src/gns/test_gns_simple_mx_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_mx_lookup.c
  22  * @brief base testcase for testing GNS MX lookups
  23  *
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib-new.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 "bob.gads"
  46 #define TEST_IP "127.0.0.1"
  47 #define TEST_RECORD_NAME "mail"
  48 #define TEST_MX_NAME "mail.+"
  49 #define TEST_EXPECTED_MX "mail.bob.gads"
  50
  51 #define TEST_AUTHORITY_NAME "bob"
  52
  53 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  54
  55 /* Globals */
  56
  57
  58 /* Task handle to use to schedule test failure */
  59 GNUNET_SCHEDULER_TaskIdentifier die_task;
  60
  61 /* Global return value (0 for success, anything else for failure) */
  62 static int ok;
  63
  64 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  65
  66 static struct GNUNET_GNS_Handle *gns_handle;
  67
  68 const struct GNUNET_CONFIGURATION_Handle *cfg;
  69
  70
  71 /**
  72  * Check if the get_handle is being used, if so stop the request.  Either
  73  * way, schedule the end_badly_cont function which actually shuts down the
  74  * test.
  75  */
  76 static void
  77 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   die_task = GNUNET_SCHEDULER_NO_TASK;
  80   if (NULL != gns_handle)
  81   {
  82     GNUNET_GNS_disconnect(gns_handle);
  83     gns_handle = NULL;
  84   }
  85
  86   if (NULL != namestore_handle)
  87   {
  88     GNUNET_NAMESTORE_disconnect (namestore_handle);
  89     namestore_handle = NULL;
  90   }
  91   GNUNET_break (0);
  92   GNUNET_SCHEDULER_shutdown ();
  93   ok = 1;
  94 }
  95
  96 static void
  97 end_badly_now ()
  98 {
  99   GNUNET_SCHEDULER_cancel (die_task);
 100   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 101 }
 102
 103
 104 static void shutdown_task (void *cls,
 105                            const struct GNUNET_SCHEDULER_TaskContext *tc)
 106 {
 107   GNUNET_GNS_disconnect(gns_handle);
 108   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 109   GNUNET_SCHEDULER_shutdown ();
 110 }
 111
 112 static void
 113 on_lookup_result(void *cls, uint32_t rd_count,
 114                  const struct GNUNET_NAMESTORE_RecordData *rd)
 115 {
 116   int i;
 117   uint16_t mx_preference;
 118   char* mx;
 119
 120   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 121   {
 122       GNUNET_SCHEDULER_cancel (die_task);
 123       die_task = GNUNET_SCHEDULER_NO_TASK;
 124   }
 125
 126   GNUNET_NAMESTORE_disconnect (namestore_handle);
 127   if (rd_count == 0)
 128   {
 129     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 130                 "Lookup failed, rp_filtering?\n");
 131     ok = 2;
 132   }
 133   else
 134   {
 135     ok = 1;
 136     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 137     for (i=0; i<rd_count; i++)
 138     {
 139       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 140       if (rd[i].record_type == GNUNET_GNS_RECORD_MX)
 141       {
 142         mx = (char*)rd[i].data+sizeof(uint16_t);
 143         mx_preference = *(uint16_t*)rd[i].data;
 144         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 145                     "Got MX %s with preference %d\n", mx, mx_preference);
 146         if (0 == strcmp(mx, TEST_EXPECTED_MX))
 147         {
 148           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 149                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 150                       TEST_EXPECTED_MX);
 151           ok = 0;
 152         }
 153       }
 154     }
 155   }
 156
 157   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 158
 159 }
 160
 161
 162 /**
 163  * Function scheduled to be run on the successful start of services
 164  * tries to look up the dns record for TEST_DOMAIN
 165  */
 166 static void
 167 commence_testing (void *cls, int32_t success, const char *emsg)
 168 {
 169   gns_handle = GNUNET_GNS_connect(cfg);
 170   if (NULL == gns_handle)
 171   {
 172     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 173                 "Failed to connect to GNS!\n");
 174     end_badly_now();
 175     return;
 176   }
 177   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_MX,
 178                     GNUNET_NO,
 179                     NULL,
 180                     &on_lookup_result, TEST_DOMAIN);
 181 }
 182
 183
 184 static void
 185 do_check (void *cls,
 186           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 187           struct GNUNET_TESTING_Peer *peer)
 188 {
