/** @file
The interfaces of IKE/Child session operations and payload related operations
used by IKE Exchange Process.
Copyright (c) 2010, Intel Corporation. All rights reserved.
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_UTILITY_H_
#define _IKE_V2_UTILITY_H_
#include "Ikev2.h"
#include "IkeCommon.h"
#include "IpSecCryptIo.h"
#include
#define IKEV2_SUPPORT_ENCRYPT_ALGORITHM_NUM 2
#define IKEV2_SUPPORT_PRF_ALGORITHM_NUM 1
#define IKEV2_SUPPORT_DH_ALGORITHM_NUM 2
#define IKEV2_SUPPORT_AUTH_ALGORITHM_NUM 1
/**
Allocate buffer for IKEV2_SA_SESSION and initialize it.
@param[in] Private Pointer to IPSEC_PRIVATE_DATA.
@param[in] UdpService Pointer to IKE_UDP_SERVICE related to this IKE SA Session.
@return Pointer to IKEV2_SA_SESSION.
**/
IKEV2_SA_SESSION *
Ikev2SaSessionAlloc (
IN IPSEC_PRIVATE_DATA *Private,
IN IKE_UDP_SERVICE *UdpService
);
/**
Register Establish IKEv2 SA into Private->Ikev2EstablishedList.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION to be registered.
@param[in] Private Pointer to IPSEC_PRAVATE_DATA.
**/
VOID
Ikev2SaSessionReg (
IN IKEV2_SA_SESSION *IkeSaSession,
IN IPSEC_PRIVATE_DATA *Private
);
/**
Find a IKEV2_SA_SESSION by the remote peer IP.
@param[in] SaSessionList SaSession List to be searched.
@param[in] RemotePeerIp Pointer to specified IP address.
@return Pointer to IKEV2_SA_SESSION if find one or NULL.
**/
IKEV2_SA_SESSION *
Ikev2SaSessionLookup (
IN LIST_ENTRY *SaSessionList,
IN EFI_IP_ADDRESS *RemotePeerIp
);
/**
Insert a IKE_SA_SESSION into IkeSaSession list. The IkeSaSession list is either
Private->Ikev2SaSession list or Private->Ikev2EstablishedList list.
@param[in] SaSessionList Pointer to list to be inserted into.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION to be inserted.
@param[in] RemotePeerIp Pointer to EFI_IP_ADDRESSS to indicate the
unique IKEV2_SA_SESSION.
**/
VOID
Ikev2SaSessionInsert (
IN LIST_ENTRY *SaSessionList,
IN IKEV2_SA_SESSION *IkeSaSession,
IN EFI_IP_ADDRESS *RemotePeerIp
);
/**
Remove the SA Session by Remote Peer IP.
@param[in] SaSessionList Pointer to list to be searched.
@param[in] RemotePeerIp Pointer to EFI_IP_ADDRESS to use for SA Session search.
@retval Pointer to IKEV2_SA_SESSION with the specified remote IP address.
**/
IKEV2_SA_SESSION *
Ikev2SaSessionRemove (
IN LIST_ENTRY *SaSessionList,
IN EFI_IP_ADDRESS *RemotePeerIp
);
/**
Marking a SA session as on deleting.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION.
@retval EFI_SUCCESS Find the related SA session and marked it.
**/
EFI_STATUS
Ikev2SaSessionOnDeleting (
IN IKEV2_SA_SESSION *IkeSaSession
);
/**
After IKE/Child SA is estiblished, close the time event and free sent packet.
@param[in] SessionCommon Pointer to a Session Common.
**/
VOID
Ikev2SessionCommonRefresh (
IN IKEV2_SESSION_COMMON *SessionCommon
);
/**
Free specified IKEV2 SA Session.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION to be freed.
**/
VOID
Ikev2SaSessionFree (
IN IKEV2_SA_SESSION *IkeSaSession
);
/**
Free specified Seession Common. The session common would belong to a IKE SA or
a Child SA.
@param[in] SessionCommon Pointer to a Session Common.
**/
VOID
Ikev2SaSessionCommonFree (
IN IKEV2_SESSION_COMMON *SessionCommon
);
/**
Increase the MessageID in IkeSaSession.
@param[in] IkeSaSession Pointer to a specified IKEV2_SA_SESSION.
**/
VOID
Ikev2SaSessionIncreaseMessageId (
IN IKEV2_SA_SESSION *IkeSaSession
);
/**
Allocate Momery for IKEV2 Child SA Session.
