src/gns/test_gns_simple_zkey_lookup.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_simple_zkey_lookup.c
  22  * @brief base testcase for testing zkey lookup
  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 #include "gns.h"
  35
  36 /* DEFINES */
  37 #define VERBOSE GNUNET_YES
  38
  39 /* Timeout for entire testcase */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  41
  42 /* If number of peers not in config file, use this number */
  43 #define DEFAULT_NUM_PEERS 2
  44
  45 /* test records to resolve */
  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 struct GNUNET_TESTING_Daemon *d1;
  61
  62
  63 /* Task handle to use to schedule test failure */
  64 GNUNET_SCHEDULER_TaskIdentifier die_task;
  65
  66 /* Global return value (0 for success, anything else for failure) */
  67 static int ok;
  68
  69 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  70
  71 static struct GNUNET_GNS_Handle *gns_handle;
  72
  73 const struct GNUNET_CONFIGURATION_Handle *cfg;
  74
  75 struct GNUNET_CRYPTO_ShortHashCode bob_hash;
  76
  77 /**
  78  * Check whether peers successfully shut down.
  79  */
  80 void
  81 shutdown_callback (void *cls, const char *emsg)
  82 {
  83   if (emsg != NULL)
  84   {
  85     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  86     if (ok == 0)
  87       ok = 2;
  88   }
  89
  90   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  91 }
  92
  93 static void
  94 on_lookup_result(void *cls, uint32_t rd_count,
  95                  const struct GNUNET_NAMESTORE_RecordData *rd)
  96 {
  97   struct in_addr a;
  98   int i;
  99   char* addr;
 100
 101   if (rd_count == 0)
 102   {
 103     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 104                 "Lookup failed, rp_filtering?\n");
 105     ok = 2;
 106   }
 107   else
 108   {
 109     ok = 1;
 110     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 111     for (i=0; i<rd_count; i++)
 112     {
 113       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 114       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
 115       {
 116         memcpy(&a, rd[i].data, sizeof(a));
 117         addr = inet_ntoa(a);
 118         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 119         if (0 == strcmp(addr, TEST_IP))
 120         {
 121           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 122                     "ZKEY correctly resolved to %s!\n", addr);
 123           ok = 0;
 124         }
 125       }
 126       else
 127       {
 128         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 129       }
 130     }
 131   }
 132   GNUNET_GNS_disconnect(gns_handle);
 133   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 134   GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 135                               GNUNET_YES, GNUNET_NO);
 136 }
 137
 138
 139 /**
 140  * Function scheduled to be run on the successful start of services
 141  * tries to look up the dns record for TEST_DOMAIN
 142  */
 143 static void
 144 commence_testing (void *cls, int32_t success, const char *emsg)
 145 {
 146   char name[MAX_DNS_NAME_LENGTH];
 147   char* pos;
 148   struct GNUNET_CRYPTO_ShortHashAsciiEncoded hash_str;
 149
 150   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 151
 152   gns_handle = GNUNET_GNS_connect(cfg);
 153
 154   if (NULL == gns_handle)
 155   {
 156     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 157                 "Failed to connect to GNS!\n");
 158   }
 159
 160   pos = name;
 161   strcpy(pos, TEST_RECORD_NAME);
 162   pos += strlen(TEST_RECORD_NAME);
 163   strcpy(pos, ".");
 164   pos++;
 165   GNUNET_CRYPTO_short_hash_to_enc(&bob_hash, &hash_str);
 166   strcpy(pos, (char*)&hash_str);
 167   pos += strlen((char*)&hash_str);
 168   strcpy(pos, ".");
 169   pos++;
 170   strcpy(pos, GNUNET_GNS_TLD_ZKEY);
 171
 172   GNUNET_GNS_lookup(gns_handle, name, GNUNET_GNS_RECORD_TYPE_A,
 173                     &on_lookup_result, NULL);
 174 }
 175
 176 /**
 177  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 178  * down the peers without freeing memory associated with GET request.
 179  */
 180 static void
 181 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 182 {
 183
 184   if (d1 != NULL)
 185     GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 186                                 GNUNET_YES, GNUNET_NO);
 187   GNUNET_SCHEDULER_cancel (die_task);
 188 }
 189
 190 /**
 191  * Check if the get_handle is being used, if so stop the request.  Either
 192  * way, schedule the end_badly_cont function which actually shuts down the
 193  * test.
