static void
config_zone_section_register(config_data *config)
{
if(tmp_zones != NULL)
{
ya_result return_code;
if(FAIL(return_code = zone_register(&config->zones, tmp_zones)))
{
switch(return_code)
{
case DATABASE_ZONE_MISSING_DOMAIN:
case DATABASE_ZONE_MISSING_MASTER:
{
log_err("config: zone: section #%d: %r", tmp_zone_idx, return_code);
exit(EXIT_FAILURE);
break;
}
default:
{
log_err("config: zone: section #%d: %r", tmp_zone_idx, return_code);
zone_free(tmp_zones);
break;
}
}
}
tmp_zones = NULL;
}
}
void
database_load_zone_desc(zone_desc_s *zone_desc)
{
yassert(zone_desc != NULL);
log_debug1("database_load_zone_desc(%{dnsname}@%p=%i)", zone_desc->origin, zone_desc, zone_desc->rc);
s32 err = zone_register(&database_zone_desc, zone_desc);
if(ISOK(err))
{
log_info("zone: %{dnsname}: %p: config: registered", zone_desc->origin, zone_desc);
zone_lock(zone_desc, ZONE_LOCK_LOAD_DESC);
zone_set_status(zone_desc, ZONE_STATUS_REGISTERED);
zone_clear_status(zone_desc, ZONE_STATUS_DROP_AFTER_RELOAD);
zone_unlock(zone_desc, ZONE_LOCK_LOAD_DESC);
// newly registered zone
// used to be message->origin
if(database_service_started())
{
database_zone_load(zone_desc->origin); // before this I should set the file name
#if HAS_MASTER_SUPPORT
if(zone_desc->type == ZT_MASTER)
{
if(!host_address_empty(zone_desc->slaves))
{
log_info("zone: %{dnsname}: %p: config: notifying slaves", zone_desc->origin, zone_desc);
host_address *slaves = host_address_copy_list(zone_desc->slaves);
notify_host_list(zone_desc, slaves, CLASS_CTRL);
}
}
else
#endif
{
}
}
}
else
{
switch(err)
{
case DATABASE_ZONE_MISSING_DOMAIN:
{
log_err("zone: ?: %p: config: no domain set (not loaded)", zone_desc);
if(zone_get_status(zone_desc) & ZONE_STATUS_PROCESSING)
{
log_err("zone: ?: %p: is processed by %s (releasing)", zone_desc, database_service_operation_get_name(zone_desc->last_processor));
}
zone_release(zone_desc);
break;
}
case DATABASE_ZONE_MISSING_MASTER:
{
log_err("zone: %{dnsname}: %p: config: slave but no master setting (not loaded)", zone_desc->origin, zone_desc);
if(zone_get_status(zone_desc) & ZONE_STATUS_PROCESSING)
{
log_err("zone: ?: %p: is processed by %s (releasing)", zone_desc, database_service_operation_get_name(zone_desc->last_processor));
}
zone_release(zone_desc);
break;
}
case DATABASE_ZONE_CONFIG_CLONE: // Exact copy
{
log_debug("zone: %{dnsname}: %p: config: has already been set (same settings)", zone_desc->origin, zone_desc);
zone_desc_s* current = zone_acquirebydnsname(zone_desc->origin);
zone_lock(current, ZONE_LOCK_REPLACE_DESC);
zone_clear_status(current, ZONE_STATUS_DROP_AFTER_RELOAD);
zone_unlock(current, ZONE_LOCK_REPLACE_DESC);
zone_release(current);
// whatever has been decided above, loading the zone file (if it changed) should be queued
database_zone_load(zone_desc->origin);
zone_release(zone_desc);
break;
}
case DATABASE_ZONE_CONFIG_DUP: // Not an exact copy
{
log_debug("zone: %{dnsname}: %p: config: has already been set (different settings)", zone_desc->origin, zone_desc);
// basically, most of the changes require a stop, restart of
// any task linked to the zone
// so let's make this a rule, whatever changed
notify_clear(zone_desc->origin);
zone_desc_s *current = zone_acquirebydnsname(zone_desc->origin);
#if HAS_DYNAMIC_PROVISIONING
host_address *notify_slaves_then_delete = NULL;
host_address *notify_slaves = NULL;
#endif
if(current != zone_desc)
{
zone_lock(current, ZONE_LOCK_REPLACE_DESC);
if(zone_get_status(current) & ZONE_STATUS_PROCESSING)
{
log_err("zone: ?: %p: is processed by %s (overwriting)", zone_desc, database_service_operation_get_name(zone_desc->last_processor));
}
// what happens if the change is on :
// domain: impossible
/// @todo 20131203 edf -- compare before replace
// file_name : try to load the new file (will happen anyway)
if((current->file_name != NULL) && (zone_desc->file_name != NULL))
{
if(strcmp(current->file_name, zone_desc->file_name) != 0)
{
zone_set_status(current, ZONE_STATUS_MODIFIED);
}
}
else if(current->file_name != zone_desc->file_name) // at least one of them is NULL
