1/*- 2 * Copyright (c) 1980, 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35static const char copyright[] = 36"@(#) Copyright (c) 1980, 1989, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38#endif /* not lint */ 39 40#ifndef lint 41#if 0 42static char sccsid[] = "@(#)mount.c 8.25 (Berkeley) 5/8/95";
| 1/*- 2 * Copyright (c) 1980, 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35static const char copyright[] = 36"@(#) Copyright (c) 1980, 1989, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38#endif /* not lint */ 39 40#ifndef lint 41#if 0 42static char sccsid[] = "@(#)mount.c 8.25 (Berkeley) 5/8/95";
|
43#else 44static const char rcsid[] = 45 "$Id: mount.c,v 1.26 1998/05/17 21:57:17 dt Exp $";
| |
46#endif
| 43#endif
|
| 44static const char rcsid[] = 45 "$Id$";
|
47#endif /* not lint */ 48 49#include <sys/param.h> 50#include <sys/mount.h> 51#include <sys/stat.h> 52#include <sys/wait.h> 53 54#include <err.h> 55#include <errno.h> 56#include <fstab.h> 57#include <pwd.h> 58#include <signal.h> 59#include <stdio.h> 60#include <stdlib.h> 61#include <string.h> 62#include <unistd.h> 63 64#include "extern.h" 65#include "pathnames.h" 66 67int debug, fstab_style, verbose; 68 69char *catopt __P((char *, const char *)); 70struct statfs 71 *getmntpt __P((const char *)); 72int hasopt __P((const char *, const char *)); 73int ismounted __P((struct fstab *, struct statfs *, int)); 74int isremountable __P((const char *)); 75void mangle __P((char *, int *, const char **)); 76int mountfs __P((const char *, const char *, const char *, 77 int, const char *, const char *)); 78void prmount __P((struct statfs *)); 79void putfsent __P((const struct statfs *)); 80void usage __P((void)); 81
| 46#endif /* not lint */ 47 48#include <sys/param.h> 49#include <sys/mount.h> 50#include <sys/stat.h> 51#include <sys/wait.h> 52 53#include <err.h> 54#include <errno.h> 55#include <fstab.h> 56#include <pwd.h> 57#include <signal.h> 58#include <stdio.h> 59#include <stdlib.h> 60#include <string.h> 61#include <unistd.h> 62 63#include "extern.h" 64#include "pathnames.h" 65 66int debug, fstab_style, verbose; 67 68char *catopt __P((char *, const char *)); 69struct statfs 70 *getmntpt __P((const char *)); 71int hasopt __P((const char *, const char *)); 72int ismounted __P((struct fstab *, struct statfs *, int)); 73int isremountable __P((const char *)); 74void mangle __P((char *, int *, const char **)); 75int mountfs __P((const char *, const char *, const char *, 76 int, const char *, const char *)); 77void prmount __P((struct statfs *)); 78void putfsent __P((const struct statfs *)); 79void usage __P((void)); 80
|
82/* Map from mount otions to printable formats. */
| 81/* Map from mount options to printable formats. */
|
83static struct opt { 84 int o_opt; 85 const char *o_name; 86} optnames[] = { 87 { MNT_ASYNC, "asynchronous" }, 88 { MNT_EXPORTED, "NFS exported" }, 89 { MNT_LOCAL, "local" }, 90 { MNT_NOATIME, "noatime" }, 91 { MNT_NODEV, "nodev" }, 92 { MNT_NOEXEC, "noexec" }, 93 { MNT_NOSUID, "nosuid" }, 94 { MNT_NOSYMFOLLOW, "nosymfollow" }, 95 { MNT_QUOTA, "with quotas" }, 96 { MNT_RDONLY, "read-only" }, 97 { MNT_SYNCHRONOUS, "synchronous" }, 98 { MNT_UNION, "union" }, 99 { MNT_NOCLUSTERR, "noclusterr" }, 100 { MNT_NOCLUSTERW, "noclusterw" }, 101 { MNT_SUIDDIR, "suiddir" }, 102 { MNT_SOFTDEP, "soft-updates" }, 103 { NULL } 104}; 105 106/* 107 * List of VFS types that can be remounted without becoming mounted on top 108 * of each other. 