17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*cb5caa98Sdjl * Common Development and Distribution License (the "License").
6*cb5caa98Sdjl * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22*cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23*cb5caa98Sdjl * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate *
257c478bd9Sstevel@tonic-gate * nis/gethostent.c -- "nis" backend for nsswitch "hosts" database
267c478bd9Sstevel@tonic-gate */
277c478bd9Sstevel@tonic-gate
287c478bd9Sstevel@tonic-gate #include <ctype.h>
297c478bd9Sstevel@tonic-gate #include <netdb.h>
307c478bd9Sstevel@tonic-gate #include <stdio.h>
317c478bd9Sstevel@tonic-gate #include <string.h>
327c478bd9Sstevel@tonic-gate #include <netinet/in.h>
337c478bd9Sstevel@tonic-gate #include <arpa/inet.h>
347c478bd9Sstevel@tonic-gate #include <sys/socket.h>
357c478bd9Sstevel@tonic-gate #include "nis_common.h"
367c478bd9Sstevel@tonic-gate #include <stdlib.h>
377c478bd9Sstevel@tonic-gate
387c478bd9Sstevel@tonic-gate static nss_status_t
getbyname(be,a)397c478bd9Sstevel@tonic-gate getbyname(be, a)
407c478bd9Sstevel@tonic-gate nis_backend_ptr_t be;
417c478bd9Sstevel@tonic-gate void *a;
427c478bd9Sstevel@tonic-gate {
43*cb5caa98Sdjl nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
447c478bd9Sstevel@tonic-gate nss_status_t res;
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate const char *s;
477c478bd9Sstevel@tonic-gate char c;
487c478bd9Sstevel@tonic-gate
497c478bd9Sstevel@tonic-gate for (s = argp->key.name; (c = *s) != '\0'; s++) {
507c478bd9Sstevel@tonic-gate if (isupper(c)) {
517c478bd9Sstevel@tonic-gate char *copy;
527c478bd9Sstevel@tonic-gate char *mung;
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate if ((copy = strdup(argp->key.name)) == 0) {
557c478bd9Sstevel@tonic-gate return (NSS_UNAVAIL);
567c478bd9Sstevel@tonic-gate }
577c478bd9Sstevel@tonic-gate for (mung = copy + (s - argp->key.name);
587c478bd9Sstevel@tonic-gate (c = *mung) != '\0'; mung++) {
597c478bd9Sstevel@tonic-gate if (isupper(c)) {
607c478bd9Sstevel@tonic-gate *mung = _tolower(c);
617c478bd9Sstevel@tonic-gate }
627c478bd9Sstevel@tonic-gate }
637c478bd9Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1, "hosts.byname",
647c478bd9Sstevel@tonic-gate copy, 0);
657c478bd9Sstevel@tonic-gate free(copy);
667c478bd9Sstevel@tonic-gate argp->h_errno = __nss2herrno(res);
677c478bd9Sstevel@tonic-gate return (res);
687c478bd9Sstevel@tonic-gate }
697c478bd9Sstevel@tonic-gate }
707c478bd9Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1,
717c478bd9Sstevel@tonic-gate "hosts.byname", argp->key.name, 0);
727c478bd9Sstevel@tonic-gate if (res != NSS_SUCCESS)
737c478bd9Sstevel@tonic-gate argp->h_errno = __nss2herrno(res);
747c478bd9Sstevel@tonic-gate return (res);
757c478bd9Sstevel@tonic-gate }
767c478bd9Sstevel@tonic-gate
777c478bd9Sstevel@tonic-gate static nss_status_t
getbyaddr(be,a)787c478bd9Sstevel@tonic-gate getbyaddr(be, a)
797c478bd9Sstevel@tonic-gate nis_backend_ptr_t be;
807c478bd9Sstevel@tonic-gate void *a;
817c478bd9Sstevel@tonic-gate {
82*cb5caa98Sdjl nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
837c478bd9Sstevel@tonic-gate struct in_addr addr;
847c478bd9Sstevel@tonic-gate char buf[18];
857c478bd9Sstevel@tonic-gate nss_status_t res;
867c478bd9Sstevel@tonic-gate extern char *inet_ntoa_r(); /* not an advertised function from */
877c478bd9Sstevel@tonic-gate /* libnsl (no man page), so no */
887c478bd9Sstevel@tonic-gate /* prototype. */
897c478bd9Sstevel@tonic-gate
907c478bd9Sstevel@tonic-gate /* === Do we really want to be this pedantic? */
917c478bd9Sstevel@tonic-gate if (argp->key.hostaddr.type != AF_INET ||
927c478bd9Sstevel@tonic-gate argp->key.hostaddr.len != sizeof (addr)) {
937c478bd9Sstevel@tonic-gate return (NSS_NOTFOUND);
947c478bd9Sstevel@tonic-gate }
95*cb5caa98Sdjl (void) memcpy(&addr, argp->key.hostaddr.addr, sizeof (addr));
967c478bd9Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1, "hosts.byaddr",
977c478bd9Sstevel@tonic-gate inet_ntoa_r(addr, buf), 0);
987c478bd9Sstevel@tonic-gate if (res != NSS_SUCCESS)
997c478bd9Sstevel@tonic-gate argp->h_errno = __nss2herrno(res);
1007c478bd9Sstevel@tonic-gate return (res);
1017c478bd9Sstevel@tonic-gate }
1027c478bd9Sstevel@tonic-gate
1037c478bd9Sstevel@tonic-gate
1047c478bd9Sstevel@tonic-gate static nis_backend_op_t host_ops[] = {
1057c478bd9Sstevel@tonic-gate _nss_nis_destr,
1067c478bd9Sstevel@tonic-gate _nss_nis_endent,
1077c478bd9Sstevel@tonic-gate _nss_nis_setent,
1087c478bd9Sstevel@tonic-gate _nss_nis_getent_netdb,
1097c478bd9Sstevel@tonic-gate getbyname,
1107c478bd9Sstevel@tonic-gate getbyaddr
1117c478bd9Sstevel@tonic-gate };
1127c478bd9Sstevel@tonic-gate
1137c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1147c478bd9Sstevel@tonic-gate nss_backend_t *
_nss_nis_hosts_constr(dummy1,dummy2,dummy3)1157c478bd9Sstevel@tonic-gate _nss_nis_hosts_constr(dummy1, dummy2, dummy3)
1167c478bd9Sstevel@tonic-gate const char *dummy1, *dummy2, *dummy3;
1177c478bd9Sstevel@tonic-gate {
1187c478bd9Sstevel@tonic-gate return (_nss_nis_constr(host_ops,
1197c478bd9Sstevel@tonic-gate sizeof (host_ops) / sizeof (host_ops[0]),
1207c478bd9Sstevel@tonic-gate "hosts.byaddr"));
1217c478bd9Sstevel@tonic-gate }
122