From eb4d0b5e85f0c2657e1fbb1156a4ec9bbeb0ed27 Mon Sep 17 00:00:00 2001 From: Fu Siyuan Date: Tue, 7 Jul 2015 09:29:00 +0000 Subject: MdeModulePkg: Add HttpLib. This patch add the header file and DXE implementation for the HttpLib. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Fu Siyuan Reviewed-by: Ye Ting git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17856 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Include/Library/HttpLib.h | 323 +++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 MdeModulePkg/Include/Library/HttpLib.h (limited to 'MdeModulePkg/Include/Library/HttpLib.h') diff --git a/MdeModulePkg/Include/Library/HttpLib.h b/MdeModulePkg/Include/Library/HttpLib.h new file mode 100644 index 0000000000..7280cf334d --- /dev/null +++ b/MdeModulePkg/Include/Library/HttpLib.h @@ -0,0 +1,323 @@ +/** @file + This library is used to share code between UEFI network stack modules. + It provides the helper routines to parse the HTTP message byte stream. + +Copyright (c) 2015, Intel Corporation. All rights reserved.
+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 _HTTP_LIB_H_ +#define _HTTP_LIB_H_ + +#include + +/** + Decode a percent-encoded URI component to the ASCII character. + + Decode the input component in Buffer according to RFC 3986. The caller is responsible to make + sure ResultBuffer points to a buffer with size equal or greater than ((AsciiStrSize (Buffer)) + in bytes. + + @param[in] Buffer The pointer to a percent-encoded URI component. + @param[in] BufferLength Length of Buffer in bytes. + @param[out] ResultBuffer Point to the buffer to store the decode result. + @param[out] ResultLength Length of decoded string in ResultBuffer in bytes. + + @retval EFI_SUCCESS Successfully decoded the URI. + @retval EFI_INVALID_PARAMETER Buffer is not a valid percent-encoded string. + +**/ +EFI_STATUS +EFIAPI +UriPercentDecode ( + IN CHAR8 *Buffer, + IN UINT32 BufferLength, + OUT CHAR8 *ResultBuffer, + OUT UINT32 *ResultLength + ); + +/** + Create a URL parser for the input URL string. + + This function will parse and dereference the input HTTP URL into it components. The original + content of the URL won't be modified and the result will be returned in UrlParser, which can + be used in other functions like NetHttpUrlGetHostName(). It is the caller's responsibility to + free the buffer returned in *UrlParser by HttpUrlFreeParser(). + + @param[in] Url The pointer to a HTTP URL string. + @param[in] Length Length of Url in bytes. + @param[in] IsConnectMethod Whether the Url is used in HTTP CONNECT method or not. + @param[out] UrlParser Pointer to the returned buffer to store the parse result. + + @retval EFI_SUCCESS Successfully dereferenced the HTTP URL. + @retval EFI_INVALID_PARAMETER UrlParser is NULL or Url is not a valid HTTP URL. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + +**/ +EFI_STATUS +EFIAPI +HttpParseUrl ( + IN CHAR8 *Url, + IN UINT32 Length, + IN BOOLEAN IsConnectMethod, + OUT VOID **UrlParser + ); + +/** + Get the Hostname from a HTTP URL. + + This function will return the HostName according to the Url and previous parse result ,and + it is the caller's responsibility to free the buffer returned in *HostName. + + @param[in] Url The pointer to a HTTP URL string. + @param[in] UrlParser URL Parse result returned by NetHttpParseUrl(). + @param[out] HostName Pointer to a buffer to store the HostName. + + @retval EFI_SUCCESS Successfully get the required component. + @retval EFI_INVALID_PARAMETER Uri is NULL or HostName is NULL or UrlParser is invalid. + @retval EFI_NOT_FOUND No hostName component in the URL. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + +**/ +EFI_STATUS +EFIAPI +HttpUrlGetHostName ( + IN CHAR8 *Url, + IN VOID *UrlParser, + OUT CHAR8 **HostName + ); + +/** + Get the IPv4 address from a HTTP URL. + + This function will return the IPv4 address according to the Url and previous parse result. + + @param[in] Url The pointer to a HTTP URL string. + @param[in] UrlParser URL Parse result returned by NetHttpParseUrl(). + @param[out] Ip4Address Pointer to a buffer to store the IP address. + + @retval EFI_SUCCESS Successfully get the required component. + @retval EFI_INVALID_PARAMETER Uri is NULL or Ip4Address is NULL or UrlParser is invalid. + @retval EFI_NOT_FOUND No IPv4 address component in the URL. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + +**/ +EFI_STATUS +EFIAPI +HttpUrlGetIp4 ( + IN CHAR8 *Url, + IN VOID *UrlParser, + OUT EFI_IPv4_ADDRESS *Ip4Address + ); + +/** + Get the IPv6 address from a HTTP URL. + + This function will return the IPv6 address according to the Url and previous parse result. + + @param[in] Url The pointer to a HTTP URL string. + @param[in] UrlParser URL Parse result returned by NetHttpParseUrl(). + @param[out] Ip6Address Pointer to a buffer to store the IP address. + + @retval EFI_SUCCESS Successfully get the required component. + @retval EFI_INVALID_PARAMETER Uri is NULL or Ip6Address is NULL or UrlParser is invalid. + @retval EFI_NOT_FOUND No IPv6 address component in the URL. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + +**/ +EFI_STATUS +EFIAPI +HttpUrlGetIp6 ( + IN CHAR8 *Url, + IN VOID *UrlParser, + OUT EFI_IPv6_ADDRESS *Ip6Address + ); + +/** + Get the port number from a HTTP URL. + + This function will return the port number according to the Url and previous parse result. + + @param[in] Url The pointer to a HTTP URL string. + @param[in] UrlParser URL Parse result returned by NetHttpParseUrl(). + @param[out] Port Pointer to a buffer to store the port number. + + @retval EFI_SUCCESS Successfully get the required component. + @retval EFI_INVALID_PARAMETER Uri is NULL or Port is NULL or UrlParser is invalid. + @retval EFI_NOT_FOUND No port number in the URL. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + +**/ +EFI_STATUS +EFIAPI +HttpUrlGetPort ( + IN CHAR8 *Url, + IN VOID *UrlParser, + OUT UINT16 *Port + ); + +/** + Release the resource of the URL parser. + + @param[in] UrlParser Pointer to the parser. + +**/ +VOID +EFIAPI +HttpUrlFreeParser ( + IN VOID *UrlParser + ); + +// +// HTTP body parser interface. +// + +typedef enum { + // + // Part of entity data. + // Length of entity body in Data. + // + BodyParseEventOnData, + // + // End of message body. + // Length is 0 and Data points to next byte after the end of the message. + // + BodyParseEventOnComplete +} HTTP_BODY_PARSE_EVENT; + +/** + A callback function to intercept events during message parser. + + This function will be invoked during HttpParseMessageBody() with various events type. An error + return status of the callback function will cause the HttpParseMessageBody() aborted. + + @param[in] EventType Event type of this callback call. + @param[in] Data A pointer to data buffer. + @param[in] Length Length in bytes of the Data. + @param[in] Context Callback context set by HttpInitMsgParser(). + + @retval EFI_SUCCESS Continue to parser the message body. + @retval Others Abort the parse. + +**/ +typedef +EFI_STATUS +(EFIAPI *HTTP_BODY_PARSER_CALLBACK) ( + IN HTTP_BODY_PARSE_EVENT EventType, + IN CHAR8 *Data, + IN UINTN Length, + IN VOID *Context +); + +/** + Initialize a HTTP message-body parser. + + This function will create and initialize a HTTP message parser according to caller provided HTTP message + header information. It is the caller's responsibility to free the buffer returned in *UrlParser by HttpFreeMsgParser(). + + @param[in] Method The HTTP method (e.g. GET, POST) for this HTTP message. + @param[in] StatusCode Response status code returned by the remote host. + @param[in] HeaderCount Number of HTTP header structures in Headers. + @param[in] Headers Array containing list of HTTP headers. + @param[in] Callback Callback function that is invoked when parsing the HTTP message-body, + set to NULL to ignore all events. + @param[in] Context Pointer to the context that will be passed to Callback. + @param[out] MsgParser Pointer to the returned buffer to store the message parser. + + @retval EFI_SUCCESS Successfully initialized the parser. + @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources. + @retval EFI_INVALID_PARAMETER MsgParser is NULL or HeaderCount is not NULL but Headers is NULL. + @retval Others Failed to initialize the parser. + +**/ +EFI_STATUS +EFIAPI +HttpInitMsgParser ( + IN EFI_HTTP_METHOD Method, + IN EFI_HTTP_STATUS_CODE StatusCode, + IN UINTN HeaderCount, + IN EFI_HTTP_HEADER *Headers, + IN HTTP_BODY_PARSER_CALLBACK Callback, + IN VOID *Context, + OUT VOID **MsgParser + ); + +/** + Parse message body. + + Parse BodyLength of message-body. This function can be called repeatedly to parse the message-body partially. + + @param[in, out] MsgParser Pointer to the message parser. + @param[in] BodyLength Length in bytes of the Body. + @param[in] Body Pointer to the buffer of the message-body to be parsed. + + @retval EFI_SUCCESS Successfully parse the message-body. + @retval EFI_INVALID_PARAMETER MsgParser is NULL or Body is NULL or BodyLength is 0. + @retval Others Operation aborted. + +**/ +EFI_STATUS +EFIAPI +HttpParseMessageBody ( + IN OUT VOID *MsgParser, + IN UINTN BodyLength, + IN CHAR8 *Body + ); + +/** + Check whether the message-body is complete or not. + + @param[in] MsgParser Pointer to the message parser. + + @retval TRUE Message-body is complete. + @retval FALSE Message-body is not complete. + +**/ +BOOLEAN +EFIAPI +HttpIsMessageComplete ( + IN VOID *MsgParser + ); + +/** + Get the content length of the entity. + + Note that in trunk transfer, the entity length is not valid until the whole message body is received. + + @param[in] MsgParser Pointer to the message parser. + @param[out] ContentLength Pointer to store the length of the entity. + + @retval EFI_SUCCESS Successfully to get the entity length. + @retval EFI_NOT_READY Entity length is not valid yet. + @retval EFI_INVALID_PARAMETER MsgParser is NULL or ContentLength is NULL. + +**/ +EFI_STATUS +EFIAPI +HttpGetEntityLength ( + IN VOID *MsgParser, + OUT UINTN *ContentLength + ); + +/** + Release the resource of the message parser. + + @param[in] MsgParser Pointer to the message parser. + +**/ +VOID +EFIAPI +HttpFreeMsgParser ( + IN VOID *MsgParser + ); + + +#endif + -- cgit v1.2.3