/* packet-gsm_bssmap_le.c * Routines for GSM Lb Interface BSSMAP dissection * * Copyright 2008, Johnny Mitrevski * * 3GPP TS 49.031 version v7.4.0 (2009-09) * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include #include #include "packet-bssap.h" #include "packet-gsm_a_common.h" void proto_register_gsm_bssmap_le(void); void proto_reg_handoff_gsm_bssmap_le(void); /* PROTOTYPES/FORWARDS */ /* Message Type definitions */ #define BSSMAP_LE_PERFORM_LOCATION_REQUEST 43 #define BSSMAP_LE_PERFORM_LOCATION_RESPONSE 45 #define BSSMAP_LE_PERFORM_LOCATION_ABORT 46 #define BSSMAP_LE_PERFORM_LOCATION_INFORMATION 47 #define BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION 42 #define BSSMAP_LE_CONNECTIONLESS_INFORMATION 58 #define BSSMAP_LE_RESET 48 #define BSSMAP_LE_RESET_ACKNOWLEDGE 49 static const value_string gsm_bssmap_le_msg_strings[] = { { 0, "Reserved" }, { 1, "Reserved" }, { 2, "Reserved" }, { 3, "Reserved" }, { 4, "Reserved" }, { BSSMAP_LE_PERFORM_LOCATION_REQUEST, "Perform Location Request" }, { BSSMAP_LE_PERFORM_LOCATION_RESPONSE, "Perform Location Response" }, { BSSMAP_LE_PERFORM_LOCATION_ABORT, "Perform Location Abort" }, { BSSMAP_LE_PERFORM_LOCATION_INFORMATION, "Perform Location Information" }, { BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION, "Connection Oriented Information" }, { BSSMAP_LE_CONNECTIONLESS_INFORMATION, "Connectionless Information" }, { BSSMAP_LE_RESET, "Reset" }, { BSSMAP_LE_RESET_ACKNOWLEDGE, "Reset Acknowledge" }, { 0, NULL } }; /* Information Element definitions */ #define BSSMAP_LE_LCS_QOS 62 #define BSSMAP_LE_LCS_PRIORITY 67 #define BSSMAP_LE_LOCATION_TYPE 68 #define BSSMAP_LE_GANSS_LOCATION_TYPE 130 #define BSSMAP_LE_GEOGRAPHIC_LOCATION 69 #define BSSMAP_LE_POSITIONING_DATA 70 #define BSSMAP_LE_GANSS_POSITIONING_DATA 131 #define BSSMAP_LE_VELOCITY_DATA 85 #define BSSMAP_LE_LCS_CAUSE 71 #define BSSMAP_LE_LCS_CLIENT_TYPE 72 #define BSSMAP_LE_APDU 73 #define BSSMAP_LE_NETWORK_ELEMENT_IDENTITY 74 #define BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA 75 #define BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA 65 #define BSSMAP_LE_DECIPHERING_KEYS 76 #define BSSMAP_LE_RETURN_ERROR_REQUEST 77 #define BSSMAP_LE_RETURN_ERROR_CAUSE 78 #define BSSMAP_LE_SEGMENTATION 79 #define BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3 19 #define BSSMAP_LE_CAUSE 4 #define BSSMAP_LE_CELL_IDENTIFIER 5 #define BSSMAP_LE_CHOSEN_CHANNEL 33 #define BSSMAP_LE_IMSI 0 #define BSSMAP_LE_RESERVED_NOTE1 1 #define BSSMAP_LE_RESERVED_NOTE2 2 #define BSSMAP_LE_RESERVED_NOTE3 3 #define BSSMAP_LE_LCS_CAPABILITY 80 #define BSSMAP_LE_PACKET_MEASUREMENT_REPORT 81 #define BSSMAP_LE_CELL_IDENTITY_LIST 82 #define BSSMAP_LE_IMEI 128 static const value_string gsm_bssmap_le_elem_strings[] = { { DE_BMAPLE_LCSQOS, "LCS QoS" }, { DE_BMAPLE_LCS_PRIO, "LCS Priority" }, { DE_BMAPLE_LOC_TYPE, "Location Type" }, { DE_BMAPLE_GANSS_LOC_TYPE, "GANSS Location Type" }, { DE_BMAPLE_GEO_LOC, "Geographic Location" }, { DE_BMAPLE_POS_DATA, "Positioning Data" }, { DE_BMAPLE_GANSS_POS_DATA, "GANSS Positioning Data" }, { DE_BMAPLE_VELOC_DATA, "Velocity Data" }, { DE_BMAPLE_LCS_CAUSE, "LCS Cause" }, { DE_BMAPLE_LCS_CLIENT_TYPE, "LCS Client Type" }, { DE_BMAPLE_APDU, "APDU" }, { DE_BMAPLE_NETWORK_ELEM_ID, "Network Element Identity" }, { DE_BMAPLE_REQ_GPS_ASSIST_D, "Requested GPS Assistance Data" }, { DE_BMAPLE_REQ_GNSS_ASSIST_D, "Requested GANSS Assistance Data" }, { DE_BMAPLE_DECIPH_KEYS, "Deciphering Keys" }, { DE_BMAPLE_RETURN_ERROR_REQ, "Return Error Request" }, { DE_BMAPLE_RETURN_ERROR_CAUSE, "Return Error Cause" }, { DE_BMAPLE_SEGMENTATION, "Segmentation" }, { DE_BMAPLE_CLASSMARK_TYPE_3, "Classmark Information Type 3" }, { DE_BMAPLE_CAUSE, "Cause" }, { DE_BMAPLE_CELL_IDENTIFIER, "Cell Identifier" }, { DE_BMAPLE_CHOSEN_CHANNEL, "Chosen Channel" }, { DE_BMAPLE_IMSI, "IMSI" }, { DE_BMAPLE_RES1, "Reserved" }, { DE_BMAPLE_RES2, "Reserved" }, { DE_BMAPLE_RES3, "Reserved" }, { DE_BMAPLE_LCS_CAPABILITY, "LCS Capability" }, { DE_BMAPLE_PACKET_MEAS_REP, "Packet Measurement Report" }, { DE_BMAPLE_MEAS_CELL_ID, "Cell Identity List" }, { DE_BMAPLE_IMEI, "IMEI" }, { 0, NULL } }; value_string_ext gsm_bssmap_le_elem_strings_ext = VALUE_STRING_EXT_INIT(gsm_bssmap_le_elem_strings); static const value_string gsm_apdu_protocol_id_strings[] = { { 0, "reserved" }, { 1, "BSSLAP" }, { 2, "LLP" }, { 3, "SMLCPP" }, { 0, NULL }, }; /* Velocity Requested definitions */ static const value_string bssmap_le_velocity_requested_vals[] = { { 0, "do not report velocity" }, { 1, "report velocity if available" }, { 0, NULL} }; /* Vertical Coordinate definitions */ static const value_string bssmap_le_vertical_coordinate_indicator_vals[] = { { 0, "vertical coordinate not requested" }, { 1, "vertical coordinate is requested" }, { 0, NULL} }; /* Horizontal Accuracy definitions */ static const value_string bssmap_le_horizontal_accuracy_indicator_vals[] = { { 0, "horizontal accuracy is not specified" }, { 1, "horizontal accuracy is specified" }, { 0, NULL} }; /* Vertical Accuracy definitions */ static const value_string bssmap_le_vertical_accuracy_indicator_vals[] = { { 0, "vertical accuracy is not specified" }, { 