thrussh 0.19.4

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)