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 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <ctype.h> 30 #include <string.h> 31 #include <stdio.h> 32 #include <unistd.h> /* defines F_LOCK for lockf */ 33 #include <stdlib.h> /* for getopt(3) */ 34 #include <signal.h> 35 #include <locale.h> 36 #include <fslib.h> 37 #include <sys/types.h> 38 #include <errno.h> 39 #include <sys/mnttab.h> 40 #include <sys/mntent.h> 41 #include <sys/mount.h> 42 #include <sys/vfs.h> 43 #include <sys/fs/hsfs_susp.h> 44 #include <sys/fs/hsfs_rrip.h> 45 46 extern int optind; 47 extern char *optarg; 48 49 #define NAME_MAX 64 50 #define GLOBAL 0 51 #define NOGLOBAL 1 52 53 #ifndef MNTOPT_NOGLOBAL 54 #define MNTOPT_NOGLOBAL "noglobal" 55 #endif /* MNTOPT_NOGLOBAL */ 56 57 static int gflg = 0; /* mount into global name space: flag form */ 58 static int global = 0; /* mount into global name space: option form */ 59 static int havegblopt = 0; /* global value supercedes gflg value */ 60 static int qflg = 0; /* quiet option - don't flag bad options */ 61 62 static char fstype[] = MNTTYPE_HSFS; 63 64 static char typename[NAME_MAX], *myname; 65 /* 66 * Mount options that require special handling 67 */ 68 static char *myopts[] = { 69 MNTOPT_GLOBAL, 70 MNTOPT_NOGLOBAL, 71 NULL 72 }; 73 74 75 static void rpterr(char *, char *); 76 static void usage(void); 77 78 int 79 main(int argc, char **argv) 80 { 81 char *options, *value; 82 char *special, *mountp; 83 char *gopt; 84 struct mnttab mm; 85 int c; 86 char obuff[MAX_MNTOPT_STR]; 87 char saved_input_options[MAX_MNTOPT_STR]; 88 int hsfs_flags; 89 90 int flags; 91 int Oflg = 0; /* Overlay mounts */ 92 93 (void) setlocale(LC_ALL, ""); 94 95 #if !defined(TEXT_DOMAIN) 96 #define TEXT_DOMAIN "SYS_TEST" 97 #endif 98 (void) textdomain(TEXT_DOMAIN); 99 100 myname = strrchr(argv[0], '/'); 101 if (myname) 102 myname++; 103 else 104 myname = argv[0]; 105 snprintf(typename, sizeof (typename), "%s %s", fstype, myname); 106 argv[0] = typename; 107 108 /* 109 * Check for arguments requiring special handling. Ignore 110 * unrecognized options. 111 */ 112 strcpy(obuff, "ro"); /* default */ 113 while ((c = getopt(argc, argv, "o:rmOgq")) != EOF) { 114 switch (c) { 115 case 'o': 116 if (strlen(optarg) > MAX_MNTOPT_STR) { 117 (void) fprintf(stderr, gettext( 118 "%s: option set too long\n"), 119 myname); 120 exit(1); 121 } 122 if (strlen(optarg) == 0) { 123 (void) fprintf(stderr, gettext( 124 "%s: missing suboptions\n"), 125 myname); 126 exit(1); 127 } 128 strcpy(obuff, optarg); 129 options = optarg; 130 while (*options != '\0') { 131 switch (getsubopt(&options, myopts, 132 &value)) { 133 case GLOBAL: 134 havegblopt = 1; 135 global = 1; 136 break; 137 case NOGLOBAL: 138 havegblopt = 1; 139 global = 0; 140 break; 141 } 142 } 143 break; 144 case 'O': 145 Oflg++; 146 break; 147 case 'r': 148 /* accept for backwards compatibility */ 149 break; 150 case 'm': 151 break; 152 case 'g': 153 gflg++; 154 break; 155 case 'q': 156 qflg++; 157 break; 158 159 } 160 } 161 162 if ((argc - optind) != 2) 163 usage(); 164 165 special = argv[optind++]; 166 mountp = argv[optind++]; 167 168 /* 169 * Force readonly. obuff is guaranteed to have something in 170 * it. We might end up with "ro,ro", but that's acceptable. 