From: provos <provos@openbsd.org>
Date: Fri, 28 Mar 1997 09:48:37 +0000 (+0000)
Subject: copy new iv only if existant
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=fd40703cec6a6b49678ccfececed2d16f3586d22;p=openbsd

copy new iv only if existant
---

diff --git a/sys/netinet/ip_espdesmd5.c b/sys/netinet/ip_espdesmd5.c
index 24e37899450..bf10750b2e3 100644
--- a/sys/netinet/ip_espdesmd5.c
+++ b/sys/netinet/ip_espdesmd5.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ip_espdesmd5.c,v 1.3 1997/02/26 20:53:18 deraadt Exp $	*/
+/*	$OpenBSD: ip_espdesmd5.c,v 1.4 1997/03/28 09:48:37 provos Exp $	*/
 
 /*
  * The author of this code is John Ioannidis, ji@tla.org,
@@ -713,7 +713,8 @@ espdesmd5_output(struct mbuf *m, struct sockaddr_encap *gw, struct tdb *tdb, str
 	  printf("espdesmd5_output: almost done now\n");
 #endif
 
-	bcopy(iv, xd->edx_iv, ESPDESMD5_IVS); /* New IV */
+	if (xd->edx_ivlen)
+  	  bcopy(iv, xd->edx_iv, ESPDESMD5_IVS); /* New IV */
 
 	/* Fix the length and the next protocol, copy back and off we go */
 	ipo.ip_len = htons(sizeof (struct ip) + ohlen + rlen + padding +