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Diffstat (limited to 'Utilities/cmcurl/lib/version_win32.c')
| -rw-r--r-- | Utilities/cmcurl/lib/version_win32.c | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/version_win32.c b/Utilities/cmcurl/lib/version_win32.c new file mode 100644 index 0000000000..872d5b4f3c --- /dev/null +++ b/Utilities/cmcurl/lib/version_win32.c @@ -0,0 +1,319 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 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. + * + * SPDX-License-Identifier: curl + * + ***************************************************************************/ + +#include "curl_setup.h" + +#if defined(WIN32) + +#include <curl/curl.h> +#include "version_win32.h" +#include "warnless.h" + +/* The last #include files should be: */ +#include "curl_memory.h" +#include "memdebug.h" + +/* This Unicode version struct works for VerifyVersionInfoW (OSVERSIONINFOEXW) + and RtlVerifyVersionInfo (RTLOSVERSIONINFOEXW) */ +struct OUR_OSVERSIONINFOEXW { + ULONG dwOSVersionInfoSize; + ULONG dwMajorVersion; + ULONG dwMinorVersion; + ULONG dwBuildNumber; + ULONG dwPlatformId; + WCHAR szCSDVersion[128]; + USHORT wServicePackMajor; + USHORT wServicePackMinor; + USHORT wSuiteMask; + UCHAR wProductType; + UCHAR wReserved; +}; + +/* + * 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. + * buildVersion [in] - The build version number. If 0, this parameter is + * ignored. + * 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 unsigned int buildVersion, + const PlatformIdentifier platform, + const VersionCondition condition) +{ + bool matched = FALSE; + +#if defined(CURL_WINDOWS_APP) + (void)buildVersion; + + /* 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) || + (buildVersion != 0 && + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion == minorVersion && + osver.dwBuildNumber < buildVersion))) + matched = TRUE; + break; + + case VERSION_LESS_THAN_EQUAL: + if(osver.dwMajorVersion < majorVersion || + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion < minorVersion) || + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion == minorVersion && + (buildVersion == 0 || + osver.dwBuildNumber <= buildVersion))) + matched = TRUE; + break; + + case VERSION_EQUAL: + if(osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion == minorVersion && + (buildVersion == 0 || + osver.dwBuildNumber == buildVersion)) + matched = TRUE; + break; + + case VERSION_GREATER_THAN_EQUAL: + if(osver.dwMajorVersion > majorVersion || + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion > minorVersion) || + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion == minorVersion && + (buildVersion == 0 || + osver.dwBuildNumber >= buildVersion))) + matched = TRUE; + break; + + case VERSION_GREATER_THAN: + if(osver.dwMajorVersion > majorVersion || + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion > minorVersion) || + (buildVersion != 0 && + (osver.dwMajorVersion == majorVersion && + osver.dwMinorVersion == minorVersion && + osver.dwBuildNumber > buildVersion))) + 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; + break; + + default: /* like platform == PLATFORM_DONT_CARE */ + break; + } + } + } +#else + ULONGLONG cm = 0; + struct OUR_OSVERSIONINFOEXW osver; + BYTE majorCondition; + BYTE minorCondition; + BYTE buildCondition; + BYTE spMajorCondition; + BYTE spMinorCondition; + DWORD dwTypeMask = VER_MAJORVERSION | VER_MINORVERSION | + VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR; + + typedef LONG (APIENTRY *RTLVERIFYVERSIONINFO_FN) + (struct OUR_OSVERSIONINFOEXW *, ULONG, ULONGLONG); + static RTLVERIFYVERSIONINFO_FN pRtlVerifyVersionInfo; + static bool onetime = true; /* safe because first call is during init */ + + if(onetime) { + pRtlVerifyVersionInfo = CURLX_FUNCTION_CAST(RTLVERIFYVERSIONINFO_FN, + (GetProcAddress(GetModuleHandleA("ntdll"), "RtlVerifyVersionInfo"))); + onetime = false; + } + + switch(condition) { + case VERSION_LESS_THAN: + majorCondition = VER_LESS; + minorCondition = VER_LESS; + buildCondition = VER_LESS; + spMajorCondition = VER_LESS_EQUAL; + spMinorCondition = VER_LESS_EQUAL; + break; + + case VERSION_LESS_THAN_EQUAL: + majorCondition = VER_LESS_EQUAL; + minorCondition = VER_LESS_EQUAL; + buildCondition = VER_LESS_EQUAL; + spMajorCondition = VER_LESS_EQUAL; + spMinorCondition = VER_LESS_EQUAL; + break; + + case VERSION_EQUAL: + majorCondition = VER_EQUAL; + minorCondition = VER_EQUAL; + buildCondition = VER_EQUAL; + spMajorCondition = VER_GREATER_EQUAL; + spMinorCondition = VER_GREATER_EQUAL; + break; + + case VERSION_GREATER_THAN_EQUAL: + majorCondition = VER_GREATER_EQUAL; + minorCondition = VER_GREATER_EQUAL; + buildCondition = VER_GREATER_EQUAL; + spMajorCondition = VER_GREATER_EQUAL; + spMinorCondition = VER_GREATER_EQUAL; + break; + + case VERSION_GREATER_THAN: + majorCondition = VER_GREATER; + minorCondition = VER_GREATER; + buildCondition = 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; + osver.dwBuildNumber = buildVersion; + 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); + dwTypeMask |= VER_PLATFORMID; + } + + /* Later versions of Windows have version functions that may not return the + real version of Windows unless the application is so manifested. We prefer + the real version always, so we use the Rtl variant of the function when + possible. Note though the function signatures have underlying fundamental + types that are the same, the return values are different. */ + if(pRtlVerifyVersionInfo) + matched = !pRtlVerifyVersionInfo(&osver, dwTypeMask, cm); + else + matched = !!VerifyVersionInfoW((OSVERSIONINFOEXW *)&osver, dwTypeMask, cm); + + /* Compare the build number separately. VerifyVersionInfo normally compares + major.minor in hierarchical order (eg 1.9 is less than 2.0) but does not + do the same for build (eg 1.9 build 222 is not less than 2.0 build 111). + Build comparison is only needed when build numbers are equal (eg 1.9 is + always less than 2.0 so build comparison is not needed). */ + if(matched && buildVersion && + (condition == VERSION_EQUAL || + ((condition == VERSION_GREATER_THAN_EQUAL || + condition == VERSION_LESS_THAN_EQUAL) && + curlx_verify_windows_version(majorVersion, minorVersion, 0, + platform, VERSION_EQUAL)))) { + + cm = VerSetConditionMask(0, VER_BUILDNUMBER, buildCondition); + dwTypeMask = VER_BUILDNUMBER; + if(pRtlVerifyVersionInfo) + matched = !pRtlVerifyVersionInfo(&osver, dwTypeMask, cm); + else + matched = !!VerifyVersionInfoW((OSVERSIONINFOEXW *)&osver, + dwTypeMask, cm); + } + +#endif + + return matched; +} + +#endif /* WIN32 */ |