Hein
27 lines
554 B
Go
27 lines
554 B
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
|
|
// Use of this source code is governed by the license
|
|
// that can be found in the LICENSE file.
|
|
package util
|
|
|
|
import (
|
|
"net"
|
|
"net/netip"
|
|
"strings"
|
|
)
|
|
|
|
func IsLoopback(addr string) bool {
|
|
host, _, err := net.SplitHostPort(addr)
|
|
if err != nil {
|
|
// If SplitHostPort fails, it might be just a host without a port.
|
|
host = strings.Trim(addr, "[]")
|
|
}
|
|
if host == "localhost" {
|
|
return true
|
|
}
|
|
ip, err := netip.ParseAddr(host)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
return ip.IsLoopback()
|
|
}
|