src/transport/test_plugin_transport.c

   1 /*
   2    This file is part of GNUnet.
   3    Copyright (C) 2009, 2018 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 transport/test_plugin_transport.c
  22  * @brief testcase for transport_api.c
  23  * @author Sailor Siraj
  24  * @author Christian Grothoff
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_hello_lib.h"
  30 #include "gnunet_peerinfo_service.h"
  31 #include "gnunet_statistics_service.h"
  32 #include "gnunet_protocols.h"
  33 #include "gnunet_transport_plugin.h"
  34 #include "transport.h"
  35
  36 /**
  37  * How long until we give up on transmitting the message?
  38  */
  39 #define WAIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
  40 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
  41
  42 #define HOSTKEY_FILE "test_plugin_hostkey.ecc"
  43
  44 /**
  45  * Our public key.
  46  */
  47 static struct GNUNET_PeerIdentity my_identity;
  48
  49 /**
  50  * Our private key.
  51  */
  52 static struct GNUNET_CRYPTO_EddsaPrivateKey *my_private_key;
  53
  54 /**
  55  * Our configuration.
  56  */
  57 const struct GNUNET_CONFIGURATION_Handle *cfg;
  58
  59 /**
  60  * Our configuration.
  61  */
  62 struct GNUNET_STATISTICS_Handle *stats;
  63
  64 /**
  65  * Our HELLO
  66  */
  67 struct GNUNET_HELLO_Message *hello;
  68
  69 /**
  70  * Number of neighbours we'd like to have.
  71  */
  72 static uint32_t max_connect_per_transport;
  73
  74 /**
  75  * Environment for this plugin.
  76  */
  77 struct GNUNET_TRANSPORT_PluginEnvironment env;
  78
  79 /**
  80  * handle for the api provided by this plugin
  81  */
  82 struct GNUNET_TRANSPORT_PluginFunctions *api;
  83
  84 /**
  85  * Helper handler
  86  */
  87 struct GNUNET_HELPER_Handle *suid_helper;
  88
  89 /**
  90  * Timeout task
  91  */
  92 static struct GNUNET_SCHEDULER_Task *timeout_endbadly;
  93
  94 /**
  95  * Timeout task
  96  */
  97 static struct GNUNET_SCHEDULER_Task *timeout_wait;
  98
  99 /**
 100  * Library name
 101  */
 102 static char *libname;
 103
 104 /**
 105  * Plugin addresses head
 106  */
 107 struct AddressWrapper *head;
 108
 109 /**
 110  * Plugin addresses tail
 111  */
 112 struct AddressWrapper *tail;
 113
 114 unsigned int addresses_reported;
 115
 116 unsigned int pretty_printers_running;
 117
 118 /**
 119  * Did the test pass or fail?
