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authorAndersBroman <anders.broman@ericsson.com>2018-02-19 10:27:08 +0100
committerAnders Broman <a.broman58@gmail.com>2018-02-26 11:27:05 +0000
commit43038830050fddeb2bed423bbe3fdd62f9429309 (patch)
tree1866fcdd6939300202d92e60765b0bd08fb90caa
parent73e9605adb42f2b6955104a39e2d66573d8d9792 (diff)
[NAS 5GS] Add dissector for NAS5GS 3GPP TS 24.501.
This is not a complete dissector but can be commited as is. To be worked on. Change-Id: I2e698b57c849013657a1eeacef4b984c8b8c39ee Reviewed-on: https://code.wireshark.org/review/26051 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat
-rw-r--r--epan/dissectors/CMakeLists.txt1
-rw-r--r--epan/dissectors/Makefile.am1
-rw-r--r--epan/dissectors/packet-gsm_a_common.c9
-rw-r--r--epan/dissectors/packet-gsm_a_common.h33
-rw-r--r--epan/dissectors/packet-nas_5gs.c2158
5 files changed, 2202 insertions, 0 deletions
diff --git a/epan/dissectors/CMakeLists.txt b/epan/dissectors/CMakeLists.txt
index 74393aef3e..d0b81c9fa1 100644
--- a/epan/dissectors/CMakeLists.txt
+++ b/epan/dissectors/CMakeLists.txt
@@ -1364,6 +1364,7 @@ set(DISSECTOR_SRC
${CMAKE_CURRENT_SOURCE_DIR}/packet-multipart.c
${CMAKE_CURRENT_SOURCE_DIR}/packet-mux27010.c
${CMAKE_CURRENT_SOURCE_DIR}/packet-mysql.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/packet-nas_5gs.c
${CMAKE_CURRENT_SOURCE_DIR}/packet-nas_eps.c
${CMAKE_CURRENT_SOURCE_DIR}/packet-nasdaq-itch.c
${CMAKE_CURRENT_SOURCE_DIR}/packet-nasdaq-soup.c
diff --git a/epan/dissectors/Makefile.am b/epan/dissectors/Makefile.am
index 9fdc8097e0..423a5dda34 100644
--- a/epan/dissectors/Makefile.am
+++ b/epan/dissectors/Makefile.am
@@ -985,6 +985,7 @@ DISSECTOR_SRC = \
packet-multipart.c \
packet-mux27010.c \
packet-mysql.c \
+ packet-nas_5gs.c \
packet-nas_eps.c \
packet-nasdaq-itch.c \
packet-nasdaq-soup.c \
diff --git a/epan/dissectors/packet-gsm_a_common.c b/epan/dissectors/packet-gsm_a_common.c
index 4bc8d7361d..5821b1e711 100644
--- a/epan/dissectors/packet-gsm_a_common.c
+++ b/epan/dissectors/packet-gsm_a_common.c
@@ -1242,6 +1242,15 @@ static int get_hf_elem_id(int pdu_type)
case GMR1_IE_RR:
hf_elem_id = hf_gmr1_elem_id;
break;
+ case NAS_5GS_PDU_TYPE_COMMON:
+ hf_elem_id = hf_nas_5gs_common_elem_id;
+ break;
+ case NAS_5GS_PDU_TYPE_MM:
+ hf_elem_id = hf_nas_5gs_mm_elem_id;
+ break;
+ case NAS_5GS_PDU_TYPE_SM:
+ hf_elem_id = hf_nas_5gs_sm_elem_id;
+ break;
default:
DISSECTOR_ASSERT_NOT_REACHED();
}
diff --git a/epan/dissectors/packet-gsm_a_common.h b/epan/dissectors/packet-gsm_a_common.h
index af57621714..627b09e601 100644
--- a/epan/dissectors/packet-gsm_a_common.h
+++ b/epan/dissectors/packet-gsm_a_common.h
@@ -166,6 +166,21 @@ extern value_string_ext gmr1_ie_rr_strings_ext;
extern elem_fcn gmr1_ie_rr_func[];
extern gint ett_gmr1_ie_rr[];
+extern value_string_ext nas_5gs_common_elem_strings_ext;
+extern gint ett_nas_5gs_common_elem[];
+extern elem_fcn nas_5gs_common_elem_fcn[];
+extern int hf_nas_5gs_common_elem_id;
+
+extern value_string_ext nas_5gs_mm_elem_strings_ext;
+extern gint ett_nas_5gs_mm_elem[];
+extern elem_fcn nas_5gs_mm_elem_fcn[];
+extern int hf_nas_5gs_mm_elem_id;
+
+extern value_string_ext nas_5gs_sm_elem_strings_ext;
+extern gint ett_nas_5gs_sm_elem[];
+extern elem_fcn nas_5gs_sm_elem_fcn[];
+extern int hf_nas_5gs_sm_elem_id;
+
extern sccp_assoc_info_t* sccp_assoc;
extern int gsm_a_tap;
@@ -206,6 +221,9 @@ extern int hf_gsm_a_lac;
#define BSSGP_PDU_TYPE 13
#define GMR1_IE_COMMON 14
#define GMR1_IE_RR 15
+#define NAS_5GS_PDU_TYPE_COMMON 16
+#define NAS_5GS_PDU_TYPE_MM 17
+#define NAS_5GS_PDU_TYPE_SM 18
extern const char* get_gsm_a_msg_string(int pdu_type, int idx);
@@ -314,6 +332,21 @@ extern const char* get_gsm_a_msg_string(int pdu_type, int idx);
SEV_elem_ett = ett_gmr1_ie_rr; \
SEV_elem_funcs = gmr1_ie_rr_func; \
break; \
+ case NAS_5GS_PDU_TYPE_COMMON: \
+ SEV_elem_names_ext = nas_5gs_common_elem_strings_ext; \
+ SEV_elem_ett = ett_nas_5gs_common_elem; \
+ SEV_elem_funcs = nas_5gs_common_elem_fcn; \
+ break; \
+ case NAS_5GS_PDU_TYPE_MM: \
+ SEV_elem_names_ext = nas_5gs_mm_elem_strings_ext; \
+ SEV_elem_ett = ett_nas_5gs_mm_elem; \
+ SEV_elem_funcs = nas_5gs_mm_elem_fcn; \
+ break; \
+ case NAS_5GS_PDU_TYPE_SM: \
+ SEV_elem_names_ext = nas_5gs_sm_elem_strings_ext; \
+ SEV_elem_ett = ett_nas_5gs_sm_elem; \
+ SEV_elem_funcs = nas_5gs_sm_elem_fcn; \
+ break; \
default: \
proto_tree_add_expert_format(tree, pinfo, ei_unknown, \
tvb, curr_offset, -1, \
diff --git a/epan/dissectors/packet-nas_5gs.c b/epan/dissectors/packet-nas_5gs.c
new file mode 100644
index 0000000000..f2ab970860
--- /dev/null
+++ b/epan/dissectors/packet-nas_5gs.c
@@ -0,0 +1,2158 @@
+/* packet-nas_5gs.c
+* Routines for Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS) dissection
+*
+* Copyright 2018, Anders Broman <anders.broman@ericsson.com>
+*
+* Wireshark - Network traffic analyzer
+* By Gerald Combs <gerald@wireshark.org>
+* Copyright 1998 Gerald Combs
+*
+* SPDX-License-Identifier: GPL-2.0-or-later
+*
+* References: 3GPP TS 24.501 0.3.1 2018-02-09
+*/
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/expert.h>
+
+#include "packet-gsm_a_common.h"
+
+void proto_register_nas_5gs(void);
+void proto_reg_handoff_nas_5gs(void);
+
+#define PNAME "Non-Access-Stratum 5GS (NAS)PDU"
+#define PSNAME "NAS-5GS"
+#define PFNAME "nas-5gs"
+
+static int proto_nas_5gs = -1;
+
+int hf_nas_5gs_common_elem_id = -1;
+int hf_nas_5gs_mm_elem_id = -1;
+int hf_nas_5gs_sm_elem_id = -1;
+
+static int hf_nas_5gs_epd = -1;
+static int hf_nas_5gs_security_header_type = -1;
+static int hf_nas_5gs_mm_msg_type = -1;
+static int hf_nas_5gs_sm_msg_type = -1;
+static int hf_nas_5gs_proc_trans_id = -1;
+static int hf_nas_5gs_spare_half_octet = -1;
+static int hf_nas_5gs_pdu_session_id = -1;
+static int hf_nas_5gs_msg_elems = -1;
+static int hf_nas_5gs_mm_for = -1;
+static int hf_nas_5gs_mm_5gs_reg_type = -1;
+static int hf_nas_5gs_mm_tsc = -1;
+static int hf_nas_5gs_mm_nas_key_set_id = -1;
+static int hf_nas_5gs_mm_5gmm_cause = -1;
+static int hf_nas_5gs_mm_pld_cont_type = -1;
+static int hf_nas_5gs_mm_switch_off = -1;
+static int hf_nas_5gs_mm_re_reg_req = -1;
+static int hf_nas_5gs_mm_acc_type = -1;
+
+
+static int ett_nas_5gs = -1;
+
+static expert_field ei_nas_5gs_extraneous_data = EI_INIT;
+static expert_field ei_nas_5gs_unknown_pd = EI_INIT;
+static expert_field ei_nas_5gs_mm_unknown_msg_type = EI_INIT;
+static expert_field ei_nas_5gs_sm_unknown_msg_type = EI_INIT;
+static expert_field ei_nas_5gs_msg_not_dis = EI_INIT;
+static expert_field ei_nas_5gs_ie_not_dis = EI_INIT;
+static expert_field ei_nas_eps_missing_mandatory_elemen = EI_INIT;
+
+static const value_string nas_5gs_security_header_type_vals[] = {
+ { 0, "Plain NAS message, not security protected"},
+ { 1, "Integrity protected"},
+ { 2, "Integrity protected and ciphered"},
+ { 3, "Integrity protected with new 5GS security context"},
+ { 4, "Integrity protected and ciphered with new 5GS security context"},
+ { 0, NULL }
+};
+
+#define TGPP_PD_5GMM 0x0e
+#define TGPP_PD_5GSM 0x1e
+
+static const value_string nas_5gs_epd_vals[] = {
+ { 0x00, "Group call control" },
+ { 0x01, "Broadcast call control" },
+ { 0x02, "EPS session management messages" },
+ { 0x03, "Call Control; call related SS messages" },
+ { 0x04, "GPRS Transparent Transport Protocol (GTTP)" },
+ { 0x05, "Mobility Management messages" },
+ { 0x06, "Radio Resources Management messages" },
+ { 0x07, "EPS mobility management messages" },
+ { 0x08, "GPRS mobility management messages" },
+ { 0x09, "SMS messages" },
+ { 0x0a, "GPRS session management messages" },
+ { 0x0b, "Non call related SS messages" },
+ { 0x0c, "Location services specified in 3GPP TS 44.071" },
+ { 0x0d, "Unknown" },
+ /*{0x0e, "Reserved for extension of the PD to one octet length "},*/
+ { 0x0f, "Tests procedures described in 3GPP TS 44.014, 3GPP TS 34.109 and 3GPP TS 36.509" },
+ { TGPP_PD_5GMM, "5G mobility management messages" },
