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Diffstat (limited to 'bin/tests/system/dyndb/driver/zone.c')
| -rw-r--r-- | bin/tests/system/dyndb/driver/zone.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/bin/tests/system/dyndb/driver/zone.c b/bin/tests/system/dyndb/driver/zone.c new file mode 100644 index 0000000..47e4c15 --- /dev/null +++ b/bin/tests/system/dyndb/driver/zone.c @@ -0,0 +1,194 @@ +/* + * Zone management. + * + * Copyright (C) 2009-2015 Red Hat ; see COPYRIGHT for license + */ + +#include <config.h> + +#include <inttypes.h> +#include <stdbool.h> + +#include <isc/util.h> + +#include <dns/dyndb.h> +#include <dns/view.h> +#include <dns/zone.h> + +#include "util.h" +#include "instance.h" +#include "lock.h" +#include "log.h" +#include "zone.h" + +extern const char *impname; + +/* + * Create a new zone with origin 'name'. The zone stay invisible to clients + * until it is explicitly added to a view. + */ +isc_result_t +create_zone(sample_instance_t * const inst, dns_name_t * const name, + dns_zone_t ** const rawp) +{ + isc_result_t result; + dns_zone_t *raw = NULL; + const char *zone_argv[1]; + char zone_name[DNS_NAME_FORMATSIZE]; + dns_acl_t *acl_any = NULL; + + REQUIRE(inst != NULL); + REQUIRE(name != NULL); + REQUIRE(rawp != NULL && *rawp == NULL); + + zone_argv[0] = inst->db_name; + + CHECK(dns_zone_create(&raw, inst->mctx)); + CHECK(dns_zone_setorigin(raw, name)); + dns_zone_setclass(raw, dns_rdataclass_in); + dns_zone_settype(raw, dns_zone_master); + CHECK(dns_zone_setdbtype(raw, 1, zone_argv)); + CHECK(dns_zonemgr_managezone(inst->zmgr, raw)); + + /* This is completely insecure - use some sensible values instead! */ + CHECK(dns_acl_any(inst->mctx, &acl_any)); + dns_zone_setupdateacl(raw, acl_any); + dns_zone_setqueryacl(raw, acl_any); + dns_zone_setxfracl(raw, acl_any); + dns_acl_detach(&acl_any); + + *rawp = raw; + return (ISC_R_SUCCESS); + +cleanup: + dns_name_format(name, zone_name, DNS_NAME_FORMATSIZE); + log_error_r("failed to create new zone '%s'", zone_name); + + if (raw != NULL) { + if (dns_zone_getmgr(raw) != NULL) + dns_zonemgr_releasezone(inst->zmgr, raw); + dns_zone_detach(&raw); + } + if (acl_any != NULL) + dns_acl_detach(&acl_any); + + return (result); +} + +/* + * Add zone to the view defined in inst->view. This will make the zone visible + * to clients. + */ +static isc_result_t +publish_zone(sample_instance_t *inst, dns_zone_t *zone) { + isc_result_t result; + bool freeze = false; + dns_zone_t *zone_in_view = NULL; + dns_view_t *view_in_zone = NULL; + isc_result_t lock_state = ISC_R_IGNORE; + + REQUIRE(inst != NULL); + REQUIRE(zone != NULL); + + /* Return success if the zone is already in the view as expected. */ + result = dns_view_findzone(inst->view, dns_zone_getorigin(zone), + &zone_in_view); + if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) + goto cleanup; + + view_in_zone = dns_zone_getview(zone); + if (view_in_zone != NULL) { + /* Zone has a view set -> view should contain the same zone. */ + if (zone_in_view == zone) { + /* Zone is already published in the right view. */ + CLEANUP_WITH(ISC_R_SUCCESS); + } else if (view_in_zone != inst->view) { + /* + * Un-published inactive zone will have + * inst->view in zone but will not be present + * in the view itself. + */ + dns_zone_log(zone, ISC_LOG_ERROR, + "zone->view doesn't " + "match data in the view"); + CLEANUP_WITH(ISC_R_UNEXPECTED); + } + } + + if (zone_in_view != NULL) { + dns_zone_log(zone, ISC_LOG_ERROR, + "cannot publish zone: view already " + "contains another zone with this name"); + CLEANUP_WITH(ISC_R_UNEXPECTED); + } + + run_exclusive_enter(inst, &lock_state); + if (inst->view->frozen) { + freeze = true; + dns_view_thaw(inst->view); + } + + dns_zone_setview(zone, inst->view); + CHECK(dns_view_addzone(inst->view, zone)); + +cleanup: + if (zone_in_view != NULL) + dns_zone_detach(&zone_in_view); + if (freeze) + dns_view_freeze(inst->view); + run_exclusive_exit(inst, lock_state); + + return (result); +} + +/* + * @warning Never call this on raw part of in-line secure zone, call it only + * on the secure zone! + */ +static isc_result_t +load_zone(dns_zone_t *zone) { + isc_result_t result; + bool zone_dynamic; + uint32_t serial; + + result = dns_zone_load(zone); + if (result != ISC_R_SUCCESS && result != DNS_R_UPTODATE + && result != DNS_R_DYNAMIC && result != DNS_R_CONTINUE) + goto cleanup; + zone_dynamic = (result == DNS_R_DYNAMIC); + + CHECK(dns_zone_getserial2(zone, &serial)); + dns_zone_log(zone, ISC_LOG_INFO, "loaded serial %u", serial); + + if (zone_dynamic) + dns_zone_notify(zone); + +cleanup: + return (result); +} + +/* + * Add zone to view and call dns_zone_load(). + */ +isc_result_t +activate_zone(sample_instance_t *inst, dns_zone_t *raw) { + isc_result_t result; + + /* + * Zone has to be published *before* zone load + * otherwise it will race with zone->view != NULL check + * in zone_maintenance() in zone.c. + */ + result = publish_zone(inst, raw); + if (result != ISC_R_SUCCESS) { + dns_zone_log(raw, ISC_LOG_ERROR, + "cannot add zone to view: %s", + dns_result_totext(result)); + goto cleanup; + } + + CHECK(load_zone(raw)); + +cleanup: + return (result); +} |