From: Hans Dedecker <dedeckeh@gmail.com>
Date: Sun, 23 Sep 2018 17:06:08 +0000 (+0200)
Subject: router: don't leak RA message in relay mode (FS#1853)
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ee7472a7df014028ffcac3e0da05d979380aec4a;p=project%2Fodhcpd.git

router: don't leak RA message in relay mode (FS#1853)

In relay mode don't send RA message with router lifetime equal to 0 when
interface gets disabled as router

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
---

diff --git a/src/router.c b/src/router.c
index 8e3013c..70f9462 100644
--- a/src/router.c
+++ b/src/router.c
@@ -172,7 +172,7 @@ int router_setup_interface(struct interface *iface, bool enable)
 			&mreq, sizeof(mreq));
 
 	if (!enable) {
-		if (iface->ra)
+		if (iface->ra == MODE_SERVER || (iface->ra == MODE_RELAY && !iface->master))
 			trigger_router_advert(&iface->timer_rs);
 	} else {
 		if (iface->ra == MODE_RELAY && iface->master) {