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