+ { TGPP_PD_5GSM, "5G session management messages" },
+ { 0, NULL }
+};
+
+
+/*
+ * 9.8.2 Common information elements
+ */
+ /*
+ * 9.8.2.1 Additional information
+ */
+static guint16
+de_nas_5gs_cmn_add_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.2.2 PDU session status
+ */
+static guint16
+de_nas_5gs_pdu_ses_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.2.3 Uplink data status
+ */
+static guint16
+de_nas_5gs_ul_data_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+
+/*
+ * 9.8.3 5GS mobility management (5GMM) information elements
+ */
+
+ /*
+ * 9.8.3.1 5GMM capability
+ */
+static guint16
+de_nas_5gs_mm_5gmm_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.2 5GMM cause
+ */
+
+static const value_string nas_5gs_mm_cause_vals[] = {
+ { 0x03, "Illegal UE" },
+ { 0x05, "PEI not accepted" },
+ { 0x06, "Illegal ME" },
+ { 0x07, "5GS services not allowed" },
+ { 0x0a, "Implicitly deregistered" },
+ { 0x0b, "PLMN not allowed" },
+ { 0x0c, "Tracking area not allowed" },
+ { 0x0e, "Roaming not allowed in this tracking area" },
+ { 0x15, "Synch failure" },
+ { 0x1b, "N1 mode not allowed" },
+ { 0x5f, "Semantically incorrect message" },
+ { 0x60, "Invalid mandatory information" },
+ { 0x61, "Message type non-existent or not implemented" },
+ { 0x62, "Message type not compatible with the protocol state" },
+ { 0x63, "Information element non-existent or not implemented" },
+ { 0x64, "Conditional IE error" },
+ { 0x65, "Message not compatible with the protocol state" },
+ { 0x6f, "Protocol error, unspecified" },
+ { 0, NULL }
+};
+
+static guint16
+de_nas_5gs_mm_5gmm_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+ guint32 cause;
+
+ proto_tree_add_item_ret_uint(tree, hf_nas_5gs_mm_5gmm_cause, tvb, offset, 1, ENC_BIG_ENDIAN, &cause);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)",
+ val_to_str_const(cause, nas_5gs_mm_cause_vals, "Unknown"));
+
+
+ return 1;
+}
+
+/*
+ * 9.8.3.3 5GS mobile identity
+ */
+static guint16
+de_nas_5gs_mm_5gs_mobile_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ /* Length of 5GS mobile identity contents octet 2 */
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.4 5GS network feature support
+ */
+static guint16
+de_nas_5gs_mm_5gs_nw_feat_sup(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.5 5GS registration result
+ */
+static guint16
+de_nas_5gs_mm_5gs_reg_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+ /* The definition of 5GS registration result is FFS. Use lemgth = 1*/
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, 1);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.6 5GS registration type
+ */
+static const value_string nas_5gs_registration_type_values[] = {
+ { 0x1, "initial registration" },
+ { 0x2, "mobility registration updating" },
+ { 0x3, "periodic registration updating" },
+ { 0x4, "unused(initial registration)" },
+ { 0x5, "unused(initial registration)" },
+ { 0x6, "5GS emergency registration" },
+ { 0x7, "reserved" },
+ { 0, NULL }
+ };
+
+static true_false_string nas_5gs_for_tfs = {
+ "Follow-on request pending",
+ "No follow-on request pending"
+};
+
+static guint16
+de_nas_5gs_mm_5gs_reg_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+
+ proto_tree_add_item(tree, hf_nas_5gs_mm_for, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_nas_5gs_mm_5gs_reg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.7 Allowed PDU session status
+ */
+static guint16
+de_nas_5gs_mm_allow_pdu_ses_sts(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.8 Authentication parameter AUTN
+ */
+/* See subclause 10.5.3.1 in 3GPP TS 24.008 [8].*/
+
+/*
+ * 9.8.3.9 Authentication parameter RAND
+ */
+
+/* See subclause 10.5.3.1 in 3GPP TS 24.008 [8]. */
+
+/*
+ * 9.8.3.10 Configuration update indication
+ */
+static guint16
+de_nas_5gs_mm_conf_upd_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.11 Daylight saving time
+ */
+static guint16
+de_nas_5gs_mm_dlgt_saving_time(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.12 De-registration type
+ */
+static const true_false_string nas_5gs_mm_switch_off_tfs = {
+ "Switch off",
+ "Normal detach"
+};
+
+static const true_false_string nas_5gs_mm_re_reg_req_tfs = {
+ "re-registration required",
+ "re-registration not required"
+};
+
+static const value_string nas_5gs_mm_acc_type_vals[] = {
+ { 0x1, "3GPP access"},
+ { 0x2, "Non-3GPP access"},
+ { 0x3, "3GPP access and non-3GPP access"},
+ { 0, NULL }
+};
+
+static guint16
+de_nas_5gs_mm_de_reg_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+ /* Switch off Re-registration required Access type */
+ proto_tree_add_item(tree, hf_nas_5gs_mm_switch_off, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_nas_5gs_mm_re_reg_req, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_nas_5gs_mm_acc_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, 1);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.13 DNN
+ */
+static guint16
+de_nas_5gs_mm_dnn(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.14 EAP message
+ */
+static guint16
+de_nas_5gs_mm_eap_msg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.15 EPS NAS message container
+ */
+static guint16
+de_nas_5gs_mm_eps_nas_msg_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.16 GPRS timer 2
+ */
+/* See subclause 10.5.7.4 in 3GPP TS 24.008 */
+
+/*
+ * 9.8.3.17 HashAMF
+ */
+static guint16
+de_nas_5gs_mm_hashamf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.18 IMEISV request
+ */
+static guint16
+de_nas_5gs_mm_imeisv_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.19 LADN information
+ */
+static guint16
+de_nas_5gs_mm_ladn_inf(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.20 Message authentication code
+ */
+static guint16
+de_nas_5gs_mm_msg_auth_code(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.21 MICO indication
+ */
+static guint16
+de_nas_5gs_mm_mico_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+static const true_false_string nas_5gs_mm_tsc_tfs = {
+ "Mapped security context (for KSIASME)",
+ "Native security context (for KSIAMF)"
+};
+
+/*
+ * 9.8.3.22 NAS key set identifier
+ */
+static guint16
+de_nas_5gs_mm_nas_key_set_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+
+ /* NAS key set identifier IEI TSC NAS key set identifier */
+ proto_tree_add_item(tree, hf_nas_5gs_mm_tsc, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(tree, hf_nas_5gs_mm_nas_key_set_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.23 NAS message container
+ */
+static guint16
+de_nas_5gs_mm_nas_msg_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.24 NAS security algorithms
+ */
+static guint16
+de_nas_5gs_mm_nas_sec_algo(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.25 NAS security parameters to NG-RAN
+ */
+static guint16
+de_nas_5gs_mm_nas_sec_par_ng_ran(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.26 Network name
+ */
+static guint16
+de_nas_5gs_mm_nw_name(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.27 Nonce
+ */
+/* See subclause 9.9.3.25 in 3GPP TS 24.301 [10].*/
+
+/*
+ * 9.8.3.28 NSSAI
+ */
+static guint16
+de_nas_5gs_mm_nssai(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.29 NSSAI info for PDU sessions
+ */
+static guint16
+de_nas_5gs_mm_nssai_inf_for_pdu_ses(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.30 Payload container
+ */
+static guint16
+de_nas_5gs_mm_pld_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.31 Payload container type
+ */
+static const value_string nas_5gs_mm_pld_cont_type_vals[] = {
+ { 0x01, "N1 SM information" },
+ { 0x02, "SMS" },
+ { 0x03, "LTE Positioning Protocol (LPP) message container" },
+ { 0, NULL } };
+
+static guint16
+de_nas_5gs_mm_pld_cont_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_item(tree, hf_nas_5gs_mm_pld_cont_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.32 PDU session reactivation result
+ */
+static guint16
+de_nas_5gs_mm_pdu_ses_react_res(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.33 PLMN list
