/*
This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
+ (C) 2012, 2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
+
+
/**
* @file gns/test_gns_ns_lookup.c
* @brief base testcase for testing a local GNS record lookup through NS
* @author Martin Schanzenbach
*/
#include "platform.h"
-#include "gnunet_testing_lib-new.h"
+#include "gnunet_testing_lib.h"
#include "gnunet_core_service.h"
#include "block_dns.h"
#include "gnunet_signatures.h"
#include "gnunet_dnsparser_lib.h"
#include "gnunet_gns_service.h"
-/* Timeout for entire testcase */
+/**
+ * Timeout for entire testcase
+ */
#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
-/* test records to resolve */
-#define TEST_DOMAIN "www.homepage.gads"
-#define TEST_DOMAIN_ALT "homepage.gads"
-#define TEST_DOMAIN_ALT2 "uk.homepage.gads"
+/**
+ * Name to resolve for testing. NS record on 'homepage.gnu' redirects to
+ * DNS 'TEST_RECORD_NS' domain and thus names should be resolved within
+ * that target domain.
+ */
+#define TEST_DOMAIN "www.homepage.gnu"
+
+/**
+ * Name to resolve for testing. NS record on 'homepage.gnu' redirects to
+ * DNS 'TEST_RECORD_NS' domain and thus names should be resolved within
+ * that target domain.
+ */
+#define TEST_DOMAIN_ALT "homepage.gnu"
+
+/**
+ * Name to resolve for testing. NS record on 'homepage.gnu' redirects to
+ * DNS 'TEST_RECORD_NS' domain and thus names should be resolved within
+ * that target domain.
+ */
+#define TEST_DOMAIN_ALT2 "uk.homepage.gnu"
+
+/**
+ * Expected test value (matching TEST_DOMAIN_ALT2).
+ * Currently 'uk.gnunet.org' / 'stat.wensley.org.uk'.
+ */
#define TEST_IP_ALT2 "81.187.252.184"
+
+/**
+ * Must be the IP address for TEST_RECORD_NS in DNS and TEST_DOMAIN in GADS;
+ * used to check that DNS is working as expected. We use the IPv4
+ * address of gnunet.org.
+ */
#define TEST_IP "131.159.74.67"
-#define TEST_IP_NS "216.69.185.1" //ns01.domaincontrol.com
-#define TEST_RECORD_NAME "homepage"
+
+/**
+ * DNS domain name used for testing.
+ */
#define TEST_RECORD_NS "gnunet.org"
-/* Task handle to use to schedule test failure */
+/**
+ * Nameserver for 'TEST_RECORD_NS', currently 'a.ns.joker.com'.
+ */
+#define TEST_IP_NS "184.172.157.218"
+
+/**
+ * Name we use within our GADS zone.
+ */
+#define TEST_RECORD_NAME "homepage"
+
+/**
+ * Task handle to use to schedule test failure
+ */
static GNUNET_SCHEDULER_TaskIdentifier die_task;
-/* Global return value (0 for success, anything else for failure) */
+/**
+ * Global return value (0 for success, anything else for failure)
+ */
static int ok;
+/**
+ * Flag we set if the DNS resolver seems to be working.
+ */
static int resolver_working;
+/**
+ * Handle to namestore.
+ */
static struct GNUNET_NAMESTORE_Handle *namestore_handle;
+/**
+ * Handle to GNS resolver.
+ */
static struct GNUNET_GNS_Handle *gns_handle;
+/**
+ * Handle for DNS request.
+ */
static struct GNUNET_RESOLVER_RequestHandle *resolver_handle;
+/**
+ * Our configuration.
+ */
static const struct GNUNET_CONFIGURATION_Handle *cfg;
+/**
+ * Handle for active GNS lookup.
+ */
static struct GNUNET_GNS_LookupRequest *lr;
+/**
+ * Queue for storing records in namestore.
+ */
+static struct GNUNET_NAMESTORE_QueueEntry *qe;
+
+/**
+ * Our private key for signing records.
+ */
+static struct GNUNET_CRYPTO_EccPrivateKey *alice_key;
+
/**
* Check if the get_handle is being used, if so stop the request. Either
GNUNET_RESOLVER_request_cancel (resolver_handle);
resolver_handle = NULL;
}
+ if (NULL != qe)
+ {
+ GNUNET_NAMESTORE_cancel (qe);
+ qe = NULL;
+ }
if (NULL != gns_handle)
{
GNUNET_GNS_disconnect(gns_handle);
GNUNET_NAMESTORE_disconnect (namestore_handle);
namestore_handle = NULL;
}
+ if (NULL != alice_key)
+ {
+ GNUNET_free (alice_key);
+ alice_key = NULL;
+ }
GNUNET_break (0);
GNUNET_SCHEDULER_shutdown ();
ok = 1;
}
+/**
+ * We hit a hard failure, shutdown now.
