Re: [RFC] svn+ssh and authz: alternate method via a simple setuid svnserve wrapper

Richard Hansen <rhansen_at_bbn.com> writes:

> Our solution: In a nutshell, the wrapper execs "/path/to/svnserve -t
> --tunnel-user=<user_that_executed_the_wrapper>". This wrapper is meant
> to be installed with the setuid bit set and owned by the user who has
> read/write access to the repository database files ('svn'). Thus, when
> user 'foo' executes the wrapper, the wrapper runs "/path/to/svnserve -t
> --tunnel-user=foo" as user 'svn'. Thus, user 'foo' does not need
> read/write access to the repository files, making it harder to bypass
> the path-based access controls. The wrapper uses the getlogin() and
> getpwuid(getuid()) POSIX functions to fetch the username of the user
> that started the wrapper.

Have you seen
http://svn.collab.net/repos/svn/trunk/tools/examples/svnserve-sgid.c ?

> What do you think? Does this sound like something the Subversion user
> community would be interested in? If so, I'll post a link to the code
> once it has gone through public release and a quick security review.

I don't see why we couldn't include it in contrib
(svnserve-sgid.c should be in contrib, too; not sure why I didn't
put it there to start with).

-- 
Eric Gillespie <*> epg_at_pretzelnet.org
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