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/** @file
IKEv2 related definitions.
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _IKE_V2_H_
#define _IKE_V2_H_
#include "Ike.h"
#include "Payload.h"
#define IKEV2_TS_ANY_PORT 0xffff
#define IKEV2_TS_ANY_PROTOCOL 0
#define IKEV2_DELET_CHILDSA_LIST 0
#define IKEV2_ESTABLISHING_CHILDSA_LIST 1
#define IKEV2_ESTABLISHED_CHILDSA_LIST 2
#define IKEV2_SA_SESSION_SIGNATURE SIGNATURE_32 ('I', 'K', 'E', 'I')
#define IKEV2_SA_SESSION_FROM_COMMON(a) CR (a, IKEV2_SA_SESSION, SessionCommon, IKEV2_SA_SESSION_SIGNATURE)
#define IKEV2_SA_SESSION_BY_SESSION(a) CR (a, IKEV2_SA_SESSION, BySessionTable, IKEV2_SA_SESSION_SIGNATURE)
#define IKEV2_SA_SESSION_BY_ESTABLISHED(a) CR (a, IKEV2_SA_SESSION, ByEstablishedTable, IKEV2_SA_SESSION_SIGNATURE)
#define IKEV2_CHILD_SA_SESSION_SIGNATURE SIGNATURE_32 ('I', 'K', 'E', 'C')
#define IKEV2_CHILD_SA_SESSION_FROM_COMMON(a) CR (a, IKEV2_CHILD_SA_SESSION, SessionCommon, IKEV2_CHILD_SA_SESSION_SIGNATURE)
#define IKEV2_CHILD_SA_SESSION_BY_IKE_SA(a) CR (a, IKEV2_CHILD_SA_SESSION, ByIkeSa, IKEV2_CHILD_SA_SESSION_SIGNATURE)
#define IKEV2_CHILD_SA_SESSION_BY_DEL_SA(a) CR (a, IKEV2_CHILD_SA_SESSION, ByDelete, IKEV2_CHILD_SA_SESSION_SIGNATURE)
#define IS_IKEV2_SA_SESSION(s) ((s)->Common.IkeSessionType == IkeSessionTypeIkeSa)
#define IKEV2_SA_FIRST_PROPOSAL(Sa) (IKEV2_PROPOSAL *)((IKEV2_SA *)(Sa)+1)
#define IKEV2_NEXT_TRANSFORM_WITH_SIZE(Transform,TransformSize) \
(IKEV2_TRANSFORM *) ((UINT8 *)(Transform) + (TransformSize))
#define IKEV2_NEXT_PROPOSAL_WITH_SIZE(Proposal, ProposalSize) \
(IKEV2_PROPOSAL *) ((UINT8 *)(Proposal) + (ProposalSize))
#define IKEV2_PROPOSAL_FIRST_TRANSFORM(Proposal) \
(IKEV2_TRANSFORM *)((UINT8 *)((IKEV2_PROPOSAL *)(Proposal)+1) + \
(((IKEV2_PROPOSAL *)(Proposal))->SpiSize))
#define IKEV2_PROPOSAL_FIRST_TRANSFORM(Proposal) \
(IKEV2_TRANSFORM *)((UINT8 *)((IKEV2_PROPOSAL *)(Proposal)+1) + \
(((IKEV2_PROPOSAL *)(Proposal))->SpiSize))
typedef enum {
IkeStateInit,
IkeStateAuth,
IkeStateIkeSaEstablished,
IkeStateCreateChild,
IkeStateSaRekeying,
IkeStateChildSaEstablished,
IkeStateSaDeleting,
IkeStateMaximum
} IKEV2_SESSION_STATE;
typedef enum {
IkeRequestTypeCreateChildSa,
IkeRequestTypeRekeyChildSa,
IkeRequestTypeRekeyIkeSa,
IkeRequestTypeMaximum
} IKEV2_CREATE_CHILD_REQUEST_TYPE;
typedef struct {
UINT8 *GxBuffer;
UINTN GxSize;
UINT8 *GyBuffer;
UINTN GySize;
UINT8 *GxyBuffer;
UINTN GxySize;
UINT8 *DhContext;
} IKEV2_DH_BUFFER;
typedef struct {
IKEV2_DH_BUFFER *DhBuffer;
UINT8 *SkdKey;
UINTN SkdKeySize;
UINT8 *SkAiKey;
UINTN SkAiKeySize;
UINT8 *SkArKey;
UINTN SkArKeySize;
UINT8 *SkEiKey;
UINTN SkEiKeySize;
UINT8 *SkErKey;
UINTN SkErKeySize;
UINT8 *SkPiKey;
UINTN SkPiKeySize;
UINT8 *SkPrKey;
UINTN SkPrKeySize;
} IKEV2_SESSION_KEYS;
typedef struct {
UINT16 LifeType;
UINT64 LifeDuration;
UINT16 EncAlgId;
UINTN EnckeyLen;
UINT16 Prf;
UINT16 IntegAlgId;
UINTN IntegKeyLen;
UINT16 DhGroup;
UINT8 ExtSeq;
} IKEV2_SA_PARAMS;
//
// Internal Payload
//
typedef struct {
IKEV2_SA SaHeader;
UINTN NumProposals;
//
// IKE_PROPOSAL_DATA Proposals[1];
//
} IKEV2_SA_DATA;
typedef struct {
UINT8 ProposalIndex;
UINT8 ProtocolId;
UINT8 *Spi;
UINT8 NumTransforms;
//
// IKE_TRANSFORM_DATA Transforms[1];
//
} IKEV2_PROPOSAL_DATA;
typedef struct {
UINT8 TransformIndex;
UINT8 TransformType;
UINT16 TransformId;
IKE_SA_ATTRIBUTE Attribute;
} IKEV2_TRANSFORM_DATA;
typedef struct {
UINT8 IkeVer;
IKE_SESSION_TYPE IkeSessionType;
BOOLEAN IsInitiator;
BOOLEAN IsOnDeleting; // Flag to indicate whether the SA is on deleting.
