mirror of
https://github.com/juanfont/headscale.git
synced 2025-10-31 16:11:03 +01:00
464 lines
12 KiB
Go
464 lines
12 KiB
Go
package headscale
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import (
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"bytes"
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"html/template"
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"net/http"
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textTemplate "text/template"
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"github.com/gofrs/uuid"
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"github.com/gorilla/mux"
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"github.com/rs/zerolog/log"
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)
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// WindowsConfigMessage shows a simple message in the browser for how to configure the Windows Tailscale client.
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func (h *Headscale) WindowsConfigMessage(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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winTemplate := template.Must(template.New("windows").Parse(`
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<html>
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<body>
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<h1>headscale</h1>
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<h2>Windows registry configuration</h2>
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<p>
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This page provides Windows registry information for the official Windows Tailscale client.
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<p>
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<p>
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The registry file will configure Tailscale to use <code>{{.URL}}</code> as its control server.
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<p>
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<h3>Caution</h3>
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<p>You should always download and inspect the registry file before installing it:</p>
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<pre><code>curl {{.URL}}/windows/tailscale.reg</code></pre>
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<h2>Installation</h2>
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<p>Headscale can be set to the default server by running the registry file:</p>
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<p>
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<a href="/windows/tailscale.reg" download="tailscale.reg">Windows registry file</a>
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</p>
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<ol>
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<li>Download the registry file, then run it</li>
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<li>Follow the prompts</li>
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<li>Install and run the official windows Tailscale client</li>
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<li>When the installation has finished, start Tailscale, and log in by clicking the icon in the system tray</li>
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</ol>
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<p>Or</p>
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<p>Open command prompt with Administrator rights. Issue the following commands to add the required registry entries:</p>
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<pre>
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<code>REG ADD "HKLM\Software\Tailscale IPN" /v UnattendedMode /t REG_SZ /d always
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REG ADD "HKLM\Software\Tailscale IPN" /v LoginURL /t REG_SZ /d "{{.URL}}"</code></pre>
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<p>
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Restart Tailscale and log in.
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<p>
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</body>
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</html>
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`))
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config := map[string]interface{}{
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"URL": h.cfg.ServerURL,
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}
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var payload bytes.Buffer
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if err := winTemplate.Execute(&payload, config); err != nil {
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log.Error().
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Str("handler", "WindowsRegConfig").
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Err(err).
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Msg("Could not render Windows index template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Windows index template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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writer.Header().Set("Content-Type", "text/html; charset=utf-8")
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writer.WriteHeader(http.StatusOK)
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_, err := writer.Write(payload.Bytes())
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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// WindowsRegConfig generates and serves a .reg file configured with the Headscale server address.
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func (h *Headscale) WindowsRegConfig(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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config := WindowsRegistryConfig{
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URL: h.cfg.ServerURL,
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}
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var content bytes.Buffer
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if err := windowsRegTemplate.Execute(&content, config); err != nil {
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log.Error().
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Str("handler", "WindowsRegConfig").
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Err(err).
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Msg("Could not render Apple macOS template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Windows registry template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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writer.Header().Set("Content-Type", "text/x-ms-regedit; charset=utf-8")
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writer.WriteHeader(http.StatusOK)
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_, err := writer.Write(content.Bytes())
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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// AppleConfigMessage shows a simple message in the browser to point the user to the iOS/MacOS profile and instructions for how to install it.
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func (h *Headscale) AppleConfigMessage(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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appleTemplate := template.Must(template.New("apple").Parse(`
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<html>
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<body>
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<h1>headscale</h1>
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<h2>Apple configuration profiles</h2>
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<p>
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This page provides <a href="https://support.apple.com/guide/mdm/mdm-overview-mdmbf9e668/web">configuration profiles</a> for the official Tailscale clients for <a href="https://apps.apple.com/us/app/tailscale/id1470499037?ls=1">iOS</a> and <a href="https://apps.apple.com/ca/app/tailscale/id1475387142?mt=12">macOS</a>.
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</p>
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<p>
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The profiles will configure Tailscale.app to use <code>{{.URL}}</code> as its control server.
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</p>
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<h3>Caution</h3>
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<p>You should always download and inspect the profile before installing it:</p>
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<!--
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<pre><code>curl {{.URL}}/apple/ios</code></pre>
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-->
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<pre><code>curl {{.URL}}/apple/macos</code></pre>
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<h2>Profiles</h2>
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<!--
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<h3>iOS</h3>
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<p>
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<a href="/apple/ios" download="headscale_ios.mobileconfig">iOS profile</a>
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</p>
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-->
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<h3>macOS</h3>
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<p>Headscale can be set to the default server by installing a Headscale configuration profile:</p>
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<p>
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<a href="/apple/macos" download="headscale_macos.mobileconfig">macOS profile</a>
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</p>
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<ol>
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<li>Download the profile, then open it. When it has been opened, there should be a notification that a profile can be installed</li>
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<li>Open System Preferences and go to "Profiles"</li>
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<li>Find and install the Headscale profile</li>
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<li>Restart Tailscale.app and log in</li>
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</ol>
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<p>Or</p>
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<p>Use your terminal to configure the default setting for Tailscale by issuing:</p>
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<code>defaults write io.tailscale.ipn.macos ControlURL {{.URL}}</code>
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<p>Restart Tailscale.app and log in.</p>
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</body>
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</html>`))
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config := map[string]interface{}{
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"URL": h.cfg.ServerURL,
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}
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var payload bytes.Buffer
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if err := appleTemplate.Execute(&payload, config); err != nil {
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log.Error().
