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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2020 WireGuard LLC. All Rights Reserved.
*/
package ipc
import (
"net"
"golang.org/x/sys/windows"
"golang.zx2c4.com/wireguard/ipc/winpipe"
)
// TODO: replace these with actual standard windows error numbers from the win package
const (
IpcErrorIO = -int64(5)
IpcErrorProtocol = -int64(71)
IpcErrorInvalid = -int64(22)
IpcErrorPortInUse = -int64(98)
)
type UAPIListener struct {
listener net.Listener // unix socket listener
connNew chan net.Conn
connErr chan error
kqueueFd int
keventFd int
}
func (l *UAPIListener) Accept() (net.Conn, error) {
for {
select {
case conn := <-l.connNew:
return conn, nil
case err := <-l.connErr:
return nil, err
}
}
}
func (l *UAPIListener) Close() error {
return l.listener.Close()
}
func (l *UAPIListener) Addr() net.Addr {
return l.listener.Addr()
}
var UAPISecurityDescriptor *windows.SECURITY_DESCRIPTOR
func init() {
var err error
/* SDDL_DEVOBJ_SYS_ALL from the WDK */
UAPISecurityDescriptor, err = windows.SecurityDescriptorFromString("O:SYD:P(A;;GA;;;SY)")
if err != nil {
panic(err)
}
}
func UAPIListen(name string) (net.Listener, error) {
config := winpipe.PipeConfig{
SecurityDescriptor: UAPISecurityDescriptor,
}
listener, err := winpipe.ListenPipe(`\\.\pipe\ProtectedPrefix\Administrators\WireGuard\`+name, &config)
if err != nil {
return nil, err
}
uapi := &UAPIListener{
listener: listener,
connNew: make(chan net.Conn, 1),
connErr: make(chan error, 1),
}
go func(l *UAPIListener) {
for {
conn, err := l.listener.Accept()
if err != nil {
l.connErr <- err
break
}
l.connNew <- conn
}
}(uapi)
return uapi, nil
}
|
