Add stream test
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@ -141,3 +141,6 @@ impl<'a, S: Session, IO: Read + Write> io::Write for Stream<'a, S, IO> {
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Ok(())
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}
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}
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#[cfg(test)]
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mod test_stream;
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161
src/common/test_stream.rs
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161
src/common/test_stream.rs
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@ -0,0 +1,161 @@
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use std::sync::Arc;
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use std::io::{ self, Read, Write, BufReader, Cursor };
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use webpki::DNSNameRef;
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use rustls::internal::pemfile::{ certs, rsa_private_keys };
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use rustls::{
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ServerConfig, ClientConfig,
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ServerSession, ClientSession,
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Session, NoClientAuth
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};
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use super::Stream;
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struct Good<'a>(&'a mut Session);
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impl<'a> Read for Good<'a> {
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fn read(&mut self, mut buf: &mut [u8]) -> io::Result<usize> {
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self.0.write_tls(buf.by_ref())
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}
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}
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impl<'a> Write for Good<'a> {
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fn write(&mut self, mut buf: &[u8]) -> io::Result<usize> {
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let len = self.0.read_tls(buf.by_ref())?;
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self.0.process_new_packets()
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.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err))?;
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Ok(len)
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}
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fn flush(&mut self) -> io::Result<()> {
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Ok(())
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}
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}
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struct Bad(bool);
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impl Read for Bad {
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fn read(&mut self, _: &mut [u8]) -> io::Result<usize> {
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Ok(0)
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}
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}
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impl Write for Bad {
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fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
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if self.0 {
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Err(io::ErrorKind::WouldBlock.into())
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} else {
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Ok(buf.len())
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}
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}
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fn flush(&mut self) -> io::Result<()> {
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Ok(())
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}
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}
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#[test]
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fn stream_good() -> io::Result<()> {
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const FILE: &'static [u8] = include_bytes!("../../README.md");
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let (mut server, mut client) = make_pair();
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do_handshake(&mut client, &mut server);
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io::copy(&mut Cursor::new(FILE), &mut server)?;
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{
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let mut good = Good(&mut server);
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let mut stream = Stream::new(&mut client, &mut good);
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let mut buf = Vec::new();
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stream.read_to_end(&mut buf)?;
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assert_eq!(buf, FILE);
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stream.write_all(b"Hello World!")?
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}
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let mut buf = String::new();
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server.read_to_string(&mut buf)?;
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assert_eq!(buf, "Hello World!");
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Ok(())
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}
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#[test]
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fn stream_bad() -> io::Result<()> {
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let (mut server, mut client) = make_pair();
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do_handshake(&mut client, &mut server);
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client.set_buffer_limit(1024);
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let mut bad = Bad(true);
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let mut stream = Stream::new(&mut client, &mut bad);
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assert_eq!(stream.write(&[0x42; 8])?, 8);
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assert_eq!(stream.write(&[0x42; 8])?, 8);
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let r = stream.write(&[0x00; 1024])?; // fill buffer
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assert!(r < 1024);
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assert_eq!(
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stream.write(&[0x01]).unwrap_err().kind(),
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io::ErrorKind::WouldBlock
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);
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Ok(())
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}
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#[test]
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fn stream_handshake() -> io::Result<()> {
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let (mut server, mut client) = make_pair();
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{
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let mut good = Good(&mut server);
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let mut stream = Stream::new(&mut client, &mut good);
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let (r, w) = stream.complete_io()?;
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assert!(r > 0);
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assert!(w > 0);
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stream.complete_io()?; // finish server handshake
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}
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assert!(!server.is_handshaking());
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assert!(!client.is_handshaking());
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Ok(())
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}
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#[test]
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fn stream_handshake_eof() -> io::Result<()> {
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let (_, mut client) = make_pair();
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let mut bad = Bad(false);
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let mut stream = Stream::new(&mut client, &mut bad);
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let r = stream.complete_io();
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assert_eq!(r.unwrap_err().kind(), io::ErrorKind::UnexpectedEof);
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Ok(())
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}
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fn make_pair() -> (ServerSession, ClientSession) {
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const CERT: &str = include_str!("../../tests/end.cert");
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const CHAIN: &str = include_str!("../../tests/end.chain");
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const RSA: &str = include_str!("../../tests/end.rsa");
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let cert = certs(&mut BufReader::new(Cursor::new(CERT))).unwrap();
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let mut keys = rsa_private_keys(&mut BufReader::new(Cursor::new(RSA))).unwrap();
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let mut sconfig = ServerConfig::new(NoClientAuth::new());
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sconfig.set_single_cert(cert, keys.pop().unwrap()).unwrap();
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let server = ServerSession::new(&Arc::new(sconfig));
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let domain = DNSNameRef::try_from_ascii_str("localhost").unwrap();
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let mut cconfig = ClientConfig::new();
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let mut chain = BufReader::new(Cursor::new(CHAIN));
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cconfig.root_store.add_pem_file(&mut chain).unwrap();
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let client = ClientSession::new(&Arc::new(cconfig), domain);
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(server, client)
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}
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fn do_handshake(client: &mut ClientSession, server: &mut ServerSession) {
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let mut good = Good(server);
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let mut stream = Stream::new(client, &mut good);
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stream.complete_io().unwrap();
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stream.complete_io().unwrap();
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}
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