/* file-blf.c * BLF File Format. * By Dr. Lars Voelker * Copyright 2020-2021 Dr. Lars Voelker * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later * * This dissector allows to parse BLF files. */ /* * The following was used as a reference for the file format: * https://bitbucket.org/tobylorenz/vector_blf * The repo above includes multiple examples files as well. */ #include "config.h" #include #include #include static int proto_blf; static int proto_blf_ethernetstatus_obj; static int proto_blf_ethernetphystate_obj; static dissector_handle_t xml_handle; static int hf_blf_file_header; static int hf_blf_file_header_magic; static int hf_blf_file_header_length; static int hf_blf_file_header_api; static int hf_blf_file_header_app; static int hf_blf_file_header_comp_level; static int hf_blf_file_header_app_major; static int hf_blf_file_header_app_minor; static int hf_blf_file_header_len_comp; static int hf_blf_file_header_len_uncomp; static int hf_blf_file_header_obj_count; static int hf_blf_file_header_app_build; static int hf_blf_file_header_start_date; static int hf_blf_file_header_end_date; static int hf_blf_file_header_restore_point_offset; static int hf_blf_lobj; static int hf_blf_lobj_hdr; static int hf_blf_lobj_magic; static int hf_blf_lobj_hdr_len; static int hf_blf_lobj_hdr_type; static int hf_blf_lobj_obj_len; static int hf_blf_lobj_obj_type; static int hf_blf_lobj_hdr_remains; static int hf_blf_lobj_payload; static int hf_blf_cont_comp_method; static int hf_blf_cont_res1; static int hf_blf_cont_res2; static int hf_blf_cont_uncomp_size; static int hf_blf_cont_res4; static int hf_blf_cont_payload; static int hf_blf_app_text_source; static int hf_blf_app_text_reservedapptext1; static int hf_blf_app_text_textlength; static int hf_blf_app_text_reservedapptext2; static int hf_blf_app_text_data_version; static int hf_blf_app_text_channelno; static int hf_blf_app_text_busstype; static int hf_blf_app_text_can_fd_channel; static int hf_blf_app_text_metadata_remaining_length; static int hf_blf_app_text_metadata_type; static int hf_blf_app_text_traceline_source; static int hf_blf_app_text_traceline_display_in_tracewindow; static int hf_blf_app_text_traceline_ascii_conversion_wo_comment_indicator_timestamp; static int hf_blf_app_text_text; static int hf_blf_trigg_cond_state; static int hf_blf_trigg_cond_triggerblocknamelength; static int hf_blf_trigg_cond_triggerconditionlength; static int hf_blf_trigg_cond_triggerblockname; static int hf_blf_trigg_cond_triggercondition; static int hf_blf_sys_var_type; static int hf_blf_sys_var_rep; static int hf_blf_sys_var_reservedsystemvariable1; static int hf_blf_sys_var_namelength; static int hf_blf_sys_var_datalength; static int hf_blf_sys_var_reservedsystemvariable2; static int hf_blf_sys_var_name; static int hf_blf_sys_var_data; static int hf_blf_eth_status_channel; static int hf_blf_eth_status_flags1_b0; static int hf_blf_eth_status_flags1_b1; static int hf_blf_eth_status_flags1_b2; static int hf_blf_eth_status_flags1_b3; static int hf_blf_eth_status_flags1_b4; static int hf_blf_eth_status_flags1_b5; static int hf_blf_eth_status_flags1_b6; static int hf_blf_eth_status_flags1_b7; static int hf_blf_eth_status_flags1_b8; static int hf_blf_eth_status_flags1_b9; static int hf_blf_eth_status_linkstatus; static int hf_blf_eth_status_ethernetphy; static int hf_blf_eth_status_duplex; static int hf_blf_eth_status_mdi; static int hf_blf_eth_status_connector; static int hf_blf_eth_status_clockmode; static int hf_blf_eth_status_pairs; static int hf_blf_eth_status_hardwarechannel; static int hf_blf_eth_status_bitrate; static int hf_blf_eth_status_linkupduration; static int hf_blf_eth_frame_ext_structlength; static int hf_blf_eth_frame_ext_flags; static int hf_blf_eth_frame_ext_channel; static int hf_blf_eth_frame_ext_hardwarechannel; static int hf_blf_eth_frame_ext_frameduration; static int hf_blf_eth_frame_ext_framechecksum; static int hf_blf_eth_frame_ext_dir; static int hf_blf_eth_frame_ext_framelength; static int hf_blf_eth_frame_ext_framehandle; static int hf_blf_eth_frame_ext_reservedethernetframeex; static int hf_blf_eth_phystate_channel; static int hf_blf_eth_phy_state_flags1_b0; static int hf_blf_eth_phy_state_flags1_b1; static int hf_blf_eth_phy_state_flags1_b2; static int hf_blf_eth_phy_state_phystate; static int hf_blf_eth_phy_state_eventstate; static int hf_blf_eth_phy_state_hardwarechannel; static int hf_blf_eth_phy_state_res1; static expert_field ei_blf_file_header_length_too_short; static expert_field ei_blf_object_header_length_too_short; static expert_field ei_blf_object_length_less_than_header_length; static int ett_blf; static int ett_blf_header; static int ett_blf_obj; static int ett_blf_obj_header; static int ett_blf_logcontainer_payload; static int ett_blf_app_text_payload; static const value_string blf_object_names[] = { { BLF_OBJTYPE_UNKNOWN, "Unknown" }, { BLF_OBJTYPE_CAN_MESSAGE, "CAN Message" }, { BLF_OBJTYPE_CAN_ERROR, "CAN Error" }, { BLF_OBJTYPE_CAN_OVERLOAD, "CAN Overload" }, { BLF_OBJTYPE_CAN_STATISTIC, "CAN Statistics" }, { BLF_OBJTYPE_APP_TRIGGER, "App Trigger" }, { BLF_OBJTYPE_ENV_INTEGER, "Env Integer" }, { BLF_OBJTYPE_ENV_DOUBLE, "Env Double" }, { BLF_OBJTYPE_ENV_STRING, "Env String" }, { BLF_OBJTYPE_ENV_DATA, "Env Data" }, { BLF_OBJTYPE_LOG_CONTAINER, "Log Container" }, { BLF_OBJTYPE_LIN_MESSAGE, "LIN Message" }, { BLF_OBJTYPE_LIN_CRC_ERROR, "LIN CRC Error" }, { BLF_OBJTYPE_LIN_DLC_INFO, "LIN DLC Info" }, { BLF_OBJTYPE_LIN_RCV_ERROR, "LIN Receive Error" }, { BLF_OBJTYPE_LIN_SND_ERROR, "LIN Send Error" }, { BLF_OBJTYPE_LIN_SLV_TIMEOUT, "LIN Slave Timeout" }, { BLF_OBJTYPE_LIN_SCHED_MODCH, "LIN Schedule Mode Change" }, { BLF_OBJTYPE_LIN_SYN_ERROR, "LIN Sync Error" }, { BLF_OBJTYPE_LIN_BAUDRATE, "LIN Baudrate" }, { BLF_OBJTYPE_LIN_SLEEP, "LIN Sleep" }, { BLF_OBJTYPE_LIN_WAKEUP, "LIN Wakeup" }, { BLF_OBJTYPE_MOST_SPY, "MOST Spy" }, { BLF_OBJTYPE_MOST_CTRL, "MOST Control" }, { BLF_OBJTYPE_MOST_LIGHTLOCK, "MOST Light Lock" }, { BLF_OBJTYPE_MOST_STATISTIC, "MOST Statistics" }, { BLF_OBJTYPE_FLEXRAY_DATA, "FlexRay Data" }, { BLF_OBJTYPE_FLEXRAY_SYNC, "FlexRay Sync" }, { BLF_OBJTYPE_CAN_DRIVER_ERROR, "CAN Driver Error" }, { BLF_OBJTYPE_MOST_PKT, "MOST Packet" }, { BLF_OBJTYPE_MOST_PKT2, "MOST Packet 2" }, { BLF_OBJTYPE_MOST_HWMODE, "MOST Hardware Mode" }, { BLF_OBJTYPE_MOST_REG, "MOST Register Data" }, { BLF_OBJTYPE_MOST_GENREG, "MOST Register Data" }, { BLF_OBJTYPE_MOST_NETSTATE, "MOST Net State" }, { BLF_OBJTYPE_MOST_DATALOST, "MOST Data Lost" }, { BLF_OBJTYPE_MOST_TRIGGER, "MOST