This file is part of GNUnet.
Copyright (C) 2011-2018 GNUnet e.V.
- 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 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
- General Public License for more details.
+ Affero 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ 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 gns/gnunet-service-gns.c
/**
* Task run during shutdown.
*
- * @param cls unused
- * @param tc unused
+ * @param cls unused, NULL
*/
static void
shutdown_task (void *cls)
{
struct GNS_TopLevelDomain *tld;
+ (void) cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Shutting down!\n");
GNS_interceptor_done ();
struct ClientLookupHandle *clh;
struct GnsClient *gc = app_ctx;
+ (void) cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Client %p disconnected\n",
client);
clh);
GNUNET_free (clh);
}
-
GNUNET_free (gc);
}
struct GNUNET_MQ_Handle *mq)
{
struct GnsClient *gc;
+
+ (void) cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Client %p connected\n",
client);
* @param rd the record data
*/
static void
-send_lookup_response (void* cls,
+send_lookup_response (void *cls,
uint32_t rd_count,
const struct GNUNET_GNSRECORD_Data *rd)
{
struct ClientLookupHandle *clh = cls;
+ struct GnsClient *gc = clh->gc;
struct GNUNET_MQ_Envelope *env;
struct LookupResultMessage *rmsg;
- size_t len;
+ ssize_t len;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending LOOKUP_RESULT message with %u results\n",
(unsigned int) rd_count);
-
- len = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
+ len = GNUNET_GNSRECORD_records_get_size (rd_count,
+ rd);
+ if (len < 0)
+ {
+ GNUNET_break (0);
+ GNUNET_SERVICE_client_drop (gc->client);
+ return;
+ }
+ if (len > UINT16_MAX - sizeof (*rmsg))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVICE_client_drop (gc->client);
+ return;
+ }
env = GNUNET_MQ_msg_extra (rmsg,
len,
GNUNET_MESSAGE_TYPE_GNS_LOOKUP_RESULT);
rmsg->id = clh->request_id;
rmsg->rd_count = htonl (rd_count);
- GNUNET_GNSRECORD_records_serialize (rd_count, rd, len,
- (char*) &rmsg[1]);
- GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq(clh->gc->client),
+ GNUNET_assert (len ==
+ GNUNET_GNSRECORD_records_serialize (rd_count,
+ rd,
+ len,
+ (char*) &rmsg[1]));
+ GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq (gc->client),
env);
- GNUNET_CONTAINER_DLL_remove (clh->gc->clh_head,
- clh->gc->clh_tail,
+ GNUNET_CONTAINER_DLL_remove (gc->clh_head,
+ gc->clh_tail,
clh);
GNUNET_free (clh);
GNUNET_STATISTICS_update (statistics,
check_lookup (void *cls,
const struct LookupMessage *l_msg)
{
- size_t msg_size;
- const char* name;
+ size_t nlen;
- msg_size = ntohs (l_msg->header.size);
- if (msg_size < sizeof (struct LookupMessage))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- name = (const char *) &l_msg[1];
- if ( ('\0' != name[msg_size - sizeof (struct LookupMessage) - 1]) ||
- (strlen (name) > GNUNET_DNSPARSER_MAX_NAME_LENGTH) )
+ (void) cls;
+ GNUNET_MQ_check_zero_termination (l_msg);
+ nlen = ntohs (l_msg->header.size) - sizeof (struct LookupMessage);
+ if (nlen > GNUNET_DNSPARSER_MAX_NAME_LENGTH)
{
GNUNET_break (0);
return GNUNET_SYSERR;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received LOOKUP `%s' message\n",
name);
-
clh = GNUNET_new (struct ClientLookupHandle);
GNUNET_CONTAINER_DLL_insert (gc->clh_head,
gc->clh_tail,
struct GNUNET_CRYPTO_EcdsaPublicKey pk;
struct GNS_TopLevelDomain *tld;
+ (void) cls;
+ (void) section;
if (option[0] != '.')
return;
if (GNUNET_OK !=