From ea62d4e33f400571313c1f1397e6f7d9fe5d214b Mon Sep 17 00:00:00 2001
From: Martin Schanzenbach <mschanzenbach@posteo.de>
Date: Mon, 19 Mar 2012 16:41:50 +0000
Subject: -test for zkey resolver

---
 src/gns/Makefile.am                   |  14 ++
 src/gns/gns.h                         |   3 +
 src/gns/gnunet-service-gns_resolver.c |  13 +-
 src/gns/gnunet-service-gns_resolver.h |   2 -
 src/gns/test_gns_simple_zkey_lookup.c | 356 ++++++++++++++++++++++++++++++++++
 5 files changed, 384 insertions(+), 4 deletions(-)
 create mode 100644 src/gns/test_gns_simple_zkey_lookup.c

(limited to 'src/gns')

diff --git a/src/gns/Makefile.am b/src/gns/Makefile.am
index a13296ea7..f41de7e3c 100644
--- a/src/gns/Makefile.am
+++ b/src/gns/Makefile.am
@@ -36,6 +36,7 @@ check_PROGRAMS = \
   test_gns_simple_lookup \
   test_gns_simple_delegated_lookup \
   test_gns_simple_mx_lookup \
+  test_gns_simple_zkey_lookup \
   test_gns_dht_delegated_lookup \
   test_gns_pseu_shorten
 
@@ -98,6 +99,19 @@ test_gns_simple_mx_lookup_DEPENDENCIES = \
   $(top_builddir)/src/gns/libgnunetgns.la \
   $(top_builddir)/src/testing/libgnunettesting.la
 
+test_gns_simple_zkey_lookup_SOURCES = \
+  test_gns_simple_zkey_lookup.c
+test_gns_simple_zkey_lookup_LDADD = \
+  $(top_builddir)/src/util/libgnunetutil.la \
+  $(top_builddir)/src/namestore/libgnunetnamestore.la \
+  $(top_builddir)/src/gns/libgnunetgns.la \
+  $(top_builddir)/src/testing/libgnunettesting.la
+test_gns_simple_zkey_lookup_DEPENDENCIES = \
+  $(top_builddir)/src/util/libgnunetutil.la \
+  $(top_builddir)/src/namestore/libgnunetnamestore.la \
+  $(top_builddir)/src/gns/libgnunetgns.la \
+  $(top_builddir)/src/testing/libgnunettesting.la
+
 test_gns_dht_delegated_lookup_SOURCES = \
   test_gns_dht_delegated_lookup.c
 test_gns_dht_delegated_lookup_LDADD = \
diff --git a/src/gns/gns.h b/src/gns/gns.h
index 0f9d77537..5950c460b 100644
--- a/src/gns/gns.h
+++ b/src/gns/gns.h
@@ -32,6 +32,9 @@
 #define GNUNET_GNS_TLD_ZKEY "zkey"
 #define GNUNET_GNS_DHT_MAX_UPDATE_INTERVAL 3600
 
+#define MAX_DNS_LABEL_LENGTH 63
+#define MAX_DNS_NAME_LENGTH 253
+
 GNUNET_NETWORK_STRUCT_BEGIN
 
 /**
diff --git a/src/gns/gnunet-service-gns_resolver.c b/src/gns/gnunet-service-gns_resolver.c
index 13c903806..1bbb431e0 100644
--- a/src/gns/gnunet-service-gns_resolver.c
+++ b/src/gns/gnunet-service-gns_resolver.c
@@ -1544,7 +1544,7 @@ gns_resolver_lookup_record(GNUNET_HashCode zone,
 {
   struct ResolverHandle *rh;
   struct RecordLookupHandle* rlh;
-  char* string_hash = "";
+  char string_hash[MAX_DNS_NAME_LENGTH]; //FIXME name len as soon as shorthash
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Starting resolution for %s (type=%d)!\n",
@@ -1575,8 +1575,12 @@ gns_resolver_lookup_record(GNUNET_HashCode zone,
   }
   else
   {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Checking for TLD...\n");
     if (is_zkey_tld(name) == GNUNET_YES)
     {
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "TLD is zkey\n");
       /**
        * This is a zkey tld
        * build hash and use as initial authority
@@ -1587,6 +1591,9 @@ gns_resolver_lookup_record(GNUNET_HashCode zone,
              strlen(name)-strlen(GNUNET_GNS_TLD_ZKEY) - 1);
       pop_tld(rh->name, string_hash);
 
