Hi Cindy!

for TCP: the error seems to occur while reading the message. Are you sure the error route is not called for this type? for UDP: Are you passing any flags to the sipmsg_validate() function? Have you tried using the 's' flag [1]?

[1] http://www.opensips.org/html/docs/modules/1.9.x/sipmsgops.html#id293070

Best regards,

Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 03/22/2013 02:30 AM, Cindy Leung wrote:
Hi all,

So we encountered a malformed SIP message one day that looks like this...

INVITE sip:[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 127.0.1.1:5060;branch=z9hG4bK-15598-12-0
From: sipp <sip:[email protected]>;tag=12
To: <sip:[email protected]:5060>
Call-ID: [email protected]
CSeq: 1 INVITE
Contact: "1234" <sip:[email protected]:5060;transport=udp>
User-Agent: SIPp
Max-Forwards: 70
Content-Type: application/sdp
Content-Lenght: 0

Typo in Content-Length.

This message successfully passed through error_route and sipmsg_validate() and continue through the rest of the config. Interesting enough, I get different errors when I send it over different protocol.

TCP:
/usr/local/sbin/opensips[18814]: ERROR:core:tcp_read_req: bad request, state=4, error=4 buf: <SIP message here>

UDP:
/usr/local/sbin/opensips[18804]: ERROR:core:clen_builder: no message body found (missing crlf?) /usr/local/sbin/opensips[18804]: ERROR:core:build_req_buf_from_sip_req: failed to adjust Content-Length /usr/local/sbin/opensips[18804]: ERROR:tm:print_uac_request: no more shm_mem /usr/local/sbin/opensips[18804]: ERROR:tm:t_forward_nonack: failure to add branches

Can you let me know if I have missed anything please?  Thanks!


Cindy


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