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-rw-r--r--src/knot/events/handlers/ds_check.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/knot/events/handlers/ds_check.c b/src/knot/events/handlers/ds_check.c
new file mode 100644
index 0000000..0138bed
--- /dev/null
+++ b/src/knot/events/handlers/ds_check.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "knot/dnssec/ds_query.h"
+#include "knot/zone/zone.h"
+
+int event_ds_check(conf_t *conf, zone_t *zone)
+{
+ kdnssec_ctx_t ctx = { 0 };
+
+ int ret = kdnssec_ctx_init(conf, &ctx, zone->name, zone_kaspdb(zone), NULL);
+ if (ret != KNOT_EOK) {
+ return ret;
+ }
+
+ ret = knot_parent_ds_query(conf, &ctx, conf->cache.srv_tcp_remote_io_timeout);
+
+ zone->timers.next_ds_check = 0;
+ switch (ret) {
+ case KNOT_NO_READY_KEY:
+ break;
+ case KNOT_EOK:
+ zone_events_schedule_now(zone, ZONE_EVENT_DNSSEC);
+ break;
+ default:
+ if (ctx.policy->ksk_sbm_check_interval > 0) {
+ time_t next_check = time(NULL) + ctx.policy->ksk_sbm_check_interval;
+ zone->timers.next_ds_check = next_check;
+ zone_events_schedule_at(zone, ZONE_EVENT_DS_CHECK, next_check);
+ }
+ }
+
+ kdnssec_ctx_deinit(&ctx);
+
+ return KNOT_EOK; // allways ok, if failure it has been rescheduled
+}