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/* $NetBSD: nameser.h,v 1.25 2009/04/12 17:07:34 christos Exp $ */
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/*
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* Portions Copyright (C) 2004, 2005, 2008, 2009 Internet Systems Consortium, Inc. ("ISC")
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* Portions Copyright (C) 1996-2003 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Copyright (c) 1983, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Id: nameser.h,v 1.16 2009/03/03 01:52:48 each Exp
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*/
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#ifndef _ARPA_NAMESER_H_
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#define _ARPA_NAMESER_H_
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#define BIND_4_COMPAT
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#include <sys/param.h> |
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#if (!defined(BSD)) || (BSD < 199306) |
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# include <sys/bitypes.h> |
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#else
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# include <sys/types.h> |
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#endif
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#include <sys/cdefs.h> |
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/*%
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* Revision information. This is the release date in YYYYMMDD format.
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* It can change every day so the right thing to do with it is use it
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* in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not
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* compare for equality; rather, use it to determine whether your libbind.a
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* contains a new enough lib/nameser/ to support the feature you need.
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*/
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#define __NAMESER 20090302 /*%< New interface version stamp. */ |
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/*
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* Define constants based on RFC0883, RFC1034, RFC 1035
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*/
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#define NS_PACKETSZ 512 /*%< default UDP packet size */ |
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#define NS_MAXDNAME 1025 /*%< maximum domain name (presentation format)*/ |
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#define NS_MAXMSG 65535 /*%< maximum message size */ |
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#define NS_MAXCDNAME 255 /*%< maximum compressed domain name */ |
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#define NS_MAXLABEL 63 /*%< maximum length of domain label */ |
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#define NS_MAXLABELS 128 /*%< theoretical max #/labels per domain name */ |
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#define NS_MAXNNAME 256 /*%< maximum uncompressed (binary) domain name*/ |
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#define NS_MAXPADDR (sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff") |
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#define NS_HFIXEDSZ 12 /*%< #/bytes of fixed data in header */ |
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#define NS_QFIXEDSZ 4 /*%< #/bytes of fixed data in query */ |
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#define NS_RRFIXEDSZ 10 /*%< #/bytes of fixed data in r record */ |
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#define NS_INT32SZ 4 /*%< #/bytes of data in a uint32_t */ |
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#define NS_INT16SZ 2 /*%< #/bytes of data in a uint16_t */ |
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#define NS_INT8SZ 1 /*%< #/bytes of data in a u_int8_t */ |
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#define NS_INADDRSZ 4 /*%< IPv4 T_A */ |
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#define NS_IN6ADDRSZ 16 /*%< IPv6 T_AAAA */ |
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#define NS_CMPRSFLGS 0xc0 /*%< Flag bits indicating name compression. */ |
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#define NS_DEFAULTPORT 53 /*%< For both TCP and UDP. */ |
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/*
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* These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord()
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* in synch with it.
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*/
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typedef enum __ns_sect { |
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ns_s_qd = 0, /*%< Query: Question. */ |
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ns_s_zn = 0, /*%< Update: Zone. */ |
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ns_s_an = 1, /*%< Query: Answer. */ |
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ns_s_pr = 1, /*%< Update: Prerequisites. */ |
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ns_s_ns = 2, /*%< Query: Name servers. */ |
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ns_s_ud = 2, /*%< Update: Update. */ |
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ns_s_ar = 3, /*%< Query|Update: Additional records. */ |
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ns_s_max = 4
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} ns_sect; |
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/*%
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* Network name (compressed or not) type. Equivilent to a pointer when used
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* in a function prototype. Can be const'd.
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*/
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typedef u_char ns_nname[NS_MAXNNAME];
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typedef const u_char *ns_nname_ct; |
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typedef u_char *ns_nname_t;
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struct ns_namemap { ns_nname_ct base; int len; }; |
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typedef struct ns_namemap *ns_namemap_t; |
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typedef const struct ns_namemap *ns_namemap_ct; |
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/*%
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* This is a message handle. It is caller allocated and has no dynamic data.
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* This structure is intended to be opaque to all but ns_parse.c, thus the
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* leading _'s on the member names. Use the accessor functions, not the _'s.
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*/
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typedef struct __ns_msg { |
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const u_char *_msg, *_eom;
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uint16_t _id, _flags, _counts[ns_s_max]; |
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const u_char *_sections[ns_s_max];
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ns_sect _sect; |
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int _rrnum;
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const u_char *_msg_ptr;
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} ns_msg; |
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/*
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* This is a newmsg handle, used when constructing new messages with
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* ns_newmsg_init, et al.