1, "vertical accuracy is specified" }, { 0, NULL} }; /* Response Time definitions */ static const value_string bssmap_le_response_time_definitions_vals[] = { { 0, "Response Time is not specified" }, { 1, "Low Delay" }, { 2, "Delay Tolerant" }, { 3, "reserved" }, { 0, NULL} }; static const value_string bssmap_le_loc_inf_vals[] = { { 0, "Current Geographic Location" }, { 1, "Location Assistance Information for the target MS" }, { 2, "Deciphering keys for broadcast assistance data for the target MS" }, { 0, NULL } }; static const value_string bssmap_le_pos_method_vals[] = { { 0, "Reserved" }, { 1, "Mobile Assisted E-OTD" }, { 2, "Mobile Based E-OTD" }, { 3, "Assisted GPS" }, { 4, "Assisted GANSS" }, { 5, "Assisted GPS and Assisted GANSS" }, { 0, NULL } }; static const value_string bssmap_le_pos_data_pos_method_vals[] = { { 0, "Timing Advance" }, { 1, "Reserved" }, { 2, "Reserved" }, { 3, "Mobile Assisted E - OTD" }, { 4, "Mobile Based E - OTD" }, { 5, "Mobile Assisted GPS" }, { 6, "Mobile Based GPS" }, { 7, "Conventional GPS" }, { 8, "U - TDOA" }, { 9, "Reserved for UTRAN use only" }, { 0xa, "Reserved for UTRAN use only" }, { 0xb, "Reserved for UTRAN use only" }, { 0xc, "Cell ID" }, { 0, NULL } }; static const value_string bssmap_le_pos_data_usage_vals[] = { { 0, "Attempted unsuccessfully due to failure or interruption" }, { 1, "Attempted successfully : results not used to generate location" }, { 2, "Attempted successfully : results used to verify but not generate location" }, { 3, "Attempted successfully : results used to generate location" }, { 4, "Attempted successfully : method or methods used by the MS cannot be determined" }, { 0, NULL } }; /* Initialize the protocol and registered fields */ static int proto_bssmap_le; int hf_gsm_bssmap_le_elem_id; /* The following hf_* variables are used to hold the Wireshark IDs of * our header fields; they are filled out when we call * proto_register_field_array() in proto_register_bssmap_le() */ static int hf_gsm_bssmap_le_msg_type; static int hf_gsm_bssmap_le_apdu_protocol_id; static int hf_gsm_bssmap_le_spare; static int hf_gsm_bssmap_le_ciphering_key_flag; static int hf_gsm_bssmap_le_current_deciphering_key_value; static int hf_gsm_bssmap_le_next_deciphering_key_value; static int hf_gsm_bssmap_le_acq_ass; static int hf_gsm_bssmap_le_ref_time; static int hf_gsm_bssmap_le_ref_loc; static int hf_gsm_bssmap_le_dgps_corr; static int hf_gsm_bssmap_le_nav_mod; static int hf_gsm_bssmap_le_iono_mod; static int hf_gsm_bssmap_le_utc_mod; static int hf_gsm_bssmap_le_almanac; static int hf_gsm_bssmap_le_ephemeris_ext_chk; static int hf_gsm_bssmap_le_ephemeris_ext; static int hf_gsm_bssmap_le_real_time_int; static int hf_gsm_bssmap_le_lcs_cause_value; static int hf_gsm_bssmap_le_diagnostic_value; static int hf_gsm_bssmap_le_client_category; static int hf_gsm_bssmap_le_client_subtype; static int hf_gsm_bssmap_le_velocity_requested; static int hf_gsm_bssmap_le_vertical_coordinate_indicator; static int hf_gsm_bssmap_le_horizontal_accuracy_indicator; static int hf_gsm_bssmap_le_horizontal_accuracy; static int hf_gsm_bssmap_le_vertical_accuracy_indicator; static int hf_gsm_bssmap_le_vertical_accuracy; static int hf_gsm_bssmap_le_response_time_category; static int hf_gsm_bssmap_le_apdu; static int hf_gsm_bssmap_le_message_elements; static int hf_gsm_bssmap_le_location_inf; static int hf_gsm_bssmap_le_pos_method; static int hf_gsm_bssmap_le_pos_data_disc; static int hf_gsm_bssmap_le_pos_data_pos_method; static int hf_gsm_bssmap_le_pos_data_usage; /* Initialize the subtree pointers */ static int ett_bssmap_le_msg; static expert_field ei_gsm_a_bssmap_le_not_decoded_yet; static expert_field ei_gsm_a_bssmap_le_extraneous_data; static expert_field ei_gsm_a_bssmap_le_missing_mandatory_element; static dissector_handle_t gsm_bsslap_handle; static dissector_handle_t bssmap_le_handle; static proto_tree *g_tree; #define NUM_GSM_BSSMAP_LE_ELEM array_length(gsm_bssmap_le_elem_strings) int ett_gsm_bssmap_le_elem[NUM_GSM_BSSMAP_LE_ELEM]; /* * 10.3 APDU */ static uint16_t de_bmaple_apdu(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint32_t curr_offset; uint8_t apdu_protocol_id; tvbuff_t *APDU_tvb; curr_offset = offset; proto_tree_add_item(tree, hf_gsm_bssmap_le_apdu, tvb, curr_offset, len, ENC_NA); /* * dissect the embedded APDU message * if someone writes a TS 09.31 dissector * * The APDU octets 4 to n are coded in the same way as the * equivalent octet in the APDU element of 3GPP TS 49.031 BSSAP-LE. */ apdu_protocol_id = tvb_get_uint8(tvb,curr_offset); proto_tree_add_item(tree, hf_gsm_bssmap_le_apdu_protocol_id, tvb, curr_offset, 1, ENC_BIG_ENDIAN); switch(apdu_protocol_id){ case 1: /* BSSLAP * the embedded message is as defined in 3GPP TS 08.71(3GPP TS 48.071 version 7.2.0 Release 7) */ APDU_tvb = tvb_new_subset_length(tvb, curr_offset+1, len-1); if(gsm_bsslap_handle) call_dissector(gsm_bsslap_handle, APDU_tvb, pinfo, g_tree); break; case 2: /* LLP * The embedded message contains a Facility Information Element as defined in 3GPP TS 04.71 * excluding the Facility IEI and length of Facility IEI octets defined in 3GPP TS 04.71.