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