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package org.bouncycastle.crypto.tls.test;
import java.io.OutputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.security.SecureRandom;
import junit.framework.TestCase;
import org.bouncycastle.crypto.tls.ProtocolVersion;
import org.bouncycastle.crypto.tls.TlsClientProtocol;
import org.bouncycastle.crypto.tls.TlsServerProtocol;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.io.Streams;
public class TlsTestCase extends TestCase
{
private static void checkTLSVersion(ProtocolVersion version)
{
if (version != null && !version.isTLS())
{
throw new IllegalStateException("Non-TLS version");
}
}
protected final TlsTestConfig config;
public TlsTestCase(TlsTestConfig config, String name)
{
checkTLSVersion(config.clientMinimumVersion);
checkTLSVersion(config.clientOfferVersion);
checkTLSVersion(config.serverMaximumVersion);
checkTLSVersion(config.serverMinimumVersion);
this.config = config;
setName(name);
}
protected void runTest() throws Throwable
{
SecureRandom secureRandom = new SecureRandom();
PipedInputStream clientRead = new PipedInputStream();
PipedInputStream serverRead = new PipedInputStream();
PipedOutputStream clientWrite = new PipedOutputStream(serverRead);
PipedOutputStream serverWrite = new PipedOutputStream(clientRead);
NetworkInputStream clientNetIn = new NetworkInputStream(clientRead);
NetworkInputStream serverNetIn = new NetworkInputStream(serverRead);
NetworkOutputStream clientNetOut = new NetworkOutputStream(clientWrite);
NetworkOutputStream serverNetOut = new NetworkOutputStream(serverWrite);
TlsClientProtocol clientProtocol = new TlsClientProtocol(clientNetIn, clientNetOut, secureRandom);
TlsServerProtocol serverProtocol = new TlsServerProtocol(serverNetIn, serverNetOut, secureRandom);
TlsTestClientImpl clientImpl = new TlsTestClientImpl(config);
TlsTestServerImpl serverImpl = new TlsTestServerImpl(config);
ServerThread serverThread = new ServerThread(serverProtocol, serverImpl);
serverThread.start();
Exception caught = null;
try
{
clientProtocol.connect(clientImpl);
// NOTE: Because we write-all before we read-any, this length can't be more than the pipe capacity
int length = 1000;
byte[] data = new byte[length];
secureRandom.nextBytes(data);
OutputStream output = clientProtocol.getOutputStream();
output.write(data);
byte[] echo = new byte[data.length];
int count = Streams.readFully(clientProtocol.getInputStream(), echo);
assertEquals(count, data.length);
assertTrue(Arrays.areEqual(data, echo));
output.close();
}
catch (Exception e)
{
caught = e;
logException(caught);
}
serverThread.allowExit();
serverThread.join();
assertTrue("Client InputStream not closed", clientNetIn.isClosed());
assertTrue("Client OutputStream not closed", clientNetOut.isClosed());
assertTrue("Server InputStream not closed", serverNetIn.isClosed());
assertTrue("Server OutputStream not closed", serverNetOut.isClosed());
assertEquals("Client fatal alert connection end", config.expectFatalAlertConnectionEnd, clientImpl.firstFatalAlertConnectionEnd);
assertEquals("Server fatal alert connection end", config.expectFatalAlertConnectionEnd, serverImpl.firstFatalAlertConnectionEnd);
assertEquals("Client fatal alert description", config.expectFatalAlertDescription, clientImpl.firstFatalAlertDescription);
assertEquals("Server fatal alert description", config.expectFatalAlertDescription, serverImpl.firstFatalAlertDescription);
if (config.expectFatalAlertConnectionEnd == -1)
{
assertNull("Unexpected client exception", caught);
assertNull("Unexpected server exception", serverThread.caught);
}
}
protected void logException(Exception e)
{
if (TlsTestConfig.DEBUG)
{
e.printStackTrace();
}
}
class ServerThread extends Thread
{
protected final TlsServerProtocol serverProtocol;
protected final TlsTestServerImpl serverImpl;
boolean canExit = false;
Exception caught = null;
ServerThread(TlsServerProtocol serverProtocol, TlsTestServerImpl serverImpl)
{
this.serverProtocol = serverProtocol;
this.serverImpl = serverImpl;
}
synchronized void allowExit()
{
canExit = true;
this.notifyAll();
}
public void run()
{
try
{
serverProtocol.accept(serverImpl);
Streams.pipeAll(serverProtocol.getInputStream(), serverProtocol.getOutputStream());
serverProtocol.close();
}
catch (Exception e)
{
caught = e;
logException(caught);
}
waitExit();
}
protected synchronized void waitExit()
{
while (!canExit)
{
try
{
this.wait();
}
catch (InterruptedException e)
{
}
}
}
}
}
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