# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
# 
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# Please add additional copyright information _after_ the line containing
# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
# 
# ROCK Linux: rock-src/package/tsa/zebra/10zebra-0.93b-ospfd-md5-buffer.patch
# ROCK Linux is Copyright (C) 1998 - 2003 Clifford Wolf
# 
# 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; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
# 
# Many people helped and are helping developing ROCK Linux. Please
# have a look at http://www.rocklinux.org/ and the Documentation/TEAM
# file for details.
# 
# --- ROCK-COPYRIGHT-NOTE-END ---

--- ./ospfd/ospf_packet.c.orig	Mon Aug 12 08:49:16 2002
+++ ./ospfd/ospf_packet.c	Fri Oct 11 12:28:36 2002
@@ -226,7 +226,13 @@
 {
   struct ospf_packet *new;
 
-  new = ospf_packet_new (op->length);
+  if (stream_get_endp(op->s) != op->length) {
+    zlog_warn ("ospf_packet_dup stream %d ospf_packet %d size mismatch",
+	       STREAM_SIZE(op->s), op->length);
+  }
+
+  /* Reserve space for MD5 authentication that may be added later. */
+  new = ospf_packet_new (stream_get_endp(op->s) + OSPF_AUTH_MD5_SIZE);
   ospf_stream_copy (new->s, op->s);
 
   new->dst = op->dst;
@@ -341,7 +347,12 @@
   stream_set_putp (op->s, oldputp);
 
   /* We do *NOT* increment the OSPF header length. */
-  op->length += OSPF_AUTH_MD5_SIZE;
+  op->length = ntohs (ospfh->length) + OSPF_AUTH_MD5_SIZE;
+
+  if (stream_get_endp(op->s) != op->length) {
+    zlog_warn("ospf_make_md5_digest: length mismatch stream %d ospf_packet %d",
+	      stream_get_endp(op->s), op->length);
+  }
 
   return OSPF_AUTH_MD5_SIZE;
 }