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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Vladimir N. Molotkov
*/
package org.apache.harmony.security.tests.x509;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import junit.framework.TestCase;
/**
* Test for thread safety of the PolicyQualifierInfo DER decoder
* ("DER" stands for "Distinguished Encoding Rules",
* see ITU-T Recommendation X.690,
* http://asn1.elibel.tm.fr)
*/
public class PolicyQualifierInfoTest extends TestCase {
// Number of test working threads (may be set externally)
private static int workersNumber;
// Number of test iterations performed by each thread
// (may be set externally)
private static int iterationsNumber;
static {
try {
workersNumber = Integer.parseInt(
System.getProperty("PolicyQualifierInfoTest.workersNumber",
"10"));
iterationsNumber = Integer.parseInt(
System.getProperty("PolicyQualifierInfoTest.iterationsNumber",
"10000"));
} catch (Exception e) {
workersNumber = 10;
iterationsNumber = 10000;
}
}
// Holder for thread-specific PolicyQualifier DER encodings
private static final byte[][] enc = new byte[workersNumber][];
private volatile boolean arrayPassed = true;
private volatile boolean inpstPassed = true;
// "Valid" reference DER encoding
// (generated by own encoder during test development)
private static final byte[] encoding = {
(byte) 0x30, (byte) 0x26, // tag Seq, length
(byte) 0x06, (byte) 0x08, // tag OID, length
(byte) 0x2b, (byte) 0x06, (byte) 0x01, (byte) 0x05, // oid value
(byte) 0x05, (byte) 0x07, (byte) 0x02, (byte) 0x01, // oid value
(byte) 0x16, (byte) 0x1a, // tag IA5String, length
(byte) 0x68, (byte) 0x74, (byte) 0x74, (byte) 0x70, // IA5String value
(byte) 0x3a, (byte) 0x2f, (byte) 0x2f, (byte) 0x77, // IA5String value
(byte) 0x77, (byte) 0x77, (byte) 0x2e, (byte) 0x71, // IA5String value
(byte) 0x71, (byte) 0x2e, (byte) 0x63, (byte) 0x6f, // IA5String value
(byte) 0x6d, (byte) 0x2f, (byte) 0x73, (byte) 0x74, // IA5String value
(byte) 0x6d, (byte) 0x74, (byte) 0x2e, (byte) 0x74, // IA5String value
(byte) 0x78, (byte) 0x74 // IA5String value
};
// Test worker for decoding from byte array
private class TestWorker1 extends Thread {
private final int myIntValue;
public TestWorker1(int num) {
super("Worker_" + num);
myIntValue = num;
}
public void run() {
for (int i = 0; i < iterationsNumber; i++) {
try {
// Perform DER decoding:
Object[] decoded =
(Object[]) org.apache.harmony.security.x509.
PolicyQualifierInfo.ASN1.decode(
getDerEncoding(myIntValue));
// check OID value
assertEquals(this.getName() + "(OID)",
myIntValue, ((int[]) decoded[0])[8]);
// check qualifier
assertEquals(this.getName() + "(QA)",
(byte) myIntValue, ((byte[]) decoded[1])[2]);
} catch (Throwable e) {
System.err.println(e);
arrayPassed = false;
return;
}
}
}
}
// Test worker for decoding from InputStream
private class TestWorker2 extends Thread {
private final int myIntValue;
public TestWorker2(int num) {
super("Worker_" + num);
myIntValue = num;
}
public void run() {
for (int i = 0; i < iterationsNumber; i++) {
try {
// Perform DER decoding:
Object[] decoded =
(Object[]) org.apache.harmony.security.x509.
PolicyQualifierInfo.ASN1.decode(
getDerInputStream(myIntValue));
// check OID value
assertEquals(this.getName() + "(OID)",
myIntValue, ((int[]) decoded[0])[8]);
// check qualifier
assertEquals(this.getName() + "(QA)",
(byte) myIntValue, ((byte[]) decoded[1])[2]);
} catch (Throwable e) {
System.err.println(e);
inpstPassed = false;
return;
}
}
}
}
/**
* Test 1
*
* @throws InterruptedException
*/
public final void testMtByteArray() throws InterruptedException {
Thread[] workers = new Thread[workersNumber];
for (int i = 0; i < workersNumber; i++) {
workers[i] = new TestWorker1(i);
}
for (int i = 0; i < workersNumber; i++) {
workers[i].start();
}
for (int i = 0; i < workersNumber; i++) {
workers[i].join();
}
assertTrue(arrayPassed);
}
/**
* Test 2
*
* @throws InterruptedException
*/
public final void testMtInputStream() throws InterruptedException {
Thread[] workers = new Thread[workersNumber];
for (int i = 0; i < workersNumber; i++) {
workers[i] = new TestWorker2(i);
}
for (int i = 0; i < workersNumber; i++) {
workers[i].start();
}
for (int i = 0; i < workersNumber; i++) {
workers[i].join();
}
assertTrue(inpstPassed);
}
//
// Generates unique (based on parameter) DER encoding
// @param intVal value to be incorporated into the resulting encoding
// @return PolicyQualifier DER encoding
//
private static final byte[] getDerEncoding(int intVal) {
setEncArray(intVal);
return enc[intVal];
}
//
// Generates unique (based on parameter) DER encoding
// @param intVal value to be incorporated into the resulting encoding
// @return PolicyQualifier DER encoding
//
private static final InputStream getDerInputStream(int intVal) {
setEncArray(intVal);
return new ByteArrayInputStream(enc[intVal]);
}
//
// Init thread specific data
// @param intVal worker thread number
//
private static void setEncArray(int intVal) {
if (enc[intVal] == null) {
// make encoding thread-specific
byte[] a = encoding.clone();
a[11] = (byte) intVal;
a[14] = (byte) intVal;
enc[intVal] = a;
}
}
}
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