[Bug 10705] New: usermap/groupmap do not escape wildcards passed to the remote

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=10705

           Summary: usermap/groupmap do not escape wildcards passed to the
                    remote
           Product: rsync
           Version: 3.1.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: darius at dons.net.au
         QAContact: rsync-qa at samba.org


Hi,
I was trying to map all GID/UID to 0:0 with..
rsync --chown 0:0 foo user at remote:/tmp

but it bombs out with..
rsync: No match.
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(226)
[sender=3.1.1]

I am guessing that --chown 0:0 maps internally to --usermap *:0 --groupmap *:0
but they aren't escaped properly.

As a work around I am using..
rsync --usermap \\\*:0 --groupmap \\\*:0 foo user at remote:/tmp

and it works.
(i.e. the *'s are escaped enough the remote invocation doesn't fail).

I imagine this would also work if the remote shell did not error on
non-matching globs, however I think the existing behaviour is still broken as
if the glob did match the behaviour could be very odd.

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