xref: /openbsd-src/lib/libc/net/res_data.c (revision aea60bee5e9bad0aab62f480f19c2fb34c068de4)
1*aea60beeSderaadt /*	$OpenBSD: res_data.c,v 1.4 2015/01/16 16:48:51 deraadt Exp $	*/
27949d54bSdownsj 
37949d54bSdownsj /*
47949d54bSdownsj  * ++Copyright++ 1995
57949d54bSdownsj  * -
67949d54bSdownsj  * Copyright (c) 1995
77949d54bSdownsj  *    The Regents of the University of California.  All rights reserved.
87949d54bSdownsj  *
97949d54bSdownsj  * Redistribution and use in source and binary forms, with or without
107949d54bSdownsj  * modification, are permitted provided that the following conditions
117949d54bSdownsj  * are met:
127949d54bSdownsj  * 1. Redistributions of source code must retain the above copyright
137949d54bSdownsj  *    notice, this list of conditions and the following disclaimer.
147949d54bSdownsj  * 2. Redistributions in binary form must reproduce the above copyright
157949d54bSdownsj  *    notice, this list of conditions and the following disclaimer in the
167949d54bSdownsj  *    documentation and/or other materials provided with the distribution.
176580fee3Smillert  * 3. Neither the name of the University nor the names of its contributors
187949d54bSdownsj  *    may be used to endorse or promote products derived from this software
197949d54bSdownsj  *    without specific prior written permission.
207949d54bSdownsj  *
217949d54bSdownsj  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
227949d54bSdownsj  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
237949d54bSdownsj  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
247949d54bSdownsj  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
257949d54bSdownsj  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
267949d54bSdownsj  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
277949d54bSdownsj  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
287949d54bSdownsj  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
297949d54bSdownsj  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
307949d54bSdownsj  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
317949d54bSdownsj  * SUCH DAMAGE.
327949d54bSdownsj  * -
337949d54bSdownsj  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
347949d54bSdownsj  *
357949d54bSdownsj  * Permission to use, copy, modify, and distribute this software for any
367949d54bSdownsj  * purpose with or without fee is hereby granted, provided that the above
377949d54bSdownsj  * copyright notice and this permission notice appear in all copies, and that
387949d54bSdownsj  * the name of Digital Equipment Corporation not be used in advertising or
397949d54bSdownsj  * publicity pertaining to distribution of the document or software without
407949d54bSdownsj  * specific, written prior permission.
417949d54bSdownsj  *
427949d54bSdownsj  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
437949d54bSdownsj  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
447949d54bSdownsj  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
457949d54bSdownsj  * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
467949d54bSdownsj  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
477949d54bSdownsj  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
487949d54bSdownsj  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
497949d54bSdownsj  * SOFTWARE.
507949d54bSdownsj  * -
517949d54bSdownsj  * --Copyright--
527949d54bSdownsj  */
537949d54bSdownsj 
547949d54bSdownsj #include <sys/types.h>
557949d54bSdownsj #include <sys/socket.h>
567949d54bSdownsj #include <sys/time.h>
577949d54bSdownsj #include <netinet/in.h>
587949d54bSdownsj #include <arpa/inet.h>
597949d54bSdownsj #include <arpa/nameser.h>
607949d54bSdownsj 
617949d54bSdownsj #include <stdio.h>
627949d54bSdownsj #include <ctype.h>
637949d54bSdownsj #include <resolv.h>
647949d54bSdownsj #include <unistd.h>
657949d54bSdownsj #include <stdlib.h>
667949d54bSdownsj #include <string.h>
677949d54bSdownsj 
687949d54bSdownsj const char *_res_opcodes[] = {
697949d54bSdownsj 	"QUERY",
707949d54bSdownsj 	"IQUERY",
717949d54bSdownsj 	"CQUERYM",
727949d54bSdownsj 	"CQUERYU",	/* experimental */
737949d54bSdownsj 	"NOTIFY",	/* experimental */
747949d54bSdownsj 	"5",
757949d54bSdownsj 	"6",
767949d54bSdownsj 	"7",
777949d54bSdownsj 	"8",
787949d54bSdownsj 	"UPDATEA",
797949d54bSdownsj 	"UPDATED",
807949d54bSdownsj 	"UPDATEDA",
817949d54bSdownsj 	"UPDATEM",
827949d54bSdownsj 	"UPDATEMA",
837949d54bSdownsj 	"ZONEINIT",
847949d54bSdownsj 	"ZONEREF",
857949d54bSdownsj };
867949d54bSdownsj 
877949d54bSdownsj const char *_res_resultcodes[] = {
887949d54bSdownsj 	"NOERROR",
897949d54bSdownsj 	"FORMERR",
907949d54bSdownsj 	"SERVFAIL",
917949d54bSdownsj 	"NXDOMAIN",
927949d54bSdownsj 	"NOTIMP",
937949d54bSdownsj 	"REFUSED",
947949d54bSdownsj 	"6",
957949d54bSdownsj 	"7",
967949d54bSdownsj 	"8",
977949d54bSdownsj 	"9",
987949d54bSdownsj 	"10",
997949d54bSdownsj 	"11",
1007949d54bSdownsj 	"12",
1017949d54bSdownsj 	"13",
1027949d54bSdownsj 	"14",
1037949d54bSdownsj 	"NOCHANGE",
1047949d54bSdownsj };
105