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* Copyright (C) 2009-2011 by ipoque GmbH
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* Copyright (C) 2011-13 - ntop.org
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* This file is part of nDPI, an open source deep packet inspection
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* library based on the OpenDPI and PACE technology by ipoque GmbH
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* nDPI is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* nDPI is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public License
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* along with nDPI. If not, see <http://www.gnu.org/licenses/>.
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#include "ndpi_protocols.h"
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#ifdef NDPI_PROTOCOL_ARMAGETRON
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static void ndpi_int_armagetron_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
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struct ndpi_flow_struct *flow)
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ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_ARMAGETRON, NDPI_REAL_PROTOCOL);
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void ndpi_search_armagetron_udp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
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struct ndpi_packet_struct *packet = &flow->packet;
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// struct ndpi_id_struct *src=ndpi_struct->src;
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// struct ndpi_id_struct *dst=ndpi_struct->dst;
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NDPI_LOG(NDPI_PROTOCOL_ARMAGETRON, ndpi_struct, NDPI_LOG_DEBUG, "search armagetron.\n");
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if (packet->payload_packet_len > 10) {
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if (get_u_int32_t(packet->payload, 0) == htonl(0x000b0000)) {
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const u_int16_t dataLength = ntohs(get_u_int16_t(packet->payload, 4));
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if (dataLength == 0 || dataLength * 2 + 8 != packet->payload_packet_len)
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if (get_u_int16_t(packet->payload, 6) == htons(0x0008)
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&& get_u_int16_t(packet->payload, packet->payload_packet_len - 2) == 0) {
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NDPI_LOG(NDPI_PROTOCOL_ARMAGETRON, ndpi_struct, NDPI_LOG_DEBUG, "detected armagetron.\n");
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ndpi_int_armagetron_add_connection(ndpi_struct, flow);
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if (packet->payload_packet_len == 16 && get_u_int16_t(packet->payload, 0) == htons(0x001c)
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&& get_u_int16_t(packet->payload, 2) != 0) {
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const u_int16_t dataLength = ntohs(get_u_int16_t(packet->payload, 4));
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if (get_u_int32_t(packet->payload, 6) == htonl(0x00000500) && get_u_int32_t(packet->payload, 6 + 4) == htonl(0x00010000)
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&& get_u_int16_t(packet->payload, packet->payload_packet_len - 2) == 0) {
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NDPI_LOG(NDPI_PROTOCOL_ARMAGETRON, ndpi_struct, NDPI_LOG_DEBUG, "detected armagetron.\n");
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ndpi_int_armagetron_add_connection(ndpi_struct, flow);
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/* net_sync combination */
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if (packet->payload_packet_len > 50 && get_u_int16_t(packet->payload, 0) == htons(0x0018)
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&& get_u_int16_t(packet->payload, 2) != 0) {
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const u_int16_t dataLength = ntohs(get_u_int16_t(packet->payload, 4));
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if (dataLength == 0 || dataLength * 2 + 8 > packet->payload_packet_len)
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val = get_u_int16_t(packet->payload, 6 + 2);
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if (val == get_u_int16_t(packet->payload, 6 + 6)) {
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val = ntohs(get_u_int16_t(packet->payload, 6 + 8));
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if ((6 + 10 + val + 4) < packet->payload_packet_len
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&& (get_u_int32_t(packet->payload, 6 + 10 + val) == htonl(0x00010000)
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|| get_u_int32_t(packet->payload, 6 + 10 + val) == htonl(0x00000001))
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&& get_u_int16_t(packet->payload, packet->payload_packet_len - 2) == 0) {
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NDPI_LOG(NDPI_PROTOCOL_ARMAGETRON, ndpi_struct, NDPI_LOG_DEBUG, "detected armagetron.\n");
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ndpi_int_armagetron_add_connection(ndpi_struct, flow);
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NDPI_LOG(NDPI_PROTOCOL_ARMAGETRON, ndpi_struct, NDPI_LOG_DEBUG, "exclude armagetron.\n");
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NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_ARMAGETRON);