@param[in] UdpService Pointer to IKE_UDP_SERVICE.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION related to this Child SA
Session.
@retval Pointer of a new created IKEV2 Child SA Session.
**/
IKEV2_CHILD_SA_SESSION *
Ikev2ChildSaSessionAlloc (
IN IKE_UDP_SERVICE *UdpService,
IN IKEV2_SA_SESSION *IkeSaSession
);
/**
Register a established IKEv2 Child SA into IkeSaSession->ChildSaEstablishSessionList.
If the there is IKEV2_CHILD_SA_SESSION with same remote peer IP, remove the old one
then register the new one.
@param[in] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION to be registered.
@param[in] Private Pointer to IPSEC_PRAVATE_DATA.
**/
VOID
Ikev2ChildSaSessionReg (
IN IKEV2_CHILD_SA_SESSION *ChildSaSession,
IN IPSEC_PRIVATE_DATA *Private
);
/**
This function find the Child SA by the specified Spi.
This functin find a ChildSA session by searching the ChildSaSessionlist of
the input IKEV2_SA_SESSION by specified MessageID.
@param[in] SaSessionList Pointer to List to be searched.
@param[in] Spi Specified SPI.
@return Pointer to IKEV2_CHILD_SA_SESSION.
**/
IKEV2_CHILD_SA_SESSION *
Ikev2ChildSaSessionLookupBySpi (
IN LIST_ENTRY *SaSessionList,
IN UINT32 Spi
);
/**
Find the ChildSaSession by it's MessagId.
@param[in] SaSessionList Pointer to a ChildSaSession List.
@param[in] Mid The messageId used to search ChildSaSession.
@return Pointer to IKEV2_CHILD_SA_SESSION.
**/
IKEV2_CHILD_SA_SESSION *
Ikev2ChildSaSessionLookupByMid (
IN LIST_ENTRY *SaSessionList,
IN UINT32 Mid
);
/**
Insert a Child SA Session into the specified ChildSa list..
@param[in] SaSessionList Pointer to list to be inserted in.
@param[in] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION to be inserted.
**/
VOID
Ikev2ChildSaSessionInsert (
IN LIST_ENTRY *SaSessionList,
IN IKEV2_CHILD_SA_SESSION *ChildSaSession
);
/**
Remove the IKEV2_CHILD_SA_SESSION from IkeSaSessionList.
@param[in] SaSessionList The SA Session List to be iterated.
@param[in] Spi Spi used to identify the IKEV2_CHILD_SA_SESSION.
@param[in] ListType The type of the List to indicate whether it is a
Established.
@return The point to IKEV2_CHILD_SA_SESSION.
**/
IKEV2_CHILD_SA_SESSION *
Ikev2ChildSaSessionRemove (
IN LIST_ENTRY *SaSessionList,
IN UINT32 Spi,
IN UINT8 ListType
);
/**
Mark a specified Child SA Session as on deleting.
@param[in] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION.
@retval EFI_SUCCESS Operation is successful.
**/
EFI_STATUS
Ikev2ChildSaSessionOnDeleting (
IN IKEV2_CHILD_SA_SESSION *ChildSaSession
);
/**
Free the memory located for the specified IKEV2_CHILD_SA_SESSION.
@param[in] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION.
**/
VOID
Ikev2ChildSaSessionFree (
IN IKEV2_CHILD_SA_SESSION *ChildSaSession
);
/**
Free the specified DhBuffer.
@param[in] DhBuffer Pointer to IKEV2_DH_BUFFER to be freed.
**/
VOID
Ikev2DhBufferFree (
IN IKEV2_DH_BUFFER *DhBuffer
);
/**
Delete the specified established Child SA.
This function delete the Child SA directly and dont send the Information Packet to
remote peer.
@param[in] IkeSaSession Pointer to a IKE SA Session used to be searched for.
@param[in] Spi SPI used to find the Child SA.
@retval EFI_NOT_FOUND Pointer of IKE SA Session is NULL.
@retval EFI_NOT_FOUND There is no specified Child SA related with the input
SPI under this IKE SA Session.
@retval EFI_SUCCESS Delete the Child SA successfully.
**/
EFI_STATUS
Ikev2ChildSaSilentDelete (
IN IKEV2_SA_SESSION *IkeSaSession,
IN UINT32 Spi
);
/**
This function is to parse a request IKE packet and return its request type.
The request type is one of IKE CHILD SA creation, IKE SA rekeying and
IKE CHILD SA rekeying.
@param[in] IkePacket IKE packet to be prased.
return the type of the IKE packet.
