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target | ||
Cargo.lock |
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categories = ["Added", "Changed", "Fixed", "Improved", "Removed"] | ||
category_delimiters = ["[", "]"] | ||
colored_output = true | ||
enable_debug = true | ||
enable_footers = false | ||
excluded_commit_tags = [] | ||
show_commit_hash = false | ||
show_prefix = false | ||
sort_by = "date" | ||
template_prefix = "" |
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[package] | ||
name = "tokio-rustls" | ||
version = "0.1.0" | ||
authors = ["quininer kel <[email protected]>"] | ||
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[dependencies] | ||
futures = "*" | ||
tokio-core = "*" | ||
rustls = "*" |
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extern crate futures; | ||
extern crate tokio_core; | ||
extern crate rustls; | ||
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use std::io; | ||
use std::sync::Arc; | ||
use futures::{ Future, Poll, Async }; | ||
use tokio_core::io::Io; | ||
use rustls::{ Session, ClientSession, ServerSession }; | ||
pub use rustls::{ ClientConfig, ServerConfig }; | ||
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pub trait TlsConnectorExt { | ||
fn connect_async<S>(&self, domain: &str, stream: S) | ||
-> ConnectAsync<S> | ||
where S: Io; | ||
} | ||
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pub trait TlsAcceptorExt { | ||
fn accept_async<S>(&self, stream: S) | ||
-> AcceptAsync<S> | ||
where S: Io; | ||
} | ||
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pub struct ConnectAsync<S>(MidHandshake<S, ClientSession>); | ||
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pub struct AcceptAsync<S>(MidHandshake<S, ServerSession>); | ||
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impl TlsConnectorExt for Arc<ClientConfig> { | ||
fn connect_async<S>(&self, domain: &str, stream: S) | ||
-> ConnectAsync<S> | ||
where S: Io | ||
{ | ||
ConnectAsync(MidHandshake { | ||
inner: Some(TlsStream::new(stream, ClientSession::new(self, domain))) | ||
}) | ||
} | ||
} | ||
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impl TlsAcceptorExt for Arc<ServerConfig> { | ||
fn accept_async<S>(&self, stream: S) | ||
-> AcceptAsync<S> | ||
where S: Io | ||
{ | ||
AcceptAsync(MidHandshake { | ||
inner: Some(TlsStream::new(stream, ServerSession::new(self))) | ||
}) | ||
} | ||
} | ||
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impl<S: Io> Future for ConnectAsync<S> { | ||
type Item = TlsStream<S, ClientSession>; | ||
type Error = io::Error; | ||
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> { | ||
self.0.poll() | ||
} | ||
} | ||
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impl<S: Io> Future for AcceptAsync<S> { | ||
type Item = TlsStream<S, ServerSession>; | ||
type Error = io::Error; | ||
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> { | ||
self.0.poll() | ||
} | ||
} | ||
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struct MidHandshake<S, C> { | ||
inner: Option<TlsStream<S, C>> | ||
} | ||
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impl<S, C> Future for MidHandshake<S, C> | ||
where S: Io, C: Session | ||
{ | ||
type Item = TlsStream<S, C>; | ||
type Error = io::Error; | ||
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fn poll(&mut self) -> Poll<Self::Item, Self::Error> { | ||
loop { | ||
let stream = self.inner.as_mut().unwrap_or_else(|| unreachable!()); | ||
if !stream.session.is_handshaking() { break }; | ||
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match stream.do_io() { | ||
Ok(()) => continue, | ||
Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => (), | ||
Err(e) => return Err(e) | ||
} | ||
if !stream.session.is_handshaking() { break }; | ||
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if stream.eof { | ||
return Err(io::Error::from(io::ErrorKind::UnexpectedEof)); | ||
} else { | ||
return Ok(Async::NotReady); | ||
} | ||
} | ||
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Ok(Async::Ready(self.inner.take().unwrap_or_else(|| unreachable!()))) | ||
} | ||
} | ||
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pub struct TlsStream<S, C> { | ||
eof: bool, | ||
io: S, | ||
session: C | ||
} | ||
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impl<S, C> TlsStream<S, C> | ||
where S: Io, C: Session | ||
{ | ||
#[inline] | ||
pub fn new(io: S, session: C) -> TlsStream<S, C> { | ||
TlsStream { | ||
eof: false, | ||
io: io, | ||
session: session | ||
} | ||
} | ||
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pub fn do_io(&mut self) -> io::Result<()> { | ||
loop { | ||
let read_would_block = match (!self.eof && self.session.wants_read(), self.io.poll_read()) { | ||
(true, Async::Ready(())) => { | ||
match self.session.read_tls(&mut self.io) { | ||
Ok(0) => self.eof = true, | ||
Ok(_) => self.session.process_new_packets() | ||
.map_err(|err| io::Error::new(io::ErrorKind::Other, err))?, | ||
Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => (), | ||
Err(e) => return Err(e) | ||
}; | ||
continue | ||
}, | ||
(true, Async::NotReady) => true, | ||
(false, _) => false, | ||
}; | ||
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let write_would_block = match (self.session.wants_write(), self.io.poll_write()) { | ||
(true, Async::Ready(())) => match self.session.write_tls(&mut self.io) { | ||
Ok(_) => continue, | ||
Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => continue, | ||
Err(e) => return Err(e) | ||
}, | ||
(true, Async::NotReady) => true, | ||
(false, _) => false | ||
}; | ||
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if read_would_block || write_would_block { | ||
return Err(io::Error::from(io::ErrorKind::WouldBlock)); | ||
} else { | ||
return Ok(()); | ||
} | ||
} | ||
} | ||
} | ||
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impl<S, C> io::Read for TlsStream<S, C> | ||
where S: Io, C: Session | ||
{ | ||
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { | ||
loop { | ||
match self.session.read(buf) { | ||
Ok(0) if !self.eof => self.do_io()?, | ||
output => return output | ||
} | ||
} | ||
} | ||
} | ||
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impl<S, C> io::Write for TlsStream<S, C> | ||
where S: Io, C: Session | ||
{ | ||
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { | ||
while self.session.wants_write() && self.io.poll_write().is_ready() { | ||
self.session.write_tls(&mut self.io)?; | ||
} | ||
self.session.write(buf) | ||
} | ||
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fn flush(&mut self) -> io::Result<()> { | ||
self.session.flush()?; | ||
while self.session.wants_write() && self.io.poll_write().is_ready() { | ||
self.session.write_tls(&mut self.io)?; | ||
} | ||
Ok(()) | ||
} | ||
} | ||
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impl<S, C> Io for TlsStream<S, C> where S: Io, C: Session {} |