Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Siyuan Fu <siyuan.fu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
		
			
				
	
	
		
			317 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			317 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Header file of Miscellaneous Routines for TlsDxe driver.
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| 
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| Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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| 
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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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| 
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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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| **/
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| 
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| #ifndef __EFI_TLS_IMPL_H__
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| #define __EFI_TLS_IMPL_H__
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| 
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| //
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| // Libraries
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| //
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| #include <Library/UefiBootServicesTableLib.h>
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| #include <Library/MemoryAllocationLib.h>
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| #include <Library/BaseMemoryLib.h>
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| #include <Library/BaseLib.h>
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| #include <Library/UefiLib.h>
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| #include <Library/DebugLib.h>
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| #include <Library/NetLib.h>
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| #include <Library/BaseCryptLib.h>
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| #include <Library/TlsLib.h>
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| 
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| //
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| // Consumed Protocols
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| //
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| #include <Protocol/Tls.h>
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| #include <Protocol/TlsConfig.h>
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| 
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| #include <IndustryStandard/Tls1.h>
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| 
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| #include "TlsDriver.h"
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| 
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| //
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| // Protocol instances
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| //
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| extern EFI_SERVICE_BINDING_PROTOCOL    mTlsServiceBinding;
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| extern EFI_TLS_PROTOCOL                mTlsProtocol;
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| extern EFI_TLS_CONFIGURATION_PROTOCOL  mTlsConfigurationProtocol;
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| 
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| #define RECORD_HEADER_LEN 5 /// ContentType(1) + Version(2) + Length(2)
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| 
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| #define MAX_BUFFER_SIZE   32768
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| 
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| /**
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|   Encrypt the message listed in fragment.
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| 
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|   @param[in]       TlsInstance    The pointer to the TLS instance.
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|   @param[in, out]  FragmentTable  Pointer to a list of fragment.
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|                                   On input these fragments contain the TLS header and
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|                                   plain text TLS payload;
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|                                   On output these fragments contain the TLS header and
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|                                   cipher text TLS payload.
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|   @param[in]       FragmentCount  Number of fragment.
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| 
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|   @retval EFI_SUCCESS             The operation completed successfully.
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|   @retval EFI_OUT_OF_RESOURCES    Can't allocate memory resources.
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|   @retval EFI_ABORTED             TLS session state is incorrect.
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|   @retval Others                  Other errors as indicated.
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| **/
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| EFI_STATUS
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| TlsEncryptPacket (
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|   IN     TLS_INSTANCE                  *TlsInstance,
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|   IN OUT EFI_TLS_FRAGMENT_DATA         **FragmentTable,
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|   IN     UINT32                        *FragmentCount
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|   );
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| 
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| /**
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|   Decrypt the message listed in fragment.
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| 
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|   @param[in]       TlsInstance    The pointer to the TLS instance.
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|   @param[in, out]  FragmentTable  Pointer to a list of fragment.
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|                                   On input these fragments contain the TLS header and
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|                                   cipher text TLS payload;
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|                                   On output these fragments contain the TLS header and
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|                                   plain text TLS payload.
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|   @param[in]       FragmentCount  Number of fragment.
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| 
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|   @retval EFI_SUCCESS             The operation completed successfully.
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|   @retval EFI_OUT_OF_RESOURCES    Can't allocate memory resources.
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|   @retval EFI_ABORTED             TLS session state is incorrect.
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|   @retval Others                  Other errors as indicated.
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| **/
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| EFI_STATUS
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| TlsDecryptPacket (
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|   IN     TLS_INSTANCE                  *TlsInstance,
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|   IN OUT EFI_TLS_FRAGMENT_DATA         **FragmentTable,
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|   IN     UINT32                        *FragmentCount
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|   );
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| 
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| /**
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|   Set TLS session data.
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| 
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|   The SetSessionData() function set data for a new TLS session. All session data should
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|   be set before BuildResponsePacket() invoked.
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| 
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|   @param[in]  This                Pointer to the EFI_TLS_PROTOCOL instance.
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|   @param[in]  DataType            TLS session data type.
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|   @param[in]  Data                Pointer to session data.
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|   @param[in]  DataSize            Total size of session data.
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| 
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|   @retval EFI_SUCCESS             The TLS session data is set successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   Data is NULL.
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|                                   DataSize is 0.
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|   @retval EFI_UNSUPPORTED         The DataType is unsupported.
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|   @retval EFI_ACCESS_DENIED       If the DataType is one of below:
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|                                   EfiTlsClientRandom
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|                                   EfiTlsServerRandom
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|                                   EfiTlsKeyMaterial
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|   @retval EFI_NOT_READY           Current TLS session state is NOT
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|                                   EfiTlsSessionStateNotStarted.
