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, 5)
  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 /* Globals */
  52
  53 /**
  54  * Directory to store temp data in, defined in config file
  55  */
  56 static char *test_directory;
  57
  58 struct GNUNET_TESTING_Daemon *d1;
  59
  60
  61 /* Task handle to use to schedule test failure */
  62 GNUNET_SCHEDULER_TaskIdentifier die_task;
  63
  64 /* Global return value (0 for success, anything else for failure) */
  65 static int ok;
  66
  67 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  68
  69 static struct GNUNET_GNS_Handle *gns_handle;
  70
  71 const struct GNUNET_CONFIGURATION_Handle *cfg;
  72
  73 GNUNET_HashCode bob_hash;
  74
  75 /**
  76  * Check whether peers successfully shut down.
  77  */
  78 void
  79 shutdown_callback (void *cls, const char *emsg)
  80 {
  81   if (emsg != NULL)
  82   {
  83     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  84     if (ok == 0)
  85       ok = 2;
  86   }
  87
  88   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  89 }
  90
  91 static void
  92 on_lookup_result(void *cls, uint32_t rd_count,
  93                  const struct GNUNET_NAMESTORE_RecordData *rd)
  94 {
  95   struct in_addr a;
  96   int i;
  97   char* addr;
  98
  99   if (rd_count == 0)
 100   {
 101     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 102                 "Lookup failed, rp_filtering?\n");
 103     ok = 2;
 104   }
 105   else
 106   {
 107     ok = 1;
 108     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 109     for (i=0; i<rd_count; i++)
 110     {
 111       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 112       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
 113       {
 114         memcpy(&a, rd[i].data, sizeof(a));
 115         addr = inet_ntoa(a);
 116         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 117         if (0 == strcmp(addr, TEST_IP))
 118         {
 119           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 120                     "ZKEY correctly resolved to %s!\n", addr);
 121           ok = 0;
 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_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 133                               GNUNET_YES, GNUNET_NO);
 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_HashAsciiEncoded 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_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 (d1 != NULL)
 183     GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 184                                 GNUNET_YES, GNUNET_NO);
 185   GNUNET_SCHEDULER_cancel (die_task);
 186 }
 187
 188 /**
 189  * Check if the get_handle is being used, if so stop the request.  Either
 190  * way, schedule the end_badly_cont function which actually shuts down the
 191  * test.
 192  */
 193 static void
 194 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 195 {
 196   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 197               (char *) cls);
 198   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 199   ok = 1;
 200 }
 201
 202 static void
 203 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 204           const struct GNUNET_CONFIGURATION_Handle *cfg,
 205           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 206 {
 207   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 208   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 209   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 210   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 211   struct GNUNET_CRYPTO_RsaSignature *sig;
 212   char* alice_keyfile;
 213
 214   GNUNET_SCHEDULER_cancel (die_task);
 215
 216   /* put records into namestore */
 217   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 218   if (NULL == namestore_handle)
 219   {
 220     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 221     ok = -1;
 222     return;
 223   }
 224
 225   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 226                                                           "ZONEKEY",
 227                                                           &alice_keyfile))
 228   {
 229     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 230     ok = -1;
 231     return;
 232   }
 233
 234   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 235   bob_key = GNUNET_CRYPTO_rsa_key_create ();
 236
 237   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 238   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 239
 240   struct GNUNET_NAMESTORE_RecordData rd;
 241   char* ip = TEST_IP;
 242   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 243   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 244   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 245
 246   GNUNET_CRYPTO_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 247
 248   rd.data_size = sizeof(GNUNET_HashCode);
 249   rd.data = &bob_hash;
 250   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 251
 252   GNUNET_NAMESTORE_record_create (namestore_handle,
 253                                   alice_key,
 254                                   TEST_AUTHORITY_NAME,
 255                                   &rd,
 256                                   NULL,
 257                                   NULL);
 258
 259   rd.data_size = sizeof(struct in_addr);
 260   rd.data = web;
 261   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 262   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 263                                           GNUNET_TIME_absolute_get_forever(),
 264                                           TEST_RECORD_NAME,
 265                                           &rd, 1);
 266
 267   GNUNET_NAMESTORE_record_put (namestore_handle,
 268                                &bob_pkey,
 269                                TEST_RECORD_NAME,
 270                                rd.expiration,
 271                                1,
 272                                &rd,
 273                                sig,
 274                                &commence_testing,
 275                                NULL);
 276   GNUNET_free(sig);
 277   GNUNET_CRYPTO_rsa_key_free(bob_key);
 278   GNUNET_CRYPTO_rsa_key_free(alice_key);
 279 }
 280
 281 static void
 282 run (void *cls, char *const *args, const char *cfgfile,
 283      const struct GNUNET_CONFIGURATION_Handle *c)
 284 {
 285   cfg = c;
 286    /* Get path from configuration file */
 287   if (GNUNET_YES !=
 288       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 289                                              &test_directory))
 290   {
 291     ok = 404;
 292     return;
 293   }
 294
 295
 296   /* Set up a task to end testing if peer start fails */
 297   die_task =
 298       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 299                                     "didn't start all daemons in reasonable amount of time!!!");
 300
 301   /* Start alice */
 302   d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 303                                    NULL, NULL, NULL, &do_lookup, NULL);
 304 }
 305
 306 static int
 307 check ()
 308 {
 309   int ret;
 310
 311   /* Arguments for GNUNET_PROGRAM_run */
 312   char *const argv[] = { "test-gns-simple-delegated-lookup", /* Name to give running binary */
 313     "-c",
 314     "test_gns_simple_lookup.conf",       /* Config file to use */
 315 #if VERBOSE
 316     "-L", "DEBUG",
 317 #endif
 318     NULL
 319   };
 320   struct GNUNET_GETOPT_CommandLineOption options[] = {
 321     GNUNET_GETOPT_OPTION_END
 322   };
 323   /* Run the run function as a new program */
 324   ret =
 325       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 326                           "test-gns-simple-delegated-lookup", "nohelp", options, &run,
 327                           &ok);
 328   if (ret != GNUNET_OK)
 329   {
 330     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 331                 "`test-gns-simple-delegated-lookup': Failed with error code %d\n", ret);
 332   }
 333   return ok;
 334 }
 335
 336 int
 337 main (int argc, char *argv[])
 338 {
 339   int ret;
 340
 341   GNUNET_log_setup ("test-gns-simple-lookup",
 342 #if VERBOSE
 343                     "DEBUG",
 344 #else
 345                     "WARNING",
 346 #endif
 347                     NULL);
 348   ret = check ();
 349   /**
 350    * Need to remove base directory, subdirectories taken care
 351    * of by the testing framework.
 352    */
 353   return ret;
 354 }
 355
 356 /* end of test_gns_twopeer.c */