**/
IKEV2_CREATE_CHILD_REQUEST_TYPE
Ikev2ChildExchangeRequestType(
IN IKE_PACKET *IkePacket
);
/**
This function finds the SPI from Create Child Sa Exchange Packet.
@param[in] IkePacket Pointer to IKE_PACKET to be searched.
@retval SPI number.
**/
UINT32
Ikev2ChildExchangeRekeySpi(
IN IKE_PACKET *IkePacket
);
/**
Associate a SPD selector to the Child SA Session.
This function is called when the Child SA is not the first child SA of its
IKE SA. It associate a SPD to this Child SA.
@param[in, out] ChildSaSession Pointer to the Child SA Session to be associated to
a SPD selector.
@retval EFI_SUCCESS Associate one SPD selector to this Child SA Session successfully.
@retval EFI_NOT_FOUND Can't find the related SPD selector.
**/
EFI_STATUS
Ikev2ChildSaAssociateSpdEntry (
IN OUT IKEV2_CHILD_SA_SESSION *ChildSaSession
);
/**
Validate the IKE header of received IKE packet.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION related to this IKE packet.
@param[in] IkeHdr Pointer to IKE header of received IKE packet.
@retval TRUE If the IKE header is valid.
@retval FALSE If the IKE header is invalid.
**/
BOOLEAN
Ikev2ValidateHeader (
IN IKEV2_SA_SESSION *IkeSaSession,
IN IKE_HEADER *IkeHdr
);
/**
Create and intialize IKEV2_SA_DATA for speicifed IKEV2_SESSION_COMMON.
This function will be only called by the initiator. The responder's IKEV2_SA_DATA
will be generated during parsed the initiator packet.
@param[in] SessionCommon Pointer to IKEV2_SESSION_COMMON related to.
@retval a Pointer to a new IKEV2_SA_DATA or NULL.
**/
IKEV2_SA_DATA *
Ikev2InitializeSaData (
IN IKEV2_SESSION_COMMON *SessionCommon
);
/**
Store the SA into SAD.
@param[in] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION.
**/
VOID
Ikev2StoreSaData (
IN IKEV2_CHILD_SA_SESSION *ChildSaSession
);
/**
Routine process before the payload decoding.
@param[in] SessionCommon Pointer to ChildSa SessionCommon.
@param[in] PayloadBuf Pointer to the payload.
@param[in] PayloadSize Size of PayloadBuf in byte.
@param[in] PayloadType Type of Payload.
**/
VOID
Ikev2ChildSaBeforeDecodePayload (
IN UINT8 *SessionCommon,
IN UINT8 *PayloadBuf,
IN UINTN PayloadSize,
IN UINT8 PayloadType
);
/**
Routine Process after the encode payload.
@param[in] SessionCommon Pointer to ChildSa SessionCommon.
@param[in] PayloadBuf Pointer to the payload.
@param[in] PayloadSize Size of PayloadBuf in byte.
@param[in] PayloadType Type of Payload.
**/
VOID
Ikev2ChildSaAfterEncodePayload (
IN UINT8 *SessionCommon,
IN UINT8 *PayloadBuf,
IN UINTN PayloadSize,
IN UINT8 PayloadType
);
/**
Generate Ikev2 SA payload according to SessionSaData
@param[in] SessionSaData The data used in SA payload.
@param[in] NextPayload The payload type presented in NextPayload field of
SA Payload header.
@param[in] Type The SA type. It MUST be neither (1) for IKE_SA or
(2) for CHILD_SA or (3) for INFO.
@retval a Pointer to SA IKE payload.
**/
IKE_PAYLOAD *
Ikev2GenerateSaPayload (
IN IKEV2_SA_DATA *SessionSaData,
IN UINT8 NextPayload,
IN IKE_SESSION_TYPE Type
);
/**
Generate a ID payload.
@param[in] CommonSession Pointer to IKEV2_SESSION_COMMON related to ID payload.
@param[in] NextPayload The payload type presented in the NextPayload field
of ID Payload header.
@retval Pointer to ID IKE payload.
**/
IKE_PAYLOAD *
Ikev2GenerateIdPayload (
IN IKEV2_SESSION_COMMON *CommonSession,
IN UINT8 NextPayload
);
/**
Generate a ID payload.
@param[in] CommonSession Pointer to IKEV2_SESSION_COMMON related to ID payload.
@param[in] NextPayload The payload type presented in the NextPayload field
of ID Payload header.
@param[in] InCert Pointer to the Certificate which distinguished name
will be added into the Id payload.
