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/*
* qq.c
*
* Copyright (C) 2009-2011
* Copyright (C) 2011-18 - ntop.org
*
* This file is part of nDPI, an open source deep packet inspection
* library based on the OpenDPI and PACE technology by ipoque GmbH
*
* nDPI is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nDPI 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nDPI. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ndpi_protocol_ids.h"
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_QQ
#include "ndpi_api.h"
static void ndpi_int_qq_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow/* , */
/* ndpi_protocol_type_t protocol_type */)
{
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_QQ, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
}
void ndpi_search_qq(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &ndpi_struct->packet;
NDPI_LOG_DBG(ndpi_struct, "search QQ\n");
if ((packet->payload_packet_len == 72 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004800) ||
(packet->payload_packet_len == 64 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004000) ||
(packet->payload_packet_len == 60 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004200) ||
(packet->payload_packet_len == 84 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02005a00) ||
(packet->payload_packet_len == 56 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02003800) ||
(packet->payload_packet_len >= 39 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x28000000)) {
NDPI_LOG_INFO(ndpi_struct, "found QQ\n");
ndpi_int_qq_add_connection(ndpi_struct, flow);
} else {
if(flow->num_processed_pkts > 4)
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
}
void init_qq_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id,
NDPI_PROTOCOL_BITMASK *detection_bitmask)
{
ndpi_set_bitmask_protocol_detection("QQ", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_QQ,
ndpi_search_qq,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
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