120 lines
3.5 KiB
Rust
120 lines
3.5 KiB
Rust
extern crate clap;
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extern crate rustls;
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extern crate futures;
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extern crate tokio_io;
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extern crate tokio_core;
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extern crate webpki_roots;
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extern crate tokio_rustls;
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#[cfg(unix)]
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extern crate tokio_file_unix;
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use std::sync::Arc;
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use std::net::ToSocketAddrs;
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use std::io::{ BufReader, stdout, stdin };
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use std::fs;
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use futures::Future;
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use tokio_core::net::TcpStream;
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use tokio_core::reactor::Core;
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use tokio_io::io;
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use clap::{ App, Arg };
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use rustls::ClientConfig;
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use tokio_rustls::ClientConfigExt;
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#[cfg(unix)]
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use tokio_io::AsyncRead;
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#[cfg(unix)]
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use tokio_file_unix::{ StdFile, File };
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#[cfg(not(unix))]
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use std::io::{Read, Write};
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fn app() -> App<'static, 'static> {
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App::new("client")
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.about("tokio-rustls client example")
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.arg(Arg::with_name("host").value_name("HOST").required(true))
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.arg(Arg::with_name("port").short("p").long("port").value_name("PORT").help("port, default `443`"))
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.arg(Arg::with_name("domain").short("d").long("domain").value_name("DOMAIN").help("domain"))
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.arg(Arg::with_name("cafile").short("c").long("cafile").value_name("FILE").help("CA certificate chain"))
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}
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fn main() {
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let matches = app().get_matches();
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let host = matches.value_of("host").unwrap();
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let port = if let Some(port) = matches.value_of("port") {
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port.parse().unwrap()
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} else {
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443
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};
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let domain = matches.value_of("domain").unwrap_or(host);
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let cafile = matches.value_of("cafile");
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let text = format!("GET / HTTP/1.0\r\nHost: {}\r\n\r\n", domain);
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let mut core = Core::new().unwrap();
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let handle = core.handle();
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let addr = (host, port)
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.to_socket_addrs().unwrap()
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.next().unwrap();
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let mut config = ClientConfig::new();
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if let Some(cafile) = cafile {
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let mut pem = BufReader::new(fs::File::open(cafile).unwrap());
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config.root_store.add_pem_file(&mut pem).unwrap();
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} else {
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config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
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}
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let arc_config = Arc::new(config);
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let socket = TcpStream::connect(&addr, &handle);
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// Use async non-blocking I/O for stdin/stdout on Unixy platforms.
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#[cfg(unix)]
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let stdin = stdin();
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#[cfg(unix)]
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let stdin = File::new_nb(StdFile(stdin.lock())).unwrap()
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.into_io(&handle).unwrap();
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#[cfg(unix)]
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let stdout = stdout();
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#[cfg(unix)]
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let stdout = File::new_nb(StdFile(stdout.lock())).unwrap()
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.into_io(&handle).unwrap();
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#[cfg(unix)]
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let resp = socket
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.and_then(|stream| arc_config.connect_async(domain, stream))
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.and_then(|stream| io::write_all(stream, text.as_bytes()))
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.and_then(|(stream, _)| {
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let (r, w) = stream.split();
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io::copy(r, stdout)
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.map(|_| ())
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.select(io::copy(stdin, w).map(|_| ()))
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.map_err(|(e, _)| e)
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});
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// XXX: For now, just use blocking I/O for stdin/stdout on other platforms.
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// The network I/O will still be asynchronous and non-blocking.
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#[cfg(not(unix))]
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let mut input = Vec::new();
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#[cfg(not(unix))]
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stdin().read_to_end(&mut input).unwrap();
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#[cfg(not(unix))]
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let resp = socket
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.and_then(|stream| arc_config.connect_async(domain, stream))
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.and_then(|stream| io::write_all(stream, text.as_bytes()))
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.and_then(|(stream, _)| io::write_all(stream, &input))
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.and_then(|(stream, _)| io::read_to_end(stream, Vec::new()))
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.and_then(|(_, output)| stdout().write_all(&output));
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core.run(resp).unwrap();
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}
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