Add ThreadContextPermission for markAsSystemContext and allow core to perform the method (#15016)

github-actions[bot] · github-actions[bot] · commit aa182affc63c · 2024-07-31T11:56:53.000Z
* Add RuntimePermission for markAsSystemContext and allow core to perform the method Signed-off-by: Craig Perkins <cwperx@amazon.com> * private Signed-off-by: Craig Perkins <cwperx@amazon.com> * Surround with doPrivileged Signed-off-by: Craig Perkins <cwperx@amazon.com> * Create ThreadContextAccess Signed-off-by: Craig Perkins <cwperx@amazon.com> * Create notion of ThreadContextPermission Signed-off-by: Craig Perkins <cwperx@amazon.com> * Add to CHANGELOG Signed-off-by: Craig Perkins <cwperx@amazon.com> * Add javadoc Signed-off-by: Craig Perkins <cwperx@amazon.com> * Add to test-framework.policy file Signed-off-by: Craig Perkins <cwperx@amazon.com> * Mark as internal Signed-off-by: Craig Perkins <cwperx@amazon.com> --------- Signed-off-by: Craig Perkins <cwperx@amazon.com> (cherry picked from commit 597747d) Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix for hasInitiatedFetching to fix allocation explain and manual reroute APIs (([#14972](https://github.com/opensearch-project/OpenSearch/pull/14972))
 - Add setting to ignore throttling nodes for allocation of unassigned primaries in remote restore ([#14991](https://github.com/opensearch-project/OpenSearch/pull/14991))
 - Add basic aggregation support for derived fields ([#14618](https://github.com/opensearch-project/OpenSearch/pull/14618))
+- Add ThreadContextPermission for markAsSystemContext and allow core to perform the method ([#15016](https://github.com/opensearch-project/OpenSearch/pull/15016))
 
 ### Dependencies
 - Bump `org.apache.commons:commons-lang3` from 3.14.0 to 3.15.0 ([#14861](https://github.com/opensearch-project/OpenSearch/pull/14861))
diff --git a/libs/secure-sm/src/main/java/org/opensearch/secure_sm/ThreadContextPermission.java b/libs/secure-sm/src/main/java/org/opensearch/secure_sm/ThreadContextPermission.java
@@ -0,0 +1,40 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+package org.opensearch.secure_sm;
+
+import java.security.BasicPermission;
+
+/**
+ * Permission to utilize methods in the ThreadContext class that are normally not accessible
+ *
+ * @see ThreadGroup
+ * @see SecureSM
+ */
+public final class ThreadContextPermission extends BasicPermission {
+
+    /**
+     * Creates a new ThreadContextPermission object.
+     *
+     * @param name target name
+     */
+    public ThreadContextPermission(String name) {
+        super(name);
+    }
+
+    /**
+     * Creates a new ThreadContextPermission object.
+     * This constructor exists for use by the {@code Policy} object to instantiate new Permission objects.
+     *
+     * @param name target name
+     * @param actions ignored
+     */
+    public ThreadContextPermission(String name, String actions) {
+        super(name, actions);
+    }
+}
diff --git a/server/src/main/java/org/opensearch/cluster/service/ClusterApplierService.java b/server/src/main/java/org/opensearch/cluster/service/ClusterApplierService.java
@@ -61,6 +61,7 @@
 import org.opensearch.common.util.concurrent.OpenSearchExecutors;
 import org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.concurrency.OpenSearchRejectedExecutionException;
 import org.opensearch.telemetry.metrics.noop.NoopMetricsRegistry;
 import org.opensearch.telemetry.metrics.tags.Tags;
@@ -396,7 +397,7 @@ private void submitStateUpdateTask(
         final ThreadContext threadContext = threadPool.getThreadContext();
         final Supplier<ThreadContext.StoredContext> supplier = threadContext.newRestorableContext(true);
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             final UpdateTask updateTask = new UpdateTask(
                 config.priority(),
                 source,
diff --git a/server/src/main/java/org/opensearch/cluster/service/MasterService.java b/server/src/main/java/org/opensearch/cluster/service/MasterService.java
@@ -66,6 +66,7 @@
 import org.opensearch.common.util.concurrent.OpenSearchExecutors;
 import org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.Assertions;
 import org.opensearch.core.common.text.Text;
 import org.opensearch.core.concurrency.OpenSearchRejectedExecutionException;
@@ -1022,7 +1023,7 @@ public <T> void submitStateUpdateTasks(
         final ThreadContext threadContext = threadPool.getThreadContext();
         final Supplier<ThreadContext.StoredContext> supplier = threadContext.newRestorableContext(true);
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
 
