113 lines
3.1 KiB
Rust
113 lines
3.1 KiB
Rust
#![cfg(feature = "early-data")]
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use std::io::{ self, BufReader, BufRead, Cursor };
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use std::process::{ Command, Child, Stdio };
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use std::net::SocketAddr;
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use std::sync::Arc;
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use std::marker::Unpin;
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use std::pin::{ Pin };
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use std::task::{ Context, Poll };
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use std::time::Duration;
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use tokio::prelude::*;
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use tokio::net::TcpStream;
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use tokio::timer::delay_for;
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use futures_util::{ future, ready };
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use rustls::ClientConfig;
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use tokio_rustls::{ TlsConnector, client::TlsStream };
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struct Read1<T>(T);
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impl<T: AsyncRead + Unpin> Future for Read1<T> {
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type Output = io::Result<()>;
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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let mut buf = [0];
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ready!(Pin::new(&mut self.0).poll_read(cx, &mut buf))?;
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Poll::Pending
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}
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}
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async fn send(config: Arc<ClientConfig>, addr: SocketAddr, data: &[u8])
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-> io::Result<TlsStream<TcpStream>>
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{
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let connector = TlsConnector::from(config)
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.early_data(true);
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let stream = TcpStream::connect(&addr).await?;
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let domain = webpki::DNSNameRef::try_from_ascii_str("testserver.com").unwrap();
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let mut stream = connector.connect(domain, stream).await?;
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stream.write_all(data).await?;
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stream.flush().await?;
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// sleep 3s
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//
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// see https://www.mail-archive.com/openssl-users@openssl.org/msg84451.html
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let sleep3 = delay_for(Duration::from_secs(3));
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let mut stream = match future::select(Read1(stream), sleep3).await {
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future::Either::Right((_, Read1(stream))) => stream,
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future::Either::Left((Err(err), _)) => return Err(err),
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future::Either::Left((Ok(_), _)) => unreachable!(),
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};
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stream.shutdown().await?;
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Ok(stream)
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}
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struct DropKill(Child);
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impl Drop for DropKill {
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fn drop(&mut self) {
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self.0.kill().unwrap();
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}
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}
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#[tokio::test]
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async fn test_0rtt() -> io::Result<()> {
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let mut handle = Command::new("openssl")
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.arg("s_server")
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.arg("-early_data")
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.arg("-tls1_3")
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.args(&["-cert", "./tests/end.cert"])
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.args(&["-key", "./tests/end.rsa"])
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.args(&["-port", "12354"])
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.stdout(Stdio::piped())
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.spawn()
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.map(DropKill)?;
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// wait openssl server
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delay_for(Duration::from_secs(3)).await;
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let mut config = ClientConfig::new();
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let mut chain = BufReader::new(Cursor::new(include_str!("end.chain")));
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config.root_store.add_pem_file(&mut chain).unwrap();
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config.versions = vec![rustls::ProtocolVersion::TLSv1_3];
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config.enable_early_data = true;
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let config = Arc::new(config);
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let addr = SocketAddr::from(([127, 0, 0, 1], 12354));
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let io = send(config.clone(), addr, b"hello").await?;
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assert!(!io.get_ref().1.is_early_data_accepted());
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let io = send(config, addr, b"world!").await?;
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assert!(io.get_ref().1.is_early_data_accepted());
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let stdout = handle.0.stdout.as_mut().unwrap();
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let mut lines = BufReader::new(stdout).lines();
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for line in lines.by_ref() {
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if line?.contains("hello") {
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break
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}
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}
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for line in lines.by_ref() {
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if line?.contains("world!") {
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break
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}
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}
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Ok(())
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}
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