extra trailing . on path for tree connect

[Michael Wood]

On 26 April 2011 23:41, Sam Liddicott <sam at liddicott.com> wrote:
>
> On 26/04/11 10:13, Sam Liddicott wrote:
>>
>> I'm getting some unexpected packet contents from a windows XP client on
>> restarting an interrupted samba 4 session.
>>
>> If I have an open windows explorer view on windows XP and then restart
>> Samba and then refresh the open window by executing from a command window:
>>
>> start \\es3300-c5559f6a\test
>>
>> Then I get the unexpected packet below showing that an extra trailing dot
>> . is added to the path-name at offset 0x0094 so that the connect attempt is
>> to:
>>
>> \\es3300-c5559f6a\test.
>>
>> instead of
>>
>> \\es3300-c5559f6a\test
>>
>>
>> 0000   00 00 00 01 00 06 00 17 c5 5c fe 34 00 00 08 00  .........\.4....
>> 0010   45 00 00 8e 68 72 40 00 80 06 ae ea 0a 14 17 50 E...hr at ........P
>> 0020   c0 a8 01 01 05 36 01 bd 36 66 3a d4 fc f3 74 55  .....6..6f:...tU
>> 0030   50 18 fc c1 ec 97 00 00 00 00 00 62 ff 53 4d 42  P..........b.SMB
>> 0040   75 00 00 00 00 18 07 c8 00 00 00 00 00 00 00 00  u...............
>> 0050   00 00 00 00 00 00 ff fe 86 cb 00 c0 04 ff 00 62  ...............b
>> 0060   00 08 00 01 00 37 00 00 5c 00 5c 00 45 00 53 00  .....7..\.\.E.S.
>> 0070   33 00 33 00 30 00 30 00 2d 00 43 00 35 00 35 00  3.3.0.0.-.C.5.5.
>> 0080   35 00 39 00 46 00 36 00 41 00 5c 00 54 00 45 00  5.9.F.6.A.\.T.E.
>> 0090   53 00 54 00 *2e 00* 00 00 3f 3f 3f 3f 3f 00        S.T.*.*...?????.
>>
>> Does anyone recognize such behaviour, or know the cause of the . or what
>> it might signify?
>
> If I set up shares so that the trailing . represent a valid share, then
> windows also attempts a connection with a share whose name has the last
> character missing, e.g. \\es3300-c5559f6a\tes
>
> So I begin to think that this is just the windows client "intelligently"
> responding to a situation when the session was reset and trying to see if
> the share was renamed or something. But there doesn't seem to be any special
> action required of the server.

There have been a few reports on the samba list of XP sometimes
leaving the last character off the end of the share name.  This
appears to be a bug in XP.

I don't know about the trailing dot, though.

-- 
Michael Wood <esiotrot at gmail.com>