20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein /* $Id: zone.c,v 1.82 2000/02/24 21:40:51 gson Exp $ */

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence#include <config.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <string.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

6b7257f756eb0530cdf54df9a7fab8d51a5001c3David Lawrence#include <isc/assertions.h>

6b7257f756eb0530cdf54df9a7fab8d51a5001c3David Lawrence#include <isc/error.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <isc/magic.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <isc/mktemplate.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <isc/print.h>

ce2be9b7211ab5bacaa10fe74ef35def3a3f6089David Lawrence#include <isc/quota.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <isc/serial.h>

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence#include <isc/taskpool.h>

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington#include <isc/timer.h>

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews#include <isc/ufile.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <isc/util.h>

3759f10fc543747668b1ca4b4671f35b0dea8445Francis Dupont

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews#include <dns/acl.h>

f96b41064bcd427d8125a096fd646c1f068d8ed7David Lawrence#include <dns/db.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/dbiterator.h>

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence#include <dns/dispatch.h>

f96b41064bcd427d8125a096fd646c1f068d8ed7David Lawrence#include <dns/events.h>

e19501436a92cd48eba2ff47d90fa49c661ec8d8Brian Wellington#include <dns/journal.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <dns/log.h>

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence#include <dns/master.h>

669e9657c731176df235832367f61435f7b83ddfAndreas Gustafsson#include <dns/masterdump.h>

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence#include <dns/message.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/rcode.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/rdata.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/rdatalist.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/rdatasetiter.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/rdatastruct.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/resolver.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/ssu.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/xfrin.h>

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#include <dns/zone.h>

d32b13e0be7f01020365c83a0bd36483ace4d7c3Mark Andrews#include <dns/zt.h>

d32b13e0be7f01020365c83a0bd36483ace4d7c3Mark Andrews

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#define dns_zone_uptodate(x) zone_log(x, me, ISC_LOG_INFO, "dns_zone_uptodate")

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellington#define referral(x) ISC_FALSE

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

3f96cf3e4f96b36cc1ad2ec7edc5b8e285fced8fBrian Wellington#include <stdarg.h>

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

7318a964ece83f748bc7e9814d8c3a61c2b4d946Mark Andrews#define ZONE_MAGIC 0x5a4f4e45U

4cd765650776027d05fe7fca248478918e02e63bDavid Lawrence#define CHECKSERVERS_MAGIC 0x43484346U

4cd765650776027d05fe7fca248478918e02e63bDavid Lawrence

80b67b3a4f2d9fc7fdd32a50edc67ff189894da2Danny Mayer#define DNS_ZONE_VALID(zone) \

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews ISC_MAGIC_VALID(zone, ZONE_MAGIC)

87983da955bf63128de85d180359bdc418516c3cDavid Lawrence#define DNS_CHECKSERVERS_VALID(server) \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington ISC_MAGIC_VALID(zone, CHECKSERVERS_MAGIC)

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews#ifndef DNS_GLOBAL_OPTION /* XXX MPA */

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews#define DNS_GLOBAL_OPTION(o) 0

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington#endif

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews#define DEFAULT_REFRESH 900 /*XXX*/

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#define DEFAULT_RETRY 300 /*XXX*/

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt#define MAX_XFER_TIME (2*3600) /* Documented default is 2 hours. */

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt#define RANGE(a, b, c) (((a) < (b)) ? (b) : ((a) < (c) ? (a) : (c)))

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#define DNS_MIN_REFRESH 2

4144efb39046963989ad002cf88a0c195401100aJeremy Reed#define DNS_MAX_REFRESH 2419200 /* 4 weeks */

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt#define DNS_MIN_RETRY 1

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington#define DNS_MAX_RETRY 1209600 /* 2 weeks */

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence#define DNS_MAX_EXPIRE 14515200 /* 24 weeks */

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence#define DNS_DEFAULT_IDLEIN 3600 /* 1 hour */

bfafdac0616107ff32389532e7040567cd84b8aaBrian Wellington#define DNS_DEFAULT_IDLEOUT 3600 /* 1 hour */

2ba574f329c14376d26d7c0f22c89d7a978a2625Mark Andrews

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrewstypedef enum {

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt get_a6, get_aaaa, get_a, get_ns, get_soa

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt} dns_zone_state_t;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellingtontypedef struct dns_zone_checkservers {

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington isc_uint32_t magic;

debd489a44363870f96f75818e89ec27d3cab736Francis Dupont isc_boolean_t name_known;

debd489a44363870f96f75818e89ec27d3cab736Francis Dupont dns_name_t server;

debd489a44363870f96f75818e89ec27d3cab736Francis Dupont isc_sockaddr_t address;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_zone_state_t state;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_zone_t *zone;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_resolver_t *res;

5b79d154014f87b6c54b1ec2d3912c35b02042a1Mark Andrews isc_mem_t *mctx;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt dns_fetch_t *fetch;

94b166ffa58ef0ff263563c0550d0b30eb9f7772David Lawrence ISC_LINK(struct dns_zone_checkservers) link;

f7c21e46c4b5fdae516b91374c24a87671f83ea3Andreas Gustafsson} dns_zone_checkservers_t;

94b166ffa58ef0ff263563c0550d0b30eb9f7772David Lawrence

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrewsstruct dns_zone {

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman /* Unlocked */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews unsigned int magic;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_mutex_t lock;

1479200aa05414b2acf33607dbd1682c16f58c51Evan Hunt isc_mem_t *mctx;

b326d7e3a3a50eb65dd06db007d2fddc62606bbfMark Andrews

5455f30a7532738d750252c00e649890c694ee30Brian Wellington /* Locked */

5455f30a7532738d750252c00e649890c694ee30Brian Wellington dns_db_t *top;

60213f2815a7e6584a2285546d05633fa7b6f5b4Mark Andrews dns_zonemgr_t *zmgr;

c30d291128e099a284fa6272b91b2bd64519a209Mark Andrews ISC_LINK(dns_zone_t) link; /* Used by zmgr. */

6150d3cb666a58d5e3a15275562c9fc5c5b6b2d8Evan Hunt isc_timer_t *timer;

