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/* 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 : 3 GPP 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 ) ;
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static dissector_handle_t eap_handle = NULL ;
static dissector_handle_t nas_eps_handle = NULL ;
static dissector_handle_t nas_eps_plain_handle = NULL ;
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# 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 ;
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static int hf_nas_5gs_spare_b7 = - 1 ;
static int hf_nas_5gs_spare_b6 = - 1 ;
static int hf_nas_5gs_spare_b5 = - 1 ;
static int hf_nas_5gs_spare_b4 = - 1 ;
static int hf_nas_5gs_spare_b3 = - 1 ;
static int hf_nas_5gs_spare_b2 = - 1 ;
static int hf_nas_5gs_spare_b1 = - 1 ;
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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 ;
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static int hf_nas_5gs_mm_sst = - 1 ;
static int hf_nas_5gs_mm_sd = - 1 ;
static int hf_nas_5gs_mm_mapped_conf_sst = - 1 ;
static int hf_nas_5gs_mm_mapped_conf_ssd = - 1 ;
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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 ;
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static int hf_nas_5gs_mm_dnn = - 1 ;
static int hf_nas_5gs_mm_hash_amf = - 1 ;
static int hf_nas_5gs_mm_raai_b0 = - 1 ;
static int hf_nas_5gs_mm_conf_upd_ind_ack_b0 = - 1 ;
static int hf_nas_5gs_mm_conf_upd_ind_red_b1 = - 1 ;
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static int hf_nas_5gs_mm_nas_sec_algo_enc = - 1 ;
static int hf_nas_5gs_mm_nas_sec_algo_ip = - 1 ;
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static int hf_nas_5gs_mm_nonceamf = - 1 ;
static int hf_nas_5gs_mm_s1_mode_b0 = - 1 ;
static int hf_nas_5gs_mm_type_id = - 1 ;
static int hf_nas_5gs_mm_odd_even = - 1 ;
static int hf_nas_5gs_mm_length = - 1 ;
static int hf_nas_5gs_mm_pdu_ses_id = - 1 ;
static int hf_nas_5gs_mm_old_pdu_ses_id = - 1 ;
static int hf_nas_5gs_mm_pld_cont = - 1 ;
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static int hf_nas_5gs_mm_all_acc_b1b0 = - 1 ;
static int hf_nas_5gs_mm_sup_acc_b1b0 = - 1 ;
static int hf_nas_5gs_mm_req_type = - 1 ;
static int hf_nas_5gs_mm_serv_type = - 1 ;
static int hf_nas_5gs_mm_5g_ea0 = - 1 ;
static int hf_nas_5gs_mm_128_5g_ea1 = - 1 ;
static int hf_nas_5gs_mm_128_5g_ea2 = - 1 ;
static int hf_nas_5gs_mm_128_5g_ea3 = - 1 ;
static int hf_nas_5gs_mm_5g_ea4 = - 1 ;
static int hf_nas_5gs_mm_5g_ea5 = - 1 ;
static int hf_nas_5gs_mm_5g_ea6 = - 1 ;
static int hf_nas_5gs_mm_5g_ea7 = - 1 ;
static int hf_nas_5gs_mm_5g_ia0 = - 1 ;
static int hf_nas_5gs_mm_5g_128_ia1 = - 1 ;
static int hf_nas_5gs_mm_5g_128_ia2 = - 1 ;
static int hf_nas_5gs_mm_5g_128_ia3 = - 1 ;
static int hf_nas_5gs_mm_5g_ia4 = - 1 ;
static int hf_nas_5gs_mm_5g_ia5 = - 1 ;
static int hf_nas_5gs_mm_5g_ia6 = - 1 ;
static int hf_nas_5gs_mm_5g_ia7 = - 1 ;
static int hf_nas_5gs_mm_eea0 = - 1 ;
static int hf_nas_5gs_mm_128eea1 = - 1 ;
static int hf_nas_5gs_mm_128eea2 = - 1 ;
static int hf_nas_5gs_mm_eea3 = - 1 ;
static int hf_nas_5gs_mm_eea4 = - 1 ;
static int hf_nas_5gs_mm_eea5 = - 1 ;
static int hf_nas_5gs_mm_eea6 = - 1 ;
static int hf_nas_5gs_mm_eea7 = - 1 ;
static int hf_nas_5gs_mm_eia0 = - 1 ;
static int hf_nas_5gs_mm_128eia1 = - 1 ;
static int hf_nas_5gs_mm_128eia2 = - 1 ;
static int hf_nas_5gs_mm_eia3 = - 1 ;
static int hf_nas_5gs_mm_eia4 = - 1 ;
static int hf_nas_5gs_mm_eia5 = - 1 ;
static int hf_nas_5gs_mm_eia6 = - 1 ;
static int hf_nas_5gs_mm_eia7 = - 1 ;
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static int hf_nas_5gs_mm_s1_mode_reg_b0 = - 1 ;
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static int hf_nas_5gs_sm_pdu_session_type = - 1 ;
static int hf_nas_5gs_sm_sc_mode = - 1 ;
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static int hf_nas_5gs_sm_rqos_b0 = - 1 ;
static int hf_nas_5gs_sm_5gsm_cause = - 1 ;
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static int hf_nas_5gs_sm_pdu_ses_type = - 1 ;
static int hf_nas_5gs_sm_pdu_addr_inf_ipv4 = - 1 ;
static int hf_nas_5gs_sm_pdu_addr_inf_ipv6 = - 1 ;
static int hf_nas_5gs_sm_qos_rule_id = - 1 ;
static int hf_nas_5gs_sm_length = - 1 ;
static int hf_nas_5gs_sm_rop = - 1 ;
static int hf_nas_5gs_sm_dqr = - 1 ;
static int hf_nas_5gs_sm_nof_pkt_filters = - 1 ;
static int hf_nas_5gs_sm_pkt_flt_id = - 1 ;
static int hf_nas_5gs_sm_pkt_flt_dir = - 1 ;
static int hf_nas_5gs_sm_pf_len = - 1 ;
static int hf_nas_5gs_sm_pf_type = - 1 ;
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static int ett_nas_5gs = - 1 ;
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static int ett_nas_5gs_mm_nssai = - 1 ;
static int ett_nas_5gs_mm_pdu_ses_id = - 1 ;
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static int ett_nas_5gs_sm_qos_rules = - 1 ;
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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 ;
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static expert_field ei_nas_5gs_missing_mandatory_elemen = EI_INIT ;
static expert_field ei_nas_5gs_dnn_too_long = EI_INIT ;
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static expert_field ei_nas_5gs_unknown_value = EI_INIT ;
static expert_field ei_nas_5gs_num_pkt_flt = EI_INIT ;
static expert_field ei_nas_5gs_not_diss = EI_INIT ;
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static guint16 de_nas_5gs_mm_s_nssai ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ , guint32 offset , guint len , gchar * add_string _U_ , int string_len _U_ ) ;
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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 }
} ;
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# define TGPP_PD_5GMM 0x7e
# define TGPP_PD_5GSM 0x2e
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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 " } ,
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{ TGPP_PD_5GSM , " 5G session management messages " } ,
{ TGPP_PD_5GMM , " 5G mobility management messages " } ,
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{ 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 5 GS mobility management ( 5 GMM ) information elements
*/
/*
* 9.8 .3 .1 5 GMM capability
*/
static guint16
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de_nas_5gs_mm_5gmm_cap ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b7 ,
& hf_nas_5gs_spare_b6 ,
& hf_nas_5gs_spare_b5 ,
& hf_nas_5gs_spare_b4 ,
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_spare_b1 ,
& hf_nas_5gs_mm_s1_mode_b0 ,
NULL
} ;
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proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 9.8 .3 .2 5 GMM 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 5 GS mobile identity
*/
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static const value_string nas_5gs_mm_type_id_vals [ ] = {
{ 0x1 , " SUCI " } ,
{ 0x3 , " IMEI " } ,
{ 0x4 , " 5G-TMSI " } ,
{ 0x6 , " 5G-GUTI " } ,
{ 0 , NULL }
} ;
static true_false_string nas_5gs_odd_even_tfs = {
" Odd number of identity digits " ,
" Even number of identity digits "
} ;
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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_ )
{
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/*guint32 type_id;*/
/*proto_tree_add_item_ret_uint(tree, hf_nas_5gs_mm_5gmm_cause, tvb, offset, 1, ENC_BIG_ENDIAN, &type_id);*/
proto_tree_add_item ( tree , hf_nas_5gs_mm_type_id , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_nas_5gs_mm_odd_even , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
offset + + ;
proto_tree_add_expert ( tree , pinfo , & ei_nas_5gs_ie_not_dis , tvb , offset , len - 1 ) ;
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return len ;
}
/*
* 9.8 .3 .4 5 GS 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 5 GS 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 5 GS registration type
*/
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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
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de_nas_5gs_mm_conf_upd_ind ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
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& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_mm_conf_upd_ind_red_b1 ,
