Server and client SSH library, based on ring for its crypto, and tokio/futures for its network management. More information at pijul.org/thrussh.
Here is an example client and server:
xtern crate thrussh;
xtern crate thrussh_keys;
xtern crate futures;
xtern crate tokio_core;
xtern crate env_logger;
xtern crate ring;
se std::rc::Rc;
se thrussh::*;
se thrussh::server::{Auth, Session};
se thrussh_keys::*;
[derive(Clone)]
truct H{}
mpl server::Server for H {
type Handler = Self;
fn new(&self, _: SocketAddr) -> Self {
H{}
}
mpl server::Handler for H {
type Error = ();
type FutureAuth = futures::Finished<(Self, server::Auth), Self::Error>;
type FutureUnit = futures::Finished<(Self, server::Session), Self::Error>;
type FutureBool = futures::Finished<(Self, server::Session, bool), Self::Error>;
fn finished_auth(self, auth: Auth) -> Self::FutureAuth {
futures::finished((self, auth))
}
fn finished_bool(self, session: Session, b: bool) -> Self::FutureBool {
futures::finished((self, session, b))
}
fn finished(self, session: Session) -> Self::FutureUnit {
futures::finished((self, session))
}
fn auth_publickey(self, _: &str, _: &key::PublicKey) -> Self::FutureAuth {
futures::finished((self, server::Auth::Accept))
}
fn data(self, channel: ChannelId, data: &[u8], mut session: server::Session) -> Self::FutureUnit {
println!("data on channel {:?}: {:?}", channel, std::str::from_utf8(data));
session.data(channel, None, data).unwrap();
futures::finished((self, session))
}
se futures::Future;
se std::io::Read;
truct Client { }
mpl client::Handler for Client {
type Error = ();
type FutureBool = futures::Finished<(Self, bool), Self::Error>;
type FutureUnit = futures::Finished<Self, Self::Error>;
type SessionUnit = futures::Finished<(Self, client::Session), Self::Error>;
fn check_server_key(self, server_public_key: &key::PublicKey) -> Self::FutureBool {
println!("check_server_key: {:?}", server_public_key);
futures::finished((self, true))
}
fn channel_open_confirmation(self, channel: ChannelId, session: client::Session) -> Self::SessionUnit {
println!("channel_open_confirmation: {:?}", channel);
futures::finished((self, session))
}
fn data(self, channel: ChannelId, ext: Option<u32>, data: &[u8], session: client::Session) -> Self::SessionUnit {
println!("data on channel {:?} {:?}: {:?}", ext, channel, std::str::from_utf8(data));
futures::finished((self, session))
}
mpl Client {
fn run(self, config: Rc<client::Config>, _: &str) {
client::connect(
"127.0.0.1:2222", config, None, self,
|connection| {
let mut key_file = std::fs::File::open("/home/pe/.ssh/id_ed25519_pkcs8").unwrap();
let mut key = String::new();
key_file.read_to_string(&mut key).unwrap();
let key = load_secret_key(&key, None, None).unwrap();
connection.authenticate_key("pe", key)
.and_then(|session| {
session.channel_open_session().and_then(|(session, channelid)| {
session.data(channelid, None, "Hello, world!").and_then(|(mut session, _)| {
session.disconnect(Disconnect::ByApplication, "Ciao", "");
session
})
})
})
}).unwrap();
}
n main() {
env_logger::init().unwrap();
// Starting the server thread.
let t = std::thread::spawn(|| {
let rand = ring::rand::SystemRandom::new();
let mut config = thrussh::server::Config::default();
config.connection_timeout = Some(std::time::Duration::from_secs(600));
config.auth_rejection_time = std::time::Duration::from_secs(3);
config.keys.push(thrussh::key::Algorithm::generate_keypair(thrussh::key::ED25519, &rand).unwrap());
let config = Rc::new(config);
let sh = H{};
thrussh::server::run(config, "0.0.0.0:2222", sh);
});
std::thread::sleep(std::time::Duration::from_secs(1));
let mut config = thrussh::client::Config::default();
config.connection_timeout = Some(std::time::Duration::from_secs(600));
let config = Rc::new(config);
let sh = Client {};
sh.run(config, "127.0.0.1:2222");
// Kill the server thread after the client has ended.
std::mem::forget(t)