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|   @retval EFI_OUT_OF_RESOURCES    Required system resources could not be allocated.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsSetSessionData (
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|   IN     EFI_TLS_PROTOCOL              *This,
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|   IN     EFI_TLS_SESSION_DATA_TYPE     DataType,
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|   IN     VOID                          *Data,
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|   IN     UINTN                         DataSize
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|   );
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| 
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| /**
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|   Get TLS session data.
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| 
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|   The GetSessionData() function return the TLS session information.
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| 
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|   @param[in]       This           Pointer to the EFI_TLS_PROTOCOL instance.
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|   @param[in]       DataType       TLS session data type.
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|   @param[in, out]  Data           Pointer to session data.
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|   @param[in, out]  DataSize       Total size of session data. On input, it means
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|                                   the size of Data buffer. On output, it means the size
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|                                   of copied Data buffer if EFI_SUCCESS, and means the
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|                                   size of desired Data buffer if EFI_BUFFER_TOO_SMALL.
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| 
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|   @retval EFI_SUCCESS             The TLS session data is got successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   DataSize is NULL.
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|                                   Data is NULL if *DataSize is not zero.
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|   @retval EFI_UNSUPPORTED         The DataType is unsupported.
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|   @retval EFI_NOT_FOUND           The TLS session data is not found.
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|   @retval EFI_NOT_READY           The DataType is not ready in current session state.
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|   @retval EFI_BUFFER_TOO_SMALL    The buffer is too small to hold the data.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsGetSessionData (
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|   IN     EFI_TLS_PROTOCOL              *This,
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|   IN     EFI_TLS_SESSION_DATA_TYPE     DataType,
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|   IN OUT VOID                          *Data,  OPTIONAL
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|   IN OUT UINTN                         *DataSize
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|   );
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| 
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| /**
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|   Build response packet according to TLS state machine. This function is only valid for
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|   alert, handshake and change_cipher_spec content type.
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| 
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|   The BuildResponsePacket() function builds TLS response packet in response to the TLS
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|   request packet specified by RequestBuffer and RequestSize. If RequestBuffer is NULL and
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|   RequestSize is 0, and TLS session status is EfiTlsSessionNotStarted, the TLS session
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|   will be initiated and the response packet needs to be ClientHello. If RequestBuffer is
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|   NULL and RequestSize is 0, and TLS session status is EfiTlsSessionClosing, the TLS
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|   session will be closed and response packet needs to be CloseNotify. If RequestBuffer is
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|   NULL and RequestSize is 0, and TLS session status is EfiTlsSessionError, the TLS
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|   session has errors and the response packet needs to be Alert message based on error
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|   type.
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| 
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|   @param[in]       This           Pointer to the EFI_TLS_PROTOCOL instance.
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|   @param[in]       RequestBuffer  Pointer to the most recently received TLS packet. NULL
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|                                   means TLS need initiate the TLS session and response
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|                                   packet need to be ClientHello.
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|   @param[in]       RequestSize    Packet size in bytes for the most recently received TLS
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|                                   packet. 0 is only valid when RequestBuffer is NULL.
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|   @param[out]      Buffer         Pointer to the buffer to hold the built packet.
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|   @param[in, out]  BufferSize     Pointer to the buffer size in bytes. On input, it is
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|                                   the buffer size provided by the caller. On output, it
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|                                   is the buffer size in fact needed to contain the
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|                                   packet.
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| 
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|   @retval EFI_SUCCESS             The required TLS packet is built successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   RequestBuffer is NULL but RequestSize is NOT 0.
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|                                   RequestSize is 0 but RequestBuffer is NOT NULL.
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|                                   BufferSize is NULL.
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|                                   Buffer is NULL if *BufferSize is not zero.
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|   @retval EFI_BUFFER_TOO_SMALL    BufferSize is too small to hold the response packet.
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|   @retval EFI_NOT_READY           Current TLS session state is NOT ready to build
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|                                   ResponsePacket.
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|   @retval EFI_ABORTED             Something wrong build response packet.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsBuildResponsePacket (
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|   IN     EFI_TLS_PROTOCOL              *This,
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|   IN     UINT8                         *RequestBuffer, OPTIONAL
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|   IN     UINTN                         RequestSize, OPTIONAL
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|      OUT UINT8                         *Buffer, OPTIONAL
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|   IN OUT UINTN                         *BufferSize
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|   );
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| 
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| /**
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|   Decrypt or encrypt TLS packet during session. This function is only valid after
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|   session connected and for application_data content type.