+ */
static void
end_badly_now ()
{
}
+/**
+ * Testcase is finished, terminate everything.
+ */
static void
end_now (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_NO_TASK;
}
+ if (NULL != qe)
+ {
+ GNUNET_NAMESTORE_cancel (qe);
+ qe = NULL;
+ }
if (NULL != resolver_handle)
{
GNUNET_RESOLVER_request_cancel (resolver_handle);
GNUNET_NAMESTORE_disconnect (namestore_handle);
namestore_handle = NULL;
}
+ if (NULL != alice_key)
+ {
+ GNUNET_free (alice_key);
+ alice_key = NULL;
+ }
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
GNUNET_SCHEDULER_shutdown ();
}
+/**
+ * We got resolution result for 'TEST_DOMAIN_ALT2', check if
+ * they match our expectations, then finish the test with success.
+ *
+ * @param cls unused
+ * @param rd_count number of records in rd
+ * @param rd records returned from naming system for the name
+ */
static void
on_lookup_result_alt2 (void *cls, uint32_t rd_count,
const struct GNUNET_NAMESTORE_RecordData *rd)
lr = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received alternative results 2\n");
- if (rd_count == 0)
+ if (0 == rd_count)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Lookup failed\n");
+ "Lookup for `%s' failed\n",
+ TEST_DOMAIN_ALT2);
ok = 2;
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
}
- else
+ ok = 1;
+ for (i=0; i<rd_count; i++)
{
- ok = 1;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
- for (i=0; i<rd_count; i++)
+ if (rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
- if (rd[i].record_type == GNUNET_GNS_RECORD_A)
+ memcpy(&a, rd[i].data, sizeof(a));
+ addr = inet_ntoa(a);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
+ if (0 == strcmp(addr, TEST_IP_ALT2))
{
- memcpy(&a, rd[i].data, sizeof(a));
- addr = inet_ntoa(a);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
- if (0 == strcmp(addr, TEST_IP_ALT2))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
- ok = 0;
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%s correctly resolved to %s!\n",
+ TEST_DOMAIN_ALT2, addr);
+ ok = 0;
}
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got unexpected address %s for %s\n",
+ addr,
+ TEST_DOMAIN);
}
}
+ if (1 == ok)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "None of the results matched the expected value %s for %s\n",
+ TEST_IP,
+ TEST_DOMAIN);
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
+ }
+
GNUNET_SCHEDULER_add_now (&end_now, NULL);
}
+/**
+ * We got resolution result for 'TEST_DOMAIN_ALT', check if
+ * they match our expectations, then move on to the next
+ * resolution.
+ *
+ * @param cls unused
+ * @param rd_count number of records in rd
+ * @param rd records returned from naming system for the name
+ */
static void
on_lookup_result_alt (void *cls, uint32_t rd_count,
const struct GNUNET_NAMESTORE_RecordData *rd)
char* addr;
lr = NULL;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received alternative results\n");
- if (rd_count == 0)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received alternative results\n");
+ if (0 == rd_count)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Lookup failed\n");
+ "Lookup for `%s' failed\n",
+ TEST_DOMAIN_ALT);
ok = 2;
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
}
- else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received %u results for %s\n",
+ (unsigned int) rd_count,
+ TEST_DOMAIN_ALT);
+ ok = 1;
+ for (i=0; i<rd_count; i++)
{
- ok = 1;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
- for (i=0; i<rd_count; i++)
+ if (rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
- if (rd[i].record_type == GNUNET_GNS_RECORD_A)
+ memcpy (&a, rd[i].data, sizeof(a));
+ addr = inet_ntoa (a);
+ if (0 == strcmp(addr, TEST_IP))
{
- memcpy(&a, rd[i].data, sizeof(a));
- addr = inet_ntoa(a);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
- if (0 == strcmp(addr, TEST_IP))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
- ok = 0;
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
+ ok = 0;
}
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got unexpected address %s for %s\n",
+ addr,
+ TEST_DOMAIN_ALT);
}
}
+ if (1 == ok)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "None of the results matched the expected value %s for %s\n",
+ TEST_IP,
+ TEST_DOMAIN_ALT);
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
+ }
- lr = GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_ALT2, GNUNET_GNS_RECORD_A,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting lookup for `%s'\n",
+ TEST_DOMAIN_ALT2);
+ lr = GNUNET_GNS_lookup (gns_handle,
+ TEST_DOMAIN_ALT2, GNUNET_DNSPARSER_TYPE_A,
GNUNET_YES,
NULL,
- &on_lookup_result_alt2, TEST_DOMAIN_ALT2);
+ &on_lookup_result_alt2, NULL);
}
+/**
+ * We got resolution result for 'TEST_DOMAIN', check if
+ * they match our expectations, then move on to the next
+ * resolution.
