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 | 7 | ||||
| -rw-r--r-- | src/lib/protocols/raft.c | 111 |
4 files changed, 120 insertions, 0 deletions
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h index e1273e696..8802421d6 100644 --- a/src/include/ndpi_private.h +++ b/src/include/ndpi_private.h @@ -723,6 +723,7 @@ void init_zoom_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int void init_yojimbo_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_stomp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_radmin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); +void init_raft_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); #endif diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h index ffa9f0e16..cd3729994 100644 --- a/src/include/ndpi_protocol_ids.h +++ b/src/include/ndpi_protocol_ids.h @@ -420,6 +420,7 @@ typedef enum { NDPI_PROTOCOL_ELECTRONICARTS = 389, NDPI_PROTOCOL_STOMP = 390, NDPI_PROTOCOL_RADMIN = 391, + NDPI_PROTOCOL_RAFT = 392, #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 0cea75ced..b70ebdb73 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -2218,6 +2218,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp "Radmin", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS, ndpi_build_default_ports(ports_a, 4899, 0, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */); + ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RAFT, + "Raft", NDPI_PROTOCOL_CATEGORY_NETWORK, + 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" @@ -5884,6 +5888,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* RDP */ init_radmin_dissector(ndpi_str, &a); + /* Raft */ + init_raft_dissector(ndpi_str, &a); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/raft.c b/src/lib/protocols/raft.c new file mode 100644 index 000000000..6f0428561 --- /dev/null +++ b/src/lib/protocols/raft.c @@ -0,0 +1,111 @@ +/* + * raft.c + * + * Copyright (C) 2024 - 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_RAFT +#include "ndpi_api.h" +#include "ndpi_private.h" + +PACK_ON +struct raft_header { + uint64_t msg_type; + uint64_t msg_length; +} PACK_OFF; + +enum raft_header_type { + RAFT_IO_APPEND_ENTRIES = 1, + RAFT_IO_APPEND_ENTRIES_RESULT, + RAFT_IO_REQUEST_VOTE, + RAFT_IO_REQUEST_VOTE_RESULT, + RAFT_IO_INSTALL_SNAPSHOT, + RAFT_IO_TIMEOUT_NOW +}; + +static void ndpi_int_raft_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found raft\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_RAFT, + NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_raft(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; + struct raft_header const * const raft_header = (struct raft_header *)packet->payload; + + NDPI_LOG_DBG(ndpi_struct, "search raft\n"); + + if (packet->payload_packet_len < sizeof(*raft_header)) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + uint64_t msg_type = le64toh(raft_header->msg_type); + switch (msg_type) + { + case RAFT_IO_APPEND_ENTRIES: + case RAFT_IO_APPEND_ENTRIES_RESULT: + case RAFT_IO_REQUEST_VOTE: + case RAFT_IO_REQUEST_VOTE_RESULT: + case RAFT_IO_INSTALL_SNAPSHOT: + case RAFT_IO_TIMEOUT_NOW: + break; + + default: + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + uint64_t msg_length = le64toh(raft_header->msg_length); + if (msg_length == packet->payload_packet_len - sizeof(*raft_header)) + { + ndpi_int_raft_add_connection(ndpi_struct, flow); + return; + } + + if (flow->packet_counter < 3) + { + return; + } + + ndpi_int_raft_add_connection(ndpi_struct, flow); +} + +void init_raft_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("Raft", ndpi_struct, *id, + NDPI_PROTOCOL_RAFT, + ndpi_search_raft, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} + |