76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
// Copyright (c) 2020 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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// Package paths returns platform and user-specific default paths to
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// Tailscale files and directories.
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package paths
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import (
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"os"
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"path/filepath"
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"runtime"
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"sync/atomic"
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"tailscale.com/version/distro"
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)
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// AppSharedDir is a string set by the iOS or Android app on start
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// containing a directory we can read/write in.
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var AppSharedDir atomic.Value
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// DefaultTailscaledSocket returns the path to the tailscaled Unix socket
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// or the empty string if there's no reasonable default.
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func DefaultTailscaledSocket() string {
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if runtime.GOOS == "windows" {
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return ""
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}
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if runtime.GOOS == "darwin" {
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return "/var/run/tailscaled.socket"
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}
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switch distro.Get() {
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case distro.Synology:
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// TODO(maisem): be smarter about this. We can parse /etc/VERSION.
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const dsm6Sock = "/var/packages/Tailscale/etc/tailscaled.sock"
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const dsm7Sock = "/var/packages/Tailscale/var/tailscaled.sock"
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if fi, err := os.Stat(dsm6Sock); err == nil && !fi.IsDir() {
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return dsm6Sock
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}
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if fi, err := os.Stat(dsm7Sock); err == nil && !fi.IsDir() {
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return dsm7Sock
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}
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case distro.Gokrazy:
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return "/perm/tailscaled/tailscaled.sock"
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}
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if fi, err := os.Stat("/var/run"); err == nil && fi.IsDir() {
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return "/var/run/tailscale/tailscaled.sock"
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}
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return "tailscaled.sock"
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}
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var stateFileFunc func() string
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// DefaultTailscaledStateFile returns the default path to the
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// tailscaled state file, or the empty string if there's no reasonable
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// default value.
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func DefaultTailscaledStateFile() string {
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if f := stateFileFunc; f != nil {
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return f()
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}
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if runtime.GOOS == "windows" {
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return filepath.Join(os.Getenv("ProgramData"), "Tailscale", "server-state.conf")
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}
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return ""
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}
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// MkStateDir ensures that dirPath, the daemon's configurtaion directory
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// containing machine keys etc, both exists and has the correct permissions.
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// We want it to only be accessible to the user the daemon is running under.
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func MkStateDir(dirPath string) error {
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if err := os.MkdirAll(dirPath, 0700); err != nil {
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return err
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}
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return ensureStateDirPerms(dirPath)
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}
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