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 dfmounts
447c478bd9Sstevel@tonic-gate  */
457c478bd9Sstevel@tonic-gate #include <stdio.h>
467c478bd9Sstevel@tonic-gate #include <stdlib.h>
477c478bd9Sstevel@tonic-gate #include <stdarg.h>
487c478bd9Sstevel@tonic-gate #include <string.h>
497c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
507c478bd9Sstevel@tonic-gate #include <rpc/rpcb_clnt.h>
517c478bd9Sstevel@tonic-gate #include <sys/socket.h>
527c478bd9Sstevel@tonic-gate #include <netdb.h>
537c478bd9Sstevel@tonic-gate #include <sys/time.h>
547c478bd9Sstevel@tonic-gate #include <sys/errno.h>
557c478bd9Sstevel@tonic-gate #include <nfs/nfs.h>
567c478bd9Sstevel@tonic-gate #include <rpcsvc/mount.h>
577c478bd9Sstevel@tonic-gate #include <locale.h>
587c478bd9Sstevel@tonic-gate 
597c478bd9Sstevel@tonic-gate static int hflg;
607c478bd9Sstevel@tonic-gate 
617c478bd9Sstevel@tonic-gate static void pr_mounts(char *);
627c478bd9Sstevel@tonic-gate static void freemntlist(struct mountbody *);
637c478bd9Sstevel@tonic-gate static int sortpath(const void *, const void *);
647c478bd9Sstevel@tonic-gate static void usage(void);
657c478bd9Sstevel@tonic-gate static void pr_err(char *, ...);
667c478bd9Sstevel@tonic-gate 
67*11606941Sjwahlig int
main(int argc,char * argv[])68*11606941Sjwahlig main(int argc, char *argv[])
697c478bd9Sstevel@tonic-gate {
707c478bd9Sstevel@tonic-gate 
717c478bd9Sstevel@tonic-gate 	char hostbuf[256];
727c478bd9Sstevel@tonic-gate 	extern int optind;
737c478bd9Sstevel@tonic-gate 	int i, c;
747c478bd9Sstevel@tonic-gate 
757c478bd9Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
767c478bd9Sstevel@tonic-gate 
777c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)
787c478bd9Sstevel@tonic-gate #define	TEXT_DOMAIN "SYS_TEST"
797c478bd9Sstevel@tonic-gate #endif
807c478bd9Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
817c478bd9Sstevel@tonic-gate 
827c478bd9Sstevel@tonic-gate 	while ((c = getopt(argc, argv, "h")) != EOF) {
837c478bd9Sstevel@tonic-gate 		switch (c) {
847c478bd9Sstevel@tonic-gate 		case 'h':
857c478bd9Sstevel@tonic-gate 			hflg++;
867c478bd9Sstevel@tonic-gate 			break;
877c478bd9Sstevel@tonic-gate 		default:
887c478bd9Sstevel@tonic-gate 			usage();
897c478bd9Sstevel@tonic-gate 			exit(1);
907c478bd9Sstevel@tonic-gate 		}
917c478bd9Sstevel@tonic-gate 	}
927c478bd9Sstevel@tonic-gate 
937c478bd9Sstevel@tonic-gate 	if (optind < argc) {
947c478bd9Sstevel@tonic-gate 		for (i = optind; i < argc; i++)
957c478bd9Sstevel@tonic-gate 			pr_mounts(argv[i]);
967c478bd9Sstevel@tonic-gate 	} else {
977c478bd9Sstevel@tonic-gate 		if (gethostname(hostbuf, sizeof (hostbuf)) < 0) {
987c478bd9Sstevel@tonic-gate 			perror("nfs dfmounts: gethostname");
997c478bd9Sstevel@tonic-gate 			exit(1);
1007c478bd9Sstevel@tonic-gate 		}
1017c478bd9Sstevel@tonic-gate 		pr_mounts(hostbuf);
1027c478bd9Sstevel@tonic-gate 	}
1037c478bd9Sstevel@tonic-gate 
1047c478bd9Sstevel@tonic-gate 	return (0);
1057c478bd9Sstevel@tonic-gate }
1067c478bd9Sstevel@tonic-gate 
1077c478bd9Sstevel@tonic-gate #define	NTABLEENTRIES	2048
1087c478bd9Sstevel@tonic-gate static struct mountbody *table[NTABLEENTRIES];
1097c478bd9Sstevel@tonic-gate static struct timeval	rpc_totout_new = {15, 0};
1107c478bd9Sstevel@tonic-gate 
1117c478bd9Sstevel@tonic-gate /*
1127c478bd9Sstevel@tonic-gate  * Print the filesystems on "host" that are currently mounted by a client.
