Add NetworkPkg (P.UDK2010.UP3.Network.P1)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10986 6f19259b-4bc3-4df7-8a09-765794883524
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hhtian
313
NetworkPkg/IpSecDxe/IpSecImpl.h
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313
NetworkPkg/IpSecDxe/IpSecImpl.h
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/** @file
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The definitions related to IPsec protocol implementation.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _IP_SEC_IMPL_H_
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#define _IP_SEC_IMPL_H_
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#include <Uefi.h>
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#include <Library/UefiLib.h>
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#include <Library/NetLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Protocol/IpSec.h>
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#include <Protocol/IpSecConfig.h>
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#include <Protocol/Dpc.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/ComponentName2.h>
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typedef struct _IPSEC_PRIVATE_DATA IPSEC_PRIVATE_DATA;
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typedef struct _IPSEC_SPD_ENTRY IPSEC_SPD_ENTRY;
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typedef struct _IPSEC_PAD_ENTRY IPSEC_PAD_ENTRY;
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typedef struct _IPSEC_SPD_DATA IPSEC_SPD_DATA;
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#define IPSEC_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('I', 'P', 'S', 'E')
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#define IPSEC_PRIVATE_DATA_FROM_IPSEC(a) CR (a, IPSEC_PRIVATE_DATA, IpSec, IPSEC_PRIVATE_DATA_SIGNATURE)
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#define IPSEC_PRIVATE_DATA_FROM_UDP4LIST(a) CR (a, IPSEC_PRIVATE_DATA, Udp4List, IPSEC_PRIVATE_DATA_SIGNATURE)
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#define IPSEC_PRIVATE_DATA_FROM_UDP6LIST(a) CR (a, IPSEC_PRIVATE_DATA, Udp6List, IPSEC_PRIVATE_DATA_SIGNATURE)
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#define IPSEC_UDP_SERVICE_FROM_LIST(a) BASE_CR (a, IKE_UDP_SERVICE, List)
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#define IPSEC_SPD_ENTRY_FROM_LIST(a) BASE_CR (a, IPSEC_SPD_ENTRY, List)
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#define IPSEC_SAD_ENTRY_FROM_LIST(a) BASE_CR (a, IPSEC_SAD_ENTRY, List)
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#define IPSEC_PAD_ENTRY_FROM_LIST(a) BASE_CR (a, IPSEC_PAD_ENTRY, List)
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#define IPSEC_SAD_ENTRY_FROM_SPD(a) BASE_CR (a, IPSEC_SAD_ENTRY, BySpd)
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#define IPSEC_STATUS_DISABLED 0
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#define IPSEC_STATUS_ENABLED 1
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#define IPSEC_ESP_PROTOCOL 50
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#define IPSEC_AH_PROTOCOL 51
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#define IPSEC_DEFAULT_VARIABLE_SIZE 0x100
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//
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// Internal Structure Definition
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//
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#pragma pack(1)
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typedef struct _EFI_AH_HEADER {
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UINT8 NextHeader;
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UINT8 PayloadLen;
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UINT16 Reserved;
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UINT32 Spi;
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UINT32 SequenceNumber;
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} EFI_AH_HEADER;
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typedef struct _EFI_ESP_HEADER {
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UINT32 Spi;
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UINT32 SequenceNumber;
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} EFI_ESP_HEADER;
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typedef struct _EFI_ESP_TAIL {
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UINT8 PaddingLength;
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UINT8 NextHeader;
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} EFI_ESP_TAIL;
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#pragma pack()
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struct _IPSEC_SPD_DATA {
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CHAR16 Name[100];
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UINT32 PackageFlag;
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EFI_IPSEC_ACTION Action;
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EFI_IPSEC_PROCESS_POLICY *ProcessingPolicy;
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LIST_ENTRY Sas;
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};
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struct _IPSEC_SPD_ENTRY {
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EFI_IPSEC_SPD_SELECTOR *Selector;
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IPSEC_SPD_DATA *Data;
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LIST_ENTRY List;
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};
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typedef struct _IPSEC_SAD_DATA {
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EFI_IPSEC_MODE Mode;
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UINT64 SequenceNumber;
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UINT8 AntiReplayWindowSize;
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UINT64 AntiReplayBitmap[4]; // bitmap for received packet
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EFI_IPSEC_ALGO_INFO AlgoInfo;
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EFI_IPSEC_SA_LIFETIME SaLifetime;
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UINT32 PathMTU;
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IPSEC_SPD_ENTRY *SpdEntry;
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BOOLEAN ESNEnabled; // Extended (64-bit) SN enabled
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BOOLEAN ManualSet;
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} IPSEC_SAD_DATA;
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typedef struct _IPSEC_SAD_ENTRY {
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EFI_IPSEC_SA_ID *Id;
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IPSEC_SAD_DATA *Data;
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LIST_ENTRY List;
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LIST_ENTRY BySpd; // Linked on IPSEC_SPD_DATA.Sas
