[Freeswitch-users] How to set PIN after conference created?

Duncan Pierce duncan.pierce at gmail.com
Tue Mar 29 20:04:14 MSD 2011


Thanks for responding Michael. Do you have any hints for getting started
with implementing PIN security in the dialplan? I can see how a PIN could be
prompted for and gathered but I can't see how to "attach" a PIN to a
conference.

Best regards,
Duncan


On 29 March 2011 16:37, Michael Collins <msc at freeswitch.org> wrote:

> This is one of those cases where the devs tried very hard not to force
> feed specific functionality onto the user. The bottom line here is
> that the devs consider mod_conference's primary function to be that of
> getting channels into a conference, muxing the audio, etc. Things like
> PINs and security, etc. can all be handled in the dialplan. This is,
> indeed, by design. Instead of forcing the security into mod_conference
> itself we let the FS implementor decide how he/she wants to perform
> security functions. One advantage to doing all the security in the
> dialplan is that you have a lot of power and flexibility: you do
> security however YOU feel is best.
>
> I believe that if you start viewing PINs and security/privacy from the
> perspective that they are functions of the dialplan instead of
> functions of mod_conference then you will be able to solve your
> problem much easier.
>
> -MC
>
> On Tue, Mar 29, 2011 at 4:17 AM, Duncan Pierce <duncan.pierce at gmail.com>
> wrote:
> > Hi everyone,
> > I'm new to FreeSWITCH. I've managed to set up many features quite easily
> but
> > I'm struggling with mod_conference. I want to allow a user to create a
> > conference and set its PIN by dialling a special number
> > 81<conference_number>*<pin>:
> > <extension name="initiate_conference">
> > <condition field="destination_number" expression="^81(\d*)\*(\d*)$">
> > <action application="log" data="INFO Creating conference $1 with PIN
> $2"/>
> > <action application="answer"/>
> > <action application="conference" data="$1 at default+$2"/>
> > </condition>
> > </extension>
> > Other users can dial into the same conference using a different access
> > number, but are challenged for the PIN set by the first user:
> > <extension name="join_conference">
> > <condition field="destination_number" expression="^82(\d*)$">
> > <action application="answer"/>
> > <action application="conference" data="$1"/>
> > </condition>
> > </extension>
> > There is no <param name="pin" ...> set in <configuration
> > name="conference.conf"><profiles><profile name="default">.
> > I was expecting <action application="conference" data="$1 at default+$2"/>
> to
> > create the conference and set its PIN, so that a subsequent <action
> > application="conference" data="$1"/> would be challenged to provide the
> same
> > PIN. Instead what happens is the first caller has the required PIN set
> for
> > their call, but the second caller is not challenged to provide the PIN at
> > all.
> > Looking at the code in mod_conference.c on git checkout v1.0.6 I see
> there
> > only 2 ways conference->pin can be set: via <param name="pin" .../> in
> the
> > profile or via API 'conference $1 pin $2'. I was expecting there would be
> a
> > third way: assigning conference->pin = dpin when creating a new
> conference.
> > Although I find this a bit confusing it could be by design.
> > I tried using the API to set the PIN after the conference has been
> created
> > but I lack the knowledge to do this successfully. I've tried:
> > * <action application="set" data="result=${conference($1 pin $2)}"/>
> after
> > <action application="conference" data="$1 at default+$2"/> - no actions
> execute
> > after the <action application="conference">
> > * <action application="set" data="result=${conference($1 pin $2)}"/>
> before
> > <action application="conference" data="$1 at default+$2"/> -
> unsurprisingly, it
> > reports conference not found
> > * <action application="export" data="nolocal:api_on_answer=conference $1
> pin
> > $2"/> - appears not to execute but it's difficult to be sure in this case
> > Thanks in advance for any help you can provide!
> > Best regards,
> > Duncan
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> >
> >
>
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-- 
Duncan Pierce
duncanpierce.org
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