f9a149164a
Convert the UNIX to DOS end of line format. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18324 6f19259b-4bc3-4df7-8a09-765794883524
324 lines
11 KiB
C
324 lines
11 KiB
C
/** @file
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This library is used to share code between UEFI network stack modules.
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It provides the helper routines to parse the HTTP message byte stream.
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Copyright (c) 2015, 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<BR>
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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 _HTTP_LIB_H_
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#define _HTTP_LIB_H_
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#include <Protocol/Http.h>
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/**
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Decode a percent-encoded URI component to the ASCII character.
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Decode the input component in Buffer according to RFC 3986. The caller is responsible to make
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sure ResultBuffer points to a buffer with size equal or greater than ((AsciiStrSize (Buffer))
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in bytes.
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@param[in] Buffer The pointer to a percent-encoded URI component.
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@param[in] BufferLength Length of Buffer in bytes.
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@param[out] ResultBuffer Point to the buffer to store the decode result.
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@param[out] ResultLength Length of decoded string in ResultBuffer in bytes.
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@retval EFI_SUCCESS Successfully decoded the URI.
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@retval EFI_INVALID_PARAMETER Buffer is not a valid percent-encoded string.
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**/
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EFI_STATUS
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EFIAPI
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UriPercentDecode (
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IN CHAR8 *Buffer,
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IN UINT32 BufferLength,
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OUT CHAR8 *ResultBuffer,
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OUT UINT32 *ResultLength
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);
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/**
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Create a URL parser for the input URL string.
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This function will parse and dereference the input HTTP URL into it components. The original
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content of the URL won't be modified and the result will be returned in UrlParser, which can
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be used in other functions like NetHttpUrlGetHostName(). It is the caller's responsibility to
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free the buffer returned in *UrlParser by HttpUrlFreeParser().
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@param[in] Url The pointer to a HTTP URL string.
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@param[in] Length Length of Url in bytes.
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@param[in] IsConnectMethod Whether the Url is used in HTTP CONNECT method or not.
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@param[out] UrlParser Pointer to the returned buffer to store the parse result.
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@retval EFI_SUCCESS Successfully dereferenced the HTTP URL.
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@retval EFI_INVALID_PARAMETER UrlParser is NULL or Url is not a valid HTTP URL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpParseUrl (
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IN CHAR8 *Url,
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IN UINT32 Length,
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IN BOOLEAN IsConnectMethod,
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OUT VOID **UrlParser
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);
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/**
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Get the Hostname from a HTTP URL.
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This function will return the HostName according to the Url and previous parse result ,and
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it is the caller's responsibility to free the buffer returned in *HostName.
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@param[in] Url The pointer to a HTTP URL string.
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@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
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@param[out] HostName Pointer to a buffer to store the HostName.
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@retval EFI_SUCCESS Successfully get the required component.
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@retval EFI_INVALID_PARAMETER Uri is NULL or HostName is NULL or UrlParser is invalid.
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@retval EFI_NOT_FOUND No hostName component in the URL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpUrlGetHostName (
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IN CHAR8 *Url,
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IN VOID *UrlParser,
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OUT CHAR8 **HostName
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);
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/**
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Get the IPv4 address from a HTTP URL.
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This function will return the IPv4 address according to the Url and previous parse result.
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@param[in] Url The pointer to a HTTP URL string.
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@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
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@param[out] Ip4Address Pointer to a buffer to store the IP address.
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@retval EFI_SUCCESS Successfully get the required component.
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@retval EFI_INVALID_PARAMETER Uri is NULL or Ip4Address is NULL or UrlParser is invalid.
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@retval EFI_NOT_FOUND No IPv4 address component in the URL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpUrlGetIp4 (
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IN CHAR8 *Url,
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IN VOID *UrlParser,
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OUT EFI_IPv4_ADDRESS *Ip4Address
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);
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/**
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Get the IPv6 address from a HTTP URL.
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This function will return the IPv6 address according to the Url and previous parse result.
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@param[in] Url The pointer to a HTTP URL string.
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@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
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@param[out] Ip6Address Pointer to a buffer to store the IP address.
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@retval EFI_SUCCESS Successfully get the required component.
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@retval EFI_INVALID_PARAMETER Uri is NULL or Ip6Address is NULL or UrlParser is invalid.
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@retval EFI_NOT_FOUND No IPv6 address component in the URL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpUrlGetIp6 (
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IN CHAR8 *Url,
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IN VOID *UrlParser,
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OUT EFI_IPv6_ADDRESS *Ip6Address
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);
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/**
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Get the port number from a HTTP URL.
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This function will return the port number according to the Url and previous parse result.
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@param[in] Url The pointer to a HTTP URL string.
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@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
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@param[out] Port Pointer to a buffer to store the port number.
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@retval EFI_SUCCESS Successfully get the required component.
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@retval EFI_INVALID_PARAMETER Uri is NULL or Port is NULL or UrlParser is invalid.
