d25afd60ee2286cb171c4960a790f3d7041b6f85Bob Halley

ddfe394c061049bbd71125ad41c3dd3092b2bbfdAndreas Gustafsson

fca5f81ad69098ea8abba130c7f841c951ef91c2Bob Halley#define DUMP_ADB_AFTER_CLEANING

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews#include <config.h>

364a82f7c25b62967678027043425201a5e5171aBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <limits.h>

9192e92f7d0f4e78385a1d5f9b6607cc5bf0e42aBob Halley#include <stdio.h>

3f8be559f0871022c78a229bad0eb09560b90909Evan Hunt#include <string.h>

6d5032f9a23fe1197610114983c9938ac419b20cBrian Wellington

6d5032f9a23fe1197610114983c9938ac419b20cBrian Wellington#include <isc/assertions.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <isc/condition.h>

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence#include <isc/event.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <isc/log.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <isc/magic.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <isc/mutex.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <isc/mutexblock.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <isc/random.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <isc/timer.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <isc/util.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

cee7525336d4710a64368875d92eb439d4d3efb1Mark Andrews#include <dns/a6.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/adb.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/db.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/events.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/fixedname.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/log.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/name.h>

ecb6c5782ea248307e86c4bceac6c371d27576a6David Lawrence#include <dns/rdata.h>

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley#include <dns/rdataset.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <dns/resolver.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <dns/types.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#include <dns/view.h>

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADB_MAGIC 0x44616462 /* Dadb. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADB_VALID(x) ISC_MAGIC_VALID(x, DNS_ADB_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBNAME_MAGIC 0x6164624e /* adbN. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBNAME_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBNAME_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBNAMEHOOK_MAGIC 0x61644e48 /* adNH. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBNAMEHOOK_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBNAMEHOOK_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBZONEINFO_MAGIC 0x6164625a /* adbZ. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBZONEINFO_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBZONEINFO_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBENTRY_MAGIC 0x61646245 /* adbE. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBENTRY_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBENTRY_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBFETCH_MAGIC 0x61644634 /* adF4. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBFETCH_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBFETCH_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBFETCH6_MAGIC 0x61644636 /* adF6. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADBFETCH6_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBFETCH6_MAGIC)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define NBUCKETS 1009 /* how many buckets for names/addrs */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define ADB_CACHE_MINIMUM 10 /* seconds */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define CLEAN_SECONDS (300 / NBUCKETS)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#if CLEAN_SECONDS < 1

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#undef CLEAN_SECONDS

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define CLEAN_SECONDS 1

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#endif

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define FREE_ITEMS 16 /* free count for memory pools */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define FILL_COUNT 8 /* fill count for memory pools */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley#define DNS_ADB_INVALIDBUCKET (-1) /* invalid bucket address */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleytypedef ISC_LIST(dns_adbname_t) dns_adbnamelist_t;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleytypedef struct dns_adbnamehook dns_adbnamehook_t;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleytypedef ISC_LIST(dns_adbnamehook_t) dns_adbnamehooklist_t;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleytypedef struct dns_adbzoneinfo dns_adbzoneinfo_t;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleytypedef ISC_LIST(dns_adbentry_t) dns_adbentrylist_t;

577179503f2eb7695ec668d8eeb41889a150e28fBob Halleytypedef struct dns_adbfetch dns_adbfetch_t;

577179503f2eb7695ec668d8eeb41889a150e28fBob Halleytypedef struct dns_adbfetch6 dns_adbfetch6_t;

577179503f2eb7695ec668d8eeb41889a150e28fBob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halleystruct dns_adb {

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley unsigned int magic;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_mutex_t lock;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_mutex_t ilock;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_mem_t *mctx;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_view_t *view;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_timermgr_t *timermgr;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_timer_t *timer;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_taskmgr_t *taskmgr;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_task_t *task;

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_interval_t tick_interval;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley int next_cleanbucket;

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley unsigned int irefcnt;

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley unsigned int erefcnt;

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mutex_t mplock;

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *nmp; /* dns_adbname_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *nhmp; /* dns_adbnamehook_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *zimp; /* dns_adbzoneinfo_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *emp; /* dns_adbentry_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *ahmp; /* dns_adbfind_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *aimp; /* dns_adbaddrinfo_t */

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley isc_mempool_t *afmp; /* dns_adbfetch_t */

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein isc_mempool_t *af6mp; /* dns_adbfetch6_t */

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley isc_random_t rand;

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley /*

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson dns_adbnamelist_t names[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson isc_mutex_t namelocks[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson isc_boolean_t name_sd[NBUCKETS];

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence unsigned int name_refcnt[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson /*

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson dns_adbentrylist_t entries[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson isc_mutex_t entrylocks[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson isc_boolean_t entry_sd[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson unsigned int entry_refcnt[NBUCKETS];

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence isc_event_t cevent;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_boolean_t cevent_sent;

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence isc_boolean_t shutting_down;

e61793f0865117ad87a19d6e245bea8f3b712d1bDanny Mayer isc_eventlist_t whenshutdown;

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson};

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafssonstruct dns_adbname {

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson unsigned int magic;

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson dns_name_t name;

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson dns_adb_t *adb;

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson unsigned int partial_result;

4755b174df8221dff7e872f21d42b3572a74bf2fAndreas Gustafsson unsigned int flags;

5f120ce962b03e4dcf6f1974b9b896f0fa7cacb0Bob Halley int lock_bucket;

5f120ce962b03e4dcf6f1974b9b896f0fa7cacb0Bob Halley dns_name_t target;

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence isc_stdtime_t expire_target;

e61793f0865117ad87a19d6e245bea8f3b712d1bDanny Mayer isc_stdtime_t expire_v4;

5f120ce962b03e4dcf6f1974b9b896f0fa7cacb0Bob Halley isc_stdtime_t expire_v6;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews unsigned int chains;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews dns_adbnamehooklist_t v4;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews dns_adbnamehooklist_t v6;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_adbfetch_t *fetch_a;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_adbfetch_t *fetch_aaaa;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews ISC_LIST(dns_adbfetch6_t) fetches_a6;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_adbfindlist_t finds;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LINK(dns_adbname_t) plink;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews};

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrewsstruct dns_adbfetch {

030aafe4114875ff659fcf83db6d05846470fb3eMark Andrews unsigned int magic;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_adbnamehook_t *namehook;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_adbentry_t *entry;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_fetch_t *fetch;

