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.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 /* Timeout for entire testcase */
  36 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  37
  38 /* test records to resolve */
  39 #define TEST_DOMAIN "bob.gads"
  40 #define TEST_IP "127.0.0.1"
  41 #define TEST_RECORD_NAME "mail"
  42 #define TEST_MX_NAME "mail.+"
  43 #define TEST_EXPECTED_MX "mail.bob.gads"
  44
  45 #define TEST_AUTHORITY_NAME "bob"
  46
  47 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  48
  49 /* Task handle to use to schedule test failure */
  50 static GNUNET_SCHEDULER_TaskIdentifier die_task;
  51
  52 /* Global return value (0 for success, anything else for failure) */
  53 static int ok;
  54
  55 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  56
  57 static struct GNUNET_GNS_Handle *gns_handle;
  58
  59 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  60
  61
  62 /**
  63  * Check if the get_handle is being used, if so stop the request.  Either
  64  * way, schedule the end_badly_cont function which actually shuts down the
  65  * test.
  66  */
  67 static void
  68 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  69 {
  70   die_task = GNUNET_SCHEDULER_NO_TASK;
  71   if (NULL != gns_handle)
  72   {
  73     GNUNET_GNS_disconnect(gns_handle);
  74     gns_handle = NULL;
  75   }
  76
  77   if (NULL != namestore_handle)
  78   {
  79     GNUNET_NAMESTORE_disconnect (namestore_handle);
  80     namestore_handle = NULL;
  81   }
  82   GNUNET_break (0);
  83   GNUNET_SCHEDULER_shutdown ();
  84   ok = 1;
  85 }
  86
  87
  88 static void
  89 end_badly_now ()
  90 {
  91   GNUNET_SCHEDULER_cancel (die_task);
  92   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
  93 }
  94
  95
  96 static void
  97 shutdown_task (void *cls,
  98                const struct GNUNET_SCHEDULER_TaskContext *tc)
  99 {
 100   GNUNET_GNS_disconnect(gns_handle);
 101   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 102   GNUNET_SCHEDULER_shutdown ();
 103 }
 104
 105
 106 static void
 107 on_lookup_result(void *cls, uint32_t rd_count,
 108                  const struct GNUNET_NAMESTORE_RecordData *rd)
 109 {
 110   int i;
 111   uint16_t mx_preference;
 112   char* mx;
 113
 114   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 115   {
 116       GNUNET_SCHEDULER_cancel (die_task);
 117       die_task = GNUNET_SCHEDULER_NO_TASK;
 118   }
 119
 120   GNUNET_NAMESTORE_disconnect (namestore_handle);
 121   if (rd_count == 0)
 122   {
 123     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 124                 "Lookup failed, rp_filtering?\n");
 125     ok = 2;
 126   }
 127   else
 128   {
 129     ok = 1;
 130     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 131     for (i=0; i<rd_count; i++)
 132     {
 133       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 134       if (rd[i].record_type == GNUNET_GNS_RECORD_MX)
 135       {
 136         mx = (char*)rd[i].data+sizeof(uint16_t);
 137         mx_preference = *(uint16_t*)rd[i].data;
 138         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 139                     "Got MX %s with preference %d\n", mx, mx_preference);
 140         if (0 == strcmp(mx, TEST_EXPECTED_MX))
 141         {
 142           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 143                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 144                       TEST_EXPECTED_MX);
 145           ok = 0;
 146         }
 147       }
 148     }
 149   }
 150
 151   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 152
 153 }
 154
 155
 156 /**
 157  * Function scheduled to be run on the successful start of services
 158  * tries to look up the dns record for TEST_DOMAIN
 159  */
 160 static void
 161 commence_testing (void *cls, int32_t success, const char *emsg)
 162 {
 163   gns_handle = GNUNET_GNS_connect(cfg);
 164   if (NULL == gns_handle)
 165   {
 166     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 167                 "Failed to connect to GNS!\n");
 168     end_badly_now();
 169     return;
 170   }
 171   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_MX,
 172                     GNUNET_NO,
 173                     NULL,
 174                     &on_lookup_result, TEST_DOMAIN);
 175 }
 176
 177
 178 static void
 179 do_check (void *cls,
 180           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 181           struct GNUNET_TESTING_Peer *peer)
 182 {
 183   struct GNUNET_CRYPTO_EccPublicKey alice_pkey;
 184   struct GNUNET_CRYPTO_EccPublicKey bob_pkey;
 185   struct GNUNET_CRYPTO_EccPrivateKey *alice_key;
 186   struct GNUNET_CRYPTO_EccPrivateKey *bob_key;
