Port scanning (#231)

* Add port scanning alongside network scanning * drop unnecessary script tag
duckduckgo · Sep 24, 2024 · b875490 · b875490
1 parent 06df702
commit b875490
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Showing 2 changed files with 37 additions and 8 deletions.
diff --git a/privacy-protections/bounce-tracking/index.html b/privacy-protections/bounce-tracking/index.html
@@ -4,8 +4,6 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Bounce Tracking Test Page</title>
-
-    <script src='./main.js' defer></script>
 </head>
 <body>
     <p><a href="../../">[Home]</a> ↣ <a href="../">[Privacy Protections Tests]</a> ↣ <strong>[Bounce Tracking Test Page]</strong></p>

diff --git a/privacy-protections/local-port-scan/index.html b/privacy-protections/local-port-scan/index.html
@@ -9,20 +9,21 @@
 <body>
     <p><a href="../../">[Home]</a> ↣ <a href="../">[Privacy Protections Tests]</a> ↣ <strong>[Local Port Scanning]</strong></p>
 
-<p>Trackers scan local network as a fingerprinting technique. This page runs such a scan.</p>
+<p>Trackers scan local network as a fingerprinting technique. This page allows to run a network scan and a port scan.</p>
 <p>Depending if this page was loaded over http or https this page will load local resources over the same protocol.</P>
 
 <p>Scan range: <input id="range" value='192.168.1' />.*</p>
 <p>Timeout: <input id="timeout" value='1000' />ms</p>
-<button id="start">start</button>
+<button id="startNetworkScan">start local network scan</button>
+<button id="startPortScan">start localhost port scan</button>
 
 <ul id="output"></ul>
 
 <script>
 const protocol = location.protocol;
 const output = document.getElementById('output');
 
-async function run () {
+async function runNetworkScan () {
     output.innerHTML = '';
     const timeout = Number.parseInt(document.getElementById('timeout').value, 10);
     const ipPrefix = document.getElementById('range').value;
@@ -32,8 +33,7 @@
         const url = `${protocol}//${fullIP}/`;
         const startTime = Date.now();
         try {
-            const result = await fetch(url, { signal: AbortSignal.timeout(timeout) });
-            console.log(result);
+            await fetch(url, { signal: AbortSignal.timeout(timeout) });
         } catch {
 
         }
@@ -43,7 +43,38 @@
     }
 }
 
-document.getElementById('start').addEventListener('click', run);
+async function runPortScan () {
+    output.innerHTML = '';
+    // sorted by popularity
+    const commonPorts = [443, 80, 22, 5060, 8080, 1723, 53, 21, 8000, 3389, 8082, 8081, 993, 25, 23, 4567, 81, 3000];
+    const timeout = Number.parseInt(document.getElementById('timeout').value, 10);
+
+    for (const port of commonPorts) {
+        const url = `ws://localhost:${port}/`;
+        const startTime = Date.now();
+        try {
+            let res;
+            const promise = new Promise((resolve, reject) => { res = resolve; });
+            const ws = new WebSocket(url);
+            ws.onclose = res;
+            ws.onerror = res;
+            setTimeout(() => {
+                ws.close();
+                res();
+            }, timeout);
+
+            console.log(await promise);
+        } catch {
+
+        }
+        const responseTime = Date.now() - startTime;
+
+        output.innerHTML += `<li style='color: ${responseTime < 10 ? 'green' : 'red'}'>localhost:${port} (${responseTime}ms)</li>`;
+    }
+}
+
+document.getElementById('startNetworkScan').addEventListener('click', runNetworkScan);
+document.getElementById('startPortScan').addEventListener('click', runPortScan);
 </script>
 
 </body>