 120  */
 121 static int ok;
 122
 123 struct AddressWrapper
 124 {
 125   struct AddressWrapper *next;
 126
 127   struct AddressWrapper *prev;
 128
 129   struct GNUNET_HELLO_Address *address;
 130
 131   char *addrstring;
 132
 133   struct GNUNET_SCHEDULER_Task *test_task;
 134 };
 135
 136
 137 static void
 138 end ()
 139 {
 140   struct AddressWrapper *w;
 141   int c = 0;
 142
 143   ok = 0;
 144
 145   if (NULL != timeout_endbadly)
 146   {
 147     GNUNET_SCHEDULER_cancel (timeout_endbadly);
 148     timeout_endbadly = NULL;
 149   }
 150   if (NULL != api)
 151     GNUNET_PLUGIN_unload (libname, api);
 152
 153   while (NULL != head)
 154   {
 155     w = head;
 156     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 157                 "Plugin did not remove address `%s'\n",
 158                 w->addrstring);
 159     GNUNET_CONTAINER_DLL_remove (head, tail, w);
 160     c++;
 161     GNUNET_HELLO_address_free (w->address);
 162     GNUNET_free (w->addrstring);
 163     GNUNET_free (w);
 164   }
 165   if (c > 0)
 166   {
 167     GNUNET_break (0);
 168     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 169                 "Plugin did not remove %u addresses \n",
 170                 c);
 171     ok = 1;
 172   }
 173
 174   GNUNET_free (libname);
 175   libname = NULL;
 176   GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
 177   stats = NULL;
 178
 179   if (NULL != suid_helper)
 180   {
 181     GNUNET_HELPER_stop (suid_helper, GNUNET_NO);
 182     suid_helper = NULL;
 183   }
 184 }
 185
 186
 187 static void
 188 end_badly (void *cls)
 189 {
 190   struct AddressWrapper *w;
 191   int c = 0;
 192
 193   timeout_endbadly = NULL;
 194   if (NULL != timeout_wait)
 195   {
 196     GNUNET_SCHEDULER_cancel (timeout_wait);
 197     timeout_wait = NULL;
 198   }
 199
 200   if (pretty_printers_running > 0)
 201   {
 202     timeout_endbadly = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
 203                                                      &end_badly, &ok);
 204     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 205                 "Have pending calls to pretty_printer ... deferring shutdown\n");
 206     return;
 207   }
 208
 209   if (NULL != cls)
 210   {
 211     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 212                 "Test took too long to execute, timeout .... \n");
 213   }
 214
 215   if (NULL != libname)
 216   {
 217     if (NULL != api)
 218       GNUNET_PLUGIN_unload (libname, api);
 219     GNUNET_free (libname);
 220     libname = NULL;
 221   }
 222
 223   while (NULL != head)
 224   {
 225     w = head;
 226     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Plugin did not remove address `%s'\n",
 227                 w->addrstring);
 228     GNUNET_CONTAINER_DLL_remove (head, tail, w);
 229     c++;
 230     GNUNET_HELLO_address_free (w->address);
 231     if (NULL != w->test_task)
 232       GNUNET_SCHEDULER_cancel (w->test_task);
 233     GNUNET_free (w->addrstring);
 234     GNUNET_free (w);
 235   }
 236   if (c > 0)
 237   {
 238     GNUNET_break (0);
 239     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Plugin did not remove %u addresses\n",
 240                 c);
 241   }
 242
 243   if (NULL != stats)
 244   {
 245     GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
 246     stats = NULL;
 247   }
 248
 249   if (NULL != suid_helper)
 250   {
 251     GNUNET_HELPER_stop (suid_helper, GNUNET_NO);
 252     suid_helper = NULL;
 253   }
 254
 255   ok = 1;
 256 }
 257
 258 static void
 259 wait_end (void *cls)
 260 {
 261   timeout_wait = NULL;
 262   if (0 == addresses_reported)
 263     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 264                 "Plugin did not report any addresses, could not check address conversion functions\n");
 265   end ();
 266 }
 267
 268
 269 static void
 270 end_badly_now ()
 271 {
 272   if (NULL != timeout_wait)
 273   {
 274     GNUNET_SCHEDULER_cancel (timeout_wait);
 275     timeout_wait = NULL;
 276   }
 277   if (NULL != timeout_endbadly)
 278   {
 279     GNUNET_SCHEDULER_cancel (timeout_endbadly);
 280     timeout_endbadly = NULL;
 281   }
 282   timeout_endbadly = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 283 }
 284
 285
 286 static struct GNUNET_TIME_Relative
 287 env_receive (void *cls,
 288              const struct GNUNET_HELLO_Address *address,
 289              struct GNUNET_ATS_Session *session,
 290              const struct GNUNET_MessageHeader *message)
 291 {
 292   /* do nothing */
 293   return GNUNET_TIME_relative_get_zero_ ();
 294 }
 295
 296 static int got_reply;
 297
 298
 299 /**
 300  * Take the given address and append it to the set of results sent back to
 301  * the client.