1137c478bd9Sstevel@tonic-gate  */
1147c478bd9Sstevel@tonic-gate 
1157c478bd9Sstevel@tonic-gate static void
pr_mounts(host)1167c478bd9Sstevel@tonic-gate pr_mounts(host)
1177c478bd9Sstevel@tonic-gate 	char *host;
1187c478bd9Sstevel@tonic-gate {
1197c478bd9Sstevel@tonic-gate 	CLIENT *cl;
1207c478bd9Sstevel@tonic-gate 	struct mountbody *ml = NULL;
1217c478bd9Sstevel@tonic-gate 	struct mountbody **tb, **endtb;
1227c478bd9Sstevel@tonic-gate 	enum clnt_stat err;
1237c478bd9Sstevel@tonic-gate 	char *lastpath;
1247c478bd9Sstevel@tonic-gate 	char *lastclient;
1257c478bd9Sstevel@tonic-gate 	int tail = 0;
1267c478bd9Sstevel@tonic-gate 	struct	timeval	tout, rpc_totout_old;
1277c478bd9Sstevel@tonic-gate 
1287c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_GET_RPCB_TIMEOUT, &rpc_totout_old);
1297c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_new);
1307c478bd9Sstevel@tonic-gate 
1317c478bd9Sstevel@tonic-gate 	/*
1327c478bd9Sstevel@tonic-gate 	 * First try circuit, then drop back to datagram if
1337c478bd9Sstevel@tonic-gate 	 * circuit is unavailable (an old version of mountd perhaps)
1347c478bd9Sstevel@tonic-gate 	 * Using circuit is preferred because it can handle
1357c478bd9Sstevel@tonic-gate 	 * arbitrarily long export lists.
1367c478bd9Sstevel@tonic-gate 	 */
1377c478bd9Sstevel@tonic-gate 	cl = clnt_create(host, MOUNTPROG, MOUNTVERS, "circuit_n");
1387c478bd9Sstevel@tonic-gate 	if (cl == NULL) {
1397c478bd9Sstevel@tonic-gate 		if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED)
1407c478bd9Sstevel@tonic-gate 			cl = clnt_create(host, MOUNTPROG, MOUNTVERS,
1417c478bd9Sstevel@tonic-gate 					"datagram_n");
1427c478bd9Sstevel@tonic-gate 		if (cl == NULL) {
1437c478bd9Sstevel@tonic-gate 			pr_err(gettext("can't contact server: %s\n"),
1447c478bd9Sstevel@tonic-gate 				clnt_spcreateerror(host));
1457c478bd9Sstevel@tonic-gate 			(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT,
1467c478bd9Sstevel@tonic-gate 						&rpc_totout_old);
1477c478bd9Sstevel@tonic-gate 			return;
1487c478bd9Sstevel@tonic-gate 		}
1497c478bd9Sstevel@tonic-gate 	}
1507c478bd9Sstevel@tonic-gate 
1517c478bd9Sstevel@tonic-gate 	(void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old);
1527c478bd9Sstevel@tonic-gate 	tout.tv_sec = 10;
1537c478bd9Sstevel@tonic-gate 	tout.tv_usec = 0;
1547c478bd9Sstevel@tonic-gate 
1557c478bd9Sstevel@tonic-gate 	if (err = clnt_call(cl, MOUNTPROC_DUMP, xdr_void,
156*11606941Sjwahlig 			    0, xdr_mountlist, (caddr_t)&ml, tout)) {
1577c478bd9Sstevel@tonic-gate 		pr_err("%s\n", clnt_sperrno(err));
1587c478bd9Sstevel@tonic-gate 		clnt_destroy(cl);
1597c478bd9Sstevel@tonic-gate 		return;
1607c478bd9Sstevel@tonic-gate 	}
1617c478bd9Sstevel@tonic-gate 
1627c478bd9Sstevel@tonic-gate 	if (ml == NULL)
1637c478bd9Sstevel@tonic-gate 		return;	/* no mounts */
1647c478bd9Sstevel@tonic-gate 
1657c478bd9Sstevel@tonic-gate 	if (!hflg) {
1667c478bd9Sstevel@tonic-gate 		printf("%-8s %10s %-24s  %s",
1677c478bd9Sstevel@tonic-gate 			gettext("RESOURCE"), gettext("SERVER"),
1687c478bd9Sstevel@tonic-gate 			gettext("PATHNAME"), gettext("CLIENTS"));
1697c478bd9Sstevel@tonic-gate 		hflg++;
1707c478bd9Sstevel@tonic-gate 	}
1717c478bd9Sstevel@tonic-gate 
1727c478bd9Sstevel@tonic-gate 	/*
1737c478bd9Sstevel@tonic-gate 	 * Create an array describing the mounts, so that we can sort them.
