Merge b5fae8bb733d43faa7804168c950918cfddb1827 into bb01f26f068b8e083e35fdf19dc9b36f8cf67068

packages/node_modules/@node-red/editor-client/src/sass/editor.scss

@@ -231,6 +231,12 @@ button.red-ui-tray-resize-button {
         border: 1px solid var(--red-ui-secondary-border-color);
         max-width: 450px;
     }
+    .form-row > div.form-tips {
+        width: 70%;
+        display: inline-block;
+        box-sizing: border-box;
+        max-width: 350px; // 100 less for label width
+    }
     .form-tips code {
         border: none;
         padding: auto;

packages/node_modules/@node-red/nodes/core/network/31-tcpin.html

@@ -23,6 +23,12 @@
         </select>
         <span data-i18n="tcpin.label.port"></span> <input type="text" id="node-input-port" style="width:65px">
     </div>
+
+    <div class="form-row inbound-disabled-tip">
+        <label> &nbsp; </label>
+        <div class="form-tips" data-i18n="tcpin.tip.inbound-disabled"></div>
+    </div>
+
     <div class="form-row hidden" id="node-input-host-row" style="padding-left:110px;">
         <span data-i18n="tcpin.label.host"></span> <input type="text" id="node-input-host" placeholder="localhost" style="width: 60%;">
     </div>
@@ -70,7 +76,9 @@
         color: "Silver",
         defaults: {
             name: {value:""},
-            server: {value:"server", required:true},
+            server: {
+                value: RED.settings.tcpInAllowInboundConnections === false ? "client" : "server", 
+            },
             host: {
                 value:"",
                 validate:function(v, opt) {
@@ -107,8 +115,14 @@
                 var sockettype = $("#node-input-server").val();
                 if (sockettype == "client") {
                     $("#node-input-host-row").show();
+                    $(".form-row.inbound-disabled-tip").addClass("hide")
                 } else {
                     $("#node-input-host-row").hide();
+                    if(RED.settings.tcpInAllowInboundConnections === false) {
+                        $(".form-row.inbound-disabled-tip").removeClass("hide")
+                    } else {
+                        $(".form-row.inbound-disabled-tip").addClass("hide")
+                    }
                 }
                 var datamode = $("#node-input-datamode").val();
                 var datatype = $("#node-input-datatype").val();
@@ -142,6 +156,11 @@
             $("#node-input-usetls").on("click",function() {
                 updateTLSOptions();
             });
+            setTimeout(function() {
+                // form tips have a max-width to prevent the initial edit form size calc making it overly large.
+                // once the form is built and displayed, remove the size limit so that it sizes with the other elements.
+                $('.form-tips').css({"max-width": "unset"})
+            }, 500)
         },
         oneditsave: function() {
             if (!$("#node-input-usetls").is(':checked')) {
@@ -162,7 +181,10 @@
         </select>
         <span id="node-input-port-row"><span data-i18n="tcpin.label.port"></span> <input type="text" id="node-input-port" style="width: 65px"></span>
     </div>
-
+    <div class="form-row inbound-disabled-tip">
+        <label> &nbsp; </label>
+        <div class="form-tips" data-i18n="tcpin.tip.inbound-disabled"></div>
+    </div>
     <div class="form-row hidden" id="node-input-host-row" style="padding-left: 110px;">
         <span data-i18n="tcpin.label.host"></span> <input type="text" id="node-input-host" style="width: 60%;">
     </div>
@@ -242,16 +264,23 @@
                     $("#node-input-host-row").hide();
                     $("#node-input-end-row").hide();
                     $("#node-input-tls-enable").hide();
+                    $(".form-row.inbound-disabled-tip").addClass("hide")
                 } else if (sockettype == "client"){
                     $("#node-input-port-row").show();
                     $("#node-input-host-row").show();
                     $("#node-input-end-row").show();
                     $("#node-input-tls-enable").show();
+                    $(".form-row.inbound-disabled-tip").addClass("hide")
                 } else {
                     $("#node-input-port-row").show();
                     $("#node-input-host-row").hide();
                     $("#node-input-end-row").show();
                     $("#node-input-tls-enable").show();
+                    if(RED.settings.tcpInAllowInboundConnections === false) {
+                        $(".form-row.inbound-disabled-tip").removeClass("hide")
+                    } else {
+                        $(".form-row.inbound-disabled-tip").addClass("hide")
+                    }
                 }
             };
             updateOptions();
@@ -272,6 +301,11 @@
             $("#node-input-usetls").on("click",function() {
                 updateTLSOptions();
             });
+            setTimeout(function() {
+                // form tips have a max-width to prevent the initial edit form size calc making it overly large.
+                // once the form is built and displayed, remove the size limit so that it sizes with the other elements.
+                $('.form-tips').css({"max-width": "unset"})
+            }, 500)
         },
         oneditsave: function() {
             if (!$("#node-input-usetls").is(':checked')) {

