cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

47058d17266420179fa294de6b82d8fb5b918df4Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <config.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/file.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/print.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/random.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/ratelimiter.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/serial.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <isc/string.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/taskpool.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/timer.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/util.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/acl.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/adb.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/callbacks.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/db.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/events.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/journal.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/log.h>

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer#include <dns/master.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/masterdump.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/message.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/name.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/peer.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rcode.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdatalist.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdataset.h>

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#include <dns/rdatastruct.h>

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer#include <dns/request.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/resolver.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/result.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/ssu.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/tsig.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/xfrin.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/zone.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define ZONE_MAGIC 0x5a4f4e45U /* ZONE */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define NOTIFY_MAGIC 0x4e746679U /* Ntfy */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define STUB_MAGIC 0x53747562U /* Stub */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define ZONEMGR_MAGIC 0x5a6d6772U /* Zmgr */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define LOAD_MAGIC ISC_MAGIC('L','o','a','d')

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer#define FORWARD_MAGIC ISC_MAGIC('F','o','r','w')

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONE_VALID(zone) \

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_MAGIC_VALID(zone, ZONE_MAGIC)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_NOTIFY_VALID(notify) \

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer ISC_MAGIC_VALID(notify, NOTIFY_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_STUB_VALID(stub) \

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_MAGIC_VALID(stub, STUB_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONEMGR_VALID(stub) \

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_MAGIC_VALID(stub, ZONEMGR_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_LOAD_VALID(load) \

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_MAGIC_VALID(load, LOAD_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_FORWARD_VALID(load) \

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_MAGIC_VALID(load, FORWARD_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define RANGE(a, b, c) (((a) < (b)) ? (b) : ((a) < (c) ? (a) : (c)))

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer#define DNS_DEFAULT_IDLEIN 3600 /* 1 hour */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_DEFAULT_IDLEOUT 3600 /* 1 hour */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define MAX_XFER_TIME (2*3600) /* Documented default is 2 hours */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#ifndef DNS_MAX_EXPIRE

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_MAX_EXPIRE 14515200 /* 24 weeks */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#endif

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define REFRESH_JITTER 600 /* seconds */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define RETRY_JITTER 600

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyertypedef struct dns_notify dns_notify_t;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyertypedef struct dns_stub dns_stub_t;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyertypedef struct dns_load dns_load_t;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyertypedef struct dns_forward dns_forward_t;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstruct dns_zone {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /* Unlocked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int magic;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mutex_t lock;

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Locked */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_t *db;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonemgr_t *zmgr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LINK(dns_zone_t) link; /* Used by zmgr. */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_timer_t *timer;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int erefs;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int irefs;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t origin;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer char *dbname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer char *journal;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_int32_t journalsize;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataclass_t rdclass;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonetype_t type;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int flags;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int options;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int db_argc;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer char **db_argv;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_stdtime_t expiretime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_stdtime_t refreshtime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_stdtime_t dumptime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_t loadtime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t serial;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t refresh;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t retry;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t expire;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t minimum;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t maxrefresh;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t minrefresh;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t maxretry;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t minretry;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t maxnames;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t *masters;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t **masterkeynames;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int masterscnt;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int curmaster;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t masteraddr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_notifytype_t notifytype;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_sockaddr_t *notify;

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence unsigned int notifycnt;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_sockaddr_t notifyfrom;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_task_t *task;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_sockaddr_t xfrsource4;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_sockaddr_t xfrsource6;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_xfrin_ctx_t *xfr;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /* Access Control Lists */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_acl_t *update_acl;

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer#ifndef NOMINUM_PUBLIC

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer dns_acl_t *notify_acl;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_acl_t *query_acl;

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer dns_acl_t *xfr_acl;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_severity_t check_names;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LIST(dns_notify_t) notifies;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_request_t *request;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_loadctx_t *loadctx;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_uint32_t maxxfrin;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_uint32_t maxxfrout;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t idlein;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t idleout;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t diff_on_reload;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_event_t ctlevent;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_ssutable_t *ssutable;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_uint32_t sigvalidityinterval;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_view_t *view;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /*

