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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* files/netmasks.c -- "files" backend for nsswitch "netmasks" database
*
* Copyright (c) 1996 Sun Microsystems Inc
* All Rights Reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* All routines necessary to deal with the file /etc/inet/netmasks. The file
* contains mappings from 32 bit network internet addresses to their
* corresponding 32 bit mask internet addresses. The addresses are in dotted
* internet address form.
*/
#include "files_common.h"
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <nss_dbdefs.h>
/*
* Validate 'files' netmasks entry. The comparison objects are in IPv4
* internet address format.
*/
static int
check_addr(args)
nss_XbyY_args_t *args;
{
struct in_addr tmp;
tmp.s_addr = inet_addr(args->key.name);
return (memcmp(args->buf.buffer, (char *)&tmp,
sizeof (struct in_addr)) == 0);
}
static nss_status_t
getbynet(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a;
nss_status_t res;
char tmpbuf[NSS_LINELEN_NETMASKS];
argp->buf.buffer = tmpbuf;
argp->buf.buflen = NSS_LINELEN_NETMASKS;
res = _nss_files_XY_all(be, argp, 0, argp->key.name, check_addr);
argp->buf.buffer = NULL;
argp->buf.buflen = 0;
return (res);
}
static files_backend_op_t netmasks_ops[] = {
_nss_files_destr,
getbynet
};
/*ARGSUSED*/
nss_backend_t *
_nss_files_netmasks_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_files_constr(netmasks_ops,
sizeof (netmasks_ops) / sizeof (netmasks_ops[0]),
_PATH_NETMASKS, NSS_LINELEN_NETMASKS, NULL));
}
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