| 0,0 → 1,322 |
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| /*!\file arpa/nameser.h |
| * Nameserver API. |
| */ |
| |
| /* |
| * Copyright (c) 1983, 1989, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * - |
| * Portions Copyright (c) 1993 by Digital Equipment Corporation. |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies, and that |
| * the name of Digital Equipment Corporation not be used in advertising or |
| * publicity pertaining to distribution of the document or software without |
| * specific, written prior permission. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT |
| * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS |
| * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| * SOFTWARE. |
| * - |
| * --Copyright-- |
| * |
| * @(#)nameser.h 8.2 (Berkeley) 2/16/94 |
| * From Id: nameser.h,v 4.9.1.15 1994/07/19 22:51:24 vixie Exp |
| * $Id: nameser.h,v 1.8 1996/08/29 20:01:00 peter Exp $ |
| */ |
| |
| #ifndef __ARPA_NAMESER_H |
| #define __ARPA_NAMESER_H |
| |
| #ifndef __SYS_W32API_H |
| #include <sys/w32api.h> |
| #endif |
| |
| #ifndef __SYS_PARAM_H |
| #include <sys/param.h> |
| #endif |
| |
| #ifndef __SYS_WTYPES_H |
| #include <sys/wtypes.h> |
| #endif |
| |
| #ifndef __SYS_CDEFS_H |
| #include <sys/cdefs.h> |
| #endif |
| |
| /* |
| * revision information. this is the release date in YYYYMMDD format. |
| * it can change every day so the right thing to do with it is use it |
| * in preprocessor commands such as "#if (__BIND > 19931104)". do not |
| * compare for equality; rather, use it to determine whether your resolver |
| * is new enough to contain a certain feature. |
| */ |
| |
| #define __BIND 19960801 /* interface version stamp */ |
| |
| /* |
| * Define constants based on rfc883 |
| */ |
| #define PACKETSZ 512 /* maximum packet size */ |
| #define MAXDNAME 1025 /* maximum domain name */ |
| #define MAXCDNAME 255 /* maximum compressed domain name */ |
| #define MAXLABEL 63 /* maximum length of domain label */ |
| #define HFIXEDSZ 12 /* #/bytes of fixed data in header */ |
| #define QFIXEDSZ 4 /* #/bytes of fixed data in query */ |
| #define RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ |
| #define INT32SZ 4 /* for systems without 32-bit ints */ |
| #define INT16SZ 2 /* for systems without 16-bit ints */ |
| #define INADDRSZ 4 /* IPv4 T_A */ |
| #define IN6ADDRSZ 16 /* IPv6 T_AAAA */ |
| |
| |
| /* |
| * Internet nameserver port number |
| */ |
| #define NAMESERVER_PORT 53 |
| |
| /* |
| * Currently defined opcodes |
| */ |
| #define QUERY 0x0 /* standard query */ |
| #define IQUERY 0x1 /* inverse query */ |
| #define STATUS 0x2 /* nameserver status query */ |
| #define NS_NOTIFY_OP 0x4 /* notify secondary of SOA change */ |
| |
| #ifdef ALLOW_UPDATES |
| /* non standard - supports ALLOW_UPDATES stuff from Mike Schwartz */ |
| # define UPDATEA 0x9 /* add resource record */ |
| # define UPDATED 0xa /* delete a specific resource record */ |
| # define UPDATEDA 0xb /* delete all named resource record */ |
| # define UPDATEM 0xc /* modify a specific resource record */ |
| # define UPDATEMA 0xd /* modify all named resource record */ |
| # define ZONEINIT 0xe /* initial zone transfer */ |
| # define ZONEREF 0xf /* incremental zone referesh */ |