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LINK(dns_zone_t) statelink;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_zonelist_t *statelist;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONE_FLAG(z,f) (((z)->flags & (f)) != 0)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* XXX MPA these may need to go back into zone.h */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_REFRESH 0x00000001U /* refresh check in progress */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_NEEDDUMP 0x00000002U /* zone need consolidation */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONEFLG_USEVC 0x00000004U /* use tcp for refresh query */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer/* #define DNS_ZONEFLG_UNUSED 0x00000008U */ /* unused */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer/* #define DNS_ZONEFLG_UNUSED 0x00000010U */ /* unused */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_LOADED 0x00000020U /* database has loaded */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_EXITING 0x00000040U /* zone is being destroyed */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONEFLG_EXPIRED 0x00000080U /* zone has expired */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_NEEDREFRESH 0x00000100U /* refresh check needed */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONEFLG_UPTODATE 0x00000200U /* zone contents are

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_NEEDNOTIFY 0x00000400U /* need to send out notify

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_DIFFONRELOAD 0x00000800U /* generate a journal diff on

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_NOMASTERS 0x00001000U /* an attempt to refresh a

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_ZONEFLG_LOADING 0x00002000U /* load from disk in progress */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_ZONE_OPTION(z,o) (((z)->options & (o)) != 0)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstruct dns_zonemgr {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int magic;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_t * mctx;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer int refs; /* Locked by rwlock */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_taskmgr_t * taskmgr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_timermgr_t * timermgr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_socketmgr_t * socketmgr;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_taskpool_t * zonetasks;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_task_t * task;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_ratelimiter_t * rl;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_rwlock_t rwlock;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_rwlock_t conflock;

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer /* Locked by rwlock. */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonelist_t zones;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonelist_t waiting_for_xfrin;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonelist_t xfrin_in_progress;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Locked by conflock. */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer int transfersin;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer int transfersperns;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstruct dns_notify {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_int32_t magic;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int flags;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_t *zone;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_adbfind_t *find;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_request_t *request;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t ns;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t dst;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LINK(dns_notify_t) link;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_NOTIFY_NOSOA 0x0001U

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstruct dns_stub {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_int32_t magic;

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_t *zone;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_t *db;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dbversion_t *version;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstruct dns_load {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_int32_t magic;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_t *zone;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_t *db;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_t loadtime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdatacallbacks_t callbacks;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstruct dns_forward {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_int32_t magic;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_t *zone;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_buffer_t *msgbuf;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_request_t *request;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_uint32_t which;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t addr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_updatecallback_t callback;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer void *callback_arg;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer};

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t zone_settimer(dns_zone_t *, isc_stdtime_t);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void cancel_refresh(dns_zone_t *);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_log(dns_zone_t *zone, const char *, int, const char *msg,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ...);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void notify_log(dns_zone_t *zone, int level, const char *fmt, ...);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void queue_xfrin(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_unload(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_expire(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_deletefile(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t zone_replacedb(dns_zone_t *zone, dns_db_t *db,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t dump);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t default_journal(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_xfrdone(dns_zone_t *zone, isc_result_t result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t zone_postload(dns_zone_t *zone, dns_db_t *db,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_t loadtime, isc_result_t result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_shutdown(isc_task_t *, isc_event_t *);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_loaddone(void *arg, isc_result_t result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t zone_startload(dns_db_t *db, dns_zone_t *zone,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_t loadtime);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#if 0

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void dns_zonemgr_dbdestroyed(isc_task_t *task, isc_event_t *event);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void refresh_callback(isc_task_t *, isc_event_t *);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void stub_callback(isc_task_t *, isc_event_t *);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void queue_soa_query(dns_zone_t *zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void soa_query(isc_task_t *, isc_event_t *);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_stub_t *stub);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic int message_count(dns_message_t *msg, dns_section_t section,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdatatype_t type);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic void notify_cancel(dns_zone_t *zone);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic void notify_find_address(dns_notify_t *notify);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void notify_send(dns_notify_t *notify);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#ifdef NOMINUM_PUBLIC