+ */
+/* See subclause 10.5.1.13 in 3GPP TS 24.008 */
+
+/*
+ * 9.8.3.34 Old PDU session identity
+ */
+static guint16
+de_nas_5gs_mm_old_pdu_ses_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.35 Rejected NSSAI
+ */
+static guint16
+de_nas_5gs_mm_rej_nssai(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.36 S1 UE network capability
+ */
+/* See subclause 9.9.3.34 in 3GPP TS 24.301 */
+
+/*
+ * 9.8.3.37 S-NSSAI
+ */
+static guint16
+de_nas_5gs_mm_s_nssai(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.38 Sequence number
+ */
+
+static guint16
+de_nas_5gs_mm_seq_no(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.39 Service area list
+ */
+
+static guint16
+de_nas_5gs_mm_sal(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.40 SMS allowed
+ */
+
+static guint16
+de_nas_5gs_mm_sms_all(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len _U_,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, 1);
+
+ return 1;
+}
+
+/*
+ * 9.8.3.41 SMS requested
+ */
+
+static guint16
+de_nas_5gs_mm_sms_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.42 Request type
+ */
+
+static guint16
+de_nas_5gs_mm_req_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.43 Service type
+ */
+
+static guint16
+de_nas_5gs_mm_serv_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.44 Tracking area identity
+ */
+/* See subclause 9.9.3.32 in 3GPP TS 24.301 */
+
+/*
+ * 9.8.3.45 Tracking area identity list
+ */
+/* See subclause 9.9.3.33 in 3GPP TS 24.301 */
+
+/*
+ * 9.8.3.46 Time zone
+ */
+/* See subclause 10.5.3.8 in 3GPP TS 24.008 */
+
+/*
+ * 9.8.3.47 Time zone and time
+ */
+/* See subclause 10.5.3.9 in 3GPP TS 24.00*/
+
+/*
+ * 9.8.3.48 UE security capability
+ */
+
+static guint16
+de_nas_5gs_mm_ue_sec_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.3.49 UE status
+ */
+
+static guint16
+de_nas_5gs_mm_ue_sts(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4 5GS session management (5GSM) information elements
+ */
+
+/*
+ * 9.8.4.1 5GSM cause
+ */
+
+static guint16
+de_nas_5gs_sm_5gsm_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.2 Extended protocol configuration options
+ */
+
+static guint16
+de_nas_5gs_sm_ext_prot_conf_opt(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.3 GPRS timer
+ */
+
+static guint16
+de_nas_5gs_sm_gprs_timer(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.4 PDU address
+ */
+
+static guint16
+de_nas_5gs_sm_pdu_address(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.5 PDU session type
+ */
+
+static guint16
+de_nas_5gs_sm_pdu_session_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.6 QoS rules
+ */
+
+static guint16
+de_nas_5gs_sm_qos_rules(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.7 Session-AMBR
+ */
+
+static guint16
+de_nas_5gs_sm_session_ambr(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.8 SM PDU DN request container
+ */
+
+static guint16
+de_nas_5gs_sm_pdu_dn_req_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.9 SSC mode
+ */
+
+static guint16
+de_nas_5gs_sm_ssc_mode(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+/*
+ * 9.8.4.10 5GSM capability
+ */
+
+static guint16
+de_nas_5gs_sm_5gsm_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string _U_, int string_len _U_)
+{
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
+
+ return len;
+}
+
+
+/*
+ * 9.8.2 Common information elements
+ */
+
+/* 9.8.2.1 Additional information*/
+
+/*
+ * Note this enum must be of the same size as the element decoding list
+ */
+typedef enum
+{
+ DE_NAS_5GS_CMN_ADD_INF, /*9.8.2.1 Additional information*/
+ DE_NAS_5GS_PDU_SES_STATUS, /*9.8.2.2 PDU session status*/
+ DE_NAS_5GS_UL_DATA_STATUS, /*9.8.2.3 Uplink data status*/
+ DE_NAS_5GS_COMMON_NONE /* NONE */
+}
+nas_5gs_common_elem_idx_t;
+
+static const value_string nas_5gs_common_elem_strings[] = {
+ { DE_NAS_5GS_CMN_ADD_INF, "Additional information" }, /* 9.8.2.1 Additional information*/
+ { DE_NAS_5GS_PDU_SES_STATUS, "PDU session status" }, /* 9.8.2.2 PDU session status*/
+ { DE_NAS_5GS_UL_DATA_STATUS, "Uplink data status" }, /* 9.8.2.3 Uplink data status*/
+ { 0, NULL }
+};
+value_string_ext nas_5gs_common_elem_strings_ext = VALUE_STRING_EXT_INIT(nas_5gs_common_elem_strings);
+
+#define NUM_NAS_5GS_COMMON_ELEM (sizeof(nas_5gs_common_elem_strings)/sizeof(value_string))
+gint ett_nas_5gs_common_elem[NUM_NAS_5GS_COMMON_ELEM];
+
+
+guint16(*nas_5gs_common_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string, int string_len) = {
+ /* 9.8.2 Common information elements */
+ de_nas_5gs_cmn_add_inf, /*9.8.2.1 Additional information*/
+ de_nas_5gs_pdu_ses_status, /*9.8.2.2 PDU session status*/
+ de_nas_5gs_ul_data_status, /*9.8.2.3 Uplink data status*/
+ NULL, /* NONE */
+};
+
+
+
+/*
+ * 9.8.3 5GS mobility management (5GMM) information elements
+ */
+typedef enum
+{
+ DE_NAS_5GS_MM_5GMM_CAP, /* 9.8.3.1 5GMM capability*/
+ DE_NAS_5GS_MM_5GMM_CAUSE, /* 9.8.3.2 5GMM cause*/
+ DE_NAS_5GS_MM_5GS_MOBILE_ID, /* 9.8.3.3 5GS mobile identity*/
+ DE_NAS_5GS_MM_5GS_NW_FEAT_SUP, /* 9.8.3.4 5GS network feature support*/
+ DE_NAS_5GS_MM_5GS_REG_RES, /* 9.8.3.5 5GS registration result*/
+ DE_NAS_5GS_MM_5GS_REG_TYPE, /* 9.8.3.6 5GS registration type*/
+ DE_NAS_5GS_MM_ALLOW_PDU_SES_STS, /* 9.8.3.7 Allowed PDU session status*/
+ DE_NAS_5GS_MM_AUT_PAR_AUTN, /* 9.8.3.8 Authentication parameter AUTN*/
+ DE_NAS_5GS_MM_AUT_PAR_RAND, /* 9.8.3.9 Authentication parameter RAND*/
+ DE_NAS_5GS_MM_CONF_UPD_IND, /* 9.8.3.10 Configuration update indication*/
+ DE_NAS_5GS_MM_DLGT_SAVING_TIME, /* 9.8.3.11 Daylight saving time*/
+ DE_NAS_5GS_MM_DE_REG_TYPE, /* 9.8.3.12 De-registration type*/
+ DE_NAS_5GS_MM_DNN, /* 9.8.3.13 DNN*/
+ DE_NAS_5GS_MM_EAP_MSG, /* 9.8.3.14 EAP message*/
+ DE_NAS_5GS_MM_EPS_NAS_MSG_CONT, /* 9.8.3.15 EPS NAS message container*/
+ DE_NAS_5GS_MM_GPRS_TIMER_2, /* 9.8.3.16 GPRS timer 2*/
+ DE_NAS_5GS_MM_HASHAMF, /* 9.8.3.17 HashAMF*/
+ DE_NAS_5GS_MM_IMEISV_REQ, /* 9.8.3.18 IMEISV request*/
+ DE_NAS_5GS_MM_LADN_INF, /* 9.8.3.19 LADN information*/
+ DE_NAS_5GS_MM_MSG_AUTH_CODE, /* 9.8.3.20 Message authentication code*/
+ DE_NAS_5GS_MM_MICO_IND, /* 9.8.3.21 MICO indication*/
+ DE_NAS_5GS_MM_NAS_KEY_SET_ID, /* 9.8.3.22 NAS key set identifier*/
+ DE_NAS_5GS_MM_NAS_MSG_CONT, /* 9.8.3.23 NAS message container*/
+ DE_NAS_5GS_MM_NAS_SEC_ALGO, /* 9.8.3.24 NAS security algorithms*/
+ DE_NAS_5GS_MM_NAS_SEC_PAR_NG_RAN, /* 9.8.3.25 NAS security parameters to NG-RAN*/
+ DE_NAS_5GS_MM_NW_NAME, /* 9.8.3.26 Network name*/
+ DE_NAS_5GS_MM_NONCE, /* 9.8.3.27 Nonce*/
+ DE_NAS_5GS_MM_NSSAI, /* 9.8.3.28 NSSAI*/
+ DE_NAS_5GS_MM_NSSAI_INF_FOR_PDU_SES, /* 9.8.3.29 NSSAI info for PDU sessions*/
+ DE_NAS_5GS_MM_PLD_CONT, /* 9.8.3.30 Payload container*/
+ DE_NAS_5GS_MM_PLD_CONT_TYPE, /* 9.8.3.31 Payload container type*/
+ DE_NAS_5GS_MM_PDU_SES_REACT_RES, /* 9.8.3.32 PDU session reactivation result*/
+ DE_NAS_5GS_MM_PLMN_LIST, /* 9.8.3.33 PLMN list*/
+ DE_NAS_5GS_MM_OLD_PDU_SES_ID, /* 9.8.3.34 Old PDU session identity*/
+ DE_NAS_5GS_MM_REJ_NSSAI, /* 9.8.3.35 Rejected NSSAI*/
+ DE_NAS_5GS_MM_S1_UE_NW_CAP, /* 9.8.3.36 S1 UE network capability*/
+ DE_NAS_5GS_MM_S_NSSAI, /* 9.8.3.37 S-NSSAI*/
+ DE_NAS_5GS_MM_SEQ_NO, /* 9.8.3.38 Sequence number*/
+ DE_NAS_5GS_MM_SAL, /* 9.8.3.39 Service area list*/
+ DE_NAS_5GS_MM_SMS_ALL, /* 9.8.3.40 SMS allowed*/
+ DE_NAS_5GS_MM_SMS_REQ, /* 9.8.3.41 SMS requested*/
+ DE_NAS_5GS_MM_REQ_TYPE, /* 9.8.3.42 Request type*/
+ DE_NAS_5GS_MM_SERV_TYPE, /* 9.8.3.43 Service type*/
+ DE_NAS_5GS_MM_TAI_ID, /* 9.8.3.44 Tracking area identity*/
+ DE_NAS_5GS_MM_TAI_ID_LIST, /* 9.8.3.45 Tracking area identity list*/
+ DE_NAS_5GS_MM_TZ, /* 9.8.3.46 Time zone*/
+ DE_NAS_5GS_MM_TZ_AND_T, /* 9.8.3.47 Time zone and time*/
+ DE_NAS_5GS_MM_UE_SEC_CAP, /* 9.8.3.48 UE security capability*/
+ DE_NAS_5GS_MM_UE_STS, /* 9.8.3.49 UE status*/
+ DE_NAS_5GS_MM_NONE /* NONE */
+}
+nas_5gs_mm_elem_idx_t;
+
+static const value_string nas_5gs_mm_elem_strings[] = {
