pppd: Fix SIGSEGV in EAP-TLS code when TLS verify method is not specified

[ppp.git] / modules / ppp_ahdlc.c

diff --git a/modules/ppp_ahdlc.c b/modules/ppp_ahdlc.c
index 1be0692bac019884f0e636d7d47c03ebb935b395..68e090785782c888a3395e3a90274015b26d8cec 100644 (file)
--- a/modules/ppp_ahdlc.c
+++ b/modules/ppp_ahdlc.c
@@ -18,21 +18,36 @@
  * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
  * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
  *
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994 Paul Mackerras. All rights reserved.
  *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies.  This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
  *
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The name(s) of the authors of this software must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission.
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by Paul Mackerras
+ *     <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
@@ -40,8 +55,6 @@
  * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
- *
- * $Id: ppp_ahdlc.c,v 1.17 2002/09/18 02:14:10 carlsonj Exp $
  */
 
 /*
@@ -92,11 +105,11 @@ typedef unsigned int            uintpointer_t;
 
 MOD_OPEN_DECL(ahdlc_open);
 MOD_CLOSE_DECL(ahdlc_close);
-static int ahdlc_wput __P((queue_t *, mblk_t *));
-static int ahdlc_rput __P((queue_t *, mblk_t *));
-static void ahdlc_encode __P((queue_t *, mblk_t *));
-static void ahdlc_decode __P((queue_t *, mblk_t *));
-static int msg_byte __P((mblk_t *, unsigned int));
+static int ahdlc_wput(queue_t *, mblk_t *);
+static int ahdlc_rput(queue_t *, mblk_t *);
+static void ahdlc_encode(queue_t *, mblk_t *);
+static void ahdlc_decode(queue_t *, mblk_t *);
+static int msg_byte(mblk_t *, unsigned int);
 
 #if defined(SOL2)
 /*