src/namestore/test_namestore_api_remove.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 namestore/test_namestore_api.c
  22  * @brief testcase for namestore_api.c to: remove record
  23  */
  24 #include "platform.h"
  25 #include "gnunet_namestore_service.h"
  26 #include "gnunet_testing_lib.h"
  27
  28 #define TEST_RECORD_TYPE 1234
  29
  30 #define TEST_RECORD_DATALEN 123
  31
  32 #define TEST_RECORD_DATA 'a'
  33
  34 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 100)
  35
  36
  37 static struct GNUNET_NAMESTORE_Handle *nsh;
  38
  39 static GNUNET_SCHEDULER_TaskIdentifier endbadly_task;
  40
  41 static struct GNUNET_CRYPTO_EccPrivateKey *privkey;
  42
  43 static struct GNUNET_CRYPTO_EccPublicSignKey pubkey;
  44
  45 static struct GNUNET_HashCode derived_hash;
  46
  47 static int res;
  48
  49 static int removed;
  50
  51 static struct GNUNET_NAMESTORE_QueueEntry *nsqe;
  52
  53
  54 static void
  55 cleanup ()
  56 {
  57   if (NULL != nsh)
  58   {
  59     GNUNET_NAMESTORE_disconnect (nsh);
  60     nsh = NULL;
  61   }
  62   if (NULL != privkey)
  63   {
  64     GNUNET_free (privkey);
  65     privkey = NULL;
  66   }
  67   GNUNET_SCHEDULER_shutdown ();
  68 }
  69
  70
  71 /**
  72  * Re-establish the connection to the service.
  73  *
  74  * @param cls handle to use to re-connect.
  75  * @param tc scheduler context
  76  */
  77 static void
  78 endbadly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  79 {
  80   if (NULL != nsqe)
  81   {
  82     GNUNET_NAMESTORE_cancel (nsqe);
  83     nsqe = NULL;
  84   }
  85   cleanup ();
  86   res = 1;
  87 }
  88
  89
  90 static void
  91 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  92 {
  93   cleanup ();
  94   res = 0;
  95 }
  96
  97 static void
  98 name_lookup_proc (void *cls, const struct GNUNET_NAMESTORE_Block *block);
  99
 100
 101 static void
 102 remove_cont (void *cls,
 103              int32_t success,
 104              const char *emsg)
 105 {
 106   const char *name = cls;
 107   if (GNUNET_YES != success)
 108   {
 109     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 110               _("Records could not be removed: `%s'\n"), emsg);
 111     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 112       GNUNET_SCHEDULER_cancel (endbadly_task);
 113     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 114     return;
 115   }
 116
 117   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 118               "Records were removed, perform lookup\n");
 119
 120   removed = GNUNET_YES;
 121   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 122                                          &name_lookup_proc, (void *) name);
 123   if (NULL == nsqe)
 124   {
 125         GNUNET_break (0);
 126     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 127               _("Namestore cannot perform lookup for removed record\n"));
 128     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 129       GNUNET_SCHEDULER_cancel (endbadly_task);
 130     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 131     return;
 132   }
 133 }
 134
 135
 136 static void
 137 rd_decrypt_cb (void *cls,
 138                unsigned int rd_count,
 139                const struct GNUNET_NAMESTORE_RecordData *rd)
 140 {
 141   const char *name = cls;
 142   char rd_cmp_data[TEST_RECORD_DATALEN];
 143
 144   GNUNET_assert (GNUNET_NO == removed);
 145   GNUNET_assert (1 == rd_count);
 146   GNUNET_assert (NULL != rd);
 147   memset (rd_cmp_data, 'a', TEST_RECORD_DATALEN);
 148
 149   GNUNET_assert (TEST_RECORD_TYPE == rd[0].record_type);
 150   GNUNET_assert (TEST_RECORD_DATALEN == rd[0].data_size);
 151   GNUNET_assert (0 == memcmp (&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN));
 152
 153   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 154               "Block was decrypted successfully, removing records \n");
 155
 156   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 157                                          0, NULL, &remove_cont, (void *) name);
 158 }
 159
 160
 161 static void
 162 name_lookup_proc (void *cls,
 163                   const struct GNUNET_NAMESTORE_Block *block)
 164 {
 165   const char *name = cls;
 166   nsqe = NULL;
 167
 168   if (removed && (NULL == block))
 169   {
 170     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 171     {
 172       GNUNET_SCHEDULER_cancel (endbadly_task);
 173       endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 174     }
 175     GNUNET_SCHEDULER_add_now (&end, NULL);
 176     return;
 177   }
 178   GNUNET_assert (NULL != cls);
