static void
lookup_find(dns_lookup_t *lookup, dns_fetchevent_t *event) {
isc_result_t result;
isc_boolean_t want_restart;
isc_boolean_t send_event;
dns_name_t *name, *fname, *prefix;
dns_fixedname_t foundname, fixed;
dns_rdata_t rdata = DNS_RDATA_INIT;
unsigned int nlabels;
int order;
dns_namereln_t namereln;
dns_rdata_cname_t cname;
dns_rdata_dname_t dname;
REQUIRE(VALID_LOOKUP(lookup));
LOCK(&lookup->lock);
result = ISC_R_SUCCESS;
name = dns_fixedname_name(&lookup->name);
do {
lookup->restarts++;
want_restart = ISC_FALSE;
send_event = ISC_TRUE;
if (event == NULL && !lookup->canceled) {
dns_fixedname_init(&foundname);
fname = dns_fixedname_name(&foundname);
INSIST(!dns_rdataset_isassociated(&lookup->rdataset));
INSIST(!dns_rdataset_isassociated
(&lookup->sigrdataset));
/*
* If we have restarted then clear the old node. */
if (lookup->event->node != NULL) {
INSIST(lookup->event->db != NULL);
dns_db_detachnode(lookup->event->db,
&lookup->event->node);
}
if (lookup->event->db != NULL)
dns_db_detach(&lookup->event->db);
result = view_find(lookup, fname);
if (result == ISC_R_NOTFOUND) {
/*
* We don't know anything about the name.
* Launch a fetch.
*/
if (lookup->event->node != NULL) {
INSIST(lookup->event->db != NULL);
dns_db_detachnode(lookup->event->db,
&lookup->event->node);
}
if (lookup->event->db != NULL)
dns_db_detach(&lookup->event->db);
result = start_fetch(lookup);
if (result == ISC_R_SUCCESS)
send_event = ISC_FALSE;
goto done;
}
} else if (event != NULL) {
result = event->result;
fname = dns_fixedname_name(&event->foundname);
dns_resolver_destroyfetch(&lookup->fetch);
INSIST(event->rdataset == &lookup->rdataset);
INSIST(event->sigrdataset == &lookup->sigrdataset);
} else
fname = NULL; /* Silence compiler warning. */
/*
* If we've been canceled, forget about the result.
*/
if (lookup->canceled)
result = ISC_R_CANCELED;
switch (result) {
case ISC_R_SUCCESS:
result = build_event(lookup);
if (event == NULL)
break;
if (event->db != NULL)
dns_db_attach(event->db, &lookup->event->db);
if (event->node != NULL)
dns_db_attachnode(lookup->event->db,
event->node,
&lookup->event->node);
break;
case DNS_R_CNAME:
/*
* Copy the CNAME's target into the lookup's
* query name and start over.
*/
result = dns_rdataset_first(&lookup->rdataset);
if (result != ISC_R_SUCCESS)
break;
dns_rdataset_current(&lookup->rdataset, &rdata);
result = dns_rdata_tostruct(&rdata, &cname, NULL);
dns_rdata_reset(&rdata);
if (result != ISC_R_SUCCESS)
break;
result = dns_name_copy(&cname.cname, name, NULL);
dns_rdata_freestruct(&cname);
if (result == ISC_R_SUCCESS) {
want_restart = ISC_TRUE;
send_event = ISC_FALSE;
}
break;
case DNS_R_DNAME:
namereln = dns_name_fullcompare(name, fname, &order,
&nlabels);
INSIST(namereln == dns_namereln_subdomain);
/*
* Get the target name of the DNAME.
*/
result = dns_rdataset_first(&lookup->rdataset);
if (result != ISC_R_SUCCESS)
break;
dns_rdataset_current(&lookup->rdataset, &rdata);
result = dns_rdata_tostruct(&rdata, &dname, NULL);
dns_rdata_reset(&rdata);
if (result != ISC_R_SUCCESS)
break;
/*
* Construct the new query name and start over.
*/
dns_fixedname_init(&fixed);
prefix = dns_fixedname_name(&fixed);
dns_name_split(name, nlabels, prefix, NULL);
result = dns_name_concatenate(prefix, &dname.dname,
name, NULL);
dns_rdata_freestruct(&dname);
if (result == ISC_R_SUCCESS) {
want_restart = ISC_TRUE;
send_event = ISC_FALSE;
}
break;
default:
send_event = ISC_TRUE;
}
if (dns_rdataset_isassociated(&lookup->rdataset))
dns_rdataset_disassociate(&lookup->rdataset);
if (dns_rdataset_isassociated(&lookup->sigrdataset))
dns_rdataset_disassociate(&lookup->sigrdataset);
done:
if (event != NULL) {
if (event->node != NULL)
dns_db_detachnode(event->db, &event->node);
if (event->db != NULL)
dns_db_detach(&event->db);
isc_event_free(ISC_EVENT_PTR(&event));
}
/*
* Limit the number of restarts.
*/
if (want_restart && lookup->restarts == MAX_RESTARTS) {
want_restart = ISC_FALSE;
result = ISC_R_QUOTA;
send_event = ISC_TRUE;
}
} while (want_restart);
if (send_event) {
lookup->event->result = result;
lookup->event->ev_sender = lookup;
isc_task_sendanddetach(&lookup->task,
(isc_event_t **)(void *)&lookup->event);
dns_view_detach(&lookup->view);
}
UNLOCK(&lookup->lock);
}
static isc_result_t
diff_apply(dns_diff_t *diff, dns_db_t *db, dns_dbversion_t *ver,
isc_boolean_t warn)
{
dns_difftuple_t *t;
dns_dbnode_t *node = NULL;
isc_result_t result;
char namebuf[DNS_NAME_FORMATSIZE];
char typebuf[DNS_RDATATYPE_FORMATSIZE];
char classbuf[DNS_RDATACLASS_FORMATSIZE];
REQUIRE(DNS_DIFF_VALID(diff));
REQUIRE(DNS_DB_VALID(db));
t = ISC_LIST_HEAD(diff->tuples);
while (t != NULL) {
dns_name_t *name;
INSIST(node == NULL);
name = &t->name;
/*
* Find the node.
* We create the node if it does not exist.
* This will cause an empty node to be created if the diff
* contains a deletion of an RR at a nonexistent name,
* but such diffs should never be created in the first
* place.
*/
while (t != NULL && dns_name_equal(&t->name, name)) {
dns_rdatatype_t type, covers;
dns_diffop_t op;
dns_rdatalist_t rdl;
dns_rdataset_t rds;
dns_rdataset_t ardataset;
dns_rdataset_t *modified = NULL;
op = t->op;
type = t->rdata.type;
covers = rdata_covers(&t->rdata);
/*
* Collect a contiguous set of updates with
* the same operation (add/delete) and RR type
* into a single rdatalist so that the
* database rrset merging/subtraction code
* can work more efficiently than if each
* RR were merged into / subtracted from
* the database separately.
