Red Hat Bugzilla – Bug 961510
Please get sudo to create /run/user/$UID as part of session setup
Last modified: 2015-02-17 10:12:44 EST
Created attachment 745787 [details]
proposed sample changes
Description of problem:
As components (in this case, krb5) start expecting to find a runtime directory for the current user in the default location, commands run under sudo are going to be confused when the runtime directory isn't present.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. sudo ls /run/user
If the user the "ls" command runs as isn't/hasn't logged in, their directory under /run/user won't be there.
I'd like to see the directory there.
Sounds like a bug #965419 for su(1). IMHO it's nasty hack to hardcode something like to this on multiple places. Why we we have PAM or logind?
The logind process creates the directory for proper login sessions, but it uses the user's loginuid, which I expect isn't something we want to start changing in su and sudo. I guess we don't already have a PAM module that does this specifically because pam_systemd causes the thing which we want to happen to be done the rest of the time.
Nalin, perhaps pam_systemd should do the right thing and not use loginuid but the uid of the user to be logged in.
(In reply to Tomas Mraz from comment #3)
> Nalin, perhaps pam_systemd should do the right thing and not use loginuid
> but the uid of the user to be logged in.
For the login shells, XDG_RUNTIME_DIR still points to the location that was created, but given that su can also be used to drop from root to an unprivileged user, there are cases where that's not so helpful ("ssh -t root@localhost su someuser", for example). I haven't dug into the full set of design goals there, though, so I can't say for sure that it should be changed.
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