/* packet-doip.c * Routines for DoIP (ISO13400) protocol packet disassembly * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "config.h" #include #include #include #include #include "packet-tcp.h" #include "packet-tls.h" #include "packet-doip.h" void proto_register_doip(void); void proto_reg_handoff_doip(void); #define DOIP_PORT 13400 #define DOIP_TLS_PORT 3496 #define DOIP_GENERIC_NACK 0x0000 #define DOIP_VEHICLE_IDENTIFICATION_REQ 0x0001 #define DOIP_VEHICLE_IDENTIFICATION_REQ_EID 0x0002 #define DOIP_VEHICLE_IDENTIFICATION_REQ_VIN 0x0003 #define DOIP_VEHICLE_ANNOUNCEMENT_MESSAGE 0x0004 #define DOIP_ROUTING_ACTIVATION_REQUEST 0x0005 #define DOIP_ROUTING_ACTIVATION_RESPONSE 0x0006 #define DOIP_ALIVE_CHECK_REQUEST 0x0007 #define DOIP_ALIVE_CHECK_RESPONSE 0x0008 #define DOIP_ENTITY_STATUS_REQUEST 0x4001 #define DOIP_ENTITY_STATUS_RESPONSE 0x4002 #define DOIP_POWER_INFORMATION_REQUEST 0x4003 #define DOIP_POWER_INFORMATION_RESPONSE 0x4004 #define DOIP_DIAGNOSTIC_MESSAGE 0x8001 #define DOIP_DIAGNOSTIC_MESSAGE_ACK 0x8002 #define DOIP_DIAGNOSTIC_MESSAGE_NACK 0x8003 /* Header */ #define DOIP_VERSION_OFFSET 0 #define DOIP_VERSION_LEN 1 #define DOIP_INV_VERSION_OFFSET (DOIP_VERSION_OFFSET + DOIP_VERSION_LEN) #define DOIP_INV_VERSION_LEN 1 #define DOIP_TYPE_OFFSET (DOIP_INV_VERSION_OFFSET + DOIP_INV_VERSION_LEN) #define DOIP_TYPE_LEN 2 #define DOIP_LENGTH_OFFSET (DOIP_TYPE_OFFSET + DOIP_TYPE_LEN) #define DOIP_LENGTH_LEN 4 #define DOIP_HEADER_LEN (DOIP_LENGTH_OFFSET + DOIP_LENGTH_LEN) #define RESERVED_VER 0x00 #define ISO13400_2010 0x01 #define ISO13400_2012 0x02 #define ISO13400_2019 0x03 #define ISO13400_2019_AMD1 0x04 #define DEFAULT_VALUE 0xFF /* Generic NACK */ #define DOIP_GENERIC_NACK_OFFSET DOIP_HEADER_LEN #define DOIP_GENERIC_NACK_LEN 1 /* Common */ #define DOIP_COMMON_VIN_LEN 17 #define DOIP_COMMON_EID_LEN 6 /* Vehicle identification request */ #define DOIP_VEHICLE_IDENTIFICATION_EID_OFFSET DOIP_HEADER_LEN #define DOIP_VEHICLE_IDENTIFICATION_VIN_OFFSET DOIP_HEADER_LEN /* Routing activation request */ #define DOIP_ROUTING_ACTIVATION_REQ_SRC_OFFSET DOIP_HEADER_LEN #define DOIP_ROUTING_ACTIVATION_REQ_SRC_LEN 2 #define DOIP_ROUTING_ACTIVATION_REQ_TYPE_OFFSET (DOIP_ROUTING_ACTIVATION_REQ_SRC_OFFSET + DOIP_ROUTING_ACTIVATION_REQ_SRC_LEN) #define DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V1 2 #define DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V2 1 #define DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V1 (DOIP_ROUTING_ACTIVATION_REQ_TYPE_OFFSET + DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V1) #define DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V2 (DOIP_ROUTING_ACTIVATION_REQ_TYPE_OFFSET + DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V2) #define DOIP_ROUTING_ACTIVATION_REQ_ISO_LEN 4 #define DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V1 (DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V1 + DOIP_ROUTING_ACTIVATION_REQ_ISO_LEN) #define DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V2 (DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V2 + DOIP_ROUTING_ACTIVATION_REQ_ISO_LEN) #define DOIP_ROUTING_ACTIVATION_REQ_OEM_LEN 4 /* Routing activation response */ #define DOIP_ROUTING_ACTIVATION_RES_TESTER_OFFSET DOIP_HEADER_LEN #define DOIP_ROUTING_ACTIVATION_RES_TESTER_LEN 2 #define DOIP_ROUTING_ACTIVATION_RES_ENTITY_OFFSET (DOIP_ROUTING_ACTIVATION_RES_TESTER_OFFSET + DOIP_ROUTING_ACTIVATION_RES_TESTER_LEN) #define DOIP_ROUTING_ACTIVATION_RES_ENTITY_LEN 2 #define DOIP_ROUTING_ACTIVATION_RES_CODE_OFFSET (DOIP_ROUTING_ACTIVATION_RES_ENTITY_OFFSET + DOIP_ROUTING_ACTIVATION_RES_ENTITY_LEN) #define DOIP_ROUTING_ACTIVATION_RES_CODE_LEN 1 #define DOIP_ROUTING_ACTIVATION_RES_ISO_OFFSET (DOIP_ROUTING_ACTIVATION_RES_CODE_OFFSET + DOIP_ROUTING_ACTIVATION_RES_CODE_LEN) #define DOIP_ROUTING_ACTIVATION_RES_ISO_LEN 4 #define DOIP_ROUTING_ACTIVATION_RES_OEM_OFFSET (DOIP_ROUTING_ACTIVATION_RES_ISO_OFFSET + DOIP_ROUTING_ACTIVATION_RES_ISO_LEN) #define DOIP_ROUTING_ACTIVATION_RES_OEM_LEN 4 /* Vehicle announcement message */ #define DOIP_VEHICLE_ANNOUNCEMENT_VIN_OFFSET DOIP_HEADER_LEN #define DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_OFFSET (DOIP_VEHICLE_ANNOUNCEMENT_VIN_OFFSET + DOIP_COMMON_VIN_LEN) #define DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_LEN 2 #define DOIP_VEHICLE_ANNOUNCEMENT_EID_OFFSET (DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_OFFSET + DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_LEN) #define DOIP_VEHICLE_ANNOUNCEMENT_GID_OFFSET (DOIP_VEHICLE_ANNOUNCEMENT_EID_OFFSET + DOIP_COMMON_EID_LEN) #define DOIP_VEHICLE_ANNOUNCEMENT_GID_LEN 6 #define DOIP_VEHICLE_ANNOUNCEMENT_ACTION_OFFSET (DOIP_VEHICLE_ANNOUNCEMENT_GID_OFFSET + DOIP_VEHICLE_ANNOUNCEMENT_GID_LEN) #define DOIP_VEHICLE_ANNOUNCEMENT_ACTION_LEN 1 #define DOIP_VEHICLE_ANNOUNCEMENT_SYNC_OFFSET (DOIP_VEHICLE_ANNOUNCEMENT_ACTION_OFFSET + DOIP_VEHICLE_ANNOUNCEMENT_ACTION_LEN) #define DOIP_VEHICLE_ANNOUNCEMENT_SYNC_LEN 1 /* Alive check