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/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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.
*/
package io.netty.handler.ssl;
import org.apache.tomcat.jni.SSL;
import org.apache.tomcat.jni.SSLContext;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLException;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509ExtendedTrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.File;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
/**
* A client-side {@link SslContext} which uses OpenSSL's SSL/TLS implementation.
*/
public final class OpenSslClientContext extends OpenSslContext {
private final OpenSslSessionContext sessionContext;
/**
* Creates a new instance.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext() throws SSLException {
this((File) null, null, null, null, null, null, null, IdentityCipherSuiteFilter.INSTANCE, null, 0, 0);
}
/**
* Creates a new instance.
*
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(File certChainFile) throws SSLException {
this(certChainFile, null);
}
/**
* Creates a new instance.
*
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(TrustManagerFactory trustManagerFactory) throws SSLException {
this(null, trustManagerFactory);
}
/**
* Creates a new instance.
*
* @param certChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(File certChainFile, TrustManagerFactory trustManagerFactory) throws SSLException {
this(certChainFile, trustManagerFactory, null, null, null, null, null,
IdentityCipherSuiteFilter.INSTANCE, null, 0, 0);
}
/**
* Creates a new instance.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default..
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(File certChainFile, TrustManagerFactory trustManagerFactory, Iterable ciphers,
ApplicationProtocolConfig apn, long sessionCacheSize, long sessionTimeout)
throws SSLException {
this(certChainFile, trustManagerFactory, null, null, null, null, ciphers, IdentityCipherSuiteFilter.INSTANCE,
apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new instance.
*
* @param certChainFile an X.509 certificate chain file in PEM format
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default..
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Provides a means to configure parameters related to application protocol negotiation.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(File certChainFile, TrustManagerFactory trustManagerFactory, Iterable ciphers,
CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout) throws SSLException {
this(certChainFile, trustManagerFactory, null, null, null, null,
ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout);
}
/**
* Creates a new instance.
* @param trustCertChainFile an X.509 certificate chain file in PEM format.
* {@code null} to use the system default
* @param trustManagerFactory the {@link TrustManagerFactory} that provides the {@link TrustManager}s
* that verifies the certificates sent from servers.
* {@code null} to use the default or the results of parsing {@code trustCertChainFile}
* @param keyCertChainFile an X.509 certificate chain file in PEM format.
* This provides the public key for mutual authentication.
* {@code null} to use the system default
* @param keyFile a PKCS#8 private key file in PEM format.
* This provides the private key for mutual authentication.
* {@code null} for no mutual authentication.
* @param keyPassword the password of the {@code keyFile}.
* {@code null} if it's not password-protected.
* Ignored if {@code keyFile} is {@code null}.
* @param keyManagerFactory the {@link KeyManagerFactory} that provides the {@link javax.net.ssl.KeyManager}s
* that is used to encrypt data being sent to servers.
* {@code null} to use the default or the results of parsing
* {@code keyCertChainFile} and {@code keyFile}.
* @param ciphers the cipher suites to enable, in the order of preference.
* {@code null} to use the default cipher suites.
* @param cipherFilter a filter to apply over the supplied list of ciphers
* @param apn Application Protocol Negotiator object.
* @param sessionCacheSize the size of the cache used for storing SSL session objects.
* {@code 0} to use the default value.
* @param sessionTimeout the timeout for the cached SSL session objects, in seconds.
* {@code 0} to use the default value.
