How can i prompt for password and user when someone tries to stop a windows service?
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How can i prompt for password and user when someone tries to stop a windows service?
Ordinarily, there’s no reason to do this. By default, only administrators can stop a service, and if the service can be stopped at all it makes no sense to ask an administrator for a password to do so: they’re an administrator, so by definition they’re entitled to do anything.
The one scenario that makes sense is if you want ordinary users to be able to stop the service if they know the password. That way, you can let someone stop the service without giving them administrative rights to the computer. (Even then, in most cases it would be simpler to change the permissions on the service to allow the user(s) in question the right to stop the service; but perhaps, for example, you want users to be have to phone a helpdesk to be given the password.)
The secret to making this work is that the service is entitled to stop itself for any reason without having received a stop request from the operating system. So you can just write a program that the users can run if they want to stop the service. The program accepts the password and sends it to the service over some form of IPC, such as a named pipe. If the password is correct, the service stops.
You could also configure the service so that it doesn’t accept stop requests, in which case an administrator would also need the password in order to stop the service nicely. But that wouldn’t stop them from stopping the service by killing the service process, or uninstalling the service and rebooting the computer.