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 /* Timeout for entire testcase */
  37 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 40)
  38
  39 /* test records to resolve */
  40 #define TEST_IP "127.0.0.1"
  41 #define TEST_RECORD_NAME "www"
  42
  43 #define TEST_AUTHORITY_NAME "bob"
  44
  45 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  46
  47 /* Task handle to use to schedule test failure */
  48 static GNUNET_SCHEDULER_TaskIdentifier die_task;
  49
  50 /* Global return value (0 for success, anything else for failure) */
  51 static int ok;
  52
  53 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  54
  55 static struct GNUNET_GNS_Handle *gns_handle;
  56
  57 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  58
  59 static struct GNUNET_CRYPTO_ShortHashCode bob_hash;
  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   struct in_addr a;
 111   int i;
 112   char* addr;
 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   namestore_handle = NULL;
 122   if (rd_count == 0)
 123   {
 124     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 125                 "Lookup failed\n");
 126     ok = 2;
 127   }
 128   else
 129   {
 130     ok = 1;
 131     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 132     for (i=0; i<rd_count; i++)
 133     {
 134       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 135       if (rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
 136       {
 137         memcpy(&a, rd[i].data, sizeof(a));
 138         addr = inet_ntoa(a);
 139         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 140         if (0 == strcmp(addr, TEST_IP))
 141         {
 142           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 143                     "ZKEY correctly resolved to %s!\n", addr);
 144           ok = 0;
 145         }
 146       }
 147       else
 148       {
 149         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 150       }
 151     }
 152   }
 153
 154   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 155 }
 156
 157
 158 /**
 159  * Function scheduled to be run on the successful start of services
 160  * tries to look up the dns record for TEST_DOMAIN
 161  */
 162 static void
 163 commence_testing (void *cls, int32_t success, const char *emsg)
 164 {
 165   char name[GNUNET_DNSPARSER_MAX_NAME_LENGTH];
 166   char* pos;
 167   struct GNUNET_CRYPTO_ShortHashAsciiEncoded hash_str;
 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
 178   pos = name;
 179   strcpy(pos, TEST_RECORD_NAME);
 180   pos += strlen(TEST_RECORD_NAME);
 181   strcpy(pos, ".");
 182   pos++;
 183   GNUNET_CRYPTO_short_hash_to_enc(&bob_hash, &hash_str);
 184   strcpy(pos, (char*)&hash_str);
 185   pos += strlen((char*)&hash_str);
 186   strcpy(pos, ".");
 187   pos++;
 188   strcpy(pos, GNUNET_GNS_TLD_ZKEY);
 189
 190   GNUNET_GNS_lookup(gns_handle, name, GNUNET_DNSPARSER_TYPE_A,
 191                     GNUNET_NO,
 192                     NULL,
 193                     &on_lookup_result, NULL);
 194 }
 195
 196
 197 static void
 198 do_check (void *cls,
 199           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 200           struct GNUNET_TESTING_Peer *peer)
 201 {
 202   struct GNUNET_CRYPTO_EccPublicKey alice_pkey;
 203   struct GNUNET_CRYPTO_EccPublicKey bob_pkey;
 204   struct GNUNET_CRYPTO_EccPrivateKey *alice_key;
 205   struct GNUNET_CRYPTO_EccPrivateKey *bob_key;
 206   struct GNUNET_CRYPTO_EccSignature *sig;
 207   char* alice_keyfile;
 208
 209   cfg = ccfg;
 210   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 211
 212   /* put records into namestore */
 213   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 214   if (NULL == namestore_handle)
 215   {
 216     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 217     end_badly_now ();
 218     return;
 219   }
 220
 221   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 222                                                           "ZONEKEY",
 223                                                           &alice_keyfile))
 224   {
 225     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 226     end_badly_now ();
 227     return;
 228   }
 229
 230   alice_key = GNUNET_CRYPTO_ecc_key_create_from_file (alice_keyfile);
 231   bob_key = GNUNET_CRYPTO_ecc_key_create_from_file (KEYFILE_BOB);
 232
 233   GNUNET_CRYPTO_ecc_key_get_public (alice_key, &alice_pkey);
 234   GNUNET_CRYPTO_ecc_key_get_public (bob_key, &bob_pkey);
 235
 236   struct GNUNET_NAMESTORE_RecordData rd;
 237   char* ip = TEST_IP;
 238   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 239   rd.expiration_time = UINT64_MAX;
 240   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 241
 242   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 243
 244   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 245   rd.data = &bob_hash;
 246   rd.record_type = GNUNET_NAMESTORE_TYPE_PKEY;
 247   rd.flags = GNUNET_NAMESTORE_RF_NONE;
 248
 249   GNUNET_NAMESTORE_record_put_by_authority (namestore_handle,
 250                                             alice_key,
 251                                             TEST_AUTHORITY_NAME,
 252                                             1, &rd,
 253                                             NULL,
 254                                             NULL);
 255
 256   rd.data_size = sizeof(struct in_addr);
 257   rd.data = web;
 258   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 259   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 260                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 261                                           TEST_RECORD_NAME,
 262                                           &rd, 1);
 263
 264   GNUNET_NAMESTORE_record_put (namestore_handle,
 265                                &bob_pkey,
 266                                TEST_RECORD_NAME,
 267                                GNUNET_TIME_UNIT_FOREVER_ABS,
 268                                1,
 269                                &rd,
 270                                sig,
 271                                &commence_testing,
 272                                NULL);
 273   GNUNET_free (alice_keyfile);
 274   GNUNET_free (web);
 275   GNUNET_free (sig);
 276   GNUNET_free (bob_key);
 277   GNUNET_free (alice_key);
 278 }
 279
 280
 281 int
 282 main (int argc, char *argv[])
 283 {
 284   ok = 1;
 285
 286   GNUNET_log_setup ("test-gns-simple-zkey-lookup",
 287                     "WARNING",
 288                     NULL);
 289   GNUNET_TESTING_peer_run ("test-gns-simple-zkey-lookup",
 290                            "test_gns_simple_lookup.conf",
 291                            &do_check, NULL);
 292   return ok;
 293 }
 294
 295
 296 /* end of test_gns_simple_zkey_lookup.c */