(3GPP TS 44.071). */ break; case 3: /* SMLCPP * The embedded message is as defined in 3GPP TS 08.31(TS 48.031). */ break; default: break; } curr_offset += len; EXTRANEOUS_DATA_CHECK(len, curr_offset - offset, pinfo, &ei_gsm_a_bssmap_le_extraneous_data); return curr_offset - offset; } /* * 10.4 Cause * coded as the value part of the Cause IE defined in 3GPP TS 48.008 */ /* * 10.5 Cell Identifier * coded as the value part of the Cell Identifier IE defined in 3GPP TS 48.008 */ /* * 10.6 Chosen Channel * coded as the value part of the Chosen Channel IE defined in 3GPP TS 48.008 */ /* * 10.7 Classmark Information Type 3 * coded as the value part of the Classmark Information Type 3 IE defined in 3GPP TS 48.008 */ /* * 10.8 Deciphering Keys */ static uint16_t de_bmaple_decihp_keys(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { int bit_offset; /* Spare bits */ bit_offset = (offset<<3); proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bit_offset, 7, ENC_BIG_ENDIAN); bit_offset += 7; /* Extract the Ciphering Key Flag and add to protocol tree */ proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_ciphering_key_flag, tvb, bit_offset, 1, ENC_BIG_ENDIAN); bit_offset++; /*offset++;*/ /* Extract the Current Deciphering Key Value and add to protocol tree */ proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_current_deciphering_key_value, tvb, bit_offset, 56, ENC_NA); bit_offset += 56; /*offset += 7;*/ /* Extract the Next Deciphering Key Value and add to protocol tree */ proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_next_deciphering_key_value, tvb, bit_offset, 56, ENC_NA); /*offset += 7;*/ return len; } /* * 10.9 Geographic Location * contains an octet sequence identical to that for Geographical Information * defined in 3GPP TS 23.032.. */ /* * 10.10 Requested GPS Assistance Data */ static uint16_t de_bmaple_req_gps_ass_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint32_t curr_offset; curr_offset = offset; /* Octet 3 H G F E D C B A */ /* bit H Acquisition Assistance */ proto_tree_add_item(tree, hf_gsm_bssmap_le_acq_ass, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit G Reference Time */ proto_tree_add_item(tree, hf_gsm_bssmap_le_ref_time, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit F Reference Location */ proto_tree_add_item(tree, hf_gsm_bssmap_le_ref_loc, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit E DGPS Corrections */ proto_tree_add_item(tree, hf_gsm_bssmap_le_dgps_corr, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit D Navigation Model */ proto_tree_add_item(tree, hf_gsm_bssmap_le_nav_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit C Ionospheric Model */ proto_tree_add_item(tree, hf_gsm_bssmap_le_iono_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit B UTC Model */ proto_tree_add_item(tree, hf_gsm_bssmap_le_utc_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit A Almanac */ proto_tree_add_item(tree, hf_gsm_bssmap_le_almanac, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; /* Octet 4 P O N M L K J I * bits L through P are Spare bits */ /* bit K Ephemeris Extension Check */ proto_tree_add_item(tree, hf_gsm_bssmap_le_ephemeris_ext_chk, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit J Ephemeris Extension */ proto_tree_add_item(tree, hf_gsm_bssmap_le_ephemeris_ext, tvb, curr_offset, 1, ENC_BIG_ENDIAN); /* bit I Real-Time Integrity */ proto_tree_add_item(tree, hf_gsm_bssmap_le_real_time_int, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; /* Octet 5 to Octet 8+2n Satellite related data */ proto_tree_add_expert_format(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, curr_offset, len-2, "Satellite related data Not decoded yet"); return len; } /* * 10.11 IMSI * coded as the value part of the Mobile Identity IE defined in 3GPP TS 24.008 (NOTE 1) * NOTE 1: The Type of identity field in the Mobile Identity IE shall * be ignored by the receiver */ /* * 10.12 (void) */ /* * 10.13 LCS Cause */ static const value_string bssmap_le_lcs_cause_values[] = { { 0, "Unspecified" }, { 1, "System Failure" }, { 2, "Protocol Error" }, { 3, "Data missing in position request" }, { 4, "Unexpected data value in position request" }, { 5, "Position method failure" }, { 6, "Target MS Unreachable" }, { 7, "Location request aborted" }, { 8, "Facility not supported" }, { 9, "Inter-BSC Handover Ongoing" }, { 10, "Intra-BSC Handover Complete" }, { 11, "Congestion" }, { 12, "Inter NSE cell change" }, { 13, "Routing Area Update" }, { 14, "PTMSI reallocation" }, { 15, "Suspension of GPRS services" }, { 0, NULL} }; static const value_string bssmap_le_position_method_failure_diagnostic_vals[] = { { 0, "Congestion" }, { 1, "insufficientResources" }, { 2, "insufficientMeasurementData" }, { 3, "inconsistentMeasurementData" }, { 4, "locationProcedureNotCompleted" }, { 5, "locationProcedureNotSupportedByTargetMS" }, { 6, "qoSNotAttainable" }, { 7, "positionMethodNotAvailableInNetwork" }, { 8, "positionMethodNotAvailableInLocationArea" }, { 0, NULL} }; static uint16_t de_bmaple_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint32_t curr_offset; curr_offset = offset; /* cause value */ proto_tree_add_item(tree, hf_gsm_bssmap_le_lcs_cause_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; if (len == 2) { /* Diagnostic value (note) */ proto_tree_add_item(tree, hf_gsm_bssmap_le_diagnostic_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; } return curr_offset - offset; } /* * 10.14 LCS Client Type */ /* Client Category definitions */ static const value_string bssmap_le_client_category[] = { { 0, "Value Added Client" }, { 2, "PLMN Operator" }, { 3, "Emergency Services"}, { 4, "Lawful Intercept Services"}, { 0, NULL} }; /* Client Subtype definitions */ static const value_string bssmap_le_client_subtype[] = { { 0, "unspecified" }, { 1, "broadcast service" }, { 2, "O&M" }, { 3, "anonymous statistics" }, { 4, "Target MS service support" }, { 0, NULL} }; static uint16_t de_bmaple_client(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len _U_, char *add_string _U_, int string_len _U_) { uint32_t curr_offset; uint8_t bitCount; bitCount = offset<<3; curr_offset = offset; /* Extract the client category and add to protocol tree */ proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_client_category, tvb, bitCount, 4, ENC_BIG_ENDIAN); bitCount = bitCount + 4; /* Extract the client subtype and add to protocol tree */ proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_client_subtype, tvb, bitCount, 4, ENC_BIG_ENDIAN); /*bitCount = bitCount + 4;*/ curr_offset++; return curr_offset - offset; } /* * 10.15 LCS Priority * coded as the LCS-Priority octet in 3GPP TS 29.002 */ /* * 10.16 LCS QoS */ static uint16_t de_bmaple_lcs_qos(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint64_t verticalCoordIndicator, velocityRequested, horizontalAccuracyIndicator, verticalAccuracyIndicator; uint16_t bitCount; bitCount = offset << 3; proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 6, ENC_BIG_ENDIAN); bitCount = bitCount + 6; /* Extract Velocity requested element */ proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_velocity_requested, tvb, bitCount, 1, &velocityRequested, ENC_BIG_ENDIAN); bitCount++; /* Extract vertical coordinator element */ proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_vertical_coordinate_indicator, tvb, bitCount, 1, &verticalCoordIndicator, ENC_BIG_ENDIAN); bitCount++; /* Extract horizontal accuracy element */ proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_horizontal_accuracy_indicator, tvb, bitCount, 1, &horizontalAccuracyIndicator, ENC_BIG_ENDIAN); bitCount++; if(horizontalAccuracyIndicator == 1) { proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_horizontal_accuracy, tvb, bitCount, 7, ENC_BIG_ENDIAN); bitCount = bitCount + 7; } else { proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 7, ENC_BIG_ENDIAN); bitCount = bitCount + 7; } /* Extract vertical accuracy element */ proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_vertical_accuracy_indicator, tvb, bitCount, 1, &verticalAccuracyIndicator, ENC_BIG_ENDIAN); bitCount++; if(verticalAccuracyIndicator == 1) { proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_vertical_accuracy, tvb, bitCount, 7, ENC_BIG_ENDIAN); bitCount = bitCount + 7; } else { proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 7, ENC_BIG_ENDIAN); bitCount = bitCount + 7; } proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_response_time_category, tvb, bitCount, 2, ENC_BIG_ENDIAN); /*bitCount = bitCount + 2;*/ return len; } /* * 10.17 (void) */ /* * 10.18 Location Type */ static uint16_t de_bmaple_location_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint32_t curr_offset; curr_offset = offset; /* Location information (octet 3) */ proto_tree_add_item(tree, hf_gsm_bssmap_le_location_inf, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; if (len == 1) { return len; } /* Positioning Method (octet 4) */ proto_tree_add_item(tree, hf_gsm_bssmap_le_pos_method, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; return curr_offset - offset; } /* * 10.19 Network Element Identity */ /* * 10.20 Positioning Data */ static uint16_t de_bmaple_pos_dta(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { uint32_t curr_offset, value; curr_offset = offset; /* Octet 3 spare Positioning Data Discriminator*/ proto_tree_add_item_ret_uint(tree, hf_gsm_bssmap_le_pos_data_disc, tvb, curr_offset, 1, ENC_BIG_ENDIAN, &value); curr_offset++; if (value != 0) { return len; } /* 0000 indicate usage of each positioning method that was attempted either successfully or unsuccessfully; * 1 octet of data is provided for each positioning method included */ while (curr_offset < (offset +len)) { /* Octet x positioning method usage*/ proto_tree_add_item(tree, hf_gsm_bssmap_le_pos_data_pos_method, tvb, curr_offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_gsm_bssmap_le_pos_data_usage, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; } return len; } /* * 10.21 Return Error Request */ /* * 10.22 Return Error Cause */ /* * 10.23 (void) */ /* * 10.24 Segmentation */ /* * 10.25 (void) */ /* * 10.26 LCS Capability * coded as the value part of the LCS Capability * information element in 3GPP TS 48.018, not including * 3GPP TS 48.018 IEI and length indicator */ /* Dissector for the LCS Capability element */ static uint16_t