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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-gsm_bssmap_le.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-gsm_bssmap_le.c')
-rw-r--r--epan/dissectors/packet-gsm_bssmap_le.c1332
1 files changed, 1332 insertions, 0 deletions
diff --git a/epan/dissectors/packet-gsm_bssmap_le.c b/epan/dissectors/packet-gsm_bssmap_le.c
new file mode 100644
index 00000000..1a11011e
--- /dev/null
+++ b/epan/dissectors/packet-gsm_bssmap_le.c
@@ -0,0 +1,1332 @@
+/* packet-gsm_bssmap_le.c
+ * Routines for GSM Lb Interface BSSMAP dissection
+ *
+ * Copyright 2008, Johnny Mitrevski <mitrevj@hotmail.com>
+ *
+ * 3GPP TS 49.031 version v7.4.0 (2009-09)
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+#include <epan/tap.h>
+#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 = -1;
+int hf_gsm_bssmap_le_elem_id = -1;
+
+/* 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 = -1;
+static int hf_gsm_bssmap_le_apdu_protocol_id = -1;
+static int hf_gsm_bssmap_le_spare = -1;
+static int hf_gsm_bssmap_le_ciphering_key_flag = -1;
+static int hf_gsm_bssmap_le_current_deciphering_key_value = -1;
+static int hf_gsm_bssmap_le_next_deciphering_key_value = -1;
+static int hf_gsm_bssmap_le_acq_ass = -1;
+static int hf_gsm_bssmap_le_ref_time = -1;
+static int hf_gsm_bssmap_le_ref_loc = -1;
+static int hf_gsm_bssmap_le_dgps_corr = -1;
+static int hf_gsm_bssmap_le_nav_mod = -1;
+static int hf_gsm_bssmap_le_iono_mod = -1;
+static int hf_gsm_bssmap_le_utc_mod = -1;
+static int hf_gsm_bssmap_le_almanac = -1;
+static int hf_gsm_bssmap_le_ephemeris_ext_chk = -1;
+static int hf_gsm_bssmap_le_ephemeris_ext = -1;
+static int hf_gsm_bssmap_le_real_time_int = -1;
+static int hf_gsm_bssmap_le_lcs_cause_value =-1;
+static int hf_gsm_bssmap_le_diagnostic_value = -1;
+static int hf_gsm_bssmap_le_client_category = -1;
+static int hf_gsm_bssmap_le_client_subtype = -1;
+static int hf_gsm_bssmap_le_velocity_requested = -1;
+static int hf_gsm_bssmap_le_vertical_coordinate_indicator = -1;
+static int hf_gsm_bssmap_le_horizontal_accuracy_indicator = -1;
+static int hf_gsm_bssmap_le_horizontal_accuracy = -1;
+static int hf_gsm_bssmap_le_vertical_accuracy_indicator = -1;
+static int hf_gsm_bssmap_le_vertical_accuracy = -1;
+static int hf_gsm_bssmap_le_response_time_category = -1;
+static int hf_gsm_bssmap_le_apdu = -1;
+static int hf_gsm_bssmap_le_message_elements = -1;
+static int hf_gsm_bssmap_le_location_inf = -1;
+static int hf_gsm_bssmap_le_pos_method = -1;
+static int hf_gsm_bssmap_le_pos_data_disc = -1;
+static int hf_gsm_bssmap_le_pos_data_pos_method = -1;
+static int hf_gsm_bssmap_le_pos_data_usage = -1;
+
+
+/* Initialize the subtree pointers */
+static gint ett_bssmap_le_msg = -1;
+
+static expert_field ei_gsm_a_bssmap_le_not_decoded_yet = EI_INIT;
+static expert_field ei_gsm_a_bssmap_le_extraneous_data = EI_INIT;
+static expert_field ei_gsm_a_bssmap_le_missing_mandatory_element = EI_INIT;
+
+static dissector_handle_t gsm_bsslap_handle = NULL;
+static dissector_handle_t bssmap_le_handle;
+
+static proto_tree *g_tree;
+
+#define NUM_GSM_BSSMAP_LE_ELEM (sizeof(gsm_bssmap_le_elem_strings)/sizeof(value_string))
+gint ett_gsm_bssmap_le_elem[NUM_GSM_BSSMAP_LE_ELEM];
+
+/*
+ * 10.3 APDU
+ */
+
+static guint16
+de_bmaple_apdu(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 curr_offset;
+ guint8 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_guint8(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 guint16
+de_bmaple_decihp_keys(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ gint 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 guint16
+de_bmaple_req_gps_ass_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 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 guint16
+de_bmaple_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 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 guint16
+de_bmaple_client(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 curr_offset;
+ guint8 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 guint16
+de_bmaple_lcs_qos(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint64 verticalCoordIndicator, velocityRequested, horizontalAccuracyIndicator, verticalAccuracyIndicator;
+ guint16 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 guint16
+de_bmaple_location_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 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 guint16
+de_bmaple_pos_dta(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
+{
+ guint32 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 guint16
+be_lcs_capability(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *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 guint16
+be_packet_meas_rep(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *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 guint16
+be_measured_cell_identity(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *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 (sizeof(gsm_bssmap_le_msg_strings)/sizeof(value_string))
+static gint 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;
+*/
+
+
+guint16 (*bssmap_le_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *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_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint 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_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint 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_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint 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_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint 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_, guint32 offset, guint 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 guint tap_current=0;
+ guint8 oct;
+ guint32 offset, saved_offset;
+ guint32 len;
+ gint idx;
+ proto_item *bssmap_le_item = NULL;
+ proto_tree *bssmap_le_tree = NULL;
+ const gchar *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_guint8(tvb, offset++);
+
+ str = try_val_to_str_idx((guint32) 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((guint32) 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)
+{
+ guint i;
+ guint 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
+ gint *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_gsm_bssmap_le_msg[i] = -1;
+ ett[last_offset] = &ett_gsm_bssmap_le_msg[i];
+ }
+
+ for (i=0; i < NUM_GSM_BSSMAP_LE_ELEM; i++, last_offset++)
+ {
+ ett_gsm_bssmap_le_elem[i] = -1;
+ 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:
+ */