diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/ndpi_main.c | 7 | ||||
| -rw-r--r-- | src/lib/protocols/flute.c | 76 |
2 files changed, 83 insertions, 0 deletions
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index ade32dda1..2d86be507 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -2275,6 +2275,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp "PFCP", NDPI_PROTOCOL_CATEGORY_NETWORK, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 8805, 0, 0, 0, 0) /* UDP */); + ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_FLUTE, + "FLUTE", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT, + ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, + ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */); #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main.c" @@ -6134,6 +6138,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* Packet Forwarding Control Protocol */ init_pfcp_dissector(ndpi_str, &a); + /* File Delivery over Unidirectional Transport */ + init_flute_dissector(ndpi_str, &a); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/flute.c b/src/lib/protocols/flute.c new file mode 100644 index 000000000..aa53a89a5 --- /dev/null +++ b/src/lib/protocols/flute.c @@ -0,0 +1,76 @@ +/* + * flute.c + * + * File Delivery over Unidirectional Transport + * + * Copyright (C) 2024 - ntop.org + * Copyright (C) 2024 - V.G <jacendi@protonmail.com> + * + * 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_FLUTE + +#include "ndpi_api.h" +#include "ndpi_private.h" + +static void ndpi_search_flute(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; + + NDPI_LOG_DBG(ndpi_struct, "search FLUTE\n"); + + if (packet->payload_packet_len > 250) { + if (packet->payload[0] != 0x10) { + goto not_flute; + } + + u_int16_t lct_hdr_len = packet->payload[2] * 4; + if (packet->payload_packet_len <= lct_hdr_len + 43) { + goto not_flute; + } + + if (memcmp(&packet->payload[lct_hdr_len+4], "<?xml", NDPI_STATICSTRING_LEN("<?xml")) == 0 && + memcmp(&packet->payload[lct_hdr_len+43], "<FDT", NDPI_STATICSTRING_LEN("<FDT")) == 0) + { + NDPI_LOG_INFO(ndpi_struct, "found FLUTE\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_FLUTE, NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); + } + } + +not_flute: + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); +} + +void init_flute_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("FLUTE", ndpi_struct, *id, + NDPI_PROTOCOL_FLUTE, + ndpi_search_flute, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} |