static isc_result_t
check_node(dns_rdataset_t *rootns, dns_name_t *name,
dns_rdatasetiter_t *rdsiter) {
isc_result_t result;
dns_rdataset_t rdataset;
dns_rdataset_init(&rdataset);
result = dns_rdatasetiter_first(rdsiter);
while (result == ISC_R_SUCCESS) {
dns_rdatasetiter_current(rdsiter, &rdataset);
switch (rdataset.type) {
case dns_rdatatype_a:
case dns_rdatatype_aaaa:
result = in_rootns(rootns, name);
if (result != ISC_R_SUCCESS)
goto cleanup;
break;
case dns_rdatatype_ns:
if (dns_name_compare(name, dns_rootname) == 0)
break;
/*FALLTHROUGH*/
default:
result = ISC_R_FAILURE;
goto cleanup;
}
dns_rdataset_disassociate(&rdataset);
result = dns_rdatasetiter_next(rdsiter);
}
if (result == ISC_R_NOMORE)
result = ISC_R_SUCCESS;
cleanup:
if (dns_rdataset_isassociated(&rdataset))
dns_rdataset_disassociate(&rdataset);
return (result);
}
static dbinfo *
select_db(char *origintext) {
dns_fixedname_t forigin;
dns_name_t *origin;
isc_buffer_t source;
size_t len;
dbinfo *dbi;
isc_result_t result;
if (strcasecmp(origintext, "cache") == 0) {
if (cache_dbi == NULL)
printf("the cache does not exist\n");
return (cache_dbi);
}
len = strlen(origintext);
isc_buffer_init(&source, origintext, len);
isc_buffer_add(&source, len);
dns_fixedname_init(&forigin);
origin = dns_fixedname_name(&forigin);
result = dns_name_fromtext(origin, &source, dns_rootname, 0, NULL);
if (result != ISC_R_SUCCESS) {
print_result("bad name", result);
return (NULL);
}
for (dbi = ISC_LIST_HEAD(dbs);
dbi != NULL;
dbi = ISC_LIST_NEXT(dbi, link)) {
if (dns_name_compare(dns_db_origin(dbi->db), origin) == 0)
break;
}
return (dbi);
}
void
dns_dbtable_adddefault(dns_dbtable_t *dbtable, dns_db_t *db) {
REQUIRE(VALID_DBTABLE(dbtable));
REQUIRE(dbtable->default_db == NULL);
REQUIRE(dns_name_compare(dns_db_origin(db), dns_rootname) == 0);
RWLOCK(&dbtable->tree_lock, isc_rwlocktype_write);
dbtable->default_db = NULL;
dns_db_attach(db, &dbtable->default_db);
RWUNLOCK(&dbtable->tree_lock, isc_rwlocktype_write);
}
static isc_result_t
in_rootns(dns_rdataset_t *rootns, dns_name_t *name) {
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdata_ns_t ns;
if (!dns_rdataset_isassociated(rootns))
return (ISC_R_NOTFOUND);
result = dns_rdataset_first(rootns);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(rootns, &rdata);
result = dns_rdata_tostruct(&rdata, &ns, NULL);
if (result != ISC_R_SUCCESS)
return (result);
if (dns_name_compare(name, &ns.name) == 0)
return (ISC_R_SUCCESS);
result = dns_rdataset_next(rootns);
}
if (result == ISC_R_NOMORE)
result = ISC_R_NOTFOUND;
return (result);
}