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com.amazon.opendistroforelasticsearch.security.ssl.OpenDistroSecuritySSLPlugin Maven / Gradle / Ivy
/*
* Copyright 2015-2017 floragunn GmbH
*
* Licensed 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 com.amazon.opendistroforelasticsearch.security.ssl;
import io.netty.handler.ssl.OpenSsl;
import io.netty.util.internal.PlatformDependent;
import java.nio.file.Path;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
import java.util.function.Supplier;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.SpecialPermission;
import org.elasticsearch.Version;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.Booleans;
import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
import org.elasticsearch.common.network.NetworkModule;
import org.elasticsearch.common.network.NetworkService;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.IndexScopedSettings;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Setting.Property;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.common.util.PageCacheRecycler;
import org.elasticsearch.common.util.concurrent.ThreadContext;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.http.HttpServerTransport;
import org.elasticsearch.http.HttpServerTransport.Dispatcher;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.plugins.ActionPlugin;
import org.elasticsearch.plugins.NetworkPlugin;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.repositories.RepositoriesService;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestHandler;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.Transport;
import org.elasticsearch.transport.TransportInterceptor;
import org.elasticsearch.watcher.ResourceWatcherService;
import com.amazon.opendistroforelasticsearch.security.ssl.http.netty.OpenDistroSecuritySSLNettyHttpServerTransport;
import com.amazon.opendistroforelasticsearch.security.ssl.http.netty.ValidatingDispatcher;
import com.amazon.opendistroforelasticsearch.security.ssl.rest.OpenDistroSecuritySSLInfoAction;
import com.amazon.opendistroforelasticsearch.security.ssl.transport.PrincipalExtractor;
import com.amazon.opendistroforelasticsearch.security.ssl.transport.OpenDistroSecuritySSLNettyTransport;
import com.amazon.opendistroforelasticsearch.security.ssl.transport.OpenDistroSecuritySSLTransportInterceptor;
import com.amazon.opendistroforelasticsearch.security.ssl.util.SSLConfigConstants;
//For ES5 this class has only effect when SSL only plugin is installed
public class OpenDistroSecuritySSLPlugin extends Plugin implements ActionPlugin, NetworkPlugin {
private static boolean USE_NETTY_DEFAULT_ALLOCATOR = Booleans.parseBoolean(System.getProperty("es.unsafe.use_netty_default_allocator"), false);
public static final boolean OPENSSL_SUPPORTED = (PlatformDependent.javaVersion() < 12) && USE_NETTY_DEFAULT_ALLOCATOR;
protected final Logger log = LogManager.getLogger(this.getClass());
protected static final String CLIENT_TYPE = "client.type";
protected final boolean client;
protected final boolean httpSSLEnabled;
protected final boolean transportSSLEnabled;
protected final Settings settings;
protected final OpenDistroSecurityKeyStore odsks;
protected PrincipalExtractor principalExtractor;
protected final Path configPath;
private final static SslExceptionHandler NOOP_SSL_EXCEPTION_HANDLER = new SslExceptionHandler() {};
// public OpenDistroSecuritySSLPlugin(final Settings settings, final Path configPath) {
// this(settings, configPath, false);
// }
protected OpenDistroSecuritySSLPlugin(final Settings settings, final Path configPath, boolean disabled) {
if(disabled) {
this.settings = null;
this.client = false;
this.httpSSLEnabled = false;
this.transportSSLEnabled = false;
this.odsks = null;
this.configPath = null;
AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Object run() {
System.setProperty("es.set.netty.runtime.available.processors", "false");
return null;
}
});
return;
}
this.configPath = configPath;
if(this.configPath != null) {
log.info("ES Config path is "+this.configPath.toAbsolutePath());
} else {
log.info("ES Config path is not set");
}
final boolean allowClientInitiatedRenegotiation = settings.getAsBoolean(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_ALLOW_CLIENT_INITIATED_RENEGOTIATION, false);
final boolean rejectClientInitiatedRenegotiation = Boolean.parseBoolean(System.getProperty(SSLConfigConstants.JDK_TLS_REJECT_CLIENT_INITIATED_RENEGOTIATION));
if(allowClientInitiatedRenegotiation && !rejectClientInitiatedRenegotiation) {
final String renegoMsg = "Client side initiated TLS renegotiation enabled. This can open a vulnerablity for DoS attacks through client side initiated TLS renegotiation.";
log.warn(renegoMsg);
System.out.println(renegoMsg);
System.err.println(renegoMsg);
} else {
if(!rejectClientInitiatedRenegotiation) {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new SpecialPermission());
}
AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Object run() {
System.setProperty(SSLConfigConstants.JDK_TLS_REJECT_CLIENT_INITIATED_RENEGOTIATION, "true");
return null;
}
});