*
* This is done by linking rdata structures from the
* diff into "rdatalist". This uses the rdata link
* field, not the diff link field, so the structure
* of the diff itself is not affected.
*/
rdl.type = type;
rdl.covers = covers;
rdl.rdclass = t->rdata.rdclass;
rdl.ttl = t->ttl;
ISC_LIST_INIT(rdl.rdata);
ISC_LINK_INIT(&rdl, link);
node = NULL;
if (type != dns_rdatatype_nsec3 &&
covers != dns_rdatatype_nsec3)
CHECK(dns_db_findnode(db, name, ISC_TRUE,
&node));
else
CHECK(dns_db_findnsec3node(db, name, ISC_TRUE,
&node));
while (t != NULL &&
dns_name_equal(&t->name, name) &&
t->op == op &&
t->rdata.type == type &&
rdata_covers(&t->rdata) == covers)
{
dns_name_format(name, namebuf, sizeof(namebuf));
dns_rdatatype_format(t->rdata.type, typebuf,
sizeof(typebuf));
dns_rdataclass_format(t->rdata.rdclass,
classbuf,
sizeof(classbuf));
if (t->ttl != rdl.ttl && warn)
isc_log_write(DIFF_COMMON_LOGARGS,
ISC_LOG_WARNING,
"'%s/%s/%s': TTL differs in "
"rdataset, adjusting "
"%lu -> %lu",
namebuf, typebuf, classbuf,
(unsigned long) t->ttl,
(unsigned long) rdl.ttl);
ISC_LIST_APPEND(rdl.rdata, &t->rdata, link);
t = ISC_LIST_NEXT(t, link);
}
/*
* Convert the rdatalist into a rdataset.
*/
dns_rdataset_init(&rds);
CHECK(dns_rdatalist_tordataset(&rdl, &rds));
if (rds.type == dns_rdatatype_rrsig)
switch (op) {
case DNS_DIFFOP_ADDRESIGN:
case DNS_DIFFOP_DELRESIGN:
modified = &ardataset;
dns_rdataset_init(modified);
break;
default:
break;
}
rds.trust = dns_trust_ultimate;
/*
* Merge the rdataset into the database.
*/
switch (op) {
case DNS_DIFFOP_ADD:
case DNS_DIFFOP_ADDRESIGN:
result = dns_db_addrdataset(db, node, ver,
0, &rds,
DNS_DBADD_MERGE|
DNS_DBADD_EXACT|
DNS_DBADD_EXACTTTL,
modified);
break;
case DNS_DIFFOP_DEL:
case DNS_DIFFOP_DELRESIGN:
result = dns_db_subtractrdataset(db, node, ver,
&rds,
DNS_DBSUB_EXACT,
modified);
break;
default:
INSIST(0);
}
if (result == ISC_R_SUCCESS) {
if (modified != NULL) {
isc_stdtime_t resign;
resign = setresign(modified,
diff->resign);
dns_db_setsigningtime(db, modified,
resign);
if (diff->resign == 0 &&
(op == DNS_DIFFOP_ADDRESIGN ||
op == DNS_DIFFOP_DELRESIGN))
isc_log_write(
DIFF_COMMON_LOGARGS,
ISC_LOG_WARNING,
"resign requested "
"with 0 resign "
"interval");
}
} else if (result == DNS_R_UNCHANGED) {
/*
* This will not happen when executing a
* dynamic update, because that code will
* generate strictly minimal diffs.
* It may happen when receiving an IXFR
* from a server that is not as careful.
* Issue a warning and continue.
*/
if (warn) {
char classbuf[DNS_RDATATYPE_FORMATSIZE];
char namebuf[DNS_NAME_FORMATSIZE];
dns_name_format(dns_db_origin(db),
namebuf,
sizeof(namebuf));
dns_rdataclass_format(dns_db_class(db),
classbuf,
sizeof(classbuf));
isc_log_write(DIFF_COMMON_LOGARGS,
ISC_LOG_WARNING,
"%s/%s: dns_diff_apply: "
"update with no effect",
namebuf, classbuf);
}
} else if (result == DNS_R_NXRRSET) {
/*
* OK.
*/
} else {
if (modified != NULL &&
dns_rdataset_isassociated(modified))
dns_rdataset_disassociate(modified);
CHECK(result);
}
dns_db_detachnode(db, &node);
if (modified != NULL &&
dns_rdataset_isassociated(modified))
dns_rdataset_disassociate(modified);
}
}
return (ISC_R_SUCCESS);
failure:
if (node != NULL)
dns_db_detachnode(db, &node);
return (result);
}
int
main(int argc, char *argv[])
{
char *sql;
int res;
char *errmsg = NULL;
char *porigin, *zonefile;
dns_fixedname_t forigin, fname;
dns_name_t *origin, *name;
dns_db_t *db = NULL;
dns_dbiterator_t *dbiter;
dns_dbnode_t *node;
dns_rdatasetiter_t *rdsiter;
dns_rdataset_t rdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_mem_t *mctx = NULL;
isc_entropy_t *ectx = NULL;
isc_buffer_t b;
isc_result_t result;
if (argc != 5) {
printf("usage: %s <zone> <zonefile> <dbfile> <dbtable>\n", argv[0]);
exit(1);
}
porigin = argv[1];
zonefile = argv[2];
dbi.filename = argv[3];
dbi.table = argv[4];
dns_result_register();
result = isc_mem_create(0, 0, &mctx);
check_result(result, "isc_mem_create");
result = isc_entropy_create(mctx, &ectx);
check_result(result, "isc_entropy_create");
result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
check_result(result, "isc_hash_create");
isc_buffer_init(&b, porigin, strlen(porigin));
isc_buffer_add(&b, strlen(porigin));
dns_fixedname_init(&forigin);
origin = dns_fixedname_name(&forigin);
result = dns_name_fromtext(origin, &b, dns_rootname, 0, NULL);
check_result(result, "dns_name_fromtext");
db = NULL;
result = dns_db_create(mctx, "rbt", origin, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
check_result(result, "dns_db_create");
result = dns_db_load(db, zonefile);
if (result == DNS_R_SEENINCLUDE)
result = ISC_R_SUCCESS;
