mirror of
https://github.com/vel21ripn/nDPI.git
synced 2026-05-05 10:41:40 +00:00
116 lines
4.7 KiB
C
116 lines
4.7 KiB
C
/*
|
|
* veohtv.c
|
|
*
|
|
* Copyright (C) 2009-2011 by ipoque GmbH
|
|
* Copyright (C) 2011-15 - 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_api.h"
|
|
|
|
|
|
#ifdef NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV
|
|
|
|
static void ndpi_int_veohtv_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
|
|
struct ndpi_flow_struct *flow, ndpi_protocol_type_t protocol_type)
|
|
{
|
|
ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, protocol_type);
|
|
}
|
|
|
|
void ndpi_search_veohtv_tcp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
|
|
{
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
|
|
// struct ndpi_id_struct *src=ndpi_struct->src;
|
|
// struct ndpi_id_struct *dst=ndpi_struct->dst;
|
|
|
|
if (packet->detected_protocol_stack[0] == NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV)
|
|
return;
|
|
|
|
if (flow->l4.tcp.veoh_tv_stage == 1 || flow->l4.tcp.veoh_tv_stage == 2) {
|
|
if (packet->packet_direction != flow->setup_packet_direction &&
|
|
packet->payload_packet_len > NDPI_STATICSTRING_LEN("HTTP/1.1 20")
|
|
&& memcmp(packet->payload, "HTTP/1.1 ", NDPI_STATICSTRING_LEN("HTTP/1.1 ")) == 0 &&
|
|
(packet->payload[NDPI_STATICSTRING_LEN("HTTP/1.1 ")] == '2' ||
|
|
packet->payload[NDPI_STATICSTRING_LEN("HTTP/1.1 ")] == '3' ||
|
|
packet->payload[NDPI_STATICSTRING_LEN("HTTP/1.1 ")] == '4' ||
|
|
packet->payload[NDPI_STATICSTRING_LEN("HTTP/1.1 ")] == '5')) {
|
|
#ifdef NDPI_CONTENT_FLASH
|
|
ndpi_parse_packet_line_info(ndpi_struct, flow);
|
|
if (packet->detected_protocol_stack[0] == NDPI_CONTENT_FLASH &&
|
|
packet->server_line.ptr != NULL &&
|
|
packet->server_line.len > NDPI_STATICSTRING_LEN("Veoh-") &&
|
|
memcmp(packet->server_line.ptr, "Veoh-", NDPI_STATICSTRING_LEN("Veoh-")) == 0) {
|
|
NDPI_LOG(NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, ndpi_struct, NDPI_LOG_DEBUG, "VeohTV detected.\n");
|
|
ndpi_int_veohtv_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
|
|
return;
|
|
}
|
|
#endif
|
|
if (flow->l4.tcp.veoh_tv_stage == 2) {
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask,
|
|
NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV);
|
|
return;
|
|
}
|
|
NDPI_LOG(NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, ndpi_struct, NDPI_LOG_DEBUG, "VeohTV detected.\n");
|
|
ndpi_int_veohtv_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
|
|
return;
|
|
} else if (flow->packet_direction_counter[(flow->setup_packet_direction == 1) ? 0 : 1] > 3) {
|
|
if (flow->l4.tcp.veoh_tv_stage == 2) {
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask,
|
|
NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV);
|
|
return;
|
|
}
|
|
NDPI_LOG(NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, ndpi_struct, NDPI_LOG_DEBUG, "VeohTV detected.\n");
|
|
ndpi_int_veohtv_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
|
|
return;
|
|
} else {
|
|
if (flow->packet_counter > 10) {
|
|
if (flow->l4.tcp.veoh_tv_stage == 2) {
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask,
|
|
NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV);
|
|
return;
|
|
}
|
|
NDPI_LOG(NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, ndpi_struct, NDPI_LOG_DEBUG, "VeohTV detected.\n");
|
|
ndpi_int_veohtv_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
} else if (packet->udp) {
|
|
/* UDP packets from Veoh Client Player
|
|
*
|
|
* packet starts with 16 byte random? value
|
|
* then a 4 byte mode value
|
|
* values between 21 and 26 has been seen
|
|
* then a 4 byte counter */
|
|
|
|
if (packet->payload_packet_len == 28 &&
|
|
get_u_int32_t(packet->payload, 16) == htonl(0x00000021) &&
|
|
get_u_int32_t(packet->payload, 20) == htonl(0x00000000) && get_u_int32_t(packet->payload, 24) == htonl(0x01040000)) {
|
|
NDPI_LOG(NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV, ndpi_struct, NDPI_LOG_DEBUG, "UDP VeohTV found.\n");
|
|
ndpi_int_veohtv_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_HTTP_APPLICATION_VEOHTV);
|
|
}
|
|
#endif
|