171 */ 172 flags = MS_RDONLY; 173 174 if ((strlen(obuff) + strlen(MNTOPT_RO) + 2) > MAX_MNTOPT_STR) { 175 (void) fprintf(stderr, gettext("%s: option set too long\n"), 176 myname); 177 exit(1); 178 } 179 180 strcat(obuff, ","); 181 strcat(obuff, MNTOPT_RO); 182 183 flags |= Oflg ? MS_OVERLAY : 0; 184 185 /* 186 * xxx it's not clear if should just put MS_GLOBAL in flags, 187 * or provide it as a string. Be safe, do both. The subopt 188 * version has precedence over the switch version. 189 */ 190 gopt = NULL; 191 if ((havegblopt && global) || gflg) { 192 gopt = MNTOPT_GLOBAL; 193 flags |= MS_GLOBAL; 194 } else if (havegblopt) { 195 gopt = MNTOPT_NOGLOBAL; 196 } 197 198 if (gopt != NULL) { 199 if ((strlen(obuff) + strlen(gopt) + 2) > MAX_MNTOPT_STR) { 200 (void) fprintf(stderr, 201 gettext("%s: option set too long\n"), myname); 202 exit(1); 203 } 204 205 strcat(obuff, ","); 206 strcat(obuff, gopt); 207 } 208 209 signal(SIGHUP, SIG_IGN); 210 signal(SIGQUIT, SIG_IGN); 211 signal(SIGINT, SIG_IGN); 212 213 /* 214 * Save a copy of the options to compare with the options that 215 * were actually recognized and supported by the kernel. 216 */ 217 218 (void) strcpy(saved_input_options, obuff); 219 220 /* 221 * Perform the mount. 222 */ 223 224 if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0, 225 obuff, sizeof (obuff)) == -1) { 226 rpterr(special, mountp); 227 exit(31+2); 228 } 229 230 if (!qflg) { 231 cmp_requested_to_actual_options(saved_input_options, obuff, 232 special, mountp); 233 } 234 235 exit(0); 236 /* NOTREACHED */ 237 } 238 239 240 static void 241 rpterr(char *bs, char *mp) 242 { 243 switch (errno) { 244 case EPERM: 245 (void) fprintf(stderr, gettext("%s: insufficient privileges\n"), 246 myname); 247 break; 248 case ENXIO: 249 (void) fprintf(stderr, gettext("%s: %s no such device\n"), 250 myname, bs); 251 break; 252 case ENOTDIR: 253 (void) fprintf(stderr, gettext("%s: %s not a directory\n\tor a " 254 "component of %s is not a directory\n"), myname, mp, bs); 255 break; 256 case ENOENT: 257 (void) fprintf(stderr, 258 gettext("%s: %s or %s, no such file or directory\n"), 259 myname, bs, mp); 260 break; 261 case EINVAL: 262 (void) fprintf(stderr, gettext("%s: %s is not an hsfs file " 263 "system.\n"), typename, bs); 264 break; 265 case EBUSY: 266 (void) fprintf(stderr, 267 gettext("%s: %s is already mounted or %s is busy\n"), 268 myname, bs, mp); 269 break; 270 case ENOTBLK: 271 (void) fprintf(stderr, 272 gettext("%s: %s not a block device\n"), myname, bs); 273 break; 274 case EROFS: 275 (void) fprintf(stderr, gettext("%s: %s write-protected\n"), 276 myname, bs); 277 break; 278 case ENOSPC: 279 (void) fprintf(stderr, 280 gettext("%s: %s is corrupted. needs checking\n"), 281 myname, bs); 282 break; 283 default: 284 perror(myname); 285 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"), myname, 286 bs); 287 } 288 } 289 290 291 static void 292 usage() 293 { 294 char *opts; 295 296 opts = "{-r | -o ro | -o nrr | -o nosuid | -o notraildot | -o nomaplcase}"; 297 (void) fprintf(stdout, 298 gettext("hsfs usage: mount [-F hsfs] %s {special | mount_point}\n"), opts); 299 (void) fprintf(stdout, 300 gettext("hsfs usage: mount [-F hsfs] %s special mount_point\n"), opts); 301 exit(32); 302 } 303