[tpm2] Re: sending commands to simulator

[tpm2] Re: sending commands to simulator

[Tadeusz Struk]

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On 10/25/19 12:19 PM, Roberts, William C wrote:
>   if [ "$raw" == "yes" ]; then
>     echo -n "$cmd" | nc -N "$ip" "$port"
>   else
>     echo -n "$cmd" | xxd -p -r | nc -N "$ip" "$port"
>   fi

Looks good. Would be even better if we make sure that the response from
the mssim (4 bytes) is 0x00 00 00 00 (success) and print an error msg
otherwise.

--
Tadeusz

[tpm2] Re: sending commands to simulator

[Roberts, William C]

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> -----Original Message-----
> From: Struk, Tadeusz
> Sent: Friday, October 25, 2019 5:11 PM
> To: Roberts, William C <william.c.roberts(a)intel.com>; tpm2(a)lists.01.org
> Subject: Re: [tpm2] sending commands to simulator
> 
> On 10/25/19 12:19 PM, Roberts, William C wrote:
> >   if [ "$raw" == "yes" ]; then
> >     echo -n "$cmd" | nc -N "$ip" "$port"
> >   else
> >     echo -n "$cmd" | xxd -p -r | nc -N "$ip" "$port"
> >   fi
> 
> Looks good. Would be even better if we make sure that the response from the
> mssim (4 bytes) is 0x00 00 00 00 (success) and print an error msg otherwise.

Yeah that would be nice. The simulator always returns 0 unless you give it a garbage
Command, at that point the simulator prints an error message so at least you know.

> 
> --
> Tadeusz