bf43fdafa3bff9e84cb03f1a19aca74514d2516eBob Halley

9c3531d72aeaad6c5f01efe6a1c82023e1379e4dDavid Lawrence

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <config.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley

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

fca5f81ad69098ea8abba130c7f841c951ef91c2Bob Halley#include <isc/mem.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <isc/timer.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <isc/print.h>

9695ae1c24b168996e3a267855dc754971ccb32cBob Halley#include <isc/stats.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <isc/util.h>

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

1c776a2909632bc755f3fddd3b53addd792ab4d0Brian Wellington#include <dns/db.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <dns/dbiterator.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <dns/dlz.h>

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson#include <dns/fixedname.h>

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington#include <dns/journal.h>

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews#include <dns/message.h>

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews#include <dns/peer.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <dns/rdataclass.h>

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington#include <dns/rdatalist.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <dns/rdataset.h>

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#include <dns/rdatasetiter.h>

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington#include <dns/result.h>

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#include <dns/rriterator.h>

09f22ac5b09e70bc526015f37168ba33e21ea91fDavid Lawrence#include <dns/soa.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <dns/stats.h>

e419f613d8591885df608cb73065921be07dd12eBob Halley#include <dns/timer.h>

92ef1a9b9dbd48ecb507b42ac62c15afefdaf838David Lawrence#include <dns/tsig.h>

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews#include <dns/view.h>

bf43fdafa3bff9e84cb03f1a19aca74514d2516eBob Halley#include <dns/zone.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <dns/zt.h>

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

6bc1a645619a14707da68b130dafe41721fd2f25Brian Wellington#include <named/client.h>

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews#include <named/log.h>

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews#include <named/server.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#include <named/xfrout.h>

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews#define XFROUT_COMMON_LOGARGS \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ns_g_lctx, DNS_LOGCATEGORY_XFER_OUT, NS_LOGMODULE_XFER_OUT

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington#define XFROUT_PROTOCOL_LOGARGS \

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews XFROUT_COMMON_LOGARGS, ISC_LOG_INFO

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington#define XFROUT_DEBUG_LOGARGS(n) \

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence XFROUT_COMMON_LOGARGS, ISC_LOG_DEBUG(n)

ed019cabc1cc75d4412010c331876e4ae5080a4dDavid Lawrence

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington#define XFROUT_RR_LOGARGS \

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington XFROUT_COMMON_LOGARGS, XFROUT_RR_LOGLEVEL

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington#define XFROUT_RR_LOGLEVEL ISC_LOG_DEBUG(8)

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews#define FAILC(code, msg) \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews do { \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = (code); \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ns_client_log(client, DNS_LOGCATEGORY_XFER_OUT, \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley NS_LOGMODULE_XFER_OUT, ISC_LOG_INFO, \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley "bad zone transfer request: %s (%s)", \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley msg, isc_result_totext(code)); \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_SUCCESS) goto failure; \

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington } while (0)

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley#define FAILQ(code, msg, question, rdclass) \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley do { \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley char _buf1[DNS_NAME_FORMATSIZE]; \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley char _buf2[DNS_RDATACLASS_FORMATSIZE]; \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = (code); \

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington dns_name_format(question, _buf1, sizeof(_buf1)); \

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff dns_rdataclass_format(rdclass, _buf2, sizeof(_buf2)); \

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff ns_client_log(client, DNS_LOGCATEGORY_XFER_OUT, \

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff NS_LOGMODULE_XFER_OUT, ISC_LOG_INFO, \

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff "bad zone transfer request: '%s/%s': %s (%s)", \

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff _buf1, _buf2, msg, isc_result_totext(code)); \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_SUCCESS) goto failure; \

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley } while (0)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews#define CHECK(op) \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews do { result = (op); \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (result != ISC_R_SUCCESS) goto failure; \

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews } while (0)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic inline void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsinc_stats(dns_zone_t *zone, isc_statscounter_t counter) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_stats_increment(ns_g_server->nsstats, counter);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (zone != NULL) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_stats_t *zonestats = dns_zone_getrequeststats(zone);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (zonestats != NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_stats_increment(zonestats, counter);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonstatic void

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellingtonlog_rr(dns_name_t *name, dns_rdata_t *rdata, isc_uint32_t ttl) {

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington isc_result_t result;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington isc_buffer_t buf;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington char mem[2000];

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington dns_rdatalist_t rdl;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington dns_rdataset_t rds;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington dns_rdata_t rd = DNS_RDATA_INIT;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdl.type = rdata->type;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdl.rdclass = rdata->rdclass;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdl.ttl = ttl;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington if (rdata->type == dns_rdatatype_sig ||

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdata->type == dns_rdatatype_rrsig)

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdl.covers = dns_rdata_covers(rdata);

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington else

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington rdl.covers = dns_rdatatype_none;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews ISC_LIST_INIT(rdl.rdata);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews ISC_LINK_INIT(&rdl, link);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews dns_rdataset_init(&rds);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews dns_rdata_init(&rd);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews dns_rdata_clone(rdata, &rd);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews ISC_LIST_APPEND(rdl.rdata, &rd, link);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews RUNTIME_CHECK(dns_rdatalist_tordataset(&rdl, &rds) == ISC_R_SUCCESS);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews isc_buffer_init(&buf, mem, sizeof(mem));

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews result = dns_rdataset_totext(&rds, name,

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews ISC_FALSE, ISC_FALSE, &buf);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews /*

