cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington

47058d17266420179fa294de6b82d8fb5b918df4Michael Sawyer#include <config.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <stddef.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/app.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/mem.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <isc/mutex.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <isc/sockaddr.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <isc/socket.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <isc/task.h>

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington#include <isc/timer.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <isc/util.h>

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer

c9defbf4b968e8a61f391246431ac63d0d6a39abMichael Sawyer#include <dns/adb.h>

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

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/db.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/dispatch.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/events.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/forward.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/keytable.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/message.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/name.h>

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer#include <dns/rdata.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdatalist.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdataset.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdatatype.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdatasetiter.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/rdatastruct.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/request.h>

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

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer#include <dns/result.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/tsec.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/tsig.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dns/view.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#include <dst/dst.h>

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_CLIENT_MAGIC ISC_MAGIC('D', 'N', 'S', 'c')

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define DNS_CLIENT_VALID(c) ISC_MAGIC_VALID(c, DNS_CLIENT_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define RCTX_MAGIC ISC_MAGIC('R', 'c', 't', 'x')

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define RCTX_VALID(c) ISC_MAGIC_VALID(c, RCTX_MAGIC)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

1893b56ef9f5f2bc2a0fbe80d3c6b69df1bdc7c2Michael Sawyer#define REQCTX_MAGIC ISC_MAGIC('R', 'q', 'c', 'x')

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington#define REQCTX_VALID(c) ISC_MAGIC_VALID(c, REQCTX_MAGIC)

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer#define UCTX_MAGIC ISC_MAGIC('U', 'c', 't', 'x')

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#define UCTX_VALID(c) ISC_MAGIC_VALID(c, UCTX_MAGIC)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer#define MAX_RESTARTS 16

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyerstruct dns_client {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /* Unlocked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int magic;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int attributes;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mutex_t lock;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mem_t *mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_appctx_t *actx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_taskmgr_t *taskmgr;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington isc_task_t *task;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_socketmgr_t *socketmgr;

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer isc_timermgr_t *timermgr;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_dispatchmgr_t *dispatchmgr;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_dispatch_t *dispatchv4;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_dispatch_t *dispatchv6;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int update_timeout;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int update_udptimeout;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int update_udpretries;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int find_timeout;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int find_udpretries;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /* Locked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int references;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_viewlist_t viewlist;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LIST(struct resctx) resctxs;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LIST(struct reqctx) reqctxs;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LIST(struct updatectx) updatectxs;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer};

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DEF_UPDATE_TIMEOUT 300

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define MIN_UPDATE_TIMEOUT 30

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DEF_UPDATE_UDPTIMEOUT 3

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DEF_UPDATE_UDPRETRIES 3

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DEF_FIND_TIMEOUT 5

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence#define DEF_FIND_UDPRETRIES 3

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_CLIENTATTR_OWNCTX 0x01

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer#define DNS_CLIENTVIEW_NAME "dnsclient"

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyertypedef struct resctx {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Unlocked */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int magic;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mutex_t lock;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_client_t *client;

e32394a2ac3466a2235f79ee32c247a11be42a8dAndreas Gustafsson isc_boolean_t want_dnssec;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Locked */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LINK(struct resctx) link;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_task_t *task;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_t *view;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int restarts;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fixedname_t name;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdatatype_t type;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fetch_t *fetch;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_namelist_t namelist;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientresevent_t *event;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t canceled;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataset_t *rdataset;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataset_t *sigrdataset;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer} resctx_t;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyertypedef struct resarg {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Unlocked */

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington isc_appctx_t *actx;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington dns_client_t *client;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington isc_mutex_t lock;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence /* Locked */

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson isc_result_t result;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence isc_result_t vresult;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_namelist_t *namelist;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_clientrestrans_t *trans;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t canceled;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington} resarg_t;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellingtontypedef struct reqctx {

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington /* Unlocked */

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington unsigned int magic;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington isc_mutex_t lock;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington dns_client_t *client;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington unsigned int parseoptions;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cc48bb397fa6ba889f25157840492e68114dec8fBrian Wellington /* Locked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LINK(struct reqctx) link;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_boolean_t canceled;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_tsigkey_t *tsigkey;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_request_t *request;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_clientreqevent_t *event;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson} reqctx_t;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafssontypedef struct reqarg {

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson /* Unlocked */

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson isc_appctx_t *actx;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_client_t *client;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mutex_t lock;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /* Locked */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientreqtrans_t *trans;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_boolean_t canceled;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer} reqarg_t;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyertypedef struct updatearg {

