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feat(ext/net): use rustls_tokio_stream (#21205)

Fixes #21121 and #19498

Migrates fully to rustls_tokio_stream. We no longer need to maintain our
own TlsStream implementation to properly support duplex.

This should fix a number of errors with TLS and websockets, HTTP and
"other" places where it's failing.
This commit is contained in:
Matt Mastracci 2023-11-15 16:12:46 -07:00 committed by GitHub
parent 40726721e2
commit 6b42cecc06
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 101 additions and 686 deletions

5
Cargo.lock generated
View file

@ -1420,6 +1420,7 @@ dependencies = [
"enum-as-inner",
"log",
"pin-project",
"rustls-tokio-stream",
"serde",
"socket2 0.5.4",
"tokio",
@ -4460,9 +4461,9 @@ dependencies = [
[[package]]
name = "rustls-tokio-stream"
version = "0.2.9"
version = "0.2.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55cae64d5219dfdd7f2d18dda421a2137ebdd63be6d0dc53d7836003f224f3d0"
checksum = "897937c68ff975d028e8cc07bc887f2d5a9ec2bc952549f40db9a91dc557974c"
dependencies = [
"futures",
"rustls",

View file

@ -130,7 +130,7 @@ ring = "^0.17.0"
rusqlite = { version = "=0.29.0", features = ["unlock_notify", "bundled"] }
rustls = "0.21.8"
rustls-pemfile = "1.0.0"
rustls-tokio-stream = "=0.2.9"
rustls-tokio-stream = "=0.2.16"
rustls-webpki = "0.101.4"
webpki-roots = "0.25.2"
scopeguard = "1.2.0"

View file

@ -250,13 +250,12 @@ async fn listen_tls_alpn() {
let tcp_stream = tokio::net::TcpStream::connect("localhost:4504")
.await
.unwrap();
let mut tls_stream = TlsStream::new_client_side(tcp_stream, cfg, hostname);
let mut tls_stream =
TlsStream::new_client_side(tcp_stream, cfg, hostname, None);
tls_stream.handshake().await.unwrap();
let handshake = tls_stream.handshake().await.unwrap();
let (_, rustls_connection) = tls_stream.get_ref();
let alpn = rustls_connection.alpn_protocol().unwrap();
assert_eq!(alpn, b"foobar");
assert_eq!(handshake.alpn, Some(b"foobar".to_vec()));
let status = child.wait().unwrap();
assert!(status.success());
@ -300,13 +299,11 @@ async fn listen_tls_alpn_fail() {
let tcp_stream = tokio::net::TcpStream::connect("localhost:4505")
.await
.unwrap();
let mut tls_stream = TlsStream::new_client_side(tcp_stream, cfg, hostname);
let mut tls_stream =
TlsStream::new_client_side(tcp_stream, cfg, hostname, None);
tls_stream.handshake().await.unwrap_err();
let (_, rustls_connection) = tls_stream.get_ref();
assert!(rustls_connection.alpn_protocol().is_none());
let status = child.wait().unwrap();
assert!(status.success());
}

View file

@ -159,11 +159,9 @@ Deno.test("websocket error", async () => {
ws.onopen = () => fail();
ws.onerror = (err) => {
assert(err instanceof ErrorEvent);
// Error message got changed because we don't use warp in test_util
assertEquals(
err.message,
"NetworkError: failed to connect to WebSocket: invalid data",
"NetworkError: failed to connect to WebSocket: received corrupt message of type InvalidContentType",
);
promise1.resolve();
};

