X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Froute.c;h=68a66492966d966c6b1f4c004e1676c2dd75f9ea;hp=70c5806b28c83343e0406add00f395dd2b56cfe4;hb=bdd84660c756437cf3bc8f64adf612055acc84ea;hpb=684bd659ae0c6ca623422851c245188037658698

diff --git a/src/route.c b/src/route.c
index 70c5806b..68a66492 100644
--- a/src/route.c
+++ b/src/route.c
@@ -784,15 +784,13 @@ static void route_arp(node_t *source, vpn_packet_t *packet) {
 	if(subnet->owner == myself)
 		return;                                          /* silently ignore */
 
-	memcpy(DATA(packet), DATA(packet) + ETH_ALEN, ETH_ALEN); /* copy destination address */
-	DATA(packet)[ETH_ALEN * 2 - 1] ^= 0xFF;                  /* mangle source address so it looks like it's not from us */
-
 	memcpy(&addr, arp.arp_tpa, sizeof addr);                 /* save protocol addr */
 	memcpy(arp.arp_tpa, arp.arp_spa, sizeof addr);           /* swap destination and source protocol address */
 	memcpy(arp.arp_spa, &addr, sizeof addr);                 /* ... */
 
 	memcpy(arp.arp_tha, arp.arp_sha, ETH_ALEN);              /* set target hard/proto addr */
-	memcpy(arp.arp_sha, DATA(packet) + ETH_ALEN, ETH_ALEN);  /* add fake source hard addr */
+	memcpy(arp.arp_sha, DATA(packet) + ETH_ALEN, ETH_ALEN);  /* set source hard/proto addr */
+	arp.arp_sha[ETH_ALEN - 1] ^= 0xFF;                       /* for consistency with route_packet() */
 	arp.arp_op = htons(ARPOP_REPLY);
 
 	/* Copy structs on stack back to packet */