 302  *
 303  * @param cls closure
 304  * @param address the address to print
 305  * @param res result code
 306  */
 307 static void
 308 address_pretty_printer_cb (void *cls, const char *address, int res)
 309 {
 310   if (NULL != address)
 311   {
 312     got_reply = GNUNET_YES;
 313     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Pretty address : `%s'\n", address);
 314     pretty_printers_running--;
 315   }
 316   else
 317   {
 318     if (GNUNET_NO == got_reply)
 319     {
 320       pretty_printers_running--;
 321       GNUNET_break (0);
 322       end_badly_now ();
 323     }
 324   }
 325 }
 326
 327
 328 static void
 329 test_addr_string (void *cls)
 330 {
 331   struct AddressWrapper *w = cls;
 332   void *s2a;
 333   size_t s2a_len;
 334
 335   w->test_task = NULL;
 336
 337   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 338               "Testing: address_to_string \n");
 339   w->addrstring = GNUNET_strdup (api->address_to_string (api,
 340                                                          w->address->address,
 341                                                          w->address->
 342                                                          address_length));
 343   if (NULL == w->addrstring)
 344   {
 345     GNUNET_break (0);
 346     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 347                 "Plugin cannot convert address to string!\n");
 348     end_badly_now ();
 349     return;
 350   }
 351   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 352               "Plugin added address `%s'\n",
 353               w->addrstring);
 354   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 355               "Testing address_to_string: OK\n");
 356   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 357               "Testing: string_to_address \n");
 358   s2a = NULL;
 359   s2a_len = 0;
 360   if ((GNUNET_OK !=
 361        api->string_to_address (api, w->addrstring,
 362                                strlen (w->addrstring) + 1,
 363                                &s2a, &s2a_len)) ||
 364       (NULL == s2a))
 365   {
 366     GNUNET_break (0);
 367     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 368                 "Plugin cannot convert string to address!\n");
 369     end_badly_now ();
 370     return;
 371   }
 372
 373   /*
 374      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 375      "Plugin creates `%s' %u\n",api->address_to_string (api, s2a, s2a_len), s2a_len);
 376
 377      int c1;
 378      for (c1 = 0; c1 < s2a_len; c1++ )
 379      fprintf (stderr, "%u == %u\n", ((char *) s2a)[c1], ((char *) w->addr)[c1]);
 380    */
 381   if (s2a_len != w->address->address_length)
 382   {
 383     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 384                 "Plugin creates different address length when converting address->string->address: %u != %u\n",
 385                 (unsigned int) w->address->address_length,
 386                 (unsigned int) s2a_len);
 387   }
 388   else if (0 != memcmp (s2a, w->address->address, s2a_len))
 389   {
 390     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 391                 "Plugin creates different address length when converting back and forth %i!\n",
 392                 memcmp (s2a,
 393                         w->address->address,
 394                         s2a_len));
 395   }
 396   else
 397   {
 398     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 399                 "Testing string_to_address: OK\n");
 400   }
 401   GNUNET_free (s2a);
 402
 403   pretty_printers_running++;
 404   api->address_pretty_printer (api->cls,
 405                                w->address->transport_name,
 406                                w->address->address,
 407                                w->address->address_length,
 408                                GNUNET_YES,
 409                                GNUNET_TIME_UNIT_MINUTES,
 410                                &address_pretty_printer_cb, w);
 411
 412   if (GNUNET_OK !=
 413       api->check_address (api->cls,
 414                           w->address->address,
 415                           w->address->address_length))
 416   {
 417     GNUNET_break (0);
 418     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 419                 "Plugin refuses added address!\n");
