forked from osmocom/wireshark
DECT-NWK: Begin LCE-PAGE-RESPONSE dissection
First steps in dissection of the LCE-PAGE-RESPONSE message. Basic dissection for S-FORMAT information elements being mandatory or optional in this message is included.
This commit is contained in:
Bernhard Dick
Alexis La Goutte
parent
1be5ec9433
commit
b7fc9a2788
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@ -4,6 +4,7 @@
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* NWK protocol layer as described in ETSI EN 300 175-5 V2.7.1 (2017-11)
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*
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* Copyright 2018 by Harald Welte <laforge@gnumonks.org>
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* Copyright 2022 by Bernhard Dick <bernhard@bdick.de>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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@ -14,6 +15,11 @@
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/packet_info.h>
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#include <epan/proto.h>
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#include <epan/tvbuff.h>
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#include <epan/value_string.h>
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#include <ftypes/ftypes.h>
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static int proto_dect_nwk = -1;
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@ -23,6 +29,38 @@ static gint hf_nwk_msg_type_lce = -1;
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static gint hf_nwk_msg_type_cc = -1;
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static gint hf_nwk_msg_type_mm = -1;
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static gint ett_dect_nwk_s_ie_element = -1;
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static gint hf_dect_nwk_s_ie_fl = -1;
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static gint hf_dect_nwk_s_ie_type = -1;
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static gint hf_dect_nwk_s_ie_length = -1;
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static gint hf_dect_nwk_s_ie_cipher_info_yn = -1;
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static gint hf_dect_nwk_s_ie_cipher_info_algorithm = -1;
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static gint hf_dect_nwk_s_ie_cipher_info_proprietary_algorithm = -1;
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static gint hf_dect_nwk_s_ie_cipher_info_key_type = -1;
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static gint hf_dect_nwk_s_ie_cipher_info_key_number = -1;
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static gint hf_dect_nwk_s_ie_fixed_identity_type = -1;
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static gint hf_dect_nwk_s_ie_fixed_identity_value_length = -1;
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static gint hf_dect_nwk_s_ie_fixed_identity_arc = -1;
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static gint hf_dect_nwk_s_ie_fixed_identity_ard = -1;
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static gint hf_dect_nwk_s_ie_fixed_identity_padding = -1;
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static gint hf_dect_nwk_s_ie_nwk_assigned_identity_type = -1;
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static gint hf_dect_nwk_s_ie_nwk_assigned_identity_value_length = -1;
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static gint hf_dect_nwk_s_ie_nwk_assigned_identity_value = -1;
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static gint hf_dect_nwk_s_ie_nwk_assigned_identity_padding = -1;
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static gint hf_dect_nwk_s_ie_portable_identity_type = -1;
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static gint hf_dect_nwk_s_ie_portable_identity_value_length = -1;
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static gint hf_dect_nwk_s_ie_portable_identity_put = -1;
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static gint hf_dect_nwk_s_ie_portable_identity_padding = -1;
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static gint hf_dect_ipui_o_number = -1;
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static gint hf_dect_nwk_s_ie_escape_to_proprietary_discriminator_type = -1;
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static gint hf_dect_nwk_s_ie_escape_to_proprietary_discriminator = -1;
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static gint ett_dect_nwk = -1;
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static dissector_handle_t dect_nwk_handle;
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@ -128,6 +166,164 @@ enum dect_nwk_lce_msg_type {
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DECT_NWK_LCE_PAGE_REJ = 0x72,
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};
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/* Section 7.6.1 */
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enum dect_nwk_s_fl_ie_type {
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DECT_NWK_S_IE_FL_RESERVERD = 0x0,
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DECT_NWK_S_IE_FL_SHIFT = 0x1,
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DECT_NWK_S_IE_FL_CONTROL = 0x2,
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DECT_NWK_S_IE_FL_REPEAT_INDICATOR = 0x5,