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*/
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struct ns_newmsg {
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ns_msg msg; |
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const u_char *dnptrs[25]; |
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const u_char **lastdnptr;
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}; |
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typedef struct ns_newmsg ns_newmsg; |
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/* Private data structure - do not use from outside library. */
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struct _ns_flagdata { int mask, shift; }; |
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extern struct _ns_flagdata _ns_flagdata[]; |
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/* Accessor macros - this is part of the public interface. */
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#define ns_msg_id(handle) ((handle)._id + 0) |
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#define ns_msg_base(handle) ((handle)._msg + 0) |
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#define ns_msg_end(handle) ((handle)._eom + 0) |
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#define ns_msg_size(handle) ((size_t)((handle)._eom - (handle)._msg))
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#define ns_msg_count(handle, section) ((handle)._counts[section] + 0) |
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/*%
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* This is a parsed record. It is caller allocated and has no dynamic data.
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*/
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typedef struct __ns_rr { |
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char name[NS_MAXDNAME];
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uint16_t type; |
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uint16_t rr_class; |
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uint32_t ttl; |
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uint16_t rdlength; |
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const u_char * rdata;
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} ns_rr; |
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/*
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* Same thing, but using uncompressed network binary names, and real C types.
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*/
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typedef struct __ns_rr2 { |
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ns_nname nname; |
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size_t nnamel; |
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int type;
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int rr_class;
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u_int ttl; |
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int rdlength;
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const u_char * rdata;
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} ns_rr2; |
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/* Accessor macros - this is part of the public interface. */
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#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") |
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#define ns_rr_nname(rr) ((const ns_nname_t)(rr).nname) |
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#define ns_rr_nnamel(rr) ((rr).nnamel + 0) |
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#define ns_rr_type(rr) ((ns_type)((rr).type + 0)) |
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#define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) |
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#define ns_rr_ttl(rr) ((u_long)(rr).ttl + 0) |
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#define ns_rr_rdlen(rr) ((size_t)(rr).rdlength + 0) |
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#define ns_rr_rdata(rr) ((rr).rdata + 0) |
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/*%
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* These don't have to be in the same order as in the packet flags word,
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* and they can even overlap in some cases, but they will need to be kept
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* in synch with ns_parse.c:ns_flagdata[].
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*/
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typedef enum __ns_flag { |
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ns_f_qr, /*%< Question/Response. */
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ns_f_opcode, /*%< Operation code. */
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ns_f_aa, /*%< Authoritative Answer. */
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ns_f_tc, /*%< Truncation occurred. */
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ns_f_rd, /*%< Recursion Desired. */
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ns_f_ra, /*%< Recursion Available. */
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ns_f_z, /*%< MBZ. */
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ns_f_ad, /*%< Authentic Data (DNSSEC). */
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ns_f_cd, /*%< Checking Disabled (DNSSEC). */
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ns_f_rcode, /*%< Response code. */
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ns_f_max |
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} ns_flag; |
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/*%
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* Currently defined opcodes.
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*/
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typedef enum __ns_opcode { |
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ns_o_query = 0, /*%< Standard query. */ |
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ns_o_iquery = 1, /*%< Inverse query (deprecated/unsupported). */ |
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ns_o_status = 2, /*%< Name server status query (unsupported). */ |
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/* Opcode 3 is undefined/reserved. */
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ns_o_notify = 4, /*%< Zone change notification. */ |
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ns_o_update = 5, /*%< Zone update message. */ |
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ns_o_max = 6
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} ns_opcode; |
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/*%
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* Currently defined response codes.