@param[in] CertSize Size of the Certificate.
@retval Pointer to ID IKE payload.
**/
IKE_PAYLOAD *
Ikev2GenerateCertIdPayload (
IN IKEV2_SESSION_COMMON *CommonSession,
IN UINT8 NextPayload,
IN UINT8 *InCert,
IN UINTN CertSize
);
/**
Generate a Nonce payload contenting the input parameter NonceBuf.
@param[in] NonceBuf The nonce buffer content the whole Nonce payload block
except the payload header.
@param[in] NonceSize The buffer size of the NonceBuf
@param[in] NextPayload The payload type presented in the NextPayload field
of Nonce Payload header.
@retval Pointer to Nonce IKE paload.
**/
IKE_PAYLOAD *
Ikev2GenerateNoncePayload (
IN UINT8 *NonceBuf,
IN UINTN NonceSize,
IN UINT8 NextPayload
);
/**
Generate the Notify payload.
Since the structure of Notify payload which defined in RFC 4306 is simple, so
there is no internal data structure for Notify payload. This function generate
Notify payload defined in RFC 4306, but all the fields in this payload are still
in host order and need call Ikev2EncodePayload() to convert those fields from
the host order to network order beforing sending it.
@param[in] ProtocolId The protocol type ID. For IKE_SA it MUST be one (1).
For IPsec SAs it MUST be neither (2) for AH or (3)
for ESP.
@param[in] NextPayload The next paylaod type in NextPayload field of
the Notify payload.
@param[in] SpiSize Size of the SPI in SPI size field of the Notify Payload.
@param[in] MessageType The message type in NotifyMessageType field of the
Notify Payload.
@param[in] SpiBuf Pointer to buffer contains the SPI value.
@param[in] NotifyData Pointer to buffer contains the notification data.
@param[in] NotifyDataSize The size of NotifyData in bytes.
@retval Pointer to IKE Notify Payload.
**/
IKE_PAYLOAD *
Ikev2GenerateNotifyPayload (
IN UINT8 ProtocolId,
IN UINT8 NextPayload,
IN UINT8 SpiSize,
IN UINT16 MessageType,
IN UINT8 *SpiBuf,
IN UINT8 *NotifyData,
IN UINTN NotifyDataSize
);
/**
Generate the Delete payload.
Since the structure of Delete payload which defined in RFC 4306 is simple,
there is no internal data structure for Delete payload. This function generate
Delete payload defined in RFC 4306, but all the fields in this payload are still
in host order and need call Ikev2EncodePayload() to convert those fields from
the host order to network order beforing sending it.
@param[in] IkeSaSession Pointer to IKE SA Session to be used of Delete payload generation.
@param[in] NextPayload The next paylaod type in NextPayload field of
the Delete payload.
@param[in] SpiSize Size of the SPI in SPI size field of the Delete Payload.
@param[in] SpiNum Number of SPI in NumofSPIs field of the Delete Payload.
@param[in] SpiBuf Pointer to buffer contains the SPI value.
@retval Pointer to IKE Delete Payload.
**/
IKE_PAYLOAD *
Ikev2GenerateDeletePayload (
IN IKEV2_SA_SESSION *IkeSaSession,
IN UINT8 NextPayload,
IN UINT8 SpiSize,
IN UINT16 SpiNum,
IN UINT8 *SpiBuf
);
/**
Generate the Configuration payload.
This function generates a configuration payload defined in RFC 4306, but all the
fields in this payload are still in host order and need call Ikev2EncodePayload()
to convert those fields from the host order to network order beforing sending it.
@param[in] IkeSaSession Pointer to IKE SA Session to be used for Delete payload
generation.
@param[in] NextPayload The next paylaod type in NextPayload field of
the Delete payload.
@param[in] CfgType The attribute type in the Configuration attribute.
@retval Pointer to IKE CP Payload.
**/
IKE_PAYLOAD *
Ikev2GenerateCpPayload (
IN IKEV2_SA_SESSION *IkeSaSession,
IN UINT8 NextPayload,
IN UINT8 CfgType
);
/**
Generate a Authentication Payload.
This function is used for both Authentication generation and verification. When the
IsVerify is TRUE, it create a Auth Data for verification. This function choose the
related IKE_SA_INIT Message for Auth data creation according to the IKE Session's type
and the value of IsVerify parameter.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION related to.
@param[in] IdPayload Pointer to the ID payload to be used for Authentication
payload generation.
@param[in] NextPayload The type filled into the Authentication Payload next
payload field.
