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103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
//go:build windows
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package w32
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import (
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"fmt"
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"golang.org/x/sys/windows"
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"golang.org/x/sys/windows/registry"
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"strconv"
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"syscall"
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"unsafe"
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)
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var (
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modwingdi = syscall.NewLazyDLL("gdi32.dll")
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procCreateSolidBrush = modwingdi.NewProc("CreateSolidBrush")
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)
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var (
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kernel32 = syscall.NewLazyDLL("kernel32")
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kernelGlobalAlloc = kernel32.NewProc("GlobalAlloc")
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kernelGlobalFree = kernel32.NewProc("GlobalFree")
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kernelGlobalLock = kernel32.NewProc("GlobalLock")
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kernelGlobalUnlock = kernel32.NewProc("GlobalUnlock")
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kernelLstrcpy = kernel32.NewProc("lstrcpyW")
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)
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var (
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modBranding = syscall.NewLazyDLL("winbrand.dll")
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brandingFormatString = modBranding.NewProc("BrandingFormatString")
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)
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var windowsVersion, _ = GetWindowsVersionInfo()
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func IsWindowsVersionAtLeast(major, minor, buildNumber int) bool {
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return windowsVersion.Major >= major &&
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windowsVersion.Minor >= minor &&
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windowsVersion.Build >= buildNumber
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}
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type WindowsVersionInfo struct {
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Major int
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Minor int
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Build int
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DisplayVersion string
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}
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func (w *WindowsVersionInfo) String() string {
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return fmt.Sprintf("%d.%d.%d (%s)", w.Major, w.Minor, w.Build, w.DisplayVersion)
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}
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func (w *WindowsVersionInfo) IsWindowsVersionAtLeast(major, minor, buildNumber int) bool {
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return w.Major >= major && w.Minor >= minor && w.Build >= buildNumber
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}
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func GetBranding() string {
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windowsLong := MustStringToUTF16Ptr("%WINDOWS_LONG%\x00")
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ret, _, _ := brandingFormatString.Call(
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uintptr(unsafe.Pointer(windowsLong)),
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)
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return windows.UTF16PtrToString((*uint16)(unsafe.Pointer(ret)))
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}
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func GetWindowsVersionInfo() (*WindowsVersionInfo, error) {
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key, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
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if err != nil {
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return nil, err
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}
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return &WindowsVersionInfo{
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Major: regDWORDKeyAsInt(key, "CurrentMajorVersionNumber"),
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Minor: regDWORDKeyAsInt(key, "CurrentMinorVersionNumber"),
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Build: regStringKeyAsInt(key, "CurrentBuildNumber"),
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DisplayVersion: regKeyAsString(key, "DisplayVersion"),
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}, nil
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}
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func regDWORDKeyAsInt(key registry.Key, name string) int {
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result, _, err := key.GetIntegerValue(name)
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if err != nil {
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return -1
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}
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return int(result)
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}
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func regStringKeyAsInt(key registry.Key, name string) int {
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resultStr, _, err := key.GetStringValue(name)
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if err != nil {
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return -1
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}
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result, err := strconv.Atoi(resultStr)
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if err != nil {
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return -1
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}
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return result
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}
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func regKeyAsString(key registry.Key, name string) string {
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resultStr, _, err := key.GetStringValue(name)
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if err != nil {
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return ""
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}
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return resultStr
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}
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