forked from osmocom/wireshark
From Johnny Mitrevski:
Add new Bssap dissectors for the Lb interface. svn path=/trunk/; revision=26814
This commit is contained in:
Anders Broman
parent
73c044fef8
commit
f42db62a55
4
AUTHORS
4
AUTHORS
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@ -2793,6 +2793,10 @@ Martin Lutz <MartinL [AT] copadata.at> {
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IEC 61850 GOOSE Dissector
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}
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Johnny Mitrevski <mitrevj [AT] hotmail.com> {
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BSSAP LE Dissector
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}
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and by:
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Pavel Roskin <proski [AT] gnu.org>
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@ -450,6 +450,7 @@ DISSECTOR_SRC = \
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packet-gsm_a_rp.c \
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packet-gsm_a_rr.c \
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packet-gsm_bsslap.c \
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packet-gsm_bssmap_le.c \
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packet-gsm_sms.c \
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packet-gsm_sms_ud.c \
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packet-gssapi.c \
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@ -3377,7 +3377,7 @@ be_vgcs_talker_mode(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _
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* 3.2.2.95 GANSS Assistance Data
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* The GANSS Assistance Data octets 3 to n are coded as the Requested GANSS Data element of 3GPP TS 49.031 (BSSAP-LE)
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*/
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static guint8
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guint8
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be_ganss_ass_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
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{
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guint32 curr_offset;
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@ -3391,7 +3391,7 @@ be_ganss_ass_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_,
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/*
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* 3.2.2.96 GANSS Positioning Data
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*/
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static guint8
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guint8
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be_ganss_pos_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
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{
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guint32 curr_offset;
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@ -3405,7 +3405,7 @@ be_ganss_pos_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_,
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/*
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* 3.2.2.97 GANSS Location Type
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*/
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static guint8
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guint8
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be_ganss_loc_type(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
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{
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guint32 curr_offset;
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@ -4394,7 +4394,7 @@ bssmap_clear_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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/*
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* [2] 3.2.1.23 RESET
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*/
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static void
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void
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bssmap_reset(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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{
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guint32 curr_offset;
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@ -5327,7 +5327,7 @@ bssmap_lsa_info(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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/*
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* [2] 3.2.1.70 (void)
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*/
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static void
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void
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bssmap_conn_oriented(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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{
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guint32 curr_offset;
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@ -5417,7 +5417,7 @@ bssmap_perf_loc_res(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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/*
