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
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23*11606941Sjwahlig  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
287c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
327c478bd9Sstevel@tonic-gate  * The Regents of the University of California
337c478bd9Sstevel@tonic-gate  * All Rights Reserved
347c478bd9Sstevel@tonic-gate  *
357c478bd9Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
367c478bd9Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
377c478bd9Sstevel@tonic-gate  * contributors.
387c478bd9Sstevel@tonic-gate  */
397c478bd9Sstevel@tonic-gate 
407c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
417c478bd9Sstevel@tonic-gate 
427c478bd9Sstevel@tonic-gate /*
437c478bd9Sstevel@tonic-gate  * nfs dfshares
447c478bd9Sstevel@tonic-gate  */
457c478bd9Sstevel@tonic-gate #include <stdio.h>
467c478bd9Sstevel@tonic-gate #include <string.h>
477c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
487c478bd9Sstevel@tonic-gate #include <rpc/rpcb_clnt.h>
497c478bd9Sstevel@tonic-gate #include <sys/socket.h>
507c478bd9Sstevel@tonic-gate #include <netdb.h>
517c478bd9Sstevel@tonic-gate #include <sys/time.h>
527c478bd9Sstevel@tonic-gate #include <sys/errno.h>
537c478bd9Sstevel@tonic-gate #include <nfs/nfs.h>
547c478bd9Sstevel@tonic-gate #include <rpcsvc/mount.h>
557c478bd9Sstevel@tonic-gate 
567c478bd9Sstevel@tonic-gate int hflg;
577c478bd9Sstevel@tonic-gate void pr_exports();
587c478bd9Sstevel@tonic-gate void free_ex();
597c478bd9Sstevel@tonic-gate void usage();
607c478bd9Sstevel@tonic-gate 
61*11606941Sjwahlig int
main(int argc,char * argv[])62*11606941Sjwahlig main(int argc, char *argv[])
637c478bd9Sstevel@tonic-gate {
647c478bd9Sstevel@tonic-gate 
657c478bd9Sstevel@tonic-gate 	char hostbuf[256];
667c478bd9Sstevel@tonic-gate 	extern int optind;
677c478bd9Sstevel@tonic-gate 	extern char *optarg;
687c478bd9Sstevel@tonic-gate 	int i, c;
697c478bd9Sstevel@tonic-gate 
707c478bd9Sstevel@tonic-gate 	while ((c = getopt(argc, argv, "h")) != EOF) {
717c478bd9Sstevel@tonic-gate 		switch (c) {
727c478bd9Sstevel@tonic-gate 		case 'h':
737c478bd9Sstevel@tonic-gate 			hflg++;
747c478bd9Sstevel@tonic-gate 			break;
757c478bd9Sstevel@tonic-gate 		default:
767c478bd9Sstevel@tonic-gate 			usage();
777c478bd9Sstevel@tonic-gate 			exit(1);
787c478bd9Sstevel@tonic-gate 		}
797c478bd9Sstevel@tonic-gate 	}
807c478bd9Sstevel@tonic-gate 
817c478bd9Sstevel@tonic-gate 	if (optind < argc) {
827c478bd9Sstevel@tonic-gate 		for (i = optind; i < argc; i++)
837c478bd9Sstevel@tonic-gate 			pr_exports(argv[i]);
847c478bd9Sstevel@tonic-gate 	} else {
857c478bd9Sstevel@tonic-gate 		if (gethostname(hostbuf, sizeof (hostbuf)) < 0) {
867c478bd9Sstevel@tonic-gate 			perror("nfs dfshares: gethostname");
877c478bd9Sstevel@tonic-gate 			exit(1);
887c478bd9Sstevel@tonic-gate 		}
897c478bd9Sstevel@tonic-gate 		pr_exports(hostbuf);
907c478bd9Sstevel@tonic-gate 	}
917c478bd9Sstevel@tonic-gate 
92*11606941Sjwahlig 	return (0);
937c478bd9Sstevel@tonic-gate }
947c478bd9Sstevel@tonic-gate 
957c478bd9Sstevel@tonic-gate struct	timeval	rpc_totout_new = {15, 0};
967c478bd9Sstevel@tonic-gate 
977c478bd9Sstevel@tonic-gate void
pr_exports(host)987c478bd9Sstevel@tonic-gate pr_exports(host)
997c478bd9Sstevel@tonic-gate 	char *host;
1007c478bd9Sstevel@tonic-gate {
1017c478bd9Sstevel@tonic-gate 	CLIENT *cl;
1027c478bd9Sstevel@tonic-gate 	struct exportnode *ex = NULL;
1037c478bd9Sstevel@tonic-gate 	enum clnt_stat err;
1047c478bd9Sstevel@tonic-gate 	struct	timeval	tout, rpc_totout_old;
1057c478bd9Sstevel@tonic-gate 
1067c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_GET_RPCB_TIMEOUT, &rpc_totout_old);
1077c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_new);
1087c478bd9Sstevel@tonic-gate 
1097c478bd9Sstevel@tonic-gate 	/*
1107c478bd9Sstevel@tonic-gate 	 * First try circuit, then drop back to datagram if
1117c478bd9Sstevel@tonic-gate 	 * circuit is unavailable (an old version of mountd perhaps)
1127c478bd9Sstevel@tonic-gate 	 * Using circuit is preferred because it can handle
1137c478bd9Sstevel@tonic-gate 	 * arbitrarily long export lists.