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson /* Unlocked */

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson isc_appctx_t *actx;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_client_t *client;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_mutex_t lock;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Locked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_result_t result;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_clientupdatetrans_t *trans;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_boolean_t canceled;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer} updatearg_t;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrencetypedef struct updatectx {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Unlocked */

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer unsigned int magic;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer isc_mutex_t lock;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_client_t *client;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Locked */

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_request_t *updatereq;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_request_t *soareq;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientrestrans_t *restrans;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientrestrans_t *restrans2;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t canceled;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Task Locked */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LINK(struct updatectx) link;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientupdatestate_t state;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataclass_t rdclass;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_t *view;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_message_t *updatemsg;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_message_t *soaquery;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_clientupdateevent_t *event;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_tsigkey_t *tsigkey;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dst_key_t *sig0key;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *firstname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t soaqname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fixedname_t zonefname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *zonename;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddrlist_t servers;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int nservers;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t *currentserver;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer struct updatectx *bp4;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer struct updatectx *bp6;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer} updatectx_t;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t request_soa(updatectx_t *uctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void client_resfind(resctx_t *rctx, dns_fetchevent_t *event);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t send_update(updatectx_t *uctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyergetudpdispatch(int family, dns_dispatchmgr_t *dispatchmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_socketmgr_t *socketmgr, isc_taskmgr_t *taskmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_boolean_t is_shared, dns_dispatch_t **dispp,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t *localaddr)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer{

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int attrs, attrmask;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dispatch_t *disp;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned buffersize, maxbuffers, maxrequests, buckets, increment;

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_t anyaddr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrs = 0;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrs |= DNS_DISPATCHATTR_UDP;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer switch (family) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer case AF_INET:

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrs |= DNS_DISPATCHATTR_IPV4;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer break;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer case AF_INET6:

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrs |= DNS_DISPATCHATTR_IPV6;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer break;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer default:

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(0);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrmask = 0;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrmask |= DNS_DISPATCHATTR_UDP;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrmask |= DNS_DISPATCHATTR_TCP;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrmask |= DNS_DISPATCHATTR_IPV4;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrmask |= DNS_DISPATCHATTR_IPV6;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (localaddr == NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer localaddr = &anyaddr;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_sockaddr_anyofpf(localaddr, family);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer buffersize = 4096;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer maxbuffers = is_shared ? 1000 : 8;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer maxrequests = 32768;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer buckets = is_shared ? 16411 : 3;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer increment = is_shared ? 16433 : 5;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer disp = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_dispatch_getudp(dispatchmgr, socketmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer taskmgr, localaddr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer buffersize, maxbuffers, maxrequests,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer buckets, increment,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer attrs, attrmask, &disp);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result == ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer *dispp = disp;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_client_createview(isc_mem_t *mctx, dns_rdataclass_t rdclass,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int options, isc_taskmgr_t *taskmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int ntasks, isc_socketmgr_t *socketmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_timermgr_t *timermgr, dns_dispatchmgr_t *dispatchmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dispatch_t *dispatchv4, dns_dispatch_t *dispatchv6,

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_view_t **viewp)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer{

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_t *view = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer const char *dbtype;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_view_create(mctx, rdclass, DNS_CLIENTVIEW_NAME, &view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence /* Initialize view security roots */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_view_initsecroots(view, mctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_detach(&view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence result = dns_view_createresolver(view, taskmgr, ntasks, 1, socketmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer timermgr, 0, dispatchmgr,

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dispatchv4, dispatchv6);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (result != ISC_R_SUCCESS) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_detach(&view);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer return (result);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if ((options & DNS_CLIENTCREATEOPT_USECACHE) != 0)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dbtype = "rbt";

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer else

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dbtype = "ecdb";

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_db_create(mctx, dbtype, dns_rootname, dns_dbtype_cache,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer rdclass, 0, NULL, &view->cachedb);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_view_detach(&view);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer }

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer *viewp = view;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_SUCCESS);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerdns_client_create(dns_client_t **clientp, unsigned int options) {

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_result_t result;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_mem_t *mctx = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_appctx_t *actx = NULL;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson isc_taskmgr_t *taskmgr = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_socketmgr_t *socketmgr = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_timermgr_t *timermgr = NULL;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson#if 0

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /* XXXMPA add debug logging support */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_log_t *lctx = NULL;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson isc_logconfig_t *logconfig = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer unsigned int logdebuglevel = 0;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_mem_create(0, 0, &mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_appctx_create(mctx, &actx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_app_ctxstart(actx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_taskmgr_createinctx(mctx, actx, 1, 0, &taskmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_socketmgr_createinctx(mctx, actx, &socketmgr);

