__coturn: allow configuration of litening-ip

type/__coturn/files/turnserver.conf.sh

@@ -51,11 +51,19 @@ cat << EOF
 # Listener IP address of relay server. Multiple listeners can be specified.
 # If no IP(s) specified in the config file or in the command line options,
 # then all IPv4 and IPv6 system IPs will be used for listening.
-#
+
 #listening-ip=172.17.19.101
 #listening-ip=10.207.21.238
 #listening-ip=2607:f0d0:1002:51::4
 
+EOF
+
+for ip in $LISTENING_IPS; do
+    echo "listening-ip=$ip"
+done
+
+cat << EOF
+
 # Auxiliary STUN/TURN server listening endpoint.
 # Aux servers have almost full TURN and STUN functionality.
 # The (minor) limitations are:

type/__coturn/manifest

@@ -69,6 +69,11 @@ if [ -f "$__object/parameter/denied-peer" ]; then
     export DENIED_PEERS
 fi
 
+if [ -f "$__object/parameter/listening-ip" ]; then
+    LISTENING_IPS=$(cat "$__object/parameter/listening-ip")
+    export LISTENING_IPS
+fi
+
 if [ -f "$__object/parameter/cert" ]; then
     CERT=$(cat "$__object/parameter/cert")
     export CERT

type/__coturn/parameter/optional_multiple

@@ -1,2 +1,3 @@
 allowed-peer
 denied-peer
+listening-ip