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srsLTE
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Starting to get the IMSI from the attach request.

This commit is contained in:
Pedro Alvarez 2017-10-26 18:26:47 +01:00
parent ef73254707
commit efe258fb6f
3 changed files with 88 additions and 6 deletions
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5
srsepc/hdr/hss/hss.h
View File

@ -47,6 +47,7 @@ typedef struct{
}hss_args_t;
class hss
{
public:
@ -54,6 +55,10 @@ public:
static void cleanup(void);
int init(hss_args_t *hss_args, srslte::logger* logger);
//bool gen_auth_info_answer(uint64_t imsi);
//bool get_k_amf_op(uint64_t imsi, *k, *amf, *op);
private:
hss();

1
srsepc/src/main.cc
View File

@ -179,7 +179,6 @@ main (int argc,char * argv[] )
exit(1);
}
mme->start();
while(running) {

88
srsepc/src/mme/s1ap.cc
View File

@ -234,17 +234,58 @@ s1ap::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *msg
m_s1ap_log->console("Received Initial UE Message\n");
m_s1ap_log->info("Received Initial UE Message\n");
//msg->eNB_UE_S1AP_ID;
LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT attach_req;
LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT pdn_con_req;
if(!liblte_mme_pack_attach_request_msg(&attach_req, (LIBLTE_BYTE_MSG_STRUCT *) &msg->NAS_PDU.buffer))
{
/*Get */
/*Get NAS Attach Request Message*/
if(!liblte_mme_unpack_attach_request_msg((LIBLTE_BYTE_MSG_STRUCT *) msg->NAS_PDU.buffer, &attach_req)){
m_s1ap_log->console("Error unpacking NAS attach request.");
}
else{
m_s1ap_log->console("Unpacked NAS attach request.");
}
if(attach_req.eps_mobile_id.type_of_id!=LIBLTE_MME_EPS_MOBILE_ID_TYPE_IMSI){
m_s1ap_log->warning("NAS Attach Request: Unhandle UE Id Type");
}
else{
m_s1ap_log->console("IMSI: %d", attach_req.eps_mobile_id.imsi);
}
if(attach_req.old_p_tmsi_signature_present){}
if(attach_req.additional_guti_present){}
if(attach_req.last_visited_registered_tai_present){}
if(attach_req.drx_param_present){}
if(attach_req.ms_network_cap_present){}
if(attach_req.old_lai_present){}
if(attach_req.tmsi_status_present){}
if(attach_req.ms_cm2_present){}
if(attach_req.ms_cm3_present){}
if(attach_req.supported_codecs_present){}
if(attach_req.additional_update_type_present){}
if(attach_req.voice_domain_pref_and_ue_usage_setting_present){}
if(attach_req.device_properties_present){}
if(attach_req.old_guti_type_present){}
/*Handle PDN Connctivity Request*/
liblte_mme_unpack_pdn_connectivity_request_msg(&attach_req.esm_msg, &pdn_con_req);
pdn_con_req.eps_bearer_id
pdn_con_req.proc_transaction_id = 0x01; // First transaction ID
pdn_con_req.pdn_type = LIBLTE_MME_PDN_TYPE_IPV4;
pdn_con_req.request_type = LIBLTE_MME_REQUEST_TYPE_INITIAL_REQUEST;
// Set the optional flags
if(pdn_con_req.esm_info_transfer_flag_present){}
if(pdn_con_req.apn_present){}
if(pdn_con_req.protocol_cnfg_opts_present){}
if(pdn_con_req.device_properties_present){}
/*Log unhandled IEs*/
if(msg->S_TMSI_present){
m_s1ap_log->warning("S-TMSI present, but not handled.");
@ -279,7 +320,44 @@ s1ap::handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *msg
if(msg->LHN_ID_present){
m_s1ap_log->warning("LHN Id present, but not handled.");
}
/*
typedef struct{
LIBLTE_MME_NAS_KEY_SET_ID_STRUCT nas_ksi;
LIBLTE_MME_EPS_MOBILE_ID_STRUCT eps_mobile_id;
LIBLTE_MME_UE_NETWORK_CAPABILITY_STRUCT ue_network_cap;
LIBLTE_BYTE_MSG_STRUCT esm_msg;
LIBLTE_MME_EPS_MOBILE_ID_STRUCT additional_guti;
LIBLTE_MME_TRACKING_AREA_ID_STRUCT last_visited_registered_tai;
LIBLTE_MME_DRX_PARAMETER_STRUCT drx_param;
LIBLTE_MME_MS_NETWORK_CAPABILITY_STRUCT ms_network_cap;
LIBLTE_MME_LOCATION_AREA_ID_STRUCT old_lai;
LIBLTE_MME_MOBILE_STATION_CLASSMARK_2_STRUCT ms_cm2;
LIBLTE_MME_MOBILE_STATION_CLASSMARK_3_STRUCT ms_cm3;
LIBLTE_MME_SUPPORTED_CODEC_LIST_STRUCT supported_codecs;
LIBLTE_MME_VOICE_DOMAIN_PREF_AND_UE_USAGE_SETTING_STRUCT voice_domain_pref_and_ue_usage_setting;
LIBLTE_MME_TMSI_STATUS_ENUM tmsi_status;
LIBLTE_MME_ADDITIONAL_UPDATE_TYPE_ENUM additional_update_type;
LIBLTE_MME_DEVICE_PROPERTIES_ENUM device_properties;
LIBLTE_MME_GUTI_TYPE_ENUM old_guti_type;
uint32 old_p_tmsi_signature;
uint8 eps_attach_type;
bool old_p_tmsi_signature_present;
bool additional_guti_present;
bool last_visited_registered_tai_present;
bool drx_param_present;
bool ms_network_cap_present;
bool old_lai_present;
bool tmsi_status_present;
bool ms_cm2_present;
bool ms_cm3_present;
bool supported_codecs_present;
bool additional_update_type_present;
bool voice_domain_pref_and_ue_usage_setting_present;
bool device_properties_present;
bool old_guti_type_present;
}LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT;
*/
/*
typedef struct{
bool ext;