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_EccPublicSignKey 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
 102 static void
 103 remove_cont (void *cls,
 104              int32_t success,
 105              const char *emsg)
 106 {
 107   const char *name = cls;
 108   if (GNUNET_YES != success)
 109   {
 110     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 111               _("Records could not be removed: `%s'\n"), emsg);
 112     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 113       GNUNET_SCHEDULER_cancel (endbadly_task);
 114     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 115     return;
 116   }
 117
 118   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 119               "Records were removed, perform lookup\n");
 120
 121   removed = GNUNET_YES;
 122   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 123                                          &name_lookup_proc, (void *) name);
 124   if (NULL == nsqe)
 125   {
 126         GNUNET_break (0);
 127     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 128               _("Namestore cannot perform lookup for removed record\n"));
 129     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 130       GNUNET_SCHEDULER_cancel (endbadly_task);
 131     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 132     return;
 133   }
 134 }
 135
 136
 137 static void
 138 rd_decrypt_cb (void *cls,
 139                unsigned int rd_count,
 140                const struct GNUNET_NAMESTORE_RecordData *rd)
 141 {
 142   const char *name = cls;
 143   char rd_cmp_data[TEST_RECORD_DATALEN];
 144
 145   GNUNET_assert (GNUNET_NO == removed);
 146   GNUNET_assert (1 == rd_count);
 147   GNUNET_assert (NULL != rd);
 148   memset (rd_cmp_data, 'a', TEST_RECORD_DATALEN);
 149
 150   GNUNET_assert (TEST_RECORD_TYPE == rd[0].record_type);
 151   GNUNET_assert (TEST_RECORD_DATALEN == rd[0].data_size);
 152   GNUNET_assert (0 == memcmp (&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN));
 153
 154   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 155               "Block was decrypted successfully, removing records \n");
 156
 157   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 158                                          0, NULL, &remove_cont, (void *) name);
 159 }
 160
 161
 162 static void
 163 name_lookup_proc (void *cls,
 164                   const struct GNUNET_NAMESTORE_Block *block)
 165 {
 166   const char *name = cls;
 167   nsqe = NULL;
 168
 169   if (removed && (NULL == block))
 170   {
 171     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 172     {
 173       GNUNET_SCHEDULER_cancel (endbadly_task);
 174       endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 175     }
 176     GNUNET_SCHEDULER_add_now (&end, NULL);
 177     return;
 178   }
 179   GNUNET_assert (NULL != cls);
 180   if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 181   {
 182     GNUNET_SCHEDULER_cancel (endbadly_task);
 183     endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 184   }
 185
 186   if (NULL == block)
 187   {
 188     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 189               _("Namestore returned no block\n"));
 190     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 191       GNUNET_SCHEDULER_cancel (endbadly_task);
 192     endbadly_task = GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 193     return;
 194   }
 195   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 196               "Namestore returned block, decrypting \n");
 197   GNUNET_assert (GNUNET_OK ==
 198                  GNUNET_NAMESTORE_block_decrypt (block,
 199                                                  &pubkey, name, &rd_decrypt_cb, (void *) name));
 200 }
 201
 202
 203 static void
 204 put_cont (void *cls, int32_t success,
 205           const char *emsg)
 206 {
 207   const char *name = cls;
 208
 209   GNUNET_assert (NULL != cls);
 210   if (GNUNET_SYSERR == success)
 211   {
 212     GNUNET_break (0);
 213     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 214                 "Namestore could not store record: `%s'\n",
 215                 emsg);
 216     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 217       GNUNET_SCHEDULER_cancel (endbadly_task);
 218     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 219     return;
 220   }
 221
 222   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 223               "Name store added record for `%s': %s\n",
 224               name,
 225               (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
 226
 227   /* Create derived hash */
 228   GNUNET_NAMESTORE_query_from_private_key (privkey,
 229                                            name,
 230                                            &derived_hash);
 231
 232   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 233                                         &name_lookup_proc, (void *) name);
 234   if (NULL == nsqe)
 235   {
 236     GNUNET_break (0);
 237     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 238               _("Namestore cannot perform lookup\n"));
 239     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 240       GNUNET_SCHEDULER_cancel (endbadly_task);
 241     endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 242     return;
 243   }
 244 }
 245
 246
 247 static void
 248 run (void *cls,
 249      const struct GNUNET_CONFIGURATION_Handle *cfg,
 250      struct GNUNET_TESTING_Peer *peer)
 251 {
 252   struct GNUNET_NAMESTORE_RecordData rd;
 253   char *hostkey_file;
 254   const char * name = "dummy.dummy.gnunet";
 255
 256   endbadly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 257                                                 &endbadly, NULL);
 258   GNUNET_asprintf (&hostkey_file,
 259                    "zonefiles%s%s",
 260                    DIR_SEPARATOR_STR,
 261                    "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
 262   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Using zonekey file `%s' \n", hostkey_file);
 263   privkey = GNUNET_CRYPTO_ecc_key_create_from_file (hostkey_file);
 264   GNUNET_free (hostkey_file);
 265   GNUNET_assert (privkey != NULL);
 266   GNUNET_CRYPTO_ecc_key_get_public_for_signature (privkey, &pubkey);
 267
 268   removed = GNUNET_NO;
 269
 270   rd.expiration_time = GNUNET_TIME_absolute_get().abs_value_us;
 271   rd.record_type = TEST_RECORD_TYPE;
 272   rd.data_size = TEST_RECORD_DATALEN;
 273   rd.data = GNUNET_malloc (TEST_RECORD_DATALEN);
 274   memset ((char *) rd.data, 'a', TEST_RECORD_DATALEN);
 275
 276   nsh = GNUNET_NAMESTORE_connect (cfg);
 277   GNUNET_break (NULL != nsh);
 278   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 279                                       1, &rd, &put_cont, (void *) name);
 280   if (NULL == nsqe)
 281   {
 282     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 283               _("Namestore cannot store no block\n"));
 284   }
 285   GNUNET_free ((void *)rd.data);
 286 }
 287
 288
 289 int
 290 main (int argc, char *argv[])
 291 {
 292   res = 1;
 293   if (0 !=
 294       GNUNET_TESTING_service_run ("test-namestore-api",
 295                                   "namestore",
 296                                   "test_namestore_api.conf",
 297                                   &run,
 298                                   NULL))
 299     return 1;
 300   return res;
 301 }
 302
 303 /* end of test_namestore_api.c */