Package com.sshtools.j2ssh.io

Examples of com.sshtools.j2ssh.io.ByteArrayWriter

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     *
     * @throws InvalidMessageException
     */
    public byte[] toByteArray() throws InvalidMessageException {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            baw.write(type);
            constructByteArray(baw);

            return baw.toByteArray();
        } catch (IOException ioe) {
            throw new InvalidMessageException(
                "The message data cannot be written!");
        }
    }
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    private void collectNextMessage() throws IOException {
        SubsystemMessage msg = messageStore.nextMessage();

        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            byte[] data = msg.toByteArray();
            baw.writeInt(data.length);
            baw.write(data);
            msgdata = baw.toByteArray();
        } catch (InvalidMessageException ime) {
            throw new IOException(
                "An invalid message was encountered in the inputstream");
        }
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        if ((getUsername() == null) || (key == null)) {
            throw new AuthenticationProtocolException(
                "You must supply a username and a key");
        }

        ByteArrayWriter baw = new ByteArrayWriter();
        log.info("Generating data to sign");

        SshPublicKey pub = key.getPublicKey();
        InetAddress addr = InetAddress.getLocalHost();
        String hostname = addr.getHostName();
        log.info("Preparing hostbased authentication request for " + hostname);

        // Now prepare and send the message
        baw.writeString(pub.getAlgorithmName());
        baw.writeBinaryString(pub.getEncoded());
        baw.writeString(hostname);

        if (clientUser != null) {
            baw.writeString(clientUser);
        } else {
            baw.writeString(getUsername());
        }

        // Create the signature data
        ByteArrayWriter data = new ByteArrayWriter();
        data.writeBinaryString(authentication.getSessionIdentifier());
        data.write(SshMsgUserAuthRequest.SSH_MSG_USERAUTH_REQUEST);
        data.writeString(getUsername());
        data.writeString(serviceToStart);
        data.writeString(getMethodName());
        data.writeString(pub.getAlgorithmName());
        data.writeBinaryString(pub.getEncoded());
        data.writeString(hostname);

        if (clientUser != null) {
            data.writeString(clientUser);
        } else {
            data.writeString(getUsername());
        }

        // Generate the signature
        baw.writeBinaryString(key.generateSignature(data.toByteArray()));

        SshMsgUserAuthRequest msg = new SshMsgUserAuthRequest(getUsername(),
                serviceToStart, getMethodName(), baw.toByteArray());
        authentication.sendMessage(msg);
    }
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        authentication.registerMessage(SshMsgUserAuthPKOK.class,
            SshMsgUserAuthPKOK.SSH_MSG_USERAUTH_PK_OK);
        log.info(
            "Determining if server can accept public key for authentication");

        ByteArrayWriter baw = new ByteArrayWriter();

        // Now prepare and send the message
        baw.write(0);
        baw.writeString(key.getAlgorithmName());
        baw.writeBinaryString(key.getEncoded());

        SshMessage msg = new SshMsgUserAuthRequest(username, serviceToStart,
                getMethodName(), baw.toByteArray());
        authentication.sendMessage(msg);

        try {
            msg = authentication.readMessage(SshMsgUserAuthPKOK.SSH_MSG_USERAUTH_PK_OK);
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        if ((getUsername() == null) || (key == null)) {
            throw new AuthenticationProtocolException(
                "You must supply a username and a key");
        }

        ByteArrayWriter baw = new ByteArrayWriter();
        log.info("Generating data to sign");

        SshPublicKey pub = key.getPublicKey();
        log.info("Preparing public key authentication request");

        // Now prepare and send the message
        baw.write(1);
        baw.writeString(pub.getAlgorithmName());
        baw.writeBinaryString(pub.getEncoded());

        // Create the signature data
        ByteArrayWriter data = new ByteArrayWriter();
        data.writeBinaryString(authentication.getSessionIdentifier());
        data.write(SshMsgUserAuthRequest.SSH_MSG_USERAUTH_REQUEST);
        data.writeString(getUsername());
        data.writeString(serviceToStart);
        data.writeString(getMethodName());
        data.write(1);
        data.writeString(pub.getAlgorithmName());
        data.writeBinaryString(pub.getEncoded());

