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#![forbid(unsafe_code)]
use super::{constants, default_config, NonZeroByteSlice};
use std::borrow::Cow;
use std::path::Path;
use serde::ser::Serializer;
use serde::Serialize;
use typed_builder::TypedBuilder;
#[derive(Copy, Clone, Debug)]
pub enum Request<'a> {
Hello { version: u32 },
AliveCheck { request_id: u32 },
NewSession {
request_id: u32,
reserved: &'static str,
session: &'a Session<'a>,
},
OpenFwd { request_id: u32, fwd: &'a Fwd<'a> },
StopListening { request_id: u32 },
}
impl<'a> Serialize for Request<'a> {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
use constants::*;
use Request::*;
match self {
Hello { version } => {
serializer.serialize_newtype_variant("Request", MUX_MSG_HELLO, "Hello", version)
}
AliveCheck { request_id } => serializer.serialize_newtype_variant(
"Request",
MUX_C_ALIVE_CHECK,
"AliveCheck",
request_id,
),
NewSession {
request_id,
reserved,
session,
} => serializer.serialize_newtype_variant(
"Request",
MUX_C_NEW_SESSION,
"NewSession",
&(*request_id, reserved, *session),
),
OpenFwd { request_id, fwd } => serializer.serialize_newtype_variant(
"Request",
MUX_C_OPEN_FWD,
"OpenFwd",
&(*request_id, *fwd),
),
StopListening { request_id } => serializer.serialize_newtype_variant(
"Request",
MUX_C_STOP_LISTENING,
"StopListening",
request_id,
),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq, Hash, Serialize, TypedBuilder)]
#[builder(doc)]
pub struct Session<'a> {
#[builder(default = false)]
pub tty: bool,
#[builder(default = false)]
pub x11_forwarding: bool,
#[builder(default = false)]
pub agent: bool,
#[builder(default = false)]
pub subsystem: bool,
#[builder(default = char::MAX)]
pub escape_ch: char,
#[builder(default_code = r#"Cow::Borrowed(default_config::get_term().into())"#)]
pub term: Cow<'a, NonZeroByteSlice>,
pub cmd: Cow<'a, NonZeroByteSlice>,
}
#[derive(Copy, Clone, Debug)]
pub enum Fwd<'a> {
Local {
listen_socket: &'a Socket<'a>,
connect_socket: &'a Socket<'a>,
},
Remote {
listen_socket: &'a Socket<'a>,
connect_socket: &'a Socket<'a>,
},
Dynamic {
listen_socket: &'a Socket<'a>,
},
}
impl<'a> Serialize for Fwd<'a> {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
use Fwd::*;
match self {
Local {
listen_socket,
connect_socket,
} => serializer.serialize_newtype_variant(
"Fwd",
constants::MUX_FWD_LOCAL,
"Local",
&(*listen_socket, *connect_socket),
),
Remote {
listen_socket,
connect_socket,
} => serializer.serialize_newtype_variant(
"Fwd",
constants::MUX_FWD_REMOTE,
"Remote",
&(*listen_socket, *connect_socket),
),
Dynamic { listen_socket } => serializer.serialize_newtype_variant(
"Fwd",
constants::MUX_FWD_DYNAMIC,
"Dynamic",
&(
*listen_socket,
Socket::UnixSocket {
path: Path::new("").into(),
},
),
),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq, Hash)]
pub enum Socket<'a> {
UnixSocket { path: Cow<'a, Path> },
TcpSocket { port: u32, host: Cow<'a, str> },
}
impl<'a> Serialize for Socket<'a> {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
use Socket::*;
let unix_socket_port: i32 = -2;
match self {
UnixSocket { path } => (path, unix_socket_port as u32).serialize(serializer),
TcpSocket { port, host } => (host, *port).serialize(serializer),
}
}
}