6cf369f528c4acd8182eada41ad83b8d97623db8Mark Andrews dns_rdataset_t rdataset;

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence};

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrencestruct dns_adbfetch6 {

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence unsigned int magic;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley unsigned int flags;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_adbnamehook_t *namehook;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbentry_t *entry;

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley dns_fetch_t *fetch;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_rdataset_t rdataset;

6d5032f9a23fe1197610114983c9938ac419b20cBrian Wellington dns_a6context_t a6ctx;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley ISC_LINK(dns_adbfetch6_t) plink;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley};

da527e4ff6a013364826637963e7ac372e024f33David Lawrence

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halleystruct dns_adbnamehook {

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley unsigned int magic;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley dns_adbentry_t *entry;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley ISC_LINK(dns_adbnamehook_t) plink;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley};

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halleystruct dns_adbzoneinfo {

ce3761f64d3d734cc94605026985898900ecc474Bob Halley unsigned int magic;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_name_t zone;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_stdtime_t lame_timer;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley

ce3761f64d3d734cc94605026985898900ecc474Bob Halley ISC_LINK(dns_adbzoneinfo_t) plink;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley};

ee03a00244edc6c823ea11bed16437865b395d5dAndreas Gustafsson

5fc1b54cc6134bd70f4e22df90a2e5631aaea77aBob Halleystruct dns_adbentry {

ce3761f64d3d734cc94605026985898900ecc474Bob Halley unsigned int magic;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley

ce3761f64d3d734cc94605026985898900ecc474Bob Halley int lock_bucket;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley unsigned int refcnt;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence unsigned int flags;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley int edns_level; /* must be int! */

ce3761f64d3d734cc94605026985898900ecc474Bob Halley int goodness; /* bad < 0 <= good */

ce3761f64d3d734cc94605026985898900ecc474Bob Halley unsigned int srtt;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley isc_sockaddr_t sockaddr;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley isc_stdtime_t expires;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley

ce3761f64d3d734cc94605026985898900ecc474Bob Halley ISC_LIST(dns_adbzoneinfo_t) zoneinfo;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley ISC_LINK(dns_adbentry_t) plink;

ce3761f64d3d734cc94605026985898900ecc474Bob Halley};

ce3761f64d3d734cc94605026985898900ecc474Bob Halley

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrencestatic inline dns_adbname_t *new_adbname(dns_adb_t *, dns_name_t *);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halleystatic inline void free_adbname(dns_adb_t *, dns_adbname_t **);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline dns_adbnamehook_t *new_adbnamehook(dns_adb_t *,

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbentry_t *);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void free_adbnamehook(dns_adb_t *, dns_adbnamehook_t **);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline dns_adbzoneinfo_t *new_adbzoneinfo(dns_adb_t *, dns_name_t *);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void free_adbzoneinfo(dns_adb_t *, dns_adbzoneinfo_t **);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline dns_adbentry_t *new_adbentry(dns_adb_t *);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halleystatic inline void free_adbentry(dns_adb_t *, dns_adbentry_t **);

38d2d0e9326a2f70b5893302b89a26978b539405Bob Halleystatic inline dns_adbfind_t *new_adbfind(dns_adb_t *);

38d2d0e9326a2f70b5893302b89a26978b539405Bob Halleystatic inline void free_adbfind(dns_adb_t *, dns_adbfind_t **);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline dns_adbaddrinfo_t *new_adbaddrinfo(dns_adb_t *,

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbentry_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline dns_adbfetch_t *new_adbfetch(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void free_adbfetch(dns_adb_t *, dns_adbfetch_t **);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline dns_adbfetch6_t *new_adbfetch6(dns_adb_t *, dns_adbname_t *,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews dns_a6context_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void free_adbfetch6(dns_adb_t *, dns_adbfetch6_t **);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline dns_adbname_t *find_name_and_lock(dns_adb_t *, dns_name_t *,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews int *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline dns_adbentry_t *find_entry_and_lock(dns_adb_t *,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews isc_sockaddr_t *, int *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void dump_adb(dns_adb_t *, FILE *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void print_dns_name(FILE *, dns_name_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void print_namehook_list(FILE *, dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void print_find_list(FILE *, dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void print_fetch_list(FILE *, dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void dec_adb_irefcnt(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void inc_adb_erefcnt(dns_adb_t *, isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void dec_adb_erefcnt(dns_adb_t *, isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void inc_entry_refcnt(dns_adb_t *, dns_adbentry_t *,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews isc_boolean_t);

e672951ed28b2e9cc7a19c3d7fa4a258382f981cAutomatic Updaterstatic inline void dec_entry_refcnt(dns_adb_t *, dns_adbentry_t *,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void violate_locking_hierarchy(isc_mutex_t *, isc_mutex_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void clean_namehooks(dns_adb_t *, dns_adbnamehooklist_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void clean_target(dns_adb_t *, dns_name_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void clean_finds_at_name(dns_adbname_t *, isc_eventtype_t,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews unsigned int);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void check_expire_namehooks(dns_adbname_t *, isc_stdtime_t);

86548554f6180bbe051c8cd8f03c93fc9b6a7825Mark Andrewsstatic void cancel_fetches_at_name(dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic isc_result_t dbfind_name(dns_adbname_t *, isc_stdtime_t,

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews isc_boolean_t, dns_rdatatype_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic isc_result_t fetch_name_v4(dns_adbname_t *, isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic isc_result_t fetch_name_aaaa(dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic isc_result_t fetch_name_a6(dns_adbname_t *, isc_boolean_t,

e672951ed28b2e9cc7a19c3d7fa4a258382f981cAutomatic Updater isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void check_exit(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void timer_cleanup(isc_task_t *, isc_event_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void destroy(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void shutdown_names(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void shutdown_entries(dns_adb_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void link_name(dns_adb_t *, int, dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void unlink_name(dns_adb_t *, dns_adbname_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic inline void link_entry(dns_adb_t *, int, dns_adbentry_t *);

