88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file RegistrationAccept.c
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\brief 5GS registration accept procedures
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\author Yoshio INOUE, Masayuki HARADA
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\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
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\date 2020
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\version 0.1
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "TLVEncoder.h"
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#include "TLVDecoder.h"
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#include "RegistrationAccept.h"
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#include "assertions.h"
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int decode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
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{
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uint32_t decoded = 0;
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int decoded_result = 0;
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/* Decoding mandatory fields */
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if ((decoded_result = decode_fgs_registration_result(®istration_accept->fgsregistrationresult, 0, *(buffer + decoded), len - decoded)) < 0)
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return decoded_result;
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decoded += decoded_result;
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if (decoded < len && buffer[decoded] == 0x77) {
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registration_accept->guti = calloc(1, sizeof(*registration_accept->guti));
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if (!registration_accept->guti)
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return -1;
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int mi_dec = decode_5gs_mobile_identity(registration_accept->guti, 0x77, buffer + decoded, len - decoded);
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if (mi_dec < 0)
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return -1;
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decoded += mi_dec;
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}
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// todo ,Decoding optional fields
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return decoded;
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}
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int encode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len)
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{
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int encoded = 0;
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LOG_FUNC_IN;
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*(buffer + encoded) = encode_fgs_registration_result(®istration_accept->fgsregistrationresult);
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encoded = encoded + 2;
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if (registration_accept->guti) {
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int mi_enc = encode_5gs_mobile_identity(registration_accept->guti, 0x77, buffer + encoded, len - encoded);
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if (mi_enc < 0)
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return mi_enc;
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encoded += mi_enc;
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}
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// todo ,Encoding optional fields
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LOG_FUNC_RETURN(encoded);
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}
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