113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/*-
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* Copyright (c) 1994, Garrett Wollman
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdarg.h>
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#include <nsswitch.h>
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extern int _ht_getnetbyname(void *, void *, va_list);
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extern int _dns_getnetbyname(void *, void *, va_list);
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extern int _nis_getnetbyname(void *, void *, va_list);
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extern int _ht_getnetbyaddr(void *, void *, va_list);
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extern int _dns_getnetbyaddr(void *, void *, va_list);
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extern int _nis_getnetbyaddr(void *, void *, va_list);
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/* Network lookup order if nsswitch.conf is broken or nonexistant */
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static const ns_src default_src[] = {
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{ NSSRC_FILES, NS_SUCCESS },
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{ NSSRC_DNS, NS_SUCCESS },
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{ 0 }
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};
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struct netent *
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getnetbyname(const char *name)
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{
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struct netent *hp = 0;
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int rval;
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static const ns_dtab dtab[] = {
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NS_FILES_CB(_ht_getnetbyname, NULL)
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{ NSSRC_DNS, _dns_getnetbyname, NULL },
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NS_NIS_CB(_nis_getnetbyname, NULL) /* force -DHESIOD */
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{ 0 }
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};
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rval = nsdispatch((void *)&hp, dtab, NSDB_NETWORKS, "getnetbyname",
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default_src, name);
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if (rval != NS_SUCCESS)
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return NULL;
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else
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return hp;
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}
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struct netent *
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getnetbyaddr(u_long addr, int af)
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{
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struct netent *hp = 0;
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int rval;
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static const ns_dtab dtab[] = {
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NS_FILES_CB(_ht_getnetbyaddr, NULL)
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{ NSSRC_DNS, _dns_getnetbyaddr, NULL },
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NS_NIS_CB(_nis_getnetbyaddr, NULL) /* force -DHESIOD */
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{ 0 }
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};
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rval = nsdispatch((void *)&hp, dtab, NSDB_NETWORKS, "getnetbyaddr",
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default_src, addr, af);
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if (rval != NS_SUCCESS)
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return NULL;
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else
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return hp;
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}
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void
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setnetent(stayopen)
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int stayopen;
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{
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_setnethtent(stayopen);
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_setnetdnsent(stayopen);
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}
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void
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endnetent()
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{
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_endnethtent();
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_endnetdnsent();
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}
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