[Samba] 1 byte writes

Thomas Limoncelli limoncelli at web.de
Wed Mar 8 22:49:47 GMT 2006


Jeremy Allison wrote:
> It's in the trans2 qfileinfo calls. Look at the SMB_INFO_STANDARD,
> SMB_FILE_STANDARD_INFORMATION, SMB_QUERY_FILE_ALLOCATION_INFO
> SMB_QUERY_FILE_ALL_INFO calls. 

Thanks, but still strange. I don't see the client getting/requesting any 
such details before starting with the 1 byte writes. Is the client 
expected to do so? May it be caching any of those? Just to make 
absolutely sure I'm not overlooking something: can you suggest an 
Ethereal display filter that'll make it easier to locate these details 
in my hundred meg capture file? FWIW, filtering for smb.alloc_size 
(which was may initial guess based on my understanding of Ethereal's 
packet-smb.c) didn't turn up anything. (Ethereal's packet reassembly 
options are turned on, mind you :-)).

Feedback appreciated.


-TL


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