packages/node_modules/@node-red/nodes/core/network/31-tcpin.js

@@ -19,6 +19,7 @@ module.exports = function(RED) {
     let reconnectTime = RED.settings.socketReconnectTime || 10000;
     let socketTimeout = RED.settings.socketTimeout || null;
     const msgQueueSize = RED.settings.tcpMsgQueueSize || 1000;
+    const allowInbound = RED.settings.tcpInAllowInboundConnections === false ? false : true
     const Denque = require('denque');
     const net = require('net');
     const tls = require('tls');
@@ -196,8 +197,7 @@ module.exports = function(RED) {
                 clearTimeout(reconnectTimeout);
                 if (!node.connected) { done(); }
             });
-        }
+        } else if (allowInbound) {
-        else {
             let srv = net;
             let connOpts;
             if (n.tls) {
@@ -308,9 +308,19 @@ module.exports = function(RED) {
                     });
                 }
             });
+        } else {
+            node.warn(RED._("tcpin.status.inbound-disabled",{host:node.host,port:node.port}));
+            node.status({fill:"gray",shape:"circle",text:"tcpin.status.inbound-disabled"});
         }
     }
-    RED.nodes.registerType("tcp in",TcpIn);
+    RED.nodes.registerType("tcp in",TcpIn, {
+        settings: {
+            tcpInAllowInboundConnections: {
+                value: true,
+                exportable: true
+            }
+        }
+    });
 
 
     function TcpOut(n) {
@@ -444,7 +454,7 @@ module.exports = function(RED) {
                 nodeDone();
             });
         }
-        else {
+        else if (allowInbound)  {
             const connectedSockets = new Set();
             node.status({text:RED._("tcpin.status.connections",{count:0})});
             let srv = net;
@@ -517,11 +527,13 @@ module.exports = function(RED) {
                     });
                 }
             });
+        } else {
+            node.warn(RED._("tcpin.status.inbound-disabled",{host:node.host,port:node.port}));
+            node.status({fill:"gray",shape:"circle",text:"tcpin.status.inbound-disabled"});
         }
     }
     RED.nodes.registerType("tcp out",TcpOut);
 
-
     function TcpGet(n) {
         RED.nodes.createNode(this,n);
         this.server = n.server;

packages/node_modules/@node-red/nodes/core/network/32-udp.html

@@ -18,11 +18,15 @@
 <script type="text/html" data-template-name="udp in">
     <div class="form-row">
         <label for="node-input-port"><i class="fa fa-sign-in"></i> <span data-i18n="udp.label.listen"></span></label>
-        <select id="node-input-multicast" style='width:70%'>
+        <select id="node-input-multicast" style="width:70%">
           <option value="false" data-i18n="udp.udpmsgs"></option>
           <option value="true" data-i18n="udp.mcmsgs"></option>
         </select>
     </div>
+    <div class="form-row inbound-disabled-tip">
+        <label> &nbsp; </label>
+        <div class="form-tips" data-i18n="udp.tip.inbound-disabled"></div>
+    </div>
     <div class="form-row node-input-group">
         <label for="node-input-group"><i class="fa fa-list"></i> <span data-i18n="udp.label.group"></span></label>
         <input type="text" id="node-input-group" placeholder="225.0.18.83">
@@ -95,6 +99,11 @@
             return this.name?"node_label_italic":"";
         },
         oneditprepare: function() {
+            if(RED.settings.udpInAllowInboundConnections === false) {
+                $(".form-row.inbound-disabled-tip").removeClass("hide")
+            } else {
+                $(".form-row.inbound-disabled-tip").addClass("hide")
+            }
             $("#node-input-multicast").on("change", function() {
                 var id = $("#node-input-multicast").val();
                 if (id == "false") {
@@ -121,6 +130,11 @@
                     RED.notify(alreadyused+" "+$("#node-input-port").val(),"warn");
                 }
             });
+            setTimeout(function() {
+                // form tips have a max-width to prevent the initial edit form size calc making it overly large.
+                // once the form is built and displayed, remove the size limit so that it sizes with the other elements.
+                $('.form-tips').css({"max-width": "unset"})
+            }, 500)
         }
     });
 </script>

packages/node_modules/@node-red/nodes/core/network/32-udp.js

@@ -16,9 +16,10 @@
 
 module.exports = function(RED) {
     "use strict";
-    var os = require('os');
+    const os = require('os');
-    var dgram = require('dgram');
+    const dgram = require('dgram');
-    var udpInputPortsInUse = {};
+    const udpInputPortsInUse = {};
+    const allowInbound = RED.settings.udpInAllowInboundConnections === false ? false : true
 
     // The Input Node
     function UDPin(n) {
@@ -29,8 +30,9 @@ module.exports = function(RED) {
         this.iface = n.iface || null;
         this.multicast = n.multicast;
         this.ipv = n.ipv || "udp4";
-        var node = this;
+        const node = this;
-
+        let server;
+        if (allowInbound) {
             if (node.iface && node.iface.indexOf(".") === -1) {
                 try {
                     if ((os.networkInterfaces())[node.iface][0].hasOwnProperty("scopeid")) {
@@ -54,9 +56,8 @@ module.exports = function(RED) {
                 }
             }
 
-        var opts = {type:node.ipv, reuseAddr:true};
+            let opts = {type:node.ipv, reuseAddr:true};
             if (process.version.indexOf("v0.10") === 0) { opts = node.ipv; }
-        var server;
 
             if (!udpInputPortsInUse.hasOwnProperty(node.port)) {
                 server = dgram.createSocket(opts);  // default to udp4
@@ -98,7 +99,7 @@ module.exports = function(RED) {
             });
 
             server.on('message', function (message, remote) {
-            var msg;
+                let msg;
                 if (node.datatype =="base64") {
                     msg = { payload:message.toString('base64'), fromip:remote.address+':'+remote.port, ip:remote.address, port:remote.port };
                 } else if (node.datatype =="utf8") {
@@ -110,16 +111,21 @@ module.exports = function(RED) {
             });
 
             server.on('listening', function () {
-            var address = server.address();
+                const address = server.address();
                 node.log(RED._("udp.status.listener-at",{host:node.iface||address.address,port:address.port}));
 
             });
-
+        } else {
+            node.warn(RED._("udp.status.inbound-disabled",{host:node.host,port:node.port}));
+            node.status({fill:"gray",shape:"circle",text:"udp.status.inbound-disabled"});
+        }
         node.on("close", function() {
             try {
+                if (server) {
                     if (node.multicast == "true") { server.dropMembership(node.group); }
                     server.close();
                     node.log(RED._("udp.status.listener-stopped"));
+                }
             } catch (err) {
                 //node.error(err);
             }
@@ -133,7 +139,14 @@ module.exports = function(RED) {
     RED.httpAdmin.get('/udp-ports/:id', RED.auth.needsPermission('udp-ports.read'), function(req,res) {
         res.json(Object.keys(udpInputPortsInUse));
     });
-    RED.nodes.registerType("udp in",UDPin);
+    RED.nodes.registerType("udp in",UDPin, {
+        settings: {
+            udpInAllowInboundConnections: {
+                value: true,
+                exportable: true
+            }
+        }
+    });
 
 
 

packages/node_modules/@node-red/nodes/locales/en-US/messages.json

@@ -650,6 +650,9 @@
             "never": "never - keep connection open",
             "immed": "immediately - don't wait for reply"
         },
+        "tip": {
+            "inbound-disabled": "inbound connections are disabled for this Node-RED instance"
+        },
         "status": {
             "connecting": "connecting to __host__:__port__",
             "connected": "connected to __host__:__port__",
@@ -658,7 +661,8 @@
             "connection-from": "connection from __host__:__port__",
             "connection-closed": "connection closed from __host__:__port__",
             "connections": "__count__ connection",
-            "connections_plural": "__count__ connections"
+            "connections_plural": "__count__ connections",
+            "inbound-disabled": "inbound connections are disabled"
         },
         "errors": {
             "connection-lost": "connection lost to __host__:__port__",
@@ -711,7 +715,8 @@
         "tip": {
             "in": "Tip: Make sure your firewall will allow the data in.",
             "out": "Tip: leave address and port blank if you want to set using <code>msg.ip</code> and <code>msg.port</code>.",
-            "port": "Ports already in use: "
+            "port": "Ports already in use: ",
+            "inbound-disabled": "inbound connections are disabled for this Node-RED instance"
         },
         "status": {
             "listener-at": "udp listener at __host__:__port__",
@@ -722,7 +727,8 @@
             "bc-ready": "udp broadcast ready: __outport__ -> __host__:__port__",
             "ready": "udp ready: __outport__ -> __host__:__port__",
             "ready-nolocal": "udp ready: __host__:__port__",
-            "re-use": "udp re-use socket: __outport__ -> __host__:__port__"
+            "re-use": "udp re-use socket: __outport__ -> __host__:__port__",
+            "inbound-disabled": "inbound connections are disabled"
         },
         "errors": {
             "access-error": "UDP access error, you may need root access for ports below 1024",

packages/node_modules/@node-red/nodes/locales/en-US/network/31-tcpin.html

@@ -19,6 +19,8 @@
         or accept incoming connections.</p>
     <p><b>Note: </b>On some systems you may need root or administrator access
     to access ports below 1024.</p>
+    <p><b>Note: </b>If your node shows "inbound connections are disabled", then 
+        it has been disabled in the Node-RED settings file.</p>
 </script>
 
 <script type="text/html" data-help-name="tcp out">

packages/node_modules/@node-red/nodes/locales/en-US/network/32-udp.html

@@ -19,8 +19,10 @@
     Buffer, string, or base64 encoded string. Supports multicast.</p>
     <p>It also provides <code>msg.ip</code> and <code>msg.port</code> set to the
     ip address and port from which the message was received.</p>
-    <p><b>Note</b>: On some systems you may need root or administrator access to use
+    <p><b>Note: </b>On some systems you may need root or administrator access
-    ports below 1024 and/or broadcast.</p>
+      to access ports below 1024.</p>
+    <p><b>Note: </b>If your node shows "inbound connections are disabled", then 
+      it has been disabled in the Node-RED settings file.</p>
 </script>
 
 <script type="text/html" data-help-name="udp out">

packages/node_modules/node-red/settings.js

@@ -486,6 +486,8 @@ module.exports = {
  *  - socketReconnectTime
  *  - socketTimeout
  *  - tcpMsgQueueSize
+ *  - tcpInAllowInboundConnections
+ *  - udpInAllowInboundConnections
  *  - inboundWebSocketTimeout
  *  - tlsConfigDisableLocalFiles
  *  - webSocketNodeVerifyClient
@@ -560,6 +562,16 @@ module.exports = {
      */
     //tcpMsgQueueSize: 2000,
 
+    /** Permit TCP nodes to expose inbound connections. Set value to `false` to disable the inbound modes.
+     * defaults to true
+     */
+    //tcpInAllowInboundConnections: true,
+
+    /** Permit UDP nodes to expose inbound connections. Set value to `false` to disable the inbound modes.
+     * defaults to true
+     */
+    //udpInAllowInboundConnections: true,
+
     /** Timeout in milliseconds for inbound WebSocket connections that do not
      * match any configured node. Defaults to 5000
      */

test/nodes/core/network/31-tcpin_spec.js

@@ -157,7 +157,7 @@ describe('TCP in Node', function() {
         testTCP0(flow, ["foo\nbar\nbaz"], ["foo\nbar\nbaz"], done);
     });
 
-    it('should recv data (Stream/Base64)', function(done) {
+    it('should recv data (Single/Base64)', function(done) {
         var flow = [{id:"n1", type:"tcp in", server:"server", host:"localhost", port:port, datamode:"single", datatype:"base64", newline:"", topic:"", base64:false, wires:[["n2"]] },
                     {id:"n2", type:"helper"}];
         testTCP0(flow, ["foo"], [Buffer("foo").toString('base64')], done);
@@ -227,7 +227,7 @@ describe('TCP in Node', function() {
         testTCP1(flow, ["foo\nbar\nbaz"], ["foo\nbar\nbaz"], done);
     });
 
-    it('should connect & recv data (Stream/Base64)', function(done) {
+    it('should connect & recv data (Single/Base64)', function(done) {
         var flow = [{id:"n1", type:"tcp in", server:"client", host:"localhost", port:server_port, datamode:"single", datatype:"base64", newline:"", topic:"", base64:false, wires:[["n2"]] },
                     {id:"n2", type:"helper"}];
         testTCP1(flow, ["foo"], [Buffer("foo").toString('base64')], done);