samba - Sep 2002 - incomplete smbmount smbfs Win98SE iso8859-1 translation in kernel 2.4.18

I'm getting only partial iso8859-1 translation from an smbfs mount from
my Win98SE machine.  The smbfs mounted file system shows most lower-case
accented characters fine; but, it substitutes underscores for most of
the upper-case accented characters (and a few lower-case ones too):

# uname -a
Linux elm 2.4.18-8.1mdkian3 #7 Sat Aug 17 15:19:44 EDT 2002 i686 unknown
(Mandrake 8.2 Linux with all Mandrake updates [including kernel] applied.)

# mount -r -t smbfs -o iocharset=iso8859-1,codepage=cp850 //win/D /mnt/d

# cat /proc/mounts | grep /mnt/d
//win/D /mnt/d smbfs //ro,win95,file_mode=0755,dir_mode=0755,codepage=cp850 0 0

# lsmod | grep nls
nls_cp850               3584   1  (autoclean)
nls_iso8859-1           2816   1  (autoclean)

# echo /mnt/d/test* 
/mnt/d/testç_éÉâêîôû_____àèìòù_____.url

# echo /mnt/d/test* | od -tx1c | sed -e '/^0/s/ /  /g'
0000000  2f  6d  6e  74  2f  64  2f  74  65  73  74  e7  5f  e9  c9  e2
          /   m   n   t   /   d   /   t   e   s   t   ç   _   é   É   â
0000020  ea  ee  f4  fb  5f  5f  5f  5f  5f  e0  e8  ec  f2  f9  5f  5f
          ê   î   ô   û   _   _   _   _   _   à   è   ì   ò   ù   _   _
0000040  5f  5f  5f  2e  75  72  6c  0a
          _   _   _   .   u   r   l  \n

The first underscore (between c cedilla and e acute accent) is supposed
to be ã (small a with tilde).

The next two sets of five underscores correspond to upper-case accented
vowels, first with circumflexes and second with grave accents.

Naturally, I can't access any of the files that have had underscores
substituted; because, when Unix sends the file name with underscores
back to Win98SE it has no file by that name.

Why am I getting only partial translation to latin-1?
Pointers to more man pages graciously accepted...

# rpm -q samba
samba-2.2.3a-10mdk

-- 
-IAN!  Ian! D. Allen   Ottawa, Ontario, Canada   idallen@ncf.ca
       Home Page on the Ottawa FreeNet: http://www.ncf.ca/~aa610/
       College professor at: http://www.algonquincollege.com/~alleni/
       Board Member, TeleCommunities CANADA  http://www.tc.ca/

On Mon, 2 Sep 2002, Ian! D. Allen [NCFreeNet] wrote:
> # cat /proc/mounts | grep /mnt/d
> //win/D /mnt/d smbfs //ro,win95,file_mode=0755,dir_mode=0755,codepage=cp850
0 0
                       ^^
What is that?

Since it doesn't print the iocharset I assume your CONFIG_NLS_DEFAULT is
set to the same. So that's ok.
> # lsmod | grep nls
> nls_cp850               3584   1  (autoclean)
> nls_iso8859-1           2816   1  (autoclean)
If you umount and unload the smbfs module, these both go to 0?

> Why am I getting only partial translation to latin-1?
> Pointers to more man pages graciously accepted...
One reason could be that the server isn't actually using codepage 850 but
something else that partially overlaps (437 ?). You could try some
different settings here.

To find out what the server is sending you could sniff it using ethereal 
and see if it makes sense. Also look at the nls tables in the kernel 
source tree (fs/nls) and see if the charset(850) -> unicode -> 
charset(iso8859-1) values match.

You could also try the unicode patches from this page:
    http://www.hojdpunkten.ac.se/054/samba/index.html
(Note the order and the samba patch+option needed)

/Urban