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LUCENE-6791: sketchy MockFileSystem reflection should be in AccessController block 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1702038 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2015-09-09 15:33:02 +00:00
parent 5db80b0b90
commit 2489b18c86
1 changed files with 22 additions and 15 deletions
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9
lucene/test-framework/src/java/org/apache/lucene/mockfile/FilterFileChannel.java
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@ -26,6 +26,8 @@ import java.nio.channels.FileChannel;
import java.nio.channels.FileLock; import java.nio.channels.FileLock;
import java.nio.channels.ReadableByteChannel; import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel; import java.nio.channels.WritableByteChannel;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Objects; import java.util.Objects;
/** /**
@ -137,6 +139,9 @@ public class FilterFileChannel extends FileChannel {
@Override @Override
protected void implCloseChannel() throws IOException { protected void implCloseChannel() throws IOException {
// our only way to call delegate.implCloseChannel() // our only way to call delegate.implCloseChannel()
AccessController.doPrivileged(new PrivilegedAction<Void>() {
@Override
public Void run() {
for (Class<?> clazz = delegate.getClass(); clazz != null; clazz = clazz.getSuperclass()) { for (Class<?> clazz = delegate.getClass(); clazz != null; clazz = clazz.getSuperclass()) {
final Method method; final Method method;
try { try {
@ -147,11 +152,13 @@ public class FilterFileChannel extends FileChannel {
try { try {
method.setAccessible(true); method.setAccessible(true);
method.invoke(delegate); method.invoke(delegate);
return; return null;
} catch (ReflectiveOperationException e) { } catch (ReflectiveOperationException e) {
throw new IOError(e); throw new IOError(e);
} }
} }
throw new AssertionError(); throw new AssertionError();
} }
});
}
} }