/src/ndpi/src/lib/protocols/qq.c
Line | Count | Source |
1 | | /* |
2 | | * qq.c |
3 | | * |
4 | | * Copyright (C) 2009-2011 |
5 | | * Copyright (C) 2011-18 - ntop.org |
6 | | * |
7 | | * This file is part of nDPI, an open source deep packet inspection |
8 | | * library based on the OpenDPI and PACE technology by ipoque GmbH |
9 | | * |
10 | | * nDPI is free software: you can redistribute it and/or modify |
11 | | * it under the terms of the GNU Lesser General Public License as published by |
12 | | * the Free Software Foundation, either version 3 of the License, or |
13 | | * (at your option) any later version. |
14 | | * |
15 | | * nDPI is distributed in the hope that it will be useful, |
16 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | | * GNU Lesser General Public License for more details. |
19 | | * |
20 | | * You should have received a copy of the GNU Lesser General Public License |
21 | | * along with nDPI. If not, see <http://www.gnu.org/licenses/>. |
22 | | * |
23 | | */ |
24 | | |
25 | | #include "ndpi_protocol_ids.h" |
26 | | |
27 | | #define NDPI_CURRENT_PROTO NDPI_PROTOCOL_QQ |
28 | | |
29 | | #include "ndpi_api.h" |
30 | | #include "ndpi_private.h" |
31 | | |
32 | | |
33 | | static void ndpi_int_qq_add_connection(struct ndpi_detection_module_struct *ndpi_struct, |
34 | | struct ndpi_flow_struct *flow) |
35 | 0 | { |
36 | 0 | ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_QQ, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); |
37 | 0 | } |
38 | | |
39 | | |
40 | | static void ndpi_search_qq(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) |
41 | 0 | { |
42 | 0 | struct ndpi_packet_struct *packet = &ndpi_struct->packet; |
43 | |
|
44 | 0 | NDPI_LOG_DBG(ndpi_struct, "search QQ\n"); |
45 | |
|
46 | 0 | if ((packet->payload_packet_len == 72 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004800) || |
47 | 0 | (packet->payload_packet_len == 64 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004000) || |
48 | 0 | (packet->payload_packet_len == 60 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02004200) || |
49 | 0 | (packet->payload_packet_len == 84 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02005a00) || |
50 | 0 | (packet->payload_packet_len == 56 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x02003800) || |
51 | 0 | (packet->payload_packet_len >= 39 && ntohl(get_u_int32_t(packet->payload, 0)) == 0x28000000)) { |
52 | 0 | NDPI_LOG_INFO(ndpi_struct, "found QQ\n"); |
53 | 0 | ndpi_int_qq_add_connection(ndpi_struct, flow); |
54 | 0 | } else { |
55 | 0 | if(flow->num_processed_pkts > 4) |
56 | 0 | NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow); |
57 | 0 | } |
58 | 0 | } |
59 | | |
60 | | |
61 | | void init_qq_dissector(struct ndpi_detection_module_struct *ndpi_struct) |
62 | 1 | { |
63 | 1 | register_dissector("QQ", ndpi_struct, |
64 | 1 | ndpi_search_qq, |
65 | 1 | NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, |
66 | 1 | 1, NDPI_PROTOCOL_QQ); |
67 | 1 | } |