86548554f6180bbe051c8cd8f03c93fc9b6a7825Mark Andrewsstatic inline void unlink_entry(dns_adb_t *, dns_adbentry_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void kill_name(dns_adbname_t **, isc_eventtype_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic void fetch_callback_a6(isc_task_t *, isc_event_t *);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrewsstatic isc_result_t dbfind_a6(dns_adbname_t *, isc_stdtime_t, isc_boolean_t);

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_EVENT_SENT 0x40000000

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_EVENT_FREED 0x80000000

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_EVENTSENT(h) (((h)->flags & FIND_EVENT_SENT) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_EVENTFREED(h) (((h)->flags & FIND_EVENT_FREED) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_NEEDS_POKE 0x80000000

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_IS_DEAD 0x40000000

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_DEAD(n) (((n)->flags & NAME_IS_DEAD) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_NEEDSPOKE(n) (((n)->flags & NAME_NEEDS_POKE) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_HAS_V4(n) (!ISC_LIST_EMPTY((n)->v4))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_HAS_V6(n) (!ISC_LIST_EMPTY((n)->v6))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_HAS_ADDRS(n) (NAME_HAS_V4(n) || NAME_HAS_V6(n))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH_A(n) ((n)->fetch_a != NULL)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH_AAAA(n) ((n)->fetch_aaaa != NULL)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH_A6(n) (!ISC_LIST_EMPTY((n)->fetches_a6))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH_V4(n) (NAME_FETCH_A(n))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH_V6(n) (NAME_FETCH_AAAA(n) || NAME_FETCH_A6(n))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define NAME_FETCH(n) (NAME_FETCH_V4(n) || NAME_FETCH_V6(n))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FETCH_USE_HINTS 0x80000000

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FETCH_FIRST_A6 0x40000000

86548554f6180bbe051c8cd8f03c93fc9b6a7825Mark Andrews#define FETCH_USEHINTS(f) (((f)->flags & FETCH_USE_HINTS) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FETCH_FIRSTA6(f) (((f)->flags & FETCH_FIRST_A6) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_WANTEVENT(fn) (((fn)->options & DNS_ADBFIND_WANTEVENT) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_WANTEMPTYEVENT(fn) (((fn)->options & DNS_ADBFIND_EMPTYEVENT) != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_AVOIDFETCHES(fn) (((fn)->options & DNS_ADBFIND_AVOIDFETCHES) \

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_STARTATROOT(fn) (((fn)->options & DNS_ADBFIND_STARTATROOT) \

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews != 0)

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews#define FIND_HAS_ADDRS(fn) (!ISC_LIST_EMPTY((fn)->list))

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define WANT_INET(x) (((x) & DNS_ADBFIND_INET) != 0)

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define WANT_INET6(x) (((x) & DNS_ADBFIND_INET6) != 0)

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define EXPIRE_OK(exp, now) ((exp == INT_MAX) || (exp < now))

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define ENTER_LEVEL 50

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define EXIT_LEVEL ENTER_LEVEL

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define CLEAN_LEVEL 100

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define DEF_LEVEL 5

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define NCACHE_LEVEL 20

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define NCACHE_RESULT(r) ((r) == DNS_R_NCACHENXDOMAIN || \

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley (r) == DNS_R_NCACHENXRRSET)

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley#define AUTH_NX(r) ((r) == DNS_R_NXDOMAIN || \

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley (r) == DNS_R_NXRRSET)

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halley

00d81794884f1eee59ca058a292f2d1e50d9547cBob Halleystatic void

508f61f8d699c46f962b682f388e54b446a7194dMark AndrewsDP(int level, char *format, ...)

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews{

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews va_list args;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews va_start(args, format);

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews isc_log_vwrite(dns_lctx,

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_ADB,

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews ISC_LOG_DEBUG(level), format, args);

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews va_end(args);

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews}

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews

508f61f8d699c46f962b682f388e54b446a7194dMark Andrewsstatic isc_result_t

508f61f8d699c46f962b682f388e54b446a7194dMark Andrewsimport_rdataset(dns_adbname_t *adbname, dns_rdataset_t *rdataset,

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews isc_stdtime_t now)

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews{

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews isc_result_t result;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews dns_adb_t *adb;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews dns_adbnamehook_t *nh;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews dns_rdata_t rdata;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews struct in_addr ina;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews struct in6_addr in6a;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews isc_sockaddr_t sockaddr;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews dns_adbentry_t *foundentry; /* NO CLEAN UP! */

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews int addr_bucket;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews isc_boolean_t new_addresses_added;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews dns_rdatatype_t rdtype;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews unsigned int findoptions;

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews INSIST(DNS_ADBNAME_VALID(adbname));

508f61f8d699c46f962b682f388e54b446a7194dMark Andrews adb = adbname->adb;

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington INSIST(DNS_ADB_VALID(adb));

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley rdtype = rdataset->type;

f0bbac2c0f1afa74b88cab902daf11202ebe7cbdBob Halley INSIST((rdtype == dns_rdatatype_a) || (rdtype == dns_rdatatype_aaaa));

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley if (rdtype == dns_rdatatype_a)

1366b7833c86343de278480b9abd71754e418bfaBob Halley findoptions = DNS_ADBFIND_INET;

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley else

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley findoptions = DNS_ADBFIND_INET6;

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley addr_bucket = DNS_ADB_INVALIDBUCKET;

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley new_addresses_added = ISC_FALSE;

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley

f969863d54ae3f0ddccce84c6dd054fe1e792cf7Andreas Gustafsson nh = NULL;

f969863d54ae3f0ddccce84c6dd054fe1e792cf7Andreas Gustafsson result = dns_rdataset_first(rdataset);

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley while (result == ISC_R_SUCCESS) {

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley dns_rdataset_current(rdataset, &rdata);

1366b7833c86343de278480b9abd71754e418bfaBob Halley if (rdtype == dns_rdatatype_a) {

1366b7833c86343de278480b9abd71754e418bfaBob Halley INSIST(rdata.length == 4);

b7ebc6a127becc7c3ad93d3b1f143132cf1d3609Andreas Gustafsson memcpy(&ina.s_addr, rdata.data, 4);

1366b7833c86343de278480b9abd71754e418bfaBob Halley isc_sockaddr_fromin(&sockaddr, &ina, 53);

1366b7833c86343de278480b9abd71754e418bfaBob Halley } else {

1366b7833c86343de278480b9abd71754e418bfaBob Halley INSIST(rdata.length == 16);

