xnu-1699.32.7.tar.gz

[apple/xnu.git] / bsd / netinet6 / esp_output.c

diff --git a/bsd/netinet6/esp_output.c b/bsd/netinet6/esp_output.c
index 21e449b7d2b2d33ea11063fcbab2896a54c240f7..8d16d2c623b0a024c8c6a79de57992ba933b6d0c 100644 (file)
--- a/bsd/netinet6/esp_output.c
+++ b/bsd/netinet6/esp_output.c
@@ -1,3 +1,31 @@
+/*
+ * Copyright (c) 2008 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
 /*     $FreeBSD: src/sys/netinet6/esp_output.c,v 1.1.2.3 2002/04/28 05:40:26 suz Exp $ */
 /*     $KAME: esp_output.c,v 1.44 2001/07/26 06:53:15 jinmei Exp $     */
 
@@ -176,10 +204,10 @@ estimate:
         *      esp_max_ivlen() = max ivlen for CBC mode
         *      17 = (maximum padding length without random padding length)
         *         + (Pad Length field) + (Next Header field).
-        *      16 = maximum ICV we support.
+        *      64 = maximum ICV we support.
         *  sizeof(struct udphdr) in case NAT traversal is used
         */
-       return sizeof(struct newesp) + esp_max_ivlen() + 17 + 16 + sizeof(struct udphdr);
+       return sizeof(struct newesp) + esp_max_ivlen() + 17 + AH_MAXSUMSIZE + sizeof(struct udphdr);
 }
 
 /*