6150d3cb666a58d5e3a15275562c9fc5c5b6b2d8Evan Hunt unsigned int erefs;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews unsigned int irefs;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_boolean_t shuttingdown;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_name_t origin;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews char *database;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews char *journal;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_int32_t journalsize;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_rdataclass_t rdclass;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_zonetype_t type;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews unsigned int flags;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews unsigned int options;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews unsigned int setoptions;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews char * db_type;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews unsigned int db_argc;

ecaed3593cd14f2491d1bd81fc98cb940e12f8bbMark Andrews char ** db_argv;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_stdtime_t expiretime;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_stdtime_t refreshtime;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_stdtime_t dumptime;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_stdtime_t servertime;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_stdtime_t parenttime;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_stdtime_t childtime;

323bb31d7c54078aa62146b3aa946b755cbfd52bMark Andrews isc_uint32_t serial;

323bb31d7c54078aa62146b3aa946b755cbfd52bMark Andrews isc_uint32_t refresh;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_uint32_t retry;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_uint32_t expire;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_uint32_t minimum;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_sockaddr_t * masters;

629a0159401a6c0d991a78a6d0b90ee84e83668cEvan Hunt unsigned int masterscnt;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt in_port_t masterport;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt unsigned int curmaster;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_sockaddr_t * notify;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt unsigned int notifycnt;

547411428e467f2a2848886eaac0a8b3e136a9abEvan Hunt isc_sockaddr_t notifyfrom;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_task_t * task;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_sockaddr_t xfrsource4;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_sockaddr_t xfrsource6;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_xfrin_ctx_t * xfr;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews /* Access Control Lists */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_acl_t *update_acl;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_acl_t *query_acl;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_acl_t *xfr_acl;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_severity_t check_names;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews ISC_LIST(dns_zone_checkservers_t) checkservers;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews dns_fetch_t *fetch;

62ec9fd1681ffae7d6b0d54618599ecf650e3100Mark Andrews dns_resolver_t *res;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_socketmgr_t *socketmgr;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_uint32_t maxxfrin;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_uint32_t maxxfrout;

fc39b6a96109b78154ec148d20eaf29e8abc14b6Mukund Sivaraman isc_uint32_t idlein;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_uint32_t idleout;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_boolean_t diff_on_reload;

9c03f13e18c1b0c32f62391a17300378605bbc7bEvan Hunt isc_event_t ctlevent;

9c03f13e18c1b0c32f62391a17300378605bbc7bEvan Hunt dns_ssutable_t *ssutable;

9c03f13e18c1b0c32f62391a17300378605bbc7bEvan Hunt dns_view_t *view;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews};

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_FLAG(z,f) (((z)->flags & (f)) != 0)

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews /* XXX MPA these may need to go back into zone.h */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_REFRESH 0x00000001U /* refresh check in progress */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_NEEDDUMP 0x00000002U /* zone need consolidation */

9bd876a683709be588f6fac6781a76fdd57b2f08Mark Andrews#define DNS_ZONE_F_SERVERS 0x00000004U /* servers check in progress */

9bd876a683709be588f6fac6781a76fdd57b2f08Mark Andrews#define DNS_ZONE_F_PARENTS 0x00000008U /* parents check in progress */

9bd876a683709be588f6fac6781a76fdd57b2f08Mark Andrews#define DNS_ZONE_F_CHILDREN 0x00000010U /* child check in progress */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_LOADED 0x00000020U /* database has loaded */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_EXITING 0x00000040U /* zone is being destroyed */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_EXPIRED 0x00000080U /* zone has expired */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_NEEDREFRESH 0x00000100U /* refresh check needed */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_F_UPTODATE 0x00000200U /* zone contents are

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews#define DNS_ZONE_OPTION(z,o) ((((z)->setoptions & (o)) != 0) ? \

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews (((z)->options & (o)) != 0) : \

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews DNS_GLOBAL_OPTION(o))

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrewsstruct dns_zonemgr {

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_mem_t * mctx;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_taskmgr_t * taskmgr;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_timermgr_t * timermgr;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_socketmgr_t * socketmgr;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_taskpool_t * zonetasks;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_task_t * task;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_rwlock_t rwlock;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_rwlock_t conflock;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews /* Locked by rwlock. */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews ISC_LIST(dns_zone_t) zones;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews /* Maximum locked by conflock. */

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews isc_quota_t transfersin;

d96f74a3cb6212ac9e4a7a0fa8924f850348eae9Mark Andrews};

94b166ffa58ef0ff263563c0550d0b30eb9f7772David Lawrence

87983da955bf63128de85d180359bdc418516c3cDavid Lawrencestatic isc_result_t zone_settimer(dns_zone_t *, isc_stdtime_t);

87983da955bf63128de85d180359bdc418516c3cDavid Lawrencestatic void cancel_refresh(dns_zone_t *);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrencestatic isc_result_t dns_notify(dns_name_t *, isc_sockaddr_t *, dns_rdatatype_t,

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_rdataclass_t, isc_sockaddr_t *, isc_mem_t *);

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrencestatic void zone_log(dns_zone_t *zone, const char *, int, const char *msg,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington ...);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellingtonextern void dns_zone_transfer_in(dns_zone_t *zone);

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellingtonstatic isc_result_t dns_zone_tostr(dns_zone_t *zone, isc_mem_t *mctx,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews char **s);

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellingtonstatic void unload(dns_zone_t *zone);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic void expire(dns_zone_t *zone);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic isc_result_t replacedb(dns_zone_t *zone, dns_db_t *db,

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews isc_boolean_t dump);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic isc_result_t default_journal(dns_zone_t *zone);

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updaterstatic void releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic void xfrin_start_temporary_kludge(dns_zone_t *zone);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic void xfrdone(dns_zone_t *zone, isc_result_t result);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic void zone_shutdown(isc_task_t *, isc_event_t *);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews#if 0

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsstatic void dns_zonemgr_dbdestroyed(isc_task_t *task, isc_event_t *event);

