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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/ether_addr.c -- "files" backend for nsswitch "ethers" database
*
* Copyright 1988-1995,2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* All routines necessary to deal with the file /etc/ethers. The file
* contains mappings from 48 bit ethernet addresses to their corresponding
* hosts names. The addresses have an ascii representation of the form
* "x:x:x:x:x:x" where x is a hex number between 0x00 and 0xff; the
* bytes are always in network order.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <nss_dbdefs.h>
#include "files_common.h"
#include <strings.h>
#define _PATH_ETHERS "/etc/ethers"
static int
check_host(args)
nss_XbyY_args_t *args;
{
return (strcmp(args->buf.buffer, args->key.name) == 0);
}
static nss_status_t
getbyhost(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char hostname[MAXHOSTNAMELEN];
nss_status_t res;
argp->buf.buffer = hostname;
argp->buf.buflen = MAXHOSTNAMELEN;
res = _nss_files_XY_all(be, argp, 0, argp->key.name, check_host);
argp->buf.buffer = NULL;
argp->buf.buflen = 0;
return (res);
}
static int
check_ether(args)
nss_XbyY_args_t *args;
{
return (ether_cmp(args->buf.result, args->key.ether) == 0);
}
static nss_status_t
getbyether(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
struct ether_addr etheraddr;
nss_status_t res;
argp->buf.result = ðeraddr;
res = _nss_files_XY_all(be, argp, 0, NULL, check_ether);
argp->buf.result = NULL;
return (res);
}
static files_backend_op_t ethers_ops[] = {
_nss_files_destr,
getbyhost,
getbyether
};
/*ARGSUSED*/
nss_backend_t *
_nss_files_ethers_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_files_constr(ethers_ops,
sizeof (ethers_ops) / sizeof (ethers_ops[0]),
_PATH_ETHERS,
NSS_LINELEN_ETHERS,
NULL));
}
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