033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#include <config.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <stdio.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <string.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/assertions.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/condition.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/event.h>

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington#include <isc/log.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/magic.h>

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington#include <isc/mutex.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/mutexblock.h>

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#include <isc/random.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <isc/timer.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/a6.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/adb.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/db.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/events.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/fixedname.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/log.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/name.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/rdata.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/rdataset.h>

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#include <dns/resolver.h>

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington#include <dns/types.h>

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#include <dns/view.h>

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#include "../isc/util.h"

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#define DNS_ADB_MAGIC 0x44616462 /* Dadb. */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#define DNS_ADB_VALID(x) ISC_MAGIC_VALID(x, DNS_ADB_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBNAME_MAGIC 0x6164624e /* adbN. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBNAME_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBNAME_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBNAMEHOOK_MAGIC 0x61644e48 /* adNH. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBNAMEHOOK_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBNAMEHOOK_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBZONEINFO_MAGIC 0x6164625a /* adbZ. */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington#define DNS_ADBZONEINFO_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBZONEINFO_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBENTRY_MAGIC 0x61646245 /* adbE. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBENTRY_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBENTRY_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBFETCH_MAGIC 0x61644634 /* adF4. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBFETCH_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBFETCH_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBFETCH6_MAGIC 0x61644636 /* adF6. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBFETCH6_VALID(x) ISC_MAGIC_VALID(x, DNS_ADBFETCH6_MAGIC)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBNAMELIST_LENGTH 31 /* how many buckets for names */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADBENTRYLIST_LENGTH 31 /* how many buckets for addresses */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define CLEAN_SECONDS (300 / DNS_ADBNAMELIST_LENGTH)

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FREE_ITEMS 16 /* free count for memory pools */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FILL_COUNT 8 /* fill count for memory pools */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define DNS_ADB_INVALIDBUCKET (-1) /* invalid bucket address */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef ISC_LIST(dns_adbname_t) dns_adbnamelist_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef struct dns_adbnamehook dns_adbnamehook_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef ISC_LIST(dns_adbnamehook_t) dns_adbnamehooklist_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef struct dns_adbzoneinfo dns_adbzoneinfo_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef ISC_LIST(dns_adbentry_t) dns_adbentrylist_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef struct dns_adbfetch dns_adbfetch_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtontypedef struct dns_adbfetch6 dns_adbfetch6_t;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstruct dns_adb {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int magic;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mutex_t lock;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mem_t *mctx;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_view_t *view;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_timermgr_t *timermgr;

92ef1a9b9dbd48ecb507b42ac62c15afefdaf838David Lawrence isc_timer_t *timer;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington isc_taskmgr_t *taskmgr;

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein isc_task_t *task;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington

571688b02f955f6304649866e768b1f81739cbedBrian Wellington isc_interval_t tick_interval;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington int next_namebucket;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington int next_entrybucket;

571688b02f955f6304649866e768b1f81739cbedBrian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int irefcnt;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int erefcnt;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mutex_t mplock;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *nmp; /* dns_adbname_t */

ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein isc_mempool_t *nhmp; /* dns_adbnamehook_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *zimp; /* dns_adbzoneinfo_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *emp; /* dns_adbentry_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *ahmp; /* dns_adbfind_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *aimp; /* dns_adbaddrinfo_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *afmp; /* dns_adbfetch_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_t *af6mp; /* dns_adbfetch6_t */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_random_t rand;

557bcc2092642b2d4668c9b08872c9f2bb88bddbMark Andrews

557bcc2092642b2d4668c9b08872c9f2bb88bddbMark Andrews /*

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington dns_adbnamelist_t names[DNS_ADBNAMELIST_LENGTH];

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington isc_mutex_t namelocks[DNS_ADBNAMELIST_LENGTH];

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington isc_boolean_t name_sd[DNS_ADBNAMELIST_LENGTH];

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington unsigned int name_refcnt[DNS_ADBNAMELIST_LENGTH];

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington /*

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington dns_adbentrylist_t entries[DNS_ADBENTRYLIST_LENGTH];

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington isc_mutex_t entrylocks[DNS_ADBENTRYLIST_LENGTH];

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington};

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstruct dns_adbname {

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int magic;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_t name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adb_t *adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int partial_result;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int query_pending;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int flags;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int lock_bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_stdtime_t expire_v4;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_stdtime_t expire_v6;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int chains;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbnamehooklist_t v4;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbnamehooklist_t v6;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfetch_t *fetch_a;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfetch_t *fetch_aaaa;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST(dns_adbfetch6_t) fetches_a6;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST(dns_adbfind_t) finds;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK(dns_adbname_t) plink;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington};

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstruct dns_adbfetch {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int magic;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbnamehook_t *namehook;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbentry_t *entry;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_fetch_t *fetch;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_rdataset_t rdataset;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington};

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstruct dns_adbfetch6 {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int magic;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbnamehook_t *namehook;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbentry_t *entry;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_fetch_t *fetch;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_rdataset_t rdataset;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_a6context_t a6ctx;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_LINK(dns_adbfetch6_t) plink;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington};