Trigger" }, { BLF_OBJTYPE_FLEXRAY_CYCLE, "FlexRay Cycle" }, { BLF_OBJTYPE_FLEXRAY_MESSAGE, "FlexRay Message" }, { BLF_OBJTYPE_LIN_CHECKSUM_INFO, "LIN Checksum Info" }, { BLF_OBJTYPE_LIN_SPIKE_EVENT, "LIN Spike Event" }, { BLF_OBJTYPE_CAN_DRIVER_SYNC, "CAN Driver Sync" }, { BLF_OBJTYPE_FLEXRAY_STATUS, "FlexRay Status" }, { BLF_OBJTYPE_GPS_EVENT, "GPS Event" }, { BLF_OBJTYPE_FLEXRAY_ERROR, "FlexRay Error" }, { BLF_OBJTYPE_FLEXRAY_STATUS2, "FlexRay Status 2" }, { BLF_OBJTYPE_FLEXRAY_STARTCYCLE, "FlexRay Start Cycle" }, { BLF_OBJTYPE_FLEXRAY_RCVMESSAGE, "FlexRay Receive Message" }, { BLF_OBJTYPE_REALTIMECLOCK, "Realtime Clock" }, { BLF_OBJTYPE_LIN_STATISTIC, "LIN Statistics" }, { BLF_OBJTYPE_J1708_MESSAGE, "J1708 Message" }, { BLF_OBJTYPE_J1708_VIRTUAL_MSG, "J1708 Virtual Message" }, { BLF_OBJTYPE_LIN_MESSAGE2, "LIN Message 2" }, { BLF_OBJTYPE_LIN_SND_ERROR2, "LIN Send Error 2" }, { BLF_OBJTYPE_LIN_SYN_ERROR2, "LIN Sync Error 2" }, { BLF_OBJTYPE_LIN_CRC_ERROR2, "LIN CRC Error 2" }, { BLF_OBJTYPE_LIN_RCV_ERROR2, "LIN Receive Error 2" }, { BLF_OBJTYPE_LIN_WAKEUP2, "LIN Wakeup 2" }, { BLF_OBJTYPE_LIN_SPIKE_EVENT2, "LIN Spike Event 2" }, { BLF_OBJTYPE_LIN_LONG_DOM_SIG, "LIN Long Dominant Signal" }, { BLF_OBJTYPE_APP_TEXT, "Text" }, { BLF_OBJTYPE_FLEXRAY_RCVMESSAGE_EX, "FlexRay Receive Message Ext" }, { BLF_OBJTYPE_MOST_STATISTICEX, "MOST Statistics Ext" }, { BLF_OBJTYPE_MOST_TXLIGHT, "MOST TX Light" }, { BLF_OBJTYPE_MOST_ALLOCTAB, "MOST Allocation Table" }, { BLF_OBJTYPE_MOST_STRESS, "MOST Stress" }, { BLF_OBJTYPE_ETHERNET_FRAME, "Ethernet Frame" }, { BLF_OBJTYPE_SYS_VARIABLE, "System Variable" }, { BLF_OBJTYPE_CAN_ERROR_EXT, "CAN Error Ext" }, { BLF_OBJTYPE_CAN_DRIVER_ERROR_EXT, "CAN Driver Error Ext" }, { BLF_OBJTYPE_LIN_LONG_DOM_SIG2, "LIN Long Dominant Signal 2" }, { BLF_OBJTYPE_MOST_150_MESSAGE, "MOST150 Message" }, { BLF_OBJTYPE_MOST_150_PKT, "MOST150 Packet" }, { BLF_OBJTYPE_MOST_ETHERNET_PKT, "MOST Ethernet Packet" }, { BLF_OBJTYPE_MOST_150_MESSAGE_FRAGMENT, "MOST150 Message Fragment" }, { BLF_OBJTYPE_MOST_150_PKT_FRAGMENT, "MOST150 Packet Fragment" }, { BLF_OBJTYPE_MOST_ETHERNET_PKT_FRAGMENT, "MOST Ethernet Packet Fragment" }, { BLF_OBJTYPE_MOST_SYSTEM_EVENT, "MOST System Event" }, { BLF_OBJTYPE_MOST_150_ALLOCTAB, "MOST150 Allocation Table" }, { BLF_OBJTYPE_MOST_50_MESSAGE, "MOST50 Message" }, { BLF_OBJTYPE_MOST_50_PKT, "MOST50 Packet" }, { BLF_OBJTYPE_CAN_MESSAGE2, "CAN Message 2" }, { BLF_OBJTYPE_LIN_UNEXPECTED_WAKEUP, "LIN Unexpected Wakeup" }, { BLF_OBJTYPE_LIN_SHORT_OR_SLOW_RESPONSE, "LIN Short or Slow Response" }, { BLF_OBJTYPE_LIN_DISTURBANCE_EVENT, "LIN Disturbance" }, { BLF_OBJTYPE_SERIAL_EVENT, "Serial" }, { BLF_OBJTYPE_OVERRUN_ERROR, "Overrun Error" }, { BLF_OBJTYPE_EVENT_COMMENT, "Comment" }, { BLF_OBJTYPE_WLAN_FRAME, "WLAN Frame" }, { BLF_OBJTYPE_WLAN_STATISTIC, "WLAN Statistics" }, { BLF_OBJTYPE_MOST_ECL, "MOST Electric Control Line" }, { BLF_OBJTYPE_GLOBAL_MARKER, "Global Marker" }, { BLF_OBJTYPE_AFDX_FRAME, "AFDX Frame" }, { BLF_OBJTYPE_AFDX_STATISTIC, "AFDX Statistics" }, { BLF_OBJTYPE_KLINE_STATUSEVENT, "KLINE Status" }, { BLF_OBJTYPE_CAN_FD_MESSAGE, "CANFD Message" }, { BLF_OBJTYPE_CAN_FD_MESSAGE_64, "CANFD Message 64" }, { BLF_OBJTYPE_ETHERNET_RX_ERROR, "Ethernet RX Error" }, { BLF_OBJTYPE_ETHERNET_STATUS, "Ethernet Status" }, { BLF_OBJTYPE_CAN_FD_ERROR_64, "CANFD Error 64" }, { BLF_OBJTYPE_AFDX_STATUS, "AFDX Status" }, { BLF_OBJTYPE_AFDX_BUS_STATISTIC, "AFDX Bus Statistics" }, { BLF_OBJTYPE_AFDX_ERROR_EVENT, "AFDX Error" }, { BLF_OBJTYPE_A429_ERROR, "A429 Error" }, { BLF_OBJTYPE_A429_STATUS, "A429 Status" }, { BLF_OBJTYPE_A429_BUS_STATISTIC, "A429 Bus Statistics" }, { BLF_OBJTYPE_A429_MESSAGE, "A429 Message" }, { BLF_OBJTYPE_ETHERNET_STATISTIC, "Ethernet Statistics" }, { BLF_OBJTYPE_TEST_STRUCTURE, "Test Structure" }, { BLF_OBJTYPE_DIAG_REQUEST_INTERPRETATION, "Diagnostics Request Interpretation" }, { BLF_OBJTYPE_ETHERNET_FRAME_EX, "Ethernet Frame Ext" }, { BLF_OBJTYPE_ETHERNET_FRAME_FORWARDED, "Ethernet Frame Forwarded" }, { BLF_OBJTYPE_ETHERNET_ERROR_EX, "Ethernet Error Ext" }, { BLF_OBJTYPE_ETHERNET_ERROR_FORWARDED, "Ethernet Error Forwarded" }, { BLF_OBJTYPE_FUNCTION_BUS, "Function Bus" }, { BLF_OBJTYPE_DATA_LOST_BEGIN, "Data Lost Begin" }, { BLF_OBJTYPE_DATA_LOST_END, "Data Lost End" }, { BLF_OBJTYPE_WATER_MARK_EVENT, "Watermark" }, { BLF_OBJTYPE_TRIGGER_CONDITION, "Trigger Condition" }, { BLF_OBJTYPE_CAN_SETTING_CHANGED, "CAN Settings Changed" }, { BLF_OBJTYPE_DISTRIBUTED_OBJECT_MEMBER, "Distributed Object Member" }, { BLF_OBJTYPE_ATTRIBUTE_EVENT, "Attribute Event" }, { BLF_OBJTYPE_DISTRIBUTED_OBJECT_CHANGE, "Distributed Object Change" }, { BLF_OBJTYPE_ETHERNET_PHY_STATE, "Ethernet PHY State" }, { 0, NULL } }; static const value_string application_names[] = { { 0, "Unknown" }, { 1, "Vector CANalyzer" }, { 2, "Vector CANoe" }, { 3, "Vector CANstress" }, { 4, "Vector CANlog" }, { 5, "Vector CANape" }, { 6, "Vector CANcaseXL log" }, { 7, "Vector Logger Configurator" }, { 200, "Porsche Logger" }, { 201, "CAETEC Logger" }, { 202, "Vector Network Simulator" }, { 203, "IPETRONIK logger" }, { 204, "RT PK" }, { 205, "PikeTec" }, { 206, "Sparks" }, { 0, NULL } }; #define BLF_COMPRESSION_NONE 0 #define BLF_COMPRESSION_ZLIB 2 static const value_string blf_compression_names[] = { { BLF_COMPRESSION_NONE, "No Compression" }, { BLF_COMPRESSION_ZLIB, "Compression ZLIB" }, { 0, NULL } }; static const value_string blf_app_text_source_vals[] = { { 0, "Measurement comment" }, { 1, "Database channel information" }, { 2, "Meta data" }, { 3, "Attachment" }, { 4, "Trace line" }, { 0, NULL } }; static const value_string blf_trigger_cond_state_vals[] = { { 0, "Unknown" }, { 1, "Start" }, { 2, "Stop" }, { 3, "StartStop"}, { 0, NULL } }; static const value_string blf_sys_var_type_vals[] = { { 1, "Double" }, { 2, "Long" }, { 3, "String"}, { 4, "DoubleArray"}, { 5, "LongArray"}, { 6, "LongLong"}, { 7, "ByteArray"}, { 0, NULL } }; static const value_string blf_eth_status_linkstatus_vals[] = { { 0, "UnknownLinkStatus" }, { 1, "LinkDown" }, { 2, "LinkUp"}, { 3, "Negotiate"}, { 4, "LinkError"}, { 0, NULL } }; static const value_string blf_eth_status_ethernetphy_vals[] = { { 0, "UnknownEthernetPhy" }, { 1, "Ieee802_3" }, { 2, "BroadR_Reach"}, { 0, NULL } }; static const value_string blf_eth_status_duplex_vals[] = { { 0, "UnknownDuplex" }, { 1, "HalfDuplex" }, { 2, "FullDuplex"}, { 0, NULL } }; static const value_string blf_eth_status_mdi_vals[] = { { 0, "UnknownMDI" }, { 1, "Direct" }, { 2, "Crossover"}, { 0, NULL } }; static const value_string blf_eth_status_connector_vals[] = { { 