prikhi/lightdm-mini-greeter

Autologin when pam allows

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#28 opened on Oct 19, 2018

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enhancementhelp wanted

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Description

I am not sure how correct my request is, but for example standard lightdm greeter allows you to login without entering your password when some pam module gives you sufficient rights to do so.

So when you have some pam module with 'sufficient' qualifier (or how it is called) and that module gives you permissions without interaction somehow, you can have such button or just automatically log in.

In my case it's pam_usb - on Ubuntu when i plug my USB key (with pamusb.conf configured for my user ofc) in it shows just Log in > button in place of password field.

Contributor guide

Research direction
Examine the LightDM mini greeter codebase to identify how PAM is currently used, then extend it to show a 'Log in' button when PAM returns sufficient status without password prompt.
Tech stack
c
Domain
authentication
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitCPAM
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50