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstruct dns_adbnamehook {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington unsigned int magic;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbentry_t *entry;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_LINK(dns_adbnamehook_t) plink;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington};

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstruct dns_adbzoneinfo {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned int magic;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_t zone;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_stdtime_t lame_timer;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ISC_LINK(dns_adbzoneinfo_t) plink;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington};

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellingtonstruct dns_adbentry {

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews unsigned int magic;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington int lock_bucket;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington unsigned int refcnt;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews unsigned int flags;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews int edns_level; /* must be int! */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int goodness; /* bad < 0 <= good */

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington unsigned int srtt;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington isc_sockaddr_t sockaddr;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ISC_LIST(dns_adbzoneinfo_t) zoneinfo;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington ISC_LINK(dns_adbentry_t) plink;

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington};

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline dns_adbname_t *new_adbname(dns_adb_t *, dns_name_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline void free_adbname(dns_adb_t *, dns_adbname_t **);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline dns_adbnamehook_t *new_adbnamehook(dns_adb_t *,

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington dns_adbentry_t *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void free_adbnamehook(dns_adb_t *, dns_adbnamehook_t **);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline dns_adbzoneinfo_t *new_adbzoneinfo(dns_adb_t *, dns_name_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline void free_adbzoneinfo(dns_adb_t *, dns_adbzoneinfo_t **);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline dns_adbentry_t *new_adbentry(dns_adb_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void free_adbentry(dns_adb_t *, dns_adbentry_t **);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbfind_t *new_adbfind(dns_adb_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline void free_adbfind(dns_adb_t *, dns_adbfind_t **);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline dns_adbaddrinfo_t *new_adbaddrinfo(dns_adb_t *,

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington dns_adbentry_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline dns_adbfetch_t *new_adbfetch(dns_adb_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic inline void free_adbfetch(dns_adb_t *, dns_adbfetch_t **);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbfetch6_t *new_adbfetch6(dns_adb_t *, dns_adbname_t *,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_a6context_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void free_adbfetch6(dns_adb_t *, dns_adbfetch6_t **);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline dns_adbname_t *find_name_and_lock(dns_adb_t *, dns_name_t *,

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington int *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline dns_adbentry_t *find_entry_and_lock(dns_adb_t *,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_sockaddr_t *, int *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic void dump_adb(dns_adb_t *, FILE *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic void print_dns_name(FILE *, dns_name_t *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic void print_namehook_list(FILE *, dns_adbname_t *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic void print_find_list(FILE *, dns_adbname_t *);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellingtonstatic void print_fetch_list(FILE *, dns_adbname_t *);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void inc_adb_irefcnt(dns_adb_t *, isc_boolean_t);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void dec_adb_irefcnt(dns_adb_t *, isc_boolean_t);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void inc_adb_erefcnt(dns_adb_t *, isc_boolean_t);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void dec_adb_erefcnt(dns_adb_t *, isc_boolean_t);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellingtonstatic inline void inc_entry_refcnt(dns_adb_t *, dns_adbentry_t *,

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington isc_boolean_t);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void dec_entry_refcnt(dns_adb_t *, dns_adbentry_t *,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonstatic inline void violate_locking_hierarchy(isc_mutex_t *, isc_mutex_t *);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic void clean_namehooks(dns_adb_t *, dns_adbnamehooklist_t *);

de32cbd34e78bdd276e69cff239846760d4ee16eBrian Wellingtonstatic void clean_finds_at_name(dns_adbname_t *, isc_eventtype_t,

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews unsigned int);

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrewsstatic void check_expire_namehooks(dns_adbname_t *, isc_stdtime_t);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonstatic void cancel_fetches_at_name(dns_adb_t *, dns_adbname_t *);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonstatic isc_result_t dbfind_name(dns_adbfind_t *, dns_name_t *,

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews dns_adbname_t *, int, isc_stdtime_t,

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellington dns_rdatatype_t);

d2aebe24c477c70e79dc33ea0507e8886eb7d626Brian Wellingtonstatic isc_result_t fetch_name_v4(dns_adbname_t *, isc_stdtime_t);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic isc_result_t fetch_name_aaaa(dns_adbname_t *, isc_stdtime_t);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsstatic isc_result_t fetch_name_a6(dns_adbname_t *, isc_stdtime_t);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsstatic inline void check_exit(dns_adb_t *);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsstatic void timer_cleanup(isc_task_t *, isc_event_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void destroy(dns_adb_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void shutdown_names(dns_adb_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void link_name(dns_adb_t *, int, dns_adbname_t *);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic inline void unlink_name(dns_adb_t *, dns_adbname_t *);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void kill_name(dns_adbname_t **, isc_eventtype_t);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void fetch_callback_a6(isc_task_t *, isc_event_t *);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic isc_result_t dbfind_a6(dns_adbfind_t *, dns_name_t *,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *, int, isc_stdtime_t);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FIND_EVENT_SENT 0x40000000

