Expand Shadowsocks runtime compatibility

third_party/tokio-rustls-fork-shadow-tls/examples/connect.rs

@@ -0,0 +1,42 @@
+use std::sync::Arc;
+
+use tokio::{
+    io::{AsyncReadExt, AsyncWriteExt},
+    net::TcpStream,
+};
+
+use tokio_rustls_fork_shadow_tls::TlsConnector;
+use rustls_fork_shadow_tls::{OwnedTrustAnchor, RootCertStore};
+
+#[tokio::main]
+async fn main() {
+    let mut root_store = RootCertStore::empty();
+    root_store.add_server_trust_anchors(webpki_roots::TLS_SERVER_ROOTS.0.iter().map(|ta| {
+        OwnedTrustAnchor::from_subject_spki_name_constraints(
+            ta.subject,
+            ta.spki,
+            ta.name_constraints,
+        )
+    }));
+    let config = rustls_fork_shadow_tls::ClientConfig::builder()
+        .with_safe_defaults()
+        .with_root_certificates(root_store)
+        .with_no_client_auth();
+
+    let connector = TlsConnector::from(Arc::new(config));
+    let stream = TcpStream::connect("rsproxy.cn:443").await.unwrap();
+    println!("rsproxy.cn:443 connected");
+
+    let domain = rustls_fork_shadow_tls::ServerName::try_from("rsproxy.cn").unwrap();
+    let mut stream = connector.connect(domain, stream).await.unwrap();
+    println!("handshake success");
+
+    let content = b"GET / HTTP/1.0\r\nHost: rsproxy.cn\r\n\r\n";
+    stream.write_all(content).await?;
+    println!("http request sent");
+
+    let buf = vec![0_u8; 64];
+    let n = stream.read(buf).await?;
+    let resp = String::from_utf8(buf).unwrap();
+    println!("http response recv: \n\n{resp}");
+}