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "ZKEY is %s!\n", string_hash);
+
       if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string(string_hash,
                                                       &rh->authority))
       {
@@ -1601,6 +1608,8 @@ gns_resolver_lookup_record(GNUNET_HashCode zone,
     }
     else
     {
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "TLD is gnunet\n");
       /**
        * Presumably GNUNET tld
        */
@@ -1772,7 +1781,7 @@ handle_delegation_ns_shorten(void* cls,
      * This is our zone append .gnunet unless name is empty
      * (it shouldn't be, usually FIXME what happens if we
      * shorten to our zone to a "" record??)
-     **/
+     */
     
     answer_len = strlen(rh->name) + strlen(GNUNET_GNS_TLD) + 2;
     memset(result, 0, answer_len);
diff --git a/src/gns/gnunet-service-gns_resolver.h b/src/gns/gnunet-service-gns_resolver.h
index ecd059765..fb612d72d 100644
--- a/src/gns/gnunet-service-gns_resolver.h
+++ b/src/gns/gnunet-service-gns_resolver.h
@@ -7,8 +7,6 @@
 #define DHT_OPERATION_TIMEOUT  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
 #define DHT_LOOKUP_TIMEOUT DHT_OPERATION_TIMEOUT
 #define DHT_GNS_REPLICATION_LEVEL 5
-#define MAX_DNS_LABEL_LENGTH 63
-#define MAX_DNS_NAME_LENGTH 253
 