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define FIND_EVENT_FREED 0x80000000

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define EVENT_SENT(h) (((h)->flags & FIND_EVENT_SENT) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define EVENT_FREED(h) (((h)->flags & FIND_EVENT_FREED) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NAME_NEEDS_POKE 0x80000000

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NAME_IS_DEAD 0x40000000

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NAME_DEAD(n) (((n)->flags & NAME_IS_DEAD) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NAME_NEEDSPOKE(n) (((n)->flags & NAME_NEEDS_POKE) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define WANTEVENT(x) (((x) & DNS_ADBFIND_WANTEVENT) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define WANTEMPTYEVENT(x) (((x) & DNS_ADBFIND_EMPTYEVENT) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define HAVE_INET(n) (!ISC_LIST_EMPTY((n)->v4))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define HAVE_INET6(n) (!ISC_LIST_EMPTY((n)->v6))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define HAVE_ADDRS(h) (!ISC_LIST_EMPTY((h)->list))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define QUERY_INET(x) (((x) & DNS_ADBFIND_INET) != 0)

2f012d936b5ccdf6520c96a4de23721dc58a2221Automatic Updater#define QUERY_INET6(x) (((x) & DNS_ADBFIND_INET6) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define QUERYPENDING(x, y) (((x) & (y)) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define WANT_INET(x) (((x) & DNS_ADBFIND_INET) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define WANT_INET6(x) (((x) & DNS_ADBFIND_INET6) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define WANTEDADDR(x, y) (((x) & (y)) != 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington#define NO_FETCHES_A(n) ((n)->fetch_a == NULL)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson#define NO_FETCHES_AAAA(n) ((n)->fetch_aaaa == NULL)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson#define NO_FETCHES_A6(n) (ISC_LIST_EMPTY((n)->fetches_a6))

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson#define NO_FETCHES(n) (NO_FETCHES_A(n) \

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson && NO_FETCHES_AAAA(n) \

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson && NO_FETCHES_A6(n))

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic void

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas GustafssonDP(int level, char *format, ...)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson va_list args;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson va_start(args, format);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson isc_log_vwrite(dns_lctx,

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_ADB,

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ISC_LOG_DEBUG(level), format, args);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson va_end(args);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson}

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonstatic isc_result_t

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafssonimport_rdataset(dns_adbname_t *adbname, dns_rdataset_t *rdataset,

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson isc_stdtime_t now)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson{

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews isc_result_t result;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_adb_t *adb;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_adbnamehook_t *nh;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_rdata_t rdata;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson struct in_addr ina;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson struct in6_addr in6a;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson isc_sockaddr_t sockaddr;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_adbentry_t *foundentry; /* NO CLEAN UP! */

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson int addr_bucket;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson isc_boolean_t new_addresses_added;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_rdatatype_t rdtype;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson unsigned int findoptions;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson INSIST(DNS_ADBNAME_VALID(adbname));

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson adb = adbname->adb;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson INSIST(DNS_ADB_VALID(adb));

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews rdtype = rdataset->type;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson INSIST((rdtype == dns_rdatatype_a) || (rdtype == dns_rdatatype_aaaa));

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews if (rdtype == dns_rdatatype_a)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson findoptions = DNS_ADBFIND_INET;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson else

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington findoptions = DNS_ADBFIND_INET6;

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington addr_bucket = DNS_ADB_INVALIDBUCKET;

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington new_addresses_added = ISC_FALSE;

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington result = dns_rdataset_first(rdataset);

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington while (result == ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh = new_adbnamehook(adb, NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (nh == NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adbname->partial_result |= findoptions;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = ISC_R_NOMEMORY;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson goto fail;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

6c7f722d31d12cf83964c8132f0a59ef70e34cb5Mark Andrews

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_rdataset_current(rdataset, &rdata);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (rdtype == dns_rdatatype_a) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(rdata.length == 4);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington memcpy(&ina.s_addr, rdata.data, 4);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_sockaddr_fromin(&sockaddr, &ina, 53);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington } else {

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews INSIST(rdata.length == 16);

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews memcpy(&in6a.s6_addr, rdata.data, 16);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson isc_sockaddr_fromin6(&sockaddr, &in6a, 53);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (foundentry == NULL) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_adbentry_t *entry;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry = new_adbentry(adb);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (entry == NULL) {

2047977ce2dfcfe3a0fa2d638c3242841310fad3Mark Andrews adbname->partial_result |= findoptions;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson result = ISC_R_NOMEMORY;

229ce407c359b0b641759ba1fc4a5fa2054a44daBrian Wellington goto fail;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry->sockaddr = sockaddr;

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews entry->refcnt = 1;

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews entry->lock_bucket = addr_bucket;

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews nh->entry = entry;

6b79e960e6ba2991aeb02a6c39af255ab7f06d99Mark Andrews

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ISC_LIST_APPEND(adb->entries[addr_bucket],

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington } else {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington foundentry->refcnt++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh->entry = foundentry;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington new_addresses_added = ISC_TRUE;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (rdtype == dns_rdatatype_a)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ISC_LIST_APPEND(adbname->v4, nh, plink);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson else

