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329 lines
10 KiB
329 lines
10 KiB
/*************************************************************************** |
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* _ _ ____ _ |
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* Project ___| | | | _ \| | |
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* / __| | | | |_) | | |
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* | (__| |_| | _ <| |___ |
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* \___|\___/|_| \_\_____| |
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* |
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* Copyright (C) 2016, Steve Holme, <steve_holme@hotmail.com>. |
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* |
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* This software is licensed as described in the file COPYING, which |
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* you should have received as part of this distribution. The terms |
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* are also available at https://curl.haxx.se/docs/copyright.html. |
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* |
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell |
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* copies of the Software, and permit persons to whom the Software is |
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* furnished to do so, under the terms of the COPYING file. |
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* |
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
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* KIND, either express or implied. |
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* |
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***************************************************************************/ |
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#include "curl_setup.h" |
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#if defined(WIN32) |
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#include <curl/curl.h> |
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#include "system_win32.h" |
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/* The last #include files should be: */ |
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#include "curl_memory.h" |
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#include "memdebug.h" |
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#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \ |
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defined(USE_WINSOCK)) |
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#if !defined(LOAD_WITH_ALTERED_SEARCH_PATH) |
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#define LOAD_WITH_ALTERED_SEARCH_PATH 0x00000008 |
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#endif |
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#if !defined(LOAD_LIBRARY_SEARCH_SYSTEM32) |
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#define LOAD_LIBRARY_SEARCH_SYSTEM32 0x00000800 |
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#endif |
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/* We use our own typedef here since some headers might lack these */ |
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typedef HMODULE (APIENTRY *LOADLIBRARYEX_FN)(LPCTSTR, HANDLE, DWORD); |
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/* See function definitions in winbase.h */ |
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#ifdef UNICODE |
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# ifdef _WIN32_WCE |
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# define LOADLIBARYEX L"LoadLibraryExW" |
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# else |
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# define LOADLIBARYEX "LoadLibraryExW" |
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# endif |
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#else |
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# define LOADLIBARYEX "LoadLibraryExA" |
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#endif |
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#endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */ |
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/* |
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* Curl_verify_windows_version() |
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* |
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* This is used to verify if we are running on a specific windows version. |
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* |
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* Parameters: |
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* |
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* majorVersion [in] - The major version number. |
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* minorVersion [in] - The minor version number. |
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* platform [in] - The optional platform identifer. |
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* condition [in] - The test condition used to specifier whether we are |
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* checking a version less then, equal to or greater than |
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* what is specified in the major and minor version |
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* numbers. |
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* |
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* Returns TRUE if matched; otherwise FALSE. |
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*/ |
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bool Curl_verify_windows_version(const unsigned int majorVersion, |
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const unsigned int minorVersion, |
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const PlatformIdentifier platform, |
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const VersionCondition condition) |
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{ |
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bool matched = FALSE; |
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#if defined(CURL_WINDOWS_APP) |
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/* We have no way to determine the Windows version from Windows apps, |
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so let's assume we're running on the target Windows version. */ |
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const WORD fullVersion = MAKEWORD(minorVersion, majorVersion); |
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const WORD targetVersion = (WORD)_WIN32_WINNT; |
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switch(condition) { |
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case VERSION_LESS_THAN: |
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matched = targetVersion < fullVersion; |
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break; |
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case VERSION_LESS_THAN_EQUAL: |
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matched = targetVersion <= fullVersion; |
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break; |
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case VERSION_EQUAL: |
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matched = targetVersion == fullVersion; |
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break; |
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case VERSION_GREATER_THAN_EQUAL: |
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matched = targetVersion >= fullVersion; |
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break; |
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case VERSION_GREATER_THAN: |
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matched = targetVersion > fullVersion; |
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break; |
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} |
