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/*
* Copyright (c) 2018, 2020, 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.
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package org.openeuler.sun.security.ssl;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.cert.X509Certificate;
import java.security.interfaces.ECKey;
import java.security.interfaces.ECPublicKey;
import java.security.spec.ECParameterSpec;
import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.Map;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.X509ExtendedKeyManager;
import org.openeuler.gm.GMConstants;
import org.openeuler.sun.security.ssl.SupportedGroupsExtension.NamedGroup;
import org.openeuler.sun.security.ssl.SupportedGroupsExtension.SupportedGroups;
enum X509Authentication implements SSLAuthentication {
// Require rsaEncryption public key
RSA ("RSA", new X509PossessionGenerator(
new String[]{"RSA"})),
// Require RSASSA-PSS public key
RSASSA_PSS ("RSASSA-PSS", new X509PossessionGenerator(
new String[] {"RSASSA-PSS"})),
// Require rsaEncryption or RSASSA-PSS public key
//
// Note that this is a specifical scheme for TLS 1.2. (EC)DHE_RSA cipher
// suites of TLS 1.2 can use either rsaEncryption or RSASSA-PSS public
// key for authentication and handshake.
RSA_OR_PSS ("RSA_OR_PSS", new X509PossessionGenerator(
new String[] {"RSA", "RSASSA-PSS"})),
// Require DSA public key
DSA ("DSA", new X509PossessionGenerator(
new String[] {"DSA"})),
// Require EC public key
EC ("EC", new X509PossessionGenerator(
new String[] {"EC"})),
// Require SM2 public key
SM2 ("SM2", new X509PossessionGenerator(
new String[] {"SM2"}));
final String keyType;
final SSLPossessionGenerator possessionGenerator;
private X509Authentication(String keyType,
SSLPossessionGenerator possessionGenerator) {
this.keyType = keyType;
this.possessionGenerator = possessionGenerator;
}
static X509Authentication valueOf(SignatureScheme signatureScheme) {
for (X509Authentication au : X509Authentication.values()) {
if (au.keyType.equals(signatureScheme.keyAlgorithm)) {
return au;
}
}
return null;
}
@Override
public SSLPossession createPossession(HandshakeContext handshakeContext) {
return possessionGenerator.createPossession(handshakeContext);
}
@Override
public SSLHandshake[] getRelatedHandshakers(
HandshakeContext handshakeContext) {
if (!handshakeContext.negotiatedProtocol.useTLS13PlusSpec()) {
return new SSLHandshake[] {
SSLHandshake.CERTIFICATE,
SSLHandshake.CERTIFICATE_REQUEST
};
} // Otherwise, TLS 1.3 does not use this method.
return new SSLHandshake[0];
}
@SuppressWarnings({"unchecked", "rawtypes"})
@Override
public Map.Entry[] getHandshakeProducers(
HandshakeContext handshakeContext) {
if (!handshakeContext.negotiatedProtocol.useTLS13PlusSpec()) {
return (Map.Entry[])(new Map.Entry[] {
new SimpleImmutableEntry(
SSLHandshake.CERTIFICATE.id,
SSLHandshake.CERTIFICATE
)
});
} // Otherwise, TLS 1.3 does not use this method.
return (Map.Entry[])(new Map.Entry[0]);
}
static final class X509Possession implements SSLPossession {
// Proof of possession of the private key corresponding to the public
// key for which a certificate is being provided for authentication.
final X509Certificate[] popCerts;
final PrivateKey popPrivateKey;
X509Possession(PrivateKey popPrivateKey,
X509Certificate[] popCerts) {
this.popCerts = popCerts;
this.popPrivateKey = popPrivateKey;
}
ECParameterSpec getECParameterSpec() {
if (popPrivateKey == null ||
!"EC".equals(popPrivateKey.getAlgorithm())) {
return null;
}
if (popPrivateKey instanceof ECKey) {
return ((ECKey)popPrivateKey).getParams();
} else if (popCerts != null && popCerts.length != 0) {
// The private key not extractable, get the parameters from
// the X.509 certificate.
PublicKey publicKey = popCerts[0].getPublicKey();
if (publicKey instanceof ECKey) {
return ((ECKey)publicKey).getParams();
}
}
return null;
}
}
static final class X509Credentials implements SSLCredentials {
final X509Certificate[] popCerts;
final PublicKey popPublicKey;
X509Credentials(PublicKey popPublicKey, X509Certificate[] popCerts) {
this.popCerts = popCerts;
this.popPublicKey = popPublicKey;
}
}
static final class X509PossessionGenerator
implements SSLPossessionGenerator {
final String[] keyTypes;
private X509PossessionGenerator(String[] keyTypes) {
this.keyTypes = keyTypes;
}
@Override
public SSLPossession createPossession(HandshakeContext context) {
if (context.sslConfig.isClientMode) {
for (String keyType : keyTypes) {
SSLPossession poss = createClientPossession(
(ClientHandshakeContext)context, keyType);
if (poss != null) {
return poss;
}
}
} else {
for (String keyType : keyTypes) {
SSLPossession poss = createServerPossession(
(ServerHandshakeContext)context, keyType);
if (poss != null) {
return poss;
}
}
}
return null;
}
// Used by TLS 1.2 and TLS 1.3.