109 * XXX Is this list correct? 110 */ 111static const char * 112remountable_fs_names[] = { 113 "ufs", "ffs", "lfs", "ext2fs", 114 0 115}; 116 117int 118main(argc, argv) 119 int argc; 120 char * const argv[]; 121{ 122 const char *mntfromname, **vfslist, *vfstype; 123 struct fstab *fs; 124 struct statfs *mntbuf; 125 FILE *mountdfp; 126 pid_t pid; 127 int all, ch, i, init_flags, mntsize, rval; 128 char *options; 129 130 all = init_flags = 0; 131 options = NULL; 132 vfslist = NULL; 133 vfstype = "ufs"; 134 while ((ch = getopt(argc, argv, "adfo:prwt:uv")) != -1) 135 switch (ch) { 136 case 'a': 137 all = 1; 138 break; 139 case 'd': 140 debug = 1; 141 break; 142 case 'f': 143 init_flags |= MNT_FORCE; 144 break; 145 case 'o': 146 if (*optarg) 147 options = catopt(options, optarg); 148 break; 149 case 'p': 150 fstab_style = 1; 151 verbose = 1; 152 break; 153 case 'r': 154 init_flags |= MNT_RDONLY; 155 break; 156 case 't': 157 if (vfslist != NULL)
| 82static struct opt { 83 int o_opt; 84 const char *o_name; 85} optnames[] = { 86 { MNT_ASYNC, "asynchronous" }, 87 { MNT_EXPORTED, "NFS exported" }, 88 { MNT_LOCAL, "local" }, 89 { MNT_NOATIME, "noatime" }, 90 { MNT_NODEV, "nodev" }, 91 { MNT_NOEXEC, "noexec" }, 92 { MNT_NOSUID, "nosuid" }, 93 { MNT_NOSYMFOLLOW, "nosymfollow" }, 94 { MNT_QUOTA, "with quotas" }, 95 { MNT_RDONLY, "read-only" }, 96 { MNT_SYNCHRONOUS, "synchronous" }, 97 { MNT_UNION, "union" }, 98 { MNT_NOCLUSTERR, "noclusterr" }, 99 { MNT_NOCLUSTERW, "noclusterw" }, 100 { MNT_SUIDDIR, "suiddir" }, 101 { MNT_SOFTDEP, "soft-updates" }, 102 { NULL } 103}; 104 105/* 106 * List of VFS types that can be remounted without becoming mounted on top 107 * of each other. 108 * XXX Is this list correct? 109 */ 110static const char * 111remountable_fs_names[] = { 112 "ufs", "ffs", "lfs", "ext2fs", 113 0 114}; 115 116int 117main(argc, argv) 118 int argc; 119 char * const argv[]; 120{ 121 const char *mntfromname, **vfslist, *vfstype; 122 struct fstab *fs; 123 struct statfs *mntbuf; 124 FILE *mountdfp; 125 pid_t pid; 126 int all, ch, i, init_flags, mntsize, rval; 127 char *options; 128 129 all = init_flags = 0; 130 options = NULL; 131 vfslist = NULL; 132 vfstype = "ufs"; 133 while ((ch = getopt(argc, argv, "adfo:prwt:uv")) != -1) 134 switch (ch) { 135 case 'a': 136 all = 1; 137 break; 138 case 'd': 139 debug = 1; 140 break; 141 case 'f': 142 init_flags |= MNT_FORCE; 143 break; 144 case 'o': 145 if (*optarg) 146 options = catopt(options, optarg); 147 break; 148 case 'p': 149 fstab_style = 1; 150 verbose = 1; 151 break; 152 case 'r': 153 init_flags |= MNT_RDONLY; 154 break; 155 case 't': 156 if (vfslist != NULL)
|
158 errx(1, "only one -t option may be specified.");
| 157 errx(1, "only one -t option may be specified");
|