1366b7833c86343de278480b9abd71754e418bfaBob Halley memcpy(in6a.s6_addr, rdata.data, 16);

1366b7833c86343de278480b9abd71754e418bfaBob Halley isc_sockaddr_fromin6(&sockaddr, &in6a, 53);

1366b7833c86343de278480b9abd71754e418bfaBob Halley }

b7ebc6a127becc7c3ad93d3b1f143132cf1d3609Andreas Gustafsson

1366b7833c86343de278480b9abd71754e418bfaBob Halley if (IN6_IS_ADDR_V4MAPPED(&sockaddr.type.sin6.sin6_addr)

1366b7833c86343de278480b9abd71754e418bfaBob Halley || IN6_IS_ADDR_V4COMPAT(&sockaddr.type.sin6.sin6_addr)) {

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley DP(1, "Ignoring IPv6 mapped IPv4 address");

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley goto next;

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley }

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley INSIST(nh == NULL);

bcfcece57e9411ee4bd352b45a8b1ac1dbcf01f4Bob Halley nh = new_adbnamehook(adb, NULL);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (nh == NULL) {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->partial_result |= findoptions;

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington result = ISC_R_NOMEMORY;

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington goto fail;

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington }

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (foundentry == NULL) {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington dns_adbentry_t *entry;

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington entry = new_adbentry(adb);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (entry == NULL) {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->partial_result |= findoptions;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews result = ISC_R_NOMEMORY;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews goto fail;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews }

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews entry->sockaddr = sockaddr;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews entry->refcnt = 1;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews nh->entry = entry;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews link_entry(adb, addr_bucket, entry);

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews } else {

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews foundentry->refcnt++;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews nh->entry = foundentry;

1e107b3d7b54de5022c3328423164e533afcc15eMark Andrews }

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews new_addresses_added = ISC_TRUE;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews if (rdtype == dns_rdatatype_a)

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews ISC_LIST_APPEND(adbname->v4, nh, plink);

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews else

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews ISC_LIST_APPEND(adbname->v6, nh, plink);

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews nh = NULL;

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews next:

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews result = dns_rdataset_next(rdataset);

d6fe7ba94969ee51a3f4298a735fbc6e11691ad8Mark Andrews }

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington fail:

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (nh != NULL)

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington free_adbnamehook(adb, &nh);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (addr_bucket != DNS_ADB_INVALIDBUCKET)

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington UNLOCK(&adb->entrylocks[addr_bucket]);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington rdataset->ttl = ISC_MAX(rdataset->ttl, ADB_CACHE_MINIMUM);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (rdtype == dns_rdatatype_a) {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington DP(NCACHE_LEVEL, "expire_v4 set to MIN(%u,%u) import_rdataset",

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->expire_v4, now + rdataset->ttl);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->expire_v4 = ISC_MIN(adbname->expire_v4,

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington now + rdataset->ttl);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington } else {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington DP(NCACHE_LEVEL, "expire_v6 set to MIN(%u,%u) import_rdataset",

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->expire_v6, now + rdataset->ttl);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington adbname->expire_v6 = ISC_MIN(adbname->expire_v6,

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington now + rdataset->ttl);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington }

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington if (new_addresses_added) {

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington /*

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington return (ISC_R_SUCCESS);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington }

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington return (result);

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington}

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellington

41e50ece3804f8483a9ce5abbbe49415a6a64645Brian Wellingtonstatic void

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halleyimport_a6(dns_a6context_t *a6ctx)

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence{

e407562a75eb93073bb72089cced150d7ffe4d4fTatuya JINMEI 神明達哉 dns_adbname_t *name;

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley dns_adb_t *adb;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews dns_adbnamehook_t *nh;

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley dns_adbentry_t *foundentry; /* NO CLEAN UP! */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley int addr_bucket;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_sockaddr_t sockaddr;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley name = a6ctx->arg;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(DNS_ADBNAME_VALID(name));

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley adb = name->adb;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(DNS_ADB_VALID(adb));

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley addr_bucket = DNS_ADB_INVALIDBUCKET;

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley DP(ENTER_LEVEL, "ENTER: import_a6() name %p", name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley nh = new_adbnamehook(adb, NULL);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley if (nh == NULL) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name->partial_result |= DNS_ADBFIND_INET6; /* clear for AAAA */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley goto fail;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley isc_sockaddr_fromin6(&sockaddr, &a6ctx->in6addr, 53);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley if (IN6_IS_ADDR_V4MAPPED(&sockaddr.type.sin6.sin6_addr)

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley || IN6_IS_ADDR_V4COMPAT(&sockaddr.type.sin6.sin6_addr)) {

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley DP(1, "Ignoring IPv6 mapped IPv4 address");

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley goto fail;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley if (foundentry == NULL) {

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_adbentry_t *entry;

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley entry = new_adbentry(adb);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (entry == NULL) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name->partial_result |= DNS_ADBFIND_INET6;

611dc8876869036ab5e981e53ae7a446145d9354Mark Andrews goto fail;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

611dc8876869036ab5e981e53ae7a446145d9354Mark Andrews

611dc8876869036ab5e981e53ae7a446145d9354Mark Andrews entry->sockaddr = sockaddr;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley entry->refcnt = 1;

611dc8876869036ab5e981e53ae7a446145d9354Mark Andrews nh->entry = entry;

611dc8876869036ab5e981e53ae7a446145d9354Mark Andrews link_entry(adb, addr_bucket, entry);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley } else {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley foundentry->refcnt++;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley nh->entry = foundentry;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley ISC_LIST_APPEND(name->v6, nh, plink);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley nh = NULL;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley fail:

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(NCACHE_LEVEL, "expire_v6 set to MIN(%u,%u) in import_v6",

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews name->expire_v6, a6ctx->expiration);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews name->expire_v6 = ISC_MIN(name->expire_v6, a6ctx->expiration);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews name->flags |= NAME_NEEDS_POKE;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews if (nh != NULL)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews free_adbnamehook(adb, &nh);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews if (addr_bucket != DNS_ADB_INVALIDBUCKET)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews UNLOCK(&adb->entrylocks[addr_bucket]);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews}