check_result(result, "dns_db_load");
printf("Connecting to '%s'\n", dbi.filename);
if ((result = db_connect(&dbi)) != ISC_R_SUCCESS) {
fprintf(stderr, "Connection to database '%s' failed\n",
dbi.filename);
closeandexit(1);
}
sql = sqlite3_mprintf("DROP TABLE %Q ", dbi.table);
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
#if 0
if (res != SQLITE_OK) {
fprintf(stderr, "DROP TABLE %s failed: %s\n",
dbi.table, errmsg);
}
#endif
#if 0
sql = sqlite3_mprintf(sql, "BEGIN TRANSACTION");
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "BEGIN TRANSACTION failed: %s\n", errmsg);
closeandexit(1);
}
#endif
sql = sqlite3_mprintf(
"CREATE TABLE %Q "
"(NAME TEXT, TTL INTEGER, RDTYPE TEXT, RDATA TEXT) ",
dbi.table);
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "CREATE TABLE %s failed: %s\n",
dbi.table, errmsg);
closeandexit(1);
}
dbiter = NULL;
result = dns_db_createiterator(db, 0, &dbiter);
check_result(result, "dns_db_createiterator()");
result = dns_dbiterator_first(dbiter);
check_result(result, "dns_dbiterator_first");
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
dns_rdataset_init(&rdataset);
dns_rdata_init(&rdata);
while (result == ISC_R_SUCCESS) {
node = NULL;
result = dns_dbiterator_current(dbiter, &node, name);
if (result == ISC_R_NOMORE)
break;
check_result(result, "dns_dbiterator_current");
rdsiter = NULL;
result = dns_db_allrdatasets(db, node, NULL, 0, &rdsiter);
check_result(result, "dns_db_allrdatasets");
result = dns_rdatasetiter_first(rdsiter);
while (result == ISC_R_SUCCESS) {
dns_rdatasetiter_current(rdsiter, &rdataset);
result = dns_rdataset_first(&rdataset);
check_result(result, "dns_rdataset_first");
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&rdataset, &rdata);
addrdata(name, rdataset.ttl, &rdata);
dns_rdata_reset(&rdata);
result = dns_rdataset_next(&rdataset);
}
dns_rdataset_disassociate(&rdataset);
result = dns_rdatasetiter_next(rdsiter);
}
dns_rdatasetiter_destroy(&rdsiter);
dns_db_detachnode(db, &node);
result = dns_dbiterator_next(dbiter);
}
#if 0
sql = sqlite3_mprintf(sql, "COMMIT TRANSACTION ");
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "COMMIT TRANSACTION failed: %s\n", errmsg);
closeandexit(1);
}
#endif
dns_dbiterator_destroy(&dbiter);
dns_db_detach(&db);
isc_hash_destroy();
isc_entropy_detach(&ectx);
isc_mem_destroy(&mctx);
closeandexit(0);
exit(0);
}
int
main(int argc, char *argv[])
{
isc_mem_t *mctx = NULL;
isc_buffer_t b;
int n;
dns_fixedname_t origin, name;
dns_db_t *db = NULL;
dns_dbiterator_t *dbiter = NULL;
isc_result_t res;
dns_dbnode_t *node = NULL;
dns_rdataset_t rdataset;
dns_rdatasetiter_t *rdatasetiter = NULL;
dns_rdata_t rdata;
DB *bdb;
if (argc != 4) usage(*argv);
REQUIRE(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
n = strlen(argv[1]);
isc_buffer_init(&b, argv[1], n);
isc_buffer_add(&b, n);
dns_fixedname_init(&origin);
REQUIRE(dns_name_fromtext(dns_fixedname_name(&origin), &b, dns_rootname,
0, NULL) == ISC_R_SUCCESS);
REQUIRE(dns_db_create(mctx, "rbt", dns_fixedname_name(&origin),
dns_dbtype_zone, dns_rdataclass_in, 0, NULL,
&db) == ISC_R_SUCCESS);
REQUIRE(dns_db_load(db, argv[2]) == ISC_R_SUCCESS);
REQUIRE(dns_db_createiterator(db, 0, &dbiter) == ISC_R_SUCCESS);
dns_rdataset_init(&rdataset);
dns_rdata_init(&rdata);
dns_fixedname_init(&name);
bdb = bdb_init(argv[3]);
for (res = dns_dbiterator_first(dbiter); res == ISC_R_SUCCESS;
res = dns_dbiterator_next(dbiter)) {
dns_dbiterator_current(dbiter, &node, dns_fixedname_name(&name));
REQUIRE(dns_db_allrdatasets(db, node, NULL, 0, &rdatasetiter)
== ISC_R_SUCCESS);
for (res = dns_rdatasetiter_first(rdatasetiter);
res == ISC_R_SUCCESS;
res = dns_rdatasetiter_next(rdatasetiter)) {
dns_rdatasetiter_current(rdatasetiter, &rdataset);
res = dns_rdataset_first(&rdataset);
while (res == ISC_R_SUCCESS) {
dns_rdataset_current(&rdataset, &rdata);
REQUIRE(bdb_putrdata(bdb,
dns_fixedname_name(&name),
rdataset.ttl, &rdata)
== ISC_R_SUCCESS);
dns_rdata_reset(&rdata);
res = dns_rdataset_next(&rdataset);
}
dns_rdataset_disassociate(&rdataset);
}
dns_rdatasetiter_destroy(&rdatasetiter);
dns_db_detachnode(db, &node);
}
dns_dbiterator_destroy(&dbiter);
REQUIRE(bdb_destroy(bdb) == ISC_R_SUCCESS);
return 0;
}
static void
resigned(isc_assertioncallback_t callback) {
isc_result_t result;
dns_rdataset_t rdataset, added;
dns_dbnode_t *node = NULL;
dns_rdatalist_t rdatalist;
dns_rdata_rrsig_t rrsig;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_buffer_t b;
unsigned char buf[1024];
result = dns_test_begin(NULL, ISC_FALSE);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
setup_db();
/*
* Create a dummy RRSIG record and set a resigning time.