        // Generate the signature
        baw.writeBinaryString(key.generateSignature(data.toByteArray()));

        SshMsgUserAuthRequest msg = new SshMsgUserAuthRequest(getUsername(),
                serviceToStart, getMethodName(), baw.toByteArray());
        authentication.sendMessage(msg);
    }
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        authentication.registerMessage(SshMsgUserAuthPwdChangeReq.class,
            SshMsgUserAuthPwdChangeReq.SSH_MSG_USERAUTH_PWD_CHANGEREQ);

        // Send a password authentication request
        ByteArrayWriter baw = new ByteArrayWriter();
        baw.write(0);
        baw.writeString(password);

        SshMsgUserAuthRequest msg = new SshMsgUserAuthRequest(getUsername(),
                serviceToStart, "password", baw.toByteArray());
        authentication.sendMessage(msg);

        SshMsgUserAuthPwdChangeReq pwd = (SshMsgUserAuthPwdChangeReq) authentication.readMessage(SshMsgUserAuthPwdChangeReq.SSH_MSG_USERAUTH_PWD_CHANGEREQ);

        if (changePrompt != null) {
            String newpassword = changePrompt.changePassword(pwd.getPrompt());

            if (newpassword != null) {
                log.debug("Setting new password");
                baw = new ByteArrayWriter();
                baw.write(1);
                baw.writeString(password);
                baw.writeString(newpassword);
                msg = new SshMsgUserAuthRequest(getUsername(), serviceToStart,
                        "password", baw.toByteArray());
                authentication.sendMessage(msg);
            } else {
                throw new TerminatedStateException(AuthenticationProtocolState.FAILED);
            }
        } else {
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        authentication.registerMessage(SshMsgUserAuthInfoRequest.class,
            SshMsgUserAuthInfoRequest.SSH_MSG_USERAUTH_INFO_REQUEST);

        // Send the authentication request
        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeString("");
        baw.writeString("");

        SshMessage msg = new SshMsgUserAuthRequest(getUsername(),
                serviceToStart, getMethodName(), baw.toByteArray());
        authentication.sendMessage(msg);

        // Read a message
        while (true) {
            msg = authentication.readMessage(SshMsgUserAuthInfoRequest.SSH_MSG_USERAUTH_INFO_REQUEST);
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    public boolean setEnvironmentVariable(String name, String value)
        throws IOException {
        log.debug("Requesting environment variable to be set [" + name + "=" +
            value + "]");

        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeString(name);
        baw.writeString(value);

        return connection.sendChannelRequest(this, "env", true,
            baw.toByteArray());
    }
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    public boolean requestX11Forwarding(int display, String cookie)
        throws IOException {
        log.debug("Requesting X11 forwarding for display " + display +
            " using cookie " + cookie);

        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeBoolean(false);
        baw.writeString("MIT-MAGIC-COOKIE-1");
        baw.writeString(cookie);
        baw.writeUINT32(new UnsignedInteger32(String.valueOf(display)));

        return connection.sendChannelRequest(this, "x11-req", true,
            baw.toByteArray());
    }
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     */
    public void changeTerminalDimensions(PseudoTerminal term)
        throws IOException {
        log.debug("Changing terminal dimensions");

        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeInt(term.getColumns());
        baw.writeInt(term.getRows());
        baw.writeInt(term.getWidth());
        baw.writeInt(term.getHeight());
        connection.sendChannelRequest(this, "window-change", false,
            baw.toByteArray());
    }
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Related Classes of com.sshtools.j2ssh.io.ByteArrayWriter

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  • com.sshtools.j2ssh.agent.AgentSocketChannel
  • com.sshtools.j2ssh.agent.KeyConstraints
  • com.sshtools.j2ssh.authentication.HostbasedAuthenticationClient
  • com.sshtools.j2ssh.authentication.KBIAuthenticationClient
  • com.sshtools.j2ssh.authentication.PasswordAuthenticationClient
  • com.sshtools.j2ssh.authentication.PublicKeyAuthenticationClient
  • com.sshtools.j2ssh.connection.SocketChannel$SocketReader
  • com.sshtools.j2ssh.forwarding.ForwardingChannelImpl
  • com.sshtools.j2ssh.forwarding.ForwardingClient
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