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*/
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typedef enum __ns_rcode { |
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ns_r_noerror = 0, /*%< No error occurred. */ |
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ns_r_formerr = 1, /*%< Format error. */ |
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ns_r_servfail = 2, /*%< Server failure. */ |
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ns_r_nxdomain = 3, /*%< Name error. */ |
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ns_r_notimpl = 4, /*%< Unimplemented. */ |
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ns_r_refused = 5, /*%< Operation refused. */ |
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/* these are for BIND_UPDATE */
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ns_r_yxdomain = 6, /*%< Name exists */ |
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ns_r_yxrrset = 7, /*%< RRset exists */ |
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ns_r_nxrrset = 8, /*%< RRset does not exist */ |
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ns_r_notauth = 9, /*%< Not authoritative for zone */ |
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ns_r_notzone = 10, /*%< Zone of record different from zone section */ |
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ns_r_max = 11,
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/* The following are EDNS extended rcodes */
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ns_r_badvers = 16,
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/* The following are TSIG errors */
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ns_r_badsig = 16,
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ns_r_badkey = 17,
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ns_r_badtime = 18
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} ns_rcode; |
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/* BIND_UPDATE */
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typedef enum __ns_update_operation { |
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ns_uop_delete = 0,
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ns_uop_add = 1,
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ns_uop_max = 2
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} ns_update_operation; |
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/*%
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* This structure is used for TSIG authenticated messages
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*/
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struct ns_tsig_key {
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char name[NS_MAXDNAME], alg[NS_MAXDNAME];
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unsigned char *data; |
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int len;
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}; |
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typedef struct ns_tsig_key ns_tsig_key; |
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/*%
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* This structure is used for TSIG authenticated TCP messages
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*/
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struct ns_tcp_tsig_state {
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int counter;
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struct dst_key *key;
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void *ctx;
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unsigned char sig[NS_PACKETSZ]; |
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int siglen;
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}; |
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typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; |
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#define NS_TSIG_FUDGE 300 |
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#define NS_TSIG_TCP_COUNT 100 |
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#define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" |
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#define NS_TSIG_ERROR_NO_TSIG -10 |
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#define NS_TSIG_ERROR_NO_SPACE -11 |
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#define NS_TSIG_ERROR_FORMERR -12 |
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/*%
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* Currently defined type values for resources and queries.
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*/
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typedef enum __ns_type { |
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ns_t_invalid = 0, /*%< Cookie. */ |
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ns_t_a = 1, /*%< Host address. */ |
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ns_t_ns = 2, /*%< Authoritative server. */ |
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ns_t_md = 3, /*%< Mail destination. */ |
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ns_t_mf = 4, /*%< Mail forwarder. */ |
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ns_t_cname = 5, /*%< Canonical name. */ |
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ns_t_soa = 6, /*%< Start of authority zone. */ |
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ns_t_mb = 7, /*%< Mailbox domain name. */ |
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ns_t_mg = 8, /*%< Mail group member. */ |
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ns_t_mr = 9, /*%< Mail rename name. */ |
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ns_t_null = 10, /*%< Null resource record. */ |
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ns_t_wks = 11, /*%< Well known service. */ |
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ns_t_ptr = 12, /*%< Domain name pointer. */ |
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ns_t_hinfo = 13, /*%< Host information. */ |
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ns_t_minfo = 14, /*%< Mailbox information. */ |
