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 53 typedef 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