void tag_init (tag_t * tag, const char * name)
{
changeset_init (&tag->changeset);
tag->changeset.type = ct_tag;
tag->changeset.time = -(1ul << (sizeof (time_t) * 8 - 1));
assert (tag->changeset.time < 0);
assert ((tag->changeset.time & ((unsigned long) tag->changeset.time - 1))
== 0);
tag->tag = name;
tag->tag_files = NULL;
tag->tag_files_end = NULL;
tag->branch_versions = NULL;
tag->parents = NULL;
tag->parents_end = NULL;
tag->tags = NULL;
tag->tags_end = NULL;
tag->fixup = false;
tag->dummy = false;
tag->deleted = false;
tag->merge_source = false;
tag->parent = NULL;
tag->fixups = NULL;
tag->fixups_end = NULL;
}
changeset_t * database_new_changeset (database_t * db)
{
changeset_t * result = xmalloc (sizeof (changeset_t));
changeset_init (result);
ARRAY_APPEND (db->changesets, result);
return result;
}
int event_dnssec(conf_t *conf, zone_t *zone)
{
assert(zone);
changeset_t ch;
int ret = changeset_init(&ch, zone->name);
if (ret != KNOT_EOK) {
goto done;
}
uint32_t refresh_at = time(NULL);
int sign_flags = 0;
if (zone->flags & ZONE_FORCE_RESIGN) {
log_zone_info(zone->name, "DNSSEC, dropping previous "
"signatures, resigning zone");
zone->flags &= ~ZONE_FORCE_RESIGN;
sign_flags = ZONE_SIGN_DROP_SIGNATURES;
} else {
log_zone_info(zone->name, "DNSSEC, signing zone");
sign_flags = 0;
}
ret = knot_dnssec_zone_sign(zone->contents, &ch, sign_flags, &refresh_at);
if (ret != KNOT_EOK) {
goto done;
}
bool zone_changed = !changeset_empty(&ch);
if (zone_changed) {
/* Apply change. */
apply_ctx_t a_ctx = { { 0 } };
apply_init_ctx(&a_ctx);
zone_contents_t *new_contents = NULL;
int ret = apply_changeset(&a_ctx, zone, &ch, &new_contents);
if (ret != KNOT_EOK) {
log_zone_error(zone->name, "DNSSEC, failed to sign zone (%s)",
knot_strerror(ret));
goto done;
}
/* Write change to journal. */
ret = zone_change_store(conf, zone, &ch);
if (ret != KNOT_EOK) {
log_zone_error(zone->name, "DNSSEC, failed to sign zone (%s)",
knot_strerror(ret));
update_rollback(&a_ctx);
update_free_zone(&new_contents);
goto done;
}
/* Switch zone contents. */
zone_contents_t *old_contents = zone_switch_contents(zone, new_contents);
zone->flags &= ~ZONE_EXPIRED;
synchronize_rcu();
update_free_zone(&old_contents);
update_cleanup(&a_ctx);
}
// Schedule dependent events.
schedule_dnssec(zone, refresh_at);
if (zone_changed) {
zone_events_schedule(zone, ZONE_EVENT_NOTIFY, ZONE_EVENT_NOW);
conf_val_t val = conf_zone_get(conf, C_ZONEFILE_SYNC, zone->name);
if (conf_int(&val) == 0) {
zone_events_schedule(zone, ZONE_EVENT_FLUSH, ZONE_EVENT_NOW);
}
}
done:
changeset_clear(&ch);
return ret;
}
