Commit e15f0b28 authored by heshanyun's avatar heshanyun

add struct for registration request message

parent fad30fff
/*! \file RegistrationRequest.c
\brief registration request procedures for gNB
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "nas_log.h"
#include "RegistrationRequest.h"
int decode_registration_request(registration_request_msg *registration_request, uint8_t *buffer, uint32_t len)
{
uint32_t decoded = 0;
int decoded_result = 0;
LOG_FUNC_IN;
LOG_TRACE(INFO, "EMM - registration_request len = %d",
len);
/* Decoding mandatory fields */
if ((decoded_result = decode_5gs_registration_type(&registration_request->fgsregistrationtype, 0, *(buffer + decoded) & 0x0f, len - decoded)) < 0) {
// return decoded_result;
LOG_FUNC_RETURN(decoded_result);
}
if ((decoded_result = decode_u8_nas_key_set_identifier(&registration_request->naskeysetidentifier, 0, *(buffer + decoded) >> 4, len - decoded)) < 0) {
// return decoded_result;
LOG_FUNC_RETURN(decoded_result);
}
decoded++;
if ((decoded_result = decode_5gs_mobile_identity(&registration_request->fgsmobileidentity, 0, buffer + decoded, len - decoded)) < 0) {
// return decoded_result;
LOG_FUNC_RETURN(decoded_result);
} else
decoded += decoded_result;
// TODO, Decoding optional fields
return decoded;
}
int encode_registration_request(registration_request_msg *registration_request, uint8_t *buffer, uint32_t len)
{
int encoded = 0;
int encode_result = 0;
*(buffer + encoded) = ((encode_u8_nas_key_set_identifier(&registration_request->naskeysetidentifier) & 0x0f) << 4) | (encode_5gs_registration_type(&registration_request->fgsregistrationtype) & 0x0f);
encoded++;
if ((encode_result =
encode_5gs_mobile_identity(&registration_request->fgsmobileidentity, 0, buffer +
encoded, len - encoded)) < 0) //Return in case of error
return encode_result;
else
encoded += encode_result;
// TODO, Eecoding optional fields
return encoded;
}
/*! \file RegistrationRequest.h
\brief registration request procedures for gNB
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "ExtendedProtocolDiscriminator.h"
#include "SecurityHeaderType.h"
#include "SpareHalfOctet.h"
#include "FGSMobileIdentity.h"
#include "NasKeySetIdentifier.h"
#include "FGSRegistrationType.h"
#include "MessageType.h"
#ifndef REGISTRATION_REQUEST_H_
#define REGISTRATION_REQUEST_H_
# define REGISTRATION_REQUEST_NON_CURRENT_NATIVE_NAS_KEYSET_PRESENT (1<<0)
# define REGISTRATION_REQUEST_5GMM_CAPABILITY_PRESENT (1<<1)
# define REGISTRATION_REQUEST_UE_SECURITY_CAPABILITY_PRESENT (1<<2)
# define REGISTRATION_REQUEST_REQUESTED_NSSAI_PRESENT (1<<3)
# define REGISTRATION_REQUEST_LAST_VISITED_REGISTERED_TAI_PRESENT (1<<4)
# define REGISTRATION_REQUEST_S1_UE_NETWORK_CAPABILITY_PRESENT (1<<5)
# define REGISTRATION_REQUEST_UPLINK_DATA_STATUS_PRESENT (1<<6)
# define REGISTRATION_REQUEST_PDU_SESSION_STATUS_PRESENT (1<<7)
# define REGISTRATION_REQUEST_MICO_INDICATION_PRESENT (1<<8)
# define REGISTRATION_REQUEST_UE_STATUS_PRESENT (1<<9)
# define REGISTRATION_REQUEST_ADDITIONAL_GUTI_PRESENT (1<<10)
# define REGISTRATION_REQUEST_ALLOWED_PDU_SESSION_STATUS_PRESENT (1<<11)
# define REGISTRATION_REQUEST_UE_USAGE_SETTING_PRESENT (1<<12)
# define REGISTRATION_REQUEST_REQUESTED_DRX_PARAMETERS_PRESENT (1<<13)
# define REGISTRATION_REQUEST_EPS_NAS_MESSAGE_CONTAINER_PRESENT (1<<14)
# define REGISTRATION_REQUEST_LADN_INDICATION_PRESENT (1<<15)
# define REGISTRATION_REQUEST_PAYLOAD_CONTAINER_TYPE_PRESENT (1<<16)
# define REGISTRATION_REQUEST_PAYLOAD_CONTAINER_PRESENT (1<<17)
# define REGISTRATION_REQUEST_NETWORK_SLICING_INDICATION_PRESENT (1<<18)
# define REGISTRATION_REQUEST_5GS_UPDATE_TYPE_PRESENT (1<<19)
# define REGISTRATION_REQUEST_NAS_MESSAGE_CONTAINER_PRESENT (1<<20)
# define REGISTRATION_REQUEST_EPS_BEARER_CONTEXT_STATUS_PRESENT (1<<21)
typedef enum registration_request_iei_tag {
REGISTRATION_REQUEST_NON_CURRENT_NATIVE_NAS_KEYSET_IEI = 0xC0, /* 0xC- = 192- */
REGISTRATION_REQUEST_5GMM_CAPABILITY_IEI = 0x10, /* 0x10 = 16 */
REGISTRATION_REQUEST_UE_SECURITY_CAPABILITY_IEI = 0x2E, /* 0x2E = 46 */
REGISTRATION_REQUEST_REQUESTED_NSSAI_IEI = 0x2F, /* 0x2F = 47 */
REGISTRATION_REQUEST_LAST_VISITED_REGISTERED_TAI_IEI = 0x52, /* 0x52 = 82 */
REGISTRATION_REQUEST_S1_UE_NETWORK_CAPABILITY_IEI = 0x17, /* 0x17 = 23 */
REGISTRATION_REQUEST_UPLINK_DATA_STATUS_IEI = 0x40, /* 0x40 = 64 */
REGISTRATION_REQUEST_PDU_SESSION_STATUS_IEI = 0x50, /* 0x50 = 80 */
REGISTRATION_REQUEST_MICO_INDICATION_IEI = 0xB0, /* 0xB- = 176- */
REGISTRATION_REQUEST_UE_STATUS_IEI = 0x2B, /* 0x2B = 43 */
REGISTRATION_REQUEST_ADDITIONAL_GUTI_IEI = 0x77, /* 0x77 = 119 */
REGISTRATION_REQUEST_ALLOWED_PDU_SESSION_STATUS_IEI = 0x25, /* 0x25 = 37 */
REGISTRATION_REQUEST_UE_USAGE_SETTING_IEI = 0x18, /* 0x18 = 24 */
REGISTRATION_REQUEST_REQUESTED_DRX_PARAMETERS_IEI = 0x51, /* 0x51 = 81 */
REGISTRATION_REQUEST_EPS_NAS_MESSAGE_CONTAINER_IEI = 0x70, /* 0x70 = 112 */
REGISTRATION_REQUEST_LADN_INDICATION_IEI = 0x74, /* 0x74 = 116 */
REGISTRATION_REQUEST_PAYLOAD_CONTAINER_TYPE_IEI = 0x80, /* 0x80 = 128 */
REGISTRATION_REQUEST_PAYLOAD_CONTAINER_IEI = 0x7B, /* 0x7B = 123 */
REGISTRATION_REQUEST_NETWORK_SLICING_INDICATION_IEI = 0x90, /* 0x90 = 144 */
REGISTRATION_REQUEST_5GS_UPDATE_TYPE_IEI = 0x53, /* 0x53 = 83 */
REGISTRATION_REQUEST_NAS_MESSAGE_CONTAINER_IEI = 0x71, /* 0x71 = 113 */
REGISTRATION_REQUEST_EPS_BEARER_CONTEXT_STATUS_IEI = 0x60 /* 0x60 = 96 */
} registration_request_iei;
/*
* Message name: Registration request
* Description: This message is sent by the UE to the AMF. See TS24.501 table 8.2.6.1.1.
