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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* files/getnetent.c -- "files" backend for nsswitch "networks" database
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "files_common.h"
#include <strings.h>
#include <ctype.h>
static nss_status_t
getbyname(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
return (_nss_files_XY_all(be, argp, 1, argp->key.name,
_nss_files_check_name_aliases));
}
static int
check_addr(nss_XbyY_args_t *argp, const char *line, int linelen)
{
const char *limit, *linep, *addrstart;
int addrlen;
char addrbuf[NSS_LINELEN_NETWORKS];
in_addr_t linenet;
linep = line;
limit = line + linelen;
/* skip network name */
while (linep < limit && !isspace(*linep))
linep++;
/* skip the delimiting spaces */
while (linep < limit && isspace(*linep))
linep++;
if (linep == limit)
return (0);
addrstart = linep;
while (linep < limit && !isspace(*linep))
linep++;
addrlen = linep - addrstart;
if (addrlen < sizeof (addrbuf)) {
(void) memcpy(addrbuf, addrstart, addrlen);
addrbuf[addrlen] = '\0';
if ((linenet = inet_network(addrbuf)) ==
(in_addr_t)0xffffffffU)
return (0);
return (AF_INET == argp->key.netaddr.type &&
linenet == argp->key.netaddr.net);
}
return (0);
}
static nss_status_t
getbyaddr(be, a)
files_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
return (_nss_files_XY_all(be, argp, 1, 0, check_addr));
}
static files_backend_op_t net_ops[] = {
_nss_files_destr,
_nss_files_endent,
_nss_files_setent,
_nss_files_getent_netdb,
getbyname,
getbyaddr
};
/*ARGSUSED*/
nss_backend_t *
_nss_files_networks_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_files_constr(net_ops,
sizeof (net_ops) / sizeof (net_ops[0]),
_PATH_NETWORKS,
NSS_LINELEN_NETWORKS,
NULL));
}
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