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-rw-r--r--ldap/c-sdk/libldap/unescape.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/ldap/c-sdk/libldap/unescape.c b/ldap/c-sdk/libldap/unescape.c
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+++ b/ldap/c-sdk/libldap/unescape.c
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+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * LIBLDAP unescape.c -- LDAP URL un-escape routines
+ * We also tolerate URLs that look like: <ldapurl> and <URL:ldapurl>
+ */
+
+#include "ldap-int.h"
+
+
+static int unhex( char c );
+
+
+void
+nsldapi_hex_unescape( char *s )
+{
+/*
+ * Remove URL hex escapes from s... done in place. The basic concept for
+ * this routine is borrowed from the WWW library HTUnEscape() routine.
+ */
+ char *p;
+
+ for ( p = s; *s != '\0'; ++s ) {
+ if ( *s == '%' ) {
+ if ( *++s == '\0' ) {
+ break;
+ }
+ *p = unhex( *s ) << 4;
+ if ( *++s == '\0' ) {
+ break;
+ }
+ *p++ += unhex( *s );
+
+ } else {
+ *p++ = *s;
+ }
+ }
+
+ *p = '\0';
+}
+
+
+static int
+unhex( char c )
+{
+ return( c >= '0' && c <= '9' ? c - '0'
+ : c >= 'A' && c <= 'F' ? c - 'A' + 10
+ : c - 'a' + 10 );
+}