 420     end_badly_now ();
 421     return;
 422   }
 423   if (NULL != timeout_wait)
 424   {
 425     GNUNET_SCHEDULER_cancel (timeout_wait);
 426     timeout_wait = NULL;
 427   }
 428   timeout_wait = GNUNET_SCHEDULER_add_delayed (WAIT, &wait_end, NULL);
 429 }
 430
 431
 432 static void
 433 env_notify_address (void *cls,
 434                     int add_remove,
 435                     const struct GNUNET_HELLO_Address *address)
 436 {
 437   struct AddressWrapper *w;
 438   struct AddressWrapper *wtmp;
 439
 440   if (GNUNET_YES == add_remove)
 441   {
 442     addresses_reported++;
 443     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 444                 "Adding address of length %u\n",
 445                 (unsigned int) address->address_length);
 446
 447     for (wtmp = head; NULL != wtmp; wtmp = wtmp->next)
 448     {
 449       if ((address->address_length == wtmp->address->address_length) &&
 450           (0 == memcmp (address->address, wtmp->address->address,
 451                         address->address_length)))
 452       {
 453         GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 454                     "Duplicate address notification .... \n");
 455         return;
 456       }
 457     }
 458
 459     w = GNUNET_new (struct AddressWrapper);
 460     w->address = GNUNET_HELLO_address_copy (address);
 461     GNUNET_CONTAINER_DLL_insert (head, tail, w);
 462     got_reply = GNUNET_NO;
 463     w->test_task = GNUNET_SCHEDULER_add_now (&test_addr_string,
 464                                              w);
 465     return;
 466   }
 467
 468   if (GNUNET_NO == add_remove)
 469   {
 470     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 471                 "Removing address of length %u\n",
 472                 (unsigned int) address->address_length);
 473     w = head;
 474     while (NULL != w)
 475     {
 476       if ((address->address_length == w->address->address_length) &&
 477           (0 == memcmp (w->address->address, address->address,
 478                         address->address_length)))
 479       {
 480         break;
 481       }
 482       w = w->next;
 483     }
 484
 485     if (w == NULL)
 486     {
 487       GNUNET_break (0);
 488       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 489                   "Plugin removes address never added!\n");
 490       end_badly_now ();
 491       return;
 492     }
 493
 494     GNUNET_CONTAINER_DLL_remove (head, tail, w);
 495     GNUNET_HELLO_address_free (w->address);
 496     GNUNET_free (w->addrstring);
 497     GNUNET_free (w);
 498     return;
 499   }
 500   GNUNET_break (0);
 501   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 502               "Invalid operation: %u\n",
 503               add_remove);
 504   end_badly_now ();
 505 }
 506
 507
 508 static enum GNUNET_NetworkType
 509 env_get_address_type (void *cls,
 510                       const struct sockaddr *addr,
 511                       size_t addrlen)
 512 {
 513   return GNUNET_NT_LOOPBACK;
 514 }
 515
 516
 517 static const struct GNUNET_MessageHeader *
 518 env_get_our_hello ()
 519 {
 520   return (const struct GNUNET_MessageHeader *) hello;
 521 }
 522
 523
 524 static void
 525 env_session_end (void *cls,
 526                  const struct GNUNET_HELLO_Address *address,
 527                  struct GNUNET_ATS_Session *session)
 528 {
 529 }
 530
 531
 532 static void
 533 env_update_distance (void *cls,
 534                      const struct GNUNET_HELLO_Address *address,
 535                      uint32_t distance)
 536 {
 537 }
 538
 539
 540 static void
 541 setup_plugin_environment ()
 542 {
 543   env.cfg = cfg;
 544   env.cls = &env;
 545   env.my_identity = &my_identity;
 546   env.max_connections = max_connect_per_transport;
 547   env.stats = stats;
 548   env.receive = &env_receive;
 549   env.notify_address = &env_notify_address;
 550   env.get_address_type = &env_get_address_type;
 551   env.update_address_distance = &env_update_distance;
 552   env.get_our_hello = &env_get_our_hello;
 553   env.session_end = &env_session_end;
 554 }
 555
 556
 557 static int
 558 handle_helper_message (void *cls,
 559                        const struct GNUNET_MessageHeader *hdr)
 560 {
 561   return GNUNET_OK;
 562 }
 563
 564
 565 /**
 566  * Runs the test.
