Package com.sshtools.j2ssh.io

Examples of com.sshtools.j2ssh.io.ByteArrayReader

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                throw new InvalidChannelException(
                    "Local display has not been set for X11 forwarding.");
            }

            try {
                ByteArrayReader bar = new ByteArrayReader(requestData);
                String originatingHost = bar.readString();
                int originatingPort = (int) bar.readInt();
                log.debug("Creating socket to " +
                    x11ForwardingConfiguration.getHostToConnect() + "/" +
                    x11ForwardingConfiguration.getPortToConnect());

                Socket socket = new Socket(x11ForwardingConfiguration.getHostToConnect(),
                        x11ForwardingConfiguration.getPortToConnect());

                // Create the channel adding it to the active channels
                ForwardingSocketChannel channel = x11ForwardingConfiguration.createForwardingSocketChannel(channelType,
                        x11ForwardingConfiguration.getHostToConnect(),
                        x11ForwardingConfiguration.getPortToConnect(),
                        originatingHost, originatingPort);
                channel.bindSocket(socket);
                channel.addEventListener(x11ForwardingConfiguration.monitor);

                return channel;
            } catch (IOException ioe) {
                throw new InvalidChannelException(ioe.getMessage());
            }
        }

        if (channelType.equals(
                    ForwardingSocketChannel.REMOTE_FORWARDING_CHANNEL)) {
            try {
                ByteArrayReader bar = new ByteArrayReader(requestData);
                String addressBound = bar.readString();
                int portBound = (int) bar.readInt();
                String originatingHost = bar.readString();
                int originatingPort = (int) bar.readInt();
                ForwardingConfiguration config = getRemoteForwardingByAddress(addressBound,
                        portBound);
                Socket socket = new Socket(config.getHostToConnect(),
                        config.getPortToConnect());
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     * @throws AlgorithmNotSupportedException
     */
    public static SshPrivateKey decodePrivateKey(byte[] encoded)
        throws InvalidSshKeyException, AlgorithmNotSupportedException {
        try {
            ByteArrayReader bar = new ByteArrayReader(encoded);
            String algorithm = bar.readString();

            if (supportsKey(algorithm)) {
                SshKeyPair pair = newInstance(algorithm);

                return pair.decodePrivateKey(encoded);
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     * @throws AlgorithmNotSupportedException
     */
    public static SshPublicKey decodePublicKey(byte[] encoded)
        throws InvalidSshKeyException, AlgorithmNotSupportedException {
        try {
            ByteArrayReader bar = new ByteArrayReader(encoded);
            String algorithm = bar.readString();

            if (supportsKey(algorithm)) {
                SshKeyPair pair = newInstance(algorithm);

                return pair.decodePublicKey(encoded);
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     * @return
     *
     * @throws IOException
     */
    public SshPublicKey toPublicKey() throws IOException {
        ByteArrayReader bar = new ByteArrayReader(keyblob);
        String type = bar.readString();
        SshKeyPair pair = SshKeyPairFactory.newInstance(type);

        return pair.decodePublicKey(keyblob);
    }
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    public SshDssPublicKey(byte[] key) throws InvalidSshKeyException {
        try {
            DSAPublicKeySpec dsaKey;

            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger y = bar.readBigInteger();
            dsaKey = new DSAPublicKeySpec(y, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            pubkey = (DSAPublicKey) kf.generatePublic(dsaKey);
        } catch (Exception e) {
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    public boolean verifySignature(byte[] signature, byte[] data)
        throws InvalidSshKeySignatureException {
        try {
            // Check for differing version of the transport protocol
            if (signature.length != 40) {
                ByteArrayReader bar = new ByteArrayReader(signature);
                byte[] sig = bar.readBinaryString();

                //log.debug("Signature blob is " + new String(sig));
                String header = new String(sig);
                log.debug("Header is " + header);

                if (!header.equals("ssh-dss")) {
                    throw new InvalidSshKeySignatureException();
                }

                signature = bar.readBinaryString();

                //log.debug("Read signature from blob: " + new String(signature));
            }

            // Using a SimpleASNWriter
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     *
     * @return
     */
    public boolean isPassphraseProtected(byte[] formattedKey) {
        try {
            ByteArrayReader bar = new ByteArrayReader(getKeyBlob(formattedKey));
            String type = bar.readString();

            if (type.equals("none")) {
                return false;
            }

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    public SshDssPrivateKey(byte[] key) throws InvalidSshKeyException {
        try {
            DSAPrivateKeySpec dsaKey;

            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger x = bar.readBigInteger();
            dsaKey = new DSAPrivateKeySpec(x, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            prvkey = (DSAPrivateKey) kf.generatePrivate(dsaKey);
        } catch (Exception e) {
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     */
    public byte[] decryptKeyblob(byte[] formattedKey, String passphrase)
        throws InvalidSshKeyException {
        try {
            byte[] keyblob = getKeyBlob(formattedKey);
            ByteArrayReader bar = new ByteArrayReader(keyblob);
            String type = bar.readString();

            if (type.equalsIgnoreCase("3des-cbc")) {
                // Decrypt the key
                byte[] keydata = makePassphraseKey(passphrase);
                byte[] iv = new byte[8];

                if (type.equals("3DES-CBC")) {
                    bar.read(iv);
                }

                keyblob = bar.readBinaryString();

                Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
                KeySpec keyspec = new DESedeKeySpec(keydata);
                Key key = SecretKeyFactory.getInstance("DESede").generateSecret(keyspec);
                cipher.init(Cipher.DECRYPT_MODE, key,
                    new IvParameterSpec(iv, 0, cipher.getBlockSize()));

                ByteArrayReader data = new ByteArrayReader(cipher.doFinal(
                            keyblob));

                if (data.readInt() == cookie) {
                    keyblob = data.readBinaryString();
                } else {
                    throw new InvalidSshKeyException(
                        "The host key is invalid, check the passphrase supplied");
                }
            } else {
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                "The client can only request the " +
                "opening of a local forwarding channel");
        }

        try {
            ByteArrayReader bar = new ByteArrayReader(requestData);
            String hostToConnect = bar.readString();
            int portToConnect = (int) bar.readInt();
            String originatingHost = bar.readString();
            int originatingPort = (int) bar.readInt();

            // Get a configuration item for the forwarding
            ForwardingConfiguration config = getLocalForwardingByAddress(originatingHost,
                    originatingPort);
            Socket socket = new Socket(hostToConnect, portToConnect);
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Related Classes of com.sshtools.j2ssh.io.ByteArrayReader

  • com.sshtools.daemon.forwarding.ForwardingServer
  • com.sshtools.j2ssh.forwarding.ForwardingClient
  • com.sshtools.j2ssh.openssh.OpenSSHPrivateKeyFormat
  • com.sshtools.j2ssh.session.SessionChannelClient
  • com.sshtools.j2ssh.subsystem.SubsystemMessage
  • com.sshtools.j2ssh.transport.publickey.dsa.SshDssPrivateKey
  • com.sshtools.j2ssh.transport.publickey.dsa.SshDssPublicKey
  • com.sshtools.j2ssh.transport.publickey.rsa.SshRsaPrivateKey
  • com.sshtools.j2ssh.transport.publickey.SshKeyPairFactory
  • com.sshtools.j2ssh.transport.publickey.SshPublicKeyFile
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