fix: Updates coturn config on update. (#7306)

* fix: Updates coturn config on update.

* fix: Updates console message.

debian/jitsi-meet-turnserver.postinst

@@ -87,9 +87,36 @@ case "$1" in
         if [[ -f $TURN_CONFIG ]] ; then
             echo "------------------------------------------------"
             echo ""
-            echo "turnserver is already configured on this machine, skipping."
+            echo "turnserver is already configured on this machine."
             echo ""
             echo "------------------------------------------------"
+
+            if grep -q "jitsi-meet coturn config" "$TURN_CONFIG" && ! grep -q "jitsi-meet coturn relay disable config" "$TURN_CONFIG" ; then
+                echo "Updating coturn config"
+                echo "# jitsi-meet coturn relay disable config. Do not modify this line
+no-multicast-peers
+no-cli
+no-loopback-peers
+no-tcp-relay
+denied-peer-ip=0.0.0.0-0.255.255.255
+denied-peer-ip=10.0.0.0-10.255.255.255
+denied-peer-ip=100.64.0.0-100.127.255.255
+denied-peer-ip=127.0.0.0-127.255.255.255
+denied-peer-ip=169.254.0.0-169.254.255.255
+denied-peer-ip=127.0.0.0-127.255.255.255
+denied-peer-ip=172.16.0.0-172.31.255.255
+denied-peer-ip=192.0.0.0-192.0.0.255
+denied-peer-ip=192.0.2.0-192.0.2.255
+denied-peer-ip=192.88.99.0-192.88.99.255
+denied-peer-ip=192.168.0.0-192.168.255.255
+denied-peer-ip=198.18.0.0-198.19.255.255
+denied-peer-ip=198.51.100.0-198.51.100.255
+denied-peer-ip=203.0.113.0-203.0.113.255
+denied-peer-ip=240.0.0.0-255.255.255.255" >> $TURN_CONFIG
+
+                invoke-rc.d coturn restart || true
+            fi
+
             db_stop
             exit 0
         fi

doc/debian/jitsi-meet-turn/turnserver.conf

@@ -17,6 +17,7 @@ no-tlsv1
 no-tlsv1_1
 # https://ssl-config.mozilla.org/#server=haproxy&version=2.1&config=intermediate&openssl=1.1.0g&guideline=5.4
 cipher-list=ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
+# jitsi-meet coturn relay disable config. Do not modify this line
 denied-peer-ip=0.0.0.0-0.255.255.255
 denied-peer-ip=10.0.0.0-10.255.255.255
 denied-peer-ip=100.64.0.0-100.127.255.255