| From: | Petar Bogdanovic <petar(at)smokva(dot)net> |
|---|---|
| To: | Christoph Berg <myon(at)debian(dot)org> |
| Cc: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15120: use of getcwd(3)/chdir(2) during path resolution (exec.c) |
| Date: | 2018-03-17 20:55:44 |
| Message-ID: | 20180317205544.GA3507@pintail.NGC068 |
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| Lists: | pgsql-bugs |
On Sat, Mar 17, 2018 at 09:40:51PM +0100, Christoph Berg wrote:
> $ chmod 700 .
> $ sudo -u postgres psql
> could not change directory to "/home/cbe": Permission denied
>
> I never observed any negative side effects of it, though. (Except for
> the obvious fact that "\i somethinginmyhome.sql" won't work.)
At least on NetBSD, shutting down the system with sudo while being in a
0700 directory will make the pgsql rc-script fail (because it relies on
pg_ctl), i.e. pull the plug on a running pgsql instance.
One could argue that the NetBSD /etc/rc script should, in general, chdir
before doing anything but relying on getcwd/chdir still seems suboptimal.
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