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellington#endif

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellington

b493dfe8bce94b05efc0f161238d32f1234c5670Brian Wellington#ifdef notyet

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellingtonstatic void refresh_callback(isc_task_t *, isc_event_t *);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonstatic void soa_query(dns_zone_t *, isc_taskaction_t);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonstatic void checkservers_callback(isc_task_t *task, isc_event_t *event);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonstatic int message_count(dns_message_t *msg, dns_section_t section,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_rdatatype_t type);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonstatic void add_address_tocheck(dns_message_t *msg,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_zone_checkservers_t *checkservers,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_rdatatype_t type);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonstatic void record_serial(void);

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington#endif

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews#define PRINT_ZONE_REF(zone) \

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews do { \

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews char *s = NULL; \

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews isc_result_t r; \

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews r = dns_zone_tostr(zone, zone->mctx, &s); \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (r == DNS_R_SUCCESS) { \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington printf("%p: %s: erefs = %d\n", zone, s, \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->erefs); \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_mem_free(zone->mctx, s); \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington } \

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington } while (0)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington#define DNS_ENTER zone_log(zone, me, ISC_LOG_DEBUG(10), "enter")

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington#define DNS_LEAVE zone_log(zone, me, ISC_LOG_DEBUG(10), "leave")

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrewsdns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews isc_result_t result;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_zone_t *zone;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews isc_sockaddr_t sockaddr_any4;

287910778c57d4836a52b03b697c2ef342d0eaa9Francis Dupont isc_sockaddr_t sockaddr_any6;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews struct in_addr in4addr_any;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington REQUIRE(zonep != NULL && *zonep == NULL);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington REQUIRE(mctx != NULL);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington in4addr_any.s_addr = htonl(INADDR_ANY);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_sockaddr_fromin(&sockaddr_any4, &in4addr_any, 0);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence isc_sockaddr_fromin6(&sockaddr_any6, &in6addr_any, 0);

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt zone = isc_mem_get(mctx, sizeof *zone);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence if (zone == NULL)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington return (DNS_R_NOMEMORY);

a2b15b3305acd52179e6f3dc7d073b07fbc40b8eMark Andrews

a2b15b3305acd52179e6f3dc7d073b07fbc40b8eMark Andrews result = isc_mutex_init(&zone->lock);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (result != ISC_R_SUCCESS) {

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_mem_put(mctx, zone, sizeof *zone);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington "isc_mutex_init() failed: %s",

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_result_totext(result));

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington return (DNS_R_UNEXPECTED);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington }

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington /* XXX MPA check that all elements are initialised */

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->mctx = mctx;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington zone->top = NULL;

927e4c9fecf448bf3894c68fcaf9dc2f89557f3aEvan Hunt zone->zmgr = NULL;

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt ISC_LINK_INIT(zone, link);

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt zone->erefs = 1; /* Implicit attach. */

927e4c9fecf448bf3894c68fcaf9dc2f89557f3aEvan Hunt zone->irefs = 0;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington zone->shuttingdown = ISC_FALSE;

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington dns_name_init(&zone->origin, NULL);

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington zone->database = NULL;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->journalsize = -1;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->journal = NULL;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->rdclass = dns_rdataclass_none;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->type = dns_zone_none;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->flags = 0;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->options = 0;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->setoptions = 0;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->db_type = NULL;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->db_argc = 0;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt zone->db_argv = NULL;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->expiretime = 0;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->refreshtime = 0;

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews zone->dumptime = 0;

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews zone->servertime = 0;

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews zone->parenttime = 0;

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews zone->childtime = 0;

f07fe5a1ac9d1345eb7a36a0bc38716a03e25f61Mark Andrews zone->serial = 0;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->refresh = DEFAULT_REFRESH;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->retry = DEFAULT_RETRY;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->expire = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->minimum = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->masters = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->masterscnt = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->masterport = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->curmaster = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->notify = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->notifycnt = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->task = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->update_acl = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->query_acl = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->xfr_acl = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->check_names = dns_severity_ignore;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->fetch = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->res = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->socketmgr = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->timer = NULL;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->idlein = DNS_DEFAULT_IDLEIN;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->idleout = DNS_DEFAULT_IDLEOUT;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews ISC_LIST_INIT(zone->checkservers);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->xfrsource4 = sockaddr_any4;

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt zone->xfrsource6 = sockaddr_any6;

bcae9a15c1e9c50a6e6433168d5225b1de89d6b9Evan Hunt zone->xfr = NULL;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->maxxfrin = MAX_XFER_TIME;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->maxxfrout = MAX_XFER_TIME;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->diff_on_reload = ISC_FALSE;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->ssutable = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->view = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->magic = ZONE_MAGIC;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews ISC_EVENT_INIT(&zone->ctlevent, sizeof(zone->ctlevent), 0, NULL,

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews DNS_EVENT_ZONECONTROL, zone_shutdown, zone, zone,

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt NULL, NULL);

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt *zonep = zone;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews return (DNS_R_SUCCESS);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews}

a2b15b3305acd52179e6f3dc7d073b07fbc40b8eMark Andrews

a2b15b3305acd52179e6f3dc7d073b07fbc40b8eMark Andrewsstatic void

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrewszone_free(dns_zone_t *zone) {

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews LOCK(&zone->lock);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews REQUIRE(zone->erefs == 0);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->flags |= DNS_ZONE_F_EXITING;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews UNLOCK(&zone->lock);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews /* managed objects */

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews /* order is important */

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (DNS_ZONE_FLAG(zone, DNS_ZONE_F_REFRESH))

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews cancel_refresh(zone);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->timer != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews isc_timer_detach(&zone->timer);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->res != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_resolver_detach(&zone->res);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->fetch != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_resolver_destroyfetch(&zone->fetch);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->task != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews isc_task_detach(&zone->task);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt if (zone->socketmgr != NULL)

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt isc_socketmgr_destroy(&zone->socketmgr);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt if (zone->zmgr)

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt dns_zonemgr_releasezone(zone->zmgr, zone);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt /* unmanaged objects */

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt if (zone->database != NULL)

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt isc_mem_free(zone->mctx, zone->database);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt zone->database = NULL;

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt zone->journalsize = -1;

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt if (zone->journal != NULL)

