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_common.h"
  26 #include "gnunet_namestore_service.h"
  27 #include "gnunet_testing_lib.h"
  28
  29 #define TEST_RECORD_TYPE 1234
  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_NAMESTORE_Handle *nsh;
  39
  40 static GNUNET_SCHEDULER_TaskIdentifier endbadly_task;
  41
  42 static struct GNUNET_CRYPTO_EccPrivateKey *privkey;
  43
  44 static struct GNUNET_CRYPTO_EccPublicKey pubkey;
  45
  46 static struct GNUNET_HashCode derived_hash;
  47
  48 static int res;
  49
  50 static int removed;
  51
  52 static struct GNUNET_NAMESTORE_QueueEntry *nsqe;
  53
  54
  55 static void
  56 cleanup ()
  57 {
  58   if (NULL != nsh)
  59   {
  60     GNUNET_NAMESTORE_disconnect (nsh);
  61     nsh = NULL;
  62   }
  63   if (NULL != privkey)
  64   {
  65     GNUNET_free (privkey);
  66     privkey = NULL;
  67   }
  68   GNUNET_SCHEDULER_shutdown ();
  69 }
  70
  71
  72 /**
  73  * Re-establish the connection to the service.
  74  *
  75  * @param cls handle to use to re-connect.
  76  * @param tc scheduler context
  77  */
  78 static void
  79 endbadly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  80 {
  81   if (NULL != nsqe)
  82   {
  83     GNUNET_NAMESTORE_cancel (nsqe);
  84     nsqe = NULL;
  85   }
  86   cleanup ();
  87   res = 1;
  88 }
  89
  90
  91 static void
  92 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  93 {
  94   cleanup ();
  95   res = 0;
  96 }
  97
  98 static void
  99 name_lookup_proc (void *cls, const struct GNUNET_NAMESTORE_Block *block);
 100
 101 static void
 102 remove_cont (void *cls, int32_t success, const char *emsg)
 103 {
 104   const char *name = cls;
 105
 106   if (GNUNET_YES != success)
 107   {
 108     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 109               _("Records could not be removed: `%s'\n"), emsg);
 110     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 111       GNUNET_SCHEDULER_cancel (endbadly_task);
 112     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 113     return;
 114   }
 115
 116   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 117               "Records were removed, perform lookup\n");
 118
 119   removed = GNUNET_YES;
 120   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 121                                          &name_lookup_proc, (void *) name);
 122   if (NULL == nsqe)
 123   {
 124         GNUNET_break (0);
 125     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 126               _("Namestore cannot perform lookup for removed record\n"));
 127     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 128       GNUNET_SCHEDULER_cancel (endbadly_task);
 129     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 130     return;
 131   }
 132 }
 133
 134
 135 static void
 136 rd_decrypt_cb (void *cls,
 137                                                  unsigned int rd_count,
 138                                                  const struct GNUNET_NAMESTORE_RecordData *rd)
 139 {
 140   const char *name = cls;
 141   char rd_cmp_data[TEST_RECORD_DATALEN];
 142   if (GNUNET_NO == removed)
 143   {
 144         GNUNET_assert (1 == rd_count);
 145         GNUNET_assert (NULL != rd);
 146
 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   else
 160   {
 161         if ((0 != rd_count) /*|| (NULL != rd)*/)
 162         {
 163                 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 164                                         _("Record was not removed \n"));
 165       if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 166         GNUNET_SCHEDULER_cancel (endbadly_task);
 167       endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 168       return;
 169         }
 170
 171                 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 172                                 _("Record was removed \n"));
 173         GNUNET_SCHEDULER_add_now (&end, NULL);
 174   }
 175 }
 176
 177 static void
 178 name_lookup_proc (void *cls,
 179                                                                         const struct GNUNET_NAMESTORE_Block *block)
 180 {
 181   const char *name = cls;
 182   nsqe = NULL;
 183
 184   GNUNET_assert (NULL != cls);
 185
 186   if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 187   {