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DECT_NWK_S_IE_FL_DOUBLE_OCTET_ELEMENT = 0x6,
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};
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enum dect_nwk_s_fl_ie_control_type {
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DECT_NWK_S_IE_FL_CONTROL_SENDING_COMPLETE = 0x1,
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DECT_NWK_S_IE_FL_CONTROL_DELIMITER_REQUEST = 0x2,
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DECT_NWK_S_IE_FL_CONTROL_USE_TPUI = 0x3
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};
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enum dect_nwk_s_fl_ie_double_octet_type {
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DECT_NWK_S_IE_DOUBLE_OCTET_BASIC_SERVICE = 0x0,
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DECT_NWK_S_IE_DOUBLE_OCTET_RELEASE_REASON = 0x2,
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DECT_NWK_S_IE_DOUBLE_OCTET_SIGNAL = 0x4,
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DECT_NWK_S_IE_DOUBLE_OCTET_TIMER_RESTART = 0x5,
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DECT_NWK_S_IE_DOUBLE_OCTET_TEST_HOOK_CONTROL = 0x6,
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DECT_NWK_S_IE_DOUBLE_OCTET_SINGLE_DISPLAY = 0x8,
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DECT_NWK_S_IE_DOUBLE_OCTET_SINGLE_KEYPAD = 0x9,
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DECT_NWK_S_IE_DOUBLE_OCTET_RESERVED = 0xF,
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};
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/* Section 7.7.1 */
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enum dect_nkw_s_ie_type {
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DECT_NWK_S_IE_INFO_TYPE = 0x01,
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DECT_NWK_S_IE_IDENTITY_TYPE = 0x02,
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DECT_NWK_S_IE_PORTABLE_IDENTITY = 0x05,
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DECT_NWK_S_IE_FIXED_IDENTITY = 0x06,
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DECT_NWK_S_IE_LOCATION_AREA = 0x07,
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DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY = 0x09,
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DECT_NWK_S_IE_AUTH_TYPE = 0x0A,
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DECT_NWK_S_IE_ALLOCATION_TYPE = 0x0B,
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DECT_NWK_S_IE_RAND = 0x0C,
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DECT_NWK_S_IE_RES = 0x0D,
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DECT_NWK_S_IE_RS = 0x0E,
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DECT_NWK_S_IE_IWU_ATTRIBUTES = 0x12,
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DECT_NWK_S_IE_CALL_ATTRIBUES = 0x13,
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DECT_NWK_S_IE_SERVICE_CHANGE_INFO = 0x16,
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DECT_NWK_S_IE_CONNECTION_ATTRIBUTES = 0x17,
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DECT_NWK_S_IE_CIPHER_INFO = 0x19,
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DECT_NWK_S_IE_CALL_IDENTITY = 0x1A,
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DECT_NWK_S_IE_CONNECTION_IDENTITY = 0x1B,
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DECT_NWK_S_IE_FACILITY = 0x1C,
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DECT_NWK_S_IE_PROGRESS_INDICATOR = 0x1E,
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DECT_NWK_S_IE_MMS_GENERIC_HEADER = 0x20,
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DECT_NWK_S_IE_MMS_OBJECT_HEADER = 0x21,
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DECT_NWK_S_IE_MMS_EXTENDED_HEADER = 0x22,
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DECT_NWK_S_IE_TIME_DATE = 0x23,
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DECT_NWK_S_IE_MULTI_DISPLAY = 0x28,
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DECT_NWK_S_IE_MULTI_KEYPAD = 0x2A,
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DECT_NWK_S_IE_FEATURE_ACTIVATE = 0x38,
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DECT_NWK_S_IE_FEATURE_INDICATE = 0x39,
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DECT_NWK_S_IE_NETWORK_PARAMETER = 0x41,
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DECT_NWK_S_IE_EXT_HO_INDICATOR = 0x42,
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DECT_NWK_S_IE_ZAP_FIELD = 0x52,
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DECT_NWK_S_IE_SERVICE_CLASS = 0x54,
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DECT_NWK_S_IE_KEY = 0x56,
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DECT_NWK_S_IE_REJECT_REASON = 0x60,
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DECT_NWK_S_IE_SETUP_CAPABILITY = 0x62,
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DECT_NWK_S_IE_TERMINAL_CAPABILITY = 0x63,
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DECT_NWK_S_IE_END_TO_END_COMPATIBILITY = 0x64,
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DECT_NWK_S_IE_RATE_PARAMETERS = 0x65,
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DECT_NWK_S_IE_TRANSIT_DELAY = 0x66,
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DECT_NWK_S_IE_WINDOW_SIZE = 0x67,
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DECT_NWK_S_IE_ULE_MAC_CONFIGURATION_INFO = 0x68,
