[Bug 8342] New: rsync can't handle populate dirs without u+rx permissions

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=8342

           Summary: rsync can't handle populate dirs without u+rx
                    permissions
           Product: rsync
           Version: 3.0.9
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: cjk32 at cam.ac.uk
         QAContact: rsync-qa at samba.org


When running rsync with root at the source, it is quite possible to end up
wanting to transfer directories with 'strange' permissions.  At present, it the
destination doesn't have root access too, these directories cannot be
populated.

For example:

# mkdir source
# mkdir source/dir
# touch source/dir/file
# chmod 400 source/dir
# sudo rsync -rltp source user at host:destination
rsync: recv_generator: failed to stat ".../destination/source/dir/file":
Permission denied (13)

In order to create files in a directory without root, it needs to have u=rwx
permissions.  There is currently a workaround to temporarily add u+w write
permissions to a directory whilst creating files and to correct the permissions
afterwards, specifically to deal with read-only directories (u=rx).  The
attached patch extends this to temporarily add u+rwx permissions instead,
allowing all directories to be transferred.

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