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-rw-r--r--nest/rt-table.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 4da6807..756141c 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -15,6 +15,7 @@
#include "nest/protocol.h"
#include "lib/resource.h"
#include "lib/event.h"
+#include "filter/filter.h"
rtable master_table;
static slab *rte_slab;
@@ -115,6 +116,20 @@ rte_better(rte *new, rte *old)
return 0;
}
+static inline void
+do_rte_announce(struct proto *p, net *net, rte *new, rte *old)
+{
+ if (p->out_filter)
+ {
+ if (old && f_run(p->out_filter, old, NULL) != F_ACCEPT)
+ old = NULL;
+ if (new && f_run(p->out_filter, new, NULL) != F_ACCEPT)
+ new = NULL;
+ }
+ if (new || old)
+ p->rt_notify(p, net, new, old);
+}
+
void
rte_announce(net *net, rte *new, rte *old)
{
@@ -124,7 +139,7 @@ rte_announce(net *net, rte *new, rte *old)
{
ASSERT(p->core_state == FS_HAPPY);
if (p->rt_notify)
- p->rt_notify(p, net, new, old);
+ do_rte_announce(p, net, new, old);
}
}
@@ -143,7 +158,7 @@ rt_feed_baby(struct proto *p)
net *n = (net *) fn;
rte *e;
for(e=n->routes; e; e=e->next)
- p->rt_notify(p, n, e, NULL);
+ do_rte_announce(p, n, e, NULL);
}
FIB_WALK_END;
t = t->sibling;
@@ -172,6 +187,12 @@ rte_update(net *net, struct proto *p, rte *new)
rte *old = NULL;
rte **k, *r, *s;
+ if (new && p->in_filter && f_run(p->in_filter, new, NULL) != F_ACCEPT)
+ {
+ rte_free(new);
+ return;
+ }
+
if (new && !(new->attrs->aflags & RTAF_CACHED)) /* Need to copy attributes */
new->attrs = rta_lookup(new->attrs);