mirror of https://github.com/PentHertz/srsLTE.git
fixed handling of UE indentity request
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4a8d83721a
commit
f458d58527
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@ -180,7 +180,7 @@ private:
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void gen_service_request(byte_buffer_t *msg);
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// Senders
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void send_identity_response();
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void send_identity_response(uint32_t lcid, uint8 id_type);
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void send_service_request();
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void send_esm_information_response(const uint8 proc_transaction_id);
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void send_authentication_response(const uint8_t* res, const size_t res_len, const uint8_t sec_hdr_type);
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@ -805,31 +805,15 @@ void nas::parse_identity_request(uint32_t lcid, byte_buffer_t *pdu) {
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ZERO_OBJECT(id_resp);
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liblte_mme_unpack_identity_request_msg((LIBLTE_BYTE_MSG_STRUCT *) pdu, &id_req);
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// Deallocate PDU after parsing
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pool->deallocate(pdu);
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ctxt.rx_count++;
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nas_log->info("Received Identity Request. ID type: %d\n", id_req.id_type);
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switch(id_req.id_type) {
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case LIBLTE_MME_MOBILE_ID_TYPE_IMSI:
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id_resp.mobile_id.type_of_id = LIBLTE_MME_MOBILE_ID_TYPE_IMSI;
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usim->get_imsi_vec(id_resp.mobile_id.imsi, 15);
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break;
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case LIBLTE_MME_MOBILE_ID_TYPE_IMEI:
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id_resp.mobile_id.type_of_id = LIBLTE_MME_MOBILE_ID_TYPE_IMEI;
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usim->get_imei_vec(id_resp.mobile_id.imei, 15);
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break;
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default:
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nas_log->error("Unhandled ID type: %d\n", id_req.id_type);
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pool->deallocate(pdu);
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return;
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}
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pdu->reset();
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liblte_mme_pack_identity_response_msg(&id_resp, (LIBLTE_BYTE_MSG_STRUCT *) pdu);
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if(pcap != NULL) {
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pcap->write_nas(pdu->msg, pdu->N_bytes);
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}
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rrc->write_sdu(lcid, pdu);
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send_identity_response(lcid, id_req.id_type);
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}
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void nas::parse_security_mode_command(uint32_t lcid, byte_buffer_t *pdu)
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@ -1329,7 +1313,40 @@ void nas::send_authentication_failure(const uint8_t cause, const uint8_t* auth_f
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}
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void nas::send_identity_response() {}
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void nas::send_identity_response(uint32_t lcid, uint8 id_type)
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{
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LIBLTE_MME_ID_RESPONSE_MSG_STRUCT id_resp;
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ZERO_OBJECT(id_resp);
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switch(id_type) {
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case LIBLTE_MME_MOBILE_ID_TYPE_IMSI:
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id_resp.mobile_id.type_of_id = LIBLTE_MME_MOBILE_ID_TYPE_IMSI;
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usim->get_imsi_vec(id_resp.mobile_id.imsi, 15);
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break;
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case LIBLTE_MME_MOBILE_ID_TYPE_IMEI:
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id_resp.mobile_id.type_of_id = LIBLTE_MME_MOBILE_ID_TYPE_IMEI;
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usim->get_imei_vec(id_resp.mobile_id.imei, 15);
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break;
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default:
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nas_log->error("Unhandled ID type: %d\n", id_type);
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return;
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}
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byte_buffer_t *pdu = pool_allocate_blocking;
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if (!pdu) {
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nas_log->error("Fatal Error: Couldn't allocate PDU in send_identity_response().\n");
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return;
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}
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liblte_mme_pack_identity_response_msg(&id_resp, (LIBLTE_BYTE_MSG_STRUCT *) pdu);
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if(pcap != NULL) {
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pcap->write_nas(pdu->msg, pdu->N_bytes);
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}
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rrc->write_sdu(lcid, pdu);
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ctxt.tx_count++;
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}
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void nas::send_service_request() {
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byte_buffer_t *msg = pool_allocate_blocking;
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