Thanks for replying ! But how to check whether a particular message received by Kamailio was sent by UAC or SIP Server ? Also, on the same lines - how to know whether a particular message about to be send from Kamailio is bound to UAC or SIP Server ?
On Tue, Sep 16, 2014 at 10:51 PM, Muhammad Shahzad <shaherya...@gmail.com> wrote: > Hi, > > The network io intercept feature basically allows kamailio script writer > to do whatever s/he may want to do with raw SIP packets (that are just > received by kamailio or about to be sent out by kamailio), e.g. encryption, > compression or any final touches to sip message before it is processed by > kamailio core. That is why it is purposely kept abstract and any particular > use or implementation is left to the script writer. > > In your case the encryption / decryption code is in C/C++, you can try one > of the followings, > > 1. Writeup a C/C++ program that receives outgoing SIP message as text (and > some other parameters, e.g. encryption key) in input arguments and returns > the encrypted message in event_route [ network:msg ] and vice versa (for > incoming messages). You can call this program directly from kamailio.cfg > script. > > 2. Writeup e.g. a PERL wrapper for your encryption / decryption C/C++ code > and call it using kamailio app_perl module within event_route [ network:msg > ] as demonstrated in this example, > > http://kamailio.org/docs/modules/devel/modules/corex.html#idp125704 > > You can also use any other kamailio language bind of you choice as well, > e.g. Python, LUA, JAVA and so on. > > I would recommend the second option, as it has less processing overhead > for kamailio. > > Thank you. > > > > On Tue, Sep 16, 2014 at 6:09 PM, Rahul MathuR <rahul.ultim...@gmail.com> > wrote: > >> Hello, >> >> I was going through the new features and stumbled upon this new one - >> developed by Mohd. Shahzad Shafi. >> As already mentioned on the wiki about this module, I intend to use it >> for my custom security layer between UACs and SIP Proxy (Kamailio) but the >> issue is - the custom security layer (encryption/decryption code) is >> written in C and should precisely be applied for the messages between UAC >> and Proxy. >> >> Is there a way I can achieve this using Corex module since it does >> intercept the network I/O messages ? >> >> Any help here would be really appreciated. >> >> -- >> Warm Regds. >> MathuRahul >> >> _______________________________________________ >> sr-dev mailing list >> sr-...@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev >> >> > > _______________________________________________ > sr-dev mailing list > sr-...@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev > > -- Warm Regds. MathuRahul
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