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/** @file
EFI HTTP Utilities protocol provides a platform independent abstraction for HTTP
message comprehension.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
This Protocol is introduced in UEFI Specification 2.5
**/
#ifndef __EFI_HTTP_UTILITIES_PROTOCOL_H__
#define __EFI_HTTP_UTILITIES_PROTOCOL_H__
#include <Protocol/Http.h>
#define EFI_HTTP_UTILITIES_PROTOCOL_GUID \
{ \
0x3e35c163, 0x4074, 0x45dd, {0x43, 0x1e, 0x23, 0x98, 0x9d, 0xd8, 0x6b, 0x32 } \
}
typedef struct _EFI_HTTP_UTILITIES_PROTOCOL EFI_HTTP_UTILITIES_PROTOCOL;
/**
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.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HTTP_UTILS_BUILD) (
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.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_HTTP_UTILS_PARSE) (
IN EFI_HTTP_UTILITIES_PROTOCOL *This,
IN CHAR8 *HttpMessage,
IN UINTN HttpMessageSize,
OUT EFI_HTTP_HEADER **HeaderFields,
OUT UINTN *FieldCount
);
///
/// EFI_HTTP_UTILITIES_PROTOCOL
/// designed to be used by EFI drivers and applications to parse HTTP
/// headers from a byte stream. This driver is neither dependent on
/// network connectivity, nor the existence of an underlying network
/// infrastructure.
///
struct _EFI_HTTP_UTILITIES_PROTOCOL {
EFI_HTTP_UTILS_BUILD Build;
EFI_HTTP_UTILS_PARSE Parse;
};
extern EFI_GUID gEfiHttpUtilitiesProtocolGuid;
#endif
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