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ns_t_mx = 15, /*%< Mail routing information. */ |
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ns_t_txt = 16, /*%< Text strings. */ |
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ns_t_rp = 17, /*%< Responsible person. */ |
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ns_t_afsdb = 18, /*%< AFS cell database. */ |
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ns_t_x25 = 19, /*%< X_25 calling address. */ |
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ns_t_isdn = 20, /*%< ISDN calling address. */ |
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ns_t_rt = 21, /*%< Router. */ |
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ns_t_nsap = 22, /*%< NSAP address. */ |
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ns_t_nsap_ptr = 23, /*%< Reverse NSAP lookup (deprecated). */ |
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ns_t_sig = 24, /*%< Security signature. */ |
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ns_t_key = 25, /*%< Security key. */ |
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ns_t_px = 26, /*%< X.400 mail mapping. */ |
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ns_t_gpos = 27, /*%< Geographical position (withdrawn). */ |
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ns_t_aaaa = 28, /*%< IPv6 Address. */ |
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ns_t_loc = 29, /*%< Location Information. */ |
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ns_t_nxt = 30, /*%< Next domain (security). */ |
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ns_t_eid = 31, /*%< Endpoint identifier. */ |
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ns_t_nimloc = 32, /*%< Nimrod Locator. */ |
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ns_t_srv = 33, /*%< Server Selection. */ |
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ns_t_atma = 34, /*%< ATM Address */ |
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ns_t_naptr = 35, /*%< Naming Authority PoinTeR */ |
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ns_t_kx = 36, /*%< Key Exchange */ |
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ns_t_cert = 37, /*%< Certification record */ |
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ns_t_a6 = 38, /*%< IPv6 address (experimental) */ |
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ns_t_dname = 39, /*%< Non-terminal DNAME */ |
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ns_t_sink = 40, /*%< Kitchen sink (experimentatl) */ |
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ns_t_opt = 41, /*%< EDNS0 option (meta-RR) */ |
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ns_t_apl = 42, /*%< Address prefix list (RFC3123) */ |
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ns_t_ds = 43, /*%< Delegation Signer */ |
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ns_t_sshfp = 44, /*%< SSH Fingerprint */ |
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ns_t_ipseckey = 45, /*%< IPSEC Key */ |
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ns_t_rrsig = 46, /*%< RRset Signature */ |
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ns_t_nsec = 47, /*%< Negative security */ |
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ns_t_dnskey = 48, /*%< DNS Key */ |
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ns_t_dhcid = 49, /*%< Dynamic host configuratin identifier */ |
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ns_t_nsec3 = 50, /*%< Negative security type 3 */ |
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ns_t_nsec3param = 51, /*%< Negative security type 3 parameters */ |
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ns_t_hip = 55, /*%< Host Identity Protocol */ |
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ns_t_spf = 99, /*%< Sender Policy Framework */ |
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ns_t_tkey = 249, /*%< Transaction key */ |
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ns_t_tsig = 250, /*%< Transaction signature. */ |
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ns_t_ixfr = 251, /*%< Incremental zone transfer. */ |
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ns_t_axfr = 252, /*%< Transfer zone of authority. */ |
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ns_t_mailb = 253, /*%< Transfer mailbox records. */ |
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ns_t_maila = 254, /*%< Transfer mail agent records. */ |
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ns_t_any = 255, /*%< Wildcard match. */ |
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ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */ |
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ns_t_dlv = 32769, /*%< DNSSEC look-aside validatation. */ |
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ns_t_max = 65536
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} ns_type; |
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/* Exclusively a QTYPE? (not also an RTYPE) */
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#define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
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(t) == ns_t_mailb || (t) == ns_t_maila) |
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/* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */
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#define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
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/* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */
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#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
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#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
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#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
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(t) == ns_t_zxfr) |
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/*%
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* Values for class field
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*/
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typedef enum __ns_class { |