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsstatic void

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewskill_name(dns_adbname_t **n, isc_eventtype_t ev)

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley{

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley dns_adbname_t *name;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews dns_adb_t *adb;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews INSIST(n != NULL);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews name = *n;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews *n = NULL;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews INSIST(DNS_ADBNAME_VALID(name));

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley adb = name->adb;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(DNS_ADB_VALID(adb));

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(DEF_LEVEL, "killing name %p", name);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley /*

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley if (NAME_DEAD(name) && !NAME_FETCH(name)) {

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley unlink_name(adb, name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley free_adbname(adb, &name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley return;

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley }

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley /*

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley clean_finds_at_name(name, ev, DNS_ADBFIND_ADDRESSMASK);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley clean_namehooks(adb, &name->v4);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley clean_namehooks(adb, &name->v6);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley clean_target(adb, &name->target);

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley /*

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley if (!NAME_FETCH(name)) {

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley unlink_name(adb, name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley free_adbname(adb, &name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley } else {

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley name->flags |= NAME_IS_DEAD;

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley cancel_fetches_at_name(name);

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley }

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley}

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleycheck_expire_namehooks(dns_adbname_t *name, isc_stdtime_t now)

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley{

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence dns_adb_t *adb;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley INSIST(DNS_ADBNAME_VALID(name));

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley adb = name->adb;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley INSIST(DNS_ADB_VALID(adb));

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley /*

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley if (!NAME_FETCH_V4(name) && EXPIRE_OK(name->expire_v4, now)) {

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley if (NAME_HAS_V4(name)) {

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley DP(DEF_LEVEL, "expiring v4 for name %p", name);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley clean_namehooks(adb, &name->v4);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->partial_result &= ~DNS_ADBFIND_INET;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->expire_v4 = INT_MAX;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley /*

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley if (!NAME_FETCH_V6(name) && EXPIRE_OK(name->expire_v6, now)) {

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley if (NAME_HAS_V6(name)) {

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley DP(DEF_LEVEL, "expiring v6 for name %p", name);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley clean_namehooks(adb, &name->v6);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->partial_result &= ~DNS_ADBFIND_INET6;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->expire_v6 = INT_MAX;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley /*

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley if (EXPIRE_OK(name->expire_target, now)) {

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley clean_target(adb, &name->target);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->expire_target = INT_MAX;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley }

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews}

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsstatic inline void

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewslink_name(dns_adb_t *adb, int bucket, dns_adbname_t *name)

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley{

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley INSIST(name->lock_bucket == DNS_ADB_INVALIDBUCKET);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley ISC_LIST_PREPEND(adb->names[bucket], name, plink);

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley name->lock_bucket = bucket;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley adb->name_refcnt[bucket]++;

6957b87f931bb110ba4d0adf495932691ba550b1Bob Halley}

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrewsstatic inline void

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrewsunlink_name(dns_adb_t *adb, dns_adbname_t *name)

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews{

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews int bucket;

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews bucket = name->lock_bucket;

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews INSIST(bucket != DNS_ADB_INVALIDBUCKET);

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews ISC_LIST_UNLINK(adb->names[bucket], name, plink);

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews name->lock_bucket = DNS_ADB_INVALIDBUCKET;

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews INSIST(adb->name_refcnt[bucket] > 0);

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews adb->name_refcnt[bucket]--;

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews if (adb->name_sd[bucket] && adb->name_refcnt[bucket] == 0)

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews dec_adb_irefcnt(adb);

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews}

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrewsstatic inline void

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrewslink_entry(dns_adb_t *adb, int bucket, dns_adbentry_t *entry)

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews{

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews ISC_LIST_PREPEND(adb->entries[bucket], entry, plink);

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews entry->lock_bucket = bucket;

39c7fc7e00af20144b94ef332943f62c1b3a622fMark Andrews adb->entry_refcnt[bucket]++;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews}

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrewsstatic inline void

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrewsunlink_entry(dns_adb_t *adb, dns_adbentry_t *entry)

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews{

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews int bucket;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews bucket = entry->lock_bucket;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews INSIST(bucket != DNS_ADB_INVALIDBUCKET);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews ISC_LIST_UNLINK(adb->entries[bucket], entry, plink);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews entry->lock_bucket = DNS_ADB_INVALIDBUCKET;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews INSIST(adb->entry_refcnt[bucket] > 0);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews adb->entry_refcnt[bucket]--;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews if (adb->entry_sd[bucket] && adb->entry_refcnt[bucket] == 0)

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews dec_adb_irefcnt(adb);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews}

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrewsstatic inline void

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrewsviolate_locking_hierarchy(isc_mutex_t *have, isc_mutex_t *want)

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews{

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews if (isc_mutex_trylock(want) != ISC_R_SUCCESS) {

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews UNLOCK(have);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews LOCK(want);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews LOCK(have);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews }

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews}

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsstatic void

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsshutdown_names(dns_adb_t *adb)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews{

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews int bucket;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews dns_adbname_t *name;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews dns_adbname_t *next_name;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews for (bucket = 0 ; bucket < NBUCKETS ; bucket++) {

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews LOCK(&adb->namelocks[bucket]);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews adb->name_sd[bucket] = ISC_TRUE;

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews

aa8e34546c1e51e69f5a4935d28cb0c543e7401aAndreas Gustafsson name = ISC_LIST_HEAD(adb->names[bucket]);

aa8e34546c1e51e69f5a4935d28cb0c543e7401aAndreas Gustafsson if (name == NULL) {

aa8e34546c1e51e69f5a4935d28cb0c543e7401aAndreas Gustafsson /*

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews dec_adb_irefcnt(adb);

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews } else {

7c0539bea56022274da04263eb41fbb5b8835c38Mark Andrews /*

e407562a75eb93073bb72089cced150d7ffe4d4fTatuya JINMEI 神明達哉 while (name != NULL) {

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley next_name = ISC_LIST_NEXT(name, plink);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley kill_name(&name, DNS_EVENT_ADBSHUTDOWN);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name = next_name;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&adb->namelocks[bucket]);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halleystatic void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleyshutdown_entries(dns_adb_t *adb)