response */ #define DOIP_ALIVE_CHECK_RESPONSE_SOURCE_OFFSET DOIP_HEADER_LEN #define DOIP_ALIVE_CHECK_RESPONSE_SOURCE_LEN 2 /* Entity status response */ #define DOIP_ENTITY_STATUS_RESPONSE_NODE_OFFSET DOIP_HEADER_LEN #define DOIP_ENTITY_STATUS_RESPONSE_NODE_LEN 1 #define DOIP_ENTITY_STATUS_RESPONSE_MCTS_OFFSET (DOIP_ENTITY_STATUS_RESPONSE_NODE_OFFSET + DOIP_ENTITY_STATUS_RESPONSE_NODE_LEN) #define DOIP_ENTITY_STATUS_RESPONSE_MCTS_LEN 1 #define DOIP_ENTITY_STATUS_RESPONSE_NCTS_OFFSET (DOIP_ENTITY_STATUS_RESPONSE_MCTS_OFFSET + DOIP_ENTITY_STATUS_RESPONSE_MCTS_LEN) #define DOIP_ENTITY_STATUS_RESPONSE_NCTS_LEN 1 #define DOIP_ENTITY_STATUS_RESPONSE_MDS_OFFSET (DOIP_ENTITY_STATUS_RESPONSE_NCTS_OFFSET + DOIP_ENTITY_STATUS_RESPONSE_NCTS_LEN) #define DOIP_ENTITY_STATUS_RESPONSE_MDS_LEN 4 /* Diagnostic power mode information response */ #define DOIP_POWER_MODE_OFFSET DOIP_HEADER_LEN #define DOIP_POWER_MODE_LEN 1 /* Common */ #define DOIP_DIAG_COMMON_SOURCE_OFFSET DOIP_HEADER_LEN #define DOIP_DIAG_COMMON_SOURCE_LEN 2 #define DOIP_DIAG_COMMON_TARGET_OFFSET (DOIP_DIAG_COMMON_SOURCE_OFFSET + DOIP_DIAG_COMMON_SOURCE_LEN) #define DOIP_DIAG_COMMON_TARGET_LEN 2 /* Diagnostic message */ #define DOIP_DIAG_MESSAGE_DATA_OFFSET (DOIP_DIAG_COMMON_TARGET_OFFSET + DOIP_DIAG_COMMON_TARGET_LEN) /* Diagnostic message ACK */ #define DOIP_DIAG_MESSAGE_ACK_CODE_OFFSET (DOIP_DIAG_COMMON_TARGET_OFFSET + DOIP_DIAG_COMMON_TARGET_LEN) #define DOIP_DIAG_MESSAGE_ACK_CODE_LEN 1 #define DOIP_DIAG_MESSAGE_ACK_PREVIOUS_OFFSET (DOIP_DIAG_MESSAGE_ACK_CODE_OFFSET + DOIP_DIAG_MESSAGE_ACK_CODE_LEN) /* Diagnostic message NACK */ #define DOIP_DIAG_MESSAGE_NACK_CODE_OFFSET (DOIP_DIAG_COMMON_TARGET_OFFSET + DOIP_DIAG_COMMON_TARGET_LEN) #define DOIP_DIAG_MESSAGE_NACK_CODE_LEN 1 #define DOIP_DIAG_MESSAGE_NACK_PREVIOUS_OFFSET (DOIP_DIAG_MESSAGE_NACK_CODE_OFFSET + DOIP_DIAG_MESSAGE_NACK_CODE_LEN) /* * Enums */ /* Header */ /* Protocol version */ static const value_string doip_versions[] = { { RESERVED_VER, "Reserved" }, { ISO13400_2010, "DoIP ISO/DIS 13400-2:2010" }, { ISO13400_2012, "DoIP ISO 13400-2:2012" }, { ISO13400_2019, "DoIP ISO 13400-2:2019" }, { ISO13400_2019_AMD1, "DoIP ISO 13400-2:2019 Amd1 (experimental)" }, { DEFAULT_VALUE, "Default value for vehicle identification request messages" }, { 0, NULL } }; /* Payload type */ static const value_string doip_payloads[] = { { DOIP_GENERIC_NACK, "Generic DoIP header NACK" }, { DOIP_VEHICLE_IDENTIFICATION_REQ, "Vehicle identification request" }, { DOIP_VEHICLE_IDENTIFICATION_REQ_EID, "Vehicle identification request with EID" }, { DOIP_VEHICLE_IDENTIFICATION_REQ_VIN, "Vehicle identification request with VIN" }, { DOIP_VEHICLE_ANNOUNCEMENT_MESSAGE, "Vehicle announcement message/vehicle identification response message" }, { DOIP_ROUTING_ACTIVATION_REQUEST, "Routing activation request" }, { DOIP_ROUTING_ACTIVATION_RESPONSE, "Routing activation response" }, { DOIP_ALIVE_CHECK_REQUEST, "Alive check request" }, { DOIP_ALIVE_CHECK_RESPONSE, "Alive check response" }, { DOIP_ENTITY_STATUS_REQUEST, "DoIP entity status request" }, { DOIP_ENTITY_STATUS_RESPONSE, "DoIP entity status response" }, { DOIP_POWER_INFORMATION_REQUEST, "Diagnostic power mode information request" }, { DOIP_POWER_INFORMATION_RESPONSE, "Diagnostic power mode information response" }, { DOIP_DIAGNOSTIC_MESSAGE, "Diagnostic message" }, { DOIP_DIAGNOSTIC_MESSAGE_ACK, "Diagnostic message ACK" }, { DOIP_DIAGNOSTIC_MESSAGE_NACK, "Diagnostic message NACK" }, { 0, NULL } }; /* Generic NACK */ static const value_string nack_codes[] = { { 0x00, "Incorrect pattern format" }, { 0x01, "Unknown payload type" }, { 0x02, "Message too large" }, { 0x03, "Out of memory" }, { 0x04, "Invalid payload length" }, { 0, NULL } }; /* Routing activation request */ static const value_string activation_types[] = { { 0x00, "Default" }, { 0x01, "WWH-OBD" }, { 0xE0, "Central security" }, { 0, NULL } }; /* Routing activation response */ static const value_string activation_codes[] = { { 0x00, "Routing activation denied due to unknown source address." }, { 0x01, "Routing activation denied because all concurrently supported TCP_DATA sockets are registered and active." }, { 0x02, "Routing activation denied because an SA different from the table connection entry was received on the already activated TCP_DATA socket." }, { 0x03, "Routing activation denied because the SA is already registered and active on a different TCP_DATA socket." }, { 0x04, "Routing activation denied due to missing authentication." }, { 0x05, "Routing activation denied due to rejected confirmation." }, { 0x06, "Routing activation denied due to unsupported routing activation type." }, { 0x07, "Routing activation denied due to request for encrypted connection via TLS." }, { 0x08, "Reserved by ISO 13400." }, { 0x09, "Reserved by ISO 13400." }, { 0x0A, "Reserved by ISO 13400." }, { 0x0B, "Reserved by ISO 13400." }, { 0x0C, "Reserved by ISO 13400." }, { 0x0D, "Reserved by ISO 13400." }, { 0x0E, "Reserved by ISO 13400." }, { 