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ns_c_invalid = 0, /*%< Cookie. */ |
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ns_c_in = 1, /*%< Internet. */ |
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ns_c_2 = 2, /*%< unallocated/unsupported. */ |
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ns_c_chaos = 3, /*%< MIT Chaos-net. */ |
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ns_c_hs = 4, /*%< MIT Hesiod. */ |
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/* Query class values which do not appear in resource records */
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ns_c_none = 254, /*%< for prereq. sections in update requests */ |
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ns_c_any = 255, /*%< Wildcard match. */ |
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ns_c_max = 65536
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} ns_class; |
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|
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/* DNSSEC constants. */
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typedef enum __ns_key_types { |
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ns_kt_rsa = 1, /*%< key type RSA/MD5 */ |
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ns_kt_dh = 2, /*%< Diffie Hellman */ |
| 391 |
ns_kt_dsa = 3, /*%< Digital Signature Standard (MANDATORY) */ |
| 392 |
ns_kt_private = 254 /*%< Private key type starts with OID */ |
| 393 |
} ns_key_types; |
| 394 |
|
| 395 |
typedef enum __ns_cert_types { |
| 396 |
cert_t_pkix = 1, /*%< PKIX (X.509v3) */ |
| 397 |
cert_t_spki = 2, /*%< SPKI */ |
| 398 |
cert_t_pgp = 3, /*%< PGP */ |
| 399 |
cert_t_url = 253, /*%< URL private type */ |
| 400 |
cert_t_oid = 254 /*%< OID private type */ |
| 401 |
} ns_cert_types; |
| 402 |
|
| 403 |
/* Flags field of the KEY RR rdata. */
|
| 404 |
#define NS_KEY_TYPEMASK 0xC000 /*%< Mask for "type" bits */ |
| 405 |
#define NS_KEY_TYPE_AUTH_CONF 0x0000 /*%< Key usable for both */ |
| 406 |
#define NS_KEY_TYPE_CONF_ONLY 0x8000 /*%< Key usable for confidentiality */ |
| 407 |
#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /*%< Key usable for authentication */ |
| 408 |
#define NS_KEY_TYPE_NO_KEY 0xC000 /*%< No key usable for either; no key */ |
| 409 |
/* The type bits can also be interpreted independently, as single bits: */
|
| 410 |
#define NS_KEY_NO_AUTH 0x8000 /*%< Key unusable for authentication */ |
| 411 |
#define NS_KEY_NO_CONF 0x4000 /*%< Key unusable for confidentiality */ |
| 412 |
#define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ |
| 413 |
#define NS_KEY_EXTENDED_FLAGS 0x1000 /*%< reserved - must be zero */ |
| 414 |
#define NS_KEY_RESERVED4 0x0800 /*%< reserved - must be zero */ |
| 415 |
#define NS_KEY_RESERVED5 0x0400 /*%< reserved - must be zero */ |
| 416 |
#define NS_KEY_NAME_TYPE 0x0300 /*%< these bits determine the type */ |
| 417 |
#define NS_KEY_NAME_USER 0x0000 /*%< key is assoc. with user */ |
| 418 |
#define NS_KEY_NAME_ENTITY 0x0200 /*%< key is assoc. with entity eg host */ |
| 419 |
#define NS_KEY_NAME_ZONE 0x0100 /*%< key is zone key */ |
| 420 |
#define NS_KEY_NAME_RESERVED 0x0300 /*%< reserved meaning */ |
| 421 |
#define NS_KEY_RESERVED8 0x0080 /*%< reserved - must be zero */ |
| 422 |
#define NS_KEY_RESERVED9 0x0040 /*%< reserved - must be zero */ |
| 423 |
#define NS_KEY_RESERVED10 0x0020 /*%< reserved - must be zero */ |
| 424 |
#define NS_KEY_RESERVED11 0x0010 /*%< reserved - must be zero */ |
| 425 |
#define NS_KEY_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */ |
| 426 |
#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \
|
| 427 |
NS_KEY_RESERVED4 | \ |
| 428 |
NS_KEY_RESERVED5 | \ |
| 429 |
NS_KEY_RESERVED8 | \ |
| 430 |
NS_KEY_RESERVED9 | \ |
| 431 |
NS_KEY_RESERVED10 | \ |
| 432 |
NS_KEY_RESERVED11 ) |
| 433 |
#define NS_KEY_RESERVED_BITMASK2 0xFFFF /*%< no bits defined here */ |
| 434 |
|
| 435 |
/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
|
| 436 |
#define NS_ALG_MD5RSA 1 /*%< MD5 with RSA */ |
| 437 |
#define NS_ALG_DH 2 /*%< Diffie Hellman KEY */ |
| 438 |
#define NS_ALG_DSA 3 /*%< DSA KEY */ |
| 439 |
#define NS_ALG_DSS NS_ALG_DSA
|
| 440 |
#define NS_ALG_EXPIRE_ONLY 253 /*%< No alg, no security */ |
| 441 |
#define NS_ALG_PRIVATE_OID 254 /*%< Key begins with OID giving alg */ |
| 442 |
|
| 443 |
/* Protocol values */
|
| 444 |
/* value 0 is reserved */
|
| 445 |
#define NS_KEY_PROT_TLS 1 |
| 446 |
#define NS_KEY_PROT_EMAIL 2 |
| 447 |
#define NS_KEY_PROT_DNSSEC 3 |
| 448 |
#define NS_KEY_PROT_IPSEC 4 |
| 449 |
#define NS_KEY_PROT_ANY 255 |
| 450 |
|
| 451 |
/* Signatures */
|
| 452 |
#define NS_MD5RSA_MIN_BITS 512 /*%< Size of a mod or exp in bits */ |
| 453 |
#define NS_MD5RSA_MAX_BITS 4096 |
| 454 |
/* Total of binary mod and exp */
|
| 455 |
#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) |
| 456 |
/* Max length of text sig block */
|
| 457 |
#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) |
| 458 |
#define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) |
| 459 |
#define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) |
| 460 |
|
| 461 |
#define NS_DSA_SIG_SIZE 41 |
| 462 |
#define NS_DSA_MIN_SIZE 213 |
| 463 |
#define NS_DSA_MAX_BYTES 405 |
| 464 |
|
| 465 |
/* Offsets into SIG record rdata to find various values */
|
| 466 |
#define NS_SIG_TYPE 0 /*%< Type flags */ |
| 467 |
#define NS_SIG_ALG 2 /*%< Algorithm */ |
| 468 |
#define NS_SIG_LABELS 3 /*%< How many labels in name */ |
| 469 |
#define NS_SIG_OTTL 4 /*%< Original TTL */ |
| 470 |
#define NS_SIG_EXPIR 8 /*%< Expiration time */ |
| 471 |
#define NS_SIG_SIGNED 12 /*%< Signature time */ |
| 472 |
#define NS_SIG_FOOT 16 /*%< Key footprint */ |
| 473 |
#define NS_SIG_SIGNER 18 /*%< Domain name of who signed it */ |
| 474 |
|
| 475 |
/* How RR types are represented as bit-flags in NXT records */
|
| 476 |
#define NS_NXT_BITS 8 |
| 477 |
#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) |
| 478 |
#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) |
| 479 |
#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) |
| 480 |
#define NS_NXT_MAX 127 |
| 481 |
|
| 482 |
/*%
|
| 483 |
* EDNS0 extended flags and option codes, host order.