*/
dns_rdataset_init(&added);
dns_rdataset_init(&rdataset);
dns_rdatalist_init(&rdatalist);
isc_buffer_init(&b, buf, sizeof(buf));
DNS_RDATACOMMON_INIT(&rrsig, dns_rdatatype_rrsig, dns_rdataclass_in);
rrsig.covered = dns_rdatatype_a;
rrsig.algorithm = 100;
rrsig.labels = 0;
rrsig.originalttl = 0;
rrsig.timeexpire = 3600;
rrsig.timesigned = 0;
rrsig.keyid = 0;
dns_name_init(&rrsig.signer, NULL);
dns_name_clone(dns_rootname, &rrsig.signer);
rrsig.siglen = 0;
rrsig.signature = NULL;
result = dns_rdata_fromstruct(&rdata, dns_rdataclass_in,
dns_rdatatype_rrsig, &rrsig, &b);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
rdatalist.rdclass = dns_rdataclass_in;
rdatalist.type = dns_rdatatype_rrsig;
ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
rdataset.attributes |= DNS_RDATASETATTR_RESIGN;
rdataset.resign = 7200;
result = dns_db_findnode(db1, dns_rootname, ISC_FALSE, &node);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = dns_db_addrdataset(db1, node, v1, 0, &rdataset, 0, &added);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
dns_db_detachnode(db1, &node);
ATF_REQUIRE_EQ(node, NULL);
isc_assertion_setcallback(callback);
dns_db_resigned(db1, &added, VERSION(callback));
if (callback != NULL)
atf_tc_fail("dns_db_resigned did not assert");
dns_rdataset_disassociate(&added);
close_db();
dns_test_end();
}
/*% scan the zone for oversize TTLs */
static isc_result_t
check_ttls(dns_zone_t *zone, dns_ttl_t maxttl) {
isc_result_t result;
dns_db_t *db = NULL;
dns_dbversion_t *version = NULL;
dns_dbnode_t *node = NULL;
dns_dbiterator_t *dbiter = NULL;
dns_rdatasetiter_t *rdsiter = NULL;
dns_rdataset_t rdataset;
dns_fixedname_t fname;
dns_name_t *name;
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
dns_rdataset_init(&rdataset);
CHECK(dns_zone_getdb(zone, &db));
INSIST(db != NULL);
CHECK(dns_db_newversion(db, &version));
CHECK(dns_db_createiterator(db, 0, &dbiter));
for (result = dns_dbiterator_first(dbiter);
result == ISC_R_SUCCESS;
result = dns_dbiterator_next(dbiter)) {
result = dns_dbiterator_current(dbiter, &node, name);
if (result == DNS_R_NEWORIGIN)
result = ISC_R_SUCCESS;
CHECK(result);
CHECK(dns_db_allrdatasets(db, node, version, 0, &rdsiter));
for (result = dns_rdatasetiter_first(rdsiter);
result == ISC_R_SUCCESS;
result = dns_rdatasetiter_next(rdsiter)) {
dns_rdatasetiter_current(rdsiter, &rdataset);
if (rdataset.ttl > maxttl) {
char nbuf[DNS_NAME_FORMATSIZE];
char tbuf[255];
isc_buffer_t b;
isc_region_t r;
dns_name_format(name, nbuf, sizeof(nbuf));
isc_buffer_init(&b, tbuf, sizeof(tbuf) - 1);
CHECK(dns_rdatatype_totext(rdataset.type, &b));
isc_buffer_usedregion(&b, &r);
r.base[r.length] = 0;
dns_zone_log(zone, ISC_LOG_ERROR,
"%s/%s TTL %d exceeds "
"maximum TTL %d",
nbuf, tbuf, rdataset.ttl, maxttl);
dns_rdataset_disassociate(&rdataset);
CHECK(ISC_R_RANGE);
}
dns_rdataset_disassociate(&rdataset);
}
if (result == ISC_R_NOMORE)
result = ISC_R_SUCCESS;
CHECK(result);
dns_rdatasetiter_destroy(&rdsiter);
dns_db_detachnode(db, &node);
}
if (result == ISC_R_NOMORE)
result = ISC_R_SUCCESS;
cleanup:
if (node != NULL)
dns_db_detachnode(db, &node);
if (rdsiter != NULL)
dns_rdatasetiter_destroy(&rdsiter);
if (dbiter != NULL)
dns_dbiterator_destroy(&dbiter);
if (version != NULL)
dns_db_closeversion(db, &version, ISC_FALSE);
if (db != NULL)
dns_db_detach(&db);
return (result);
}
static void
nsecify(char *filename) {
isc_result_t result;
dns_db_t *db;
dns_dbversion_t *wversion;
dns_dbnode_t *node, *nextnode;
char *origintext;
dns_fixedname_t fname, fnextname;
dns_name_t *name, *nextname, *target;
isc_buffer_t b;
size_t len;
dns_dbiterator_t *dbiter;
char newfilename[1024];
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
dns_fixedname_init(&fnextname);
nextname = dns_fixedname_name(&fnextname);
origintext = strrchr(filename, '/');
if (origintext == NULL)
origintext = filename;
else
origintext++; /* Skip '/'. */
len = strlen(origintext);
isc_buffer_init(&b, origintext, len);
isc_buffer_add(&b, len);
result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
check_result(result, "dns_name_fromtext()");
db = NULL;
result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
check_result(result, "dns_db_create()");
result = dns_db_load(db, filename);
if (result == DNS_R_SEENINCLUDE)
result = ISC_R_SUCCESS;
check_result(result, "dns_db_load()");
wversion = NULL;
result = dns_db_newversion(db, &wversion);
check_result(result, "dns_db_newversion()");
dbiter = NULL;
result = dns_db_createiterator(db, 0, &dbiter);
check_result(result, "dns_db_createiterator()");
result = dns_dbiterator_first(dbiter);
check_result(result, "dns_dbiterator_first()");
node = NULL;
result = next_active(db, wversion, dbiter, name, &node);
while (result == ISC_R_SUCCESS) {
nextnode = NULL;
result = dns_dbiterator_next(dbiter);
if (result == ISC_R_SUCCESS)
result = next_active(db, wversion, dbiter, nextname,
&nextnode);
if (result == ISC_R_SUCCESS)
target = nextname;
else if (result == ISC_R_NOMORE)
target = dns_db_origin(db);
else {
target = NULL; /* Make compiler happy. */
fatal("db iteration failed");
}
dns_nsec_build(db, wversion, node, target, 3600); /* XXX BEW */
dns_db_detachnode(db, &node);
node = nextnode;
}
if (result != ISC_R_NOMORE)
fatal("db iteration failed");
dns_dbiterator_destroy(&dbiter);
/*
* XXXRTH For now, we don't increment the SOA serial.
*/
dns_db_closeversion(db, &wversion, ISC_TRUE);
len = strlen(filename);
if (len + 4 + 1 > sizeof(newfilename))
fatal("filename too long");
sprintf(newfilename, "%s.new", filename);
result = dns_db_dump(db, NULL, newfilename);
check_result(result, "dns_db_dump");
dns_db_detach(&db);
}
static isc_result_t
diff_apply(dns_diff_t *diff, dns_db_t *db, dns_dbversion_t *ver,
isc_boolean_t warn)
{
dns_difftuple_t *t;
dns_dbnode_t *node = NULL;
isc_result_t result;
REQUIRE(DNS_DIFF_VALID(diff));
REQUIRE(DNS_DB_VALID(db));
t = ISC_LIST_HEAD(diff->tuples);
while (t != NULL) {
dns_name_t *name;
INSIST(node == NULL);
name = &t->name;
/*
* Find the node.
* We create the node if it does not exist.
* This will cause an empty node to be created if the diff
* contains a deletion of an RR at a nonexistent name,
* but such diffs should never be created in the first
* place.
*/
node = NULL;
CHECK(dns_db_findnode(db, name, ISC_TRUE, &node));
while (t != NULL && dns_name_equal(&t->name, name)) {
dns_rdatatype_t type, covers;
dns_diffop_t op;
dns_rdatalist_t rdl;
dns_rdataset_t rds;
op = t->op;
type = t->rdata.type;
covers = rdata_covers(&t->rdata);
/*
* Collect a contiguous set of updates with
* the same operation (add/delete) and RR type
* into a single rdatalist so that the
* database rrset merging/subtraction code
* can work more efficiently than if each
* RR were merged into / subtracted from
* the database separately.
*
* This is done by linking rdata structures from the
* diff into "rdatalist". This uses the rdata link
* field, not the diff link field, so the structure
* of the diff itself is not affected.
