From f2bb26a91b75ec97a637d76c2dd4443f4e3dc3d0 Mon Sep 17 00:00:00 2001 From: He Shanyun Date: Wed, 28 Oct 2020 05:59:58 +0000 Subject: [PATCH] add decode and encode for registration accept --- cmake_targets/CMakeLists.txt | 2 + .../NAS/COMMON/EMM/MSG/RegistrationAccept.c | 49 +++++++++++++++++++ .../NAS/COMMON/EMM/MSG/RegistrationAccept.h | 45 +++++++++++++++++ .../NAS/COMMON/IES/FGSRegistrationResult.c | 41 ++++++++++++++++ .../NAS/COMMON/IES/FGSRegistrationResult.h | 38 ++++++++++++++ 5 files changed, 175 insertions(+) create mode 100644 openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c create mode 100644 openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h create mode 100644 openair3/NAS/COMMON/IES/FGSRegistrationResult.c create mode 100644 openair3/NAS/COMMON/IES/FGSRegistrationResult.h diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index 5bf01edf12..ca92373172 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -2454,6 +2454,7 @@ if(ITTI_SIM) set(libnrnas_emm_msg_OBJS ${NAS_SRC}COMMON/EMM/MSG/RegistrationRequest.c + ${NAS_SRC}COMMON/EMM/MSG/RegistrationAccept.c ) set(libnrnas_ies_OBJS @@ -2461,6 +2462,7 @@ if(ITTI_SIM) ${NAS_SRC}COMMON/IES/FGSMobileIdentity.c ${NAS_SRC}COMMON/IES/FGSRegistrationType.c ${NAS_SRC}COMMON/IES/SpareHalfOctet.c + ${NAS_SRC}COMMON/IES/FGSRegistrationResult.c ${NAS_SRC}COMMON/IES/FGMMCapability.c ${NAS_SRC}COMMON/IES/NrUESecurityCapability.c ) diff --git a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c new file mode 100644 index 0000000000..fb263e6b34 --- /dev/null +++ b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.c @@ -0,0 +1,49 @@ +/*! \file RegistrationAccept.c + +\brief 5GS registration accept procedures +\author Yoshio INOUE, Masayuki HARADA +\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com +\date 2020 +\version 0.1 +*/ + +#include +#include +#include +#include + + +#include "TLVEncoder.h" +#include "TLVDecoder.h" +#include "RegistrationAccept.h" +#include "assertions.h" + +int decode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len) +{ + uint32_t decoded = 0; + int decoded_result = 0; + + /* Decoding mandatory fields */ + if ((decoded_result = decode_fgs_registration_result(®istration_accept->fgsregistrationresult, 0, *(buffer + decoded), len - decoded)) < 0) + return decoded_result; + + decoded += decoded_result; + + // todo ,Decoding optional fields + return decoded; +} + +int encode_registration_accept(registration_accept_msg *registration_accept, uint8_t *buffer, uint32_t len) +{ + int encoded = 0; + + LOG_FUNC_IN; + + + *(buffer + encoded) = encode_fgs_registration_result(®istration_accept->fgsregistrationresult); + encoded = encoded + 2; + + // todo ,Encoding optional fields + LOG_FUNC_RETURN(encoded); +} + diff --git a/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h new file mode 100644 index 0000000000..f737496105 --- /dev/null +++ b/openair3/NAS/COMMON/EMM/MSG/RegistrationAccept.h @@ -0,0 +1,45 @@ +/*! \file RegistrationAccept.h + +\brief 5GS registration accept procedures +\author Yoshio INOUE, Masayuki HARADA +\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com +\date 2020 +\version 0.1 +*/ + +#include +#include +#include + + +#include "ExtendedProtocolDiscriminator.h" +#include "SecurityHeaderType.h" +#include "SpareHalfOctet.h" +#include "MessageType.h" +#include "FGSRegistrationResult.h" + +#ifndef REGISTRATION_ACCEPT_H_ +#define REGISTRATION_ACCEPT_H_ + +/* + * Message name: Registration accept + * Description: The REGISTRATION ACCEPT message is sent by the AMF to the UE. See table 8.2.7.1.1. + * Significance: dual + * Direction: network to UE + */ + +typedef struct registration_accept_msg_tag { + /* Mandatory fields */ + ExtendedProtocolDiscriminator protocoldiscriminator; + SecurityHeaderType securityheadertype:4; + SpareHalfOctet sparehalfoctet:4; + MessageType messagetype; + FGSRegistrationResult fgsregistrationresult; +} registration_accept_msg; + +int decode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len); + +int encode_registration_accept(registration_accept_msg *registrationaccept, uint8_t *buffer, uint32_t len); + +#endif /* ! defined(REGISTRATION_ACCEPT_H_) */ + diff --git a/openair3/NAS/COMMON/IES/FGSRegistrationResult.c b/openair3/NAS/COMMON/IES/FGSRegistrationResult.c new file mode 100644 index 0000000000..3c70919c72 --- /dev/null +++ b/openair3/NAS/COMMON/IES/FGSRegistrationResult.c @@ -0,0 +1,41 @@ +/*! \file FGSRegistrationResult.c + +\brief 5GS Registration result for registration request procedures +\author Yoshio INOUE, Masayuki HARADA +\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com +\date 2020 +\version 0.1 +*/ + +#include +#include +#include + + +#include "TLVEncoder.h" +#include "TLVDecoder.h" +#include "FGSRegistrationResult.h" + + +int decode_fgs_registration_result(FGSRegistrationResult *fgsregistrationresult, uint8_t iei, uint16_t value, uint32_t len) +{ + int decoded = 0; + uint16_t *buffer = &value; + fgsregistrationresult->registrationresult = *buffer & 0x7; + fgsregistrationresult->smsallowed = *buffer & 0x8; + decoded = decoded+2; + return decoded; +} + +uint16_t encode_fgs_registration_result(FGSRegistrationResult *fgsregistrationresult) +{ + uint16_t bufferReturn; + uint16_t *buffer = &bufferReturn; + uint8_t encoded = 0; + *(buffer + encoded) = 0x00 | (fgsregistrationresult->smsallowed & 0x8) | + (fgsregistrationresult->registrationresult & 0x7); + encoded= encoded+2; + + return bufferReturn; +} + diff --git a/openair3/NAS/COMMON/IES/FGSRegistrationResult.h b/openair3/NAS/COMMON/IES/FGSRegistrationResult.h new file mode 100644 index 0000000000..f9a437eb1a --- /dev/null +++ b/openair3/NAS/COMMON/IES/FGSRegistrationResult.h @@ -0,0 +1,38 @@ +/*! \file FGSRegistrationResult.h + +\brief 5GS Registration result for registration request procedures +\author Yoshio INOUE, Masayuki HARADA +\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com +\date 2020 +\version 0.1 +*/ + +#include +#include +#include + +#include "OctetString.h" + + + +#ifndef FGS_REGISTRATION_RESULT_H_ +#define FGS_REGISTRATION_RESULT_H_ +#define FGS_REGISTRATION_RESULT_3GPP 0b001 +#define FGS_REGISTRATION_RESULT_NON_3GPP 0b010 +#define FGS_REGISTRATION_RESULT_3GPP_AND_NON_3GPP 0b011 + +typedef struct { + uint8_t iei; + uint8_t resultlength; + uint8_t spare:4; + uint8_t smsallowed:1; + uint8_t registrationresult:3; +} FGSRegistrationResult; + + +uint16_t encode_fgs_registration_result(FGSRegistrationResult *fgsregistrationresult); + +int decode_fgs_registration_result(FGSRegistrationResult *fgsregistrationresult, uint8_t iei, uint16_t value, uint32_t len); + +#endif /* FGS REGISTRATION RESULT_H_*/ +