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@retval EFI_NOT_FOUND No port number in the URL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpUrlGetPort (
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IN CHAR8 *Url,
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IN VOID *UrlParser,
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OUT UINT16 *Port
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);
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/**
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Release the resource of the URL parser.
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@param[in] UrlParser Pointer to the parser.
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**/
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VOID
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EFIAPI
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HttpUrlFreeParser (
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IN VOID *UrlParser
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);
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//
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// HTTP body parser interface.
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//
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typedef enum {
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//
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// Part of entity data.
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// Length of entity body in Data.
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//
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BodyParseEventOnData,
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//
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// End of message body.
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// Length is 0 and Data points to next byte after the end of the message.
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//
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BodyParseEventOnComplete
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} HTTP_BODY_PARSE_EVENT;
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/**
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A callback function to intercept events during message parser.
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This function will be invoked during HttpParseMessageBody() with various events type. An error
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return status of the callback function will cause the HttpParseMessageBody() aborted.
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@param[in] EventType Event type of this callback call.
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@param[in] Data A pointer to data buffer.
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@param[in] Length Length in bytes of the Data.
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@param[in] Context Callback context set by HttpInitMsgParser().
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@retval EFI_SUCCESS Continue to parser the message body.
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@retval Others Abort the parse.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *HTTP_BODY_PARSER_CALLBACK) (
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IN HTTP_BODY_PARSE_EVENT EventType,
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IN CHAR8 *Data,
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IN UINTN Length,
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IN VOID *Context
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);
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/**
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Initialize a HTTP message-body parser.
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This function will create and initialize a HTTP message parser according to caller provided HTTP message
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header information. It is the caller's responsibility to free the buffer returned in *UrlParser by HttpFreeMsgParser().
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@param[in] Method The HTTP method (e.g. GET, POST) for this HTTP message.
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@param[in] StatusCode Response status code returned by the remote host.
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@param[in] HeaderCount Number of HTTP header structures in Headers.
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@param[in] Headers Array containing list of HTTP headers.
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@param[in] Callback Callback function that is invoked when parsing the HTTP message-body,
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set to NULL to ignore all events.
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@param[in] Context Pointer to the context that will be passed to Callback.
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@param[out] MsgParser Pointer to the returned buffer to store the message parser.
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@retval EFI_SUCCESS Successfully initialized the parser.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
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@retval EFI_INVALID_PARAMETER MsgParser is NULL or HeaderCount is not NULL but Headers is NULL.
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@retval Others Failed to initialize the parser.
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**/
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EFI_STATUS
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EFIAPI
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HttpInitMsgParser (
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IN EFI_HTTP_METHOD Method,
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IN EFI_HTTP_STATUS_CODE StatusCode,
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IN UINTN HeaderCount,
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IN EFI_HTTP_HEADER *Headers,
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IN HTTP_BODY_PARSER_CALLBACK Callback,
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IN VOID *Context,
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OUT VOID **MsgParser
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);
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/**
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Parse message body.
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Parse BodyLength of message-body. This function can be called repeatedly to parse the message-body partially.
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@param[in, out] MsgParser Pointer to the message parser.
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@param[in] BodyLength Length in bytes of the Body.
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@param[in] Body Pointer to the buffer of the message-body to be parsed.
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@retval EFI_SUCCESS Successfully parse the message-body.
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@retval EFI_INVALID_PARAMETER MsgParser is NULL or Body is NULL or BodyLength is 0.
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@retval Others Operation aborted.
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**/
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EFI_STATUS
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EFIAPI
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HttpParseMessageBody (
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IN OUT VOID *MsgParser,
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IN UINTN BodyLength,
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IN CHAR8 *Body
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);
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/**
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Check whether the message-body is complete or not.
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@param[in] MsgParser Pointer to the message parser.
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@retval TRUE Message-body is complete.
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@retval FALSE Message-body is not complete.
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**/
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BOOLEAN
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EFIAPI
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HttpIsMessageComplete (
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IN VOID *MsgParser
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);
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/**
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Get the content length of the entity.
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Note that in trunk transfer, the entity length is not valid until the whole message body is received.
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@param[in] MsgParser Pointer to the message parser.
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@param[out] ContentLength Pointer to store the length of the entity.
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@retval EFI_SUCCESS Successfully to get the entity length.
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@retval EFI_NOT_READY Entity length is not valid yet.
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@retval EFI_INVALID_PARAMETER MsgParser is NULL or ContentLength is NULL.
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**/
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EFI_STATUS
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EFIAPI
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HttpGetEntityLength (
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IN VOID *MsgParser,
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OUT UINTN *ContentLength
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);
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/**
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Release the resource of the message parser.
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@param[in] MsgParser Pointer to the message parser.
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**/
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VOID
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EFIAPI
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HttpFreeMsgParser (
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IN VOID *MsgParser
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);
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#endif
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