| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-3-Clause |
| 3 | * |
| 4 | * Copyright (c) 1983, 1989 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | /*% |
| 33 | * from nameser.h	8.1 (Berkeley) 6/2/93 |
| 34 | *	$Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp $ |
| 35 | */ |
| 36 | |
| 37 | #ifndef _ARPA_NAMESER_COMPAT_ |
| 38 | #define	_ARPA_NAMESER_COMPAT_ |
| 39 | |
| 40 | #define	__BIND		19950621	/*%< (DEAD) interface version stamp. */ |
| 41 | |
| 42 | #include <machine/endian.h> |
| 43 | |
| 44 | #if !defined(_BYTE_ORDER) || \ |
| 45 | (_BYTE_ORDER != _BIG_ENDIAN && _BYTE_ORDER != _LITTLE_ENDIAN && \ |
| 46 | _BYTE_ORDER != _PDP_ENDIAN) |
| 47 | 	/* you must determine what the correct bit order is for |
| 48 | 	 * your compiler - the next line is an intentional error |
| 49 | 	 * which will force your compiles to bomb until you fix |
| 50 | 	 * the above macros. |
| 51 | 	 */ |
| 52 | #error "Undefined or invalid _BYTE_ORDER"; |
| 53 | #endif |
| 54 | |
| 55 | /*% |
| 56 | * Structure for query header. The order of the fields is machine- and |
| 57 | * compiler-dependent, depending on the byte/bit order and the layout |
| 58 | * of bit fields. We use bit fields only in int variables, as this |
| 59 | * is all ANSI requires. This requires a somewhat confusing rearrangement. |
| 60 | */ |
| 61 | |
| 62 | typedef struct { |
| 63 | 	unsigned	id :16;		/*%< query identification number */ |
| 64 | #if _BYTE_ORDER == _BIG_ENDIAN |
| 65 | 			/* fields in third byte */ |
| 66 | 	unsigned	qr: 1;		/*%< response flag */ |
| 67 | 	unsigned	opcode: 4;	/*%< purpose of message */ |
| 68 | 	unsigned	aa: 1;		/*%< authoritative answer */ |
| 69 | 	unsigned	tc: 1;		/*%< truncated message */ |
| 70 | 	unsigned	rd: 1;		/*%< recursion desired */ |
| 71 | 			/* fields in fourth byte */ |
| 72 | 	unsigned	ra: 1;		/*%< recursion available */ |
| 73 | 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */ |
| 74 | 	unsigned	ad: 1;		/*%< authentic data from named */ |
| 75 | 	unsigned	cd: 1;		/*%< checking disabled by resolver */ |
| 76 | 	unsigned	rcode :4;	/*%< response code */ |
| 77 | #endif |
| 78 | #if _BYTE_ORDER == _LITTLE_ENDIAN || _BYTE_ORDER == _PDP_ENDIAN |
| 79 | 			/* fields in third byte */ |
| 80 | 	unsigned	rd :1;		/*%< recursion desired */ |
| 81 | 	unsigned	tc :1;		/*%< truncated message */ |
| 82 | 	unsigned	aa :1;		/*%< authoritative answer */ |
| 83 | 	unsigned	opcode :4;	/*%< purpose of message */ |
| 84 | 	unsigned	qr :1;		/*%< response flag */ |
| 85 | 			/* fields in fourth byte */ |
| 86 | 	unsigned	rcode :4;	/*%< response code */ |
| 87 | 	unsigned	cd: 1;		/*%< checking disabled by resolver */ |
| 88 | 	unsigned	ad: 1;		/*%< authentic data from named */ |
| 89 | 	unsigned	unused :1;	/*%< unused bits (MBZ as of 4.9.3a3) */ |
| 90 | 	unsigned	ra :1;		/*%< recursion available */ |
| 91 | #endif |
| 92 | 			/* remaining bytes */ |
| 93 | 	unsigned	qdcount :16;	/*%< number of question entries */ |
| 94 | 	unsigned	ancount :16;	/*%< number of answer entries */ |
| 95 | 	unsigned	nscount :16;	/*%< number of authority entries */ |
| 96 | 	unsigned	arcount :16;	/*%< number of resource entries */ |
| 97 | } HEADER; |
| 98 | |
| 99 | #define PACKETSZ	NS_PACKETSZ |
| 100 | #define MAXDNAME	NS_MAXDNAME |
| 101 | #define MAXCDNAME	NS_MAXCDNAME |
| 102 | #define MAXLABEL	NS_MAXLABEL |
| 103 | #define	HFIXEDSZ	NS_HFIXEDSZ |
| 104 | #define QFIXEDSZ	NS_QFIXEDSZ |
| 105 | #define RRFIXEDSZ	NS_RRFIXEDSZ |
| 106 | #define	INT32SZ		NS_INT32SZ |
| 107 | #define	INT16SZ		NS_INT16SZ |
| 108 | #define	INT8SZ		NS_INT8SZ |
| 109 | #define	INADDRSZ	NS_INADDRSZ |
| 110 | #define	IN6ADDRSZ	NS_IN6ADDRSZ |
| 111 | #define	INDIR_MASK	NS_CMPRSFLGS |
| 112 | #define NAMESERVER_PORT	NS_DEFAULTPORT |
| 113 | |
| 114 | #define S_ZONE		ns_s_zn |
| 115 | #define S_PREREQ	ns_s_pr |
| 116 | #define S_UPDATE	ns_s_ud |
| 117 | #define S_ADDT		ns_s_ar |
| 118 | |
| 119 | #define QUERY		ns_o_query |
| 120 | #define IQUERY		ns_o_iquery |
| 121 | #define STATUS		ns_o_status |
| 122 | #define	NS_NOTIFY_OP	ns_o_notify |
| 123 | #define	NS_UPDATE_OP	ns_o_update |
| 124 | |
| 125 | #define NOERROR		ns_r_noerror |
| 126 | #define FORMERR		ns_r_formerr |
| 127 | #define SERVFAIL	ns_r_servfail |
| 128 | #define NXDOMAIN	ns_r_nxdomain |
| 129 | #define NOTIMP		ns_r_notimpl |
| 130 | #define REFUSED		ns_r_refused |
| 131 | #define YXDOMAIN	ns_r_yxdomain |
| 132 | #define YXRRSET		ns_r_yxrrset |
| 133 | #define NXRRSET		ns_r_nxrrset |
| 134 | #define NOTAUTH		ns_r_notauth |
| 135 | #define NOTZONE		ns_r_notzone |
| 136 | /*#define BADSIG		ns_r_badsig*/ |
| 137 | /*#define BADKEY		ns_r_badkey*/ |
| 138 | /*#define BADTIME		ns_r_badtime*/ |
| 139 | |
| 140 | |
| 141 | #define DELETE		ns_uop_delete |
| 142 | #define ADD		ns_uop_add |
| 143 | |
| 144 | #define T_A		ns_t_a |
| 145 | #define T_NS		ns_t_ns |
| 146 | #define T_MD		ns_t_md |
| 147 | #define T_MF		ns_t_mf |
| 148 | #define T_CNAME		ns_t_cname |
| 149 | #define T_SOA		ns_t_soa |
| 150 | #define T_MB		ns_t_mb |
| 151 | #define T_MG		ns_t_mg |
| 152 | #define T_MR		ns_t_mr |
| 153 | #define T_NULL		ns_t_null |
| 154 | #define T_WKS		ns_t_wks |
| 155 | #define T_PTR		ns_t_ptr |
| 156 | #define T_HINFO		ns_t_hinfo |
| 157 | #define T_MINFO		ns_t_minfo |
| 158 | #define T_MX		ns_t_mx |
| 159 | #define T_TXT		ns_t_txt |
| 160 | #define	T_RP		ns_t_rp |
| 161 | #define T_AFSDB		ns_t_afsdb |
| 162 | #define T_X25		ns_t_x25 |
| 163 | #define T_ISDN		ns_t_isdn |
| 164 | #define T_RT		ns_t_rt |
| 165 | #define T_NSAP		ns_t_nsap |
| 166 | #define T_NSAP_PTR	ns_t_nsap_ptr |
| 167 | #define	T_SIG		ns_t_sig |
| 168 | #define	T_KEY		ns_t_key |
| 169 | #define	T_PX		ns_t_px |
| 170 | #define	T_GPOS		ns_t_gpos |
| 171 | #define	T_AAAA		ns_t_aaaa |
| 172 | #define	T_LOC		ns_t_loc |
| 173 | #define	T_NXT		ns_t_nxt |
| 174 | #define	T_EID		ns_t_eid |
| 175 | #define	T_NIMLOC	ns_t_nimloc |
| 176 | #define	T_SRV		ns_t_srv |
| 177 | #define T_ATMA		ns_t_atma |
| 178 | #define T_NAPTR		ns_t_naptr |
| 179 | #define T_KX		ns_t_kx |
| 180 | #define T_CERT		ns_t_cert |
| 181 | #define T_A6		ns_t_a6 |
| 182 | #define T_DNAME		ns_t_dname |
| 183 | #define T_SINK		ns_t_sink |
| 184 | #define T_OPT		ns_t_opt |
| 185 | #define T_APL		ns_t_apl |
| 186 | #define T_DS		ns_t_ds |
| 187 | #define T_SSHFP		ns_t_sshfp |
| 188 | #define T_IPSECKEY	ns_t_ipseckey |
| 189 | #define T_RRSIG		ns_t_rrsig |
| 190 | #define T_NSEC		ns_t_nsec |
| 191 | #define T_DNSKEY	ns_t_dnskey |
| 192 | #define T_DHCID		ns_t_dhcid |
| 193 | #define T_NSEC3		ns_t_nsec3 |
| 194 | #define T_NSEC3PARAM	ns_t_nsec3param |
| 195 | #define T_HIP		ns_t_hip |
| 196 | #define T_SPF		ns_t_spf |
| 197 | #define T_TKEY		ns_t_tkey |
| 198 | #define	T_TSIG		ns_t_tsig |
| 199 | #define	T_IXFR		ns_t_ixfr |
| 200 | #define T_AXFR		ns_t_axfr |
| 201 | #define T_MAILB		ns_t_mailb |
| 202 | #define T_MAILA		ns_t_maila |
| 203 | #define T_ANY		ns_t_any |
| 204 | #define T_ZXFR		ns_t_zxfr |
| 205 | #define T_DLV		ns_t_dlv |
| 206 | |
| 207 | #define C_IN		ns_c_in |
| 208 | #define C_CHAOS		ns_c_chaos |
| 209 | #define C_HS		ns_c_hs |
| 210 | /* BIND_UPDATE */ |
| 211 | #define C_NONE		ns_c_none |
| 212 | #define C_ANY		ns_c_any |
| 213 | |
| 214 | #define	GETSHORT		NS_GET16 |
| 215 | #define	GETLONG			NS_GET32 |
| 216 | #define	PUTSHORT		NS_PUT16 |
| 217 | #define	PUTLONG			NS_PUT32 |
| 218 | |
| 219 | #endif /* _ARPA_NAMESER_COMPAT_ */ |
| 220 | /*! \file */ |