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

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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@ -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;
@ -395,138 +397,149 @@ public class SignatureInfo implements SignatureConfigurable {
@SuppressWarnings("unchecked")
public DigestInfo preSign(Document document, List<DigestInfo> digestInfos)
throws XMLSignatureException, MarshalException {
signatureConfig.init(false);
// it's necessary to explicitly set the mdssi namespace, but the sign() method has no
// normal way to interfere with, so we need to add the namespace under the hand ...
EventTarget target = (EventTarget)document;
EventListener creationListener = signatureConfig.getSignatureMarshalListener();
if (creationListener != null) {
if (creationListener instanceof SignatureMarshalListener) {
((SignatureMarshalListener)creationListener).setEventTarget(target);
}
SignatureMarshalListener.setListener(target, creationListener, true);
}
/*
* Signature context construction.
*/
XMLSignContext xmlSignContext = new DOMSignContext(signatureConfig.getKey(), document);
URIDereferencer uriDereferencer = signatureConfig.getUriDereferencer();
if (null != uriDereferencer) {
xmlSignContext.setURIDereferencer(uriDereferencer);
}
for (Map.Entry<String,String> me : signatureConfig.getNamespacePrefixes().entrySet()) {
xmlSignContext.putNamespacePrefix(me.getKey(), me.getValue());
}
xmlSignContext.setDefaultNamespacePrefix(""); // signatureConfig.getNamespacePrefixes().get(XML_DIGSIG_NS));
XMLSignatureFactory signatureFactory = signatureConfig.getSignatureFactory();
/*
* Add ds:References that come from signing client local files.
*/
List<Reference> references = new ArrayList<Reference>();
for (DigestInfo digestInfo : safe(digestInfos)) {
byte[] documentDigestValue = digestInfo.digestValue;
String uri = new File(digestInfo.description).getName();
Reference reference = SignatureFacet.newReference
(uri, null, null, null, documentDigestValue, signatureConfig);
references.add(reference);
}
/*
* Invoke the signature facets.
*/
List<XMLObject> objects = new ArrayList<XMLObject>();
for (SignatureFacet signatureFacet : signatureConfig.getSignatureFacets()) {
LOG.log(POILogger.DEBUG, "invoking signature facet: " + signatureFacet.getClass().getSimpleName());
signatureFacet.preSign(document, references, objects);
}
/*
* ds:SignedInfo
*/
SignedInfo signedInfo;
try {
SignatureMethod signatureMethod = signatureFactory.newSignatureMethod
(signatureConfig.getSignatureMethodUri(), null);
CanonicalizationMethod canonicalizationMethod = signatureFactory
.newCanonicalizationMethod(signatureConfig.getCanonicalizationMethod(),
(C14NMethodParameterSpec) null);
signedInfo = signatureFactory.newSignedInfo(
canonicalizationMethod, signatureMethod, references);
} catch (GeneralSecurityException e) {
throw new XMLSignatureException(e);
}
/*
* JSR105 ds:Signature creation
*/
String signatureValueId = signatureConfig.getPackageSignatureId() + "-signature-value";
javax.xml.crypto.dsig.XMLSignature xmlSignature = signatureFactory
.newXMLSignature(signedInfo, null, objects, signatureConfig.getPackageSignatureId(),
signatureValueId);
/*
* ds:Signature Marshalling.
*/
xmlSignature.sign(xmlSignContext);
/*
* Completion of undigested ds:References in the ds:Manifests.
*/
for (XMLObject object : objects) {
LOG.log(POILogger.DEBUG, "object java type: " + object.getClass().getName());
List<XMLStructure> objectContentList = object.getContent();
for (XMLStructure objectContent : objectContentList) {
LOG.log(POILogger.DEBUG, "object content java type: " + objectContent.getClass().getName());
if (!(objectContent instanceof Manifest)) continue;
Manifest manifest = (Manifest) objectContent;
List<Reference> manifestReferences = manifest.getReferences();
for (Reference manifestReference : manifestReferences) {
if (manifestReference.getDigestValue() != null) continue;
DOMReference manifestDOMReference = (DOMReference)manifestReference;
manifestDOMReference.digest(xmlSignContext);
signatureConfig.init(false);
// it's necessary to explicitly set the mdssi namespace, but the sign() method has no
// normal way to interfere with, so we need to add the namespace under the hand ...
EventTarget target = (EventTarget)document;
EventListener creationListener = signatureConfig.getSignatureMarshalListener();
if (creationListener != null) {
if (creationListener instanceof SignatureMarshalListener) {
((SignatureMarshalListener)creationListener).setEventTarget(target);
}
SignatureMarshalListener.setListener(target, creationListener, true);
}
/*
* Signature context construction.
*/
XMLSignContext xmlSignContext = new DOMSignContext(signatureConfig.getKey(), document);
URIDereferencer uriDereferencer = signatureConfig.getUriDereferencer();
if (null != uriDereferencer) {
xmlSignContext.setURIDereferencer(uriDereferencer);
}
for (Map.Entry<String,String> me : signatureConfig.getNamespacePrefixes().entrySet()) {
xmlSignContext.putNamespacePrefix(me.getKey(), me.getValue());
}
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();
/*
* Add ds:References that come from signing client local files.