0x0F, "Reserved by ISO 13400." }, { 0x10, "Routing successfully activated." }, { 0x11, "Routing will be activated; confirmation required." }, { 0, NULL } }; /* Vehicle announcement message */ /* Action code */ static const value_string action_codes[] = { { 0x00, "No further action required" }, { 0x01, "Reserved by ISO 13400" }, { 0x02, "Reserved by ISO 13400" }, { 0x03, "Reserved by ISO 13400" }, { 0x04, "Reserved by ISO 13400" }, { 0x05, "Reserved by ISO 13400" }, { 0x06, "Reserved by ISO 13400" }, { 0x07, "Reserved by ISO 13400" }, { 0x08, "Reserved by ISO 13400" }, { 0x09, "Reserved by ISO 13400" }, { 0x0A, "Reserved by ISO 13400" }, { 0x0B, "Reserved by ISO 13400" }, { 0x0C, "Reserved by ISO 13400" }, { 0x0D, "Reserved by ISO 13400" }, { 0x0E, "Reserved by ISO 13400" }, { 0x0F, "Reserved by ISO 13400" }, { 0x10, "Routing activation required to initiate central security" }, { 0, NULL } }; /* Sync status */ static const value_string sync_status[] = { { 0x00, "VIN and/or GID are synchronized" }, { 0x01, "Reserved by ISO 13400" }, { 0x02, "Reserved by ISO 13400" }, { 0x03, "Reserved by ISO 13400" }, { 0x04, "Reserved by ISO 13400" }, { 0x05, "Reserved by ISO 13400" }, { 0x06, "Reserved by ISO 13400" }, { 0x07, "Reserved by ISO 13400" }, { 0x08, "Reserved by ISO 13400" }, { 0x09, "Reserved by ISO 13400" }, { 0x0A, "Reserved by ISO 13400" }, { 0x0B, "Reserved by ISO 13400" }, { 0x0C, "Reserved by ISO 13400" }, { 0x0D, "Reserved by ISO 13400" }, { 0x0E, "Reserved by ISO 13400" }, { 0x0F, "Reserved by ISO 13400" }, { 0x10, "Incomplete: VIN and GID are NOT synchronized" }, { 0, NULL } }; /* Entity status response */ /* Node type */ static const value_string node_types[] = { { 0x00, "DoIP gateway" }, { 0x01, "DoIp node" }, { 0, NULL } }; /* Diagnostic power mode information response */ /* Power mode */ static const value_string power_modes[] = { { 0x00, "not ready" }, { 0x01, "ready" }, { 0x02, "not supported" }, { 0, NULL } }; /* Diagnostic message ACK */ static const value_string diag_ack_codes[] = { { 0x00, "ACK" }, { 0, NULL } }; /* Diagnostic message NACK */ static const value_string diag_nack_codes[] = { { 0x00, "Reserved by ISO 13400" }, { 0x01, "Reserved by ISO 13400" }, { 0x02, "Invalid source address" }, { 0x03, "Unknown target address" }, { 0x04, "Diagnostic message too large" }, { 0x05, "Out of memory" }, { 0x06, "Target unreachable" }, { 0x07, "Unknown network" }, { 0x08, "Transport protocol error" }, { 0, NULL } }; /* * Config */ static bool doip_hide_address_names = true; /* * Fields */ /* DoIP header */ static int hf_doip_version; static int hf_doip_inv_version; static int hf_doip_type; static int hf_doip_length; /* Generic NACK */ static int hf_generic_nack_code; /* Common */ static int hf_reserved_iso; static int hf_reserved_oem; /* Routing activation request */ static int hf_activation_type_v1; static int hf_activation_type_v2; /* Routing activation response */ static int hf_tester_logical_address; static int hf_tester_logical_address_name; static int hf_response_code; /* Vehicle announcement message */ static int hf_logical_address; static int hf_logical_address_name; static int hf_gid; static int hf_further_action; static int hf_sync_status; /* Diagnostic power mode information response */ static int hf_power_mode; /* Entity status response */ static int hf_node_type; static int hf_max_sockets; static int hf_current_sockets; static int hf_max_data_size; /* Common */ static int hf_vin; static int hf_eid; static int hf_source_address; static int hf_source_address_name; static int hf_target_address; static int hf_target_address_name; static int hf_previous; /* Diagnostic message */ static int hf_data; /* Diagnostic message ACK */ static int hf_ack_code; /* Diagnostic message NACK */ static int hf_nack_code; /* * Trees */ static int ett_doip; static int ett_header; static int ett_address; /* Misc */ static dissector_handle_t doip_handle; static dissector_handle_t uds_handle; static int proto_doip; /* expert info items */ static expert_field ei_doip_illegal_length_field; /* * UATs */ typedef struct _generic_one_id_string { unsigned id; char *name; } generic_one_id_string_t; static void doip_uat_free_key(void *key) { wmem_free(wmem_epan_scope(), key); } static void simple_free(void *data) { /* we need to free because of the g_strdup in post_update*/ g_free(data); } /* ID -> Name */ static void * copy_generic_one_id_string_cb(void* n, const void* o, size_t size _U_) { generic_one_id_string_t* new_rec = (generic_one_id_string_t*)n; const generic_one_id_string_t* old_rec = (const generic_one_id_string_t*)o; new_rec->name = g_strdup(old_rec->name); new_rec->id = old_rec->id; return new_rec; } static bool update_generic_one_identifier_16bit(void *r, char **err) { generic_one_id_string_t *rec = (generic_one_id_string_t *)r; if (rec->id > 0xffff) { *err = ws_strdup_printf("We currently only support 16 bit identifiers (ID: %i Name: %s)", rec->id, rec->name); return false; } if (rec->name == NULL || rec->name[0] == 0) { *err = g_strdup("Name cannot be empty"); return false; } return true; } static void free_generic_one_id_string_cb(void*r) { generic_one_id_string_t* rec = (generic_one_id_string_t*)r; /* freeing result of g_strdup */ g_free(rec->name); rec->name = NULL; } static void post_update_one_id_string_template_cb(generic_one_id_string_t *data, unsigned data_num, GHashTable *ht) { unsigned i; int *key = NULL; for (i = 0; i < data_num; i++) { key = wmem_new(wmem_epan_scope(), int); *key = data[i].id; g_hash_table_insert(ht, key, g_strdup(data[i].name)); } } static char* ht_lookup_name(GHashTable* ht, unsigned int identifier) { char *tmp = NULL; unsigned int *id = NULL; if (ht == NULL) { return NULL; } id = wmem_new(wmem_epan_scope(), unsigned int); *id = (unsigned int)identifier; tmp = (char *)g_hash_table_lookup(ht, id); wmem_free(wmem_epan_scope(), id); return tmp; } /* * UAT DoIP Diagnostic Addresses */ #define DATAFILE_DOIP_DIAG_ADDRESSES "DoIP_diagnostic_addresses" static GHashTable *data_doip_diag_addresses; static generic_one_id_string_t* doip_diag_addresses; static unsigned doip_diag_address_count; UAT_HEX_CB_DEF(doip_diag_addresses, id, generic_one_id_string_t) UAT_CSTRING_CB_DEF(doip_diag_addresses, name, generic_one_id_string_t) static void post_update_doip_diag_addresses(void) { /* destroy old hash table, if it exists */ if (data_doip_diag_addresses) { g_hash_table_destroy(data_doip_diag_addresses); data_doip_diag_addresses = NULL; } /* create new hash table */ data_doip_diag_addresses = g_hash_table_new_full(g_int_hash, g_int_equal, &doip_uat_free_key, &simple_free); post_update_one_id_string_template_cb(doip_diag_addresses, doip_diag_address_count, data_doip_diag_addresses); } static proto_item * doip_prototree_add_with_resolv(proto_tree* doip_tree, int hfindex, int hfindex_name, tvbuff_t* tvb, const int start, int length, const unsigned encoding, unsigned *diag_addr) { unsigned diag_addr_tmp; proto_item *ti; proto_tree *tree; ti = proto_tree_add_item_ret_uint(doip_tree, hfindex, tvb, start, length, encoding, &diag_addr_tmp); const char *name = ht_lookup_name(data_doip_diag_addresses, diag_addr_tmp); if (name != NULL) { proto_item_append_text(ti, " (%s)", name); tree = proto_item_add_subtree(ti, ett_address); ti = proto_tree_add_string(tree, hfindex_name, tvb, start, length, name); if (doip_hide_address_names) { proto_item_set_hidden(ti); } } if (diag_addr != NULL) { *diag_addr = diag_addr_tmp; } return ti; } /* * UAT DoIP Payload Types */ #define DATAFILE_DOIP_PAYLOAD_TYPES "DoIP_payload_types" static GHashTable *data_doip_payload_types; static generic_one_id_string_t* doip_payload_types; static unsigned doip_payload_type_count; UAT_HEX_CB_DEF(doip_payload_types, id, generic_one_id_string_t) UAT_CSTRING_CB_DEF(doip_payload_types, name, generic_one_id_string_t) static void post_update_doip_payload_types(void) { /* destroy old hash table, if it exists */ if (data_doip_payload_types) { g_hash_table_destroy(data_doip_payload_types); data_doip_payload_types = NULL; } /* create new hash table */ data_doip_payload_types = g_hash_table_new_full(g_int_hash, g_int_equal, &doip_uat_free_key, &simple_free); post_update_one_id_string_template_cb(doip_payload_types, doip_payload_type_count, data_doip_payload_types); } static const char* resolve_doip_payload_type(wmem_allocator_t *scope, uint16_t payload_type, bool is_col) { const char *tmp = ht_lookup_name(data_doip_payload_types, payload_type); /* lets look at the static values, if nothing is configured */ if (tmp == NULL) { tmp = try_val_to_str(payload_type, doip_payloads); } /* no configured or standardized name known */ if (tmp != NULL) { if (is_col) { return tmp; } else { return wmem_strdup_printf(scope, "%s (0x%04x)", tmp, payload_type); } } /* just give back unknown */ if (is_col) { return wmem_strdup_printf(scope, "0x%04x Unknown Payload", payload_type); } else { return wmem_strdup_printf(scope, "Unknown (0x%04x)", payload_type); } } static void add_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *doip_tree) { uint32_t len; uint32_t payload_type; proto_tree *subtree = proto_tree_add_subtree(doip_tree, tvb, DOIP_VERSION_OFFSET, DOIP_HEADER_LEN, ett_header, NULL, "Header"); proto_tree_add_item(subtree, hf_doip_version, tvb, DOIP_VERSION_OFFSET, DOIP_VERSION_LEN, ENC_BIG_ENDIAN); proto_tree_add_item(subtree, hf_doip_inv_version, tvb, DOIP_INV_VERSION_OFFSET, DOIP_INV_VERSION_LEN, ENC_BIG_ENDIAN); payload_type = tvb_get_uint16(tvb, DOIP_TYPE_OFFSET, ENC_BIG_ENDIAN); proto_tree_add_uint_format(subtree, hf_doip_type, tvb, DOIP_TYPE_OFFSET, DOIP_TYPE_LEN, payload_type, "Type: %s", resolve_doip_payload_type(pinfo->pool, payload_type, false)); proto_tree_add_item_ret_uint(subtree, hf_doip_length, tvb, DOIP_LENGTH_OFFSET, DOIP_LENGTH_LEN, ENC_BIG_ENDIAN, &len); if (tvb_captured_length(tvb) < len) { proto_tree_add_expert(doip_tree, pinfo, &ei_doip_illegal_length_field, tvb, DOIP_LENGTH_OFFSET, DOIP_LENGTH_LEN); col_append_str(pinfo->cinfo, COL_INFO, " [DoIP