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_APPEND(adbname->v6, nh, plink);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson nh = NULL;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = dns_rdataset_next(rdataset);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington fail:

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (nh != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbnamehook(adb, &nh);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (addr_bucket != DNS_ADB_INVALIDBUCKET)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington UNLOCK(&adb->entrylocks[addr_bucket]);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington adbname->expire_v4 = ISC_MIN(adbname->expire_v4, now + rdataset->ttl);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (new_addresses_added)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (ISC_R_SUCCESS);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (result);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstatic void

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonimport_a6(void *arg, struct in6_addr *address)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington{

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbname_t *name;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adb_t *adb;

307d2084502eddc7ce921e5ce439aec3531d90e0Tatuya JINMEI 神明達哉 dns_adbnamehook_t *nh;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbentry_t *foundentry; /* NO CLEAN UP! */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_stdtime_t now;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_stdtime_t expire_time;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_result_t result;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_boolean_t address_added;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington int addr_bucket;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_sockaddr_t sockaddr;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington name = arg;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington INSIST(DNS_ADBNAME_VALID(name));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington adb = name->adb;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington INSIST(DNS_ADB_VALID(adb));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington address_added = ISC_FALSE;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington result = isc_stdtime_get(&now);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (result != ISC_R_SUCCESS)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington expire_time = now + 30; /* XXX 30 seconds */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington nh = new_adbnamehook(adb, NULL);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (nh == NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington name->partial_result |= DNS_ADBFIND_INET6; /* clear for AAAA */

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington goto fail;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_sockaddr_fromin6(&sockaddr, address, 53);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (foundentry == NULL) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson dns_adbentry_t *entry;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry = new_adbentry(adb);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (entry == NULL) {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson name->partial_result |= DNS_ADBFIND_INET6;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson goto fail;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry->sockaddr = sockaddr;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry->refcnt = 1;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson entry->lock_bucket = addr_bucket;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson nh->entry = entry;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ISC_LIST_APPEND(adb->entries[addr_bucket], entry, plink);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington } else {

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson foundentry->refcnt++;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington nh->entry = foundentry;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson }

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson address_added = ISC_TRUE;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson ISC_LIST_APPEND(name->v6, nh, plink);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson nh = NULL;

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson fail:

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (nh != NULL)

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson free_adbnamehook(adb, &nh);

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson

307ba34fa07db768c3a899844f248a2c1d7dcc7fAndreas Gustafsson if (addr_bucket != DNS_ADB_INVALIDBUCKET)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington UNLOCK(&adb->entrylocks[addr_bucket]);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->expire_v6 = ISC_MIN(name->expire_v6, expire_time);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (address_added)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->flags |= NAME_NEEDS_POKE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

f3ca27e9fe307b55e35ea8d7b37351650630e5a3Andreas Gustafssonkill_name(dns_adbname_t **n, isc_eventtype_t ev)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adb_t *adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(n != NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = *n;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *n = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADBNAME_VALID(name));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb = name->adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADB_VALID(adb));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DP(1, "killing name %p", name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (NAME_DEAD(name) && NO_FETCHES(name)) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unlink_name(adb, name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbname(adb, &name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington clean_finds_at_name(name, ev, DNS_ADBFIND_ADDRESSMASK);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington clean_namehooks(adb, &name->v4);

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington clean_namehooks(adb, &name->v6);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington if (NO_FETCHES(name)) {

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington unlink_name(adb, name);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington free_adbname(adb, &name);

e2fd12f3a020ca8c5de168a44fb72e339cdaa3e9Brian Wellington } else {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->flags |= NAME_IS_DEAD;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington cancel_fetches_at_name(adb, name);

5e387b9ce6bafdfadedb5b34e4c33a4404e5d589Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtoncheck_expire_namehooks(dns_adbname_t *name, isc_stdtime_t now)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adb_t *adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADBNAME_VALID(name));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb = name->adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADB_VALID(adb));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (QUERY_INET(name->query_pending) && (name->expire_v4 < now)) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DP(1, "expiring v4 for name %p", name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington clean_namehooks(adb, &name->v4);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->partial_result &= ~DNS_ADBFIND_INET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (QUERY_INET6(name->query_pending) && (name->expire_v6 < now)) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DP(1, "expiring v6 for name %p", name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington clean_namehooks(adb, &name->v6);

7829fad4093f2c1985b1efb7cea00287ff015d2bckb name->partial_result &= ~DNS_ADBFIND_INET6;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

7829fad4093f2c1985b1efb7cea00287ff015d2bckb}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

7829fad4093f2c1985b1efb7cea00287ff015d2bckbstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonlink_name(dns_adb_t *adb, int bucket, dns_adbname_t *name)