*/
List<Reference> references = new ArrayList<Reference>();
for (DigestInfo digestInfo : safe(digestInfos)) {
byte[] documentDigestValue = digestInfo.digestValue;
String uri = new File(digestInfo.description).getName();
Reference reference = SignatureFacet.newReference
(uri, null, null, null, documentDigestValue, signatureConfig);
references.add(reference);
}
/*
* Invoke the signature facets.
*/
List<XMLObject> objects = new ArrayList<XMLObject>();
for (SignatureFacet signatureFacet : signatureConfig.getSignatureFacets()) {
LOG.log(POILogger.DEBUG, "invoking signature facet: " + signatureFacet.getClass().getSimpleName());
signatureFacet.preSign(document, references, objects);
}
/*
* ds:SignedInfo
*/
SignedInfo signedInfo;
try {
SignatureMethod signatureMethod = signatureFactory.newSignatureMethod
(signatureConfig.getSignatureMethodUri(), null);
CanonicalizationMethod canonicalizationMethod = signatureFactory
.newCanonicalizationMethod(signatureConfig.getCanonicalizationMethod(),
(C14NMethodParameterSpec) null);
signedInfo = signatureFactory.newSignedInfo(
canonicalizationMethod, signatureMethod, references);
} catch (GeneralSecurityException e) {
throw new XMLSignatureException(e);
}
/*
* JSR105 ds:Signature creation
*/
String signatureValueId = signatureConfig.getPackageSignatureId() + "-signature-value";
javax.xml.crypto.dsig.XMLSignature xmlSignature = signatureFactory
.newXMLSignature(signedInfo, null, objects, signatureConfig.getPackageSignatureId(),
signatureValueId);
/*
* ds:Signature Marshalling.
*/
xmlSignature.sign(xmlSignContext);
/*
* Completion of undigested ds:References in the ds:Manifests.
*/
for (XMLObject object : objects) {
LOG.log(POILogger.DEBUG, "object java type: " + object.getClass().getName());
List<XMLStructure> objectContentList = object.getContent();
for (XMLStructure objectContent : objectContentList) {
LOG.log(POILogger.DEBUG, "object content java type: " + objectContent.getClass().getName());
if (!(objectContent instanceof Manifest)) continue;
Manifest manifest = (Manifest) objectContent;
List<Reference> manifestReferences = manifest.getReferences();
for (Reference manifestReference : manifestReferences) {
if (manifestReference.getDigestValue() != null) continue;
DOMReference manifestDOMReference = (DOMReference)manifestReference;
manifestDOMReference.digest(xmlSignContext);
}
}
}
}
/*
* Completion of undigested ds:References.
*/
List<Reference> signedInfoReferences = signedInfo.getReferences();
for (Reference signedInfoReference : signedInfoReferences) {
DOMReference domReference = (DOMReference)signedInfoReference;
// ds:Reference with external digest value
if (domReference.getDigestValue() != null) continue;
/*
* Completion of undigested ds:References.
*/
List<Reference> signedInfoReferences = signedInfo.getReferences();
for (Reference signedInfoReference : signedInfoReferences) {
DOMReference domReference = (DOMReference)signedInfoReference;
// ds:Reference with external digest value
if (domReference.getDigestValue() != null) continue;
domReference.digest(xmlSignContext);
}
/*
* Calculation of XML signature digest value.
*/
DOMSignedInfo domSignedInfo = (DOMSignedInfo)signedInfo;
ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
domSignedInfo.canonicalize(xmlSignContext, dataStream);
byte[] octets = dataStream.toByteArray();
/*
* TODO: we could be using DigestOutputStream here to optimize memory
* usage.
*/
MessageDigest md = CryptoFunctions.getMessageDigest(signatureConfig.getDigestAlgo());
byte[] digestValue = md.digest(octets);
domReference.digest(xmlSignContext);
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);
}
/*
* Calculation of XML signature digest value.
*/
DOMSignedInfo domSignedInfo = (DOMSignedInfo)signedInfo;
ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
domSignedInfo.canonicalize(xmlSignContext, dataStream);
byte[] octets = dataStream.toByteArray();
/*
* TODO: we could be using DigestOutputStream here to optimize memory
* usage.
*/
MessageDigest md = CryptoFunctions.getMessageDigest(signatureConfig.getDigestAlgo());
byte[] digestValue = md.digest(octets);
String description = signatureConfig.getSignatureDescription();
return new DigestInfo(digestValue, signatureConfig.getDigestAlgo(), description);
}
/**

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@ -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;
@ -455,18 +459,29 @@ public class TestSignatureInfo {
, HashAlgorithm.sha384, HashAlgorithm.sha512, HashAlgorithm.ripemd160 };
for (HashAlgorithm ha : testAlgo) {
signatureConfig.setDigestAlgo(ha);
OPCPackage pkg = OPCPackage.open(copy(testdata.getFile(testFile)), PackageAccess.READ_WRITE);
signatureConfig.setOpcPackage(pkg);
SignatureInfo si = new SignatureInfo();
si.setSignatureConfig(signatureConfig);
si.confirmSignature();
boolean b = si.verifySignature();
pkg.close();
assertTrue(b);
OPCPackage pkg = null;
try {
signatureConfig.setDigestAlgo(ha);
pkg = OPCPackage.open(copy(testdata.getFile(testFile)), PackageAccess.READ_WRITE);
signatureConfig.setOpcPackage(pkg);
SignatureInfo si = new SignatureInfo();
si.setSignatureConfig(signatureConfig);
si.confirmSignature();
boolean b = si.verifySignature();
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();
}
}
}