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 #include <stdio.h> 31 #include <stdlib.h> 32 #include <signal.h> 33 #include <string.h> 34 #include <unistd.h> 35 #include <errno.h> 36 #include <sys/mnttab.h> 37 #include <sys/mount.h> 38 #include <sys/types.h> 39 #include <locale.h> 40 #include <fslib.h> 41 42 #define NAME_MAX 64 /* sizeof "fstype myname" */ 43 44 #define FSTYPE "fd" 45 46 static char optbuf[MAX_MNTOPT_STR] = { '\0', }; 47 static int optsize = 0; 48 49 static int flags = 0; 50 static int mflg = 0; 51 static int qflg = 0; 52 53 static char typename[NAME_MAX], *myname; 54 static char fstype[] = FSTYPE; 55 56 static void usage(void); 57 static void do_mount(char *, char *, int); 58 59 int 60 main(int argc, char **argv) 61 { 62 char *special, *mountp; 63 int errflag = 0; 64 int cc; 65 66 (void) setlocale(LC_ALL, ""); 67 68 #if !defined(TEXT_DOMAIN) 69 #define TEXT_DOMAIN "SYS_TEST" 70 #endif 71 (void) textdomain(TEXT_DOMAIN); 72 73 myname = strrchr(argv[0], '/'); 74 if (myname) 75 myname++; 76 else 77 myname = argv[0]; 78 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname); 79 argv[0] = typename; 80 81 /* 82 * check for proper arguments 83 */ 84 85 while ((cc = getopt(argc, argv, "o:rmOq")) != -1) 86 switch (cc) { 87 case 'r': 88 if (flags & MS_RDONLY) 89 errflag = 1; 90 else 91 flags |= MS_RDONLY; 92 break; 93 case 'O': 94 flags |= MS_OVERLAY; 95 break; 96 case 'q': 97 qflg = 1; 98 break; 99 case 'm': 100 mflg++; 101 break; 102 case 'o': 103 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >= 104 sizeof (optbuf)) { 105 (void) fprintf(stderr, 106 gettext("%s: Invalid argument: %s\n"), 107 myname, optarg); 108 return (2); 109 } 110 optsize = strlen(optbuf); 111 break; 112 default: 113 case '?': 114 errflag = 1; 115 break; 116 } 117 118 /* 119 * There must be at least 2 more arguments, the 120 * special file and the directory. 121 */ 122 123 if (((argc - optind) != 2) || (errflag)) 124 usage(); 125 126 special = argv[optind++]; 127 mountp = argv[optind++]; 128 129 /* 130 * Perform the mount. 131 * Only the low-order bit of "flags" is used by the system 132 * calls (to denote read-only or read-write). 133 */ 134 if (mflg) 135 flags |= MS_NOMNTTAB; 136 do_mount(special, mountp, flags); 137 exit(0); 138 /* NOTREACHED */ 139 } 140 141 static void 142 rpterr(char *bs, char *mp) 143 { 144 switch (errno) { 145 case EPERM: 146 (void) fprintf(stderr, 147 gettext("%s: insufficient privileges\n"), myname); 148 break; 149 case ENXIO: 150 (void) fprintf(stderr, 151 gettext("%s: %s no such device\n"), myname, bs); 152 break; 153 case ENOTDIR: 154 (void) fprintf(stderr, 155 gettext("%s: %s not a directory\n" 156 "\tor a component of %s is not a directory\n"), 157 myname, mp, bs); 158 break; 159 case ENOENT: 160 (void) fprintf(stderr, 161 gettext("%s: %s or %s, no such file or directory\n"), 162 myname, bs, mp); 163 break; 164 case EINVAL: 165 (void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"), 166 myname, bs); 167 break; 168 case EBUSY: 169 (void) fprintf(stderr, 170 gettext("%s: %s is already mounted or %s is busy\n"), 171 myname, bs, mp); 172 break; 173 case ENOTBLK: 174 (void) fprintf(stderr, gettext("%s: %s not a block device\n"), 175 myname, bs); 176 break; 177 case EROFS: 178 (void) fprintf(stderr, 179 gettext("%s: %s write-protected\n"), myname, bs); 180 break; 181 case ENOSPC: 182 (void) fprintf(stderr, 183 gettext("%s: the state of %s is not okay\n" 184 "\tand it was attempted to mount read/write\n"), 185 myname, bs); 186 break; 187 default: 188 perror(myname); 189 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"), 190 myname, bs); 191 } 192 } 193 194 195 static void 196 do_mount(char *special, char *mountp, int rflag) 197 { 198 char *savedoptbuf; 199 200 if ((savedoptbuf = strdup(optbuf)) == NULL) { 201 (void) fprintf(stderr, gettext("%s: out of memory\n"), 202 myname); 203 exit(2); 204 } 205 if (mount(special, mountp, rflag | MS_OPTIONSTR, 206 fstype, NULL, 0, optbuf, MAX_MNTOPT_STR)) { 207 rpterr(special, mountp); 208 exit(2); 209 } 210 if (optsize && !qflg) 211 cmp_requested_to_actual_options(savedoptbuf, optbuf, 212 special, mountp); 213 } 214 215 216 static void 217 usage(void) 218 { 219 (void) fprintf(stderr, 220 gettext("Usage: %s [-rmOq] [-o specific_options]" 221 " special mount_point\n"), myname); 222 exit(1); 223 } 224