mirror of
https://github.com/kovidgoyal/kitty.git
synced 2024-09-20 11:07:38 +03:00
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
|
|
|
|
package utils
|
|
|
|
import (
|
|
"fmt"
|
|
"runtime"
|
|
"strings"
|
|
|
|
"github.com/seancfoley/ipaddress-go/ipaddr"
|
|
)
|
|
|
|
func Cut(s string, sep string) (string, string, bool) {
|
|
if i := strings.Index(s, sep); i >= 0 {
|
|
return s[:i], s[i+len(sep):], true
|
|
}
|
|
return s, "", false
|
|
}
|
|
|
|
func ParseSocketAddress(spec string) (network string, addr string, err error) {
|
|
network, addr, found := 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
|
|
}
|
|
err = fmt.Errorf("Unknown network type: %#v in socket address: %s", network, spec)
|
|
return
|
|
}
|