0, "UnknownConnector" }, { 1, "RJ45" }, { 2, "D-sub"}, { 0, NULL } }; static const value_string blf_eth_status_clockmode_vals[] = { { 0, "UnknownClockMode" }, { 1, "Master" }, { 2, "Slave"}, { 0, NULL } }; static const value_string blf_eth_status_pairs_vals[] = { { 0, "UnknownPairs" }, { 1, "1" }, { 2, "2"}, { 3, "4"}, { 0, NULL } }; static const value_string blf_bustype_vals[] = { { BLF_BUSTYPE_CAN, "CAN" }, { BLF_BUSTYPE_LIN, "LIN" }, { BLF_BUSTYPE_MOST, "MOST"}, { BLF_BUSTYPE_FLEXRAY, "FLEXRAY"}, { BLF_BUSTYPE_J1708, "J1708"}, { BLF_BUSTYPE_ETHERNET, "ETHERNET"}, { BLF_BUSTYPE_WLAN, "WLAN"}, { BLF_BUSTYPE_AFDX, "AFDX"}, { 0, NULL } }; static const value_string blf_app_text_metadata_type_vals[] = { { 1, "General" }, { 2, "Channels" }, { 3, "Identity" }, { 0, NULL } }; static const value_string hf_blf_app_text_traceline_source_vals[] = { { 0, "Write to log" }, { 1, "Timer" }, { 2, "Write to X" }, { 3, "Node layer" }, { 4, "CAPL on board" }, { 0, NULL } }; static const value_string blf_eth_phystate_phystate_vals[] = { { 0, "Invalid" }, { 1, "Normal" }, { 2, "Sleep"}, { 3, "PowerOff"}, { 4, "SleepRequest"}, { 0, NULL } }; static const value_string blf_eth_phystate_eventstate_vals[] = { { 0, "Invalid" }, { 1, "SleepReceived" }, { 2, "SleepSent"}, { 3, "SleepAbort"}, { 4, "SleepAckReceived"}, { 8, "WakeUpReceived"}, { 9, "WakeUpSent"}, { 17, "PowerOff"}, { 18, "PowerOn"}, { 25, "Activated"}, { 0, NULL } }; #define BLF_BUSTYPE_CAN 1 #define BLF_BUSTYPE_LIN 5 #define BLF_BUSTYPE_MOST 6 #define BLF_BUSTYPE_FLEXRAY 7 #define BLF_BUSTYPE_J1708 9 #define BLF_BUSTYPE_ETHERNET 11 #define BLF_BUSTYPE_WLAN 13 #define BLF_BUSTYPE_AFDX 14 void proto_register_file_blf(void); void proto_reg_handoff_file_blf(void); static int dissect_blf_next_object(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset); #define MAGIC_NUMBER_SIZE 4 static const uint8_t blf_file_magic[MAGIC_NUMBER_SIZE] = { 'L', 'O', 'G', 'G' }; static const uint8_t blf_lobj_magic[MAGIC_NUMBER_SIZE] = { 'L', 'O', 'B', 'J' }; static proto_item * dissect_blf_header_date(proto_tree *tree, int hf, tvbuff_t *tvb, int offset, int length) { static const value_string weekday_names[] = { { 0, "Sunday"}, { 1, "Monday"}, { 2, "Tuesday"}, { 3, "Wednesday"}, { 4, "Thursday"}, { 5, "Friday"}, { 6, "Saturday"}, { 0, NULL } }; uint16_t year = tvb_get_uint16(tvb, offset + 0, ENC_LITTLE_ENDIAN); uint16_t month = tvb_get_uint16(tvb, offset + 2, ENC_LITTLE_ENDIAN); uint16_t day_of_week = tvb_get_uint16(tvb, offset + 4, ENC_LITTLE_ENDIAN); uint16_t day = tvb_get_uint16(tvb, offset + 6, ENC_LITTLE_ENDIAN); uint16_t hour = tvb_get_uint16(tvb, offset + 8, ENC_LITTLE_ENDIAN); uint16_t minute = tvb_get_uint16(tvb, offset + 10, ENC_LITTLE_ENDIAN); uint16_t sec = tvb_get_uint16(tvb, offset + 12, ENC_LITTLE_ENDIAN); uint16_t ms = tvb_get_uint16(tvb, offset + 14, ENC_LITTLE_ENDIAN); header_field_info *hfinfo = proto_registrar_get_nth(hf); return proto_tree_add_bytes_format(tree, hf, tvb, offset, length, NULL, "%s: %s %d-%02d-%02d %02d:%02d:%02d.%03d", hfinfo->name, val_to_str(day_of_week, weekday_names, "%d"), year, month, day, hour, minute, sec, ms); } static proto_item * dissect_blf_api_version(proto_tree *tree, int hf, tvbuff_t *tvb, int offset, int length) { uint8_t major = tvb_get_uint8(tvb, offset + 0); uint8_t minor = tvb_get_uint8(tvb, offset + 1); uint8_t build = tvb_get_uint8(tvb, offset + 2); uint8_t patch = tvb_get_uint8(tvb, offset + 3); header_field_info *hfinfo = proto_registrar_get_nth(hf); return proto_tree_add_bytes_format(tree, hf, tvb, offset, length, NULL, "%s: %d.%d.%d.%d", hfinfo->name, major, minor, build, patch); } static int // NOLINTNEXTLINE(misc-no-recursion) dissect_blf_lobj(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset_orig) { proto_item *ti_root = NULL; proto_item *ti = NULL; proto_item *ti_lobj_hdr; proto_tree *objtree = NULL; proto_tree *subtree = NULL; volatile int offset = offset_orig; tvbuff_t *sub_tvb; uint32_t hdr_length; uint32_t obj_length; unsigned obj_type; uint32_t comp_method; /* this should never happen since we should only be called with at least 16 Bytes present */ if (tvb_captured_length_remaining(tvb, offset_orig) < 16) { return tvb_captured_length_remaining(tvb, offset_orig); } ti_root = proto_tree_add_item(tree, hf_blf_lobj, tvb, offset, -1, ENC_NA); objtree = proto_item_add_subtree(ti_root, ett_blf_obj); ti_lobj_hdr = proto_tree_add_item(objtree, hf_blf_lobj_hdr, tvb, offset, -1, ENC_NA); subtree = proto_item_add_subtree(ti_lobj_hdr, ett_blf_obj); proto_tree_add_item(subtree, hf_blf_lobj_magic, tvb, offset, 4, ENC_NA); offset += 4; ti = proto_tree_add_item_ret_uint(subtree, hf_blf_lobj_hdr_len, tvb, offset, 2, ENC_LITTLE_ENDIAN, &hdr_length); if (hdr_length < sizeof (struct blf_blockheader)) { expert_add_info(pinfo, ti, &ei_blf_object_header_length_too_short); } offset += 2; proto_tree_add_item(subtree, hf_blf_lobj_hdr_type, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; ti = proto_tree_add_item_ret_uint(subtree, hf_blf_lobj_obj_len, tvb, offset, 4, ENC_LITTLE_ENDIAN, &obj_length); if (obj_length < hdr_length) { expert_add_info(pinfo, ti, &ei_blf_object_length_less_than_header_length); } offset += 4; proto_tree_add_item_ret_uint(subtree, hf_blf_lobj_obj_type, tvb, offset, 4, ENC_LITTLE_ENDIAN, &obj_type); offset += 4; proto_item_set_end(ti_lobj_hdr, tvb, offset); /* check if the whole object is present or if it was truncated */ if (tvb_captured_length_remaining(tvb, offset_orig) < (int)obj_length) { proto_item_set_end(ti_root, tvb, offset_orig + tvb_captured_length_remaining(tvb, offset_orig)); proto_item_append_text(ti_root, " TRUNCATED"); return tvb_captured_length_remaining(tvb, offset_orig); } proto_item_set_end(ti_root, tvb, offset_orig + obj_length); proto_item_append_text(ti_root, " (%s)", val_to_str(obj_type, blf_object_names, "%d")); switch (obj_type) { case BLF_OBJTYPE_LOG_CONTAINER: proto_tree_add_item_ret_uint(objtree, hf_blf_cont_comp_method, tvb, offset, 2, ENC_LITTLE_ENDIAN, &comp_method); offset += 2; proto_tree_add_item(objtree, hf_blf_cont_res1, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; proto_tree_add_item(objtree, hf_blf_cont_res2, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(objtree, hf_blf_cont_uncomp_size, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(objtree, hf_blf_cont_res4, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; if (comp_method == BLF_COMPRESSION_NONE) { sub_tvb = tvb_new_subset_length(tvb, offset, offset_orig + obj_length - offset); } else { sub_tvb = tvb_child_uncompress_zlib(tvb, tvb, offset, offset_orig + obj_length - offset); if (sub_tvb) { add_new_data_source(pinfo, sub_tvb, "Decompressed Data"); } } /* TODO: actually the objects might overlap containers, which we do not consider here... */ if (sub_tvb && tvb_captured_length(sub_tvb) > 0) { unsigned offset_sub = 0; ti = proto_tree_add_item(objtree, hf_blf_cont_payload, sub_tvb, 0, offset_orig + obj_length - offset, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_logcontainer_payload); unsigned tmp = 42; while ((offset_sub + 16 <= offset_orig + obj_length - offset) && (tmp > 0)) { tmp = dissect_blf_next_object(sub_tvb, pinfo, subtree, offset_sub); offset_sub += tmp; } } break; case BLF_OBJTYPE_APP_TEXT: { unsigned source; unsigned textlength; if (offset - offset_orig < (int)hdr_length) { proto_tree_add_item(subtree, hf_blf_lobj_hdr_remains, tvb, offset, hdr_length - (offset - offset_orig), ENC_NA); offset = offset_orig + hdr_length; } ti = proto_tree_add_item(objtree, hf_blf_lobj_payload, tvb, offset, obj_length - hdr_length, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_app_text_payload); proto_tree_add_item_ret_uint(subtree, hf_blf_app_text_source, tvb, offset, 4, ENC_LITTLE_ENDIAN, &source); offset += 4; /*uint32_t reservedAppText1 {};*/ switch (source) { case BLF_APPTEXT_CHANNEL: /* 1: Database channel information * - reserved contains channel information. The following * - table show how the 4 bytes are used: * - Bit 0-7: Version of the data * - Bit 8-15: Channel number * - Bit 15-23: Bus type of the channel. One of the * following values: * - 1: BL_BUSTYPE_CAN * - 5: BL_BUSTYPE_LIN * - 6: BL_BUSTYPE_MOST * - 7: BL_BUSTYPE_FLEXRAY * - 9: BL_BUSTYPE_J1708 * - 10: BL_BUSTYPE_ETHERNET * - 13: BL_BUSTYPE_WLAN * - 14: BL_BUSTYPE_AFDX * - Bit 24: Flag, that determines, if channel is a CAN- * FD channel * - Bit 25-31: Unused at the moment * - text contains database information for the specific * channel. Each database is defined by the database path and * the cluster name (if available). The single databases and the * cluster name are separated by a semicolon. Example: * \;\;\;\;... * If for a database there's no cluster name available, an * empty string is written as cluster name. */ proto_tree_add_item(subtree, hf_blf_app_text_data_version, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_channelno, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_busstype, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_can_fd_channel, tvb, offset, 4, ENC_LITTLE_ENDIAN); break; case BLF_APPTEXT_METADATA: proto_tree_add_item(subtree, hf_blf_app_text_metadata_remaining_length, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_metadata_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); break; case BLF_APPTEXT_TRACELINE: proto_tree_add_item(subtree, hf_blf_app_text_traceline_source, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_traceline_display_in_tracewindow, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(subtree, hf_blf_app_text_traceline_ascii_conversion_wo_comment_indicator_timestamp, tvb, offset, 4, ENC_LITTLE_ENDIAN); break; default: proto_tree_add_item(subtree, hf_blf_app_text_reservedapptext1, tvb, offset, 4, ENC_LITTLE_ENDIAN); break; } offset += 4; /*uint32_t textLength {};*/ proto_tree_add_item_ret_uint(subtree, hf_blf_app_text_textlength, tvb, offset, 4, ENC_LITTLE_ENDIAN, &textlength); offset += 4; /*uint32_t reservedAppText2 {};*/ proto_tree_add_item(subtree, hf_blf_app_text_reservedapptext2, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* If there is less than 38 characters this is not XML * */ if ((textlength > 37) && (tvb_strncaseeql(tvb, offset, "= 8) { proto_tree_add_item(subtree, hf_blf_eth_status_linkupduration, tvb, offset, 8, ENC_LITTLE_ENDIAN); } } break; case BLF_OBJTYPE_ETHERNET_FRAME_EX: { if (offset - offset_orig < (int)hdr_length) { proto_tree_add_item(subtree, hf_blf_lobj_hdr_remains, tvb, offset, hdr_length - (offset - offset_orig), ENC_NA); offset = offset_orig + hdr_length; } ti = proto_tree_add_item(objtree, hf_blf_lobj_payload, tvb, offset, obj_length - hdr_length, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_app_text_payload); /* uint16_t structLength {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_structlength, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint16_t flags {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_flags, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint16_t channel {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_channel, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint16_t hardwareChannel {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_hardwarechannel, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint64_t frameDuration {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_frameduration, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; /* uint32_t frameChecksum {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_framechecksum, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* uint16_t dir {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_dir, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint16_t frameLength {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_framelength, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; /* uint32_t frameHandle {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_framehandle, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* uint32_t reservedEthernetFrameEx {}; */ proto_tree_add_item(subtree, hf_blf_eth_frame_ext_reservedethernetframeex, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; } break; case BLF_OBJTYPE_TRIGGER_CONDITION: { uint32_t triggerblocknamelength; uint32_t triggerconditionlength; if (offset - offset_orig < (int)hdr_length) { proto_tree_add_item(subtree, hf_blf_lobj_hdr_remains, tvb, offset, hdr_length - (offset - offset_orig), ENC_NA); offset = offset_orig + hdr_length; } ti = proto_tree_add_item(objtree, hf_blf_lobj_payload, tvb, offset, obj_length - hdr_length, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_app_text_payload); /* uint32_t state {}; */ proto_tree_add_item(subtree, hf_blf_trigg_cond_state, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* uint32_t triggerBlockNameLength {}; */ proto_tree_add_item_ret_uint(subtree, hf_blf_trigg_cond_triggerblocknamelength, tvb, offset, 4, ENC_LITTLE_ENDIAN,&triggerblocknamelength); offset += 4; /* uint32_t triggerConditionLength {};*/ proto_tree_add_item_ret_uint(subtree, hf_blf_trigg_cond_triggerconditionlength, tvb, offset, 4, ENC_LITTLE_ENDIAN, &triggerconditionlength); offset += 4; /* std::string triggerBlockName {};*/ proto_tree_add_item(subtree, hf_blf_trigg_cond_triggerblockname, tvb, offset, triggerblocknamelength, ENC_UTF_8 | ENC_NA); offset += triggerblocknamelength; /* std::string triggerCondition {};*/ proto_tree_add_item(subtree, hf_blf_trigg_cond_triggercondition, tvb, offset, triggerconditionlength, ENC_UTF_8 | ENC_NA); offset += triggerconditionlength; } break; case BLF_OBJTYPE_ETHERNET_PHY_STATE: { static int* const flags1[] = { &hf_blf_eth_phy_state_flags1_b2, &hf_blf_eth_phy_state_flags1_b1, &hf_blf_eth_phy_state_flags1_b0, NULL }; if (offset - offset_orig < (int)hdr_length) { proto_tree_add_item(subtree, hf_blf_lobj_hdr_remains, tvb, offset, hdr_length - (offset - offset_orig), ENC_NA); offset = offset_orig + hdr_length; } ti = proto_tree_add_item(objtree, hf_blf_lobj_payload, tvb, offset, obj_length - hdr_length, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_app_text_payload); /* uint16_t channel {}; */ proto_tree_add_item(subtree, hf_blf_eth_phystate_channel, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* uint16_t flags; */ proto_tree_add_bitmask_list(subtree, tvb, offset, 2, flags1, ENC_BIG_ENDIAN); offset += 2; /* uint8_t phyState {}; */ proto_tree_add_item(subtree, hf_blf_eth_phy_state_phystate, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* uint8_t eventState {}; */ proto_tree_add_item(subtree, hf_blf_eth_phy_state_eventstate, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* uint8_t hardwareChannel {}; */ proto_tree_add_item(subtree, hf_blf_eth_phy_state_hardwarechannel, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* uint8_t res1 {}; */ proto_tree_add_item(subtree, hf_blf_eth_phy_state_res1, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } break; default: if (offset - offset_orig < (int)hdr_length) { proto_tree_add_item(subtree, hf_blf_lobj_hdr_remains, tvb, offset, hdr_length - (offset - offset_orig), ENC_NA); offset = offset_orig + hdr_length; } proto_tree_add_item(objtree, hf_blf_lobj_payload, tvb, offset, obj_length - hdr_length, ENC_NA); offset = offset_orig + obj_length; break; } return (int)obj_length; } static int // NOLINTNEXTLINE(misc-no-recursion) dissect_blf_next_object(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { int offset_orig = offset; while (tvb_captured_length_remaining(tvb, offset) >= 16) { if (tvb_memeql(tvb, offset, blf_lobj_magic, MAGIC_NUMBER_SIZE) != 0) { offset += 1; } else { increment_dissection_depth(pinfo); int bytes_parsed = dissect_blf_lobj(tvb, pinfo, tree, offset); decrement_dissection_depth(pinfo); if (bytes_parsed <= 0) { return 0; } else { offset += bytes_parsed; } } } return offset - offset_orig; } static int dissect_blf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { volatile int offset = 0; proto_tree *blf_tree; uint32_t header_length; proto_tree *subtree; proto_item *ti; unsigned length; if (tvb_captured_length(tvb) < 8 || tvb_memeql(tvb, 0, blf_file_magic, MAGIC_NUMBER_SIZE) != 0) { /* does not start with LOGG, so this is not BLF it seems */ return 0; } ti = proto_tree_add_item(tree, proto_blf, tvb, offset, -1, ENC_NA); blf_tree = proto_item_add_subtree(ti, ett_blf); length = tvb_get_uint32(tvb, 4, ENC_LITTLE_ENDIAN); ti = proto_tree_add_item(blf_tree, hf_blf_file_header, tvb, offset, length, ENC_NA); subtree = proto_item_add_subtree(ti, ett_blf_header); proto_tree_add_item(subtree, hf_blf_file_header_magic, tvb, offset, 4, ENC_NA); offset += 4; ti = proto_tree_add_item_ret_uint(subtree, hf_blf_file_header_length, tvb, offset, 4, ENC_LITTLE_ENDIAN, &header_length); if (header_length < sizeof (struct blf_fileheader)) { expert_add_info(pinfo, ti, &ei_blf_file_header_length_too_short); } offset += 4; dissect_blf_api_version(subtree, hf_blf_file_header_api, tvb, offset, 4); offset += 4; proto_tree_add_item(subtree, hf_blf_file_header_app, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(subtree, hf_blf_file_header_comp_level, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(subtree, hf_blf_file_header_app_major, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(subtree, hf_blf_file_header_app_minor, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(subtree, hf_blf_file_header_len_comp, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_blf_file_header_len_uncomp, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; proto_tree_add_item(subtree, hf_blf_file_header_obj_count, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(subtree, hf_blf_file_header_app_build, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; dissect_blf_header_date(subtree, hf_blf_file_header_start_date, tvb, offset, 16); offset += 16; dissect_blf_header_date(subtree, hf_blf_file_header_end_date, tvb, offset, 16); offset += 16; proto_tree_add_item(subtree, hf_blf_file_header_restore_point_offset, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 8; offset += dissect_blf_next_object(tvb, pinfo, blf_tree, offset); return offset; } static bool dissect_blf_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { return dissect_blf(tvb, pinfo, tree, data) > 0; } static int dissect_blf_ethernetstatus_obj(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data _U_) { proto_item *ti; proto_tree* blf_tree; int offset = 0; static int* const flags1[] = { &hf_blf_eth_status_flags1_b9, &hf_blf_eth_status_flags1_b8, &hf_blf_eth_status_flags1_b7, &hf_blf_eth_status_flags1_b6, &hf_blf_eth_status_flags1_b5, &hf_blf_eth_status_flags1_b4, &hf_blf_eth_status_flags1_b3, &hf_blf_eth_status_flags1_b2, &hf_blf_eth_status_flags1_b1, &hf_blf_eth_status_flags1_b0, NULL }; col_set_str(pinfo->cinfo, COL_PROTOCOL, "BLF Ethernet Status"); col_clear(pinfo->cinfo, COL_INFO); ti = proto_tree_add_item(tree, proto_blf_ethernetstatus_obj, tvb, offset, -1, ENC_NA); blf_tree = proto_item_add_subtree(ti, ett_blf); /* uint16_t channel {}; */ uint32_t channel; proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_status_channel, tvb, offset, 2, ENC_BIG_ENDIAN, &channel); offset += 2; /* uint16_t flags; */ uint16_t flags = tvb_get_ntohs(tvb, offset); proto_tree_add_bitmask_list(blf_tree, tvb, offset, 2, flags1, ENC_BIG_ENDIAN); offset += 2; /* uint8_t linkStatus {}; */ uint32_t linkstatus; ti = proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_status_linkstatus, tvb, offset, 1, ENC_BIG_ENDIAN, &linkstatus); if ((flags & BLF_ETH_STATUS_LINKSTATUS) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t ethernetPhy {};*/ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_ethernetphy, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_ETHERNETPHY) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t