29b487b0a458d655f0aad9257ca46021f4903d08Bob Halley{

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley int bucket;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbentry_t *entry;

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington dns_adbentry_t *next_entry;

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

5d661f0bde49c68d33eb1146d60058782aca50a7Bob Halley for (bucket = 0 ; bucket < NBUCKETS ; bucket++) {

e407562a75eb93073bb72089cced150d7ffe4d4fTatuya JINMEI 神明達哉 LOCK(&adb->entrylocks[bucket]);

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington adb->entry_sd[bucket] = ISC_TRUE;

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington entry = ISC_LIST_HEAD(adb->entries[bucket]);

a8e4c27d2c00e831d1eb7260e3f455d97907d799Bob Halley if (entry == NULL) {

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington /*

6d5032f9a23fe1197610114983c9938ac419b20cBrian Wellington dec_adb_irefcnt(adb);

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington } else {

e407562a75eb93073bb72089cced150d7ffe4d4fTatuya JINMEI 神明達哉 /*

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington while (entry != NULL) {

d2b77d720f1dcdc85a761b1de1a94d32fbdef81aBrian Wellington next_entry = ISC_LIST_NEXT(entry, plink);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (entry->refcnt == 0 &&

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence entry->expires != 0) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley unlink_entry(adb, entry);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley free_adbentry(adb, &entry);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley entry = next_entry;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&adb->entrylocks[bucket]);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halleystatic void

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halleycancel_fetches_at_name(dns_adbname_t *name)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley{

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbfetch6_t *fetch6;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (NAME_FETCH_A(name))

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_resolver_cancelfetch(name->fetch_a->fetch);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (NAME_FETCH_AAAA(name))

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence dns_resolver_cancelfetch(name->fetch_aaaa->fetch);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley fetch6 = ISC_LIST_HEAD(name->fetches_a6);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley while (fetch6 != NULL) {

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_resolver_cancelfetch(fetch6->fetch);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley fetch6 = ISC_LIST_NEXT(fetch6, plink);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

3740b569ae76295b941d57a724a43beb75b533baBob Halleystatic void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleyclean_namehooks(dns_adb_t *adb, dns_adbnamehooklist_t *namehooks)

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley{

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_adbentry_t *entry;

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson dns_adbnamehook_t *namehook;

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley int addr_bucket;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley addr_bucket = DNS_ADB_INVALIDBUCKET;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley namehook = ISC_LIST_HEAD(*namehooks);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley while (namehook != NULL) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(DNS_ADBNAMEHOOK_VALID(namehook));

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

0370190a682a3933119784a1023b1b9a51c66fa3Bob Halley /*

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley entry = namehook->entry;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (entry != NULL) {

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley INSIST(DNS_ADBENTRY_VALID(entry));

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson if (addr_bucket != entry->lock_bucket) {

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson if (addr_bucket != DNS_ADB_INVALIDBUCKET)

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson UNLOCK(&adb->entrylocks[addr_bucket]);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson addr_bucket = entry->lock_bucket;

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson LOCK(&adb->entrylocks[addr_bucket]);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson }

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson dec_entry_refcnt(adb, entry, ISC_FALSE);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson }

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson /*

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson namehook->entry = NULL;

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson ISC_LIST_UNLINK(*namehooks, namehook, plink);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson free_adbnamehook(adb, &namehook);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley namehook = ISC_LIST_HEAD(*namehooks);

0736cce338052ed219bcb5147046cb78d0361506Andreas Gustafsson }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (addr_bucket != DNS_ADB_INVALIDBUCKET)

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley UNLOCK(&adb->entrylocks[addr_bucket]);

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley}

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halleystatic void

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halleyclean_target(dns_adb_t *adb, dns_name_t *target) {

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley if (dns_name_countlabels(target) > 0) {

ace0c1b3f4bc3e6951b98428bde78149ad599d33Bob Halley dns_name_free(target, adb->mctx);

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence dns_name_init(target, NULL);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley

45e1bd63587102c3bb361eaca42ee7b714fb3542Mark Andrewsstatic isc_result_t

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halleyset_target(dns_adb_t *adb, dns_name_t *name, dns_name_t *fname,

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_rdataset_t *rdataset, dns_name_t *target)

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley{

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley isc_result_t result;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_namereln_t namereln;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley unsigned int nlabels, nbits;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley int order;

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley dns_rdata_t rdata;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley isc_region_t r;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_name_t tname;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_fixedname_t fixed1, fixed2;

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_name_t *prefix, *new_target;

fff9a37a0355e4181b3132370a173d1dbb5a0f3cBob Halley

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence REQUIRE(dns_name_countlabels(target) == 0);

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley if (rdataset->type == dns_rdatatype_cname) {

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley /*

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley result = dns_rdataset_first(rdataset);

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence if (result != ISC_R_SUCCESS)

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley return (result);

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley dns_rdataset_current(rdataset, &rdata);

bd53af8229e28cfec8bfd9572b4d31514ea97f48Bob Halley r.base = rdata.data;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley r.length = rdata.length;

6585d8782b2e20caf7b71f264afa4beb8a3fdf98Brian Wellington dns_name_init(&tname, NULL);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley dns_name_fromregion(&tname, &r);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley result = dns_name_dup(&tname, adb->mctx, target);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews if (result != ISC_R_SUCCESS)

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews return (result);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley } else {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(rdataset->type == dns_rdatatype_dname);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley namereln = dns_name_fullcompare(name, fname, &order,

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley &nlabels, &nbits);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(namereln == dns_namereln_subdomain);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley /*

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley result = dns_rdataset_first(rdataset);

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley if (result != ISC_R_SUCCESS)

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley return (result);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews dns_rdataset_current(rdataset, &rdata);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews r.base = rdata.data;

6e49e91bd08778d7eae45a2229dcf41ed97cc636David Lawrence r.length = rdata.length;

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews dns_name_init(&tname, NULL);

dc570b92f6cc60def4207733c7a194fbb69a4399Michael Sawyer dns_name_fromregion(&tname, &r);

dc570b92f6cc60def4207733c7a194fbb69a4399Michael Sawyer /*

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews dns_fixedname_init(&fixed1);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews prefix = dns_fixedname_name(&fixed1);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews dns_fixedname_init(&fixed2);

e672951ed28b2e9cc7a19c3d7fa4a258382f981cAutomatic Updater new_target = dns_fixedname_name(&fixed2);

dc570b92f6cc60def4207733c7a194fbb69a4399Michael Sawyer result = dns_name_split(name, nlabels, nbits, prefix, NULL);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews if (result != ISC_R_SUCCESS)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley return (result);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley result = dns_name_concatenate(prefix, &tname, new_target,

6d12fdf96621801e80f3f4c2a8a569fe48766a20David Lawrence NULL);

f257e9369c27578eb87077923dc010a6614e2a7aMark Andrews if (result != ISC_R_SUCCESS)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley return (result);

f257e9369c27578eb87077923dc010a6614e2a7aMark Andrews result = dns_name_dup(new_target, adb->mctx, target);

f257e9369c27578eb87077923dc010a6614e2a7aMark Andrews if (result != ISC_R_SUCCESS)

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews return (result);

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews }

a41d348e14b0465c6444cdfd2d59f9370fd44fe8Mark Andrews

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley return (ISC_R_SUCCESS);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleyevent_free(isc_event_t *event)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley{

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbfind_t *find;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

3e6753a75350a990d2723a936657e5dabc1c5e30Brian Wellington INSIST(event != NULL);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley find = event->destroy_arg;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(DNS_ADBFIND_VALID(find));

3ddd814a97de1d152ba0913c592d6e6dc83d38a6Michael Graff

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley LOCK(&find->lock);

87708bde16713bc02ff2598f4a82f98c699a2f2dMark Andrews find->flags |= FIND_EVENT_FREED;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley event->destroy_arg = NULL;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&find->lock);

0874abad14e3e9ecfc3dc1a1a2b9969f2f027724Mark Andrews}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

0874abad14e3e9ecfc3dc1a1a2b9969f2f027724Mark Andrewsstatic void

0874abad14e3e9ecfc3dc1a1a2b9969f2f027724Mark Andrewsclean_finds_at_name(dns_adbname_t *name, isc_eventtype_t evtype,

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews unsigned int addrs)

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley{

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley isc_event_t *ev;

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews isc_task_t *task;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbfind_t *find;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_adbfind_t *next_find;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_boolean_t process;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley unsigned int wanted;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(ENTER_LEVEL,

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley "ENTER clean_finds_at_name, name %p, evtype %08x, addrs %08x",

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name, evtype, addrs);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley find = ISC_LIST_HEAD(name->finds);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley while (find != NULL) {

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley LOCK(&find->lock);

82a30bf0a0d1a8120e8c021966a5275eacb9ed35David Lawrence next_find = ISC_LIST_NEXT(find, plink);

82a30bf0a0d1a8120e8c021966a5275eacb9ed35David Lawrence

8f9664521724eefc39728c092d0bc6be527e1496Mark Andrews process = ISC_FALSE;

e672951ed28b2e9cc7a19c3d7fa4a258382f981cAutomatic Updater wanted = find->flags & DNS_ADBFIND_ADDRESSMASK;

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews

6e49e91bd08778d7eae45a2229dcf41ed97cc636David Lawrence switch (evtype) {

ce3761f64d3d734cc94605026985898900ecc474Bob Halley case DNS_EVENT_ADBMOREADDRESSES:

ce3761f64d3d734cc94605026985898900ecc474Bob Halley DP(3, "DNS_EVENT_ADBMOREADDRESSES");

ce3761f64d3d734cc94605026985898900ecc474Bob Halley if ((wanted & addrs) != 0) {

ce3761f64d3d734cc94605026985898900ecc474Bob Halley DP(3, "processing");

6e49e91bd08778d7eae45a2229dcf41ed97cc636David Lawrence find->flags &= ~addrs;

08c8a934ceb2dfc6a5ebfd3be4ba5a1b3243bc73Bob Halley process = ISC_TRUE;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence }

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley break;

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley case DNS_EVENT_ADBNOMOREADDRESSES:

86131d8d7aaf1bb8b8bfc7819985d05ea369b708Bob Halley DP(3, "DNS_EVENT_ADBNOMOREADDRESSES");

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley find->flags &= ~addrs;

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley wanted = find->flags & DNS_ADBFIND_ADDRESSMASK;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (wanted == 0) {

70fdfcd1fa7ebd059deffa9a2cecc29df96dfe52Bob Halley process = ISC_TRUE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(3, "processing");

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley break;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley default:

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley find->flags &= ~addrs;

82a30bf0a0d1a8120e8c021966a5275eacb9ed35David Lawrence process = ISC_TRUE;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley }

82a30bf0a0d1a8120e8c021966a5275eacb9ed35David Lawrence

82a30bf0a0d1a8120e8c021966a5275eacb9ed35David Lawrence if (process) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(DEF_LEVEL, "cfan: processing find %p", find);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley /*

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ISC_LIST_UNLINK(name->finds, find, plink);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley find->adbname = NULL;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley find->name_bucket = DNS_ADB_INVALIDBUCKET;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley INSIST(!FIND_EVENTSENT(find));

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev = &find->event;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley task = ev->sender;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev->sender = find;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev->type = evtype;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev->destroy = event_free;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev->destroy_arg = find;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(DEF_LEVEL,

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley "Sending event %p to task %p for find %p",

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley ev, task, find);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley isc_task_sendanddetach(&task, &ev);

38d2d0e9326a2f70b5893302b89a26978b539405Bob Halley } else {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(DEF_LEVEL, "cfan: skipping find %p", find);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley UNLOCK(&find->lock);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley find = next_find;

cee7525336d4710a64368875d92eb439d4d3efb1Mark Andrews }

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley DP(ENTER_LEVEL, "EXIT clean_finds_at_name, name %p", name);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleycheck_exit(dns_adb_t *adb)

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley{

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_event_t *event, *next_event;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_task_t *etask;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley isc_boolean_t zeroirefcnt;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley /*

0ad5cb4782cd419b089bcab28d2fd9e140dbcc59Mark Andrews

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley LOCK(&adb->ilock);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley if (adb->irefcnt == 0)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley zeroirefcnt = ISC_TRUE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley else

