Re: 9.2 beta2 - pg_ctl crashes on Win32 when neither PGDATA nor -D specified

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Dave Page <dpage(at)pgadmin(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Edmund Horner <ejrh00(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: 9.2 beta2 - pg_ctl crashes on Win32 when neither PGDATA nor -D specified
Date: 2012-06-13 15:14:14
Message-ID: 20120613151414.GD4419@momjian.us
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On Wed, Jun 13, 2012 at 04:08:20PM +0100, Dave Page wrote:
> On Wed, Jun 13, 2012 at 3:51 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > On Mon, Jun 11, 2012 at 10:23:00PM -0400, Tom Lane wrote:
> >> Hm, that patch seems to be several bricks shy of a load.  I will fix
> >> two obvious bugs in it:
> >>
> >> (1) not dump core on boxes where printf("%s", NULL) dumps core;
> >>
> >> (2) not try to call adjust_data_dir before complaining for lack of
> >> a -D switch; since adjust_data_dir does not do anything to the value
> >> of pg_config, it's just silly to do things in that order.
> >>
> >> However,
> >>
> >> > I note that "postgres -C data_directory" will refuse to run on the
> >> > command line because I've got admin privileges in Windows, and that
> >> > pg_ctl normally starts postgres.exe using CreateRestrictedProcess.
> >> > But it does not do so for the popen call in adjust_data_dir.
> >>
> >> if that actually is a third bug, as seems likely, somebody with access
> >> to a windows environment will need to deal with it.
> >
> > I think you have to use RUNAS when using 'pg_ctl' or 'postgres' on Windows.
>
> pg_ctl should work as an administrative user, as it'll irrevocably
> drop unwanted privileges. postgres won't though.

The user was geting an error trying to start the postmaster, which I
think matches your description.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +

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