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48 lines
1.7 KiB
Go
48 lines
1.7 KiB
Go
//go:build darwin && !ios
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package internal
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import (
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"os"
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log "github.com/sirupsen/logrus"
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vncserver "github.com/netbirdio/netbird/client/vnc/server"
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)
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func newPlatformVNC() (vncserver.ScreenCapturer, vncserver.InputInjector, bool) {
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capturer := vncserver.NewMacPoller()
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// Screen Recording is asked for only when this process is the one that will
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// capture. It is a user-scope TCC service, so the request is dropped from a
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// LaunchDaemon: no prompt appears and NetBird never even reaches the Screen
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// Recording list. In that case the per-user agent asks instead, see
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// newAgentResources. Without service mode there is no agent, so nothing
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// else will ever raise the prompt and the client would serve a windowless
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// desktop with no indication why.
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if vncNeedsServiceMode() {
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// The per-user agent owns capture and input in service mode, so this
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// process needs neither. A real injector here would still hold its
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// PreventUserIdleDisplaySleep assertion from construction, keeping
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// the display awake for the daemon's whole life with no VNC session
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// in sight.
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return capturer, &vncserver.StubInputInjector{}, true
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}
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vncserver.RequestScreenRecording()
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injector, err := vncserver.NewMacInputInjector()
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if err != nil {
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log.Debugf("VNC: macOS input injector: %v", err)
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return capturer, &vncserver.StubInputInjector{}, true
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}
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return capturer, injector, true
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}
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// vncNeedsServiceMode reports whether the running process is a system
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// LaunchDaemon (root, parented by launchd). Daemons sit in the global
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// bootstrap namespace and cannot talk to WindowServer; we route capture
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// through a per-user agent in that case.
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func vncNeedsServiceMode() bool {
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return os.Geteuid() == 0 && os.Getppid() == 1
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}
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