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