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 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <stdio.h> 34 #include <stdlib.h> 35 #include <signal.h> 36 #include <string.h> 37 #include <unistd.h> 38 #include <errno.h> 39 #include <sys/mnttab.h> 40 #include <sys/mount.h> 41 #include <sys/types.h> 42 #include <locale.h> 43 #include <fslib.h> 44 45 #define NAME_MAX 64 /* sizeof "fstype myname" */ 46 47 #define FSTYPE "fd" 48 49 static char optbuf[MAX_MNTOPT_STR] = { '\0', }; 50 static int optsize = 0; 51 52 static int flags = 0; 53 static int mflg = 0; 54 static int qflg = 0; 55 56 static char typename[NAME_MAX], *myname; 57 static char fstype[] = FSTYPE; 58 59 static void usage(void); 60 static void do_mount(char *, char *, int); 61 62 int 63 main(int argc, char **argv) 64 { 65 char *special, *mountp; 66 int errflag = 0; 67 int cc; 68 69 (void) setlocale(LC_ALL, ""); 70 71 #if !defined(TEXT_DOMAIN) 72 #define TEXT_DOMAIN "SYS_TEST" 73 #endif 74 (void) textdomain(TEXT_DOMAIN); 75 76 myname = strrchr(argv[0], '/'); 77 if (myname) 78 myname++; 79 else 80 myname = argv[0]; 81 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname); 82 argv[0] = typename; 83 84 /* 85 * check for proper arguments 86 */ 87 88 while ((cc = getopt(argc, argv, "o:rmOq")) != -1) 89 switch (cc) { 90 case 'r': 91 if (flags & MS_RDONLY) 92 errflag = 1; 93 else 94 flags |= MS_RDONLY; 95 break; 96 case 'O': 97 flags |= MS_OVERLAY; 98 break; 99 case 'q': 100 qflg = 1; 101 break; 102 case 'm': 103 mflg++; 104 break; 105 case 'o': 106 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >= 107 sizeof (optbuf)) { 108 (void) fprintf(stderr, 109 gettext("%s: Invalid argument: %s\n"), 110 myname, optarg); 111 return (2); 112 } 113 optsize = strlen(optbuf); 114 break; 115 default: 116 case '?': 117 errflag = 1; 118 break; 119 } 120 121 /* 122 * There must be at least 2 more arguments, the 123 * special file and the directory. 124 */ 125 126 if (((argc - optind) != 2) || (errflag)) 127 usage(); 128 129 special = argv[optind++]; 130 mountp = argv[optind++]; 131 132 /* 133 * Perform the mount. 134 * Only the low-order bit of "flags" is used by the system 135 * calls (to denote read-only or read-write). 136 */ 137 if (mflg) 138 flags |= MS_NOMNTTAB; 139 do_mount(special, mountp, flags); 140 exit(0); 141 /* NOTREACHED */ 142 } 143 144 static void 145 rpterr(char *bs, char *mp) 146 { 147 switch (errno) { 148 case EPERM: 149 (void) fprintf(stderr, 150 gettext("%s: insufficient privileges\n"), myname); 151 break; 152 case ENXIO: 153 (void) fprintf(stderr, 154 gettext("%s: %s no such device\n"), myname, bs); 155 break; 156 case ENOTDIR: 157 (void) fprintf(stderr, 158 gettext("%s: %s not a directory\n" 159 "\tor a component of %s is not a directory\n"), 160 myname, mp, bs); 161 break; 162 case ENOENT: 163 (void) fprintf(stderr, 164 gettext("%s: %s or %s, no such file or directory\n"), 165 myname, bs, mp); 166 break; 167 case EINVAL: 168 (void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"), 169 myname, bs); 170 break; 171 case EBUSY: 172 (void) fprintf(stderr, 173 gettext("%s: %s is already mounted or %s is busy\n"), 174 myname, bs, mp); 175 break; 176 case ENOTBLK: 177 (void) fprintf(stderr, gettext("%s: %s not a block device\n"), 178 myname, bs); 179 break; 180 case EROFS: 181 (void) fprintf(stderr, 182 gettext("%s: %s write-protected\n"), myname, bs); 183 break; 184 case ENOSPC: 185 (void) fprintf(stderr, 186 gettext("%s: the state of %s is not okay\n" 187 "\tand it was attempted to mount read/write\n"), 188 myname, bs); 189 break; 190 default: 191 perror(myname); 192 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"), 193 myname, bs); 194 } 195 } 196 197 198 static void 199 do_mount(char *special, char *mountp, int rflag) 200 { 201 char *savedoptbuf; 202 203 if ((savedoptbuf = strdup(optbuf)) == NULL) { 204 (void) fprintf(stderr, gettext("%s: out of memory\n"), 205 myname); 206 exit(2); 207 } 208 if (mount(special, mountp, rflag | MS_OPTIONSTR, 209 fstype, NULL, 0, optbuf, MAX_MNTOPT_STR)) { 210 rpterr(special, mountp); 211 exit(2); 212 } 213 if (optsize && !qflg) 214 cmp_requested_to_actual_options(savedoptbuf, optbuf, 215 special, mountp); 216 } 217 218 219 static void 220 usage(void) 221 { 222 (void) fprintf(stderr, 223 gettext("Usage: %s [-rmOq] [-o specific_options]" 224 " special mount_point\n"), myname); 225 exit(1); 226 } 227