Imported GNU Classpath 0.90

       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111942 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 225 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/javax/crypto/sasl/OutputBuffer.java b/libjava/classpath/gnu/javax/crypto/sasl/OutputBuffer.java
new file mode 100644
index 00000000000..d219e7e9f0e
--- /dev/null
+++ b/libjava/classpath/gnu/javax/crypto/sasl/OutputBuffer.java
@@ -0,0 +1,225 @@
+/* OutputBuffer.java -- 
+   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.  */
+
+
+package gnu.javax.crypto.sasl;
+
+import gnu.java.security.Registry;
+import gnu.java.security.util.Util;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.math.BigInteger;
+
+/**
+ * <p>The implementation of an outgoing SASL buffer.</p>
+ *
+ * <p>The data elements this class caters for are described in [1].</p>
+ *
+ * <p>References:</p>
+ * <ol>
+ *    <li><a href="http://www.ietf.org/internet-drafts/draft-burdis-cat-srp-sasl-09.txt">
+ *    Secure Remote Password Authentication Mechanism</a>;<br/>
+ *    draft-burdis-cat-srp-sasl-09,<br/>
+ *    <a href="mailto:keith@rucus.ru.ac.za">Keith Burdis</a> and
+ *    <a href="mailto:raif@forge.com.au">Ra&iuml;f S. Naffah</a>.</li>
+ * </ol>
+ */
+public class OutputBuffer
+{
+
+  // Constants and variables
+  // -------------------------------------------------------------------------
+
+  /** The internal output stream. */
+  private ByteArrayOutputStream out;
+
+  // Constructor(s)
+  // -------------------------------------------------------------------------
+
+  public OutputBuffer()
+  {
+    super();
+
+    out = new ByteArrayOutputStream();
+  }
+
+  // Class methods
+  // -------------------------------------------------------------------------
+
+  // Instance methods
+  // -------------------------------------------------------------------------
+
+  /**
+   * <p>Encodes a SASL scalar quantity, <code>count</code>-octet long, to the
+   * current buffer.</p>
+   *
+   * @param count number of octets to encode <code>b</code> with.
+   * @param b the scalar quantity.
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   * @throws IOException if any other I/O exception occurs during the operation.
+   */
+  public void setScalar(int count, int b) throws IOException
+  {
+    if (count < 0 || count > 4)
+      {
+        throw new SaslEncodingException("Invalid SASL scalar octet count: "
+                                        + String.valueOf(count));
+      }
+    byte[] element = new byte[count];
+    for (int i = count; --i >= 0; b >>>= 8)
+      {
+        element[i] = (byte) b;
+      }
+    out.write(element);
+  }
+
+  /**
+   * <p>Encodes a SASL OS to the current buffer.</p>
+   *
+   * @param b the OS element.
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   * @throws IOException if any other I/O exception occurs during the operation.
+   */
+  public void setOS(byte[] b) throws IOException
+  {
+    final int length = b.length;
+    if (length > Registry.SASL_ONE_BYTE_MAX_LIMIT)
+      {
+        throw new SaslEncodingException("SASL octet-sequence too long");
+      }
+    out.write(length & 0xFF);
+    out.write(b);
+  }
+
+  /**
+   * <p>Encodes a SASL EOS to the current buffer.</p>
+   *
+   * @param b the EOS element.
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   * @throws IOException if any other I/O exception occurs during the operation.
+   */
+  public void setEOS(byte[] b) throws IOException
+  {
+    final int length = b.length;
+    if (length > Registry.SASL_TWO_BYTE_MAX_LIMIT)
+      {
+        throw new SaslEncodingException("SASL extended octet-sequence too long");
+      }
+    byte[] lengthBytes = { (byte) (length >>> 8), (byte) length };
+    out.write(lengthBytes);
+    out.write(b);
+  }
+
+  /**
+   * <p>Encodes a SASL MPI to the current buffer.</p>
+   *
+   * @param val the MPI element.
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   * @throws IOException if any other I/O exception occurs during the operation.
+   */
+  public void setMPI(BigInteger val) throws IOException
+  {
+    byte[] b = Util.trim(val);
+    final int length = b.length;
+    if (length > Registry.SASL_TWO_BYTE_MAX_LIMIT)
+      {
+        throw new SaslEncodingException("SASL multi-precision integer too long");
+      }
+    byte[] lengthBytes = { (byte) (length >>> 8), (byte) length };
+    out.write(lengthBytes);
+    out.write(b);
+  }
+
+  /**
+   * <p>Encodes a SASL Text to the current buffer.</p>
+   *
+   * @param str the Text element.
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   * @throws SaslEncodingException if the UTF-8 encoding is not supported on
+   * this platform.
+   * @throws IOException if any other I/O exception occurs during the operation.
+   */
+  public void setText(String str) throws IOException
+  {
+    byte[] b = str.getBytes("UTF8");
+    final int length = b.length;
+    if (length > Registry.SASL_TWO_BYTE_MAX_LIMIT)
+      {
+        throw new SaslEncodingException("SASL text too long");
+      }
+    byte[] lengthBytes = { (byte) (length >>> 8), (byte) length };
+    out.write(lengthBytes);
+    out.write(b);
+  }
+
+  /**
+   * <p>Returns the encoded form of the current buffer including the 4-byte
+   * length header.</p>
+   *
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   */
+  public byte[] encode() throws SaslEncodingException
+  {
+    byte[] buffer = wrap();
+    final int length = buffer.length;
+    byte[] result = new byte[length + 4];
+    result[0] = (byte) (length >>> 24);
+    result[1] = (byte) (length >>> 16);
+    result[2] = (byte) (length >>> 8);
+    result[3] = (byte) length;
+    System.arraycopy(buffer, 0, result, 4, length);
+
+    return result;
+  }
+
+  /**
+   * <p>Returns the encoded form of the current buffer excluding the 4-byte
+   * length header.</p>
+   *
+   * @throws SaslEncodingException if an encoding size constraint is violated.
+   */
+  public byte[] wrap() throws SaslEncodingException
+  {
+    final int length = out.size();
+    if (length > Registry.SASL_BUFFER_MAX_LIMIT || length < 0)
+      {
+        throw new SaslEncodingException("SASL buffer too long");
+      }
+    return out.toByteArray();
+  }
+}