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic isc_result_t notify_createmessage(dns_zone_t *zone,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_message_t **messagep);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#else /* NOMINUM_PUBLIC */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic isc_result_t notify_createmessage(dns_zone_t *zone,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int flags,

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_message_t **messagep);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void zone_notifyforward(dns_zone_t *zone);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#endif /* NOMINUM_PUBLIC */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic void notify_done(isc_task_t *task, isc_event_t *event);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic void notify_send_toaddr(isc_task_t *task, isc_event_t *event);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic isc_result_t zone_dump(dns_zone_t *);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void got_transfer_quota(isc_task_t *task, isc_event_t *event);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic isc_result_t zmgr_start_xfrin_ifquota(dns_zonemgr_t *zmgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_zone_t *zone);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void zmgr_resume_xfrs(dns_zonemgr_t *zmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void zonemgr_free(dns_zonemgr_t *zmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic isc_result_t

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerzone_get_from_db(dns_db_t *db, dns_name_t *origin, unsigned int *nscount,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer unsigned int *soacount, isc_uint32_t *serial,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_uint32_t *refresh, isc_uint32_t *retry,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_uint32_t *expire, isc_uint32_t *minimum);

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void zone_freedbargs(dns_zone_t *zone);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void forward_callback(isc_task_t *task, isc_event_t *event);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#define ZONE_LOG(x,y) zone_log(zone, me, ISC_LOG_DEBUG(x), y)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#define DNS_ENTER zone_log(zone, me, ISC_LOG_DEBUG(1), "enter")

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#define DNS_LEAVE zone_log(zone, me, ISC_LOG_DEBUG(1), "leave")

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerconst unsigned int dbargc_default = 1;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerconst char *dbargv_default[] = { "rbt" };

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerdns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_result_t result;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_zone_t *zone;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(zonep != NULL && *zonep == NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(mctx != NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone = isc_mem_get(mctx, sizeof *zone);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (zone == NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_NOMEMORY);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_mutex_init(&zone->lock);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_mem_put(mctx, zone, sizeof *zone);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer UNEXPECTED_ERROR(__FILE__, __LINE__,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer "isc_mutex_init() failed: %s",

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_result_totext(result));

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_UNEXPECTED);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer }

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /* XXX MPA check that all elements are initialised */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->mctx = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_mem_attach(mctx, &zone->mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->db = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->zmgr = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_LINK_INIT(zone, link);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->erefs = 1; /* Implicit attach. */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->irefs = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_name_init(&zone->origin, NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->dbname = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->journalsize = -1;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->journal = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->rdclass = dns_rdataclass_none;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->type = dns_zone_none;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->flags = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->options = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->db_argc = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->db_argv = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->expiretime = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->refreshtime = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->dumptime = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_time_settoepoch(&zone->loadtime);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->serial = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->refresh = DNS_ZONE_DEFAULTREFRESH;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->retry = DNS_ZONE_DEFAULTRETRY;

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer zone->expire = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->minimum = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->maxrefresh = DNS_ZONE_MAXREFRESH;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->minrefresh = DNS_ZONE_MINREFRESH;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->maxretry = DNS_ZONE_MAXRETRY;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->minretry = DNS_ZONE_MINRETRY;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#ifndef NOMINUM_PUBLIC

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->maxnames = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif /* NOMINUM_PUBLIC */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->masters = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#ifndef NOMINUM_PUBLIC

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->masterkeynames = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif /* NOMINUM_PUBLIC */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->masterscnt = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->curmaster = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->notify = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->notifytype = dns_notifytype_yes;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->notifycnt = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->task = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->update_acl = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#ifndef NOMINUM_PUBLIC