 567  *
 568  * @param cls closure
 569  * @param c configuration to use
 570  */
 571 static void
 572 run (void *cls,
 573      char *const *args,
 574      const char *cfgfile,
 575      const struct GNUNET_CONFIGURATION_Handle *c)
 576 {
 577   char *const *argv = cls;
 578   unsigned long long tneigh;
 579   char *keyfile;
 580   char *plugin;
 581   char *sep;
 582
 583   timeout_endbadly = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 584                                                    &end_badly,
 585                                                    &ok);
 586   cfg = c;
 587   /* parse configuration */
 588   if ((GNUNET_OK !=
 589        GNUNET_CONFIGURATION_get_value_number (c,
 590                                               "TRANSPORT",
 591                                               "NEIGHBOUR_LIMIT",
 592                                               &tneigh)) ||
 593       (GNUNET_OK !=
 594        GNUNET_CONFIGURATION_get_value_filename (c,
 595                                                 "PEER",
 596                                                 "PRIVATE_KEY",
 597                                                 &keyfile)))
 598   {
 599     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 600                 "Transport service is lacking key configuration settings.  Exiting.\n");
 601     return;
 602   }
 603
 604   if (NULL == (stats = GNUNET_STATISTICS_create ("transport",
 605                                                  cfg)))
 606   {
 607     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 608                 "Could not create statistics.  Exiting.\n");
 609     GNUNET_free (keyfile);
 610     end_badly_now ();
 611     return;
 612   }
 613
 614   if (GNUNET_OK != GNUNET_DISK_file_test (HOSTKEY_FILE))
 615   {
 616     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 617                 "Hostkey `%s' missing.  Exiting.\n",
 618                 HOSTKEY_FILE);
 619     GNUNET_free (keyfile);
 620     end_badly_now ();
 621     return;
 622   }
 623
 624   if (GNUNET_OK !=
 625       GNUNET_DISK_directory_create_for_file (keyfile))
 626   {
 627     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 628                 "Could not create a directory for hostkey `%s'.  Exiting.\n",
 629                 keyfile);
 630     GNUNET_free (keyfile);
 631     end_badly_now ();
 632     return;
 633   }
 634
 635   if (GNUNET_OK !=
 636       GNUNET_DISK_file_copy (HOSTKEY_FILE,
 637                              keyfile))
 638   {
 639     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 640                 "Could not copy hostkey `%s' to destination `%s'.  Exiting.\n",
 641                 HOSTKEY_FILE,
 642                 keyfile);
 643     GNUNET_free (keyfile);
 644     end_badly_now ();
 645     return;
 646   }
 647
 648   max_connect_per_transport = (uint32_t) tneigh;
 649   my_private_key = GNUNET_CRYPTO_eddsa_key_create_from_file (keyfile);
 650   GNUNET_free (keyfile);
 651   if (NULL == my_private_key)
 652   {
 653     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 654                 "Could not access hostkey.  Exiting.\n");
 655     end_badly_now ();
 656     return;
 657   }
 658   GNUNET_CRYPTO_eddsa_key_get_public (my_private_key, &my_identity.public_key);
 659
 660   hello = GNUNET_HELLO_create (&my_identity.public_key, NULL, NULL, GNUNET_NO);
 661
 662   /* load plugins... */
 663   setup_plugin_environment ();
 664
 665   GNUNET_assert (strlen (argv[0]) > strlen ("test_plugin_"));
 666   plugin = strstr (argv[0], "test_plugin_");
 667   sep = strrchr (argv[0], '.');
 668   if (NULL == plugin)
 669   {