+ *
+ * @param cls unused
+ * @param rd_count number of records in rd
+ * @param rd records returned from naming system for the name
+ */
static void
-on_lookup_result(void *cls, uint32_t rd_count,
- const struct GNUNET_NAMESTORE_RecordData *rd)
+on_lookup_result (void *cls, uint32_t rd_count,
+ const struct GNUNET_NAMESTORE_RecordData *rd)
{
struct in_addr a;
uint32_t i;
char* addr;
lr = NULL;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received results\n");
- if (rd_count == 0)
+ if (0 == rd_count)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Lookup failed\n");
+ "Lookup for `%s' failed\n",
+ TEST_DOMAIN);
ok = 2;
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
}
- else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received %u results for %s\n",
+ (unsigned int) rd_count,
+ TEST_DOMAIN);
+ ok = 1;
+ for (i=0; i<rd_count; i++)
{
- ok = 1;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
- for (i=0; i<rd_count; i++)
+ if (rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
- if (rd[i].record_type == GNUNET_GNS_RECORD_A)
+ memcpy (&a, rd[i].data, sizeof(a));
+ addr = inet_ntoa(a);
+ if (0 == strcmp (addr, TEST_IP))
{
- memcpy(&a, rd[i].data, sizeof(a));
- addr = inet_ntoa(a);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
- if (0 == strcmp(addr, TEST_IP))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
- ok = 0;
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%s correctly resolved to %s!\n",
+ TEST_DOMAIN, addr);
+ ok = 0;
}
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Got unexpected address %s for %s\n",
+ addr,
+ TEST_DOMAIN);
}
}
+ if (1 == ok)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "None of the results matched the expected value %s for %s\n",
+ TEST_IP,
+ TEST_DOMAIN);
+ GNUNET_SCHEDULER_add_now (&end_now, NULL);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting lookup for `%s'\n",
+ TEST_DOMAIN_ALT);
- lr = GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_ALT, GNUNET_GNS_RECORD_A,
+ lr = GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_ALT, GNUNET_DNSPARSER_TYPE_A,
GNUNET_YES,
NULL,
- &on_lookup_result_alt, TEST_DOMAIN_ALT);
+ &on_lookup_result_alt, NULL);
}
+/**
+ * Start the actual NS-based lookup.
+ */
static void
start_lookup ()
{
- GNUNET_NAMESTORE_disconnect (namestore_handle);
- namestore_handle = NULL;
-
gns_handle = GNUNET_GNS_connect (cfg);
if (NULL == gns_handle)
{
end_badly_now ();
return;
}
-
- lr = GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Records ready, starting lookup for `%s'\n",
+ TEST_DOMAIN);
+ lr = GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN, GNUNET_DNSPARSER_TYPE_A,
GNUNET_YES,
NULL,
- &on_lookup_result, TEST_DOMAIN);
+ &on_lookup_result, NULL);
}
+/**
+ * Function called with the result of resolving the "NS" record
+ * for TEST_RECORD_NS. Check if the NS record is set as expected,
+ * and if so, continue with the test.
