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- /*
- This file is part of GNUnet.
- Copyright (C) 2012 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @file namestore/test_namestore_api_lookup_shadow_filter.c
- * @brief testcase for namestore_api.c: store a record with short expiration
- * and a shadow record, perform lookup:
- * - when active record is valid, expect only active record
- * - when active record is expired, expect shadow record only
- */
- #include "platform.h"
- #include "gnunet_namecache_service.h"
- #include "gnunet_namestore_service.h"
- #include "gnunet_testing_lib.h"
- #include "gnunet_dnsparser_lib.h"
- #define TEST_RECORD_TYPE GNUNET_DNSPARSER_TYPE_TXT
- #define TEST_NAME "dummy.dummy.gnunet"
- #define TEST_RECORD_DATALEN 123
- #define TEST_RECORD_DATA 'a'
- #define TEST_SHADOW_RECORD_DATA 'b'
- #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 100)
- #define EXPIRATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
- static struct GNUNET_NAMESTORE_Handle *nsh;
- static struct GNUNET_NAMECACHE_Handle *nch;
- static struct GNUNET_SCHEDULER_Task *endbadly_task;
- static struct GNUNET_SCHEDULER_Task *delayed_lookup_task;
- static struct GNUNET_CRYPTO_EcdsaPrivateKey *privkey;
- static struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
- static int res;
- static struct GNUNET_NAMESTORE_QueueEntry *nsqe;
- static struct GNUNET_NAMECACHE_QueueEntry *ncqe;
- static struct GNUNET_NAMECACHE_QueueEntry *ncqe_shadow;
- static struct GNUNET_GNSRECORD_Data records[2];
- static struct GNUNET_TIME_Absolute record_expiration;
- static struct GNUNET_HashCode derived_hash;
- static struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
- static void
- cleanup ()
- {
- if (NULL != nsh)
- {
- GNUNET_NAMESTORE_disconnect (nsh);
- nsh = NULL;
- }
- if (NULL != nch)
- {
- GNUNET_NAMECACHE_disconnect (nch);
- nch = NULL;
- }
- if (NULL != privkey)
- {
- GNUNET_free (privkey);
- privkey = NULL;
- }
- GNUNET_SCHEDULER_shutdown ();
- }
- /**
- * Re-establish the connection to the service.
- *
- * @param cls handle to use to re-connect.
- */
- static void
- endbadly (void *cls)
- {
- if (NULL != delayed_lookup_task)
- {
- GNUNET_SCHEDULER_cancel (delayed_lookup_task);
- delayed_lookup_task = NULL;
- }
- if (NULL != nsqe)
- {
- GNUNET_NAMESTORE_cancel (nsqe);
- nsqe = NULL;
- }
- if (NULL != ncqe)
- {
- GNUNET_NAMECACHE_cancel (ncqe);
- ncqe = NULL;
- }
- cleanup ();
- res = 1;
- }
- static void
- end (void *cls)
- {
- cleanup ();
- res = 0;
- }
- static void
- rd_decrypt_cb (void *cls,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
- {
- struct GNUNET_GNSRECORD_Data *expected_rd = cls;
- char rd_cmp_data[TEST_RECORD_DATALEN];
- if (1 != rd_count)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (NULL == rd)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (expected_rd == &records[0])
- {
- /* Expecting active record */
- memset (rd_cmp_data, TEST_RECORD_DATA, TEST_RECORD_DATALEN);
- if (TEST_RECORD_TYPE != rd[0].record_type)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (TEST_RECORD_DATALEN != rd[0].data_size)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (0 != memcmp (&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN))
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (0 != (GNUNET_GNSRECORD_RF_SHADOW_RECORD & rd[0].flags))
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Block was decrypted successfully with active record\n");
- }
- if (expected_rd == &records[1])
- {
- /* Expecting shadow record but without shadow flag*/
- memset (rd_cmp_data, TEST_SHADOW_RECORD_DATA, TEST_RECORD_DATALEN);
- if (TEST_RECORD_TYPE != rd[0].record_type)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (TEST_RECORD_DATALEN != rd[0].data_size)
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (0 != memcmp (&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN))
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- if (0 != (GNUNET_GNSRECORD_RF_SHADOW_RECORD & rd[0].flags))
- {
- GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- GNUNET_break (0);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Block was decrypted successfully with former shadow record \n");
- GNUNET_SCHEDULER_add_now (&end, NULL);
