1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// +build windows
package kernel
import (
"fmt"
"unsafe"
"golang.org/x/sys/windows"
)
// VersionInfo holds information about the kernel.
type VersionInfo struct {
kvi string // Version of the kernel (e.g. 6.1.7601.17592 -> 6)
major int // Major part of the kernel version (e.g. 6.1.7601.17592 -> 1)
minor int // Minor part of the kernel version (e.g. 6.1.7601.17592 -> 7601)
build int // Build number of the kernel version (e.g. 6.1.7601.17592 -> 17592)
}
func (k *VersionInfo) String() string {
return fmt.Sprintf("%d.%d %d (%s)", k.major, k.minor, k.build, k.kvi)
}
// GetKernelVersion gets the current kernel version.
func GetKernelVersion() (*VersionInfo, error) {
var (
h windows.Handle
dwVersion uint32
err error
)
KVI := &VersionInfo{"Unknown", 0, 0, 0}
if err = windows.RegOpenKeyEx(windows.HKEY_LOCAL_MACHINE,
windows.StringToUTF16Ptr(`SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\`),
0,
windows.KEY_READ,
&h); err != nil {
return KVI, err
}
defer windows.RegCloseKey(h)
var buf [1 << 10]uint16
var typ uint32
n := uint32(len(buf) * 2) // api expects array of bytes, not uint16
if err = windows.RegQueryValueEx(h,
windows.StringToUTF16Ptr("BuildLabEx"),
nil,
&typ,
(*byte)(unsafe.Pointer(&buf[0])),
&n); err != nil {
return KVI, err
}
KVI.kvi = windows.UTF16ToString(buf[:])
// Important - docker.exe MUST be manifested for this API to return
// the correct information.
if dwVersion, err = windows.GetVersion(); err != nil {
return KVI, err
}
KVI.major = int(dwVersion & 0xFF)
KVI.minor = int((dwVersion & 0xFF00) >> 8)
KVI.build = int((dwVersion & 0xFFFF0000) >> 16)
return KVI, nil
}
|
