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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.
*
* nis/getrpcent.c -- "nis" backend for nsswitch "rpc" database
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "nis_common.h"
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <synch.h>
#include <rpc/rpcent.h>
#include <rpcsvc/ypclnt.h>
#include <thread.h>
static int
check_name(args)
nss_XbyY_args_t *args;
{
struct rpcent *rpc = (struct rpcent *)args->returnval;
const char *name = args->key.name;
char **aliasp;
if (rpc) {
if (strcmp(rpc->r_name, name) == 0) {
return (1);
}
for (aliasp = rpc->r_aliases; *aliasp != 0; aliasp++) {
if (strcmp(*aliasp, name) == 0) {
return (1);
}
}
return (0);
} else {
/*
* NSS2: nscd is running.
*/
return (_nss_nis_check_name_aliases(args,
(const char *)args->buf.buffer,
strlen(args->buf.buffer)));
}
}
static mutex_t no_byname_lock = DEFAULTMUTEX;
static int no_byname_map = 0;
static nss_status_t
getbyname(be, a)
nis_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
int no_map;
sigset_t oldmask, newmask;
(void) sigfillset(&newmask);
(void) _thr_sigsetmask(SIG_SETMASK, &newmask, &oldmask);
(void) _mutex_lock(&no_byname_lock);
no_map = no_byname_map;
(void) _mutex_unlock(&no_byname_lock);
(void) _thr_sigsetmask(SIG_SETMASK, &oldmask, (sigset_t *)NULL);
if (no_map == 0) {
int yp_status;
nss_status_t res;
res = _nss_nis_lookup(be, argp, 1, "rpc.byname",
argp->key.name, &yp_status);
if (yp_status == YPERR_MAP) {
(void) sigfillset(&newmask);
_thr_sigsetmask(SIG_SETMASK, &newmask, &oldmask);
_mutex_lock(&no_byname_lock);
no_byname_map = 1;
_mutex_unlock(&no_byname_lock);
_thr_sigsetmask(SIG_SETMASK, &oldmask,
(sigset_t *)NULL);
} else /* if (res == NSS_SUCCESS) <==== */ {
return (res);
}
}
return (_nss_nis_XY_all(be, argp, 1, argp->key.name, check_name));
}
static nss_status_t
getbynumber(be, a)
nis_backend_ptr_t be;
void *a;
{
nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
char numstr[12];
(void) sprintf(numstr, "%d", argp->key.number);
return (_nss_nis_lookup(be, argp, 1, "rpc.bynumber", numstr, 0));
}
static nis_backend_op_t rpc_ops[] = {
_nss_nis_destr,
_nss_nis_endent,
_nss_nis_setent,
_nss_nis_getent_netdb,
getbyname,
getbynumber
};
/*ARGSUSED*/
nss_backend_t *
_nss_nis_rpc_constr(dummy1, dummy2, dummy3)
const char *dummy1, *dummy2, *dummy3;
{
return (_nss_nis_constr(rpc_ops,
sizeof (rpc_ops) / sizeof (rpc_ops[0]),
"rpc.bynumber"));
}
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