* @deprecated use {@link SslContextBuilder}
*/
@Deprecated
public OpenSslClientContext(File trustCertChainFile, TrustManagerFactory trustManagerFactory,
File keyCertChainFile, File keyFile, String keyPassword,
KeyManagerFactory keyManagerFactory, Iterable ciphers,
CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout)
throws SSLException {
super(ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout, SSL.SSL_MODE_CLIENT, null,
ClientAuth.NONE);
boolean success = false;
try {
if (trustCertChainFile != null && !trustCertChainFile.isFile()) {
throw new IllegalArgumentException("trustCertChainFile is not a file: " + trustCertChainFile);
}
if (keyCertChainFile != null && !keyCertChainFile.isFile()) {
throw new IllegalArgumentException("keyCertChainFile is not a file: " + keyCertChainFile);
}
if (keyFile != null && !keyFile.isFile()) {
throw new IllegalArgumentException("keyFile is not a file: " + keyFile);
}
if (keyFile == null && keyCertChainFile != null || keyFile != null && keyCertChainFile == null) {
throw new IllegalArgumentException(
"Either both keyCertChainFile and keyFile needs to be null or none of them");
}
synchronized (OpenSslContext.class) {
if (trustCertChainFile != null) {
/* Load the certificate chain. We must NOT skip the first cert when client mode */
if (!SSLContext.setCertificateChainFile(ctx, trustCertChainFile.getPath(), false)) {
long error = SSL.getLastErrorNumber();
if (OpenSsl.isError(error)) {
throw new SSLException(
"failed to set certificate chain: "
+ trustCertChainFile + " (" + SSL.getErrorString(error) + ')');
}
}
}
if (keyCertChainFile != null && keyFile != null) {
/* Load the certificate file and private key. */
try {
if (!SSLContext.setCertificate(
ctx, keyCertChainFile.getPath(), keyFile.getPath(), keyPassword, SSL.SSL_AIDX_RSA)) {
long error = SSL.getLastErrorNumber();
if (OpenSsl.isError(error)) {
throw new SSLException("failed to set certificate: " +
keyCertChainFile + " and " + keyFile +
" (" + SSL.getErrorString(error) + ')');
}
}
} catch (SSLException e) {
throw e;
} catch (Exception e) {
throw new SSLException("failed to set certificate: " + keyCertChainFile + " and " + keyFile, e);
}
}
SSLContext.setVerify(ctx, SSL.SSL_VERIFY_NONE, VERIFY_DEPTH);
try {
if (trustCertChainFile != null) {
trustManagerFactory = buildTrustManagerFactory(trustCertChainFile, trustManagerFactory);
} else if (trustManagerFactory == null) {
trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
}
final X509TrustManager manager = chooseTrustManager(trustManagerFactory.getTrustManagers());
// Use this to prevent an error when running on java < 7
if (useExtendedTrustManager(manager)) {
final X509ExtendedTrustManager extendedManager = (X509ExtendedTrustManager) manager;
SSLContext.setCertVerifyCallback(ctx, new AbstractCertificateVerifier() {
@Override
void verify(OpenSslEngine engine, X509Certificate[] peerCerts, String auth)
throws Exception {
extendedManager.checkServerTrusted(peerCerts, auth, engine);
}
});
} else {
SSLContext.setCertVerifyCallback(ctx, new AbstractCertificateVerifier() {
@Override
void verify(OpenSslEngine engine, X509Certificate[] peerCerts, String auth)
throws Exception {
manager.checkServerTrusted(peerCerts, auth);
}
});
}
} catch (Exception e) {
throw new SSLException("unable to setup trustmanager", e);
}
}
sessionContext = new OpenSslClientSessionContext(ctx);
success = true;
} finally {
if (!success) {
destroy();
}
}
}
@SuppressWarnings("deprecation")
OpenSslClientContext(X509Certificate[] trustCertChain, TrustManagerFactory trustManagerFactory,
X509Certificate[] keyCertChain, PrivateKey key, String keyPassword,
KeyManagerFactory keyManagerFactory, Iterable ciphers,
CipherSuiteFilter cipherFilter, ApplicationProtocolConfig apn,
