125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/* $NetBSD: res.h,v 1.1.1.2 2012/09/09 16:08:11 christos Exp $ */
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/*
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* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
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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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* @(#)res.h 5.10 (Berkeley) 6/1/90
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* Id: res.h,v 1.3 2009/03/03 23:49:07 tbox Exp
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*/
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/*
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*******************************************************************************
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*
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* res.h --
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*
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* Definitions used by modules of the name server lookup program.
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*
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* Copyright (c) 1985
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* Andrew Cherenson
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* U.C. Berkeley
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* CS298-26 Fall 1985
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*
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*******************************************************************************
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*/
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#define TRUE 1
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#define FALSE 0
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typedef int Boolean;
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#define MAXALIASES 35
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#define MAXADDRS 35
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#define MAXDOMAINS 35
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#define MAXSERVERS 10
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/*
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* Define return statuses in addtion to the ones defined in namserv.h
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* let SUCCESS be a synonym for NOERROR
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*
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* TIME_OUT - a socket connection timed out.
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* NO_INFO - the server didn't find any info about the host.
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* ERROR - one of the following types of errors:
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* dn_expand, res_mkquery failed
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* bad command line, socket operation failed, etc.
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* NONAUTH - the server didn't have the desired info but
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* returned the name(s) of some servers who should.
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* NO_RESPONSE - the server didn't respond.
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*
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*/
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#ifdef ERROR
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#undef ERROR
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#endif
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#define SUCCESS 0
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#define TIME_OUT -1
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#define NO_INFO -2
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#define ERROR -3
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#define NONAUTH -4
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#define NO_RESPONSE -5
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/*
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* Define additional options for the resolver state structure.
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*
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* RES_DEBUG2 more verbose debug level
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*/
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#define RES_DEBUG2 0x00400000
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/*
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* Maximum length of server, host and file names.
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*/
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#define NAME_LEN 256
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/*
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* Modified struct hostent from <netdb.h>
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*
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* "Structures returned by network data base library. All addresses
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* are supplied in host order, and returned in network order (suitable
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* for use in system calls)."
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*/
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typedef struct {
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int addrType;
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int addrLen;
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char *addr;
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} AddrInfo;
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typedef struct {
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char *name; /* official name of host */
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char **domains; /* domains it serves */
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AddrInfo **addrList; /* list of addresses from name server */
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} ServerInfo;
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typedef struct {
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char *name; /* official name of host */
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char **aliases; /* alias list */
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AddrInfo **addrList; /* list of addresses from name server */
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ServerInfo **servers;
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} HostInfo;
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/*
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* External routines:
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*/
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extern int pickString(const char *, char *, size_t);
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extern int matchString(const char *, const char *);
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extern int StringToType(char *, int, FILE *);
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extern int StringToClass(char *, int, FILE *);
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