+ { DE_NAS_5GS_MM_5GMM_CAP, "5GMM capability" }, /* 9.8.3.1 5GMM capability*/
+ { DE_NAS_5GS_MM_5GMM_CAUSE, "5GMM cause" }, /* 9.8.3.2 5GMM cause*/
+ { DE_NAS_5GS_MM_5GS_MOBILE_ID, "5GS mobile identity" }, /* 9.8.3.3 5GS mobile identity*/
+ { DE_NAS_5GS_MM_5GS_NW_FEAT_SUP, "5GS network feature support" }, /* 9.8.3.4 5GS network feature support*/
+ { DE_NAS_5GS_MM_5GS_REG_RES, "5GS registration resul" }, /* 9.8.3.5 5GS registration result*/
+ { DE_NAS_5GS_MM_5GS_REG_TYPE, "5GS registration type" }, /* 9.8.3.6 5GS registration type*/
+ { DE_NAS_5GS_MM_ALLOW_PDU_SES_STS, "Allowed PDU session status" }, /* 9.8.3.7 Allowed PDU session status*/
+ { DE_NAS_5GS_MM_AUT_PAR_AUTN, "Authentication parameter AUTN" }, /* 9.8.3.8 Authentication parameter AUTN*/
+ { DE_NAS_5GS_MM_AUT_PAR_RAND, "Authentication parameter RAND" }, /* 9.8.3.9 Authentication parameter RAND*/
+ { DE_NAS_5GS_MM_CONF_UPD_IND, "Configuration update indication" }, /* 9.8.3.10 Configuration update indication*/
+ { DE_NAS_5GS_MM_DLGT_SAVING_TIME, "Daylight saving time" }, /* 9.8.3.11 Daylight saving time*/
+ { DE_NAS_5GS_MM_DE_REG_TYPE, "De-registration type" }, /* 9.8.3.12 De-registration type*/
+ { DE_NAS_5GS_MM_DNN, "DNN" }, /* 9.8.3.13 DNN*/
+ { DE_NAS_5GS_MM_EAP_MSG, "EAP message" }, /* 9.8.3.14 EAP message*/
+ { DE_NAS_5GS_MM_EPS_NAS_MSG_CONT, "EPS NAS message container" }, /* 9.8.3.15 EPS NAS message container*/
+ { DE_NAS_5GS_MM_GPRS_TIMER_2, "GPRS timer 2" }, /* 9.8.3.16 GPRS timer 2*/
+ { DE_NAS_5GS_MM_HASHAMF, "HashAMF" }, /* 9.8.3.17 HashAMF*/
+ { DE_NAS_5GS_MM_IMEISV_REQ, "IMEISV request" }, /* 9.8.3.18 IMEISV request*/
+ { DE_NAS_5GS_MM_LADN_INF, "LADN information" }, /* 9.8.3.19 LADN information*/
+ { DE_NAS_5GS_MM_MSG_AUTH_CODE, "Message authentication code" }, /* 9.8.3.20 Message authentication code*/
+ { DE_NAS_5GS_MM_MICO_IND, "MICO indication" }, /* 9.8.3.21 MICO indication*/
+ { DE_NAS_5GS_MM_NAS_KEY_SET_ID, "NAS key set identifier" }, /* 9.8.3.22 NAS key set identifier*/
+ { DE_NAS_5GS_MM_NAS_MSG_CONT, "NAS message container" }, /* 9.8.3.23 NAS message container*/
+ { DE_NAS_5GS_MM_NAS_SEC_ALGO, "NAS security algorithms" }, /* 9.8.3.24 NAS security algorithms*/
+ { DE_NAS_5GS_MM_NAS_SEC_PAR_NG_RAN, "NAS security parameters to NG-RAN" }, /* 9.8.3.25 NAS security parameters to NG-RAN*/
+ { DE_NAS_5GS_MM_NW_NAME, "Network name" }, /* 9.8.3.26 Network name*/
+ { DE_NAS_5GS_MM_NONCE, "Nonce" }, /* 9.8.3.27 Nonce*/
+ { DE_NAS_5GS_MM_NSSAI, "NSSAI" }, /* 9.8.3.28 NSSAI*/
+ { DE_NAS_5GS_MM_NSSAI_INF_FOR_PDU_SES, "NSSAI info for PDU sessions" }, /* 9.8.3.29 NSSAI info for PDU sessions*/
+ { DE_NAS_5GS_MM_PLD_CONT, "Payload container" }, /* 9.8.3.30 Payload container*/
+ { DE_NAS_5GS_MM_PLD_CONT_TYPE, "Payload container type" }, /* 9.8.3.31 Payload container type*/
+ { DE_NAS_5GS_MM_PDU_SES_REACT_RES, "PDU session reactivation result" }, /* 9.8.3.32 PDU session reactivation result*/
+ { DE_NAS_5GS_MM_PLMN_LIST, "PLMN list" }, /* 9.8.3.33 PLMN list*/
+ { DE_NAS_5GS_MM_OLD_PDU_SES_ID, "Old PDU session identity" }, /* 9.8.3.34 Old PDU session identity*/
+ { DE_NAS_5GS_MM_REJ_NSSAI, "Rejected NSSAI" }, /* 9.8.3.35 Rejected NSSAI*/
+ { DE_NAS_5GS_MM_S1_UE_NW_CAP, "S1 UE network capability" }, /* 9.8.3.36 S1 UE network capability*/
+ { DE_NAS_5GS_MM_S_NSSAI, "S-NSSAI" }, /* 9.8.3.37 S-NSSAI*/
+ { DE_NAS_5GS_MM_SEQ_NO, "Sequence number" }, /* 9.8.3.38 Sequence number*/
+ { DE_NAS_5GS_MM_SAL, "Service area list" }, /* 9.8.3.39 Service area list*/
+ { DE_NAS_5GS_MM_SMS_ALL, "SMS allowed" }, /* 9.8.3.40 SMS allowed*/
+ { DE_NAS_5GS_MM_SMS_REQ, "SMS requested" }, /* 9.8.3.41 SMS requested*/
+ { DE_NAS_5GS_MM_REQ_TYPE, "Request type" }, /* 9.8.3.42 Request type*/
+ { DE_NAS_5GS_MM_SERV_TYPE, "Service type" }, /* 9.8.3.43 Service type*/
+ { DE_NAS_5GS_MM_TAI_ID, "Tracking area identity" }, /* 9.8.3.44 Tracking area identity*/
+ { DE_NAS_5GS_MM_TAI_ID_LIST, "Tracking area identity list" }, /* 9.8.3.45 Tracking area identity list*/
+ { DE_NAS_5GS_MM_TZ, "Time zone" }, /* 9.8.3.46 Time zone*/
+ { DE_NAS_5GS_MM_TZ_AND_T, "Time zone and time" }, /* 9.8.3.47 Time zone and time*/
+ { DE_NAS_5GS_MM_UE_SEC_CAP, "UE security capability" }, /* 9.8.3.48 UE security capability*/
+ { DE_NAS_5GS_MM_UE_STS, "UE status" }, /* 9.8.3.49 UE status*/
+ { 0, NULL }
+};
+value_string_ext nas_5gs_mm_elem_strings_ext = VALUE_STRING_EXT_INIT(nas_5gs_mm_elem_strings);
+
+#define NUM_NAS_5GS_MM_ELEM (sizeof(nas_5gs_mm_elem_strings)/sizeof(value_string))
+gint ett_nas_5gs_mm_elem[NUM_NAS_5GS_MM_ELEM];
+
+guint16(*nas_5gs_mm_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string, int string_len) = {
+ /* 9.8.3 5GS mobility management (5GMM) information elements */
+ de_nas_5gs_mm_5gmm_cap, /* 9.8.3.1 5GMM capability*/
+ de_nas_5gs_mm_5gmm_cause, /* 9.8.3.2 5GMM cause*/
+ de_nas_5gs_mm_5gs_mobile_id, /* 9.8.3.3 5GS mobile identity*/
+ de_nas_5gs_mm_5gs_nw_feat_sup, /* 9.8.3.4 5GS network feature support*/
+ de_nas_5gs_mm_5gs_reg_res, /* 9.8.3.5 5GS registration result*/
+ de_nas_5gs_mm_5gs_reg_type, /* 9.8.3.6 5GS registration type*/
+ de_nas_5gs_mm_allow_pdu_ses_sts, /* 9.8.3.7 Allowed PDU session status*/
+ NULL, /* 9.8.3.8 Authentication parameter AUTN*/
+ NULL, /* 9.8.3.9 Authentication parameter RAND*/
+ de_nas_5gs_mm_conf_upd_ind, /* 9.8.3.10 Configuration update indication*/
+ de_nas_5gs_mm_dlgt_saving_time, /* 9.8.3.11 Daylight saving time*/
+ de_nas_5gs_mm_de_reg_type, /* 9.8.3.12 De-registration type*/
+ de_nas_5gs_mm_dnn, /* 9.8.3.13 DNN*/
+ de_nas_5gs_mm_eap_msg, /* 9.8.3.14 EAP message*/
+ de_nas_5gs_mm_eps_nas_msg_cont, /* 9.8.3.15 EPS NAS message container*/
+ NULL, /* 9.8.3.16 GPRS timer 2*/
+ de_nas_5gs_mm_hashamf, /* 9.8.3.17 HashAMF*/
+ de_nas_5gs_mm_imeisv_req, /* 9.8.3.18 IMEISV request*/
+ de_nas_5gs_mm_ladn_inf, /* 9.8.3.19 LADN information*/
+ de_nas_5gs_mm_msg_auth_code, /* 9.8.3.20 Message authentication code*/
+ de_nas_5gs_mm_mico_ind, /* 9.8.3.21 MICO indication*/
+ de_nas_5gs_mm_nas_key_set_id, /* 9.8.3.22 NAS key set identifier*/
+ de_nas_5gs_mm_nas_msg_cont, /* 9.8.3.23 NAS message container*/
+ de_nas_5gs_mm_nas_sec_algo, /* 9.8.3.24 NAS security algorithms*/
+ de_nas_5gs_mm_nas_sec_par_ng_ran, /* 9.8.3.25 NAS security parameters to NG-RAN*/
+ de_nas_5gs_mm_nw_name, /* 9.8.3.26 Network name*/
+ NULL, /* 9.8.3.27 Nonce*/
+ de_nas_5gs_mm_nssai, /* 9.8.3.28 NSSAI*/
+ de_nas_5gs_mm_nssai_inf_for_pdu_ses, /* 9.8.3.29 NSSAI info for PDU sessions*/
+ de_nas_5gs_mm_pld_cont, /* 9.8.3.30 Payload container*/
+ de_nas_5gs_mm_pld_cont_type, /* 9.8.3.31 Payload container type*/
+ de_nas_5gs_mm_pdu_ses_react_res, /* 9.8.3.32 PDU session reactivation result*/
+ NULL, /* 9.8.3.33 PLMN list*/
+ de_nas_5gs_mm_old_pdu_ses_id, /* 9.8.3.34 Old PDU session identity*/
+ de_nas_5gs_mm_rej_nssai, /* 9.8.3.35 Rejected NSSAI*/
+ NULL, /* 9.8.3.36 S1 UE network capability*/
+ de_nas_5gs_mm_s_nssai, /* 9.8.3.37 S-NSSAI*/
+ de_nas_5gs_mm_seq_no, /* 9.8.3.38 Sequence number*/
+ de_nas_5gs_mm_sal, /* 9.8.3.39 Service area list*/
+ de_nas_5gs_mm_sms_all, /* 9.8.3.40 SMS allowed*/
+ de_nas_5gs_mm_sms_req, /* 9.8.3.41 SMS requested*/
+ de_nas_5gs_mm_req_type, /* 9.8.3.42 Request type*/
+ de_nas_5gs_mm_serv_type, /* 9.8.3.43 Service type*/
+ NULL, /* 9.8.3.44 Tracking area identity*/
+ NULL, /* 9.8.3.45 Tracking area identity list*/
+ NULL, /* 9.8.3.46 Time zone*/
+ NULL, /* 9.8.3.47 Time zone and time*/
+ de_nas_5gs_mm_ue_sec_cap, /* 9.8.3.48 UE security capability*/
+ de_nas_5gs_mm_ue_sts, /* 9.8.3.49 UE status*/
+ NULL, /* NONE */
+};
+
+
+/*
+ * 9.8.4 5GS session management (5GSM) information elements
+ */
+
+typedef enum
+{
+
+ DE_NAS_5GS_SM_5GSM_CAUSE, /* 9.8.4.1 5GSM cause */
+ DE_NAS_5GS_SM_EXT_PROT_CONF_OPT, /* 9.8.4.2 Extended protocol configuration options */
+ DE_NAS_5GS_SM_GPRS_TIMER, /* 9.8.4.3 GPRS timer */
+ DE_NAS_5GS_SM_PDU_ADDRESS, /* 9.8.4.4 PDU address */
+ DE_NAS_5GS_SM_PDU_SESSION_TYPE, /* 9.8.4.5 PDU session type */
+ DE_NAS_5GS_SM_QOS_RULES, /* 9.8.4.6 QoS rules */
