some refactor
This commit is contained in:
Jun Kurihara
parent
ebb2fb3c87
commit
9335fc702e
6 changed files with 146 additions and 88 deletions
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@ -91,7 +91,7 @@ pub fn parse_opts(globals: &mut Globals, backends: &mut Backends) -> Result<()>
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// each app
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for (app_name, app) in apps.0.iter() {
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ensure!(app.server_name.is_some(), "Missing server_name");
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let server_name = app.server_name.as_ref().unwrap();
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let server_name = app.server_name.as_ref().unwrap().to_ascii_lowercase();
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// TLS settings
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let (tls_cert_path, tls_cert_key_path, https_redirection) = if app.tls.is_none() {
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@ -122,7 +122,7 @@ pub fn parse_opts(globals: &mut Globals, backends: &mut Backends) -> Result<()>
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let reverse_proxy = get_reverse_proxy(app.reverse_proxy.as_ref().unwrap())?;
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backends.apps.insert(
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server_name.to_owned(),
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server_name.as_bytes().to_vec(),
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Backend {
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app_name: app_name.to_owned(),
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server_name: server_name.to_owned(),
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@ -149,7 +149,7 @@ pub fn parse_opts(globals: &mut Globals, backends: &mut Backends) -> Result<()>
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"Serving plaintext http for requests to unconfigured server_name by app {} (server_name: {}).",
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d, d_sn[0]
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);
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backends.default_app = Some(d_sn[0].to_owned());
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backends.default_server_name = Some(d_sn[0].as_bytes().to_vec());
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}
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}
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@ -16,7 +16,7 @@ use crate::{
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error::*,
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globals::*,
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log::*,
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proxy::{Backend, Backends, Proxy},
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proxy::{Backend, Backends, Proxy, ServerNameLC},
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};
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use futures::future::select_all;
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use hyper::Client;
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@ -64,8 +64,8 @@ fn main() {
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};
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let mut backends = Backends {
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default_app: None,
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apps: HashMap::<String, Backend>::default(),
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default_server_name: None,
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apps: HashMap::<ServerNameLC, Backend>::default(),
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};
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parse_opts(&mut globals, &mut backends).expect("Invalid configuration");
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@ -13,9 +13,12 @@ use std::{
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};
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use tokio_rustls::rustls::{Certificate, PrivateKey, ServerConfig};
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// server name (hostname or ip address) in ascii lower case
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pub type ServerNameLC = Vec<u8>;
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pub struct Backends {
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pub apps: HashMap<String, Backend>, // TODO: hyper::uriで抜いたhostで引っ掛ける。Stringでいいのか？
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pub default_app: Option<String>, // for plaintext http
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pub apps: HashMap<ServerNameLC, Backend>, // TODO: hyper::uriで抜いたhostで引っ掛ける。Stringでいいのか？
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pub default_server_name: Option<ServerNameLC>, // for plaintext http
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}
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pub struct Backend {
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@ -23,27 +23,27 @@ where
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// Here we start to handle with server_name
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// Find backend application for given server_name, and drop if incoming request is invalid as request.
