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/c1222.c | 75 |
4 files changed, 84 insertions, 0 deletions
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h index 6fbe55137..2d539d9f9 100644 --- a/src/include/ndpi_private.h +++ b/src/include/ndpi_private.h @@ -774,6 +774,7 @@ void init_cip_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int3 void init_gearman_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_tencent_games_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); void init_gaijin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id); +void init_c1222_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 7e25f177b..f2adf19f3 100644 --- a/src/include/ndpi_protocol_ids.h +++ b/src/include/ndpi_protocol_ids.h @@ -425,6 +425,7 @@ typedef enum { NDPI_PROTOCOL_GEARMAN = 394, NDPI_PROTOCOL_TENCENTGAMES = 395, NDPI_PROTOCOL_GAIJIN = 396, + NDPI_PROTOCOL_C1222 = 397, #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 dbef5e5b3..5de0fc2dc 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -2238,6 +2238,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp "GaijinEntertainment", NDPI_PROTOCOL_CATEGORY_GAME, ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */, ndpi_build_default_ports(ports_b, 20011, 0, 0, 0, 0) /* UDP */); + ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_C1222, + "ANSI_C1222", NDPI_PROTOCOL_CATEGORY_IOT_SCADA, + ndpi_build_default_ports(ports_a, 1153, 0, 0, 0, 0) /* TCP */, + ndpi_build_default_ports(ports_b, 1153, 0, 0, 0, 0) /* UDP */); #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main.c" @@ -6046,6 +6050,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) { /* Gaijin Entertainment */ init_gaijin_dissector(ndpi_str, &a); + /* ANSI C12.22 / IEEE 1703 */ + init_c1222_dissector(ndpi_str, &a); + #ifdef CUSTOM_NDPI_PROTOCOLS #include "../../../nDPI-custom/custom_ndpi_main_init.c" #endif diff --git a/src/lib/protocols/c1222.c b/src/lib/protocols/c1222.c new file mode 100644 index 000000000..847a78ee9 --- /dev/null +++ b/src/lib/protocols/c1222.c @@ -0,0 +1,75 @@ +/* + * c1222.c + * + * ANSI C12.22 (IEEE Std 1703) + * + * 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_C1222 + +#include "ndpi_api.h" +#include "ndpi_private.h" + +static void ndpi_int_c1222_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found ANSI C12.22\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_C1222, NDPI_PROTOCOL_UNKNOWN, + NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_c1222(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 ANSI C12.22\n"); + + if ((packet->payload_packet_len < 50) || (packet->payload[0] != 0x60) || + ((u_int8_t)(packet->payload_packet_len-2) != packet->payload[1])) + { + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + return; + } + + if (packet->payload[2] == 0xA2 && packet->payload[4] == 0x06) { + ndpi_int_c1222_add_connection(ndpi_struct, flow); + return; + } + + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); +} + +void init_c1222_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("ANSI_C1222", ndpi_struct, *id, + NDPI_PROTOCOL_C1222, + ndpi_search_c1222, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_OR_UDP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} |