Subject: RE: [Sipping] Null bytes in SIP bodies ?

From: Jonathan Rosenberg <[email-masked]>
Date: Sat, 16 Jun 2001 02:47:53 -0400

> -----Original Message-----
> From: Henning G. Schulzrinne [mailto:[email-masked]]
> Sent: Thursday, June 14, 2001 7:40 PM
> To: Gayraud, Richard
> Cc: [email-masked]'
> Subject: Re: [Sipping] Null bytes in SIP bodies ?
> 
> 
> "Gayraud, Richard" wrote:
> > 
> > After checking in RFCs 2046 (page 23), it seems to
> > me that a SIP body may eventually contain a null
> > byte. Perhaps I missed something in the RFCs :-(
> > 
> > However, I wonder if a SIP proxy really needs to
> > support NULL bytes in bodies ? In this case, a simple
> > proxy can't carry SIP messages with standard C strings
> > (and can't do some basic processing with libc).
> 
> Yes, just like HTTP, a system needs to support any byte value 
> in a body.
> If your system supports only SDP and (maybe) HTML, you won't see any
> null bytes.

To add to that, there is no reason why a proxy would care what the value of
the bytes are in the body. Proxies don't parse or otherwise look at them;
they are just bytes. 

-Jonathan R.
---
Jonathan D. Rosenberg, Ph.D.                72 Eagle Rock Ave.
Chief Scientist                             First Floor
dynamicsoft                                 East Hanover, NJ 07936
[email-masked]                     FAX:   (973) 952-5050
http://www.jdrosen.net                      PHONE: (973) 952-5000
http://www.dynamicsoft.com

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