61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package cli
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import (
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"context"
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"flag"
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"fmt"
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"github.com/peterbourgon/ff/v3/ffcli"
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"tailscale.com/ipn"
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)
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var downCmd = &ffcli.Command{
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Name: "down",
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ShortUsage: "down",
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ShortHelp: "Disconnect from Tailscale",
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Exec: runDown,
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FlagSet: newDownFlagSet(),
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}
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var downArgs struct {
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acceptedRisks string
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}
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func newDownFlagSet() *flag.FlagSet {
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downf := newFlagSet("down")
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registerAcceptRiskFlag(downf, &downArgs.acceptedRisks)
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return downf
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}
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func runDown(ctx context.Context, args []string) error {
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if len(args) > 0 {
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return fmt.Errorf("too many non-flag arguments: %q", args)
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}
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if isSSHOverTailscale() {
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if err := presentRiskToUser(riskLoseSSH, `You are connected over Tailscale; this action will disable Tailscale and result in your session disconnecting.`, downArgs.acceptedRisks); err != nil {
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return err
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}
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}
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st, err := localClient.Status(ctx)
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if err != nil {
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return fmt.Errorf("error fetching current status: %w", err)
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}
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if st.BackendState == "Stopped" {
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fmt.Fprintf(Stderr, "Tailscale was already stopped.\n")
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return nil
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}
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_, err = localClient.EditPrefs(ctx, &ipn.MaskedPrefs{
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Prefs: ipn.Prefs{
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WantRunning: false,
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},
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WantRunningSet: true,
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})
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return err
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}
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