duplex {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_duplex, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_DUPLEX) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t mdi {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_mdi, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_MDITYPE) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t connector {};*/ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_connector, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_CONNECTOR) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t clockMode {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_clockmode, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_CLOCKMODE) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t pairs {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_pairs, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_BRPAIR) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t hardwareChannel {};*/ uint32_t hardwarechannel; ti = proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_status_hardwarechannel, tvb, offset, 1, ENC_BIG_ENDIAN, &hardwarechannel); if ((flags & BLF_ETH_STATUS_HARDWARECHANNEL) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint32_t bitrate {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_bitrate, tvb, offset, 4, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_BITRATE) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 4; if ((int)tvb_captured_length(tvb) >= offset + 8) { /* uint64_t linkUpDuration {}; */ ti = proto_tree_add_item(blf_tree, hf_blf_eth_status_linkupduration, tvb, offset, 8, ENC_BIG_ENDIAN); if ((flags & BLF_ETH_STATUS_LINKUPDURATION) == 0) { proto_item_append_text(ti, " - Invalid"); } } if ((flags & BLF_ETH_STATUS_LINKSTATUS) != 0) { if ((flags & BLF_ETH_STATUS_HARDWARECHANNEL) == 0) { col_add_fstr(pinfo->cinfo, COL_INFO, "ETH-%u %s", channel, val_to_str_const(linkstatus, blf_eth_status_linkstatus_vals, "Unknown")); } else { col_add_fstr(pinfo->cinfo, COL_INFO, "ETH-%u-%u %s", channel, hardwarechannel, val_to_str_const(linkstatus, blf_eth_status_linkstatus_vals, "Unknown")); } } return tvb_reported_length(tvb); } static int dissect_blf_ethernetphystate_obj(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data _U_) { proto_item* ti; proto_tree* blf_tree; int offset = 0; static int* const flags1[] = { &hf_blf_eth_phy_state_flags1_b2, &hf_blf_eth_phy_state_flags1_b1, &hf_blf_eth_phy_state_flags1_b0, NULL }; col_set_str(pinfo->cinfo, COL_PROTOCOL, "BLF Ethernet PHY State"); col_clear(pinfo->cinfo, COL_INFO); ti = proto_tree_add_item(tree, proto_blf_ethernetphystate_obj, tvb, offset, -1, ENC_NA); blf_tree = proto_item_add_subtree(ti, ett_blf); /* uint16_t channel {}; */ uint32_t channel; proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_phystate_channel, tvb, offset, 2, ENC_BIG_ENDIAN, &channel); offset += 2; /* uint16_t flags; */ uint16_t flags = tvb_get_ntohs(tvb, offset); proto_tree_add_bitmask_list(blf_tree, tvb, offset, 2, flags1, ENC_BIG_ENDIAN); offset += 2; /* uint8_t phyState {}; */ uint32_t phyState; ti = proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_phy_state_phystate, tvb, offset, 1, ENC_BIG_ENDIAN, &phyState); if ((flags & BLF_PHY_STATE_PHYSTATE) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t eventState {}; */ uint32_t eventState; ti = proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_phy_state_eventstate, tvb, offset, 1, ENC_BIG_ENDIAN, &eventState); if ((flags & BLF_PHY_STATE_PHYEVENT) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t hardwareChannel {}; */ uint32_t hardwareChannel; ti = proto_tree_add_item_ret_uint(blf_tree, hf_blf_eth_phy_state_hardwarechannel, tvb, offset, 1, ENC_BIG_ENDIAN, &hardwareChannel); if ((flags & BLF_PHY_STATE_HARDWARECHANNEL) == 0) { proto_item_append_text(ti, " - Invalid"); } offset += 1; /* uint8_t res1 {}; */ proto_tree_add_item(blf_tree, hf_blf_eth_phy_state_res1, tvb, offset, 1, ENC_BIG_ENDIAN); if ((flags & (BLF_PHY_STATE_PHYSTATE | BLF_PHY_STATE_PHYEVENT)) != 0) { /* One of the two is valid */ if ((flags & BLF_PHY_STATE_HARDWARECHANNEL) == 0) { col_add_fstr(pinfo->cinfo, COL_INFO, "ETH-%u", channel); } else { col_add_fstr(pinfo->cinfo, COL_INFO, "ETH-%u-%u", channel, hardwareChannel); } if ((flags & BLF_PHY_STATE_PHYSTATE) != 0) { col_append_fstr(pinfo->cinfo, COL_INFO, " - State: %s", val_to_str_const(phyState, blf_eth_phystate_phystate_vals, "Unknown")); } if ((flags & BLF_PHY_STATE_PHYEVENT) != 0) { col_append_fstr(pinfo->cinfo, COL_INFO, " - Event: %s", val_to_str_const(eventState, blf_eth_phystate_eventstate_vals, "Unknown")); } } return tvb_reported_length(tvb); } void proto_register_file_blf(void) { expert_module_t *expert_blf; static hf_register_info hf[] = { { &hf_blf_file_header, { "File Header", "blf.file_header", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_magic, { "Magic", "blf.file_header.magic", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_length, { "Header Length", "blf.file_header.length", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_api, { "API Version", "blf.file_header.api", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_app, { "Application", "blf.file_header.application", FT_UINT8, BASE_DEC, VALS(application_names), 0x00, NULL, HFILL }}, { &hf_blf_file_header_comp_level, { "Compression Level", "blf.file_header.compression_level", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_app_major, { "Application Major Version", "blf.file_header.application_major", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_app_minor, { "Application Minor Version", "blf.file_header.application_minor", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_len_comp, { "Length (compressed)", "blf.file_header.length_compressed", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_len_uncomp, { "Length (uncompressed)", "blf.file_header.length_uncompressed", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_obj_count, { "Object Count", "blf.file_header.object_count", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_app_build, { "Application Build", "blf.file_header.application_build", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_start_date, { "Start Date", "blf.file_header.start_date", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_end_date, { "End Date", "blf.file_header.end_date", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_file_header_restore_point_offset, { "Restore Point