winhttp包（windows）

/*++ Copyright (c) 1995-1999 Microsoft Corporation Module Name: wininet.h Abstract: Contains manifests, macros, types and prototypes for Microsoft Windows Internet Extensions --*/ #include <winapifamily.h> #pragma region Desktop Family #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #if !defined(_WININET_) #include <SpecStrings.h> #define _WININET_ /* * Set up Structure Packing to be 4 bytes * for all wininet structures */ #if defined(_WIN64) #include <pshpack8.h> #else #include <pshpack4.h> #endif #if defined(__cplusplus) extern "C" { #endif #if !defined(_WINX32_) #define INTERNETAPI EXTERN_C DECLSPEC_IMPORT HRESULT STDAPICALLTYPE #define INTERNETAPI_(type) EXTERN_C DECLSPEC_IMPORT type STDAPICALLTYPE #define INTERNETAPIX(type, salannotation) EXTERN_C DECLSPEC_IMPORT salannotation type STDAPICALLTYPE #define URLCACHEAPI EXTERN_C DECLSPEC_IMPORT DWORD STDAPICALLTYPE #define URLCACHEAPI_(type) EXTERN_C DECLSPEC_IMPORT type STDAPICALLTYPE #else #define INTERNETAPI EXTERN_C HRESULT STDAPICALLTYPE #define INTERNETAPI_(type) EXTERN_C type STDAPICALLTYPE #define INTERNETAPIX(type, salannotation) EXTERN_C salannotation type STDAPICALLTYPE #define URLCACHEAPI EXTERN_C DWORD STDAPICALLTYPE #define URLCACHEAPI_(type) EXTERN_C type STDAPICALLTYPE #endif #define BOOLAPI INTERNETAPIX(BOOL, _Success_(return != FALSE)) // // internet types // typedef LPVOID HINTERNET; typedef HINTERNET * LPHINTERNET; typedef WORD INTERNET_PORT; typedef INTERNET_PORT * LPINTERNET_PORT; // // Internet APIs // // // manifests // #define INTERNET_INVALID_PORT_NUMBER 0 // use the protocol-specific default #define INTERNET_DEFAULT_FTP_PORT 21 // default for FTP servers #define INTERNET_DEFAULT_GOPHER_PORT 70 // " " gopher " #define INTERNET_DEFAULT_HTTP_PORT 80 // " " HTTP " #define INTERNET_DEFAULT_HTTPS_PORT 443 // " " HTTPS " #define INTERNET_DEFAULT_SOCKS_PORT 1080 // default for SOCKS firewall servers. // // maximum field lengths (arbitrary) // #define INTERNET_MAX_HOST_NAME_LENGTH 256 #define INTERNET_MAX_USER_NAME_LENGTH 128 #define INTERNET_MAX_PASSWORD_LENGTH 128 #define INTERNET_MAX_PORT_NUMBER_LENGTH 5 // INTERNET_PORT is unsigned short #define INTERNET_MAX_PORT_NUMBER_VALUE 65535 // maximum unsigned short value #define INTERNET_MAX_PATH_LENGTH 2048 #define INTERNET_MAX_SCHEME_LENGTH 32 // longest protocol name length #define INTERNET_MAX_URL_LENGTH (INTERNET_MAX_SCHEME_LENGTH \ + sizeof("://") \ + INTERNET_MAX_PATH_LENGTH) // // values returned by InternetQueryOption() with INTERNET_OPTION_KEEP_CONNECTION: // #define INTERNET_KEEP_ALIVE_UNKNOWN ((DWORD)-1) #define INTERNET_KEEP_ALIVE_ENABLED 1 #define INTERNET_KEEP_ALIVE_DISABLED 0 // // flags returned by InternetQueryOption() with INTERNET_OPTION_REQUEST_FLAGS // #define INTERNET_REQFLAG_FROM_CACHE 0x00000001 // response came from cache #define INTERNET_REQFLAG_ASYNC 0x00000002 // request was made asynchronously #define INTERNET_REQFLAG_VIA_PROXY 0x00000004 // request was made via a proxy #define INTERNET_REQFLAG_NO_HEADERS 0x00000008 // orginal response contained no headers #define INTERNET_REQFLAG_PASSIVE 0x00000010 // FTP: passive-mode connection #define INTERNET_REQFLAG_CACHE_WRITE_DISABLED 0x00000040 // HTTPS: this request not cacheable #define INTERNET_REQFLAG_NET_TIMEOUT 0x00000080 // w/ _FROM_CACHE: net request timed out // // flags for IDN enable/disable via INTERNET_OPTION_IDN // #define INTERNET_FLAG_IDN_DIRECT 0x00000001 // IDN enabled for direct connections #define INTERNET_FLAG_IDN_PROXY 0x00000002 // IDN