[Users] avp_subst re problem

[Klaus Darilion]

Hi Andreas!

I have not take a look at your regexp, but maybe my code for parsing 
P-Asserted-Identity helps.

regards
klaus





route[7] {
 
xlog("L_INFO","======================================================================='\n");
   xlog("L_INFO","body of P-Asserted-Identity: header is 
'$hdr(P-Asserted-Identity)'\n");

   # fetch and parse P-Asserted-Identity

   avp_write("$hdr(P-Asserted-Identity)","$avp(s:pai)");
   xlog("L_INFO","$$avp(s:pai) = '$avp(s:pai)'\n");

   # check if addr-spec or name-addr and convert to addr-spec
   if (avp_check("$avp(s:pai)","re/.*<.*>.*")) {
     xlog("L_INFO","P-Asserted-Identity header is in name-addr format, 
fetch addr-spec\n");
     if 
(!avp_subst("$avp(s:pai)/$avp(s:paias)","/<[[:blank:]]*tel:([^[[:blank:]]]+)[[:blank:]]*>/\1/")) 
{
       xlog("L_INFO","ERROR: failed to fetch name-addr 1\n");
     }
   } else {
     avp_copy("$avp(s:pai)","$avp(s:paias)");
   }
   xlog("L_INFO","P-Asserted-Identity addr-spec = '$avp(s:paias)', fetch 
tel URI\n");

   if 
(avp_subst("$avp(s:paias)/$avp(s:cli)","/^tel:(\+[0-9\-\.\/]+)(.*)$/\1/")) {
     xlog("L_INFO","tel URI with E.164 number found, CLI = 
'$avp(s:cli)'\n");
     avp_subst("$avp(s:clitemp)/$avp(s:cli)","/\+/00/");
   } else if 
(avp_subst("$avp(s:paias)/$avp(s:cli)","/^tel:(\[0-9\-\.\/]+)(.*)$/\1/")) {
     xlog("L_INFO","tel URI with local number found, CLI = 
'$avp(s:cli)'\n");
 
avp_subst("$avp(s:paias)/$avp(s:params)","/^tel:(\[0-9\-\.\/]+)(.*)$/\2/");
     xlog("L_INFO","tel URI with local number found, params = 
'$avp(s:params)'\n");
     if 
(avp_subst("$avp(s:params)/$avp(s:context)","/^.+;phone-context=(^;).*/\1/")) 
{
       xlog("L_INFO","tel URI with local number found, phone-context = 
'$avp(s:context)'\n");
     } else {
       xlog("L_INFO","ERROR: local number without context\n");
     }
   } else {
     xlog("L_INFO","'$avp(s:paias)' is not a valid tel URI \n");
   }

   # evaluate privacy header (CLIR)
   avp_write("$hdr(Privacy)","$avp(s:privacy)");
   if ( avp_check("$avp(s:privacy)","re/id/i") ) {
     uac_replace_from("Anonymous","sip:anonymous at invalid");
     remove_hf("P-Asserted-Identity");
   } else {
     uac_replace_from("$avp(s:cli)","sip:$avp(s:cli)@mydomain.com");
     remove_hf("P-Asserted-Identity");
   }

   avp_print();
}










Andreas Heise wrote:
> 
> Hello,
> I tried to use avp_subst to extract the part <......> of a Remote-Party-ID
> 
>   $avp(s:merker)= Remote-Party-ID: 
> "test"<sip:12345 at localhost>;party=calling;id-type=subscriber;screen=yes;privacy=full 
> 
>   avp_subst("$avp(s:merker)/$avp(s:merker1)", "/(.*)>(.*)/\1>/");
> 
> the result for merker1 is     Remote-Party-ID: "test"<sip:12345 at localhost>
> 
> what must I change in the re to get this result?    <sip:12345 at localhost>
> 
> 
> thanks in advance,
> Andreas
> 
> 
> 
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-- 
Klaus Darilion
nic.at