dont delete records but set ttl to 1

-> 10.2.  Announcements to Flush Outdated Cache Entries

Signed-off-by: John Crispin <blogic@openwrt.org>

diff --git a/cache.c b/cache.c
index 812478e44de0664ee17ae0842b39bb674cf0632f..c78a3b7a9b438118b369c68c3102fd62cad0b9ee 100644 (file)
--- a/cache.c
+++ b/cache.c
@@ -301,7 +301,7 @@ cache_answer(struct interface *iface, uint8_t *base, int blen, char *name, struc
        if (r) {
                if (!a->ttl) {
                        DBG(1, "D -> %s %s ttl:%d\n", dns_type_string(r->type), r->record, r->ttl);
-                       cache_record_free(r);
+                       r->time = time(0) + 1 - r->ttl;
                } else {
                        r->ttl = a->ttl;
                        DBG(1, "A -> %s %s ttl:%d\n", dns_type_string(r->type), r->record, r->ttl);