IIRC the legacy lockscreen was replaced by the PAM library a while ago. In principle, you should be able to configure this in /etc/pam.d/screen
auth sufficient pam_permit.so This will sort of work; screen will still display the prompt for password but it will accept anything. Instead, screen should let only do the password prompt etc if PAM requires it to. I think this is a minor issue with program flow for PAM authentication that seems fixable, without throwing the baby out with the bath water. I have some ideas about fixing the pam callback but it's not something I've done before - this is probably somewhat complicated by how screen processes key events. On Thu, May 25, 2023 at 7:09 PM anonymous <invalid.nore...@gnu.org> wrote: > > URL: > <https://savannah.gnu.org/bugs/?64254> > > Summary: Attach a screen sessoin without being forced to > provide a password > Group: GNU Screen > Submitter: None > Submitted: Fri 26 May 2023 02:09:14 AM UTC > Category: Program Logic > Severity: 3 - Normal > Priority: 5 - Normal > Status: None > Privacy: Public > Assigned to: None > Open/Closed: Open > Release: Cur Dev Sources > Discussion Lock: Any > Fixed Release: 5.0.0 > Planned Release: 5.0.0 > Work Required: None > > > _______________________________________________________ > > Follow-up Comments: > > > ------------------------------------------------------- > Date: Fri 26 May 2023 02:09:14 AM UTC By: Anonymous > Dear screen maintainers & devs, > > Thanks for maintaining GNU screen! > > From ChatGPT I learnt, that in "GNU Screen 4.99 (or current dev branch), the > ability to disable passwords was removed, and there is no straightforward > configuration option to achieve this. Password authentication is now enforced > by default in GNU Screen 4.99 and later versions." > > I couldn't figure out a way using the docs to disable GNU screen's password > prompt when re-attaching a detached session. > > My issue and my temporary workaround is described here: > https://marcgloor.github.io/gnuscreenpatch.html > > Can you confirm that the ability to disable passwords was intentionally > removed? If so, I would request this option to be re-added to the program > logic again. > > Thanks > Marc > > > > > > > > _______________________________________________________ > > Reply to this item at: > > <https://savannah.gnu.org/bugs/?64254> > > _______________________________________________ > Message sent via Savannah > https://savannah.gnu.org/ > >
