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307 lines
14 KiB
C
307 lines
14 KiB
C
/** @file
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Header file of Miscellaneous Routines for TlsDxe driver.
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Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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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// 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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// 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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#include <IndustryStandard/Tls1.h>
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#include "TlsDriver.h"
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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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Encrypt the message listed in fragment.
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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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@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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Decrypt the message listed in fragment.
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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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@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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Set TLS session data.
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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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@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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@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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Get TLS session data.
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The GetSessionData() function return the TLS session information.
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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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@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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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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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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@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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@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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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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The ProcessPacket () function process each inbound or outbound TLS APP packet.
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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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@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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Set TLS configuration data.
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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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@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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@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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Get TLS configuration data.
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The GetData() function gets TLS configuration.
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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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@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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#endif
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