* Significance: dual
* Direction: UE to network
*/
typedef struct registration_request_msg_tag {
/* Mandatory fields */
ExtendedProtocolDiscriminator protocoldiscriminator;
SecurityHeaderType securityheadertype:4;
SpareHalfOctet sparehalfoctet:4;
MessageType messagetype;
FGSRegistrationType fgsregistrationtype;
NasKeySetIdentifier naskeysetidentifier;
FGSMobileIdentity fgsmobileidentity;
/* Optional fields */
} registration_request_msg;
int decode_registration_request(registration_request_msg *registrationrequest, uint8_t *buffer, uint32_t len);
int encode_registration_request(registration_request_msg *registrationrequest, uint8_t *buffer, uint32_t len);
#endif /* ! defined(REGISTRATION_REQUEST_H_) */
/*! \file ExtendedProtocolDiscriminator.c
\brief Extended protocol discriminator for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "ExtendedProtocolDiscriminator.h"
int encode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
int decode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
/*! \file ExtendedProtocolDiscriminator.h
\brief Extended protocol discriminator for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "OctetString.h"
#ifndef EXTENDED_PROTOCOL_DISCRIMINATOR_H_
#define EXTENDED_PROTOCOL_DISCRIMINATOR_H_
typedef uint8_t ExtendedProtocolDiscriminator;
int encode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_ex_protocol_discriminator(ExtendedProtocolDiscriminator *exprotocoldiscriminator, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* EXTENDED PROTOCOL DISCRIMINATOR_H_ */
/*! \file FGSMobileIdentity.c
\brief 5GS Mobile Identity for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "FGSMobileIdentity.h"
static int decode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer);
static int encode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer);
int decode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded_rc = TLV_DECODE_VALUE_DOESNT_MATCH;
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
uint8_t typeofidentity = *(buffer + decoded) & 0x7;
if (typeofidentity == FGS_MOBILE_IDENTITY_5G_GUTI) {
decoded_rc = decode_guti_5gs_mobile_identity(&fgsmobileidentity->guti,
buffer + decoded);
}
if (decoded_rc < 0) {
return decoded_rc;
}
return (decoded + decoded_rc);
}
int encode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len)
{
uint8_t *lenPtr;
int encoded_rc = TLV_ENCODE_VALUE_DOESNT_MATCH;
uint32_t encoded = 0;
if (iei > 0) {
*buffer = iei;
encoded++;
}
lenPtr = (buffer + encoded);
encoded ++;
if (fgsmobileidentity->guti.typeofidentity == FGS_MOBILE_IDENTITY_5G_GUTI) {
encoded_rc = encode_guti_5gs_mobile_identity(&fgsmobileidentity->guti,
buffer + encoded);
}
if (encoded_rc < 0) {
return encoded_rc;
}
*lenPtr = encoded + encoded_rc - 1 - ((iei > 0) ? 1 : 0);
return (encoded + encoded_rc);
}
static int decode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer)
{
int decoded = 0;
uint16_t temp;
guti->spare = (*(buffer + decoded) >> 4) & 0xf;
/*
* For the 5G-GUTI, bits 5 to 8 of octet 3 are coded as "1111"
*/
if (guti->spare != 0xf) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
guti->oddeven = (*(buffer + decoded) >> 3) & 0x1;
/*