Length Field: Illegal Value]"); } } static void add_generic_header_nack_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_generic_nack_code, tvb, DOIP_GENERIC_NACK_OFFSET, DOIP_GENERIC_NACK_LEN, ENC_NA); } static void add_vehicle_identification_eid_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_eid, tvb, DOIP_VEHICLE_IDENTIFICATION_EID_OFFSET, DOIP_COMMON_EID_LEN, ENC_NA); } static void add_vehicle_identification_vin_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_vin, tvb, DOIP_VEHICLE_IDENTIFICATION_VIN_OFFSET, DOIP_COMMON_VIN_LEN, ENC_ASCII | ENC_NA); } static void add_routing_activation_request_fields(proto_tree *doip_tree, tvbuff_t *tvb, uint8_t version) { doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_ROUTING_ACTIVATION_REQ_SRC_OFFSET, DOIP_ROUTING_ACTIVATION_REQ_SRC_LEN, ENC_BIG_ENDIAN, NULL); if (version == ISO13400_2010) { proto_tree_add_item(doip_tree, hf_activation_type_v1, tvb, DOIP_ROUTING_ACTIVATION_REQ_TYPE_OFFSET, DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V1, ENC_NA); proto_tree_add_item(doip_tree, hf_reserved_iso, tvb, DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V1, DOIP_ROUTING_ACTIVATION_REQ_ISO_LEN, ENC_BIG_ENDIAN); if ( tvb_bytes_exist(tvb, DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V1, DOIP_ROUTING_ACTIVATION_REQ_OEM_LEN) ) { proto_tree_add_item(doip_tree, hf_reserved_oem, tvb, DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V1, DOIP_ROUTING_ACTIVATION_REQ_OEM_LEN, ENC_BIG_ENDIAN); } } else if ((version == ISO13400_2012) || (version == ISO13400_2019)) { proto_tree_add_item(doip_tree, hf_activation_type_v2, tvb, DOIP_ROUTING_ACTIVATION_REQ_TYPE_OFFSET, DOIP_ROUTING_ACTIVATION_REQ_TYPE_LEN_V2, ENC_NA); proto_tree_add_item(doip_tree, hf_reserved_iso, tvb, DOIP_ROUTING_ACTIVATION_REQ_ISO_OFFSET_V2, DOIP_ROUTING_ACTIVATION_REQ_ISO_LEN, ENC_BIG_ENDIAN); if ( tvb_bytes_exist(tvb, DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V2, DOIP_ROUTING_ACTIVATION_REQ_OEM_LEN) ) { proto_tree_add_item(doip_tree, hf_reserved_oem, tvb, DOIP_ROUTING_ACTIVATION_REQ_OEM_OFFSET_V2, DOIP_ROUTING_ACTIVATION_REQ_OEM_LEN, ENC_BIG_ENDIAN); } } } static void add_routing_activation_response_fields(proto_tree *doip_tree, tvbuff_t *tvb) { doip_prototree_add_with_resolv(doip_tree, hf_tester_logical_address, hf_tester_logical_address_name, tvb, DOIP_ROUTING_ACTIVATION_RES_TESTER_OFFSET, DOIP_ROUTING_ACTIVATION_RES_TESTER_LEN, ENC_BIG_ENDIAN, NULL); doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_ROUTING_ACTIVATION_RES_ENTITY_OFFSET, DOIP_ROUTING_ACTIVATION_RES_ENTITY_LEN, ENC_BIG_ENDIAN, NULL); proto_tree_add_item(doip_tree, hf_response_code, tvb, DOIP_ROUTING_ACTIVATION_RES_CODE_OFFSET, DOIP_ROUTING_ACTIVATION_RES_CODE_LEN, ENC_NA); proto_tree_add_item(doip_tree, hf_reserved_iso, tvb, DOIP_ROUTING_ACTIVATION_RES_ISO_OFFSET, DOIP_ROUTING_ACTIVATION_RES_ISO_LEN, ENC_BIG_ENDIAN); if ( tvb_bytes_exist(tvb, DOIP_ROUTING_ACTIVATION_RES_OEM_OFFSET, DOIP_ROUTING_ACTIVATION_RES_OEM_LEN) ) { proto_tree_add_item(doip_tree, hf_reserved_oem, tvb, DOIP_ROUTING_ACTIVATION_RES_OEM_OFFSET, DOIP_ROUTING_ACTIVATION_RES_OEM_LEN, ENC_BIG_ENDIAN); } } static void add_vehicle_announcement_message_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_vin, tvb, DOIP_VEHICLE_ANNOUNCEMENT_VIN_OFFSET, DOIP_COMMON_VIN_LEN, ENC_ASCII | ENC_NA); doip_prototree_add_with_resolv(doip_tree, hf_logical_address, hf_logical_address_name, tvb, DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_OFFSET, DOIP_VEHICLE_ANNOUNCEMENT_ADDRESS_LEN, ENC_BIG_ENDIAN, NULL); proto_tree_add_item(doip_tree, hf_eid, tvb, DOIP_VEHICLE_ANNOUNCEMENT_EID_OFFSET, DOIP_COMMON_EID_LEN, ENC_NA); proto_tree_add_item(doip_tree, hf_gid, tvb, DOIP_VEHICLE_ANNOUNCEMENT_GID_OFFSET, DOIP_VEHICLE_ANNOUNCEMENT_GID_LEN, ENC_NA); proto_tree_add_item(doip_tree, hf_further_action, tvb, DOIP_VEHICLE_ANNOUNCEMENT_ACTION_OFFSET, DOIP_VEHICLE_ANNOUNCEMENT_ACTION_LEN, ENC_BIG_ENDIAN); if ( tvb_bytes_exist(tvb, DOIP_VEHICLE_ANNOUNCEMENT_SYNC_OFFSET, DOIP_VEHICLE_ANNOUNCEMENT_SYNC_LEN) ) { /* Not part of version 1 and optional in version 2. */ proto_tree_add_item(doip_tree, hf_sync_status, tvb, DOIP_VEHICLE_ANNOUNCEMENT_SYNC_OFFSET, DOIP_VEHICLE_ANNOUNCEMENT_SYNC_LEN, ENC_BIG_ENDIAN); } } static void add_alive_check_response_fields(proto_tree *doip_tree, tvbuff_t *tvb) { doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_ALIVE_CHECK_RESPONSE_SOURCE_OFFSET, DOIP_ALIVE_CHECK_RESPONSE_SOURCE_LEN, ENC_BIG_ENDIAN, NULL); } static void add_entity_status_response_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_node_type, tvb, DOIP_ENTITY_STATUS_RESPONSE_NODE_OFFSET, DOIP_ENTITY_STATUS_RESPONSE_NODE_LEN, ENC_NA); proto_tree_add_item(doip_tree, hf_max_sockets, tvb, DOIP_ENTITY_STATUS_RESPONSE_MCTS_OFFSET, DOIP_ENTITY_STATUS_RESPONSE_MCTS_LEN, ENC_NA); proto_tree_add_item(doip_tree, hf_current_sockets, tvb, DOIP_ENTITY_STATUS_RESPONSE_NCTS_OFFSET, DOIP_ENTITY_STATUS_RESPONSE_NCTS_LEN, ENC_NA); if ( tvb_bytes_exist(tvb, DOIP_ENTITY_STATUS_RESPONSE_MDS_OFFSET, DOIP_ENTITY_STATUS_RESPONSE_MDS_LEN) ) { proto_tree_add_item(doip_tree, hf_max_data_size, tvb, DOIP_ENTITY_STATUS_RESPONSE_MDS_OFFSET, DOIP_ENTITY_STATUS_RESPONSE_MDS_LEN, ENC_BIG_ENDIAN); } } static void add_power_mode_information_response_fields(proto_tree *doip_tree, tvbuff_t *tvb) { proto_tree_add_item(doip_tree, hf_power_mode, tvb, DOIP_POWER_MODE_OFFSET, DOIP_POWER_MODE_LEN, ENC_NA); } static void add_diagnostic_message_fields(proto_tree *doip_tree, tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree) { doip_info_t doip_info; uint32_t tmp; doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_DIAG_COMMON_SOURCE_OFFSET, DOIP_DIAG_COMMON_SOURCE_LEN, ENC_BIG_ENDIAN, &tmp); doip_info.source_address = tmp; doip_prototree_add_with_resolv(doip_tree, hf_target_address, hf_target_address_name, tvb, DOIP_DIAG_COMMON_TARGET_OFFSET, DOIP_DIAG_COMMON_TARGET_LEN, ENC_BIG_ENDIAN, &tmp); doip_info.target_address = tmp; if (uds_handle != 0) { call_dissector_with_data(uds_handle, tvb_new_subset_length(tvb, DOIP_DIAG_MESSAGE_DATA_OFFSET, -1), pinfo, parent_tree, &doip_info); } else if (tvb_reported_length_remaining(tvb, DOIP_DIAG_MESSAGE_DATA_OFFSET) > 0) { proto_tree_add_item(doip_tree, hf_data, tvb, DOIP_DIAG_MESSAGE_DATA_OFFSET, tvb_reported_length_remaining(tvb, DOIP_DIAG_MESSAGE_DATA_OFFSET), ENC_NA); } } static void add_diagnostic_message_ack_fields(proto_tree *doip_tree, tvbuff_t *tvb) { doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_DIAG_COMMON_SOURCE_OFFSET, DOIP_DIAG_COMMON_SOURCE_LEN, ENC_BIG_ENDIAN, NULL); doip_prototree_add_with_resolv(doip_tree, hf_target_address, hf_target_address_name, tvb, DOIP_DIAG_COMMON_TARGET_OFFSET, DOIP_DIAG_COMMON_TARGET_LEN, ENC_BIG_ENDIAN, NULL); proto_tree_add_item(doip_tree, hf_ack_code, tvb, DOIP_DIAG_MESSAGE_ACK_CODE_OFFSET, DOIP_DIAG_MESSAGE_ACK_CODE_LEN, ENC_NA); if (tvb_captured_length_remaining(tvb, DOIP_DIAG_MESSAGE_ACK_PREVIOUS_OFFSET) > 0) { proto_tree_add_item(doip_tree, hf_previous, tvb, DOIP_DIAG_MESSAGE_ACK_PREVIOUS_OFFSET, tvb_captured_length_remaining(tvb, DOIP_DIAG_MESSAGE_ACK_PREVIOUS_OFFSET), ENC_NA); } } static void add_diagnostic_message_nack_fields(proto_tree *doip_tree, tvbuff_t *tvb) { doip_prototree_add_with_resolv(doip_tree, hf_source_address, hf_source_address_name, tvb, DOIP_DIAG_COMMON_SOURCE_OFFSET, DOIP_DIAG_COMMON_SOURCE_LEN, ENC_BIG_ENDIAN, NULL); doip_prototree_add_with_resolv(doip_tree, hf_target_address, hf_target_address_name, tvb, DOIP_DIAG_COMMON_TARGET_OFFSET, DOIP_DIAG_COMMON_TARGET_LEN, ENC_BIG_ENDIAN, NULL); proto_tree_add_item(doip_tree, hf_nack_code, tvb, DOIP_DIAG_MESSAGE_NACK_CODE_OFFSET, DOIP_DIAG_MESSAGE_NACK_CODE_LEN, ENC_NA); if (tvb_captured_length_remaining(tvb, DOIP_DIAG_MESSAGE_NACK_PREVIOUS_OFFSET) > 0) { proto_tree_add_item(doip_tree, hf_previous, tvb, DOIP_DIAG_MESSAGE_NACK_PREVIOUS_OFFSET, tvb_captured_length_remaining(tvb, DOIP_DIAG_MESSAGE_NACK_PREVIOUS_OFFSET), ENC_NA); } } /* DoIP protocol dissector */ static void dissect_doip_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { uint8_t version = tvb_get_uint8(tvb, DOIP_VERSION_OFFSET); uint16_t payload_type = tvb_get_ntohs(tvb, DOIP_TYPE_OFFSET); int raw_offset_tvb = tvb_raw_offset(tvb); int *first_offset = (int *)p_get_proto_data(wmem_file_scope(), pinfo, proto_doip, 0); if (!first_offset) { first_offset = wmem_new0(wmem_file_scope(), int); *first_offset = raw_offset_tvb; p_add_proto_data(wmem_file_scope(), pinfo, proto_doip, 0, first_offset); } /* Set protocol and clear information columns */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DoIP"); if (*first_offset == raw_offset_tvb) { col_clear(pinfo->cinfo, COL_INFO); } else { col_append_str(pinfo->cinfo, COL_INFO, " / "); } if ( version == ISO13400_2010 || version == ISO13400_2012 || version == ISO13400_2019 || version == ISO13400_2019_AMD1 || (version == DEFAULT_VALUE && (payload_type >= DOIP_VEHICLE_IDENTIFICATION_REQ && payload_type <= DOIP_VEHICLE_IDENTIFICATION_REQ_VIN)) ) { col_append_str(pinfo->cinfo, COL_INFO, resolve_doip_payload_type(pinfo->pool, payload_type, true)); } else { col_append_str(pinfo->cinfo, COL_INFO, "Invalid/unsupported DoIP version"); } if (tree) { proto_item *ti = NULL; proto_tree *doip_tree = NULL; ti = proto_tree_add_item(tree, proto_doip, tvb, 0, -1, ENC_NA); doip_tree = proto_item_add_subtree(ti, ett_doip); add_header(tvb, pinfo, doip_tree); switch (payload_type) { case DOIP_GENERIC_NACK: add_generic_header_nack_fields(doip_tree, tvb); break; case DOIP_VEHICLE_IDENTIFICATION_REQ: break; case DOIP_VEHICLE_IDENTIFICATION_REQ_EID: add_vehicle_identification_eid_fields(doip_tree, tvb); break; case DOIP_VEHICLE_IDENTIFICATION_REQ_VIN: add_vehicle_identification_vin_fields(doip_tree, tvb); break; case DOIP_ROUTING_ACTIVATION_REQUEST: add_routing_activation_request_fields(doip_tree, tvb, version); break; case DOIP_ROUTING_ACTIVATION_RESPONSE: add_routing_activation_response_fields(doip_tree, tvb); break; case