49 lines
1.6 KiB
Rust
49 lines
1.6 KiB
Rust
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use std::io::prelude::*;
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use std::io;
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use std::net::{SocketAddr, TcpStream};
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use xml::reader::{EventReader, XmlEvent};
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use ns;
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use error::Error;
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use openssl::ssl::{SslMethod, SslConnectorBuilder, SslStream};
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pub struct SslTransport {
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inner: SslStream<TcpStream>,
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}
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impl SslTransport {
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pub fn connect(host: &str, port: u16) -> Result<SslTransport, Error> {
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// TODO: very quick and dirty, blame starttls
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let mut stream = TcpStream::connect((host, port))?;
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write!(stream, "<stream:stream xmlns='{}' xmlns:stream='{}' to='{}' version='1.0'>"
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, ns::CLIENT, ns::STREAM, host)?;
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write!(stream, "<starttls xmlns='{}'/>"
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, ns::TLS)?;
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let mut parser = EventReader::new(stream);
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loop { // TODO: possibly a timeout?
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match parser.next()? {
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XmlEvent::StartElement { name, namespace, .. } => {
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if let Some(ns) = name.namespace {
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if ns == ns::TLS && name.local_name == "proceed" {
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break;
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}
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else if ns == ns::STREAM && name.local_name == "error" {
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return Err(Error::StreamError);
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}
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}
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},
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_ => {},
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}
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}
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let stream = parser.into_inner();
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let ssl_connector = SslConnectorBuilder::new(SslMethod::tls())?.build();
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let ssl_stream = ssl_connector.connect(host, stream)?;
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Ok(SslTransport {
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inner: ssl_stream
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})
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}
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}
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