be_lcs_capability(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { /* Extract the LCS Capability element and add to protocol tree */ proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len); return len; } /* * 10.27 Packet Measurement Report * coded as the Packet Measurement Report * message or the Packet Enhanced Measurement Report message * starting with the 6-bit MESSAGE_TYPE (see clause 11 in * 3GPP TS 44.060) and ending with the Non-distribution contents * (i.e. the RLC/MAC padding bits are not included). The end of the * message is padded with 0-bits to the nearest octet boundary. */ /* Dissector for the Packet Measurement Report element */ static uint16_t be_packet_meas_rep(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { /* Extract the Packet Measurement Report element and add to protocol tree */ proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len); return len; } /* * 10.28 Cell Identity List * coded as the value part of the Cell Identity List IE * defined in 3GPP TS 48.071. */ /* Dissector for the Measured Cell Identity List element */ static uint16_t be_measured_cell_identity(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, uint32_t offset, unsigned len, char *add_string _U_, int string_len _U_) { /* Extract the Measured Cell Identity List element and add to protocol tree */ proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len); return len; } /* * 10.29 IMEI * IMEI coded as the value part of the Mobile Identity IE defined in * 3GPP TS 24.008 (NOTE 1) * NOTE 1: The Type of identity field in the Mobile Identity IE shall * be ignored by the receiver. */ /* * 10.30 Velocity Data * contains an octet sequence identical to that for Description of * Velocity defined in 3GPP TS 23.032. */ /* * 10.31 Requested GANSS Assistance Data */ /* * 10.32 GANSS Positioning Data */ /* * 10.33 GANSS Location Type */ #define NUM_GSM_BSSMAP_LE_MSG array_length(gsm_bssmap_le_msg_strings) static int ett_gsm_bssmap_le_msg[NUM_GSM_BSSMAP_LE_MSG]; /* This enum is defined in packet-gsm_a_common.h to make it possible to use element dissecton from this dissector in other dissectors. It is shown here as a comment for easier reference. Note this enum must be of the same size as the element decoding list below typedef enum { DE_BMAPLE_LCSQOS, / 10.16 LCS QoS / DE_BMAPLE_LCS_PRIO, / LCS Priority / DE_BMAPLE_LOC_TYPE, / 10.18 Location Type / DE_BMAPLE_GANSS_LOC_TYPE, / GANSS Location Type / DE_BMAPLE_GEO_LOC, / 10.9 Geographic Location / DE_BMAPLE_POS_DATA, / 10.20 Positioning Data / DE_BMAPLE_GANSS_POS_DATA, / GANSS Positioning Data / DE_BMAPLE_VELOC_DATA, / Velocity Data / DE_BMAPLE_LCS_CAUSE, / 10.13 LCS Cause / DE_BMAPLE_LCS_CLIENT_TYPE, / LCS Client Type / DE_BMAPLE_APDU, / 10.3 APDU / DE_BMAPLE_NETWORK_ELEM_ID, / Network Element Identity / DE_BMAPLE_REQ_GPS_ASSIST_D, / 10.10 Requested GPS Assistance Data / DE_BMAPLE_REQ_GNSS_ASSIST_D,/ Requested GANSS Assistance Data / DE_BMAPLE_DECIPH_KEYS, / 10.8 Deciphering Keys / DE_BMAPLE_RETURN_ERROR_REQ, / Return Error Request / DE_BMAPLE_RETURN_ERROR_CAUSE, / Return Error Cause / DE_BMAPLE_SEGMENTATION, / Segmentation / DE_BMAPLE_CLASSMARK_TYPE_3, / 10.7 Classmark Information Type 3 / DE_BMAPLE_CAUSE, / 10.4 Cause / DE_BMAPLE_CELL_IDENTIFIER, / 10.5 Cell Identifier / DE_BMAPLE_CHOSEN_CHANNEL, / 10.6 Chosen Channel / DE_BMAPLE_IMSI, / 10.11 IMSI / DE_BMAPLE_RES1, / Reserved / DE_BMAPLE_RES2, / Reserved / DE_BMAPLE_RES3, / Reserved / DE_BMAPLE_LCS_CAPABILITY, / LCS Capability / DE_BMAPLE_PACKET_MEAS_REP, / Packet Measurement Report / DE_BMAPLE_MEAS_CELL_ID, / Measured Cell Identity / DE_BMAPLE_IMEI, / IMEI / BMAPLE_NONE / NONE / } bssmap_le_elem_idx_t; */ uint16_t (*bssmap_le_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len, char *add_string, int string_len) = { /* NOTE: The null types below are defined elsewhere. i.e in packet-gsm_a_bssmap.c */ de_bmaple_lcs_qos, /* 10.16 LCS QoS */ NULL, /* LCS Priority */ de_bmaple_location_type, /* 10.18 Location Type */ be_ganss_loc_type, /* GANSS Location Type */ NULL, /* 10.9 Geographic Location */ de_bmaple_pos_dta, /* 10.20 Positioning Data */ be_ganss_pos_dta, /* GANSS Positioning Data */ NULL, /* Velocity Data */ de_bmaple_cause, /* 10.13 LCS Cause */ de_bmaple_client, /* LCS Client Type */ de_bmaple_apdu, /* APDU */ NULL, /* Network Element Identity */ de_bmaple_req_gps_ass_data, /* 10.10 Requested GPS Assistance Data */ be_ganss_ass_dta, /* Requested GANSS Assistance Data */ de_bmaple_decihp_keys, /* 10.8 Deciphering Keys */ NULL, /* Return Error Request */ NULL, /* Return Error Cause */ NULL, /* Segmentation */ NULL, /* 10.7 Classmark Information Type 3 */ NULL, /* Cause */ NULL, /* Cell Identifier */ NULL, /* 10.6 Chosen Channel */ de_mid, /* 10.11 IMSI */ NULL, /* Reserved */ NULL, /* Reserved */ NULL, /* Reserved */ be_lcs_capability, /* LCS Capability */ be_packet_meas_rep, /* Packet Measurement Report */ be_measured_cell_identity, /* Measured Cell Identity List */ de_mid, /* IMEI (use same dissector as IMSI) */ NULL, /* NONE */ }; /* * 9.1 PERFORM LOCATION REQUEST */ static void bssmap_le_perf_loc_request(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len) { uint32_t curr_offset; uint32_t