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207 |
jeremybenn |
/*
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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* From: Id: nameser.h,v 8.16 1998/02/06 00:35:58 halley Exp
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* $FreeBSD: src/include/arpa/nameser.h,v 1.16 2002/03/23 17:24:55 imp 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/types.h>
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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 libnameser.a
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* is new enough to contain a certain feature.
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*/
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/* XXXRTH I made this bigger than __BIND in 4.9.5 T6B */
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#define __NAMESER 19961001 /* New interface version stamp. */
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/*
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* Define constants based on RFC 883, RFC 1034, RFC 1035
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*/
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#define NS_PACKETSZ 512 /* maximum packet size */
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#define NS_MAXDNAME 1025 /* maximum domain name */
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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_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 u_int32_t */
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#define NS_INT16SZ 2 /* #/bytes of data in a u_int16_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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* 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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u_int16_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 *_ptr;
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} ns_msg;
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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_getflag(handle, flag) ( \
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((handle)._flags & _ns_flagdata[flag].mask) \
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>> _ns_flagdata[flag].shift \
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)
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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) ((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]; /* XXX need to malloc */
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u_int16_t type;
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u_int16_t rr_class;
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u_int32_t ttl;
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u_int16_t rdlength;
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const u_char *rdata;
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} ns_rr;
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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_type(rr) ((rr).type + 0)
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#define ns_rr_class(rr) ((rr).rr_class + 0)
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#define ns_rr_ttl(rr) ((rr).ttl + 0)
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#define ns_rr_rdlen(rr) ((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 TSIG extended 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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| 238 |
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};
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typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
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| 241 |
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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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| 244 |
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| 245 |
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#define NS_TSIG_ERROR_NO_TSIG -10
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| 246 |
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#define NS_TSIG_ERROR_NO_SPACE -11
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| 247 |
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#define NS_TSIG_ERROR_FORMERR -12
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| 248 |
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| 249 |
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/*
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| 250 |
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* Currently defined type values for resources and queries.
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| 251 |
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*/
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| 252 |
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typedef enum __ns_type {
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| 253 |
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ns_t_invalid = 0, /* Cookie. */
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| 254 |
