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 2005 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 int 62 main(int argc, char *argv[]) 63 { 64 65 char hostbuf[256]; 66 extern int optind; 67 extern char *optarg; 68 int i, c; 69 70 while ((c = getopt(argc, argv, "h")) != EOF) { 71 switch (c) { 72 case 'h': 73 hflg++; 74 break; 75 default: 76 usage(); 77 exit(1); 78 } 79 } 80 81 if (optind < argc) { 82 for (i = optind; i < argc; i++) 83 pr_exports(argv[i]); 84 } else { 85 if (gethostname(hostbuf, sizeof (hostbuf)) < 0) { 86 perror("nfs dfshares: gethostname"); 87 exit(1); 88 } 89 pr_exports(hostbuf); 90 } 91 92 return (0); 93 } 94 95 struct timeval rpc_totout_new = {15, 0}; 96 97 void 98 pr_exports(host) 99 char *host; 100 { 101 CLIENT *cl; 102 struct exportnode *ex = NULL; 103 enum clnt_stat err; 104 struct timeval tout, rpc_totout_old; 105 106 (void) __rpc_control(CLCR_GET_RPCB_TIMEOUT, &rpc_totout_old); 107 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_new); 108 109 /* 110 * First try circuit, then drop back to datagram if 111 * circuit is unavailable (an old version of mountd perhaps) 112 * Using circuit is preferred because it can handle 113 * arbitrarily long export lists. 114 */ 115 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, "circuit_n"); 116 if (cl == NULL) { 117 if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED) 118 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, 119 "datagram_n"); 120 if (cl == NULL) { 121 (void) fprintf(stderr, "nfs dfshares:"); 122 clnt_pcreateerror(host); 123 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, 124 &rpc_totout_old); 125 exit(1); 126 } 127 } 128 129 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old); 130 tout.tv_sec = 10; 131 tout.tv_usec = 0; 132 133 if (err = clnt_call(cl, MOUNTPROC_EXPORT, xdr_void, 134 0, xdr_exports, (caddr_t)&ex, tout)) { 135 (void) fprintf(stderr, "nfs dfshares: %s\n", clnt_sperrno(err)); 136 clnt_destroy(cl); 137 exit(1); 138 } 139 140 if (ex == NULL) { 141 clnt_destroy(cl); 142 exit(1); 143 } 144 145 if (!hflg) { 146 printf("%-35s %12s %-8s %s\n", 147 "RESOURCE", "SERVER", "ACCESS", "TRANSPORT"); 148 hflg++; 149 } 150 151 while (ex) { 152 printf("%10s:%-24s %12s %-8s %s\n", 153 host, ex->ex_dir, host, " -", " -"); 154 ex = ex->ex_next; 155 } 156 free_ex(ex); 157 clnt_destroy(cl); 158 } 159 160 void 161 free_ex(ex) 162 struct exportnode *ex; 163 { 164 struct groupnode *gr, *tmpgr; 165 struct exportnode *tmpex; 166 167 while (ex) { 168 free(ex->ex_dir); 169 gr = ex->ex_groups; 170 while (gr) { 171 tmpgr = gr->gr_next; 172 free((char *)gr); 173 gr = tmpgr; 174 } 175 tmpex = ex; 176 ex = ex->ex_next; 177 free((char *)tmpex); 178 } 179 } 180 181 void 182 usage() 183 { 184 (void) fprintf(stderr, "Usage: dfshares [-h] [host ...]\n"); 185 } 186