consumed; unsigned curr_len; curr_offset = offset; curr_len = len; /* Location Type 9.1.1 M 3-n */ ELEM_MAND_TLV(BSSMAP_LE_LOCATION_TYPE, GSM_A_PDU_TYPE_BSSMAP, BE_LOC_TYPE, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element) /* Cell Identifier 9.1.2 O 5-10 */ ELEM_MAND_TLV(BSSMAP_LE_CELL_IDENTIFIER, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element); /* Classmark Information Type 3 9.1.3 O 3-14 */ ELEM_OPT_TLV(BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3, GSM_A_PDU_TYPE_BSSMAP, BE_CM_INFO_3, NULL); /* LCS Client Type 9.1.4 C (note 3) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_LCS_CLIENT_TYPE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CLIENT_TYPE, NULL); /* Chosen Channel 9.1.5 O 2 */ ELEM_OPT_TLV(BSSMAP_LE_CHOSEN_CHANNEL, GSM_A_PDU_TYPE_BSSMAP, BE_CHOSEN_CHAN, NULL); /* LCS Priority 9.1.6 O 3-n */ ELEM_OPT_TLV(BSSMAP_LE_LCS_PRIORITY, GSM_A_PDU_TYPE_BSSMAP, BE_LCS_PRIO, NULL); /* LCS QoS 9.1.6a C (note 1) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_LCS_QOS, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCSQOS, NULL); /* GPS Assistance Data 9.1.7 C (note 2) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA, GSM_A_PDU_TYPE_BSSMAP, BE_GPS_ASSIST_DATA, NULL); /* APDU 9.1.8 O 3-n */ ELEM_OPT_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL); /* LCS Capability 9.1.9 O */ ELEM_OPT_TLV(BSSMAP_LE_LCS_CAPABILITY, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CAPABILITY, NULL); /* Packet Measurement Report 9.1.10 O*/ ELEM_OPT_TLV(BSSMAP_LE_PACKET_MEASUREMENT_REPORT, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_PACKET_MEAS_REP, NULL); /* Measured Cell Identity List 9.1.11 O*/ ELEM_OPT_TLV(BSSMAP_LE_CELL_IDENTITY_LIST, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_MEAS_CELL_ID, NULL); /* IMSI 9.1.12 O (note 4) 5-10 */ ELEM_OPT_TLV(BSSMAP_LE_IMSI, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMSI, NULL); /* IMEI 9.1.13 O (note 4) 10 (use same decode as IMSI) */ ELEM_OPT_TLV(BSSMAP_LE_IMEI, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMEI, NULL); /* GANSS Location Type 9.1.14 C 3 */ ELEM_OPT_TLV(BSSMAP_LE_GANSS_LOCATION_TYPE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_LOC_TYPE, NULL); /* GANSS Assistance Data 9.1.15 C (note 5) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_REQ_GNSS_ASSIST_D, NULL); EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data); } /* * 9.2 PERFORM LOCATION RESPONSE */ static void bssmap_le_perf_loc_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len) { uint32_t curr_offset; uint32_t consumed; unsigned curr_len; curr_offset = offset; curr_len = len; /* Location Estimate 9.2.1 C (note 1) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_GEOGRAPHIC_LOCATION, BSSAP_PDU_TYPE_BSSMAP, BE_LOC_EST, NULL); /* Positioning Data 9.2.2 O 3-n */ ELEM_OPT_TLV(BSSMAP_LE_POSITIONING_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_POS_DATA, NULL); /* Deciphering Keys 9.2.3 C (note 2) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_DECIPHERING_KEYS, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_DECIPH_KEYS, NULL); /* LCS Cause 9.2.4 C (note 3) 3-n */ ELEM_OPT_TLV(BSSMAP_LE_LCS_CAUSE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CAUSE, NULL); /* Velocity Estimate 9.2.5 O 3-n */ ELEM_OPT_TLV(BSSMAP_LE_VELOCITY_DATA, BSSAP_PDU_TYPE_BSSMAP, BE_VEL_EST, NULL); /* GANSS Positioning Data 9.2.6 O 3-n */ ELEM_OPT_TLV(BSSMAP_LE_GANSS_POSITIONING_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_POS_DATA, NULL); EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data); } /* * 9.8 CONNECTION ORIENTED INFORMATION */ static void bssmap_le_connection_oriented(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len) { uint32_t curr_offset; uint32_t consumed; unsigned curr_len; curr_offset = offset; curr_len = len; /* APDU 9.8.1 M 3-n */ ELEM_MAND_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element); /* Segmentation 9.8.2 */ ELEM_OPT_TLV(BSSMAP_LE_SEGMENTATION, BSSAP_PDU_TYPE_BSSMAP, BE_SEG, NULL); EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data); } /* * 9.9 CONNECTIONLESS INFORMATION * Network Element Identity (source) 3.2.2.69 Both M 3-n Network Element Identity (target) 3.2.2.69 Both M 3-n APDU 3.2.2.68 Both M 3-n Segmentation 3.2,2,74 Both C (note 1) 5 Return Error Request 3.2.2.72 Both C (note 2) 3-n Return Error Cause 3.2.2.73 Both C (note 3) 3-n */ /* * 9.11 RESET ACKNOWLEDGE * no data */ /* * 9.12 PERFORM LOCATION INFORMATION */ static void bssmap_le_perf_loc_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len) { uint32_t curr_offset; uint32_t consumed; unsigned curr_len; curr_offset = offset; curr_len = len; /* Cell Identifier 9.12.1 M */ ELEM_MAND_TLV(BSSMAP_LE_CELL_IDENTIFIER, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element); /* APDU 9.1.8 O 3-n */ ELEM_OPT_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL); EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data); } static void (*bssmap_le_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, uint32_t offset, unsigned len) = { NULL, NULL, NULL, NULL, NULL, bssmap_le_perf_loc_request, /* Perform Location Request */ bssmap_le_perf_loc_resp, /* Perform Location Response */ bssmap_perf_loc_abort, /* Abort */ bssmap_le_perf_loc_info, /* Perform Location Information */ bssmap_le_connection_oriented, /* Connection Oriented Information */ NULL, /* Connectionless Information */ bssmap_reset, /* Reset */ NULL, /* Reset Acknowledge */ NULL, /* NONE */ }; static int dissect_bssmap_le(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { static gsm_a_tap_rec_t tap_rec[4]; static gsm_a_tap_rec_t *tap_p; static unsigned tap_current=0; uint8_t oct; uint32_t offset, saved_offset; uint32_t len; int idx; proto_item *bssmap_le_item = NULL; proto_tree *bssmap_le_tree = NULL; const char *str; sccp_msg_info_t *sccp_msg_p = (sccp_msg_info_t *)data; if (!