 189   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 190   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 191   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 192   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 193   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 194   struct GNUNET_CRYPTO_RsaSignature *sig;
 195   char* alice_keyfile;
 196   struct GNUNET_TIME_Absolute et;
 197
 198   cfg = ccfg;
 199   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 200
 201   /* put records into namestore */
 202   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 203   if (NULL == namestore_handle)
 204   {
 205     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 206     end_badly_now();
 207     return;
 208   }
 209
 210   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 211                                                           "ZONEKEY",
 212                                                           &alice_keyfile))
 213   {
 214     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 215     end_badly_now();
 216     return;
 217   }
 218
 219   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 220   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 221
 222   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 223   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 224
 225   struct GNUNET_NAMESTORE_RecordData rd;
 226   char* ip = TEST_IP;
 227   struct in_addr *mail = GNUNET_malloc(sizeof(struct in_addr));
 228   char *mx_record;
 229   uint16_t mx_preference = 1;
 230   rd.expiration_time = UINT64_MAX;
 231   GNUNET_assert(1 == inet_pton (AF_INET, ip, mail));
 232
 233   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 234
 235   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 236   rd.data = &bob_hash;
 237   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 238   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 239
 240   GNUNET_NAMESTORE_record_create (namestore_handle,
 241                                   alice_key,
 242                                   TEST_AUTHORITY_NAME,
 243                                   &rd,
 244                                   NULL,
 245                                   NULL);
 246
 247   rd.data_size = sizeof(struct in_addr);
 248   rd.data = mail;
 249   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 250   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 251                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 252                                           TEST_RECORD_NAME,
 253                                           &rd, 1);
 254   et.abs_value = rd.expiration_time;
 255   GNUNET_NAMESTORE_record_put (namestore_handle,
 256                                &bob_pkey,
 257                                TEST_RECORD_NAME,
 258                                et,
 259                                1,
 260                                &rd,
 261                                sig,
 262                                NULL,
 263                                NULL);
 264   GNUNET_free (sig);
 265
 266   rd.data_size = sizeof(struct GNUNET_DNSPARSER_MxRecord)+strlen(TEST_MX_NAME)+1;
 267   mx_record = GNUNET_malloc(sizeof(struct GNUNET_DNSPARSER_MxRecord)+strlen(TEST_MX_NAME)+1);
 268   memcpy(mx_record, &mx_preference, sizeof(uint16_t));
 269   strcpy(mx_record+sizeof(uint16_t), TEST_MX_NAME);
 270   rd.data = mx_record;
 271   rd.record_type = GNUNET_GNS_RECORD_MX;
 272   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 273                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 274                                           "+",
 275                                           &rd, 1);
 276   et.abs_value = rd.expiration_time;
 277   GNUNET_NAMESTORE_record_put (namestore_handle,
 278                                &bob_pkey,
 279                                "+",
 280                                et,
 281                                1,
 282                                &rd,
 283                                sig,
 284                                &commence_testing,
 285                                NULL);
 286
 287   GNUNET_free (alice_keyfile);
 288   GNUNET_free (mx_record);
 289   GNUNET_free (mail);
 290   GNUNET_free (sig);
 291   GNUNET_CRYPTO_rsa_key_free (bob_key);
 292   GNUNET_CRYPTO_rsa_key_free (alice_key);
 293 }
 294
 295
 296 int
 297 main (int argc, char *argv[])
 298 {
 299   ok = 1;
 300
 301   GNUNET_log_setup ("test-gns-simple-mx-lookup",
 302 #if VERBOSE
 303                     "DEBUG",
 304 #else
 305                     "WARNING",
 306 #endif
 307                     NULL);
 308   GNUNET_TESTING_peer_run ("test-gns-simple-mx-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 309   return ok;
 310 }
 311
 312 /* end of test_gns_simple_mx_lookup.c */