View file

@ -11,6 +11,7 @@ import {
} from "./test_util.ts";
import { BufReader, BufWriter } from "../../../test_util/std/io/mod.ts";
import { readAll } from "../../../test_util/std/streams/read_all.ts";
import { writeAll } from "../../../test_util/std/streams/write_all.ts";
import { TextProtoReader } from "../testdata/run/textproto.ts";
const encoder = new TextEncoder();
@ -538,15 +539,23 @@ Deno.test(
},
);
const largeAmount = 1 << 20 /* 1 MB */;
async function sendAlotReceiveNothing(conn: Deno.Conn) {
// Start receive op.
const readBuf = new Uint8Array(1024);
const readPromise = conn.read(readBuf);
const timeout = setTimeout(() => {
throw new Error("Failed to send buffer in a reasonable amount of time");
}, 10_000);
// Send 1 MB of data.
const writeBuf = new Uint8Array(1 << 20 /* 1 MB */);
const writeBuf = new Uint8Array(largeAmount);
writeBuf.fill(42);
await conn.write(writeBuf);
await writeAll(conn, writeBuf);
clearTimeout(timeout);
// Send EOF.
await conn.closeWrite();
@ -564,14 +573,29 @@ async function sendAlotReceiveNothing(conn: Deno.Conn) {
async function receiveAlotSendNothing(conn: Deno.Conn) {
const readBuf = new Uint8Array(1024);
let n: number | null;
let nread = 0;
const timeout = setTimeout(() => {
throw new Error(
`Failed to read buffer in a reasonable amount of time (got ${nread}/${largeAmount})`,
);
}, 10_000);
// Receive 1 MB of data.
for (let nread = 0; nread < 1 << 20 /* 1 MB */; nread += n!) {
n = await conn.read(readBuf);
assertStrictEquals(typeof n, "number");
assert(n! > 0);
assertStrictEquals(readBuf[0], 42);
try {
for (; nread < largeAmount; nread += n!) {
n = await conn.read(readBuf);
assertStrictEquals(typeof n, "number");
assert(n! > 0);
assertStrictEquals(readBuf[0], 42);
}
} catch (e) {
throw new Error(
`Got an error (${e.message}) after reading ${nread}/${largeAmount} bytes`,
{ cause: e },
);
}
clearTimeout(timeout);
// Close the connection, without sending anything at all.
conn.close();
@ -623,7 +647,7 @@ async function sendReceiveEmptyBuf(conn: Deno.Conn) {
await assertRejects(async () => {
await conn.write(byteBuf);
}, Deno.errors.BrokenPipe);
}, Deno.errors.NotConnected);
n = await conn.write(emptyBuf);
assertStrictEquals(n, 0);
@ -841,13 +865,12 @@ async function tlsWithTcpFailureTestImpl(
tcpForwardingInterruptPromise2.resolve();
break;
case "shutdown":
// Receiving a TCP FIN packet without receiving a TLS CloseNotify
// alert is not the expected mode of operation, but it is not a
// problem either, so it should be treated as if the TLS session was
// gracefully closed.
await Promise.all([
tcpConn1.closeWrite(),
await receiveEof(tlsConn1),
await assertRejects(
() => receiveEof(tlsConn1),
Deno.errors.UnexpectedEof,
),
await tlsConn1.closeWrite(),
await receiveEof(tlsConn2),
]);
@ -1036,8 +1059,8 @@ function createHttpsListener(port: number): Deno.Listener {
);
// Send response.
await conn.write(resHead);
await conn.write(resBody);
await writeAll(conn, resHead);
await writeAll(conn, resBody);
// Close TCP connection.
conn.close();
@ -1046,12 +1069,14 @@ function createHttpsListener(port: number): Deno.Listener {
}
async function curl(url: string): Promise<string> {
const { success, code, stdout } = await new Deno.Command("curl", {
const { success, code, stdout, stderr } = await new Deno.Command("curl", {
args: ["--insecure", url],
}).output();
if (!success) {
throw new Error(`curl ${url} failed: ${code}`);
throw new Error(
`curl ${url} failed: ${code}:\n${new TextDecoder().decode(stderr)}`,
);
}
return new TextDecoder().decode(stdout);
}
@ -1276,8 +1301,7 @@ Deno.test(
// Begin sending a 10mb blob over the TLS connection.
const whole = new Uint8Array(10 << 20); // 10mb.
whole.fill(42);
const sendPromise = conn1.write(whole);
const sendPromise = writeAll(conn1, whole);
// Set up the other end to receive half of the large blob.
const half = new Uint8Array(whole.byteLength / 2);
const receivePromise = readFull(conn2, half);
@ -1294,7 +1318,7 @@ Deno.test(
// Receive second half of large blob. Wait for the send promise and check it.
assertEquals(await readFull(conn2, half), half.length);
assertEquals(await sendPromise, whole.length);
await sendPromise;
await conn1.handshake();
await conn2.handshake();
@ -1352,7 +1376,7 @@ Deno.test(
await assertRejects(
() => conn.handshake(),
Deno.errors.InvalidData,
"UnknownIssuer",
"invalid peer certificate: UnknownIssuer",
);
conn.close();
}

View file

@ -850,15 +850,15 @@ fn serve_https(
});
spawn(
async {
io.handshake().await?;
let handshake = io.handshake().await?;
// If the client specifically negotiates a protocol, we will use it. If not, we'll auto-detect
// based on the prefix bytes
let handshake = io.get_ref().1.alpn_protocol();
if handshake == Some(TLS_ALPN_HTTP_2) {
let handshake = handshake.alpn;
if Some(TLS_ALPN_HTTP_2) == handshake.as_deref() {
serve_http2_unconditional(io, svc, listen_cancel_handle)
.await
.map_err(|e| e.into())
} else if handshake == Some(TLS_ALPN_HTTP_11) {
} else if Some(TLS_ALPN_HTTP_11) == handshake.as_deref() {
serve_http11_unconditional(io, svc, listen_cancel_handle)
.await
.map_err(|e| e.into())

View file

@ -21,6 +21,7 @@ deno_tls.workspace = true
enum-as-inner = "=0.5.1"
log.workspace = true
pin-project.workspace = true
rustls-tokio-stream.workspace = true
serde.workspace = true
socket2.workspace = true
tokio.workspace = true

View file

@ -14,22 +14,9 @@ use deno_core::error::generic_error;
use deno_core::error::invalid_hostname;
use deno_core::error::type_error;
use deno_core::error::AnyError;
use deno_core::futures::future::poll_fn;
use deno_core::futures::ready;
use deno_core::futures::task::noop_waker_ref;
use deno_core::futures::task::AtomicWaker;
use deno_core::futures::task::Context;
use deno_core::futures::task::Poll;
use deno_core::futures::task::RawWaker;
use deno_core::futures::task::RawWakerVTable;
use deno_core::futures::task::Waker;
use deno_core::op2;
use deno_core::parking_lot::Mutex;
use deno_core::unsync::spawn;
use deno_core::AsyncRefCell;
use deno_core::AsyncResult;
use deno_core::ByteString;
use deno_core::CancelHandle;
use deno_core::CancelTryFuture;
use deno_core::OpState;
@ -40,17 +27,13 @@ use deno_tls::create_client_config;
use deno_tls::load_certs;
use deno_tls::load_private_keys;
use deno_tls::rustls::Certificate;
use deno_tls::rustls::ClientConfig;
use deno_tls::rustls::ClientConnection;
use deno_tls::rustls::Connection;
use deno_tls::rustls::PrivateKey;
use deno_tls::rustls::ServerConfig;
use deno_tls::rustls::ServerConnection;
use deno_tls::rustls::ServerName;
use deno_tls::SocketUse;
use io::Error;
use io::Read;
use io::Write;
use rustls_tokio_stream::TlsStreamRead;
use rustls_tokio_stream::TlsStreamWrite;
use serde::Deserialize;
use socket2::Domain;
use socket2::Socket;
@ -63,632 +46,31 @@ use std::fs::File;
use std::io;
use std::io::BufReader;
use std::io::ErrorKind;
use std::net::SocketAddr;
use std::num::NonZeroUsize;
use std::path::Path;
use std::pin::Pin;
use std::rc::Rc;
use std::sync::Arc;
use std::sync::Weak;
use tokio::io::AsyncRead;
use tokio::io::AsyncReadExt;
use tokio::io::AsyncWrite;
use tokio::io::AsyncWriteExt;
use tokio::io::ReadBuf;
use tokio::net::TcpListener;
use tokio::net::TcpStream;
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
enum Flow {
Handshake,
Read,
Write,
}
pub use rustls_tokio_stream::TlsStream;
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
enum State {
StreamOpen,
StreamClosed,
TlsClosing,
TlsClosed,
TcpClosed,
}
pub struct TlsStream(Option<TlsStreamInner>);
impl TlsStream {
fn new(tcp: TcpStream, mut tls: Connection) -> Self {
tls.set_buffer_limit(None);
let inner = TlsStreamInner {
tcp,
tls,
rd_state: State::StreamOpen,
wr_state: State::StreamOpen,
};
Self(Some(inner))
}
pub fn new_client_side(
tcp: TcpStream,
tls_config: Arc<ClientConfig>,
server_name: ServerName,
) -> Self {
let tls = ClientConnection::new(tls_config, server_name).unwrap();
Self::new(tcp, Connection::Client(tls))
}
pub fn new_client_side_from(
tcp: TcpStream,
connection: ClientConnection,
) -> Self {
Self::new(tcp, Connection::Client(connection))
}
pub fn new_server_side(
tcp: TcpStream,
tls_config: Arc<ServerConfig>,
) -> Self {
let tls = ServerConnection::new(tls_config).unwrap();
Self::new(tcp, Connection::Server(tls))
}
pub fn new_server_side_from(
tcp: TcpStream,
connection: ServerConnection,
) -> Self {
Self::new(tcp, Connection::Server(connection))
}
pub fn into_split(self) -> (ReadHalf, WriteHalf) {
let shared = Shared::new(self);
let rd = ReadHalf {
shared: shared.clone(),
};
let wr = WriteHalf { shared };
(rd, wr)
}
/// Convenience method to match [`TcpStream`].
pub fn peer_addr(&self) -> Result<SocketAddr, io::Error> {
self.0.as_ref().unwrap().tcp.peer_addr()
}
/// Convenience method to match [`TcpStream`].
pub fn local_addr(&self) -> Result<SocketAddr, io::Error> {
self.0.as_ref().unwrap().tcp.local_addr()
}
/// Tokio-rustls compatibility: returns a reference to the underlying TCP
/// stream, and a reference to the Rustls `Connection` object.
pub fn get_ref(&self) -> (&TcpStream, &Connection) {
let inner = self.0.as_ref().unwrap();
(&inner.tcp, &inner.tls)
}
fn inner_mut(&mut self) -> &mut TlsStreamInner {
self.0.as_mut().unwrap()
}
pub async fn handshake(&mut self) -> io::Result<()> {
poll_fn(|cx| self.inner_mut().poll_handshake(cx)).await
}
fn poll_handshake(&mut self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
self.inner_mut().poll_handshake(cx)
}
fn get_alpn_protocol(&mut self) -> Option<ByteString> {
self.inner_mut().tls.alpn_protocol().map(|s| s.into())
}
}
impl AsyncRead for TlsStream {
fn poll_read(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut ReadBuf<'_>,
) -> Poll<io::Result<()>> {
self.inner_mut().poll_read(cx, buf)
}
}
impl AsyncWrite for TlsStream {
fn poll_write(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
self.inner_mut().poll_write(cx, buf)
}
fn poll_flush(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<io::Result<()>> {
self.inner_mut().poll_io(cx, Flow::Write)
// The underlying TCP stream does not need to be flushed.
}
fn poll_shutdown(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<io::Result<()>> {
self.inner_mut().poll_shutdown(cx)
}
}
impl Drop for TlsStream {
fn drop(&mut self) {
let mut inner = self.0.take().unwrap();
let mut cx = Context::from_waker(noop_waker_ref());
let use_linger_task = inner.poll_close(&mut cx).is_pending();
if use_linger_task {
spawn(poll_fn(move |cx| inner.poll_close(cx)));
} else if cfg!(debug_assertions) {
spawn(async {}); // Spawn dummy task to detect missing runtime.
}
}
}
pub struct TlsStreamInner {
tls: Connection,
tcp: TcpStream,
rd_state: State,
wr_state: State,
}
impl TlsStreamInner {
fn poll_io(
&mut self,
cx: &mut Context<'_>,
flow: Flow,
) -> Poll<io::Result<()>> {
loop {
let wr_ready = loop {
match self.wr_state {
_ if self.tls.is_handshaking() && !self.tls.wants_write() => {
break true;
}
_ if self.tls.is_handshaking() => {}
State::StreamOpen if !self.tls.wants_write() => break true,
State::StreamClosed => {
// Rustls will enqueue the 'CloseNotify' alert and send it after
// flushing the data that is already in the queue.
self.tls.send_close_notify();
self.wr_state = State::TlsClosing;
continue;
}
State::TlsClosing if !self.tls.wants_write() => {
self.wr_state = State::TlsClosed;
continue;
}
// If a 'CloseNotify' alert sent by the remote end has been received,
// shut down the underlying TCP socket. Otherwise, consider polling
// done for the moment.
State::TlsClosed if self.rd_state < State::TlsClosed => break true,
State::TlsClosed
if Pin::new(&mut self.tcp).poll_shutdown(cx)?.is_pending() =>
{
break false;
}
State::TlsClosed => {
self.wr_state = State::TcpClosed;
continue;
}
State::TcpClosed => break true,
_ => {}
}
// Write ciphertext to the TCP socket.
let mut wrapped_tcp = ImplementWriteTrait(&mut self.tcp);
match self.tls.write_tls(&mut wrapped_tcp) {
Ok(0) => {} // Wait until the socket has enough buffer space.
Ok(_) => continue, // Try to send more more data immediately.
Err(err) if err.kind() == ErrorKind::WouldBlock => unreachable!(),
Err(err) => return Poll::Ready(Err(err)),
}
// Poll whether there is space in the socket send buffer so we can flush
// the remaining outgoing ciphertext.
if self.tcp.poll_write_ready(cx)?.is_pending() {
break false;
}
};
let rd_ready = loop {
// Interpret and decrypt unprocessed TLS protocol data.
let tls_state = self
.tls
.process_new_packets()
.map_err(|e| Error::new(ErrorKind::InvalidData, e))?;
match self.rd_state {
State::TcpClosed if self.tls.is_handshaking() => {
let err = Error::new(ErrorKind::UnexpectedEof, "tls handshake eof");
return Poll::Ready(Err(err));
}
_ if self.tls.is_handshaking() && !self.tls.wants_read() => {
break true;
}
_ if self.tls.is_handshaking() => {}
State::StreamOpen if tls_state.plaintext_bytes_to_read() > 0 => {
break true;
}
State::StreamOpen if tls_state.peer_has_closed() => {
self.rd_state = State::TlsClosed;
continue;
}
State::StreamOpen => {}
State::StreamClosed if tls_state.plaintext_bytes_to_read() > 0 => {
// Rustls has more incoming cleartext buffered up, but the TLS
// session is closing so this data will never be processed by the
// application layer. Just like what would happen if this were a raw
// TCP stream, don't gracefully end the TLS session, but abort it.
return Poll::Ready(Err(Error::from(ErrorKind::ConnectionReset)));
}
State::StreamClosed => {}
State::TlsClosed if self.wr_state == State::TcpClosed => {
// Keep trying to read from the TCP connection until the remote end
// closes it gracefully.
}
State::TlsClosed => break true,
State::TcpClosed => break true,
_ => unreachable!(),
}
// Try to read more TLS protocol data from the TCP socket.
let mut wrapped_tcp = ImplementReadTrait(&mut self.tcp);
match self.tls.read_tls(&mut wrapped_tcp) {
Ok(0) => {
self.rd_state = State::TcpClosed;
continue;
}
Ok(_) => continue,
Err(err) if err.kind() == ErrorKind::WouldBlock => {}
Err(err) => return Poll::Ready(Err(err)),
}
// Get notified when more ciphertext becomes available to read from the
// TCP socket.
if self.tcp.poll_read_ready(cx)?.is_pending() {
break false;
}
};
if wr_ready {
if self.rd_state >= State::TlsClosed
&& self.wr_state >= State::TlsClosed
&& self.wr_state < State::TcpClosed
{
continue;
}
if self.tls.wants_write() {
continue;
}
}
let io_ready = match flow {
_ if self.tls.is_handshaking() => false,
Flow::Handshake => true,
Flow::Read => rd_ready,
Flow::Write => wr_ready,
};
return match io_ready {
false => Poll::Pending,
true => Poll::Ready(Ok(())),
};
}
}
fn poll_handshake(&mut self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
if self.tls.is_handshaking() {
ready!(self.poll_io(cx, Flow::Handshake))?;
}
Poll::Ready(Ok(()))
}
fn poll_read(
&mut self,
cx: &mut Context<'_>,
buf: &mut ReadBuf<'_>,
) -> Poll<io::Result<()>> {
ready!(self.poll_io(cx, Flow::Read))?;
if self.rd_state == State::StreamOpen {
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
let buf_slice =
unsafe { &mut *(buf.unfilled_mut() as *mut [_] as *mut [u8]) };
let bytes_read = self.tls.reader().read(buf_slice)?;
assert_ne!(bytes_read, 0);
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
unsafe {
buf.assume_init(bytes_read)
};
buf.advance(bytes_read);
}
Poll::Ready(Ok(()))
}
fn poll_write(
&mut self,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
if buf.is_empty() {
// Tokio-rustls compatibility: a zero byte write always succeeds.
Poll::Ready(Ok(0))
} else if self.wr_state == State::StreamOpen {
// Flush Rustls' ciphertext send queue.
ready!(self.poll_io(cx, Flow::Write))?;
// Copy data from `buf` to the Rustls cleartext send queue.
let bytes_written = self.tls.writer().write(buf)?;
assert_ne!(bytes_written, 0);
// Try to flush as much ciphertext as possible. However, since we just
// handed off at least some bytes to rustls, so we can't return
// `Poll::Pending()` any more: this would tell the caller that it should
// try to send those bytes again.
let _ = self.poll_io(cx, Flow::Write)?;
Poll::Ready(Ok(bytes_written))
} else {
// Return error if stream has been shut down for writing.
Poll::Ready(Err(ErrorKind::BrokenPipe.into()))
}
}
fn poll_shutdown(&mut self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
if self.wr_state == State::StreamOpen {
self.wr_state = State::StreamClosed;
}
ready!(self.poll_io(cx, Flow::Write))?;
// At minimum, a TLS 'CloseNotify' alert should have been sent.
assert!(self.wr_state >= State::TlsClosed);
// If we received a TLS 'CloseNotify' alert from the remote end
// already, the TCP socket should be shut down at this point.
assert!(
self.rd_state < State::TlsClosed || self.wr_state == State::TcpClosed
);
Poll::Ready(Ok(()))
}
fn poll_close(&mut self, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
if self.rd_state == State::StreamOpen {
self.rd_state = State::StreamClosed;
}
// Wait for the handshake to complete.
ready!(self.poll_io(cx, Flow::Handshake))?;
// Send TLS 'CloseNotify' alert.
ready!(self.poll_shutdown(cx))?;
// Wait for 'CloseNotify', shut down TCP stream, wait for TCP FIN packet.
ready!(self.poll_io(cx, Flow::Read))?;
assert_eq!(self.rd_state, State::TcpClosed);
assert_eq!(self.wr_state, State::TcpClosed);
Poll::Ready(Ok(()))
}
}
pub struct ReadHalf {
shared: Arc<Shared>,
}
impl ReadHalf {
pub fn reunite(self, wr: WriteHalf) -> TlsStream {
assert!(Arc::ptr_eq(&self.shared, &wr.shared));
drop(wr); // Drop `wr`, so only one strong reference to `shared` remains.
Arc::try_unwrap(self.shared)
.unwrap_or_else(|_| panic!("Arc::<Shared>::try_unwrap() failed"))
.tls_stream
.into_inner()
}
}
impl AsyncRead for ReadHalf {
fn poll_read(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut ReadBuf<'_>,
) -> Poll<io::Result<()>> {
self
.shared
.poll_with_shared_waker(cx, Flow::Read, move |tls, cx| {
tls.poll_read(cx, buf)
})
}
}
pub struct WriteHalf {
shared: Arc<Shared>,
}
impl WriteHalf {
pub async fn handshake(&mut self) -> io::Result<()> {
poll_fn(|cx| {
self
.shared
.poll_with_shared_waker(cx, Flow::Write, |mut tls, cx| {
tls.poll_handshake(cx)
})
})
.await
}
fn get_alpn_protocol(&mut self) -> Option<ByteString> {
self.shared.get_alpn_protocol()
}
}
impl AsyncWrite for WriteHalf {
fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
self
.shared
.poll_with_shared_waker(cx, Flow::Write, move |tls, cx| {
tls.poll_write(cx, buf)
})
}
fn poll_flush(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<io::Result<()>> {
self
.shared
.poll_with_shared_waker(cx, Flow::Write, |tls, cx| tls.poll_flush(cx))
}
fn poll_shutdown(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<io::Result<()>> {
self
.shared
.poll_with_shared_waker(cx, Flow::Write, |tls, cx| tls.poll_shutdown(cx))
}
}
struct Shared {
tls_stream: Mutex<TlsStream>,
rd_waker: AtomicWaker,
wr_waker: AtomicWaker,
}
impl Shared {
fn new(tls_stream: TlsStream) -> Arc<Self> {
let self_ = Self {
tls_stream: Mutex::new(tls_stream),
rd_waker: AtomicWaker::new(),
wr_waker: AtomicWaker::new(),
};
Arc::new(self_)
}
fn poll_with_shared_waker<R>(
self: &Arc<Self>,
cx: &mut Context<'_>,
flow: Flow,
mut f: impl FnMut(Pin<&mut TlsStream>, &mut Context<'_>) -> R,
) -> R {
match flow {
Flow::Handshake => unreachable!(),
Flow::Read => self.rd_waker.register(cx.waker()),
Flow::Write => self.wr_waker.register(cx.waker()),
}
let shared_waker = self.new_shared_waker();
let mut cx = Context::from_waker(&shared_waker);
let mut tls_stream = self.tls_stream.lock();
f(Pin::new(&mut tls_stream), &mut cx)
}
const SHARED_WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(
Self::clone_shared_waker,
Self::wake_shared_waker,
Self::wake_shared_waker_by_ref,
Self::drop_shared_waker,
);
fn new_shared_waker(self: &Arc<Self>) -> Waker {
let self_weak = Arc::downgrade(self);
let self_ptr = self_weak.into_raw() as *const ();
let raw_waker = RawWaker::new(self_ptr, &Self::SHARED_WAKER_VTABLE);
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
unsafe {
Waker::from_raw(raw_waker)
}
}
fn clone_shared_waker(self_ptr: *const ()) -> RawWaker {
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
let self_weak = unsafe { Weak::from_raw(self_ptr as *const Self) };
let ptr1 = self_weak.clone().into_raw();
let ptr2 = self_weak.into_raw();
assert!(ptr1 == ptr2);
RawWaker::new(self_ptr, &Self::SHARED_WAKER_VTABLE)
}
fn wake_shared_waker(self_ptr: *const ()) {
Self::wake_shared_waker_by_ref(self_ptr);
Self::drop_shared_waker(self_ptr);
}
fn wake_shared_waker_by_ref(self_ptr: *const ()) {
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
let self_weak = unsafe { Weak::from_raw(self_ptr as *const Self) };
if let Some(self_arc) = Weak::upgrade(&self_weak) {
self_arc.rd_waker.wake();
self_arc.wr_waker.wake();
}
let _ = self_weak.into_raw();
}
fn drop_shared_waker(self_ptr: *const ()) {
// TODO(bartlomieju):
#[allow(clippy::undocumented_unsafe_blocks)]
let _ = unsafe { Weak::from_raw(self_ptr as *const Self) };
}
fn get_alpn_protocol(self: &Arc<Self>) -> Option<ByteString> {
let mut tls_stream = self.tls_stream.lock();
tls_stream.get_alpn_protocol()
}
}
struct ImplementReadTrait<'a, T>(&'a mut T);
impl Read for ImplementReadTrait<'_, TcpStream> {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.0.try_read(buf)
}
}
struct ImplementWriteTrait<'a, T>(&'a mut T);
impl Write for ImplementWriteTrait<'_, TcpStream> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
match self.0.try_write(buf) {
Ok(n) => Ok(n),
Err(err) if err.kind() == ErrorKind::WouldBlock => Ok(0),
Err(err) => Err(err),
}
}
fn flush(&mut self) -> io::Result<()> {
Ok(())
}
}
pub(crate) const TLS_BUFFER_SIZE: Option<NonZeroUsize> =
NonZeroUsize::new(65536);
#[derive(Debug)]
pub struct TlsStreamResource {
rd: AsyncRefCell<ReadHalf>,
wr: AsyncRefCell<WriteHalf>,
rd: AsyncRefCell<TlsStreamRead>,
wr: AsyncRefCell<TlsStreamWrite>,
// `None` when a TLS handshake hasn't been done.
handshake_info: RefCell<Option<TlsHandshakeInfo>>,
cancel_handle: CancelHandle, // Only read and handshake ops get canceled.
}
impl TlsStreamResource {
pub fn new((rd, wr): (ReadHalf, WriteHalf)) -> Self {
pub fn new((rd, wr): (TlsStreamRead, TlsStreamWrite)) -> Self {
Self {
rd: rd.into(),
wr: wr.into(),
@ -697,7 +79,7 @@ impl TlsStreamResource {
}
}
pub fn into_inner(self) -> (ReadHalf, WriteHalf) {
pub fn into_inner(self) -> (TlsStreamRead, TlsStreamWrite) {
(self.rd.into_inner(), self.wr.into_inner())
}
@ -707,12 +89,10 @@ impl TlsStreamResource {
) -> Result<usize, AnyError> {
let mut rd = RcRef::map(&self, |r| &r.rd).borrow_mut().await;
let cancel_handle = RcRef::map(&self, |r| &r.cancel_handle);
let nread = rd.read(data).try_or_cancel(cancel_handle).await?;
Ok(nread)
Ok(rd.read(data).try_or_cancel(cancel_handle).await?)
}
pub async fn write(self: Rc<Self>, data: &[u8]) -> Result<usize, AnyError> {
self.handshake().await?;
let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
let nwritten = wr.write(data).await?;
wr.flush().await?;
@ -720,7 +100,6 @@ impl TlsStreamResource {
}
pub async fn shutdown(self: Rc<Self>) -> Result<(), AnyError> {
self.handshake().await?;
let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
wr.shutdown().await?;
Ok(())
@ -735,9 +114,9 @@ impl TlsStreamResource {
let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
let cancel_handle = RcRef::map(self, |r| &r.cancel_handle);
wr.handshake().try_or_cancel(cancel_handle).await?;
let handshake = wr.handshake().try_or_cancel(cancel_handle).await?;
let alpn_protocol = wr.get_alpn_protocol();
let alpn_protocol = handshake.alpn.map(|alpn| alpn.into());
let tls_info = TlsHandshakeInfo { alpn_protocol };
self.handshake_info.replace(Some(tls_info.clone()));
Ok(tls_info)
@ -849,9 +228,12 @@ where
}
let tls_config = Arc::new(tls_config);
let tls_stream =
TlsStream::new_client_side(tcp_stream, tls_config, hostname_dns);
let tls_stream = TlsStream::new_client_side(
tcp_stream,
tls_config,
hostname_dns,
TLS_BUFFER_SIZE,
);
let rid = {
let mut state_ = state.borrow_mut();
@ -950,8 +332,12 @@ where
let tls_config = Arc::new(tls_config);
let tls_stream =
TlsStream::new_client_side(tcp_stream, tls_config, hostname_dns);
let tls_stream = TlsStream::new_client_side(
tcp_stream,
tls_config,
hostname_dns,
TLS_BUFFER_SIZE,
);
let rid = {
let mut state_ = state.borrow_mut();
@ -1136,8 +522,11 @@ pub async fn op_net_accept_tls(
let local_addr = tcp_stream.local_addr()?;
let tls_stream =
TlsStream::new_server_side(tcp_stream, resource.tls_config.clone());
let tls_stream = TlsStream::new_server_side(
tcp_stream,
resource.tls_config.clone(),
TLS_BUFFER_SIZE,
);
let rid = {
let mut state_ = state.borrow_mut();

