/*

 * Copyright (c) 2011, 2019, 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 7029048

 * @summary Ensure that the launcher defends against user settings of the

 *          LD_LIBRARY_PATH environment variable on Unixes

 * @compile -XDignore.symbol.file ExecutionEnvironment.java Test7029048.java

 * @run main Test7029048

 */

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class Test7029048 extends TestHelper {

    static int passes = 0;

    static int errors = 0;

    private static final String LIBJVM = ExecutionEnvironment.LIBJVM;

    private static final String LD_LIBRARY_PATH =

            ExecutionEnvironment.LD_LIBRARY_PATH;

    private static final String LD_LIBRARY_PATH_64 =

            ExecutionEnvironment.LD_LIBRARY_PATH_64;

    private static final File libDir =

            new File(System.getProperty("sun.boot.library.path"));

    private static final File srcServerDir = new File(libDir, "server");

    private static final File srcLibjvmSo = new File(srcServerDir, LIBJVM);

    private static final File dstLibDir = new File("lib");

    private static final File dstServerDir = new File(dstLibDir, "server");

    private static final File dstServerLibjvm = new File(dstServerDir, LIBJVM);

    private static final File dstClientDir = new File(dstLibDir, "client");

    private static final File dstClientLibjvm = new File(dstClientDir, LIBJVM);

    private static final Map<String, String> env = new HashMap<>();

    static String getValue(String name, List<String> in) {

        for (String x : in) {

            String[] s = x.split("=");

            if (name.equals(s[0].trim())) {

                return s[1].trim();

            }

        }

        return null;

    }

    static void run(Map<String, String> env,

            int nLLPComponents, String caseID) {

        env.put(ExecutionEnvironment.JLDEBUG_KEY, "true");

        List<String> cmdsList = new ArrayList<>();

        cmdsList.add(javaCmd);

        cmdsList.add("-server");

        cmdsList.add("-jar");

        cmdsList.add(ExecutionEnvironment.testJarFile.getAbsolutePath());

        String[] cmds = new String[cmdsList.size()];

        TestResult tr = doExec(env, cmdsList.toArray(cmds));

        System.out.println(tr);

        analyze(tr, nLLPComponents, caseID);

    }

    static void analyze(TestResult tr, int nLLPComponents, String caseID) {

        String envValue = getValue(LD_LIBRARY_PATH, tr.testOutput);

       /*

        * the envValue can never be null, since the test code should always

        * print a "null" string.

        */

        if (envValue == null) {

            throw new RuntimeException("NPE, likely a program crash ??");

        }

        int len = (envValue.equals("null")

                   ? 0 : envValue.split(File.pathSeparator).length);

        if (len == nLLPComponents) {

            System.out.println(caseID + ": OK");

            passes++;

        } else {

            System.out.println("FAIL: test7029048, " + caseID);

            System.out.println(" expected " + nLLPComponents

                               + " but got " + len);

            System.out.println(envValue);

            errors++;

        }

    }

    /*

     * Describe the cases that we test.  Each case sets the environment

     * variable LD_LIBRARY_PATH to a different value.  The value associated

     * with a case is the number of path elements that we expect the launcher

     * to add to that variable.

     */

    private static enum TestCase {

        NO_DIR(0),                      // Directory does not exist

        NO_LIBJVM(0),                   // Directory exists, but no libjvm.so

        LIBJVM(3);                      // Directory exists, with a libjvm.so

        private final int value;

        TestCase(int i) {

            this.value = i;

        }

    }

    /*

     * test for 7029048

     */

    static void test7029048() throws IOException {

        String desc = null;

        for (TestCase v : TestCase.values()) {

            switch (v) {

                case LIBJVM:

                    // copy the files into the directory structures

                    copyFile(srcLibjvmSo, dstServerLibjvm);

                    // does not matter if it is client or a server

                    copyFile(srcLibjvmSo, dstClientLibjvm);

                    desc = "LD_LIBRARY_PATH should be set";

                    break;

                case NO_LIBJVM:

                    if (!dstClientDir.exists()) {

                        Files.createDirectories(dstClientDir.toPath());

                    } else {

                        Files.deleteIfExists(dstClientLibjvm.toPath());

                    }

                    if (!dstServerDir.exists()) {

                        Files.createDirectories(dstServerDir.toPath());

                    } else {

                        Files.deleteIfExists(dstServerLibjvm.toPath());

                    }

                    desc = "LD_LIBRARY_PATH should not be set (no libjvm.so)";

                    break;

                case NO_DIR:

                    if (dstLibDir.exists()) {

                        recursiveDelete(dstLibDir);

                    }

                    desc = "LD_LIBRARY_PATH should not be set (no directory)";

                    break;

                default:

                    throw new RuntimeException("unknown case");

            }

            /*

             * Case 1: set the server path

             */

            env.clear();

            env.put(LD_LIBRARY_PATH, dstServerDir.getAbsolutePath());

            run(env,

                v.value + 1,            // Add one to account for our setting

                "Case 1: " + desc);

            /*

             * Case 2: repeat with client path

             */

            env.clear();

            env.put(LD_LIBRARY_PATH, dstClientDir.getAbsolutePath());

            run(env,

                v.value + 1,            // Add one to account for our setting

                "Case 2: " + desc);

            if (isSolaris) {

                /*

                 * Case 3: set the appropriate LLP_XX flag,

                 * java64 LLP_64 is relevant, LLP_32 is ignored

                 */

                env.clear();

                env.put(LD_LIBRARY_PATH_64, dstServerDir.getAbsolutePath());

                run(env,

                    v.value,            // Do not add one, since we didn't set

                                        // LD_LIBRARY_PATH here

                    "Case 3: " + desc);

            }

        }

        return;

    }

    public static void main(String... args) throws Exception {

        if (TestHelper.isWindows || TestHelper.isMacOSX) {

            System.out.println("Note: applicable on neither Windows nor MacOSX");

            return;

        }

        if (!TestHelper.haveServerVM) {

            System.out.println("Note: test relies on server vm, not found, exiting");

            return;

        }

        // create our test jar first

        ExecutionEnvironment.createTestJar();

        // run the tests

        test7029048();

        if (errors > 0) {

            throw new Exception("Test7029048: FAIL: with "

                    + errors + " errors and passes " + passes);

        } else if (isSolaris && passes < 9) {

            throw new Exception("Test7029048: FAIL: " +

                    "all tests did not run, expected " + 9 + " got " + passes);

        } else if (isLinux && passes < 6) {

             throw new Exception("Test7029048: FAIL: " +

                    "all tests did not run, expected " + 6 + " got " + passes);

        } else {

            System.out.println("Test7029048: PASS " + passes);

        }

    }

}