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->notify_acl = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif /* NOMINUM_PUBLIC */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->query_acl = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->xfr_acl = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->check_names = dns_severity_ignore;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->request = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->loadctx = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->timer = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->idlein = DNS_DEFAULT_IDLEIN;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->idleout = DNS_DEFAULT_IDLEOUT;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_LIST_INIT(zone->notifies);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_sockaddr_any(&zone->xfrsource4);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_sockaddr_any6(&zone->xfrsource6);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->xfr = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->maxxfrin = MAX_XFER_TIME;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->maxxfrout = MAX_XFER_TIME;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->diff_on_reload = ISC_FALSE;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->ssutable = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->sigvalidityinterval = 30 * 24 * 3600;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->view = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_LINK_INIT(zone, statelink);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->statelist = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->magic = ZONE_MAGIC;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /* Must be after magic is set. */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_zone_setdbtype(zone, dbargc_default, dbargv_default);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto free_mutex;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_EVENT_INIT(&zone->ctlevent, sizeof(zone->ctlevent), 0, NULL,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer DNS_EVENT_ZONECONTROL, zone_shutdown, zone, zone,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer NULL, NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer *zonep = zone;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_SUCCESS);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer free_mutex:

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer DESTROYLOCK(&zone->lock);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_NOMEMORY);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerzone_free(dns_zone_t *zone) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_mem_t *mctx = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(zone->erefs == 0);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer REQUIRE(zone->irefs == 0);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (zone->timer != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_timer_detach(&zone->timer);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->request != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_request_destroy(&zone->request); /* XXXMPA */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->loadctx != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_loadctx_detach(&zone->loadctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(zone->statelist == NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->task != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_task_detach(&zone->task);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->zmgr)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zonemgr_releasezone(zone->zmgr, zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer /* Unmanaged objects */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->dbname != NULL)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mem_free(zone->mctx, zone->dbname);

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer zone->dbname = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->journalsize = -1;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->journal != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_free(zone->mctx, zone->journal);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->journal = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->db != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_detach(&zone->db);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone_freedbargs(zone);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#ifndef NOMINUM_PUBLIC

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_setmasterswithkeys(zone, NULL, NULL, 0);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#else /* NOMINUM_PUBLIC */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_zone_setmasters(zone, NULL, 0);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif /* NOMINUM_PUBLIC */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_zone_setalsonotify(zone, NULL, 0);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->check_names = dns_severity_ignore;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (zone->update_acl != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_acl_detach(&zone->update_acl);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#ifndef NOMINUM_PUBLIC

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (zone->notify_acl != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_acl_detach(&zone->notify_acl);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#endif /* NOMINUM_PUBLIC */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->query_acl != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_acl_detach(&zone->query_acl);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (zone->xfr_acl != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_acl_detach(&zone->xfr_acl);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (dns_name_dynamic(&zone->origin))

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_free(&zone->origin, zone->mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (zone->ssutable != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_ssutable_detach(&zone->ssutable);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /* last stuff */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer DESTROYLOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->magic = 0;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer mctx = zone->mctx;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mem_put(mctx, zone, sizeof *zone);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mem_detach(&mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(rdclass != dns_rdataclass_none);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /*

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer LOCK(&zone->lock);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(zone->rdclass == dns_rdataclass_none ||

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->rdclass == rdclass);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer zone->rdclass = rdclass;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer UNLOCK(&zone->lock);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_getclass(dns_zone_t *zone){

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer return (zone->rdclass);

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyerdns_zone_setnotifytype(dns_zone_t *zone, dns_notifytype_t notifytype) {

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer zone->notifytype = notifytype;

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer UNLOCK(&zone->lock);

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_settype(dns_zone_t *zone, dns_zonetype_t type) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(type != dns_zone_none);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(zone->type == dns_zone_none || zone->type == type);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->type = type;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer UNLOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerzone_freedbargs(dns_zone_t *zone) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int i;

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer /* Free the old database argument list. */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->db_argv != NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer for (i = 0; i < zone->db_argc; i++)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_free(zone->mctx, zone->db_argv[i]);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_put(zone->mctx, zone->db_argv,

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer zone->db_argc * sizeof *zone->db_argv);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->db_argc = 0;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->db_argv = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_setdbtype(dns_zone_t *zone,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int dbargc, const char * const *dbargv) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer char **new = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int i;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(dbargc >= 1);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(dbargv != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Set up a new database argument list. */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer new = isc_mem_get(zone->mctx, dbargc * sizeof *new);