|
| 484 |
*/
|
| 485 |
#define NS_OPT_DNSSEC_OK 0x8000U |
| 486 |
#define NS_OPT_NSID 3 |
| 487 |
|
| 488 |
/*%
|
| 489 |
* Inline versions of get/put short/long. Pointer is advanced.
|
| 490 |
*/
|
| 491 |
#define NS_GET16(s, cp) do { \ |
| 492 |
const u_char *t_cp = (const u_char *)(cp); \ |
| 493 |
(s) = ((uint16_t)t_cp[0] << 8) \ |
| 494 |
| ((uint16_t)t_cp[1]) \
|
| 495 |
; \ |
| 496 |
(cp) += NS_INT16SZ; \ |
| 497 |
} while (/*CONSTCOND*/0) |
| 498 |
|
| 499 |
#define NS_GET32(l, cp) do { \ |
| 500 |
const u_char *t_cp = (const u_char *)(cp); \ |
| 501 |
(l) = ((uint32_t)t_cp[0] << 24) \ |
| 502 |
| ((uint32_t)t_cp[1] << 16) \ |
| 503 |
| ((uint32_t)t_cp[2] << 8) \ |
| 504 |
| ((uint32_t)t_cp[3]) \
|
| 505 |
; \ |
| 506 |
(cp) += NS_INT32SZ; \ |
| 507 |
} while (/*CONSTCOND*/0) |
| 508 |
|
| 509 |
#define NS_PUT16(s, cp) do { \ |
| 510 |
uint32_t t_s = (uint32_t)(s); \ |
| 511 |
u_char *t_cp = (u_char *)(cp); \ |
| 512 |
*t_cp++ = t_s >> 8; \
|
| 513 |
*t_cp = t_s; \ |
| 514 |
(cp) += NS_INT16SZ; \ |
| 515 |
} while (/*CONSTCOND*/0) |
| 516 |
|
| 517 |
#define NS_PUT32(l, cp) do { \ |
| 518 |
uint32_t t_l = (uint32_t)(l); \ |
| 519 |
u_char *t_cp = (u_char *)(cp); \ |
| 520 |
*t_cp++ = t_l >> 24; \
|
| 521 |
*t_cp++ = t_l >> 16; \
|
| 522 |
*t_cp++ = t_l >> 8; \
|
| 523 |
*t_cp = t_l; \ |
| 524 |
(cp) += NS_INT32SZ; \ |
| 525 |
} while (/*CONSTCOND*/0) |
| 526 |
|
| 527 |
/*%
|
| 528 |
* ANSI C identifier hiding for bind's lib/nameser.
|
| 529 |
*/
|
| 530 |
#define ns_msg_getflag __ns_msg_getflag
|
| 531 |
#define ns_get16 __ns_get16
|
| 532 |
#define ns_get32 __ns_get32
|
| 533 |
#define ns_put16 __ns_put16
|
| 534 |
#define ns_put32 __ns_put32
|
| 535 |
#define ns_initparse __ns_initparse
|
| 536 |
#define ns_skiprr __ns_skiprr
|
| 537 |
#define ns_parserr __ns_parserr
|
| 538 |
#define ns_parserr2 __ns_parserr2
|
| 539 |
#define ns_sprintrr __ns_sprintrr
|
| 540 |
#define ns_sprintrrf __ns_sprintrrf
|
| 541 |
#define ns_format_ttl __ns_format_ttl
|
| 542 |
#define ns_parse_ttl __ns_parse_ttl
|
| 543 |
#define ns_datetosecs __ns_datetosecs
|
| 544 |
#define ns_name_ntol __ns_name_ntol
|
| 545 |
#define ns_name_ntop __ns_name_ntop
|
| 546 |
#define ns_name_pton __ns_name_pton
|
| 547 |
#define ns_name_pton2 __ns_name_pton2
|
| 548 |
#define ns_name_unpack __ns_name_unpack
|
| 549 |
#define ns_name_unpack2 __ns_name_unpack2
|
| 550 |
#define ns_name_pack __ns_name_pack
|
| 551 |
#define ns_name_compress __ns_name_compress
|
| 552 |
#define ns_name_uncompress __ns_name_uncompress
|
| 553 |
#define ns_name_skip __ns_name_skip
|
| 554 |
#define ns_name_rollback __ns_name_rollback
|
| 555 |
#define ns_name_length __ns_name_length
|
| 556 |
#define ns_name_eq __ns_name_eq
|
| 557 |
#define ns_name_owned __ns_name_owned
|
| 558 |
#define ns_name_map __ns_name_map
|
| 559 |
#define ns_name_labels __ns_name_labels
|
| 560 |
#define ns_sign __ns_sign
