On Mon, 4 May 2020 at 15:51, Andy Pieters <[email protected]> wrote:
> Hi > > I'm trying to accomplish the following: > > An event happens -> I start a systemd service in response > after RuntimeMaxSec is reached service terminates and cleans up event > > Should a second event happen whilst RuntimeMaxSec is not yet reached the > preference would be to reset RuntimeMaxSec of the service > > Alternatively, I suppose I could shut down the service and restart it in > reply to > a second or third or fourth event happening. > > Any suggestions here? > > OK, I will give more info on what I want to do. I have SSH login which requires 2FA. I use PAM to check if user belongs to group x If user is in group X, normal authentication is performed If user is not in group X, then 2F authentication is required. That part is already working. What I want to achieve: a) when a user logs on using 2F authentication, add user to group x b) after a delay remove user from group x That part is trivial to do with some service file, either by starting a timer, or using systemd-run or setting RuntimeMaxSec on a dummy service and using the ExecStop= to remove the user from group x. The problem: * every new login in between a) and b) above should restart the delay timing
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