Added support to bypass TransNexus STIR/SHAKEN when calling emergency…

… numbers
dOpensource · May 16, 2022 · 9268975 · 9268975
1 parent 43da59b
commit 9268975
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Showing 2 changed files with 28 additions and 13 deletions.
diff --git a/kamailio/kamailio_dsiprouter.cfg b/kamailio/kamailio_dsiprouter.cfg
@@ -10,7 +10,7 @@
 #!define WITH_ACCDB
 #!define WITH_DROUTE
 ##!define WITH_DEBUG
-##!define WITH_DEBUG_SIP
+#!define WITH_DEBUG_SIP
 #!define WITH_NAT
 #!define WITH_DISPATCHER
 #!define WITH_CALLLIMIT
@@ -31,10 +31,10 @@
 ####### Defined Constants with String Replacement #########
 
 #!substdef "!DSIP_VERSION!0.643!g"
-#!substdef "!INTERNAL_IP_ADDR!159.223.190.36!g"
-#!substdef "!INTERNAL_IP_NET!159.223.190.*!g"
-#!substdef "!EXTERNAL_IP_ADDR!159.223.190.36!g"
-#!substdef "!EXTERNAL_FQDN!nightly.customers.dsiprouter.net!g"
+#!substdef "!INTERNAL_IP_ADDR!159.223.169.178!g"
+#!substdef "!INTERNAL_IP_NET!159.223.169.*!g"
+#!substdef "!EXTERNAL_IP_ADDR!159.223.169.178!g"
+#!substdef "!EXTERNAL_FQDN!dev-dsip-master0!g"
 #!substdef "!INBOUND_NLB_FQDN!!g"
 #!substdef "!OUTBOUND_NLB_FQDN!!g"
 #!substdef "!SIP_PORT!5060!g"
@@ -51,12 +51,12 @@ import_file "kamailio-local.cfg"
 #!ifdef WITH_MYSQL
 #!ifdef WITH_DBCLUSTER
 #!define DBURL "cluster://dbcluster"
-#!define SQLCONN_KAM "kam=>mysql://kamailio:VYDAgEsYHw8KVg1xZmWvLiMLRBoA90bG07jLSbNpBa3DQ8eJpSgxg5a9PjRE4yId@localhost:3306/kamailio"
-#!define SQLCONN_AST "asterisk=>mysql://kamailio:VYDAgEsYHw8KVg1xZmWvLiMLRBoA90bG07jLSbNpBa3DQ8eJpSgxg5a9PjRE4yId@localhost:3306/kamailio"
+#!define SQLCONN_KAM "kam=>mysql://kamailio:ECW6c9vD6innq21UBrRF54A0CGirGxLk9hjeeeGZs6AXHIrgo2gJGW5K8o1gh7PD@localhost:3306/kamailio"
+#!define SQLCONN_AST "asterisk=>mysql://kamailio:ECW6c9vD6innq21UBrRF54A0CGirGxLk9hjeeeGZs6AXHIrgo2gJGW5K8o1gh7PD@localhost:3306/kamailio"
 #!else
-#!define DBURL "mysql://kamailio:VYDAgEsYHw8KVg1xZmWvLiMLRBoA90bG07jLSbNpBa3DQ8eJpSgxg5a9PjRE4yId@localhost:3306/kamailio"
-#!define SQLCONN_KAM "kam=>mysql://kamailio:VYDAgEsYHw8KVg1xZmWvLiMLRBoA90bG07jLSbNpBa3DQ8eJpSgxg5a9PjRE4yId@localhost:3306/kamailio"
-#!define SQLCONN_AST "asterisk=>mysql://kamailio:VYDAgEsYHw8KVg1xZmWvLiMLRBoA90bG07jLSbNpBa3DQ8eJpSgxg5a9PjRE4yId@localhost:3306/kamailio"
+#!define DBURL "mysql://kamailio:ECW6c9vD6innq21UBrRF54A0CGirGxLk9hjeeeGZs6AXHIrgo2gJGW5K8o1gh7PD@localhost:3306/kamailio"
+#!define SQLCONN_KAM "kam=>mysql://kamailio:ECW6c9vD6innq21UBrRF54A0CGirGxLk9hjeeeGZs6AXHIrgo2gJGW5K8o1gh7PD@localhost:3306/kamailio"
+#!define SQLCONN_AST "asterisk=>mysql://kamailio:ECW6c9vD6innq21UBrRF54A0CGirGxLk9hjeeeGZs6AXHIrgo2gJGW5K8o1gh7PD@localhost:3306/kamailio"
 #!endif
 #!endif
 
@@ -258,7 +258,10 @@ server.pbx_invite_timeout_aftertry = 52000 desc "PBX INVITE timeout value if a S
 
 # DSIPRouter API Server Settings
 server.api_server = "https://127.0.0.1:5000" desc "URL to the DSIPRouter API Server"
-server.api_token = "HAcLvpp1FDdwGU9k58lZF8tmYtYxY3ediZ3A5HiLsf6TQj9ssVSbUZp36ZO2sCaB" desc "API Token for DSIPRouter API Server"
+server.api_token = "ZoMyR23hgZ0Q9wzVeLdmhCHPB9mQ73XaOm5NF0zf1xWkp1YQEWYyrNCxWmqrxL8H" desc "API Token for DSIPRouter API Server"
+
+# Emergency Numbers
+server.emergency_numbers = "^([2-9]11|112|999|000|988|933)$" desc "Emergency Numbers"
 
 # Transnexus External STIR/SHAKEN Support
 transnexus.authservice_lrn_enabled = 0 # Enable LRN for authservice
@@ -1117,6 +1120,10 @@ route[NEXTHOP] {
 		$avp(carrier_groupid) = FLT_OUTBOUND;
 #!endif
 
+		# Keep track of the original $rU
+		# var(original_rU) is marked for removal
+		$var(orig_rU) = $rU;
+
 		if (do_routing($avp(carrier_groupid))) {
 			$avp(dst_gwid) = $(avp(dr_attrs){s.select,0,,});
 			$avp(dst_gwtype) = $(avp(dr_attrs){s.select,1,,});
@@ -1830,7 +1837,7 @@ route[LOCATION] {
 	# N11 Ref: https://nationalnanpa.com/number_resource_info/n11_codes.html
 	# On 2020-Jul-16 the FCC also adopted 988 as an N11 number
 	# 988 Adoption Refs: https://www.fcc.gov/document/fcc-designates-988-national-suicide-prevention-lifeline
-	if ($rU =~ "^([2-9]11|112|999|000|988)$") {
+	if ($rU =~ $sel(cfg_get.server.emergency_numbers)) {
 		return;
 	}
 

diff --git a/kamailio/kamailio_transnexus.inc b/kamailio/kamailio_transnexus.inc
@@ -1,5 +1,13 @@
 route[TRANSNEXUS_OUTBOUND] {
-
+
+      	xlog("L_INFO", "Transnexus Outbound Logic - original: $var(orig_rU)");
+
+	# Return if emergency route
+	if ( $var(orig_rU) =~ $sel(cfg_get.server.emergency_numbers) ) {
+		return;
+	}	
+
+
 	# Only route if request is coming from an Endpoint
 	# and is an INVITE