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt isc_mem_free(zone->mctx, zone->journal);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt zone->journal = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->db_type != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews isc_mem_free(zone->mctx, zone->db_type);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->db_type = NULL;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->top != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_db_detach(&zone->top);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_zone_cleardbargs(zone);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_zone_clearmasters(zone);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->masterport = 0;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_zone_clearnotify(zone);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews zone->check_names = dns_severity_ignore;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->update_acl != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_acl_detach(&zone->update_acl);

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews if (zone->query_acl != NULL)

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews dns_acl_detach(&zone->query_acl);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (zone->xfr_acl != NULL)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_acl_detach(&zone->xfr_acl);

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrews if (dns_name_dynamic(&zone->origin))

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_name_free(&zone->origin, zone->mctx);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (zone->ssutable != NULL)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington dns_ssutable_destroy(&zone->ssutable);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington /* last stuff */

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_mutex_destroy(&zone->lock);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->magic = 0;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_mem_put(zone->mctx, zone, sizeof *zone);

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington}

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrewsdns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass) {

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

420e5e1022ff5ca4697ed5286462eeaf03614e53Brian Wellington REQUIRE(rdclass != dns_rdataclass_none);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

420e5e1022ff5ca4697ed5286462eeaf03614e53Brian Wellington /* test and set */

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrews LOCK(&zone->lock);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington REQUIRE(zone->rdclass == dns_rdataclass_none ||

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington zone->rdclass == rdclass);

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrews zone->rdclass = rdclass;

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington UNLOCK(&zone->lock);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington}

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrewsdns_zone_getclass(dns_zone_t *zone){

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington REQUIRE(DNS_ZONE_VALID(zone));

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington return (zone->rdclass);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington}

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Huntdns_zone_settype(dns_zone_t *zone, dns_zonetype_t type) {

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt REQUIRE(DNS_ZONE_VALID(zone));

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt REQUIRE(type != dns_zone_none);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt /* test and set */

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt LOCK(&zone->lock);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt REQUIRE(zone->type == dns_zone_none || zone->type == type);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt zone->type = type;

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt UNLOCK(&zone->lock);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington}

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtondns_zone_setdbtype(dns_zone_t *zone, char *db_type) {

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_result_t result = DNS_R_SUCCESS;

72ddc4cef9c6a6de53aae530dea1ddbb90631131Mark Andrews

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington REQUIRE(DNS_ZONE_VALID(zone));

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington LOCK(&zone->lock);

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington if (zone->db_type != NULL)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington isc_mem_free(zone->mctx, zone->db_type);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone->db_type = isc_mem_strdup(zone->mctx, db_type);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (zone->db_type == NULL)

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington result = DNS_R_NOMEMORY;

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington UNLOCK(&zone->lock);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington return (result);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews}

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellingtonvoid dns_zone_setview(dns_zone_t *zone, dns_view_t *view) {

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington zone->view = view;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence}

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

73a691c373488e4f70387a62462cd8ce0d991705David Lawrencedns_view_t *dns_zone_getview(dns_zone_t *zone) {

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence return (zone->view);

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews}

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrewsdns_zone_setorigin(dns_zone_t *zone, dns_name_t *origin) {

4423c99613db1399dbb5c51e86ef0d351a1418c2Mark Andrews isc_result_t result;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

240e53b13217af266abb3dae8ba103614daf2bf7Mark Andrews REQUIRE(origin != NULL);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews LOCK(&zone->lock);

240e53b13217af266abb3dae8ba103614daf2bf7Mark Andrews if (dns_name_dynamic(&zone->origin)) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_name_free(&zone->origin, zone->mctx);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_name_init(&zone->origin, NULL);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews result = dns_name_dup(origin, zone->mctx, &zone->origin);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington UNLOCK(&zone->lock);

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington return (result);

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington}

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellingtondns_zone_setdatabase(dns_zone_t *zone, const char *database) {

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington isc_result_t result = DNS_R_SUCCESS;

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington REQUIRE(DNS_ZONE_VALID(zone));

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington REQUIRE(database != NULL);

bcdf37e0ff7d73310b7bf247d755194a5718ba38Mark Andrews

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington LOCK(&zone->lock);

b6b9d8b8434e4eaab74b69cd14fcacf448055ca5Brian Wellington if (zone->database != NULL)

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence isc_mem_free(zone->mctx, zone->database);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone->database = isc_mem_strdup(zone->mctx, database);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (zone->database == NULL)

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence result = DNS_R_NOMEMORY;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence else

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence result = default_journal(zone);

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews UNLOCK(&zone->lock);

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews return (result);

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews}

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrewsstatic isc_result_t

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrewsdefault_journal(dns_zone_t *zone) {

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews int len;

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews REQUIRE(zone->database != NULL);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews if (zone->journal != NULL)

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews isc_mem_free(zone->mctx, zone->journal);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews len = strlen(zone->database) + sizeof ".jnl"; /* includes '\0' */

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt zone->journal = isc_mem_allocate(zone->mctx, len);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (zone->journal == NULL)

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews return (DNS_R_NOMEMORY);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews strcpy(zone->journal, zone->database);

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews strcat(zone->journal, ".jnl");

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence return (DNS_R_SUCCESS);

504f7802d4c9b43db4820f496c4d00e078effa18David Lawrence}

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

73a691c373488e4f70387a62462cd8ce0d991705David Lawrencedns_zone_setjournal(dns_zone_t *zone, const char *journal) {

17a00ff54c51f6bdfddd7d9ceaef6f2dcf387cc1Mark Andrews isc_result_t result = DNS_R_SUCCESS;

17a00ff54c51f6bdfddd7d9ceaef6f2dcf387cc1Mark Andrews

17a00ff54c51f6bdfddd7d9ceaef6f2dcf387cc1Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

504f7802d4c9b43db4820f496c4d00e078effa18David Lawrence REQUIRE(journal != NULL);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews LOCK(&zone->lock);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (zone->journal != NULL)

4144efb39046963989ad002cf88a0c195401100aJeremy Reed isc_mem_free(zone->mctx, zone->journal);

4144efb39046963989ad002cf88a0c195401100aJeremy Reed zone->journal = isc_mem_strdup(zone->mctx, journal);