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_timermgr_createinctx(mctx, actx, &timermgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#if 0

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_log_create(mctx, &lctx, &logconfig);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_log_setcontext(lctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_log_init(lctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_log_setcontext(lctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_log_usechannel(logconfig, "default_debug", NULL, NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_log_setdebuglevel(lctx, logdebuglevel);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer#endif

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_client_createx(mctx, actx, taskmgr, socketmgr, timermgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer options, clientp);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer (*clientp)->attributes |= DNS_CLIENTATTR_OWNCTX;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer /* client has its own reference to mctx, so we can detach it here */

a5ed46c9fd270775c39770bfd0250a52d374ebf2Michael Sawyer isc_mem_detach(&mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_SUCCESS);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer cleanup:

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (taskmgr != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_taskmgr_destroy(&taskmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (timermgr != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_timermgr_destroy(&timermgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (socketmgr != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_socketmgr_destroy(&socketmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (actx != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_appctx_destroy(&actx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_mem_detach(&mctx);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerdns_client_createx(isc_mem_t *mctx, isc_appctx_t *actx, isc_taskmgr_t *taskmgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_socketmgr_t *socketmgr, isc_timermgr_t *timermgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer unsigned int options, dns_client_t **clientp)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer{

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_result_t result;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_client_createx2(mctx, actx, taskmgr, socketmgr, timermgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer options, clientp, NULL, NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerdns_client_createx2(isc_mem_t *mctx, isc_appctx_t *actx,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_taskmgr_t *taskmgr, isc_socketmgr_t *socketmgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_timermgr_t *timermgr, unsigned int options,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_client_t **clientp, isc_sockaddr_t *localaddr4,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_sockaddr_t *localaddr6)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer{

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_client_t *client;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_result_t result;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_dispatchmgr_t *dispatchmgr = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_dispatch_t *dispatchv4 = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_dispatch_t *dispatchv6 = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_view_t *view = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(mctx != NULL);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson REQUIRE(taskmgr != NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(timermgr != NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer REQUIRE(socketmgr != NULL);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson REQUIRE(clientp != NULL && *clientp == NULL);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

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

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (client == NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_NOMEMORY);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

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

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS) {

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

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence }

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->actx = actx;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->taskmgr = taskmgr;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->socketmgr = socketmgr;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->timermgr = timermgr;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->task = NULL;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = isc_task_create(client->taskmgr, 0, &client->task);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_dispatchmgr_create(mctx, NULL, &dispatchmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->dispatchmgr = dispatchmgr;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /*

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer client->dispatchv4 = NULL;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson if (localaddr4 != NULL || localaddr6 == NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = getudpdispatch(AF_INET, dispatchmgr, socketmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer taskmgr, ISC_TRUE,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &dispatchv4, localaddr4);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result == ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer client->dispatchv4 = dispatchv4;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer client->dispatchv6 = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (localaddr6 != NULL || localaddr4 == NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = getudpdispatch(AF_INET6, dispatchmgr, socketmgr,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer taskmgr, ISC_TRUE,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &dispatchv6, localaddr6);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson if (result == ISC_R_SUCCESS)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer client->dispatchv6 = dispatchv6;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer }

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* We need at least one of the dispatchers */

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (dispatchv4 == NULL && dispatchv6 == NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(result != ISC_R_SUCCESS);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto cleanup;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /* Create the default view for class IN */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer result = dns_client_createview(mctx, dns_rdataclass_in, options,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer taskmgr, 31, socketmgr, timermgr,

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dispatchmgr, dispatchv4, dispatchv6,

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson &view);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (result != ISC_R_SUCCESS)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer goto cleanup;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_LIST_INIT(client->viewlist);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer ISC_LIST_APPEND(client->viewlist, view, link);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson dns_view_freeze(view); /* too early? */

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence ISC_LIST_INIT(client->resctxs);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LIST_INIT(client->reqctxs);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson ISC_LIST_INIT(client->updatectxs);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence client->mctx = NULL;

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

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson client->update_timeout = DEF_UPDATE_TIMEOUT;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->update_udptimeout = DEF_UPDATE_UDPTIMEOUT;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->update_udpretries = DEF_UPDATE_UDPRETRIES;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->find_timeout = DEF_FIND_TIMEOUT;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer client->find_udpretries = DEF_FIND_UDPRETRIES;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer client->attributes = 0;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer client->references = 1;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer client->magic = DNS_CLIENT_MAGIC;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer *clientp = client;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (ISC_R_SUCCESS);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer cleanup:

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence if (dispatchv4 != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dispatch_detach(&dispatchv4);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (dispatchv6 != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_dispatch_detach(&dispatchv6);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (dispatchmgr != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer dns_dispatchmgr_destroy(&dispatchmgr);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (client->task != NULL)

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer isc_task_detach(&client->task);

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

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer return (result);

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer}

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerstatic void

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyerdestroyclient(dns_client_t **clientp) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_client_t *client = *clientp;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_view_t *view;

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson while ((view = ISC_LIST_HEAD(client->viewlist)) != NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LIST_UNLINK(client->viewlist, view, link);

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_view_detach(&view);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson }

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer if (client->dispatchv4 != NULL)

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_dispatch_detach(&client->dispatchv4);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson if (client->dispatchv6 != NULL)

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_dispatch_detach(&client->dispatchv6);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_dispatchmgr_destroy(&client->dispatchmgr);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer isc_task_detach(&client->task);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /*

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer if ((client->attributes & DNS_CLIENTATTR_OWNCTX) != 0) {

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_taskmgr_destroy(&client->taskmgr);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_timermgr_destroy(&client->timermgr);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_socketmgr_destroy(&client->socketmgr);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_app_ctxfinish(client->actx);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_appctx_destroy(&client->actx);

5564b21be5cf3e7b8f751af268f2c1522c1744e3David Lawrence }

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer DESTROYLOCK(&client->lock);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer client->magic = 0;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_mem_putanddetach(&client->mctx, client, sizeof(*client));

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer *clientp = NULL;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer}

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyerdns_client_destroy(dns_client_t **clientp) {

5564b21be5cf3e7b8f751af268f2c1522c1744e3David Lawrence dns_client_t *client;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer isc_boolean_t destroyok = ISC_FALSE;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer REQUIRE(clientp != NULL);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer client = *clientp;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_CLIENT_VALID(client));

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer

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

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer client->references--;

844eaa56d6d647b38b2a5cf08f7ea5ab7b752690Michael Sawyer if (client->references == 0 && ISC_LIST_EMPTY(client->resctxs) &&

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LIST_EMPTY(client->reqctxs) &&

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ISC_LIST_EMPTY(client->updatectxs)) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer destroyok = ISC_TRUE;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

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

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer if (destroyok)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer destroyclient(&client);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer *clientp = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerdns_client_setservers(dns_client_t *client, dns_rdataclass_t rdclass,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *namespace, isc_sockaddrlist_t *addrs)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer{

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer isc_result_t result;

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_view_t *view = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(DNS_CLIENT_VALID(client));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(addrs != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer if (namespace == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer namespace = dns_rootname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

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

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer rdclass, &view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS) {

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

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

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

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_fwdtable_add(view->fwdtable, namespace, addrs,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fwdpolicy_only);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_view_detach(&view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyerdns_client_clearservers(dns_client_t *client, dns_rdataclass_t rdclass,

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer dns_name_t *namespace)

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer{

d821f1cd7e97552401296e880e7518c98c9ebea1Michael Sawyer isc_result_t result;

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer dns_view_t *view = NULL;

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer REQUIRE(DNS_CLIENT_VALID(client));

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer if (namespace == NULL)

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer namespace = dns_rootname;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer LOCK(&client->lock);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer rdclass, &view);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS) {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer UNLOCK(&client->lock);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer return (result);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer }

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer UNLOCK(&client->lock);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_fwdtable_delete(view->fwdtable, namespace);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer dns_view_detach(&view);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer return (result);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer}

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyerstatic isc_result_t

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyergetrdataset(isc_mem_t *mctx, dns_rdataset_t **rdatasetp) {

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer dns_rdataset_t *rdataset;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(mctx != NULL);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer REQUIRE(rdatasetp != NULL && *rdatasetp == NULL);

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence rdataset = isc_mem_get(mctx, sizeof(*rdataset));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (rdataset == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (ISC_R_NOMEMORY);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataset_init(rdataset);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer *rdatasetp = rdataset;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (ISC_R_SUCCESS);

9fe3676b8490319aa65182f2072cbf5086097979Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerputrdataset(isc_mem_t *mctx, dns_rdataset_t **rdatasetp) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdataset_t *rdataset;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

17747cd5ee98901b435cd2b3019c52937955a981Michael Sawyer REQUIRE(rdatasetp != NULL);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer rdataset = *rdatasetp;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer REQUIRE(rdataset != NULL);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer if (dns_rdataset_isassociated(rdataset))

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer dns_rdataset_disassociate(rdataset);

48674819ebf9176b5d5582ae851e485c324c1159Michael Sawyer

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

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer *rdatasetp = NULL;

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic void

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellingtonfetch_done(isc_task_t *task, isc_event_t *event) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer resctx_t *rctx = event->ev_arg;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fetchevent_t *fevent;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(event->ev_type == DNS_EVENT_FETCHDONE);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(RCTX_VALID(rctx));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(rctx->task == task);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer fevent = (dns_fetchevent_t *)event;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer client_resfind(rctx, fevent);

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic inline isc_result_t

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstart_fetch(resctx_t *rctx) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(rctx->fetch == NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_resolver_createfetch(rctx->view->resolver,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fixedname_name(&rctx->name),

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer rctx->type,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer NULL, NULL, NULL, 0,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer rctx->task, fetch_done, rctx,

cd720113a2fc8a781d4e33350b8a2b62857b31d8David Lawrence rctx->rdataset,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer rctx->sigrdataset,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &rctx->fetch);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer return (result);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer}

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerstatic isc_result_t

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyerview_find(resctx_t *rctx, dns_db_t **dbp, dns_dbnode_t **nodep,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *foundname)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer{

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_result_t result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *name = dns_fixedname_name(&rctx->name);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdatatype_t type;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (rctx->type == dns_rdatatype_rrsig)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer type = dns_rdatatype_any;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer else

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer type = rctx->type;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = dns_view_find(rctx->view, name, type, 0, 0, ISC_FALSE,

6e3a8e17fdf108f47bbba17474fd3d120d356b2fBrian Wellington dbp, nodep, foundname, rctx->rdataset,

6e3a8e17fdf108f47bbba17474fd3d120d356b2fBrian Wellington rctx->sigrdataset);

6e3a8e17fdf108f47bbba17474fd3d120d356b2fBrian Wellington

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington return (result);

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington}

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellingtonstatic void

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellingtonclient_resfind(resctx_t *rctx, dns_fetchevent_t *event) {

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_mem_t *mctx;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_result_t tresult, result = ISC_R_SUCCESS;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_result_t vresult = ISC_R_SUCCESS;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_boolean_t want_restart;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington isc_boolean_t send_event = ISC_FALSE;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington dns_name_t *name, *prefix;

5f01e77fc23fe9665fa2b8acd0a0c5bfbf61d61dBrian Wellington dns_fixedname_t foundname, fixed;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence dns_rdataset_t *trdataset;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdata_t rdata = DNS_RDATA_INIT;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer unsigned int nlabels;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer int order;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_namereln_t namereln;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdata_cname_t cname;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_rdata_dname_t dname;

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer REQUIRE(RCTX_VALID(rctx));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson LOCK(&rctx->lock);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer mctx = rctx->view->mctx;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer name = dns_fixedname_name(&rctx->name);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer do {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *fname = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *ansname = NULL;

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer dns_db_t *db = NULL;

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer dns_dbnode_t *node = NULL;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer rctx->restarts++;

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer want_restart = ISC_FALSE;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer

19c8df90f1f23c3df870c1771c89c1acdb15020eMichael Sawyer if (event == NULL && !rctx->canceled) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_fixedname_init(&foundname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer fname = dns_fixedname_name(&foundname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(!dns_rdataset_isassociated(rctx->rdataset));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(rctx->sigrdataset == NULL ||

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer !dns_rdataset_isassociated(rctx->sigrdataset));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = view_find(rctx, &db, &node, fname);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result == ISC_R_NOTFOUND) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (node != NULL) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(db != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_detachnode(db, &node);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (db != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_db_detach(&db);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = start_fetch(rctx);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (result != ISC_R_SUCCESS) {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer putrdataset(mctx, &rctx->rdataset);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (rctx->sigrdataset != NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer putrdataset(mctx,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer &rctx->sigrdataset);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer send_event = ISC_TRUE;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer goto done;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer }

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer } else {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(event != NULL);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer INSIST(event->fetch == rctx->fetch);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_resolver_destroyfetch(&rctx->fetch);

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer db = event->db;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer node = event->node;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = event->result;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer vresult = event->vresult;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer fname = dns_fixedname_name(&event->foundname);

e715e011788a529446b8013239c33599542ece32Michael Sawyer INSIST(event->rdataset == rctx->rdataset);

e715e011788a529446b8013239c33599542ece32Michael Sawyer INSIST(event->sigrdataset == rctx->sigrdataset);

e715e011788a529446b8013239c33599542ece32Michael Sawyer }

e715e011788a529446b8013239c33599542ece32Michael Sawyer

e715e011788a529446b8013239c33599542ece32Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (rctx->canceled)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer result = ISC_R_CANCELED;

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer else {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer /*

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer ansname = isc_mem_get(mctx, sizeof(*ansname));

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer if (ansname == NULL)

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer tresult = ISC_R_NOMEMORY;

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence else {

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer dns_name_t *aname;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington aname = dns_fixedname_name(&rctx->name);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington dns_name_init(ansname, NULL);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington tresult = dns_name_dup(aname, mctx, ansname);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington if (tresult != ISC_R_SUCCESS)

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington isc_mem_put(mctx, ansname,

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington sizeof(*ansname));

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington }

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington if (tresult != ISC_R_SUCCESS)

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington result = tresult;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington }

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington switch (result) {

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington case ISC_R_SUCCESS:

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer send_event = ISC_TRUE;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /*

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer break;

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer case DNS_R_CNAME:

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer /*

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington trdataset = rctx->rdataset;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer rctx->rdataset = NULL;

38cf6e52ce4b33795713388824b69d78e430b115Michael Sawyer if (rctx->sigrdataset != NULL) {

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer ISC_LIST_APPEND(ansname->list,

6fe03d6c83ec02d4494edc870f5e892d419b6885Michael Sawyer rctx->sigrdataset, link);

f8fec75ee8f429821137aee090f56ab678404a56Michael Sawyer rctx->sigrdataset = NULL;

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer }

88301f84d1391e96ec87a9a308aa18f45553a56bAndreas Gustafsson ISC_LIST_APPEND(rctx->namelist, ansname, link);

6c6a62933dda281cb9193de1d54d4c9e74515f5aMichael Sawyer ansname = NULL;

ad7bb5bff3e796f5648835bf87a203d23d8319e4David Lawrence

88301f84d1391e96ec87a9a308aa18f45553a56bAndreas Gustafsson /*

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington tresult = dns_rdataset_first(trdataset);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington if (tresult != ISC_R_SUCCESS)

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington goto done;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington dns_rdataset_current(trdataset, &rdata);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington tresult = dns_rdata_tostruct(&rdata, &cname, NULL);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington dns_rdata_reset(&rdata);

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington if (tresult != ISC_R_SUCCESS)

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer goto done;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington tresult = dns_name_copy(&cname.cname, name, NULL);

cefd68008fbba3488a077052ae62aa12b6de502bMichael Sawyer dns_rdata_freestruct(&cname);

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson if (tresult == ISC_R_SUCCESS)

37e6e0ca1337351642798b1a6aa24ae40bf86399Andreas Gustafsson want_restart = ISC_TRUE;

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington else

b266f8fc42702debc6bd89365273223fa89cd8ddBrian Wellington result = tresult;

aa6054ec74819f754bcf19442ca9b39d948171adMichael Sawyer goto done;

db8b100cae62de849ecf4ba9ad3be811fb375b53Michael Sawyer case DNS_R_DNAME:

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence /*

trdataset = rctx->rdataset;

ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);

rctx->rdataset = NULL;

if (rctx->sigrdataset != NULL) {

ISC_LIST_APPEND(ansname->list,

rctx->sigrdataset, link);

rctx->sigrdataset = NULL;

}

ISC_LIST_APPEND(rctx->namelist, ansname, link);

ansname = NULL;

namereln = dns_name_fullcompare(name, fname, &order,

&nlabels);

INSIST(namereln == dns_namereln_subdomain);

/*

tresult = dns_rdataset_first(trdataset);

if (tresult != ISC_R_SUCCESS) {

result = tresult;

goto done;

}

dns_rdataset_current(trdataset, &rdata);

tresult = dns_rdata_tostruct(&rdata, &dname, NULL);

dns_rdata_reset(&rdata);

if (tresult != ISC_R_SUCCESS) {

result = tresult;

goto done;

}

/*

dns_fixedname_init(&fixed);

prefix = dns_fixedname_name(&fixed);

dns_name_split(name, nlabels, prefix, NULL);

tresult = dns_name_concatenate(prefix, &dname.dname,

name, NULL);

dns_rdata_freestruct(&dname);

if (tresult == ISC_R_SUCCESS)

want_restart = ISC_TRUE;

else

result = tresult;

goto done;

case DNS_R_NCACHENXDOMAIN:

case DNS_R_NCACHENXRRSET:

ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);

