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