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer if (new == NULL)

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer goto nomem;

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer for (i = 0; i < dbargc; i++)

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer new[i] = NULL;

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer for (i = 0; i < dbargc; i++) {

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer new[i] = isc_mem_strdup(zone->mctx, dbargv[i]);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (new[i] == NULL)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer goto nomem;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Free the old list. */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer zone_freedbargs(zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->db_argc = dbargc;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->db_argv = new;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto unlock;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer nomem:

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (new != NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer for (i = 0; i < dbargc; i++) {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (zone->db_argv[i] != NULL)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mem_free(zone->mctx, new[i]);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mem_put(zone->mctx, new,

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dbargc * sizeof *new);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer result = ISC_R_NOMEMORY;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

d62f9221228219d3f0982e95fb805674b4b0f184Michael Sawyer unlock:

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer UNLOCK(&zone->lock);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer return (result);

d12ed0876f4dc174b91cc6bb1ddcb4196c656462Michael Sawyer}

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_setview(dns_zone_t *zone, dns_view_t *view) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->view != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_weakdetach(&zone->view);

518c9fea58b4e35d050fc3a2f5195d36ac6c7f09Michael Sawyer dns_view_weakattach(view, &zone->view);

518c9fea58b4e35d050fc3a2f5195d36ac6c7f09Michael Sawyer}

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerdns_view_t *

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_getview(dns_zone_t *zone) {

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (zone->view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerdns_zone_setorigin(dns_zone_t *zone, dns_name_t *origin) {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_result_t result;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer REQUIRE(origin != NULL);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (dns_name_dynamic(&zone->origin)) {

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence dns_name_free(&zone->origin, zone->mctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_init(&zone->origin, NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer result = dns_name_dup(origin, zone->mctx, &zone->origin);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer UNLOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_setdatabase(dns_zone_t *zone, const char *dbname) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(dbname != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->dbname != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_free(zone->mctx, zone->dbname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->dbname = isc_mem_strdup(zone->mctx, dbname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->dbname == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_NOMEMORY;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer else

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = default_journal(zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer UNLOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdefault_journal(dns_zone_t *zone) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer int len;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(zone->dbname != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->journal != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_free(zone->mctx, zone->journal);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer len = strlen(zone->dbname) + sizeof ".jnl"; /* includes '\0' */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->journal = isc_mem_allocate(zone->mctx, len);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->journal == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (ISC_R_NOMEMORY);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer strcpy(zone->journal, zone->dbname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer strcat(zone->journal, ".jnl");

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (ISC_R_SUCCESS);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_setjournal(dns_zone_t *zone, const char *journal) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(journal != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->journal != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_free(zone->mctx, zone->journal);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->journal = isc_mem_strdup(zone->mctx, journal);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->journal == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_NOMEMORY;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer UNLOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerchar *

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyerdns_zone_getjournal(dns_zone_t *zone) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (zone->journal);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_zone_load(dns_zone_t *zone) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer const char me[] = "dns_zone_load";

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_stdtime_t now;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_t loadtime, filetime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_t *db = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_ZONE_VALID(zone));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer LOCK(&zone->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_stdtime_get(&now);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(zone->type != dns_zone_none);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (zone->dbname == NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone_log(zone, me, ISC_LOG_DEBUG(1), "start");

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = isc_file_getmodtime(zone->dbname, &filetime);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result == ISC_R_SUCCESS && ! isc_time_isepoch(&zone->loadtime) &&

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_time_compare(&filetime, &zone->loadtime) < 0) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone_log(zone, me, ISC_LOG_DEBUG(1),

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer "skipping: database file older than last load");

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_SUCCESS;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = isc_time_now(&loadtime);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(zone->db_argc >= 1);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_db_create(zone->mctx, zone->db_argv[0],

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &zone->origin, (zone->type == dns_zone_stub) ?