@param[in] IsVerify If it is TURE, the Authentication payload is used for
verification.
@return pointer to IKE Authentication payload for pre-shard key method.
**/
IKE_PAYLOAD *
Ikev2PskGenerateAuthPayload (
IN IKEV2_SA_SESSION *IkeSaSession,
IN IKE_PAYLOAD *IdPayload,
IN UINT8 NextPayload,
IN BOOLEAN IsVerify
);
/**
Generate a Authentication Payload for Certificate Auth method.
This function has two functions. One is creating a local Authentication
Payload for sending and other is creating the remote Authentication data
for verification when the IsVerify is TURE.
@param[in] IkeSaSession Pointer to IKEV2_SA_SESSION related to.
@param[in] IdPayload Pointer to the ID payload to be used for Authentication
payload generation.
@param[in] NextPayload The type filled into the Authentication Payload
next payload field.
@param[in] IsVerify If it is TURE, the Authentication payload is used
for verification.
@param[in] UefiPrivateKey Pointer to the UEFI private key. Ignore it when
verify the authenticate payload.
@param[in] UefiPrivateKeyLen The size of UefiPrivateKey in bytes. Ignore it
when verify the authenticate payload.
@param[in] UefiKeyPwd Pointer to the password of UEFI private key.
Ignore it when verify the authenticate payload.
@param[in] UefiKeyPwdLen The size of UefiKeyPwd in bytes.Ignore it when
verify the authenticate payload.
@return pointer to IKE Authentication payload for certification method.
**/
IKE_PAYLOAD *
Ikev2CertGenerateAuthPayload (
IN IKEV2_SA_SESSION *IkeSaSession,
IN IKE_PAYLOAD *IdPayload,
IN UINT8 NextPayload,
IN BOOLEAN IsVerify,
IN UINT8 *UefiPrivateKey,
IN UINTN UefiPrivateKeyLen,
IN UINT8 *UefiKeyPwd,
IN UINTN UefiKeyPwdLen
);
/**
Generate TS payload.
This function generates TSi or TSr payload according to type of next payload.
If the next payload is Responder TS, gereate TSi Payload. Otherwise, generate
TSr payload
@param[in] ChildSa Pointer to IKEV2_CHILD_SA_SESSION related to this TS payload.
@param[in] NextPayload The payload type presented in the NextPayload field
of ID Payload header.
@param[in] IsTunnel It indicates that if the Ts Payload is after the CP payload.
If yes, it means the Tsi and Tsr payload should be with
Max port range and address range and protocol is marked
as zero.
@retval Pointer to Ts IKE payload.
**/
IKE_PAYLOAD *
Ikev2GenerateTsPayload (
IN IKEV2_CHILD_SA_SESSION *ChildSa,
IN UINT8 NextPayload,
IN BOOLEAN IsTunnel
);
/**
Parser the Notify Cookie payload.
This function parses the Notify Cookie payload.If the Notify ProtocolId is not
IPSEC_PROTO_ISAKMP or if the SpiSize is not zero or if the MessageType is not
the COOKIE, return EFI_INVALID_PARAMETER.
@param[in] IkeNCookie Pointer to the IKE_PAYLOAD which contians the
Notify Cookie payload.
the Notify payload.
@param[in, out] IkeSaSession Pointer to the relevant IKE SA Session.
@retval EFI_SUCCESS The Notify Cookie Payload is valid.
@retval EFI_INVALID_PARAMETER The Notify Cookie Payload is invalid.
@retval EFI_OUT_OF_RESOURCE The required resource can't be allocated.
**/
EFI_STATUS
Ikev2ParserNotifyCookiePayload (
IN IKE_PAYLOAD *IkeNCookie,
IN OUT IKEV2_SA_SESSION *IkeSaSession
);
/**
Generate the Certificate payload or Certificate Request Payload.
Since the Certificate Payload structure is same with Certificate Request Payload,
the only difference is that one contains the Certificate Data, other contains
the acceptable certificateion CA. This function generate Certificate payload
or Certificate Request Payload defined in RFC 4306, but all the fields
in the payload are still in host order and need call Ikev2EncodePayload()
to convert those fields from the host order to network order beforing sending it.
@param[in] IkeSaSession Pointer to IKE SA Session to be used of Delete payload
generation.
@param[in] NextPayload The next paylaod type in NextPayload field of
the Delete payload.
@param[in] Certificate Pointer of buffer contains the certification data.
@param[in] CertificateLen The length of Certificate in byte.
