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Initialize security providers at run time.
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...tratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/SecurityProvidersSupport.java
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| /* | ||
| * Copyright (c) 2024, 2024, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
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| package com.oracle.svm.core.jdk; | ||
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| import java.lang.reflect.Constructor; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.security.Provider; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| import org.graalvm.nativeimage.ImageSingletons; | ||
| import org.graalvm.nativeimage.Platform; | ||
| import org.graalvm.nativeimage.Platforms; | ||
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| import com.oracle.svm.core.util.VMError; | ||
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| import jdk.graal.compiler.api.replacements.Fold; | ||
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| /** | ||
| * The class that holds various build-time and runtime structures necessary for security providers. | ||
| */ | ||
| public final class SecurityProvidersSupport { | ||
| /** | ||
| * A set of providers to be loaded using the service-loading technique at runtime, but not | ||
| * discoverable at build-time when processing services in the feature (see | ||
| * ServiceLoaderFeature#handleServiceClassIsReachable). This occurs when the user does not | ||
| * explicitly request a provider, but the provider is discovered via static analysis from a | ||
| * JCA-compliant security service used by the user's code (see | ||
| * SecurityServicesFeature#registerServiceReachabilityHandlers). | ||
| */ | ||
| @Platforms(Platform.HOSTED_ONLY.class)// | ||
| private final Set<String> markedAsNotLoaded = Collections.synchronizedSet(new HashSet<>()); | ||
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| /** Set of fully qualified provider names, required for runtime resource access. */ | ||
| private final Set<String> userRequestedSecurityProviders = Collections.synchronizedSet(new HashSet<>()); | ||
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| /** | ||
| * A map of providers, identified by their names (see {@link Provider#getName()}), and the | ||
| * results of their verification (see javax.crypto.JceSecurity#getVerificationResult). This | ||
| * structure is used instead of the (see javax.crypto.JceSecurity#verifyingProviders) map to | ||
| * avoid keeping provider objects in the image heap. | ||
| */ | ||
| private final Map<String, Object> verifiedSecurityProviders = Collections.synchronizedMap(new HashMap<>()); | ||
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| private Constructor<?> sunECConstructor; | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public SecurityProvidersSupport(List<String> userRequestedSecurityProviders) { | ||
| this.userRequestedSecurityProviders.addAll(userRequestedSecurityProviders); | ||
| } | ||
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| @Fold | ||
| public static SecurityProvidersSupport singleton() { | ||
| return ImageSingletons.lookup(SecurityProvidersSupport.class); | ||
| } | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public void addVerifiedSecurityProvider(String key, Object value) { | ||
| verifiedSecurityProviders.put(key, value); | ||
| } | ||
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| public Object getSecurityProviderVerificationResult(String key) { | ||
| return verifiedSecurityProviders.get(key); | ||
| } | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public void markSecurityProviderAsNotLoaded(String provider) { | ||
| markedAsNotLoaded.add(provider); | ||
| } | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public boolean isSecurityProviderNotLoaded(String provider) { | ||
| return markedAsNotLoaded.contains(provider); | ||
| } | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public boolean isUserRequestedSecurityProvider(String provider) { | ||
| return userRequestedSecurityProviders.contains(provider); | ||
| } | ||
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| /** | ||
| * Returns {@code true} if the provider, identified by either its name (e.g., SUN) or fully | ||
| * qualified name (e.g., sun.security.provider.Sun), is either user-requested or reachable via a | ||
| * security service. | ||
| */ | ||
| public boolean isSecurityProviderExpected(String providerName, String providerFQName) { | ||
| return verifiedSecurityProviders.containsKey(providerName) || userRequestedSecurityProviders.contains(providerFQName); | ||
| } | ||
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| @Platforms(Platform.HOSTED_ONLY.class) | ||
| public void setSunECConstructor(Constructor<?> sunECConstructor) { | ||
| this.sunECConstructor = sunECConstructor; | ||
| } | ||
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| public Provider allocateSunECProvider() { | ||
| try { | ||
| return (Provider) sunECConstructor.newInstance(); | ||
| } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) { | ||
| throw VMError.shouldNotReachHere("The SunEC constructor is not present."); | ||
| } | ||
| } | ||
| } |
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