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* 3.2.1.73 PERFORM LOCATION ABORT
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*/
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static void
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void
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bssmap_perf_loc_abort(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
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{
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guint32 curr_offset;
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@ -578,6 +578,9 @@ const char* get_gsm_a_msg_string(int pdu_type, int idx)
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case GSM_A_PDU_TYPE_BSSLAP:
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msg_string = gsm_bsslap_elem_strings[idx].strptr;
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break;
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case GSM_PDU_TYPE_BSSMAP_LE:
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msg_string = gsm_bssmap_le_elem_strings[idx].strptr;
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break;
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default:
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DISSECTOR_ASSERT_NOT_REACHED();
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}
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@ -611,6 +614,9 @@ static int get_hf_elem_id(int pdu_type)
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case GSM_A_PDU_TYPE_BSSLAP:
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hf_elem_id = hf_gsm_a_bsslap_elem_id;
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break;
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case GSM_PDU_TYPE_BSSMAP_LE:
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hf_elem_id = hf_gsm_bssmap_le_elem_id;
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break;
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default:
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DISSECTOR_ASSERT_NOT_REACHED();
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}
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@ -120,6 +120,11 @@ extern gint ett_gsm_bsslap_elem[];
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extern elem_fcn bsslap_elem_fcn[];
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extern int hf_gsm_a_bsslap_elem_id;
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extern const value_string gsm_bssmap_le_elem_strings[];
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extern gint ett_gsm_bssmap_le_elem[];
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extern elem_fcn bssmap_le_elem_fcn[];
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extern int hf_gsm_bssmap_le_elem_id;
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extern sccp_msg_info_t* sccp_msg;
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extern sccp_assoc_info_t* sccp_assoc;
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@ -152,6 +157,7 @@ extern int hf_gsm_a_rr_chnl_needed_ch1;
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#define GSM_A_PDU_TYPE_GM 5
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#define GSM_A_PDU_TYPE_BSSLAP 6
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#define GSM_A_PDU_TYPE_SACCH 7
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#define GSM_PDU_TYPE_BSSMAP_LE 8
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extern const char* get_gsm_a_msg_string(int pdu_type, int idx);
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@ -241,6 +247,11 @@ extern const char* get_gsm_a_msg_string(int pdu_type, int idx);
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SEV_elem_ett = ett_gsm_bsslap_elem; \
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SEV_elem_funcs = bsslap_elem_fcn; \
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break; \
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case GSM_PDU_TYPE_BSSMAP_LE: \
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SEV_elem_names = gsm_bssmap_le_elem_strings; \
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SEV_elem_ett = ett_gsm_bssmap_le_elem; \
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SEV_elem_funcs = bssmap_le_elem_fcn; \
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break; \
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default: \
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proto_tree_add_text(tree, \
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tvb, curr_offset, -1, \
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@ -457,6 +468,8 @@ typedef struct _gsm_a_tap_rec_t {
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void dissect_bssmap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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void dissect_bssmap_le(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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void dtap_mm_mm_info(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
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guint8 be_cell_id_aux(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len, guint8 disc);
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@ -468,6 +481,9 @@ guint8 de_mid(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar
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guint8 de_cell_id(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 de_bearer_cap(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 de_bearer_cap_uplink(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 be_ganss_loc_type(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 be_ganss_pos_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 be_ganss_ass_dta(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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guint8 de_ms_cm_1(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_);
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guint8 de_ms_cm_2(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len);
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@ -499,6 +515,10 @@ guint8 de_d_gb_call_ref(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint l
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void dtap_rr_ho_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
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void bssmap_perf_loc_abort(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
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void bssmap_reset(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
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void bssmap_conn_oriented(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
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/*
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* the following allows TAP code access to the messages
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* without having to duplicate it. With MSVC and a
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@ -666,6 +686,43 @@ typedef enum
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}
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bssmap_elem_idx_t;
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typedef enum
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{
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/* BSSMAP LE Elements */
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DE_BMAPLE_LCSQOS, /* LCS QOS */
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DE_BMAPLE_LCS_PRIO, /* LCS Priority */
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DE_BMAPLE_LOC_TYPE, /* Location Type */
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DE_BMAPLE_GANSS_LOC_TYPE, /* GANSS Location Type */
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DE_BMAPLE_GEO_LOC, /* Geographic Location */
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DE_BMAPLE_POS_DATA, /* Positioning Data */
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DE_BMAPLE_GANSS_POS_DATA, /* GANSS Positioning Data */
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DE_BMAPLE_VELOC_DATA, /* Velocity Data */
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DE_BMAPLE_LCS_CAUSE, /* LCS Cause */
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DE_BMAPLE_LCS_CLIENT_TYPE, /* LCS Client Type */
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DE_BMAPLE_APDU, /* APDU */
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DE_BMAPLE_NETWORK_ELEM_ID, /* Network Element Identity */
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DE_BMAPLE_REQ_GPS_ASSIST_D, /* Requested GPS Assistance Data */
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DE_BMAPLE_REQ_GNSS_ASSIST_D,/* Requested GANSS Assistance Data */
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DE_BMAPLE_DECIPH_KEYS, /* Deciphering Keys */
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DE_BMAPLE_RETURN_ERROR_REQ, /* Return Error Request */
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DE_BMAPLE_RETURN_ERROR_CAUSE, /* Return Error Cause */
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DE_BMAPLE_SEGMENTATION, /* Segmentation */
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DE_BMAPLE_CLASSMARK_TYPE_3, /* Classmark Information Type 3 */
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DE_BMAPLE_CAUSE, /* Cause */
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DE_BMAPLE_CELL_IDENTIFIER, /* Cell Identifier */
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DE_BMAPLE_CHOSEN_CHANNEL, /* Chosen Channel */
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DE_BMAPLE_IMSI, /* IMSI */
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DE_BMAPLE_RES1, /* Reserved */
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DE_BMAPLE_RES2, /* Reserved */
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DE_BMAPLE_RES3, /* Reserved */
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DE_BMAPLE_LCS_CAPABILITY, /* LCS Capability */
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DE_BMAPLE_PACKET_MEAS_REP, /* Packet Measurement Report */
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DE_BMAPLE_MEAS_CELL_ID, /* Measured Cell Identity */
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DE_BMAPLE_IMEI, /* IMEI */
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BMAPLE_NONE /* NONE */
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}
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bssmap_le_elem_idx_t;
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typedef enum
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{
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/* BSS LAP Elements 5 */