{
zone_set_status(current, ZONE_STATUS_MODIFIED);
}
free(current->file_name);
current->file_name = zone_desc->file_name;
zone_desc->file_name = NULL;
// masters :
log_debug7("updating %p (%u) with %p (%u): masters", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
if(host_address_list_equals(current->masters, zone_desc->masters))
{
host_address_delete_list(zone_desc->masters);
}
else
{
host_address_delete_list(current->masters);
current->masters = zone_desc->masters;
}
zone_desc->masters = NULL;
// notifies :
log_debug7("updating %p (%u) with %p (%u): notifies", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
if(host_address_list_equals(current->notifies, zone_desc->notifies))
{
host_address_delete_list(zone_desc->notifies);
}
else
{
host_address_delete_list(current->notifies);
current->notifies = zone_desc->notifies;
}
zone_desc->notifies = NULL;
#if HAS_DYNAMIC_PROVISIONING
log_debug7("updating %p (%u) with %p (%u): slaves", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
if(host_address_list_equals(current->slaves, zone_desc->slaves))
{
#if HAS_MASTER_SUPPORT
if((current->type == ZT_MASTER) || (zone_desc->type == ZT_MASTER))
{
notify_slaves_then_delete = zone_desc->slaves;
}
else
#endif
{
host_address_delete_list(zone_desc->slaves);
}
}
else
{
#if HAS_MASTER_SUPPORT
if(current->type == ZT_MASTER)
{
notify_slaves_then_delete = current->slaves;
}
else
{
host_address_delete_list(current->slaves);
}
if(zone_desc->type == ZT_MASTER)
{
notify_slaves = zone_desc->slaves;
}
#else
host_address_delete_list(current->slaves);
#endif
current->slaves = zone_desc->slaves;
}
zone_desc->slaves = NULL;
#endif
// type : ?
log_debug7("updating %p (%u) with %p (%u): type", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
current->type = zone_desc->type;
#if HAS_ACL_SUPPORT
// ac : apply the new one, update the zone access
log_debug7("updating %p (%u) with %p (%u): ac@%p with ac@%p",
current, current->lock_owner, zone_desc, zone_desc->lock_owner,
¤t->ac, &zone_desc->ac);
#ifdef DEBUG
log_debug7("old@%p:", current);
log_debug7(" notify@%p",current->ac.allow_notify.ipv4.items);
log_debug7(" query@%p",current->ac.allow_query.ipv4.items);
log_debug7(" transfer@%p",current->ac.allow_transfer.ipv4.items);
log_debug7(" update@%p",current->ac.allow_update.ipv4.items);
log_debug7("forwarding@%p",current->ac.allow_update_forwarding.ipv4.items);
log_debug7(" control@%p",current->ac.allow_control.ipv4.items);
log_debug7("new@%p:", zone_desc);
log_debug7(" notify@%p",zone_desc->ac.allow_notify.ipv4.items);
log_debug7(" query@%p",zone_desc->ac.allow_query.ipv4.items);
log_debug7(" transfer@%p",zone_desc->ac.allow_transfer.ipv4.items);
log_debug7(" update@%p",zone_desc->ac.allow_update.ipv4.items);
log_debug7("forwarding@%p",zone_desc->ac.allow_update_forwarding.ipv4.items);
log_debug7(" control@%p",zone_desc->ac.allow_control.ipv4.items);
#endif
acl_unmerge_access_control(¤t->ac, &g_config->ac);
acl_empties_access_control(¤t->ac);
memcpy(¤t->ac, &zone_desc->ac, sizeof(access_control));
ZEROMEMORY(&zone_desc->ac, sizeof(access_control));
#endif
// notify : reset, restart
log_debug7("updating %p (%u) with %p (%u): notify", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
memcpy(¤t->notify, &zone_desc->notify, sizeof(zone_notify_s));
#if HAS_DNSSEC_SUPPORT
#if HAS_RRSIG_MANAGEMENT_SUPPORT
// signature : reset, restart
log_debug7("updating %p (%u) with %p (%u): signature", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
memcpy(¤t->signature, &zone_desc->signature, sizeof(zone_signature_s));
#endif
// dnssec_mode : drop everything related to the zone, load the new config
log_debug7("updating %p (%u) with %p (%u): dnssec_mode", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
current->dnssec_mode = zone_desc->dnssec_mode;
#endif
// refresh : update the "alarms"
log_debug7("updating %p (%u) with %p (%u): refresh", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
memcpy(¤t->refresh, &zone_desc->refresh, sizeof(zone_refresh_s));
// dynamic_provisioning : ?