4144efb39046963989ad002cf88a0c195401100aJeremy Reed if (zone->journal == NULL)

4144efb39046963989ad002cf88a0c195401100aJeremy Reed result = DNS_R_NOMEMORY;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence UNLOCK(&zone->lock);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence return (result);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence}

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

73a691c373488e4f70387a62462cd8ce0d991705David Lawrencechar *

73a691c373488e4f70387a62462cd8ce0d991705David Lawrencedns_zone_getjournal(dns_zone_t *zone) {

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

0a77211c806fa84fd66638b5cccf550c7cd7760dAndreas Gustafsson return (zone->journal);

0a77211c806fa84fd66638b5cccf550c7cd7760dAndreas Gustafsson}

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrewsdns_zone_validate(dns_zone_t *zone) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(dns_name_countlabels(&zone->origin) != 0);

0a77211c806fa84fd66638b5cccf550c7cd7760dAndreas Gustafsson REQUIRE(zone->type != dns_zone_none);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews switch (zone->rdclass) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_master:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_slave:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_stub:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_hint:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->database != NULL);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews /*FALLTHROUGH*/

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_forward:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->rdclass != dns_rdataclass_none);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews break;

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson case dns_zone_cache:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->rdclass == dns_rdataclass_none);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->database == NULL);

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater break;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->db_type != NULL);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews}

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrewsdns_zone_load(dns_zone_t *zone) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews const char me[] = "dns_zone_load";

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews int soacount = 0;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews int nscount = 0;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews isc_result_t result;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_dbnode_t *node = NULL;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_dbversion_t *version = NULL;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_rdataset_t rdataset;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews isc_boolean_t cache = ISC_FALSE;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_rdata_soa_t soa;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_rdata_t rdata;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews isc_stdtime_t now;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_db_t *db = NULL;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews LOCK(&zone->lock);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews isc_stdtime_get(&now);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews switch (zone->type) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_forward:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_none:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews result = DNS_R_SUCCESS;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews goto cleanup;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_master:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_slave:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_stub:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_hint:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews cache = ISC_FALSE;

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater break;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews case dns_zone_cache:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews cache = ISC_TRUE;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews break;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews default:

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews INSIST("bad zone type" == NULL);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(zone->database != NULL);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews result = dns_db_create(zone->mctx, zone->db_type,

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews &zone->origin,

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews cache, zone->rdclass,

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone->db_argc, zone->db_argv, &db);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (result != DNS_R_SUCCESS)

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews goto cleanup;

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt result = dns_db_load(db, zone->database);

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt /*

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt if (result != DNS_R_SUCCESS) {

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt if (zone->type == dns_zone_slave) {

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt zone_log(zone, me, ISC_LOG_INFO,

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt "no database file");

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt result = ISC_R_SUCCESS;

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt } else {

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt zone_log(zone, me, ISC_LOG_ERROR,

4eb998928b9aef0ceda42d7529980d658138698aEvan Hunt "database %s: dns_db_load failed: %s",

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone->database, dns_result_totext(result));

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews goto cleanup;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews /*

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (zone->journal != NULL) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews result = dns_journal_rollforward(zone->mctx, db, zone->journal);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (result != DNS_R_SUCCESS && result != DNS_R_NOTFOUND &&

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews result != DNS_R_UPTODATE && result != DNS_R_NOJOURNAL)

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews goto cleanup;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews if (result == DNS_R_NOTFOUND) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone_log(zone, me, ISC_LOG_ERROR,

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews "journal out of sync with zone");

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson goto cleanup;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone_log(zone, me, ISC_LOG_DEBUG(1),

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews "dns_journal_rollforward: %s",

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_result_totext(result));

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews if (result == DNS_R_SUCCESS)

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone->flags |= DNS_ZONE_F_NEEDDUMP;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews /*

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews nscount = 0;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews soacount = 0;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_db_currentversion(db, &version);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_db_findnode(db, &zone->origin, ISC_FALSE, &node);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews if (result == DNS_R_SUCCESS) {

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdataset_init(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_db_findrdataset(db, node, version,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_rdatatype_ns,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdatatype_none, 0, &rdataset,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews NULL);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews if (result == DNS_R_SUCCESS) {

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrews result = dns_rdataset_first(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews while (result == DNS_R_SUCCESS) {

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews nscount++;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_rdataset_next(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews }

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdataset_disassociate(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews }

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_db_findrdataset(db, node, version,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdatatype_soa,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdatatype_none, 0, &rdataset,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews NULL);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews if (result == DNS_R_SUCCESS) {

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_rdataset_first(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews while (result == DNS_R_SUCCESS) {

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdataset_current(&rdataset, &rdata);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews if (soacount == 0)

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater dns_rdata_tostruct(&rdata, &soa,

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews zone->mctx);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews soacount++;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews result = dns_rdataset_next(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews }

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdataset_disassociate(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews }

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_rdataset_invalidate(&rdataset);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews }

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_db_detachnode(db, &node);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews dns_db_closeversion(db, &version, ISC_FALSE);

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews /*

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews switch (zone->type) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews case dns_zone_master:

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews case dns_zone_slave:

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews case dns_zone_stub:

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (soacount != 1 || nscount == 0) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (soacount != 1)

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone_log(zone, me, ISC_LOG_ERROR,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews "has %d SOA record%s", soacount,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews (soacount != 0) ? "s" : "");

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (nscount == 0)

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone_log(zone, me, ISC_LOG_ERROR,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews "no NS records");

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews result = DNS_R_BADZONE;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews goto cleanup;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (zone->top != NULL) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (!isc_serial_ge(soa.serial, zone->serial)) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone_log(zone, me, ISC_LOG_ERROR,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews "zone serial has gone backwards");

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->serial = soa.serial;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->refresh = RANGE(soa.refresh, DNS_MIN_REFRESH,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews DNS_MAX_REFRESH);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->retry = RANGE(soa.retry, DNS_MIN_REFRESH,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews DNS_MAX_REFRESH);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->expire = RANGE(soa.expire, zone->refresh + zone->retry,

