GNU bug report logs - #22650
umask is 0000 when logging in over SSH (with lshd running)

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From: Alex Kost <alezost <at> gmail.com>
To: 宋文武 <iyzsong <at> openmailbox.org>
Cc: iyzsong <at> gmail.com, ludo <at> gnu.org, iyzsong <at> member.fsf.org, 22650 <at> debbugs.gnu.org
Subject: bug#22650: guixSD default umask is 0000
Date: Tue, 08 Mar 2016 01:25:59 +0300

宋文武 (2016-03-07 18:18 +0300) wrote:

> 于 2016年3月7日 GMT+08:00下午8:18:44, ludo <at> gnu.org 写到:
>
>     ludo <at> gnu.org (Ludovic Courtès) skribis:
>
>          myglc2 <myglc2 <at> gmail.com> skribis:
>
>              glc <at> g1 ~$ ssh glc4 <at> g1
>              glc4 <at> g1's password:
>              glc4 <at> g1 ~$ umask
>              0000
>
>          Oh indeed, I can reproduce it.
>
>          The problem is that lshd resets the umask when it starts (in
>          src/daemon.c:daemon_init) but never changes it again.
>
>          Perhaps we should be using pam_umask and login.defs (although I’m unsure
>          if lshd would honor it), or alternately add explicitly set the umask in
>          /etc/profile.
>
>          Thoughts?
>
>     宋文武 & Alex: WDYT?  (Asking you since I know you’re already familiar
>     with these things.  :-))
>
>     Ludo’.
>
>
> I never pay attention to umask, but set it in /etc/profile seem the
> right thing to me. IIRC, debian and exherbo set it in there too.

I agree ("ArchLinux" also has "umask 022" in /etc/profile).

--
Alex

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