[Kamailio-Devel] [SR-Dev] content length

[Daniel-Constantin Mierla]

On 03/30/2009 05:37 PM, Iñaki Baz Castillo wrote:
> 2009/3/30 Daniel-Constantin Mierla <miconda at gmail.com>:
>   
>> Hello,
>>
>> the data lumps system is critically affected if content-length is wrong
>> for UDP. The anchor_lump() calls abort() in the case content-length is
>> higher than actually body length. This can be prevented by called sanity
>> module to check the content length, however, I consider being too
>> drastic to have abort in such case, it would be better to return an
>> error and let the sip router process other messages. Opinions?
>>     
>
> Is this error the cause of so many segmentfaults in a reported bug?:
>   https://sourceforge.net/tracker/?func=detail&aid=2649470&group_id=139143&atid=743020
>
> I've tested it by sending spoofed SIP messages via UDP with wrong
> Content-Lenght and it's forwarded properly by Kamailio trunk (before
> the today commits), without warnings or errors.
> How to reproduce the problem?
>
>   
was content length higher than body length?

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
SIP Router Masterclass - Kamailio (OpenSER) Training
http://www.asipto.com/index.php/sip-router-masterclass/