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DECT_NWK_S_IE_CALLING_PARTY_NUMBER = 0x6C,
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DECT_NWK_S_IE_CALLING_PARTY_NAME = 0x6D,
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DECT_NWK_S_IE_CALLED_PARTY_NUMBER = 0x70,
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DECT_NWK_S_IE_CALLED_PARTY_SUBADDR = 0x71,
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DECT_NWK_S_IE_DURATION = 0x72,
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DECT_NWK_S_IE_CALLED_PARTY_NAME = 0x73,
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DECT_NWK_S_IE_LIST_CHANGE_DETAILS = 0x74,
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DECT_NWK_S_IE_SEGMENTED_INFO = 0x75,
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DECT_NWK_S_IE_ALPHANUMERIC = 0x76,
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DECT_NWK_S_IE_IWU_TO_IWU = 0x77,
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DECT_NWK_S_IE_MODEL_IDENTIFIER = 0x78,
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DECT_NWK_S_IE_IWU_PACKET = 0x7A,
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DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY = 0x7B,
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DECT_NWK_S_IE_CODEC_LIST = 0x7C,
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DECT_NWK_S_IE_EVENTS_NOTIFICATION = 0x7D,
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DECT_NWK_S_IE_CALL_INFORMATION = 0x7E,
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DECT_NWK_S_IE_ESCAPE_FOR_EXTENSION = 0x7F,
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};
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/* Section 7.7.10 */
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enum dect_nwk_s_ie_cipher_info_algorithm {
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_DSC = 0x01,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_DSC2 = 0x02,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_NO = 0x28,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA1 = 0x29,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA2 = 0x2A,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA3 = 0x2B,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA4 = 0x2C,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA5 = 0x2D,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA6 = 0x2E,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA7 = 0x2F,
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DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_PROPRIETARY = 0xFF,
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};
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enum dect_nwk_s_ie_cipher_info_key_type {
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DECT_NWK_S_IE_CIPHER_INFO_KEY_TYPE_DERIVED = 0x9,
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DECT_NWK_S_IE_CIPHER_INFO_KEY_TYPE_STATIC = 0xA,
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};
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/* Section 7.7.18 */
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enum dect_nwk_s_ie_fixed_identity_type {
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DECT_NWK_S_IE_FIXED_IDENTITY_ARI = 0x00,
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DECT_NWK_S_IE_FIXED_IDENTITY_ARI_PLUS_RPN = 0x01,
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DECT_NWK_S_IE_FIXED_IDENTITY_ARI_PLUS_RPN_WRS = 0x02,
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DECT_NWK_S_IE_FIXED_IDENTITY_PARK = 0x20,
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};
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enum dect_nwk_arc_type {
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DECT_NWK_ARC_TYPE_A = 0x0,
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DECT_NWK_ARC_TYPE_B = 0x1,
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DECT_NWK_ARC_TYPE_C = 0x2,
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DECT_NWK_ARC_TYPE_D = 0x3,
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DECT_NWK_ARC_TYPE_E = 0x4,
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DECT_NWK_ARC_TYPE_F = 0x5,
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DECT_NWK_ARC_TYPE_G = 0x6,
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DECT_NWK_ARC_TYPE_H = 0x7,
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};
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/* Section 7.7.28 */
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enum dect_nwk_s_ie_nwk_assigned_identity_type {
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DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY_TMSI = 0xE4,
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DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY_PROPRIETARY = 0xFF,
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};
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/* Section 7.7.30 */
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enum dect_nwk_s_ie_portable_identity_type {
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DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI = 0x00,
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DECT_NWK_S_IE_PORTABLE_IDENTITY_IPEI = 0x10,
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DECT_NWK_S_IE_PORTABLE_IDENTITY_TPUI = 0x20,
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};
