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Re: "cvs server" accepts but ignored --allow-root


From: Derek Robert Price
Subject: Re: "cvs server" accepts but ignored --allow-root
Date: Fri, 22 Nov 2002 08:15:58 -0500
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0

Tim Riker wrote:

Not sure how to do a test for this. src/sanity.sh does one rsh test, but I don't think you can alter the command it runs on the other end? I believe it does "cvs server" and I need it to do "cvs server --allow-root ${CVSROOT_DIRNAME}" which should work. Anything else like "cvs server --allow-root ${CVSROOT_DIRNAME}/foo" should get an error when the client tries to choose a different path.

The current state is that "cvs server --allow-root ${CVSROOT_DIRNAME}/foo" _will_ allow setting the dirname to anything and will completely ignore the --allow-root without a warning or error message.

CVS_SERVER cannot contain arguments, correct? I suppose you could create a script like:

#!/bin/bash
exec cvs --allow-root /path/from/cvsroot_dirname $*

and then put the scriptname in CVS_SERVER?

Testing over rsh should work, but is kind of silly. I suppose an admin might provide a cvs wrapper as above and hide the real cvs binary. This really is used with ssh authorized_keys as explained in the original message.


Testing over RSH should be fine - CVS_SERVER can be set on the client end and CVS will use the same code whether executed by SSH or RSH. No security restrictions are necessary in the tests scripts - you know what you told it to run - the test isn't like a user who might try and change it.

You might also try running something akin to the pserver, server, and server2 tests - those exec `cvs --allow-root=X pserver' and `cvs server' on the command line then feed fake protocol data in on stdin and read stdout to see if they are working properly. You could probably cut and paste a few of those tests even, as long as you added one that got the failure message. I think you need to test three cases - a working checkout without --allow-root specified, a working checkout with --allow-root specified, and a forbidden checkout with --allow-root specified.

Derek

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