Examples with ReadOnlyBufferException java.nio.ReadOnlyBufferException used on opensource projects

Example 16 with ReadOnlyBufferException

use of java.nio.ReadOnlyBufferException in project XobotOS by xamarin.

the class SSLEngineImpl method unwrap.

/**
     * Decodes one complete SSL/TLS record provided in the source buffer.
     * If decoded record contained application data, this data will
     * be placed in the destination buffers.
     * For more information about TLS record fragmentation see
     * TLS v 1 specification (http://www.ietf.org/rfc/rfc2246.txt) p 6.2.
     * @param src source buffer containing SSL/TLS record.
     * @param dsts destination buffers to place received application data.
     * @see javax.net.ssl.SSLEngine#unwrap(ByteBuffer,ByteBuffer[],int,int)
     * method documentation for more information
     */
@Override
public SSLEngineResult unwrap(ByteBuffer src, ByteBuffer[] dsts, int offset, int length) throws SSLException {
    if (engine_was_shutteddown) {
        return new SSLEngineResult(SSLEngineResult.Status.CLOSED, SSLEngineResult.HandshakeStatus.NOT_HANDSHAKING, 0, 0);
    }
    if ((src == null) || (dsts == null)) {
        throw new IllegalStateException("Some of the input parameters are null");
    }
    if (!handshake_started) {
        beginHandshake();
    }
    SSLEngineResult.HandshakeStatus handshakeStatus = getHandshakeStatus();
    // check if this call was made in spite of handshake status
    if ((session == null || engine_was_closed) && (handshakeStatus.equals(SSLEngineResult.HandshakeStatus.NEED_WRAP) || handshakeStatus.equals(SSLEngineResult.HandshakeStatus.NEED_TASK))) {
        return new SSLEngineResult(getEngineStatus(), handshakeStatus, 0, 0);
    }
    if (src.remaining() < recordProtocol.getMinRecordSize()) {
        return new SSLEngineResult(SSLEngineResult.Status.BUFFER_UNDERFLOW, getHandshakeStatus(), 0, 0);
    }
    try {
        src.mark();
        // check the destination buffers and count their capacity
        int capacity = 0;
        for (int i = offset; i < offset + length; i++) {
            if (dsts[i] == null) {
                throw new IllegalStateException("Some of the input parameters are null");
            }
            if (dsts[i].isReadOnly()) {
                throw new ReadOnlyBufferException();
            }
            capacity += dsts[i].remaining();
        }
        if (capacity < recordProtocol.getDataSize(src.remaining())) {
            return new SSLEngineResult(SSLEngineResult.Status.BUFFER_OVERFLOW, getHandshakeStatus(), 0, 0);
        }
        recProtIS.setSourceBuffer(src);
        // unwrap the record contained in source buffer, pass it
        // to appropriate client protocol (alert, handshake, or app)
        // and retrieve the type of unwrapped data
        int type = recordProtocol.unwrap();
        // process the data and return the result
        switch(type) {
            case ContentType.HANDSHAKE:
            case ContentType.CHANGE_CIPHER_SPEC:
                if (handshakeProtocol.getStatus().equals(SSLEngineResult.HandshakeStatus.FINISHED)) {
                    session = recordProtocol.getSession();
                }
                break;
            case ContentType.APPLICATION_DATA:
                break;
            case ContentType.ALERT:
                if (alertProtocol.isFatalAlert()) {
                    alertProtocol.setProcessed();
                    if (session != null) {
                        session.invalidate();
                    }
                    String description = "Fatal alert received " + alertProtocol.getAlertDescription();
                    shutdown();
                    throw new SSLException(description);
                } else {
                    if (logger != null) {
                        logger.println("Warning allert has been received: " + alertProtocol.getAlertDescription());
                    }
                    switch(alertProtocol.getDescriptionCode()) {
                        case AlertProtocol.CLOSE_NOTIFY:
                            alertProtocol.setProcessed();
                            close_notify_was_received = true;
                            if (!close_notify_was_sent) {
                                closeOutbound();
                                closeInbound();
                            } else {
                                closeInbound();
                                shutdown();
                            }
                            break;
                        case AlertProtocol.NO_RENEGOTIATION:
                            alertProtocol.setProcessed();
                            if (session == null) {
                                // handshake
                                throw new AlertException(AlertProtocol.HANDSHAKE_FAILURE, new SSLHandshakeException("Received no_renegotiation " + "during the initial handshake"));
                            } else {
                                // just stop the handshake
                                handshakeProtocol.stop();
                            }
                            break;
                        default:
                            alertProtocol.setProcessed();
                    }
                }
                break;
        }
        return new SSLEngineResult(getEngineStatus(), getHandshakeStatus(), recProtIS.consumed(), // and get the number of produced bytes:
        appData.placeTo(dsts, offset, length));
    } catch (BufferUnderflowException e) {
        // there was not enought data ource buffer to make complete packet
        src.reset();
        return new SSLEngineResult(SSLEngineResult.Status.BUFFER_UNDERFLOW, getHandshakeStatus(), 0, 0);
    } catch (AlertException e) {
        // fatal alert occured
        alertProtocol.alert(AlertProtocol.FATAL, e.getDescriptionCode());
        engine_was_closed = true;
        src.reset();
        if (session != null) {
            session.invalidate();
        }
        // to another peer (by wrap method)
        throw e.getReason();
    } catch (SSLException e) {
        throw e;
    } catch (IOException e) {
        alertProtocol.alert(AlertProtocol.FATAL, AlertProtocol.INTERNAL_ERROR);
        engine_was_closed = true;
        // to another peer (by wrap method)
        throw new SSLException(e.getMessage());
    }
}

