[Samba] Inexistant file displayed by samba

[Jeremy Allison]

On Thu, Sep 04, 2008 at 12:26:05PM -0400, Dennis Clarke wrote:
> 
> You want disturbing ?
> 
> On my Samba 3.2.2 server I cd to a directory that is shared out as some
> share named "share" :
> 
> # pwd
> /opt/winshare/test_stuff
> # echo "foo" > con
> # chown smbtest:samba con
> # ls -l con
> -rw-r--r--   1 smbtest  samba          4 Sep  4 12:08 con
> 
> Back at my 64-bit Windows Vista ( Business Edition ) machine I see :
> 
> Microsoft Windows [Version 6.0.6000]
> Copyright (c) 2006 Microsoft Corporation.  All rights reserved.
> 
> C:\Users\dclarke>net view \\FOSSIL
> Shared resources at \\FOSSIL
> 
> Samba 3.2.2
> 
> Share name  Type  Used as  Comment
> 
> ---------------------------------------------------------
> share       Disk  (UNC)    writable share
> ultra       Disk           external seagate
> The command completed successfully.
> 
> 
> Is the Samba server running fine and doing what it should?
> Yes it is :
> 
> # /opt/csw/bin/smbstatus
> 
> Samba version 3.2.2
> PID     Username      Group         Machine
> -------------------------------------------------------------------
> 15585     smbtest       samba         ultra20      (192.168.35.4)
> 
> Service      pid     machine       Connected at
> -------------------------------------------------------
> share        15585   ultra20       Wed Sep  3 22:40:41 2008
> ultra        15585   ultra20       Wed Sep  3 23:19:10 2008
> IPC$         15585   ultra20       Wed Sep  3 22:40:41 2008
> 
> Locked files:
> Pid          Uid        DenyMode   Access      R/W        Oplock          
> Share
> Path   Name   Time
> ----------------------------------------------------------------
> 15585        12345      DENY_NONE  0x100001    RDONLY     NONE            
> /export/smbd/ultra20   .   Wed Sep  3 23:21:47 2008
> 15585        12345      DENY_ALL   0x6019f     RDWR       EXCLUSIVE+BATCH 
> /export/smbd/ultra20   VMware/s10u5/mercury/Solaris 10 64-bit-f007.vmdk  
> Thu Sep  4 12:06:26 2008
> 
> So let's take a look at that new file called "con" on that share :
> 
> C:\Users\dclarke>dir \\FOSSIL\share\test_stuff\
>  Volume in drive \\FOSSIL\share is share
>  Volume Serial Number is 09FC-04E7
> 
>  Directory of \\FOSSIL\share\test_stuff
> 
> 09/04/2008  12:08 PM    <DIR>          .
> 09/03/2008  10:18 PM    <DIR>          ..
> 12/30/2007  08:15 PM                19 text.txt
> 11/18/2007  07:32 PM         2,970,312 817-5093.pdf
> 12/03/2007  01:58 PM         3,342,666 Sun Studio 11 C Users Guide
> 819-3688-10.pdf
> 11/25/2007  11:43 PM         2,099,796 Sun Studio 12 C Users Guide
> 819-5265.pdf
> 12/17/2007  11:01 PM         3,380,801 Sun Studio 8 C User's Guide
> 817-5064.pdf
> 08/25/2008  05:49 PM    <DIR>          select
> 09/03/2008  10:56 PM           146,093 samba_322_sparc20_sol8.jpg
> 09/04/2008  12:08 PM                 4 CSHOFG~F
>                7 File(s)     11,939,691 bytes
>                3 Dir(s)     109,947,904 bytes free
> 
> 
> See a funny looking file ( CSHOFG~F ) there ?  It sure is not named "con"
> now is it? How did the name change?  Did the name change ?
> 
> Let's go look at the Samba server :
> 
> # pwd
> /opt/winshare/test_stuff
> # ls -l
> total 23452
> -rwxr--r--   1 smbtest  samba    2970312 Nov 18  2007 817-5093.pdf
> -rwxr--r--   1 smbtest  samba    3342666 Dec  3  2007 Sun Studio 11 C
> Users Guide 819-3688-10.pdf
> -rwxr--r--   1 smbtest  samba    2099796 Nov 25  2007 Sun Studio 12 C
> Users Guide 819-5265.pdf
> -rwxr--r--   1 smbtest  samba    3380801 Dec 17  2007 Sun Studio 8 C
> User's Guide 817-5064.pdf
> -rw-r--r--   1 smbtest  samba          4 Sep  4 12:08 con
> -rwxr-xr-x   1 smbtest  samba     146093 Sep  3 22:56
> samba_322_sparc20_sol8.jpg
> drwxr-xr-x   2 smbtest  samba       3584 Aug 25 17:49 select
> -rw-r--r--   1 smbtest  samba         19 Dec 30  2007 text.txt
> 
> Well golly gee .. the file named "con" is still there on the Samba server
> and it looks fine but Vista can not see it and will not deal with it.
> 
> Must be a bug in Samba ?
> 
> Not bloody likely.
> 
> You should look on your Samba server to see if there are funny looking
> three letter files named "con" or "com" or such.

con is a DOS reserved name. That's why Samba mangles it.

Jeremy.