long sessionCacheSize, long sessionTimeout)
throws SSLException {
super(ciphers, cipherFilter, apn, sessionCacheSize, sessionTimeout, SSL.SSL_MODE_CLIENT, keyCertChain,
ClientAuth.NONE);
boolean success = false;
try {
if (key == null && keyCertChain != null || key != null && keyCertChain == null) {
throw new IllegalArgumentException(
"Either both keyCertChain and key needs to be null or none of them");
}
synchronized (OpenSslContext.class) {
if (trustCertChain != null) {
long trustCertChainBio = 0;
try {
trustCertChainBio = toBIO(trustCertChain);
/* Load the certificate chain. We must NOT skip the first cert when client mode */
if (!SSLContext.setCertificateChainBio(ctx, trustCertChainBio, false)) {
long error = SSL.getLastErrorNumber();
if (OpenSsl.isError(error)) {
throw new SSLException(
"failed to set certificate chain: " + SSL.getErrorString(error));
}
}
} catch (Exception e) {
throw new SSLException(
"failed to set certificate chain", e);
} finally {
if (trustCertChainBio != 0) {
SSL.freeBIO(trustCertChainBio);
}
}
}
if (keyCertChain != null && key != null) {
/* Load the certificate file and private key. */
long keyBio = 0;
long keyCertChainBio = 0;
try {
keyCertChainBio = toBIO(keyCertChain);
keyBio = toBIO(key);
if (!SSLContext.setCertificateBio(
ctx, keyCertChainBio, keyBio, keyPassword, SSL.SSL_AIDX_RSA)) {
long error = SSL.getLastErrorNumber();
if (OpenSsl.isError(error)) {
throw new SSLException("failed to set certificate and key: "
+ SSL.getErrorString(error));
}
}
} catch (SSLException e) {
throw e;
} catch (Exception e) {
throw new SSLException("failed to set certificate and key", e);
} finally {
if (keyBio != 0) {
SSL.freeBIO(keyBio);
}
if (keyCertChainBio != 0) {
SSL.freeBIO(keyCertChainBio);
}
}
}
SSLContext.setVerify(ctx, SSL.SSL_VERIFY_NONE, VERIFY_DEPTH);
try {
if (trustCertChain != null) {
trustManagerFactory = buildTrustManagerFactory(trustCertChain, trustManagerFactory);
} else if (trustManagerFactory == null) {
trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
}
final X509TrustManager manager = chooseTrustManager(trustManagerFactory.getTrustManagers());
// Use this to prevent an error when running on java < 7
if (useExtendedTrustManager(manager)) {
final X509ExtendedTrustManager extendedManager = (X509ExtendedTrustManager) manager;
SSLContext.setCertVerifyCallback(ctx, new AbstractCertificateVerifier() {
@Override
void verify(OpenSslEngine engine, X509Certificate[] peerCerts, String auth)
throws Exception {
extendedManager.checkServerTrusted(peerCerts, auth, engine);
}
});
} else {
SSLContext.setCertVerifyCallback(ctx, new AbstractCertificateVerifier() {
@Override
void verify(OpenSslEngine engine, X509Certificate[] peerCerts, String auth)
throws Exception {
manager.checkServerTrusted(peerCerts, auth);
}
});
}
} catch (Exception e) {
throw new SSLException("unable to setup trustmanager", e);
}
}
sessionContext = new OpenSslClientSessionContext(ctx);
success = true;
} finally {
if (!success) {
destroy();
}
}
}
@Override
public OpenSslSessionContext sessionContext() {
return sessionContext;
}
// No cache is currently supported for client side mode.
private static final class OpenSslClientSessionContext extends OpenSslSessionContext {
private OpenSslClientSessionContext(long context) {
super(context);
}
@Override
public void setSessionTimeout(int seconds) {
if (seconds < 0) {
throw new IllegalArgumentException();
}
}
@Override
public int getSessionTimeout() {
return 0;
}
@Override
public void setSessionCacheSize(int size) {
if (size < 0) {
throw new IllegalArgumentException();
}
}
@Override
public int getSessionCacheSize() {
return 0;
}
@Override
public void setSessionCacheEnabled(boolean enabled) {
// ignored
}
@Override
public boolean isSessionCacheEnabled() {
return false;
}
}
}
