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When an exit node has been set and a new default route is added, create a new rtable in the default rdomain and add the current default route via its physical interface. When control() is requesting a connection not go through the exit-node default route, we can use the SO_RTABLE socket option to force it through the new rtable we created. Updates #17321 Signed-off-by: joshua stein <jcs@jcs.org>
30 lines
633 B
Go
30 lines
633 B
Go
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build freebsd || openbsd
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package routetable
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import "golang.org/x/sys/unix"
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const (
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ribType = unix.NET_RT_DUMP
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parseType = unix.NET_RT_IFLIST
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rmExpectedType = unix.RTM_GET
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// Nothing to skip
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skipFlags = 0
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)
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var flags = map[int]string{
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unix.RTF_BLACKHOLE: "blackhole",
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unix.RTF_BROADCAST: "broadcast",
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unix.RTF_GATEWAY: "gateway",
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unix.RTF_HOST: "host",
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unix.RTF_LOCAL: "local",
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unix.RTF_MULTICAST: "multicast",
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unix.RTF_REJECT: "reject",
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unix.RTF_STATIC: "static",
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unix.RTF_UP: "up",
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}
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