 187   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 188   struct GNUNET_CRYPTO_EccSignature *sig;
 189   char* alice_keyfile;
 190   struct GNUNET_TIME_Absolute et;
 191
 192   cfg = ccfg;
 193   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 194
 195   /* put records into namestore */
 196   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 197   if (NULL == namestore_handle)
 198   {
 199     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 200     end_badly_now();
 201     return;
 202   }
 203
 204   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 205                                                           "ZONEKEY",
 206                                                           &alice_keyfile))
 207   {
 208     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 209     end_badly_now();
 210     return;
 211   }
 212
 213   alice_key = GNUNET_CRYPTO_ecc_key_create_from_file (alice_keyfile);
 214   bob_key = GNUNET_CRYPTO_ecc_key_create_from_file (KEYFILE_BOB);
 215
 216   GNUNET_CRYPTO_ecc_key_get_public (alice_key, &alice_pkey);
 217   GNUNET_CRYPTO_ecc_key_get_public (bob_key, &bob_pkey);
 218
 219   struct GNUNET_NAMESTORE_RecordData rd;
 220   char* ip = TEST_IP;
 221   struct in_addr *mail = GNUNET_malloc(sizeof(struct in_addr));
 222   char *mx_record;
 223   uint16_t mx_preference = 1;
 224   rd.expiration_time = UINT64_MAX;
 225   GNUNET_assert(1 == inet_pton (AF_INET, ip, mail));
 226
 227   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 228
 229   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 230   rd.data = &bob_hash;
 231   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 232   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 233
 234   GNUNET_NAMESTORE_record_put_by_authority (namestore_handle,
 235                                             alice_key,
 236                                             TEST_AUTHORITY_NAME,
 237                                             1, &rd,
 238                                             NULL,
 239                                             NULL);
 240
 241   rd.data_size = sizeof(struct in_addr);
 242   rd.data = mail;
 243   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 244   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 245                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 246                                           TEST_RECORD_NAME,
 247                                           &rd, 1);
 248   et.abs_value_us = rd.expiration_time;
 249   GNUNET_NAMESTORE_record_put (namestore_handle,
 250                                &bob_pkey,
 251                                TEST_RECORD_NAME,
 252                                et,
 253                                1,
 254                                &rd,
 255                                sig,
 256                                NULL,
 257                                NULL);
 258   GNUNET_free (sig);
 259
 260   rd.data_size = sizeof(struct GNUNET_DNSPARSER_MxRecord)+strlen(TEST_MX_NAME)+1;
 261   mx_record = GNUNET_malloc(sizeof(struct GNUNET_DNSPARSER_MxRecord)+strlen(TEST_MX_NAME)+1);
 262   memcpy(mx_record, &mx_preference, sizeof(uint16_t));
 263   strcpy(mx_record+sizeof(uint16_t), TEST_MX_NAME);
 264   rd.data = mx_record;
 265   rd.record_type = GNUNET_GNS_RECORD_MX;
 266   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 267                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 268                                           GNUNET_GNS_MASTERZONE_STR,
 269                                           &rd, 1);
 270   et.abs_value_us = rd.expiration_time;
 271   GNUNET_NAMESTORE_record_put (namestore_handle,
 272                                &bob_pkey,
 273                                GNUNET_GNS_MASTERZONE_STR,
 274                                et,
 275                                1,
 276                                &rd,
 277                                sig,
 278                                &commence_testing,
 279                                NULL);
 280
 281   GNUNET_free (alice_keyfile);
 282   GNUNET_free (mx_record);
 283   GNUNET_free (mail);
 284   GNUNET_free (sig);
 285   GNUNET_CRYPTO_ecc_key_free (bob_key);
 286   GNUNET_CRYPTO_ecc_key_free (alice_key);
 287 }
 288
 289
 290 int
 291 main (int argc, char *argv[])
 292 {
 293   ok = 1;
 294   GNUNET_log_setup ("test-gns-simple-mx-lookup",
 295                     "WARNING",
 296                     NULL);
 297   GNUNET_TESTING_peer_run ("test-gns-simple-mx-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 298   return ok;
 299 }
 300
 301 /* end of test_gns_simple_mx_lookup.c */