* For the 5G-GUTI, bits 4 of octet 3 are coded as "0"
*/
if (guti->oddeven != 0) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
guti->typeofidentity = *(buffer + decoded) & 0x7;
if (guti->typeofidentity != FGS_MOBILE_IDENTITY_5G_GUTI) {
return (TLV_ENCODE_VALUE_DOESNT_MATCH);
}
decoded++;
guti->mccdigit2 = (*(buffer + decoded) >> 4) & 0xf;
guti->mccdigit1 = *(buffer + decoded) & 0xf;
decoded++;
guti->mncdigit3 = (*(buffer + decoded) >> 4) & 0xf;
guti->mccdigit3 = *(buffer + decoded) & 0xf;
decoded++;
guti->mncdigit2 = (*(buffer + decoded) >> 4) & 0xf;
guti->mncdigit1 = *(buffer + decoded) & 0xf;
decoded++;
guti->amfregionid = *(buffer+decoded);
decoded++;
IES_DECODE_U16(buffer, decoded, temp);
guti->amfsetid = temp>>3;
guti->amfpointer = temp&0x3f;
IES_DECODE_U32(buffer, decoded, guti->tmsi);
return decoded;
}
static int encode_guti_5gs_mobile_identity(Guti5GSMobileIdentity_t *guti, uint8_t *buffer)
{
uint32_t encoded = 0;
uint16_t temp;
*(buffer + encoded) = 0xf0 | ((guti->oddeven & 0x1) << 3) |
(guti->typeofidentity & 0x7);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mccdigit2 & 0xf) << 4) |
(guti->mccdigit1 & 0xf);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mncdigit3 & 0xf) << 4) |
(guti->mccdigit3 & 0xf);
encoded++;
*(buffer + encoded) = 0x00 | ((guti->mncdigit2 & 0xf) << 4) |
(guti->mncdigit1 & 0xf);
encoded++;
*(buffer + encoded) = guti->amfregionid;
encoded++;
temp = 0x00 | ((guti->amfsetid & 0x3f) << 6) | (guti->amfpointer & 0x3f);
IES_ENCODE_U16(buffer, encoded, temp);
IES_ENCODE_U32(buffer, encoded, guti->tmsi);
return encoded;
}
/*! \file FGSMobileIdentity.h
\brief 5GS Mobile Identity for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "OctetString.h"
#ifndef FGS_MOBILE_IDENTITY_H_
#define FGS_MOBILE_IDENTITY_H_
typedef struct {
uint8_t spare:5;
uint8_t typeofidentity:3;
} NoIdentity5GSMobileIdentity_t;
typedef struct {
uint8_t spare1:1;
uint8_t supiformat:3;
uint8_t spare2:1;
uint8_t typeofidentity:3;
uint8_t mccdigit2:4;
uint8_t mccdigit1:4;
uint8_t mncdigit3:4;
uint8_t mccdigit3:4;
uint8_t mncdigit2:4;
uint8_t mncdigit1:4;
uint8_t routingindicatordigit2:4;
uint8_t routingindicatordigit1:4;
uint8_t routingindicatordigit4:4;
uint8_t routingindicatordigit3:4;
uint8_t spare3:1;
uint8_t spare4:1;
uint8_t spare5:1;
uint8_t spare6:1;
uint8_t protectionschemeId:4;
uint8_t homenetworkpki;
} Suci5GSMobileIdentity_t;
typedef struct {
uint8_t spare:4;
uint8_t oddeven:1;
uint8_t typeofidentity:3;
uint8_t mccdigit2:4;
uint8_t mccdigit1:4;
uint8_t mncdigit3:4;
uint8_t mccdigit3:4;
uint8_t mncdigit2:4;
uint8_t mncdigit1:4;
uint8_t amfregionid;
uint16_t amfsetid:10;
uint16_t amfpointer:6;
uint32_t tmsi;
} Guti5GSMobileIdentity_t;
typedef struct {
uint8_t digit1:4;
uint8_t oddeven:1;
uint8_t typeofidentity:3;
uint8_t digitp1:4;
uint8_t digitp:4;
} Imei5GSMobileIdentity_t;
typedef Imei5GSMobileIdentity_t Imeisv5GSMobileIdentity_t;
typedef struct {
uint8_t digit1:4;
uint8_t spare:1;
uint8_t typeofidentity:3;
uint16_t amfsetid:10;
uint16_t amfpointer:6;
uint32_t tmsi;
} Stmsi5GSMobileIdentity_t;
typedef struct {
uint8_t spare:5;
uint8_t typeofidentity:3;
uint8_t macaddr;
