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7eaf5e509f
Updates #5162 Change-Id: Id7bdec303b25471f69d542f8ce43805328d56c12 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
34 lines
911 B
Go
34 lines
911 B
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build ts_macext && (darwin || ios)
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// +build ts_macext
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// +build 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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"tailscale.com/net/interfaces"
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"tailscale.com/net/netaddr"
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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 netaddr.IP, st *interfaces.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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