 670     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Not a valid test name\n");
 671     end_badly_now ();
 672     return;
 673   }
 674   plugin += strlen ("test_plugin_");
 675   if (NULL != sep)
 676     sep[0] = '\0';
 677
 678   /* Hack for WLAN: start a second helper */
 679   if (0 == strcmp (plugin, "wlan"))
 680   {
 681     char *helper_argv[3];
 682     helper_argv[0] = (char *) "gnunet-helper-transport-wlan-dummy";
 683     helper_argv[1] = (char *) "2";
 684     helper_argv[2] = NULL;
 685     suid_helper = GNUNET_HELPER_start (GNUNET_NO,
 686                                        "gnunet-helper-transport-wlan-dummy",
 687                                        helper_argv,
 688                                        &handle_helper_message, NULL, NULL);
 689   }
 690
 691   /* Loading plugin */
 692   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Loading transport plugin %s\n", plugin);
 693   GNUNET_asprintf (&libname, "libgnunet_plugin_transport_%s", plugin);
 694   api = GNUNET_PLUGIN_load (libname, &env);
 695   if (NULL == api)
 696   {
 697     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 698                 "Failed to load transport plugin for %s\n", plugin);
 699     end_badly_now ();
 700     return;
 701   }
 702
 703   timeout_wait = GNUNET_SCHEDULER_add_delayed (WAIT, &wait_end, NULL);
 704
 705   /* Check if all functions are implemented */
 706   if (NULL == api->address_pretty_printer)
 707   {
 708     GNUNET_break (0);
 709     end_badly_now ();
 710     return;
 711   }
 712   if (NULL == api->address_to_string)
 713   {
 714     GNUNET_break (0);
 715     end_badly_now ();
 716     return;
 717   }
 718   GNUNET_assert (NULL != api->check_address);
 719   if (NULL == api->check_address)
 720   {
 721     GNUNET_break (0);
 722     end_badly_now ();
 723     return;
 724   }
 725   GNUNET_assert (NULL != api->disconnect_peer);
 726   if (NULL == api->disconnect_peer)
 727   {
 728     GNUNET_break (0);
 729     end_badly_now ();
 730     return;
 731   }
 732   GNUNET_assert (NULL != api->get_session);
 733   if (NULL == api->get_session)
 734   {
 735     GNUNET_break (0);
 736     end_badly_now ();
 737     return;
 738   }
 739   if (NULL == api->address_pretty_printer)
 740   {
 741     GNUNET_break (0);
 742     end_badly_now ();
 743     return;
 744   }
 745   if (NULL == api->string_to_address)
 746   {
 747     GNUNET_break (0);
 748     end_badly_now ();
 749     return;
 750   }
 751 }
 752
 753
 754 /**
 755  * The main function for the test
 756  *
 757  * @param argc number of arguments from the command line
 758  * @param argv command line arguments
 759  * @return 0 ok, 1 on error
 760  */
 761 int
 762 main (int argc,
 763       char *const *argv)
 764 {
 765   static struct GNUNET_GETOPT_CommandLineOption options[] = {
 766     GNUNET_GETOPT_OPTION_END
 767   };
 768   int ret;
 769   char *const argv_prog[] = {
 770     "test_plugin_transport",
 771     "-c",
 772     "test_plugin_transport_data.conf",
 773     NULL
 774   };
 775
 776   GNUNET_log_setup ("test-plugin-transport",
 777                     "WARNING",
 778                     NULL);
 779   GNUNET_DISK_purge_cfg_dir ("test_plugin_transport_data.conf",
 780                              "GNUNET_TEST_HOME");
 781   ok = 1; /* set to fail */
 782   ret =
 783     (GNUNET_OK
 784      == GNUNET_PROGRAM_run (3, argv_prog, "test-plugin-transport",
 785                             "testcase", options, &run, (void *) argv)) ? ok : 1;
 786   GNUNET_DISK_purge_cfg_dir ("test_plugin_transport_data.conf",
 787                              "GNUNET_TEST_HOME");
 788   return ret;
 789 }
 790
 791 /* end of test_plugin_transport.c */