*/
rdl.type = type;
rdl.covers = covers;
rdl.rdclass = t->rdata.rdclass;
rdl.ttl = t->ttl;
ISC_LIST_INIT(rdl.rdata);
ISC_LINK_INIT(&rdl, link);
while (t != NULL &&
dns_name_equal(&t->name, name) &&
t->op == op &&
t->rdata.type == type &&
rdata_covers(&t->rdata) == covers)
{
if (t->ttl != rdl.ttl && warn)
isc_log_write(DIFF_COMMON_LOGARGS,
ISC_LOG_WARNING,
"TTL differs in rdataset, "
"adjusting %lu -> %lu",
(unsigned long) t->ttl,
(unsigned long) rdl.ttl);
ISC_LIST_APPEND(rdl.rdata, &t->rdata, link);
t = ISC_LIST_NEXT(t, link);
}
/*
* Convert the rdatalist into a rdataset.
*/
dns_rdataset_init(&rds);
CHECK(dns_rdatalist_tordataset(&rdl, &rds));
rds.trust = dns_trust_ultimate;
/*
* Merge the rdataset into the database.
*/
if (op == DNS_DIFFOP_ADD) {
result = dns_db_addrdataset(db, node, ver,
0, &rds,
DNS_DBADD_MERGE|
DNS_DBADD_EXACT|
DNS_DBADD_EXACTTTL,
NULL);
} else if (op == DNS_DIFFOP_DEL) {
result = dns_db_subtractrdataset(db, node, ver,
&rds,
DNS_DBSUB_EXACT,
NULL);
} else {
INSIST(0);
}
if (result == DNS_R_UNCHANGED) {
/*
* This will not happen when executing a
* dynamic update, because that code will
* generate strictly minimal diffs.
* It may happen when receiving an IXFR
* from a server that is not as careful.
* Issue a warning and continue.
*/
if (warn)
isc_log_write(DIFF_COMMON_LOGARGS,
ISC_LOG_WARNING,
"update with no effect");
} else if (result == ISC_R_SUCCESS ||
result == DNS_R_NXRRSET) {
/*
* OK.
*/
} else {
CHECK(result);
}
}
dns_db_detachnode(db, &node);
}
return (ISC_R_SUCCESS);
failure:
if (node != NULL)
dns_db_detachnode(db, &node);
return (result);
}
int
main(int argc, char **argv) {
char *porigin, *zonefile;
dns_fixedname_t forigin, fname;
dns_name_t *origin, *name;
dns_db_t *db = NULL;
dns_dbiterator_t *dbiter;
dns_dbnode_t *node;
dns_rdatasetiter_t *rdsiter;
dns_rdataset_t rdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_mem_t *mctx = NULL;
isc_entropy_t *ectx = NULL;
isc_buffer_t b;
isc_result_t result;
PGresult *res;
if (argc != 5) {
printf("usage: %s origin file dbname dbtable\n", argv[0]);
printf("Note that dbname must be an existing database.\n");
exit(1);
}
porigin = argv[1];
zonefile = argv[2];
dbname = argv[3];
dbtable = argv[4];
dns_result_register();
mctx = NULL;
result = isc_mem_create(0, 0, &mctx);
check_result(result, "isc_mem_create");
result = isc_entropy_create(mctx, &ectx);
check_result(result, "isc_entropy_create");
result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
check_result(result, "isc_hash_create");
isc_buffer_init(&b, porigin, strlen(porigin));
isc_buffer_add(&b, strlen(porigin));
dns_fixedname_init(&forigin);
origin = dns_fixedname_name(&forigin);
result = dns_name_fromtext(origin, &b, dns_rootname, 0, NULL);
check_result(result, "dns_name_fromtext");
db = NULL;
result = dns_db_create(mctx, "rbt", origin, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, &db);
check_result(result, "dns_db_create");
result = dns_db_load(db, zonefile);
if (result == DNS_R_SEENINCLUDE)
result = ISC_R_SUCCESS;
check_result(result, "dns_db_load");
printf("Connecting to '%s'\n", dbname);
conn = PQsetdb(NULL, NULL, NULL, NULL, dbname);
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr, "Connection to database '%s' failed: %s\n",
dbname, PQerrorMessage(conn));
closeandexit(1);
}
snprintf(str, sizeof(str),
"DROP TABLE %s", dbtable);
printf("%s\n", str);
res = PQexec(conn, str);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
fprintf(stderr, "DROP TABLE command failed: %s\n",
PQresultErrorMessage(res));
PQclear(res);
snprintf(str, sizeof(str), "BEGIN");
printf("%s\n", str);
res = PQexec(conn, str);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "BEGIN command failed: %s\n",
PQresultErrorMessage(res));
PQclear(res);
closeandexit(1);
}
PQclear(res);
snprintf(str, sizeof(str),
"CREATE TABLE %s "
"(NAME TEXT, TTL INTEGER, RDTYPE TEXT, RDATA TEXT)",
dbtable);
printf("%s\n", str);
res = PQexec(conn, str);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "CREATE TABLE command failed: %s\n",
PQresultErrorMessage(res));
PQclear(res);
closeandexit(1);
}
PQclear(res);
dbiter = NULL;
result = dns_db_createiterator(db, 0, &dbiter);
check_result(result, "dns_db_createiterator()");
result = dns_dbiterator_first(dbiter);
check_result(result, "dns_dbiterator_first");
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
dns_rdataset_init(&rdataset);
dns_rdata_init(&rdata);
while (result == ISC_R_SUCCESS) {
node = NULL;
result = dns_dbiterator_current(dbiter, &node, name);
if (result == ISC_R_NOMORE)
break;
check_result(result, "dns_dbiterator_current");
rdsiter = NULL;
result = dns_db_allrdatasets(db, node, NULL, 0, &rdsiter);
check_result(result, "dns_db_allrdatasets");
result = dns_rdatasetiter_first(rdsiter);
while (result == ISC_R_SUCCESS) {
dns_rdatasetiter_current(rdsiter, &rdataset);
result = dns_rdataset_first(&rdataset);
check_result(result, "dns_rdataset_first");
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&rdataset, &rdata);
addrdata(name, rdataset.ttl, &rdata);
dns_rdata_reset(&rdata);
result = dns_rdataset_next(&rdataset);
}
dns_rdataset_disassociate(&rdataset);
result = dns_rdatasetiter_next(rdsiter);
}
dns_rdatasetiter_destroy(&rdsiter);
dns_db_detachnode(db, &node);
result = dns_dbiterator_next(dbiter);
}
snprintf(str, sizeof(str), "COMMIT TRANSACTION");