enabled for proxy // // flags common to open functions (not InternetOpen()): // #define INTERNET_FLAG_RELOAD 0x80000000 // retrieve the original item // // flags for InternetOpenUrl(): // #define INTERNET_FLAG_RAW_DATA 0x40000000 // FTP/gopher find: receive the item as raw (structured) data #define INTERNET_FLAG_EXISTING_CONNECT 0x20000000 // FTP: use existing InternetConnect handle for server if possible // // flags for InternetOpen(): // #define INTERNET_FLAG_ASYNC 0x10000000 // this request is asynchronous (where supported) // // protocol-specific flags: // #define INTERNET_FLAG_PASSIVE 0x08000000 // used for FTP connections // // additional cache flags // #define INTERNET_FLAG_NO_CACHE_WRITE 0x04000000 // don't write this item to the cache #define INTERNET_FLAG_DONT_CACHE INTERNET_FLAG_NO_CACHE_WRITE #define INTERNET_FLAG_MAKE_PERSISTENT 0x02000000 // make this item persistent in cache #define INTERNET_FLAG_FROM_CACHE 0x01000000 // use offline semantics #define INTERNET_FLAG_OFFLINE INTERNET_FLAG_FROM_CACHE // // additional flags // #define INTERNET_FLAG_SECURE 0x00800000 // use PCT/SSL if applicable (HTTP) #define INTERNET_FLAG_KEEP_CONNECTION 0x00400000 // use keep-alive semantics #define INTERNET_FLAG_NO_AUTO_REDIRECT 0x00200000 // don't handle redirections automatically #define INTERNET_FLAG_READ_PREFETCH 0x00100000 // do background read prefetch #define INTERNET_FLAG_NO_COOKIES 0x00080000 // no automatic cookie handling #define INTERNET_FLAG_NO_AUTH 0x00040000 // no automatic authentication handling #define INTERNET_FLAG_RESTRICTED_ZONE 0x00020000 // apply restricted zone policies for cookies, auth #define INTERNET_FLAG_CACHE_IF_NET_FAIL 0x00010000 // return cache file if net request fails // // Security Ignore Flags, Allow HttpOpenRequest to overide // Secure Channel (SSL/PCT) failures of the following types. // #define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP 0x00008000 // ex: https:// to http:// #define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS 0x00004000 // ex: http:// to https:// #define INTERNET_FLAG_IGNORE_CERT_DATE_INVALID 0x00002000 // expired X509 Cert. #define INTERNET_FLAG_IGNORE_CERT_CN_INVALID 0x00001000 // bad common name in X509 Cert. // // more caching flags // #define INTERNET_FLAG_RESYNCHRONIZE 0x00000800 // asking wininet to update an item if it is newer #define INTERNET_FLAG_HYPERLINK 0x00000400 // asking wininet to do hyperlinking semantic which works right for scripts #define INTERNET_FLAG_NO_UI 0x00000200 // no cookie popup #define INTERNET_FLAG_PRAGMA_NOCACHE 0x00000100 // asking wininet to add "pragma: no-cache" #define INTERNET_FLAG_CACHE_ASYNC 0x00000080 // ok to perform lazy cache-write #define INTERNET_FLAG_FORMS_SUBMIT 0x00000040 // this is a forms submit #define INTERNET_FLAG_FWD_BACK 0x00000020 // fwd-back button op #define INTERNET_FLAG_NEED_FILE 0x00000010 // need a file for this request #define INTERNET_FLAG_MUST_CACHE_REQUEST INTERNET_FLAG_NEED_FILE // // flags for FTP // #define INTERNET_FLAG_TRANSFER_ASCII FTP_TRANSFER_TYPE_ASCII // 0x00000001 #define INTERNET_FLAG_TRANSFER_BINARY FTP_TRANSFER_TYPE_BINARY // 0x00000002 // // flags field masks // #define SECURITY_INTERNET_MASK (INTERNET_FLAG_IGNORE_CERT_CN_INVALID | \ INTERNET_FLAG_IGNORE_CERT_DATE_INVALID | \ INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS | \ INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP ) #define SECURITY_IGNORE_ERROR_MASK (INTERNET_FLAG_IGNORE_CERT_CN_INVALID | \ INTERNET_FLAG_IGNORE_CERT_DATE_INVALID | \ S