src/gns/test_gns_revocation.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009 Christian Grothoff (and other contributing authors)
   4
   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.
   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      General Public License for more details.
  14
  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.
  19 */
  20 /**
  21  * @file gns/test_gns_revovation.c
  22  * @brief base testcase for testing zone revocation
  23  *
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_core_service.h"
  28 #include "block_dns.h"
  29 #include "gnunet_signatures.h"
  30 #include "gnunet_namestore_service.h"
  31 #include "../namestore/namestore.h"
  32 #include "gnunet_dnsparser_lib.h"
  33 #include "gnunet_gns_service.h"
  34
  35 /* DEFINES */
  36 #define VERBOSE GNUNET_YES
  37
  38 /* Timeout for entire testcase */
  39 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  40
  41 /* If number of peers not in config file, use this number */
  42 #define DEFAULT_NUM_PEERS 2
  43
  44 /* test records to resolve */
  45 #define TEST_DOMAIN "www.bob.gnunet"
  46 #define TEST_IP "127.0.0.1"
  47 #define TEST_RECORD_NAME "www"
  48
  49 #define TEST_AUTHORITY_NAME "bob"
  50
  51 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  52
  53 /* Globals */
  54
  55 /**
  56  * Directory to store temp data in, defined in config file
  57  */
  58 static char *test_directory;
  59
  60 static struct GNUNET_TESTING_PeerGroup *pg;
  61
  62 /* Task handle to use to schedule test failure */
  63 GNUNET_SCHEDULER_TaskIdentifier die_task;
  64
  65 /* Global return value (0 for success, anything else for failure) */
  66 static int ok;
  67
  68 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  69
  70 static struct GNUNET_GNS_Handle *gns_handle;
  71
  72 const struct GNUNET_CONFIGURATION_Handle *cfg;
  73
  74 /**
  75  * Check whether peers successfully shut down.
  76  */
  77 void
  78 shutdown_callback (void *cls, const char *emsg)
  79 {
  80   if (emsg != NULL)
  81   {
  82     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  83     if (ok == 0)
  84       ok = 2;
  85   }
  86
  87   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  88 }
  89
  90 static void
  91 on_lookup_result(void *cls, uint32_t rd_count,
  92                  const struct GNUNET_NAMESTORE_RecordData *rd)
  93 {
  94   struct in_addr a;
  95   int i;
  96   char* addr;
  97
  98   GNUNET_NAMESTORE_disconnect (namestore_handle);
  99   if (rd_count == 0)
 100   {
 101     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 102                 "Lookup failed, this is good!\n");
 103     ok = 0;
 104   }
 105   else
 106   {
 107     ok = 1;
 108     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "name: %s\n", (char*)cls);
 109     for (i=0; i<rd_count; i++)
 110     {
 111       GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "type: %d\n", rd[i].record_type);
 112       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 113       {
 114         memcpy(&a, rd[i].data, sizeof(a));
 115         addr = inet_ntoa(a);
 116         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "address: %s\n", addr);
 117         if (0 == strcmp(addr, TEST_IP))
 118         {
 119           GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 120                     "%s incorrectly resolved to %s!\n", TEST_DOMAIN, addr);
 121           ok = 2;
 122         }
 123       }
 124       else
 125       {
 126         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 127       }
 128     }
 129   }
 130   GNUNET_GNS_disconnect(gns_handle);
 131   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 132   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 133 }
 134
 135
 136 /**
 137  * Function scheduled to be run on the successful start of services
 138  * tries to look up the dns record for TEST_DOMAIN
 139  */
 140 static void
 141 commence_testing (void *cls, int32_t success, const char *emsg)
 142 {
 143
 144   gns_handle = GNUNET_GNS_connect(cfg);
 145
 146   if (NULL == gns_handle)
 147   {
 148     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 149                 "Failed to connect to GNS!\n");
 150   }
 151
 152   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
 153                     GNUNET_NO,
 154                     NULL,
 155                     &on_lookup_result, TEST_DOMAIN);
 156 }
 157
 158 /**
 159  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 160  * down the peers without freeing memory associated with GET request.
 161  */
 162 static void
 163 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 164 {
 165
 166   if (pg != NULL)
 167     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 168   GNUNET_SCHEDULER_cancel (die_task);
 169 }
 170
 171 /**
 172  * Check if the get_handle is being used, if so stop the request.  Either
 173  * way, schedule the end_badly_cont function which actually shuts down the
 174  * test.