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} IPSEC_SAD_ENTRY;
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struct _IPSEC_PAD_ENTRY {
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EFI_IPSEC_PAD_ID *Id;
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EFI_IPSEC_PAD_DATA *Data;
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LIST_ENTRY List;
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};
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typedef struct _IPSEC_RECYCLE_CONTEXT {
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EFI_IPSEC_FRAGMENT_DATA *FragmentTable;
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UINT8 *PayloadBuffer;
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} IPSEC_RECYCLE_CONTEXT;
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struct _IPSEC_PRIVATE_DATA {
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UINT32 Signature;
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EFI_HANDLE Handle; // Virtual handle to install private prtocol
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EFI_HANDLE ImageHandle;
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EFI_IPSEC_PROTOCOL IpSec;
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EFI_IPSEC_CONFIG_PROTOCOL IpSecConfig;
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BOOLEAN SetBySelf;
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LIST_ENTRY Udp4List;
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UINTN Udp4Num;
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LIST_ENTRY Udp6List;
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UINTN Udp6Num;
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LIST_ENTRY Ikev1SessionList;
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LIST_ENTRY Ikev1EstablishedList;
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LIST_ENTRY Ikev2SessionList;
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LIST_ENTRY Ikev2EstablishedList;
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BOOLEAN IsIPsecDisabling;
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};
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/**
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This function processes the inbound traffic with IPsec.
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It checks the received packet security property, trims the ESP/AH header, and then
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returns without an IPsec protected IP Header and FragmentTable.
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@param[in] IpVersion The version of IP.
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@param[in, out] IpHead Points to IP header containing the ESP/AH header
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to be trimed on input, and without ESP/AH header
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on return.
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@param[in] LastHead The Last Header in IP header on return.
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@param[in] OptionsBuffer Pointer to the options buffer. It is optional.
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@param[in] OptionsLength Length of the options buffer. It is optional.
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@param[in, out] FragmentTable Pointer to a list of fragments in the form of IPsec
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protected on input, and without IPsec protected
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on return.
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@param[in] FragmentCount Number of fragments.
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@param[out] SpdEntry Pointer to contain the address of SPD entry on return.
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@param[out] RecycleEvent Event for recycling of resources.
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@retval EFI_SUCCESS The operation is successful.
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@retval EFI_UNSUPPORTED If the IPSEC protocol is not supported.
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**/
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EFI_STATUS
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IpSecProtectInboundPacket (
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IN UINT8 IpVersion,
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IN OUT VOID *IpHead,
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IN UINT8 *LastHead,
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IN VOID *OptionsBuffer, OPTIONAL
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IN UINT32 OptionsLength, OPTIONAL
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IN OUT EFI_IPSEC_FRAGMENT_DATA **FragmentTable,
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IN UINT32 *FragmentCount,
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OUT IPSEC_SPD_ENTRY **SpdEntry,
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OUT EFI_EVENT *RecycleEvent
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);
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/**
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This fucntion processes the output traffic with IPsec.
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It protected the sending packet by encrypting it payload and inserting ESP/AH header
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in the orginal IP header, then return the IpHeader and IPsec protected Fragmentable.
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@param[in] IpVersion The version of IP.
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@param[in, out] IpHead Point to IP header containing the orginal IP header
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to be processed on input, and inserted ESP/AH header
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on return.
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@param[in] LastHead The Last Header in IP header.
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@param[in] OptionsBuffer Pointer to the options buffer. It is optional.
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@param[in] OptionsLength Length of the options buffer. It is optional.
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@param[in, out] FragmentTable Pointer to a list of fragments to be protected by
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IPsec on input, and with IPsec protected
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on return.
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@param[in] FragmentCount Number of fragments.
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@param[in] SadEntry Related SAD entry.
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@param[out] RecycleEvent Event for recycling of resources.
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@retval EFI_SUCCESS The operation is successful.