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dbtype_stub : dns_dbtype_zone,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->rdclass,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->db_argc - 1, zone->db_argv + 1,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &db);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (!dns_db_ispersistent(db))

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = zone_startload(db, zone, loadtime);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (result == DNS_R_CONTINUE) {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer zone->flags |= DNS_ZONEFLG_LOADING;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer result = ISC_R_SUCCESS;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer goto cleanup;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer result = zone_postload(zone, db, loadtime, result);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer cleanup:

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer UNLOCK(&zone->lock);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (db != NULL)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_db_detach(&db);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer return (result);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer}

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic isc_result_t

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerzone_startload(dns_db_t *db, dns_zone_t *zone, isc_time_t loadtime) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_load_t *load;

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer isc_result_t result;

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer isc_result_t tresult;

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer if (zone->view != NULL && zone->view->loadmgr != NULL &&

ad7bb5bff3e796f5648835bf87a203d23d8319e4David Lawrence zone->db != NULL) {

ad7bb5bff3e796f5648835bf87a203d23d8319e4David Lawrence load = isc_mem_get(zone->mctx, sizeof(*load));

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer if (load == NULL)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer return (ISC_R_NOMEMORY);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer load->mctx = NULL;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer load->zone = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer load->db = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer load->loadtime = loadtime;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer load->magic = LOAD_MAGIC;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_attach(zone->mctx, &load->mctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_zone_iattach(zone, &load->zone);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_attach(db, &load->db);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdatacallbacks_init(&load->callbacks);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_db_beginload(db, &load->callbacks.add,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &load->callbacks.add_private);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (result != ISC_R_SUCCESS)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_master_loadfilequota(zone->dbname,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_origin(db),

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_origin(db),

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer zone->rdclass, ISC_FALSE,

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer &load->callbacks, zone->task,

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer zone_loaddone, load,

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer zone->view->loadmgr,

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer &zone->loadctx, zone->mctx);

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer if (result != DNS_R_CONTINUE && result != ISC_R_SUCCESS) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer tresult = dns_db_endload(load->db,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &load->callbacks.add_private);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (result == ISC_R_SUCCESS)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer result = tresult;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer } else {

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer result = dns_db_load(db, zone->dbname);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer return (result);

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer cleanup:

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer load->magic = 0;

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer dns_db_detach(&load->db);

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer dns_zone_idetach(&load->zone);

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer isc_mem_detach(&load->mctx);

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer isc_mem_put(zone->mctx, load, sizeof(*load));

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer return (result);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer}

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstatic isc_result_t

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerzone_postload(dns_zone_t *zone, dns_db_t *db, isc_time_t loadtime,

isc_result_t result)

{

const char me[] = "dns_zone_load";

unsigned int soacount = 0;

unsigned int nscount = 0;

isc_uint32_t serial, refresh, retry, expire, minimum;

isc_stdtime_t now;

/*

if (result != ISC_R_SUCCESS) {

if (zone->type == dns_zone_slave ||

zone->type == dns_zone_stub) {

if (result == ISC_R_FILENOTFOUND)

zone_log(zone, me, ISC_LOG_INFO,

"no database file");

else

zone_log(zone, me, ISC_LOG_ERROR,

"database %s: dns_db_load failed: %s",

zone->dbname,

dns_result_totext(result));

/* Mark the zone for immediate refresh. */

zone->refreshtime = now;

result = ISC_R_SUCCESS;

} else {

zone_log(zone, me, ISC_LOG_ERROR,

"database %s: dns_db_load failed: %s",

zone->dbname, dns_result_totext(result));

}

goto cleanup;

}

zone_log(zone, me, ISC_LOG_DEBUG(2),

"number of nodes in database: %u",

dns_db_nodecount(db));

zone->loadtime = loadtime;

isc_stdtime_get(&now);

zone_log(zone, me, ISC_LOG_INFO, "loaded");

/*

if (zone->journal != NULL) {

result = dns_journal_rollforward(zone->mctx, db,

zone->journal);

if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND &&

result != DNS_R_UPTODATE && result != DNS_R_NOJOURNAL &&

result != ISC_R_RANGE) {

zone_log(zone, me, ISC_LOG_ERROR,

"dns_journal_rollforward returned: %s",

dns_result_totext(result));

goto cleanup;