 179   if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 180   {
 181     GNUNET_SCHEDULER_cancel (endbadly_task);
 182     endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 183   }
 184
 185   if (NULL == block)
 186   {
 187     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 188               _("Namestore returned no block\n"));
 189     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 190       GNUNET_SCHEDULER_cancel (endbadly_task);
 191     endbadly_task = GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 192     return;
 193   }
 194   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 195               "Namestore returned block, decrypting \n");
 196   GNUNET_assert (GNUNET_OK ==
 197                  GNUNET_NAMESTORE_block_decrypt (block,
 198                                                  &pubkey, name, &rd_decrypt_cb, (void *) name));
 199 }
 200
 201
 202 static void
 203 put_cont (void *cls, int32_t success,
 204           const char *emsg)
 205 {
 206   const char *name = cls;
 207
 208   GNUNET_assert (NULL != cls);
 209   if (GNUNET_SYSERR == success)
 210   {
 211     GNUNET_break (0);
 212     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 213                 "Namestore could not store record: `%s'\n",
 214                 emsg);
 215     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 216       GNUNET_SCHEDULER_cancel (endbadly_task);
 217     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 218     return;
 219   }
 220
 221   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 222               "Name store added record for `%s': %s\n",
 223               name,
 224               (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
 225
 226   /* Create derived hash */
 227   GNUNET_NAMESTORE_query_from_private_key (privkey,
 228                                            name,
 229                                            &derived_hash);
 230
 231   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 232                                         &name_lookup_proc, (void *) name);
 233   if (NULL == nsqe)
 234   {
 235     GNUNET_break (0);
 236     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 237               _("Namestore cannot perform lookup\n"));
 238     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 239       GNUNET_SCHEDULER_cancel (endbadly_task);
 240     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 241     return;
 242   }
 243 }
 244
 245
 246 static void
 247 run (void *cls,
 248      const struct GNUNET_CONFIGURATION_Handle *cfg,
 249      struct GNUNET_TESTING_Peer *peer)
 250 {
 251   struct GNUNET_NAMESTORE_RecordData rd;
 252   char *hostkey_file;
 253   const char * name = "dummy.dummy.gnunet";
 254
 255   endbadly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 256                                                 &endbadly, NULL);
 257   GNUNET_asprintf (&hostkey_file,
 258                    "zonefiles%s%s",
 259                    DIR_SEPARATOR_STR,
 260                    "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
 261   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Using zonekey file `%s' \n", hostkey_file);
 262   privkey = GNUNET_CRYPTO_ecc_key_create_from_file (hostkey_file);
 263   GNUNET_free (hostkey_file);
 264   GNUNET_assert (privkey != NULL);
 265   GNUNET_CRYPTO_ecc_key_get_public_for_signature (privkey, &pubkey);
 266
 267   removed = GNUNET_NO;
 268
 269   rd.expiration_time = GNUNET_TIME_absolute_get().abs_value_us;
 270   rd.record_type = TEST_RECORD_TYPE;
 271   rd.data_size = TEST_RECORD_DATALEN;
 272   rd.data = GNUNET_malloc (TEST_RECORD_DATALEN);
 273   memset ((char *) rd.data, 'a', TEST_RECORD_DATALEN);
 274
 275   nsh = GNUNET_NAMESTORE_connect (cfg);
 276   GNUNET_break (NULL != nsh);
 277   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 278                                       1, &rd, &put_cont, (void *) name);
 279   if (NULL == nsqe)
 280   {
 281     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 282               _("Namestore cannot store no block\n"));
 283   }
 284   GNUNET_free ((void *)rd.data);
 285 }
 286
 287
 288 int
 289 main (int argc, char *argv[])
 290 {
 291   res = 1;
 292   if (0 !=
 293       GNUNET_TESTING_service_run ("test-namestore-api",
 294                                   "namestore",
 295                                   "test_namestore_api.conf",
 296                                   &run,
 297                                   NULL))
 298     return 1;
 299   return res;
 300 }
 301
 302 /* end of test_namestore_api.c */