@Override
  public Session connect(UserDetails userDetails, boolean verifyHostKey) throws Throwable {
    ConnectionInfo connInfo =
        ganymedConn.connect(
            verifyHostKey
                ? new ServerHostKeyVerifier() {

                  @Override
                  public boolean verifyServerHostKey(
                      String hostname,
                      int port,
                      String serverHostKeyAlgorithm,
                      byte[] serverHostKey)
                      throws Exception {
                    if (_serverDetails.hostKey() == null) {
                      // no host key is stored locally.
                      return false;
                    }
                    if (!_serverDetails.host().equals(hostname)) {
                      // host name not equal
                      return false;
                    }
                    String algorithm = _serverDetails.hostKeyAlgorithm();
                    if (algorithm == null || !algorithm.equals(serverHostKeyAlgorithm)) {
                      // host key algorithm does not match
                      return false;
                    }
                    byte[] hostKey = _serverDetails.hostKeyBytes();
                    return Arrays.equals(hostKey, serverHostKey);
                  }
                }
                : null);
    if (connInfo.serverHostKey != null && _serverDetails.hostKey() == null) {
      _serverDetails.setHostKey(connInfo.serverHostKey);
    }
    boolean authenticated = false;
    if (userDetails.password() == null && userDetails.privateKey() == null) {
      throw new IllegalArgumentException(
          "Expecting user password or private key. None is specified.");
    }
    if (userDetails.password() != null) {
      authenticated =
          ganymedConn.authenticateWithPassword(userDetails.username(), userDetails.password());
    }
    if (!authenticated && userDetails.privateKey() != null) {
      authenticated =
          ganymedConn.authenticateWithPublicKey(
              userDetails.username(),
              userDetails.privateKey().toCharArray(),
              userDetails.passphrase());
    }
    if (!authenticated) {
      throw new RuntimeException("Failed to authenticate user " + userDetails.username());
    }
    GanymedSession session = new GanymedSession(userDetails, this);
    session.open();
    return session;
  }
Example #2
0
  @Override
  public Object beginMultiple(Map<String, String> parameters) throws Throwable {

    Params params = Params.parse(parameters);
    ServerDetails serverDetails = params.serverDetails();
    Connection conn = Ssh.get().getConnection(serverDetails);
    Session session = conn.connect(params.userDetails(), serverDetails.hostKey() != null);
    MultiTransferContext mctx = new MultiTransferContext(conn, session);
    _mctxs.add(mctx);
    return mctx;
  }
 public GanymedConnection(ServerDetails serverDetails) {
   _serverDetails = serverDetails;
   ganymedConn = new ch.ethz.ssh2.Connection(_serverDetails.host(), _serverDetails.port());
 }