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@retval EFI_UNSUPPORTED If the IPSEC protocol is not supported.
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**/
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EFI_STATUS
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IpSecProtectOutboundPacket (
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IN UINT8 IpVersion,
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IN OUT VOID *IpHead,
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IN UINT8 *LastHead,
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IN VOID *OptionsBuffer, OPTIONAL
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IN UINT32 OptionsLength, OPTIONAL
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IN OUT EFI_IPSEC_FRAGMENT_DATA **FragmentTable,
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IN UINT32 *FragmentCount,
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IN IPSEC_SAD_ENTRY *SadEntry,
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OUT EFI_EVENT *RecycleEvent
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);
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/**
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Check if the IP Address in the address range of AddressInfos specified.
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@param[in] IpVersion The IP version.
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@param[in] IpAddr Points to EFI_IP_ADDRESS to be check.
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@param[in] AddressInfo A list of EFI_IP_ADDRESS_INFO that is used to check
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the IP Address is matched.
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@param[in] AddressCount The total numbers of the AddressInfo.
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@retval TRUE If the Specified IP Address is in the range of the AddressInfos specified.
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@retval FALSE If the Specified IP Address is not in the range of the AddressInfos specified.
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**/
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BOOLEAN
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IpSecMatchIpAddress (
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IN UINT8 IpVersion,
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IN EFI_IP_ADDRESS *IpAddr,
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IN EFI_IP_ADDRESS_INFO *AddressInfo,
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IN UINT32 AddressCount
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);
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/**
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Find a PAD entry according to remote IP address.
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@param[in] IpVersion The version of IP.
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@param[in] IpAddr Point to remote IP address.
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@return The pointer of related PAD entry.
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**/
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IPSEC_PAD_ENTRY *
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IpSecLookupPadEntry (
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IN UINT8 IpVersion,
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IN EFI_IP_ADDRESS *IpAddr
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);
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/**
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Find the SAD through whole SAD list.
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@param[in] Spi The SPI used to search the SAD entry.
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@param[in] DestAddress The destination used to search the SAD entry.
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@return The pointer to a certain SAD entry.
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**/
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IPSEC_SAD_ENTRY *
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IpSecLookupSadBySpi (
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IN UINT32 Spi,
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IN EFI_IP_ADDRESS *DestAddress
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)
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;
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/**
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Handles IPsec packet processing for inbound and outbound IP packets.
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The EFI_IPSEC_PROCESS process routine handles each inbound or outbound packet.
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The behavior is that it can perform one of the following actions:
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bypass the packet, discard the packet, or protect the packet.
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@param[in] This Pointer to the EFI_IPSEC_PROTOCOL instance.
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@param[in] NicHandle Instance of the network interface.
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@param[in] IpVersion IPV4 or IPV6.
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@param[in, out] IpHead Pointer to the IP Header.
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@param[in] LastHead The protocol of the next layer to be processed by IPsec.
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@param[in] OptionsBuffer Pointer to the options buffer.
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@param[in] OptionsLength Length of the options buffer.
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@param[in, out] FragmentTable Pointer to a list of fragments.
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@param[in] FragmentCount Number of fragments.
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@param[in] TrafficDirection Traffic direction.
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@param[out] RecycleSignal Event for recycling of resources.
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@retval EFI_SUCCESS The packet was bypassed and all buffers remain the same.
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@retval EFI_SUCCESS The packet was protected.
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@retval EFI_ACCESS_DENIED The packet was discarded.
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**/
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EFI_STATUS
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EFIAPI
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IpSecProcess (
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IN EFI_IPSEC_PROTOCOL *This,
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IN EFI_HANDLE NicHandle,
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IN UINT8 IpVersion,
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IN OUT VOID *IpHead,
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IN UINT8 *LastHead,
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IN VOID *OptionsBuffer,
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IN UINT32 OptionsLength,
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IN OUT EFI_IPSEC_FRAGMENT_DATA **FragmentTable,
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IN UINT32 *FragmentCount,
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IN EFI_IPSEC_TRAFFIC_DIR TrafficDirection,
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OUT EFI_EVENT *RecycleSignal
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);
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extern EFI_DPC_PROTOCOL *mDpc;
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extern EFI_IPSEC_PROTOCOL mIpSecInstance;
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extern EFI_COMPONENT_NAME2_PROTOCOL gIpSecComponentName2;
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extern EFI_COMPONENT_NAME_PROTOCOL gIpSecComponentName;
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#endif
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