 175  */
 176 static void
 177 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 178 {
 179   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 180               (char *) cls);
 181   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 182   ok = 1;
 183 }
 184
 185 static void
 186 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 187           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 188           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 189 {
 190   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 191   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 192   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 193   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 194   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 195   struct GNUNET_CRYPTO_RsaSignature *sig;
 196   char* alice_keyfile;
 197
 198   cfg = _cfg;
 199
 200   GNUNET_SCHEDULER_cancel (die_task);
 201
 202   /* put records into namestore */
 203   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 204   if (NULL == namestore_handle)
 205   {
 206     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 207     ok = -1;
 208     return;
 209   }
 210
 211   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 212                                                           "ZONEKEY",
 213                                                           &alice_keyfile))
 214   {
 215     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 216     ok = -1;
 217     return;
 218   }
 219
 220   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 221   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 222
 223   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 224   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 225
 226   struct GNUNET_NAMESTORE_RecordData rd;
 227   char* ip = TEST_IP;
 228   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 229   rd.expiration_time = UINT64_MAX;
 230   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 231
 232   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 233
 234   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 235   rd.data = &bob_hash;
 236   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 237   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 238
 239   GNUNET_NAMESTORE_record_create (namestore_handle,
 240                                   alice_key,
 241                                   TEST_AUTHORITY_NAME,
 242                                   &rd,
 243                                   NULL,
 244                                   NULL);
 245
 246   rd.data_size = sizeof(struct in_addr);
 247   rd.data = web;
 248   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 249   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 250                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 251                                           TEST_RECORD_NAME,
 252                                           &rd, 1);
 253
 254   GNUNET_NAMESTORE_record_put (namestore_handle,
 255                                &bob_pkey,
 256                                TEST_RECORD_NAME,
 257                                GNUNET_TIME_UNIT_FOREVER_ABS,
 258                                1,
 259                                &rd,
 260                                sig,
 261                                NULL,
 262                                NULL);
 263   rd.data_size = 0;
 264   rd.record_type = GNUNET_GNS_RECORD_REV;
 265
 266   GNUNET_NAMESTORE_record_create (namestore_handle,
 267                                   bob_key,
 268                                   "+",
 269                                   &rd,
 270                                   &commence_testing,
 271                                   NULL);
 272   GNUNET_free(sig);
 273   GNUNET_CRYPTO_rsa_key_free(bob_key);
 274   GNUNET_CRYPTO_rsa_key_free(alice_key);
 275 }
 276
 277 static void
 278 run (void *cls, char *const *args, const char *cfgfile,
 279      const struct GNUNET_CONFIGURATION_Handle *c)
 280 {
 281   cfg = c;
 282    /* Get path from configuration file */
 283   if (GNUNET_YES !=
 284       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 285                                              &test_directory))
 286   {
 287     ok = 404;
 288     return;
 289   }
 290
 291
 292   /* Set up a task to end testing if peer start fails */
 293   die_task =
 294       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 295                                     "didn't start all daemons in reasonable amount of time!!!");
 296
 297   /* Start alice */
 298   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 299                                     NULL, NULL, &do_lookup, NULL,
 300                                     NULL, NULL, NULL);
 301 }
 302
 303 static int
 304 check ()
 305 {
 306   int ret;
 307
 308   /* Arguments for GNUNET_PROGRAM_run */
 309   char *const argv[] = { "test-gns-revocation", /* Name to give running binary */
 310     "-c",
 311     "test_gns_simple_lookup.conf",       /* Config file to use */
 312 #if VERBOSE
 313     "-L", "DEBUG",
 314 #endif
 315     NULL
 316   };
 317   struct GNUNET_GETOPT_CommandLineOption options[] = {
 318     GNUNET_GETOPT_OPTION_END
 319   };
 320   /* Run the run function as a new program */
 321   ret =
 322       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 323                           "test-gns-revocation", "nohelp", options, &run,
 324                           &ok);
 325   if (ret != GNUNET_OK)
 326   {
 327     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 328                 "`test-gns-revocation': Failed with error code %d\n", ret);
 329   }
 330   return ok;
 331 }
 332
 333 int
 334 main (int argc, char *argv[])
 335 {
 336   int ret;
 337
 338   GNUNET_log_setup ("test-gns-revocation",
 339 #if VERBOSE
 340                     "DEBUG",
 341 #else
 342                     "WARNING",
 343 #endif
 344                     NULL);
 345   ret = check ();
 346   /**
 347    * Need to remove base directory, subdirectories taken care
 348    * of by the testing framework.
 349    */
 350   return ret;
 351 }
 352
 353 /* end of test_gns_twopeer.c */