7829fad4093f2c1985b1efb7cea00287ff015d2bckb{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(name->lock_bucket == DNS_ADB_INVALIDBUCKET);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_PREPEND(adb->names[bucket], name, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->lock_bucket = bucket;

a903095bf4512dae561c7f6fc7854a51bebf334aMark Andrews adb->name_refcnt[bucket]++;

a903095bf4512dae561c7f6fc7854a51bebf334aMark Andrews}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonunlink_name(dns_adb_t *adb, dns_adbname_t *name)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington bucket = name->lock_bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(bucket != DNS_ADB_INVALIDBUCKET);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_UNLINK(adb->names[bucket], name, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->lock_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(adb->name_refcnt[bucket] > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->name_refcnt[bucket]--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonviolate_locking_hierarchy(isc_mutex_t *have, isc_mutex_t *want)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (isc_mutex_trylock(want) != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(have);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(want);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(have);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

2f012d936b5ccdf6520c96a4de23721dc58a2221Automatic Updater}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

c0d2891f6e08fcf5379dfb9a1bf8fbbb63f1952aMark Andrewsshutdown_names(dns_adb_t *adb)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *next_name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington for (bucket = 0 ; bucket < DNS_ADBNAMELIST_LENGTH ; bucket++) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->namelocks[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->name_sd[bucket] = ISC_TRUE;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = ISC_LIST_HEAD(adb->names[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington while (name != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington next_name = ISC_LIST_NEXT(name, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington kill_name(&name, DNS_EVENT_ADBSHUTDOWN);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = next_name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* kill_name() will decrement the refcnt. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (adb->name_refcnt[bucket] == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dec_adb_irefcnt(adb, ISC_FALSE);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington UNLOCK(&adb->namelocks[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dump_adb(adb, stderr);

18d0b5e54be891a1aa938c165b6d439859121ec8Mark Andrews}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtoncancel_fetches_at_name(dns_adb_t *adb, dns_adbname_t *name)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (name->fetch_a != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_resolver_cancelfetch(adb->view->resolver,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->fetch_a->fetch);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (name->fetch_aaaa != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_resolver_cancelfetch(adb->view->resolver,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->fetch_aaaa->fetch);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonclean_namehooks(dns_adb_t *adb, dns_adbnamehooklist_t *namehooks)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbentry_t *entry;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbnamehook_t *namehook;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int addr_bucket;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington addr_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington namehook = ISC_LIST_HEAD(*namehooks);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington while (namehook != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADBNAMEHOOK_VALID(namehook));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington entry = namehook->entry;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (entry != NULL) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADBENTRY_VALID(entry));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (addr_bucket != entry->lock_bucket) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (addr_bucket != DNS_ADB_INVALIDBUCKET)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington UNLOCK(&adb->entrylocks[addr_bucket]);

5e387b9ce6bafdfadedb5b34e4c33a4404e5d589Brian Wellington addr_bucket = entry->lock_bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->entrylocks[addr_bucket]);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dec_entry_refcnt(adb, entry, ISC_FALSE);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington namehook->entry = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_UNLINK(*namehooks, namehook, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbnamehook(adb, &namehook);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington namehook = ISC_LIST_HEAD(*namehooks);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington if (addr_bucket != DNS_ADB_INVALIDBUCKET)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews UNLOCK(&adb->entrylocks[addr_bucket]);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonevent_free(isc_event_t *event)

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfind_t *find;

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington INSIST(event != NULL);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews find = event->destroy_arg;

a4c351fcef77fb332e3cb20253fb96556a414a17Brian Wellington INSIST(DNS_ADBFIND_VALID(find));

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews LOCK(&find->lock);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews find->flags |= FIND_EVENT_FREED;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews event->destroy_arg = NULL;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews UNLOCK(&find->lock);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews}

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsstatic void

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsclean_finds_at_name(dns_adbname_t *name, isc_eventtype_t evtype,

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews unsigned int addrs)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews{

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews isc_event_t *ev;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews isc_task_t *task;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews dns_adbfind_t *find;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews dns_adbfind_t *next_find;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews find = ISC_LIST_HEAD(name->finds);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews while (find != NULL) {

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews LOCK(&find->lock);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews next_find = ISC_LIST_NEXT(find, plink);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington find->options &= ~addrs;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington if (evtype != DNS_EVENT_ADBMOREADDRESSES) {

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews if ((find->options & DNS_ADBFIND_ADDRESSMASK) != 0)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews goto next;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews }

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

3fb95bfcb2e478d721d378f0be5ff0a32269bc2aTinderbox User /*

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson ISC_LIST_UNLINK(name->finds, find, plink);

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson find->adbname = NULL;

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson find->name_bucket = DNS_ADB_INVALIDBUCKET;

6e93e6ea4557291e847aced6a88adcdf39f06843Andreas Gustafsson

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!EVENT_SENT(find));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ev = &find->event;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington task = ev->sender;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington ev->sender = find;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington ev->type = evtype;

75e1e12f48012505699f504cfa364260cb2bc1afBrian Wellington ev->destroy = event_free;

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington ev->destroy_arg = find;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington DP(1, "Sending event %p to task %p for find %p",

