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/*
* nintendo.c
*
* Copyright (C) 2017-18 by 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_protocol_ids.h"
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_NINTENDO
#include "ndpi_api.h"
static void ndpi_int_nintendo_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow,
u_int8_t due_to_correlation) {
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_NINTENDO, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
}
void ndpi_search_nintendo(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) {
struct ndpi_packet_struct *packet = &ndpi_struct->packet;
u_int32_t payload_len = packet->payload_packet_len;
if(packet->udp != NULL) {
if(payload_len > 48) {
const char *payload = (const char *)packet->payload;
const char nintendo_pattern[] = { 0x32, 0xab, 0x98, 0x64, 0x02 };
if(memcmp(payload, nintendo_pattern, 5) == 0) {
NDPI_LOG_INFO(ndpi_struct, "found nintendo\n");
ndpi_int_nintendo_add_connection(ndpi_struct, flow, 0);
return;
}
}
}
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
void init_nintendo_dissector(struct ndpi_detection_module_struct *ndpi_struct,
u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask) {
ndpi_set_bitmask_protocol_detection("Nintendo", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_NINTENDO,
ndpi_search_nintendo,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
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