mirror of
https://github.com/go-gitea/gitea
synced 2024-12-25 01:34:42 +01:00
39 lines
1 KiB
Go
39 lines
1 KiB
Go
|
// +build windows
|
||
|
|
|
||
|
|
package xid
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"syscall"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
func readPlatformMachineID() (string, error) {
|
||
|
|
// source: https://github.com/shirou/gopsutil/blob/master/host/host_syscall.go
|
||
|
|
var h syscall.Handle
|
||
|
|
err := syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(`SOFTWARE\Microsoft\Cryptography`), 0, syscall.KEY_READ|syscall.KEY_WOW64_64KEY, &h)
|
||
|
|
if err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
defer syscall.RegCloseKey(h)
|
||
|
|
|
||
|
|
const syscallRegBufLen = 74 // len(`{`) + len(`abcdefgh-1234-456789012-123345456671` * 2) + len(`}`) // 2 == bytes/UTF16
|
||
|
|
const uuidLen = 36
|
||
|
|
|
||
|
|
var regBuf [syscallRegBufLen]uint16
|
||
|
|
bufLen := uint32(syscallRegBufLen)
|
||
|
|
var valType uint32
|
||
|
|
err = syscall.RegQueryValueEx(h, syscall.StringToUTF16Ptr(`MachineGuid`), nil, &valType, (*byte)(unsafe.Pointer(®Buf[0])), &bufLen)
|
||
|
|
if err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
|
||
|
|
hostID := syscall.UTF16ToString(regBuf[:])
|
||
|
|
hostIDLen := len(hostID)
|
||
|
|
if hostIDLen != uuidLen {
|
||
|
|
return "", fmt.Errorf("HostID incorrect: %q\n", hostID)
|
||
|
|
}
|
||
|
|
|
||
|
|
return hostID, nil
|
||
|
|
}
|