From: Roy Marples <roy@marples.name>
Date: Fri, 10 Mar 2017 08:37:04 +0000 (+0000)
Subject: We're no longer interested in Unicast Poll.
X-Git-Tag: v7.0.0-beta1~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=826772b9bae5c2a79e002bfc80ce7a6570b2a173;p=thirdparty%2Fdhcpcd.git

We're no longer interested in Unicast Poll.
---

diff --git a/arp.c b/arp.c
index 9c0e3ade..63cb7cf8 100644
--- a/arp.c
+++ b/arp.c
@@ -162,21 +162,6 @@ arp_packet(struct interface *ifp, uint8_t *data, size_t len)
 	memcpy(&arm.tha, hw_t, ar.ar_hln);
 	memcpy(&arm.tip.s_addr, hw_t + ar.ar_hln, ar.ar_pln);
 
-	/* Ignore ARP Unicast Poll, RFC 1122 */
-	if (arm.sip.s_addr == INADDR_ANY &&
-	    (arm.tha[0] != 0 ||
-	    memcmp(arm.tha, arm.tha + 1, (size_t)ar.ar_hln - 1)))
-	{
-#ifdef ARP_DEBUG
-		char buf[HWADDR_LEN * 3];
-
-		logger(ifp->ctx, LOG_DEBUG,
-		    "%s: ignoring ARP Unicast Poll from %s", ifp->name,
-		    hwaddr_ntoa(arm.tha, ar.ar_hln, buf, sizeof(buf)));
-#endif
-		return;
-	}
-
 	/* Run the conflicts */
 	state = ARP_CSTATE(ifp);
 	TAILQ_FOREACH_SAFE(astate, &state->arp_states, next, astaten) {