Cellular Network Infrastructure

Interestingly wireshark segfaults when trying to open https://jenkins.osmocom.org/jenkins/view/TTCN3-centos/job/TTCN3-centos-sip-test/lastSuccessfulBuild/artifact/logs/sip-tester/SIP_Tests.TC_mt_success_rel_sip.pcap - rebuilding current wireshark in the hope it actually allows me to look at the SIP messages.

From the IRC log:

23:07 <@LaF0rge> interestingly my wireshark segfaults when trying to open 
https://jenkins.osmocom.org/jenkins/view/TTCN3-centos/job/TTCN3-centos-sip-test/lastSuccessfulBuild/artifact/logs/sip-tester/SIP_Tests.TC_mt_success_rel_sip.pcap
23:09 < fixeria> does not crash on my machine :/
23:10 < fixeria> so maybe rebuilding master would help
23:13 < fixeria> although my wireshark does not want to decode packet#18 as SIP (despite being forced to 
                 using "Decode As") and shows raw bytes instead
23:17 < fixeria> LaF0rge: maybe that's the problem - there is no SIP header at all
23:18 < fixeria> the payload starts with "v=0..o=Osmocom" 
23:18 < fixeria> "Dynamic test case error: SIP Test Port: syntax error "v" -> unexpected character at 
                 character position 1." 

So somehow the sofia-sip library used on Centos8 produces malformed SIP messages without any SIP header. This needs to be investigated.

The sofia-sip provided by Ubuntu works, but centos does not offer sofia-sip, so we provide our own version based on a pristine copy of the source code which is unmaintained since 2011. As it turns out Ubuntu has fixes applied to it relating to strict aliasing violations, so that is most likely the issue we're seeing here, too.

I ran the ttcn3 sip test from my host with a osmo-sip-connector in a centos container, and merely building a rpm from the opensuse forge spec file (https://build.opensuse.org/package/show/openSUSE:Factory/sofia-sip) + debian sofia-sip repo that is listed as package source for the deb/ubuntu packages (https://salsa.debian.org/ron/sofia-sip debian branch) works, while our own package linked from the forge package build does not. The most reasonable fix was suggested by laforge - just create a source tarball from this and push it to our obs build once which should then be built for centos only + remove the linked package from osmo-ci/scripts/osmocom-obs-link.sh, daniel can you do that?

Can you check if the packages in https://build.opensuse.org/package/binaries/home:daniel_w:branches:openSUSE:Factory/sofia-sip/CentOS_8_Stream work for you?

If it does I can push it to osmocom:network...

re-assigning to daniel.

The rationale here is that he has plenty of OBS experience, while Hoernchen doesn't - and we want to solve this in an economic number of hours...

daniel wrote:

Can you check if the packages in https://build.opensuse.org/package/binaries/home:daniel_w:branches:openSUSE:Factory/sofia-sip/CentOS_8_Stream work for you?

If it does I can push it to osmocom:network...

daniel I just cleaned up the ancient openSUSE package...
(source and patch are from the debian package)
https://build.opensuse.org/package/show/home:mnhauke/sofia-sip
https://build.opensuse.org/request/show/811245

roox wrote:

daniel I just cleaned up the ancient openSUSE package...
(source and patch are from the debian package)
https://build.opensuse.org/package/show/home:mnhauke/sofia-sip
https://build.opensuse.org/request/show/811245

Great, thanks!
With that package https://jenkins.osmocom.org/jenkins/view/TTCN3-centos/job/TTCN3-centos-sip-test/ is passing.
I'll redirect the link once the request went through.

The changes are now in openSUSE:Factory, so linking there again.

https://build.opensuse.org/request/show/811435