1747c478bd9Sstevel@tonic-gate 	 */
1757c478bd9Sstevel@tonic-gate 	tb = table;
1767c478bd9Sstevel@tonic-gate 	for (; ml != NULL && tb < &table[NTABLEENTRIES]; ml = ml->ml_next)
1777c478bd9Sstevel@tonic-gate 		*tb++ = ml;
1787c478bd9Sstevel@tonic-gate 	if (ml != NULL && tb == &table[NTABLEENTRIES])
1797c478bd9Sstevel@tonic-gate 		pr_err(gettext("table overflow:  only %d entries shown\n"),
1807c478bd9Sstevel@tonic-gate 			NTABLEENTRIES);
1817c478bd9Sstevel@tonic-gate 	endtb = tb;
1827c478bd9Sstevel@tonic-gate 	qsort(table, endtb - table, sizeof (struct mountbody *), sortpath);
1837c478bd9Sstevel@tonic-gate 
1847c478bd9Sstevel@tonic-gate 	/*
1857c478bd9Sstevel@tonic-gate 	 * Print out the sorted array.  Group entries for the same
1867c478bd9Sstevel@tonic-gate 	 * filesystem together, and ignore duplicate entries.
1877c478bd9Sstevel@tonic-gate 	 */
1887c478bd9Sstevel@tonic-gate 	lastpath = "";
1897c478bd9Sstevel@tonic-gate 	lastclient = "";
1907c478bd9Sstevel@tonic-gate 	for (tb = table; tb < endtb; tb++) {
1917c478bd9Sstevel@tonic-gate 		if (*((*tb)->ml_directory) == '\0' ||
1927c478bd9Sstevel@tonic-gate 		    *((*tb)->ml_hostname) == '\0')
1937c478bd9Sstevel@tonic-gate 			continue;
1947c478bd9Sstevel@tonic-gate 		if (strcmp(lastpath, (*tb)->ml_directory) == 0) {
1957c478bd9Sstevel@tonic-gate 			if (strcmp(lastclient, (*tb)->ml_hostname) == 0) {
1967c478bd9Sstevel@tonic-gate 				continue; 	/* ignore duplicate */
1977c478bd9Sstevel@tonic-gate 			}
1987c478bd9Sstevel@tonic-gate 		} else {
1997c478bd9Sstevel@tonic-gate 			printf("\n%-8s %10s %-24s ",
2007c478bd9Sstevel@tonic-gate 				"  -", host, (*tb)->ml_directory);
2017c478bd9Sstevel@tonic-gate 			lastpath = (*tb)->ml_directory;
2027c478bd9Sstevel@tonic-gate 			tail = 0;
2037c478bd9Sstevel@tonic-gate 		}
2047c478bd9Sstevel@tonic-gate 		if (tail++)
2057c478bd9Sstevel@tonic-gate 			printf(",");
2067c478bd9Sstevel@tonic-gate 		printf("%s", (*tb)->ml_hostname);
2077c478bd9Sstevel@tonic-gate 		lastclient = (*tb)->ml_hostname;
2087c478bd9Sstevel@tonic-gate 	}
2097c478bd9Sstevel@tonic-gate 	printf("\n");
2107c478bd9Sstevel@tonic-gate 
2117c478bd9Sstevel@tonic-gate 	freemntlist(ml);
2127c478bd9Sstevel@tonic-gate 	clnt_destroy(cl);
2137c478bd9Sstevel@tonic-gate }
2147c478bd9Sstevel@tonic-gate 
2157c478bd9Sstevel@tonic-gate static void
freemntlist(ml)2167c478bd9Sstevel@tonic-gate freemntlist(ml)
2177c478bd9Sstevel@tonic-gate 	struct mountbody *ml;
2187c478bd9Sstevel@tonic-gate {
2197c478bd9Sstevel@tonic-gate 	register struct mountbody *old;
2207c478bd9Sstevel@tonic-gate 
2217c478bd9Sstevel@tonic-gate 	while (ml) {
2227c478bd9Sstevel@tonic-gate 		if (ml->ml_hostname)
2237c478bd9Sstevel@tonic-gate 			free(ml->ml_hostname);
2247c478bd9Sstevel@tonic-gate 		if (ml->ml_directory)
2257c478bd9Sstevel@tonic-gate 			free(ml->ml_directory);
2267c478bd9Sstevel@tonic-gate 		old = ml;
2277c478bd9Sstevel@tonic-gate 		ml = ml->ml_next;
2287c478bd9Sstevel@tonic-gate 		free(old);
2297c478bd9Sstevel@tonic-gate 	}
2307c478bd9Sstevel@tonic-gate }
2317c478bd9Sstevel@tonic-gate 
2327c478bd9Sstevel@tonic-gate /*
2337c478bd9Sstevel@tonic-gate  * Compare two structs for mounted filesystems.  The primary sort key is
2347c478bd9Sstevel@tonic-gate  * the name of the exported filesystem.  There is also a secondary sort on
2357c478bd9Sstevel@tonic-gate  * the name of the client, so that duplicate entries (same path and
2367c478bd9Sstevel@tonic-gate  * hostname) will sort together.
2377c478bd9Sstevel@tonic-gate  *
2387c478bd9Sstevel@tonic-gate  * Returns < 0 if the first entry sorts before the second entry, 0 if they
2397c478bd9Sstevel@tonic-gate  * sort the same, and > 0 if the first entry sorts after the second entry.
2407c478bd9Sstevel@tonic-gate  */
2417c478bd9Sstevel@tonic-gate 
2427c478bd9Sstevel@tonic-gate static int
sortpath(a,b)2437c478bd9Sstevel@tonic-gate sortpath(a, b)
2447c478bd9Sstevel@tonic-gate 	const void *a, *b;
2457c478bd9Sstevel@tonic-gate {
2467c478bd9Sstevel@tonic-gate 	const struct mountbody **m1, **m2;
2477c478bd9Sstevel@tonic-gate 	int result;
2487c478bd9Sstevel@tonic-gate 
2497c478bd9Sstevel@tonic-gate 	m1 = (const struct mountbody **)a;
2507c478bd9Sstevel@tonic-gate 	m2 = (const struct mountbody **)b;
2517c478bd9Sstevel@tonic-gate 
2527c478bd9Sstevel@tonic-gate 	result = strcmp((*m1)->ml_directory, (*m2)->ml_directory);
2537c478bd9Sstevel@tonic-gate 	if (result == 0) {
2547c478bd9Sstevel@tonic-gate 		result = strcmp((*m1)->ml_hostname, (*m2)->ml_hostname);
2557c478bd9Sstevel@tonic-gate 	}
2567c478bd9Sstevel@tonic-gate 
2577c478bd9Sstevel@tonic-gate 	return (result);
2587c478bd9Sstevel@tonic-gate }
2597c478bd9Sstevel@tonic-gate 
2607c478bd9Sstevel@tonic-gate static void
usage()2617c478bd9Sstevel@tonic-gate usage()
2627c478bd9Sstevel@tonic-gate {
2637c478bd9Sstevel@tonic-gate 	(void) fprintf(stderr, gettext("Usage: dfmounts [-h] [host ...]\n"));
2647c478bd9Sstevel@tonic-gate }
2657c478bd9Sstevel@tonic-gate 
2667c478bd9Sstevel@tonic-gate /* VARARGS1 */
2677c478bd9Sstevel@tonic-gate static void
pr_err(char * fmt,...)2687c478bd9Sstevel@tonic-gate pr_err(char *fmt, ...)
2697c478bd9Sstevel@tonic-gate {
2707c478bd9Sstevel@tonic-gate 	va_list ap;
2717c478bd9Sstevel@tonic-gate 
2727c478bd9Sstevel@tonic-gate 	va_start(ap, fmt);
2737c478bd9Sstevel@tonic-gate 	(void) fprintf(stderr, "nfs dfmounts: ");
2747c478bd9Sstevel@tonic-gate 	(void) vfprintf(stderr, fmt, ap);
2757c478bd9Sstevel@tonic-gate 	va_end(ap);
2767c478bd9Sstevel@tonic-gate }
277