1 files changed, 97 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/util/ByteToCharUniversalString.java b/pki/base/util/src/netscape/security/util/ByteToCharUniversalString.java
new file mode 100644
index 000000000..57b678dd8
--- /dev/null
+++ b/pki/base/util/src/netscape/security/util/ByteToCharUniversalString.java
@@ -0,0 +1,97 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// This program 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; version 2 of the License.
+//
+// This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package netscape.security.util;
+
+import sun.io.*;
+
+/**
+ * Converts bytes in ASN.1 UniversalString character set to unicode
+ * characters.
+ *
+ * @author Lily Hsiao
+ * @author Slava Galperin
+ */
+
+public class ByteToCharUniversalString extends ByteToCharConverter
+{
+    public String getCharacterEncoding() {
+	return "ASN.1 UniversalString";
+    }
+
+    public int convert(byte[] input, int inStart, int inEnd,
+		       char[] output, int outStart, int outEnd)
+	throws ConversionBufferFullException,
+		UnknownCharacterException
+    {
+	int j = outStart;
+
+
+	int i = inStart;
+	while(i < inEnd) {
+	    // XXX we do not know what to do with truly UCS-4 characters here
+	    // we also assumed network byte order
+
+        if ( i+3 >= inEnd || 
+				(!((input[i] == 0 && input[i+1] == 0) ||
+				(input[i+2] == 0 && input[i+3] == 0)))) {
+    		byteOff = i;
+	    	charOff = j;
+		    throw new UnknownCharacterException();
+	    }
+		if (input[i+2] == 0 && input[i+3] == 0) {
+			// Try to be a bit forgiving. If the byte order is
+			// reversed, we still try handle it.
+
+			// Sample Date Set (1):
+			// 0000000   f   0  \0  \0 213   0  \0  \0   S   0  \0  \0
+			// 0000014
+
+			// Sample Date Set (2):
+			// 0000000   w  \0  \0  \0   w  \0  \0  \0   w  \0  \0  \0   .  \0  \0  \0
+			// 0000020   (  \0  \0  \0   t  \0  \0  \0   o  \0  \0  \0   b  \0  \0  \0
+			// 0000040   e  \0  \0  \0   |  \0  \0  \0   n  \0  \0  \0   o  \0  \0  \0
+			// 0000060   t  \0  \0  \0   t  \0  \0  \0   o  \0  \0  \0   b  \0  \0  \0
+			// 0000100   e  \0  \0  \0   )  \0  \0  \0   .  \0  \0  \0   c  \0  \0  \0
+			// 0000120   o  \0  \0  \0   m  \0  \0  \0
+			// 0000130
+		    output[j] = (char)(((input[i+1] << 8)& 0xff00) + (input[i] & 0x00ff));
+		} else { 
+			// This should be the right order.
+			//
+			// 0000000 0000 00c4 0000 0064 0000 006d 0000 0069
+			// 0000020 0000 006e 0000 0020 0000 0051 0000 0041
+			// 0000040
+
+			// (input[i] == 0 && input[i+1] == 0)
+		    output[j] = (char)(((input[i+2] << 8)& 0xff00) + (input[i+3] & 0x00ff));
+		}
+	    j++;
+	    i += 4;
+	}
+	byteOff = inEnd;
+	charOff = j;
+	return j - outStart;
+    }
+
+    public int flush(char[] output, int outStart, int outEnd) {
+	return 0;
+    }
+
+    public void reset() { }
+
+}