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/*
* viber.c
*
* Copyright (C) 2013 Remy Mudingay <mudingay@ill.fr>
* Copyright (C) 2013 - 2014 ntop.org
*
* This module 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.
*
* This module 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.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "ndpi_api.h"
#ifdef NDPI_PROTOCOL_VIBER
void ndpi_search_viber(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
NDPI_LOG(NDPI_PROTOCOL_VIBER, ndpi_struct, NDPI_LOG_DEBUG, "search for VIBER.\n");
if(packet->udp != NULL) {
NDPI_LOG(NDPI_PROTOCOL_VIBER, ndpi_struct, NDPI_LOG_DEBUG, "calculating dport over udp.\n");
if((packet->payload_packet_len == 12 && packet->payload[2] == 0x03 && packet->payload[3] == 0x00)
|| (packet->payload_packet_len == 20 && packet->payload[2] == 0x09 && packet->payload[3] == 0x00)
|| ((packet->payload_packet_len < 135) && (packet->payload[0] == 0x11))) {
NDPI_LOG(NDPI_PROTOCOL_VIBER, ndpi_struct, NDPI_LOG_DEBUG, "found VIBER.\n");
ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_VIBER, NDPI_REAL_PROTOCOL);
return;
}
}
NDPI_LOG(NDPI_PROTOCOL_VIBER, ndpi_struct, NDPI_LOG_DEBUG, "exclude VIBER.\n");
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_VIBER);
}
#endif
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