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews DNS_MAX_EXPIRE);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->minimum = soa.minimum;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (zone->type == dns_zone_slave ||

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->type == dns_zone_stub) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews /* XXX need database modification time */

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->expiretime = now /*XXX*/ + zone->expire;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews zone->refreshtime = now /*XXX*/;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews break;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence case dns_zone_hint:

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence if (nscount == 0) {

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence zone_log(zone, me, ISC_LOG_ERROR, "no NS records");

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence result = DNS_R_BADZONE;

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence goto cleanup;

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt }

4716e94840921878b26e493576f84afe4fe08752Mark Andrews break;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington case dns_zone_cache:

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington break;

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington default:

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington "unexpected zone type %d", zone->type);

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington result = DNS_R_UNEXPECTED;

30a4d5b0c23eb7a73d9635a98250560437a42d59David Lawrence goto cleanup;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews }

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson#if 0

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence /* destroy notification example. */

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson {

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence isc_event_t *e = isc_event_allocate(zone->mctx, NULL,

bfafdac0616107ff32389532e7040567cd84b8aaBrian Wellington DNS_EVENT_DBDESTROYED,

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_zonemgr_dbdestroyed,

e851ea826066ac5a5b01c2c23218faa0273a12e8Evan Hunt zone,

bfafdac0616107ff32389532e7040567cd84b8aaBrian Wellington sizeof(isc_event_t));

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_db_ondestroy(db, zone->task, &e);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews }

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews#endif

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (zone->top != NULL) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews result = replacedb(zone, db, ISC_FALSE);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (result != ISC_R_SUCCESS)

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson goto cleanup;

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson } else {

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson dns_db_attach(db, &zone->top);

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews zone->flags |= DNS_ZONE_F_LOADED;

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews }

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews result = ISC_R_SUCCESS;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt

94b50bce2b5deeac93734457d5474736d7b76af1Michael Sawyer cleanup:

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence UNLOCK(&zone->lock);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (soacount != 0)

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_rdata_freestruct(&soa);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews if (db != NULL)

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_db_detach(&db);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews return (result);

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews}

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews#ifdef notyet

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrewsdns_zone_checkservers(dns_zone_t *zone) {

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_name_t *zonename;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews unsigned int i;

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence dns_zone_checkservers_t *checkservers;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_rdataset_t rdataset;

4144efb39046963989ad002cf88a0c195401100aJeremy Reed dns_rdata_t rdata;

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence dns_dbnode_t *node = NULL;

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence dns_dbversion_t *version = NULL;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews isc_result_t result;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_rdata_ns_t ns;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews REQUIRE(DNS_ZONE_VALID(zone));

5096958739769958dd7a6b69356bf41260033873David Lawrence /* XXX MPA */

b39ad8a69bc2859b99c9f5a63d916789b566e470Andreas Gustafsson

5096958739769958dd7a6b69356bf41260033873David Lawrence /*

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence zonename = &zone->origin;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_db_currentversion(zone->top, &version);

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence result = dns_db_findnode(zone->top, zonename, ISC_FALSE, &node);

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington if (result == DNS_R_SUCCESS) {

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews dns_rdataset_init(&rdataset);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence result = dns_db_findrdataset(zone->top, node, version,

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_rdatatype_ns,

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_rdatatype_none, 0, &rdataset,

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence NULL);

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt if (result == DNS_R_SUCCESS) {

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt result = dns_rdataset_first(&rdataset);

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt while (result == DNS_R_SUCCESS) {

e7c0d42b11358f08e04316d31c67c23261dcdf36Evan Hunt dns_rdataset_current(&rdataset, &rdata);

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt result = dns_rdata_tostruct(&rdata, &ns, zone->mctx);

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt if (result != DNS_R_SUCCESS)

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt continue;

9e804040a29b9c3066c8471b43835f30707039b7Evan Hunt checkservers = isc_mem_get(zone->mctx,

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence sizeof *checkservers);

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence if (checkservers == NULL)

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence break;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews dns_name_init(&checkservers->server, NULL);

94b50bce2b5deeac93734457d5474736d7b76af1Michael Sawyer dns_name_dup(&ns.name, zone->mctx,

30a4d5b0c23eb7a73d9635a98250560437a42d59David Lawrence &checkservers->server);

30a4d5b0c23eb7a73d9635a98250560437a42d59David Lawrence checkservers->name_known = ISC_TRUE;

c4f9e613e12f03795bee18cf2ca8e6a9d39d6468Mark Andrews checkservers->state = get_a; /* XXXMPA */

3734f3f1bad4160cdd7563bc4801bca7e82f8abdDavid Lawrence dns_zone_attach(zone, &checkservers->zone);

3734f3f1bad4160cdd7563bc4801bca7e82f8abdDavid Lawrence checkservers->mctx = zone->mctx;

3734f3f1bad4160cdd7563bc4801bca7e82f8abdDavid Lawrence dns_resolver_attach(zone->res, &checkservers->res);

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater checkservers->fetch = NULL;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence ISC_LINK_INIT(checkservers, link);

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews checkservers->magic = CHECKSERVERS_MAGIC;

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews /* XXX lookup A/AAAA/A6 records */

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews result = dns_rdataset_next(&rdataset);

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews }

47c5b8af920a93763c97d9a93ea1fd766961a5b3Evan Hunt }

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews dns_rdataset_disassociate(&rdataset);

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence dns_rdataset_invalidate(&rdataset);

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence }

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_db_detachnode(zone->top, &node);

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews dns_db_closeversion(zone->top, &version, ISC_FALSE);

0f8c9b5eed7e8714ceb7d6d3675555df9c5f6350Mark Andrews

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater /*

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt /*

1d16cf8bb8596c3e4dc1123a5bdf360bf24a272bAutomatic Updater LOCK(&zone->lock);

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington for (i = 0 ; i < zone->notifycnt; i++) {

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington checkservers = isc_mem_get(zone->mctx, sizeof *checkservers);

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington if (checkservers == NULL)

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence break;