+ DE_NAS_5GS_SM_SESSION_AMBR, /* 9.8.4.7 Session-AMBR */
+ DE_NAS_5GS_SM_PDU_DN_REQ_CONT, /* 9.8.4.8 SM PDU DN request container */
+ DE_NAS_5GS_SM_SSC_MODE, /* 9.8.4.9 SSC mode */
+ DE_NAS_5GS_SM_5GSM_CAP, /* 9.8.4.10 5GSM capability */
+ DE_NAS_5GS_SM_NONE /* NONE */
+}
+nas_5gs_sm_elem_idx_t;
+
+
+static const value_string nas_5gs_sm_elem_strings[] = {
+ { DE_NAS_5GS_SM_5GSM_CAUSE, "5GSM cause" }, /* 9.8.4.1 5GSM cause */
+ { DE_NAS_5GS_SM_EXT_PROT_CONF_OPT, "Extended protocol configuration options" }, /* 9.8.4.2 Extended protocol configuration options */
+ { DE_NAS_5GS_SM_GPRS_TIMER, " GPRS timer" }, /* 9.8.4.3 GPRS timer */
+ { DE_NAS_5GS_SM_PDU_ADDRESS, "PDU address" }, /* 9.8.4.4 PDU address */
+ { DE_NAS_5GS_SM_PDU_SESSION_TYPE, "PDU session type" }, /* 9.8.4.5 PDU session type */
+ { DE_NAS_5GS_SM_QOS_RULES, "QoS rules" }, /* 9.8.4.6 QoS rules */
+ { DE_NAS_5GS_SM_SESSION_AMBR, "Session-AMBR" }, /* 9.8.4.7 Session-AMBR */
+ { DE_NAS_5GS_SM_PDU_DN_REQ_CONT, "SM PDU DN request container" }, /* 9.8.4.8 SM PDU DN request container */
+ { DE_NAS_5GS_SM_SSC_MODE, "SSC mode" }, /* 9.8.4.9 SSC mode */
+ { DE_NAS_5GS_SM_5GSM_CAP, "5GSM capability" }, /* 9.8.4.10 5GSM capability */
+
+ { 0, NULL }
+};
+value_string_ext nas_5gs_sm_elem_strings_ext = VALUE_STRING_EXT_INIT(nas_5gs_sm_elem_strings);
+
+#define NUM_NAS_5GS_SM_ELEM (sizeof(nas_5gs_sm_elem_strings)/sizeof(value_string))
+gint ett_nas_5gs_sm_elem[NUM_NAS_5GS_SM_ELEM];
+
+guint16(*nas_5gs_sm_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
+ guint32 offset, guint len,
+ gchar *add_string, int string_len) = {
+ /* 5GS session management (5GSM) information elements */
+ de_nas_5gs_sm_5gsm_cause, /* 9.8.4.1 5GSM cause */
+ de_nas_5gs_sm_ext_prot_conf_opt, /* 9.8.4.2 Extended protocol configuration options */
+ de_nas_5gs_sm_gprs_timer, /* 9.8.4.3 GPRS timer */
+ de_nas_5gs_sm_pdu_address, /* 9.8.4.4 PDU address */
+ de_nas_5gs_sm_pdu_session_type, /* 9.8.4.5 PDU session type */
+ de_nas_5gs_sm_qos_rules, /* 9.8.4.6 QoS rules */
+ de_nas_5gs_sm_session_ambr, /* 9.8.4.7 Session-AMBR */
+ de_nas_5gs_sm_pdu_dn_req_cont, /* 9.8.4.8 SM PDU DN request container */
+ de_nas_5gs_sm_ssc_mode, /* 9.8.4.9 SSC mode */
+ de_nas_5gs_sm_5gsm_cap, /* 9.8.4.10 5GSM capability */
+ NULL, /* NONE */
+};
+
+/* Gap fill msg decoding*/
+static void
+nas_5gs_exp_not_dissected_yet(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+
+ proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_msg_not_dis, tvb, offset, len);
+}
+
+/*
+ * 8.2.1 Authentication request
+ */
+static void
+nas_5gs_mm_authentication_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* ngKSI NAS key set identifier 9.8.3.22 M V 1/2 */
+ /* Spare half octet Spare half octet 9.5 M V 1/2 */
+ proto_tree_add_item(tree, hf_nas_5gs_spare_half_octet, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NAS_KEY_SET_ID, " - ngKSI", ei_nas_eps_missing_mandatory_elemen);
+
+ /*21 Authentication parameter RAND (5G authentication challenge) Authentication parameter RAND 9.8.3.9 O TV 17*/
+ ELEM_MAND_TV(0x21, GSM_A_PDU_TYPE_DTAP, DE_AUTH_PARAM_RAND, " - 5G authentication challenge", ei_nas_eps_missing_mandatory_elemen);
+ /*20 Authentication parameter AUTN (5G authentication challenge) Authentication parameter AUTN 9.8.3.8 O TLV 18*/
+ ELEM_MAND_TLV(0x20, GSM_A_PDU_TYPE_DTAP, DE_AUTH_PARAM_AUTN, " - 5G authentication challeng", ei_nas_eps_missing_mandatory_elemen);
+ /*78 EAP message EAP message 9.8.3.14 O TLV-E 7-1503*/
+ ELEM_OPT_TLV_E(0x78, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_EAP_MSG, NULL);
+
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+/*
+ *8.2.2 Authentication response
+ */
+static void
+nas_5gs_mm_authentication_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /*
+ EAP message EAP message 9.8.3.14 O TLV-E 7-1503
+
+ */
+ ELEM_OPT_TLV_E(0x78, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_EAP_MSG, NULL);
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.3 Authentication failure
+ */
+static void
+nas_5gs_mm_authentication_failure(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* 5GMM cause 5GMM cause 9.8.3.2 M V 1 */
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GMM_CAUSE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+/*
+ * 8.2.4 Authentication reject
+ */
+static void
+nas_5gs_mm_authentication_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ /*guint32 consumed;*/
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.5 Registration request
+ */
+static void
+nas_5gs_mm_registration_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* 5GS registration type 5GS registration type 9.8.3.6 M V 1*/
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GS_REG_TYPE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+ /* ngKSI NAS key set identifier 9.8.3.22 M V 1*/
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NAS_KEY_SET_ID, " - ngKSI", ei_nas_eps_missing_mandatory_elemen);
+
+ /* Mobile identity 5GS mobile identity 9.8.3.3 M LV TBD*/
+ ELEM_MAND_LV(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GS_MOBILE_ID, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+ /*55 NonceUE Nonce 9.8.3.27 O TV 5*/
+ ELEM_OPT_TV(0x55, NAS_PDU_TYPE_EMM, DE_EMM_NONCE, " - NonceUE");
+
+ /*10 5GMM capability 5GMM capability 9.8.3.1 O TLV 4-15*/
+ ELEM_OPT_TLV(0x10, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GMM_CAP, NULL);
+
+ /*2E UE security capability UE security capability 9.8.3.48 O TLV 4-6*/
+ ELEM_OPT_TLV(0x2e, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_UE_SEC_CAP, NULL);
+
+ /*2F Requested NSSAI NSSAI 9.8.3.28 O TLV 4-74*/
+ ELEM_OPT_TLV(0x2f, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NSSAI, " - Requested NSSAI");
+
+ /*52 Last visited registered TAI Tracking area identity 9.8.3.44 O TV 6*/
+ ELEM_OPT_TV(0x52, NAS_PDU_TYPE_EMM, DE_EMM_TRAC_AREA_ID, " - Last visited registered TAI");
+
+ /*30 S1 UE network capability S1 UE network capability 9.8.3.36 O TV 6-13*/
+ ELEM_OPT_TLV(0x30, NAS_PDU_TYPE_EMM, DE_EMM_UE_NET_CAP, NULL);
+
+ /*40 Uplink data status Uplink data status 9.8.2.3 O TLV 4*/
+ ELEM_OPT_TLV(0x40, NAS_5GS_PDU_TYPE_COMMON, DE_NAS_5GS_UL_DATA_STATUS, NULL);
+
+ /*50 PDU session status PDU session status 9.8.2.2 O TLV 4*/
+ ELEM_OPT_TLV(0x50, NAS_5GS_PDU_TYPE_COMMON, DE_NAS_5GS_PDU_SES_STATUS, NULL);
+
+ /*B- MICO indication MICO indication 9.8.3.21 O TV 1*/
+ ELEM_OPT_TV_SHORT(0xb0, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_MICO_IND, NULL);
+
+ /*2B UE status UE status 9.8.3.49 O TLV 3*/
+ ELEM_OPT_TLV(0x2b, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_UE_STS, NULL);
+
+ /*2C Additional GUTI 5GS mobile identity 9.8.3.3 O TLV TBD*/
+ ELEM_OPT_TLV(0x2c, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GS_MOBILE_ID, " - Additional GUTI");
+
+ /*2D NSSAI info for PDU sessions NSSAI info for PDU sessions 9.8.3.29 O TLV 6-90*/
+ ELEM_OPT_TLV(0x2d, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NSSAI_INF_FOR_PDU_SES, NULL);
+
+ /*C- SMS requested SMS requested 9.8.3.41 O TV 1*/
+ ELEM_OPT_TV_SHORT(0xc0, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_SMS_REQ, NULL);
+
+ /*7C EPS NAS message container EPS NAS message container 9.8.3.15 O TLV-E TBD*/
+ ELEM_OPT_TLV_E(0x7c, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_EPS_NAS_MSG_CONT, NULL);
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.6 Registration accept
+ */
+
+static void
+nas_5gs_mm_registration_accept(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* 5GS registration result 5GS registration result 9.8.3.5 M V TBD*/
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GS_REG_RES, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+ /*2C 5G-GUTI 5GS mobile identity 9.8.3.3 O TLV TBD*/
+ ELEM_OPT_TLV(0x2c, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GS_MOBILE_ID, " - 5G-GUTI");
+
+ /*4A Equivalent PLMNs PLMN list 9.8.3.33 O TLV 5-47*/
+ ELEM_OPT_TLV(0x4a, GSM_A_PDU_TYPE_COMMON, DE_PLMN_LIST, " - Equivalent PLMNs");
+ /*54 TAI list Tracking area identity list 9.8.3.45 O TLV 8-98*/
+ ELEM_OPT_TLV(0x54, NAS_PDU_TYPE_EMM, DE_EMM_TRAC_AREA_ID_LST, NULL);
+ /*70 Allowed NSSAI NSSAI 9.8.3.28 O TLV 4-74*/
+ ELEM_OPT_TLV(0x70, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NSSAI, " - Allowed NSSAI");
+ /*11 Rejected NSSAI Rejected NSSAI 9.8.3.35 O TLV 4-42*/
+ ELEM_OPT_TLV(0x11, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_REJ_NSSAI, NULL);
+ /*wx 5GS network feature support 5GS network feature support 9.8.3.4 O TBD TBD*/
+
+ /*50 PDU session status PDU session status 9.8.2.2 O TLV 4*/
+ ELEM_OPT_TLV(0x50, NAS_5GS_PDU_TYPE_COMMON, DE_NAS_5GS_PDU_SES_STATUS, NULL);
+ /*26 PDU session reactivation result PDU session reactivation result 9.8.3.32 O TLV 4-32*/
+ ELEM_OPT_TLV(0x26, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_PDU_SES_REACT_RES, NULL);
+ /*79 LADN information LADN information 9.8.3.19 O TLV-E 11-1579*/
+ ELEM_OPT_TLV(0x79, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_LADN_INF, NULL);
+ /*B- MICO indication MICO indication 9.8.3.21 O TV 1*/
+ ELEM_OPT_TV_SHORT(0xb0, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_MICO_IND, NULL);
+ /*D- SMS allowed SMS allowed 9.8.3.40 O TV 1*/
+ ELEM_OPT_TV_SHORT(0xd0, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_SMS_ALL, NULL);
+
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.7 Registration complete
+ */
+static void
+nas_5gs_mm_registration_complete(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+/*
+* 8.2.8 Registration reject
+*/
+static void
+nas_5gs_mm_registration_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* 5GMM cause 5GMM cause 9.8.3.2 M V 1 */
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_5GMM_CAUSE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+ /* 5F T3346 value GPRS timer 2 9.8.3.16 O TLV 3 */
+ ELEM_OPT_TLV(0x5F, GSM_A_PDU_TYPE_GM, DE_GPRS_TIMER_2, " - T3346 value");
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.9 UL NAS transport
+ */
+static void
+nas_5gs_mm_ul_nas_transp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /*Payload container type Payload container type 9.8.3.31 M V 1/2 */
+ /*Spare half octet Spare half octet 9.5 M V 1/2*/
+ proto_tree_add_item(tree, hf_nas_5gs_spare_half_octet, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_PLD_CONT_TYPE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+
+ /*Payload container Payload container 9.8.3.30 M LV-E 3-65537*/
+ /*PDU session ID PDU session identity 9.4 C V 1*/
+ /*70 Old PDU session ID Old PDU session identity 9.8.3.34 O TV 2*/
+ /*8- Request type Request type 9.8.3.42 O TV 1*/
+ /*22 S-NSSAI S-NSSAI 9.8.3.37 O TLV 3-10*/
+ /*25 DNN DNN 9.8.3.13 O TLV 3-102*/
+ /*24 Additional information Additional information 9.8.2.1 O TLV 3-n*/
+
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+* 8.2.10 DL NAS transport
+*/
+static void
+nas_5gs_mm_dl_nas_transp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /*Payload container type Payload container type 9.8.3.31 M V 1/2 */
+ /*Spare half octet Spare half octet 9.5 M V 1/2*/
+ proto_tree_add_item(tree, hf_nas_5gs_spare_half_octet, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_PLD_CONT_TYPE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+
+ /*Payload container Payload container 9.8.3.30 M LV-E 3-65537*/
+ /*PDU session ID PDU session identity 9.4 C V 1*/
+ /*24 Additional information Additional information 9.8.2.1 O TLV 3-n*/
+
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+/*
+ * 8.2.11 De-registration request (UE originating de-registration)
+ */
+static void
+nas_5gs_mm_de_reg_req_ue_orig(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /* De-registration type De-registration type 9.8.3.12 M V 1 */
+ ELEM_MAND_V(NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_DE_REG_TYPE, NULL, ei_nas_eps_missing_mandatory_elemen);
+
+ /*5GS mobile identity 5GS mobile identity 9.8.3.3 M TLV TBD*/
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+
+#if 0
+Template:
+/*
+ * 8.2.2 Authentication response
+ */
+static void
+nas_5gs_mm_authentication_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
+{
+ guint32 curr_offset;
+ guint32 consumed;
+ guint curr_len;
+
+ curr_offset = offset;
+ curr_len = len;
+
+ /*
+
+ */
+
+ EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_nas_5gs_extraneous_data);
+
+}
+#endif
+
+
+/* 9.7 Message type */
+
+/* 5GS mobility management messages */
+static const value_string nas_5gs_mm_message_type_vals[] = {
+ { 0x41, "Registration request"},
+ { 0x42, "Registration accept"},
+ { 0x43, "Registration complete"},
+ { 0x44, "Registration reject"},
+ { 0x45, "Deregistration request (UE originating)"},
+ { 0x46, "Deregistration accept (UE originating)"},
+ { 0x47, "Deregistration request (UE terminated)"},
+ { 0x48, "Deregistration accept (UE terminated)"},
+
+ { 0x49, "Nout used in v 0.3.1"},
+ { 0x4a, "Nout used in v 0.3.1" },
+ { 0x4b, "Nout used in v 0.3.1" },
+
+ { 0x4c, "Service request"},
+ { 0x4d, "Service reject"},
+ { 0x4e, "Service accept"},
+
+ { 0x4f, "Nout used in v 0.3.1" },
+ { 0x50, "Nout used in v 0.3.1" },
+ { 0x51, "Nout used in v 0.3.1" },
+ { 0x52, "Nout used in v 0.3.1" },
+ { 0x53, "Nout used in v 0.3.1" },
+
+ { 0x54, "Configuration update command"},
+ { 0x55, "Configuration update complete"},
+ { 0x56, "Authentication request"},
+ { 0x57, "Authentication response"},
+ { 0x58, "Authentication reject"},
+ { 0x59, "Authentication failure"},
+ { 0x5a, "Identity request"},
+ { 0x5b, "Identity response"},
+ { 0x5c, "Security mode command"},
+ { 0x5d, "Security mode complete"},
+ { 0x5e, "Security mode reject"},
+
+ { 0x5f, "Nout used in v 0.3.1" },
+ { 0x60, "Nout used in v 0.3.1" },
+ { 0x61, "Nout used in v 0.3.1" },
+ { 0x62, "Nout used in v 0.3.1" },
+ { 0x63, "Nout used in v 0.3.1" },
+
+ { 0x64, "5GMM status"},
+ { 0x65, "Notification"},
+ { 0x66, "DL NAS transport"},
+ { 0x67, "UL NAS transport"},
+ { 0, NULL }
+};
+
+static value_string_ext nas_5gs_mm_msg_strings_ext = VALUE_STRING_EXT_INIT(nas_5gs_mm_message_type_vals);
+
+#define NUM_NAS_5GS_MM_MSG (sizeof(nas_5gs_mm_message_type_vals)/sizeof(value_string))
+static gint ett_nas_5gs_mm_msg[NUM_NAS_5GS_MM_MSG];
+static void(*nas_5gs_mm_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len) = {
+ nas_5gs_mm_registration_req, /* 0x41 Registration request */
+ nas_5gs_mm_registration_accept, /* 0x42 Registration accept */
+ nas_5gs_mm_registration_complete, /* 0x43 Registration complete */
+ nas_5gs_mm_registration_rej, /* 0x44 Registration reject */
+ nas_5gs_mm_de_reg_req_ue_orig, /* 0x45 Deregistration request (UE originating) */
+ nas_5gs_exp_not_dissected_yet, /* 0x46 Deregistration accept (UE originating) */
+ nas_5gs_exp_not_dissected_yet, /* 0x47 Deregistration request (UE terminated) */
+ nas_5gs_exp_not_dissected_yet, /* 0x48 Deregistration accept (UE terminated) */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x49 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x4a Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x4b Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x4c Service request */
+ nas_5gs_exp_not_dissected_yet, /* 0x4d Service reject */
+ nas_5gs_exp_not_dissected_yet, /* 0x4e Service accept */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x4f Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x50 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x51 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x52 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x53 Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x54 Configuration update command */
+ nas_5gs_exp_not_dissected_yet, /* 0x55 Configuration update complete */
+ nas_5gs_mm_authentication_req, /* 0x56 Authentication request */
+ nas_5gs_mm_authentication_resp, /* 0x57 Authentication response */
+ nas_5gs_mm_authentication_rej, /* 0x58 Authentication reject */
+ nas_5gs_mm_authentication_failure, /* 0x59 Authentication failure */
+ nas_5gs_exp_not_dissected_yet, /* 0x5a Identity request */
+ nas_5gs_exp_not_dissected_yet, /* 0x5b Identity response */
+ nas_5gs_exp_not_dissected_yet, /* 0x5c Security mode command */
+ nas_5gs_exp_not_dissected_yet, /* 0x5d Security mode complete */
+ nas_5gs_exp_not_dissected_yet, /* 0x5e Security mode reject */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x5f Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x60 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x61 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x62 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0x63 Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0x64 5GMM status */
+ nas_5gs_exp_not_dissected_yet, /* 0x65 Notification */
+ nas_5gs_mm_dl_nas_transp, /* 0x66 DL NAS transport */
+ nas_5gs_mm_ul_nas_transp, /* 0x67 UL NAS transport */
+
+ NULL, /* NONE */
+
+};
+
+
+ /* 5GS session management messages */
+ static const value_string nas_5gs_sm_message_type_vals[] = {
+
+ { 0xc1, "PDU session establishment request"},
+ { 0xc2, "PDU session establishment accept"},
+ { 0xc3, "PDU session establishment reject"},
+
+ { 0xc4, "PDU session authentication request"},
+ { 0xc5, "PDU session authentication accept"},
+
+ { 0xc6, "Nout used in v 0.3.1" },
+ { 0xc7, "Nout used in v 0.3.1" },
+ { 0xc8, "Nout used in v 0.3.1" },
+
+ { 0xc9, "PDU session modification request"},
+ { 0xca, "PDU session modification reject"},
+ { 0xcb, "PDU session modification command"},
+
+ { 0xcc, "Nout used in v 0.3.1" },
+
+ { 0xcd, "PDU session modification complete"},
+ { 0xce, "PDU session modification command reject"},
+
+ { 0xcf, "Nout used in v 0.3.1" },
+ { 0xd0, "Nout used in v 0.3.1" },
+
+ { 0xd1, "PDU session release request"},
+ { 0xd2, "PDU session release reject"},
+ { 0xd3, "PDU session release command"},
+ { 0xd4, "PDU session release complete"},
+
+ { 0xd5, "Nout used in v 0.3.1" },
+
+ { 0xd6, "5GSM status"},
+ { 0, NULL }
+};
+static value_string_ext nas_5gs_sm_msg_strings_ext = VALUE_STRING_EXT_INIT(nas_5gs_sm_message_type_vals);
+
+#define NUM_NAS_5GS_SM_MSG (sizeof(nas_5gs_sm_message_type_vals)/sizeof(value_string))
+static gint ett_nas_5gs_sm_msg[NUM_NAS_5GS_SM_MSG];
+
+static void(*nas_5gs_sm_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len) = {
+ nas_5gs_exp_not_dissected_yet, /* 0xc1 PDU session establishment request */
+ nas_5gs_exp_not_dissected_yet, /* 0xc2 PDU session establishment accept */
+ nas_5gs_exp_not_dissected_yet, /* 0xc3 PDU session establishment reject */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xc4 PDU session authentication request */
+ nas_5gs_exp_not_dissected_yet, /* 0xc5 PDU session authentication accept */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xc6 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0xc7 Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0xc8 Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xc9 PDU session modification request */
+ nas_5gs_exp_not_dissected_yet, /* 0xca PDU session modification reject */
+ nas_5gs_exp_not_dissected_yet, /* 0xcb PDU session modification command */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xcc Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xcd PDU session modification complete */
+ nas_5gs_exp_not_dissected_yet, /* 0xce PDU session modification command reject */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xcf Nout used in v 0.3.1 */
+ nas_5gs_exp_not_dissected_yet, /* 0xd0 Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xd1 PDU session release request */
+ nas_5gs_exp_not_dissected_yet, /* 0xd2 PDU session release reject */
+ nas_5gs_exp_not_dissected_yet, /* 0xd3 PDU session release command */
+ nas_5gs_exp_not_dissected_yet, /* 0xd4 PDU session release complete */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xd5 Nout used in v 0.3.1 */
+
+ nas_5gs_exp_not_dissected_yet, /* 0xd6 5GSM status */
+
+ NULL, /* NONE */
+
+};
+
+
+
+static void
+get_nas_5gsmm_msg_params(guint8 oct, const gchar **msg_str, int *ett_tree, int *hf_idx, msg_fcn *msg_fcn_p)
+{
+ gint idx;
+
+ *msg_str = try_val_to_str_idx_ext((guint32)(oct & 0xff), &nas_5gs_mm_msg_strings_ext, &idx);
+ *hf_idx = hf_nas_5gs_mm_msg_type;
+ if (*msg_str != NULL) {
+ *ett_tree = ett_nas_5gs_mm_msg[idx];
+ *msg_fcn_p = nas_5gs_mm_msg_fcn[idx];
+ }
+
+ return;
+}
+
+static void
+get_nas_5gssm_msg_params(guint8 oct, const gchar **msg_str, int *ett_tree, int *hf_idx, msg_fcn *msg_fcn_p)
+{
+ gint idx;
+
+ *msg_str = try_val_to_str_idx_ext((guint32)(oct & 0xff), &nas_5gs_sm_msg_strings_ext, &idx);
+ *hf_idx = hf_nas_5gs_sm_msg_type;
+ if (*msg_str != NULL) {
+ *ett_tree = ett_nas_5gs_sm_msg[idx];
+ *msg_fcn_p = nas_5gs_sm_msg_fcn[idx];
+ }
+
+ return;
+}
+static void
+dissect_nas_5gs_sm_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
+{
+ const gchar *msg_str;
+ guint32 len;
+ gint ett_tree;
+ int hf_idx;
+ void(*msg_fcn_p)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len);
+ guint8 oct;
+
+ len = tvb_reported_length(tvb);
+
+ /* Message type IE*/
+ oct = tvb_get_guint8(tvb, offset);
+ msg_fcn_p = NULL;
+ ett_tree = -1;
+ hf_idx = -1;
+ msg_str = NULL;
+
+ get_nas_5gssm_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn_p);
+
+ if (msg_str) {
+ col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, msg_str);
+ }
+ else {
+ proto_tree_add_expert_format(tree, pinfo, &ei_nas_5gs_sm_unknown_msg_type, tvb, offset, 1, "Unknown Message Type 0x%02x", oct);
+ return;
+ }
+
+ /*
+ * Add NAS message name
+ */
+ proto_tree_add_item(tree, hf_idx, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+
+ /*
+ * decode elements
+ */
+ if (msg_fcn_p == NULL)
+ {
+ if (tvb_reported_length_remaining(tvb, offset)) {
+ proto_tree_add_item(tree, hf_nas_5gs_msg_elems, tvb, offset, len - offset, ENC_NA);
+ }
+ }
+ else
+ {
+ (*msg_fcn_p)(tvb, tree, pinfo, offset, len - offset);
+ }
+
+}
+
+static void
+disect_nas_5gs_mm_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
+{
+
+ const gchar *msg_str;
+ guint32 len;
+ gint ett_tree;
+ int hf_idx;
+ void(*msg_fcn_p)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len);
+ guint8 oct;
+
+ len = tvb_reported_length(tvb);
+
+ /* Message type IE*/
+ oct = tvb_get_guint8(tvb, offset);
+ msg_fcn_p = NULL;
+ ett_tree = -1;
+ hf_idx = -1;
+ msg_str = NULL;
+
+ get_nas_5gsmm_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn_p);
+
+ if (msg_str) {
+ col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, msg_str);
+ }
+ else {
+ proto_tree_add_expert_format(tree, pinfo, &ei_nas_5gs_mm_unknown_msg_type, tvb, offset, 1, "Unknown Message Type 0x%02x", oct);
+ return;
+ }
+
+ /*
+ * Add NAS message name
+ */
+ proto_tree_add_item(tree, hf_idx, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+
+ /*
+ * decode elements
+ */
+ if (msg_fcn_p == NULL)
+ {
+ if (tvb_reported_length_remaining(tvb, offset)) {
+ proto_tree_add_item(tree, hf_nas_5gs_msg_elems, tvb, offset, len - offset, ENC_NA);
+ }
+ }
+ else
+ {
+ (*msg_fcn_p)(tvb, tree, pinfo, offset, len - offset);
+ }
+
+}
+
+
+static int
+dissect_nas_5gs(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+
+ proto_item *item;
+ proto_tree *nas_5gs_tree;
+ int offset = 0;
+ guint32 epd;
+
+ /* make entry in the Protocol column on summary display */
+ col_append_sep_str(pinfo->cinfo, COL_PROTOCOL, "/", "NAS-5GS");
+
+ item = proto_tree_add_item(tree, proto_nas_5gs, tvb, 0, -1, ENC_NA);
+ nas_5gs_tree = proto_item_add_subtree(item, ett_nas_5gs);
+
+ /* Extended protocol discriminator octet 1 */
+ proto_tree_add_item_ret_uint(nas_5gs_tree, hf_nas_5gs_epd, tvb, offset, 1, ENC_BIG_ENDIAN, &epd);
+ offset++;
+ /* Security header type associated with a spare half octet; or
+ * PDU session identity octet 2
+ */
+ switch (epd) {
+ case TGPP_PD_5GMM:
+ /* 9.5 Spare half octet
+ * Bits 5 to 8 of the second octet of every 5GMM message contains the spare half octet
+ * which is filled with spare bits set to zero.
