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-rw-r--r--sysdep/linux/netlink/netlink.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/sysdep/linux/netlink/netlink.c b/sysdep/linux/netlink/netlink.c
index 6cfb0ba..f45fe15 100644
--- a/sysdep/linux/netlink/netlink.c
+++ b/sysdep/linux/netlink/netlink.c
@@ -691,18 +691,34 @@ nl_parse_route(struct nlmsghdr *h, int scan)
ra.dest = RTD_ROUTER;
memcpy(&ra.gw, RTA_DATA(a[RTA_GATEWAY]), sizeof(ra.gw));
ipa_ntoh(ra.gw);
- ng = neigh_find2(&p->p, &ra.gw, ifa, 0);
- if (ng && ng->scope)
- {
- if (ng->iface != ifa)
- log(L_WARN "KRT: Route with unexpected iface for %I/%d", net->n.prefix, net->n.pxlen);
- ra.iface = ng->iface;
- }
+
+ if (i->rtm_flags & RTNH_F_ONLINK)
+ {
+ /* route with 'onlink' attribute */
+ ra.iface = if_find_by_index(oif);
+ if (ra.iface == NULL)
+ {
+ log(L_WARN "Kernel told us to use unknown interface %u for %I/%d",
+ oif, net->n.prefix, net->n.pxlen);
+ return;
+ }
+ }
else
- {
- log(L_WARN "Kernel told us to use non-neighbor %I for %I/%d", ra.gw, net->n.prefix, net->n.pxlen);
- return;
- }
+ {
+ ng = neigh_find2(&p->p, &ra.gw, ifa, 0);
+ if (ng && ng->scope)
+ {
+ if (ng->iface != ifa)
+ log(L_WARN "KRT: Route with unexpected iface for %I/%d", net->n.prefix, net->n.pxlen);
+ ra.iface = ng->iface;
+ }
+ else
+ {
+ log(L_WARN "Kernel told us to use non-neighbor %I for %I/%d", ra.gw, net->n.prefix, net->n.pxlen);
+ return;
+ }
+
+ }
}
else
{