DOIP_VEHICLE_ANNOUNCEMENT_MESSAGE: add_vehicle_announcement_message_fields(doip_tree, tvb); break; case DOIP_ALIVE_CHECK_REQUEST: break; case DOIP_ALIVE_CHECK_RESPONSE: add_alive_check_response_fields(doip_tree, tvb); break; case DOIP_ENTITY_STATUS_REQUEST: break; case DOIP_ENTITY_STATUS_RESPONSE: add_entity_status_response_fields(doip_tree, tvb); break; case DOIP_POWER_INFORMATION_REQUEST: break; case DOIP_POWER_INFORMATION_RESPONSE: add_power_mode_information_response_fields(doip_tree, tvb); break; case DOIP_DIAGNOSTIC_MESSAGE: add_diagnostic_message_fields(doip_tree, tvb, pinfo, tree); break; case DOIP_DIAGNOSTIC_MESSAGE_ACK: add_diagnostic_message_ack_fields(doip_tree, tvb); break; case DOIP_DIAGNOSTIC_MESSAGE_NACK: add_diagnostic_message_nack_fields(doip_tree, tvb); break; } } else if (payload_type == DOIP_DIAGNOSTIC_MESSAGE) { /* Show UDS details in info column */ if (uds_handle != 0) { doip_info_t doip_info; doip_info.source_address = tvb_get_uint16(tvb, DOIP_DIAG_COMMON_SOURCE_OFFSET, ENC_BIG_ENDIAN); doip_info.target_address = tvb_get_uint16(tvb, DOIP_DIAG_COMMON_TARGET_OFFSET, ENC_BIG_ENDIAN); call_dissector_with_data(uds_handle, tvb_new_subset_length(tvb, DOIP_DIAG_MESSAGE_DATA_OFFSET, -1), pinfo, NULL, &doip_info); } } } /* determine PDU length of protocol DoIP */ static unsigned get_doip_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *p _U_) { uint8_t ver1 = tvb_get_uint8(tvb, DOIP_VERSION_OFFSET); uint8_t ver2 = tvb_get_uint8(tvb, DOIP_INV_VERSION_OFFSET); if (ver1 != ((~ver2) & 0xff)) { /* if ver2 is not the inverse of ver1, we are not at the start of a DoIP message! */ /* bounds_error: (0 < return < DOIP_HEADER_LEN) */ return 1; } /* PDU Length = length field value + header length */ uint32_t ret = tvb_get_ntohl(tvb, offset + DOIP_LENGTH_OFFSET) + DOIP_HEADER_LEN; if (ret < DOIP_HEADER_LEN || ret > 0x7fffffff) { /* catch illegal length fields (overflow or too big) */ return DOIP_HEADER_LEN; } return ret; } static int dissect_doip_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { dissect_doip_message(tvb, pinfo, tree); return tvb_captured_length(tvb); } static int dissect_doip(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, void *data) { tcp_dissect_pdus(tvb, pinfo, tree, true, DOIP_HEADER_LEN, get_doip_message_len, dissect_doip_pdu, data); return tvb_captured_length(tvb); } /* Register DoIP Protocol */ void proto_register_doip(void) { module_t *doip_module = NULL; expert_module_t *expert_module_doip = NULL; uat_t *doip_diag_addr_uat = NULL; uat_t *doip_payload_type_uat = NULL; static hf_register_info hf[] = { /* Header */ { &hf_doip_version, { "Version", "doip.version", FT_UINT8, BASE_HEX, VALS(doip_versions), 0x0, NULL, HFILL } }, { &hf_doip_inv_version, { "Inverse version", "doip.inverse", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_doip_type, { "Type", "doip.type", FT_UINT16, BASE_HEX, VALS(doip_payloads), 0x0, NULL, HFILL } }, { &hf_doip_length, { "Length", "doip.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* Generic NACK */ { &hf_generic_nack_code, { "DoIP Header NACK code", "doip.nack_code", FT_UINT8, BASE_HEX, VALS(nack_codes), 0x00, NULL, HFILL } }, /* Vehicle announcement message */ { &hf_vin, { "VIN", "doip.vin", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_logical_address, { "Logical Address", "doip.logical_address", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_logical_address_name, { "Logical Address Name", "doip.logical_address_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_eid, { "EID", "doip.eid", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_gid, { "GID", "doip.gid", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_further_action, { "Further action required", "doip.further_action", FT_UINT8, BASE_HEX, VALS(action_codes), 0x00, NULL, HFILL } }, { &hf_sync_status, { "VIN/GID sync. status", "doip.sync_status", FT_UINT8, BASE_HEX, VALS(sync_status), 0x00, NULL, HFILL } }, /* Diagnostic power mode information response */ { &hf_power_mode, { "Diagnostic power mode", "doip.power_mode", FT_UINT8, BASE_HEX, VALS(power_modes), 0x00, NULL, HFILL } }, /* Entity status response */ { &hf_node_type, { "Node type", "doip.node_type", FT_UINT8, BASE_HEX, VALS(node_types), 0x00, NULL, HFILL } }, { &hf_max_sockets, { "Max concurrent sockets", "doip.max_sockets", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_current_sockets, { "Currently open sockets", "doip.sockets", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_max_data_size, { "Max data size", "doip.max_data_size", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, /* Common */ { &hf_source_address, { "Source Address", "doip.source_address", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_source_address_name, { "Source Address Name", "doip.source_address_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_target_address, { "Target Address", "doip.target_address", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_target_address_name, { "Target