/** @file
The header files of Http Utilities functions for HttpUtilities driver.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EFI_HTTP_UTILITIES_DXE_H__
#define __EFI_HTTP_UTILITIES_DXE_H__
#include <Uefi.h>
//
// Libraries
//
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/DebugLib.h>
//
// Consumed Protocols
//
#include <Protocol/HttpUtilities.h>
#include <Protocol/Http.h>
//
// Protocol instances
//
extern EFI_HTTP_UTILITIES_PROTOCOL mHttpUtilitiesProtocol;
/**
Free existing HeaderFields.
@param[in] HeaderFields Pointer to array of key/value header pairs waitting for free.
@param[in] FieldCount The number of header pairs in HeaderFields.
**/
VOID
FreeHeaderFields (
IN EFI_HTTP_HEADER *HeaderFields,
IN UINTN FieldCount
);
/**
Find required header field in HeaderFields.
@param[in] HeaderFields Pointer to array of key/value header pairs.
@param[in] FieldCount The number of header pairs.
@param[in] FieldName Pointer to header field's name.
@return Pointer to the queried header field.
@return NULL if not find this required header field.
**/
EFI_HTTP_HEADER *
FindHttpHeader (
IN EFI_HTTP_HEADER *HeaderFields,
IN UINTN FieldCount,
IN CHAR8 *FieldName
);
/**
Check whether header field called FieldName is in DeleteList.
@param[in] DeleteList Pointer to array of key/value header pairs.
@param[in] DeleteCount The number of header pairs.
@param[in] FieldName Pointer to header field's name.
@return TRUE if FieldName is not in DeleteList, that means this header field is valid.
@return FALSE if FieldName is in DeleteList, that means this header field is invalid.
**/
BOOLEAN
IsValidHttpHeader (
IN CHAR8 *DeleteList[],
IN UINTN DeleteCount,
IN CHAR8 *FieldName
);
/**
Set FieldName and FieldValue into specified HttpHeader.
@param[in] HttpHeader Specified HttpHeader.
@param[in] FieldName FieldName of this HttpHeader.
@param[in] FieldValue FieldValue of this HttpHeader.
@retval EFI_SUCCESS The FieldName and FieldValue are set into HttpHeader successfully.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
**/
EFI_STATUS
SetFieldNameAndValue (
IN EFI_HTTP_HEADER *HttpHeader,
IN CHAR8 *FieldName,
IN CHAR8 *FieldValue
);
/**
Get one key/value header pair from the raw string.
@param[in] String Pointer to the raw string.
@param[out] FieldName Pointer to header field's name.
@param[out] FieldValue Pointer to header field's value.
@return Pointer to the next raw string.
@return NULL if no key/value header pair from this raw string.
**/
CHAR8 *
GetFieldNameAndValue (
IN CHAR8 *String,
OUT CHAR8 **FieldName,
OUT CHAR8 **FieldValue
);
/**
Create HTTP header based on a combination of seed header, fields
to delete, and fields to append.
The Build() function is used to manage the headers portion of an
HTTP message by providing the ability to add, remove, or replace
HTTP headers.
@param[in] This Pointer to EFI_HTTP_UTILITIES_PROTOCOL instance.
@param[in] SeedMessageSize Size of the initial HTTP header. This can be zero.
@param[in] SeedMessage Initial HTTP header to be used as a base for
building a new HTTP header. If NULL,
SeedMessageSize is ignored.
@param[in] DeleteCount Number of null-terminated HTTP header field names
in DeleteList.
@param[in] DeleteList List of null-terminated HTTP header field names to
remove from SeedMessage. Only the field names are
in this list because the field values are irrelevant
to this operation.
@param[in] AppendCount Number of header fields in AppendList.
@param[in] AppendList List of HTTP headers to populate NewMessage with.
If SeedMessage is not NULL, AppendList will be
appended to the existing list from SeedMessage in
NewMessage.
@param[out] NewMessageSize Pointer to number of header fields in NewMessage.
@param[out] NewMessage Pointer to a new list of HTTP headers based on.
@retval EFI_SUCCESS Add, remove, and replace operations succeeded.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory for NewMessage.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
**/
EFI_STATUS
EFIAPI
HttpUtilitiesBuild (
IN EFI_HTTP_UTILITIES_PROTOCOL *This,
IN UINTN SeedMessageSize,
IN VOID *SeedMessage, OPTIONAL
IN UINTN DeleteCount,
IN CHAR8 *DeleteList[], OPTIONAL
IN UINTN AppendCount,
IN EFI_HTTP_HEADER *AppendList[], OPTIONAL
OUT UINTN *NewMessageSize,
OUT VOID **NewMessage
);
/**
Parses HTTP header and produces an array of key/value pairs.
The Parse() function is used to transform data stored in HttpHeader
into a list of fields paired with their corresponding values.
@param[in] This Pointer to EFI_HTTP_UTILITIES_PROTOCOL instance.
@param[in] HttpMessage Contains raw unformatted HTTP header string.
@param[in] HttpMessageSize Size of HTTP header.
@param[out] HeaderFields Array of key/value header pairs.
@param[out] FieldCount Number of headers in HeaderFields.
@retval EFI_SUCCESS Allocation succeeded.
@retval EFI_NOT_STARTED This EFI HTTP Protocol instance has not been
initialized.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
HttpMessage is NULL.
HeaderFields is NULL.
FieldCount is NULL.
**/
EFI_STATUS
EFIAPI
HttpUtilitiesParse (
IN EFI_HTTP_UTILITIES_PROTOCOL *This,
IN CHAR8 *HttpMessage,
IN UINTN HttpMessageSize,
OUT EFI_HTTP_HEADER **HeaderFields,
OUT UINTN *FieldCount
);
#endif