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley zeroirefcnt = ISC_FALSE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&adb->ilock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley if (adb->shutting_down && zeroirefcnt &&

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley isc_mempool_getallocated(adb->ahmp) == 0) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley /*

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley for (event = ISC_LIST_HEAD(adb->whenshutdown);

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley event != NULL;

38d2d0e9326a2f70b5893302b89a26978b539405Bob Halley event = next_event) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley next_event = ISC_LIST_NEXT(event, link);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley ISC_LIST_UNLINK(adb->whenshutdown, event, link);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley etask = event->sender;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley event->sender = adb;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley isc_task_sendanddetach(&etask, &event);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley /*

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (adb->erefcnt == 0) {

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(!adb->cevent_sent); /* Sanity check. */

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley event = &adb->cevent;

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley isc_task_send(adb->task, &event);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley adb->cevent_sent = ISC_TRUE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley }

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsstatic inline void

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrewsdec_adb_irefcnt(dns_adb_t *adb)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews{

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews LOCK(&adb->ilock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley INSIST(adb->irefcnt > 0);

0874abad14e3e9ecfc3dc1a1a2b9969f2f027724Mark Andrews adb->irefcnt--;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley UNLOCK(&adb->ilock);

af3459443207253f197cd684567bfea0311ab76dMark Andrews}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleyinc_adb_erefcnt(dns_adb_t *adb, isc_boolean_t lock)

577179503f2eb7695ec668d8eeb41889a150e28fBob Halley{

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (lock)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley LOCK(&adb->lock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley adb->erefcnt++;

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley if (lock)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&adb->lock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halleydec_adb_erefcnt(dns_adb_t *adb, isc_boolean_t lock)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley{

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley if (lock)

af3459443207253f197cd684567bfea0311ab76dMark Andrews LOCK(&adb->lock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley INSIST(adb->erefcnt > 0);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley adb->erefcnt--;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (adb->erefcnt == 0)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley check_exit(adb);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (lock)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley UNLOCK(&adb->lock);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleystatic inline void

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halleyinc_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock)

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley{

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley int bucket;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley bucket = entry->lock_bucket;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (lock)

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley LOCK(&adb->entrylocks[bucket]);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley entry->refcnt++;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (lock)

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley UNLOCK(&adb->entrylocks[bucket]);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley}

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graffstatic inline void

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halleydec_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews{

419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graff int bucket;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley isc_boolean_t destroy_entry;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley bucket = entry->lock_bucket;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley if (lock)

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley LOCK(&adb->entrylocks[bucket]);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley INSIST(entry->refcnt > 0);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley entry->refcnt--;

419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graff

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley destroy_entry = ISC_FALSE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (entry->refcnt == 0 &&

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley (adb->entry_sd[bucket] || entry->expires == 0)) {

0874abad14e3e9ecfc3dc1a1a2b9969f2f027724Mark Andrews destroy_entry = ISC_TRUE;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley unlink_entry(adb, entry);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley }

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews if (lock)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews UNLOCK(&adb->entrylocks[bucket]);

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews if (!destroy_entry)

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews return;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews entry->lock_bucket = DNS_ADB_INVALIDBUCKET;

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews

b6309ed962c4988a314d61742c4fbc4935467d68Mark Andrews free_adbentry(adb, &entry);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley}

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halleystatic inline dns_adbname_t *

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halleynew_adbname(dns_adb_t *adb, dns_name_t *dnsname)

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley{

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley dns_adbname_t *name;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley name = isc_mempool_get(adb->nmp);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley if (name == NULL)

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence return (NULL);

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley

c5839c39bd07c9dd3d4cd598035deb0537098475Bob Halley dns_name_init(&name->name, NULL);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley if (dns_name_dup(dnsname, adb->mctx, &name->name) != ISC_R_SUCCESS) {

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley isc_mempool_put(adb->nmp, name);

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley return (NULL);

8db3b065b4659f593f7b8eaa7c9ca0c3daa4da02Bob Halley }

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley dns_name_init(&name->target, NULL);

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley name->magic = DNS_ADBNAME_MAGIC;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley name->adb = adb;

95c86af1e92dae4ff837a39e7e2dcb7308dd9cceBob Halley name->partial_result = 0;

419590499823ce15b5d2ad4fe71eaf04bd5a86c0Michael Graff name->flags = 0;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name->expire_v4 = INT_MAX;

c50fd34a4e0e6978f8ca5f6f3ad8545549c3cfeeBob Halley name->expire_v6 = INT_MAX;

030aafe4114875ff659fcf83db6d05846470fb3eMark Andrews name->expire_target = INT_MAX;

030aafe4114875ff659fcf83db6d05846470fb3eMark Andrews name->chains = 0;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews name->lock_bucket = DNS_ADB_INVALIDBUCKET;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LIST_INIT(name->v4);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LIST_INIT(name->v6);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews name->fetch_a = NULL;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews name->fetch_aaaa = NULL;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LIST_INIT(name->fetches_a6);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LIST_INIT(name->finds);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews ISC_LINK_INIT(name, plink);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews return (name);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews}

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrewsstatic inline void

030aafe4114875ff659fcf83db6d05846470fb3eMark Andrewsfree_adbname(dns_adb_t *adb, dns_adbname_t **name)

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews{

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews dns_adbname_t *n;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(name != NULL && DNS_ADBNAME_VALID(*name));

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews n = *name;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews *name = NULL;

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(!NAME_HAS_V4(n));

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(!NAME_HAS_V6(n));

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(!NAME_FETCH(n));

289ae548d52bc8f982d9823af64cafda7bd92232Mark Andrews INSIST(ISC_LIST_EMPTY(n->finds));

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(!ISC_LINK_LINKED(n, plink));

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(n->lock_bucket == DNS_ADB_INVALIDBUCKET);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews INSIST(n->adb == adb);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews n->magic = 0;

cffe96e26744abcf33494837b234219046a631d8Mark Andrews dns_name_free(&n->name, adb->mctx);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews

e672951ed28b2e9cc7a19c3d7fa4a258382f981cAutomatic Updater isc_mempool_put(adb->nmp, n);

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews}

ed6ca94ad75353d5344e2a456e7a8beb480a351fMark Andrews