             List<Batcher.UpdateTask> safeTasks = tasks.entrySet()
                 .stream()
diff --git a/server/src/main/java/org/opensearch/common/util/concurrent/ThreadContext.java b/server/src/main/java/org/opensearch/common/util/concurrent/ThreadContext.java
@@ -45,11 +45,13 @@
 import org.opensearch.core.common.io.stream.StreamOutput;
 import org.opensearch.core.common.io.stream.Writeable;
 import org.opensearch.http.HttpTransportSettings;
+import org.opensearch.secure_sm.ThreadContextPermission;
 import org.opensearch.tasks.Task;
 import org.opensearch.tasks.TaskThreadContextStatePropagator;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.security.Permission;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -111,6 +113,10 @@ public final class ThreadContext implements Writeable {
      */
     public static final String ACTION_ORIGIN_TRANSIENT_NAME = "action.origin";
 
+    // thread context permissions
+
+    private static final Permission ACCESS_SYSTEM_THREAD_CONTEXT_PERMISSION = new ThreadContextPermission("markAsSystemContext");
+
     private static final Logger logger = LogManager.getLogger(ThreadContext.class);
     private static final ThreadContextStruct DEFAULT_CONTEXT = new ThreadContextStruct();
     private final Map<String, String> defaultHeader;
@@ -554,8 +560,19 @@ boolean isDefaultContext() {
     /**
      * Marks this thread context as an internal system context. This signals that actions in this context are issued
      * by the system itself rather than by a user action.
+     *
+     * Usage of markAsSystemContext is guarded by a ThreadContextPermission. In order to use
+     * markAsSystemContext, the codebase needs to explicitly be granted permission in the JSM policy file.
+     *
+     * Add an entry in the grant portion of the policy file like this:
+     *
+     * permission org.opensearch.secure_sm.ThreadContextPermission "markAsSystemContext";
      */
     public void markAsSystemContext() {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(ACCESS_SYSTEM_THREAD_CONTEXT_PERMISSION);
+        }
         threadLocal.set(threadLocal.get().setSystemContext(propagators));
     }
 
diff --git a/server/src/main/java/org/opensearch/common/util/concurrent/ThreadContextAccess.java b/server/src/main/java/org/opensearch/common/util/concurrent/ThreadContextAccess.java
@@ -0,0 +1,41 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+package org.opensearch.common.util.concurrent;
+
+import org.opensearch.SpecialPermission;
+import org.opensearch.common.annotation.InternalApi;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+/**
+ * This class wraps the {@link ThreadContext} operations requiring access in
+ * {@link AccessController#doPrivileged(PrivilegedAction)} blocks.
+ *
+ * @opensearch.internal
+ */
+@SuppressWarnings("removal")
+@InternalApi
+public final class ThreadContextAccess {
+
+    private ThreadContextAccess() {}
+
+    public static <T> T doPrivileged(PrivilegedAction<T> operation) {
+        SpecialPermission.check();
+        return AccessController.doPrivileged(operation);
+    }
+
+    public static void doPrivilegedVoid(Runnable action) {
+        SpecialPermission.check();
+        AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
+            action.run();
+            return null;
+        });
+    }
+}
diff --git a/server/src/main/java/org/opensearch/index/seqno/GlobalCheckpointSyncAction.java b/server/src/main/java/org/opensearch/index/seqno/GlobalCheckpointSyncAction.java
@@ -44,6 +44,7 @@
 import org.opensearch.common.inject.Inject;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.index.shard.ShardId;
@@ -98,7 +99,7 @@ public GlobalCheckpointSyncAction(
     public void updateGlobalCheckpointForShard(final ShardId shardId) {
         final ThreadContext threadContext = threadPool.getThreadContext();
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             execute(new Request(shardId), ActionListener.wrap(r -> {}, e -> {
                 if (ExceptionsHelper.unwrap(e, AlreadyClosedException.class, IndexShardClosedException.class) == null) {
                     logger.info(new ParameterizedMessage("{} global checkpoint sync failed", shardId), e);
diff --git a/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseBackgroundSyncAction.java b/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseBackgroundSyncAction.java
@@ -48,6 +48,7 @@
 import org.opensearch.common.inject.Inject;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -122,7 +123,7 @@ final void backgroundSync(ShardId shardId, String primaryAllocationId, long prim
         final ThreadContext threadContext = threadPool.getThreadContext();
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
             // we have to execute under the system context so that if security is enabled the sync is authorized
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             final Request request = new Request(shardId, retentionLeases);
             final ReplicationTask task = (ReplicationTask) taskManager.register("transport", "retention_lease_background_sync", request);
             transportService.sendChildRequest(
diff --git a/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseSyncAction.java b/server/src/main/java/org/opensearch/index/seqno/RetentionLeaseSyncAction.java
@@ -50,6 +50,7 @@
 import org.opensearch.common.inject.Inject;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -137,7 +138,7 @@ final void sync(
         final ThreadContext threadContext = threadPool.getThreadContext();
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
             // we have to execute under the system context so that if security is enabled the sync is authorized
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             final Request request = new Request(shardId, retentionLeases);
             final ReplicationTask task = (ReplicationTask) taskManager.register("transport", "retention_lease_sync", request);
             transportService.sendChildRequest(
diff --git a/server/src/main/java/org/opensearch/indices/replication/checkpoint/PublishCheckpointAction.java b/server/src/main/java/org/opensearch/indices/replication/checkpoint/PublishCheckpointAction.java
@@ -24,6 +24,7 @@
 import org.opensearch.common.inject.Inject;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.index.IndexNotFoundException;
@@ -113,7 +114,7 @@ final void publish(IndexShard indexShard, ReplicationCheckpoint checkpoint) {
         final ThreadContext threadContext = threadPool.getThreadContext();
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
             // we have to execute under the system context so that if security is enabled the sync is authorized
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             PublishCheckpointRequest request = new PublishCheckpointRequest(checkpoint);
             final ReplicationTask task = (ReplicationTask) taskManager.register("transport", "segrep_publish_checkpoint", request);
             final ReplicationTimer timer = new ReplicationTimer();
diff --git a/server/src/main/java/org/opensearch/transport/RemoteClusterConnection.java b/server/src/main/java/org/opensearch/transport/RemoteClusterConnection.java
@@ -40,6 +40,7 @@
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.unit.TimeValue;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.common.util.io.IOUtils;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.io.stream.StreamInput;
@@ -136,7 +137,7 @@ void collectNodes(ActionListener<Function<String, DiscoveryNode>> listener) {
                 new ContextPreservingActionListener<>(threadContext.newRestorableContext(false), listener);
             try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
                 // we stash any context here since this is an internal execution and should not leak any existing context information
-                threadContext.markAsSystemContext();
+                ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
 
