/*
* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or 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.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC 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.
*/
/*
*******************************************************************************
*
* res.h --
*
* Definitions used by modules of the name server lookup program.
*
* Copyright (c) 1985
* Andrew Cherenson
* U.C. Berkeley
* CS298-26 Fall 1985
*
*******************************************************************************
*/
#define TRUE 1
#define FALSE 0
typedef int Boolean;
/*
* Define return statuses in addtion to the ones defined in namserv.h
* let SUCCESS be a synonym for NOERROR
*
* TIME_OUT - a socket connection timed out.
* NO_INFO - the server didn't find any info about the host.
* ERROR - one of the following types of errors:
* dn_expand, res_mkquery failed
* bad command line, socket operation failed, etc.
* NONAUTH - the server didn't have the desired info but
* returned the name(s) of some servers who should.
* NO_RESPONSE - the server didn't respond.
*
*/
/*
* Define additional options for the resolver state structure.
*
* RES_DEBUG2 more verbose debug level
*/
#define RES_DEBUG2 0x00400000
/*
* Maximum length of server, host and file names.
*/
#define NAME_LEN 256
/*
* Modified struct hostent from <netdb.h>
*
* "Structures returned by network data base library. All addresses
* are supplied in host order, and returned in network order (suitable
* for use in system calls)."
*/
typedef struct {
int addrType;
int addrLen;
char *addr;
} AddrInfo;
typedef struct {
char *name; /* official name of host */
char **domains; /* domains it serves */
AddrInfo **addrList; /* list of addresses from name server */
} ServerInfo;
typedef struct {
char *name; /* official name of host */
char **aliases; /* alias list */
AddrInfo **addrList; /* list of addresses from name server */
ServerInfo **servers;
} HostInfo;
/*
* External routines:
*/
extern int pickString(const char *, char *, size_t);
extern int matchString(const char *, const char *);
extern int StringToType(char *, int, FILE *);
extern int StringToClass(char *, int, FILE *);