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Str("handler", "AppleMobileConfig").
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Err(err).
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Msg("Could not render Apple index template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Apple index template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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writer.Header().Set("Content-Type", "text/html; charset=utf-8")
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writer.WriteHeader(http.StatusOK)
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_, err := writer.Write(payload.Bytes())
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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func (h *Headscale) ApplePlatformConfig(
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writer http.ResponseWriter,
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req *http.Request,
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) {
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vars := mux.Vars(req)
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platform, ok := vars["platform"]
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if !ok {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Msg("No platform specified")
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http.Error(writer, "No platform specified", http.StatusBadRequest)
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return
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}
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id, err := uuid.NewV4()
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if err != nil {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Err(err).
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Msg("Failed not create UUID")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Failed to create UUID"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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contentID, err := uuid.NewV4()
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if err != nil {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Err(err).
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Msg("Failed not create UUID")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Failed to create content UUID"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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platformConfig := AppleMobilePlatformConfig{
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UUID: contentID,
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URL: h.cfg.ServerURL,
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}
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var payload bytes.Buffer
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switch platform {
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case "macos":
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if err := macosTemplate.Execute(&payload, platformConfig); err != nil {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Err(err).
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Msg("Could not render Apple macOS template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Apple macOS template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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case "ios":
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if err := iosTemplate.Execute(&payload, platformConfig); err != nil {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Err(err).
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Msg("Could not render Apple iOS template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Apple iOS template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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default:
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusBadRequest)
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_, err := writer.Write(
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[]byte("Invalid platform, only ios and macos is supported"),
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)
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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config := AppleMobileConfig{
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UUID: id,
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URL: h.cfg.ServerURL,
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Payload: payload.String(),
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}
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var content bytes.Buffer
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if err := commonTemplate.Execute(&content, config); err != nil {
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log.Error().
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Str("handler", "ApplePlatformConfig").
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Err(err).
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Msg("Could not render Apple platform template")
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writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
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writer.WriteHeader(http.StatusInternalServerError)
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_, err := writer.Write([]byte("Could not render Apple platform template"))
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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return
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}
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writer.Header().
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Set("Content-Type", "application/x-apple-aspen-config; charset=utf-8")
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writer.WriteHeader(http.StatusOK)
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_, err = writer.Write(content.Bytes())
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if err != nil {
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log.Error().
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Caller().
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Err(err).
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Msg("Failed to write response")
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}
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}
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type WindowsRegistryConfig struct {
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URL string
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}
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type AppleMobileConfig struct {
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UUID uuid.UUID
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URL string
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Payload string
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}
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type AppleMobilePlatformConfig struct {
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UUID uuid.UUID
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URL string
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}
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var windowsRegTemplate = textTemplate.Must(
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textTemplate.New("windowsconfig").Parse(`Windows Registry Editor Version 5.00
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[HKEY_LOCAL_MACHINE\SOFTWARE\Tailscale IPN]
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"UnattendedMode"="always"
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"LoginURL"="{{.URL}}"
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`))
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var commonTemplate = textTemplate.Must(
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textTemplate.New("mobileconfig").Parse(`<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>PayloadUUID</key>
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<string>{{.UUID}}</string>
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<key>PayloadDisplayName</key>
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<string>Headscale</string>
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<key>PayloadDescription</key>
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<string>Configure Tailscale login server to: {{.URL}}</string>
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<key>PayloadIdentifier</key>
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<string>com.github.juanfont.headscale</string>
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<key>PayloadRemovalDisallowed</key>
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<false/>
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<key>PayloadType</key>
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<string>Configuration</string>
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<key>PayloadVersion</key>
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<integer>1</integer>
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<key>PayloadContent</key>
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<array>
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{{.Payload}}
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</array>
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</dict>
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</plist>`),
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)
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var iosTemplate = textTemplate.Must(textTemplate.New("iosTemplate").Parse(`
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<dict>
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<key>PayloadType</key>
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<string>io.tailscale.ipn.ios</string>
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<key>PayloadUUID</key>
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<string>{{.UUID}}</string>
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<key>PayloadIdentifier</key>
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<string>com.github.juanfont.headscale</string>
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<key>PayloadVersion</key>
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<integer>1</integer>
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<key>PayloadEnabled</key>
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<true/>
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<key>ControlURL</key>
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<string>{{.URL}}</string>
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</dict>
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`))
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var macosTemplate = template.Must(template.New("macosTemplate").Parse(`
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<dict>
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<key>PayloadType</key>
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<string>io.tailscale.ipn.macos</string>
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<key>PayloadUUID</key>
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<string>{{.UUID}}</string>
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<key>PayloadIdentifier</key>
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<string>com.github.juanfont.headscale</string>
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<key>PayloadVersion</key>
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<integer>1</integer>
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<key>PayloadEnabled</key>
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<true/>
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<key>ControlURL</key>
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<string>{{.URL}}</string>
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</dict>
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`))
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