ISC_LIST_APPEND(rctx->namelist, ansname, link);

ansname = NULL;

rctx->rdataset = NULL;

/* What about sigrdataset? */

if (rctx->sigrdataset != NULL)

putrdataset(mctx, &rctx->sigrdataset);

send_event = ISC_TRUE;

goto done;

default:

if (rctx->rdataset != NULL)

putrdataset(mctx, &rctx->rdataset);

if (rctx->sigrdataset != NULL)

putrdataset(mctx, &rctx->sigrdataset);

send_event = ISC_TRUE;

goto done;

}

if (rctx->type == dns_rdatatype_any) {

int n = 0;

dns_rdatasetiter_t *rdsiter = NULL;

tresult = dns_db_allrdatasets(db, node, NULL, 0,

&rdsiter);

if (tresult != ISC_R_SUCCESS) {

result = tresult;

goto done;

}

tresult = dns_rdatasetiter_first(rdsiter);

while (tresult == ISC_R_SUCCESS) {

dns_rdatasetiter_current(rdsiter,

rctx->rdataset);

if (rctx->rdataset->type != 0) {

ISC_LIST_APPEND(ansname->list,

rctx->rdataset,

link);

n++;

rctx->rdataset = NULL;

} else {

/*

dns_rdataset_disassociate(

rctx->rdataset);

}

tresult = dns_rdatasetiter_next(rdsiter);

if (tresult == ISC_R_SUCCESS &&

rctx->rdataset == NULL) {

tresult = getrdataset(mctx,

&rctx->rdataset);

if (tresult != ISC_R_SUCCESS) {

result = tresult;

POST(result);

break;

}

}

}

if (n == 0) {

/*

result = DNS_R_SERVFAIL; /* better code? */

POST(result);

} else {

ISC_LIST_APPEND(rctx->namelist, ansname, link);

ansname = NULL;

}

dns_rdatasetiter_destroy(&rdsiter);

if (tresult != ISC_R_NOMORE)

result = DNS_R_SERVFAIL; /* ditto */

else

result = ISC_R_SUCCESS;

goto done;

} else {

/*

ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);

rctx->rdataset = NULL;

if (rctx->sigrdataset != NULL) {

ISC_LIST_APPEND(ansname->list,

rctx->sigrdataset, link);

rctx->sigrdataset = NULL;

}

ISC_LIST_APPEND(rctx->namelist, ansname, link);

ansname = NULL;

}

done:

/*

if (ansname != NULL) {

dns_rdataset_t *rdataset;

while ((rdataset = ISC_LIST_HEAD(ansname->list))

!= NULL) {

ISC_LIST_UNLINK(ansname->list, rdataset, link);

putrdataset(mctx, &rdataset);

}

dns_name_free(ansname, mctx);

isc_mem_put(mctx, ansname, sizeof(*ansname));

}

if (node != NULL)

dns_db_detachnode(db, &node);

if (db != NULL)

dns_db_detach(&db);

if (event != NULL)

isc_event_free(ISC_EVENT_PTR(&event));

/*

if (want_restart && rctx->restarts == MAX_RESTARTS) {

want_restart = ISC_FALSE;

result = ISC_R_QUOTA;

send_event = ISC_TRUE;

}

/*

if (want_restart) {

INSIST(rctx->rdataset == NULL &&

rctx->sigrdataset == NULL);

result = getrdataset(mctx, &rctx->rdataset);

if (result == ISC_R_SUCCESS && rctx->want_dnssec) {

result = getrdataset(mctx, &rctx->sigrdataset);

if (result != ISC_R_SUCCESS) {

putrdataset(mctx, &rctx->rdataset);

}

}

if (result != ISC_R_SUCCESS) {

want_restart = ISC_FALSE;

send_event = ISC_TRUE;

}

}

} while (want_restart);

if (send_event) {

isc_task_t *task;

while ((name = ISC_LIST_HEAD(rctx->namelist)) != NULL) {

ISC_LIST_UNLINK(rctx->namelist, name, link);

ISC_LIST_APPEND(rctx->event->answerlist, name, link);

}

rctx->event->result = result;

rctx->event->vresult = vresult;

task = rctx->event->ev_sender;

rctx->event->ev_sender = rctx;

isc_task_sendanddetach(&task, ISC_EVENT_PTR(&rctx->event));

}

UNLOCK(&rctx->lock);

}

static void

suspend(isc_task_t *task, isc_event_t *event) {

isc_appctx_t *actx = event->ev_arg;

UNUSED(task);

isc_app_ctxsuspend(actx);

isc_event_free(&event);