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let (server_name, _port) = parse_host_port(&req)?;
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// let (server_name, _port) = parse_host_port(&req)?;
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let server_name_bytes = req.parse_host()?.to_ascii_lowercase();
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if !self.backends.apps.contains_key(&server_name) && self.backends.default_app.is_none() {
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let backend = if let Some(be) = self.backends.apps.get(&server_name_bytes) {
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be
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} else if let Some(default_server_name) = &self.backends.default_server_name {
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debug!("Serving by default app");
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self.backends.apps.get(default_server_name).unwrap()
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} else {
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// info!("{} => {}", request_log, StatusCode::SERVICE_UNAVAILABLE);
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return http_error(StatusCode::SERVICE_UNAVAILABLE);
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}
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let backend = if let Some(be) = self.backends.apps.get(&server_name) {
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be
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} else {
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let default_be = self.backends.default_app.as_ref().unwrap();
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debug!("Serving by default app: {}", default_be);
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self.backends.apps.get(default_be).unwrap()
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};
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// Redirect to https if !tls_enabled and redirect_to_https is true
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if !self.tls_enabled && backend.https_redirection.unwrap_or(false) {
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debug!("Redirect to secure connection: {}", server_name);
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debug!("Redirect to secure connection: {}", &backend.server_name);
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// info!("{} => {}", request_log, StatusCode::PERMANENT_REDIRECT);
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return secure_redirection(&server_name, self.globals.https_port, &req);
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return secure_redirection(&backend.server_name, self.globals.https_port, &req);
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}
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///////////////////////
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// Find reverse proxy for given path and choose one of upstream host
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// TODO: More flexible path matcher
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let path = req.uri().path();
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@ -59,6 +59,7 @@ where
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} else {
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return http_error(StatusCode::INTERNAL_SERVER_ERROR);
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};
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///////////////////////
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// Upgrade in request header
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let upgrade_in_request = extract_upgrade(req.headers());
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@ -77,7 +78,8 @@ where
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error!("Failed to generate destination uri for reverse proxy");
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return http_error(StatusCode::SERVICE_UNAVAILABLE);
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};
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debug!("Request to be forwarded: {:?}", req_forwarded);
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// debug!("Request to be forwarded: {:?}", req_forwarded);
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req_forwarded.log(&client_addr, Some("Forwarding"));
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// Forward request to
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let mut res_backend = match self.forwarder.request(req_forwarded).await {
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@ -87,21 +89,6 @@ where
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return http_error(StatusCode::BAD_REQUEST);
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}
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};
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#[cfg(feature = "h3")]
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{
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if self.globals.http3 {
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if let Some(port) = self.globals.https_port {
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let alt_svc_value = HeaderValue::from_str(&format!(
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"h3=\":{}\"; ma={}, h3-29=\":{}\"; ma={}",
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port, H3_ALT_SVC_MAX_AGE, port, H3_ALT_SVC_MAX_AGE
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))
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.unwrap();
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res_backend
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.headers_mut()
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.insert(header::ALT_SVC, alt_svc_value);
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}
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}
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}
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debug!("Response from backend: {:?}", res_backend.status());
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// let response_log = res_backend.status().to_string();
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@ -175,6 +162,21 @@ where
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"server",
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&format!("{}/{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION")),
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)?;
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#[cfg(feature = "h3")]
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{
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if self.globals.http3 {
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if let Some(port) = self.globals.https_port {
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append_header_entry(
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headers,
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header::ALT_SVC.as_str(),
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&format!(
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"h3=\":{}\"; ma={}, h3-29=\":{}\"; ma={}",
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port, H3_ALT_SVC_MAX_AGE, port, H3_ALT_SVC_MAX_AGE
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),
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)?;
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}
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}
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}
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Ok(())
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}
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@ -192,7 +194,9 @@ where
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// Add te: trailer if contained in original request
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let te_trailers = {
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if let Some(te) = req.headers().get(header::TE) {
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te.to_str()?.split(',').any(|x| x.trim() == "trailers")
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te.as_bytes()
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.split(|v| v == &b',' || v == &b' ')
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.any(|x| x == "trailers".as_bytes())
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} else {
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false
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}
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@ -205,7 +209,6 @@ where
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remove_hop_header(headers);
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// X-Forwarded-For
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add_forwarding_header(headers, client_addr, self.tls_enabled)?;
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// println!("{:?}", headers);
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// Add te: trailer if te_trailer
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if te_trailers {
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@ -214,10 +217,14 @@ where
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// add "host" header of original server_name if not exist (default)
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if req.headers().get(header::HOST).is_none() {
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let org_host = req.uri().host().unwrap_or("none").to_owned();
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let org_host = req
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.uri()
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.host()
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.ok_or_else(|| anyhow!("Invalid request"))?