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ns_t_a = 1, /* Host address. */
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| 255 |
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ns_t_ns = 2, /* Authoritative server. */
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| 256 |
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ns_t_md = 3, /* Mail destination. */
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| 257 |
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ns_t_mf = 4, /* Mail forwarder. */
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| 258 |
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ns_t_cname = 5, /* Canonical name. */
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| 259 |
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ns_t_soa = 6, /* Start of authority zone. */
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| 260 |
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ns_t_mb = 7, /* Mailbox domain name. */
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| 261 |
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ns_t_mg = 8, /* Mail group member. */
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| 262 |
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ns_t_mr = 9, /* Mail rename name. */
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| 263 |
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ns_t_null = 10, /* Null resource record. */
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| 264 |
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ns_t_wks = 11, /* Well known service. */
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| 265 |
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ns_t_ptr = 12, /* Domain name pointer. */
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| 266 |
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ns_t_hinfo = 13, /* Host information. */
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| 267 |
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ns_t_minfo = 14, /* Mailbox information. */
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| 268 |
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ns_t_mx = 15, /* Mail routing information. */
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| 269 |
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ns_t_txt = 16, /* Text strings. */
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| 270 |
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ns_t_rp = 17, /* Responsible person. */
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| 271 |
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ns_t_afsdb = 18, /* AFS cell database. */
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| 272 |
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ns_t_x25 = 19, /* X_25 calling address. */
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| 273 |
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ns_t_isdn = 20, /* ISDN calling address. */
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| 274 |
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ns_t_rt = 21, /* Router. */
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| 275 |
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ns_t_nsap = 22, /* NSAP address. */
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| 276 |
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ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */
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| 277 |
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ns_t_sig = 24, /* Security signature. */
|
| 278 |
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ns_t_key = 25, /* Security key. */
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| 279 |
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ns_t_px = 26, /* X.400 mail mapping. */
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| 280 |
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ns_t_gpos = 27, /* Geographical position (withdrawn). */
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| 281 |
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ns_t_aaaa = 28, /* Ip6 Address. */
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| 282 |
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ns_t_loc = 29, /* Location Information. */
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| 283 |
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ns_t_nxt = 30, /* Next domain (security). */
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| 284 |
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ns_t_eid = 31, /* Endpoint identifier. */
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| 285 |
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ns_t_nimloc = 32, /* Nimrod Locator. */
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| 286 |
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ns_t_srv = 33, /* Server Selection. */
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| 287 |
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ns_t_atma = 34, /* ATM Address */
|
| 288 |