@param[in] EncodeType Specified the Certificate Encodeing which is defined
in RFC 4306.
@param[in] IsRequest To indicate create Certificate Payload or Certificate
Request Payload. If it is TURE, create Certificate
Request Payload. Otherwise, create Certificate Payload.
@retval a Pointer to IKE Payload whose payload buffer containing the Certificate
payload or Certificated Request payload.
**/
IKE_PAYLOAD *
Ikev2GenerateCertificatePayload (
IN IKEV2_SA_SESSION *IkeSaSession,
IN UINT8 NextPayload,
IN UINT8 *Certificate,
IN UINTN CertificateLen,
IN UINT8 EncodeType,
IN BOOLEAN IsRequest
);
/**
General interface of payload encoding.
This function encode the internal data structure into payload which
is defined in RFC 4306. The IkePayload->PayloadBuf used to store both the input
payload and converted payload. Only the SA payload use the interal structure
to store the attribute. Other payload use structure which is same with the RFC
defined, for this kind payloads just do host order to network order change of
some fields.
@param[in] SessionCommon Pointer to IKE Session Common used to encode the payload.
@param[in, out] IkePayload Pointer to IKE payload to be encode as input, and
store the encoded result as output.
@retval EFI_INVALID_PARAMETER Meet error when encode the SA payload.
@retval EFI_SUCCESS Encode successfully.
**/
EFI_STATUS
Ikev2EncodePayload (
IN UINT8 *SessionCommon,
IN OUT IKE_PAYLOAD *IkePayload
);
/**
The general interface of decode Payload.
This function convert the received Payload into internal structure.
@param[in] SessionCommon Pointer to IKE Session Common to use for decoding.
@param[in, out] IkePayload Pointer to IKE payload to be decode as input, and
store the decoded result as output.
@retval EFI_INVALID_PARAMETER Meet error when decode the SA payload.
@retval EFI_SUCCESS Decode successfully.
**/
EFI_STATUS
Ikev2DecodePayload (
IN UINT8 *SessionCommon,
IN OUT IKE_PAYLOAD *IkePayload
);
/**
Decrypt IKE packet.
This function decrpt the Encrypted IKE packet and put the result into IkePacket->PayloadBuf.
@param[in] SessionCommon Pointer to IKEV2_SESSION_COMMON containing
some parameter used during decrypting.
@param[in, out] IkePacket Point to IKE_PACKET to be decrypted as input,
and the decrypted reslult as output.
@param[in, out] IkeType The type of IKE. IKE_SA_TYPE, IKE_INFO_TYPE and
IKE_CHILD_TYPE are supportted.
@retval EFI_INVALID_PARAMETER If the IKE packet length is zero or the
IKE packet length is not Algorithm Block Size
alignment.
@retval EFI_SUCCESS Decrypt IKE packet successfully.
**/
EFI_STATUS
Ikev2DecryptPacket (
IN IKEV2_SESSION_COMMON *SessionCommon,
IN OUT IKE_PACKET *IkePacket,
IN OUT UINTN IkeType
);
/**
Encrypt IKE packet.
This function encrypt IKE packet before sending it. The Encrypted IKE packet
is put in to IKEV2 Encrypted Payload.
@param[in] SessionCommon Pointer to IKEV2_SESSION_COMMON related to the IKE packet.
@param[in, out] IkePacket Pointer to IKE packet to be encrypted.
@retval EFI_SUCCESS Operation is successful.
@retval Others OPeration is failed.
**/
EFI_STATUS
Ikev2EncryptPacket (
IN IKEV2_SESSION_COMMON *SessionCommon,
IN OUT IKE_PACKET *IkePacket
);
/**
Encode the IKE packet.
This function put all Payloads into one payload then encrypt it if needed.
@param[in] SessionCommon Pointer to IKEV2_SESSION_COMMON containing
some parameter used during IKE packet encoding.
@param[in, out] IkePacket Pointer to IKE_PACKET to be encoded as input,
and the encoded reslult as output.
@param[in] IkeType The type of IKE. IKE_SA_TYPE, IKE_INFO_TYPE and
IKE_CHILD_TYPE are supportted.
@retval EFI_SUCCESS Encode IKE packet successfully.
@retval Otherwise Encode IKE packet failed.
**/
EFI_STATUS
Ikev2EncodePacket (
IN IKEV2_SESSION_COMMON *SessionCommon,
IN OUT IKE_PACKET *IkePacket,
IN UINTN IkeType
);
/**
Decode the IKE packet.