& hf_nas_5gs_mm_conf_upd_ind_ack_b0 ,
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NULL
} ;
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 9.8 .3 .11 Daylight saving time
*/
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/* See subclause 10.5.3.12 in 3GPP TS 24.008 */
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/*
* 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_ )
{
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guint32 curr_offset ;
guint curr_len ;
guint8 * str ;
proto_item * pi ;
curr_offset = offset ;
/* A DNN value field contains an APN as defined in 3GPP TS 23.003 */
str = tvb_get_string_enc ( wmem_packet_scope ( ) , tvb , offset , len , ENC_ASCII | ENC_NA ) ;
curr_len = 0 ;
while ( curr_len < len )
{
guint step = str [ curr_len ] ;
str [ curr_len ] = ' . ' ;
curr_len + = step + 1 ;
}
/* Highlight bytes including the first length byte */
pi = proto_tree_add_string ( tree , hf_nas_5gs_mm_dnn , tvb , curr_offset , len , str + 1 ) ;
if ( len > 100 ) {
expert_add_info ( pinfo , pi , & ei_nas_5gs_dnn_too_long ) ;
}
curr_offset + = len ;
EXTRANEOUS_DATA_CHECK ( len , curr_offset - offset , pinfo , & ei_nas_5gs_extraneous_data ) ;
return ( curr_offset - offset ) ;
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}
/*
* 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_ )
{
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/* EAP message as specified in IETF RFC 3748 */
if ( eap_handle ) {
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col_append_str ( pinfo - > cinfo , COL_PROTOCOL , " / " ) ;
col_set_fence ( pinfo - > cinfo , COL_PROTOCOL ) ;
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call_dissector ( eap_handle , tvb_new_subset_length ( tvb , offset , len ) , pinfo , tree ) ;
}
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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_ )
{
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/* an EPS NAS message as specified in 3GPP TS 24.301 */
if ( nas_eps_handle ) {
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col_append_str ( pinfo - > cinfo , COL_PROTOCOL , " / " ) ;
col_set_fence ( pinfo - > cinfo , COL_PROTOCOL ) ;
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call_dissector ( eap_handle , tvb_new_subset_length ( tvb , offset , len ) , pinfo , tree ) ;
}
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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_ )
{
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guint32 curr_offset ;
curr_offset = offset ;
proto_tree_add_item ( tree , hf_nas_5gs_mm_hash_amf , tvb , offset , 8 , ENC_BIG_ENDIAN ) ;
offset + = 8 ;
curr_offset + = len ;
EXTRANEOUS_DATA_CHECK ( len , curr_offset - offset , pinfo , & ei_nas_5gs_extraneous_data ) ;
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return len ;
}
/*
* 9.8 .3 .18 IMEISV request
*/
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/* See subclause 10.5.5.10 in 3GPP TS 24.008 */
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/*
* 9.8 .3 .19 LADN information
*/
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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
*/
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static const true_false_string tfs_nas_5gs_raai = {
" all PLMN registration area allocated " ,
" all PLMN registration area not allocated "
} ;
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static guint16
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de_nas_5gs_mm_mico_ind ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_spare_b1 ,
& hf_nas_5gs_mm_raai_b0 ,
NULL
} ;
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proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
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_ )
{
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/* a NAS message without NAS security heade */
if ( nas_eps_plain_handle ) {
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col_append_str ( pinfo - > cinfo , COL_PROTOCOL , " / " ) ;
col_set_fence ( pinfo - > cinfo , COL_PROTOCOL ) ;
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call_dissector ( nas_eps_plain_handle , tvb_new_subset_length ( tvb , offset , len ) , pinfo , tree ) ;
}
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return len ;
}
/*
* 9.8 .3 .24 NAS security algorithms
*/
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static const value_string nas_5gs_mm_type_of_ip_algo_vals [ ] = {
{ 0x0 , " 5G-IA0 (null integrity protection algorithm) " } ,
{ 0x1 , " 128-5G-IA1 " } ,
{ 0x2 , " 128-5G-IA2 " } ,
{ 0x3 , " 128-5G-IA3 " } ,
{ 0x4 , " 5G-IA4 " } ,
{ 0x5 , " 5G-IA5 " } ,
{ 0x6 , " 5G-IA6 " } ,
{ 0x7 , " 5G-IA7 " } ,
{ 0 , NULL }
} ;
static const value_string nas_5gs_mm_type_of_enc_algo_vals [ ] = {
{ 0x0 , " 5G-EA0 (null ciphering algorithm) " } ,
{ 0x1 , " 128-5G-EA1 " } ,
{ 0x2 , " 128-5G-EA2 " } ,
{ 0x3 , " 128-5G-EA3 " } ,
{ 0x4 , " 5G-EA4 " } ,
{ 0x5 , " 5G-EA5 " } ,
{ 0x6 , " 5G-EA6 " } ,
{ 0x7 , " 5G-EA7 " } ,
{ 0 , NULL }
} ;
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static guint16
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de_nas_5gs_mm_nas_sec_algo ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_mm_nas_sec_algo_enc , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_nas_5gs_mm_nas_sec_algo_ip , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 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_ )
{
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guint32 curr_offset ;
curr_offset = offset ;
/* NonceAMF value (octet 2 to 5)
* This field is coded as the nonce value in the Nonce information element ( see subclause 9.8 .3 .27 ) .
*/
proto_tree_add_item ( tree , hf_nas_5gs_mm_nonceamf , tvb , offset , 4 , ENC_BIG_ENDIAN ) ;
offset + = 4 ;
/* Type of ciphering algorithm Type of integrity protection algorithm*/
proto_tree_add_item ( tree , hf_nas_5gs_mm_nas_sec_algo_enc , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( tree , hf_nas_5gs_mm_nas_sec_algo_ip , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
offset + = 1 ;
/* 0 0 0 0 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 ) ;
offset + = 1 ;
curr_offset + = len ;
EXTRANEOUS_DATA_CHECK ( len , curr_offset - offset , pinfo , & ei_nas_5gs_extraneous_data ) ;
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return len ;
}
/*
* 9.8 .3 .26 Network name
*/
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/* See subclause 10.5.3.5a in 3GPP TS 24.008 */
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/*
* 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_ )
{
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proto_tree * sub_tree ;
proto_item * item ;
int i = 1 ;
gint32 length ;
guint32 curr_offset ;
curr_offset = offset ;
while ( ( curr_offset - offset ) < len ) {
sub_tree = proto_tree_add_subtree_format ( tree , tvb , curr_offset , - 1 , ett_nas_5gs_mm_nssai , & item , " S-NSSAI %u " , i ) ;
proto_tree_add_item_ret_int ( sub_tree , hf_nas_5gs_mm_length , tvb , curr_offset , 1 , ENC_BIG_ENDIAN , & length ) ;
curr_offset + = de_nas_5gs_mm_s_nssai ( tvb , sub_tree , pinfo , curr_offset , length , NULL , 0 ) ;
proto_item_set_len ( item , length + 1 ) ;
i + + ;
}
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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_ )
{
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proto_tree * sub_tree , * sub_tree2 ;
proto_item * item ;
int i = 1 ;
gint32 length ;
guint32 curr_offset ;
curr_offset = offset ;
while ( ( curr_offset - offset ) < len ) {
sub_tree2 = proto_tree_add_subtree_format ( tree , tvb , curr_offset , - 1 , ett_nas_5gs_mm_pdu_ses_id , NULL , " PDU session identity %u " , i ) ;
proto_tree_add_item ( sub_tree2 , hf_nas_5gs_mm_pdu_ses_id , tvb , curr_offset , 1 , ENC_BIG_ENDIAN ) ;
curr_offset + + ;
sub_tree = proto_tree_add_subtree_format ( tree , tvb , curr_offset , - 1 , ett_nas_5gs_mm_nssai , & item , " S-NSSAI %u " , i ) ;
proto_tree_add_item_ret_int ( sub_tree , hf_nas_5gs_mm_length , tvb , curr_offset , 1 , ENC_BIG_ENDIAN , & length ) ;
curr_offset + = de_nas_5gs_mm_s_nssai ( tvb , sub_tree , pinfo , curr_offset , length , NULL , 0 ) ;
proto_item_set_len ( item , length + 1 ) ;
i + + ;
}
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return len ;
}
/*
* 9.8 .3 .30 Payload container
*/
static guint16
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de_nas_5gs_mm_pld_cont ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
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guint32 offset , guint len ,
gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_mm_pld_cont , tvb , offset , len , ENC_NA ) ;
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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
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de_nas_5gs_mm_old_pdu_ses_id ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_mm_old_pdu_ses_id , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
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return 1 ;
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}
/*
* 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
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de_nas_5gs_mm_s_nssai ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
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guint32 offset , guint len ,
gchar * add_string _U_ , int string_len _U_ )
{
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/* SST octet 3
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* This field contains the 8 bit SST value . The coding of the SST value part is defined in 3 GPP TS 23.003
*/
proto_tree_add_item ( tree , hf_nas_5gs_mm_sst , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
if ( len = = 1 ) {
return len ;
}
offset + = 1 ;
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/* SD octet 4 - octet 6* */
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proto_tree_add_item ( tree , hf_nas_5gs_mm_sd , tvb , offset , 3 , ENC_BIG_ENDIAN ) ;
if ( len = = 4 ) {
return len ;
}
offset + = 3 ;
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/* Mapped configured SST octet 7* */
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proto_tree_add_item ( tree , hf_nas_5gs_mm_mapped_conf_sst , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
if ( len = = 5 ) {
return len ;
}
offset + = 1 ;
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/* Mapped configured SD octet 8 - octet 10* */
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proto_tree_add_item ( tree , hf_nas_5gs_mm_mapped_conf_ssd , tvb , offset , 3 , ENC_BIG_ENDIAN ) ;
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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
*/
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static const value_string nas_5gs_mm_all_acc_vals [ ] = {
{ 0x00 , " SMS over NAS not allowed " } ,
{ 0x01 , " SMS over NAS allowed via 3GPP access only " } ,
{ 0x02 , " SMS over NAS allowed via both 3GPP access and non-3GPP access " } ,
{ 0x03 , " reserved " } ,
{ 0 , NULL } } ;
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static guint16
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de_nas_5gs_mm_sms_all ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
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guint32 offset , guint len _U_ ,
gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_mm_all_acc_b1b0 ,
NULL
} ;
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
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return 1 ;
}
/*
* 9.8 .3 .41 SMS requested
*/
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static const value_string nas_5gs_mm_sup_acc_vals [ ] = {
{ 0x00 , " SMS over NAS not supported " } ,
{ 0x01 , " SMS over NAS supported via 3GPP access only " } ,
{ 0x02 , " SMS over NAS supported via both 3GPP access and non-3GPP access " } ,
{ 0x03 , " Reserved " } ,
{ 0 , NULL } } ;
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static guint16
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de_nas_5gs_mm_sms_req ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_mm_sup_acc_b1b0 ,
NULL
} ;
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
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/*
* 9.8 .3 .42 Request type
*/
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static const value_string nas_5gs_mm_req_type_vals [ ] = {
{ 0x01 , " Initial request " } ,
{ 0x02 , " Existing PDU session " } ,
{ 0x03 , " Initial emergency request " } ,
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{ 0x04 , " Existing emergency PDU session " } ,
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{ 0 , NULL } } ;
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static guint16
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de_nas_5gs_mm_req_type ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_mm_req_type , tvb , offset , 3 , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 9.8 .3 .43 Service type
*/
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static const value_string nas_5gs_mm_serv_type_vals [ ] = {
{ 0x00 , " Signalling " } ,
{ 0x01 , " Data " } ,
{ 0x02 , " Paging response " } ,
{ 0x03 , " Reserved " } ,
{ 0x04 , " Emergency services fallback " } ,
{ 0 , NULL } } ;
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static guint16
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de_nas_5gs_mm_serv_type ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_mm_serv_type ,
NULL
} ;
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proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 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
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de_nas_5gs_mm_ue_sec_cap ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
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guint32 offset , guint len ,
gchar * add_string _U_ , int string_len _U_ )
{
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guint32 curr_offset ;
static const int * oct3_flags [ ] = {
& hf_nas_5gs_mm_5g_ea0 ,
& hf_nas_5gs_mm_128_5g_ea1 ,
& hf_nas_5gs_mm_128_5g_ea2 ,
& hf_nas_5gs_mm_128_5g_ea3 ,
& hf_nas_5gs_mm_5g_ea4 ,
& hf_nas_5gs_mm_5g_ea5 ,
& hf_nas_5gs_mm_5g_ea6 ,
& hf_nas_5gs_mm_5g_ea7 ,
NULL
} ;
static const int * oct4_flags [ ] = {
& hf_nas_5gs_mm_5g_ia0 ,
& hf_nas_5gs_mm_5g_128_ia1 ,
& hf_nas_5gs_mm_5g_128_ia2 ,
& hf_nas_5gs_mm_5g_128_ia3 ,
& hf_nas_5gs_mm_5g_ia4 ,
& hf_nas_5gs_mm_5g_ia5 ,
& hf_nas_5gs_mm_5g_ia6 ,
& hf_nas_5gs_mm_5g_ia7 ,
NULL
} ;
static const int * oct5_flags [ ] = {
& hf_nas_5gs_mm_eea0 ,
& hf_nas_5gs_mm_128eea1 ,
& hf_nas_5gs_mm_128eea2 ,
& hf_nas_5gs_mm_eea3 ,
& hf_nas_5gs_mm_eea4 ,
& hf_nas_5gs_mm_eea5 ,
& hf_nas_5gs_mm_eea6 ,
& hf_nas_5gs_mm_eea7 ,
NULL
} ;
static const int * oct6_flags [ ] = {
& hf_nas_5gs_mm_eia0 ,
& hf_nas_5gs_mm_128eia1 ,
& hf_nas_5gs_mm_128eia2 ,
& hf_nas_5gs_mm_eia3 ,
& hf_nas_5gs_mm_eia4 ,
& hf_nas_5gs_mm_eia5 ,
& hf_nas_5gs_mm_eia6 ,
& hf_nas_5gs_mm_eia7 ,
NULL
} ;
curr_offset = offset ;
/* 5G-EA0 128-5G-EA1 128-5G-EA2 128-5G-EA3 5G-EA4 5G-EA5 5G-EA6 5G-EA7 octet 3 */
proto_tree_add_bitmask_list ( tree , tvb , curr_offset , 1 , oct3_flags , ENC_NA ) ;
curr_offset + + ;
/* 5G-IA0 128-5G-IA1 128-5G-IA2 128-5G-IA3 5G-IA4 5G-IA5 5G-IA6 5G-IA7 octet 4 */
proto_tree_add_bitmask_list ( tree , tvb , curr_offset , 1 , oct4_flags , ENC_NA ) ;
curr_offset + + ;
if ( len = = 4 ) {
return len ;
}
/* EEA0 128-EEA1 128-EEA2 128-EEA3 EEA4 EEA5 EEA6 EEA7 octet 5 */
proto_tree_add_bitmask_list ( tree , tvb , curr_offset , 1 , oct5_flags , ENC_NA ) ;
curr_offset + + ;
/* EIA0 128-EIA1 128-EIA2 128-EIA3 EIA4 EIA5 EIA6 EIA7 octet 6 */
proto_tree_add_bitmask_list ( tree , tvb , curr_offset , 1 , oct6_flags , ENC_NA ) ;
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return len ;
}
/*
* 9.8 .3 .49 UE status
*/
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static true_false_string tfs_nas_5gs_mm_s1_mod = {
" UE is in EMM-REGISTERED state " ,
" UE is not in EMM-REGISTERED state "
} ;
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static guint16
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de_nas_5gs_mm_ue_sts ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
& hf_nas_5gs_spare_b7 ,
& hf_nas_5gs_spare_b6 ,
& hf_nas_5gs_spare_b5 ,
& hf_nas_5gs_spare_b4 ,
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_spare_b1 ,
& hf_nas_5gs_mm_s1_mode_reg_b0 ,
NULL
} ;
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/* 0 Spare 0 Spare 0 Spare 0 Spare 0 Spare 0 Spare 0 Spare S1 mode reg
*/
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
/*
* 9.8 .4 5 GS session management ( 5 GSM ) information elements
*/
/*
* 9.8 .4 .1 5 GSM cause
*/
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static const value_string nas_5gs_sm_cause_vals [ ] = {
{ 0x1d , " User authentication failed " } ,
{ 0x1f , " Request rejected, unspecified " } ,
{ 0x22 , " Service option temporarily out of order " } ,
{ 0x24 , " Regular deactivation " } ,
{ 0x27 , " Reactivation requested " } ,
{ 0x32 , " PDU session type Ipv4 only allowed " } ,
{ 0x33 , " PDU session type Ipv6 only 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 }
} ;
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static guint16
de_nas_5gs_sm_5gsm_cause ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo ,
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guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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guint32 cause ;
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proto_tree_add_item_ret_uint ( tree , hf_nas_5gs_sm_5gsm_cause , tvb , offset , 1 , ENC_BIG_ENDIAN , & cause ) ;
col_append_fstr ( pinfo - > cinfo , COL_INFO , " (%s) " ,
val_to_str_const ( cause , nas_5gs_sm_cause_vals , " Unknown " ) ) ;
return 1 ;
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}
/*
* 9.8 .4 .2 Extended protocol configuration options
*/
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/* See subclause 10.5.6.3A in 3GPP TS 24.008 */
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/*
* 9.8 .4 .3 GPRS timer
*/
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/* See subclause 10.5.7.3 in 3GPP TS 24.008 */
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/*
* 9.8 .4 .4 PDU address
*/
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static const value_string nas_5gs_sm_pdu_ses_type_vals [ ] = {
{ 0x2 , " IPv4 " } ,
{ 0x3 , " IPv6 " } ,
{ 0 , NULL }
} ;
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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_ )
{
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proto_item * ti ;
guint32 value ;
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/* 0 Spare 0 Spare 0 Spare 0 Spare PDU session type value */
ti = proto_tree_add_item_ret_uint ( tree , hf_nas_5gs_sm_pdu_ses_type , tvb , offset , 1 , ENC_BIG_ENDIAN , & value ) ;
offset + + ;
/* PDU address information */
switch ( value ) {
case 2 :
/* IPv4 */
proto_tree_add_item ( tree , hf_nas_5gs_sm_pdu_addr_inf_ipv4 , tvb , offset , 4 , ENC_BIG_ENDIAN ) ;
break ;
case 3 :
/* IPv6 */
proto_tree_add_item ( tree , hf_nas_5gs_sm_pdu_addr_inf_ipv6 , tvb , offset , 16 , ENC_NA ) ;
break ;
default :
expert_add_info ( pinfo , ti , & ei_nas_5gs_unknown_value ) ;
break ;
}
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return len ;
}
/*
* 9.8 .4 .5 PDU session type
*/
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static const value_string nas_5gs_pdu_session_type_values [ ] = {
{ 0x1 , " IP " } ,
{ 0x2 , " Ipv4 " } ,
{ 0x3 , " Ipv6 " } ,
{ 0x4 , " Unstructured " } ,
{ 0x5 , " Ethernet " } ,
{ 0 , NULL }
} ;
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static guint16
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de_nas_5gs_sm_pdu_session_type ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_sm_pdu_session_type , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
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/*
* 9.8 .4 .6 QoS rules
*/
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static true_false_string tfs_nas_5gs_sm_dqr = {
" The QoS rule is the default QoS rule " ,
" The QoS rule is not the default QoS rule "
} ;
static const value_string nas_5gs_rule_operation_code_values [ ] = {
{ 0x0 , " Reserved " } ,
{ 0x1 , " Create new QoS rule " } ,
{ 0x2 , " Delete existing QoS rule " } ,
{ 0x3 , " Modify existing QoS rule and add packet filters " } ,
{ 0x4 , " Modify existing QoS rule and replace packet filters " } ,
{ 0x5 , " Modify existing QoS rule and delete packet filters " } ,
{ 0x6 , " Modify existing QoS rule without modifying packet filters " } ,
{ 0x7 , " Reserved " } ,
{ 0 , NULL }
} ;
static const value_string nas_5gs_sm_pf_type_values [ ] = {
{ 0x10 , " IPv4 remote address type " } ,
{ 0x11 , " IPv4 local address type " } ,
{ 0x21 , " IPv6 remote address/prefix length type " } ,
{ 0x23 , " IPv6 local address/prefix length type " } ,
{ 0x30 , " Protocol identifier/Next header type " } ,
{ 0x40 , " Single local port type " } ,
{ 0x41 , " Local port range type " } ,
{ 0x50 , " Single remote port type " } ,
{ 0x51 , " Remote port range type " } ,
{ 0x60 , " Security parameter index type " } ,
{ 0x70 , " Type of service/Traffic class type " } ,
{ 0x80 , " Flow label type " } ,
{ 0x81 , " Destination MAC address type " } ,
{ 0x82 , " Source MAC address type " } ,
{ 0x83 , " 802.1Q C-TAG VID type " } ,
{ 0x84 , " 802.1Q S-TAG VID type " } ,
{ 0x85 , " 802.1Q C-TAG PCP/DEI type " } ,
{ 0x86 , " 802.1Q S-TAG PCP/DEI type " } ,
{ 0x87 , " Ethertype type " } ,
{ 0 , NULL }
} ;
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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_ )
{
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proto_tree * sub_tree , * sub_tree2 ;
proto_item * item ;
int i = 1 , j = 1 ;
gint32 length , pf_len , pf_type ;
guint32 curr_offset , start_offset , rule_start_offset ;
guint8 num_pkt_flt , rop ;
static const int * flags [ ] = {
& hf_nas_5gs_sm_rop ,
& hf_nas_5gs_sm_dqr ,
& hf_nas_5gs_sm_nof_pkt_filters ,
NULL
} ;
curr_offset = offset ;
while ( ( curr_offset - offset ) < len ) {
/* QoS Rule */
rule_start_offset = curr_offset ;
sub_tree = proto_tree_add_subtree_format ( tree , tvb , curr_offset , - 1 , ett_nas_5gs_sm_qos_rules , & item , " QoS rule %u " , i ) ;
/* QoS rule identifier */
proto_tree_add_item ( sub_tree , hf_nas_5gs_sm_qos_rule_id , tvb , curr_offset , 1 , ENC_BIG_ENDIAN ) ;
curr_offset + = 1 ;
/* Length of QoS rule */
proto_tree_add_item_ret_int ( sub_tree , hf_nas_5gs_sm_length , tvb , curr_offset , 2 , ENC_BIG_ENDIAN , & length ) ;
curr_offset + = 2 ;
proto_item_set_len ( item , length + 3 ) ;
/* Rule operation code DQR bit Number of packet filters */
num_pkt_flt = tvb_get_guint8 ( tvb , curr_offset ) ;
rop = num_pkt_flt > > 5 ;
num_pkt_flt = num_pkt_flt & 0x0f ;
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
curr_offset + + ;
/* For the "delete existing QoS rule" operation and for the "modify existing QoS rule without modifying packet filters"
* operation , the number of packet filters shall be coded as 0.
*/
if ( ( rop = = 0 ) | | ( rop = = 7 ) ) {
/* Reserved */
proto_tree_add_expert ( tree , pinfo , & ei_nas_5gs_unknown_value , tvb , curr_offset , length - 1 ) ;
i + + ;
curr_offset + = ( length - 1 ) ;
continue ;
}
if ( ( rop = = 2 ) | | ( rop = = 6 ) ) {
if ( rop ! = 0 ) {
proto_tree_add_expert ( tree , pinfo , & ei_nas_5gs_num_pkt_flt , tvb , curr_offset , length - 1 ) ;
i + + ;
curr_offset + = ( length - 1 ) ;
continue ;
}
}
while ( num_pkt_flt > 0 ) {
/* Packet filter list */
sub_tree2 = proto_tree_add_subtree_format ( tree , tvb , curr_offset , - 1 , ett_nas_5gs_sm_qos_rules , & item , " Packet filter %u " , j ) ;
start_offset = curr_offset ;
if ( rop = = 5 ) {
/* modify existing QoS rule and delete packet filters */
/* 0 0 0 0 Packet filter identifier x*/
proto_tree_add_item ( sub_tree2 , hf_nas_5gs_sm_pkt_flt_id , tvb , curr_offset , 1 , ENC_BIG_ENDIAN ) ;
curr_offset + + ;
} else {
/* "create new QoS rule", or "modify existing QoS rule and add packet filters"
* or " modify existing QoS rule and replace packet filters "
*/
/* 0 0 Packet filter direction 1 Packet filter identifier 1*/
proto_tree_add_item ( sub_tree2 , hf_nas_5gs_sm_pkt_flt_dir , tvb , curr_offset , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( sub_tree2 , hf_nas_5gs_sm_pkt_flt_id , tvb , curr_offset , 1 , ENC_BIG_ENDIAN ) ;
curr_offset + + ;
/* Length of packet filter contents */
proto_tree_add_item_ret_int ( sub_tree2 , hf_nas_5gs_sm_pf_len , tvb , curr_offset , 1 , ENC_BIG_ENDIAN , & pf_len ) ;
curr_offset + + ;
/* Packet filter contents */
/* Each packet filter component shall be encoded as a sequence of a one octet packet filter component type identifier
* and a fixed length packet filter component value field .
* The packet filter component type identifier shall be transmitted first .
*/
proto_tree_add_item_ret_int ( sub_tree2 , hf_nas_5gs_sm_pf_type , tvb , curr_offset , 1 , ENC_BIG_ENDIAN , & pf_type ) ;
curr_offset + + ;
switch ( pf_type ) {
default :
proto_tree_add_expert ( sub_tree2 , pinfo , & ei_nas_5gs_not_diss , tvb , curr_offset , pf_len - 1 ) ;
break ;
}
curr_offset + = ( pf_len - 1 ) ;
}
num_pkt_flt - - ;
j + + ;
proto_item_set_len ( item , curr_offset - start_offset ) ;
}
/* 0 Spare E Number of parameters */
i + + ;
curr_offset = rule_start_offset + length + 3 ;
}
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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
*/
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static const value_string nas_5gs_sc_mode_values [ ] = {
{ 0x1 , " SSC mode 1 " } ,
{ 0x2 , " SSC mode 2 " } ,
{ 0x3 , " SSC mode 3 " } ,
{ 0 , NULL }
} ;
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static guint16
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de_nas_5gs_sm_ssc_mode ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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proto_tree_add_item ( tree , hf_nas_5gs_sm_sc_mode , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
return 1 ;
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}
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/*
* 9.8 .4 .10 5 GSM capability
*/
static guint16
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de_nas_5gs_sm_5gsm_cap ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ ,
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guint32 offset , guint len _U_ ,
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gchar * add_string _U_ , int string_len _U_ )
{
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static const int * flags [ ] = {
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& hf_nas_5gs_spare_b7 ,
& hf_nas_5gs_spare_b6 ,
& hf_nas_5gs_spare_b5 ,
& hf_nas_5gs_spare_b4 ,
& hf_nas_5gs_spare_b3 ,
& hf_nas_5gs_spare_b2 ,
& hf_nas_5gs_spare_b1 ,
& hf_nas_5gs_sm_rqos_b0 ,
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NULL
} ;
proto_tree_add_bitmask_list ( tree , tvb , offset , 1 , flags , ENC_BIG_ENDIAN ) ;
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return 1 ;
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}
/*
* 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 5 GS mobility management ( 5 GMM ) information elements
*/
typedef enum
{
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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*/
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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*/
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NULL , /* 9.8.3.11 Daylight saving time*/
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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*/
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NULL , /* 9.8.3.18 IMEISV request*/
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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*/
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NULL , /* 9.8.3.26 Network name*/
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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 5 GS session management ( 5 GSM ) 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 */
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DE_NAS_5GS_SM_5GSM_CAP , /* 9.8.4.10 5GSM capability */
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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 */
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{ DE_NAS_5GS_SM_5GSM_CAP , " 5GSM capability " } , /* 9.8.4.10 5GSM capability */
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{ 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 */
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NULL , /* 9.8.4.2 Extended protocol configuration options */
NULL , /* 9.8.4.3 GPRS timer */
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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 ) ;
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NAS_KEY_SET_ID , " - ngKSI " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*21 Authentication parameter RAND (5G authentication challenge) Authentication parameter RAND 9.8.3.9 O TV 17*/
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ELEM_MAND_TV ( 0x21 , GSM_A_PDU_TYPE_DTAP , DE_AUTH_PARAM_RAND , " - 5G authentication challenge " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*20 Authentication parameter AUTN (5G authentication challenge) Authentication parameter AUTN 9.8.3.8 O TLV 18*/
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ELEM_MAND_TLV ( 0x20 , GSM_A_PDU_TYPE_DTAP , DE_AUTH_PARAM_AUTN , " - 5G authentication challeng " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 ;
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/* EAP message EAP message 9.8.3.14 O TLV-E 7-1503 */
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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 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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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*/
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_REG_TYPE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/* ngKSI NAS key set identifier 9.8.3.22 M V 1*/
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NAS_KEY_SET_ID , " - ngKSI " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/* Mobile identity 5GS mobile identity 9.8.3.3 M LV TBD*/
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_MOBILE_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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*/
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_REG_RES , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/* 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 ) ;
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_PLD_CONT_TYPE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 ) ;
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_PLD_CONT_TYPE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_DE_REG_TYPE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*5GS mobile identity 5GS mobile identity 9.8.3.3 M TLV TBD*/
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_MOBILE_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .12 De - registration accept ( UE originating de - registration )
*/
/* No data */
/*
* 8.2 .13 De - registration request ( UE terminated de - registration )
*/
static void
nas_5gs_mm_de_registration_req_ue_term ( 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 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_DE_REG_TYPE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/* 72 5GMM cause 5GMM cause 9.8.3.2 M V 2 */
ELEM_OPT_TV ( 0x72 , NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , NULL ) ;
/* 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 .14 De - registration accept ( UE terminated de - registration )
*/
/* No data */
/*
* 8.2 .15 Service request
*/
static void
nas_5gs_mm_service_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 ;
/* This looks wrong to me...
Extended protocol discriminator Extended protocol discriminator 9.2 M V 1
Security header type Security header type 9.3 M V 1 / 2
Service type Service type 9.8 .3 .43 M V 1 / 2
5 G - TMSI 5 GS mobile identity 9.8 .3 .3 M LV 6
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_MOBILE_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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Service request message identity Message type 9.7 M V 1
ngKSI NAS key set identifier 9.8 .3 .22 M V 1 / 2
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NAS_KEY_SET_ID , " - ngKSI " , ei_nas_5gs_missing_mandatory_elemen ) ;
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Spare half octet Spare half octet 9.4 M V 1 / 2
Uplink data status Uplink data status 9.8 .2 .3 O TLV 4
PDU session status PDU session status 9.8 .2 .2 O TLV 4
Allowed PDU session status Allowed PDU session status 9.8 .3 .7 O TLV 4 - 34
*/
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .17 Service reject
*/
static void
nas_5gs_mm_service_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 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 ) ;
/* 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 .18 Configuration update command
*/
static void
nas_5gs_mm_conf_upd_cmd ( 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 ;
/*Configuration update indication Configuration update indication 9.8.3.10 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 ) ;
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_CONF_UPD_IND , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*2C 5G-GUTI 5GS mobile identity 9.8.3.3 O TLV TBD*/
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_MOBILE_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 " ) ;
/*27 Service area list Service area list 9.8.3.39 O TLV 6-194 */
ELEM_OPT_TLV ( 0x70 , NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_SAL , NULL ) ;
/*43 Full name for network Network name 9.8.3.26 O TLV 3-n*/
ELEM_OPT_TLV ( 0x43 , GSM_A_PDU_TYPE_DTAP , DE_NETWORK_NAME , " - Full name for network " ) ;
/*45 Short name for network Network name 9.8.3.26 O TLV 3-n*/
ELEM_OPT_TLV ( 0x45 , GSM_A_PDU_TYPE_DTAP , DE_NETWORK_NAME , " - Short Name " ) ;
/*46 Local time zone Time zone 9.8.3.46 O TV 2*/
ELEM_OPT_TV ( 0x46 , GSM_A_PDU_TYPE_DTAP , DE_TIME_ZONE , " - Local " ) ;
/*47 Universal time and local time zone Time zone and time 9.8.3.47 O TV 8*/
ELEM_OPT_TV ( 0x47 , GSM_A_PDU_TYPE_DTAP , DE_TIME_ZONE_TIME , " - Universal Time and Local Time Zone " ) ;
/*49 Network daylight saving time Daylight saving time 9.8.3.11 O TLV 3*/
ELEM_OPT_TLV ( 0x49 , GSM_A_PDU_TYPE_DTAP , DE_DAY_SAVING_TIME , 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 ) ;
/*31 Configured NSSAI NSSAI 9.8.3.28 O TLV 4-74*/
ELEM_OPT_TLV ( 0x31 , NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NSSAI , " - Configured NSSAI " ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .19 Configuration update complete
*/
/*
* 8.2 .20 Identity request
*/
static void
nas_5gs_mm_id_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 ;
/*
Identity type Identity type FFS M V 1 / 2
Spare half octet Spare half octet 9.5 M V 1 / 2
*/
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .21 Identity response
*/
static void
nas_5gs_mm_id_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 ;
/* Mobile identity 5GS mobile identity 9.8.3.3 M LV TBD */
