/*

 * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 5019096

 * @summary Add scatter/gather APIs for SSLEngine

 *

 * Check to see if the args are being parsed properly.

 *

 */

import javax.net.ssl.*;

import javax.net.ssl.SSLEngineResult.*;

import java.io.*;

import java.security.*;

import java.nio.*;

public class ArgCheck {

    private static boolean debug = false;

    private static String pathToStores = "../etc";

    private static String keyStoreFile = "keystore";

    private static String trustStoreFile = "truststore";

    private static String passwd = "passphrase";

    private static String keyFilename =

            System.getProperty("test.src", "./") + "/" + pathToStores +

                "/" + keyStoreFile;

    private static String trustFilename =

            System.getProperty("test.src", "./") + "/" + pathToStores +

                "/" + trustStoreFile;

    private static void tryNull(SSLEngine ssle, ByteBuffer appData,

            ByteBuffer netData) throws Exception {

        try {

            ssle.wrap(appData, netData);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

        try {

            ssle.unwrap(netData, appData);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

    }

    private static void tryNullArray(SSLEngine ssle, ByteBuffer [] appData,

            ByteBuffer netData) throws Exception {

        try {

            ssle.wrap(appData, netData);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

        try {

            ssle.unwrap(netData, appData);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

    }

    private static void tryNullArrayLen(SSLEngine ssle, ByteBuffer [] appData,

            int offset, int len, ByteBuffer netData) throws Exception {

        try {

            ssle.wrap(appData, offset, len, netData);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

        try {

            ssle.unwrap(netData, appData, offset, len);

            throw new Exception();

        } catch (IllegalArgumentException e) {

            System.out.println("Caught right exception");

        }

    }

    private static void tryReadOnly(SSLEngine ssle, ByteBuffer [] appData,

            int offset, int len, ByteBuffer netData) throws Exception {

        try {

            if (netData.isReadOnly()) {

                ssle.wrap(appData, offset, len, netData);

                throw new Exception();

            }

        } catch (ReadOnlyBufferException e) {

            System.out.println("Caught right exception");

        }

        try {

            if (!netData.isReadOnly()) {

                ssle.unwrap(netData, appData, offset, len);

                throw new Exception();

            }

        } catch (ReadOnlyBufferException e) {

            System.out.println("Caught right exception");

        }

    }

    private static void tryOutOfBounds(SSLEngine ssle, ByteBuffer [] appData,

            int offset, int len, ByteBuffer netData) throws Exception {

        try {

            ssle.wrap(appData, offset, len, netData);

            throw new Exception();

        } catch (IndexOutOfBoundsException e) {

            System.out.println("Caught right exception");

        }

        try {

            ssle.unwrap(netData, appData, offset, len);

            throw new Exception();

        } catch (IndexOutOfBoundsException e) {

            System.out.println("Caught right exception");

        }

    }

    private static void trySmallBufs(SSLEngine ssle,

            ByteBuffer appBB, ByteBuffer smallNetBB,

            ByteBuffer smallAppBB, ByteBuffer netBB) throws Exception {

        SSLEngineResult res = ssle.wrap(appBB, smallNetBB);

        if (res.getStatus() != Status.BUFFER_OVERFLOW) {

            throw new Exception();

        }

        // For unwrap(), the BUFFER_OVERFLOW will not be generated

        // until received SSL/TLS application data.

        // Test test/javax/net/ssl/NewAPIs/SSLEngine/LargePacket will check

        // BUFFER_OVERFLOW/UNDERFLOW for both wrap() and unwrap().

        //

        //res = ssle.unwrap(netBB, smallAppBB);

        //if (res.getStatus() != Status.BUFFER_OVERFLOW) {

        //    throw new Exception();

        //}

    }

    private static void trySmallBufsArray(SSLEngine ssle,

            ByteBuffer [] appBB, ByteBuffer smallNetBB,

            ByteBuffer [] smallAppBB, ByteBuffer netBB) throws Exception {

        SSLEngineResult res = ssle.wrap(appBB, 0, appBB.length, smallNetBB);

        if (res.getStatus() != Status.BUFFER_OVERFLOW) {

            throw new Exception();

        }

        // For unwrap(), the BUFFER_OVERFLOW will not be generated

        // until received SSL/TLS application data.