} Macaddr5GSMobileIdentity_t;
typedef union FGSMobileIdentity_tag {
#define FGS_MOBILE_IDENTITY_NOIDENTITY 0b000
#define FGS_MOBILE_IDENTITY_SUCI 0b001
#define FGS_MOBILE_IDENTITY_5G_GUTI 0b010
#define FGS_MOBILE_IDENTITY_IMEI 0b011
#define FGS_MOBILE_IDENTITY_5GS_TMSI 0b100
#define FGS_MOBILE_IDENTITY_IMEISV 0b101
#define FGS_MOBILE_IDENTITY_MAC_ADDR 0b110
NoIdentity5GSMobileIdentity_t noidentity;
Suci5GSMobileIdentity_t suci;
Guti5GSMobileIdentity_t guti;
Imei5GSMobileIdentity_t imei;
Stmsi5GSMobileIdentity_t stmsi;
Imeisv5GSMobileIdentity_t imeisv;
Macaddr5GSMobileIdentity_t macaddress;
} FGSMobileIdentity;
int encode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_5gs_mobile_identity(FGSMobileIdentity *fgsmobileidentity, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* FGS MOBILE IDENTITY_H_ */
/*! \file FGSRegistrationType.c
\brief 5GS Registration Type for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "FGSRegistrationType.h"
int decode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
if (iei > 0) {
CHECK_IEI_DECODER((*buffer & 0xf0), iei);
}
*fgsregistrationtype = *buffer & 0x7;
decoded++;
return decoded;
}
int encode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype)
{
uint8_t bufferReturn;
uint8_t *buffer = &bufferReturn;
uint8_t encoded = 0;
uint8_t iei = 0;
*(buffer + encoded) = 0x00 | (iei & 0xf0) |
(*fgsregistrationtype & 0x7);
encoded++;
return bufferReturn;
}
/*! \file FGSRegistrationType.h
\brief 5GS Registration Type for registration request procedures
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "OctetString.h"
#ifndef FGS_REGISTRATION_TYPE_H_
#define FGS_REGISTRATION_TYPE_H_
#define FGS_REGISTRATION_TYPE_MINIMUM_LENGTH 1
#define FGS_REGISTRATION_TYPE_MAXIMUM_LENGTH 1
typedef uint8_t FGSRegistrationType;
#define INITIAL_REGISTRATION 0b001
#define MOBILITY_REGISTRATION_UPDATING 0b010
#define PERIODIC_REGISTRATION_UPDATING 0b011
#define EMERGENCY_REGISTRATION 0b100
int encode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype);
int decode_5gs_registration_type(FGSRegistrationType *fgsregistrationtype, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* FGS_REGISTRATION_TYPE_H_*/
/*! \file SpareHalfOctet.c
\brief registration request procedures for gNB
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "SpareHalfOctet.h"
int decode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
int encode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len)
{
return 0;
}
/*! \file SpareHalfOctet.h
\brief registration request procedures for gNB
\author Yoshio INOUE, Masayuki HARADA
\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
\date 2020
\version 0.1
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "OctetString.h"
#ifndef SPARE_HALF_OCTET_H_
#define SPARE_HALF_OCTET_H_
#define SPARE_HALF_OCTET_MINIMUM_LENGTH 1
#define SPARE_HALF_OCTET_MAXIMUM_LENGTH 1
typedef uint8_t SpareHalfOctet;
int encode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len);
int decode_spare_half_octet(SpareHalfOctet *sparehalfoctet, uint8_t iei, uint8_t *buffer, uint32_t len);
#endif /* SPARE HALF OCTET_H_ */
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