/*

 * Copyright (c) 2012, 2013, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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.

 */

// SunJSSE does not support dynamic system properties, no way to re-use

// system properties in samevm/agentvm mode.

/*

 * @test

 * @bug 7109274

 * @summary Consider disabling support for X.509 certificates with RSA keys

 *          less than 1024 bits

 * @library /javax/net/ssl/templates

 * @run main/othervm DisabledShortRSAKeys PKIX TLSv1.2

 * @run main/othervm DisabledShortRSAKeys SunX509 TLSv1.2

 * @run main/othervm DisabledShortRSAKeys PKIX TLSv1.1

 * @run main/othervm DisabledShortRSAKeys SunX509 TLSv1.1

 * @run main/othervm DisabledShortRSAKeys PKIX TLSv1

 * @run main/othervm DisabledShortRSAKeys SunX509 TLSv1

 * @run main/othervm DisabledShortRSAKeys PKIX SSLv3

 * @run main/othervm DisabledShortRSAKeys SunX509 SSLv3

 */

import java.net.*;

import java.util.*;

import java.io.*;

import javax.net.ssl.*;

import java.security.Security;

import java.security.KeyStore;

import java.security.KeyFactory;

import java.security.cert.Certificate;

import java.security.cert.CertificateFactory;

import java.security.spec.*;

import java.security.interfaces.*;

import java.util.Base64;

public class DisabledShortRSAKeys extends SSLSocketTemplate {

    /*

     * Where do we find the keystores?

     */

    // Certificates and key used in the test.

    static String trustedCertStr =

        "-----BEGIN CERTIFICATE-----\n" +

        "MIICkjCCAfugAwIBAgIBADANBgkqhkiG9w0BAQQFADA7MQswCQYDVQQGEwJVUzEN\n" +

        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +

        "MTEwODE5MDE1MjE5WhcNMzIwNzI5MDE1MjE5WjA7MQswCQYDVQQGEwJVUzENMAsG\n" +

        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwgZ8wDQYJ\n" +

        "KoZIhvcNAQEBBQADgY0AMIGJAoGBAM8orG08DtF98TMSscjGsidd1ZoN4jiDpi8U\n" +

        "ICz+9dMm1qM1d7O2T+KH3/mxyox7Rc2ZVSCaUD0a3CkhPMnlAx8V4u0H+E9sqso6\n" +

        "iDW3JpOyzMExvZiRgRG/3nvp55RMIUV4vEHOZ1QbhuqG4ebN0Vz2DkRft7+flthf\n" +

        "vDld6f5JAgMBAAGjgaUwgaIwHQYDVR0OBBYEFLl81dnfp0wDrv0OJ1sxlWzH83Xh\n" +

        "MGMGA1UdIwRcMFqAFLl81dnfp0wDrv0OJ1sxlWzH83XhoT+kPTA7MQswCQYDVQQG\n" +

        "EwJVUzENMAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2\n" +

        "Y2WCAQAwDwYDVR0TAQH/BAUwAwEB/zALBgNVHQ8EBAMCAQYwDQYJKoZIhvcNAQEE\n" +

        "BQADgYEALlgaH1gWtoBZ84EW8Hu6YtGLQ/L9zIFmHonUPZwn3Pr//icR9Sqhc3/l\n" +

        "pVTxOINuFHLRz4BBtEylzRIOPzK3tg8XwuLb1zd0db90x3KBCiAL6E6cklGEPwLe\n" +

        "XYMHDn9eDsaq861Tzn6ZwzMgw04zotPMoZN0mVd/3Qca8UJFucE=\n" +

        "-----END CERTIFICATE-----";

    static String targetCertStr =

        "-----BEGIN CERTIFICATE-----\n" +

        "MIICNDCCAZ2gAwIBAgIBDDANBgkqhkiG9w0BAQQFADA7MQswCQYDVQQGEwJVUzEN\n" +

        "MAsGA1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UwHhcN\n" +

        "MTExMTA3MTM1NTUyWhcNMzEwNzI1MTM1NTUyWjBPMQswCQYDVQQGEwJVUzENMAsG\n" +

        "A1UEChMESmF2YTEdMBsGA1UECxMUU3VuSlNTRSBUZXN0IFNlcml2Y2UxEjAQBgNV\n" +

        "BAMTCWxvY2FsaG9zdDBcMA0GCSqGSIb3DQEBAQUAA0sAMEgCQQC3Pb49OSPfOD2G\n" +

        "HSXFCFx1GJEZfqG9ZUf7xuIi/ra5dLjPGAaoY5QF2QOa8VnOriQCXDfyXHxsuRnE\n" +

        "OomxL7EVAgMBAAGjeDB2MAsGA1UdDwQEAwID6DAdBgNVHQ4EFgQUXNCJK3/dtCIc\n" +

        "xb+zlA/JINlvs/MwHwYDVR0jBBgwFoAUuXzV2d+nTAOu/Q4nWzGVbMfzdeEwJwYD\n" +

        "VR0lBCAwHgYIKwYBBQUHAwEGCCsGAQUFBwMCBggrBgEFBQcDAzANBgkqhkiG9w0B\n" +

        "AQQFAAOBgQB2qIDUxA2caMPpGtUACZAPRUtrGssCINIfItETXJZCx/cRuZ5sP4D9\n" +

        "N1acoNDn0hCULe3lhXAeTC9NZ97680yJzregQMV5wATjo1FGsKY30Ma+sc/nfzQW\n" +

        "+h/7RhYtoG0OTsiaDCvyhI6swkNJzSzrAccPY4+ZgU8HiDLzZTmM3Q==\n" +

        "-----END CERTIFICATE-----";

