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/*
* kakaotalk_voice.c
*
* Copyright (C) 2015 - 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/>.
*
*/
/*
KakaoTalk (call only)
http://www.kakao.com/services/talk/voices
*/
#include "ndpi_api.h"
#ifdef NDPI_SERVICE_KAKAOTALK_VOICE
void ndpi_search_kakaotalk_voice(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) {
struct ndpi_packet_struct *packet = &flow->packet;
unsigned char *vers;
int ver_offs;
if(packet->udp != NULL) {
if((packet->payload[0] == 0x81)
|| (packet->payload[1] == 0xC8)
|| (packet->payload[2] == 0x00)
|| (packet->payload[3] == 0x0C)) {
/* Looks good so far */
/*
inetnum: 1.201.0.0 - 1.201.255.255
netname: KINXINC-KR
*/
if(((ntohl(packet->iph->saddr) & 0xFFFF0000 /* 255.255.0.0 */) == 0x01C90000 /* 1.201.0.0/16 */)
|| ((ntohl(packet->iph->daddr) & 0xFFFF0000 /* 255.255.0.0 */) == 0x01C90000 /* 1.201.0.0/16 */)) {
ndpi_int_add_connection(ndpi_struct, flow, NDPI_SERVICE_KAKAOTALK_VOICE, NDPI_REAL_PROTOCOL);
return;
}
}
}
NDPI_LOG(NDPI_PROTOCOL_KAKAOTALK_VOICE, ndpi_struct, NDPI_LOG_DEBUG, "Exclude kakaotalk_voice.\n");
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_SERVICE_KAKAOTALK_VOICE);
}
#endif
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