printf("%s\n", str);
res = PQexec(conn, str);
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr, "COMMIT command failed: %s\n",
PQresultErrorMessage(res));
PQclear(res);
closeandexit(1);
}
PQclear(res);
dns_dbiterator_destroy(&dbiter);
dns_db_detach(&db);
isc_hash_destroy();
isc_entropy_detach(&ectx);
isc_mem_destroy(&mctx);
closeandexit(0);
exit(0);
}
int
main(int argc, char *argv[]) {
dns_db_t *db;
dns_dbnode_t *node;
isc_result_t result;
dns_name_t name;
dns_offsets_t offsets;
size_t len;
isc_buffer_t source, target;
char s[1000];
char b[255];
dns_rdataset_t rdataset, sigrdataset;
int ch;
dns_rdatatype_t type = 1;
isc_boolean_t printnode = ISC_FALSE;
isc_boolean_t addmode = ISC_FALSE;
isc_boolean_t delmode = ISC_FALSE;
isc_boolean_t holdmode = ISC_FALSE;
isc_boolean_t verbose = ISC_FALSE;
isc_boolean_t done = ISC_FALSE;
isc_boolean_t quiet = ISC_FALSE;
isc_boolean_t time_lookups = ISC_FALSE;
isc_boolean_t found_as;
isc_boolean_t find_zonecut = ISC_FALSE;
isc_boolean_t noexact_zonecut = ISC_FALSE;
int i, v;
dns_rdatasetiter_t *rdsiter;
char t1[256];
char t2[256];
isc_buffer_t tb1, tb2;
isc_region_t r1, r2;
dns_fixedname_t foundname;
dns_name_t *fname;
unsigned int options = 0, zcoptions;
isc_time_t start, finish;
const char *origintext;
dbinfo *dbi;
dns_dbversion_t *version;
dns_name_t *origin;
size_t memory_quota = 0;
dns_trust_t trust = 0;
unsigned int addopts;
isc_log_t *lctx = NULL;
size_t n;
dns_result_register();
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_dbtable_create(mctx, dns_rdataclass_in, &dbtable) ==
ISC_R_SUCCESS);
strcpy(dbtype, "rbt");
while ((ch = isc_commandline_parse(argc, argv, "c:d:t:z:P:Q:glpqvT"))
!= -1) {
switch (ch) {
case 'c':
result = load(isc_commandline_argument, ".", ISC_TRUE);
if (result != ISC_R_SUCCESS)
printf("cache load(%s) %08x: %s\n",
isc_commandline_argument, result,
isc_result_totext(result));
break;
case 'd':
n = strlcpy(dbtype, isc_commandline_argument,
sizeof(dbtype));
if (n >= sizeof(dbtype)) {
fprintf(stderr, "bad db type '%s'\n",
isc_commandline_argument);
exit(1);
}
break;
case 'g':
options |= (DNS_DBFIND_GLUEOK|DNS_DBFIND_VALIDATEGLUE);
break;
case 'l':
RUNTIME_CHECK(isc_log_create(mctx, &lctx,
NULL) == ISC_R_SUCCESS);
isc_log_setcontext(lctx);
dns_log_init(lctx);
dns_log_setcontext(lctx);
break;
case 'q':
quiet = ISC_TRUE;
verbose = ISC_FALSE;
break;
case 'p':
printnode = ISC_TRUE;
break;
case 'P':
pause_every = atoi(isc_commandline_argument);
break;
case 'Q':
memory_quota = atoi(isc_commandline_argument);
isc_mem_setquota(mctx, memory_quota);
break;
case 't':
type = atoi(isc_commandline_argument);
break;
case 'T':
time_lookups = ISC_TRUE;
break;
case 'v':
verbose = ISC_TRUE;
break;
case 'z':
origintext = strrchr(isc_commandline_argument, '/');
if (origintext == NULL)
origintext = isc_commandline_argument;
else
origintext++; /* Skip '/'. */
result = load(isc_commandline_argument, origintext,
ISC_FALSE);
if (result != ISC_R_SUCCESS)
printf("zone load(%s) %08x: %s\n",
isc_commandline_argument, result,
isc_result_totext(result));
break;
}
}
argc -= isc_commandline_index;
argv += isc_commandline_index;
POST(argv);
if (argc != 0)
printf("ignoring trailing arguments\n");
/*
* Some final initialization...
*/
dns_fixedname_init(&foundname);
fname = dns_fixedname_name(&foundname);
dbi = NULL;
origin = dns_rootname;
version = NULL;
if (time_lookups) {
TIME_NOW(&start);
}
while (!done) {
if (!quiet)
printf("\n");
if (fgets(s, sizeof(s), stdin) == NULL) {
done = ISC_TRUE;
continue;
}
len = strlen(s);
if (len > 0U && s[len - 1] == '\n') {
s[len - 1] = '\0';
len--;
}
if (verbose && dbi != NULL) {
if (dbi->wversion != NULL)
printf("future version (%p)\n", dbi->wversion);
for (i = 0; i < dbi->rcount; i++)
if (dbi->rversions[i] != NULL)
printf("open version %d (%p)\n", i,
dbi->rversions[i]);
}
dns_name_init(&name, offsets);
if (strcmp(s, "!R") == 0) {
DBI_CHECK(dbi);
if (dbi->rcount == MAXVERSIONS) {
printf("too many open versions\n");
continue;
}
dns_db_currentversion(dbi->db,
&dbi->rversions[dbi->rcount]);
printf("opened version %d\n", dbi->rcount);
dbi->version = dbi->rversions[dbi->rcount];
version = dbi->version;
dbi->rcount++;
continue;
} else if (strcmp(s, "!W") == 0) {
DBI_CHECK(dbi);
if (dbi->wversion != NULL) {
printf("using existing future version\n");
dbi->version = dbi->wversion;
version = dbi->version;
continue;
}
result = dns_db_newversion(dbi->db, &dbi->wversion);
if (result != ISC_R_SUCCESS)
print_result("", result);
else
printf("newversion\n");
dbi->version = dbi->wversion;
version = dbi->version;
continue;
} else if (strcmp(s, "!C") == 0) {
DBI_CHECK(dbi);
addmode = ISC_FALSE;
delmode = ISC_FALSE;
if (dbi->version == NULL)
continue;
if (dbi->version == dbi->wversion) {
printf("closing future version\n");
dbi->wversion = NULL;
} else {
for (i = 0; i < dbi->rcount; i++) {
if (dbi->version ==
dbi->rversions[i]) {
dbi->rversions[i] = NULL;
printf("closing open version %d\n",
i);
break;
}
}
}
dns_db_closeversion(dbi->db, &dbi->version, ISC_TRUE);
version = NULL;
continue;
} else if (strcmp(s, "!X") == 0) {
DBI_CHECK(dbi);
addmode = ISC_FALSE;
delmode = ISC_FALSE;
if (dbi->version == NULL)
continue;
if (dbi->version == dbi->wversion) {
printf("aborting future version\n");
dbi->wversion = NULL;
} else {
for (i = 0; i < dbi->rcount; i++) {