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ev, task, find);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_task_sendanddetach(&task, &ev);

2f012d936b5ccdf6520c96a4de23721dc58a2221Automatic Updater

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington next:

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&find->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington find = next_find;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt

793814f80703afdd69b59ade91e63efa81ae4178Evan Huntstatic inline void

793814f80703afdd69b59ade91e63efa81ae4178Evan Huntcheck_exit(dns_adb_t *adb)

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt{

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt if ((adb->irefcnt == 0) && (adb->erefcnt == 0)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington && (isc_mempool_getallocated(adb->ahmp) == 0))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_task_shutdown(adb->task);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtoninc_adb_irefcnt(dns_adb_t *adb, isc_boolean_t lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->lock);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->irefcnt++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&adb->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtondec_adb_irefcnt(dns_adb_t *adb, isc_boolean_t lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(adb->irefcnt > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->irefcnt--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington check_exit(adb);

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&adb->lock);

fefe1106d96d3a89b21315f665b36a67cdea3840Mark Andrews}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsinc_adb_erefcnt(dns_adb_t *adb, isc_boolean_t lock)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews{

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->erefcnt++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt if (lock)

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt UNLOCK(&adb->lock);

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews}

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrewsstatic inline void

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrewsdec_adb_erefcnt(dns_adb_t *adb, isc_boolean_t lock)

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews{

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(adb->erefcnt > 0);

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews adb->erefcnt--;

85fcd0b9b2d80be4646187d7094e5644a52e3263Mark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington check_exit(adb);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews if (lock)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews UNLOCK(&adb->lock);

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews}

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsstatic inline void

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrewsinc_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock)

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews{

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews int bucket;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews bucket = entry->lock_bucket;

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington LOCK(&adb->entrylocks[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington entry->refcnt++;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNLOCK(&adb->entrylocks[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtondec_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington int bucket;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_boolean_t destroy_entry;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington bucket = entry->lock_bucket;

0a45f098e446a7f41c2a71d9dd0fd8f459b49c34Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (lock)

0a45f098e446a7f41c2a71d9dd0fd8f459b49c34Brian Wellington LOCK(&adb->entrylocks[bucket]);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(entry->refcnt > 0);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington entry->refcnt--;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington destroy_entry = ISC_FALSE;

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington if (entry->refcnt == 0) {

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington destroy_entry = ISC_TRUE;

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington ISC_LIST_UNLINK(adb->entries[bucket], entry, plink);

b1b0dca1464a11b8a63623e8567e744dccfbcb41Tatuya JINMEI 神明達哉 }

b1b0dca1464a11b8a63623e8567e744dccfbcb41Tatuya JINMEI 神明達哉

ab381c1e22e0ed732170428937d20d13146d863aAutomatic Updater if (lock)

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington UNLOCK(&adb->entrylocks[bucket]);

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington

b1b0dca1464a11b8a63623e8567e744dccfbcb41Tatuya JINMEI 神明達哉 if (!destroy_entry)

c302b021cc65cc9a358a9a1cbe48de12364f4cb6Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington entry->lock_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbentry(adb, &entry);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbname_t *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonnew_adbname(dns_adb_t *adb, dns_name_t *dnsname)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = isc_mempool_get(adb->nmp);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (name == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

75582adac73202213d936dc0850f1c9cf47d6cbeMark Andrews dns_name_init(&name->name, NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (dns_name_dup(dnsname, adb->mctx, &name->name) != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->nmp, name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->magic = DNS_ADBNAME_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->adb = adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->partial_result = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->query_pending = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->flags = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->expire_v4 = INT_MAX;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->expire_v6 = INT_MAX;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->chains = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->lock_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(name->v4);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(name->v6);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->fetch_a = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->fetch_aaaa = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(name->fetches_a6);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(name->finds);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(name, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonfree_adbname(dns_adb_t *adb, dns_adbname_t **name)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *n;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(name != NULL && DNS_ADBNAME_VALID(*name));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington n = *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *name = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!HAVE_INET(n));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!HAVE_INET6(n));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(NO_FETCHES(n));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(ISC_LIST_EMPTY(n->finds));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!ISC_LINK_LINKED(n, plink));

b7cd261f2fca2c7138cdc6ae8ee434e9c0031303Brian Wellington INSIST(n->lock_bucket == DNS_ADB_INVALIDBUCKET);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(n->adb == adb);

cfcb0881d12db2b7cb33475b7d20ac6c9015203bMark Andrews

cfcb0881d12db2b7cb33475b7d20ac6c9015203bMark Andrews n->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_free(&n->name, adb->mctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->nmp, n);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbnamehook_t *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonnew_adbnamehook(dns_adb_t *adb, dns_adbentry_t *entry)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbnamehook_t *nh;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh = isc_mempool_get(adb->nhmp);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (nh == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh->magic = DNS_ADBNAMEHOOK_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh->entry = entry;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(nh, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (nh);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonfree_adbnamehook(dns_adb_t *adb, dns_adbnamehook_t **namehook)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbnamehook_t *nh;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(namehook != NULL && DNS_ADBNAMEHOOK_VALID(*namehook));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh = *namehook;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *namehook = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(nh->entry == NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!ISC_LINK_LINKED(nh, plink));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington nh->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->nhmp, nh);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafssonstatic inline dns_adbzoneinfo_t *