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enum dect_nwk_ipui_type {
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DECT_NWK_IPUI_TYPE_N = 0x0,
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DECT_NWK_IPUI_TYPE_O = 0x1,
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DECT_NWK_IPUI_TYPE_P = 0x2,
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DECT_NWK_IPUI_TYPE_Q = 0x3,
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DECT_NWK_IPUI_TYPE_R = 0x4,
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DECT_NWK_IPUI_TYPE_S = 0x5,
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DECT_NWK_IPUI_TYPE_T = 0x6,
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DECT_NWK_IPUI_TYPE_U = 0x7,
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};
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/* Section 7.7.45 */
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enum dect_nwk_s_ie_escape_to_proprietary_discriminator_type {
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DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_UNSPECIFIED = 0x00,
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DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_EMC = 0x01,
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};
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/*********************************************************************************
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* DECT VALUE STRINGS
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*********************************************************************************/
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@ -177,20 +373,346 @@ static const value_string nwk_lce_msgt_vals[] = {
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{ 0, NULL }
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};
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/* Section 7.7.1 */
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static const value_string dect_nwk_s_ie_type_val[] = {
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{ DECT_NWK_S_IE_INFO_TYPE, "INFO-TYPE" },
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{ DECT_NWK_S_IE_IDENTITY_TYPE, "IDENTITY-TYPE" },
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{ DECT_NWK_S_IE_PORTABLE_IDENTITY, "PORTABLE-IDENTITY" },
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{ DECT_NWK_S_IE_FIXED_IDENTITY, "FIXED-IDENTITY" },
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{ DECT_NWK_S_IE_LOCATION_AREA, "LOCATION-AREA" },
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{ DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY, "NWK-ASSIGNED-IDENTITY" },
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{ DECT_NWK_S_IE_AUTH_TYPE, "AUTH-TYPE" },
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{ DECT_NWK_S_IE_ALLOCATION_TYPE, "ALLOCATION-TYPE" },
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{ DECT_NWK_S_IE_RAND, "RAND" },
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{ DECT_NWK_S_IE_RES, "RES" },
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{ DECT_NWK_S_IE_RS, "RS" },
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{ DECT_NWK_S_IE_IWU_ATTRIBUTES, "IWU-ATTRIBUTES" },
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{ DECT_NWK_S_IE_CALL_ATTRIBUES, "CALL-ATTRIBUTES" },
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{ DECT_NWK_S_IE_SERVICE_CHANGE_INFO, "SERVICE-CHANGE-INFO" },
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{ DECT_NWK_S_IE_CONNECTION_ATTRIBUTES, "CONNECTION-ATTRIBUTES" },
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{ DECT_NWK_S_IE_CIPHER_INFO, "CIPHER-INFO" },
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{ DECT_NWK_S_IE_CALL_IDENTITY, "CALL-IDENTITY" },
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{ DECT_NWK_S_IE_CONNECTION_IDENTITY, "CONNECTION-IDENTITY" },
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{ DECT_NWK_S_IE_FACILITY, "FACILITY" },
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{ DECT_NWK_S_IE_PROGRESS_INDICATOR, "PROGRESS-INDICATOR" },
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{ DECT_NWK_S_IE_MMS_GENERIC_HEADER, "MMS-GENERIC-HEADER" },
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{ DECT_NWK_S_IE_MMS_OBJECT_HEADER, "MMS-OBJECT-HEADER" },
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{ DECT_NWK_S_IE_MMS_EXTENDED_HEADER, "MMS-EXTENDED-HEADER" },
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{ DECT_NWK_S_IE_TIME_DATE, "TIME-DATE" },
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{ DECT_NWK_S_IE_MULTI_DISPLAY, "MULTI-DISPLAY" },
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{ DECT_NWK_S_IE_MULTI_KEYPAD, "MULTI-KEYPAD" },
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{ DECT_NWK_S_IE_FEATURE_ACTIVATE, "FEATURE-ACTIVATE" },
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{ DECT_NWK_S_IE_FEATURE_INDICATE, "FEATURE-INDICATE" },
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{ DECT_NWK_S_IE_NETWORK_PARAMETER, "NETWORK-PARAMETER" },
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{ DECT_NWK_S_IE_EXT_HO_INDICATOR, "EXT-HO-INDICATOR" },
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{ DECT_NWK_S_IE_ZAP_FIELD, "ZAP-FIELD" },
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{ DECT_NWK_S_IE_SERVICE_CLASS, "SERVICE-CLASS" },
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{ DECT_NWK_S_IE_KEY, "KEY" },
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{ DECT_NWK_S_IE_REJECT_REASON, "REJECT-REASON" },
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{ DECT_NWK_S_IE_SETUP_CAPABILITY, "SETUP-CAPABILITY" },
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{ DECT_NWK_S_IE_TERMINAL_CAPABILITY, "TERMINAL-CAPABILITY" },
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{ DECT_NWK_S_IE_END_TO_END_COMPATIBILITY, "END-TO-END-COMPATIBILITY" },
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{ DECT_NWK_S_IE_RATE_PARAMETERS, "RATE-PARAMETERS" },
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{ DECT_NWK_S_IE_TRANSIT_DELAY, "TRANSIT-DELAY" },
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{ DECT_NWK_S_IE_WINDOW_SIZE, "WINDOWS-SIZE" },
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{ DECT_NWK_S_IE_ULE_MAC_CONFIGURATION_INFO, "ULE-MAC-CONFIGURATION-INFO" },
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{ DECT_NWK_S_IE_CALLING_PARTY_NUMBER, "CALLING-PARTY-NUMBER" },
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{ DECT_NWK_S_IE_CALLING_PARTY_NAME, "CALLING-PARTY-NAME" },
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{ DECT_NWK_S_IE_CALLED_PARTY_NUMBER, "CALLED-PARTY-NUMBER" },
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{ DECT_NWK_S_IE_CALLED_PARTY_SUBADDR, "CALLED-PARTY-SUBADDR" },
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{ DECT_NWK_S_IE_DURATION, "DURATION" },
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{ DECT_NWK_S_IE_CALLED_PARTY_NAME, "CALLED-PARTY-NAME" },
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{ DECT_NWK_S_IE_LIST_CHANGE_DETAILS, "LIST-CHANGE-DETAILS" },
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{ DECT_NWK_S_IE_SEGMENTED_INFO, "SEGMENTED_INFO" },
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{ DECT_NWK_S_IE_ALPHANUMERIC, "ALPHANUMERIC" },
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{ DECT_NWK_S_IE_IWU_TO_IWU, "IWU-TO-IWU" },
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{ DECT_NWK_S_IE_MODEL_IDENTIFIER, "MODEL-IDENTIFIER" },
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{ DECT_NWK_S_IE_IWU_PACKET, "IWU-PACKET" },
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{ DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY, "ESCAPE-TO-PROPRIETARY" },
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{ DECT_NWK_S_IE_CODEC_LIST, "CODEC-LIST" },
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{ DECT_NWK_S_IE_EVENTS_NOTIFICATION, "EVENTS-NOTIFICATION" },
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{ DECT_NWK_S_IE_CALL_INFORMATION, "CALL-INFORMATION" },
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{ DECT_NWK_S_IE_ESCAPE_FOR_EXTENSION, "ESCAPE-FOR-EXTENSION" },
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};
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/* Section 7.7.10 */
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static const value_string dect_nwk_s_ie_cipher_info_algorithm_val[] = {
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_DSC, "DECT Standard Cipher algorithm #1 (DSC)" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_DSC2, "DECT Standard Cipher algorithm #2 (DSC2)" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_NO, "GPRS ciphering not used" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA1, "GPRS encryption algorithm GEA/1" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA2, "GPRS encryption algorithm GEA/2" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA3, "GPRS encryption algorithm GEA/3" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA4, "GPRS encryption algorithm GEA/4" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA5, "GPRS encryption algorithm GEA/5" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA6, "GPRS encryption algorithm GEA/6" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_GPRS_GEA7, "GPRS encryption algorithm GEA/7" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_PROPRIETARY, "Escape to proprietary algorithm identifier" },
|
||||
};
|
||||
|
||||
static const value_string dect_nwk_s_ie_cipher_info_key_type_val[] = {
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_KEY_TYPE_DERIVED, "Derived cipher key" },
|
||||
{ DECT_NWK_S_IE_CIPHER_INFO_KEY_TYPE_STATIC, "Static cipher key" },
|
||||
};
|
||||
|
||||
/* Section 7.7.18 */
|
||||
static const value_string dect_nwk_s_ie_fixed_identity_type_val[] = {
|
||||
{ DECT_NWK_S_IE_FIXED_IDENTITY_ARI, "Access rights identity (ARI)" },
|
||||
{ DECT_NWK_S_IE_FIXED_IDENTITY_ARI_PLUS_RPN, "Access rights identity plus radio fixed part number (ARI + RPN)" },
|
||||
{ DECT_NWK_S_IE_FIXED_IDENTITY_ARI_PLUS_RPN_WRS, "Access rights identity plus radio fixed part number for WRS (ARI + RPN for WRS)" },
|
||||
{ DECT_NWK_S_IE_FIXED_IDENTITY_PARK, "Portable access rights key (PARK)" },
|
||||
};
|
||||
|
||||
static const value_string dect_nwk_arc_type_val[] = {
|
||||
{ DECT_NWK_ARC_TYPE_A, "A (small residential 1..7 RFPs" },
|
||||
{ DECT_NWK_ARC_TYPE_B, "B (LAN and multi-cell)" },
|
||||
{ DECT_NWK_ARC_TYPE_C, "C (public access)" },
|
||||
{ DECT_NWK_ARC_TYPE_D, "D (public with GSM/UMTS)" },
|
||||
{ DECT_NWK_ARC_TYPE_E, "E (PP-to-PP)"},
|
||||
};
|
||||
|
||||
/* Section 7.7.28 */
|
||||
static const value_string dect_nwk_s_ie_nwk_assigned_identity_type_val[] = {
|
||||
{ DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY_TMSI, "Temporary Mobile Subscriber Identity (TMSI, P-TMSI)" },
|
||||
{ DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY_PROPRIETARY, "Proprietary (application specific)" },
|
||||
};
|
||||
|
||||
/* Section 7.7.30 */
|
||||
static const value_string dect_nwk_s_ie_portable_identity_type_val[] = {
|
||||
{ DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI, "International Portable User Identity (IPUI)" },
|
||||
{ DECT_NWK_S_IE_PORTABLE_IDENTITY_IPEI, "International Portable Equipment Identity (IPEI)" },
|
||||
{ DECT_NWK_S_IE_PORTABLE_IDENTITY_TPUI, "Temporary Portable User Identity (TPUI)" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
/* Section 6.2 in ETSI EN 300 175-6 */
|
||||
static const value_string dect_nwk_ipui_type_val[] = {
|
||||
{ DECT_NWK_IPUI_TYPE_N, "N (residential/default)" },
|
||||
{ DECT_NWK_IPUI_TYPE_O, "O (private)" },
|
||||
{ DECT_NWK_IPUI_TYPE_P, "P (public/public access service)" },
|
||||
{ DECT_NWK_IPUI_TYPE_Q, "Q (public/general)" },
|
||||
{ DECT_NWK_IPUI_TYPE_R, "R (public/IMSI)" },
|
||||
{ DECT_NWK_IPUI_TYPE_S, "S (PSTN/ISDN)" },
|
||||
{ DECT_NWK_IPUI_TYPE_T, "T (private extended)" },
|
||||
{ DECT_NWK_IPUI_TYPE_U, "U (public/general)" }
|
||||
};
|
||||
|
||||
/* Section 7.7.45 */
|
||||
static const value_string dect_nwk_s_ie_escape_to_proprietary_discriminator_type_val[] = {
|
||||
{ DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_UNSPECIFIED, "Unspecified" },
|
||||
{ DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_EMC, "EMC" },
|
||||
};
|
||||
|
||||
/* TOOD: value_string for other protocols */
|
||||
|
||||
#define DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_MASK 0x7F
|
||||
|
||||
#define DECT_NWK_S_IE_FIXED_LENGTH_MASK 0x80
|
||||
#define DECT_NWK_S_IE_FIXED_LENGTH_SHIFT 7
|
||||
|
||||
#define DECT_NWK_S_IE_FL_TYPE_MASK 0x70
|
||||
#define DECT_NWK_S_IE_FL_TYPE_SHIFT 4
|
||||
|
||||
#define DECT_NWK_S_IE_PORTABLE_IDENTITY_TYPE_MASK 0x7F
|
||||
#define DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI_TYPE_MASK 0xF0
|
||||
#define DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI_TYPE_SHIFT 4
|
||||
|
||||
#define DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_MASK 0x7F
|
||||
|
||||
/*********************************************************************************
|
||||
* DECT dissector code
|
||||
*********************************************************************************/
|
||||
|
||||
static int dissect_dect_nwk_s_ie_cipher_info(tvbuff_t *tvb, guint offset, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
guint8 algorithm;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_cipher_info_yn, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_cipher_info_algorithm, tvb, offset, 1, ENC_NA);
|
||||
algorithm = tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_MASK;
|
||||
offset++;
|
||||
if (algorithm == DECT_NWK_S_IE_CIPHER_INFO_ALGORITHM_PROPRIETARY) {
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_cipher_info_proprietary_algorithm, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
}
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_cipher_info_key_type, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_cipher_info_key_number, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
return offset;
|
||||
}
|
||||
|
||||
static int dissect_dect_nwk_s_ie_fixed_identity(tvbuff_t *tvb, guint offset, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
guint8 value_length;
|
||||
guint bit_offset, no_of_bits;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_fixed_identity_type, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_fixed_identity_value_length, tvb, offset, 1, ENC_NA);
|
||||
value_length = tvb_get_guint8(tvb, offset) & 0x7F;
|
||||
offset++;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_fixed_identity_arc, tvb, offset, 1, ENC_NA);
|
||||
bit_offset = ( offset * 8 ) + 4;
|
||||
no_of_bits = value_length - 4;
|
||||
proto_tree_add_bits_item(tree, hf_dect_nwk_s_ie_fixed_identity_ard, tvb, bit_offset, no_of_bits, ENC_NA);
|
||||
bit_offset += no_of_bits;
|
||||
offset += value_length / 8;
|
||||
if (value_length % 8) {
|
||||
no_of_bits = 8 - (value_length % 8);
|
||||
proto_tree_add_bits_item(tree, hf_dect_nwk_s_ie_fixed_identity_padding, tvb, bit_offset, no_of_bits, ENC_NA);
|
||||
offset++;
|
||||
}
|
||||
return offset;
|
||||
}
|
||||
|
||||
static int dissect_dect_nwk_s_ie_nwk_assigned_identity(tvbuff_t *tvb, guint offset, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
guint8 value_length;
|
||||
guint bit_offset, no_of_bits;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_nwk_assigned_identity_type, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_nwk_assigned_identity_value_length, tvb, offset, 1, ENC_NA);
|
||||
value_length = tvb_get_guint8(tvb, offset) & 0x7F;
|
||||
offset++;
|
||||
bit_offset = offset * 8;
|
||||
proto_tree_add_bits_item(tree, hf_dect_nwk_s_ie_nwk_assigned_identity_value, tvb, bit_offset, value_length, ENC_NA);
|
||||
bit_offset += value_length;
|
||||
offset += value_length / 8;
|
||||
if (value_length % 8) {
|
||||
no_of_bits = 8 - (value_length % 8);
|
||||
proto_tree_add_bits_item(tree, hf_dect_nwk_s_ie_nwk_assigned_identity_padding, tvb, bit_offset, no_of_bits, ENC_NA);
|
||||
offset++;
|
||||
}
|
||||
return offset;
|
||||
}
|
||||
|
||||
static int dissect_dect_nwk_s_ie_portable_identity(tvbuff_t *tvb, guint offset, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
guint8 value_length, identity_type, ipui_type;
|
||||
guint bit_offset, no_of_bits;
|
||||
identity_type = tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_PORTABLE_IDENTITY_TYPE_MASK;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_portable_identity_type, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_portable_identity_value_length, tvb, offset, 1, ENC_NA);
|
||||
value_length = tvb_get_guint8(tvb, offset) & 0x7F;
|
||||
offset++;
|
||||
bit_offset = ( offset * 8 ) + 4;
|
||||
switch(identity_type) {
|
||||
case DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI:
|
||||
ipui_type = ( tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI_TYPE_MASK ) >> DECT_NWK_S_IE_PORTABLE_IDENTITY_IPUI_TYPE_SHIFT;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_portable_identity_put, tvb, offset, 1, ENC_NA);
|
||||
no_of_bits = value_length - 4;
|
||||
switch(ipui_type) {
|
||||
case DECT_NWK_IPUI_TYPE_N:
|
||||
/* FIXME implement this*/
|
||||
break;
|
||||
case DECT_NWK_IPUI_TYPE_O:
|
||||
proto_tree_add_bits_item(tree, hf_dect_ipui_o_number, tvb, bit_offset, no_of_bits, ENC_NA);
|
||||
break;
|
||||
case DECT_NWK_IPUI_TYPE_P:
|
||||
/* FIXME IPUI Type P */
|
||||
case DECT_NWK_IPUI_TYPE_Q:
|
||||
/* FIXME IPUI Type Q */
|
||||
case DECT_NWK_IPUI_TYPE_R:
|
||||
/* FIXME IPUI Type R */
|
||||
case DECT_NWK_IPUI_TYPE_S:
|
||||
/* FIXME IPUI Type S */
|
||||
case DECT_NWK_IPUI_TYPE_T:
|
||||
/* FIXME IPUI Type T */
|
||||
case DECT_NWK_IPUI_TYPE_U:
|
||||
/* FIXME IPUI Type U */
|
||||
break;
|
||||
}
|
||||
|
||||
bit_offset += no_of_bits;
|
||||
offset += value_length / 8;
|
||||
if (value_length % 8) {
|
||||
no_of_bits = 8 - (value_length % 8);
|
||||
proto_tree_add_bits_item(tree, hf_dect_nwk_s_ie_fixed_identity_padding, tvb, bit_offset, no_of_bits, ENC_NA);
|
||||
offset++;
|
||||
}
|
||||
break;
|
||||
case DECT_NWK_S_IE_PORTABLE_IDENTITY_IPEI:
|
||||
no_of_bits = value_length - 4;
|
||||
offset += 5;
|
||||
/* FIXME IPEI decoding */
|
||||
break;
|
||||
case DECT_NWK_S_IE_PORTABLE_IDENTITY_TPUI:
|
||||
no_of_bits = value_length;
|
||||
offset += 3;
|
||||
/* FIXME TPUI decoding */
|
||||
break;
|
||||
}
|
||||
return offset;
|
||||
}
|
||||
|
||||
static int dissect_dect_nwk_s_ie_escape_to_proprietary(tvbuff_t *tvb, guint offset, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
guint8 discriminator_type;
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_escape_to_proprietary_discriminator_type, tvb, offset, 1, ENC_NA);
|
||||
discriminator_type = tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_MASK;
|
||||
offset++;
|
||||
if (discriminator_type == DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY_DISCRIMINATOR_TYPE_EMC) {
|
||||
proto_tree_add_item(tree, hf_dect_nwk_s_ie_escape_to_proprietary_discriminator, tvb, offset, 2, ENC_NA);
|
||||
offset+=2;
|
||||
}
|
||||
/* FIXME: Content Handling */
|
||||
return offset;
|
||||
}
|
||||
|
||||
static int dissect_dect_nwk_lce(tvbuff_t *tvb, guint8 msg_type, guint offset, packet_info *pinfo, proto_tree *tree, void _U_ *data)
|
||||
{
|
||||
gboolean fixed_length;
|
||||
guint8 element_type, element_length, fl_ie_type;
|
||||
proto_tree *field_tree;
|
||||
proto_tree *field_tree_item;
|
||||
|
||||
proto_tree_add_item(tree, hf_nwk_msg_type_lce, tvb, offset, 1, ENC_NA);
|
||||
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",
|
||||
val_to_str(msg_type, nwk_lce_msgt_vals, "Unknown 0x%02x"));
|
||||
offset++;
|
||||
|
||||
while(tvb_reported_length_remaining(tvb, offset)) {
|
||||
fixed_length = (tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_FIXED_LENGTH_MASK) >> DECT_NWK_S_IE_FIXED_LENGTH_SHIFT;
|
||||
if(fixed_length) {
|
||||
/* FIXME: Fixed Lenght IE dissection */
|
||||
fl_ie_type = ( tvb_get_guint8(tvb, offset) & DECT_NWK_S_IE_FL_TYPE_MASK ) >> DECT_NWK_S_IE_FL_TYPE_SHIFT;
|
||||
offset++;
|
||||
if ( fl_ie_type == DECT_NWK_S_IE_FL_DOUBLE_OCTET_ELEMENT ) {
|
||||
offset++;
|
||||
}
|
||||
} else {
|
||||
element_type = ( tvb_get_guint8(tvb, offset) & 0x7F);
|
||||
element_length = tvb_get_guint8(tvb, offset + 1);
|
||||
field_tree = proto_tree_add_subtree(tree, tvb, offset, element_length + 2, ett_dect_nwk_s_ie_element, &field_tree_item, "Element: ");
|
||||
proto_item_append_text(field_tree_item, "%s", val_to_str(element_type, dect_nwk_s_ie_type_val, "Unkown: 0x%0x"));
|
||||
proto_tree_add_item(field_tree, hf_dect_nwk_s_ie_fl, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(field_tree, hf_dect_nwk_s_ie_type, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
proto_tree_add_item(field_tree, hf_dect_nwk_s_ie_length, tvb, offset, 1, ENC_NA);
|
||||
offset++;
|
||||
switch (element_type) {
|
||||
case DECT_NWK_S_IE_CIPHER_INFO:
|
||||
offset = dissect_dect_nwk_s_ie_cipher_info(tvb, offset, field_tree, data);
|
||||
break;
|
||||
case DECT_NWK_S_IE_FIXED_IDENTITY:
|
||||
offset = dissect_dect_nwk_s_ie_fixed_identity(tvb, offset, field_tree, data);
|
||||
break;
|
||||
case DECT_NWK_S_IE_NWK_ASSIGNED_IDENTITY:
|
||||
offset = dissect_dect_nwk_s_ie_nwk_assigned_identity(tvb, offset, field_tree, data);
|
||||
break;
|
||||
case DECT_NWK_S_IE_PORTABLE_IDENTITY:
|
||||
offset = dissect_dect_nwk_s_ie_portable_identity(tvb, offset, field_tree, data);
|
||||
break;
|
||||
case DECT_NWK_S_IE_ESCAPE_TO_PROPRIETARY:
|
||||
dissect_dect_nwk_s_ie_escape_to_proprietary(tvb, offset, field_tree, data);
|
||||
offset += element_length;
|
||||
break;
|
||||
default:
|
||||
offset += element_length;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* TOOD: dissection of TLVs/IEs */
|
||||
|
||||
return offset;
|
||||
|
|
@ -300,10 +822,129 @@ void proto_register_dect_nwk(void)
|
|||
},
|
||||
|
||||
|
||||
/* S Type common */
|
||||
{ &hf_dect_nwk_s_ie_fl,
|
||||
{ "Fixed Length", "dect_nwk.s.fixed_length", FT_BOOLEAN, 8,
|
||||
NULL, 0x80, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_type,
|
||||
{ "Message Type", "dect_nwk.s.ie.type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_type_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_length,
|
||||
{ "Content Length", "dect_nwk.s.ie.length", FT_UINT8, BASE_DEC,
|
||||
NULL, 0xFF, "Length indicator", HFILL
|
||||
}
|
||||
},
|
||||
/* Cipher info */
|
||||
{ &hf_dect_nwk_s_ie_cipher_info_yn,
|
||||
{ "Y/N", "dect_nwk.s.ie.cipher_info.yn", FT_BOOLEAN, BASE_NONE, NULL, 0x80, NULL, HFILL}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_cipher_info_algorithm,
|
||||
{ "Algorithm", "dect_nwk.s.ie.cipher_info.algorithm", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_cipher_info_algorithm_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_cipher_info_proprietary_algorithm,
|
||||
{ "Proprietary algorithm", "dect_nwk.s.ie.cipher_info.proprietary_algorithm", FT_UINT8, BASE_HEX,
|
||||
NULL, 0x0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_cipher_info_key_type,
|
||||
{ "Key Type", "dect_nwk.s.ie.cipher_info.key_type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_cipher_info_key_type_val), 0xF0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_cipher_info_key_number,
|
||||
{ "Key Number", "dect_nwk.s.ie.cipher_info.key_number", FT_UINT8, BASE_HEX,
|
||||
NULL, 0x0F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
/* Fixed Identity */
|
||||
{ &hf_dect_nwk_s_ie_fixed_identity_type,
|
||||
{ "Type", "dect_nwk.s.ie.fixed_identity.type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_fixed_identity_type_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_fixed_identity_value_length,
|
||||
{ "Value Length", "dect_nwk.s.ie.fixed_identity.value_length", FT_UINT8, BASE_DEC,
|
||||
NULL, 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_fixed_identity_arc,
|
||||
{ "ARC", "dect_nwk.s.ie.fixed_identity.arc", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_arc_type_val), 0x70, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_fixed_identity_ard,
|
||||
{ "ARD", "dect_nwk.s.ie.fixed_identity.ard", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_fixed_identity_padding,
|
||||
{ "Padding", "dect_nwk.s.ie.fixed_identity.padding", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
/* NWK assigend Identity */
|
||||
{ &hf_dect_nwk_s_ie_nwk_assigned_identity_type,
|
||||
{ "Type", "dect_nwk.s.ie.nwk_assigned_identity.type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_nwk_assigned_identity_type_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_nwk_assigned_identity_value_length,
|
||||
{ "Value Length", "dect_nwk.s.ie.nwk_assigned_identity.value_length", FT_UINT8, BASE_DEC,
|
||||
NULL, 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_nwk_assigned_identity_value,
|
||||
{ "Value", "dect_nwk.s.ie.nwk_assigned_identity.value", FT_UINT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_nwk_assigned_identity_padding,
|
||||
{ "Padding", "dect_nwk.s.ie.nwk_assigned_identity.padding", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
/* Portable Identity */
|
||||
{ &hf_dect_nwk_s_ie_portable_identity_type,
|
||||
{ "Type", "dect_nwk.s.ie.portable_identity.type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_portable_identity_type_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_portable_identity_value_length,
|
||||
{ "Value Length", "dect_nwk.s.ie.portable_identity.value_length", FT_UINT8, BASE_DEC,
|
||||
NULL, 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_portable_identity_put,
|
||||
{ "PUT", "dect_nwk.s.ie.portable_identity.ipui.put", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_ipui_type_val), 0xF0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_ipui_o_number,
|
||||
{ "Number", "dect_nwk.s.ie.portable_identity.ipui.number", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_portable_identity_padding,
|
||||
{ "Padding", "dect_nwk.s.ie.portable_identity.padding", FT_NONE, BASE_NONE,
|
||||
NULL, 0x0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
/* Escape to proprietary */
|
||||
{ &hf_dect_nwk_s_ie_escape_to_proprietary_discriminator_type,
|
||||
{ "Discriminator type", "dect_nwk.s.ie.escape_to_proprietary.discriminator_type", FT_UINT8, BASE_HEX,
|
||||
VALS(dect_nwk_s_ie_escape_to_proprietary_discriminator_type_val), 0x7F, NULL, HFILL
|
||||
}
|
||||
},
|
||||
{ &hf_dect_nwk_s_ie_escape_to_proprietary_discriminator,
|
||||
{ "Discriminator", "dect_nwk.s.ie.escape_to_proprietary.discriminator", FT_UINT16, BASE_HEX,
|
||||
NULL, 0x0, NULL, HFILL
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_dect_nwk,
|
||||
&ett_dect_nwk_s_ie_element,
|
||||
};
|
||||
|
||||
/* Register protocol */
|
||||
|
|
|
|||
Loading…
Reference in New Issue