/* $KTH: resolve.h,v 1.5 1997/05/14 17:41:25 joda Exp $ */ /* * Copyright (c) 1995, 1996, 1997 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. */ /* THIS IS NOT (yet) A PUBLIC INTERFACE */ #ifndef __RESOLVE_H__ #define __RESOLVE_H__ /* We use these, but they are not always present in */ 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; }; 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__ */