1/* 2 * Copyright (c) 1983, 1989 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29#ifndef _ARPA_NAMESER_COMPAT_ 30#define _ARPA_NAMESER_COMPAT_ 31 32#define __BIND 19950621 /* (DEAD) interface version stamp. */ 33 34#include <endian.h> 35 36#if !defined(BYTE_ORDER) || \ 37 (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN) 38 /* you must determine what the correct bit order is for 39 * your compiler - the next line is an intentional error 40 * which will force your compiles to bomb until you fix 41 * the above macros. 42 */ 43#error "Undefined or invalid BYTE_ORDER"; 44#endif 45 46/* 47 * Structure for query header. The order of the fields is machine- and 48 * compiler-dependent, depending on the byte/bit order and the layout 49 * of bit fields. We use bit fields only in int variables, as this 50 * is all ANSI requires. This requires a somewhat confusing rearrangement. 51 */ 52 53typedef struct { 54 unsigned id :16; /* query identification number */ 55#if BYTE_ORDER == BIG_ENDIAN 56 /* fields in third byte */ 57 unsigned qr: 1; /* response flag */ 58 unsigned opcode: 4; /* purpose of message */ 59 unsigned aa: 1; /* authoritative answer */ 60 unsigned tc: 1; /* truncated message */ 61 unsigned rd: 1; /* recursion desired */ 62 /* fields in fourth byte */ 63 unsigned ra: 1; /* recursion available */ 64 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ 65 unsigned ad: 1; /* authentic data from named */ 66 unsigned cd: 1; /* checking disabled by resolver */ 67 unsigned rcode :4; /* response code */ 68#endif 69#if BYTE_ORDER == LITTLE_ENDIAN 70 /* fields in third byte */ 71 unsigned rd :1; /* recursion desired */ 72 unsigned tc :1; /* truncated message */ 73 unsigned aa :1; /* authoritative answer */ 74 unsigned opcode :4; /* purpose of message */ 75 unsigned qr :1; /* response flag */ 76 /* fields in fourth byte */ 77 unsigned rcode :4; /* response code */ 78 unsigned cd: 1; /* checking disabled by resolver */ 79 unsigned ad: 1; /* authentic data from named */ 80 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ 81 unsigned ra :1; /* recursion available */ 82#endif 83 /* remaining bytes */ 84 unsigned qdcount :16; /* number of question entries */ 85 unsigned ancount :16; /* number of answer entries */ 86 unsigned nscount :16; /* number of authority entries */ 87 unsigned arcount :16; /* number of resource entries */ 88} HEADER; 89 90#define PACKETSZ NS_PACKETSZ 91#define MAXDNAME NS_MAXDNAME 92#define MAXCDNAME NS_MAXCDNAME 93#define MAXLABEL NS_MAXLABEL 94#define HFIXEDSZ NS_HFIXEDSZ 95#define QFIXEDSZ NS_QFIXEDSZ 96#define RRFIXEDSZ NS_RRFIXEDSZ 97#define INT32SZ NS_INT32SZ 98#define INT16SZ NS_INT16SZ 99#define INT8SZ NS_INT8SZ 100#define INADDRSZ NS_INADDRSZ 101#define IN6ADDRSZ NS_IN6ADDRSZ 102#define INDIR_MASK NS_CMPRSFLGS 103#define NAMESERVER_PORT NS_DEFAULTPORT 104 105#define S_ZONE ns_s_zn 106#define S_PREREQ ns_s_pr 107#define S_UPDATE ns_s_ud 108#define S_ADDT ns_s_ar 109 110#define QUERY ns_o_query 111#define IQUERY ns_o_iquery 112#define STATUS ns_o_status 113#define NS_NOTIFY_OP ns_o_notify 114#define NS_UPDATE_OP ns_o_update 115 116#define NOERROR ns_r_noerror 117#define FORMERR ns_r_formerr 118#define SERVFAIL ns_r_servfail 119#define NXDOMAIN ns_r_nxdomain 120#define NOTIMP ns_r_notimpl 121#define REFUSED ns_r_refused 122#define YXDOMAIN ns_r_yxdomain 123#define YXRRSET ns_r_yxrrset 124#define NXRRSET ns_r_nxrrset 125#define NOTAUTH ns_r_notauth 126#define NOTZONE ns_r_notzone 127/*#define BADSIG ns_r_badsig*/ 128/*#define BADKEY ns_r_badkey*/ 129/*#define BADTIME ns_r_badtime*/ 130 131 132#define DELETE ns_uop_delete 133#define ADD ns_uop_add 134 135#define T_A ns_t_a 136#define T_NS ns_t_ns 137#define T_MD ns_t_md 138#define T_MF ns_t_mf 139#define T_CNAME ns_t_cname 140#define T_SOA ns_t_soa 141#define T_MB ns_t_mb 142#define T_MG ns_t_mg 143#define T_MR ns_t_mr 144#define T_NULL ns_t_null 145#define T_WKS ns_t_wks 146#define T_PTR ns_t_ptr 147#define T_HINFO ns_t_hinfo 148#define T_MINFO ns_t_minfo 149#define T_MX ns_t_mx 150#define T_TXT ns_t_txt 151#define T_RP ns_t_rp 152#define T_AFSDB ns_t_afsdb 153#define T_X25 ns_t_x25 154#define T_ISDN ns_t_isdn 155#define T_RT ns_t_rt 156#define T_NSAP ns_t_nsap 157#define T_NSAP_PTR ns_t_nsap_ptr 158#define T_SIG ns_t_sig 159#define T_KEY ns_t_key 160#define T_PX ns_t_px 161#define T_GPOS ns_t_gpos 162#define T_AAAA ns_t_aaaa 163#define T_LOC ns_t_loc 164#define T_NXT ns_t_nxt 165#define T_EID ns_t_eid 166#define T_NIMLOC ns_t_nimloc 167#define T_SRV ns_t_srv 168#define T_ATMA ns_t_atma 169#define T_NAPTR ns_t_naptr 170#define T_A6 ns_t_a6 171#define T_DNAME ns_t_dname 172#define T_OPT ns_t_opt 173#define T_TSIG ns_t_tsig 174#define T_IXFR ns_t_ixfr 175#define T_AXFR ns_t_axfr 176#define T_MAILB ns_t_mailb 177#define T_MAILA ns_t_maila 178#define T_ANY ns_t_any 179 180#define C_IN ns_c_in 181#define C_CHAOS ns_c_chaos 182#define C_HS ns_c_hs 183/* BIND_UPDATE */ 184#define C_NONE ns_c_none 185#define C_ANY ns_c_any 186 187#define GETSHORT NS_GET16 188#define GETLONG NS_GET32 189#define PUTSHORT NS_PUT16 190#define PUTLONG NS_PUT32 191 192#endif /* _ARPA_NAMESER_COMPAT_ */ 193