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews if (result == ISC_R_SUCCESS) {

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews /*

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews INSIST(buf.used >= 1 &&

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews ((char *) buf.base)[buf.used - 1] == '\n');

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews buf.used--;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews isc_log_write(XFROUT_RR_LOGARGS, "%.*s",

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews (int)isc_buffer_usedlength(&buf),

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews (char *)isc_buffer_base(&buf));

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews } else {

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews isc_log_write(XFROUT_RR_LOGARGS, "<RR too large to print>");

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews }

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews}

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellingtontypedef struct rrstream_methods rrstream_methods_t;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellingtontypedef struct rrstream {

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_mem_t *mctx;

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff rrstream_methods_t *methods;

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington} rrstream_t;

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstruct rrstream_methods {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_result_t (*first)(rrstream_t *);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_result_t (*next)(rrstream_t *);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington void (*current)(rrstream_t *,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_name_t **,

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_uint32_t *,

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington dns_rdata_t **);

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington void (*pause)(rrstream_t *);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson void (*destroy)(rrstream_t **);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington};

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafssonstatic void

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellingtonrrstream_noop_pause(rrstream_t *rs) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington UNUSED(rs);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson

18b7133679efa8f60fd4e396c628576f3f416b3eBrian Wellingtontypedef struct ixfr_rrstream {

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington rrstream_t common;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington dns_journal_t *journal;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington} ixfr_rrstream_t;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonixfr_rrstream_destroy(rrstream_t **sp);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic rrstream_methods_t ixfr_rrstream_methods;

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic isc_result_t

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsixfr_rrstream_create(isc_mem_t *mctx,

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington const char *journal_filename,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_uint32_t begin_serial,

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington isc_uint32_t end_serial,

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington rrstream_t **sp)

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington{

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ixfr_rrstream_t *s;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington isc_result_t result;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington INSIST(sp != NULL && *sp == NULL);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s = isc_mem_get(mctx, sizeof(*s));

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington if (s == NULL)

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington return (ISC_R_NOMEMORY);

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington s->common.mctx = mctx;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington s->common.methods = &ixfr_rrstream_methods;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s->journal = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington CHECK(dns_journal_open(mctx, journal_filename,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ISC_FALSE, &s->journal));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_journal_iter_init(s->journal, begin_serial, end_serial));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews *sp = (rrstream_t *) s;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews return (ISC_R_SUCCESS);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews failure:

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_destroy((rrstream_t **) (void *)&s);

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington return (result);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic isc_result_t

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsixfr_rrstream_first(rrstream_t *rs) {

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington ixfr_rrstream_t *s = (ixfr_rrstream_t *) rs;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington return (dns_journal_first_rr(s->journal));

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington}

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic isc_result_t

18b7133679efa8f60fd4e396c628576f3f416b3eBrian Wellingtonixfr_rrstream_next(rrstream_t *rs) {

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington ixfr_rrstream_t *s = (ixfr_rrstream_t *) rs;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington return (dns_journal_next_rr(s->journal));

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellingtonstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsixfr_rrstream_current(rrstream_t *rs,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_name_t **name, isc_uint32_t *ttl,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdata_t **rdata)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews{

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_t *s = (ixfr_rrstream_t *) rs;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_journal_current_rr(s->journal, name, ttl, rdata);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsixfr_rrstream_destroy(rrstream_t **rsp) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_t *s = (ixfr_rrstream_t *) *rsp;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (s->journal != 0)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_journal_destroy(&s->journal);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_mem_put(s->common.mctx, s, sizeof(*s));

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic rrstream_methods_t ixfr_rrstream_methods = {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_first,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_next,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_current,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_noop_pause,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ixfr_rrstream_destroy

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews};

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewstypedef struct axfr_rrstream {

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews rrstream_t common;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rriterator_t it;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews isc_boolean_t it_valid;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews} axfr_rrstream_t;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrewsstatic void

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrewsaxfr_rrstream_destroy(rrstream_t **rsp);

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic rrstream_methods_t axfr_rrstream_methods;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic isc_result_t

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsaxfr_rrstream_create(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *ver,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t **sp)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews{

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_t *s;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_result_t result;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews INSIST(sp != NULL && *sp == NULL);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s = isc_mem_get(mctx, sizeof(*s));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (s == NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews return (ISC_R_NOMEMORY);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s->common.mctx = mctx;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s->common.methods = &axfr_rrstream_methods;

ff30cdeb783ca7ffe69b222c56197828e882c229Mark Andrews s->it_valid = ISC_FALSE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_rriterator_init(&s->it, db, ver, 0));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s->it_valid = ISC_TRUE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington *sp = (rrstream_t *) s;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington return (ISC_R_SUCCESS);

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington failure:

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington axfr_rrstream_destroy((rrstream_t **) (void *)&s);

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington return (result);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic isc_result_t

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellingtonaxfr_rrstream_first(rrstream_t *rs) {

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington axfr_rrstream_t *s = (axfr_rrstream_t *) rs;

e44487bfc23599b6b240e09d83d1c862fecfcc82Michael Graff isc_result_t result;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington result = dns_rriterator_first(&s->it);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington if (result != ISC_R_SUCCESS)

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington return (result);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington /* Skip SOA records. */

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington for (;;) {

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington dns_name_t *name_dummy = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_uint32_t ttl_dummy;

