Wireshark-dev: Re: [Wireshark-dev] Terminating NULL chraracter in RTCP Bye reason string

From: "Vinod M" <vinod7@xxxxxxxxx>
Date: Tue, 5 Aug 2008 20:26:05 +0530

Sorry missed out the attachment.

On Tue, Aug 5, 2008 at 7:53 PM, Vinod M <vinod7@xxxxxxxxx> wrote:
> Hi,
>
> When the RTCP BYE packet has a reason string which is not NULL
> terminated ( because the octects in reason along with the reason
> length already fills the packet to
> the next 32-bit boundary) Wireshark still gives the expert info that
> "Reason string is not NULL-terminated (see RFC3550, section 6.6)". But
> to me it looks like RFC 3550
> is not mandating that all BYE reasons be NULL terminated. Please see
> the extract below from section 6.6.
>
> "Optionally, the BYE packet MAY include an 8-bit octet count followed
> by that many octets of text indicating
>  the reason for leaving, e.g., "camera malfunction" or "RTP loop detected".
>  The string has the same encoding as that described for SDES.
>  If the string fills the packet to the next 32-bit boundary, the
> string is not null terminated."
>
> Please see the attached pcap for a sample RTCP packet for which this
> warning is given.  Iam using Version 1.0.2 (SVN Rev 25698).
>
> Regards,
> Vinod M
>

Attachment: NotNullTerminated.pcap
Description: Binary data