IKEV2_SESSION_STATE State;
EFI_EVENT TimeoutEvent;
UINT64 TimeoutInterval;
UINTN RetryCount;
IKE_PACKET *LastSentPacket;
IKEV2_SA_PARAMS *SaParams;
UINT16 PreferDhGroup;
EFI_IP_ADDRESS RemotePeerIp;
EFI_IP_ADDRESS LocalPeerIp;
IKE_ON_PAYLOAD_FROM_NET BeforeDecodePayload;
IKE_ON_PAYLOAD_FROM_NET AfterEncodePayload;
IKE_UDP_SERVICE *UdpService;
IPSEC_PRIVATE_DATA *Private;
} IKEV2_SESSION_COMMON;
typedef struct {
UINT32 Signature;
IKEV2_SESSION_COMMON SessionCommon;
UINT64 InitiatorCookie;
UINT64 ResponderCookie;
//
// Initiator: SA proposals to be sent
// Responder: SA proposals to be matched
//
IKEV2_SA_DATA *SaData; // SA Private struct used for SA payload generation
IKEV2_SESSION_KEYS *IkeKeys;
UINT8 *NiBlock;
UINTN NiBlkSize;
UINT8 *NrBlock;
UINTN NrBlkSize;
UINT8 *NCookie; // Buffer Contains the Notify Cookie
UINTN NCookieSize; // Size of NCookie
IPSEC_PAD_ENTRY *Pad;
IPSEC_SPD_ENTRY *Spd; // SPD that requested the negotiation, TODO: better use SPD selector
LIST_ENTRY ChildSaSessionList;
LIST_ENTRY ChildSaEstablishSessionList; // For Establish Child SA.
LIST_ENTRY InfoMIDList; // For Information MID
LIST_ENTRY DeleteSaList; // For deteling Child SA.
UINT8 *InitPacket;
UINTN InitPacketSize;
UINT8 *RespPacket;
UINTN RespPacketSize;
UINT32 MessageId;
LIST_ENTRY BySessionTable; // Use for all IkeSaSession Links
} IKEV2_SA_SESSION;
typedef struct {
UINT32 Signature;
IKEV2_SESSION_COMMON SessionCommon;
IKEV2_SA_SESSION *IkeSaSession;
UINT32 MessageId;
IKEV2_SA_DATA *SaData;
UINT8 IpsecProtocol;
UINT32 LocalPeerSpi;
UINT32 RemotePeerSpi;
UINT8 *NiBlock;
UINTN NiBlkSize;
UINT8 *NrBlock;
UINTN NrBlkSize;
SA_KEYMATS ChildKeymats;
IKEV2_DH_BUFFER *DhBuffer; //New DH exchnaged by CREATE_CHILD_SA
IPSEC_SPD_ENTRY *Spd;
EFI_IPSEC_SPD_SELECTOR *SpdSelector;
UINT16 ProtoId;
UINT16 RemotePort;
UINT16 LocalPort;
LIST_ENTRY ByIkeSa;
LIST_ENTRY ByDelete;
} IKEV2_CHILD_SA_SESSION;
typedef enum {
Ikev2InfoNotify,
Ikev2InfoDelete,
Ikev2InfoLiveCheck
} IKEV2_INFO_TYPE;
//
// This struct is used to pass the detail infromation to the InfoGenerator() for
// the response Information Exchange Message creatation.
//
typedef struct {
UINT32 MessageId;
IKEV2_INFO_TYPE InfoType;
} IKEV2_INFO_EXCHANGE_CONTEXT;
typedef struct {
UINTN DataSize;
UINT8 *Data;
} PRF_DATA_FRAGMENT;
typedef
IKE_PACKET *
(*IKEV2_PACKET_GENERATOR) (
IN UINT8 *SaSession,
IN VOID *Context
);
typedef
EFI_STATUS
(*IKEV2_PACKET_PARSER) (
IN UINT8 *SaSession,
IN IKE_PACKET *IkePacket
);
typedef struct {
IKEV2_PACKET_PARSER Parser;
IKEV2_PACKET_GENERATOR Generator;
} IKEV2_PACKET_HANDLER;
extern IKEV2_PACKET_HANDLER mIkev2Initial[][2];
extern IKEV2_PACKET_HANDLER mIkev2CreateChild;
extern IKEV2_PACKET_HANDLER mIkev2Info;
#endif
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