This function first decrypts the IKE packet if needed , then separats the whole
IKE packet from the IkePacket->PayloadBuf into IkePacket payload list.
@param[in] SessionCommon Pointer to IKEV1_SESSION_COMMON containing
some parameter used by IKE packet decoding.
@param[in, out] IkePacket The IKE Packet to be decoded on input, and
the decoded result on return.
@param[in] IkeType The type of IKE. IKE_SA_TYPE, IKE_INFO_TYPE and
IKE_CHILD_TYPE are supportted.
@retval EFI_SUCCESS The IKE packet is decoded successfull.
@retval Otherwise The IKE packet decoding is failed.
**/
EFI_STATUS
Ikev2DecodePacket (
IN IKEV2_SESSION_COMMON *SessionCommon,
IN OUT IKE_PACKET *IkePacket,
IN UINTN IkeType
);
/**
Save some useful payloads after accepting the Packet.
@param[in] SessionCommon Pointer to IKEV2_SESSION_COMMON related to the operation.
@param[in] IkePacket Pointer to received IkePacet.
@param[in] IkeType The type used to indicate it is in IkeSa or ChildSa or Info
exchange.
**/
VOID
Ikev2OnPacketAccepted (
IN IKEV2_SESSION_COMMON *SessionCommon,
IN IKE_PACKET *IkePacket,
IN UINT8 IkeType
);
/**
Send out IKEV2 packet.
@param[in] IkeUdpService Pointer to IKE_UDP_SERVICE used to send the IKE packet.
@param[in] SessionCommon Pointer to IKEV1_SESSION_COMMON related to the IKE packet.
@param[in] IkePacket Pointer to IKE_PACKET to be sent out.
@param[in] IkeType The type of IKE to point what's kind of the IKE
packet is to be sent out. IKE_SA_TYPE, IKE_INFO_TYPE
and IKE_CHILD_TYPE are supportted.
@retval EFI_SUCCESS The operation complete successfully.
@retval Otherwise The operation is failed.
**/
EFI_STATUS
Ikev2SendIkePacket (
IN IKE_UDP_SERVICE *IkeUdpService,
IN UINT8 *SessionCommon,
IN IKE_PACKET *IkePacket,
IN UINTN IkeType
);
/**
Callback function for the IKE life time is over.
This function will mark the related IKE SA Session as deleting and trigger a
Information negotiation.
@param[in] Event The time out event.
@param[in] Context Pointer to data passed by caller.
**/
VOID
EFIAPI
Ikev2LifetimeNotify (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
This function will be called if the TimeOut Event is signaled.
@param[in] Event The signaled Event.
@param[in] Context The data passed by caller.
**/
VOID
EFIAPI
Ikev2ResendNotify (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Generate a Key Exchange payload according to the DH group type and save the
public Key into IkeSaSession IkeKey field.
@param[in, out] IkeSaSession Pointer of the IKE_SA_SESSION.
@param[in] NextPayload The payload type presented in the NextPayload field of Key
Exchange Payload header.
@retval Pointer to Key IKE payload.
**/
IKE_PAYLOAD *
Ikev2GenerateKePayload (
IN OUT IKEV2_SA_SESSION *IkeSaSession,
IN UINT8 NextPayload
);
/**
Check if the SPD is related to the input Child SA Session.
This function is the subfunction of Ikev1AssociateSpdEntry(). It is the call
back function of IpSecVisitConfigData().
@param[in] Type Type of the input Config Selector.
@param[in] Selector Pointer to the Configure Selector to be checked.
@param[in] Data Pointer to the Configure Selector's Data passed
from the caller.
@param[in] SelectorSize The buffer size of Selector.
@param[in] DataSize The buffer size of the Data.
@param[in] Context The data passed from the caller. It is a Child
SA Session in this context.
@retval EFI_SUCCESS The SPD Selector is not related to the Child SA Session.
@retval EFI_ABORTED The SPD Selector is related to the Child SA session and
set the ChildSaSession->Spd to point to this SPD Selector.
**/
EFI_STATUS
Ikev2MatchSpdEntry (
IN EFI_IPSEC_CONFIG_DATA_TYPE Type,
IN EFI_IPSEC_CONFIG_SELECTOR *Selector,
IN VOID *Data,
IN UINTN SelectorSize,
IN UINTN DataSize,
IN VOID *Context
);
/**
Check if the Algorithm ID is supported.
@param[in] AlgorithmId The specified Algorithm ID.
@param[in] Type The type used to indicate the Algorithm is for Encrypt or
Authentication.