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington dns_rdata_t *rdata = NULL;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington dns_rriterator_current(&s->it, &name_dummy,

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington &ttl_dummy, NULL, &rdata);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (rdata->type != dns_rdatatype_soa)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington break;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington result = dns_rriterator_next(&s->it);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (result != ISC_R_SUCCESS)

76c8294c81fb48b1da6e1fc5b83322a4cedb8e58Andreas Gustafsson break;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (result);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic isc_result_t

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtonaxfr_rrstream_next(rrstream_t *rs) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_t *s = (axfr_rrstream_t *) rs;

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington isc_result_t result;

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson /* Skip SOA records. */

1b1e1fda4638334b484aa38c15f53a131c0b0fdfAndreas Gustafsson for (;;) {

18b7133679efa8f60fd4e396c628576f3f416b3eBrian Wellington dns_name_t *name_dummy = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_uint32_t ttl_dummy;

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellington dns_rdata_t *rdata = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = dns_rriterator_next(&s->it);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (result != ISC_R_SUCCESS)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews break;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rriterator_current(&s->it, &name_dummy,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews &ttl_dummy, NULL, &rdata);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (rdata->type != dns_rdatatype_soa)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews break;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews return (result);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsaxfr_rrstream_current(rrstream_t *rs, dns_name_t **name, isc_uint32_t *ttl,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdata_t **rdata)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews{

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_t *s = (axfr_rrstream_t *) rs;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rriterator_current(&s->it, name, ttl, NULL, rdata);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsaxfr_rrstream_pause(rrstream_t *rs) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_t *s = (axfr_rrstream_t *) rs;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rriterator_pause(&s->it);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

17a3fcecd069130a5f318685493b0db5639a77c9Brian Wellingtonstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsaxfr_rrstream_destroy(rrstream_t **rsp) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_t *s = (axfr_rrstream_t *) *rsp;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (s->it_valid)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rriterator_destroy(&s->it);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_mem_put(s->common.mctx, s, sizeof(*s));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic rrstream_methods_t axfr_rrstream_methods = {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_first,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_next,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_current,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_pause,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews axfr_rrstream_destroy

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews};

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtontypedef struct soa_rrstream {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington rrstream_t common;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_difftuple_t *soa_tuple;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews} soa_rrstream_t;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrewsstatic void

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonsoa_rrstream_destroy(rrstream_t **rsp);

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrewsstatic rrstream_methods_t soa_rrstream_methods;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrewsstatic isc_result_t

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrewssoa_rrstream_create(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *ver,

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews rrstream_t **sp)

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews{

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews soa_rrstream_t *s;

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews isc_result_t result;

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews INSIST(sp != NULL && *sp == NULL);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson s = isc_mem_get(mctx, sizeof(*s));

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews if (s == NULL)

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington return (ISC_R_NOMEMORY);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington s->common.mctx = mctx;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews s->common.methods = &soa_rrstream_methods;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington s->soa_tuple = NULL;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews CHECK(dns_db_createsoatuple(db, ver, mctx, DNS_DIFFOP_EXISTS,

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews &s->soa_tuple));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington *sp = (rrstream_t *) s;

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews return (ISC_R_SUCCESS);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews failure:

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews soa_rrstream_destroy((rrstream_t **) (void *)&s);

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews return (result);

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews}

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic isc_result_t

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafssonsoa_rrstream_first(rrstream_t *rs) {

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson UNUSED(rs);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ISC_R_SUCCESS);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewsstatic isc_result_t

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafssonsoa_rrstream_next(rrstream_t *rs) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington UNUSED(rs);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ISC_R_NOMORE);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic void

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewssoa_rrstream_current(rrstream_t *rs, dns_name_t **name, isc_uint32_t *ttl,

d1cbf714097e900ed1703529584d3e1a50e8a4a8Brian Wellington dns_rdata_t **rdata)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington{

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews soa_rrstream_t *s = (soa_rrstream_t *) rs;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington *name = &s->soa_tuple->name;

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrews *ttl = s->soa_tuple->ttl;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews *rdata = &s->soa_tuple->rdata;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews}

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewsstatic void

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrewssoa_rrstream_destroy(rrstream_t **rsp) {

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews soa_rrstream_t *s = (soa_rrstream_t *) *rsp;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews if (s->soa_tuple != NULL)

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews dns_difftuple_free(&s->soa_tuple);

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews isc_mem_put(s->common.mctx, s, sizeof(*s));

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews}

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrewsstatic rrstream_methods_t soa_rrstream_methods = {

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews soa_rrstream_first,

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews soa_rrstream_next,

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews soa_rrstream_current,

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews rrstream_noop_pause,

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews soa_rrstream_destroy

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews};

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrewstypedef struct compound_rrstream {

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews rrstream_t common;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews rrstream_t *components[3];

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews int state;

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews isc_result_t result;

8b5de9701428e2b5eb50aba96af23dc1186124ddMark Andrews} compound_rrstream_t;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

c99d9017ba00099bfa89e1ed53e63a5cb07d28d5Mark Andrewsstatic void

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewscompound_rrstream_destroy(rrstream_t **rsp);

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewsstatic isc_result_t

638fe804a524ee0c028863c0301b999c79de7651Mark Andrewscompound_rrstream_next(rrstream_t *rs);

638fe804a524ee0c028863c0301b999c79de7651Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewsstatic rrstream_methods_t compound_rrstream_methods;

