thrussh 0.10.1

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 futures;
xtern crate tokio_core;
xtern crate env_logger;
xtern crate ring;
se std::sync::Arc;
se thrussh::*;

[derive(Clone)]
truct 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 auth_publickey(mut self, _: &str, _: &key::PublicKey) -> Self::FutureAuth {
       futures::finished((self, server::Auth::Accept))
   }
   fn data(mut 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 std::net::ToSocketAddrs;
se futures::Future;
se tokio_core::net::TcpStream;
se tokio_core::reactor::Core;


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(mut self, server_public_key: &key::PublicKey) -> Self::FutureBool {
       println!("check_server_key: {:?}", server_public_key);
       futures::finished((self, true))
   }
   fn channel_open_confirmation(mut self, channel: ChannelId, session: client::Session) -> Self::SessionUnit {
       println!("channel_open_confirmation: {:?}", channel);
       futures::finished((self, session))
   }
   fn data(mut 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: Arc<client::Config>, addr: &str) {

       let addr = addr.to_socket_addrs().unwrap().next().unwrap();
       let mut l = Core::new().unwrap();
       let handle = l.handle();
       let done =
           TcpStream::connect(&addr, &handle).map_err(|err| HandlerError::Error(thrussh::Error::IO(err))).and_then(|socket| {

               println!("connected");
               let mut connection = client::Connection::new(
                   config.clone(),
                   socket,
                   self,
                   None
               ).unwrap();

               let key = thrussh::load_secret_key(&"/home/pe/.ssh/id_ed25519", None).unwrap();
               connection.authenticate_key("pe", key).and_then(|connection| {

                   connection.channel_open_session().and_then(move |(mut connection, chan)| {

                       connection.data(chan, None, b"First test").and_then(move |(connection, _)| {
                          connection.data(chan, None, b"Second test").and_then(move |(mut connection, _)| {
                             connection.disconnect(Disconnect::ByApplication, "Ciao", "");
                             connection
                          })
                       })
                   })
               })
           });
       l.run(done).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 = Arc::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 = Arc::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)