Feature gate websockets

Cargo.toml

@@ -29,8 +29,8 @@ privdrop = "0.5"
 byteorder = "1.4"
 thiserror = "1.0"
 smallvec = "1.6"
-tungstenite = "0.12"
-url = "2.2"
+tungstenite = { version = "0.12", optional = true }
+url = { version = "2.2", optional = true }
 
 [dev-dependencies]
 tempfile = "3"
@@ -38,8 +38,8 @@ criterion = "0.3"
 
 [features]
 default = ["nat"]
-bench = []
 nat = ["igd"]
+websocket = ["tungstenite", "url"]
 
 [[bench]]
 name = "bench"

src/config.rs

@@ -500,6 +500,7 @@ pub enum Command {
     GenKey,
 
     /// Run a websocket proxy
+    #[cfg(feature = "websocket")]
     #[structopt(alias = "wsproxy")]
     WsProxy {
         /// Websocket listen address IP:PORT

src/main.rs

@@ -27,7 +27,7 @@ pub mod port_forwarding;
 pub mod table;
 pub mod traffic;
 pub mod types;
-pub mod wsproxy;
+#[cfg(feature = "websocket")] pub mod wsproxy;
 
 use structopt::StructOpt;
 
@@ -52,9 +52,11 @@ use crate::{
     oldconfig::OldConfigFile,
     payload::Protocol,
     util::SystemTimeSource,
-    wsproxy::ProxyConnection
 };
 
+#[cfg(feature = "websocket")]
+use crate::wsproxy::ProxyConnection;
+
 struct DualLogger {
     file: Option<Mutex<File>>
 }
@@ -268,6 +270,7 @@ fn main() {
                 Args::clap().gen_completions_to(env!("CARGO_PKG_NAME"), shell, &mut io::stdout());
                 return
             }
+            #[cfg(feature = "websocket")]
             Command::WsProxy { listen } => {
                 try_fail!(wsproxy::run_proxy(&listen), "Failed to run websocket proxy: {:?}");
             }
@@ -299,17 +302,18 @@ fn main() {
         error!("Either password or private key must be set in config or given as parameter");
         return
     }
+    #[cfg(feature = "websocket")]
     if config.listen.starts_with("ws://") {
         let socket = try_fail!(ProxyConnection::listen(&config.listen), "Failed to open socket {}: {}", config.listen);
         match config.device_type {
             Type::Tap => run::<payload::Frame, _>(config, socket),
             Type::Tun => run::<payload::Packet, _>(config, socket)
         }
-    } else {
+        return        
+    }
     let socket = try_fail!(UdpSocket::listen(&config.listen), "Failed to open socket {}: {}", config.listen);
     match config.device_type {
         Type::Tap => run::<payload::Frame, _>(config, socket),
         Type::Tun => run::<payload::Packet, _>(config, socket)
     }
-    }
 }