if (dbi->version ==
dbi->rversions[i]) {
dbi->rversions[i] = NULL;
printf("closing open version %d\n",
i);
break;
}
}
}
dns_db_closeversion(dbi->db, &dbi->version, ISC_FALSE);
version = NULL;
continue;
} else if (strcmp(s, "!A") == 0) {
DBI_CHECK(dbi);
delmode = ISC_FALSE;
if (addmode)
addmode = ISC_FALSE;
else
addmode = ISC_TRUE;
printf("addmode = %s\n", addmode ? "TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!D") == 0) {
DBI_CHECK(dbi);
addmode = ISC_FALSE;
if (delmode)
delmode = ISC_FALSE;
else
delmode = ISC_TRUE;
printf("delmode = %s\n", delmode ? "TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!H") == 0) {
DBI_CHECK(dbi);
if (holdmode)
holdmode = ISC_FALSE;
else
holdmode = ISC_TRUE;
printf("holdmode = %s\n", holdmode ? "TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!HR") == 0) {
DBI_CHECK(dbi);
for (i = 0; i < dbi->hold_count; i++)
dns_db_detachnode(dbi->db,
&dbi->hold_nodes[i]);
dbi->hold_count = 0;
holdmode = ISC_FALSE;
printf("held nodes have been detached\n");
continue;
} else if (strcmp(s, "!VC") == 0) {
DBI_CHECK(dbi);
printf("switching to current version\n");
dbi->version = NULL;
version = NULL;
continue;
} else if (strstr(s, "!V") == s) {
DBI_CHECK(dbi);
v = atoi(&s[2]);
if (v >= dbi->rcount || v < 0) {
printf("unknown open version %d\n", v);
continue;
}
if (dbi->rversions[v] == NULL) {
printf("version %d is not open\n", v);
continue;
}
printf("switching to open version %d\n", v);
dbi->version = dbi->rversions[v];
version = dbi->version;
continue;
} else if (strstr(s, "!TR") == s) {
trust = (unsigned int)atoi(&s[3]);
printf("trust level is now %u\n", (unsigned int)trust);
continue;
} else if (strstr(s, "!T") == s) {
type = (unsigned int)atoi(&s[2]);
printf("now searching for type %u\n", type);
continue;
} else if (strcmp(s, "!G") == 0) {
if ((options & DNS_DBFIND_GLUEOK) != 0)
options &= ~DNS_DBFIND_GLUEOK;
else
options |= DNS_DBFIND_GLUEOK;
printf("glue ok = %s\n",
((options & DNS_DBFIND_GLUEOK) != 0) ?
"TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!GV") == 0) {
if ((options & DNS_DBFIND_VALIDATEGLUE) != 0)
options &= ~DNS_DBFIND_VALIDATEGLUE;
else
options |= DNS_DBFIND_VALIDATEGLUE;
printf("validate glue = %s\n",
((options & DNS_DBFIND_VALIDATEGLUE) != 0) ?
"TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!WC") == 0) {
if ((options & DNS_DBFIND_NOWILD) != 0)
options &= ~DNS_DBFIND_NOWILD;
else
options |= DNS_DBFIND_NOWILD;
printf("wildcard matching = %s\n",
((options & DNS_DBFIND_NOWILD) == 0) ?
"TRUE" : "FALSE");
continue;
} else if (strstr(s, "!LS ") == s) {
DBI_CHECK(dbi);
list(dbi, &s[4]);
continue;
} else if (strcmp(s, "!LS") == 0) {
DBI_CHECK(dbi);
list(dbi, NULL);
continue;
} else if (strstr(s, "!DU ") == s) {
DBI_CHECK(dbi);
result = dns_db_dump(dbi->db, dbi->version, s+4);
if (result != ISC_R_SUCCESS) {
printf("\n");
print_result("", result);
}
continue;
} else if (strcmp(s, "!PN") == 0) {
if (printnode)
printnode = ISC_FALSE;
else
printnode = ISC_TRUE;
printf("printnode = %s\n",
printnode ? "TRUE" : "FALSE");
continue;
} else if (strstr(s, "!P") == s) {
DBI_CHECK(dbi);
v = atoi(&s[2]);
dbi->pause_every = v;
continue;
} else if (strcmp(s, "!+") == 0) {
DBI_CHECK(dbi);
dbi->ascending = ISC_TRUE;
continue;
} else if (strcmp(s, "!-") == 0) {
DBI_CHECK(dbi);
dbi->ascending = ISC_FALSE;
continue;
} else if (strcmp(s, "!DB") == 0) {
dbi = NULL;
origin = dns_rootname;
version = NULL;
printf("now searching all databases\n");
continue;
} else if (strncmp(s, "!DB ", 4) == 0) {
dbi = select_db(s+4);
if (dbi != NULL) {
db = dbi->db;
origin = dns_db_origin(dbi->db);
version = dbi->version;
addmode = ISC_FALSE;
delmode = ISC_FALSE;
holdmode = ISC_FALSE;
} else {
db = NULL;
version = NULL;
origin = dns_rootname;
printf("database not found; "
"now searching all databases\n");
}
continue;
} else if (strcmp(s, "!ZC") == 0) {
if (find_zonecut)
find_zonecut = ISC_FALSE;
else
find_zonecut = ISC_TRUE;
printf("find_zonecut = %s\n",
find_zonecut ? "TRUE" : "FALSE");
continue;
} else if (strcmp(s, "!NZ") == 0) {
if (noexact_zonecut)
noexact_zonecut = ISC_FALSE;
else
noexact_zonecut = ISC_TRUE;
printf("noexact_zonecut = %s\n",
noexact_zonecut ? "TRUE" : "FALSE");
continue;
}
isc_buffer_init(&source, s, len);
isc_buffer_add(&source, len);
isc_buffer_init(&target, b, sizeof(b));
result = dns_name_fromtext(&name, &source, origin, 0, &target);
if (result != ISC_R_SUCCESS) {
print_result("bad name: ", result);
continue;
}
if (dbi == NULL) {
zcoptions = 0;
if (noexact_zonecut)
zcoptions |= DNS_DBTABLEFIND_NOEXACT;
db = NULL;
result = dns_dbtable_find(dbtable, &name, zcoptions,
&db);
if (result != ISC_R_SUCCESS &&
result != DNS_R_PARTIALMATCH) {
if (!quiet) {
printf("\n");
print_result("", result);
}
continue;
}
isc_buffer_init(&tb1, t1, sizeof(t1));
result = dns_name_totext(dns_db_origin(db), ISC_FALSE,
&tb1);
if (result != ISC_R_SUCCESS) {
printf("\n");
print_result("", result);
dns_db_detach(&db);
continue;
}
isc_buffer_usedregion(&tb1, &r1);
printf("\ndatabase = %.*s (%s)\n",
(int)r1.length, r1.base,
(dns_db_iszone(db)) ? "zone" : "cache");
}
node = NULL;
dns_rdataset_init(&rdataset);
dns_rdataset_init(&sigrdataset);
if (find_zonecut && dns_db_iscache(db)) {
zcoptions = options;
if (noexact_zonecut)
zcoptions |= DNS_DBFIND_NOEXACT;
result = dns_db_findzonecut(db, &name, zcoptions,
