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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2016 - 2020, Steve Holme, <steve_holme@hotmail.com>.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#if defined(WIN32)
#include <curl/curl.h>
#include "version_win32.h"
/* The last #include files should be: */
#include "curl_memory.h"
#include "memdebug.h"
/*
* curlx_verify_windows_version()
*
* This is used to verify if we are running on a specific windows version.
*
* Parameters:
*
* majorVersion [in] - The major version number.
* minorVersion [in] - The minor version number.
* platform [in] - The optional platform identifier.
* condition [in] - The test condition used to specifier whether we are
* checking a version less then, equal to or greater than
* what is specified in the major and minor version
* numbers.
*
* Returns TRUE if matched; otherwise FALSE.
*/
bool curlx_verify_windows_version(const unsigned int majorVersion,
const unsigned int minorVersion,
const PlatformIdentifier platform,
const VersionCondition condition)
{
bool matched = FALSE;
#if defined(CURL_WINDOWS_APP)
/* We have no way to determine the Windows version from Windows apps,
so let's assume we're running on the target Windows version. */
const WORD fullVersion = MAKEWORD(minorVersion, majorVersion);
const WORD targetVersion = (WORD)_WIN32_WINNT;
switch(condition) {
case VERSION_LESS_THAN:
matched = targetVersion < fullVersion;
break;
case VERSION_LESS_THAN_EQUAL:
matched = targetVersion <= fullVersion;
break;
case VERSION_EQUAL:
matched = targetVersion == fullVersion;
break;
case VERSION_GREATER_THAN_EQUAL:
matched = targetVersion >= fullVersion;
break;
case VERSION_GREATER_THAN:
matched = targetVersion > fullVersion;
break;
}
if(matched && (platform == PLATFORM_WINDOWS)) {
/* we're always running on PLATFORM_WINNT */
matched = FALSE;
}
#elif !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
(_WIN32_WINNT < _WIN32_WINNT_WIN2K)
OSVERSIONINFO osver;
memset(&osver, 0, sizeof(osver));
osver.dwOSVersionInfoSize = sizeof(osver);
/* Find out Windows version */
if(GetVersionEx(&osver)) {
/* Verify the Operating System version number */
switch(condition) {
case VERSION_LESS_THAN:
if(osver.dwMajorVersion < majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion < minorVersion))
matched = TRUE;
break;
case VERSION_LESS_THAN_EQUAL:
if(osver.dwMajorVersion < majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion <= minorVersion))
matched = TRUE;
break;
case VERSION_EQUAL:
if(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion == minorVersion)
matched = TRUE;
break;
case VERSION_GREATER_THAN_EQUAL:
if(osver.dwMajorVersion > majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion >= minorVersion))
matched = TRUE;
break;
case VERSION_GREATER_THAN:
if(osver.dwMajorVersion > majorVersion ||
(osver.dwMajorVersion == majorVersion &&
osver.dwMinorVersion > minorVersion))
matched = TRUE;
break;
}
/* Verify the platform identifier (if necessary) */
if(matched) {
switch(platform) {
case PLATFORM_WINDOWS:
if(osver.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS)
matched = FALSE;
break;
case PLATFORM_WINNT:
if(osver.dwPlatformId != VER_PLATFORM_WIN32_NT)
matched = FALSE;
default: /* like platform == PLATFORM_DONT_CARE */
break;
}
}
}
#else
ULONGLONG cm = 0;
OSVERSIONINFOEX osver;
BYTE majorCondition;
BYTE minorCondition;
BYTE spMajorCondition;
BYTE spMinorCondition;
switch(condition) {
case VERSION_LESS_THAN:
majorCondition = VER_LESS;
minorCondition = VER_LESS;
spMajorCondition = VER_LESS_EQUAL;
spMinorCondition = VER_LESS_EQUAL;
break;
case VERSION_LESS_THAN_EQUAL:
majorCondition = VER_LESS_EQUAL;
minorCondition = VER_LESS_EQUAL;
spMajorCondition = VER_LESS_EQUAL;
spMinorCondition = VER_LESS_EQUAL;
break;
case VERSION_EQUAL:
majorCondition = VER_EQUAL;
minorCondition = VER_EQUAL;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
case VERSION_GREATER_THAN_EQUAL:
majorCondition = VER_GREATER_EQUAL;
minorCondition = VER_GREATER_EQUAL;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
case VERSION_GREATER_THAN:
majorCondition = VER_GREATER;
minorCondition = VER_GREATER;
spMajorCondition = VER_GREATER_EQUAL;
spMinorCondition = VER_GREATER_EQUAL;
break;
default:
return FALSE;
}
memset(&osver, 0, sizeof(osver));
osver.dwOSVersionInfoSize = sizeof(osver);
osver.dwMajorVersion = majorVersion;
osver.dwMinorVersion = minorVersion;
if(platform == PLATFORM_WINDOWS)
osver.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
else if(platform == PLATFORM_WINNT)
osver.dwPlatformId = VER_PLATFORM_WIN32_NT;
cm = VerSetConditionMask(cm, VER_MAJORVERSION, majorCondition);
cm = VerSetConditionMask(cm, VER_MINORVERSION, minorCondition);
cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, spMajorCondition);
cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, spMinorCondition);
if(platform != PLATFORM_DONT_CARE)
cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR),
cm))
matched = TRUE;
#endif
return matched;
}
#endif /* WIN32 */
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