| #endif |
| |
| /* |
| * Currently defined response codes |
| */ |
| #if !defined(WIN32) && !defined(_WIN32) /* <winerror.h> value is okay */ |
| #define NOERROR 0 /* no error */ |
| #endif |
| #define FORMERR 1 /* format error */ |
| #define SERVFAIL 2 /* server failure */ |
| #define NXDOMAIN 3 /* non existent domain */ |
| #define NOTIMP 4 /* not implemented */ |
| #define REFUSED 5 /* query refused */ |
| |
| #ifdef ALLOW_UPDATES |
| /* non standard */ |
| # define NOCHANGE 0xf /* update failed to change db */ |
| #endif |
| |
| /* |
| * Type values for resources and queries |
| */ |
| #define T_A 1 /* host address */ |
| #define T_NS 2 /* authoritative server */ |
| #define T_MD 3 /* mail destination */ |
| #define T_MF 4 /* mail forwarder */ |
| #define T_CNAME 5 /* canonical name */ |
| #define T_SOA 6 /* start of authority zone */ |
| #define T_MB 7 /* mailbox domain name */ |
| #define T_MG 8 /* mail group member */ |
| #define T_MR 9 /* mail rename name */ |
| #define T_NULL 10 /* null resource record */ |
| #define T_WKS 11 /* well known service */ |
| #define T_PTR 12 /* domain name pointer */ |
| #define T_HINFO 13 /* host information */ |
| #define T_MINFO 14 /* mailbox information */ |
| #define T_MX 15 /* mail routing information */ |
| #define T_TXT 16 /* text strings */ |
| #define T_RP 17 /* responsible person */ |
| #define T_AFSDB 18 /* AFS cell database */ |
| #define T_X25 19 /* X_25 calling address */ |
| #define T_ISDN 20 /* ISDN calling address */ |
| #define T_RT 21 /* router */ |
| #define T_NSAP 22 /* NSAP address */ |
| #define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */ |
| #define T_SIG 24 /* security signature */ |
| #define T_KEY 25 /* security key */ |
| #define T_PX 26 /* X.400 mail mapping */ |
| #define T_GPOS 27 /* geographical position (withdrawn) */ |
| #define T_AAAA 28 /* IP6 Address */ |
| #define T_LOC 29 /* Location Information */ |
| #define T_NXT 30 /* Next Valid Name in Zone */ |
| #define T_EID 31 /* Endpoint identifier */ |
| #define T_NIMLOC 32 /* Nimrod locator */ |
| #define T_SRV 33 /* Server selection */ |
| #define T_ATMA 34 /* ATM Address */ |
| #define T_NAPTR 35 /* Naming Authority PoinTeR */ |
| /* non standard */ |
| #define T_UINFO 100 /* user (finger) information */ |
| #define T_UID 101 /* user ID */ |
| #define T_GID 102 /* group ID */ |
| #define T_UNSPEC 103 /* Unspecified format (binary data) */ |
| /* Query type values which do not appear in resource records */ |
| #define T_IXFR 251 /* incremental zone transfer */ |
| #define T_AXFR 252 /* transfer zone of authority */ |
| #define T_MAILB 253 /* transfer mailbox records */ |
| #define T_MAILA 254 /* transfer mail agent records */ |
| #define T_ANY 255 /* wildcard match */ |
| |
| #define T_WINS 0xFF01 /* WINS name lookup */ |
| #define T_WINSR 0xFF02 /* WINS reverse lookup */ |
| |
| /* |
| * Values for class field |
| */ |
| |
| #define C_IN 1 /* the arpa internet */ |
| #define C_CHAOS 3 /* for chaos net (MIT) */ |
| #define C_HS 4 /* for Hesiod name server (MIT) (XXX) */ |
| /* Query class values which do not appear in resource records */ |
| #define C_ANY 255 /* wildcard match */ |
| |
| /* |
| * Status return codes for T_UNSPEC conversion routines |