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ns_t_naptr = 35, /* Naming Authority PoinTeR */
|
| 289 |
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ns_t_kx = 36, /* Key Exchange */
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| 290 |
|
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ns_t_cert = 37, /* Certification record */
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| 291 |
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ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */
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| 292 |
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ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */
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| 293 |
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ns_t_sink = 40, /* Kitchen sink (experimentatl) */
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| 294 |
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ns_t_opt = 41, /* EDNS0 option (meta-RR) */
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| 295 |
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ns_t_tsig = 250, /* Transaction signature. */
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| 296 |
|
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ns_t_ixfr = 251, /* Incremental zone transfer. */
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| 297 |
|
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ns_t_axfr = 252, /* Transfer zone of authority. */
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| 298 |
|
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ns_t_mailb = 253, /* Transfer mailbox records. */
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| 299 |
|
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ns_t_maila = 254, /* Transfer mail agent records. */
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| 300 |
|
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ns_t_any = 255, /* Wildcard match. */
|
| 301 |
|
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ns_t_zxfr = 256, /* BIND-specific, nonstandard. */
|
| 302 |
|
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ns_t_max = 65536
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| 303 |
|
|
} ns_type;
|
| 304 |
|
|
|
| 305 |
|
|
/* Exclusively a QTYPE? (not also an RTYPE) */
|
| 306 |
|
|
#define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
|
| 307 |
|
|
(t) == ns_t_mailb || (t) == ns_t_maila)
|
| 308 |
|
|
/* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */
|
| 309 |
|
|
#define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
|
| 310 |
|
|
/* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */
|
| 311 |
|
|
#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
|
| 312 |
|
|
#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
|
| 313 |
|
|
#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
|
| 314 |
|
|
(t) == ns_t_zxfr)
|
| 315 |
|
|
|
| 316 |
|
|
|
| 317 |
|
|
/*
|
| 318 |
|
|
* This RR-like structure is particular to UPDATE.
|
| 319 |
|
|
*/
|
| 320 |
|
|
struct ns_updrec {
|
| 321 |
|
|
struct ns_updrec *r_prev; /* prev record */
|
| 322 |
|
|
struct ns_updrec *r_next; /* next record */
|
| 323 |
|
|
u_int8_t r_section; /* ZONE/PREREQUISITE/UPDATE */
|
| 324 |
|
|
char * r_dname; /* owner of the RR */
|
| 325 |
|
|
u_int16_t r_class; /* class number */
|
| 326 |
|
|
u_int16_t r_type; /* type number */
|
| 327 |
|
|
u_int32_t r_ttl; /* time to live */
|
| 328 |
|
|
u_char * r_data; /* rdata fields as text string */
|
| 329 |
|
|
u_int16_t r_size; /* size of r_data field */
|
| 330 |
|
|
int r_opcode; /* type of operation */
|
| 331 |
|
|
/* following fields for private use by the resolver/server routines */
|
| 332 |
|
|
struct ns_updrec *r_grpnext; /* next record when grouped */
|
| 333 |
|
|
struct databuf *r_dp; /* databuf to process */
|
| 334 |
|
|
struct databuf *r_deldp; /* databuf's deleted/overwritten */
|
| 335 |
|
|
u_int16_t r_zone; /* zone number on server */
|
| 336 |
|
|
};
|
| 337 |
|
|
typedef struct ns_updrec ns_updrec;
|
| 338 |
|
|
|
| 339 |
|
|
|
| 340 |
|
|
/*
|
| 341 |
|
|
* Values for class field
|
| 342 |
|
|
*/
|
| 343 |
|
|
typedef enum __ns_class {
|
| 344 |
|
|
ns_c_in = 1, /* Internet. */
|
| 345 |
|
|
/* Class 2 unallocated/unsupported. */
|
| 346 |
|
|
ns_c_chaos = 3, /* MIT Chaos-net. */
|
| 347 |
|
|
ns_c_hs = 4, /* MIT Hesiod. */
|
| 348 |
|
|
/* Query class values which do not appear in resource records */
|
| 349 |
|
|
ns_c_none = 254, /* for prereq. sections in update requests */
|
| 350 |
|
|
ns_c_any = 255, /* Wildcard match. */
|
| 351 |
|
|
ns_c_max = 65536
|
| 352 |
|
|
} ns_class;
|
| 353 |
|
|
|
| 354 |
|
|
/* DNSSEC constants. */
|
| 355 |
|
|
|
| 356 |
|
|
typedef enum __ns_key_types {
|
| 357 |
|
|
ns_kt_rsa = 1, /* key type RSA/MD5 */
|
| 358 |
|
|
ns_kt_dh = 2, /* Diffie Hellman */
|
| 359 |
|
|
ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */
|
| 360 |
|
|
ns_kt_private = 254 /* Private key type starts with OID */
|
| 361 |
|
|
} ns_key_types;
|
| 362 |
|
|
|
| 363 |
|
|
typedef enum __ns_cert_types {
|
| 364 |
|
|
cert_t_pkix = 1, /* PKIX (X.509v3) */
|
| 365 |
|
|
cert_t_spki = 2, /* SPKI */
|
| 366 |
|
|
cert_t_pgp = 3, /* PGP */
