tailscale/ipn/ipnlocal/peerapi_macios_ext.go

31 lines
765 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build ts_macext && (darwin || ios)
package ipnlocal
import (
"fmt"
"net"
"net/netip"
"tailscale.com/net/interfaces"
"tailscale.com/net/netns"
)
func init() {
initListenConfig = initListenConfigNetworkExtension
}
// initListenConfigNetworkExtension configures nc for listening on IP
// through the iOS/macOS Network/System Extension (Packet Tunnel
// Provider) sandbox.
func initListenConfigNetworkExtension(nc *net.ListenConfig, ip netip.Addr, st *interfaces.State, tunIfName string) error {
tunIf, ok := st.Interface[tunIfName]
if !ok {
return fmt.Errorf("no interface with name %q", tunIfName)
}
return netns.SetListenConfigInterfaceIndex(nc, tunIf.Index)
}