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Added a catch and another workaround for the OpenJDK SHA2 AIOOBE bug

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1637001 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker 2014-11-05 22:56:31 +00:00
parent 5f4a2a3b44
commit 1fcb0d7fd3
2 changed files with 168 additions and 140 deletions
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15
src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java
View File

@ -32,6 +32,8 @@ import java.io.IOException;
import java.io.OutputStream;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.security.Provider;
import java.security.Security;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
@ -395,6 +397,7 @@ public class SignatureInfo implements SignatureConfigurable {
@SuppressWarnings("unchecked")
public DigestInfo preSign(Document document, List<DigestInfo> digestInfos)
throws XMLSignatureException, MarshalException {
try {
signatureConfig.init(false);
// it's necessary to explicitly set the mdssi namespace, but the sign() method has no
@ -420,7 +423,14 @@ public class SignatureInfo implements SignatureConfigurable {
for (Map.Entry<String,String> me : signatureConfig.getNamespacePrefixes().entrySet()) {
xmlSignContext.putNamespacePrefix(me.getKey(), me.getValue());
}
xmlSignContext.setDefaultNamespacePrefix(""); // signatureConfig.getNamespacePrefixes().get(XML_DIGSIG_NS));
xmlSignContext.setDefaultNamespacePrefix("");
// signatureConfig.getNamespacePrefixes().get(XML_DIGSIG_NS));
// workaround for https://bugzilla.redhat.com/show_bug.cgi?id=1155012
Provider bcProv = Security.getProvider("BC");
if (bcProv != null) {
xmlSignContext.setProperty("org.jcp.xml.dsig.internal.dom.SignatureProvider", bcProv);
}
XMLSignatureFactory signatureFactory = signatureConfig.getSignatureFactory();
@ -527,6 +537,9 @@ public class SignatureInfo implements SignatureConfigurable {
String description = signatureConfig.getSignatureDescription();
return new DigestInfo(digestValue, signatureConfig.getDigestAlgo(), description);
} catch (ArrayIndexOutOfBoundsException e) {
throw new EncryptedDocumentException("\"your JVM is just too broken\" - check https://bugzilla.redhat.com/show_bug.cgi?id=1155012 if this applies to the stacktrace ...", e);
}
}
/**

23
src/ooxml/testcases/org/apache/poi/poifs/crypt/TestSignatureInfo.java
View File

@ -23,7 +23,10 @@
================================================================= */
package org.apache.poi.poifs.crypt;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileInputStream;
@ -47,6 +50,7 @@ import java.util.Iterator;
import java.util.List;
import java.util.TimeZone;
import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.POIDataSamples;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackageAccess;
@ -455,8 +459,10 @@ public class TestSignatureInfo {
, HashAlgorithm.sha384, HashAlgorithm.sha512, HashAlgorithm.ripemd160 };
for (HashAlgorithm ha : testAlgo) {
OPCPackage pkg = null;
try {
signatureConfig.setDigestAlgo(ha);
OPCPackage pkg = OPCPackage.open(copy(testdata.getFile(testFile)), PackageAccess.READ_WRITE);
pkg = OPCPackage.open(copy(testdata.getFile(testFile)), PackageAccess.READ_WRITE);
signatureConfig.setOpcPackage(pkg);
SignatureInfo si = new SignatureInfo();
@ -464,9 +470,18 @@ public class TestSignatureInfo {
si.confirmSignature();
boolean b = si.verifySignature();
pkg.close();
assertTrue(b);
} catch (EncryptedDocumentException e) {
// see http://apache-poi.1045710.n5.nabble.com/org-apache-poi-poifs-crypt-TestSignatureInfo-failing-on-trunk-on-Java-6-tp5717032.html
Throwable cause = e.getCause();
if (cause instanceof ArrayIndexOutOfBoundsException) {
LOG.log(POILogger.ERROR, "ignoring AIOOBE - hopefully a SHA2 bug ...", e);
} else {
throw e;
}
} finally {
if (pkg != null) pkg.close();
}
}
}