| */ |
| #define CONV_SUCCESS 0 |
| #define CONV_OVERFLOW (-1) |
| #define CONV_BADFMT (-2) |
| #define CONV_BADCKSUM (-3) |
| #define CONV_BADBUFLEN (-4) |
| |
| #include <sys/packon.h> |
| |
| /* |
| * Structure for query header. The order of the fields is machine- and |
| * compiler-dependent, depending on the byte/bit order and the layout |
| * of bit fields. We use bit fields only in int variables, as this |
| * is all ANSI requires. This requires a somewhat confusing rearrangement. |
| */ |
| |
| typedef struct { |
| unsigned id :16; /* query identification number */ |
| |
| /* fields in third byte */ |
| unsigned rd :1; /* recursion desired */ |
| unsigned tc :1; /* truncated message */ |
| unsigned aa :1; /* authoritative answer */ |
| unsigned opcode :4; /* purpose of message */ |
| unsigned qr :1; /* response flag */ |
| |
| /* fields in fourth byte */ |
| unsigned rcode :4; /* response code */ |
| unsigned cd: 1; /* checking disabled by resolver */ |
| unsigned ad: 1; /* authentic data from named */ |
| unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ |
| unsigned ra :1; /* recursion available */ |
| |
| /* remaining bytes */ |
| unsigned qdcount :16; /* number of question entries */ |
| unsigned ancount :16; /* number of answer entries */ |
| unsigned nscount :16; /* number of authority entries */ |
| unsigned arcount :16; /* number of resource entries */ |
| } HEADER; |
| |
| |
| /* |
| * Defines for handling compressed domain names |
| */ |
| #define INDIR_MASK 0xc0 |
| |
| /* |
| * Structure for passing resource records around. |
| */ |
| struct rrec { |
| u_short r_zone; /* zone number */ |
| u_short r_class; /* class number */ |
| u_short r_type; /* type number */ |
| u_long r_ttl; /* time to live */ |
| int r_size; /* size of data area */ |
| char *r_data; /* pointer to data */ |
| }; |
| |
| #include <sys/packoff.h> |
| |
| |
| __BEGIN_DECLS |
| |
| W32_FUNC u_short _getshort (const u_char *); |
| W32_FUNC u_long _getlong (const u_char *); |
| |
| __END_DECLS |
| |
| /* |
| * Inline versions of get/put short/long. Pointer is advanced. |
| * |
| * These macros demonstrate the property of C whereby it can be |
| * portable or it can be elegant but rarely both. |
| */ |
| #define GETSHORT(s, cp) do { \ |
| register u_char *t_cp = (u_char *)(cp); \ |
| (s) = ((u_short)t_cp[0] << 8) \ |
| | ((u_short)t_cp[1]); \ |
| (cp) += INT16SZ; \ |
| } while (0) |
| |
| #define GETLONG(l, cp) do { \ |
| register u_char *t_cp = (u_char *)(cp); \ |
| (l) = ((u_long)t_cp[0] << 24) \ |
| | ((u_long)t_cp[1] << 16) \ |
| | ((u_long)t_cp[2] << 8) \ |
| | ((u_long)t_cp[3]); \ |
| (cp) += INT32SZ; \ |
| } while (0) |
| |
| #define PUTSHORT(s, cp) do { \ |
| register u_short t_s = (u_short)(s); \ |
| register u_char *t_cp = (u_char *)(cp); \ |
| *t_cp++ = (u_char) (t_s >> 8); \ |
| *t_cp = (u_char) t_s; \ |
| (cp) += INT16SZ; \ |
| } while (0) |
| |
| #define PUTLONG(l, cp) do { \ |
| register u_long t_l = (u_long)(l); \ |
| register u_char *t_cp = (u_char *)(cp); \ |
| *t_cp++ = (u_char) (t_l >> 24); \ |
| *t_cp++ = (u_char) (t_l >> 16); \ |
| *t_cp++ = (u_char) (t_l >> 8); \ |
| *t_cp = (u_char) t_l; \ |
| (cp) += INT32SZ; \ |
| } while (0) |
| |
| #endif |