# unload the launchd plist for the current userĬurrentUser= $(/bin/ls -l /dev/console | /usr/bin/awk ' ' ) That should display output similar to what’s shown below: Running the following command should show the setting: Other applications or functions trying to call the uninstall function from outside the app will not be authorized to uninstall the system extension.Īssuming that the code is included in the app to trigger Apple’s uninstall API for system extensions, the next step is found in the authorization database as the setting which controls whether or not the logged-in user is prompted for admin credentials is located there. This call to Apple’s uninstall API must be from the same code-signed app which is using the system extension. Applications/Santa.app/Contents/MacOS/santa -unload-system-extension An example of this can be found in the code of the open source Santa tool created by Google:įor Santa, this functionality can be triggered from the command line by running the following command: The first is that the app developer must have written into their code signed app a way to trigger Apple’s uninstall API for system extensions. There are two parts to being able to silently uninstall a system extension. For more details, please see below the jump. However, there is a way to bypass the admin authorization. In the latter case, removing authorization will also unload the system extension. In the past, Mac admins have dealt with this issue through user education, providing warnings like the one shown below, or (in macOS 11.3 and later) removing the profile which authorized the system extension. However, the RemovableSystemExtensions property is new in macOS Monterey and does not apply to macOS Big Sur and earlier. This is used to identify system extensions which can be deactivated without requiring admin authorization. Be willing to enter admin credentials when prompted.įor macOS Monterey, this issue has been addressed by the addition of the RemovableSystemExtensions property to the -extension-policy profile payload.
Understand what the dialog is telling them.This can be a problem for admins because it requires the logged-in user to: As part of the move from using kernel extensions to system extensions, there is an issue which can be a problem for Mac admins: Uninstalling a system extension from the command line usually involves a GUI window popping up and requesting admin authorization.
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