638fe804a524ee0c028863c0301b999c79de7651Mark Andrews

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic isc_result_t

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewscompound_rrstream_create(isc_mem_t *mctx, rrstream_t **soa_stream,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington rrstream_t **data_stream, rrstream_t **sp)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington{

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington compound_rrstream_t *s;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson INSIST(sp != NULL && *sp == NULL);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews s = isc_mem_get(mctx, sizeof(*s));

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (s == NULL)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington return (ISC_R_NOMEMORY);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson s->common.mctx = mctx;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews s->common.methods = &compound_rrstream_methods;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews s->components[0] = *soa_stream;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews s->components[1] = *data_stream;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews s->components[2] = *soa_stream;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews s->state = -1;

421e4cf66e4cba0b0751a34a9c027e39fe0474f9Mark Andrews s->result = ISC_R_FAILURE;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews *soa_stream = NULL;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews *data_stream = NULL;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington *sp = (rrstream_t *) s;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson return (ISC_R_SUCCESS);

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews}

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewsstatic isc_result_t

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewscompound_rrstream_first(rrstream_t *rs) {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington compound_rrstream_t *s = (compound_rrstream_t *) rs;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington s->state = 0;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington do {

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington rrstream_t *curstream = s->components[s->state];

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington s->result = curstream->methods->first(curstream);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington } while (s->result == ISC_R_NOMORE && s->state < 2);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington return (s->result);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington}

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtonstatic isc_result_t

e27021ee1f37185ab839a7a3b6bc078c24255e62Brian Wellingtoncompound_rrstream_next(rrstream_t *rs) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews compound_rrstream_t *s = (compound_rrstream_t *) rs;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington rrstream_t *curstream = s->components[s->state];

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington s->result = curstream->methods->next(curstream);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington while (s->result == ISC_R_NOMORE) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington /*

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington curstream->methods->pause(curstream);

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington if (s->state == 2)

b0d31c78bc24080d4c470a8bd98862375f6e3055Mark Andrews return (ISC_R_NOMORE);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews s->state++;

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington curstream = s->components[s->state];

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington s->result = curstream->methods->first(curstream);

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington }

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson return (s->result);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

b0d31c78bc24080d4c470a8bd98862375f6e3055Mark Andrews

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafssonstatic void

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellingtoncompound_rrstream_current(rrstream_t *rs, dns_name_t **name, isc_uint32_t *ttl,

b0d31c78bc24080d4c470a8bd98862375f6e3055Mark Andrews dns_rdata_t **rdata)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews{

f15af68028adc665d3bdddf955fc52bad83f0514Brian Wellington compound_rrstream_t *s = (compound_rrstream_t *) rs;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t *curstream;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews INSIST(0 <= s->state && s->state < 3);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews INSIST(s->result == ISC_R_SUCCESS);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews curstream = s->components[s->state];

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews curstream->methods->current(curstream, name, ttl, rdata);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington}

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

86f6b92e35c7bdb5fc1fd1021af75b981863313eMark Andrewsstatic void

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrewscompound_rrstream_pause(rrstream_t *rs)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington{

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington compound_rrstream_t *s = (compound_rrstream_t *) rs;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews rrstream_t *curstream;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington INSIST(0 <= s->state && s->state < 3);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington curstream = s->components[s->state];

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington curstream->methods->pause(curstream);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewscompound_rrstream_destroy(rrstream_t **rsp) {

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington compound_rrstream_t *s = (compound_rrstream_t *) *rsp;

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington s->components[0]->methods->destroy(&s->components[0]);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington s->components[1]->methods->destroy(&s->components[1]);

94766449d6125cd5870891b70d46573e5deaceb4Brian Wellington s->components[2] = NULL; /* Copy of components[0]. */

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington isc_mem_put(s->common.mctx, s, sizeof(*s));

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington}

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellingtonstatic rrstream_methods_t compound_rrstream_methods = {

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington compound_rrstream_first,

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington compound_rrstream_next,

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington compound_rrstream_current,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews compound_rrstream_pause,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington compound_rrstream_destroy

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington};

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewstypedef struct {

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellington isc_mem_t *mctx;

8839b6acbf816fedc15b8e9e1c71fd606a9cd8eaBrian Wellington ns_client_t *client;

9cd6710f91bdffef5aed68ab02533e398f6134d7Brian Wellington unsigned int id; /* ID of request */

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson dns_name_t *qname; /* Question name of request */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_rdatatype_t qtype; /* dns_rdatatype_{a,i}xfr */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_rdataclass_t qclass;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_zone_t *zone; /* (necessary for stats) */

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson dns_db_t *db;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_dbversion_t *ver;

98d010a24a9f1b4b45ce9791845941ef90426d0cBrian Wellington isc_quota_t *quota;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington rrstream_t *stream; /* The XFR RR stream */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_boolean_t end_of_stream; /* EOS has been reached */

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson isc_buffer_t buf; /* Buffer for message owner

18b7133679efa8f60fd4e396c628576f3f416b3eBrian Wellington isc_buffer_t txlenbuf; /* Transmit length buffer */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington isc_buffer_t txbuf; /* Transmit message buffer */

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington void *txmem;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews unsigned int txmemlen;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington unsigned int nmsg; /* Number of messages sent */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_tsigkey_t *tsigkey; /* Key used to create TSIG */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_t *lasttsig; /* the last TSIG */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_boolean_t many_answers;