log.debug("Client side initiated TLS renegotiation forcibly disabled. This can prevent DoS attacks. (jdk.tls.rejectClientInitiatedRenegotiation set to true).");
} else {
log.debug("Client side initiated TLS renegotiation already disabled.");
}
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new SpecialPermission());
}
//TODO check initialize native netty open ssl libs still neccessary
AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Object run() {
System.setProperty("es.set.netty.runtime.available.processors", "false");
PlatformDependent.newFixedMpscQueue(1);
OpenSsl.isAvailable();
return null;
}
});
this.settings = settings;
client = !"node".equals(this.settings.get(OpenDistroSecuritySSLPlugin.CLIENT_TYPE));
httpSSLEnabled = settings.getAsBoolean(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED,
SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED_DEFAULT);
transportSSLEnabled = settings.getAsBoolean(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED,
SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED_DEFAULT);
if (!httpSSLEnabled && !transportSSLEnabled) {
log.error("SSL not activated for http and/or transport.");
System.out.println("SSL not activated for http and/or transport.");
System.err.println("SSL not activated for http and/or transport.");
}
if(ExternalOpenDistroSecurityKeyStore.hasExternalSslContext(settings)) {
this.odsks = new ExternalOpenDistroSecurityKeyStore(settings);
} else {
this.odsks = new DefaultOpenDistroSecurityKeyStore(settings, configPath);
}
}
@Override
public Map> getHttpTransports(Settings settings, ThreadPool threadPool, BigArrays bigArrays,
PageCacheRecycler pageCacheRecycler, CircuitBreakerService circuitBreakerService, NamedXContentRegistry xContentRegistry,
NetworkService networkService, Dispatcher dispatcher, ClusterSettings clusterSettings) {
if (!client && httpSSLEnabled) {
final ValidatingDispatcher validatingDispatcher = new ValidatingDispatcher(threadPool.getThreadContext(), dispatcher, settings, configPath, NOOP_SSL_EXCEPTION_HANDLER);
final OpenDistroSecuritySSLNettyHttpServerTransport sgsnht = new OpenDistroSecuritySSLNettyHttpServerTransport(settings, networkService, bigArrays, threadPool, odsks, xContentRegistry, validatingDispatcher, NOOP_SSL_EXCEPTION_HANDLER, clusterSettings);
return Collections.singletonMap("com.amazon.opendistroforelasticsearch.security.ssl.http.netty.OpenDistroSecuritySSLNettyHttpServerTransport", () -> sgsnht);
}
return Collections.emptyMap();
}
@Override
public List getRestHandlers(Settings settings, RestController restController, ClusterSettings clusterSettings,
IndexScopedSettings indexScopedSettings, SettingsFilter settingsFilter,
IndexNameExpressionResolver indexNameExpressionResolver, Supplier nodesInCluster) {
final List handlers = new ArrayList(1);
if (!client) {
handlers.add(new OpenDistroSecuritySSLInfoAction(settings, configPath, restController, odsks, Objects.requireNonNull(principalExtractor)));
}
return handlers;
}
@Override
public List getTransportInterceptors(NamedWriteableRegistry namedWriteableRegistry, ThreadContext threadContext) {
List interceptors = new ArrayList(1);
if(transportSSLEnabled && !client) {
interceptors.add(new OpenDistroSecuritySSLTransportInterceptor(settings, null, null, NOOP_SSL_EXCEPTION_HANDLER));
}
return interceptors;
}
@Override
public Map> getTransports(Settings settings, ThreadPool threadPool, PageCacheRecycler pageCacheRecycler,
CircuitBreakerService circuitBreakerService, NamedWriteableRegistry namedWriteableRegistry, NetworkService networkService) {
Map> transports = new HashMap>();
if (transportSSLEnabled) {
transports.put("com.amazon.opendistroforelasticsearch.security.ssl.http.netty.OpenDistroSecuritySSLNettyTransport",
() -> new OpenDistroSecuritySSLNettyTransport(settings, Version.CURRENT, threadPool, networkService, pageCacheRecycler, namedWriteableRegistry, circuitBreakerService, odsks, NOOP_SSL_EXCEPTION_HANDLER));
}
return transports;
}
@Override
public Collection createComponents(Client localClient, ClusterService clusterService, ThreadPool threadPool,
ResourceWatcherService resourceWatcherService, ScriptService scriptService, NamedXContentRegistry xContentRegistry,
Environment environment, NodeEnvironment nodeEnvironment, NamedWriteableRegistry namedWriteableRegistry,
IndexNameExpressionResolver indexNameExpressionResolver, Supplier repositoriesServiceSupplier) {
final List components = new ArrayList<>(1);
if(client) {
return components;
}
final String principalExtractorClass = settings.get(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PRINCIPAL_EXTRACTOR_CLASS, null);
if(principalExtractorClass == null) {
principalExtractor = new com.amazon.opendistroforelasticsearch.security.ssl.transport.DefaultPrincipalExtractor();
} else {
try {
log.debug("Try to load and instantiate '{}'", principalExtractorClass);
Class principalExtractorClazz = Class.forName(principalExtractorClass);
principalExtractor = (PrincipalExtractor) principalExtractorClazz.newInstance();
} catch (Exception e) {
log.error("Unable to load '{}' due to", principalExtractorClass, e);
throw new ElasticsearchException(e);
}
}
components.add(principalExtractor);
return components;
}
@Override
public List> getSettings() {
List> settings = new ArrayList>();
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CLIENTAUTH_MODE, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_KEYSTORE_ALIAS, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_KEYSTORE_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_KEYSTORE_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_KEYSTORE_KEYPASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_KEYSTORE_TYPE, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_TRUSTSTORE_ALIAS, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_TRUSTSTORE_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_TRUSTSTORE_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_TRUSTSTORE_TYPE, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLE_OPENSSL_IF_AVAILABLE, OPENSSL_SUPPORTED, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED, SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED_DEFAULT, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLE_OPENSSL_IF_AVAILABLE, OPENSSL_SUPPORTED,Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED, SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED_DEFAULT, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENFORCE_HOSTNAME_VERIFICATION, true, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENFORCE_HOSTNAME_VERIFICATION_RESOLVE_HOST_NAME, true, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_KEYSTORE_ALIAS, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_KEYSTORE_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_KEYSTORE_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_KEYSTORE_KEYPASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_KEYSTORE_TYPE, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_TRUSTSTORE_ALIAS, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_TRUSTSTORE_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_TRUSTSTORE_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_TRUSTSTORE_TYPE, Property.NodeScope, Property.Filtered));
settings.add(Setting.listSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED_CIPHERS, Collections.emptyList(), Function.identity(), Property.NodeScope));//not filtered here
settings.add(Setting.listSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_ENABLED_PROTOCOLS, Collections.emptyList(), Function.identity(), Property.NodeScope));//not filtered here
settings.add(Setting.listSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED_CIPHERS, Collections.emptyList(), Function.identity(), Property.NodeScope));//not filtered here
settings.add(Setting.listSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_ENABLED_PROTOCOLS, Collections.emptyList(), Function.identity(), Property.NodeScope));//not filtered here
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_CLIENT_EXTERNAL_CONTEXT_ID, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PRINCIPAL_EXTRACTOR_CLASS, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PEMCERT_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PEMKEY_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PEMKEY_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_TRANSPORT_PEMTRUSTEDCAS_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_PEMCERT_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_PEMKEY_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_PEMKEY_PASSWORD, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_PEMTRUSTEDCAS_FILEPATH, Property.NodeScope, Property.Filtered));
settings.add(Setting.simpleString(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_FILE, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_VALIDATE, false, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_PREFER_CRLFILE_OVER_OCSP, false, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_CHECK_ONLY_END_ENTITIES, true, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_DISABLE_CRLDP, false, Property.NodeScope, Property.Filtered));
settings.add(Setting.boolSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_DISABLE_OCSP, false, Property.NodeScope, Property.Filtered));
settings.add(Setting.longSetting(SSLConfigConstants.OPENDISTRO_SECURITY_SSL_HTTP_CRL_VALIDATION_DATE, -1, -1, Property.NodeScope, Property.Filtered));
return settings;
}
@Override
public Settings additionalSettings() {
final Settings.Builder builder = Settings.builder();
if(!client && httpSSLEnabled) {
if(settings.get("http.compression") == null) {
builder.put("http.compression", false);
log.info("Disabled https compression by default to mitigate BREACH attacks. You can enable it by setting 'http.compression: true' in elasticsearch.yml");
}
builder.put(NetworkModule.HTTP_TYPE_KEY, "com.amazon.opendistroforelasticsearch.security.ssl.http.netty.OpenDistroSecuritySSLNettyHttpServerTransport");
}
if (transportSSLEnabled) {
builder.put(NetworkModule.TRANSPORT_TYPE_KEY, "com.amazon.opendistroforelasticsearch.security.ssl.http.netty.OpenDistroSecuritySSLNettyTransport");
}
return builder.build();
}
@Override
public List getSettingsFilter() {
List settingsFilter = new ArrayList<>();
settingsFilter.add("opendistro_security.*");
return settingsFilter;
}
}
