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/*
* teamspeak.c
*
* Copyright (C) 2013 Remy Mudingay <mudingay@ill.fr>
*
* 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_TEAMSPEAK
static void ndpi_int_teamspeak_add_connection(struct ndpi_detection_module_struct
*ndpi_struct, struct ndpi_flow_struct *flow)
{
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_TEAMSPEAK, NDPI_PROTOCOL_UNKNOWN);
}
u_int16_t tdport = 0, tsport = 0;
u_int16_t udport = 0, usport = 0;
void ndpi_search_teamspeak(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
if (packet->udp != NULL) {
usport = ntohs(packet->udp->source), udport = ntohs(packet->udp->dest);
/* http://www.imfirewall.com/en/protocols/teamSpeak.htm */
if (((usport == 9987 || udport == 9987) || (usport == 8767 || udport == 8767)) && packet->payload_packet_len >= 20) {
NDPI_LOG(NDPI_PROTOCOL_TEAMSPEAK, ndpi_struct, NDPI_LOG_DEBUG, "found TEAMSPEAK udp.\n");
ndpi_int_teamspeak_add_connection(ndpi_struct, flow);
}
}
else if (packet->tcp != NULL) {
tsport = ntohs(packet->tcp->source), tdport = ntohs(packet->tcp->dest);
/* https://github.com/Youx/soliloque-server/wiki/Connection-packet */
if(packet->payload_packet_len >= 20) {
if (((memcmp(packet->payload, "\xf4\xbe\x03\x00", 4) == 0)) ||
((memcmp(packet->payload, "\xf4\xbe\x02\x00", 4) == 0)) ||
((memcmp(packet->payload, "\xf4\xbe\x01\x00", 4) == 0))) {
NDPI_LOG(NDPI_PROTOCOL_TEAMSPEAK, ndpi_struct, NDPI_LOG_DEBUG, "found TEAMSPEAK tcp.\n");
ndpi_int_teamspeak_add_connection(ndpi_struct, flow);
} /* http://www.imfirewall.com/en/protocols/teamSpeak.htm */
} else if ((tsport == 14534 || tdport == 14534) || (tsport == 51234 || tdport == 51234)) {
NDPI_LOG(NDPI_PROTOCOL_TEAMSPEAK, ndpi_struct, NDPI_LOG_DEBUG, "found TEAMSPEAK.\n");
ndpi_int_teamspeak_add_connection(ndpi_struct, flow);
}
}
NDPI_LOG(NDPI_PROTOCOL_TEAMSPEAK, ndpi_struct, NDPI_LOG_DEBUG, "TEAMSPEAK excluded.\n");
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_TEAMSPEAK);
return;
}
void init_teamspeak_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
{
ndpi_set_bitmask_protocol_detection("TEAMSPEAK", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_TEAMSPEAK,
ndpi_search_teamspeak,
NDPI_SELECTION_BITMASK_PROTOCOL_TCP_OR_UDP_WITH_PAYLOAD,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
#endif
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