 188     GNUNET_SCHEDULER_cancel (endbadly_task);
 189     endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 190   }
 191
 192   if (NULL == block)
 193   {
 194     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 195               _("Namestore returned no block\n"));
 196     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 197       GNUNET_SCHEDULER_cancel (endbadly_task);
 198     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 199     return;
 200   }
 201
 202   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 203               "Namestore returned block, decrypting \n");
 204         GNUNET_assert (GNUNET_OK == GNUNET_NAMESTORE_block_decrypt(block,
 205                 &pubkey, name, &rd_decrypt_cb, (void *) name));
 206 }
 207
 208 static void
 209 put_cont (void *cls, int32_t success, const char *emsg)
 210 {
 211   const char *name = cls;
 212
 213   GNUNET_assert (NULL != cls);
 214   if (GNUNET_SYSERR == success)
 215   {
 216         GNUNET_break (0);
 217     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 218               _("Namestore could not store record: `%s'\n"), emsg);
 219     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 220       GNUNET_SCHEDULER_cancel (endbadly_task);
 221     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 222     return;
 223   }
 224
 225   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 226               "Name store added record for `%s': %s\n",
 227               name,
 228               (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
 229
 230   /* Create derived hash */
 231   GNUNET_NAMESTORE_query_from_private_key (privkey, name, &derived_hash);
 232
 233   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 234                                          &name_lookup_proc, (void *) name);
 235   if (NULL == nsqe)
 236   {
 237         GNUNET_break (0);
 238     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 239               _("Namestore cannot perform lookup\n"));
 240     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 241       GNUNET_SCHEDULER_cancel (endbadly_task);
 242     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 243     return;
 244   }
 245 }
 246
 247
 248 static void
 249 run (void *cls,
 250      const struct GNUNET_CONFIGURATION_Handle *cfg,
 251      struct GNUNET_TESTING_Peer *peer)
 252 {
 253   struct GNUNET_NAMESTORE_RecordData rd;
 254   char *hostkey_file;
 255   const char * name = "dummy.dummy.gnunet";
 256
 257   endbadly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 258                                                 &endbadly, NULL);
 259   GNUNET_asprintf (&hostkey_file,
 260                    "zonefiles%s%s",
 261                    DIR_SEPARATOR_STR,
 262                    "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
 263   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Using zonekey file `%s' \n", hostkey_file);
 264   privkey = GNUNET_CRYPTO_ecc_key_create_from_file (hostkey_file);
 265   GNUNET_free (hostkey_file);
 266   GNUNET_assert (privkey != NULL);
 267   GNUNET_CRYPTO_ecc_key_get_public (privkey, &pubkey);
 268
 269   removed = GNUNET_NO;
 270
 271   rd.expiration_time = GNUNET_TIME_absolute_get().abs_value_us;
 272   rd.record_type = TEST_RECORD_TYPE;
 273   rd.data_size = TEST_RECORD_DATALEN;
 274   rd.data = GNUNET_malloc (TEST_RECORD_DATALEN);
 275   memset ((char *) rd.data, 'a', TEST_RECORD_DATALEN);
 276
 277   nsh = GNUNET_NAMESTORE_connect (cfg);
 278   GNUNET_break (NULL != nsh);
 279   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 280                                       1, &rd, &put_cont, (void *) name);
 281   if (NULL == nsqe)
 282   {
 283     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 284               _("Namestore cannot store no block\n"));
 285   }
 286   GNUNET_free ((void *)rd.data);
 287 }
 288
 289
 290 int
 291 main (int argc, char *argv[])
 292 {
 293   res = 1;
 294   if (0 !=
 295       GNUNET_TESTING_service_run ("test-namestore-api",
 296                                   "namestore",
 297                                   "test_namestore_api.conf",
 298                                   &run,
 299                                   NULL))
 300     return 1;
 301   return res;
 302 }
 303
 304 /* end of test_namestore_api.c */