Recently one of my users accidentally deleted some files and directories from a 
samba 
file server.  I restored the missing stuff from a bacula backup, but the user 
could 
not access the restored files.  Some troubleshooting revealed that the files 
were 
restored correctly, but the directories containing the files were restored with 
incorrect permissions.

In order to understand what happened I did some simple testing on the bacula 
server 
itself. Here is the simple fileset for the server.

FileSet {
   Name = "khyber Files"
   Include {
     Options {
       signature=MD5
       compression=GZIP
     }
     File = /etc
     File = /home
     File = /root
   }  # end Include
}

I created some subdirectories with various permissions inside the /root folder

drwxrwxrwx 2 root root 4.1k Jan  8 17:17 testdir/
drwxr-xr-x 2 root root 4.1k Jan  8 17:12 testdir2/
drwxrws--- 2 root root 4.1k Jan  6 18:24 testdir3/
drwxr-xr-x 2 mark ftp  4.1k Jan 10 10:54 testdir4/

I added some test files inside the test folders. After a bacula backup was 
performed, 
I renamed the test directories by appending "-save" to them.  Then I restored 
from 
the bacula backup and compared the restored directories to the originals.

drwxrw-rw- 2 root root 4.1k Jan 11 10:31 testdir/
drwxrwxrwx 2 root root 4.1k Jan  8 17:17 testdir-save/

drwxr--r-- 2 root root 4.1k Jan 11 10:31 testdir2/
drwxr-xr-x 2 root root 4.1k Jan  8 17:12 testdir2-save/

drwxrw---- 2 root root 4.1k Jan 11 10:31 testdir3/
drwxrws--- 2 root root 4.1k Jan  6 18:24 testdir3-save/

drwxr--r-- 2 mark ftp  4.1k Jan 11 10:31 testdir4/
drwxr-xr-x 2 mark ftp  4.1k Jan 10 10:54 testdir4-save/

The problem seems to always be related to the group and others "x" permission. 
The 
files inside the test directories were all restored correctly.  The root umask 
is 
022, but that doesn't explain this. Note that bacula correctly restored the 
owner and 
group so it is obviously saving the information about the directories.

Can anyone shed any light on what may be wrong with my configuration?  Or can 
you 
confirm that the same happens on your system?

Thanks,

-- 
Mark Nienberg
Sent from an invalid address. Please reply to the group.


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