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 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 struct GNUNET_CRYPTO_ShortHashCode bob_hash;
  75
  76 /**
  77  * Check whether peers successfully shut down.
  78  */
  79 void
  80 shutdown_callback (void *cls, const char *emsg)
  81 {
  82   if (emsg != NULL)
  83   {
  84     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  85     if (ok == 0)
  86       ok = 2;
  87   }
  88
  89   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  90 }
  91
  92 static void
  93 on_lookup_result(void *cls, uint32_t rd_count,
  94                  const struct GNUNET_NAMESTORE_RecordData *rd)
  95 {
  96   struct in_addr a;
  97   int i;
  98   char* addr;
  99
 100   if (rd_count == 0)
 101   {
 102     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 103                 "Lookup failed, rp_filtering?\n");
 104     ok = 2;
 105   }
 106   else
 107   {
 108     ok = 1;
 109     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 110     for (i=0; i<rd_count; i++)
 111     {
 112       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 113       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
 114       {
 115         memcpy(&a, rd[i].data, sizeof(a));
 116         addr = inet_ntoa(a);
 117         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 118         if (0 == strcmp(addr, TEST_IP))
 119         {
 120           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 121                     "ZKEY correctly resolved to %s!\n", addr);
 122           ok = 0;
 123         }
 124       }
 125       else
 126       {
 127         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 128       }
 129     }
 130   }
 131   GNUNET_GNS_disconnect(gns_handle);
 132   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 133   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 134 }
 135
 136
 137 /**
 138  * Function scheduled to be run on the successful start of services
 139  * tries to look up the dns record for TEST_DOMAIN
 140  */
 141 static void
 142 commence_testing (void *cls, int32_t success, const char *emsg)
 143 {
 144   char name[MAX_DNS_NAME_LENGTH];
 145   char* pos;
 146   struct GNUNET_CRYPTO_ShortHashAsciiEncoded hash_str;
 147
 148   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 149
 150   gns_handle = GNUNET_GNS_connect(cfg);
 151
 152   if (NULL == gns_handle)
 153   {
 154     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 155                 "Failed to connect to GNS!\n");
 156   }
 157
 158   pos = name;
 159   strcpy(pos, TEST_RECORD_NAME);
 160   pos += strlen(TEST_RECORD_NAME);
 161   strcpy(pos, ".");
 162   pos++;
 163   GNUNET_CRYPTO_short_hash_to_enc(&bob_hash, &hash_str);
 164   strcpy(pos, (char*)&hash_str);
 165   pos += strlen((char*)&hash_str);
 166   strcpy(pos, ".");
 167   pos++;
 168   strcpy(pos, GNUNET_GNS_TLD_ZKEY);
 169
 170   GNUNET_GNS_lookup(gns_handle, name, GNUNET_GNS_RECORD_TYPE_A,
 171                     &on_lookup_result, NULL);
 172 }
 173
 174 /**
 175  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 176  * down the peers without freeing memory associated with GET request.
 177  */
 178 static void
 179 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 180 {
 181
 182   if (pg != NULL)
 183     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 184   GNUNET_SCHEDULER_cancel (die_task);
 185 }
 186
 187 /**
 188  * Check if the get_handle is being used, if so stop the request.  Either
 189  * way, schedule the end_badly_cont function which actually shuts down the
 190  * test.
 191  */
 192 static void
 193 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 194 {
 195   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 196               (char *) cls);
 197   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 198   ok = 1;
 199 }
 200
 201 static void
 202 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 203           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 204           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 205 {
 206   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 207   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 208   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 209   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 210   struct GNUNET_CRYPTO_RsaSignature *sig;
 211   char* alice_keyfile;
 212
 213   cfg = _cfg;
 214
 215   GNUNET_SCHEDULER_cancel (die_task);
 216
 217   /* put records into namestore */
 218   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 219   if (NULL == namestore_handle)
 220   {
 221     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 222     ok = -1;
 223     return;
 224   }
 225
 226   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 227                                                           "ZONEKEY",
 228                                                           &alice_keyfile))
 229   {
 230     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 231     ok = -1;
 232     return;
 233   }
 234
 235   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 236   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 237
 238   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 239   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 240
 241   struct GNUNET_NAMESTORE_RecordData rd;
 242   char* ip = TEST_IP;
 243   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 244   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 245   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 246
 247   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 248
 249   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 250   rd.data = &bob_hash;
 251   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 252
 253   GNUNET_NAMESTORE_record_create (namestore_handle,
 254                                   alice_key,
 255                                   TEST_AUTHORITY_NAME,
 256                                   &rd,
 257                                   NULL,
 258                                   NULL);
 259
 260   rd.data_size = sizeof(struct in_addr);
 261   rd.data = web;
 262   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 263   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 264                                           GNUNET_TIME_absolute_get_forever(),
 265                                           TEST_RECORD_NAME,
 266                                           &rd, 1);
 267
 268   GNUNET_NAMESTORE_record_put (namestore_handle,
 269                                &bob_pkey,
 270                                TEST_RECORD_NAME,
 271                                rd.expiration,
 272                                1,
 273                                &rd,
 274                                sig,
 275                                &commence_testing,
 276                                NULL);
 277   GNUNET_free(sig);
 278   GNUNET_CRYPTO_rsa_key_free(bob_key);
 279   GNUNET_CRYPTO_rsa_key_free(alice_key);
 280 }
 281
 282 static void
 283 run (void *cls, char *const *args, const char *cfgfile,
 284      const struct GNUNET_CONFIGURATION_Handle *c)
 285 {
 286   cfg = c;
 287    /* Get path from configuration file */
 288   if (GNUNET_YES !=
 289       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 290                                              &test_directory))
 291   {
 292     ok = 404;
 293     return;
 294   }
 295
 296
 297   /* Set up a task to end testing if peer start fails */
 298   die_task =
 299       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 300                                     "didn't start all daemons in reasonable amount of time!!!");
 301
 302   /* Start alice */
 303   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 304                                     NULL, NULL, &do_lookup, NULL,
 305                                     NULL, NULL, 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 */