227 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
229 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
230 "Exchanging HELLO of size %d from peer %s!\n",
231 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
232 GNUNET_i2s (&me->id));
233 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
239 notify_connect (void *cls,
240 const struct GNUNET_PeerIdentity *peer,
241 const struct GNUNET_TRANSPORT_ATS_Information *ats,
244 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
245 "Peer `%4s' connected to us (%p)!\n",
250 GNUNET_assert (ok >= 2);
253 GNUNET_SCHEDULER_cancel (die_task);
254 GNUNET_SCHEDULER_cancel (tct);
255 tct = GNUNET_SCHEDULER_NO_TASK;
256 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
257 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
258 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT_TRANSMIT,
260 th = GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
262 256, 0, TIMEOUT, ¬ify_ready,
269 notify_disconnect (void *cls,
270 const struct GNUNET_PeerIdentity *peer)
272 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
273 "Peer `%4s' disconnected (%p)!\n",
274 GNUNET_i2s (peer), cls);
279 setup_peer (struct PeerContext *p,
282 p->cfg = GNUNET_CONFIGURATION_create ();
284 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
285 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
286 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
287 GNUNET_DISK_directory_remove (p->servicehome);
290 p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
291 "gnunet-service-arm",
295 "-c", cfgname, NULL);
299 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
300 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
307 if (GNUNET_CONFIGURATION_have_value (p->cfg,
308 "transport-https", "KEY_FILE"))
309 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
310 if (key_file_p1==NULL)
311 GNUNET_asprintf(&key_file_p1,"https.key");
312 if (0 == stat (key_file_p1, &sbuf ))
314 if (0 == remove(key_file_p1))
315 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
316 "Successfully removed existing private key file `%s'\n",key_file_p1);
318 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
319 "Failed to remove private key file `%s'\n",key_file_p1);
321 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
322 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
323 if (cert_file_p1==NULL)
324 GNUNET_asprintf(&cert_file_p1,"https.cert");
325 if (0 == stat (cert_file_p1, &sbuf ))
327 if (0 == remove(cert_file_p1))
328 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
329 "Successfully removed existing certificate file `%s'\n",
332 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
333 "Failed to remove existing certificate file `%s'\n",
339 if (GNUNET_CONFIGURATION_have_value (p->cfg,
340 "transport-https", "KEY_FILE"))
341 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
342 if (key_file_p2==NULL)
343 GNUNET_asprintf(&key_file_p2,"https.key");
344 if (0 == stat (key_file_p2, &sbuf ))
346 if (0 == remove(key_file_p2))
347 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
348 "Successfully removed existing private key file `%s'\n",
351 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
352 "Failed to remove private key file `%s'\n",
355 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
356 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
357 if (cert_file_p2==NULL)
358 GNUNET_asprintf(&cert_file_p2,"https.cert");
359 if (0 == stat (cert_file_p2, &sbuf ))
361 if (0 == remove(cert_file_p2))
362 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
363 "Successfully removed existing certificate file `%s'\n",cert_file_p2);
365 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
366 "Failed to remove existing certificate file `%s'\n",cert_file_p2);
371 p->th = GNUNET_TRANSPORT_connect (p->cfg,
374 ¬ify_connect, ¬ify_disconnect);
375 GNUNET_assert (p->th != NULL);
380 try_connect (void *cls,
381 const struct GNUNET_SCHEDULER_TaskContext *tc)
383 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
384 "Asking peers to connect...\n");
385 GNUNET_TRANSPORT_try_connect (p2.th,
387 GNUNET_TRANSPORT_try_connect (p1.th,
389 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
398 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
400 GNUNET_assert (ok == 1);
402 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
407 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
408 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
412 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
413 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
415 if (is_multi_protocol)
417 setup_peer (&p1, "test_transport_api_multi_peer1.conf");
418 setup_peer (&p2, "test_transport_api_multi_peer2.conf");
422 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
423 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
427 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
428 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
432 setup_peer (&p1, "test_transport_api_udp_nat_peer1.conf");
433 setup_peer (&p2, "test_transport_api_udp_nat_peer2.conf");
437 setup_peer (&p1, "test_transport_api_http_peer1.conf");
438 setup_peer (&p2, "test_transport_api_http_peer2.conf");
442 setup_peer (&p1, "test_transport_api_https_peer1.conf");
