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 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 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 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 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 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 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