<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Razvan,</div><div><br></div><div>This is a part of the config that's supposed to catch parse errors:</div><div><br></div><div><div><font class="Apple-style-span" face="'Courier New'">error_route{</font></div><div><font class="Apple-style-span" face="'Courier New'"><span class="Apple-tab-span" style="white-space:pre"> xlog ("Entering error route");</span></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'"> # SIP message parse error </font></div><div><font class="Apple-style-span" face="'Courier New'"> if ( $(err.class)==1 ) {</font></div><div><font class="Apple-style-span" face="'Courier New'"> xlog ("Parse error from $si:$sp");</font></div><div><font class="Apple-style-span" face="'Courier New'"> xlog ("$mb");</font></div><div><font class="Apple-style-span" face="'Courier New'"> sl_send_reply("$err.rcode", "$err.rreason");</font></div><div><font class="Apple-style-span" face="'Courier New'"> exit;</font></div><div><font class="Apple-style-span" face="'Courier New'"> }</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'"> else {</font></div><div><font class="Apple-style-span" face="'Courier New'"> xlog ("Error class=$(err.class) level=$(err.level) info=$(<a href="http://err.info">err.info</a>)");</font></div><div><font class="Apple-style-span" face="'Courier New'"> }</font></div><div><font class="Apple-style-span" face="'Courier New'">}</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">route{</font></div><div><font class="Apple-style-span" face="'Courier New'"> if ( !sipmsg_validate() ) {</font></div><div><font class="Apple-style-span" face="'Courier New'"> xlog ("Bad request from $si:$sp");</font></div><div><font class="Apple-style-span" face="'Courier New'"> xlog ("$mb");</font></div><div><font class="Apple-style-span" face="'Courier New'"> sl_send_reply("400", "Bad Request");</font></div><div><font class="Apple-style-span" face="'Courier New'"> exit;</font></div><div><font class="Apple-style-span" face="'Courier New'"> }</font></div></div><div><font class="Apple-style-span" face="'Courier New'">...</font></div><div><br></div><div>I'm sure it didn't go through error route for TCP because none of the xlog messages showed up in syslog.</div><div>I've also tried "s", "sh", and nothing as flags for sipmsg_validate. Same error every time.</div><div><br></div><div>Thanks.</div><div><br></div><div><br></div><div>Cindy</div><div><br></div><br><div><div>On Mar 25, 2013, at 1:26 PM, Răzvan Crainea wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<div text="#000000" bgcolor="#FFFFFF">
<div class="moz-cite-prefix"><tt>Hi Cindy!<br>
<br>
for TCP: the error seems to occur while reading the message. Are
you sure the error route is not called for this type?<br>
for UDP: Are you passing any flags to the sipmsg_validate()
function? Have you tried using the 's' flag [1]?<br>
<br>
[1] </tt><a href="http://www.opensips.org/html/docs/modules/1.9.x/sipmsgops.html#id293070">http://www.opensips.org/html/docs/modules/1.9.x/sipmsgops.html#id293070</a><br>
<br>
Best regards,<br>
<pre class="moz-signature" cols="72">Razvan Crainea
OpenSIPS Core Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com/">http://www.opensips-solutions.com</a>
</pre>
On 03/22/2013 02:30 AM, Cindy Leung wrote:<br>
</div>
<blockquote cite="mid:D3BEFA1C-81E3-419A-9248-B0BFA42CE4E5@gmail.com" type="cite">Hi all,
<div><br>
</div>
<div>So we encountered a malformed SIP message one day that looks
like this...</div>
<div><br>
</div>
<div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">INVITE <a moz-do-not-send="true" href="sip:2345@my.opensips.server.IP:5060">sip:2345@my.opensips.server.IP:5060</a>
SIP/2.0</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Via: SIP/2.0/UDP
127.0.1.1:5060;branch=z9hG4bK-15598-12-0</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">From: sipp <<a moz-do-not-send="true" href="sip:1234@127.0.1.1">sip:1234@127.0.1.1</a>>;tag=12</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">To: <<a moz-do-not-send="true" href="sip:2345@">sip:2345@</a></font><span class="Apple-style-span" style="font-family: 'Courier New'; ">my.opensips.server.IP</span><font class="Apple-style-span" face="'Courier New'">:5060></font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:12-15598@127.0.1.1">12-15598@127.0.1.1</a></font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">CSeq: 1 INVITE</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Contact: "1234" <<a moz-do-not-send="true" href="sip:1234@127.0.1.1:5060;transport=udp">sip:1234@127.0.1.1:5060;transport=udp</a>></font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">User-Agent: SIPp</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Max-Forwards: 70</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Content-Type: application/sdp</font></div>
<div style="margin-top: 0px; margin-right: 0px; margin-bottom:
0px; margin-left: 0px; font: normal normal normal 12px/normal
Helvetica; "><font class="Apple-style-span" face="'Courier
New'">Content-Lenght: 0</font></div>
</div>
<div><br>
</div>
<div>Typo in Content-Length.</div>
<div><br>
</div>
<div>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.</div>
<div><br>
</div>
<div>TCP:</div>
<div>/usr/local/sbin/opensips[18814]: ERROR:core:tcp_read_req: bad
request, state=4, error=4 buf: <SIP message here></div>
<div><br>
</div>
<div>UDP:</div>
<div>
<div>/usr/local/sbin/opensips[18804]: ERROR:core:clen_builder:
no message body found (missing crlf?)</div>
<div>/usr/local/sbin/opensips[18804]:
ERROR:core:build_req_buf_from_sip_req: failed to adjust
Content-Length</div>
<div>/usr/local/sbin/opensips[18804]:
ERROR:tm:print_uac_request: no more shm_mem</div>
<div>/usr/local/sbin/opensips[18804]: ERROR:tm:t_forward_nonack:
failure to add branches</div>
</div>
<div><br>
</div>
<div>Can you let me know if I have missed anything please?
Thanks!</div>
<div><br>
</div>
<div><br>
</div>
<div>Cindy</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
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</pre>
</blockquote>
<br>
</div>
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