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GS_MOBILE_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .22 Notification
*/
/*
* 8.2 .23 Notification response
*/
/*
* 8.2 .24 Security mode command
*/
static void
nas_5gs_mm_sec_mode_cmd ( 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 ;
/*Selected NAS security algorithms NAS security algorithms 9.8.3.24 M V 1 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NAS_SEC_ALGO , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*NAS key set identifier NAS key set identifier 9.8.3.22 M V 1*/
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_NAS_KEY_SET_ID , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*Replayed UE security capabilities UE security capability 9.8.3.48 M LV 3-5*/
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ELEM_MAND_LV ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_UE_SEC_CAP , " - Replayed UE security capabilities " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*Xa Allowed NSSAI NSSAI 9.8.3.28 O TBD TBD*/
/*ELEM_OPT_TLV(0x70, NAS_5GS_PDU_TYPE_MM, DE_NAS_5GS_MM_NSSAI, " - Allowed NSSAI");*/
/*E- IMEISV request IMEISV request 9.8.3.18 O TV 1*/
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ELEM_OPT_TV_SHORT ( 0xE0 , NAS_PDU_TYPE_EMM , DE_EMM_IMEISV_REQ , NULL ) ;
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/*55 Replayed nonceUE Nonce 9.8.3.27 O TV 5*/
/*56 NonceAMF Nonce 9.8.3.27 O TV 5*/
/*4F HashAMF HashAMF 9.8.3.17 O TV 9*/
/*78 EAP message EAP message 9.8.3.14 O TLV-E 7*/
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 .25 Security mode complete
*/
static void
nas_5gs_mm_sec_mode_comp ( 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 ;
/*
Allowed NSSAI NSSAI 9.8 .3 .28 M TBD TBD
IMEISV 5 G mobile identity 9.8 .3 .3 O TLV TBD
NAS message container NAS message container 9.8 .3 .23 O TLV - E 3 - n
*/
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .26 Security mode reject
*/
static void
nas_5gs_mm_sec_mode_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 ;
/* EMM cause 5GMM cause 9.8.3.2 M V 1 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , " - EMM cause " , ei_nas_5gs_missing_mandatory_elemen ) ;
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EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.2 .27 5 GMM status
*/
static void
nas_5gs_mm_5gmm_status ( 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 ;
/* EMM cause 5GMM cause 9.8.3.2 M V 1 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , " - EMM cause " , ei_nas_5gs_missing_mandatory_elemen ) ;
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EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/* 8.3 5GS session management messages */
/*
* 8.3 .1 PDU session establishment request
*/
static void
nas_5gs_sm_pdu_ses_est_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 ;
/*9- PDU session type PDU session type 9.8.4.5 O TV 1*/
ELEM_OPT_TV_SHORT ( 0x90 , NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_PDU_SESSION_TYPE , NULL ) ;
/*A- SSC mode SSC mode 9.8.4.9 O TV 1*/
ELEM_OPT_TV_SHORT ( 0xa0 , NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_SSC_MODE , NULL ) ;
/*28 5GSM capability 5GSM capability 9.8.4.10 O TLV 3-15 */
ELEM_OPT_TLV ( 0x28 , NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAP , NULL ) ;
/*yz SM PDU DN request container SM PDU DN request container 9.8.4.8 O TBD TBD*/
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV-E 4-65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .2 PDU session establishment accept
*/
static void
nas_5gs_sm_pdu_ses_est_acc ( 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 ;
/*Selected PDU session type PDU session type 9.8.4.5 M V 1/2*/
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_PDU_SESSION_TYPE , " - Selected PDU session type " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*Selected SSC mode SSC mode 9.8.4.9 M V 1/2*/
/* DNN DNN 9.8.3.13 M LV 2-TBD*/
/*Authorized QoS rules QoS rules 9.8.4.6 M LV-E 2-65537*/
/*Session AMBR Session-AMBR 9.8.4.7 M LV TBD*/
/*73 5GSM cause 5GSM cause 9.8.4.1 O TV 2*/
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ELEM_OPT_TV ( 0x73 , NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL ) ;
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/*29 PDU address PDU address 9.8.4.4 O TLV 7*/
/*78 EAP message EAP message 9.8.3.14 O TLV-E 7-1503*/
/*74 RQ timer value GPRS timer 9.8.4.3 O TV 2*/
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV-E 4-65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
/*22 S-NSSAI S-NSSAI 9.8.3.37 O TLV 3-6*/
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .3 PDU session establishment reject
*/
static void
nas_5gs_sm_pdu_ses_est_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 ;
/* EMM cause 5GMM cause 9.8.3.2 M V 1 */
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ELEM_MAND_V ( NAS_5GS_PDU_TYPE_MM , DE_NAS_5GS_MM_5GMM_CAUSE , " - EMM cause " , ei_nas_5gs_missing_mandatory_elemen ) ;
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/*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 ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .4 PDU session authentication command
*/
static void
nas_5gs_sm_pdu_ses_auth_cmd ( 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 ;
/*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 ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .5 PDU session authentication complete
*/
static void
nas_5gs_sm_pdu_ses_auth_comp ( 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 ;
/*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 ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .6 PDU session modification request
*/
static void
nas_5gs_sm_pdu_ses_mod_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 ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
/*7A Requested QoS rules QoS rules 9.8.4.6 O TLV-E 3-65538 */
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EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
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/*
* 8.3 .7 PDU session modification reject
*/
static void
nas_5gs_sm_pdu_ses_mod_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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_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 ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .8 PDU session modification command
*/
static void
nas_5gs_sm_pdu_ses_mod_cmd ( 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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
/*7B Authorized QoS rules QoS rules 9.8.4.6 O TLV-E 3-65538*/
/*2A Session AMBR Session-AMBR 9.8.4.7 O TLV 8*/
/*75 PDU session release time GPRS timer 9.8.4.3 O TV 2*/
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV-E 4-65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .9 PDU session modification complete
*/
static void
nas_5gs_sm_pdu_ses_mod_comp ( 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 ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .10 PDU session modification command reject
*/
static void
nas_5gs_sm_pdu_ses_mod_com_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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .11 PDU session release request
*/
static void
nas_5gs_sm_pdu_ses_rel_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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .12 PDU session release reject
*/
static void
nas_5gs_sm_pdu_ses_rel_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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .13 PDU session release command
*/
static void
nas_5gs_sm_pdu_ses_rel_cmd ( 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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .14 PDU session release complete
*/
static void
nas_5gs_sm_pdu_ses_rel_comp ( 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 ;
/*7B Extended protocol configuration options Extended protocol configuration options 9.8.4.2 O TLV - E 4 - 65538*/
ELEM_OPT_TLV_E ( 0x7B , NAS_PDU_TYPE_ESM , DE_ESM_EXT_PCO , NULL ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
/*
* 8.3 .15 5 GSM status
*/
static void
nas_5gs_sm_5gsm_status ( 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 ;
/* 5GSM cause 5GSM cause 9.8.4.1 M V 1 */
ELEM_MAND_V ( NAS_5GS_PDU_TYPE_SM , DE_NAS_5GS_SM_5GSM_CAUSE , NULL , ei_nas_5gs_missing_mandatory_elemen ) ;
EXTRANEOUS_DATA_CHECK ( curr_len , 0 , pinfo , & ei_nas_5gs_extraneous_data ) ;
}
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#if 0
Template :
/*
* 8.2 .2 Authentication response
*/
static void
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nas_5gs_sm_xx ( tvbuff_t * tvb , proto_tree * tree , packet_info * pinfo _U_ , guint32 offset , guint len )
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{
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) " } ,
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{ 0x49 , " Not used in v 0.3.1 " } ,
{ 0x4a , " Not used in v 0.3.1 " } ,
{ 0x4b , " Not used in v 0.3.1 " } ,
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{ 0x4c , " Service request " } ,
{ 0x4d , " Service reject " } ,
{ 0x4e , " Service accept " } ,
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{ 0x4f , " Not used in v 0.3.1 " } ,
{ 0x50 , " Not used in v 0.3.1 " } ,
{ 0x51 , " Not used in v 0.3.1 " } ,
{ 0x52 , " Not used in v 0.3.1 " } ,
{ 0x53 , " Not used in v 0.3.1 " } ,
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{ 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 " } ,
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{ 0x5f , " Not used in v 0.3.1 " } ,
{ 0x60 , " Not used in v 0.3.1 " } ,
{ 0x61 , " Not used in v 0.3.1 " } ,
{ 0x62 , " Not used in v 0.3.1 " } ,
{ 0x63 , " Not used in v 0.3.1 " } ,
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{ 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 ) = {
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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_mm_de_registration_req_ue_term , /* 0x47 Deregistration request (UE terminated) */
nas_5gs_exp_not_dissected_yet , /* 0x48 Deregistration accept (UE terminated) */
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nas_5gs_exp_not_dissected_yet , /* 0x49 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x4a Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x4b Not used in v 0.3.1 */
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nas_5gs_mm_service_req , /* 0x4c Service request */
nas_5gs_mm_service_rej , /* 0x4d Service reject */
nas_5gs_exp_not_dissected_yet , /* 0x4e Service accept */
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nas_5gs_exp_not_dissected_yet , /* 0x4f Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x50 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x51 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x52 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x53 Not used in v 0.3.1 */
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nas_5gs_mm_conf_upd_cmd , /* 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_mm_id_req , /* 0x5a Identity request */
nas_5gs_mm_id_resp , /* 0x5b Identity response */
nas_5gs_mm_sec_mode_cmd , /* 0x5c Security mode command */
nas_5gs_mm_sec_mode_comp , /* 0x5d Security mode complete */
nas_5gs_mm_sec_mode_rej , /* 0x5e Security mode reject */
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nas_5gs_exp_not_dissected_yet , /* 0x5f Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x60 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x61 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x62 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0x63 Not used in v 0.3.1 */
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nas_5gs_mm_5gmm_status , /* 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 */
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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 " } ,
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{ 0xc6 , " Not used in v 0.3.1 " } ,
{ 0xc7 , " Not used in v 0.3.1 " } ,
{ 0xc8 , " Not used in v 0.3.1 " } ,
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{ 0xc9 , " PDU session modification request " } ,
{ 0xca , " PDU session modification reject " } ,
{ 0xcb , " PDU session modification command " } ,
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{ 0xcc , " Not used in v 0.3.1 " } ,
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{ 0xcd , " PDU session modification complete " } ,
{ 0xce , " PDU session modification command reject " } ,
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{ 0xcf , " Not used in v 0.3.1 " } ,
{ 0xd0 , " Not used in v 0.3.1 " } ,
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{ 0xd1 , " PDU session release request " } ,
{ 0xd2 , " PDU session release reject " } ,
{ 0xd3 , " PDU session release command " } ,
{ 0xd4 , " PDU session release complete " } ,
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{ 0xd5 , " Not used in v 0.3.1 " } ,
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{ 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 ) = {
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nas_5gs_sm_pdu_ses_est_req , /* 0xc1 PDU session establishment request */
nas_5gs_sm_pdu_ses_est_acc , /* 0xc2 PDU session establishment accept */
nas_5gs_sm_pdu_ses_est_rej , /* 0xc3 PDU session establishment reject */
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nas_5gs_sm_pdu_ses_auth_cmd , /* 0xc4 PDU session authentication request */
nas_5gs_sm_pdu_ses_auth_comp , /* 0xc5 PDU session authentication accept */
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nas_5gs_exp_not_dissected_yet , /* 0xc6 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0xc7 Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0xc8 Not used in v 0.3.1 */
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nas_5gs_sm_pdu_ses_mod_req , /* 0xc9 PDU session modification request */
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nas_5gs_sm_pdu_ses_mod_rej , /* 0xca PDU session modification reject */
nas_5gs_sm_pdu_ses_mod_cmd , /* 0xcb PDU session modification command */
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nas_5gs_exp_not_dissected_yet , /* 0xcc Not used in v 0.3.1 */
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nas_5gs_sm_pdu_ses_mod_comp , /* 0xcd PDU session modification complete */
nas_5gs_sm_pdu_ses_mod_com_rej , /* 0xce PDU session modification command reject */
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nas_5gs_exp_not_dissected_yet , /* 0xcf Not used in v 0.3.1 */
nas_5gs_exp_not_dissected_yet , /* 0xd0 Not used in v 0.3.1 */
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nas_5gs_sm_pdu_ses_rel_req , /* 0xd1 PDU session release request */
nas_5gs_sm_pdu_ses_rel_rej , /* 0xd2 PDU session release reject */
nas_5gs_sm_pdu_ses_rel_cmd , /* 0xd3 PDU session release command */
nas_5gs_sm_pdu_ses_rel_comp , /* 0xd4 PDU session release complete */
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nas_5gs_exp_not_dissected_yet , /* 0xd5 Not used in v 0.3.1 */
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nas_5gs_sm_5gsm_status , /* 0xd6 5GSM status */
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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 5 GMM 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 5 GSM message contain the PDU session identity IE .
* The PDU session identity and its use to identify a message flow are defined in 3 GPP 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 5 GSM message contain the procedure transaction identity .
* The procedure transaction identity and its use are defined in 3 GPP TS 24.007
* XXX Only 5 GSM ?
*/
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 }
} ,
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{ & hf_nas_5gs_spare_b7 ,
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{ " Spare " , " nas_5gs.spare_b7 " ,
FT_UINT8 , BASE_DEC , NULL , 0x80 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b6 ,
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{ " Spare " , " nas_5gs.spare_b6 " ,
FT_UINT8 , BASE_DEC , NULL , 0x40 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b5 ,
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{ " Spare " , " nas_5gs.spare_b5 " ,
FT_UINT8 , BASE_DEC , NULL , 0x20 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b4 ,
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{ " Spare " , " nas_5gs.spare_b4 " ,
FT_UINT8 , BASE_DEC , NULL , 0x10 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b3 ,
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{ " Spare " , " nas_5gs.spare_b3 " ,
FT_UINT8 , BASE_DEC , NULL , 0x08 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b2 ,
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{ " Spare " , " nas_5gs.spare_b2 " ,
FT_UINT8 , BASE_DEC , NULL , 0x04 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_spare_b1 ,
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{ " Spare " , " nas_5gs.spare_b1 " ,
FT_UINT8 , BASE_DEC , NULL , 0x02 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_security_header_type ,
{ " Security header type " , " nas_5gs.security_header_type " ,
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FT_UINT8 , BASE_DEC , VALS ( nas_5gs_security_header_type_vals ) , 0x0f ,
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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 " ,
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FT_BOOLEAN , 8 , TFS ( & nas_5gs_for_tfs ) , 0x08 ,
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NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5gs_reg_type ,
{ " 5GS registration type " , " nas_5gs.mm.5gs_reg_type " ,
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FT_UINT8 , BASE_DEC , VALS ( nas_5gs_registration_type_values ) , 0x07 ,
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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 }
} ,
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{ & hf_nas_5gs_mm_sst ,
{ " Slice/service type (SST) " , " nas_5gs.mm.sst " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_sd ,
{ " Slice differentiator (SD) " , " nas_5gs.mm.mm_sd " ,
FT_UINT24 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_mapped_conf_sst ,
{ " Mapped configured SST " , " nas_5gs.mm.mapped_conf_sst " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_mapped_conf_ssd ,
{ " Mapped configured SD " , " nas_5gs.mm.mapped_conf_ssd " ,
FT_UINT24 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
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{ & 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 }
} ,
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{ & hf_nas_5gs_mm_dnn ,
{ " DNN " , " nas_5gs.mm.dnn " ,
FT_STRING , BASE_NONE , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_hash_amf ,
{ " HashAMF " , " nas_5gs.mm.hash_amf " ,
FT_UINT64 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_raai_b0 ,
{ " Registration Area Allocation Indication (RAAI) " , " nas_5gs.mm.raai_b0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_nas_5gs_raai ) , 0x01 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_conf_upd_ind_ack_b0 ,
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{ " Acknowledgement " , " nas_5gs.mm.conf_upd_ind.ack " ,
FT_BOOLEAN , 8 , TFS ( & tfs_requested_not_requested ) , 0x01 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_mm_conf_upd_ind_red_b1 ,
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{ " Registration " , " nas_5gs.mm.conf_upd_ind.red " ,
FT_BOOLEAN , 8 , TFS ( & tfs_requested_not_requested ) , 0x02 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_nas_sec_algo_enc ,
{ " Type of ciphering algorithm " , " nas_5gs.mm.nas_sec_algo_enc " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_type_of_enc_algo_vals ) , 0xf0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_nas_sec_algo_ip ,
{ " Type of integrity protection algorithm " , " nas_5gs.mm.nas_sec_algo_ip " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_type_of_ip_algo_vals ) , 0x0f ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_mm_nonceamf ,
{ " NonceAMF " , " nas_5gs.mm.nonceamf " ,
FT_UINT32 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_s1_mode_b0 ,
{ " S1 mode " , " nas_5gs.mm.s1_mode_b0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_requested_not_requested ) , 0x01 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_type_id ,
{ " Type of identity " , " nas_5gs.mm.type_id " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_type_id_vals ) , 0x03 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_odd_even ,
{ " Odd/even indication " , " nas_5gs.mm.odd_even " ,
FT_BOOLEAN , 8 , TFS ( & nas_5gs_odd_even_tfs ) , 0x08 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_length ,
{ " Length " , " nas_5gs.mm.length " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_pdu_ses_id ,
{ " PDU session identity " , " nas_5gs.mm.pdu_ses_id " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_old_pdu_ses_id ,
{ " Old PDU session identity " , " nas_5gs.mm.old_pdu_ses_id " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_pld_cont ,
{ " Payload container " , " nas_5gs.mm.pld_cont " ,
FT_BYTES , BASE_NONE , NULL , 0x0 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_mm_all_acc_b1b0 ,
{ " Allowed accesses " , " nas_5gs.mm.all_acc_b1b0 " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_all_acc_vals ) , 0x03 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_sup_acc_b1b0 ,
{ " Supported accesses " , " nas_5gs.mm.sup_acc_b1b0 " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_sup_acc_vals ) , 0x03 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_req_type ,
{ " Request type " , " nas_5gs.mm.req_typ " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_req_type_vals ) , 0x0f ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_serv_type ,
{ " Service type " , " nas_5gs.mm.serv_type " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_mm_serv_type_vals ) , 0x07 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ea0 ,
{ " 5G-EA0 " , " nas_5gs.mm.5g_ea0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x80 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128_5g_ea1 ,
{ " 128-5G-EA1 " , " nas_5gs.mm.128_5g_ea1 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x40 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128_5g_ea2 ,
{ " 128-5G-EA2 " , " nas_5gs.mm.128_5g_ea2 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x20 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128_5g_ea3 ,
{ " 128-5G-EA3 " , " nas_5gs.mm.128_5g_ea3 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x10 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ea4 ,
{ " 5G-EA4 " , " nas_5gs.mm.5g_ea4 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x08 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ea5 ,
{ " 5G-EA5 " , " nas_5gs.mm.5g_ea5 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x04 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ea6 ,
{ " 5G-EA6 " , " nas_5gs.mm.5g_ea6 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x02 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ea7 ,
{ " 5G-EA7 " , " nas_5gs.mm.5g_ea7 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x01 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ia0 ,
{ " EIA0 " , " nas_5gs.mm.ia0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x80 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_128_ia1 ,
{ " 128-EIA1 " , " nas_5gs.mm.5g_128_ia1 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x40 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_128_ia2 ,
{ " 128-EIA2 " , " nas_5gs.mm.5g_128_ia2 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x20 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_128_ia3 ,
{ " 128-EIA3 " , " nas_5gs.mm.5g_128_ia4 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x10 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ia4 ,
{ " EIA4 " , " nas_5gs.mm.5g_128_ia4 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x08 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ia5 ,
{ " EIA5 " , " nas_5gs.mm.5g_ia5 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x04 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ia6 ,
{ " EIA6 " , " nas_5gs.mm.5g_ia6 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x02 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_5g_ia7 ,
{ " EIA7 " , " nas_5gs.mm.5g_ia7 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x01 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea0 ,
{ " EEA0 " , " nas_5gs.mm.eea0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x80 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128eea1 ,
{ " 128-EEA1 " , " nas_5gs.mm.128eea1 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x40 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128eea2 ,
{ " 128-EEA2 " , " nas_5gs.mm.128eea2 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x20 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea3 ,
{ " 128-EEA3 " , " nas_5gs.mm.eea3 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x10 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea4 ,
{ " EEA4 " , " nas_5gs.mm.eea4 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x08 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea5 ,
{ " EEA5 " , " nas_5gs.mm.eea5 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x04 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea6 ,
{ " EEA6 " , " nas_5gs.mm.eea6 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x02 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eea7 ,
{ " EEA7 " , " nas_5gs.mm.eea7 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x01 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia0 ,
{ " EIA0 " , " nas_5gs.mm.eia0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x80 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128eia1 ,
{ " 128-EIA1 " , " nas_5gs.mm.128eia1 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x40 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_128eia2 ,
{ " 128-EIA2 " , " nas_5gs.mm.128eia2 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x20 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia3 ,
{ " 128-EIA3 " , " nas_5gs.mm.eia3 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x10 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia4 ,
{ " EIA4 " , " nas_5gs.mm.eia4 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x08 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia5 ,
{ " EIA5 " , " nas_5gs.mm.eia5 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x04 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia6 ,
{ " EIA6 " , " nas_5gs.mm.eia6 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x02 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_mm_eia7 ,
{ " EIA7 " , " nas_5gs.mm.eia7 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x01 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_mm_s1_mode_reg_b0 ,
{ " S1 mode reg " , " nas_5gs.mm.s1_mode_reg_b0 " ,
FT_BOOLEAN , 8 , TFS ( & tfs_nas_5gs_mm_s1_mod ) , 0x01 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_sm_pdu_session_type ,
{ " PDU session type " , " nas_5gs.sm.pdu_session_type " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_pdu_session_type_values ) , 0x0f ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_sc_mode ,
{ " SSC mode " , " nas_5gs.sm.sc_mode " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_sc_mode_values ) , 0x0f ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_sm_rqos_b0 ,
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{ " Reflective QoS(RqoS) " , " nas_5gs.sm.rqos " ,
FT_BOOLEAN , 8 , TFS ( & tfs_supported_not_supported ) , 0x01 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_sm_5gsm_cause ,
{ " 5GSM cause " , " nas_5gs.sm.5gsm_cause " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_sm_cause_vals ) , 0x0 ,
NULL , HFILL }
} ,
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{ & hf_nas_5gs_sm_pdu_ses_type ,
{ " PDU session type " , " nas_5gs.sm.pdu_ses_type " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_sm_pdu_ses_type_vals ) , 0x0f ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pdu_addr_inf_ipv4 ,
{ " PDU address information " , " nas_5gs.sm.pdu_addr_inf_ipv4 " ,
FT_IPv4 , BASE_NONE , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pdu_addr_inf_ipv6 ,
{ " PDU address information " , " nas_5gs.sm.pdu_addr_inf_ipv6 " ,
FT_IPv6 , BASE_NONE , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_qos_rule_id ,
{ " QoS rule identifier " , " nas_5gs.sm.qos_rule_id " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_length ,
{ " Length " , " nas_5gs.sm.length " ,
FT_UINT16 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_rop ,
{ " Rule operation code " , " nas_5gs.sm.rop " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_rule_operation_code_values ) , 0xe0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_dqr ,
{ " DQR " , " nas_5gs.sm.dqr " ,
FT_BOOLEAN , 8 , TFS ( & tfs_nas_5gs_sm_dqr ) , 0x10 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_nof_pkt_filters ,
{ " Number of packet filters " , " nas_5gs.sm.nof_pkt_filters " ,
FT_UINT8 , BASE_DEC , NULL , 0x0f ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pkt_flt_dir ,
{ " Packet filter direction " , " nas_5gs.sm.pkt_flt_dir " ,
FT_UINT8 , BASE_DEC , NULL , 0x30 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pkt_flt_id ,
{ " Packet filter identifier " , " nas_5gs.sm.pkt_flt_id " ,
FT_UINT8 , BASE_DEC , NULL , 0x0f ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pf_len ,
{ " Length " , " nas_5gs.sm.pf_len " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL }
} ,
{ & hf_nas_5gs_sm_pf_type ,
{ " Packet filter component type " , " nas_5gs.sm.pf_type " ,
FT_UINT8 , BASE_DEC , VALS ( nas_5gs_sm_pf_type_values ) , 0x0 ,
NULL , HFILL }
} ,
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} ;
guint i ;
guint last_offset ;
/* Setup protocol subtree array */
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# define NUM_INDIVIDUAL_ELEMS 4
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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 ;
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ett [ 1 ] = & ett_nas_5gs_mm_nssai ;
ett [ 2 ] = & ett_nas_5gs_mm_pdu_ses_id ;
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ett [ 3 ] = & ett_nas_5gs_sm_qos_rules ;
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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 } } ,
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{ & ei_nas_5gs_missing_mandatory_elemen , { " nas_5gs.missing_mandatory_element " , PI_PROTOCOL , PI_ERROR , " Missing Mandatory element, rest of dissection is suspect " , EXPFILL } } ,
{ & ei_nas_5gs_dnn_too_long , { " nas_5gs.dnn_to_long " , PI_PROTOCOL , PI_ERROR , " DNN encoding has more than 100 octets " , EXPFILL } } ,
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{ & ei_nas_5gs_unknown_value , { " nas_5gs.unknown_value " , PI_PROTOCOL , PI_ERROR , " Value not according to (decoded)specification " , EXPFILL } } ,
{ & ei_nas_5gs_num_pkt_flt , { " nas_5gs.num_pkt_flt " , PI_PROTOCOL , PI_ERROR , " num_pkt_flt != 0 " , EXPFILL } } ,
{ & ei_nas_5gs_not_diss , { " nas_5gs.not_diss " , PI_PROTOCOL , PI_NOTE , " Not dissected yet " , EXPFILL } } ,
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} ;
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 )
{
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eap_handle = find_dissector ( " eap " ) ;
nas_eps_handle = find_dissector ( " nas-eps " ) ;
nas_eps_plain_handle = find_dissector ( " nas-eps_plain " ) ;
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}
/*
* 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 :
*/