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafssonnew_adbzoneinfo(dns_adb_t *adb, dns_name_t *zone)

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbzoneinfo_t *zi;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington zi = isc_mempool_get(adb->zimp);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (zi == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_init(&zi->zone, NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (dns_name_dup(zone, adb->mctx, &zi->zone) != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->zimp, zi);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington zi->magic = DNS_ADBZONEINFO_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington zi->lame_timer = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(zi, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (zi);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafsson

7a6f285bc933d08353d2f18290c85def575b6e57Andreas Gustafssonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonfree_adbzoneinfo(dns_adb_t *adb, dns_adbzoneinfo_t **zoneinfo)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbzoneinfo_t *zi;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(zoneinfo != NULL && DNS_ADBZONEINFO_VALID(*zoneinfo));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington zi = *zoneinfo;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *zoneinfo = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(!ISC_LINK_LINKED(zi, plink));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_free(&zi->zone, adb->mctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington zi->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->zimp, zi);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbentry_t *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonnew_adbentry(dns_adb_t *adb)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbentry_t *e;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_uint32_t r;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e = isc_mempool_get(adb->emp);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (e == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e->magic = DNS_ADBENTRY_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e->lock_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e->refcnt = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e->flags = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington e->goodness = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_random_get(&adb->rand, &r);

6098d364b690cb9dabf96e9664c4689c8559bd2eMark Andrews e->srtt = (r & 0x1f) + 1;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(e->zoneinfo);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_LINK_INIT(e, plink);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington return (e);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonstatic inline void

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonfree_adbentry(dns_adb_t *adb, dns_adbentry_t **entry)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington{

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbentry_t *e;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbzoneinfo_t *zi;

6098d364b690cb9dabf96e9664c4689c8559bd2eMark Andrews

6098d364b690cb9dabf96e9664c4689c8559bd2eMark Andrews INSIST(entry != NULL && DNS_ADBENTRY_VALID(*entry));

6e2871232f7ede047799480370aff444be1f5a13Automatic Updater e = *entry;

6098d364b690cb9dabf96e9664c4689c8559bd2eMark Andrews *entry = NULL;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington INSIST(e->lock_bucket == DNS_ADB_INVALIDBUCKET);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington INSIST(e->refcnt == 0);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington INSIST(!ISC_LINK_LINKED(e, plink));

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington e->magic = 0;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

6098d364b690cb9dabf96e9664c4689c8559bd2eMark Andrews zi = ISC_LIST_HEAD(e->zoneinfo);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington while (zi != NULL) {

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington ISC_LIST_UNLINK(e->zoneinfo, zi, plink);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington free_adbzoneinfo(adb, &zi);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington zi = ISC_LIST_HEAD(e->zoneinfo);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington }

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_mempool_put(adb->emp, e);

23f64ea0dcd7f5b7094ae6ade2a002fb7dde1466Brian Wellington}

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

daa73eae708d568d453e6082e0890d35886a9e0fMark Andrewsstatic inline dns_adbfind_t *

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellingtonnew_adbfind(dns_adb_t *adb)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington{

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington dns_adbfind_t *h;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington isc_result_t result;

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington h = isc_mempool_get(adb->ahmp);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington if (h == NULL)

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington return (NULL);

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington

60b90a37f41ab7607762d0e9791e79bd19eae4f4Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->adb = adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->query_pending = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->partial_result = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->options = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(h, publink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LINK_INIT(h, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_INIT(h->list);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->adbname = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->name_bucket = DNS_ADB_INVALIDBUCKET;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->flags = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = isc_mutex_init(&h->lock);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (result != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington UNEXPECTED_ERROR(__FILE__, __LINE__,

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews "isc_mutex_init failed in new_adbfind()");

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->ahmp, h);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_EVENT_INIT(&h->event, sizeof (isc_event_t), 0, 0, 0, NULL, NULL,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington NULL, NULL, h);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington h->magic = DNS_ADBFIND_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (h);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbfetch_t *

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonnew_adbfetch(dns_adb_t *adb)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfetch_t *f;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f = isc_mempool_get(adb->afmp);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->namehook = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->entry = NULL;

2f012d936b5ccdf6520c96a4de23721dc58a2221Automatic Updater f->fetch = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->namehook = new_adbnamehook(adb, NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->namehook == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington goto err;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->entry = new_adbentry(adb);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->entry == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington goto err;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdataset_init(&f->rdataset);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->magic = DNS_ADBFETCH_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (f);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington err:

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->namehook != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbnamehook(adb, &f->namehook);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->entry != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbentry(adb, &f->entry);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->afmp, f);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonfree_adbfetch(dns_adb_t *adb, dns_adbfetch_t **fetch)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington{

