feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/security/provider/certpath/AdaptableX509CertSelector.java

@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2011, 2015, 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.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.provider.certpath;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.cert.Certificate;
+import java.security.cert.X509Certificate;
+import java.security.cert.X509CertSelector;
+import java.security.cert.CertificateException;
+import java.util.Arrays;
+import java.util.Date;
+
+import sun.security.util.Debug;
+import sun.security.util.DerInputStream;
+import sun.security.x509.SerialNumber;
+import sun.security.x509.AuthorityKeyIdentifierExtension;
+
+/**
+ * An adaptable X509 certificate selector for forward certification path
+ * building. This selector overrides the default X509CertSelector matching
+ * rules for the subjectKeyIdentifier and serialNumber criteria, and adds
+ * additional rules for certificate validity.
+ *
+ * @since 1.7
+ */
+class AdaptableX509CertSelector extends X509CertSelector {
+
+    private static final Debug debug = Debug.getInstance("certpath");
+
+    // The start date of a validity period.
+    private Date startDate;
+
+    // The end date of a validity period.
+    private Date endDate;
+
+    // The subject key identifier
+    private byte[] ski;
+
+    // The serial number
+    private BigInteger serial;
+
+    /**
+     * Sets the criterion of the X509Certificate validity period.
+     *
+     * Normally, we may not have to check that a certificate validity period
+     * must fall within its issuer's certificate validity period. However,
+     * when we face root CA key updates for version 1 certificates, according
+     * to scheme of RFC 4210 or 2510, the validity periods should be checked
+     * to determine the right issuer's certificate.
+     *
+     * Conservatively, we will only check the validity periods for version
+     * 1 and version 2 certificates. For version 3 certificates, we can
+     * determine the right issuer by authority and subject key identifier
+     * extensions.
+     *
+     * @param startDate the start date of a validity period that must fall
+     *        within the certificate validity period for the X509Certificate
+     * @param endDate the end date of a validity period that must fall
+     *        within the certificate validity period for the X509Certificate
+     */
+    void setValidityPeriod(Date startDate, Date endDate) {
+        this.startDate = startDate;
+        this.endDate = endDate;
+    }
+
+    /**
+     * This selector overrides the subjectKeyIdentifier matching rules of
+     * X509CertSelector, so it throws IllegalArgumentException if this method
+     * is ever called.
+     */
+    @Override
+    public void setSubjectKeyIdentifier(byte[] subjectKeyID) {
+        throw new IllegalArgumentException();
+    }
+
+    /**
+     * This selector overrides the serialNumber matching rules of
+     * X509CertSelector, so it throws IllegalArgumentException if this method
+     * is ever called.
+     */
+    @Override
+    public void setSerialNumber(BigInteger serial) {
+        throw new IllegalArgumentException();
+    }
+
+    /**
+     * Sets the subjectKeyIdentifier and serialNumber criteria from the
+     * authority key identifier extension.
+     *
+     * The subjectKeyIdentifier criterion is set to the keyIdentifier field
+     * of the extension, or null if it is empty. The serialNumber criterion
+     * is set to the authorityCertSerialNumber field, or null if it is empty.
+     *
+     * Note that we do not set the subject criterion to the
+     * authorityCertIssuer field of the extension. The caller MUST set
+     * the subject criterion before calling match().
+     *
+     * @param ext the authorityKeyIdentifier extension
+     * @throws IOException if there is an error parsing the extension
+     */
+    void setSkiAndSerialNumber(AuthorityKeyIdentifierExtension ext)
+        throws IOException {
+
+        ski = null;
+        serial = null;
+
+        if (ext != null) {
+            ski = ext.getEncodedKeyIdentifier();
+            SerialNumber asn = (SerialNumber)ext.get(
+                AuthorityKeyIdentifierExtension.SERIAL_NUMBER);
+            if (asn != null) {
+                serial = asn.getNumber();
+            }
+            // the subject criterion should be set by the caller
+        }
+    }
+
+    /**
+     * Decides whether a <code>Certificate</code> should be selected.
+     *
+     * This method overrides the matching rules for the subjectKeyIdentifier
+     * and serialNumber criteria and adds additional rules for certificate
+     * validity.
+     *
+     * For the purpose of compatibility, when a certificate is of
+     * version 1 and version 2, or the certificate does not include
+     * a subject key identifier extension, the selection criterion
+     * of subjectKeyIdentifier will be disabled.
+     */
+    @Override
+    public boolean match(Certificate cert) {
+        X509Certificate xcert = (X509Certificate)cert;
+
+        // match subject key identifier
+        if (!matchSubjectKeyID(xcert)) {
+            return false;
+        }
+
+        // In practice, a CA may replace its root certificate and require that
+        // the existing certificate is still valid, even if the AKID extension
+        // does not match the replacement root certificate fields.
+        //
+        // Conservatively, we only support the replacement for version 1 and
+        // version 2 certificate. As for version 3, the certificate extension
+        // may contain sensitive information (for example, policies), the
+        // AKID need to be respected to seek the exact certificate in case
+        // of key or certificate abuse.
+        int version = xcert.getVersion();
+        if (serial != null && version > 2) {
+            if (!serial.equals(xcert.getSerialNumber())) {
+                return false;
+            }
+        }
+
+        // Check the validity period for version 1 and 2 certificate.
+        if (version < 3) {
+            if (startDate != null) {
+                try {
+                    xcert.checkValidity(startDate);
+                } catch (CertificateException ce) {
+                    return false;
+                }
+            }
+            if (endDate != null) {
+                try {
+                    xcert.checkValidity(endDate);
+                } catch (CertificateException ce) {
+                    return false;
+                }
+            }
+        }
+
+
+        if (!super.match(cert)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /*
+     * Match on subject key identifier extension value. These matching rules
+     * are identical to X509CertSelector except that if the certificate does
+     * not have a subject key identifier extension, it returns true.
+     */
+    private boolean matchSubjectKeyID(X509Certificate xcert) {
+        if (ski == null) {
+            return true;
+        }
+        try {
+            byte[] extVal = xcert.getExtensionValue("2.5.29.14");
+            if (extVal == null) {
+                if (debug != null) {
+                    debug.println("AdaptableX509CertSelector.match: "
+                        + "no subject key ID extension. Subject: "
+                        + xcert.getSubjectX500Principal());
+                }
+                return true;
+            }
+            DerInputStream in = new DerInputStream(extVal);
+            byte[] certSubjectKeyID = in.getOctetString();
+            if (certSubjectKeyID == null ||
+                    !Arrays.equals(ski, certSubjectKeyID)) {
+                if (debug != null) {
+                    debug.println("AdaptableX509CertSelector.match: "
+                        + "subject key IDs don't match. "
+                        + "Expected: " + Arrays.toString(ski) + " "
+                        + "Cert's: " + Arrays.toString(certSubjectKeyID));
+                }
+                return false;
+            }
+        } catch (IOException ex) {
+            if (debug != null) {
+                debug.println("AdaptableX509CertSelector.match: "
+                    + "exception in subject key ID check");
+            }
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public Object clone() {
+        AdaptableX509CertSelector copy =
+                        (AdaptableX509CertSelector)super.clone();
+        if (startDate != null) {
+            copy.startDate = (Date)startDate.clone();
+        }
+
+        if (endDate != null) {
+            copy.endDate = (Date)endDate.clone();
+        }
+
+        if (ski != null) {
+            copy.ski = ski.clone();
+        }
+        return copy;
+    }
+}