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if(matched && (platform == PLATFORM_WINDOWS)) { |
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/* we're always running on PLATFORM_WINNT */ |
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matched = FALSE; |
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} |
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#elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \ |
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(_WIN32_WINNT < _WIN32_WINNT_WIN2K) |
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OSVERSIONINFO osver; |
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memset(&osver, 0, sizeof(osver)); |
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osver.dwOSVersionInfoSize = sizeof(osver); |
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/* Find out Windows version */ |
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if(GetVersionEx(&osver)) { |
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/* Verify the Operating System version number */ |
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switch(condition) { |
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case VERSION_LESS_THAN: |
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if(osver.dwMajorVersion < majorVersion || |
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(osver.dwMajorVersion == majorVersion && |
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osver.dwMinorVersion < minorVersion)) |
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matched = TRUE; |
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break; |
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case VERSION_LESS_THAN_EQUAL: |
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if(osver.dwMajorVersion <= majorVersion && |
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osver.dwMinorVersion <= minorVersion) |
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matched = TRUE; |
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break; |
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case VERSION_EQUAL: |
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if(osver.dwMajorVersion == majorVersion && |
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osver.dwMinorVersion == minorVersion) |
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matched = TRUE; |
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break; |
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case VERSION_GREATER_THAN_EQUAL: |
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if(osver.dwMajorVersion >= majorVersion && |
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osver.dwMinorVersion >= minorVersion) |
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matched = TRUE; |
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break; |
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case VERSION_GREATER_THAN: |
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if(osver.dwMajorVersion > majorVersion || |
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(osver.dwMajorVersion == majorVersion && |
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osver.dwMinorVersion > minorVersion)) |
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matched = TRUE; |
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break; |
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} |
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/* Verify the platform identifier (if necessary) */ |
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if(matched) { |
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switch(platform) { |
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case PLATFORM_WINDOWS: |
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if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS) |
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matched = FALSE; |
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break; |
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case PLATFORM_WINNT: |
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if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT) |
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matched = FALSE; |
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default: /* like platform == PLATFORM_DONT_CARE */ |
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break; |
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} |
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} |
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} |
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#else |
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ULONGLONG cm = 0; |
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OSVERSIONINFOEX osver; |
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BYTE majorCondition; |
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BYTE minorCondition; |
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BYTE spMajorCondition; |
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BYTE spMinorCondition; |
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switch(condition) { |
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case VERSION_LESS_THAN: |
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majorCondition = VER_LESS; |
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minorCondition = VER_LESS; |
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spMajorCondition = VER_LESS_EQUAL; |
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spMinorCondition = VER_LESS_EQUAL; |
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break; |
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case VERSION_LESS_THAN_EQUAL: |
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majorCondition = VER_LESS_EQUAL; |
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minorCondition = VER_LESS_EQUAL; |
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spMajorCondition = VER_LESS_EQUAL; |
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spMinorCondition = VER_LESS_EQUAL; |
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break; |
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case VERSION_EQUAL: |
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majorCondition = VER_EQUAL; |
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minorCondition = VER_EQUAL; |
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spMajorCondition = VER_GREATER_EQUAL; |
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spMinorCondition = VER_GREATER_EQUAL; |
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break; |
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case VERSION_GREATER_THAN_EQUAL: |
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majorCondition = VER_GREATER_EQUAL; |
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minorCondition = VER_GREATER_EQUAL; |
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spMajorCondition = VER_GREATER_EQUAL; |
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spMinorCondition = VER_GREATER_EQUAL; |
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break; |
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case VERSION_GREATER_THAN: |
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majorCondition = VER_GREATER; |
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minorCondition = VER_GREATER; |
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spMajorCondition = VER_GREATER_EQUAL; |
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spMinorCondition = VER_GREATER_EQUAL; |
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break; |
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default: |
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return FALSE; |
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} |
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memset(&osver, 0, sizeof(osver)); |
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osver.dwOSVersionInfoSize = sizeof(osver); |
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osver.dwMajorVersion = majorVersion; |
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osver.dwMinorVersion = minorVersion; |
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if(platform == PLATFORM_WINDOWS) |
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osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS; |
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else if(platform == PLATFORM_WINNT) |
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osver.dwPlatformId = VER_PLATFORM_WIN32_NT; |
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cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition); |
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cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition); |
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cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition); |
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cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition); |
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if(platform != PLATFORM_DONT_CARE) |
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cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL); |
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if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION | |
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VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR), |
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cm)) |
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matched = TRUE; |
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#endif |
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return matched; |
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} |
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#if defined(USE_WINDOWS_SSPI) || (!defined(CURL_DISABLE_TELNET) && \ |
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defined(USE_WINSOCK)) |
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/* |
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* Curl_load_library() |
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* |
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* This is used to dynamically load DLLs using the most secure method available |
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* for the version of Windows that we are running on. |
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* |
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* Parameters: |
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* |
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* filename [in] - The filename or full path of the DLL to load. If only the |
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* filename is passed then the DLL will be loaded from the |
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* Windows system directory. |
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* |
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* Returns the handle of the module on success; otherwise NULL. |
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*/ |
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HMODULE Curl_load_library(LPCTSTR filename) |
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{ |
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HMODULE hModule = NULL; |
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LOADLIBRARYEX_FN pLoadLibraryEx = NULL; |
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/* Get a handle to kernel32 so we can access it's functions at runtime */ |
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HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32")); |
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if(!hKernel32) |
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return NULL; |
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/* Attempt to find LoadLibraryEx() which is only available on Windows 2000 |
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and above */ |
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pLoadLibraryEx = (LOADLIBRARYEX_FN) GetProcAddress(hKernel32, LOADLIBARYEX); |
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/* Detect if there's already a path in the filename and load the library if |
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there is. Note: Both back slashes and forward slashes have been supported |
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since the earlier days of DOS at an API level although they are not |
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supported by command prompt */ |
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if(_tcspbrk(filename, TEXT("\\/"))) { |
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/** !checksrc! disable BANNEDFUNC 1 **/ |
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hModule = pLoadLibraryEx ? |
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pLoadLibraryEx(filename, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) : |
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LoadLibrary(filename); |
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} |
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/* Detect if KB2533623 is installed, as LOAD_LIBARY_SEARCH_SYSTEM32 is only |
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supported on Windows Vista, Windows Server 2008, Windows 7 and Windows |
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Server 2008 R2 with this patch or natively on Windows 8 and above */ |
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else if(pLoadLibraryEx && GetProcAddress(hKernel32, "AddDllDirectory")) { |
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/* Load the DLL from the Windows system directory */ |
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hModule = pLoadLibraryEx(filename, NULL, LOAD_LIBRARY_SEARCH_SYSTEM32); |
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} |
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else { |
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/* Attempt to get the Windows system path */ |
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UINT systemdirlen = GetSystemDirectory(NULL, 0); |
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if(systemdirlen) { |
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/* Allocate space for the full DLL path (Room for the null terminator |
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is included in systemdirlen) */ |
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size_t filenamelen = _tcslen(filename); |
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TCHAR *path = malloc(sizeof(TCHAR) * (systemdirlen + 1 + filenamelen)); |
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if(path && GetSystemDirectory(path, systemdirlen)) { |
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/* Calculate the full DLL path */ |
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_tcscpy(path + _tcslen(path), TEXT("\\")); |
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_tcscpy(path + _tcslen(path), filename); |
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/* Load the DLL from the Windows system directory */ |
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/** !checksrc! disable BANNEDFUNC 1 **/ |
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hModule = pLoadLibraryEx ? |
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pLoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH) : |
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LoadLibrary(path); |
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} |
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free(path); |
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} |
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} |
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return hModule; |
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} |
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#endif /* USE_WINDOWS_SSPI || (!CURL_DISABLE_TELNET && USE_WINSOCK) */ |
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#endif /* WIN32 */
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