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt dns_name_init(&checkservers->server, NULL);

d7ba3622ffa20c653ef6c8cfae42d8cd26465b7fBrian Wellington checkservers->name_known = ISC_FALSE;

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington checkservers->state = get_ns;

3db78e0855a8dfc162180880cd70d9c1a03d9301David Lawrence checkservers->address = zone->notify[i];

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_zone_attach(zone, &checkservers->zone);

6dc32b43da2c7af5bf460a45a17d03226c162c91Michael Sawyer checkservers->mctx = zone->mctx;

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt dns_resolver_attach(zone->res, &checkservers->res);

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt checkservers->fetch = NULL;

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt ISC_LINK_INIT(checkservers, link);

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson checkservers->magic = CHECKSERVERS_MAGIC;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson ISC_LIST_APPEND(zone->checkservers, checkservers, link);

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_resolver_createfetch(zone->res, zonename, dns_rdatatype_ns,

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson NULL, NULL, NULL,

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson DNS_FETCHOPT_UNSHARED,

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson zone->task, checkservers_callback,

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson checkservers, &checkservers->fetch);

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson }

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson UNLOCK(&zone->lock);

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt}

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson#endif

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson#ifdef notyet

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafssonstatic void

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafssoncheckservers_callback(isc_task_t *task, isc_event_t *event) {

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson const char me[] = "checkservers_callback";

e851ea826066ac5a5b01c2c23218faa0273a12e8Evan Hunt dns_fetchdoneevent_t *devent = (dns_fetchdoneevent_t *)event;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_zone_checkservers_t *checkservers = event->arg;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_zone_state_t state;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_zone_t *zone;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_name_t *name;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson isc_mem_t *mctx;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson isc_sockaddr_t *address;

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson dns_resolver_t *res;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence dns_message_t *msg;

326bcfa0e2a6b924cb829a0bcc3bf9590ce21ad6Mark Andrews

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence REQUIRE(DNS_CHECKSERVERS_VALID(checkservers));

e4cd5a1e5d0358abeee7618b02b4592c055d957fBrian Wellington state = checkservers->state;

73a691c373488e4f70387a62462cd8ce0d991705David Lawrence zone = checkservers->zone;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence name = &checkservers->server;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews address = &checkservers->address;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews mctx = checkservers->mctx;

7389e8330d62a059b8923fb8ca6f933caeb559d9Mark Andrews res = checkservers->res;

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt

984ca288f1291c7b7bda9b3809a7af714e3ec82aAndreas Gustafsson task = task; /* unused */

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson if (devent->result != DNS_R_SUCCESS) {

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson /* timeout */

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence switch (state) {

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington case get_a6:

2ba574f329c14376d26d7c0f22c89d7a978a2625Mark Andrews case get_aaaa:

ff2add63ae297d3c0f925f7479aefc15fd9aec31David Lawrence case get_a:

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington zone_log(zone, me, ISC_LOG_INFO,

ff2add63ae297d3c0f925f7479aefc15fd9aec31David Lawrence "unable to obtain address for (%s)");

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington break;

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington case get_ns:

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington case get_soa:

ff2add63ae297d3c0f925f7479aefc15fd9aec31David Lawrence zone_log(zone, me, ISC_LOG_INFO,

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington "unable to obtain %s RRset from %s"

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington );

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington }

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt goto cleanup;

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington }

71ca6e64b4d208a090d255eb64c24f945e615ea0Brian Wellington

d32b13e0be7f01020365c83a0bd36483ace4d7c3Mark Andrews msg = NULL;

d32b13e0be7f01020365c83a0bd36483ace4d7c3Mark Andrews dns_resolver_getanswer(event, &msg);

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt

e32d354f754a5d7847a0862bcd6302827ea225bfEvan Hunt

8f66dad9393ae0724f758c4a51e06ff55c2d1219Brian Wellington switch (state) {

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt case get_a6:

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence add_address_tocheck(msg, checkservers, dns_rdatatype_a6);

11463c0ac24692e229ec87f307f5e7df3c0a7e10Evan Hunt dns_resolver_createfetch(res, name, dns_rdatatype_aaaa,

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence NULL, NULL, NULL, 0, zone->task,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington checkservers_callback,

1d92d8a2456b23842a649b6104c60a9d6ea25333Brian Wellington checkservers, &checkservers->fetch);

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence checkservers->state = get_aaaa;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence break;

20bd7b4bbf2437ef2f9109edca168ab0ce8445b3David Lawrence case get_aaaa:

add_address_tocheck(msg, checkservers, dns_rdatatype_a6);

dns_resolver_createfetch(res, name, dns_rdatatype_a,

NULL, NULL, NULL, 0, zone->task,

checkservers_callback,

checkservers, &checkservers->fetch);

checkservers->state = get_a;

break;

case get_a:

add_address_tocheck(msg, checkservers, dns_rdatatype_a);

/* make NS query to address */

dns_resolver_createfetch(res, name, dns_rdatatype_ns,

NULL, NULL, NULL,

DNS_FETCHOPT_UNSHARED,

zone->task, checkservers_callback,

checkservers, &checkservers->fetch);

checkservers->state = get_ns;

break;

case get_ns:

case get_soa:

if (msg->rcode != dns_rcode_noerror) {

char rcode[128];

isc_buffer_t rb;

isc_buffer_init(&rb, rcode, sizeof rcode,

ISC_BUFFERTYPE_TEXT);

dns_rcode_totext(msg->rcode, &rb);

zone_log(zone, me, ISC_LOG_INFO,

"server %s (%s) unexpected rcode = %.*s",

rb.used, rcode);

break;

}

if (msg->counts[DNS_SECTION_ANSWER] == 0) {

if (referral(msg))

zone_log(zone, me, ISC_LOG_INFO,

"server %s (%s) referral response");

else

zone_log(zone, me, ISC_LOG_INFO,

"server %s (%s) type = %s NODATA response");

}

if ((msg->flags & DNS_MESSAGEFLAG_AA) == 0) {

zone_log(zone,�me, ISC_LOG_INFO,

"server %s (%s) not authorative");

