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
|
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
package utils
import (
"fmt"
"runtime"
"strconv"
"strings"
"github.com/seancfoley/ipaddress-go/ipaddr"
)
func ParseSocketAddress(spec string) (network string, addr string, err error) {
network, addr, found := strings.Cut(spec, ":")
if !found {
err = fmt.Errorf("Invalid socket address: %s must be prefix by a protocol such as unix:", spec)
return
}
if network == "unix" {
if strings.HasPrefix(addr, "@") && runtime.GOOS != "linux" {
err = fmt.Errorf("Abstract UNIX sockets are only supported on Linux. Cannot use: %s", spec)
}
return
}
if network == "tcp" || network == "tcp6" || network == "tcp4" {
host := ipaddr.NewHostName(addr)
if host.IsAddress() {
network = "ip"
}
return
}
if network == "ip" || network == "ip6" || network == "ip4" {
host := ipaddr.NewHostName(addr)
if !host.IsAddress() {
err = fmt.Errorf("Not a valid IP address: %#v. Cannot use: %s", addr, spec)
}
return
}
if network == "fd" {
fd := -1
if fd, err = strconv.Atoi(addr); err != nil || fd < 0 {
err = fmt.Errorf("Not a valid file descriptor number: %#v. Cannot use: %s", addr, spec)
}
return
}
err = fmt.Errorf("Unknown network type: %#v in socket address: %s", network, spec)
return
}
|
