Fix bounds on ssl_read and ssl_write

This commit is contained in:
Steven Fackler 2015-12-15 20:06:07 -08:00
parent 90d317e03b
commit edfb318e0b
1 changed files with 28 additions and 28 deletions

View File

@ -1132,6 +1132,32 @@ impl<S: Read+Write> SslStream<S> {
pub fn accept_generic<T: IntoSsl>(ssl: T, stream: S) -> Result<SslStream<S>, SslError> {
Self::accept(ssl, stream)
}
/// Like `read`, but returns an `ssl::Error` rather than an `io::Error`.
///
/// This is particularly useful with a nonblocking socket, where the error
/// value will identify if OpenSSL is waiting on read or write readiness.
pub fn ssl_read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
let ret = self.ssl.read(buf);
if ret >= 0 {
Ok(ret as usize)
} else {
Err(self.make_error(ret))
}
}
/// Like `write`, but returns an `ssl::Error` rather than an `io::Error`.
///
/// This is particularly useful with a nonblocking socket, where the error
/// value will identify if OpenSSL is waiting on read or write readiness.
pub fn ssl_write(&mut self, buf: &[u8]) -> Result<usize, Error> {
let ret = self.ssl.write(buf);
if ret >= 0 {
Ok(ret as usize)
} else {
Err(self.make_error(ret))
}
}
}
impl<S> SslStream<S> {
@ -1218,32 +1244,6 @@ impl<S> SslStream<S> {
}
}
/// Like `read`, but returns an `ssl::Error` rather than an `io::Error`.
///
/// This is particularly useful with a nonblocking socket, where the error
/// value will identify if OpenSSL is waiting on read or write readiness.
pub fn ssl_read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
let ret = self.ssl.read(buf);
if ret >= 0 {
Ok(ret as usize)
} else {
Err(self.make_error(ret))
}
}
/// Like `write`, but returns an `ssl::Error` rather than an `io::Error`.
///
/// This is particularly useful with a nonblocking socket, where the error
/// value will identify if OpenSSL is waiting on read or write readiness.
pub fn ssl_write(&mut self, buf: &[u8]) -> Result<usize, Error> {
let ret = self.ssl.write(buf);
if ret >= 0 {
Ok(ret as usize)
} else {
Err(self.make_error(ret))
}
}
/// Returns the OpenSSL `Ssl` object associated with this stream.
pub fn ssl(&self) -> &Ssl {
&self.ssl
@ -1258,7 +1258,7 @@ impl SslStream<::std::net::TcpStream> {
}
}
impl<S: Read> Read for SslStream<S> {
impl<S: Read + Write> Read for SslStream<S> {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
match self.ssl_read(buf) {
Ok(n) => Ok(n),
@ -1271,7 +1271,7 @@ impl<S: Read> Read for SslStream<S> {
}
}
impl<S: Write> Write for SslStream<S> {
impl<S: Read + Write> Write for SslStream<S> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.ssl_write(buf).map_err(|e| {
match e {