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington int sends; /* Send in progress */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_boolean_t shuttingdown;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews const char *mnemonic; /* Style of transfer */

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington} xfrout_ctx_t;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic isc_result_t

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington unsigned int id, dns_name_t *qname, dns_rdatatype_t qtype,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataclass_t qclass, dns_zone_t *zone,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_db_t *db, dns_dbversion_t *ver, isc_quota_t *quota,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t *stream, dns_tsigkey_t *tsigkey,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_t *lasttsig,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews unsigned int maxtime,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews unsigned int idletime,

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington isc_boolean_t many_answers,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfrout_ctx_t **xfrp);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

6f071989da905bb5ab2c6dfd01a71ee5ecea5918Brian Wellingtonsendstream(xfrout_ctx_t *xfr);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_senddone(isc_task_t *task, isc_event_t *event);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_fail(xfrout_ctx_t *xfr, isc_result_t result, const char *msg);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_maybe_destroy(xfrout_ctx_t *xfr);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellingtonstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_ctx_destroy(xfrout_ctx_t **xfrp);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellingtonstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_client_shutdown(void *arg, isc_result_t result);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_log1(ns_client_t *client, dns_name_t *zonename,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_rdataclass_t rdclass, int level,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington const char *fmt, ...) ISC_FORMAT_PRINTF(5, 6);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsxfrout_log(xfrout_ctx_t *xfr, int level, const char *fmt, ...)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews ISC_FORMAT_PRINTF(3, 4);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_result_t result;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_name_t *question_name;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataset_t *question_rdataset;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_zone_t *zone = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_db_t *db = NULL;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington dns_dbversion_t *ver = NULL;

613efcd8fbd0d1ce0d0afd1ac85d95cf85bffc27Brian Wellington dns_rdataclass_t question_class;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t *soa_stream = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t *data_stream = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews rrstream_t *stream = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_difftuple_t *current_soa_tuple = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_name_t *soa_name;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dns_rdataset_t *soa_rdataset;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington dns_rdata_t soa_rdata = DNS_RDATA_INIT;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_boolean_t have_soa = ISC_FALSE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews const char *mnemonic = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_mem_t *mctx = client->mctx;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_message_t *request = client->message;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfrout_ctx_t *xfr = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_quota_t *quota = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_transfer_format_t format = client->view->transfer_format;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_netaddr_t na;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_peer_t *peer = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_t *tsigbuf = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews char *journalfile;

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington char msg[NS_CLIENT_ACLMSGSIZE("zone transfer")];

48ed268b3378a8b729a0037bc4ae2ed73647a96aBrian Wellington char keyname[DNS_NAME_FORMATSIZE];

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson isc_boolean_t is_poll = ISC_FALSE;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson isc_boolean_t is_dlz = ISC_FALSE;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson switch (reqtype) {

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson case dns_rdatatype_axfr:

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington mnemonic = "AXFR";

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson break;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington case dns_rdatatype_ixfr:

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews mnemonic = "IXFR";

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley break;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley default:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley INSIST(0);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley break;

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews }

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ns_client_log(client,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington DNS_LOGCATEGORY_XFER_OUT, NS_LOGMODULE_XFER_OUT,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ISC_LOG_DEBUG(6), "%s request", mnemonic);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington /*

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington result = isc_quota_attach(&ns_g_server->xfroutquota, &quota);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (result != ISC_R_SUCCESS) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_log_write(XFROUT_COMMON_LOGARGS, ISC_LOG_WARNING,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley "%s request denied: %s", mnemonic,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley isc_result_totext(result));

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington goto failure;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = dns_message_firstname(request, DNS_SECTION_QUESTION);

5c29047792191d6141f69b2684314d0b762fedebBrian Wellington INSIST(result == ISC_R_SUCCESS);

5c29047792191d6141f69b2684314d0b762fedebBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington question_name = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley dns_message_currentname(request, DNS_SECTION_QUESTION, &question_name);

63bf060be4ff2a7ade02fd86abb98694a5afc250Brian Wellington question_rdataset = ISC_LIST_HEAD(question_name->list);

63bf060be4ff2a7ade02fd86abb98694a5afc250Brian Wellington question_class = question_rdataset->rdclass;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington INSIST(question_rdataset->type == reqtype);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (ISC_LIST_NEXT(question_rdataset, link) != NULL)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington FAILC(DNS_R_FORMERR, "multiple questions");

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington result = dns_message_nextname(request, DNS_SECTION_QUESTION);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (result != ISC_R_NOMORE)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington FAILC(DNS_R_FORMERR, "multiple questions");

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington result = dns_zt_find(client->view->zonetable, question_name, 0, NULL,

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellington &zone);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_SUCCESS) {

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellington /*

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (client->view->dlzdatabase != NULL) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = dns_dlzallowzonexfr(client->view,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley question_name,

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington &client->peeraddr,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington &db);

c50936eb40263b65ebf6afe4e6556e2dc67c10e4Brian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (result == ISC_R_NOPERM) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley char _buf1[DNS_NAME_FORMATSIZE];

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley char _buf2[DNS_RDATACLASS_FORMATSIZE];

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington result = DNS_R_REFUSED;

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews dns_name_format(question_name, _buf1,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley sizeof(_buf1));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley dns_rdataclass_format(question_class,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley _buf2, sizeof(_buf2));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ns_client_log(client, DNS_LOGCATEGORY_SECURITY,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley NS_LOGMODULE_XFER_OUT,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ISC_LOG_ERROR,