 194  */
 195 static void
 196 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 197 {
 198   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 199               (char *) cls);
 200   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 201   ok = 1;
 202 }
 203
 204 static void
 205 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 206           const struct GNUNET_CONFIGURATION_Handle *cfg,
 207           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 208 {
 209   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 210   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 211   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 212   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 213   struct GNUNET_CRYPTO_RsaSignature *sig;
 214   char* alice_keyfile;
 215
 216   GNUNET_SCHEDULER_cancel (die_task);
 217
 218   /* put records into namestore */
 219   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 220   if (NULL == namestore_handle)
 221   {
 222     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 223     ok = -1;
 224     return;
 225   }
 226
 227   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 228                                                           "ZONEKEY",
 229                                                           &alice_keyfile))
 230   {
 231     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 232     ok = -1;
 233     return;
 234   }
 235
 236   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 237   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 238
 239   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 240   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 241
 242   struct GNUNET_NAMESTORE_RecordData rd;
 243   char* ip = TEST_IP;
 244   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 245   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 246   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 247
 248   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 249
 250   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 251   rd.data = &bob_hash;
 252   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 253
 254   GNUNET_NAMESTORE_record_create (namestore_handle,
 255                                   alice_key,
 256                                   TEST_AUTHORITY_NAME,
 257                                   &rd,
 258                                   NULL,
 259                                   NULL);
 260
 261   rd.data_size = sizeof(struct in_addr);
 262   rd.data = web;
 263   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 264   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 265                                           GNUNET_TIME_absolute_get_forever(),
 266                                           TEST_RECORD_NAME,
 267                                           &rd, 1);
 268
 269   GNUNET_NAMESTORE_record_put (namestore_handle,
 270                                &bob_pkey,
 271                                TEST_RECORD_NAME,
 272                                rd.expiration,
 273                                1,
 274                                &rd,
 275                                sig,
 276                                &commence_testing,
 277                                NULL);
 278   GNUNET_free(sig);
 279   GNUNET_CRYPTO_rsa_key_free(bob_key);
 280   GNUNET_CRYPTO_rsa_key_free(alice_key);
 281 }
 282
 283 static void
 284 run (void *cls, char *const *args, const char *cfgfile,
 285      const struct GNUNET_CONFIGURATION_Handle *c)
 286 {
 287   cfg = c;
 288    /* Get path from configuration file */
 289   if (GNUNET_YES !=
 290       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 291                                              &test_directory))
 292   {
 293     ok = 404;
 294     return;
 295   }
 296
 297
 298   /* Set up a task to end testing if peer start fails */
 299   die_task =
 300       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 301                                     "didn't start all daemons in reasonable amount of time!!!");
 302
 303   /* Start alice */
 304   d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 305                                    NULL, NULL, NULL, &do_lookup, NULL);
 306 }
 307
 308 static int
 309 check ()
 310 {
 311   int ret;
 312
 313   /* Arguments for GNUNET_PROGRAM_run */
 314   char *const argv[] = { "test-gns-simple-delegated-lookup", /* Name to give running binary */
 315     "-c",
 316     "test_gns_simple_lookup.conf",       /* Config file to use */
 317 #if VERBOSE
 318     "-L", "DEBUG",
 319 #endif
 320     NULL
 321   };
 322   struct GNUNET_GETOPT_CommandLineOption options[] = {
 323     GNUNET_GETOPT_OPTION_END
 324   };
 325   /* Run the run function as a new program */
 326   ret =
 327       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 328                           "test-gns-simple-delegated-lookup", "nohelp", options, &run,
 329                           &ok);
 330   if (ret != GNUNET_OK)
 331   {
 332     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 333                 "`test-gns-simple-delegated-lookup': Failed with error code %d\n", ret);
 334   }
 335   return ok;
 336 }
 337
 338 int
 339 main (int argc, char *argv[])
 340 {
 341   int ret;
 342
 343   GNUNET_log_setup ("test-gns-simple-lookup",
 344 #if VERBOSE
 345                     "DEBUG",
 346 #else
 347                     "WARNING",
 348 #endif
 349                     NULL);
 350   ret = check ();
 351   /**
 352    * Need to remove base directory, subdirectories taken care
 353    * of by the testing framework.
 354    */
 355   return ret;
 356 }
 357
 358 /* end of test_gns_twopeer.c */