Add destination IP to MAC, reduces difference to ping(8).

diff --git a/sbin/ping6/ping6.c b/sbin/ping6/ping6.c
index 4cf44ad..4f5b5ed 100644 (file)
--- a/sbin/ping6/ping6.c
+++ b/sbin/ping6/ping6.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ping6.c,v 1.146 2016/03/03 18:30:48 florian Exp $     */
+/*     $OpenBSD: ping6.c,v 1.147 2016/08/30 11:15:16 florian Exp $     */
 /*     $KAME: ping6.c,v 1.163 2002/10/25 02:19:06 itojun Exp $ */
 
 /*
@@ -814,6 +814,7 @@ pinger(void)
                SipHash24_Update(&ctx, &ident, sizeof(ident));
                SipHash24_Update(&ctx,
                    &icp->icmp6_seq, sizeof(icp->icmp6_seq));
+               SipHash24_Update(&ctx, &dst.sin6_addr, sizeof(dst.sin6_addr));
                SipHash24_Final(&payload.mac, &ctx);
 
                memcpy(&outpack[ICMP6ECHOLEN],
@@ -920,6 +921,8 @@ pr_pack(u_char *buf, int cc, struct msghdr *mhdr)
                        SipHash24_Update(&ctx, &ident, sizeof(ident));
                        SipHash24_Update(&ctx,
                            &icp->icmp6_seq, sizeof(icp->icmp6_seq));
+                       SipHash24_Update(&ctx, &dst.sin6_addr,
+                           sizeof(dst.sin6_addr));
                        SipHash24_Final(mac, &ctx);
 
                        if (timingsafe_memcmp(mac, &payload.mac,