@retval TRUE If the Algorithm ID is supported.
@retval FALSE If the Algorithm ID is not supported.
**/
BOOLEAN
Ikev2IsSupportAlg (
IN UINT16 AlgorithmId,
IN UINT8 Type
);
/**
Generate a ChildSa Session and insert it into related IkeSaSession.
@param[in] IkeSaSession Pointer to related IKEV2_SA_SESSION.
@param[in] UdpService Pointer to related IKE_UDP_SERVICE.
@return pointer of IKEV2_CHILD_SA_SESSION.
**/
IKEV2_CHILD_SA_SESSION *
Ikev2ChildSaSessionCreate (
IN IKEV2_SA_SESSION *IkeSaSession,
IN IKE_UDP_SERVICE *UdpService
) ;
/**
Parse the received Initial Exchange Packet.
This function parse the SA Payload and Key Payload to find out the cryptographic
suite for the further IKE negotiation and fill it into the IKE SA Session's
CommonSession->SaParams.
@param[in, out] IkeSaSession Pointer to related IKEV2_SA_SESSION.
@param[in] SaPayload The received packet.
@param[in] Type The received packet IKE header flag.
@retval TRUE If the SA proposal in Packet is acceptable.
@retval FALSE If the SA proposal in Packet is not acceptable.
**/
BOOLEAN
Ikev2SaParseSaPayload (
IN OUT IKEV2_SA_SESSION *IkeSaSession,
IN IKE_PAYLOAD *SaPayload,
IN UINT8 Type
);
/**
Parse the received Authentication Exchange Packet.
This function parse the SA Payload and Key Payload to find out the cryptographic
suite for the ESP and fill it into the Child SA Session's CommonSession->SaParams.
@param[in, out] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION related to
this Authentication Exchange.
@param[in] SaPayload The received packet.
@param[in] Type The IKE header's flag of received packet .
@retval TRUE If the SA proposal in Packet is acceptable.
@retval FALSE If the SA proposal in Packet is not acceptable.
**/
BOOLEAN
Ikev2ChildSaParseSaPayload (
IN OUT IKEV2_CHILD_SA_SESSION *ChildSaSession,
IN IKE_PAYLOAD *SaPayload,
IN UINT8 Type
);
/**
Generate Key buffer from fragments.
If the digest length of specified HashAlgId is larger than or equal with the
required output key length, derive the key directly. Otherwise, Key Material
needs to be PRF-based concatenation according to 2.13 of RFC 4306:
prf+ (K,S) = T1 | T2 | T3 | T4 | ..., T1 = prf (K, S | 0x01),
T2 = prf (K, T1 | S | 0x02), T3 = prf (K, T2 | S | 0x03),T4 = prf (K, T3 | S | 0x04)
then derive the key from this key material.
@param[in] HashAlgId The Hash Algorithm ID used to generate key.
@param[in] HashKey Pointer to a key buffer which contains hash key.
@param[in] HashKeyLength The length of HashKey in bytes.
@param[in, out] OutputKey Pointer to buffer which is used to receive the
output key.
@param[in] OutputKeyLength The length of OutPutKey buffer.
@param[in] Fragments Pointer to the data to be used to generate key.
@param[in] NumFragments The numbers of the Fragement.
@retval EFI_SUCCESS The operation complete successfully.
@retval EFI_INVALID_PARAMETER If NumFragments is zero.
@retval EFI_OUT_OF_RESOURCES If the required resource can't be allocated.
@retval Others The operation is failed.
**/
EFI_STATUS
Ikev2SaGenerateKey (
IN UINT8 HashAlgId,
IN UINT8 *HashKey,
IN UINTN HashKeyLength,
IN OUT UINT8 *OutputKey,
IN UINTN OutputKeyLength,
IN PRF_DATA_FRAGMENT *Fragments,
IN UINTN NumFragments
);
/**
Copy ChildSaSession->Spd->Selector to ChildSaSession->SpdSelector.
ChildSaSession->SpdSelector stores the real Spdselector for its SA. Sometime,
the SpdSelector in ChildSaSession is more accurated or the scope is smaller
than the one in ChildSaSession->Spd, especially for the tunnel mode.
@param[in, out] ChildSaSession Pointer to IKEV2_CHILD_SA_SESSION related to.
**/
VOID
Ikev2ChildSaSessionSpdSelectorCreate (
IN OUT IKEV2_CHILD_SA_SESSION *ChildSaSession
);
extern IKE_ALG_GUID_INFO mIPsecEncrAlgInfo[];
#endif