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington "zone transfer '%s/%s' denied",

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington _buf1, _buf2);

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington goto failure;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_SUCCESS)

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington FAILQ(DNS_R_NOTAUTH, "non-authoritative zone",

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley question_name, question_class);

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington is_dlz = ISC_TRUE;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (reqtype != dns_rdatatype_axfr) {

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson mnemonic = "AXFR-style IXFR";

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews reqtype = dns_rdatatype_axfr;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews } else {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews FAILQ(DNS_R_NOTAUTH, "non-authoritative zone",

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews question_name, question_class);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews } else {

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington /* zone table has a match */

a9ba7e65644c50e1549b38150ba8d4787e1fe643Brian Wellington switch(dns_zone_gettype(zone)) {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley case dns_zone_master:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley case dns_zone_slave:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley case dns_zone_dlz:

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews break; /* Master and slave zones are OK for transfer. */

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley default:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley FAILQ(DNS_R_NOTAUTH, "non-authoritative zone", question_name, question_class);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(dns_zone_getdb(zone, &db));

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington dns_db_currentversion(db, &ver);

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington }

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington xfrout_log1(client, question_name, question_class, ISC_LOG_DEBUG(6),

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley "%s question section OK", mnemonic);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews for (result = dns_message_firstname(request, DNS_SECTION_AUTHORITY);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result == ISC_R_SUCCESS;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = dns_message_nextname(request, DNS_SECTION_AUTHORITY))

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington {

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington soa_name = NULL;

3676eeb6ca95c66aae1256f37af8c990d9f25eb4Brian Wellington dns_message_currentname(request, DNS_SECTION_AUTHORITY,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington &soa_name);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington /*

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (! dns_name_equal(soa_name, question_name))

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington continue;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington for (soa_rdataset = ISC_LIST_HEAD(soa_name->list);

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington soa_rdataset != NULL;

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington soa_rdataset = ISC_LIST_NEXT(soa_rdataset, link))

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington {

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington /*

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (soa_rdataset->type != dns_rdatatype_soa)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley continue;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (soa_rdataset->rdclass != question_class)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington continue;

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington

77c67dfb2607618f5e7940486daebafd42a502abBrian Wellington CHECK(dns_rdataset_first(soa_rdataset));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley dns_rdataset_current(soa_rdataset, &soa_rdata);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley result = dns_rdataset_next(soa_rdataset);

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result == ISC_R_SUCCESS)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley FAILC(DNS_R_FORMERR,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley "IXFR authority section "

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley "has multiple SOAs");

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley have_soa = ISC_TRUE;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley goto got_soa;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley got_soa:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (result != ISC_R_NOMORE)

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(result);

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfrout_log1(client, question_name, question_class, ISC_LOG_DEBUG(6),

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington "%s authority section OK", mnemonic);

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington /*

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley if (!is_dlz) {

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ns_client_aclmsg("zone transfer", question_name, reqtype,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington client->view->rdclass, msg, sizeof(msg));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(ns_client_checkacl(client, NULL, msg,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley dns_zone_getxfracl(zone),

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley ISC_TRUE, ISC_LOG_ERROR));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington if (reqtype == dns_rdatatype_axfr &&

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington (client->attributes & NS_CLIENTATTR_TCP) == 0)

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington FAILC(DNS_R_FORMERR, "attempted AXFR over UDP");

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_netaddr_fromsockaddr(&na, &client->peeraddr);

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews (void)dns_peerlist_peerbyaddr(client->view->peers, &na, &peer);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (peer != NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews (void)dns_peer_gettransferformat(peer, &format);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (is_dlz)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_db_currentversion(db, &ver);

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_db_createsoatuple(db, ver, mctx, DNS_DIFFOP_EXISTS,

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews &current_soa_tuple));

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (reqtype == dns_rdatatype_ixfr) {

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_uint32_t begin_serial, current_serial;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington isc_boolean_t provide_ixfr;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington provide_ixfr = client->view->provideixfr;

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (peer != NULL)

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington (void) dns_peer_getprovideixfr(peer, &provide_ixfr);

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington if (provide_ixfr == ISC_FALSE)

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews goto axfr_fallback;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (! have_soa)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews FAILC(DNS_R_FORMERR,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews "IXFR request missing SOA");

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews begin_serial = dns_soa_getserial(&soa_rdata);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews current_serial = dns_soa_getserial(&current_soa_tuple->rdata);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (DNS_SERIAL_GE(begin_serial, current_serial) ||

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews (client->attributes & NS_CLIENTATTR_TCP) == 0)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(soa_rrstream_create(mctx, db, ver, &stream));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews is_poll = ISC_TRUE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews goto have_stream;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews journalfile = dns_zone_getjournal(zone);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (journalfile != NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = ixfr_rrstream_create(mctx,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews journalfile,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington begin_serial,

25496cebadd170fd5fae2aabf0469eef551259aaBrian Wellington current_serial,

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson &data_stream);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews else

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson result = ISC_R_NOTFOUND;

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson if (result == ISC_R_NOTFOUND ||

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson result == ISC_R_RANGE) {

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson xfrout_log1(client, question_name, question_class,

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson ISC_LOG_DEBUG(4),

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson "IXFR version not in journal, "

3ce4b8b03ebd017c1d1b320429219ba91e705ea4Andreas Gustafsson "falling back to AXFR");

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington mnemonic = "AXFR-style IXFR";

