diff options
Diffstat (limited to 'src/lib/protocols/tvants.c')
-rw-r--r-- | src/lib/protocols/tvants.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/lib/protocols/tvants.c b/src/lib/protocols/tvants.c new file mode 100644 index 000000000..5021fadcd --- /dev/null +++ b/src/lib/protocols/tvants.c @@ -0,0 +1,78 @@ +/* + * tvants.c + * + * Copyright (C) 2009-2011 by ipoque GmbH + * Copyright (C) 2011-15 - 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_protocols.h" + +#ifdef NDPI_PROTOCOL_TVANTS + +static void ndpi_int_tvants_add_connection(struct ndpi_detection_module_struct + *ndpi_struct, struct ndpi_flow_struct *flow) +{ + ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_TVANTS, NDPI_REAL_PROTOCOL); +} + + + + +void ndpi_search_tvants_udp(struct ndpi_detection_module_struct + *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct *packet = &flow->packet; + + +// struct ndpi_id_struct *src=ndpi_struct->src; +// struct ndpi_id_struct *dst=ndpi_struct->dst; + + + NDPI_LOG(NDPI_PROTOCOL_TVANTS, ndpi_struct, NDPI_LOG_DEBUG, "search tvants. \n"); + + if (packet->udp != NULL && packet->payload_packet_len > 57 + && packet->payload[0] == 0x04 && packet->payload[1] == 0x00 + && (packet->payload[2] == 0x05 || packet->payload[2] == 0x06 + || packet->payload[2] == 0x07) && packet->payload[3] == 0x00 + && packet->payload_packet_len == (packet->payload[5] << 8) + packet->payload[4] + && packet->payload[6] == 0x00 && packet->payload[7] == 0x00 + && (memcmp(&packet->payload[48], "TVANTS", 6) == 0 + || memcmp(&packet->payload[49], "TVANTS", 6) == 0 || memcmp(&packet->payload[51], "TVANTS", 6) == 0)) { + + NDPI_LOG(NDPI_PROTOCOL_TVANTS, ndpi_struct, NDPI_LOG_DEBUG, "found tvants over udp. \n"); + ndpi_int_tvants_add_connection(ndpi_struct, flow); + + } else if (packet->tcp != NULL && packet->payload_packet_len > 15 + && packet->payload[0] == 0x04 && packet->payload[1] == 0x00 + && packet->payload[2] == 0x07 && packet->payload[3] == 0x00 + && packet->payload_packet_len == (packet->payload[5] << 8) + packet->payload[4] + && packet->payload[6] == 0x00 && packet->payload[7] == 0x00 + && memcmp(&packet->payload[8], "TVANTS", 6) == 0) { + + NDPI_LOG(NDPI_PROTOCOL_TVANTS, ndpi_struct, NDPI_LOG_DEBUG, "found tvants over tcp. \n"); + ndpi_int_tvants_add_connection(ndpi_struct, flow); + + } + NDPI_LOG(NDPI_PROTOCOL_TVANTS, ndpi_struct, NDPI_LOG_DEBUG, "exclude tvants. \n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_TVANTS); + +} +#endif |