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@ -0,0 +1,678 @@
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/* packet-gsm_bssmap_le.c
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* Routines for GSM Lb Interface BSSMAP dissection
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*
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* Copyright 2008, Johnny Mitrevski <mitrevj@hotmail.com>
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*
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* 3GPP TS 49.031 version v7.4.0 (2009-09)
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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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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include <epan/tap.h>
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#include <epan/emem.h>
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#include "packet-bssap.h"
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#include "packet-sccp.h"
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#include "packet-gsm_a_common.h"
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#include "packet-e212.h"
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/* PROTOTYPES/FORWARDS */
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/* Message Type definitions */
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#define BSSMAP_LE_PERFORM_LOCATION_REQUEST 43
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#define BSSMAP_LE_PERFORM_LOCATION_RESPONSE 45
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#define BSSMAP_LE_PERFORM_LOCATION_ABORT 46
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#define BSSMAP_LE_PERFORM_LOCATION_INFORMATION 47
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#define BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION 42
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#define BSSMAP_LE_CONNECTIONLESS_INFORMATION 58
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#define BSSMAP_LE_RESET 48
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#define BSSMAP_LE_RESET_ACKNOWLEDGE 49
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const value_string gsm_bssmap_le_msg_strings[] = {
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{ 0, "Reserved" },
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{ 1, "Reserved" },
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{ 2, "Reserved" },
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{ 3, "Reserved" },
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{ 4, "Reserved" },
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{ BSSMAP_LE_PERFORM_LOCATION_REQUEST, "Perform Location Request" },
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{ BSSMAP_LE_PERFORM_LOCATION_RESPONSE, "Perform Location Response" },
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{ BSSMAP_LE_PERFORM_LOCATION_ABORT, "Perform Location Abort" },
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{ BSSMAP_LE_PERFORM_LOCATION_INFORMATION, "Perform Location Information" },
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{ BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION, "Connection Oriented Information" },
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{ BSSMAP_LE_CONNECTIONLESS_INFORMATION, "Connectionless Information" },
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{ BSSMAP_LE_RESET, "Reset" },
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{ BSSMAP_LE_RESET_ACKNOWLEDGE, "Reset Acknowledge" },
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{ 0, NULL } /*Null terminated list. Make sure we add this to our value/string structures. */
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};
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/* Information Element definitions */
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#define BSSMAP_LE_LCS_QOS 62
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#define BSSMAP_LE_LCS_PRIORITY 67
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#define BSSMAP_LE_LOCATION_TYPE 68
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#define BSSMAP_LE_GANSS_LOCATION_TYPE 130
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#define BSSMAP_LE_GEOGRAPHIC_LOCATION 69
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#define BSSMAP_LE_POSITIONING_DATA 70
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#define BSSMAP_LE_GANSS_POSITIONING_DATA 131
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#define BSSMAP_LE_VELOCITY_DATA 85
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#define BSSMAP_LE_LCS_CAUSE 71
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#define BSSMAP_LE_LCS_CLIENT_TYPE 72
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#define BSSMAP_LE_APDU 73
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#define BSSMAP_LE_NETWORK_ELEMENT_IDENTITY 74
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#define BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA 75
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#define BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA 65
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#define BSSMAP_LE_DECIPHERING_KEYS 76
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#define BSSMAP_LE_RETURN_ERROR_REQUEST 77
