feat: optional rustls support (#330)

* initial implementation of rustls support

* Refactor create_self_signed_cert.sh script

* resolve lint errors

* Fix handling of Option in tls.rs

* Update cargo-hack check command and feature dependencies

* fix missing point

* Add conditional check to skip test if client or server is not enabled

* clean up things

* fix for windows CI

* try fixing Windows CI

* Update src/main.rs

* Update src/transport/websocket.rs

* add missing messages

* split the tls mod

Co-authored-by: Ning Sun <n@sunng.info>

1 files changed, 14 insertions, 9 deletions

diff --git a/tests/integration_test.rs b/tests/integration_test.rs
index 3b8dec9..7b5d408 100644
--- a/tests/integration_test.rs
+++ b/tests/integration_test.rs
@@ -1,4 +1,4 @@
-use anyhow::Result;
+use anyhow::{Ok, Result};
 use common::{run_rathole_client, PING, PONG};
 use rand::Rng;
 use std::time::Duration;
@@ -57,17 +57,17 @@ async fn tcp() -> Result<()> {
     test("tests/for_tcp/tcp_transport.toml", Type::Tcp).await?;
     // FIXME: Self-signed certificate on Mac requires mannual interference. Disable CI for now
     #[cfg(not(target_os = "macos"))]
-    #[cfg(feature="tls")]
+    #[cfg(any(feature = "native-tls", feature = "rustls"))]
     test("tests/for_tcp/tls_transport.toml", Type::Tcp).await?;
 
-    #[cfg(feature="noise")]
+    #[cfg(feature = "noise")]
     test("tests/for_tcp/noise_transport.toml", Type::Tcp).await?;
 
-    #[cfg(feature="websocket")]
+    #[cfg(any(feature = "websocket-native-tls", feature = "websocket-rustls"))]
     test("tests/for_tcp/websocket_transport.toml", Type::Tcp).await?;
 
     #[cfg(not(target_os = "macos"))]
-    #[cfg(feature="websocket")]
+    #[cfg(any(feature = "websocket-native-tls", feature = "websocket-rustls"))]
     test("tests/for_tcp/websocket_tls_transport.toml", Type::Tcp).await?;
 
     Ok(())
@@ -94,17 +94,17 @@ async fn udp() -> Result<()> {
     test("tests/for_udp/tcp_transport.toml", Type::Udp).await?;
     // See above
     #[cfg(not(target_os = "macos"))]
-    #[cfg(feature="tls")]
+    #[cfg(any(feature = "native-tls", feature = "rustls"))]
     test("tests/for_udp/tls_transport.toml", Type::Udp).await?;
 
-    #[cfg(feature="noise")]
+    #[cfg(feature = "noise")]
     test("tests/for_udp/noise_transport.toml", Type::Udp).await?;
 
-    #[cfg(feature="websocket")]
+    #[cfg(any(feature = "websocket-native-tls", feature = "websocket-rustls"))]
     test("tests/for_udp/websocket_transport.toml", Type::Udp).await?;
 
     #[cfg(not(target_os = "macos"))]
-    #[cfg(feature="websocket")]
+    #[cfg(any(feature = "websocket-native-tls", feature = "websocket-rustls"))]
     test("tests/for_udp/websocket_tls_transport.toml", Type::Udp).await?;
 
     Ok(())
@@ -112,6 +112,11 @@ async fn udp() -> Result<()> {
 
 #[instrument]
 async fn test(config_path: &'static str, t: Type) -> Result<()> {
+    if cfg!(not(all(feature = "client", feature = "server"))) {
+        // Skip the test if the client or the server is not enabled
+        return Ok(());
+    }
+
     let (client_shutdown_tx, client_shutdown_rx) = broadcast::channel(1);
     let (server_shutdown_tx, server_shutdown_rx) = broadcast::channel(1);