rsync - Oct 2012 - [Bug 9246] New: Add chroot enablement option to rsync client

https://bugzilla.samba.org/show_bug.cgi?id=9246

           Summary: Add chroot enablement option to rsync client
           Product: rsync
           Version: 3.1.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: bmn at mailinator.com
         QAContact: rsync-qa at samba.org


When running rsync on a directory that is meant to be a chroot, rsync will
currently not correctly resolve symlinks with absolute targets because
obviously, those targets are meant to be interpreted from inside the chroot.
Because of that, copy-unsafe-links and safe-links cannot be used properly in
those cases.
It would be nice if there was an option to make the rsync client "chroot
aware".

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https://bugzilla.samba.org/show_bug.cgi?id=9246

Wayne Davison <wayned at samba.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Severity|normal                      |enhancement

--- Comment #1 from Wayne Davison <wayned at samba.org> 2012-10-07
18:45:04 UTC ---
One potential solution:

 rsync -aiv --rsync-path="chroot /chroot-path /usr/bin/rsync" src
localhost:/dest

That does require you to have a working rsync inside the chroot, while a
--chroot option would not.

If you don't have working ssh to localhost (or don't want to bother with
localhost encryption), add "-e lsh" to the command and put the
"lsh" shell
script from the support dir on your path.  Make sure it is a recent copy, like
this one:

 http://rsync.samba.org/ftp/unpacked/rsync/support/lsh

If you want to make use of lsh's user options, you should instead put lsh
into
the chroot (along with rsync) and do this:

 rsync -aive "chroot /chroot-path /usr/local/bin/lsh" src user at
localhost:/dest

I'm leaving this bug marked as an enhancement in case we want to add a
--chroot
option that makes it do a chroot internally.

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