+ */
+ proto_tree_add_item(nas_5gs_tree, hf_nas_5gs_spare_half_octet, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(nas_5gs_tree, hf_nas_5gs_security_header_type, tvb, offset, 1, ENC_BIG_ENDIAN);
+ break;
+ case TGPP_PD_5GSM:
+ /* 9.4 PDU session identity
+ * Bits 1 to 8 of the second octet of every 5GSM message contain the PDU session identity IE.
+ * The PDU session identity and its use to identify a message flow are defined in 3GPP TS 24.007
+ */
+ proto_tree_add_item(nas_5gs_tree, hf_nas_5gs_pdu_session_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+ break;
+ default:
+ proto_tree_add_expert_format(nas_5gs_tree, pinfo, &ei_nas_5gs_unknown_pd, tvb, offset, -1, "Not a NAS 5GS PD %u (%s)",
+ epd, val_to_str_const(epd, nas_5gs_epd_vals, "Unknown"));
+ break;
+
+ }
+ offset++;
+
+ /* 9.6 Procedure transaction identity
+ * Bits 1 to 8 of the third octet of every 5GSM message contain the procedure transaction identity.
+ * The procedure transaction identity and its use are defined in 3GPP TS 24.007
+ * XXX Only 5GSM ?
+ */
+ proto_tree_add_item(nas_5gs_tree, hf_nas_5gs_proc_trans_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+
+ switch (epd) {
+ case TGPP_PD_5GMM:
+ /* 5GS mobility management messages */
+ disect_nas_5gs_mm_msg(tvb, pinfo, nas_5gs_tree, offset);
+ break;
+ case TGPP_PD_5GSM:
+ /* 5GS session management messages. */
+ dissect_nas_5gs_sm_msg(tvb, pinfo, nas_5gs_tree, offset);
+ break;
+ default:
+ DISSECTOR_ASSERT_NOT_REACHED();
+ break;
+ }
+
+ return tvb_reported_length(tvb);
+}
+
+void
+proto_register_nas_5gs(void)
+{
+
+ /* List of fields */
+
+ static hf_register_info hf[] = {
+ { &hf_nas_5gs_epd,
+ { "Extended protocol discriminator", "nas_5gs.epd",
+ FT_UINT8, BASE_DEC, VALS(nas_5gs_epd_vals), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_security_header_type,
+ { "Security header type", "nas_5gs.security_header_type",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_msg_type,
+ { "Message type", "nas_5gs.mm.message_type",
+ FT_UINT8, BASE_HEX | BASE_EXT_STRING, &nas_5gs_mm_msg_strings_ext, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_sm_msg_type,
+ { "Message type", "nas_5gs.sm.message_type",
+ FT_UINT8, BASE_HEX | BASE_EXT_STRING, &nas_5gs_sm_msg_strings_ext, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_common_elem_id,
+ { "Element ID", "nas_5gs.common.elem_id",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_elem_id,
+ { "Element ID", "nas_5gs.mm.elem_id",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_sm_elem_id,
+ { "Element ID", "nas_5gs.sm.elem_id",
+ FT_UINT8, BASE_HEX, NULL, 0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_proc_trans_id,
+ { "Procedure transaction identity", "nas_5gs.proc_trans_id",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_spare_half_octet,
+ { "Spare Half Octet", "nas_5gs.spare_half_octet",
+ FT_UINT8, BASE_DEC, NULL, 0xf0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_pdu_session_id,
+ { "PDU session identity", "nas_5gs.pdu_session_id",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_msg_elems,
+ { "Message Elements", "nas_5gs.message_elements",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_for,
+ { "Follow-On Request bit (FOR)", "nas_5gs.mm.for",
+ FT_BOOLEAN, 8, TFS(&nas_5gs_for_tfs), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_5gs_reg_type,
+ { "5GS registration type", "nas_5gs.mm.5gs_reg_type",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_tsc,
+ { "Type of security context flag (TSC)", "nas_5gs.mm.tsc",
+ FT_BOOLEAN, 8, TFS(&nas_5gs_mm_tsc_tfs), 0x08,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_nas_key_set_id,
+ { "NAS key set identifier", "nas_5gs.mm.nas_key_set_id",
+ FT_UINT8, BASE_DEC, NULL, 0x03,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_5gmm_cause,
+ { "5GMM cause", "nas_5gs.mm.5gmm_cause",
+ FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_cause_vals), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_pld_cont_type,
+ { "5GMM cause", "nas_5gs.mm.pld_cont_type",
+ FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_pld_cont_type_vals), 0x0f,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_switch_off,
+ { "Switch off", "nas_5gs.mm.switch_off",
+ FT_BOOLEAN, 8, TFS(&nas_5gs_mm_switch_off_tfs), 0x08,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_re_reg_req,
+ { "Re-registration required", "nas_5gs.mm.re_reg_req",
+ FT_BOOLEAN, 8, TFS(&nas_5gs_mm_re_reg_req_tfs), 0x04,
+ NULL, HFILL }
+ },
+ { &hf_nas_5gs_mm_acc_type,
+ { "Access type", "nas_5gs.mm.acc_type",
+ FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_acc_type_vals), 0x03,
+ NULL, HFILL }
+ },
+ };
+
+ guint i;
+ guint last_offset;
+
+ /* Setup protocol subtree array */
+#define NUM_INDIVIDUAL_ELEMS 1
+ gint *ett[NUM_INDIVIDUAL_ELEMS +
+ NUM_NAS_5GS_COMMON_ELEM +
+ NUM_NAS_5GS_MM_MSG + NUM_NAS_5GS_MM_ELEM +
+ NUM_NAS_5GS_SM_MSG + NUM_NAS_5GS_SM_ELEM
+ ];
+
+ ett[0] = &ett_nas_5gs;
+
+ last_offset = NUM_INDIVIDUAL_ELEMS;
+
+ for (i = 0; i < NUM_NAS_5GS_COMMON_ELEM; i++, last_offset++)
+ {
+ ett_nas_5gs_common_elem[i] = -1;
+ ett[last_offset] = &ett_nas_5gs_common_elem[i];
+ }
+
+ /* MM */
+ for (i = 0; i < NUM_NAS_5GS_MM_MSG; i++, last_offset++)
+ {
+ ett_nas_5gs_mm_msg[i] = -1;
+ ett[last_offset] = &ett_nas_5gs_mm_msg[i];
+ }
+
+ for (i = 0; i < NUM_NAS_5GS_MM_ELEM; i++, last_offset++)
+ {
+ ett_nas_5gs_mm_elem[i] = -1;
+ ett[last_offset] = &ett_nas_5gs_mm_elem[i];
+ }
+
+ for (i = 0; i < NUM_NAS_5GS_SM_MSG; i++, last_offset++)
+ {
+ ett_nas_5gs_sm_msg[i] = -1;
+ ett[last_offset] = &ett_nas_5gs_sm_msg[i];
+ }
+
+ for (i = 0; i < NUM_NAS_5GS_SM_ELEM; i++, last_offset++)
+ {
+ ett_nas_5gs_sm_elem[i] = -1;
+ ett[last_offset] = &ett_nas_5gs_sm_elem[i];
+ }
+
+ static ei_register_info ei[] = {
+ { &ei_nas_5gs_extraneous_data, { "nas_5gs.extraneous_data", PI_PROTOCOL, PI_NOTE, "Extraneous Data, dissector bug or later version spec(report to wireshark.org)", EXPFILL }},
+ { &ei_nas_5gs_unknown_pd,{ "nas_5gs.unknown_pd", PI_PROTOCOL, PI_ERROR, "Unknown protocol discriminator", EXPFILL } },
+ { &ei_nas_5gs_mm_unknown_msg_type,{ "nas_5gs.mm.unknown_msg_type", PI_PROTOCOL, PI_WARN, "Unknown Message Type", EXPFILL } },
+ { &ei_nas_5gs_sm_unknown_msg_type,{ "nas_5gs.sm.unknown_msg_type", PI_PROTOCOL, PI_WARN, "Unknown Message Type", EXPFILL } },
+ { &ei_nas_5gs_msg_not_dis,{ "nas_5gs.msg_not_dis", PI_PROTOCOL, PI_WARN, "MSG IEs not dissected yet", EXPFILL } },
+ { &ei_nas_5gs_ie_not_dis,{ "nas_5gs.ie_not_dis", PI_PROTOCOL, PI_WARN, "IE not dissected yet", EXPFILL } },
+ { &ei_nas_eps_missing_mandatory_elemen,{ "nas_5gs.missing_mandatory_element", PI_PROTOCOL, PI_ERROR, "Missing Mandatory element, rest of dissection is suspect", EXPFILL } },
+ };
+
+ expert_module_t* expert_nas_5gs;
+
+ /* Register protocol */
+ proto_nas_5gs = proto_register_protocol(PNAME, PSNAME, PFNAME);
+ /* Register fields and subtrees */
+ proto_register_field_array(proto_nas_5gs, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ expert_nas_5gs = expert_register_protocol(proto_nas_5gs);
+ expert_register_field_array(expert_nas_5gs, ei, array_length(ei));
+
+ /* Register dissector */
+ register_dissector(PFNAME, dissect_nas_5gs, proto_nas_5gs);
+
+}
+
+void
+proto_reg_handoff_nas_5gs(void)
+{
+
+}
+
+/*
+* Editor modelines
+*
+* Local Variables:
+* c-basic-offset: 4
+* tab-width: 8
+* indent-tabs-mode: nil
+* End:
+*
+* ex: set shiftwidth=4 tabstop=8 expandtab:
+* :indentSize=4:tabSize=8:noTabs=true:
+*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 09:58:52 +0000