Address Name", "doip.target_address_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, /* Routing activation request */ { &hf_activation_type_v1, { "Activation type", "doip.activation_type_v1", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_activation_type_v2, { "Activation type", "doip.activation_type", FT_UINT8, BASE_HEX, VALS(activation_types), 0x00, NULL, HFILL } }, /* Routing activation response */ { &hf_tester_logical_address, { "Logical address of external tester", "doip.tester_logical_address", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_tester_logical_address_name, { "Name of external tester", "doip.tester_logical_address_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_response_code, { "Routing activation response code", "doip.response_code", FT_UINT8, BASE_HEX, VALS(activation_codes), 0x00, NULL, HFILL } }, /* Common */ { &hf_reserved_iso, { "Reserved by ISO", "doip.reserved_iso", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_reserved_oem, { "Reserved by OEM", "doip.reserved_oem", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL } }, /* Diagnostic message */ { &hf_data, { "User data", "doip.data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL } }, /* Diagnostic message ACK */ { &hf_ack_code, { "ACK code", "doip.diag_ack_code", FT_UINT8, BASE_HEX, VALS(diag_ack_codes), 0x00, NULL, HFILL } }, /* Diagnostic message NACK */ { &hf_nack_code, { "NACK code", "doip.diag_nack_code", FT_UINT8, BASE_HEX, VALS(diag_nack_codes), 0x00, NULL, HFILL } }, /* Common */ { &hf_previous, { "Previous message", "doip.previous", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL } } }; /* Setup protocol subtree array */ static int *ett[] = { &ett_doip, &ett_header, &ett_address }; /* UAT definitions */ static uat_field_t doip_diag_addr_uat_fields[] = { UAT_FLD_HEX(doip_diag_addresses, id, "Diagnostic Address", "Diagnostic Address (hex uint16 without leading 0x)"), UAT_FLD_CSTRING(doip_diag_addresses, name, "Name", "Name of the ECU (string)"), UAT_END_FIELDS }; static uat_field_t doip_payload_type_uat_fields[] = { UAT_FLD_HEX(doip_payload_types, id, "Payload Type", "Payload Type (hex uint16 without leading 0x)"), UAT_FLD_CSTRING(doip_payload_types, name, "Name", "Name of the Payload Type (string)"), UAT_END_FIELDS }; proto_doip = proto_register_protocol ( "DoIP (ISO13400) Protocol", /* name */ "DoIP", /* short name */ "doip" /* abbrev */ ); proto_register_field_array(proto_doip, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); doip_handle = register_dissector("doip", dissect_doip, proto_doip); doip_module = prefs_register_protocol(proto_doip, NULL); /* UATs */ doip_diag_addr_uat = uat_new("Diagnostic Addresses", sizeof(generic_one_id_string_t), /* record size */ DATAFILE_DOIP_DIAG_ADDRESSES, /* filename */ true, /* from profile */ (void**)&doip_diag_addresses, /* data_ptr */ &doip_diag_address_count, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_generic_one_id_string_cb, /* copy callback */ update_generic_one_identifier_16bit, /* update callback */ free_generic_one_id_string_cb, /* free callback */ post_update_doip_diag_addresses, /* post update callback */ NULL, /* reset callback */ doip_diag_addr_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(doip_module, "_udf_doip_diag_addresses", "Diagnostics Addresses", "A table to define names of Diagnostics Addresses.", doip_diag_addr_uat); doip_payload_type_uat = uat_new("Payload Types", sizeof(generic_one_id_string_t), /* record size */ DATAFILE_DOIP_PAYLOAD_TYPES, /* filename */ true, /* from profile */ (void**)&doip_payload_types, /* data_ptr */ &doip_payload_type_count, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* but not fields */ NULL, /* help */ copy_generic_one_id_string_cb, /* copy callback */ update_generic_one_identifier_16bit, /* update callback */ free_generic_one_id_string_cb, /* free callback */ post_update_doip_payload_types, /* post update callback */ NULL, /* reset callback */ doip_payload_type_uat_fields /* UAT field definitions */ ); prefs_register_uat_preference(doip_module, "_udf_doip_payload_types", "Payload Types", "A table to define names of Payload Types.", doip_payload_type_uat); prefs_register_bool_preference(doip_module, "hide_address_name_entries", "Hide Address Name Entries", "Should the dissector hide the names for addresses?", &doip_hide_address_names); static ei_register_info ei[] = { { &ei_doip_illegal_length_field, { "doip.illegal_length_field", PI_MALFORMED, PI_ERROR, "DoIP illegal length field", EXPFILL } }, }; expert_module_doip = expert_register_protocol(proto_doip); expert_register_field_array(expert_module_doip, ei, array_length(ei)); } void proto_reg_handoff_doip(void) { dissector_add_uint("udp.port", DOIP_PORT, doip_handle); dissector_add_uint("tcp.port", DOIP_PORT, doip_handle); ssl_dissector_add(DOIP_TLS_PORT, doip_handle); uds_handle = find_dissector("uds_over_doip"); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */