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Fix panic in building h3 client when udp is forbidden #1945

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merged 2 commits into from
Aug 21, 2023
Merged

Fix panic in building h3 client when udp is forbidden #1945

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757f226
Fix panic in building h3 client when udp is forbidden
NobodyXu Aug 19, 2023
2cee5d5
Merge branch 'master' into fix/http3
seanmonstar Aug 21, 2023
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144 changes: 87 additions & 57 deletions src/async_impl/client.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,55 @@ impl ClientBuilder {
}
let http = HttpConnector::new_with_resolver(DynResolver::new(resolver.clone()));

#[cfg(all(feature = "http3", feature = "__rustls"))]
let build_h3_connector =
|resolver,
tls,
quic_max_idle_timeout: Option<Duration>,
quic_stream_receive_window,
quic_receive_window,
quic_send_window,
local_address,
http_version_pref: &HttpVersionPref| {
let mut transport_config = TransportConfig::default();

if let Some(max_idle_timeout) = quic_max_idle_timeout {
transport_config.max_idle_timeout(Some(
max_idle_timeout.try_into().map_err(error::builder)?,
));
}

if let Some(stream_receive_window) = quic_stream_receive_window {
transport_config.stream_receive_window(stream_receive_window);
}

if let Some(receive_window) = quic_receive_window {
transport_config.receive_window(receive_window);
}

if let Some(send_window) = quic_send_window {
transport_config.send_window(send_window);
}

let res = H3Connector::new(
DynResolver::new(resolver),
tls,
local_address,
transport_config,
);

match res {
Ok(connector) => Ok(Some(connector)),
Err(err) => {
if let HttpVersionPref::Http3 = http_version_pref {
Err(error::builder(err))
} else {
Ok(None)
}
}
}
};

#[cfg(feature = "__tls")]
match config.tls {
#[cfg(feature = "default-tls")]
Expand Down Expand Up @@ -367,32 +416,16 @@ impl ClientBuilder {
TlsBackend::BuiltRustls(conn) => {
#[cfg(feature = "http3")]
{
let mut transport_config = TransportConfig::default();

if let Some(max_idle_timeout) = config.quic_max_idle_timeout {
transport_config.max_idle_timeout(Some(
max_idle_timeout.try_into().map_err(error::builder)?,
));
}

if let Some(stream_receive_window) = config.quic_stream_receive_window {
transport_config.stream_receive_window(stream_receive_window);
}

if let Some(receive_window) = config.quic_receive_window {
transport_config.receive_window(receive_window);
}

if let Some(send_window) = config.quic_send_window {
transport_config.send_window(send_window);
}

h3_connector = Some(H3Connector::new(
DynResolver::new(resolver),
h3_connector = build_h3_connector(
resolver,
conn.clone(),
config.quic_max_idle_timeout,
config.quic_stream_receive_window,
config.quic_receive_window,
config.quic_send_window,
config.local_address,
transport_config,
));
&config.http_version_pref,
)?;
}

Connector::new_rustls_tls(
Expand Down Expand Up @@ -527,32 +560,16 @@ impl ClientBuilder {
{
tls.enable_early_data = config.tls_enable_early_data;

let mut transport_config = TransportConfig::default();

if let Some(max_idle_timeout) = config.quic_max_idle_timeout {
transport_config.max_idle_timeout(Some(
max_idle_timeout.try_into().map_err(error::builder)?,
));
}

if let Some(stream_receive_window) = config.quic_stream_receive_window {
transport_config.stream_receive_window(stream_receive_window);
}

if let Some(receive_window) = config.quic_receive_window {
transport_config.receive_window(receive_window);
}

if let Some(send_window) = config.quic_send_window {
transport_config.send_window(send_window);
}

h3_connector = Some(H3Connector::new(
DynResolver::new(resolver),
h3_connector = build_h3_connector(
resolver,
tls.clone(),
config.quic_max_idle_timeout,
config.quic_stream_receive_window,
config.quic_receive_window,
config.quic_send_window,
config.local_address,
transport_config,
));
&config.http_version_pref,
)?;
}

Connector::new_rustls_tls(
Expand Down Expand Up @@ -639,11 +656,15 @@ impl ClientBuilder {
accepts: config.accepts,
#[cfg(feature = "cookies")]
cookie_store: config.cookie_store,
// Use match instead of map since config is partially moved
// and it cannot be used in closure
#[cfg(feature = "http3")]
h3_client: H3Client::new(
h3_connector.expect("missing HTTP/3 connector"),
config.pool_idle_timeout,
),
h3_client: match h3_connector {
Some(h3_connector) => {
Some(H3Client::new(h3_connector, config.pool_idle_timeout))
}
None => None,
},
hyper: builder.build(connector),
headers: config.headers,
redirect_policy: config.redirect_policy,
Expand Down Expand Up @@ -1759,10 +1780,10 @@ impl Client {

let in_flight = match version {
#[cfg(feature = "http3")]
http::Version::HTTP_3 => {
http::Version::HTTP_3 if self.inner.h3_client.is_some() => {
let mut req = builder.body(body).expect("valid request parts");
*req.headers_mut() = headers.clone();
ResponseFuture::H3(self.inner.h3_client.request(req))
ResponseFuture::H3(self.inner.h3_client.as_ref().unwrap().request(req))
}
_ => {
let mut req = builder
Expand Down Expand Up @@ -1986,7 +2007,7 @@ struct ClientRef {
headers: HeaderMap,
hyper: HyperClient,
#[cfg(feature = "http3")]
h3_client: H3Client,
h3_client: Option<H3Client>,
redirect_policy: redirect::Policy,
referer: bool,
request_timeout: Option<Duration>,
Expand Down Expand Up @@ -2117,7 +2138,13 @@ impl PendingRequest {
.body(body)
.expect("valid request parts");
*req.headers_mut() = self.headers.clone();
ResponseFuture::H3(self.client.h3_client.request(req))
ResponseFuture::H3(
self.client
.h3_client
.as_ref()
.expect("H3 client must exists, otherwise we can't have a h3 request here")
.request(req),
)
}
_ => {
let mut req = hyper::Request::builder()
Expand Down Expand Up @@ -2339,7 +2366,10 @@ impl Future for PendingRequest {
.expect("valid request parts");
*req.headers_mut() = headers.clone();
std::mem::swap(self.as_mut().headers(), &mut headers);
ResponseFuture::H3(self.client.h3_client.request(req))
ResponseFuture::H3(self.client.h3_client
.as_ref()
.expect("H3 client must exists, otherwise we can't have a h3 request here")
.request(req))
}
_ => {
let mut req = hyper::Request::builder()
Expand Down
6 changes: 3 additions & 3 deletions src/async_impl/h3_client/connect.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ impl H3Connector {
tls: rustls::ClientConfig,
local_addr: Option<IpAddr>,
transport_config: TransportConfig,
) -> H3Connector {
) -> Result<H3Connector, BoxError> {
let mut config = ClientConfig::new(Arc::new(tls));
// FIXME: Replace this when there is a setter.
config.transport_config(Arc::new(transport_config));
Expand All @@ -38,10 +38,10 @@ impl H3Connector {
None => "[::]:0".parse::<SocketAddr>().unwrap(),
};

let mut endpoint = Endpoint::client(socket_addr).expect("unable to create QUIC endpoint");
let mut endpoint = Endpoint::client(socket_addr)?;
endpoint.set_default_client_config(config);

Self { resolver, endpoint }
Ok(Self { resolver, endpoint })
}

pub async fn connect(&mut self, dest: Uri) -> Result<H3Connection, BoxError> {
Expand Down