|
| 367 |
|
|
cert_t_url = 253, /* URL private type */
|
| 368 |
|
|
cert_t_oid = 254 /* OID private type */
|
| 369 |
|
|
} ns_cert_types;
|
| 370 |
|
|
|
| 371 |
|
|
|
| 372 |
|
|
/*
|
| 373 |
|
|
* Flags field of the KEY RR rdata
|
| 374 |
|
|
*/
|
| 375 |
|
|
#define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */
|
| 376 |
|
|
#define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */
|
| 377 |
|
|
#define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */
|
| 378 |
|
|
#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */
|
| 379 |
|
|
#define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */
|
| 380 |
|
|
/* The type bits can also be interpreted independently, as single bits: */
|
| 381 |
|
|
#define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */
|
| 382 |
|
|
#define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */
|
| 383 |
|
|
#define NS_KEY_EXPERIMENTAL 0x2000 /* Security is *mandatory* if bit=0 */
|
| 384 |
|
|
#define NS_KEY_RESERVED3 0x1000 /* reserved - must be zero */
|
| 385 |
|
|
#define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */
|
| 386 |
|
|
#define NS_KEY_USERACCOUNT 0x0400 /* key is assoc. with a user acct */
|
| 387 |
|
|
#define NS_KEY_ENTITY 0x0200 /* key is assoc. with entity eg host */
|
| 388 |
|
|
#define NS_KEY_ZONEKEY 0x0100 /* key is zone key */
|
| 389 |
|
|
#define NS_KEY_IPSEC 0x0080 /* key is for IPSEC (host or user)*/
|
| 390 |
|
|
#define NS_KEY_EMAIL 0x0040 /* key is for email (MIME security) */
|
| 391 |
|
|
#define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */
|
| 392 |
|
|
#define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */
|
| 393 |
|
|
#define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */
|
| 394 |
|
|
|
| 395 |
|
|
#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED3 | \
|
| 396 |
|
|
NS_KEY_RESERVED4 | \
|
| 397 |
|
|
NS_KEY_RESERVED10 | \
|
| 398 |
|
|
NS_KEY_RESERVED11 )
|
| 399 |
|
|
|
| 400 |
|
|
/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
|
| 401 |
|
|
#define NS_ALG_MD5RSA 1 /* MD5 with RSA */
|
| 402 |
|
|
#define NS_ALG_DH 2 /* Diffie Hellman KEY */
|
| 403 |
|
|
#define NS_ALG_DSA 3 /* DSA KEY */
|
| 404 |
|
|
#define NS_ALG_DSS NS_ALG_DSA
|
| 405 |
|
|
|
| 406 |
|
|
#define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */
|
| 407 |
|
|
#define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */
|
| 408 |
|
|
|
| 409 |
|
|
/* Signatures */
|
| 410 |
|
|
#define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */
|
| 411 |
|
|
#define NS_MD5RSA_MAX_BITS 2552
|
| 412 |
|
|
/* Total of binary mod and exp */
|
| 413 |
|
|
#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3)
|
| 414 |
|
|
/* Max length of text sig block */
|
| 415 |
|
|
#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4)
|
| 416 |
|
|
|
| 417 |
|
|
/* Offsets into SIG record rdata to find various values */
|
| 418 |
|
|
#define NS_SIG_TYPE 0 /* Type flags */
|
| 419 |
|
|
#define NS_SIG_ALG 2 /* Algorithm */
|
| 420 |
|
|
#define NS_SIG_LABELS 3 /* How many labels in name */
|
| 421 |
|
|
#define NS_SIG_OTTL 4 /* Original TTL */
|
| 422 |
|
|
#define NS_SIG_EXPIR 8 /* Expiration time */
|
| 423 |
|
|
#define NS_SIG_SIGNED 12 /* Signature time */
|
| 424 |
|
|
#define NS_SIG_FOOT 16 /* Key footprint */
|
| 425 |
|
|
#define NS_SIG_SIGNER 18 /* Domain name of who signed it */
|
| 426 |
|
|
|
| 427 |
|
|
/* How RR types are represented as bit-flags in NXT records */
|
| 428 |
|
|
#define NS_NXT_BITS 8
|
| 429 |
|
|
#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS)))
|
| 430 |
|
|
#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
|
| 431 |
|
|
#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS)))
|
| 432 |
|
|
|
| 433 |
|
|
|
| 434 |
|
|
/*
|
| 435 |
|
|
* Inline versions of get/put short/long. Pointer is advanced.
|
| 436 |
|
|
*/
|
| 437 |
|
|
#define NS_GET16(s, cp) { \
|
| 438 |
|
|
register u_char *t_cp = (u_char *)(cp); \
|
| 439 |
|
|
(s) = ((u_int16_t)t_cp[0] << 8) \
|
| 440 |
|
|
| ((u_int16_t)t_cp[1]) \
|
| 441 |
|
|
; \
|
| 442 |
|
|
(cp) += NS_INT16SZ; \
|
| 443 |
|
|
}
|
| 444 |
|
|
|
| 445 |
|
|
#define NS_GET32(l, cp) { \
|
| 446 |
|
|
register u_char *t_cp = (u_char *)(cp); \
|
| 447 |
|
|
(l) = ((u_int32_t)t_cp[0] << 24) \
|
| 448 |
|
|
| ((u_int32_t)t_cp[1] << 16) \
|
| 449 |
|
|
| ((u_int32_t)t_cp[2] << 8) \
|
| 450 |
|
|
| ((u_int32_t)t_cp[3]) \
|
| 451 |
|
|
; \
|
| 452 |
|
|
(cp) += NS_INT32SZ; \
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
#define NS_PUT16(s, cp) { \
|
| 456 |
|
|
register u_int16_t t_s = (u_int16_t)(s); \
|
| 457 |
|
|
register u_char *t_cp = (u_char *)(cp); \
|
| 458 |
|
|
*t_cp++ = t_s >> 8; \
|
| 459 |
|
|
*t_cp = t_s; \
|
| 460 |
|
|
(cp) += NS_INT16SZ; \
|
| 461 |
|
|
}
|
| 462 |
|
|
|
| 463 |
|
|
#define NS_PUT32(l, cp) { \
|
| 464 |
|
|
register u_int32_t t_l = (u_int32_t)(l); \
|
| 465 |
|
|
register u_char *t_cp = (u_char *)(cp); \
|
| 466 |
|
|
*t_cp++ = t_l >> 24; \
|
| 467 |
|
|
*t_cp++ = t_l >> 16; \
|
| 468 |
|
|
*t_cp++ = t_l >> 8; \
|
| 469 |
|
|
*t_cp = t_l; \
|
| 470 |
|
|
(cp) += NS_INT32SZ; \
|
| 471 |
|
|
}
|
| 472 |
|
|
|
| 473 |
|
|
/*
|
| 474 |
|
|
* ANSI C identifier hiding.
