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package org.bouncycastle.crypto.tls.test;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Vector;
import org.bouncycastle.asn1.x509.Certificate;
import org.bouncycastle.crypto.tls.AlertDescription;
import org.bouncycastle.crypto.tls.AlertLevel;
import org.bouncycastle.crypto.tls.CertificateRequest;
import org.bouncycastle.crypto.tls.ClientCertificateType;
import org.bouncycastle.crypto.tls.ConnectionEnd;
import org.bouncycastle.crypto.tls.DefaultTlsServer;
import org.bouncycastle.crypto.tls.ProtocolVersion;
import org.bouncycastle.crypto.tls.SignatureAlgorithm;
import org.bouncycastle.crypto.tls.TlsEncryptionCredentials;
import org.bouncycastle.crypto.tls.TlsFatalAlert;
import org.bouncycastle.crypto.tls.TlsSignerCredentials;
import org.bouncycastle.crypto.tls.TlsUtils;
class TlsTestServerImpl
extends DefaultTlsServer
{
protected final TlsTestConfig config;
protected int firstFatalAlertConnectionEnd = -1;
protected short firstFatalAlertDescription = -1;
TlsTestServerImpl(TlsTestConfig config)
{
this.config = config;
}
int getFirstFatalAlertConnectionEnd()
{
return firstFatalAlertConnectionEnd;
}
short getFirstFatalAlertDescription()
{
return firstFatalAlertDescription;
}
protected ProtocolVersion getMaximumVersion()
{
if (config.serverMaximumVersion != null)
{
return config.serverMaximumVersion;
}
return super.getMaximumVersion();
}
protected ProtocolVersion getMinimumVersion()
{
if (config.serverMinimumVersion != null)
{
return config.serverMinimumVersion;
}
return super.getMinimumVersion();
}
public void notifyAlertRaised(short alertLevel, short alertDescription, String message, Throwable cause)
{
if (alertLevel == AlertLevel.fatal && firstFatalAlertConnectionEnd == -1)
{
firstFatalAlertConnectionEnd = ConnectionEnd.server;
firstFatalAlertDescription = alertDescription;
}
if (TlsTestConfig.DEBUG)
{
PrintStream out = (alertLevel == AlertLevel.fatal) ? System.err : System.out;
out.println("TLS server raised alert: " + AlertLevel.getText(alertLevel)
+ ", " + AlertDescription.getText(alertDescription));
if (message != null)
{
out.println("> " + message);
}
if (cause != null)
{
cause.printStackTrace(out);
}
}
}
public void notifyAlertReceived(short alertLevel, short alertDescription)
{
if (alertLevel == AlertLevel.fatal && firstFatalAlertConnectionEnd == -1)
{
firstFatalAlertConnectionEnd = ConnectionEnd.client;
firstFatalAlertDescription = alertDescription;
}
if (TlsTestConfig.DEBUG)
{
PrintStream out = (alertLevel == AlertLevel.fatal) ? System.err : System.out;
out.println("TLS server received alert: " + AlertLevel.getText(alertLevel)
+ ", " + AlertDescription.getText(alertDescription));
}
}
public ProtocolVersion getServerVersion() throws IOException
{
ProtocolVersion serverVersion = super.getServerVersion();
if (TlsTestConfig.DEBUG)
{
System.out.println("TLS server negotiated " + serverVersion);
}
return serverVersion;
}
public CertificateRequest getCertificateRequest() throws IOException
{
if (config.serverCertReq == TlsTestConfig.SERVER_CERT_REQ_NONE)
{
return null;
}
short[] certificateTypes = new short[]{ ClientCertificateType.rsa_sign,
ClientCertificateType.dss_sign, ClientCertificateType.ecdsa_sign };
Vector serverSigAlgs = null;
if (TlsUtils.isSignatureAlgorithmsExtensionAllowed(serverVersion))
{
serverSigAlgs = TlsUtils.getDefaultSupportedSignatureAlgorithms();
}
Vector certificateAuthorities = new Vector();
certificateAuthorities.add(TlsTestUtils.loadCertificateResource("x509-ca.pem").getSubject());
return new CertificateRequest(certificateTypes, serverSigAlgs, certificateAuthorities);
}
public void notifyClientCertificate(org.bouncycastle.crypto.tls.Certificate clientCertificate)
throws IOException
{
boolean isEmpty = (clientCertificate == null || clientCertificate.isEmpty());
if (isEmpty != (config.clientAuth == TlsTestConfig.CLIENT_AUTH_NONE))
{
throw new IllegalStateException();
}
if (isEmpty && (config.serverCertReq == TlsTestConfig.SERVER_CERT_REQ_MANDATORY))
{
throw new TlsFatalAlert(AlertDescription.handshake_failure);
}
Certificate[] chain = clientCertificate.getCertificateList();
// TODO Cache test resources?
if (!isEmpty && !(chain[0].equals(TlsTestUtils.loadCertificateResource("x509-client.pem"))
|| chain[0].equals(TlsTestUtils.loadCertificateResource("x509-client-dsa.pem"))
|| chain[0].equals(TlsTestUtils.loadCertificateResource("x509-client-ecdsa.pem"))))
{
throw new TlsFatalAlert(AlertDescription.bad_certificate);
}
if (TlsTestConfig.DEBUG)
{
System.out.println("TLS server received client certificate chain of length " + chain.length);
for (int i = 0; i != chain.length; i++)
{
Certificate entry = chain[i];
// TODO Create fingerprint based on certificate signature algorithm digest
System.out.println(" fingerprint:SHA-256 " + TlsTestUtils.fingerprint(entry) + " ("
+ entry.getSubject() + ")");
}
}
}
protected TlsSignerCredentials getDSASignerCredentials() throws IOException
{
return TlsTestUtils.loadSignerCredentials(context, supportedSignatureAlgorithms, SignatureAlgorithm.dsa,
"x509-server-dsa.pem", "x509-server-key-dsa.pem");
}
protected TlsSignerCredentials getECDSASignerCredentials() throws IOException
{
return TlsTestUtils.loadSignerCredentials(context, supportedSignatureAlgorithms, SignatureAlgorithm.ecdsa,
"x509-server-ecdsa.pem", "x509-server-key-ecdsa.pem");
}
protected TlsEncryptionCredentials getRSAEncryptionCredentials() throws IOException
{
return TlsTestUtils.loadEncryptionCredentials(context, new String[]{ "x509-server.pem", "x509-ca.pem" },
"x509-server-key.pem");
}
protected TlsSignerCredentials getRSASignerCredentials() throws IOException
{
return TlsTestUtils.loadSignerCredentials(context, supportedSignatureAlgorithms, SignatureAlgorithm.rsa,
"x509-server.pem", "x509-server-key.pem");
}
}
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