Offset", "blf.file_header.restore_point_offset", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj, { "Object", "blf.object", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_hdr, { "Object Header", "blf.object.header", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_magic, { "Magic", "blf.object.header.magic", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_hdr_len, { "Header Length", "blf.object.header.header_length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_hdr_type, { "Header Type", "blf.object.header.header_type", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_obj_len, { "Object Length", "blf.object.header.object_length", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_obj_type, { "Object Type", "blf.object.header.object_type", FT_UINT32, BASE_DEC, VALS(blf_object_names), 0x00, NULL, HFILL }}, { &hf_blf_lobj_hdr_remains, { "Header unparsed", "blf.object.header.unparsed", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_lobj_payload, { "Payload", "blf.object.payload", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_cont_comp_method, { "Compression Method", "blf.object.logcontainer.compression_method", FT_UINT16, BASE_HEX, VALS(blf_compression_names), 0x00, NULL, HFILL }}, { &hf_blf_cont_res1, { "Reserved", "blf.object.logcontainer.res1", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL }}, { &hf_blf_cont_res2, { "Reserved", "blf.object.logcontainer.res2", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL }}, { &hf_blf_cont_uncomp_size, { "Uncompressed Length", "blf.object.logcontainer.uncompressed_length", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_cont_res4, { "Reserved", "blf.object.logcontainer.res4", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL }}, { &hf_blf_cont_payload, { "Payload", "blf.object.logcontainer.payload", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_app_text_source, { "Source", "blf.object.app_text.source", FT_UINT32, BASE_DEC, VALS(blf_app_text_source_vals), 0x00, NULL, HFILL }}, { &hf_blf_app_text_reservedapptext1, { "reservedAppText1", "blf.object.app_text.reservedapptext1", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_app_text_textlength, { "Text length", "blf.object.app_text.textlength", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_app_text_reservedapptext2, { "reservedAppText2", "blf.object.app_text.reservedapptext2", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_app_text_data_version, { "Version", "blf.object.app_text.version", FT_UINT32, BASE_DEC, NULL, 0x000000ff, NULL, HFILL }}, { &hf_blf_app_text_channelno, { "Channel number", "blf.object.app_text.channelno", FT_UINT32, BASE_DEC, NULL, 0x0000ff00, NULL, HFILL }}, { &hf_blf_app_text_busstype, { "Bus type", "blf.object.app_text.bustype", FT_UINT32, BASE_DEC, VALS(blf_bustype_vals), 0x00ff0000, NULL, HFILL}}, { &hf_blf_app_text_can_fd_channel, { "CAN FD-Channel", "blf.object.app_text.can_fd_channel", FT_BOOLEAN, 32, NULL, 0x01000000, NULL, HFILL }}, { &hf_blf_app_text_metadata_remaining_length, { "Remaining length", "blf.object.app_text.remaining_length", FT_UINT32, BASE_DEC, NULL, 0x00ffffff, NULL, HFILL }}, { &hf_blf_app_text_metadata_type, { "Metadata type", "blf.object.app_text.metadata_type", FT_UINT32, BASE_DEC, VALS(blf_app_text_metadata_type_vals), 0xff000000, NULL, HFILL}}, { &hf_blf_app_text_traceline_source, { "Metadata type", "blf.object.app_text.traceline_source", FT_UINT32, BASE_DEC, VALS(hf_blf_app_text_traceline_source_vals), 0x0000000f, NULL, HFILL}}, { &hf_blf_app_text_traceline_display_in_tracewindow, { "Display in trace window", "blf.object.app_text.display_in_tracewindow", FT_BOOLEAN, 32, NULL, 0x00000010, NULL, HFILL}}, { &hf_blf_app_text_traceline_ascii_conversion_wo_comment_indicator_timestamp, { "ASCII conversion should be done without comment indicator and timestamp", "blf.object.app_text.ascii_conversion_wo_comment_indicator_timestamp", FT_BOOLEAN, 32, NULL, 0x00000020, NULL, HFILL}}, { &hf_blf_app_text_text, { "Text", "blf.object.app_text.text", FT_STRINGZPAD, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_trigg_cond_state, { "State", "blf.object.trigg_con.state", FT_UINT32, BASE_DEC, VALS(blf_trigger_cond_state_vals), 0x00, NULL, HFILL}}, { &hf_blf_trigg_cond_triggerblocknamelength, { "Trigger blockname length", "blf.object.trigg_con.triggerblocknamelength", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_trigg_cond_triggerconditionlength, { "Trigger condition length", "blf.object.trigg_con.triggerconditionlength", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_trigg_cond_triggerblockname, { "Trigger blockname", "blf.object.trigg_con.triggerblockname", FT_STRINGZPAD, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_trigg_cond_triggercondition, { "Trigger condition", "blf.object.trigg_con.triggercondition", FT_STRINGZPAD, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_blf_sys_var_type, { "Type", "blf.object.sys_var.type", FT_UINT32, BASE_DEC, VALS(blf_sys_var_type_vals), 0x00, NULL, HFILL}}, { &hf_blf_sys_var_rep, { "Representation", "blf.object.sys_var.representation", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_sys_var_reservedsystemvariable1, { "Reserved systemvariable 1", "blf.object.sys_var.reservedsystemvariable1", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_sys_var_namelength, { "Name length", "blf.object.sys_var.namelength", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL}}, { &hf_blf_sys_var_datalength, { "Data length", "blf.object.sys_var.datalength", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL}}, { &hf_blf_sys_var_reservedsystemvariable2, { "Reserved systemvariable 2", "blf.object.sys_var.reservedsystemvariable2", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_blf_sys_var_name, { "Name", "blf.object.sys_var.name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_blf_sys_var_data, { "Data", "blf.object.sys_var.data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_blf_eth_status_channel, { "Channel", "blf.object.eth_status.channel", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_status_flags1_b0, { "LinkStatus", "blf.object.eth_status.flags.b0", FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b1, { "Bitrate", "blf.object.eth_status.flags.b1", FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b2, { "EthernetPhy", "blf.object.eth_status.flags.b2", FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b3, { "Duplex", "blf.object.eth_status.flags.b3", FT_BOOLEAN, 16, NULL, 0x0008, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b4, { "MdiType", "blf.object.eth_status.flags.b4", FT_BOOLEAN, 16, NULL, 