View file

@ -4,8 +4,8 @@ use crate::io::TcpStreamResource;
use crate::io::UnixStreamResource;
use crate::ops::TcpListenerResource;
use crate::ops_tls::TlsListenerResource;
use crate::ops_tls::TlsStream;
use crate::ops_tls::TlsStreamResource;
use crate::ops_tls::TLS_BUFFER_SIZE;
#[cfg(unix)]
use crate::ops_unix::UnixListenerResource;
use deno_core::error::bad_resource;
@ -15,6 +15,7 @@ use deno_core::ResourceId;
use deno_core::ResourceTable;
use deno_tls::rustls::ServerConfig;
use pin_project::pin_project;
use rustls_tokio_stream::TlsStream;
use std::rc::Rc;
use std::sync::Arc;
use tokio::net::TcpStream;
@ -187,7 +188,11 @@ impl NetworkStreamListener {
}
Self::Tls(tcp, config) => {
let (stream, _addr) = tcp.accept().await?;
NetworkStream::Tls(TlsStream::new_server_side(stream, config.clone()))
NetworkStream::Tls(TlsStream::new_server_side(
stream,
config.clone(),
TLS_BUFFER_SIZE,
))
}
#[cfg(unix)]
Self::Unix(unix) => {
@ -242,7 +247,7 @@ pub fn take_network_stream_resource(
let resource = Rc::try_unwrap(resource_rc)
.map_err(|_| bad_resource("TLS stream is currently in use"))?;
let (read_half, write_half) = resource.into_inner();
let tls_stream = read_half.reunite(write_half);
let tls_stream = read_half.unsplit(write_half);
return Ok(NetworkStream::Tls(tls_stream));
}

View file

@ -65,8 +65,8 @@ fn op_http_start(
let resource = Rc::try_unwrap(resource_rc)
.map_err(|_| bad_resource("TLS stream is currently in use"))?;
let (read_half, write_half) = resource.into_inner();
let tls_stream = read_half.reunite(write_half);
let addr = tls_stream.get_ref().0.local_addr()?;
let tls_stream = read_half.unsplit(write_half);
let addr = tls_stream.local_addr()?;
return http_create_conn_resource(state, tls_stream, addr, "https");
}