|
| 475 |
|
|
*/
|
| 476 |
|
|
#define ns_get16 __ns_get16
|
| 477 |
|
|
#define ns_get32 __ns_get32
|
| 478 |
|
|
#define ns_put16 __ns_put16
|
| 479 |
|
|
#define ns_put32 __ns_put32
|
| 480 |
|
|
#define ns_initparse __ns_initparse
|
| 481 |
|
|
#define ns_parserr __ns_parserr
|
| 482 |
|
|
#define ns_sprintrr __ns_sprintrr
|
| 483 |
|
|
#define ns_sprintrrf __ns_sprintrrf
|
| 484 |
|
|
#define ns_format_ttl __ns_format_ttl
|
| 485 |
|
|
#define ns_parse_ttl __ns_parse_ttl
|
| 486 |
|
|
#define ns_name_ntop __ns_name_ntop
|
| 487 |
|
|
#define ns_name_pton __ns_name_pton
|
| 488 |
|
|
#define ns_name_unpack __ns_name_unpack
|
| 489 |
|
|
#define ns_name_pack __ns_name_pack
|
| 490 |
|
|
#define ns_name_compress __ns_name_compress
|
| 491 |
|
|
#define ns_name_uncompress __ns_name_uncompress
|
| 492 |
|
|
|
| 493 |
|
|
__BEGIN_DECLS
|
| 494 |
|
|
u_int ns_get16(const u_char *);
|
| 495 |
|
|
u_long ns_get32(const u_char *);
|
| 496 |
|
|
void ns_put16(u_int, u_char *);
|
| 497 |
|
|
void ns_put32(u_long, u_char *);
|
| 498 |
|
|
int ns_initparse(const u_char *, int, ns_msg *);
|
| 499 |
|
|
int ns_parserr(ns_msg *, ns_sect, int, ns_rr *);
|
| 500 |
|
|
int ns_sprintrr(const ns_msg *, const ns_rr *,
|
| 501 |
|
|
const char *, const char *, char *, size_t);
|
| 502 |
|
|
int ns_sprintrrf(const u_char *, size_t, const char *,
|
| 503 |
|
|
ns_class, ns_type, u_long, const u_char *,
|
| 504 |
|
|
size_t, const char *, const char *,
|
| 505 |
|
|
char *, size_t);
|
| 506 |
|
|
int ns_format_ttl(u_long, char *, size_t);
|
| 507 |
|
|
int ns_parse_ttl(const char *, u_long *);
|
| 508 |
|
|
int ns_name_ntop(const u_char *, char *, size_t);
|
| 509 |
|
|
int ns_name_pton(const char *, u_char *, size_t);
|
| 510 |
|
|
int ns_name_unpack(const u_char *, const u_char *,
|
| 511 |
|
|
const u_char *, u_char *, size_t);
|
| 512 |
|
|
int ns_name_pack(const u_char *, u_char *, int,
|
| 513 |
|
|
const u_char **, const u_char **);
|
| 514 |
|
|
int ns_name_uncompress(const u_char *, const u_char *,
|
| 515 |
|
|
const u_char *, char *, size_t);
|
| 516 |
|
|
int ns_name_compress(const char *, u_char *, size_t,
|
| 517 |
|
|
const u_char **, const u_char **);
|
| 518 |
|
|
int ns_name_skip(const u_char **, const u_char *);
|
| 519 |
|
|
__END_DECLS
|
| 520 |
|
|
|
| 521 |
|
|
#ifdef BIND_4_COMPAT
|
| 522 |
|
|
#include <arpa/nameser_compat.h>
|
| 523 |
|
|
#endif
|
| 524 |
|
|
|
| 525 |
|
|
#endif /* !_ARPA_NAMESER_H_ */
|