        // Test test/javax/net/ssl/NewAPIs/SSLEngine/LargePacket will check

        // BUFFER_OVERFLOW/UNDERFLOW for both wrap() and unwrap().

        //

        //res = ssle.unwrap(netBB, smallAppBB, 0, appBB.length);

        //if (res.getStatus() != Status.BUFFER_OVERFLOW) {

        //    throw new Exception();

        //}

    }

    private static void runTest(SSLEngine ssle) throws Exception {

        ByteBuffer [] bufs;

        ByteBuffer roBB = ByteBuffer.allocate(40).asReadOnlyBuffer();

        ByteBuffer bb1K = ByteBuffer.allocate(1024);

        ByteBuffer bb2K = ByteBuffer.allocate(2048);

        ByteBuffer bb4K = ByteBuffer.allocate(5096);

        ByteBuffer bb8K = ByteBuffer.allocate(10192);

        SSLSession ssls = ssle.getSession();

        ByteBuffer netBBMinus1 = ByteBuffer.allocate(

            ssls.getPacketBufferSize() - 1);

        ByteBuffer appBBMinus1 = ByteBuffer.allocate(

            ssls.getApplicationBufferSize() - 1);

        ByteBuffer bbNet = ByteBuffer.allocate(

            ssls.getPacketBufferSize());

        ByteBuffer bbApp = ByteBuffer.allocate(

            ssls.getApplicationBufferSize());

        bufs = new ByteBuffer [] { bb1K, bb2K, bb4K, bb8K};

        tryNull(ssle, null, null);

        tryNull(ssle, bb1K, null);

        tryNull(ssle, null, bb1K);

        tryNullArray(ssle, null, null);

        tryNullArray(ssle, bufs, null);

        tryNullArray(ssle, null, bb1K);

        tryNullArrayLen(ssle, null, 0, 4, null);

        tryNullArrayLen(ssle, bufs, 0, 4, null);

        tryNullArrayLen(ssle, null, 0, 4, bb1K);

        bufs[2] = null;

        tryNullArray(ssle, bufs, bb1K);

        bufs[2] = bb4K;

        tryReadOnly(ssle, bufs, 0, 4, roBB);

        bufs[2] = roBB;

        tryReadOnly(ssle, bufs, 0, 4, bb4K);

        bufs[2] = bb4K;

        tryOutOfBounds(ssle, bufs, -1, 0, bb1K);

        tryOutOfBounds(ssle, bufs, 0, -1, bb1K);

        tryOutOfBounds(ssle, bufs, 0, bufs.length + 1, bb1K);

        tryOutOfBounds(ssle, bufs, bufs.length, 1, bb1K);

        bufs[3].position(bufs[3].limit());

        trySmallBufs(ssle, bb1K, netBBMinus1, appBBMinus1, bb1K);

        trySmallBufsArray(ssle, bufs, netBBMinus1, bufs, bb1K);

        bufs[3].rewind();

    }

    public static void main(String args[]) throws Exception {

        SSLEngine ssle = createSSLEngine(keyFilename, trustFilename);

        runTest(ssle);

        System.out.println("Test Passed.");

    }

    /*

     * Create an initialized SSLContext to use for this test.

     */

    static private SSLEngine createSSLEngine(String keyFile, String trustFile)

            throws Exception {

        SSLEngine ssle;

        KeyStore ks = KeyStore.getInstance("JKS");

        KeyStore ts = KeyStore.getInstance("JKS");

        char[] passphrase = "passphrase".toCharArray();

        ks.load(new FileInputStream(keyFile), passphrase);

        ts.load(new FileInputStream(trustFile), passphrase);

        KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");

        kmf.init(ks, passphrase);

        TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

        tmf.init(ts);

        SSLContext sslCtx = SSLContext.getInstance("TLS");

        sslCtx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

        ssle = sslCtx.createSSLEngine("client", 1001);

        ssle.setUseClientMode(true);

        return ssle;

    }

}