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If we receive a RA with a lifetime of 0, just expire it right away

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and continue.
This commit is contained in:
Roy Marples 2012-10-31 12:34:27 +00:00
parent d2ff06a35f
commit 7c3772a868
1 changed files with 11 additions and 1 deletions
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12
ipv6rs.c
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@ -453,6 +453,17 @@ ipv6rs_handledata(_unused void *arg)
break;
}
nd_ra = (struct nd_router_advert *)icp;
/* If the lifetime of the router is zero, just expire it
* if we already have it and move on. */
if (nd_ra->nd_ra_router_lifetime == 0) {
if (rap) {
rap->lifetime = 0;
ipv6rs_expire(ifp);
}
return;
}
/* We don't want to spam the log with the fact we got an RA every
* 30 seconds or so, so only spam the log if it's different. */
if (options & DHCPCD_DEBUG || rap == NULL ||
@ -490,7 +501,6 @@ ipv6rs_handledata(_unused void *arg)
}
get_monotonic(&rap->received);
nd_ra = (struct nd_router_advert *)icp;
rap->flags = nd_ra->nd_ra_flags_reserved;
rap->lifetime = ntohs(nd_ra->nd_ra_router_lifetime);
if (nd_ra->nd_ra_reachable) {