}

if (result == ISC_R_NOTFOUND || result == ISC_R_RANGE) {

zone_log(zone, me, ISC_LOG_ERROR,

"journal out of sync with zone");

goto cleanup;

}

zone_log(zone, me, ISC_LOG_DEBUG(1),

"dns_journal_rollforward: %s",

dns_result_totext(result));

if (result == ISC_R_SUCCESS)

zone->flags |= DNS_ZONEFLG_NEEDDUMP;

}

/*

nscount = 0;

soacount = 0;

INSIST(db != NULL);

result = zone_get_from_db(db, &zone->origin, &nscount,

&soacount, &serial, &refresh, &retry,

&expire, &minimum);

if (result != ISC_R_SUCCESS) {

zone_log(zone, me, ISC_LOG_ERROR,

"could not find NS and/or SOA records");

}

/*

switch (zone->type) {

case dns_zone_master:

case dns_zone_slave:

case dns_zone_stub:

if (soacount != 1) {

zone_log(zone, me, ISC_LOG_ERROR,

"has %d SOA records", soacount);

result = DNS_R_BADZONE;

goto cleanup;

}

if (nscount == 0)

zone_log(zone, me, ISC_LOG_ERROR, "no NS records");

if (zone->db != NULL) {

if (!isc_serial_ge(serial, zone->serial)) {

zone_log(zone, me, ISC_LOG_ERROR,

"zone serial has gone backwards");

}

}

zone->serial = serial;

zone->refresh = RANGE(refresh,

zone->minrefresh, zone->maxrefresh);

zone->retry = RANGE(retry,

zone->minretry, zone->maxretry);

zone->expire = RANGE(expire, zone->refresh + zone->retry,

DNS_MAX_EXPIRE);

zone->minimum = minimum;

if (zone->type == dns_zone_slave ||

zone->type == dns_zone_stub) {

isc_time_t t;

result = isc_file_getmodtime(zone->dbname, &t);

if (result == ISC_R_SUCCESS)

zone->expiretime = isc_time_seconds(&t) +

zone->expire;

else

zone->expiretime = now + zone->retry;

zone->refreshtime = now;

}

break;

default:

UNEXPECTED_ERROR(__FILE__, __LINE__,

"unexpected zone type %d", zone->type);

result = ISC_R_UNEXPECTED;

goto cleanup;

}

#if 0

/* destroy notification example. */

{

isc_event_t *e = isc_event_allocate(zone->mctx, NULL,

DNS_EVENT_DBDESTROYED,

dns_zonemgr_dbdestroyed,

zone,

sizeof(isc_event_t));

dns_db_ondestroy(db, zone->task, &e);

}

#endif

if (zone->db != NULL) {

result = zone_replacedb(zone, db, ISC_FALSE);

if (result != ISC_R_SUCCESS)

goto cleanup;

} else {

dns_db_attach(db, &zone->db);

zone->flags |= DNS_ZONEFLG_LOADED|DNS_ZONEFLG_NEEDNOTIFY;

}

result = ISC_R_SUCCESS;

if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))

(void) zone_settimer(zone, now);

cleanup:

return (result);

}

static void

exit_check(dns_zone_t *zone) {

if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING) &&

zone->irefs == 0)

{

/*

INSIST(zone->erefs == 0);

zone_free(zone);

}

}

static isc_result_t

zone_count_ns_rr(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,

unsigned int *nscount)

{

isc_result_t result;

unsigned int count;

dns_rdataset_t rdataset;

REQUIRE(nscount != NULL);

dns_rdataset_init(&rdataset);

result = dns_db_findrdataset(db, node, version, dns_rdatatype_ns,

dns_rdatatype_none, 0, &rdataset, NULL);

if (result == ISC_R_NOTFOUND) {

*nscount = 0;

result = ISC_R_SUCCESS;

goto invalidate_rdataset;

}

else if (result != ISC_R_SUCCESS)

goto invalidate_rdataset;

count = 0;

result = dns_rdataset_first(&rdataset);

while (result == ISC_R_SUCCESS) {

count++;

result = dns_rdataset_next(&rdataset);

