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"
39 #define VERBOSE GNUNET_NO
41 #define VERBOSE_ARM GNUNET_NO
43 #define START_ARM GNUNET_YES
46 * How long until we give up on transmitting the message?
48 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
51 * How long until we give up on transmitting the message?
53 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
59 struct GNUNET_CONFIGURATION_Handle *cfg;
60 struct GNUNET_TRANSPORT_Handle *th;
61 struct GNUNET_PeerIdentity id;
63 struct GNUNET_OS_Process *arm_proc;
67 static struct PeerContext p1;
69 static struct PeerContext p2;
75 static int is_tcp_nat;
79 static int is_udp_nat;
85 static int is_multi_protocol;
87 static GNUNET_SCHEDULER_TaskIdentifier die_task;
89 static char * key_file_p1;
90 static char * cert_file_p1;
92 static char * key_file_p2;
93 static char * cert_file_p2;
96 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
98 #define OKPP do { ok++; } while (0)
106 GNUNET_assert (ok == 6);
107 GNUNET_SCHEDULER_cancel (die_task);
108 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
109 GNUNET_TRANSPORT_disconnect (p1.th);
110 GNUNET_TRANSPORT_disconnect (p2.th);
112 die_task = GNUNET_SCHEDULER_NO_TASK;
113 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transports disconnected, returning success!\n");
118 stop_arm (struct PeerContext *p)
121 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
122 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
123 GNUNET_OS_process_wait (p->arm_proc);
124 GNUNET_OS_process_close (p->arm_proc);
127 GNUNET_CONFIGURATION_destroy (p->cfg);
134 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
136 GNUNET_TRANSPORT_disconnect (p1.th);
137 GNUNET_TRANSPORT_disconnect (p2.th);
142 notify_receive (void *cls,
143 const struct GNUNET_PeerIdentity *peer,
144 const struct GNUNET_MessageHeader *message,
145 const struct GNUNET_TRANSPORT_ATS_Information *ats,
148 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ok is (%d)!\n",
151 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message of type %d from peer (%p)!\n",
152 ntohs(message->type), cls);
154 GNUNET_assert (ok == 5);
157 GNUNET_assert (MTYPE == ntohs (message->type));
158 GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
159 ntohs (message->size));
160 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message from peer (%p)!\n",
167 notify_ready (void *cls, size_t size, void *buf)
169 struct GNUNET_MessageHeader *hdr;
171 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
172 "Transmitting message to peer (%p) - %u!\n", cls, sizeof (struct GNUNET_MessageHeader));
173 GNUNET_assert (size >= 256);
174 GNUNET_assert (ok == 4);
180 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
181 hdr->type = htons (MTYPE);
184 return sizeof (struct GNUNET_MessageHeader);
188 notify_ready_connect (void *cls, size_t size, void *buf)
195 notify_connect (void *cls,
196 const struct GNUNET_PeerIdentity *peer,
197 const struct GNUNET_TRANSPORT_ATS_Information *ats,
202 GNUNET_SCHEDULER_cancel (die_task);
203 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT_TRANSMIT,
206 GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
208 256, 0, TIMEOUT, ¬ify_ready,
211 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
212 "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls);
217 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
219 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
220 "Peer `%4s' disconnected (%p)!\n",
221 GNUNET_i2s (peer), cls);
226 setup_peer (struct PeerContext *p, const char *cfgname)
228 p->cfg = GNUNET_CONFIGURATION_create ();
230 p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
231 "gnunet-service-arm",
235 "-c", cfgname, NULL);
237 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
244 if (GNUNET_CONFIGURATION_have_value (p->cfg,
245 "transport-https", "KEY_FILE"))
246 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
247 if (key_file_p1==NULL)
248 GNUNET_asprintf(&key_file_p1,"https.key");
249 if (0 == stat (key_file_p1, &sbuf ))
251 if (0 == remove(key_file_p1))
252 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p1);
254 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p1);
256 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
257 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
258 if (cert_file_p1==NULL)
259 GNUNET_asprintf(&cert_file_p1,"https.cert");
260 if (0 == stat (cert_file_p1, &sbuf ))
262 if (0 == remove(cert_file_p1))
263 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
265 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p1);
270 if (GNUNET_CONFIGURATION_have_value (p->cfg,
271 "transport-https", "KEY_FILE"))
272 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
273 if (key_file_p2==NULL)
274 GNUNET_asprintf(&key_file_p2,"https.key");
275 if (0 == stat (key_file_p2, &sbuf ))
277 if (0 == remove(key_file_p2))
278 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p2);
280 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p2);
282 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
283 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
284 if (cert_file_p2==NULL)
285 GNUNET_asprintf(&cert_file_p2,"https.cert");
286 if (0 == stat (cert_file_p2, &sbuf ))
288 if (0 == remove(cert_file_p2))
289 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
291 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p2);
296 p->th = GNUNET_TRANSPORT_connect (p->cfg,
299 ¬ify_connect, ¬ify_disconnect);
300 GNUNET_assert (p->th != NULL);
305 exchange_hello_last (void *cls,
306 const struct GNUNET_MessageHeader *message)
308 struct PeerContext *me = cls;
310 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, me);
311 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
312 "Exchanging HELLO with peer (%p)!\n", cls);
313 GNUNET_assert (ok >= 3);
315 GNUNET_assert (message != NULL);
316 GNUNET_assert (GNUNET_OK ==
317 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
320 GNUNET_assert(NULL != GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
322 sizeof (struct GNUNET_MessageHeader), 0,
324 ¬ify_ready_connect,
327 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
328 "Finished exchanging HELLOs, now waiting for transmission!\n");