Example 17 with ReadOnlyBufferException

use of java.nio.ReadOnlyBufferException in project robovm by robovm.

the class CipherTest method test_doFinalLjava_nio_ByteBufferLjava_nio_ByteBuffer.

public void test_doFinalLjava_nio_ByteBufferLjava_nio_ByteBuffer() throws Exception {
    byte[] b = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
    ByteBuffer bInput = ByteBuffer.allocate(64);
    ByteBuffer bOutput = ByteBuffer.allocate(64);
    AlgorithmParameterSpec ap = new IvParameterSpec(IV);
    Cipher c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    bInput.put(b, 0, 10);
    try {
        c.doFinal(bInput, bOutput);
        fail();
    } catch (IllegalBlockSizeException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    try {
        c.doFinal(bInput, bOutput);
        fail();
    } catch (IllegalStateException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES, ap);
    bInput = ByteBuffer.allocate(16);
    bInput.put(b, 0, 16);
    int len = c.doFinal(bInput, bOutput);
    assertEquals(0, len);
    c = Cipher.getInstance("DES/CBC/PKCS5Padding");
    c.init(Cipher.DECRYPT_MODE, CIPHER_KEY_DES, ap);
    bInput = ByteBuffer.allocate(64);
    try {
        c.doFinal(bOutput, bInput);
        fail();
    } catch (BadPaddingException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES);
    bInput.put(b, 0, 16);
    try {
        c.doFinal(bInput, bInput);
        fail();
    } catch (IllegalArgumentException expected) {
    }
    c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_DES);
    bInput.put(b, 0, 16);
    try {
        c.doFinal(bInput, bOutput.asReadOnlyBuffer());
        fail();
    } catch (ReadOnlyBufferException expected) {
    }
    bInput.rewind();
    bInput.put(b, 0, 16);
    bOutput = ByteBuffer.allocate(8);
    c = Cipher.getInstance("DESede");
    c.init(Cipher.ENCRYPT_MODE, CIPHER_KEY_3DES);
    try {
        c.doFinal(bInput, bOutput);
        fail();
    } catch (ShortBufferException expected) {
    }
}

Example 18 with ReadOnlyBufferException

use of java.nio.ReadOnlyBufferException in project robovm by robovm.

the class SSLEngineTest method test_wrap_ByteBuffer_ByteBuffer_02.

/**
     * javax.net.ssl.SSLEngine#wrap(ByteBuffer src, ByteBuffer dst)
     * ReadOnlyBufferException should be thrown.
     */
public void test_wrap_ByteBuffer_ByteBuffer_02() {
    String host = "new host";
    int port = 8080;
    ByteBuffer bbs = ByteBuffer.allocate(10);
    ByteBuffer bbd = ByteBuffer.allocate(100).asReadOnlyBuffer();
    SSLEngine sse = getEngine(host, port);
    sse.setUseClientMode(true);
    try {
        sse.wrap(bbs, bbd);
        fail("ReadOnlyBufferException wasn't thrown");
    } catch (ReadOnlyBufferException iobe) {
    //expected
    } catch (Exception e) {
        fail(e + " was thrown instead of ReadOnlyBufferException");
    }
}

Example 19 with ReadOnlyBufferException

use of java.nio.ReadOnlyBufferException in project robovm by robovm.

the class SSLEngineTest method test_wrap_03.

/**
     * javax.net.ssl.SSLEngine#wrap(ByteBuffer[] srcs, int offset,
     *                                     int length, ByteBuffer dst)
     * Exception case: ReadOnlyBufferException should be thrown.
     */
public void test_wrap_03() throws SSLException {
    String host = "new host";
    int port = 8080;
    ByteBuffer bb = ByteBuffer.allocate(10).asReadOnlyBuffer();
    ByteBuffer[] bbA = { ByteBuffer.allocate(5), ByteBuffer.allocate(10), ByteBuffer.allocate(5) };
    SSLEngine sse = getEngine(host, port);
    sse.setUseClientMode(true);
    try {
        sse.wrap(bbA, 0, bbA.length, bb);
        fail("ReadOnlyBufferException wasn't thrown");
    } catch (ReadOnlyBufferException iobe) {
    //expected
    }
}

Example 20 with ReadOnlyBufferException

use of java.nio.ReadOnlyBufferException in project robovm by robovm.

the class SSLEngineTest method test_wrap_ByteBuffer$ByteBuffer_02.

/**
     * javax.net.ssl.SSLEngine#wrap(ByteBuffer[] srcs, ByteBuffer dst)
     * ReadOnlyBufferException should be thrown.
     */
public void test_wrap_ByteBuffer$ByteBuffer_02() {
    String host = "new host";
    int port = 8080;
    ByteBuffer bb = ByteBuffer.allocate(10).asReadOnlyBuffer();
    ByteBuffer[] bbA = { ByteBuffer.allocate(5), ByteBuffer.allocate(10), ByteBuffer.allocate(5) };
    SSLEngine sse = getEngine(host, port);
    sse.setUseClientMode(true);
    try {
        sse.wrap(bbA, bb);
        fail("ReadOnlyBufferException wasn't thrown");
    } catch (ReadOnlyBufferException iobe) {
    //expected
    } catch (Exception e) {
        fail(e + " was thrown instead of ReadOnlyBufferException");
    }
}