Hi Ben,
Found it, thank you.
Regards,
Bogdan
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit 2019
https://www.opensips.org/events/Summit-2019Amsterdam/
On 12/07/2018 08:10 PM, Ben Newlin wrote:
Bogdan,
Certainly. I was going to ask next if that would be a better place to
report the issue.
I have opened an issue here:
https://github.com/OpenSIPS/opensips/issues/1555
Ben Newlin
*From: *Bogdan-Andrei Iancu <[email protected]>
*Date: *Friday, December 7, 2018 at 12:16 PM
*To: *OpenSIPS users mailling list <[email protected]>, Ben
Newlin <[email protected]>
*Subject: *Re: [OpenSIPS-Users] UAC module causing malformed CANCEL
Hi Ben,
Thanks for the report - could you please open a bug report on GITHUB
with the relevant information ? It will be easier for us to track it.
Best regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit 2019
https://www.opensips.org/events/Summit-2019Amsterdam/
On 12/05/2018 05:17 PM, Ben Newlin wrote:
Hello,
I have found an issue with using the UAC module to replace the
From/To headers. When one of these headers is the last header in a
SIP INVITE, the UAC module is injecting an extra line break in
subsequent CANCEL requests causing an invalid request. This
happens when either of these headers are the last header in the
originally received INVITE, but also if they become the last
header due to modifications made to the original INVITE, e.g. if
the last 2 headers were To followed by P-Asserted-Identity and the
script processing calls remove_hf(“P-Asserted-Identity”) thus
making the To header last.
I have only seen this happen on a CANCEL request. Other sequential
requests like BYE or re-INVITE are not malformed.
A tcpdump capture of the message sequence can be found here:
https://pastebin.com/myDVU5Jz <https://pastebin.com/myDVU5Jz>.
Note the extra whitespace line in the second CANCEL message
forwarded from OpenSIPS (203.0.113.3).
Ben Newlin
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