}

if (state == get_ns) {

/* compare NS RR sets */

/* make soa query to address */

dns_resolver_createfetch(res, name, dns_rdatatype_soa,

NULL, NULL, NULL,

DNS_FETCHOPT_UNSHARED,

zone->task,

checkservers_callback,

checkservers,

&checkservers->fetch);

checkservers->state = get_soa;

break;

} else {

/* compare SOA RR sets */

goto cleanup;

}

break;

default:

UNEXPECTED_ERROR(__FILE__, __LINE__, "unexpected state");

break;

}

isc_event_free(&event);

return;

cleanup:

isc_event_free(&event);

ISC_LIST_UNLINK(zone->checkservers, checkservers, link);

checkservers->magic = 0;

dns_zone_detach(&checkservers->zone);

isc_mem_put(mctx, checkservers, sizeof *checkservers);

}

#endif

#if 0

static void

cmp_soa(dns_message_t *msg, dns_zone_t *zone, char *server) {

dns_rdata_soa_t msgsoa, zonesoa;

isc_result_t result;

dns_rdataset_t *rdataset = NULL;

dns_rdataset_t zonerdataset;

dns_rdata_t rdata;

dns_rdata_init(&rdata);

/*

result = dns_message_findname(msg, DNS_SECTION_ANSWER,

&zone->origin,

dns_rdatatype_soa,

dns_rdatatype_none, NULL, &rdataset);

if (result != DNS_R_SUCCESS) {

zone_log(zone, me, ISC_LOG_INFO,

"Unable to extract SOA from answer: %s", server);

return;

}

result = dns_rdataset_first(rdataset);

if (DNS_R_SUCCESS != result)

return;

dns_rdataset_current(rdataset, &rdata);

result = dns_rdata_tostruct(&rdata, &msgsoa, zone->mctx);

if (DNS_R_SUCCESS != result)

return;

result = dns_rdataset_next(rdataset);

if (DNS_R_NOMORE != result) {

zone_log(zone, me, ISC_LOG_INFO,

"More that one SOA record returned: %s", server);

goto cleanup_msgsoa;

}

/*

dns_rdataset_init(&zonerdataset);

LOCK(&zone->lock);

result = dns_db_find(zone->top, &zone->origin,

NULL, dns_rdatatype_soa, dns_rdatatype_none,

0, 0, NULL, NULL, &zonerdataset);

UNLOCK(&zone->lock);

if (result != DNS_R_SUCCESS) {

/* XXXMPA */

goto cleanup_msgsoa;

}

result = dns_rdataset_first(&zonerdataset);

if (DNS_R_SUCCESS != result)

return;

dns_rdataset_current(&zonerdataset, &rdata);

result = dns_rdata_tostruct(&rdata, &msgsoa, zone->mctx);

if (DNS_R_SUCCESS != result)

return;

result = dns_rdataset_next(&zonerdataset);

if (DNS_R_NOMORE != result) {

zone_log(zone, me, ISC_LOG_INFO, "More than one SOA in zone");

goto cleanup_msgsoa;

}

dns_rdataset_disassociate(&zonerdataset);

/*

if (msgsoa.serial != zonesoa.serial) {

if (!isc_serial_lt(msgsoa.serial, zonesoa.serial)) {

zone_log(zone, me, ISC_LOG_INFO,

"slave serial not less than or equal to zone serial: %s",

server);

goto cleanup_zonesoa;

}

record_serial();

goto cleanup_zonesoa;

}

if (msgsoa.refresh != zonesoa.refresh ||

msgsoa.retry != zonesoa.retry ||

msgsoa.expire != zonesoa.expire ||

msgsoa.minimum != zonesoa.minimum ||

dns_name_compare(&msgsoa.origin, &zonesoa.origin) != 0 ||

dns_name_compare(&msgsoa.mname, &zonesoa.mname) != 0) {

zone_log(zone, me, ISC_LOG_INFO, "SOA contents differ: %s",

server);

}

cleanup_zonesoa:

dns_rdata_freestruct(&zonesoa);

cleanup_msgsoa:

dns_rdata_freestruct(&msgsoa);

}

#endif

#ifdef notyet

static void

add_address_tocheck(dns_message_t *msg, dns_zone_checkservers_t *checkservers,

dns_rdatatype_t type)

{

dns_rdataset_t *rdataset = NULL;

isc_result_t result;

isc_sockaddr_t sockaddr;

dns_rdata_in_a_t a;

dns_rdata_in_a6_t a6;

dns_rdata_t rdata;

if (msg->rcode != dns_rcode_noerror)

return;

if (msg->counts[DNS_SECTION_QUESTION] != 0 ||

dns_message_findname(msg, DNS_SECTION_QUESTION,

&checkservers->server,

type, dns_rdatatype_none,

NULL, &rdataset) != DNS_R_SUCCESS)

return;

result = dns_rdataset_first(rdataset);

while (DNS_R_SUCCESS == result) {

dns_rdataset_current(rdataset, &rdata);

switch (type) {

case dns_rdatatype_a:

result = dns_rdata_tostruct(&rdata, &a,

checkservers->mctx);

isc_sockaddr_fromin(&sockaddr, &a.in_addr, 0);

dns_rdata_freestruct(&a);

break;

case dns_rdatatype_a6:

result = dns_rdata_tostruct(&rdata, &a6,

checkservers->mctx);

isc_sockaddr_fromin6(&sockaddr, &a6.in6_addr, 0);

dns_rdata_freestruct(&a6);

break;

default:

INSIST(0);

}

result = dns_rdataset_next(rdataset);

}

}

#endif

dns_zone_checkparents(dns_zone_t *zone) {

/* XXX MPA */

REQUIRE(DNS_ZONE_VALID(zone));

/*

/*

}

dns_zone_checkchildren(dns_zone_t *zone) {

/* XXX MPA */

REQUIRE(DNS_ZONE_VALID(zone));

/*

}

dns_zone_checkglue(dns_zone_t *zone) {

/* XXX MPA */

REQUIRE(DNS_ZONE_VALID(zone));

/*

}

static void

exit_check(dns_zone_t *zone)

{

if (zone->irefs == 0 && zone->shuttingdown == ISC_TRUE)

zone_free(zone);

}

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 != 0xffffffffU);

UNLOCK(&source->lock);

*target = source;

}

dns_zone_detach(dns_zone_t **zonep) {

dns_zone_t *zone;