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Re: Environment variables in hook scripts?

From: Talden <talden_at_gmail.com>
Date: Sun, 31 Mar 2013 16:36:19 +1300

Whenever I've set up any Windows SVN servers I've always ensured that
everything works without an environment anyway. I anticipated, given the
documentation, that this exact change could occur.

So you could say that a lack of pain is a reward for following the spec
intent :)

Aaron Scott-Boddendijk
On Fri, Mar 29, 2013 at 6:33 AM, Branko Čibej <brane_at_wandisco.com> wrote:
> On 28.03.2013 18:08, Daniel Shahaf wrote:
> > Ben Reser wrote on Thu, Mar 28, 2013 at 09:30:05 -0700:
> >> On Thu, Mar 21, 2013 at 10:41 AM, Branko Čibej <brane_at_wandisco.com>
> wrote:
> >>> However it would avoid a possible security issue or two as well. IMO
> our
> >>> documentation is correct and we should fix the code to behave as
> documented.
> >> I don't think we ever came to a conclusion on this.  However, Bert had
> >> some important comments about how Windows handles the PATH on IRC.
> >>
> >> 17:19        Bert    You need PATH to find shared libraries. And many
> tools rely
> >> on environment variables to find out things about the runtime
> >> environment. (E.g. system temp directory)
> >> 17:20        Bert    There is no way to obtain that if you remove the
> variable
> >>
> >> Full discussion is here:
> >> http://colabti.org/irclogger/irclogger_log/svn-dev?date=2013-03-21
> > Can we come up with a whitelist of envvars to keep?
> > (PATH, TEMP, TMP, TMPDIR, etc; don't have a windows box handy to examine)
> I'm not sure I agree; this is what $repo/conf/hooks-env is for after all.
> It's true that Windows keeps "system" and "user" environment variables
> separate, and hook scripts will inherit from httpd (or svnserve) which,
> when run as a service, will only see the system environment. So what
> environment the hook script sees is strictly under the sysadmin's
> control. However, pretty much the same is true on Unix; so if we have a
> valid reason for starting with an empty environment there, we may as
> well do that on Windows, too.
> Although I can imagine the pain of migrating every Windows-based SVN
> server to a different scheme for setting the environment.
> -- Brane
> --
> Branko Čibej
> Director of Subversion | WANdisco | www.wandisco.com
Received on 2013-03-31 05:36:54 CEST

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