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/* $OpenBSD: resolve.h,v 1.1 1998/08/12 23:45:14 art Exp $ */
/* $KTH: resolve.h,v 1.6 1998/03/04 17:37:11 joda Exp $ */
/*
* Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
* (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
* Högskolan 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.
*/
#ifndef __RESOLVE_H__
#define __RESOLVE_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 T_A /* XXX if <arpa/nameser.h> isn't included */
typedef int HEADER; /* will never be used */
#endif
struct dns_reply{
HEADER h;
struct dns_query q;
struct resource_record *head;
};
struct dns_reply* dns_lookup(const char *, const char *);
void dns_free_data(struct dns_reply *r);
#endif /* __RESOLVE_H__ */
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