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

jdkSrc/jdk8/sun/security/krb5/internal/ktab/KeyTabInputStream.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2000, 2012, 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.
+ */
+
+/*
+ *
+ *  (C) Copyright IBM Corp. 1999 All Rights Reserved.
+ *  Copyright 1997 The Open Group Research Institute.  All rights reserved.
+ */
+
+package sun.security.krb5.internal.ktab;
+
+import sun.security.krb5.internal.*;
+import sun.security.krb5.PrincipalName;
+import sun.security.krb5.Realm;
+import sun.security.krb5.RealmException;
+import sun.security.krb5.internal.util.KrbDataInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * This class implements a buffered input stream. It is used for parsing key table
+ * data to memory.
+ *
+ * @author Yanni Zhang
+ *
+ */
+public class KeyTabInputStream extends KrbDataInputStream implements KeyTabConstants {
+
+    boolean DEBUG = Krb5.DEBUG;
+    int index;
+
+    public KeyTabInputStream(InputStream is) {
+        super(is);
+    }
+    /**
+     * Reads the number of bytes this entry data occupy.
+     */
+    int readEntryLength() throws IOException {
+        return read(4);
+    }
+
+
+    KeyTabEntry readEntry(int entryLen, int ktVersion) throws IOException, RealmException {
+        index = entryLen;
+        if (index == 0) {    //in native implementation, when the last entry is deleted, a byte 0 is left.
+            return null;
+        }
+        if (index < 0) {    //in native implementation, when one of the entries is deleted, the entry length turns to be negative, and
+            skip(Math.abs(index));                //the fields are left with 0 bytes
+            return null;
+        }
+        int principalNum = read(2);     //the number of service names.
+        index -= 2;
+        if (ktVersion == KRB5_KT_VNO_1) {   //V1 includes realm in the count.
+            principalNum -= 1;
+        }
+        Realm realm = new Realm(readName());
+        String[] nameParts = new String[principalNum];
+        for (int i = 0; i < principalNum; i++) {
+            nameParts[i] = readName();
+        }
+        int nameType = read(4);
+        index -= 4;
+        PrincipalName service = new PrincipalName(nameType, nameParts, realm);
+        KerberosTime timeStamp = readTimeStamp();
+
+        int keyVersion = read() & 0xff;
+        index -= 1;
+        int keyType = read(2);
+        index -= 2;
+        int keyLength = read(2);
+        index -= 2;
+        byte[] keyblock = readKey(keyLength);
+        index -= keyLength;
+        // There might be a 32 bit kvno here.
+        // If index is zero, assume that the 8 bit key version number was
+        // right, otherwise trust the new nonzero value.
+        if (index >= 4) {
+            int extKvno = read(4);
+            if (extKvno != 0) {
+                keyVersion = extKvno;
+            }
+            index -= 4;
+        }
+
+        // if index is negative, the keytab format must be wrong.
+        if (index < 0) {
+            throw new RealmException("Keytab is corrupted");
+        }
+
+        // ignore the left bytes.
+        skip(index);
+
+        return new KeyTabEntry(service, realm, timeStamp, keyVersion, keyType, keyblock);
+    }
+
+    byte[] readKey(int length) throws IOException {
+        byte[] bytes = new byte[length];
+        read(bytes, 0, length);
+        return bytes;
+    }
+
+    KerberosTime readTimeStamp() throws IOException {
+        index -= 4;
+        return new KerberosTime((long)read(4) * 1000);
+    }
+
+    String readName() throws IOException {
+        String name;
+        int length = read(2);   //length of the realm name or service name
+        index -= 2;
+        byte[] bytes = new byte[length];
+        read(bytes, 0, length);
+        index -= length;
+        name = new String(bytes);
+        if (DEBUG) {
+            System.out.println(">>> KeyTabInputStream, readName(): " + name);
+        }
+        return name;
+    }
+}