|
| 561 |
#define ns_sign2 __ns_sign2
|
| 562 |
#define ns_sign_tcp __ns_sign_tcp
|
| 563 |
#define ns_sign_tcp2 __ns_sign_tcp2
|
| 564 |
#define ns_sign_tcp_init __ns_sign_tcp_init
|
| 565 |
#define ns_find_tsig __ns_find_tsig
|
| 566 |
#define ns_verify __ns_verify
|
| 567 |
#define ns_verify_tcp __ns_verify_tcp
|
| 568 |
#define ns_verify_tcp_init __ns_verify_tcp_init
|
| 569 |
#define ns_samedomain __ns_samedomain
|
| 570 |
#define ns_subdomain __ns_subdomain
|
| 571 |
#define ns_makecanon __ns_makecanon
|
| 572 |
#define ns_samename __ns_samename
|
| 573 |
#define ns_newmsg_init __ns_newmsg_init
|
| 574 |
#define ns_newmsg_copy __ns_newmsg_copy
|
| 575 |
#define ns_newmsg_id __ns_newmsg_id
|
| 576 |
#define ns_newmsg_flag __ns_newmsg_flag
|
| 577 |
#define ns_newmsg_q __ns_newmsg_q
|
| 578 |
#define ns_newmsg_rr __ns_newmsg_rr
|
| 579 |
#define ns_newmsg_done __ns_newmsg_done
|
| 580 |
#define ns_rdata_unpack __ns_rdata_unpack
|
| 581 |
#define ns_rdata_equal __ns_rdata_equal
|
| 582 |
#define ns_rdata_refers __ns_rdata_refers
|
| 583 |
|
| 584 |
__BEGIN_DECLS |
| 585 |
int ns_msg_getflag(ns_msg, int); |
| 586 |
uint16_t ns_get16(const u_char *);
|
| 587 |
uint32_t ns_get32(const u_char *);
|
| 588 |
void ns_put16(uint16_t, u_char *);
|
| 589 |
void ns_put32(uint32_t, u_char *);
|
| 590 |
int ns_initparse(const u_char *, int, ns_msg *); |
| 591 |
int ns_skiprr(const u_char *, const u_char *, ns_sect, int); |
| 592 |
int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); |
| 593 |
int ns_parserr2(ns_msg *, ns_sect, int, ns_rr2 *); |
| 594 |
int ns_sprintrr(const ns_msg *, const ns_rr *, |
| 595 |
const char *, const char *, char *, size_t); |
| 596 |
int ns_sprintrrf(const u_char *, size_t, const char *, |
| 597 |
ns_class, ns_type, u_long, const u_char *,
|
| 598 |
size_t, const char *, const char *, |
| 599 |
char *, size_t);
|
| 600 |
int ns_format_ttl(u_long, char *, size_t); |
| 601 |
int ns_parse_ttl(const char *, u_long *); |
| 602 |
uint32_t ns_datetosecs(const char *cp, int *errp); |
| 603 |
int ns_name_ntol(const u_char *, u_char *, size_t); |
| 604 |
int ns_name_ntop(const u_char *, char *, size_t); |
| 605 |
int ns_name_pton(const char *, u_char *, size_t); |
| 606 |
int ns_name_pton2(const char *, u_char *, size_t, size_t *); |
| 607 |
int ns_name_unpack(const u_char *, const u_char *, |
| 608 |
const u_char *, u_char *, size_t);
|
| 609 |
int ns_name_unpack2(const u_char *, const u_char *, |
| 610 |
const u_char *, u_char *, size_t,
|
| 611 |
size_t *); |
| 612 |
int ns_name_pack(const u_char *, u_char *, int, |
| 613 |
const u_char **, const u_char **); |
| 614 |
int ns_name_uncompress(const u_char *, const u_char *, |
| 615 |
const u_char *, char *, size_t); |
| 616 |
int ns_name_compress(const char *, u_char *, size_t, |
| 617 |
const u_char **, const u_char **); |
| 618 |
int ns_name_skip(const u_char **, const u_char *); |