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley goto axfr_fallback;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(result);

c03bb27f0675a6e60ceea66b451548e8481bc05cMark Andrews } else {

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley axfr_fallback:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(axfr_rrstream_create(mctx, db, ver,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley &data_stream));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley }

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley /*

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence CHECK(soa_rrstream_create(mctx, db, ver, &soa_stream));

78951552dccf0d0004d61072bbc71fa4b1aab30fAndreas Gustafsson CHECK(compound_rrstream_create(mctx, &soa_stream, &data_stream,

1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence &stream));

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson soa_stream = NULL;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson data_stream = NULL;

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley have_stream:

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(dns_message_getquerytsig(request, mctx, &tsigbuf));

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson /*

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson

368b37b616234fce3d23099eb180f1dd38e1fb62Mark Andrews

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington if (is_dlz)

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington CHECK(xfrout_ctx_create(mctx, client, request->id,

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington question_name, reqtype, question_class,

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington zone, db, ver, quota, stream,

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington dns_message_gettsigkey(request),

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington tsigbuf,

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson 3600,

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson 3600,

1f1d36a87b65186d9f89aac7f456ab1fd2a39ef6Andreas Gustafsson (format == dns_many_answers) ?

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence ISC_TRUE : ISC_FALSE,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley &xfr));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley else

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley CHECK(xfrout_ctx_create(mctx, client, request->id,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley question_name, reqtype, question_class,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley zone, db, ver, quota, stream,

40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence dns_message_gettsigkey(request),

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley tsigbuf,

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington dns_zone_getmaxxfrout(zone),

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson dns_zone_getidleout(zone),

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson (format == dns_many_answers) ?

0a3e2e1d590dac7fb011e72bd3a4982c179d8e68Brian Wellington ISC_TRUE : ISC_FALSE,

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley &xfr));

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley xfr->mnemonic = mnemonic;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington stream = NULL;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington quota = NULL;

23e4260821eefa5019808e18e14e2b366461aad7Brian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington CHECK(xfr->stream->methods->first(xfr->stream));

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (xfr->tsigkey != NULL)

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson dns_name_format(&xfr->tsigkey->name, keyname, sizeof(keyname));

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington else

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington keyname[0] = '\0';

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington if (is_poll)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington xfrout_log1(client, question_name, question_class,

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington ISC_LOG_DEBUG(1), "IXFR poll up to date%s%s",

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington (xfr->tsigkey != NULL) ? ": TSIG " : "", keyname);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews else

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington xfrout_log1(client, question_name, question_class,

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington ISC_LOG_INFO, "%s started%s%s", mnemonic,

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington (xfr->tsigkey != NULL) ? ": TSIG " : "", keyname);

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington /*

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington sendstream(xfr);

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington xfr = NULL;

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington result = ISC_R_SUCCESS;

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington failure:

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington if (result == DNS_R_REFUSED)

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington inc_stats(zone, dns_nsstatscounter_xfrrej);

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington if (quota != NULL)

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington isc_quota_detach(&quota);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington if (current_soa_tuple != NULL)

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington dns_difftuple_free(&current_soa_tuple);

ba393f380e4cd93029f6a7291d6c2d14f9022b3cBrian Wellington if (stream != NULL)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington stream->methods->destroy(&stream);

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson if (soa_stream != NULL)

d6643ef587324e40d8bda63e9f80be8141e101edBrian Wellington soa_stream->methods->destroy(&soa_stream);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington if (data_stream != NULL)

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington data_stream->methods->destroy(&data_stream);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington if (ver != NULL)

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington dns_db_closeversion(db, &ver, ISC_FALSE);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington if (db != NULL)

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington dns_db_detach(&db);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington if (zone != NULL)

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington dns_zone_detach(&zone);

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington /* XXX kludge */

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington if (xfr != NULL) {

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington xfrout_fail(xfr, result, "setting up zone transfer");

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington } else if (result != ISC_R_SUCCESS) {

75f6c57d9544aa77a3b1a04587b4702c07343c90Brian Wellington ns_client_log(client, DNS_LOGCATEGORY_XFER_OUT,

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington NS_LOGMODULE_XFER_OUT,

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington ISC_LOG_DEBUG(3), "zone transfer setup failed");

e83cae7fa837e4757c687035d6f6c0900f152749Brian Wellington ns_client_error(client, result);

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington }

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington}

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonstatic isc_result_t

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellingtonxfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id,

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington dns_name_t *qname, dns_rdatatype_t qtype,

ca9af3aaf798f98624fc1dc69d8c7d51bf01334dBrian Wellington dns_rdataclass_t qclass, dns_zone_t *zone,

feb40fc5f911d0b2050fb9fd34950a52930b981dBrian Wellington dns_db_t *db, dns_dbversion_t *ver, isc_quota_t *quota,

187604c1adfe841d909d4a8453b6900e652f7f6dBrian Wellington rrstream_t *stream, dns_tsigkey_t *tsigkey,

b5debbe212097d1c573a2ba3bd9a3d526d86b0aeBrian Wellington isc_buffer_t *lasttsig, unsigned int maxtime,

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington unsigned int idletime, isc_boolean_t many_answers,

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington xfrout_ctx_t **xfrp)

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson{

5c6117688525d0e8d247f50c63364f66bd8d4185Brian Wellington xfrout_ctx_t *xfr;