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.to_owned();
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req
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.headers_mut()
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.insert(header::HOST, HeaderValue::from_str(org_host.as_str())?);
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.insert(header::HOST, HeaderValue::from_str(&org_host)?);
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};
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// apply upstream-specific headers given in upstream_option
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@ -1,4 +1,7 @@
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use super::proxy_main::{LocalExecutor, Proxy};
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use super::{
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proxy_main::{LocalExecutor, Proxy},
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ServerNameLC,
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};
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use crate::{constants::*, error::*, log::*};
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#[cfg(feature = "h3")]
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use futures::StreamExt;
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@ -9,7 +12,7 @@ use rustls::ServerConfig;
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use std::sync::Arc;
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use tokio::{net::TcpListener, sync::watch, time::Duration};
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type ServerCryptoMap = HashMap<String, ServerConfig>;
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type ServerCryptoMap = HashMap<ServerNameLC, Arc<ServerConfig>>;
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impl<T> Proxy<T>
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where
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@ -18,16 +21,19 @@ where
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async fn cert_service(&self, server_crypto_tx: watch::Sender<Option<ServerCryptoMap>>) {
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info!("Start cert watch service");
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loop {
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let mut hm_server_config = HashMap::<String, ServerConfig>::default();
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for (server_name, backend) in self.backends.apps.iter() {
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let mut hm_server_config = HashMap::<ServerNameLC, Arc<ServerConfig>>::default();
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for (server_name_bytes, backend) in self.backends.apps.iter() {
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if backend.tls_cert_key_path.is_some() && backend.tls_cert_path.is_some() {
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match backend.update_server_config().await {
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Err(_e) => {
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error!("Failed to update certs for {}: {}", server_name, _e);
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error!(
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"Failed to update certs for {}: {}",
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&backend.server_name, _e
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);
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break;
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}
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Ok(server_config) => {
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hm_server_config.insert(server_name.to_owned(), server_config);
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hm_server_config.insert(server_name_bytes.to_vec(), Arc::new(server_config));
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}
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}
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}
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@ -66,21 +72,20 @@ where
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let start = acceptor.unwrap();
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let client_hello = start.client_hello();
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debug!("SNI in ClientHello: {:?}", client_hello.server_name());
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// Find server config for given SNI
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let svn = if let Some(svn) = client_hello.server_name() {
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svn
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} else {
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if client_hello.server_name().is_none(){
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info!("No SNI in ClientHello");
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continue;
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};
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let server_crypto = if let Some(p) = server_crypto_map.as_ref().unwrap().get(svn) {
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p.to_owned()
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} else {
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}
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let server_name = client_hello.server_name().unwrap().to_ascii_lowercase();
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debug!("SNI in ClientHello: {:?}", server_name);
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let server_crypto = server_crypto_map.as_ref().unwrap().get(server_name.as_bytes());
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if server_crypto.is_none() {
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debug!("No TLS serving app for {}", server_name);
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continue;
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};
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// Finally serve the TLS connection
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if let Ok(stream) = start.into_stream(Arc::new(server_crypto)).await {
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if let Ok(stream) = start.into_stream(server_crypto.unwrap().clone()).await {
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self.clone().client_serve(stream, server.clone(), _client_addr).await
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}
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}
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@ -101,7 +106,7 @@ where
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&self,
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peeked_conn: &mut quinn::Connecting,
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server_crypto_map: &ServerCryptoMap,
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) -> Option<ServerConfig> {
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) -> Option<Arc<ServerConfig>> {
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let hsd = if let Ok(h) = peeked_conn.handshake_data().await {
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h
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} else {
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@ -112,12 +117,14 @@ where
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} else {
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return None;
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};
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let server_name = hsd_downcast.server_name?;
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let server_name = hsd_downcast.server_name?.to_ascii_lowercase();
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info!(
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"HTTP/3 connection incoming (SNI {:?}): Overwrite ServerConfig",
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server_name
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);
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server_crypto_map.get(&server_name).cloned()
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server_crypto_map
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.get(&server_name.as_bytes().to_vec())
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.cloned()
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}
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#[cfg(feature = "h3")]
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@ -127,20 +134,20 @@ where
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) -> Result<()> {
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// TODO: Work around to initially serve incoming connection
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// かなり適当。エラーが出たり出なかったり。原因がわからない…
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let tls_app_names: Vec<String> = self
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let next = self
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.backends
