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/yojimbo.c | 72 |
4 files changed, 81 insertions, 0 deletions
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h index cfe799ab1..d24bec18c 100644 --- a/src/include/ndpi_private.h +++ b/src/include/ndpi_private.h @@ -723,6 +723,7 @@ void init_kcp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int3 void init_valve_sdr_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_mumble_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_zoom_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); +void init_yojimbo_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 83440f8e3..1dcc2136b 100644 --- a/src/include/ndpi_protocol_ids.h +++ b/src/include/ndpi_protocol_ids.h @@ -416,6 +416,7 @@ typedef enum { NDPI_PROTOCOL_KCP = 385, NDPI_PROTOCOL_DOTA2 = 386, NDPI_PROTOCOL_MUMBLE = 387, + NDPI_PROTOCOL_YOJIMBO = 388, #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 b3d75ebe6..ef7da397c 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -2214,6 +2214,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp "Mumble", NDPI_PROTOCOL_CATEGORY_VOIP, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */); + ndpi_set_proto_defaults(ndpi_str, 0 /* encrypted */, 0 /* nw proto */, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_YOJIMBO, + "Yojimbo", NDPI_PROTOCOL_CATEGORY_GAME, + 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" @@ -5875,6 +5879,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* Zoom */ init_zoom_dissector(ndpi_str, &a); + /* Yojimbo */ + init_yojimbo_dissector(ndpi_str, &a); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/yojimbo.c b/src/lib/protocols/yojimbo.c new file mode 100644 index 000000000..d59fa3e90 --- /dev/null +++ b/src/lib/protocols/yojimbo.c @@ -0,0 +1,72 @@ +/* + * yojimbo.c + * + * Copyright (C) 2024 - ntop.org + * + * 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_YOJIMBO + +#include "ndpi_api.h" +#include "ndpi_private.h" + +static void ndpi_int_yojimbo_add_connection(struct ndpi_detection_module_struct * const ndpi_struct, + struct ndpi_flow_struct * const flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found yojimbo\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_YOJIMBO, + NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_yojimbo(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; + uint64_t const magic = 0x4e4554434f444520; // "NETCODE " + + if (packet->payload_packet_len < 9) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + if (packet->payload[0] == 0x00 && + get_u_int64_t(packet->payload, 1) == ndpi_htonll(magic)) + { + ndpi_int_yojimbo_add_connection(ndpi_struct, flow); + return; + } + + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); +} + +void init_yojimbo_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("Yojimbo", ndpi_struct, *id, + NDPI_PROTOCOL_YOJIMBO, + ndpi_search_yojimbo, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} + |