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Do not allow interdependent recursive routes.

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This commit is contained in:
Ondrej Zajicek 2010-08-03 08:26:47 +02:00
parent f428631cd6
commit 2c9033afd5
1 changed files with 10 additions and 1 deletions
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11
nest/rt-table.c
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@ -1509,7 +1509,16 @@ rt_update_hostentry(rtable *tab, struct hostentry *he)
rta *a = n->routes->attrs; rta *a = n->routes->attrs;
pxlen = n->n.pxlen; pxlen = n->n.pxlen;
if (a->dest == RTD_DEVICE) if (a->hostentry)
{
/* Recursive route should not depend on another recursive route */
log(L_WARN "Next hop address %I resolvable through recursive route for %I/%d",
he->addr, n->n.prefix, n->n.pxlen);
he->iface = NULL;
he->gw = IPA_NONE;
he->dest = RTD_UNREACHABLE;
}
else if (a->dest == RTD_DEVICE)
{ {
if (if_local_addr(he->addr, a->iface)) if (if_local_addr(he->addr, a->iface))
{ {