[asterisk-dev] How to get SIP packet source ip address in asterisk application

[Alex Massover]

Hi!

I also want to access sip_pvt from custom application, I'm trying to follow your suggestion but AFAIU:
sip_pvt is defined in chan_sip.c and there's no header that I can include, so there's no way to access sip_pvt from custom application?

Accessing ((struct sip_pvt *) chan->tech_pvt)->callid  results in "error: dereferencing pointer to incomplete type"

Do I miss something? I'm using 1.4.

--
Best Regards,
Alex Massover
VoIP R&D TL
Jajah Inc.

> -----Original Message-----
> From: asterisk-dev-bounces at lists.digium.com [mailto:asterisk-dev-
> bounces at lists.digium.com] On Behalf Of Kai Hoerner
> Sent: Monday, November 16, 2009 9:28 AM
> To: Asterisk Developers Mailing List
> Subject: Re: [asterisk-dev] How to get SIP packet source ip address in
> asterisk application
>
> Hi,
>
> i suggest you leave the authentication to the asterisk SIP stack and
> only let the authenticated peer enter the right context that contains
> your call to Application().
>
>
> if you really plan to implement authentication on your own (i see no
> good reason for that) you should start by looking at the "ast_channel"
> and "sip_pvt" structs. "sip_pvt" holds all information about the active
> SIP "dialog" (i.e. "call" in this case)
>
> channel->tech_pvt is a pointer from the ast_channel abstraction to the
> SIP tech-specific object. (of type sip_pvt)
> Before accessing any of its properties you want to check if the channel
> is type SIP.
>
> http://www.asterisk.org/doxygen/asterisk1.6.2/structsip__pvt.html
>
>
> ast guy schrieb:
> > Hi,
> >
> >  I have made an application an asterisk. Can any one tell how do I
> get
> > the source IP address of the SIP packets inside my app_Application()?
> > Application only gets the ast_channel variable and *data passed to
> it.
> >
> > SIP Call is being forwarded to my application from some Service
> > Provider. So when app_Applicaiton() is in execute state then I want
> to
> > get the sip source packet ip address and then authenticate it.
> >
> > Regards,
> > /ag
> >
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