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 /* 41 * nfs dfshares 42 */ 43 #include <stdio.h> 44 #include <string.h> 45 #include <rpc/rpc.h> 46 #include <rpc/rpcb_clnt.h> 47 #include <sys/socket.h> 48 #include <netdb.h> 49 #include <sys/time.h> 50 #include <sys/errno.h> 51 #include <nfs/nfs.h> 52 #include <rpcsvc/mount.h> 53 54 int hflg; 55 void pr_exports(); 56 void free_ex(); 57 void usage(); 58 59 int 60 main(int argc, char *argv[]) 61 { 62 63 char hostbuf[256]; 64 extern int optind; 65 extern char *optarg; 66 int i, c; 67 68 while ((c = getopt(argc, argv, "h")) != EOF) { 69 switch (c) { 70 case 'h': 71 hflg++; 72 break; 73 default: 74 usage(); 75 exit(1); 76 } 77 } 78 79 if (optind < argc) { 80 for (i = optind; i < argc; i++) 81 pr_exports(argv[i]); 82 } else { 83 if (gethostname(hostbuf, sizeof (hostbuf)) < 0) { 84 perror("nfs dfshares: gethostname"); 85 exit(1); 86 } 87 pr_exports(hostbuf); 88 } 89 90 return (0); 91 } 92 93 struct timeval rpc_totout_new = {15, 0}; 94 95 void 96 pr_exports(host) 97 char *host; 98 { 99 CLIENT *cl; 100 struct exportnode *ex = NULL; 101 enum clnt_stat err; 102 struct timeval tout, rpc_totout_old; 103 104 (void) __rpc_control(CLCR_GET_RPCB_TIMEOUT, &rpc_totout_old); 105 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_new); 106 107 /* 108 * First try circuit, then drop back to datagram if 109 * circuit is unavailable (an old version of mountd perhaps) 110 * Using circuit is preferred because it can handle 111 * arbitrarily long export lists. 112 */ 113 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, "circuit_n"); 114 if (cl == NULL) { 115 if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED) 116 cl = clnt_create(host, MOUNTPROG, MOUNTVERS, 117 "datagram_n"); 118 if (cl == NULL) { 119 (void) fprintf(stderr, "nfs dfshares:"); 120 clnt_pcreateerror(host); 121 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, 122 &rpc_totout_old); 123 exit(1); 124 } 125 } 126 127 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old); 128 tout.tv_sec = 10; 129 tout.tv_usec = 0; 130 131 if (err = clnt_call(cl, MOUNTPROC_EXPORT, xdr_void, 132 0, xdr_exports, (caddr_t)&ex, tout)) { 133 (void) fprintf(stderr, "nfs dfshares: %s\n", clnt_sperrno(err)); 134 clnt_destroy(cl); 135 exit(1); 136 } 137 138 if (ex == NULL) { 139 clnt_destroy(cl); 140 exit(1); 141 } 142 143 if (!hflg) { 144 printf("%-35s %12s %-8s %s\n", 145 "RESOURCE", "SERVER", "ACCESS", "TRANSPORT"); 146 hflg++; 147 } 148 149 while (ex) { 150 printf("%10s:%-24s %12s %-8s %s\n", 151 host, ex->ex_dir, host, " -", " -"); 152 ex = ex->ex_next; 153 } 154 free_ex(ex); 155 clnt_destroy(cl); 156 } 157 158 void 159 free_ex(ex) 160 struct exportnode *ex; 161 { 162 struct groupnode *gr, *tmpgr; 163 struct exportnode *tmpex; 164 165 while (ex) { 166 free(ex->ex_dir); 167 gr = ex->ex_groups; 168 while (gr) { 169 tmpgr = gr->gr_next; 170 free((char *)gr); 171 gr = tmpgr; 172 } 173 tmpex = ex; 174 ex = ex->ex_next; 175 free((char *)tmpex); 176 } 177 } 178 179 void 180 usage() 181 { 182 (void) fprintf(stderr, "Usage: dfshares [-h] [host ...]\n"); 183 } 184