                 final ClusterStateRequest request = new ClusterStateRequest();
                 request.clear();
diff --git a/server/src/main/java/org/opensearch/transport/SniffConnectionStrategy.java b/server/src/main/java/org/opensearch/transport/SniffConnectionStrategy.java
@@ -47,6 +47,7 @@
 import org.opensearch.common.settings.Setting;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.common.util.io.IOUtils;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.Strings;
@@ -349,7 +350,7 @@ private void collectRemoteNodes(Iterator<Supplier<DiscoveryNode>> seedNodes, Act
                 try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
                     // we stash any context here since this is an internal execution and should not leak any
                     // existing context information.
-                    threadContext.markAsSystemContext();
+                    ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
                     transportService.sendRequest(
                         connection,
                         ClusterStateAction.NAME,
diff --git a/server/src/main/resources/org/opensearch/bootstrap/security.policy b/server/src/main/resources/org/opensearch/bootstrap/security.policy
@@ -48,6 +48,7 @@ grant codeBase "${codebase.opensearch}" {
   permission java.lang.RuntimePermission "setContextClassLoader";
   // needed for SPI class loading
   permission java.lang.RuntimePermission "accessDeclaredMembers";
+  permission org.opensearch.secure_sm.ThreadContextPermission "markAsSystemContext";
 };
 
 //// Very special jar permissions:
diff --git a/server/src/main/resources/org/opensearch/bootstrap/test-framework.policy b/server/src/main/resources/org/opensearch/bootstrap/test-framework.policy
@@ -147,4 +147,5 @@ grant {
   permission java.lang.RuntimePermission "reflectionFactoryAccess";
   permission java.lang.RuntimePermission "accessClassInPackage.sun.reflect";
   permission java.lang.reflect.ReflectPermission "suppressAccessChecks";
+  permission org.opensearch.secure_sm.ThreadContextPermission "markAsSystemContext";
 };
diff --git a/server/src/test/java/org/opensearch/cluster/metadata/TemplateUpgradeServiceTests.java b/server/src/test/java/org/opensearch/cluster/metadata/TemplateUpgradeServiceTests.java
@@ -47,6 +47,7 @@
 import org.opensearch.cluster.service.ClusterService;
 import org.opensearch.common.collect.Tuple;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.common.bytes.BytesArray;
 import org.opensearch.core.common.bytes.BytesReference;
@@ -225,7 +226,7 @@ public void testUpdateTemplates() {
         service.upgradesInProgress.set(additionsCount + deletionsCount + 2); // +2 to skip tryFinishUpgrade
         final ThreadContext threadContext = threadPool.getThreadContext();
         try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             service.upgradeTemplates(additions, deletions);
         }
 
diff --git a/server/src/test/java/org/opensearch/common/util/concurrent/ThreadContextTests.java b/server/src/test/java/org/opensearch/common/util/concurrent/ThreadContextTests.java
@@ -565,7 +565,7 @@ public void testPreservesThreadsOriginalContextOnRunException() throws IOExcepti
             threadContext.putHeader("foo", "bar");
             boolean systemContext = randomBoolean();
             if (systemContext) {
-                threadContext.markAsSystemContext();
+                ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             }
             threadContext.putTransient("foo", "bar_transient");
             withContext = threadContext.preserveContext(new AbstractRunnable() {
@@ -736,7 +736,7 @@ public void testMarkAsSystemContext() throws IOException {
         assertFalse(threadContext.isSystemContext());
         try (ThreadContext.StoredContext context = threadContext.stashContext()) {
             assertFalse(threadContext.isSystemContext());
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             assertTrue(threadContext.isSystemContext());
         }
         assertFalse(threadContext.isSystemContext());
@@ -761,7 +761,7 @@ public void testSystemContextWithPropagator() {
         assertEquals(Integer.valueOf(1), threadContext.getTransient("test_transient_propagation_key"));
         assertEquals("bar", threadContext.getHeader("foo"));
         try (ThreadContext.StoredContext ctx = threadContext.stashContext()) {
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             assertNull(threadContext.getHeader("foo"));
             assertNull(threadContext.getTransient("test_transient_propagation_key"));
             assertEquals("1", threadContext.getHeader("default"));
@@ -793,7 +793,7 @@ public void testSerializeSystemContext() throws IOException {
         threadContext.writeTo(out);
         try (ThreadContext.StoredContext ctx = threadContext.stashContext()) {
             assertEquals("test", threadContext.getTransient("test_transient_propagation_key"));
-            threadContext.markAsSystemContext();
+            ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
             threadContext.writeTo(outFromSystemContext);
             assertNull(threadContext.getHeader("foo"));
             assertNull(threadContext.getTransient("test_transient_propagation_key"));
diff --git a/server/src/test/java/org/opensearch/telemetry/tracing/ThreadContextBasedTracerContextStorageTests.java b/server/src/test/java/org/opensearch/telemetry/tracing/ThreadContextBasedTracerContextStorageTests.java
@@ -12,6 +12,7 @@
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.concurrent.ThreadContext;
 import org.opensearch.common.util.concurrent.ThreadContext.StoredContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.telemetry.Telemetry;
 import org.opensearch.telemetry.TelemetrySettings;
 import org.opensearch.telemetry.metrics.MetricsTelemetry;
@@ -260,7 +261,7 @@ public void testSpanNotPropagatedToChildSystemThreadContext() {
             try (StoredContext ignored = threadContext.stashContext()) {
                 assertThat(threadContext.getTransient(ThreadContextBasedTracerContextStorage.CURRENT_SPAN), is(not(nullValue())));
                 assertThat(threadContextStorage.get(ThreadContextBasedTracerContextStorage.CURRENT_SPAN), is(span));
-                threadContext.markAsSystemContext();
+                ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
                 assertThat(threadContext.getTransient(ThreadContextBasedTracerContextStorage.CURRENT_SPAN), is(nullValue()));
             }
         }
diff --git a/server/src/test/resources/org/opensearch/bootstrap/test.policy b/server/src/test/resources/org/opensearch/bootstrap/test.policy
@@ -7,7 +7,7 @@
  */
 
 grant {
-  // allow to test Security policy and codebases 
+  // allow to test Security policy and codebases
   permission java.util.PropertyPermission "*", "read,write";
   permission java.security.SecurityPermission "createPolicy.JavaPolicy";
 };
diff --git a/test/framework/src/main/java/org/opensearch/cluster/service/FakeThreadPoolClusterManagerService.java b/test/framework/src/main/java/org/opensearch/cluster/service/FakeThreadPoolClusterManagerService.java
@@ -44,6 +44,7 @@
 import org.opensearch.common.util.concurrent.OpenSearchExecutors;
 import org.opensearch.common.util.concurrent.PrioritizedOpenSearchThreadPoolExecutor;
 import org.opensearch.common.util.concurrent.ThreadContext;
+import org.opensearch.common.util.concurrent.ThreadContextAccess;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.node.Node;
 import org.opensearch.telemetry.metrics.noop.NoopMetricsRegistry;
@@ -134,7 +135,7 @@ public void run() {
                     scheduledNextTask = false;
                     final ThreadContext threadContext = threadPool.getThreadContext();
                     try (ThreadContext.StoredContext ignored = threadContext.stashContext()) {
-                        threadContext.markAsSystemContext();
+                        ThreadContextAccess.doPrivilegedVoid(threadContext::markAsSystemContext);
                         task.run();
                     }
                     if (waitForPublish == false) {
