1 /* $NetBSD: nameser_compat.h,v 1.6 2015/02/24 17:57:08 christos Exp $ */ 2 3 /* Copyright (c) 1983, 1989 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /*% 32 * from nameser.h 8.1 (Berkeley) 6/2/93 33 * Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp 34 */ 35 36 #ifndef _ARPA_NAMESER_COMPAT_ 37 #define _ARPA_NAMESER_COMPAT_ 38 39 #define __BIND 19950621 /*%< (DEAD) interface version stamp. */ 40 41 #ifndef BYTE_ORDER 42 #if (BSD >= 199103) 43 # include <machine/endian.h> 44 #else 45 #ifdef __linux 46 # include <endian.h> 47 #else 48 #define LITTLE_ENDIAN 1234 /*%< least-significant byte first (vax, pc) */ 49 #define BIG_ENDIAN 4321 /*%< most-significant byte first (IBM, net) */ 50 #define PDP_ENDIAN 3412 /*%< LSB first in word, MSW first in long (pdp) */ 51 52 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \ 53 defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \ 54 defined(__i386__) || defined(__i386) || defined(__amd64__) || \ 55 defined(__x86_64__) || defined(MIPSEL) || defined(_MIPSEL) || \ 56 defined(BIT_ZERO_ON_RIGHT) || defined(__alpha__) || defined(__alpha) || \ 57 (defined(__Lynx__) && defined(__x86__)) 58 #define BYTE_ORDER LITTLE_ENDIAN 59 #endif 60 61 #if defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \ 62 defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \ 63 defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\ 64 defined(apollo) || defined(__convex__) || defined(_CRAY) || \ 65 defined(__hppa) || defined(__hp9000) || \ 66 defined(__hp9000s300) || defined(__hp9000s700) || \ 67 defined(__hp3000s900) || defined(__hpux) || defined(MPE) || \ 68 defined (BIT_ZERO_ON_LEFT) || defined(m68k) || defined(__sparc) || \ 69 (defined(__Lynx__) && \ 70 (defined(__68k__) || defined(__sparc__) || defined(__powerpc__))) 71 #define BYTE_ORDER BIG_ENDIAN 72 #endif 73 #endif /* __linux */ 74 #endif /* BSD */ 75 #endif /* BYTE_ORDER */ 76 77 #if !defined(BYTE_ORDER) || \ 78 (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \ 79 BYTE_ORDER != PDP_ENDIAN) 80 /* you must determine what the correct bit order is for 81 * your compiler - the next line is an intentional error 82 * which will force your compiles to bomb until you fix 83 * the above macros. 84 */ 85 error "Undefined or invalid BYTE_ORDER"; 86 #endif 87 88 /*% 89 * Structure for query header. The order of the fields is machine- and 90 * compiler-dependent, depending on the byte/bit order and the layout 91 * of bit fields. We use bit fields only in int variables, as this 92 * is all ANSI requires. This requires a somewhat confusing rearrangement. 93 */ 94 95 typedef struct { 96 unsigned id :16; /*%< query identification number */ 97 #if BYTE_ORDER == BIG_ENDIAN 98 /* fields in third byte */ 99 unsigned qr: 1; /*%< response flag */ 100 unsigned opcode: 4; /*%< purpose of message */ 101 unsigned aa: 1; /*%< authoritive answer */ 102 unsigned tc: 1; /*%< truncated message */ 103 unsigned rd: 1; /*%< recursion desired */ 104 /* fields in fourth byte */ 105 unsigned ra: 1; /*%< recursion available */ 106 unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */ 107 unsigned ad: 1; /*%< authentic data from named */ 108 unsigned cd: 1; /*%< checking disabled by resolver */ 109 unsigned rcode :4; /*%< response code */ 110 #endif 111 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN 112 /* fields in third byte */ 113 unsigned rd :1; /*%< recursion desired */ 114 unsigned tc :1; /*%< truncated message */ 115 unsigned aa :1; /*%< authoritive answer */ 116 unsigned opcode :4; /*%< purpose of message */ 117 unsigned qr :1; /*%< response flag */ 118 /* fields in fourth byte */ 119 unsigned rcode :4; /*%< response code */ 120 unsigned cd: 1; /*%< checking disabled by resolver */ 121 unsigned ad: 1; /*%< authentic data from named */ 122 unsigned unused :1; /*%< unused bits (MBZ as of 4.9.3a3) */ 123 unsigned ra :1; /*%< recursion available */ 124 #endif 125 /* remaining bytes */ 126 unsigned qdcount :16; /*%< number of question entries */ 127 unsigned ancount :16; /*%< number of answer entries */ 128 unsigned nscount :16; /*%< number of authority entries */ 129 unsigned arcount :16; /*%< number of resource entries */ 130 } HEADER; 131 132 #define PACKETSZ NS_PACKETSZ 133 #define MAXDNAME NS_MAXDNAME 134 #define MAXCDNAME NS_MAXCDNAME 135 #define MAXLABEL NS_MAXLABEL 136 #define HFIXEDSZ NS_HFIXEDSZ 137 #define QFIXEDSZ NS_QFIXEDSZ 138 #define RRFIXEDSZ NS_RRFIXEDSZ 139 #define INT32SZ NS_INT32SZ 140 #define INT16SZ NS_INT16SZ 141 #define INT8SZ NS_INT8SZ 142 #define INADDRSZ NS_INADDRSZ 143 #define IN6ADDRSZ NS_IN6ADDRSZ 144 #define INDIR_MASK NS_CMPRSFLGS 145 #define NAMESERVER_PORT NS_DEFAULTPORT 146 147 #define S_ZONE ns_s_zn 148 #define S_PREREQ ns_s_pr 149 #define S_UPDATE ns_s_ud 150 #define S_ADDT ns_s_ar 151 152 #define QUERY ns_o_query 153 #define IQUERY ns_o_iquery 154 #define STATUS ns_o_status 155 #define NS_NOTIFY_OP ns_o_notify 156 #define NS_UPDATE_OP ns_o_update 157 158 #define NOERROR ns_r_noerror 159 #define FORMERR ns_r_formerr 160 #define SERVFAIL ns_r_servfail 161 #define NXDOMAIN ns_r_nxdomain 162 #define NOTIMP ns_r_notimpl 163 #define REFUSED ns_r_refused 164 #define YXDOMAIN ns_r_yxdomain 165 #define YXRRSET ns_r_yxrrset 166 #define NXRRSET ns_r_nxrrset 167 #define NOTAUTH ns_r_notauth 168 #define NOTZONE ns_r_notzone 169 /*#define BADSIG ns_r_badsig*/ 170 /*#define BADKEY ns_r_badkey*/ 171 /*#define BADTIME ns_r_badtime*/ 172 173 174 #define DELETE ns_uop_delete 175 #define ADD ns_uop_add 176 177 #define T_A ns_t_a 178 #define T_NS ns_t_ns 179 #define T_MD ns_t_md 180 #define T_MF ns_t_mf 181 #define T_CNAME ns_t_cname 182 #define T_SOA ns_t_soa 183 #define T_MB ns_t_mb 184 #define T_MG ns_t_mg 185 #define T_MR ns_t_mr 186 #define T_NULL ns_t_null 187 #define T_WKS ns_t_wks 188 #define T_PTR ns_t_ptr 189 #define T_HINFO ns_t_hinfo 190 #define T_MINFO ns_t_minfo 191 #define T_MX ns_t_mx 192 #define T_TXT ns_t_txt 193 #define T_RP ns_t_rp 194 #define T_AFSDB ns_t_afsdb 195 #define T_X25 ns_t_x25 196 #define T_ISDN ns_t_isdn 197 #define T_RT ns_t_rt 198 #define T_NSAP ns_t_nsap 199 #define T_NSAP_PTR ns_t_nsap_ptr 200 #define T_SIG ns_t_sig 201 #define T_KEY ns_t_key 202 #define T_PX ns_t_px 203 #define T_GPOS ns_t_gpos 204 #define T_AAAA ns_t_aaaa 205 #define T_LOC ns_t_loc 206 #define T_NXT ns_t_nxt 207 #define T_EID ns_t_eid 208 #define T_NIMLOC ns_t_nimloc 209 #define T_SRV ns_t_srv 210 #define T_ATMA ns_t_atma 211 #define T_NAPTR ns_t_naptr 212 #define T_A6 ns_t_a6 213 #define T_TSIG ns_t_tsig 214 #define T_IXFR ns_t_ixfr 215 #define T_AXFR ns_t_axfr 216 #define T_MAILB ns_t_mailb 217 #define T_MAILA ns_t_maila 218 #define T_ANY ns_t_any 219 220 #define C_IN ns_c_in 221 #define C_CHAOS ns_c_chaos 222 #define C_HS ns_c_hs 223 /* BIND_UPDATE */ 224 #define C_NONE ns_c_none 225 #define C_ANY ns_c_any 226 227 #define GETSHORT NS_GET16 228 #define GETLONG NS_GET32 229 #define PUTSHORT NS_PUT16 230 #define PUTLONG NS_PUT32 231 232 #endif /* _ARPA_NAMESER_COMPAT_ */ 233