[Serusers] Restrict registration to one user per login

[Dana Olson]

avpops is only in CVS, right? CVS also has max_contacts for the
registrar module, which kinda does the same thing. Stable has no such
option to my knowledge.
--
Dana



On Wed, 23 Mar 2005 14:09:22 +0100, Marian Dumitru
<marian.dumitru at voice-sistem.ro> wrote:
> Hi Paul,
> 
> You are right - maybe a better approach will be to use the registered()
> function - it returns true if the AOR in the Request-URI is registered.
> To do the trick for REGISTER requests, use avpops so copy the From or To
> uri into RURI before checking - then you can to revert_uri() to restore
> to original value,
> 
> I haven't tried it , it's just an idea.
> 
> Best regards,
> Marian
> 
> Java Rockx wrote:
> > FYI, exec_msg is highly not recommended because it is "expensive" in
> > terms of processing.
> >
> > Regards,
> > Paul
> >
> >
> > On Tue, 22 Mar 2005 10:37:58 +0100, Jffdsaklj dsjk <jjjaime at gmail.com> wrote:
> >
> >>Finally I found a solution. I've attached the block I included in the
> >>SER cfg file.
> >>The problem (big problem) is that after a day (more or less), there
> >>are defunct processes. I think it's a problem of the exec_msg
> >>sentence, but I'm not sure. With these defunct processes, SER crashed.
> >>:(
> >>
> >>  ######################################################################
> >>  # This block of code controls the user registration
> >>  if (method=="REGISTER") {
> >>
> >>   # Enable authentication
> >>   if (!www_authorize("galeno.hi.inet","subscriber")) {
> >>    www_challenge("galeno.hi.inet","0");
> >>    break;
> >>   };
> >>
> >>   ####
> >>   # This block prevents a user from registering with a login
> >>previously registered from another machine
> >>   #
> >>   # Verify it's not a deregistration message
> >>   if (!search("Expires: 0")) {
> >>     # It's a registration message
> >>     # Verify that there's no register in the table location with the
> >>same user but from a differente machine
> >>     if (
> >>          !exec_msg('
> >>               USUARIO=`echo $SIP_HF_FROM | sed -n "s/<sip:\(.*\)@.*/\1/p"`;
> >>               QUERY="select username from location where
> >>username=\"$USUARIO\" and contact not like \"sip:$SIP_SRCIP:%\"";
> >>               RESULT=`mysql -uXXX -pXXX -e "$QUERY" ser`;
> >>               if [ -z "$RESULT" ]; then exit 0; else echo "The user
> >>$USUARIO is already registered" >> /var/log/serprueba.log; exit 1;
> >>fi;')
> >>     ) {
> >>       # The user is already registered
> >>       sl_send_reply("404", "Not Found");
> >>       break;
> >>     };
> >>   }
> >>   ####
> >>
> >>   save("location");
> >>   break;
> >>  };
> >>  #####################################################################
> >>
> >>On Wed, 16 Mar 2005 17:11:01 +0100, Klaus Darilion
> >><klaus.mailinglists at pernau.at> wrote:
> >>
> >>>Hi Jffdsaklj! (must be a hard life living with such a name)
> >>>
> >>>And how will you distinguish between an invalid registration and a valid
> >>>re-registration from a new IP address?
> >>>
> >>>regards,
> >>>klaus
> >>>
> >>>Jffdsaklj dsjk wrote:
> >>>
> >>>>How can we restrict the registration to only one user per login?.
> >>>>Currently, you can register with the same login/password in different
> >>>>machines at the same time. But what we require is that only the first
> >>>>registration is valid and the rest ones are invalidated by the SER.
> >>>>Thanks
> 
> --
> Voice System
> http://www.voice-system.ro
> 
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