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#define BSSMAP_LE_RETURN_ERROR_CAUSE 78
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#define BSSMAP_LE_SEGMENTATION 79
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#define BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3 19
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#define BSSMAP_LE_CAUSE 4
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#define BSSMAP_LE_CELL_IDENTIFIER 5
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#define BSSMAP_LE_CHOSEN_CHANNEL 33
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#define BSSMAP_LE_IMSI 0
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#define BSSMAP_LE_RESERVED_NOTE1 1
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#define BSSMAP_LE_RESERVED_NOTE2 2
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#define BSSMAP_LE_RESERVED_NOTE3 3
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#define BSSMAP_LE_LCS_CAPABILITY 80
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#define BSSMAP_LE_PACKET_MEASUREMENT_REPORT 81
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#define BSSMAP_LE_CELL_IDENTITY_LIST 82
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#define BSSMAP_LE_IMEI 128
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const value_string gsm_bssmap_le_elem_strings[] = {
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{ BSSMAP_LE_LCS_QOS, "LCS QoS" },
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{ BSSMAP_LE_LCS_PRIORITY, "LCS Priority" },
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{ BSSMAP_LE_LOCATION_TYPE, "Location Type" },
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{ BSSMAP_LE_GANSS_LOCATION_TYPE, "GANSS Location Type" },
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{ BSSMAP_LE_GEOGRAPHIC_LOCATION, "Geographic Location" },
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{ BSSMAP_LE_POSITIONING_DATA, "Positioning Data" },
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{ BSSMAP_LE_GANSS_POSITIONING_DATA, "GANSS Positioning Data" },
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{ BSSMAP_LE_VELOCITY_DATA, "Velocity Data" },
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{ BSSMAP_LE_LCS_CAUSE, "LCS Cause" },
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{ BSSMAP_LE_LCS_CLIENT_TYPE, "LCS Client Type" },
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{ BSSMAP_LE_APDU, "APDU" },
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{ BSSMAP_LE_NETWORK_ELEMENT_IDENTITY, "Network Element Identity" },
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{ BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA, "Requested GPS Assitance Data" },
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{ BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA, "Requested GANSS Assistance Data" },
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{ BSSMAP_LE_DECIPHERING_KEYS, "Deciphering Keys" },
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{ BSSMAP_LE_RETURN_ERROR_REQUEST, "Return Error Request" },
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{ BSSMAP_LE_RETURN_ERROR_CAUSE, "Return Error Cause" },
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{ BSSMAP_LE_SEGMENTATION, "Segmentation" },
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{ BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3, "Classmark Information Type 3" },
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{ BSSMAP_LE_CAUSE, "Cause" },
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{ BSSMAP_LE_CELL_IDENTIFIER, "Cell Identifier" },
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{ BSSMAP_LE_CHOSEN_CHANNEL, "Chosen Channel" },
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{ BSSMAP_LE_IMSI, "IMSI" },
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{ BSSMAP_LE_RESERVED_NOTE1, "Reserved" },
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{ BSSMAP_LE_RESERVED_NOTE2, "Reserved" },
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{ BSSMAP_LE_RESERVED_NOTE3, "Reserved" },
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{ BSSMAP_LE_LCS_CAPABILITY, "LCS Capability" },
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{ BSSMAP_LE_PACKET_MEASUREMENT_REPORT, "Packet Measurement Report" },
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{ BSSMAP_LE_CELL_IDENTITY_LIST, "Cell Identity List" },
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{ BSSMAP_LE_IMEI, "IMEI" },
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{ 0, NULL }
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};
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static const value_string gsm_apdu_protocol_id_strings[] = {
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{ 0, "reserved" },
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{ 1, "BSSLAP" },
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||||
{ 2, "LLP" },
|
||||
{ 3, "SMLCPP" },
|
||||
{ 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;
|
||||
|
||||
/* Initialize the subtree pointers */
|
||||
static gint ett_bssmap_le_msg = -1;
|
||||
|
||||
static dissector_handle_t gsm_bsslap_handle = NULL;
|
||||
|
||||
static packet_info *g_pinfo;
|
||||
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];
|
||||
|
||||
/* Dissector for the LCS Capability element */
|
||||
static guint8
|
||||
be_lcs_capability(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
||||
{
|
||||
/* Extract the LCS Capability element and add to protocol tree */
|
||||
proto_tree_add_text(tree, tvb, offset, len, "Not decoded yet");
|
||||
return len;
|
||||
}
|
||||
|
||||
/* Dissector for the Packet Measurement Report element */
|
||||
static guint8
|
||||
be_packet_meas_rep(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
||||
{
|
||||
/* Extract the Packet Measurement Report element and add to protocol tree */
|
||||
proto_tree_add_text(tree, tvb, offset, len, "Not decoded yet");
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
/* Dissector for the Measured Cell Identity List element */
|
||||
static guint8
|
||||
be_measured_cell_identity(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
||||
{
|
||||
/* Extract the Measured Cell Identity List element and add to protocol tree */
|
||||
proto_tree_add_text(tree, tvb, offset, len, "Not decoded yet");
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static guint8
|
||||
de_bmaple_apdu(tvbuff_t *tvb, proto_tree *tree, 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;
|
||||
|
||||
/* curr_offset + 1 is a hack, the length part here is 2 octets and we are off by one */
|
||||
proto_tree_add_text(tree, tvb, curr_offset+1, len, "APDU");
|
||||
|
||||
/*
|
||||
* 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+1);
|
||||
proto_tree_add_item(tree, hf_gsm_bssmap_le_apdu_protocol_id, tvb, curr_offset+1, 1, FALSE);
|
||||
|
||||
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(tvb, curr_offset+2, len-1, len-1);
|
||||
if(gsm_bsslap_handle)
|
||||
call_dissector(gsm_bsslap_handle, APDU_tvb, g_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);
|
||||
|
||||
return(curr_offset - offset);
|
||||
}
|
||||
|
||||
|
||||
#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, / 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, / Measured Cell Identity /
|
||||
DE_BMAPLE_IMEI, / IMEI /
|
||||
BMAPLE_NONE / NONE /
|
||||
}
|
||||
bssmap_le_elem_idx_t;
|
||||
*/
|
||||
|
||||
|
||||
guint8 (*bssmap_le_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, 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 */
|
||||
NULL, /* LCS QoS */
|
||||
NULL, /* LCS Priority */
|
||||
NULL, /* Location Type */
|
||||
be_ganss_loc_type, /* GANSS Location Type */
|
||||
NULL, /* Geographic Location */
|
||||
NULL, /* Positioning Data */
|
||||
be_ganss_pos_dta, /* GANSS Positioning Data */
|
||||
NULL, /* Velocity Data */
|
||||
NULL, /* LCS Cause */
|
||||
NULL, /* LCS Client Type */
|
||||
de_bmaple_apdu, /* APDU */
|
||||
NULL, /* Network Element Identity */
|
||||
NULL, /* Requested GPS Assitance Data */
|
||||
be_ganss_ass_dta, /* Requested GANSS Assistance Data */
|
||||
NULL, /* Deciphering Keys */
|
||||
NULL, /* Return Error Request */
|
||||
NULL, /* Return Error Cause */
|
||||
NULL, /* Segmentation */
|
||||
NULL, /* Classmark Information Type 3 */
|
||||
NULL, /* Cause */
|
||||
NULL, /* Cell Identifier */
|
||||
NULL, /* Chosen Channel */
|
||||
de_mid, /* 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, 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(gsm_bssmap_elem_strings[BE_LOC_TYPE].value, GSM_A_PDU_TYPE_BSSMAP, BE_LOC_TYPE , "");
|
||||
/* Cell Identifier 9.1.2 O 5-10 */
|
||||
ELEM_MAND_TLV(gsm_bssmap_elem_strings[BE_CELL_ID].value, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, "");
|
||||
/* Classmark Information Type 3 9.1.3 O 3-14 */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_CM_INFO_3].value, GSM_A_PDU_TYPE_BSSMAP, BE_CM_INFO_3, "");
|
||||
/* LCS Client Type 9.1.4 C (note 3) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_LCS_CLIENT].value, GSM_A_PDU_TYPE_BSSMAP, BE_LCS_CLIENT, "");
|
||||
/* Chosen Channel 9.1.5 O 2 */
|
||||
ELEM_OPT_TV(gsm_bssmap_elem_strings[BE_CHOSEN_CHAN].value, GSM_A_PDU_TYPE_BSSMAP, BE_CHOSEN_CHAN, "");
|
||||
/* LCS Priority 9.1.6 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_LCS_PRIO].value, GSM_A_PDU_TYPE_BSSMAP, BE_LCS_PRIO, "");
|
||||
/* LCS QoS 9.1.6a C (note 1) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_LCS_QOS].value, GSM_A_PDU_TYPE_BSSMAP, BE_LCS_QOS, "");
|
||||
/* GPS Assistance Data 9.1.7 C (note 2) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_GPS_ASSIST_DATA].value, GSM_A_PDU_TYPE_BSSMAP, BE_GPS_ASSIST_DATA, "");
|
||||
/* APDU 9.1.8 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_APDU].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, "");
|
||||
/* LCS Capability 9.1.9 O */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_LCS_CAPABILITY].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CAPABILITY, "");
|
||||
/* Packet Measurement Report 9.1.10 O*/
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_PACKET_MEAS_REP].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_PACKET_MEAS_REP, "");
|
||||
/* Measured Cell Identity List 9.1.11 O*/
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_MEAS_CELL_ID].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_MEAS_CELL_ID, "");
|
||||
/* IMSI 9.1.12 O (note 4) 5-10 */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_IMSI].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMSI, "");
|
||||