- }
- }
- static void
- name_lookup_active_proc (void *cls,
- const struct GNUNET_GNSRECORD_Block *block)
- {
- struct GNUNET_GNSRECORD_Data *expected_rd = cls;
- GNUNET_assert (NULL != expected_rd);
- ncqe = NULL;
- ncqe_shadow = NULL;
- if (endbadly_task != NULL)
- {
- GNUNET_SCHEDULER_cancel (endbadly_task);
- endbadly_task = NULL;
- }
- if (NULL == block)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _ ("Namestore returned no block\n"));
- if (endbadly_task != NULL)
- GNUNET_SCHEDULER_cancel (endbadly_task);
- endbadly_task = GNUNET_SCHEDULER_add_now (&endbadly, NULL);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Namestore returned block, decrypting \n");
- GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_block_decrypt (block,
- &pubkey,
- TEST_NAME,
- &rd_decrypt_cb,
- expected_rd));
- }
- static void
- name_lookup_shadow (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Performing lookup for shadow record \n");
- delayed_lookup_task = NULL;
- ncqe_shadow = GNUNET_NAMECACHE_lookup_block (nch, &derived_hash,
- &name_lookup_active_proc,
- &records[1]);
- }
- static void
- put_cont (void *cls, int32_t success, const char *emsg)
- {
- nsqe = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Name store added record for `%s': %s\n",
- TEST_NAME,
- (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
- /* Create derived hash */
- GNUNET_CRYPTO_ecdsa_key_get_public (privkey, &pubkey);
- GNUNET_GNSRECORD_query_from_public_key (&pubkey, TEST_NAME, &derived_hash);
- if (0 == GNUNET_TIME_absolute_get_remaining (record_expiration).rel_value_us)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Test to too long to store records, cannot run test!\n");
- GNUNET_SCHEDULER_add_now (&end, NULL);
- return;
- }
- /* Lookup active record now */
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Performing lookup for active record \n");
- ncqe = GNUNET_NAMECACHE_lookup_block (nch, &derived_hash,
- &name_lookup_active_proc, &records[0]);
- delayed_lookup_task = GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (EXPIRATION, 2), &name_lookup_shadow, NULL);
- }
- static void
- run (void *cls,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct GNUNET_TESTING_Peer *peer)
- {
- endbadly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
- &endbadly,
- NULL);
- privkey = GNUNET_CRYPTO_ecdsa_key_create ();
- GNUNET_assert (privkey != NULL);
- GNUNET_CRYPTO_ecdsa_key_get_public (privkey,
- &pubkey);
- record_expiration = GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
- EXPIRATION);
- records[0].expiration_time = record_expiration.abs_value_us;
- records[0].record_type = TEST_RECORD_TYPE;
- records[0].data_size = TEST_RECORD_DATALEN;
- records[0].data = GNUNET_malloc (TEST_RECORD_DATALEN);
- records[0].flags = GNUNET_GNSRECORD_RF_NONE;
- memset ((char *) records[0].data, TEST_RECORD_DATA, TEST_RECORD_DATALEN);
- records[1].expiration_time = GNUNET_TIME_absolute_get ().abs_value_us
- + 1000000000;
- records[1].record_type = TEST_RECORD_TYPE;
- records[1].data_size = TEST_RECORD_DATALEN;
- records[1].data = GNUNET_malloc (TEST_RECORD_DATALEN);
- records[1].flags = GNUNET_GNSRECORD_RF_SHADOW_RECORD;
- memset ((char *) records[1].data, TEST_SHADOW_RECORD_DATA,
- TEST_RECORD_DATALEN);
- nsh = GNUNET_NAMESTORE_connect (cfg);
- nch = GNUNET_NAMECACHE_connect (cfg);
- GNUNET_break (NULL != nsh);
- GNUNET_break (NULL != nch);
- nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, TEST_NAME,
- 2, records, &put_cont, NULL);
- if (NULL == nsqe)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _ ("Namestore cannot store no block\n"));
- }
- GNUNET_free ((void *) records[0].data);
- GNUNET_free ((void *) records[1].data);
- }
- #include "test_common.c"
- int
- main (int argc, char *argv[])
- {
- const char *plugin_name;
- char *cfg_name;
- SETUP_CFG (plugin_name, cfg_name);
- res = 1;
- if (0 !=
- GNUNET_TESTING_peer_run ("test-namestore-api-lookup-shadow-filter",
- cfg_name,
- &run,
- NULL))
- {
- res = 1;
- }
- GNUNET_DISK_purge_cfg_dir (cfg_name,
- "GNUNET_TEST_HOME");
- GNUNET_free (cfg_name);
- return res;
- }
- /* end of test_namestore_api_lookup_shadow_filter.c */
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