 /*
  * DLL to hold the authority chain
diff --git a/src/gns/test_gns_simple_zkey_lookup.c b/src/gns/test_gns_simple_zkey_lookup.c
new file mode 100644
index 000000000..f8db33973
--- /dev/null
+++ b/src/gns/test_gns_simple_zkey_lookup.c
@@ -0,0 +1,356 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009 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
+     by the Free Software Foundation; either version 3, 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
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+/**
+ * @file gns/test_gns_simple_zkey_lookup.c
+ * @brief base testcase for testing zkey lookup
+ *
+ */
+#include "platform.h"
+#include "gnunet_testing_lib.h"
+#include "gnunet_core_service.h"
+#include "block_dns.h"
+#include "gnunet_signatures.h"
+#include "gnunet_namestore_service.h"
+#include "../namestore/namestore.h"
+#include "gnunet_dnsparser_lib.h"
+#include "gnunet_gns_service.h"
+#include "gns.h"
+
+/* DEFINES */
+#define VERBOSE GNUNET_YES
+
+/* Timeout for entire testcase */
+#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5)
+
+/* If number of peers not in config file, use this number */
+#define DEFAULT_NUM_PEERS 2
+
+/* test records to resolve */
+#define TEST_IP "127.0.0.1"
+#define TEST_RECORD_NAME "www"
+
+#define TEST_AUTHORITY_NAME "bob"
+
+/* Globals */
+
+/**
+ * Directory to store temp data in, defined in config file
+ */
+static char *test_directory;
+
+struct GNUNET_TESTING_Daemon *d1;
+
+
+/* Task handle to use to schedule test failure */
+GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+/* Global return value (0 for success, anything else for failure) */
+static int ok;
+
+static struct GNUNET_NAMESTORE_Handle *namestore_handle;
+
+static struct GNUNET_GNS_Handle *gns_handle;
+
+const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+GNUNET_HashCode bob_hash;
+
+/**
+ * Check whether peers successfully shut down.
+ */
+void
+shutdown_callback (void *cls, const char *emsg)
+{
+  if (emsg != NULL)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
+    if (ok == 0)
+      ok = 2;
+  }
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
+}
+
+static void
+on_lookup_result(void *cls, uint32_t rd_count,
+                 const struct GNUNET_NAMESTORE_RecordData *rd)
+{
+  struct in_addr a;
+  int i;
+  char* addr;
+  
+  if (rd_count == 0)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Lookup failed, rp_filtering?\n");
+    ok = 2;
+  }
+  else
+  {
+    ok = 1;
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
+    for (i=0; i<rd_count; i++)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
+      if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_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))
+        {
+          GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                    "ZKEY correctly resolved to %s!\n", addr);
+          ok = 0;
+        }
+      }
+      else
+      {
+        GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
+      }
+    }
+  }
+  GNUNET_GNS_disconnect(gns_handle);
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
+  GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
+                              GNUNET_YES, GNUNET_NO);
+}
+
+
+/**
+ * Function scheduled to be run on the successful start of services
+ * tries to look up the dns record for TEST_DOMAIN
+ */
+static void
+commence_testing (void *cls, int32_t success, const char *emsg)
+{
+  char name[MAX_DNS_NAME_LENGTH];
+  char* pos;
+  struct GNUNET_CRYPTO_HashAsciiEncoded hash_str;
+  
+  GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
+
+  gns_handle = GNUNET_GNS_connect(cfg);
+
+  if (NULL == gns_handle)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Failed to connect to GNS!\n");
+  }
+
+  pos = name;
+  strcpy(pos, TEST_RECORD_NAME);
+  pos += strlen(TEST_RECORD_NAME);
+  strcpy(pos, ".");
+  pos++;
+  GNUNET_CRYPTO_hash_to_enc(&bob_hash, &hash_str);
+  strcpy(pos, (char*)&hash_str);
+  pos += strlen((char*)&hash_str);
+  strcpy(pos, ".");
+  pos++;
+  strcpy(pos, GNUNET_GNS_TLD_ZKEY);
+
+  GNUNET_GNS_lookup(gns_handle, name, GNUNET_GNS_RECORD_TYPE_A,
+                    &on_lookup_result, NULL);
+}
+
+/**
+ * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
+ * down the peers without freeing memory associated with GET request.
+ */
+static void
+end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+
+  if (d1 != NULL)
+    GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
+                                GNUNET_YES, GNUNET_NO);
+  GNUNET_SCHEDULER_cancel (die_task);
+}
+
+/**
+ * Check if the get_handle is being used, if so stop the request.  Either
+ * way, schedule the end_badly_cont function which actually shuts down the
+ * test.
+ */
+static void
+end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
+              (char *) cls);
+  GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
+  ok = 1;
+}
+
+static void
+do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
+          const struct GNUNET_CONFIGURATION_Handle *cfg,
+          struct GNUNET_TESTING_Daemon *d, const char *emsg)
+{
+  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
+  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
+  struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
+  struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
+  struct GNUNET_CRYPTO_RsaSignature *sig;
+  char* alice_keyfile;
+
+  GNUNET_SCHEDULER_cancel (die_task);
+
+  /* put records into namestore */
+  namestore_handle = GNUNET_NAMESTORE_connect(cfg);
+  if (NULL == namestore_handle)
+  {
+    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
+    ok = -1;
+    return;
+  }
+
+  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
+                                                          "ZONEKEY",
+                                                          &alice_keyfile))
+  {
+    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
+    ok = -1;
+    return;
+  }
+
+  alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
+  bob_key = GNUNET_CRYPTO_rsa_key_create ();
+
+  GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
+  GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
+
+  struct GNUNET_NAMESTORE_RecordData rd;
+  char* ip = TEST_IP;
+  struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
+  rd.expiration = GNUNET_TIME_absolute_get_forever ();
+  GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
+  
+  GNUNET_CRYPTO_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
+
+  rd.data_size = sizeof(GNUNET_HashCode);
+  rd.data = &bob_hash;
+  rd.record_type = GNUNET_GNS_RECORD_PKEY;
+
+  GNUNET_NAMESTORE_record_create (namestore_handle,
+                                  alice_key,
+                                  TEST_AUTHORITY_NAME,
+                                  &rd,
+                                  NULL,
+                                  NULL);
+
+  rd.data_size = sizeof(struct in_addr);
+  rd.data = web;
+  rd.record_type = GNUNET_DNSPARSER_TYPE_A;
+  sig = GNUNET_NAMESTORE_create_signature(bob_key,
+                                          GNUNET_TIME_absolute_get_forever(),
+                                          TEST_RECORD_NAME,
+                                          &rd, 1);
+
+  GNUNET_NAMESTORE_record_put (namestore_handle,
+                               &bob_pkey,
+                               TEST_RECORD_NAME,
+                               rd.expiration,
+                               1,
+                               &rd,
+                               sig,
+                               &commence_testing,
+                               NULL);
+  GNUNET_free(sig);
+  GNUNET_CRYPTO_rsa_key_free(bob_key);
+  GNUNET_CRYPTO_rsa_key_free(alice_key);
+}
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *c)
+{
+  cfg = c;
+   /* Get path from configuration file */
+  if (GNUNET_YES !=
+      GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
+                                             &test_directory))
+  {
+    ok = 404;
+    return;
+  }
+
+    
+  /* Set up a task to end testing if peer start fails */
+  die_task =
+      GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
+                                    "didn't start all daemons in reasonable amount of time!!!");
+  
+  /* Start alice */
+  d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
+                                   NULL, NULL, NULL, &do_lookup, NULL);
+}
+
+static int
+check ()
+{
+  int ret;
+
+  /* Arguments for GNUNET_PROGRAM_run */
+  char *const argv[] = { "test-gns-simple-delegated-lookup", /* Name to give running binary */
+    "-c",
+    "test_gns_simple_lookup.conf",       /* Config file to use */
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  /* Run the run function as a new program */
+  ret =
+      GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
+                          "test-gns-simple-delegated-lookup", "nohelp", options, &run,
+                          &ok);
+  if (ret != GNUNET_OK)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "`test-gns-simple-delegated-lookup': Failed with error code %d\n", ret);
+  }
+  return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+
+  GNUNET_log_setup ("test-gns-simple-lookup",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ret = check ();
+  /**
+   * Need to remove base directory, subdirectories taken care
+   * of by the testing framework.
+   */
+  return ret;
+}
+
+/* end of test_gns_twopeer.c */
-- 
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