fix ip regex, add write to sh file

src/app/mod.rs

@@ -86,6 +86,19 @@ impl AppState {
         println!("{resString}");
     }
 
+    pub fn writeToConfig(&self) {
+        let mut outputString: String = String::new();
+        outputString.push_str("#! /bin/bash\n\n");
+        for ent in self.entries.iter() {
+            outputString.push_str(&format!(
+                "socat TCP-LISTEN:{},fork,reuseaddr,bind={} TCP:{}:{} &\n",
+                ent.fromPort, ent.fromIP, ent.toIP, ent.toPort
+            ))
+        }
+        outputString.push_str("\nwait");
+        std::fs::write("./forward.sh", outputString);
+    }
+
     pub fn save(&self) {
         let mut settings = Settings::new(&self.confDir);
         settings.entries = self.entries.clone();