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| 
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|   The ProcessPacket () function process each inbound or outbound TLS APP packet.
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| 
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|   @param[in]       This           Pointer to the EFI_TLS_PROTOCOL instance.
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|   @param[in, out]  FragmentTable  Pointer to a list of fragment. The caller will take
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|                                   responsible to handle the original FragmentTable while
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|                                   it may be reallocated in TLS driver. If CryptMode is
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|                                   EfiTlsEncrypt, on input these fragments contain the TLS
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|                                   header and plain text TLS APP payload; on output these
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|                                   fragments contain the TLS header and cipher text TLS
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|                                   APP payload. If CryptMode is EfiTlsDecrypt, on input
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|                                   these fragments contain the TLS header and cipher text
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|                                   TLS APP payload; on output these fragments contain the
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|                                   TLS header and plain text TLS APP payload.
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|   @param[in]       FragmentCount  Number of fragment.
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|   @param[in]       CryptMode      Crypt mode.
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| 
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|   @retval EFI_SUCCESS             The operation completed successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   FragmentTable is NULL.
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|                                   FragmentCount is NULL.
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|                                   CryptoMode is invalid.
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|   @retval EFI_NOT_READY           Current TLS session state is NOT
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|                                   EfiTlsSessionDataTransferring.
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|   @retval EFI_ABORTED             Something wrong decryption the message. TLS session
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|                                   status will become EfiTlsSessionError. The caller need
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|                                   call BuildResponsePacket() to generate Error Alert
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|                                   message and send it out.
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|   @retval EFI_OUT_OF_RESOURCES    No enough resource to finish the operation.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsProcessPacket (
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|   IN     EFI_TLS_PROTOCOL              *This,
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|   IN OUT EFI_TLS_FRAGMENT_DATA         **FragmentTable,
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|   IN     UINT32                        *FragmentCount,
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|   IN     EFI_TLS_CRYPT_MODE            CryptMode
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|   );
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| 
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| /**
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|   Set TLS configuration data.
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| 
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|   The SetData() function sets TLS configuration to non-volatile storage or volatile
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|   storage.
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| 
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|   @param[in]  This                Pointer to the EFI_TLS_CONFIGURATION_PROTOCOL instance.
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|   @param[in]  DataType            Configuration data type.
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|   @param[in]  Data                Pointer to configuration data.
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|   @param[in]  DataSize            Total size of configuration data.
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| 
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|   @retval EFI_SUCCESS             The TLS configuration data is set successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   Data is NULL.
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|                                   DataSize is 0.
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|   @retval EFI_UNSUPPORTED         The DataType is unsupported.
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|   @retval EFI_OUT_OF_RESOURCES    Required system resources could not be allocated.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsConfigurationSetData (
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|   IN     EFI_TLS_CONFIGURATION_PROTOCOL  *This,
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|   IN     EFI_TLS_CONFIG_DATA_TYPE        DataType,
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|   IN     VOID                            *Data,
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|   IN     UINTN                           DataSize
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|   );
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| 
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| /**
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|   Get TLS configuration data.
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| 
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|   The GetData() function gets TLS configuration.
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| 
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|   @param[in]       This           Pointer to the EFI_TLS_CONFIGURATION_PROTOCOL instance.
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|   @param[in]       DataType       Configuration data type.
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|   @param[in, out]  Data           Pointer to configuration data.
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|   @param[in, out]  DataSize       Total size of configuration data. On input, it means
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|                                   the size of Data buffer. On output, it means the size
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|                                   of copied Data buffer if EFI_SUCCESS, and means the
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|                                   size of desired Data buffer if EFI_BUFFER_TOO_SMALL.
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| 
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|   @retval EFI_SUCCESS             The TLS configuration data is got successfully.
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|   @retval EFI_INVALID_PARAMETER   One or more of the following conditions is TRUE:
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|                                   This is NULL.
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|                                   DataSize is NULL.
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|                                   Data is NULL if *DataSize is not zero.
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|   @retval EFI_UNSUPPORTED         The DataType is unsupported.
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|   @retval EFI_NOT_FOUND           The TLS configuration data is not found.
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|   @retval EFI_BUFFER_TOO_SMALL    The buffer is too small to hold the data.
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| **/
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| EFI_STATUS
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| EFIAPI
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| TlsConfigurationGetData (
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|   IN     EFI_TLS_CONFIGURATION_PROTOCOL  *This,
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|   IN     EFI_TLS_CONFIG_DATA_TYPE        DataType,
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|   IN OUT VOID                            *Data, OPTIONAL
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|   IN OUT UINTN                           *DataSize
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|   );
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| 
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| #endif
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| 
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