Exemplo n.º 1
0
isc_result_t
dns_db_getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) {
	REQUIRE(DNS_DB_VALID(db));
	REQUIRE(dns_db_iszone(db) == ISC_TRUE);
	REQUIRE(nodep != NULL && *nodep == NULL);

	if (db->methods->getoriginnode != NULL)
		return ((db->methods->getoriginnode)(db, nodep));

	return (ISC_R_NOTFOUND);
}
Exemplo n.º 2
0
isc_result_t
dns_db_getsize(dns_db_t *db, dns_dbversion_t *version, isc_uint64_t *records,
	       isc_uint64_t *bytes)
{
	REQUIRE(DNS_DB_VALID(db));
	REQUIRE(dns_db_iszone(db) == ISC_TRUE);

	if (db->methods->getsize != NULL)
		return ((db->methods->getsize)(db, version, records, bytes));

	return (ISC_R_NOTFOUND);
}
Exemplo n.º 3
0
isc_result_t
dns_db_getnsec3parameters(dns_db_t *db, dns_dbversion_t *version,
			  dns_hash_t *hash, isc_uint8_t *flags,
			  isc_uint16_t *iterations,
			  unsigned char *salt, size_t *salt_length)
{
	REQUIRE(DNS_DB_VALID(db));
	REQUIRE(dns_db_iszone(db) == ISC_TRUE);

	if (db->methods->getnsec3parameters != NULL)
		return ((db->methods->getnsec3parameters)(db, version, hash,
							  flags, iterations,
							  salt, salt_length));

	return (ISC_R_NOTFOUND);
}
Exemplo n.º 4
0
static void
unload_all(void) {
	dbinfo *dbi, *dbi_next;

	for (dbi = ISC_LIST_HEAD(dbs); dbi != NULL; dbi = dbi_next) {
		dbi_next = ISC_LIST_NEXT(dbi, link);
		if (dns_db_iszone(dbi->db))
			dns_dbtable_remove(dbtable, dbi->db);
		else {
			INSIST(dbi == cache_dbi);
			dns_dbtable_removedefault(dbtable);
			cache_dbi = NULL;
		}
		dns_db_detach(&dbi->db);
		ISC_LIST_UNLINK(dbs, dbi, link);
		isc_mem_put(mctx, dbi, sizeof(*dbi));
	}
}
Exemplo n.º 5
0
isc_result_t
dns_db_getsoaserial(dns_db_t *db, dns_dbversion_t *ver, isc_uint32_t *serialp)
{
	isc_result_t result;
	dns_dbnode_t *node = NULL;
	dns_rdataset_t rdataset;
	dns_rdata_t rdata = DNS_RDATA_INIT;
	isc_buffer_t buffer;

	REQUIRE(dns_db_iszone(db) || dns_db_isstub(db));

	result = dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node);
	if (result != ISC_R_SUCCESS)
		return (result);

	dns_rdataset_init(&rdataset);
	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_soa, 0,
				     (isc_stdtime_t)0, &rdataset, NULL);
	if (result != ISC_R_SUCCESS)
		goto freenode;

	result = dns_rdataset_first(&rdataset);
	if (result != ISC_R_SUCCESS)
		goto freerdataset;
	dns_rdataset_current(&rdataset, &rdata);
	result = dns_rdataset_next(&rdataset);
	INSIST(result == ISC_R_NOMORE);

	INSIST(rdata.length > 20);
	isc_buffer_init(&buffer, rdata.data, rdata.length);
	isc_buffer_add(&buffer, rdata.length);
	isc_buffer_forward(&buffer, rdata.length - 20);
	*serialp = isc_buffer_getuint32(&buffer);

	result = ISC_R_SUCCESS;

 freerdataset:
	dns_rdataset_disassociate(&rdataset);

 freenode:
	dns_db_detachnode(db, &node);
	return (result);
}
Exemplo n.º 6
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;
	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);
}
Exemplo n.º 7
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);
}