Handle restricted ports

src/main.rs

@@ -1,6 +1,7 @@
 use actix_web::middleware::Logger;
 use actix_web::{web, App, HttpResponse, HttpServer};
 use clap::Parser;
+use hidden_server::restricted_port::is_restricted_port;
 use log::LevelFilter;
 use rand::Rng;
 
@@ -22,7 +23,7 @@ struct Args {
     #[arg(short('M'), long, default_value_t = 1000)]
     max_port: u16,
     /// Host this server will listen to
-    #[arg(short, long, default_value="0.0.0.0")]
+    #[arg(short, long, default_value = "0.0.0.0")]
     listen_host: String,
 }
 
@@ -43,7 +44,19 @@ async fn main() -> std::io::Result<()> {
     log::info!("Choosing a random port to start...");
 
     let mut rng = rand::thread_rng();
-    let port: u16 = args.min_port + rng.random::<u16>() % (args.max_port - args.min_port);
+    let mut port: u16;
+
+    loop {
+        port = args.min_port + rng.random::<u16>() % (args.max_port - args.min_port);
+
+        if !is_restricted_port(port) {
+            break;
+        }
+
+        log::info!("I chose a restricted port, I have to choose another one...");
+    }
+
+    log::info!("Can now start server...");
 
     HttpServer::new(|| {
         App::new()