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfetch_t *f;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(fetch != NULL && DNS_ADBFETCH_VALID(*fetch));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f = *fetch;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington *fetch = NULL;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington f->magic = 0;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->namehook != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbnamehook(adb, &f->namehook);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->entry != NULL)

f8abaa0fae7f75d9601c10b6a4af8dd907494d45Mark Andrews free_adbentry(adb, &f->entry);

b55c30f2de6e1baaa3a9ba69b92f428f2c255ac3Mark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (dns_rdataset_isassociated(&f->rdataset))

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdataset_disassociate(&f->rdataset);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_mempool_put(adb->afmp, f);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

f8abaa0fae7f75d9601c10b6a4af8dd907494d45Mark Andrews

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic isc_result_t

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtona6find(void *arg, dns_name_t *a6name, dns_rdatatype_t type,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adb_t *adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = arg;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADBNAME_VALID(name));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb = name->adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington INSIST(DNS_ADB_VALID(adb));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /*

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return (dns_view_find(adb->view, a6name, type, 0, 0, ISC_FALSE,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington rdataset, sigrdataset));

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic void

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtona6missing(dns_a6context_t *a6ctx, dns_name_t *a6name) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbname_t *name;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adb_t *adb;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_adbfetch6_t *fetch;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_result_t result;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdataset_t nameservers;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_name_t fname;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington isc_buffer_t buffer;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington unsigned char ndata[256];

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name = a6ctx->arg;

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews INSIST(DNS_ADBNAME_VALID(name));

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews adb = name->adb;

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews INSIST(DNS_ADB_VALID(adb));

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews isc_buffer_init(&buffer, ndata, sizeof(ndata), ISC_BUFFERTYPE_BINARY);

4a30ede93d59137009db734661cde17612e8ffbeMark Andrews dns_name_init(&fname, NULL);

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews dns_name_setbuffer(&fname, &buffer);

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews dns_rdataset_init(&nameservers);

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews fetch = new_adbfetch6(adb, name, a6ctx);

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews if (fetch == NULL) {

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews name->partial_result |= DNS_ADBFIND_INET6;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington return;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington /* XXXRTH Use cached 'now' from name. */

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = dns_view_findzonecut(adb->view, a6name, &fname, 0,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington 0, ISC_TRUE, &nameservers, NULL);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (result != ISC_R_SUCCESS)

7829fad4093f2c1985b1efb7cea00287ff015d2bckb goto cleanup;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington result = dns_resolver_createfetch(adb->view->resolver, a6name,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdatatype_a6, &fname,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington &nameservers, NULL, 0,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington adb->task, fetch_callback_a6,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name, &fetch->rdataset, NULL,

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt &fetch->fetch);

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt if (result != ISC_R_SUCCESS)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington goto cleanup;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->chains = a6ctx->chains;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington ISC_LIST_APPEND(name->fetches_a6, fetch, plink);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington cleanup:

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (result != ISC_R_SUCCESS) {

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington free_adbfetch6(adb, &fetch);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington name->partial_result |= DNS_ADBFIND_INET6;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington }

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington}

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellingtonstatic inline dns_adbfetch6_t *

4a30ede93d59137009db734661cde17612e8ffbeMark Andrewsnew_adbfetch6(dns_adb_t *adb, dns_adbname_t *name, dns_a6context_t *a6ctx)

a03848252fa85734ca75beae3d0b01bb503c0a8bMark Andrews{

d0eb2cc33c5db3366a16b1cb0abcca6ec7c8ee3cTatuya JINMEI 神明達哉 dns_adbfetch6_t *f;

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f = isc_mempool_get(adb->af6mp);

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt if (f == NULL)

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt return (NULL);

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f->magic = 0;

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f->namehook = NULL;

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f->entry = NULL;

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f->fetch = NULL;

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt f->namehook = new_adbnamehook(adb, NULL);

793814f80703afdd69b59ade91e63efa81ae4178Evan Hunt if (f->namehook == NULL)

dd2a0a6d2dec1c23787351e51b434a838dec5603Evan Hunt goto err;

dd2a0a6d2dec1c23787351e51b434a838dec5603Evan Hunt

dd2a0a6d2dec1c23787351e51b434a838dec5603Evan Hunt f->entry = new_adbentry(adb);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington if (f->entry == NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington goto err;

6fd4ab217ef8e37703b029eac5ab7ae4f7a663c9Brian Wellington

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_rdataset_init(&f->rdataset);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington if (a6ctx != NULL)

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_a6_copy(a6ctx, &f->a6ctx);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington else

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington dns_a6_init(&f->a6ctx, a6find, NULL, import_a6,

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington a6missing, name);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington f->magic = DNS_ADBFETCH6_MAGIC;

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington return (f);

033ba09d6df0ac92a736a480b9c3b164b61dccb2Brian Wellington

77ac297199fc44809d9628558223627c10ae3f31Brian Wellington err: