src/namecache/test_namecache_api_cache_block.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2012 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  19  */
  20 /**
  21  * @file namecache/test_namecache_api.c
  22  * @brief testcase for namecache_api.c: store a record and perform a lookup
  23  */
  24 #include "platform.h"
  25 #include "gnunet_namecache_service.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_dnsparser_lib.h"
  28
  29 #define TEST_RECORD_TYPE GNUNET_DNSPARSER_TYPE_TXT
  30
  31 #define TEST_RECORD_DATALEN 123
  32
  33 #define TEST_RECORD_DATA 'a'
  34
  35 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 100)
  36
  37
  38 static struct GNUNET_NAMECACHE_Handle *nsh;
  39
  40 static struct GNUNET_SCHEDULER_Task * endbadly_task;
  41
  42 static struct GNUNET_CRYPTO_EcdsaPrivateKey *privkey;
  43
  44 static struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
  45
  46 static int res;
  47
  48 static struct GNUNET_NAMECACHE_QueueEntry *nsqe;
  49
  50
  51 static void
  52 cleanup()
  53 {
  54   if (NULL != nsh)
  55     {
  56       GNUNET_NAMECACHE_disconnect(nsh);
  57       nsh = NULL;
  58     }
  59   if (NULL != privkey)
  60     {
  61       GNUNET_free(privkey);
  62       privkey = NULL;
  63     }
  64   GNUNET_SCHEDULER_shutdown();
  65 }
  66
  67
  68 /**
  69  * Re-establish the connection to the service.
  70  *
  71  * @param cls handle to use to re-connect.
  72  */
  73 static void
  74 endbadly(void *cls)
  75 {
  76   if (NULL != nsqe)
  77     {
  78       GNUNET_NAMECACHE_cancel(nsqe);
  79       nsqe = NULL;
  80     }
  81   cleanup();
  82   res = 1;
  83 }
  84
  85
  86 static void
  87 end(void *cls)
  88 {
  89   cleanup();
  90   res = 0;
  91 }
  92
  93
  94 static void
  95 rd_decrypt_cb(void *cls,
  96               unsigned int rd_count,
  97               const struct GNUNET_GNSRECORD_Data *rd)
  98 {
  99   char rd_cmp_data[TEST_RECORD_DATALEN];
 100
 101   GNUNET_assert(1 == rd_count);
 102   GNUNET_assert(NULL != rd);
 103
 104   memset(rd_cmp_data, 'a', TEST_RECORD_DATALEN);
 105
 106   GNUNET_assert(TEST_RECORD_TYPE == rd[0].record_type);
 107   GNUNET_assert(TEST_RECORD_DATALEN == rd[0].data_size);
 108   GNUNET_assert(0 == memcmp(&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN));
 109
 110   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
 111              "Block was decrypted successfully \n");
 112
 113   GNUNET_SCHEDULER_add_now(&end, NULL);
 114 }
 115
 116
 117 static void
 118 name_lookup_proc(void *cls,
 119                  const struct GNUNET_GNSRECORD_Block *block)
 120 {
 121   const char *name = cls;
 122
 123   nsqe = NULL;
 124
 125   GNUNET_assert(NULL != cls);
 126
 127   if (endbadly_task != NULL)
 128     {
 129       GNUNET_SCHEDULER_cancel(endbadly_task);
 130       endbadly_task = NULL;
 131     }
 132
 133   if (NULL == block)
 134     {
 135       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 136                  _("Namecache returned no block\n"));
 137       if (NULL != endbadly_task)
 138         GNUNET_SCHEDULER_cancel(endbadly_task);
 139       endbadly_task = GNUNET_SCHEDULER_add_now(&endbadly, NULL);
 140       return;
 141     }
 142
 143   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
 144              "Namecache returned block, decrypting \n");
 145   GNUNET_assert(GNUNET_OK == GNUNET_GNSRECORD_block_decrypt(block,
 146                                                             &pubkey, name, &rd_decrypt_cb, (void *)name));
 147 }
 148
 149 static void
 150 cache_cont(void *cls, int32_t success, const char *emsg)
 151 {
 152   const char *name = cls;
 153   struct GNUNET_HashCode derived_hash;
 154
 155   GNUNET_assert(NULL != cls);
 156
 157   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
 158              "Name store cached record for `%s': %s\n",
 159              name,
 160              (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
 161
 162   /* Create derived hash */
 163   GNUNET_GNSRECORD_query_from_public_key(&pubkey, name, &derived_hash);
 164
 165   nsqe = GNUNET_NAMECACHE_lookup_block(nsh, &derived_hash,
 166                                        &name_lookup_proc, (void *)name);
 167 }
 168
 169
 170 static void
 171 run(void *cls,
 172     const struct GNUNET_CONFIGURATION_Handle *cfg,
 173     struct GNUNET_TESTING_Peer *peer)
 174 {
 175   struct GNUNET_GNSRECORD_Data rd;
 176   struct GNUNET_GNSRECORD_Block *block;
 177   char *hostkey_file;
 178   const char * name = "dummy.dummy.gnunet";
 179
 180   endbadly_task = GNUNET_SCHEDULER_add_delayed(TIMEOUT,
 181                                                &endbadly, NULL);
 182   GNUNET_asprintf(&hostkey_file,
 183                   "zonefiles%s%s",
 184                   DIR_SEPARATOR_STR,
 185                   "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
 186   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Using zonekey file `%s' \n", hostkey_file);
 187   privkey = GNUNET_CRYPTO_ecdsa_key_create_from_file(hostkey_file);
 188   GNUNET_free(hostkey_file);
 189   GNUNET_assert(privkey != NULL);
 190   GNUNET_CRYPTO_ecdsa_key_get_public(privkey, &pubkey);
 191
 192
 193   rd.expiration_time = GNUNET_TIME_absolute_get().abs_value_us + 10000000000;
 194   rd.record_type = TEST_RECORD_TYPE;
 195   rd.data_size = TEST_RECORD_DATALEN;
 196   rd.data = GNUNET_malloc(TEST_RECORD_DATALEN);
 197   rd.flags = 0;
 198   memset((char *)rd.data, 'a', TEST_RECORD_DATALEN);
 199   block = GNUNET_GNSRECORD_block_create(privkey,
 200                                         GNUNET_TIME_UNIT_FOREVER_ABS,
 201                                         name, &rd, 1);
 202   if (NULL == block)
 203     {
 204       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 205                  "Namecache cannot cache no block!\n");
 206       GNUNET_SCHEDULER_shutdown();
 207       GNUNET_free(block);
 208       return;
 209     }
 210
 211   nsh = GNUNET_NAMECACHE_connect(cfg);
 212   if (NULL == nsh)
 213     {
 214       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 215                  _("Namecache cannot connect to namecache\n"));
 216       GNUNET_SCHEDULER_shutdown();
 217       GNUNET_free(block);
 218       return;
 219     }
 220   GNUNET_break(NULL != nsh);
 221
 222   nsqe = GNUNET_NAMECACHE_block_cache(nsh,
 223                                       block,
 224                                       &cache_cont, (void *)name);
 225   if (NULL == nsqe)
 226     {
 227       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 228                  _("Namecache cannot cache no block\n"));
 229     }
 230   GNUNET_free(block);
 231   GNUNET_free((void *)rd.data);
 232 }
 233
 234
 235 int
 236 main(int argc, char *argv[])
 237 {
 238   GNUNET_DISK_directory_remove("/tmp/test-gnunet-namecache/");
 239   res = 1;
 240   if (0 !=
 241       GNUNET_TESTING_service_run("test-namecache-api",
 242                                  "namecache",
 243                                  "test_namecache_api.conf",
 244                                  &run,
 245                                  NULL))
 246     return 1;
 247   return res;
 248 }
 249
 250
 251 /* end of test_namecache_api_cache_block.c */