1147c478bd9Sstevel@tonic-gate 	 */
1157c478bd9Sstevel@tonic-gate 	cl = clnt_create(host, MOUNTPROG, MOUNTVERS, "circuit_n");
1167c478bd9Sstevel@tonic-gate 	if (cl == NULL) {
1177c478bd9Sstevel@tonic-gate 		if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED)
1187c478bd9Sstevel@tonic-gate 			cl = clnt_create(host, MOUNTPROG, MOUNTVERS,
1197c478bd9Sstevel@tonic-gate 					"datagram_n");
1207c478bd9Sstevel@tonic-gate 		if (cl == NULL) {
1217c478bd9Sstevel@tonic-gate 			(void) fprintf(stderr, "nfs dfshares:");
1227c478bd9Sstevel@tonic-gate 			clnt_pcreateerror(host);
1237c478bd9Sstevel@tonic-gate 			(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT,
1247c478bd9Sstevel@tonic-gate 				&rpc_totout_old);
1257c478bd9Sstevel@tonic-gate 			exit(1);
1267c478bd9Sstevel@tonic-gate 		}
1277c478bd9Sstevel@tonic-gate 	}
1287c478bd9Sstevel@tonic-gate 
1297c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old);
1307c478bd9Sstevel@tonic-gate 	tout.tv_sec = 10;
1317c478bd9Sstevel@tonic-gate 	tout.tv_usec = 0;
1327c478bd9Sstevel@tonic-gate 
1337c478bd9Sstevel@tonic-gate 	if (err = clnt_call(cl, MOUNTPROC_EXPORT, xdr_void,
134*11606941Sjwahlig 	    0, xdr_exports, (caddr_t)&ex, tout)) {
1357c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, "nfs dfshares: %s\n", clnt_sperrno(err));
1367c478bd9Sstevel@tonic-gate 		clnt_destroy(cl);
1377c478bd9Sstevel@tonic-gate 		exit(1);
1387c478bd9Sstevel@tonic-gate 	}
1397c478bd9Sstevel@tonic-gate 
1407c478bd9Sstevel@tonic-gate 	if (ex == NULL) {
1417c478bd9Sstevel@tonic-gate 		clnt_destroy(cl);
1427c478bd9Sstevel@tonic-gate 		exit(1);
1437c478bd9Sstevel@tonic-gate 	}
1447c478bd9Sstevel@tonic-gate 
1457c478bd9Sstevel@tonic-gate 	if (!hflg) {
1467c478bd9Sstevel@tonic-gate 		printf("%-35s %12s %-8s  %s\n",
1477c478bd9Sstevel@tonic-gate 			"RESOURCE", "SERVER", "ACCESS", "TRANSPORT");
1487c478bd9Sstevel@tonic-gate 		hflg++;
1497c478bd9Sstevel@tonic-gate 	}
1507c478bd9Sstevel@tonic-gate 
1517c478bd9Sstevel@tonic-gate 	while (ex) {
1527c478bd9Sstevel@tonic-gate 		printf("%10s:%-24s %12s %-8s  %s\n",
1537c478bd9Sstevel@tonic-gate 			host, ex->ex_dir, host, " -", " -");
1547c478bd9Sstevel@tonic-gate 		ex = ex->ex_next;
1557c478bd9Sstevel@tonic-gate 	}
1567c478bd9Sstevel@tonic-gate 	free_ex(ex);
1577c478bd9Sstevel@tonic-gate 	clnt_destroy(cl);
1587c478bd9Sstevel@tonic-gate }
1597c478bd9Sstevel@tonic-gate 
1607c478bd9Sstevel@tonic-gate void
free_ex(ex)1617c478bd9Sstevel@tonic-gate free_ex(ex)
1627c478bd9Sstevel@tonic-gate 	struct exportnode *ex;
1637c478bd9Sstevel@tonic-gate {
1647c478bd9Sstevel@tonic-gate 	struct groupnode *gr, *tmpgr;
1657c478bd9Sstevel@tonic-gate 	struct exportnode *tmpex;
1667c478bd9Sstevel@tonic-gate 
1677c478bd9Sstevel@tonic-gate 	while (ex) {
1687c478bd9Sstevel@tonic-gate 		free(ex->ex_dir);
1697c478bd9Sstevel@tonic-gate 		gr = ex->ex_groups;
1707c478bd9Sstevel@tonic-gate 		while (gr) {
1717c478bd9Sstevel@tonic-gate 			tmpgr = gr->gr_next;
1727c478bd9Sstevel@tonic-gate 			free((char *)gr);
1737c478bd9Sstevel@tonic-gate 			gr = tmpgr;
1747c478bd9Sstevel@tonic-gate 		}
1757c478bd9Sstevel@tonic-gate 		tmpex = ex;
1767c478bd9Sstevel@tonic-gate 		ex = ex->ex_next;
1777c478bd9Sstevel@tonic-gate 		free((char *)tmpex);
1787c478bd9Sstevel@tonic-gate 	}
1797c478bd9Sstevel@tonic-gate }
1807c478bd9Sstevel@tonic-gate 
1817c478bd9Sstevel@tonic-gate void
usage()1827c478bd9Sstevel@tonic-gate usage()
1837c478bd9Sstevel@tonic-gate {
1847c478bd9Sstevel@tonic-gate 	(void) fprintf(stderr, "Usage: dfshares [-h] [host ...]\n");
1857c478bd9Sstevel@tonic-gate }
186