332 exchange_hello (void *cls,
333 const struct GNUNET_MessageHeader *message)
335 struct PeerContext *me = cls;
337 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me);
338 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
339 "Exchanging HELLO with peer (%p)!\n", cls);
340 GNUNET_assert (ok >= 2);
342 GNUNET_assert (message != NULL);
343 GNUNET_assert (GNUNET_OK ==
344 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
347 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
348 "Received HELLO size %d\n", GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message));
350 GNUNET_TRANSPORT_offer_hello (p2.th, message);
351 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
358 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
360 GNUNET_assert (ok == 1);
362 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
367 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
368 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
370 if (is_multi_protocol)
372 setup_peer (&p1, "test_transport_api_multi_peer1.conf");
373 setup_peer (&p2, "test_transport_api_multi_peer2.conf");
377 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
378 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
382 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
383 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
387 setup_peer (&p1, "test_transport_api_udp_nat_peer1.conf");
388 setup_peer (&p2, "test_transport_api_udp_nat_peer2.conf");
392 setup_peer (&p1, "test_transport_api_http_peer1.conf");
393 setup_peer (&p2, "test_transport_api_http_peer2.conf");
397 setup_peer (&p1, "test_transport_api_https_peer1.conf");
398 setup_peer (&p2, "test_transport_api_https_peer2.conf");
400 GNUNET_assert(p1.th != NULL);
401 GNUNET_assert(p2.th != NULL);
403 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
409 static char *const argv[] = { "test-transport-api",
411 "test_transport_api_data.conf",
417 static struct GNUNET_GETOPT_CommandLineOption options[] = {
418 GNUNET_GETOPT_OPTION_END
422 setTransportOptions("test_transport_api_data.conf");
425 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
426 argv, "test-transport-api", "nohelp",
434 if (0 == stat (cert_file_p1, &sbuf ))
436 if (0 == remove(cert_file_p1))
437 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
439 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p1);
442 if (0 == stat (key_file_p1, &sbuf ))
444 if (0 == remove(key_file_p1))
445 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p1);
447 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p1);
450 if (0 == stat (cert_file_p2, &sbuf ))
452 if (0 == remove(cert_file_p2))
453 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
455 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p2);
458 if (0 == stat (key_file_p2, &sbuf ))
460 if (0 == remove(key_file_p2))
461 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p2);
463 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p2);
465 GNUNET_free(key_file_p1);
466 GNUNET_free(key_file_p2);
467 GNUNET_free(cert_file_p1);
468 GNUNET_free(cert_file_p2);
474 * Return the actual path to a file found in the current
475 * PATH environment variable.
477 * @param binary the name of the file to find
480 get_path_from_PATH (char *binary)
491 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
492 _("PATH environment variable is unset.\n"));
495 path = GNUNET_strdup (p); /* because we write on it */
496 buf = GNUNET_malloc (strlen (path) + 20);
499 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
502 sprintf (buf, "%s/%s", pos, binary);
503 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
510 sprintf (buf, "%s/%s", pos, binary);
511 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
522 * Check whether the suid bit is set on a file.
523 * Attempts to find the file using the current
524 * PATH environment variable as a search path.
526 * @param binary the name of the file to check
528 * @return GNUNET_YES if the binary is found and
529 * can be run properly, GNUNET_NO otherwise
532 check_gnunet_nat_binary(char *binary)
542 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
543 p = get_path_from_PATH (binaryexe);
546 p = get_path_from_PATH (binary);
550 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
551 _("Could not find binary `%s' in PATH!\n"),
555 if (0 != STAT (p, &statbuf))
557 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
558 _("stat (%s) failed: %s\n"),
562 return GNUNET_SYSERR;
566 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
567 (statbuf.st_uid == 0) )
571 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
572 if (INVALID_SOCKET == rawsock)
574 DWORD err = GetLastError ();
575 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
576 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
577 return GNUNET_NO; /* not running as administrator */
579 closesocket (rawsock);
585 main (int argc, char *argv[])
589 return GNUNET_SYSERR;
592 GNUNET_log_setup ("test-transport-api",
600 if (strstr(argv[0], "tcp_nat") != NULL)
602 is_tcp_nat = GNUNET_YES;
603 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
605 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
606 "`%s' not properly installed, cannot run NAT test!\n",
607 "gnunet-nat-server");
611 else if (strstr(argv[0], "tcp") != NULL)
615 else if (strstr(argv[0], "udp_nat") != NULL)
617 is_udp_nat = GNUNET_YES;
618 if (GNUNET_YES != check_gnunet_nat_binary("gnunet-nat-server"))
620 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
621 "`%s' not properly installed, cannot run NAT test!\n",
622 "gnunet-nat-server");
626 else if (strstr(argv[0], "udp") != NULL)
630 else if (strstr(argv[0], "https") != NULL)
632 is_https = GNUNET_YES;
634 else if (strstr(argv[0], "http") != NULL)
636 is_http = GNUNET_YES;
638 else if (strstr(argv[0], "multi") != NULL)
640 is_multi_protocol = GNUNET_YES;
645 if (is_multi_protocol)
647 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-multi-peer-1/");
648 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-multi-peer-2/");
652 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-1");
653 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-2");
659 /* end of test_transport_api.c */