+ *
+ * @param cls closure, unused
+ * @param addr NULL for last address,
+ * @param addrlen number of bytes in addr
+ */
static void
handle_dns_test (void *cls,
const struct sockaddr *addr,
{
ok = 0;
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "System resolver not working. Test inconclusive!\n");
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
+ "System resolver not working as expected. Test inconclusive!\n");
GNUNET_SCHEDULER_add_now (&end_now, NULL);
return;
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Starting lookup \n");
+ /* done preparing records, start lookup */
+ GNUNET_NAMESTORE_disconnect (namestore_handle);
+ namestore_handle = NULL;
start_lookup ();
return;
}
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received DNS response\n");
if (addrlen == sizeof (struct sockaddr_in))
{
resolver_working = GNUNET_YES;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Resolver is working\n");
+ "Resolver is working (returned expected A record %s for %s)\n",
+ TEST_IP,
+ TEST_RECORD_NS);
}
}
}
/**
* Function scheduled to be run on the successful start of services
* tries to look up the dns record for TEST_DOMAIN
+ *
+ * @param cls closure, unused
+ * @param success GNUNET_OK on success
+ * @param emsg error message, NULL on success
*/
static void
commence_testing (void *cls, int32_t success, const char *emsg)
{
+ qe = NULL;
+ if (NULL != emsg)
+ FPRINTF (stderr, "Failed to create record: %s\n", emsg);
+ GNUNET_assert (GNUNET_YES == success);
resolver_working = GNUNET_NO;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Resolving NS record\n");
+ "Resolving NS record for %s\n",
+ TEST_RECORD_NS);
GNUNET_RESOLVER_connect (cfg);
resolver_handle = GNUNET_RESOLVER_ip_get (TEST_RECORD_NS,
AF_INET,
}
+/**
+ * Peer is ready, run the actual test. Begins by storing
+ * a record in the namestore.
+ *
+ * @param cls closure, NULL
+ * @param ccfg our configuration
+ * @param peer handle to the peer
+ */
static void
do_check (void *cls,
const struct GNUNET_CONFIGURATION_Handle *ccfg,
struct GNUNET_TESTING_Peer *peer)
{
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
- struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
+ struct GNUNET_CRYPTO_EccPublicSignKey alice_pkey;
char* alice_keyfile;
- struct GNUNET_NAMESTORE_RecordData rd;
- const char* ip = TEST_IP_NS;
+ struct GNUNET_NAMESTORE_RecordData rd[2];
struct in_addr ns;
cfg = ccfg;
die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
/* put records into namestore */
- namestore_handle = GNUNET_NAMESTORE_connect(cfg);
+ namestore_handle = GNUNET_NAMESTORE_connect (cfg);
if (NULL == namestore_handle)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
return;
}
- alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
- GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
- GNUNET_free(alice_keyfile);
-
- rd.expiration_time = UINT64_MAX;
- GNUNET_assert(1 == inet_pton (AF_INET, ip, &ns));
- rd.data_size = sizeof(struct in_addr);
- rd.data = &ns;
- rd.record_type = GNUNET_DNSPARSER_TYPE_A;
- rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
+ alice_key = GNUNET_CRYPTO_ecc_key_create_from_file (alice_keyfile);
+ GNUNET_CRYPTO_ecc_key_get_public_for_signature (alice_key, &alice_pkey);
+ GNUNET_free (alice_keyfile);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Creating records\n");
- GNUNET_NAMESTORE_record_create (namestore_handle,
- alice_key,
- TEST_RECORD_NAME,
- &rd,
- NULL,
- NULL);
- rd.data_size = strlen (TEST_RECORD_NS);
- rd.data = TEST_RECORD_NS;
- rd.record_type = GNUNET_GNS_RECORD_NS;
- GNUNET_NAMESTORE_record_create (namestore_handle,
- alice_key,
- TEST_RECORD_NAME,
- &rd,
- &commence_testing,
- NULL);
- GNUNET_CRYPTO_rsa_key_free(alice_key);
+ "Creating NS records\n");
+ rd[0].expiration_time = UINT64_MAX;
+ GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_NS, &ns));
+ rd[0].data_size = sizeof (struct in_addr);
+ rd[0].data = &ns;
+ rd[0].record_type = GNUNET_DNSPARSER_TYPE_A;
+ rd[0].flags = GNUNET_NAMESTORE_RF_NONE;
+
+ rd[1].expiration_time = UINT64_MAX;
+ rd[1].data_size = strlen (TEST_RECORD_NS);
+ rd[1].data = TEST_RECORD_NS;
+ rd[1].record_type = GNUNET_DNSPARSER_TYPE_NS;
+ rd[1].flags = GNUNET_NAMESTORE_RF_NONE;
+
+ qe = GNUNET_NAMESTORE_record_put_by_authority (namestore_handle,
+ alice_key,
+ TEST_RECORD_NAME,
+ 2, rd,
+ &commence_testing,
+ NULL);
}
main (int argc, char *argv[])
{
ok = 1;
- GNUNET_log_setup ("test-gns-simple-ns-lookup",
- "WARNING",
- NULL);
GNUNET_TESTING_peer_run ("test-gns-simple-ns-lookup", "test_gns_simple_lookup.conf",
&do_check, NULL);
return ok;
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