| 619 |
void ns_name_rollback(const u_char *, const u_char **, |
| 620 |
const u_char **);
|
| 621 |
#ifndef __LIBC12_SOURCE__
|
| 622 |
int ns_sign(u_char *, int *, int, int, void *, |
| 623 |
const u_char *, int, u_char *, int *, time_t) |
| 624 |
__RENAME(__ns_sign50); |
| 625 |
int ns_sign2(u_char *, int *, int, int, void *, |
| 626 |
const u_char *, int, u_char *, int *, time_t, |
| 627 |
u_char **, u_char **) |
| 628 |
__RENAME(__ns_sign250); |
| 629 |
#endif
|
| 630 |
ssize_t ns_name_length(ns_nname_ct, size_t); |
| 631 |
int ns_name_eq(ns_nname_ct, size_t, ns_nname_ct, size_t);
|
| 632 |
int ns_name_owned(ns_namemap_ct, int, ns_namemap_ct, int); |
| 633 |
int ns_name_map(ns_nname_ct, size_t, ns_namemap_t, int); |
| 634 |
int ns_name_labels(ns_nname_ct, size_t);
|
| 635 |
int ns_sign_tcp(u_char *, int *, int, int, |
| 636 |
ns_tcp_tsig_state *, int);
|
| 637 |
int ns_sign_tcp2(u_char *, int *, int, int, |
| 638 |
ns_tcp_tsig_state *, int,
|
| 639 |
u_char **, u_char **); |
| 640 |
int ns_sign_tcp_init(void *, const u_char *, int, |
| 641 |
ns_tcp_tsig_state *); |
| 642 |
u_char *ns_find_tsig(u_char *, u_char *); |
| 643 |
#ifndef __LIBC12_SOURCE__
|
| 644 |
int ns_verify(u_char *, int *, void *, |
| 645 |
const u_char *, int, u_char *, int *, |
| 646 |
time_t *, int)
|
| 647 |
__RENAME(__ns_verify50); |
| 648 |
#endif
|
| 649 |
int ns_verify_tcp(u_char *, int *, ns_tcp_tsig_state *, int); |
| 650 |
int ns_verify_tcp_init(void *, const u_char *, int, |
| 651 |
ns_tcp_tsig_state *); |
| 652 |
int ns_samedomain(const char *, const char *); |
| 653 |
int ns_subdomain(const char *, const char *); |
| 654 |
int ns_makecanon(const char *, char *, size_t); |
| 655 |
int ns_samename(const char *, const char *); |
| 656 |
int ns_newmsg_init(u_char *buffer, size_t bufsiz, ns_newmsg *);
|
| 657 |
int ns_newmsg_copy(ns_newmsg *, ns_msg *);
|
| 658 |
void ns_newmsg_id(ns_newmsg *handle, uint16_t id);
|
| 659 |
void ns_newmsg_flag(ns_newmsg *handle, ns_flag flag, u_int value);
|
| 660 |
int ns_newmsg_q(ns_newmsg *handle, ns_nname_ct qname,
|
| 661 |
ns_type qtype, ns_class qclass); |
| 662 |
int ns_newmsg_rr(ns_newmsg *handle, ns_sect sect,
|
| 663 |
ns_nname_ct name, ns_type type, |
| 664 |
ns_class rr_class, uint32_t ttl, |
| 665 |
uint16_t rdlen, const u_char *rdata);
|
| 666 |
size_t ns_newmsg_done(ns_newmsg *handle); |
| 667 |
ssize_t ns_rdata_unpack(const u_char *, const u_char *, ns_type, |
| 668 |
const u_char *, size_t, u_char *, size_t);
|
| 669 |
int ns_rdata_equal(ns_type,
|
| 670 |
const u_char *, size_t,
|
| 671 |
const u_char *, size_t);
|
| 672 |
int ns_rdata_refers(ns_type,
|
| 673 |
const u_char *, size_t,
|
| 674 |
const u_char *);
|
| 675 |
__END_DECLS |
| 676 |
|
| 677 |
#ifdef BIND_4_COMPAT
|
| 678 |
#include <arpa/nameser_compat.h> |
| 679 |
#endif
|
| 680 |
|
| 681 |
#endif /* !_ARPA_NAMESER_H_ */ |