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Re: [Samba4][Patch]: padding dcerpc faults packets
by Volker Lendecke
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On Tue, May 13, 2008 at 05:33:34PM +0200, Stefan (metze) Metzmacher wrote:
> hi Julien,
> > Samba4 (after calculation) sends the dcerpc fault with a fraglen set to
> > 28 bytes - which is the correct size - while Exchange appends 4 padding
> > bytes set to 0 and set the fraglen to 32 bytes. I can send some captures
> > if needed.
>
> NT4 also sends 32 bytes for the not supported
> LsarQueryInformationPolicy2
>
> And w2k3 also replies with 32 byte with DCERPC_FAULT_ACCESS_DENIED
> when I try DRSUAPI over ncacn_np.
>
> So I think it's better when we always send 32 byte too.I wonder where you find this in the protocol docs ;-)
Volker
> hi Julien,
> > Samba4 (after calculation) sends the dcerpc fault with a fraglen set to
> > 28 bytes - which is the correct size - while Exchange appends 4 padding
> > bytes set to 0 and set the fraglen to 32 bytes. I can send some captures
> > if needed.
>
> NT4 also sends 32 bytes for the not supported
> LsarQueryInformationPolicy2
>
> And w2k3 also replies with 32 byte with DCERPC_FAULT_ACCESS_DENIED
> when I try DRSUAPI over ncacn_np.
>
> So I think it's better when we always send 32 byte too.
Volker
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