}

dns_rdataset_disassociate(&rdataset);

*nscount = count;

result = ISC_R_SUCCESS;

invalidate_rdataset:

dns_rdataset_invalidate(&rdataset);

return (result);

}

static isc_result_t

zone_load_soa_rr(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,

unsigned int *soacount,

isc_uint32_t *serial, isc_uint32_t *refresh,

isc_uint32_t *retry, isc_uint32_t *expire,

isc_uint32_t *minimum)

{

isc_result_t result;

unsigned int count;

dns_rdataset_t rdataset;

dns_rdata_t rdata;

dns_rdata_soa_t soa;

dns_rdataset_init(&rdataset);

result = dns_db_findrdataset(db, node, version, dns_rdatatype_soa,

dns_rdatatype_none, 0, &rdataset, NULL);

if (result != ISC_R_SUCCESS)

goto invalidate_rdataset;

count = 0;

result = dns_rdataset_first(&rdataset);

while (result == ISC_R_SUCCESS) {

dns_rdataset_current(&rdataset, &rdata);

count++;

if (count == 1)

dns_rdata_tostruct(&rdata, &soa, NULL);

result = dns_rdataset_next(&rdataset);

}

dns_rdataset_disassociate(&rdataset);

if (soacount != NULL)

*soacount = count;

if (count > 0) {

if (serial != NULL)

*serial = soa.serial;

if (refresh != NULL)

*refresh = soa.refresh;

if (retry != NULL)

*retry = soa.retry;

if (expire != NULL)

*expire = soa.expire;

if (minimum != NULL)

*minimum = soa.minimum;

}

result = ISC_R_SUCCESS;

invalidate_rdataset:

dns_rdataset_invalidate(&rdataset);

return (result);

}

static isc_result_t

zone_get_from_db(dns_db_t *db, dns_name_t *origin, unsigned int *nscount,

unsigned int *soacount, isc_uint32_t *serial,

isc_uint32_t *refresh, isc_uint32_t *retry,

isc_uint32_t *expire, isc_uint32_t *minimum)

{

dns_dbversion_t *version;

isc_result_t result;

isc_result_t answer = ISC_R_SUCCESS;

dns_dbnode_t *node;

REQUIRE(db != NULL);

REQUIRE(origin != NULL);

version = NULL;

dns_db_currentversion(db, &version);

node = NULL;

result = dns_db_findnode(db, origin, ISC_FALSE, &node);

if (result != ISC_R_SUCCESS) {

answer = result;

goto closeversion;

}

if (nscount != NULL) {

result = zone_count_ns_rr(db, node, version, nscount);

if (result != ISC_R_SUCCESS)

answer = result;

}

if (soacount != NULL || serial != NULL || refresh != NULL

|| retry != NULL || expire != NULL || minimum != NULL) {

result = zone_load_soa_rr(db, node, version, soacount,

serial, refresh, retry, expire,

minimum);

if (result != ISC_R_SUCCESS)

answer = result;

}

dns_db_detachnode(db, &node);

closeversion:

dns_db_closeversion(db, &version, ISC_FALSE);

return (answer);

}

dns_zone_attach(dns_zone_t *source, dns_zone_t **target) {

REQUIRE(DNS_ZONE_VALID(source));

REQUIRE(target != NULL && *target == NULL);

LOCK(&source->lock);

REQUIRE(source->erefs > 0);

source->erefs++;

INSIST(source->erefs != 0);

UNLOCK(&source->lock);

*target = source;

}

dns_zone_detach(dns_zone_t **zonep) {

dns_zone_t *zone;

isc_boolean_t free_now = ISC_FALSE;

REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));

zone = *zonep;

LOCK(&zone->lock);

REQUIRE(zone->erefs > 0);

zone->erefs--;

if (zone->erefs == 0) {

/*

if (zone->task != NULL) {

/*

isc_event_t *ev = &zone->ctlevent;

isc_task_send(zone->task, &ev);

} else {

/*

/*