/*
 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Hvgskolan (Royal Institute of Technology, Stockholm, Sweden). 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 Kungliga Tekniska Hvgskolan and its contributors.
 * 
 * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
 */

/* $Id: resolve.h,v 1.1.1.1 2004/05/06 07:26:16 bushman Exp $ */

/* THIS IS NOT (yet) A PUBLIC INTERFACE */

#ifndef __RESOLVE_H__
#define __RESOLVE_H__

/* when would this *not* be defined? */
#define HAVE_ARPA_NAMESER_H

/* We use these, but they are not always present in <arpa/nameser.h> */

#ifndef T_TXT
#define T_TXT		16
#endif
#ifndef T_AFSDB
#define T_AFSDB		18
#endif
#ifndef T_SRV
#define T_SRV		 33
#endif

struct dns_query {
	char *domain;
	unsigned type;
	unsigned class;
};

struct mx_record {
	unsigned preference;
	char domain[1];
};

struct srv_record {
	unsigned priority;
	unsigned weight;
	unsigned port;
	char target[1];
};

struct resource_record {
	char *domain;
	unsigned type;
	unsigned class;
	unsigned ttl;
	unsigned size;
	union {
		void *data;
		struct mx_record *mx;
		struct mx_record *afsdb;	/* mx and afsdb are identical */
		struct srv_record *srv;
		struct in_addr *a;
		char *txt;
	}
	 u;
	struct resource_record *next;
};


#ifndef HAVE_ARPA_NAMESER_H	/* XXX */
typedef int HEADER;		/* will never be used */
#endif

struct dns_reply {
	HEADER h;
	struct dns_query q;
	struct resource_record *head;
};

#define dns_lookup	_nss_ldap_dns_lookup
#define dns_free_data	_nss_ldap_dns_free_data

struct dns_reply *dns_lookup(const char *, const char *);

void dns_free_data(struct dns_reply * r);

#endif				/* __RESOLVE_H__ */