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.apps
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.iter()
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.filter(|&(_, backend)| {
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backend.tls_cert_key_path.is_some() && backend.tls_cert_path.is_some()
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})
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.map(|(name, _)| name.to_string())
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.collect();
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ensure!(!tls_app_names.is_empty(), "No TLS supported app");
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let initial_app_name = tls_app_names.get(0).ok_or_else(|| anyhow!(""))?.as_str();
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.map(|(name, _)| name)
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.next();
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ensure!(next.is_some(), "No TLS supported app");
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let initial_app_name = next.ok_or_else(|| anyhow!(""))?;
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debug!(
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"HTTP/3 SNI multiplexer initial app_name: {}",
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initial_app_name
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"HTTP/3 SNI multiplexer initial app_name: {:?}",
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String::from_utf8(initial_app_name.to_vec())
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);
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let backend_serve = self
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.backends
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@ -168,7 +175,7 @@ where
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let is_acceptable =
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if let Some(new_server_crypto) = self.parse_sni_and_get_crypto_h3(peeked_conn, server_crypto_map.as_ref().unwrap()).await {
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// Set ServerConfig::set_server_config for given SNI
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endpoint.set_server_config(Some(quinn::ServerConfig::with_crypto(Arc::new(new_server_crypto))));
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endpoint.set_server_config(Some(quinn::ServerConfig::with_crypto(new_server_crypto)));
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true
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} else {
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false
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@ -1,5 +1,5 @@
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use crate::{error::*, log::*, utils::*};
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use hyper::{header, Request, Uri};
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use hyper::{header, Request};
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use std::fmt::Display;
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////////////////////////////////////////////////////
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@ -36,12 +36,14 @@ impl<B> MsgLog for &Request<B> {
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}
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}
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pub(super) fn parse_host_port<B: core::fmt::Debug>(
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req: &Request<B>,
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) -> Result<(String, Option<u16>)> {
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let headers_host = req.headers().get("host");
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let uri_host = req.uri().host();
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let uri_port = req.uri().port_u16();
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pub trait ParseHost {
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fn parse_host(&self) -> Result<&[u8]>;
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}
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impl<B> ParseHost for Request<B> {
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fn parse_host(&self) -> Result<&[u8]> {
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let headers_host = self.headers().get(header::HOST);
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let uri_host = self.uri().host();
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// let uri_port = self.uri().port_u16();
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ensure!(
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!(headers_host.is_none() && uri_host.is_none()),
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@ -49,16 +51,55 @@ pub(super) fn parse_host_port<B: core::fmt::Debug>(
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);
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// prioritize server_name in uri
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if let Some(v) = uri_host {
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Ok((v.to_string(), uri_port))
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uri_host.map_or_else(
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|| {
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let m = headers_host.unwrap().as_bytes();
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if m.starts_with(&[b'[']) {
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println!("v6 bracket");
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// v6 address with bracket case. if port is specified, always it is in this case.
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let mut iter = m.split(|ptr| ptr == &b'[' || ptr == &b']');
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iter.next().ok_or_else(|| anyhow!("Invalid Host"))?; // first item is always blank
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iter.next().ok_or_else(|| anyhow!("Invalid Host"))
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} else if m.len() - m.split(|v| v == &b':').fold(0, |acc, s| acc + s.len()) >= 2 {
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println!("v6 non-bracket");
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// v6 address case, if 2 or more ':' is contained
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Ok(m)
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} else {
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let uri_from_host = headers_host.unwrap().to_str()?.parse::<Uri>()?;
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Ok((
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uri_from_host
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.host()
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.ok_or_else(|| anyhow!("Failed to parse host"))?
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.to_string(),
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uri_from_host.port_u16(),
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))
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// v4 address or hostname
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m.split(|colon| colon == &b':')
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.into_iter()
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.next()
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.ok_or_else(|| anyhow!("Invalid Host"))
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}
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},
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|v| Ok(v.as_bytes()),
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)
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}
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}
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// pub(super) fn parse_host_port<B: core::fmt::Debug>(
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// req: &Request<B>,
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// ) -> Result<(String, Option<u16>)> {
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// let headers_host = req.headers().get("host");
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// let uri_host = req.uri().host();
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// let uri_port = req.uri().port_u16();
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// ensure!(
|
||||
// !(headers_host.is_none() && uri_host.is_none()),
|
||||
// "No host in request header"
|
||||
// );
|
||||
|
||||
// // prioritize server_name in uri
|
||||
// if let Some(v) = uri_host {
|
||||
// Ok((v.to_string(), uri_port))
|
||||
// } else {
|
||||
// let uri_from_host = headers_host.unwrap().to_str()?.parse::<Uri>()?;
|
||||
// Ok((
|
||||
// uri_from_host
|
||||
// .host()
|
||||
// .ok_or_else(|| anyhow!("Failed to parse host"))?
|
||||
// .to_string(),
|
||||
// uri_from_host.port_u16(),
|
||||
// ))
|
||||
// }
|
||||
// }
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue