getrpcent.c revision 2
2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/*
2N/A * nis/getrpcent.c -- "nis" backend for nsswitch "rpc" database
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include "nis_common.h"
2N/A#include <stdio.h>
2N/A#include <string.h>
2N/A#include <signal.h>
2N/A#include <synch.h>
2N/A#include <rpc/rpcent.h>
2N/A#include <rpcsvc/ypclnt.h>
2N/A#include <thread.h>
2N/A
2N/Astatic int
2N/Acheck_name(args)
2N/A nss_XbyY_args_t *args;
2N/A{
2N/A struct rpcent *rpc = (struct rpcent *)args->returnval;
2N/A const char *name = args->key.name;
2N/A char **aliasp;
2N/A
2N/A if (rpc) {
2N/A if (strcmp(rpc->r_name, name) == 0) {
2N/A return (1);
2N/A }
2N/A for (aliasp = rpc->r_aliases; *aliasp != 0; aliasp++) {
2N/A if (strcmp(*aliasp, name) == 0) {
2N/A return (1);
2N/A }
2N/A }
2N/A return (0);
2N/A } else {
2N/A /*
2N/A * NSS2: nscd is running.
2N/A */
2N/A return (_nss_nis_check_name_aliases(args,
2N/A (const char *)args->buf.buffer,
2N/A strlen(args->buf.buffer)));
2N/A
2N/A }
2N/A}
2N/A
2N/Astatic mutex_t no_byname_lock = DEFAULTMUTEX;
2N/Astatic int no_byname_map = 0;
2N/A
2N/Astatic nss_status_t
2N/Agetbyname(be, a)
2N/A nis_backend_ptr_t be;
2N/A void *a;
2N/A{
2N/A nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
2N/A int no_map;
2N/A sigset_t oldmask, newmask;
2N/A
2N/A (void) sigfillset(&newmask);
2N/A (void) thr_sigsetmask(SIG_SETMASK, &newmask, &oldmask);
2N/A (void) mutex_lock(&no_byname_lock);
2N/A no_map = no_byname_map;
2N/A (void) mutex_unlock(&no_byname_lock);
2N/A (void) thr_sigsetmask(SIG_SETMASK, &oldmask, (sigset_t *)NULL);
2N/A
2N/A if (no_map == 0) {
2N/A int yp_status;
2N/A nss_status_t res;
2N/A
2N/A res = _nss_nis_lookup(be, argp, 1, "rpc.byname",
2N/A argp->key.name, &yp_status);
2N/A if (yp_status == YPERR_MAP) {
2N/A (void) sigfillset(&newmask);
2N/A (void) thr_sigsetmask(SIG_SETMASK, &newmask, &oldmask);
2N/A (void) mutex_lock(&no_byname_lock);
2N/A no_byname_map = 1;
2N/A (void) mutex_unlock(&no_byname_lock);
2N/A (void) thr_sigsetmask(SIG_SETMASK, &oldmask,
2N/A (sigset_t *)NULL);
2N/A } else /* if (res == NSS_SUCCESS) <==== */ {
2N/A return (res);
2N/A }
2N/A }
2N/A
2N/A return (_nss_nis_XY_all(be, argp, 1, argp->key.name, check_name));
2N/A}
2N/A
2N/Astatic nss_status_t
2N/Agetbynumber(be, a)
2N/A nis_backend_ptr_t be;
2N/A void *a;
2N/A{
2N/A nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
2N/A char numstr[12];
2N/A
2N/A (void) sprintf(numstr, "%d", argp->key.number);
2N/A return (_nss_nis_lookup(be, argp, 1, "rpc.bynumber", numstr, 0));
2N/A}
2N/A
2N/Astatic nis_backend_op_t rpc_ops[] = {
2N/A _nss_nis_destr,
2N/A _nss_nis_endent,
2N/A _nss_nis_setent,
2N/A _nss_nis_getent_netdb,
2N/A getbyname,
2N/A getbynumber
2N/A};
2N/A
2N/A/*ARGSUSED*/
2N/Anss_backend_t *
2N/A_nss_nis_rpc_constr(dummy1, dummy2, dummy3)
2N/A const char *dummy1, *dummy2, *dummy3;
2N/A{
2N/A return (_nss_nis_constr(rpc_ops,
2N/A sizeof (rpc_ops) / sizeof (rpc_ops[0]),
2N/A "rpc.bynumber"));
2N/A}