private SSLPossession createClientPossession(
ClientHandshakeContext chc, String keyType) {
X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager();
String clientAlias = null;
if (chc.conContext.transport instanceof SSLSocketImpl) {
clientAlias = km.chooseClientAlias(
new String[] { keyType },
chc.peerSupportedAuthorities == null ? null :
chc.peerSupportedAuthorities.clone(),
(SSLSocket)chc.conContext.transport);
} else if (chc.conContext.transport instanceof SSLEngineImpl) {
clientAlias = km.chooseEngineClientAlias(
new String[] { keyType },
chc.peerSupportedAuthorities == null ? null :
chc.peerSupportedAuthorities.clone(),
(SSLEngine)chc.conContext.transport);
}
if (clientAlias == null) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest("No X.509 cert selected for " + keyType);
}
return null;
}
PrivateKey clientPrivateKey = km.getPrivateKey(clientAlias);
if (clientPrivateKey == null) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest(
clientAlias + " is not a private key entry");
}
return null;
}
X509Certificate[] clientCerts = km.getCertificateChain(clientAlias);
if ((clientCerts == null) || (clientCerts.length == 0)) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest(clientAlias +
" is a private key entry with no cert chain stored");
}
return null;
}
PublicKey clientPublicKey = clientCerts[0].getPublicKey();
if ((!GMConstants.SM2.equals(keyType)) && ((!clientPrivateKey.getAlgorithm().equals(keyType))
|| (!clientPublicKey.getAlgorithm().equals(keyType)))) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.fine(
clientAlias + " private or public key is not of " +
keyType + " algorithm");
}
return null;
}
return new X509Possession(clientPrivateKey, clientCerts);
}
private SSLPossession createServerPossession(
ServerHandshakeContext shc, String keyType) {
X509ExtendedKeyManager km = shc.sslContext.getX509KeyManager();
String serverAlias = null;
if (shc.conContext.transport instanceof SSLSocketImpl) {
serverAlias = km.chooseServerAlias(keyType,
shc.peerSupportedAuthorities == null ? null :
shc.peerSupportedAuthorities.clone(),
(SSLSocket)shc.conContext.transport);
} else if (shc.conContext.transport instanceof SSLEngineImpl) {
serverAlias = km.chooseEngineServerAlias(keyType,
shc.peerSupportedAuthorities == null ? null :
shc.peerSupportedAuthorities.clone(),
(SSLEngine)shc.conContext.transport);
}
if (serverAlias == null) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest("No X.509 cert selected for " + keyType);
}
return null;
}
PrivateKey serverPrivateKey = km.getPrivateKey(serverAlias);
if (serverPrivateKey == null) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest(
serverAlias + " is not a private key entry");
}
return null;
}
X509Certificate[] serverCerts = km.getCertificateChain(serverAlias);
if ((serverCerts == null) || (serverCerts.length == 0)) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.finest(
serverAlias + " is not a certificate entry");
}
return null;
}
PublicKey serverPublicKey = serverCerts[0].getPublicKey();
if ((!GMConstants.SM2.equals(keyType)) && ((!serverPrivateKey.getAlgorithm().equals(keyType))
|| (!serverPublicKey.getAlgorithm().equals(keyType)))) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.fine(
serverAlias + " private or public key is not of " +
keyType + " algorithm");
}
return null;
}
// For TLS 1.2 and prior versions, the public key of a EC cert
// MUST use a curve and point format supported by the client.
// But for TLS 1.3, signature algorithms are negotiated
// independently via the "signature_algorithms" extension.
if (!shc.negotiatedProtocol.useTLS13PlusSpec() &&
keyType.equals("EC")) {
if (!(serverPublicKey instanceof ECPublicKey)) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.warning(serverAlias +
" public key is not an instance of ECPublicKey");
}
return null;
}
// For ECC certs, check whether we support the EC domain
// parameters. If the client sent a supported_groups
// ClientHello extension, check against that too for
// TLS 1.2 and prior versions.
ECParameterSpec params =
((ECPublicKey)serverPublicKey).getParams();
NamedGroup namedGroup = NamedGroup.valueOf(params);
if ((namedGroup == null) ||
(!SupportedGroups.isSupported(namedGroup)) ||
((shc.clientRequestedNamedGroups != null) &&
!shc.clientRequestedNamedGroups.contains(namedGroup))) {
if (SSLLogger.isOn && SSLLogger.isOn("ssl")) {
SSLLogger.warning(
"Unsupported named group (" + namedGroup +
") used in the " + serverAlias + " certificate");
}
return null;
}
}
return new X509Possession(serverPrivateKey, serverCerts);
}
}
}
