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 <stdarg.h> 45 #include <stdlib.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 <errno.h> 53 #include <nfs/nfs.h> 54 #include <rpcsvc/mount.h> 55 #include <unistd.h> 56 #include <clnt_subr.h> 57 58 int hflg; 59 void pr_exports(char *); 60 void free_ex(struct exportnode *); 61 void usage(void); 62 63 int 64 main(int argc, char *argv[]) 65 { 66 char hostbuf[256]; 67 int i, c; 68 69 while ((c = getopt(argc, argv, "h")) != EOF) { 70 switch (c) { 71 case 'h': 72 hflg++; 73 break; 74 default: 75 usage(); 76 exit(1); 77 } 78 } 79 80 if (optind < argc) { 81 for (i = optind; i < argc; i++) 82 pr_exports(argv[i]); 83 } else { 84 if (gethostname(hostbuf, sizeof (hostbuf)) < 0) { 85 pr_err("gethostname: %s\n", strerror(errno)); 86 exit(1); 87 } 88 pr_exports(hostbuf); 89 } 90 91 return (0); 92 } 93 94 struct timeval rpc_totout_new = {15, 0}; 95 96 void 97 pr_exports(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 cl = mountprog_client_create(host, &rpc_totout_old); 108 if (cl == NULL) { 109 exit(1); 110 } 111 112 (void) __rpc_control(CLCR_SET_RPCB_TIMEOUT, &rpc_totout_old); 113 tout.tv_sec = 10; 114 tout.tv_usec = 0; 115 116 err = clnt_call(cl, MOUNTPROC_EXPORT, xdr_void, 0, xdr_exports, 117 (caddr_t)&ex, tout); 118 if (err != 0) { 119 pr_err("%s\n", clnt_sperrno(err)); 120 clnt_destroy(cl); 121 exit(1); 122 } 123 124 if (ex == NULL) { 125 clnt_destroy(cl); 126 exit(1); 127 } 128 129 if (!hflg) { 130 printf("%-35s %12s %-8s %s\n", 131 "RESOURCE", "SERVER", "ACCESS", "TRANSPORT"); 132 hflg++; 133 } 134 135 while (ex) { 136 printf("%10s:%-24s %12s %-8s %s\n", 137 host, ex->ex_dir, host, " -", " -"); 138 ex = ex->ex_next; 139 } 140 free_ex(ex); 141 clnt_destroy(cl); 142 } 143 144 void 145 free_ex(struct exportnode *ex) 146 { 147 struct groupnode *gr, *tmpgr; 148 struct exportnode *tmpex; 149 150 while (ex) { 151 free(ex->ex_dir); 152 gr = ex->ex_groups; 153 while (gr) { 154 tmpgr = gr->gr_next; 155 free(gr); 156 gr = tmpgr; 157 } 158 tmpex = ex; 159 ex = ex->ex_next; 160 free(tmpex); 161 } 162 } 163 164 void 165 usage(void) 166 { 167 (void) fprintf(stderr, "Usage: dfshares [-h] [host ...]\n"); 168 } 169 170 void 171 pr_err(char *fmt, ...) 172 { 173 va_list ap; 174 175 va_start(ap, fmt); 176 (void) fprintf(stderr, "nfs dfshares: "); 177 (void) vfprintf(stderr, fmt, ap); 178 va_end(ap); 179 } 180