443 setup_peer (&p2, "test_transport_api_https_peer2.conf");
447 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
448 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
450 GNUNET_assert(p1.th != NULL);
451 GNUNET_assert(p2.th != NULL);
453 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
454 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
455 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
461 static char *const argv[] = { "test-transport-api",
463 "test_transport_api_data.conf",
469 static struct GNUNET_GETOPT_CommandLineOption options[] = {
470 GNUNET_GETOPT_OPTION_END
474 setTransportOptions("test_transport_api_data.conf");
477 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
478 argv, "test-transport-api", "nohelp",
486 if (0 == stat (cert_file_p1, &sbuf ))
488 if (0 == remove(cert_file_p1))
489 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
490 "Successfully removed existing certificate file `%s'\n",cert_file_p1);
492 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
493 "Failed to remove certfile `%s'\n",cert_file_p1);
496 if (0 == stat (key_file_p1, &sbuf ))
498 if (0 == remove(key_file_p1))
499 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
500 "Successfully removed private key file `%s'\n",key_file_p1);
502 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
503 "Failed to private key file `%s'\n",key_file_p1);
506 if (0 == stat (cert_file_p2, &sbuf ))
508 if (0 == remove(cert_file_p2))
509 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
510 "Successfully removed existing certificate file `%s'\n",cert_file_p2);
512 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
513 "Failed to remove certfile `%s'\n",cert_file_p2);
516 if (0 == stat (key_file_p2, &sbuf ))
518 if (0 == remove(key_file_p2))
519 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
520 "Successfully removed private key file `%s'\n",key_file_p2);
522 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
523 "Failed to private key file `%s'\n",key_file_p2);
525 GNUNET_free(key_file_p1);
526 GNUNET_free(key_file_p2);
527 GNUNET_free(cert_file_p1);
528 GNUNET_free(cert_file_p2);
531 if ((p1.servicehome != NULL) && (p2.servicehome != NULL))
533 GNUNET_DISK_directory_remove (p1.servicehome);
534 GNUNET_DISK_directory_remove (p2.servicehome);
535 GNUNET_free(p1.servicehome);
536 GNUNET_free(p2.servicehome);
542 * Return the actual path to a file found in the current
543 * PATH environment variable.
545 * @param binary the name of the file to find
548 get_path_from_PATH (char *binary)
559 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
560 _("PATH environment variable is unset.\n"));
563 path = GNUNET_strdup (p); /* because we write on it */
564 buf = GNUNET_malloc (strlen (path) + 20);
567 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
570 sprintf (buf, "%s/%s", pos, binary);
571 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
578 sprintf (buf, "%s/%s", pos, binary);
579 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
590 * Check whether the suid bit is set on a file.
591 * Attempts to find the file using the current
592 * PATH environment variable as a search path.
594 * @param binary the name of the file to check
596 * @return GNUNET_YES if the binary is found and
597 * can be run properly, GNUNET_NO otherwise
600 check_gnunet_nat_binary(char *binary)
610 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
611 p = get_path_from_PATH (binaryexe);
614 p = get_path_from_PATH (binary);
618 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
619 _("Could not find binary `%s' in PATH!\n"),
623 if (0 != STAT (p, &statbuf))
625 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
626 _("stat (%s) failed: %s\n"),
630 return GNUNET_SYSERR;
634 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
635 (statbuf.st_uid == 0) )
639 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
640 if (INVALID_SOCKET == rawsock)
642 DWORD err = GetLastError ();
643 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
644 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
645 return GNUNET_NO; /* not running as administrator */
647 closesocket (rawsock);
653 main (int argc, char *argv[])
657 return GNUNET_SYSERR;
660 GNUNET_log_setup ("test-transport-api",
668 if (strstr(argv[0], "tcp_nat") != NULL)
670 is_tcp_nat = GNUNET_YES;
671 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
673 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
674 "`%s' not properly installed, cannot run NAT test!\n",
675 "gnunet-nat-server");
679 else if (strstr(argv[0], "tcp") != NULL)
683 else if (strstr(argv[0], "udp_nat") != NULL)
685 is_udp_nat = GNUNET_YES;
686 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
688 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
689 "`%s' not properly installed, cannot run NAT test!\n",
690 "gnunet-nat-server");
694 else if (strstr(argv[0], "udp") != NULL)
698 else if (strstr(argv[0], "unix") != NULL)
700 is_unix = GNUNET_YES;
702 else if (strstr(argv[0], "https") != NULL)
704 is_https = GNUNET_YES;
706 else if (strstr(argv[0], "http") != NULL)
708 is_http = GNUNET_YES;
710 else if (strstr(argv[0], "wlan") != NULL)
712 is_wlan = GNUNET_YES;
714 else if (strstr(argv[0], "multi") != NULL)
716 is_multi_protocol = GNUNET_YES;
724 /* end of test_transport_api.c */