(sccp_msg_p && sccp_msg_p->data.co.assoc)) { sccp_msg_p = NULL; } col_append_str(pinfo->cinfo, COL_INFO, "(BSSMAP LE) "); /* * set tap record pointer */ tap_current++; if (tap_current >= 4) { tap_current = 0; } tap_p = &tap_rec[tap_current]; offset = 0; saved_offset = offset; g_tree = tree; len = tvb_reported_length(tvb); /* * add BSSMAP message name */ oct = tvb_get_uint8(tvb, offset++); str = try_val_to_str_idx((uint32_t) oct, gsm_bssmap_le_msg_strings, &idx); if (sccp_msg_p && !sccp_msg_p->data.co.label) { sccp_msg_p->data.co.label = wmem_strdup(wmem_file_scope(), val_to_str((uint32_t) oct, gsm_bssmap_le_msg_strings, "BSSMAP LE(0x%02x)")); } /* * create the protocol tree */ if (str == NULL) { bssmap_le_item = proto_tree_add_protocol_format(tree, proto_bssmap_le, tvb, 0, len, "Lb - I/F BSSMAP LE - Unknown BSSMAP Message Type (0x%02x)", oct); bssmap_le_tree = proto_item_add_subtree(bssmap_le_item, ett_bssmap_le_msg); } else { bssmap_le_item = proto_tree_add_protocol_format(tree, proto_bssmap_le, tvb, 0, -1, "Lb - I/F BSSMAP LE - %s", str); bssmap_le_tree = proto_item_add_subtree(bssmap_le_item, ett_gsm_bssmap_le_msg[idx]); col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", str); /* * add BSSMAP message name */ proto_tree_add_uint_format(bssmap_le_tree, hf_gsm_bssmap_le_msg_type, tvb, saved_offset, 1, oct, "Message Type %s",str); } tap_p->pdu_type = BSSAP_PDU_TYPE_BSSMAP; tap_p->message_type = oct; tap_queue_packet(gsm_a_tap, pinfo, tap_p); if (str == NULL) return len; if (offset >= len) return len; /* * decode elements */ if (bssmap_le_msg_fcn[idx] == NULL) { proto_tree_add_item(bssmap_le_tree, hf_gsm_bssmap_le_message_elements, tvb, offset, len - offset, ENC_NA); } else { (*bssmap_le_msg_fcn[idx])(tvb, bssmap_le_tree, pinfo, offset, len - offset); } return len; } /* Register the protocol with Wireshark */ void proto_register_gsm_bssmap_le(void) { unsigned i; unsigned last_offset; /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_gsm_bssmap_le_msg_type, { "BSSMAP LE Message Type", "gsm_bssmap_le.msgtype", FT_UINT8, BASE_HEX, VALS(gsm_bssmap_le_msg_strings), 0x0, NULL, HFILL } }, { &hf_gsm_bssmap_le_elem_id, { "Element ID", "gsm_bssmap_le.elem_id", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } }, { &hf_gsm_bssmap_le_apdu_protocol_id, { "Protocol ID", "gsm_bssmap_le.apdu_protocol_id", FT_UINT8, BASE_DEC, VALS(gsm_apdu_protocol_id_strings), 0x0, "APDU embedded protocol id", HFILL } }, { &hf_gsm_bssmap_le_spare, { "Spare", "gsm_bssmap_le.spare", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_ciphering_key_flag, { "Ciphering Key Flag", "gsm_bssmap_le.decipheringKeys.flag", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_current_deciphering_key_value, { "Current Deciphering Key Value", "gsm_bssmap_le.decipheringKeys.current", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_next_deciphering_key_value, { "Next Deciphering Key Value", "gsm_bssmap_le.decipheringKeys.next", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_acq_ass, { "Acquisition Assistance", "gsm_bssmap_le.acq_ass", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x80, NULL, HFILL } }, { &hf_gsm_bssmap_le_ref_time, { "Reference Time", "gsm_bssmap_le.ref_time", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x40, NULL, HFILL } }, { &hf_gsm_bssmap_le_ref_loc, { "Reference Location", "gsm_bssmap_le.ref_loc", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x20, NULL, HFILL } }, { &hf_gsm_bssmap_le_dgps_corr, { "DGPS Corrections", "gsm_bssmap_le.gps_corr", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x08, NULL, HFILL } }, { &hf_gsm_bssmap_le_nav_mod, { "Navigation Model", "gsm_bssmap_le.nav_mod", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x10, NULL, HFILL } }, { &hf_gsm_bssmap_le_iono_mod, { "Ionospheric Model", "gsm_bssmap_le.iono_mod", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x04, NULL, HFILL } }, { &hf_gsm_bssmap_le_utc_mod, { "UTC Model", "gsm_bssmap_le.utc_mod", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x02, NULL, HFILL } }, { &hf_gsm_bssmap_le_almanac, { "Almanac", "gsm_bssmap_le.almanac", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x01, NULL, HFILL } }, { &hf_gsm_bssmap_le_ephemeris_ext_chk, { "Ephemeris Extension Check", "gsm_bssmap_le.ephemeris_ext_chk", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x04, NULL, HFILL } }, { &hf_gsm_bssmap_le_ephemeris_ext, { "Ephemeris