workaround for IP in domain

kamailio/rate-limiter-role.cfg

@@ -9,6 +9,7 @@ modparam("htable", "htable", "rate_limits=>initval=-1;autoexpire=60")     # init
 #!trydef RATE_LIMIT_MESSAGE "Over rate Limit"
 #!trydef RATE_LIMIT_CODE "603"
 
+#!trydef IP_REGEX "[0-9]{1,3}\.[0-9]{1,3}.[0-9]{1,3}\.[0-9]{1,3}"
 route[DOS_PREVENTION_REPLY] {
     setflag(FLAG_IS_REPLY);
     route(DOS_PREVENTION);
@@ -35,8 +36,8 @@ route[DOS_PREVENTION] {
     }
 
     # For BYE method we use REALM from To SIP header
-    if (is_method("BYE")) {
-        xlog("L_WARNING","$ci|RL-realm log| Fixup for BYE method with IP in from URI: use to-domain");
+    if ($fd =~ IP_REGEX) {
+        xlog("L_WARNING","$ci|RL-realm log| Fixup for $rm method with IP in from URI: use to-domain");
         $var(ltpm_realm) = $td+"/TOTAL/min";
         $var(ltps_realm) = $td+"/TOTAL/sec";
         $var(ltpm_device) = $fU+"@"+$td+"/TOTAL/min";
@@ -66,8 +67,8 @@ route[DOS_PREVENTION] {
     }
 
     if (not_empty("$fU")) {
-        if (is_method("BYE")) {
-            xlog("L_WARNING","$ci|RL-realm log| Fixup for BYE method with IP in from URI: use to-domain");
+        if ($fd =~ IP_REGEX) {
+            xlog("L_WARNING","$ci|RL-realm log| Fixup for $rm method with IP in from URI: use to-domain");
             $var(entity) = $fU+"@"+$td;
         } else {
             $var(entity) = $fU+"@"+$fd;
@@ -152,8 +153,8 @@ route[DOS_PREVENTION] {
         }
     }
 
-    if (is_method("BYE")) {
-        xlog("L_WARNING","$ci|RL-device log| Fixup for BYE method with IP in from URI: use to-domain");
+    if ($fd =~ IP_REGEX) {
+        xlog("L_WARNING","$ci|RL-device log| Fixup for $rm method with IP in from URI: use to-domain");
         $var(entity) = $td;
     } else {
         $var(entity) = $fd;
@@ -169,9 +170,9 @@ route[DOS_PREVENTION] {
 
     route(DO_DOS_PREVENTION);
     if ( not_empty("$fU") ) {
-        if (is_method("BYE")) {
+        if ($fd =~ IP_REGEX) {
             $var(entity) = $fU+"@"+$td;
-            xlog("L_WARNING","$ci|RL-device log| Fixup for BYE method with IP in from URI: use to-domain");
+            xlog("L_WARNING","$ci|RL-device log| Fixup for $rm method with IP in from URI: use to-domain");
         } else {
             $var(entity) = $fU+"@"+$fd;
         }