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0160f9c065
since it has far wider impact than hostname lookups (including passwords). Note that this has more ugly symbol hiding and binary compatability hacks that can go away the second we bump majors. Obtained from: Mostly from diff against ISC bind-8.1.2 sources
183 lines
7.1 KiB
C
183 lines
7.1 KiB
C
/*-
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* Copyright (c) 1980, 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* -
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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* -
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* --Copyright--
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*/
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/*
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* @(#)netdb.h 8.1 (Berkeley) 6/2/93
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* From: Id: netdb.h,v 8.9 1996/11/19 08:39:29 vixie Exp $
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* $Id: netdb.h,v 1.10 1997/08/16 23:32:42 steve Exp $
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*/
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#ifndef _NETDB_H_
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#define _NETDB_H_
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#include <sys/cdefs.h>
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#ifndef _PATH_HEQUIV
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# define _PATH_HEQUIV "/etc/hosts.equiv"
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#endif
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#define _PATH_HOSTS "/etc/hosts"
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#define _PATH_NETWORKS "/etc/networks"
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#define _PATH_PROTOCOLS "/etc/protocols"
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#define _PATH_SERVICES "/etc/services"
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extern int h_errno;
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/*
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* Structures returned by network data base library. All addresses are
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* supplied in host order, and returned in network order (suitable for
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* use in system calls).
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*/
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struct hostent {
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char *h_name; /* official name of host */
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char **h_aliases; /* alias list */
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int h_addrtype; /* host address type */
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int h_length; /* length of address */
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char **h_addr_list; /* list of addresses from name server */
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#define h_addr h_addr_list[0] /* address, for backward compatibility */
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};
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/*
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* Assumption here is that a network number
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* fits in an unsigned long -- probably a poor one.
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*/
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struct netent {
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char *n_name; /* official name of net */
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char **n_aliases; /* alias list */
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int n_addrtype; /* net address type */
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unsigned long n_net; /* network # */
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};
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struct servent {
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char *s_name; /* official service name */
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char **s_aliases; /* alias list */
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int s_port; /* port # */
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char *s_proto; /* protocol to use */
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};
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struct protoent {
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char *p_name; /* official protocol name */
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char **p_aliases; /* alias list */
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int p_proto; /* protocol # */
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};
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/*
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* Error return codes from gethostbyname() and gethostbyaddr()
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* (left in extern int h_errno).
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*/
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#define NETDB_INTERNAL -1 /* see errno */
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#define NETDB_SUCCESS 0 /* no problem */
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#define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */
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#define TRY_AGAIN 2 /* Non-Authoritative Host not found, or SERVERFAIL */
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#define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
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#define NO_DATA 4 /* Valid name, no data record of requested type */
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#define NO_ADDRESS NO_DATA /* no address, look for MX record */
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__BEGIN_DECLS
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void endhostent __P((void));
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void endnetent __P((void));
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void endprotoent __P((void));
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void endservent __P((void));
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struct hostent *gethostbyaddr __P((const char *, int, int));
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struct hostent *gethostbyname __P((const char *));
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struct hostent *gethostbyname2 __P((const char *, int));
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struct hostent *gethostent __P((void));
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struct netent *getnetbyaddr __P((unsigned long, int));
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struct netent *getnetbyname __P((const char *));
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struct netent *getnetent __P((void));
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struct protoent *getprotobyname __P((const char *));
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struct protoent *getprotobynumber __P((int));
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struct protoent *getprotoent __P((void));
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struct servent *getservbyname __P((const char *, const char *));
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struct servent *getservbyport __P((int, const char *));
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struct servent *getservent __P((void));
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void herror __P((const char *));
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__const char *hstrerror __P((int));
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void sethostent __P((int));
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/* void sethostfile __P((const char *)); */
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void setnetent __P((int));
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void setprotoent __P((int));
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void setservent __P((int));
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/*
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* PRIVATE functions specific to the FreeBSD implementation
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*/
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/* DO NOT USE THESE, THEY ARE SUBJECT TO CHANGE AND ARE NOT PORTABLE!!! */
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void _sethosthtent __P((int));
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void _endhosthtent __P((void));
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void _sethostdnsent __P((int));
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void _endhostdnsent __P((void));
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void _setnethtent __P((int));
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void _endnethtent __P((void));
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void _setnetdnsent __P((int));
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void _endnetdnsent __P((void));
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struct hostent * _gethostbyhtname __P((const char *, int));
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struct hostent * _gethostbydnsname __P((const char *, int));
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struct hostent * _gethostbynisname __P((const char *, int));
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struct hostent * _gethostbyhtaddr __P((const char *, int, int));
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struct hostent * _gethostbydnsaddr __P((const char *, int, int));
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struct hostent * _gethostbynisaddr __P((const char *, int, int));
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struct netent * _getnetbyhtname __P((const char *));
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struct netent * _getnetbydnsname __P((const char *));
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struct netent * _getnetbynisname __P((const char *));
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struct netent * _getnetbyhtaddr __P((unsigned long, int));
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struct netent * _getnetbydnsaddr __P((unsigned long, int));
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struct netent * _getnetbynisaddr __P((unsigned long, int));
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void _map_v4v6_address __P((const char *src, char *dst));
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void _map_v4v6_hostent __P((struct hostent *hp, char **bp, int *len));
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__END_DECLS
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#endif /* !_NETDB_H_ */
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