Bug 462583

There's a couple problems with rsync, unfortunately.

* scponly-4.8 does not work with rsync-3.x.  So at best, we would be introducing an inconsistency between F-8 and other Fedora versions.  There's a fix for this in cvs but:

* rsync was disabled due to security issues:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6350
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=437148
https://bugzilla.redhat.com/show_bug.cgi?id=418201

I looked through the documentation and the Debian bug again and there's conflicting information as to whether we should re-enable this.

From the SECURITY file:
3) NOTE THE FOLLOWING SECURITY RISKS:
   [...]
   -- The following programs use configuration files that might allow the user
      to bypass security restrictions placed on command line arguments:

          svn, svnserve, rsync, and unison

From the scponly author on the Debian bug report:
> We have fairly recently refined the rsync support to disallow starting it as a 
> daemon, and a few other things that could also cause problems, so I believe 
> it won't accept a config file on the command line, etc., and I believe it to 
> be safe at this point.
> 
[...]
> 
> As far as we know, a system secured using the practices set forth in the 
> security guide will be secure.  If there are other best practices that can be 
> added to it, or you have other suggestions and/or comments, please let us 
> know.

Looking at the source code, it looks like they've fixed this issue although I'd need to look at rsync's source code as well to see if there's a way to circumvent the fix.

Since this code path was modified for a security breach I'd rather wait for upstream to release a new version than to rely on a cvs snapshot that could turn out to have further security bugs that need fixing.

That said, I believe that both warren and myself are no longer using scponly for anything.  If you would like to take on maintainership and allocate the time to track upstream's work on this, that would make for a better package overall.

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