0, &node, fname,
&rdataset, &sigrdataset);
} else {
result = dns_db_find(db, &name, version, type,
options, 0, &node, fname,
&rdataset, &sigrdataset);
}
if (!quiet) {
if (dbi != NULL)
printf("\n");
print_result("", result);
}
found_as = ISC_FALSE;
switch (result) {
case ISC_R_SUCCESS:
case DNS_R_GLUE:
case DNS_R_CNAME:
case DNS_R_ZONECUT:
break;
case DNS_R_DNAME:
case DNS_R_DELEGATION:
found_as = ISC_TRUE;
break;
case DNS_R_NXRRSET:
if (dns_rdataset_isassociated(&rdataset))
break;
if (dbi != NULL) {
if (holdmode) {
RUNTIME_CHECK(dbi->hold_count <
MAXHOLD);
dbi->hold_nodes[dbi->hold_count++] =
node;
node = NULL;
} else
dns_db_detachnode(db, &node);
} else {
dns_db_detachnode(db, &node);
dns_db_detach(&db);
}
continue;
case DNS_R_NXDOMAIN:
if (dns_rdataset_isassociated(&rdataset))
break;
/* FALLTHROUGH */
default:
if (dbi == NULL)
dns_db_detach(&db);
if (quiet)
print_result("", result);
continue;
}
if (found_as && !quiet) {
isc_buffer_init(&tb1, t1, sizeof(t1));
isc_buffer_init(&tb2, t2, sizeof(t2));
result = dns_name_totext(&name, ISC_FALSE, &tb1);
if (result != ISC_R_SUCCESS) {
print_result("", result);
dns_db_detachnode(db, &node);
if (dbi == NULL)
dns_db_detach(&db);
continue;
}
result = dns_name_totext(fname, ISC_FALSE, &tb2);
if (result != ISC_R_SUCCESS) {
print_result("", result);
dns_db_detachnode(db, &node);
if (dbi == NULL)
dns_db_detach(&db);
continue;
}
isc_buffer_usedregion(&tb1, &r1);
isc_buffer_usedregion(&tb2, &r2);
printf("found %.*s as %.*s\n",
(int)r1.length, r1.base,
(int)r2.length, r2.base);
}
if (printnode)
dns_db_printnode(db, node, stdout);
if (!found_as && type == dns_rdatatype_any) {
rdsiter = NULL;
result = dns_db_allrdatasets(db, node, version, 0,
&rdsiter);
if (result == ISC_R_SUCCESS) {
if (!quiet)
print_rdatasets(fname, rdsiter);
dns_rdatasetiter_destroy(&rdsiter);
} else
print_result("", result);
} else {
if (!quiet)
print_rdataset(fname, &rdataset);
if (dns_rdataset_isassociated(&sigrdataset)) {
if (!quiet)
print_rdataset(fname, &sigrdataset);
dns_rdataset_disassociate(&sigrdataset);
}
if (dbi != NULL && addmode && !found_as) {
rdataset.ttl++;
rdataset.trust = trust;
if (dns_db_iszone(db))
addopts = DNS_DBADD_MERGE;
else
addopts = 0;
result = dns_db_addrdataset(db, node, version,
0, &rdataset,
addopts, NULL);
if (result != ISC_R_SUCCESS)
print_result("", result);
if (printnode)
dns_db_printnode(db, node, stdout);
} else if (dbi != NULL && delmode && !found_as) {
result = dns_db_deleterdataset(db, node,
version, type,
0);
if (result != ISC_R_SUCCESS)
print_result("", result);
if (printnode)
dns_db_printnode(db, node, stdout);
}
dns_rdataset_disassociate(&rdataset);
}
if (dbi != NULL) {
if (holdmode) {
RUNTIME_CHECK(dbi->hold_count < MAXHOLD);
dbi->hold_nodes[dbi->hold_count++] = node;
node = NULL;
} else
dns_db_detachnode(db, &node);
} else {
dns_db_detachnode(db, &node);
dns_db_detach(&db);
}
}
if (time_lookups) {
isc_uint64_t usec;
TIME_NOW(&finish);
usec = isc_time_microdiff(&finish, &start);
printf("elapsed time: %lu.%06lu seconds\n",
(unsigned long)(usec / 1000000),
(unsigned long)(usec % 1000000));
}
unload_all();
dns_dbtable_detach(&dbtable);
if (lctx != NULL)
isc_log_destroy(&lctx);
if (!quiet)
isc_mem_stats(mctx, stdout);
return (0);
}
static void
list(dbinfo *dbi, char *seektext) {
dns_fixedname_t fname;
dns_name_t *name;
dns_dbnode_t *node;
dns_rdatasetiter_t *rdsiter;
isc_result_t result;
int i;
size_t len;
dns_fixedname_t fseekname;
dns_name_t *seekname;
isc_buffer_t source;
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
if (dbi->dbiterator == NULL) {
INSIST(dbi->iversion == NULL);
if (dns_db_iszone(dbi->db)) {
if (dbi->version != NULL)
dns_db_attachversion(dbi->db, dbi->version,
&dbi->iversion);
else
dns_db_currentversion(dbi->db, &dbi->iversion);
}
result = dns_db_createiterator(dbi->db, 0, &dbi->dbiterator);
if (result == ISC_R_SUCCESS) {
if (seektext != NULL) {
len = strlen(seektext);
isc_buffer_init(&source, seektext, len);
isc_buffer_add(&source, len);
dns_fixedname_init(&fseekname);
seekname = dns_fixedname_name(&fseekname);
result = dns_name_fromtext(seekname, &source,
dns_db_origin(
dbi->db),
0, NULL);
if (result == ISC_R_SUCCESS)
result = dns_dbiterator_seek(
dbi->dbiterator,
seekname);
} else if (dbi->ascending)
result = dns_dbiterator_first(dbi->dbiterator);
else
result = dns_dbiterator_last(dbi->dbiterator);
}
} else
result = ISC_R_SUCCESS;
node = NULL;
rdsiter = NULL;
i = 0;
while (result == ISC_R_SUCCESS) {
result = dns_dbiterator_current(dbi->dbiterator, &node, name);
if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN)
break;
result = dns_db_allrdatasets(dbi->db, node, dbi->iversion, 0,
&rdsiter);
if (result != ISC_R_SUCCESS) {
dns_db_detachnode(dbi->db, &node);
break;
}
print_rdatasets(name, rdsiter);
dns_rdatasetiter_destroy(&rdsiter);
dns_db_detachnode(dbi->db, &node);
if (dbi->ascending)
result = dns_dbiterator_next(dbi->dbiterator);
else
result = dns_dbiterator_prev(dbi->dbiterator);
i++;
if (result == ISC_R_SUCCESS && i == dbi->pause_every) {
printf("[more...]\n");
result = dns_dbiterator_pause(dbi->dbiterator);
if (result == ISC_R_SUCCESS)
return;
}
}
if (result != ISC_R_NOMORE)
print_result("", result);
dns_dbiterator_destroy(&dbi->dbiterator);
if (dbi->iversion != NULL)
dns_db_closeversion(dbi->db, &dbi->iversion, ISC_FALSE);
}
