$OpenBSD: patch-src_attack_c,v 1.1 2010/10/26 10:44:53 steven Exp $
--- src/attack.c.orig	Tue Oct 26 12:04:42 2010
+++ src/attack.c	Tue Oct 26 12:13:45 2010
@@ -248,8 +248,12 @@ attacks->attack_th.id);
 void
 attack_gen_mac(u_int8_t *mac)
 {
-    *((in_addr_t *)mac) = libnet_get_prand(LIBNET_PRu32);
-    *((u_int16_t *)(mac + 4)) = libnet_get_prand(LIBNET_PRu16);
+    u_int32_t tmp1;
+    u_int16_t tmp2;
+    tmp1 = libnet_get_prand(LIBNET_PRu32);
+    memcpy(mac, &tmp1, sizeof(tmp1));
+    tmp2 = libnet_get_prand(LIBNET_PRu16);
+    memcpy(mac + 4, &tmp2, sizeof(tmp2));
 }