}

static void

resolve_done(isc_task_t *task, isc_event_t *event) {

resarg_t *resarg = event->ev_arg;

dns_clientresevent_t *rev = (dns_clientresevent_t *)event;

dns_name_t *name;

isc_result_t result;

UNUSED(task);

LOCK(&resarg->lock);

resarg->result = rev->result;

resarg->vresult = rev->vresult;

while ((name = ISC_LIST_HEAD(rev->answerlist)) != NULL) {

ISC_LIST_UNLINK(rev->answerlist, name, link);

ISC_LIST_APPEND(*resarg->namelist, name, link);

}

dns_client_destroyrestrans(&resarg->trans);

isc_event_free(&event);

if (!resarg->canceled) {

UNLOCK(&resarg->lock);

/*

result = isc_app_ctxonrun(resarg->actx, resarg->client->mctx,

task, suspend, resarg->actx);

if (result == ISC_R_ALREADYRUNNING)

isc_app_ctxsuspend(resarg->actx);

} else {

/*

UNLOCK(&resarg->lock);

DESTROYLOCK(&resarg->lock);

isc_mem_put(resarg->client->mctx, resarg, sizeof(*resarg));

}

}

dns_client_resolve(dns_client_t *client, dns_name_t *name,

dns_rdataclass_t rdclass, dns_rdatatype_t type,

unsigned int options, dns_namelist_t *namelist)

{

isc_result_t result;

isc_appctx_t *actx;

resarg_t *resarg;

REQUIRE(DNS_CLIENT_VALID(client));

REQUIRE(namelist != NULL && ISC_LIST_EMPTY(*namelist));

if ((client->attributes & DNS_CLIENTATTR_OWNCTX) == 0 &&

(options & DNS_CLIENTRESOPT_ALLOWRUN) == 0) {

/*

return (ISC_R_NOTIMPLEMENTED); /* XXXTBD */

} else

actx = client->actx;

resarg = isc_mem_get(client->mctx, sizeof(*resarg));

if (resarg == NULL)

return (ISC_R_NOMEMORY);

result = isc_mutex_init(&resarg->lock);

if (result != ISC_R_SUCCESS) {

isc_mem_put(client->mctx, resarg, sizeof(*resarg));

return (result);

}

resarg->actx = actx;

resarg->client = client;

resarg->result = DNS_R_SERVFAIL;

resarg->namelist = namelist;

resarg->trans = NULL;

resarg->canceled = ISC_FALSE;

result = dns_client_startresolve(client, name, rdclass, type, options,

client->task, resolve_done, resarg,

&resarg->trans);

if (result != ISC_R_SUCCESS) {

DESTROYLOCK(&resarg->lock);

isc_mem_put(client->mctx, resarg, sizeof(*resarg));

return (result);

}

/*

result = isc_app_ctxrun(actx);

LOCK(&resarg->lock);

if (result == ISC_R_SUCCESS || result == ISC_R_SUSPEND)

result = resarg->result;

if (result != ISC_R_SUCCESS && resarg->vresult != ISC_R_SUCCESS) {

/*

result = resarg->vresult;

}

if (resarg->trans != NULL) {

/*

resarg->canceled = ISC_TRUE;

dns_client_cancelresolve(resarg->trans);

UNLOCK(&resarg->lock);

/* resarg will be freed in the event handler. */

} else {

UNLOCK(&resarg->lock);

DESTROYLOCK(&resarg->lock);

isc_mem_put(client->mctx, resarg, sizeof(*resarg));

}

return (result);

}

dns_client_startresolve(dns_client_t *client, dns_name_t *name,

dns_rdataclass_t rdclass, dns_rdatatype_t type,

unsigned int options, isc_task_t *task,

isc_taskaction_t action, void *arg,

dns_clientrestrans_t **transp)

{

dns_view_t *view = NULL;

dns_clientresevent_t *event = NULL;

resctx_t *rctx = NULL;

isc_task_t *clone = NULL;

isc_mem_t *mctx;

isc_result_t result;

dns_rdataset_t *rdataset, *sigrdataset;

isc_boolean_t want_dnssec;

REQUIRE(DNS_CLIENT_VALID(client));

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

LOCK(&client->lock);

result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,

rdclass, &view);

UNLOCK(&client->lock);

if (result != ISC_R_SUCCESS)

return (result);

mctx = client->mctx;

rdataset = NULL;

sigrdataset = NULL;

want_dnssec = ISC_TF((options & DNS_CLIENTRESOPT_NODNSSEC) == 0);

/*

clone = NULL;