1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /* 43 * nfs dfshares 44 */ 45 #include <stdio.h> 46 #include <string.h> 47 #include <rpc/rpc.h> 48 #include <rpc/rpcb_clnt.h> 49 #include <sys/socket.h> 50 #include <netdb.h> 51 #include <sys/time.h> 52 #include <sys/errno.h> 53 #include <nfs/nfs.h> 54 #include <rpcsvc/mount.h> 55 56 int hflg; 57 void pr_exports(); 58 void free_ex(); 59 void usage(); 60 61 main(argc, argv) 62 int argc; 63 char **argv; 64 { 65 66 char hostbuf[256]; 67 extern int optind; 68 extern char *optarg; 69 int i, c; 70 71 while ((c = getopt(argc, argv, "h")) != EOF) { 72 switch (c) { 73 case 'h': 74 hflg++; 75 break; 76 default: 77 usage(); 78 exit(1); 79 } 80 } 81 82 if (optind < argc) { 83 for (i = optind; i < argc; i++) 84 pr_exports(argv[i]); 85 } else { 86 if (gethostname(hostbuf, sizeof (hostbuf)) < 0) { 87 perror("nfs dfshares: gethostname"); 88 exit(1); 89 } 90 pr_exports(hostbuf); 91 } 92 93 exit(0); 94 } 95 96 struct timeval rpc_totout_new = {15, 0}; 97 98 void 99 pr_exports(host) 100 char *host; 101 { 102 CLIENT *cl; 103 struct exportnode *ex = NULL; 104 enum clnt_stat err; 105 struct timeval tout, rpc_totout_old; 106 107 (void) __rpc_control(CLCR_GET_RPCB_TIMEOUT, &rpc_totout_old); 108 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_new); 109 110 /* 111 * First try circuit, then drop back to datagram if 112 * circuit is unavailable (an old version of mountd perhaps) 113 * Using circuit is preferred because it can handle 114 * arbitrarily long export lists. 115 */ 116 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, "circuit_n"); 117 if (cl == NULL) { 118 if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED) 119 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, 120 "datagram_n"); 121 if (cl == NULL) { 122 (void) fprintf(stderr, "nfs dfshares:"); 123 clnt_pcreateerror(host); 124 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, 125 &rpc_totout_old); 126 exit(1); 127 } 128 } 129 130 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old); 131 tout.tv_sec = 10; 132 tout.tv_usec = 0; 133 134 if (err = clnt_call(cl, MOUNTPROC_EXPORT, xdr_void, 135 0, xdr_exports, (caddr_t) &ex, tout)) { 136 (void) fprintf(stderr, "nfs dfshares: %s\n", clnt_sperrno(err)); 137 clnt_destroy(cl); 138 exit(1); 139 } 140 141 if (ex == NULL) { 142 clnt_destroy(cl); 143 exit(1); 144 } 145 146 if (!hflg) { 147 printf("%-35s %12s %-8s %s\n", 148 "RESOURCE", "SERVER", "ACCESS", "TRANSPORT"); 149 hflg++; 150 } 151 152 while (ex) { 153 printf("%10s:%-24s %12s %-8s %s\n", 154 host, ex->ex_dir, host, " -", " -"); 155 ex = ex->ex_next; 156 } 157 free_ex(ex); 158 clnt_destroy(cl); 159 } 160 161 void 162 free_ex(ex) 163 struct exportnode *ex; 164 { 165 struct groupnode *gr, *tmpgr; 166 struct exportnode *tmpex; 167 168 while (ex) { 169 free(ex->ex_dir); 170 gr = ex->ex_groups; 171 while (gr) { 172 tmpgr = gr->gr_next; 173 free((char *)gr); 174 gr = tmpgr; 175 } 176 tmpex = ex; 177 ex = ex->ex_next; 178 free((char *)tmpex); 179 } 180 } 181 182 void 183 usage() 184 { 185 (void) fprintf(stderr, "Usage: dfshares [-h] [host ...]\n"); 186 } 187