11 Dec
2017
11 Dec
'17
4:15 p.m.
Hi Carsten,
I'm working on this and I have got some progress, but unplanned two week
sick leave delayed my work a lot. What I have done so far:
- Fixed saving of security parameters in ims_usrloc_pcscf. My previous
patch didn't handle SHM allocation correctly. This is can be merged so I'll
open a pull request soon.
- New module which handles ipsec tunnel creation. For now the module
successfully registers SAs and policy via xfrm (no external bash scripts
involved) on incoming REGISTER.
What needs to be done:
- Cleanup of ipsec SAs and policy on subscriber detach, PCSCF graceful shut
down and PCSCF not so graceful shutdown.
- Module parameters for everything - for now all params are hardcoded.
The code is not very usable at the moment, mainly because there are a lot
of hardcoded parameters. I can share it if you wish.
Best regards,
Tsvetomir
On Mon, Dec 11, 2017 at 3:25 PM, Carsten Bock <carsten(a)ng-voice.com> wrote:
Hi Tsvetomir,
any updates regarding this? I believe otherwise, I would assign
ressources from our side for this in February/March next year.
However, I would want to avoid double work.
You can share it privately with me, if you don't want to publish it yet.
Thanks,
Carsten
2017-10-19 9:49 GMT+02:00 Tsvetomir Dimitrov <tsv.dimitrov(a)gmail.com>om>:
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ng-voice GmbH
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Hi Carsten,
Thanks for your responce and please excuse my late reply too. I'm still
working on the changes and will make a pull request as soon as I am
ready.
It will be a separate module which handles the
IPSec tunnel creation/tear
down, so that ims_register_pcscf won't be polluted with platform specific
functionality. You are right, that new module can be ifdef-ed and
replaced
with something *BSD specific or whatever OS
someone wants to use.
Best regards,
Tsvetomir
On Fri, Oct 13, 2017 at 6:21 AM, Carsten Bock <carsten(a)ng-voice.com>
wrote:
>
> Hi Tsvetomir,
>
> sorry for the late reply. I assume this mail got lost a bit in the
> days of Astricon. I even asked Daniel about this mail during Astricon,
> but he hadn't seen it yet. Right now, I'm officially on holiday....
>
> Can you please provide a Pull-Request for the changes?
>
> From my perspective, it is likely fine to have a Linux-Only module, it
> might not be the first one. If you can encapsulate your extensions
> with some IFDEF's, so the functionality can be disabled on non-Linux,
> then that would be fine with me.
>
> It would be great, if Daniel or anyone else from the Management-Group
> could answer or comment this one as well??
>
> Thanks,
> Carsten
>
> 2017-10-04 10:14 GMT-04:00 Tsvetomir Dimitrov <tsv.dimitrov(a)gmail.com>om>:
> > Hello,
> >
> > I am working on a functionality which handles ipsec tunel creation for
> > VoLTE
> > registration and I'd like to contribute it to the project. However the
> > code
> > is heavily Linux specific - uses xfrm framework, so it won't compile
on
> > distribution with older kernels and
definitely won't compile on *BSD.
> >
> > How problematic is this? How to handle this implementation so that it
> > gets
> > merged?
> >
> > Right now I can see two options:
> > 1. Implement the functionality in ims_register_pcscf.
> > 2. Implement separate ipsec module and handle the tunel creation/tear
> > down
> > from the configuration.
> >
> > The first solution is definitely the easiest one for implementation,
but
after my patch the module won't be as portable as
it is now and I'm
afraid
my patch will be rejected.
The second one separates the platform specific code in separate module
and
won't affect ims_register_pcscf. However I need data from
ims_usrloc_pcscf,
which is not accessible from the configuration. Also, writing separate
module for a limited IPSEC handling seems like a overkill for me.
What's your opinion?
Best regards,
Tsvetomir
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--
Carsten Bock
CEO (Geschäftsführer)
ng-voice GmbH
Millerntorplatz 1
20359 Hamburg / Germany
http://www.ng-voice.com
mailto:carsten@ng-voice.com
Office +49 40 5247593-40
Fax +49 40 5247593-99
Sitz der Gesellschaft: Hamburg
Registergericht: Amtsgericht Hamburg, HRB 120189
Geschäftsführer: Carsten Bock
Ust-ID: DE279344284
Hier finden Sie unsere handelsrechtlichen Pflichtangaben:
http://www.ng-voice.com/imprint/
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