diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/ndpi_private.h | 1 | ||||
| -rw-r--r-- | src/include/ndpi_protocol_ids.h | 1 | ||||
| -rw-r--r-- | src/lib/ndpi_main.c | 8 | ||||
| -rw-r--r-- | src/lib/protocols/glbp.c | 81 |
4 files changed, 91 insertions, 0 deletions
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h index 311ee0389..864ae5493 100644 --- a/src/include/ndpi_private.h +++ b/src/include/ndpi_private.h @@ -1037,6 +1037,7 @@ void init_gearup_booster_dissector(struct ndpi_detection_module_struct *ndpi_str void init_msdo_dissector(struct ndpi_detection_module_struct *ndpi_struct); void init_melsec_dissector(struct ndpi_detection_module_struct *ndpi_struct); void init_hamachi_dissector(struct ndpi_detection_module_struct *ndpi_struct); +void init_glbp_dissector(struct ndpi_detection_module_struct *ndpi_struct); #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_private.h" diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h index afbbaddd8..f6995cf9a 100644 --- a/src/include/ndpi_protocol_ids.h +++ b/src/include/ndpi_protocol_ids.h @@ -480,6 +480,7 @@ typedef enum { NDPI_PROTOCOL_ROCKSTAR_GAMES = 449, NDPI_PROTOCOL_KICK = 450, NDPI_PROTOCOL_HAMACHI = 451, + NDPI_PROTOCOL_GLBP = 452, #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_protocol_ids.h" diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index a0d02500e..c98115cfe 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -2911,6 +2911,11 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp ndpi_build_default_ports(ports_a, 12975, 32976, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 17771, 0, 0, 0, 0) /* UDP */, 0); + ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_GLBP, + "GLBP", NDPI_PROTOCOL_CATEGORY_NETWORK, NDPI_PROTOCOL_QOE_CATEGORY_UNSPECIFIED, + ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, + ndpi_build_default_ports(ports_b, 3222, 0, 0, 0, 0) /* UDP */, + 0); #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main.c" @@ -7173,6 +7178,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* Hamachi */ init_hamachi_dissector(ndpi_str); + /* Gateway Load Balancing Protocol */ + init_glbp_dissector(ndpi_str); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/glbp.c b/src/lib/protocols/glbp.c new file mode 100644 index 000000000..b5be147d8 --- /dev/null +++ b/src/lib/protocols/glbp.c @@ -0,0 +1,81 @@ +/* + * glbp.c + * + * Gateway Load Balancing Protocol + * + * Copyright (C) 2025 - ntop.org + * Copyright (C) 2025 - V.G <v.gavrilov@securitycode.ru> + * + * 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_GLBP + +#include "ndpi_api.h" +#include "ndpi_private.h" + +#define GLBP_PORT 3222 /* IANA registered */ + +static void ndpi_int_glbp_add_connection(struct ndpi_detection_module_struct * const ndpi_struct, + struct ndpi_flow_struct * const flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found GLBP\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_GLBP, NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_glbp(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 GLBP\n"); + + if (packet->payload_packet_len < 12) { + goto exclude; + } + + if ((packet->udp->source != htons(GLBP_PORT)) || + (packet->udp->dest != htons(GLBP_PORT))) + { + goto exclude; + } + + if ((packet->payload[0] > 1) || + (ntohs(get_u_int16_t(packet->payload, 2)) > 1023)) + { + goto exclude; + } + + ndpi_int_glbp_add_connection(ndpi_struct, flow); + return; + +exclude: + NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow); +} + +void init_glbp_dissector(struct ndpi_detection_module_struct *ndpi_struct) +{ + register_dissector("GLBP", ndpi_struct, + ndpi_search_glbp, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + 1, NDPI_PROTOCOL_GLBP); +} |