538fea1c91c68c0a5569c7b8552c8fd0490055efBrian Wellington isc_result_t result;

25276bd1ecb372b82c9235648e5defab0655dcd5Mark Andrews unsigned int len;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson void *mem;

777ac454c0cdec27dc11d80b9b2a8d7239d833a8Brian Wellington

e49c834de8cdf92d4b85ef0fbf1d9dc59620a342Brian Wellington INSIST(xfrp != NULL && *xfrp == NULL);

25276bd1ecb372b82c9235648e5defab0655dcd5Mark Andrews xfr = isc_mem_get(mctx, sizeof(*xfr));

25276bd1ecb372b82c9235648e5defab0655dcd5Mark Andrews if (xfr == NULL)

93c786e0924aeca2c258e32355349e6ae60a0f72Andreas Gustafsson return (ISC_R_NOMEMORY);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington xfr->mctx = NULL;

34aa7909371f13b4bc0ba6d155cfc38bfa1e3c5cAndreas Gustafsson isc_mem_attach(mctx, &xfr->mctx);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington xfr->client = NULL;

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington ns_client_attach(client, &xfr->client);

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington xfr->id = id;

c70908209ee26c51a8e7242a56fdb73847249728Brian Wellington xfr->qname = qname;

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson xfr->qtype = qtype;

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson xfr->qclass = qclass;

e1f16346db02486f751c6db683fffe53c866c186Andreas Gustafsson xfr->zone = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley xfr->db = NULL;

0ec4b862c9abd11c82c88ed62438f0cf06fed25dBob Halley xfr->ver = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (zone != NULL) /* zone will be NULL if it's DLZ */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_zone_attach(zone, &xfr->zone);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_db_attach(db, &xfr->db);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_db_attachversion(db, ver, &xfr->ver);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->end_of_stream = ISC_FALSE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->tsigkey = tsigkey;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->lasttsig = lasttsig;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmem = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmemlen = 0;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->nmsg = 0;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->many_answers = many_answers,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->sends = 0;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->shuttingdown = ISC_FALSE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->mnemonic = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->buf.base = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->buf.length = 0;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmem = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmemlen = 0;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->stream = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->quota = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

93d6dfaf66258337985427c86181f01fc51f0bb4Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews len = 65535;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews mem = isc_mem_get(mctx, len);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (mem == NULL) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = ISC_R_NOMEMORY;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews goto failure;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_init(&xfr->buf, mem, len);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews len = 2 + 65535;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews mem = isc_mem_get(mctx, len);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (mem == NULL) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = ISC_R_NOMEMORY;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews goto failure;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews }

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_init(&xfr->txlenbuf, mem, 2);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_init(&xfr->txbuf, (char *) mem + 2, len - 2);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmem = mem;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->txmemlen = len;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_timer_setidle(xfr->client->timer,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews maxtime, idletime, ISC_FALSE));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->client->shutdown = xfrout_client_shutdown;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->client->shutdown_arg = xfr;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->quota = quota;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->stream = stream;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews *xfrp = xfr;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews return (ISC_R_SUCCESS);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsfailure:

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfrout_ctx_destroy(&xfr);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews return (result);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews}

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewsstatic void

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrewssendstream(xfrout_ctx_t *xfr) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_message_t *tcpmsg = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_message_t *msg = NULL; /* Client message if UDP, tcpmsg if TCP */

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_result_t result;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_region_t used;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_region_t region;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataset_t *qrdataset;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_name_t *msgname = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdata_t *msgrdata = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdatalist_t *msgrdl = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataset_t *msgrds = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_compress_t cctx;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_boolean_t cleanup_cctx = ISC_FALSE;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews int n_rrs;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_clear(&xfr->buf);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_clear(&xfr->txlenbuf);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_clear(&xfr->txbuf);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if ((xfr->client->attributes & NS_CLIENTATTR_TCP) == 0) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg = xfr->client->message;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_message_reply(msg, ISC_TRUE));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews } else {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_message_create(xfr->mctx,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews DNS_MESSAGE_INTENTRENDER, &tcpmsg));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg = tcpmsg;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg->id = xfr->id;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg->rcode = dns_rcode_noerror;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg->flags = DNS_MESSAGEFLAG_QR | DNS_MESSAGEFLAG_AA;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if ((xfr->client->attributes & NS_CLIENTATTR_RA) != 0)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews msg->flags |= DNS_MESSAGEFLAG_RA;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_message_settsigkey(msg, xfr->tsigkey));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews CHECK(dns_message_setquerytsig(msg, xfr->lasttsig));

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (xfr->lasttsig != NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_free(&xfr->lasttsig);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (xfr->tsigkey != NULL)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews INSIST(msg->reserved != 0U);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_add(&xfr->buf, msg->reserved);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (xfr->nmsg == 0) {

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_name_t *qname = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_region_t r;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews /*

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_add(&xfr->buf, 12 + 4);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews qrdataset = NULL;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = dns_message_gettemprdataset(msg, &qrdataset);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (result != ISC_R_SUCCESS)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews goto failure;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataset_init(qrdataset);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_rdataset_makequestion(qrdataset,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->client->message->rdclass,

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews xfr->qtype);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews result = dns_message_gettempname(msg, &qname);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews if (result != ISC_R_SUCCESS)

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews goto failure;

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews dns_name_init(qname, NULL);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews isc_buffer_availableregion(&xfr->buf, &r);

0b09763c354ec91fb352b6b4cea383bd0195b2d8Mark Andrews INSIST(r.length >= xfr->qname->length);