/* IMEI 9.1.13 O (note 4) 10 (use same decode as IMSI) */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_IMEI].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMEI, "");
|
||||
/* GANSS Location Type 9.1.14 C 3 */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_GANSS_LOC_TYPE].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_LOC_TYPE, "");
|
||||
/* GANSS Assistance Data 9.1.15 C (note 5) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_REQ_GNSS_ASSIST_D].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_REQ_GNSS_ASSIST_D, "");
|
||||
|
||||
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* 9.2 PERFORM LOCATION RESPONSE
|
||||
*/
|
||||
static void
|
||||
bssmap_le_perf_loc_resp(tvbuff_t *tvb, proto_tree *tree, 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(gsm_bssmap_elem_strings[BE_LOC_EST].value, BSSAP_PDU_TYPE_BSSMAP, BE_LOC_EST, "");
|
||||
/* Positioning Data 9.2.2 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_POS_DATA].value, BSSAP_PDU_TYPE_BSSMAP, BE_POS_DATA, "");
|
||||
/* Deciphering Keys 9.2.3 C (note 2) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_DECIPH_KEYS].value, BSSAP_PDU_TYPE_BSSMAP, BE_DECIPH_KEYS, "");
|
||||
/* LCS Cause 9.2.4 C (note 3) 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_LCS_CAUSE].value, BSSAP_PDU_TYPE_BSSMAP, BE_LCS_CAUSE, "");
|
||||
/* Velocity Estimate 9.2.5 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_VEL_EST].value, BSSAP_PDU_TYPE_BSSMAP, BE_VEL_EST, "");
|
||||
/* GANSS Positioning Data 9.2.6 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_GANSS_POS_DATA].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_POS_DATA, "");
|
||||
|
||||
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* 9.8 CONNECTION ORIENTED INFORMATION
|
||||
*/
|
||||
static void
|
||||
bssmap_le_connection_oriented(tvbuff_t *tvb, proto_tree *tree, 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_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_APDU].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, "");
|
||||
/* Segmentation 9.8.2 */
|
||||
ELEM_OPT_TLV(gsm_bssmap_elem_strings[BE_SEG].value, BSSAP_PDU_TYPE_BSSMAP, BE_SEG, "");
|
||||
|
||||
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* 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, 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(gsm_bssmap_elem_strings[BE_CELL_ID].value, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, "");
|
||||
/* APDU 9.1.8 O 3-n */
|
||||
ELEM_OPT_TLV(gsm_bssmap_le_elem_strings[DE_BMAPLE_APDU].value, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, "");
|
||||
|
||||
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
||||
}
|
||||
|
||||
static void (*bssmap_le_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, 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 */
|
||||
};
|
||||
|
||||
/* 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", "bssmap_le.msgtype",
|
||||
FT_UINT8, BASE_HEX, VALS(gsm_bssmap_le_msg_strings), 0x0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_gsm_bssmap_le_elem_id,
|
||||
{ "Element ID", "bssmap_le.elem_id",
|
||||
FT_UINT8, BASE_DEC, NULL, 0,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_gsm_bssmap_le_apdu_protocol_id,
|
||||
{ "Protocol ID", "bssmap_le.apdu_protocol_id",
|
||||
FT_UINT8, BASE_DEC, VALS(gsm_apdu_protocol_id_strings), 0x0,
|
||||
"APDU embedded protocol id", HFILL }
|
||||
},
|
||||
};
|
||||
/* Setup protocol subtree array */
|
||||
#define NUM_INDIVIDUAL_ELEMS 1
|
||||
static 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));
|
||||
|
||||
register_dissector("gsm_bssmap_le", dissect_bssmap_le, proto_bssmap_le);
|
||||
}
|
||||
|
||||
void
|
||||
dissect_bssmap_le(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||||
{
|
||||
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;
|
||||
|
||||
sccp_msg = pinfo->sccp_info;
|
||||
|
||||
if (!(sccp_msg && sccp_msg->data.co.assoc)) {
|
||||
sccp_msg = NULL;
|
||||
}
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
{
|
||||
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_pinfo = pinfo;
|
||||
g_tree = tree;
|
||||
|
||||
len = tvb_length(tvb);
|
||||
|
||||
/*
|
||||
* add BSSMAP message name
|
||||
*/
|
||||
oct = tvb_get_guint8(tvb, offset++);
|
||||
|
||||
str = match_strval_idx((guint32) oct, gsm_bssmap_le_msg_strings, &idx);
|
||||
|
||||
if (sccp_msg && !sccp_msg->data.co.label) {
|
||||
sccp_msg->data.co.label = se_strdup(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]);
|
||||
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
{
|
||||
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;
|
||||
|
||||
if ((len - offset) <= 0) return;
|
||||
|
||||
/*
|
||||
* decode elements
|
||||
*/
|
||||
if (bssmap_le_msg_fcn[idx] == NULL)
|
||||
{
|
||||
proto_tree_add_text(bssmap_le_tree,
|
||||
tvb, offset, len - offset,
|
||||
"Message Elements");
|
||||
}
|
||||
else
|
||||
{
|
||||
(*bssmap_le_msg_fcn[idx])(tvb, bssmap_le_tree, offset, len - offset);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
proto_reg_handoff_gsm_bssmap_le(void)
|
||||
{
|
||||
dissector_handle_t bssmap_le_handle;
|
||||
|
||||
bssmap_le_handle = find_dissector("gsm_bssmap_le");
|
||||
|
||||
dissector_add("bssap.pdu_type", BSSAP_PDU_TYPE_BSSMAP, bssmap_le_handle);
|
||||
|
||||
gsm_bsslap_handle = find_dissector("gsm_bsslap");
|
||||
}
|
||||
Loading…
Reference in New Issue