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e804ab29fd
Mostly so the Linux one can use Linux-specific stuff in package syscall and not use os/exec for uname for portability. But also it helps deps a tiny bit on iOS. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
28 lines
728 B
Go
28 lines
728 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 darwin && !ios
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// +build darwin,!ios
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package tstun
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import (
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"os"
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"tailscale.com/types/logger"
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)
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func init() {
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tunDiagnoseFailure = diagnoseDarwinTUNFailure
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}
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func diagnoseDarwinTUNFailure(tunName string, logf logger.Logf) {
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if os.Getuid() != 0 {
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logf("failed to create TUN device as non-root user; use 'sudo tailscaled', or run under launchd with 'sudo tailscaled install-system-daemon'")
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}
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if tunName != "utun" {
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logf("failed to create TUN device %q; try using tun device \"utun\" instead for automatic selection", tunName)
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}
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}
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