Extension", "gsm_bssmap_le.ephemeris_ext", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x02, NULL, HFILL } }, { &hf_gsm_bssmap_le_real_time_int, { "Real-Time Integrity", "gsm_bssmap_le.real_time_int", FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x01, NULL, HFILL } }, { &hf_gsm_bssmap_le_lcs_cause_value, { "Cause Value", "gsm_bssmap_le.lcsCauseValue", FT_UINT8, BASE_HEX, VALS(bssmap_le_lcs_cause_values), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_diagnostic_value, { "Diagnostic Value", "gsm_bssmap_le.diagnosticValue", FT_UINT8, BASE_HEX, VALS(bssmap_le_position_method_failure_diagnostic_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_client_category, { "Client Category", "gsm_bssmap_le.lcsClientType.clientCategory", FT_UINT8, BASE_HEX, VALS(bssmap_le_client_category), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_client_subtype, { "Client Subtype", "gsm_bssmap_le.lcsClientType.clientSubtype", FT_UINT8, BASE_HEX, VALS(bssmap_le_client_subtype), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_velocity_requested, { "Velocity Requested", "gsm_bssmap_le.lcsQos.velocityRequested", FT_UINT8, BASE_HEX, VALS(bssmap_le_velocity_requested_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_vertical_coordinate_indicator, { "Vertical Coordinate Indicator", "gsm_bssmap_le.lcsQos.verticalCoordinateIndicator", FT_UINT8, BASE_HEX, VALS(bssmap_le_vertical_coordinate_indicator_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_horizontal_accuracy_indicator, { "Horizontal Accuracy Indicator", "gsm_bssmap_le.lcsQos.horizontalAccuracyIndicator", FT_UINT8, BASE_HEX, VALS(bssmap_le_horizontal_accuracy_indicator_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_horizontal_accuracy, { "Horizontal Accuracy", "gsm_bssmap_le.lcsQos.horizontalAccuracy", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_vertical_accuracy, { "Vertical Accuracy", "gsm_bssmap_le.lcsQos.verticalAccuracy", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_vertical_accuracy_indicator, { "Vertical Accuracy Indicator", "gsm_bssmap_le.lcsQos.verticalAccuracyIndicator", FT_UINT8, BASE_HEX, VALS(bssmap_le_vertical_accuracy_indicator_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_response_time_category, { "Response Time Category", "gsm_bssmap_le.lcsQos.responseTimeCategory", FT_UINT8, BASE_HEX, VALS(bssmap_le_response_time_definitions_vals), 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_apdu, { "APDU", "gsm_bssmap_le.apdu", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_message_elements, { "Message Elements", "gsm_bssmap_le.message_elements", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_gsm_bssmap_le_location_inf, { "Location Information", "gsm_bssmap_le.location_inf", FT_UINT8, BASE_HEX, VALS(bssmap_le_loc_inf_vals), 0x0, NULL, HFILL } }, { &hf_gsm_bssmap_le_pos_method, { "Positioning Method", "gsm_bssmap_le.pos_method", FT_UINT8, BASE_HEX, VALS(bssmap_le_pos_method_vals), 0x0, NULL, HFILL } }, { &hf_gsm_bssmap_le_pos_data_disc, { "Positioning Data Discriminator", "gsm_bssmap_le.pos_data_disc", FT_UINT8, BASE_HEX, NULL, 0x0f, NULL, HFILL } }, { &hf_gsm_bssmap_le_pos_data_pos_method, { "Positioning Method", "gsm_bssmap_le.pos_data.pos_method", FT_UINT8, BASE_HEX, VALS(bssmap_le_pos_data_pos_method_vals), 0xf8, NULL, HFILL } }, { &hf_gsm_bssmap_le_pos_data_usage, { "Usage", "gsm_bssmap_le.pos_data.usage", FT_UINT8, BASE_HEX, VALS(bssmap_le_pos_data_usage_vals), 0x03, NULL, HFILL } }, }; expert_module_t* expert_gsm_a_bssmap_le; static ei_register_info ei[] = { { &ei_gsm_a_bssmap_le_not_decoded_yet, { "gsm_bssmap_le.not_decoded_yet", PI_UNDECODED, PI_WARN, "Not decoded yet", EXPFILL }}, { &ei_gsm_a_bssmap_le_extraneous_data, { "gsm_bssmap_le.extraneous_data", PI_PROTOCOL, PI_NOTE, "Extraneous Data, dissector bug or later version spec(report to wireshark.org)", EXPFILL }}, { &ei_gsm_a_bssmap_le_missing_mandatory_element, { "gsm_bssmap_le.missing_mandatory_element", PI_PROTOCOL, PI_WARN, "Missing Mandatory element, rest of dissection is suspect", EXPFILL }}, }; /* Setup protocol subtree array */ #define NUM_INDIVIDUAL_ELEMS 1 int *ett[NUM_INDIVIDUAL_ELEMS + NUM_GSM_BSSMAP_LE_MSG + NUM_GSM_BSSMAP_LE_ELEM]; ett[0] = &ett_bssmap_le_msg; last_offset = NUM_INDIVIDUAL_ELEMS; for (i=0; i < NUM_GSM_BSSMAP_LE_MSG; i++, last_offset++) { ett[last_offset] = &ett_gsm_bssmap_le_msg[i]; } for (i=0; i < NUM_GSM_BSSMAP_LE_ELEM; i++, last_offset++) { ett[last_offset] = &ett_gsm_bssmap_le_elem[i]; } /* Register the protocol name and description */ proto_bssmap_le = proto_register_protocol("Lb-I/F BSSMAP LE", "GSM BSSMAP LE", "gsm_bssmap_le"); proto_register_field_array(proto_bssmap_le, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_gsm_a_bssmap_le = expert_register_protocol(proto_bssmap_le); expert_register_field_array(expert_gsm_a_bssmap_le, ei, array_length(ei)); bssmap_le_handle = register_dissector("gsm_bssmap_le", dissect_bssmap_le, proto_bssmap_le); } void proto_reg_handoff_gsm_bssmap_le(void) { dissector_add_uint("bssap_le.pdu_type", BSSAP_PDU_TYPE_BSSMAP, bssmap_le_handle); gsm_bsslap_handle = find_dissector_add_dependency("gsm_bsslap", proto_bssmap_le); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */