On Tue, Mar 08, 2022 at 05:49:04PM +0100, Marc Haber wrote: >... > (2) > #774046 #520037 > Which special characters should we allow for account names? > > People demand being able to use a dot (which might break scripts using > chown) and non-ASCII national characters in account names. The regex > used to verify non-system accounts is configurable, so the policy can be > locally relaxed at run-time. > > For system-accounts, I'd like to stick to ASCII letters, numbers, > underscores. >...
There is a DD with the login 93sam, and this is already outside of what systemd accepts.[1] Non-ASCII characters in account names sound like a lot of breakage and CVEs to me. > Greetings > Marc cu Adrian [1] https://github.com/systemd/systemd/issues/6237