ITS#6419

[openldap] / libraries / liblutil / base64.c

diff --git a/libraries/liblutil/base64.c b/libraries/liblutil/base64.c
index 6f4b88fe8d985c779261c44955c727b690d9c5c7..e59dc8d9ee0b1cb5fabce5bdd948170ead7c72d4 100644 (file)
--- a/libraries/liblutil/base64.c
+++ b/libraries/liblutil/base64.c
@@ -1,9 +1,21 @@
-/*
- * Modified by Kurt D. Zeilenga for inclusion into OpenLDAP
+/* base64.c -- routines to encode/decode base64 data */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2009 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * Portions Copyright 1995 IBM Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
-
-/*
- * Copyright (c) 1996, 1998 by Internet Software Consortium.
+/* Portions Copyright (c) 1996, 1998 by Internet Software Consortium.
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -18,37 +30,16 @@
  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  * SOFTWARE.
  */
-
-/*
- * Portions Copyright (c) 1995 by International Business Machines, Inc.
- *
- * International Business Machines, Inc. (hereinafter called IBM) grants
- * permission under its copyrights to use, copy, modify, and distribute this
- * Software with or without fee, provided that the above copyright notice and
- * all paragraphs of this notice appear in all copies, and that the name of IBM
- * not be used in connection with the marketing of any product incorporating
- * the Software or modifications thereof, without specific, written prior
- * permission.
- *
- * To the extent it has a right to do so, IBM grants an immunity from suit
- * under its patents, if any, for the use, sale or manufacture of products to
- * the extent that such products are used for performing Domain Name System
- * dynamic updates in TCP/IP networks by means of the Software.  No immunity is
- * granted for any product per se or for any other function of any product.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE.  IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
- * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
- * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
+/* This work is based upon Base64 routines (developed by IBM) found
+ * Berkeley Internet Name Daemon (BIND) as distributed by ISC.  They
+ * were adapted for inclusion in OpenLDAP Software by Kurt D. Zeilenga.
  */
 
 #include "portable.h"
 
-#include <stdlib.h>
-#include <stddef.h>
-
+#include <ac/assert.h>
+#include <ac/stdlib.h>
+#include <ac/ctype.h>
 #include <ac/string.h>
 
 /* include socket.h to get sys/types.h and/or winsock2.h */
@@ -56,8 +47,6 @@
 
 #include "lutil.h"
 
-#define Assert(Cond) if (!(Cond)) abort()
-
 static const char Base64[] =
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 static const char Pad64 = '=';
@@ -126,7 +115,7 @@ static const char Pad64 = '=';
    */
 
 int
-b64_ntop(
+lutil_b64_ntop(
        u_char const *src,
        size_t srclength,
        char *target,
@@ -147,10 +136,10 @@ b64_ntop(
                output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
                output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
                output[3] = input[2] & 0x3f;
-               Assert(output[0] < 64);
-               Assert(output[1] < 64);
-               Assert(output[2] < 64);
-               Assert(output[3] < 64);
+               assert(output[0] < 64);
+               assert(output[1] < 64);
+               assert(output[2] < 64);
+               assert(output[3] < 64);
 
                if (datalength + 4 > targsize)
                        return (-1);
@@ -170,9 +159,9 @@ b64_ntop(
                output[0] = input[0] >> 2;
                output[1] = ((input[0] & 0x03) << 4) + (input[1] >> 4);
                output[2] = ((input[1] & 0x0f) << 2) + (input[2] >> 6);
-               Assert(output[0] < 64);
-               Assert(output[1] < 64);
-               Assert(output[2] < 64);
+               assert(output[0] < 64);
+               assert(output[1] < 64);
+               assert(output[2] < 64);
 
                if (datalength + 4 > targsize)
                        return (-1);
@@ -197,7 +186,7 @@ b64_ntop(
  */
 
 int
-b64_pton(
+lutil_b64_pton(
        char const *src,
        u_char *target, 
        size_t targsize)
@@ -209,7 +198,7 @@ b64_pton(
        tarindex = 0;
 
        while ((ch = *src++) != '\0') {
-               if (isspace(ch))        /* Skip whitespace anywhere. */
+               if (isascii(ch) && isspace(ch)) /* Skip whitespace anywhere. */
                        continue;
 
                if (ch == Pad64)
@@ -279,7 +268,7 @@ b64_pton(
                case 2:         /* Valid, means one byte of info */
                        /* Skip any number of spaces. */
                        for ((void)NULL; ch != '\0'; ch = *src++)
-                               if (!isspace(ch))
+                               if (! (isascii(ch) && isspace(ch)))
                                        break;
                        /* Make sure there is another trailing = sign. */
                        if (ch != Pad64)
@@ -294,7 +283,7 @@ b64_pton(
                         * whitespace after it?
                         */
                        for ((void)NULL; ch != '\0'; ch = *src++)
-                               if (!isspace(ch))
+                               if (! (isascii(ch) && isspace(ch)))
                                        return (-1);
 
                        /*