0x0010, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b5, { "Connector", "blf.object.eth_status.flags.b5", FT_BOOLEAN, 16, NULL, 0x0020, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b6, { "ClockMode", "blf.object.eth_status.flags.b6", FT_BOOLEAN, 16, NULL, 0x0040, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b7, { "BrPair", "blf.object.eth_status.flags.b7", FT_BOOLEAN, 16, NULL, 0x0080, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b8, { "HardwareChannel", "blf.object.eth_status.flags.b8", FT_BOOLEAN, 16, NULL, 0x0100, NULL, HFILL } }, { &hf_blf_eth_status_flags1_b9, { "Link up duration", "blf.object.eth_status.flags.b9", FT_BOOLEAN, 16, NULL, 0x0200, NULL, HFILL } }, { &hf_blf_eth_status_linkstatus, { "Link status", "blf.object.eth_status.linkstatus", FT_UINT8, BASE_DEC, VALS(blf_eth_status_linkstatus_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_ethernetphy, { "Ethernet PHY", "blf.object.eth_status.ethernetphy", FT_UINT8, BASE_DEC, VALS(blf_eth_status_ethernetphy_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_duplex, { "Duplex", "blf.object.eth_status.duplex", FT_UINT8, BASE_DEC, VALS(blf_eth_status_duplex_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_mdi, { "MDI", "blf.object.eth_status.mdi", FT_UINT8, BASE_DEC, VALS(blf_eth_status_mdi_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_connector, { "Connector", "blf.object.eth_status.connector", FT_UINT8, BASE_DEC, VALS(blf_eth_status_connector_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_clockmode, { "Clock mode", "blf.object.eth_status.clockmode", FT_UINT8, BASE_DEC, VALS(blf_eth_status_clockmode_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_pairs, { "Pairs", "blf.object.eth_status.pairs", FT_UINT8, BASE_DEC, VALS(blf_eth_status_pairs_vals), 0x00, NULL, HFILL}}, { &hf_blf_eth_status_hardwarechannel, { "Hardware channel", "blf.object.eth_status.hardwarechannel", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_status_bitrate, { "Bitrate (kbps)", "blf.object.eth_status.bitrate", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_status_linkupduration, { "Link up duration (ns)", "blf.object.eth_status.linkupduration", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_structlength, { "Struct length", "blf.object.eth_frame_ext.structlength", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_flags, { "Flags", "blf.object.eth_frame_ext.flags", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_channel, { "Channel", "blf.object.eth_frame_ext.channel", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_hardwarechannel, { "Hardware Channel", "blf.object.eth_frame_ext.hardwarechannel", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_frameduration, { "Frame duration", "blf.object.eth_frame_ext.frameduration", FT_UINT64, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_framechecksum, { "Frame checksum", "blf.object.eth_frame_ext.framechecksum", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_dir, { "Dir", "blf.object.eth_frame_ext.dir", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_framelength, { "Frame length", "blf.object.eth_frame_ext.frame_length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_framehandle, { "Frame handle", "blf.object.eth_frame_ext.frame_handle", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_frame_ext_reservedethernetframeex, { "Reserved ethernet frame ex", "blf.object.eth_frame_ext.reservedethernetframeex", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_phystate_channel, { "Channel", "blf.object.eth_phy_state.channel", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_phy_state_flags1_b0, { "PHYState", "blf.object.eth_phy_state.flags.b0", FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL } }, { &hf_blf_eth_phy_state_flags1_b1, { "PHYEvent", "blf.object.eth_phy_state.flags.b1", FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL } }, { &hf_blf_eth_phy_state_flags1_b2, { "HardwareChannel", "blf.object.eth_phy_state.flags.b2", FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL } }, { &hf_blf_eth_phy_state_phystate, { "PHY state", "blf.object.eth_status.phystate", FT_UINT8, BASE_DEC, VALS(blf_eth_phystate_phystate_vals), 0x00, NULL, HFILL} }, { &hf_blf_eth_phy_state_eventstate, { "Event state", "blf.object.eth_status.eventstate", FT_UINT8, BASE_DEC, VALS(blf_eth_phystate_eventstate_vals), 0x00, NULL, HFILL} }, { &hf_blf_eth_phy_state_hardwarechannel, { "Hardware channel", "blf.object.eth_status.hardwarechannel", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL} }, { &hf_blf_eth_phy_state_res1, { "Reserved", "blf.object.eth_status.res1", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL} }, }; static ei_register_info ei[] = { { &ei_blf_file_header_length_too_short, { "blf.file_header_length_too_short", PI_MALFORMED, PI_ERROR, "file header length is too short", EXPFILL }}, { &ei_blf_object_header_length_too_short, { "blf.object_header_length_too_short", PI_MALFORMED, PI_ERROR, "object header length is too short", EXPFILL }}, { &ei_blf_object_length_less_than_header_length, { "blf.object_length_less_than_header_length", PI_MALFORMED, PI_ERROR, "object length is less than the object header length", EXPFILL }}, }; static int *ett[] = { &ett_blf, &ett_blf_header, &ett_blf_obj, &ett_blf_obj_header, &ett_blf_logcontainer_payload, &ett_blf_app_text_payload, }; proto_blf = proto_register_protocol("BLF File Format", "File-BLF", "file-blf"); proto_blf_ethernetstatus_obj = proto_register_protocol("BLF Ethernet Status", "BLF-Ethernet-Status", "blf-ethernet-status"); proto_blf_ethernetphystate_obj = proto_register_protocol("BLF Ethernet PHY State", "BLF-Ethernet-PHY-State", "blf-ethernet-phystate"); expert_blf = expert_register_protocol(proto_blf); expert_register_field_array(expert_blf, ei, array_length(ei)); proto_register_field_array(proto_blf, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); register_dissector("file-blf", dissect_blf, proto_blf); register_dissector("blf-ethernetstatus-obj", dissect_blf_ethernetstatus_obj, proto_blf_ethernetstatus_obj); register_dissector("blf-ethernetphystate-obj", dissect_blf_ethernetphystate_obj, proto_blf_ethernetphystate_obj); } void proto_reg_handoff_file_blf(void) { heur_dissector_add("wtap_file", dissect_blf_heur, "BLF File", "blf_wtap", proto_blf, HEURISTIC_ENABLE); xml_handle = find_dissector_add_dependency("xml", proto_blf); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local Variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * ex: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */