mirror of https://github.com/PentHertz/srsLTE.git
Continue to pack security mode command
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d5e1290883
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@ -42,6 +42,7 @@ public:
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bool unpack_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *init_ue, LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req, LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT *pdn_con_req);
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bool pack_authentication_request(srslte::byte_buffer_t *reply_msg, uint32_t enb_ue_s1ap_id, uint32_t next_mme_ue_s1ap_id, uint8_t *autn,uint8_t *rand);
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bool unpack_authentication_response(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT *ul_xport, LIBLTE_MME_AUTHENTICATION_RESPONSE_MSG_STRUCT *auth_resp);
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bool pack_security_mode_command(srslte::byte_buffer_t *reply_msg, ue_ctx_t *ue_ctx);
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void log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req);
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void log_unhandled_pdn_con_request_ies(const LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT *pdn_con_req);
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@ -322,7 +322,7 @@ s1ap::handle_uplink_nas_transport(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT
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ue_ctx_t *ue_ctx;
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LIBLTE_MME_AUTHENTICATION_RESPONSE_MSG_STRUCT auth_resp;
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srslte::byte_buffer_t *reply_msg = m_pool->allocate();
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srslte::byte_buffer_t *reply_msg;
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m_s1ap_log->console("Received Uplink NAS Transport message. MME-UE S1AP Id: %d\n",mme_ue_s1ap_id);
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m_s1ap_log->info("Received Uplink NAS Transport message. MME-UE S1AP Id: %d\n",mme_ue_s1ap_id);
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@ -357,8 +357,9 @@ s1ap::handle_uplink_nas_transport(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT
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}
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m_s1ap_log->console("UE Authentication Accepted. IMSI: %lu\n", ue_ctx->imsi);
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reply_msg = m_pool->allocate();
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m_s1ap_nas_transport.pack_security_mode_command();
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m_s1ap_nas_transport.pack_security_mode_command(reply_msg, ue_ctx);
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/*
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typedef struct{
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@ -395,6 +396,31 @@ s1ap::handle_uplink_nas_transport(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT
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bool nonce_mme_present;
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}LIBLTE_MME_SECURITY_MODE_COMMAND_MSG_STRUCT;
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*/
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/*
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typedef struct{
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LIBLTE_MME_TYPE_OF_CIPHERING_ALGORITHM_ENUM type_of_eea;
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LIBLTE_MME_TYPE_OF_INTEGRITY_ALGORITHM_ENUM type_of_eia;
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}LIBLTE_MME_NAS_SECURITY_ALGORITHMS_STRUCT;
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*/
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/*
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typedef struct{
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LIBLTE_MME_TYPE_OF_SECURITY_CONTEXT_FLAG_ENUM tsc_flag;
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uint8 nas_ksi;
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}LIBLTE_MME_NAS_KEY_SET_ID_STRUCT;
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*/
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/*
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typedef struct{
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bool eea[8];
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bool eia[8];
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bool uea[8];
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bool uea_present;
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bool uia[8];
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bool uia_present;
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bool gea[8];
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bool gea_present;
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}LIBLTE_MME_UE_SECURITY_CAPABILITIES_STRUCT;
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*/
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//m_s1ap_nas_transport.log_unhandled_uplink_nas_transport_message_ies(ul_xport);
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@ -182,7 +182,8 @@ s1ap_nas_transport::unpack_authentication_response(LIBLTE_S1AP_MESSAGE_UPLINKNAS
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return true;
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}
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s1ap_nas_transport::pack_security_mode_command(srslte::byte_buffer_t reply_msg, mme_ue_ctx_t *ue_ctx)
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bool
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s1ap_nas_transport::pack_security_mode_command(srslte::byte_buffer_t *reply_msg, ue_ctx_t *ue_ctx)
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{
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srslte::byte_buffer_t *nas_buffer = m_pool->allocate();
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@ -209,11 +210,23 @@ s1ap_nas_transport::pack_security_mode_command(srslte::byte_buffer_t reply_msg,
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//Pack NAS PDU
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LIBLTE_MME_SECURITY_MODE_COMMAND_MSG_STRUCT sm_cmd;
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sm_cmd.selected_nas_sec_algs;
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sm_cmd.selected_nas_sec_algs.type_of_eea = LIBLTE_MME_TYPE_OF_CIPHERING_ALGORITHM_EEA0;
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sm_cmd.selected_nas_sec_algs.type_of_eia = LIBLTE_MME_TYPE_OF_INTEGRITY_ALGORITHM_EIA0;
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sm_cmd.nas_ksi.tsc_flag=LIBLTE_MME_TYPE_OF_SECURITY_CONTEXT_FLAG_NATIVE;
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sm_cmd.nas_ksi.nas_ksi=0;
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LIBLTE_ERROR_ENUM err = liblte_mme_pack_security_mode_command_msg(&sm_cmd, (LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
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//FIXME UE security cap not used by srsUE.
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//sm_cmd.ue_security_cap;
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sm_cmd.imeisv_req_present=false;
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sm_cmd.nonce_ue_present=false;
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sm_cmd.nonce_mme_present=false;
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uint8_t sec_hdr_type;
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uint32_t count;
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LIBLTE_ERROR_ENUM err = liblte_mme_pack_security_mode_command_msg(&sm_cmd,sec_hdr_type, count,(LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
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if(err != LIBLTE_SUCCESS)
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{
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m_s1ap_log->console("Error packing Athentication Request\n");
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@ -238,49 +251,10 @@ s1ap_nas_transport::pack_security_mode_command(srslte::byte_buffer_t reply_msg,
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}
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/*
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typedef struct{
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LIBLTE_MME_NAS_SECURITY_ALGORITHMS_STRUCT selected_nas_sec_algs;
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LIBLTE_MME_NAS_KEY_SET_ID_STRUCT nas_ksi;
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LIBLTE_MME_UE_SECURITY_CAPABILITIES_STRUCT ue_security_cap;
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LIBLTE_MME_IMEISV_REQUEST_ENUM imeisv_req;
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uint32 nonce_ue;
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uint32 nonce_mme;
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bool imeisv_req_present;
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bool nonce_ue_present;
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bool nonce_mme_present;
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}LIBLTE_MME_SECURITY_MODE_COMMAND_MSG_STRUCT;
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*/
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/*
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typedef struct{
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LIBLTE_MME_TYPE_OF_CIPHERING_ALGORITHM_ENUM type_of_eea;
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LIBLTE_MME_TYPE_OF_INTEGRITY_ALGORITHM_ENUM type_of_eia;
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}LIBLTE_MME_NAS_SECURITY_ALGORITHMS_STRUCT;
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*/
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/*
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typedef struct{
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LIBLTE_MME_TYPE_OF_SECURITY_CONTEXT_FLAG_ENUM tsc_flag;
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uint8 nas_ksi;
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}LIBLTE_MME_NAS_KEY_SET_ID_STRUCT;
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*/
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/*
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typedef struct{
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bool eea[8];
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bool eia[8];
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bool uea[8];
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bool uea_present;
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bool uia[8];
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bool uia_present;
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bool gea[8];
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bool gea_present;
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}LIBLTE_MME_UE_SECURITY_CAPABILITIES_STRUCT;
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*/
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}
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/*Helper functions*/
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voi::log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req)
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void
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s1ap_nas_transport::log_unhandled_attach_request_ies(const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT *attach_req)
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{
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if(attach_req->old_p_tmsi_signature_present)
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{
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