log_debug7("updating %p (%u) with %p (%u): dynamic_provisioning", current, current->lock_owner, zone_desc, zone_desc->lock_owner);
memcpy(¤t->dynamic_provisioning, &zone_desc->dynamic_provisioning, sizeof(dynamic_provisioning_s));
// slaves : update the list
zone_unlock(current, ZONE_LOCK_REPLACE_DESC);
}
// whatever has been decided above, loading the zone file should be queued
database_zone_load(zone_desc->origin);
#if HAS_DYNAMIC_PROVISIONING
// if asking for a load of the zone_data on a master should trigger a notify of its slaves
log_debug7("handling dynamic provisioning");
if(!host_address_empty(notify_slaves_then_delete))
{
log_info("zone load desc: %{dnsname}: notifying slaves: %{hostaddrlist}", zone_desc->origin, notify_slaves_then_delete);
notify_host_list(current, notify_slaves_then_delete, CLASS_CTRL);
notify_slaves_then_delete = NULL;
}
if(!host_address_empty(notify_slaves))
{
log_info("zone load desc: %{dnsname}: notifying slaves: %{hostaddrlist}", zone_desc->origin, notify_slaves);
host_address *notify_slaves_copy = host_address_copy_list(notify_slaves);
notify_host_list(current, notify_slaves_copy, CLASS_CTRL);
notify_slaves = NULL;
}
#endif
#if HAS_MASTER_SUPPORT && HAS_DNSSEC_SUPPORT && HAS_RRSIG_MANAGEMENT_SUPPORT
if(current->dnssec_policy != zone_desc->dnssec_policy)
{
log_info("zone: %{dnsname}: %p: config: dnssec-policy modified", zone_desc->origin, zone_desc);
if(zone_desc->dnssec_policy != NULL)
{
if(current->dnssec_policy != NULL)
{
log_warn("zone: %{dnsname}: %p: config: changing dnssec-policy at runtime (%s to %s)", zone_desc->origin, zone_desc, current->dnssec_policy->name, zone_desc->dnssec_policy->name);
if(current->dnssec_policy->denial != zone_desc->dnssec_policy->denial)
{
log_warn("zone: %{dnsname}: %p: config: modifications of the dnssec-policy denial setting may be ignored", zone_desc->origin, zone_desc);
}
dnssec_policy_release(current->dnssec_policy);
current->dnssec_policy = dnssec_policy_acquire_from_name(zone_desc->dnssec_policy->name);
}
else
{
log_info("zone: %{dnsname}: %p: config: dnssec-policy %s enabled", zone_desc->origin, zone_desc, zone_desc->dnssec_policy->name);
current->dnssec_policy = dnssec_policy_acquire_from_name(zone_desc->dnssec_policy->name);
}
}
else
{
log_warn("zone: %{dnsname}: %p: config: removing policy at runtime", zone_desc->origin, zone_desc);
dnssec_policy_release(current->dnssec_policy);
current->dnssec_policy = NULL;
}
}
#endif
if(current != zone_desc)
{
log_debug7("destroying temporary zone descriptor @%p", zone_desc);
zone_release(zone_desc);
}
zone_clear_status(zone_desc, ZONE_STATUS_DROP_AFTER_RELOAD);
zone_release(current);
break;
} // DUP
default:
{
log_err("zone: %{dnsname}: %p: failed to register", zone_desc->origin, zone_desc);
break;
}
} // switch
}
log_debug1("database_load_zone_desc(%p) done", zone_desc);
}
