diff options
Diffstat (limited to 'src/lib/protocols/warcraft3.c')
-rw-r--r-- | src/lib/protocols/warcraft3.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/lib/protocols/warcraft3.c b/src/lib/protocols/warcraft3.c deleted file mode 100644 index 768c3da74..000000000 --- a/src/lib/protocols/warcraft3.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * warcraft3.c - * - * Copyright (C) 2009-11 - ipoque GmbH - * Copyright (C) 2011-22 - 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_WARCRAFT3 - -#include "ndpi_api.h" -#include "ndpi_private.h" - -static void ndpi_int_warcraft3_add_connection(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_WARCRAFT3, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); -} - -static void ndpi_search_warcraft3(struct ndpi_detection_module_struct *ndpi_struct, - struct ndpi_flow_struct *flow) -{ - struct ndpi_packet_struct *packet = &ndpi_struct->packet; - - u_int16_t l; /* - Leave it as u_int32_t because otherwise 'u_int16_t temp' - might overflood it and thus generate an infinite loop - */ - - NDPI_LOG_DBG(ndpi_struct, "search WARCRAFT3\n"); - - - if (flow->packet_counter == 1 && packet->payload_packet_len == 1 && packet->payload[0] == 0x01) { - NDPI_LOG_DBG2(ndpi_struct, "maybe warcraft3: packet_len == 1\n"); - return; - } else if (packet->payload_packet_len >= 4 && (packet->payload[0] == 0xf7 || packet->payload[0] == 0xff)) { - - NDPI_LOG_DBG2(ndpi_struct, "packet_payload begins with 0xf7 or 0xff\n"); - - l = packet->payload[2] + (packet->payload[3] << 8); // similar to ntohs - - NDPI_LOG_DBG2(ndpi_struct, "l = %u \n", l); - - while (l <= (packet->payload_packet_len - 4)) { - if (packet->payload[l] == 0xf7) { - u_int16_t temp = (packet->payload[l + 2 + 1] << 8) + packet->payload[l + 2]; - NDPI_LOG_DBG2(ndpi_struct, "another f7 visited\n"); - - if((temp <= 2) || (temp > 1500)) { - NDPI_LOG_DBG2(ndpi_struct, "break\n"); - break; - } else { - l += temp; - NDPI_LOG_DBG2(ndpi_struct, "l = %u \n", l); - } - } else { - NDPI_LOG_DBG2(ndpi_struct, "break\n"); - break; - } - } - - if (l == packet->payload_packet_len) { - NDPI_LOG_DBG2(ndpi_struct, "maybe WARCRAFT3 flow->packet_counter = %u \n", - flow->packet_counter); - if (flow->packet_counter > 2) { - NDPI_LOG_INFO(ndpi_struct, "found WARCRAFT3\n"); - ndpi_int_warcraft3_add_connection(ndpi_struct, flow); - return; - } - return; - } - } - - NDPI_EXCLUDE_PROTO(ndpi_struct, flow); -} - - -void init_warcraft3_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) -{ - ndpi_set_bitmask_protocol_detection("Warcraft3", ndpi_struct, *id, - NDPI_PROTOCOL_WARCRAFT3, - ndpi_search_warcraft3, - NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_OR_UDP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION, - SAVE_DETECTION_BITMASK_AS_UNKNOWN, - ADD_TO_DETECTION_BITMASK); - - *id += 1; -} - |