mirror of https://github.com/PentHertz/srsLTE.git
Small commit
This commit is contained in:
Pedro Alvarez
parent
57990ba60d
commit
b14c6e85f4
|
|
@ -729,6 +729,117 @@ s1ap_nas_transport::pack_esm_information_request(srslte::byte_buffer_t *reply_ms
|
|||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
s1ap_nas_transport::pack_attach_accept(ue_ctx_t *ue_ctx, LIBLTE_S1AP_E_RABTOBESETUPITEMCTXTSUREQ_STRUCT *erab_ctxt, struct srslte::gtpc_pdn_address_allocation_ie *paa, srslte::byte_buffer_t *nas_buffer) {
|
||||
LIBLTE_MME_ATTACH_ACCEPT_MSG_STRUCT attach_accept;
|
||||
LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT act_def_eps_bearer_context_req;
|
||||
bzero(&act_def_eps_bearer_context_req,sizeof(LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT));
|
||||
|
||||
m_s1ap_log->info("Packing Attach Accept\n");
|
||||
|
||||
//Attach accept
|
||||
attach_accept.eps_attach_result = LIBLTE_MME_EPS_ATTACH_RESULT_EPS_ONLY;
|
||||
//Mandatory
|
||||
//FIXME: Set t3412 from config
|
||||
attach_accept.t3412.unit = LIBLTE_MME_GPRS_TIMER_UNIT_1_MINUTE; // GPRS 1 minute unit
|
||||
attach_accept.t3412.value = 30; // 30 minute periodic timer
|
||||
//FIXME: Set tai_list from config
|
||||
attach_accept.tai_list.N_tais = 1;
|
||||
attach_accept.tai_list.tai[0].mcc = 1;
|
||||
attach_accept.tai_list.tai[0].mnc = 1;
|
||||
attach_accept.tai_list.tai[0].tac = 7;
|
||||
|
||||
//Allocate a GUTI ot the UE
|
||||
attach_accept.guti_present=true;
|
||||
attach_accept.guti.type_of_id = 6; //110 -> GUTI
|
||||
attach_accept.guti.guti.mcc = 1;
|
||||
attach_accept.guti.guti.mnc = 1;
|
||||
attach_accept.guti.guti.mme_group_id = 0x0001;
|
||||
attach_accept.guti.guti.mme_code = 0x1a;
|
||||
attach_accept.guti.guti.m_tmsi = 0x124ae;
|
||||
/*
|
||||
typedef struct{
|
||||
uint32 m_tmsi;
|
||||
uint16 mcc;
|
||||
uint16 mnc;
|
||||
uint16 mme_group_id;
|
||||
uint8 mme_code;
|
||||
}LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT;
|
||||
typedef struct{
|
||||
LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT guti;
|
||||
uint8 type_of_id;
|
||||
uint8 imsi[15];
|
||||
uint8 imei[15];
|
||||
}LIBLTE_MME_EPS_MOBILE_ID_STRUCT;*/
|
||||
|
||||
//Make sure all unused options are set to false
|
||||
attach_accept.lai_present=false;
|
||||
attach_accept.ms_id_present=false;
|
||||
attach_accept.emm_cause_present=false;
|
||||
attach_accept.t3402_present=false;
|
||||
attach_accept.t3423_present=false;
|
||||
attach_accept.equivalent_plmns_present=false;
|
||||
attach_accept.emerg_num_list_present=false;
|
||||
attach_accept.eps_network_feature_support_present=false;
|
||||
attach_accept.additional_update_result_present=false;
|
||||
attach_accept.t3412_ext_present=false;
|
||||
|
||||
//Set activate default eps bearer (esm_ms)
|
||||
//Set pdn_addr
|
||||
act_def_eps_bearer_context_req.pdn_addr.pdn_type = LIBLTE_MME_PDN_TYPE_IPV4;
|
||||
memcpy(act_def_eps_bearer_context_req.pdn_addr.addr, &paa->ipv4, 4);
|
||||
//Set eps bearer id
|
||||
act_def_eps_bearer_context_req.eps_bearer_id = erab_ctxt->e_RAB_ID.E_RAB_ID;
|
||||
printf("%d\n",act_def_eps_bearer_context_req.eps_bearer_id);
|
||||
act_def_eps_bearer_context_req.transaction_id_present = false;
|
||||
//set eps_qos
|
||||
act_def_eps_bearer_context_req.eps_qos.qci = erab_ctxt->e_RABlevelQoSParameters.qCI.QCI;
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_ul = 254; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_dl = 254; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_ul_ext = 250; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_dl_ext = 250; //FIXME check
|
||||
//set apn
|
||||
//act_def_eps_bearer_context_req.apn
|
||||
std::string apn("test123");
|
||||
act_def_eps_bearer_context_req.apn.apn = apn; //FIXME
|
||||
act_def_eps_bearer_context_req.proc_transaction_id = ue_ctx->procedure_transaction_id; //FIXME
|
||||
|
||||
//Set DNS server
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts_present = true;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.N_opts = 1;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].id = 0x0d;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].len = 4;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[0] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[1] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[2] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[3] = 8;
|
||||
|
||||
uint8_t sec_hdr_type =2;
|
||||
ue_ctx->security_ctxt.dl_nas_count++;
|
||||
liblte_mme_pack_activate_default_eps_bearer_context_request_msg(&act_def_eps_bearer_context_req, &attach_accept.esm_msg);
|
||||
liblte_mme_pack_attach_accept_msg(&attach_accept, sec_hdr_type, ue_ctx->security_ctxt.dl_nas_count, (LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
|
||||
//Integrity protect NAS message
|
||||
uint8_t mac[4];
|
||||
srslte::security_128_eia1 (&ue_ctx->security_ctxt.k_nas_int[16],
|
||||
ue_ctx->security_ctxt.dl_nas_count,
|
||||
0,
|
||||
SECURITY_DIRECTION_DOWNLINK,
|
||||
&nas_buffer->msg[5],
|
||||
nas_buffer->N_bytes - 5,
|
||||
mac
|
||||
);
|
||||
|
||||
memcpy(&nas_buffer->msg[1],mac,4);
|
||||
m_s1ap_log->info("Packed Attach Complete\n");
|
||||
|
||||
//Add nas message to context setup request
|
||||
erab_ctxt->nAS_PDU_present = true;
|
||||
memcpy(erab_ctxt->nAS_PDU.buffer, nas_buffer->msg, nas_buffer->N_bytes);
|
||||
erab_ctxt->nAS_PDU.n_octets = nas_buffer->N_bytes;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*Helper functions*/
|
||||
|
|
@ -857,115 +968,4 @@ s1ap_nas_transport::log_unhandled_initial_ue_message_ies(LIBLTE_S1AP_MESSAGE_INI
|
|||
}
|
||||
|
||||
|
||||
bool
|
||||
s1ap_nas_transport::pack_attach_accept(ue_ctx_t *ue_ctx, LIBLTE_S1AP_E_RABTOBESETUPITEMCTXTSUREQ_STRUCT *erab_ctxt, struct srslte::gtpc_pdn_address_allocation_ie *paa, srslte::byte_buffer_t *nas_buffer) {
|
||||
LIBLTE_MME_ATTACH_ACCEPT_MSG_STRUCT attach_accept;
|
||||
LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT act_def_eps_bearer_context_req;
|
||||
bzero(&act_def_eps_bearer_context_req,sizeof(LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT));
|
||||
|
||||
m_s1ap_log->info("Packing Attach Accept\n");
|
||||
|
||||
//Attach accept
|
||||
attach_accept.eps_attach_result = LIBLTE_MME_EPS_ATTACH_RESULT_EPS_ONLY;
|
||||
//Mandatory
|
||||
//FIXME: Set t3412 from config
|
||||
attach_accept.t3412.unit = LIBLTE_MME_GPRS_TIMER_UNIT_1_MINUTE; // GPRS 1 minute unit
|
||||
attach_accept.t3412.value = 30; // 30 minute periodic timer
|
||||
//FIXME: Set tai_list from config
|
||||
attach_accept.tai_list.N_tais = 1;
|
||||
attach_accept.tai_list.tai[0].mcc = 1;
|
||||
attach_accept.tai_list.tai[0].mnc = 1;
|
||||
attach_accept.tai_list.tai[0].tac = 7;
|
||||
|
||||
//Allocate a GUTI ot the UE
|
||||
attach_accept.guti_present=true;
|
||||
attach_accept.guti.type_of_id = 6; //110 -> GUTI
|
||||
attach_accept.guti.guti.mcc = 1;
|
||||
attach_accept.guti.guti.mnc = 1;
|
||||
attach_accept.guti.guti.mme_group_id = 0x0001;
|
||||
attach_accept.guti.guti.mme_code = 0x1a;
|
||||
attach_accept.guti.guti.m_tmsi = 0x124ae;
|
||||
/*
|
||||
typedef struct{
|
||||
uint32 m_tmsi;
|
||||
uint16 mcc;
|
||||
uint16 mnc;
|
||||
uint16 mme_group_id;
|
||||
uint8 mme_code;
|
||||
}LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT;
|
||||
typedef struct{
|
||||
LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT guti;
|
||||
uint8 type_of_id;
|
||||
uint8 imsi[15];
|
||||
uint8 imei[15];
|
||||
}LIBLTE_MME_EPS_MOBILE_ID_STRUCT;*/
|
||||
|
||||
//Make sure all unused options are set to false
|
||||
attach_accept.lai_present=false;
|
||||
attach_accept.ms_id_present=false;
|
||||
attach_accept.emm_cause_present=false;
|
||||
attach_accept.t3402_present=false;
|
||||
attach_accept.t3423_present=false;
|
||||
attach_accept.equivalent_plmns_present=false;
|
||||
attach_accept.emerg_num_list_present=false;
|
||||
attach_accept.eps_network_feature_support_present=false;
|
||||
attach_accept.additional_update_result_present=false;
|
||||
attach_accept.t3412_ext_present=false;
|
||||
|
||||
//Set activate default eps bearer (esm_ms)
|
||||
//Set pdn_addr
|
||||
act_def_eps_bearer_context_req.pdn_addr.pdn_type = LIBLTE_MME_PDN_TYPE_IPV4;
|
||||
memcpy(act_def_eps_bearer_context_req.pdn_addr.addr, &paa->ipv4, 4);
|
||||
//Set eps bearer id
|
||||
act_def_eps_bearer_context_req.eps_bearer_id = erab_ctxt->e_RAB_ID.E_RAB_ID;
|
||||
printf("%d\n",act_def_eps_bearer_context_req.eps_bearer_id);
|
||||
act_def_eps_bearer_context_req.transaction_id_present = false;
|
||||
//set eps_qos
|
||||
act_def_eps_bearer_context_req.eps_qos.qci = erab_ctxt->e_RABlevelQoSParameters.qCI.QCI;
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_ul = 254; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_dl = 254; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_ul_ext = 250; //FIXME
|
||||
act_def_eps_bearer_context_req.eps_qos.mbr_dl_ext = 250; //FIXME check
|
||||
//set apn
|
||||
//act_def_eps_bearer_context_req.apn
|
||||
std::string apn("test123");
|
||||
act_def_eps_bearer_context_req.apn.apn = apn; //FIXME
|
||||
act_def_eps_bearer_context_req.proc_transaction_id = ue_ctx->procedure_transaction_id; //FIXME
|
||||
|
||||
//Set DNS server
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts_present = true;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.N_opts = 1;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].id = 0x0d;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].len = 4;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[0] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[1] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[2] = 8;
|
||||
act_def_eps_bearer_context_req.protocol_cnfg_opts.opt[0].contents[3] = 8;
|
||||
|
||||
uint8_t sec_hdr_type =2;
|
||||
ue_ctx->security_ctxt.dl_nas_count++;
|
||||
liblte_mme_pack_activate_default_eps_bearer_context_request_msg(&act_def_eps_bearer_context_req, &attach_accept.esm_msg);
|
||||
liblte_mme_pack_attach_accept_msg(&attach_accept, sec_hdr_type, ue_ctx->security_ctxt.dl_nas_count, (LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
|
||||
//Integrity protect NAS message
|
||||
uint8_t mac[4];
|
||||
srslte::security_128_eia1 (&ue_ctx->security_ctxt.k_nas_int[16],
|
||||
ue_ctx->security_ctxt.dl_nas_count,
|
||||
0,
|
||||
SECURITY_DIRECTION_DOWNLINK,
|
||||
&nas_buffer->msg[5],
|
||||
nas_buffer->N_bytes - 5,
|
||||
mac
|
||||
);
|
||||
|
||||
memcpy(&nas_buffer->msg[1],mac,4);
|
||||
m_s1ap_log->info("Packed Attach Complete\n");
|
||||
|
||||
//Add nas message to context setup request
|
||||
erab_ctxt->nAS_PDU_present = true;
|
||||
memcpy(erab_ctxt->nAS_PDU.buffer, nas_buffer->msg, nas_buffer->N_bytes);
|
||||
erab_ctxt->nAS_PDU.n_octets = nas_buffer->N_bytes;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
} //namespace srsepc
|
||||
|
|
|
|||
Loading…
Reference in New Issue