    // Private key in the format of PKCS#8, key size is 512 bits.

    static String targetPrivateKey =

        "MIIBVAIBADANBgkqhkiG9w0BAQEFAASCAT4wggE6AgEAAkEAtz2+PTkj3zg9hh0l\n" +

        "xQhcdRiRGX6hvWVH+8biIv62uXS4zxgGqGOUBdkDmvFZzq4kAlw38lx8bLkZxDqJ\n" +

        "sS+xFQIDAQABAkByx/5Oo2hQ/w2q4L8z+NTRlJ3vdl8iIDtC/4XPnfYfnGptnpG6\n" +

        "ZThQRvbMZiai0xHQPQMszvAHjZVme1eDl3EBAiEA3aKJHynPVCEJhpfCLWuMwX5J\n" +

        "1LntwJO7NTOyU5m8rPECIQDTpzn5X44r2rzWBDna/Sx7HW9IWCxNgUD2Eyi2nA7W\n" +

        "ZQIgJerEorw4aCAuzQPxiGu57PB6GRamAihEAtoRTBQlH0ECIQDN08FgTtnesgCU\n" +

        "DFYLLcw1CiHvc7fZw4neBDHCrC8NtQIgA8TOUkGnpCZlQ0KaI8KfKWI+vxFcgFnH\n" +

        "3fnqsTgaUs4=";

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

    /*

     * Turn on SSL debugging?

     */

    static boolean debug = false;

    @Override

    protected SSLContext createClientSSLContext() throws Exception {

        return generateSSLContext(trustedCertStr, null, null);

    }

    @Override

    protected SSLContext createServerSSLContext() throws Exception {

        return generateSSLContext(null, targetCertStr, targetPrivateKey);

    }

    @Override

    protected void runServerApplication(SSLSocket socket) throws Exception {

        try {

            try (InputStream sslIS = socket.getInputStream()) {

                sslIS.read();

            }

            throw new Exception("RSA keys shorter than 1024 bits should be disabled");

        } catch (SSLHandshakeException sslhe) {

            // the expected exception, ignore

        }

    }

    @Override

    protected void runClientApplication(SSLSocket socket) throws Exception {

        try {

            // only enable the target protocol

            socket.setEnabledProtocols(new String[] { enabledProtocol });

            // enable a block cipher

            socket.setEnabledCipherSuites(

                new String[] { "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" });

            try (OutputStream sslOS = socket.getOutputStream()) {

                sslOS.write('B');

                sslOS.flush();

            }

            throw new Exception(

               "RSA keys shorter than 1024 bits should be disabled");

        } catch (SSLHandshakeException sslhe) {

            // the expected exception, ignore

        }

    }

    /*

     * =============================================================

     * The remainder is just support stuff

     */

    private static String tmAlgorithm; // trust manager

    private static String enabledProtocol; // the target protocol

    private static void parseArguments(String[] args) {

            tmAlgorithm = args[0];

            enabledProtocol = args[1];

    }

    private static SSLContext generateSSLContext(String trustedCertStr,

                String keyCertStr, String keySpecStr) throws Exception {

        // generate certificate from cert string

        CertificateFactory cf = CertificateFactory.getInstance("X.509");

        // create a key store

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

        ks.load(null, null);

        // import the trused cert

        Certificate trusedCert = null;

        ByteArrayInputStream is = null;

        if (trustedCertStr != null) {

            is = new ByteArrayInputStream(trustedCertStr.getBytes());

            trusedCert = cf.generateCertificate(is);

            is.close();

            ks.setCertificateEntry("RSA Export Signer", trusedCert);

        }

        if (keyCertStr != null) {

            // generate the private key.

            PKCS8EncodedKeySpec priKeySpec = new PKCS8EncodedKeySpec(

                            Base64.getMimeDecoder().decode(keySpecStr));

            KeyFactory kf = KeyFactory.getInstance("RSA");

            RSAPrivateKey priKey =

                (RSAPrivateKey)kf.generatePrivate(priKeySpec);

            // generate certificate chain

            is = new ByteArrayInputStream(keyCertStr.getBytes());

            Certificate keyCert = cf.generateCertificate(is);

            is.close();

            Certificate[] chain = null;

            if (trusedCert != null) {

                chain = new Certificate[2];

                chain[0] = keyCert;

                chain[1] = trusedCert;

            } else {

                chain = new Certificate[1];

                chain[0] = keyCert;

            }

            // import the key entry.

            ks.setKeyEntry("Whatever", priKey, passphrase, chain);

        }

        // create SSL context

        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmAlgorithm);

        tmf.init(ks);

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

        if (keyCertStr != null && !keyCertStr.isEmpty()) {

            KeyManagerFactory kmf = KeyManagerFactory.getInstance("NewSunX509");

            kmf.init(ks, passphrase);

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

            ks = null;

        } else {

            ctx.init(null, tmf.getTrustManagers(), null);

        }

        return ctx;

    }

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

            System.setProperty("javax.net.debug", "all");

        /*

         * Get the customized arguments.

         */

        parseArguments(args);

        /*

         * Start the tests.

         */

        new DisabledShortRSAKeys().run();

    }

}