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      1 /* OPENBSD BASED ON : include/netdb.h */
      2 
      3 /* $OpenBSD: getrrsetbyname.c,v 1.4 2001/08/16 18:16:43 ho Exp $ */
      4 
      5 /*
      6  * Copyright (c) 2001 Jakob Schlyter. All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * Portions Copyright (c) 1999-2001 Internet Software Consortium.
     33  *
     34  * Permission to use, copy, modify, and distribute this software for any
     35  * purpose with or without fee is hereby granted, provided that the above
     36  * copyright notice and this permission notice appear in all copies.
     37  *
     38  * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
     39  * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
     40  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
     41  * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
     42  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
     43  * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
     44  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
     45  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     46  */
     47 
     48 #ifndef _GETRRSETBYNAME_H
     49 #define _GETRRSETBYNAME_H
     50 
     51 #include "includes.h"
     52 
     53 #ifndef HAVE_GETRRSETBYNAME
     54 
     55 #include <sys/types.h>
     56 #include <netinet/in.h>
     57 #include <arpa/nameser.h>
     58 #include <netdb.h>
     59 #include <resolv.h>
     60 
     61 #ifndef HFIXEDSZ
     62 #define HFIXEDSZ 12
     63 #endif
     64 
     65 #ifndef T_RRSIG
     66 #define T_RRSIG 46
     67 #endif
     68 
     69 /*
     70  * Flags for getrrsetbyname()
     71  */
     72 #ifndef RRSET_VALIDATED
     73 # define RRSET_VALIDATED	1
     74 #endif
     75 
     76 /*
     77  * Return codes for getrrsetbyname()
     78  */
     79 #ifndef ERRSET_SUCCESS
     80 # define ERRSET_SUCCESS		0
     81 # define ERRSET_NOMEMORY	1
     82 # define ERRSET_FAIL		2
     83 # define ERRSET_INVAL		3
     84 # define ERRSET_NONAME		4
     85 # define ERRSET_NODATA		5
     86 #endif
     87 
     88 struct rdatainfo {
     89 	unsigned int		rdi_length;	/* length of data */
     90 	unsigned char		*rdi_data;	/* record data */
     91 };
     92 
     93 struct rrsetinfo {
     94 	unsigned int		rri_flags;	/* RRSET_VALIDATED ... */
     95 	unsigned int		rri_rdclass;	/* class number */
     96 	unsigned int		rri_rdtype;	/* RR type number */
     97 	unsigned int		rri_ttl;	/* time to live */
     98 	unsigned int		rri_nrdatas;	/* size of rdatas array */
     99 	unsigned int		rri_nsigs;	/* size of sigs array */
    100 	char			*rri_name;	/* canonical name */
    101 	struct rdatainfo	*rri_rdatas;	/* individual records */
    102 	struct rdatainfo	*rri_sigs;	/* individual signatures */
    103 };
    104 
    105 int		getrrsetbyname(const char *, unsigned int, unsigned int, unsigned int, struct rrsetinfo **);
    106 void		freerrset(struct rrsetinfo *);
    107 
    108 #endif /* !defined(HAVE_GETRRSETBYNAME) */
    109 
    110 #endif /* _GETRRSETBYNAME_H */
    111