1 /* $NetBSD: nameser_compat.h,v 1.2 2018/04/07 22:37:29 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 1.2 2000/01/27 23:28:08 mellon Exp 34 */ 35 36 #ifndef _ARPA_NAMESER_COMPAT_ 37 #define _ARPA_NAMESER_COMPAT_ 38 39 /* 40 * Structure for query header. The order of the fields is machine- and 41 * compiler-dependent, depending on the byte/bit order and the layout 42 * of bit fields. We use bit fields only in int variables, as this 43 * is all ANSI requires. This requires a somewhat confusing rearrangement. 44 */ 45 46 typedef struct { 47 unsigned id :16; /* query identification number */ 48 #if BYTE_ORDER == BIG_ENDIAN 49 /* fields in third byte */ 50 unsigned qr: 1; /* response flag */ 51 unsigned opcode: 4; /* purpose of message */ 52 unsigned aa: 1; /* authoritive answer */ 53 unsigned tc: 1; /* truncated message */ 54 unsigned rd: 1; /* recursion desired */ 55 /* fields in fourth byte */ 56 unsigned ra: 1; /* recursion available */ 57 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ 58 unsigned ad: 1; /* authentic data from named */ 59 unsigned cd: 1; /* checking disabled by resolver */ 60 unsigned rcode :4; /* response code */ 61 #endif 62 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN 63 /* fields in third byte */ 64 unsigned rd :1; /* recursion desired */ 65 unsigned tc :1; /* truncated message */ 66 unsigned aa :1; /* authoritive answer */ 67 unsigned opcode :4; /* purpose of message */ 68 unsigned qr :1; /* response flag */ 69 /* fields in fourth byte */ 70 unsigned rcode :4; /* response code */ 71 unsigned cd: 1; /* checking disabled by resolver */ 72 unsigned ad: 1; /* authentic data from named */ 73 unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ 74 unsigned ra :1; /* recursion available */ 75 #endif 76 /* remaining bytes */ 77 unsigned qdcount :16; /* number of question entries */ 78 unsigned ancount :16; /* number of answer entries */ 79 unsigned nscount :16; /* number of authority entries */ 80 unsigned arcount :16; /* number of resource entries */ 81 } HEADER; 82 83 #define PACKETSZ NS_PACKETSZ 84 #define MAXDNAME NS_MAXDNAME 85 #define MAXCDNAME NS_MAXCDNAME 86 #define MAXLABEL NS_MAXLABEL 87 #define HFIXEDSZ NS_HFIXEDSZ 88 #define QFIXEDSZ NS_QFIXEDSZ 89 #define RRFIXEDSZ NS_RRFIXEDSZ 90 #define INT32SZ NS_INT32SZ 91 #define INT16SZ NS_INT16SZ 92 #define INADDRSZ NS_INADDRSZ 93 #define IN6ADDRSZ NS_IN6ADDRSZ 94 #define INDIR_MASK NS_CMPRSFLGS 95 #define NAMESERVER_PORT NS_DEFAULTPORT 96 97 #define S_ZONE ns_s_zn 98 #define S_PREREQ ns_s_pr 99 #define S_UPDATE ns_s_ud 100 #define S_ADDT ns_s_ar 101 102 #define QUERY ns_o_query 103 #define IQUERY ns_o_iquery 104 #define STATUS ns_o_status 105 #define NS_NOTIFY_OP ns_o_notify 106 #define NS_UPDATE_OP ns_o_update 107 108 #define NOERROR ns_r_noerror 109 #define FORMERR ns_r_formerr 110 #define SERVFAIL ns_r_servfail 111 #define NXDOMAIN ns_r_nxdomain 112 #define NOTIMP ns_r_notimpl 113 #define REFUSED ns_r_refused 114 #define YXDOMAIN ns_r_yxdomain 115 #define YXRRSET ns_r_yxrrset 116 #define NXRRSET ns_r_nxrrset 117 #define NOTAUTH ns_r_notauth 118 #define NOTZONE ns_r_notzone 119 /*#define BADSIG ns_r_badsig*/ 120 /*#define BADKEY ns_r_badkey*/ 121 /*#define BADTIME ns_r_badtime*/ 122 123 124 #define DELETE ns_uop_delete 125 #define ADD ns_uop_add 126 127 #define T_A ns_t_a 128 #define T_NS ns_t_ns 129 #define T_MD ns_t_md 130 #define T_MF ns_t_mf 131 #define T_CNAME ns_t_cname 132 #define T_SOA ns_t_soa 133 #define T_MB ns_t_mb 134 #define T_MG ns_t_mg 135 #define T_MR ns_t_mr 136 #define T_NULL ns_t_null 137 #define T_WKS ns_t_wks 138 #define T_PTR ns_t_ptr 139 #define T_HINFO ns_t_hinfo 140 #define T_MINFO ns_t_minfo 141 #define T_MX ns_t_mx 142 #define T_TXT ns_t_txt 143 #define T_RP ns_t_rp 144 #define T_AFSDB ns_t_afsdb 145 #define T_X25 ns_t_x25 146 #define T_ISDN ns_t_isdn 147 #define T_RT ns_t_rt 148 #define T_NSAP ns_t_nsap 149 #define T_NSAP_PTR ns_t_nsap_ptr 150 #define T_SIG ns_t_sig 151 #define T_KEY ns_t_key 152 #define T_PX ns_t_px 153 #define T_GPOS ns_t_gpos 154 #define T_AAAA ns_t_aaaa 155 #define T_LOC ns_t_loc 156 #define T_NXT ns_t_nxt 157 #define T_EID ns_t_eid 158 #define T_NIMLOC ns_t_nimloc 159 #define T_SRV ns_t_srv 160 #define T_ATMA ns_t_atma 161 #define T_NAPTR ns_t_naptr 162 #define T_TSIG ns_t_tsig 163 #define T_IXFR ns_t_ixfr 164 #define T_AXFR ns_t_axfr 165 #define T_MAILB ns_t_mailb 166 #define T_MAILA ns_t_maila 167 #define T_ANY ns_t_any 168 169 #define C_IN ns_c_in 170 #define C_CHAOS ns_c_chaos 171 #define C_HS ns_c_hs 172 /* BIND_UPDATE */ 173 #define C_NONE ns_c_none 174 #define C_ANY ns_c_any 175 176 #define GETSHORT NS_GET16 177 #define GETLONG NS_GET32 178 #define PUTSHORT NS_PUT16 179 #define PUTLONG NS_PUT32 180 181 #endif /* _ARPA_NAMESER_COMPAT_ */ 182