LHC@home

Hi!
People using sudo-rs instead of sudo, as it happens with Ubuntu 25.10, will likely find an issue with the file /etc/sudoers.d/50-lhcathome_boinc_theory_native.
In this file the dot happens to be escaped: "\.", whereas sudo-rs parsing doesn't want it (at least with my version 0.2.8). You can delete the "\", leaving the dot alone in every occurence. You can use visudo to edit the file:

sudo visudo -f /etc/sudoers.d/50-lhcathome_boinc_theory_native

Then double-check with:

sudo visudo -c

--
Bye, Lem

The sudoers file uses regular expressions like here:

Cmnd_Alias LHCATHOMEBOINC_02 = /usr/bin/systemctl ^(freeze|thaw) Theory_[-a-zA-Z0-9_]+\.scope$

In general, if a regex contains a '.' this stands for 'any character'.
If you want to restrict it literally to a '.' then you must escape it with a '\'.

If sudo-rs rejects a regex containing a valid escape like above then this is a bug in sudo-rs.
Hence, please send a bug report to the sudo-rs developers:
https://github.com/trifectatechfoundation/sudo-rs

If sudo-rs rejects a regex containing a valid escape like above then this is a bug in sudo-rs.

I don't think so. sudo-rs does not support wildcards in command arguments, so no need for dots to be escaped. A dot is always a dot with sudo-rs.
There had been a bug with the equal sign (=) not escapable, fixed already.
Sudo-rs and sudo are not 100% compatible. Just it.

However, if someone doesn't like sudo-rs, he can install and use sudo instead.
--
Bye, Lem

I do not agree.

We use sudo's regex support for very good reasons.

Your small modification shows that sudo-rs supports regex at least partly.
So, why not completely?
Escaping a '.' is not a wildcard issue.
Not supporting it is a clear bug or forgotten feature.

Sudo-rs is rather new and claims to be a replacement for sudo.
The example here and other discussions at their development site shows it is far away from being ready.