159 vfslist = makevfslist(optarg); 160 vfstype = optarg; 161 break; 162 case 'u': 163 init_flags |= MNT_UPDATE; 164 break; 165 case 'v': 166 verbose = 1; 167 break; 168 case 'w': 169 init_flags &= ~MNT_RDONLY; 170 break; 171 case '?': 172 default: 173 usage(); 174 /* NOTREACHED */ 175 } 176 argc -= optind; 177 argv += optind; 178 179#define BADTYPE(type) \ 180 (strcmp(type, FSTAB_RO) && \ 181 strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ)) 182 183 rval = 0; 184 switch (argc) { 185 case 0: 186 if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) 187 err(1, "getmntinfo"); 188 if (all) { 189 while ((fs = getfsent()) != NULL) { 190 if (BADTYPE(fs->fs_type)) 191 continue; 192 if (checkvfsname(fs->fs_vfstype, vfslist)) 193 continue; 194 if (hasopt(fs->fs_mntops, "noauto")) 195 continue; 196 if (ismounted(fs, mntbuf, mntsize)) 197 continue; 198 if (mountfs(fs->fs_vfstype, fs->fs_spec, 199 fs->fs_file, init_flags, options, 200 fs->fs_mntops)) 201 rval = 1; 202 } 203 } else if (fstab_style) { 204 for (i = 0; i < mntsize; i++) { 205 if (checkvfsname(mntbuf[i].f_fstypename, vfslist)) 206 continue; 207 putfsent(&mntbuf[i]); 208 } 209 } else { 210 for (i = 0; i < mntsize; i++) { 211 if (checkvfsname(mntbuf[i].f_fstypename, 212 vfslist)) 213 continue; 214 prmount(&mntbuf[i]); 215 } 216 } 217 exit(rval); 218 case 1: 219 if (vfslist != NULL) 220 usage(); 221 222 if (init_flags & MNT_UPDATE) { 223 if ((mntbuf = getmntpt(*argv)) == NULL) 224 errx(1,
| 158 vfslist = makevfslist(optarg); 159 vfstype = optarg; 160 break; 161 case 'u': 162 init_flags |= MNT_UPDATE; 163 break; 164 case 'v': 165 verbose = 1; 166 break; 167 case 'w': 168 init_flags &= ~MNT_RDONLY; 169 break; 170 case '?': 171 default: 172 usage(); 173 /* NOTREACHED */ 174 } 175 argc -= optind; 176 argv += optind; 177 178#define BADTYPE(type) \ 179 (strcmp(type, FSTAB_RO) && \ 180 strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ)) 181 182 rval = 0; 183 switch (argc) { 184 case 0: 185 if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) 186 err(1, "getmntinfo"); 187 if (all) { 188 while ((fs = getfsent()) != NULL) { 189 if (BADTYPE(fs->fs_type)) 190 continue; 191 if (checkvfsname(fs->fs_vfstype, vfslist)) 192 continue; 193 if (hasopt(fs->fs_mntops, "noauto")) 194 continue; 195 if (ismounted(fs, mntbuf, mntsize)) 196 continue; 197 if (mountfs(fs->fs_vfstype, fs->fs_spec, 198 fs->fs_file, init_flags, options, 199 fs->fs_mntops)) 200 rval = 1; 201 } 202 } else if (fstab_style) { 203 for (i = 0; i < mntsize; i++) { 204 if (checkvfsname(mntbuf[i].f_fstypename, vfslist)) 205 continue; 206 putfsent(&mntbuf[i]); 207 } 208 } else { 209 for (i = 0; i < mntsize; i++) { 210 if (checkvfsname(mntbuf[i].f_fstypename, 211 vfslist)) 212 continue; 213 prmount(&mntbuf[i]); 214 } 215 } 216 exit(rval); 217 case 1: 218 if (vfslist != NULL) 219 usage(); 220 221 if (init_flags & MNT_UPDATE) { 222 if ((mntbuf = getmntpt(*argv)) == NULL) 223 errx(1,
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225 "unknown special file or file system %s.",
| 224 "unknown special file or file system %s",
|
226 *argv); 227 if ((fs = getfsfile(mntbuf->f_mntonname)) != NULL) 228 mntfromname = fs->fs_spec; 229 else 230 mntfromname = mntbuf->f_mntfromname; 231 rval = mountfs(mntbuf->f_fstypename, mntfromname, 232 mntbuf->f_mntonname, init_flags, options, 0); 233 break; 234 } 235 if ((fs = getfsfile(*argv)) == NULL && 236 (fs = getfsspec(*argv)) == NULL)
| 225 *argv); 226 if ((fs = getfsfile(mntbuf->f_mntonname)) != NULL) 227 mntfromname = fs->fs_spec; 228 else 229 mntfromname = mntbuf->f_mntfromname; 230 rval = mountfs(mntbuf->f_fstypename, mntfromname, 231 mntbuf->f_mntonname, init_flags, options, 0); 232 break; 233 } 234 if ((fs = getfsfile(*argv)) == NULL && 235 (fs = getfsspec(*argv)) == NULL)
|
237 errx(1, "%s: unknown special file or file system.",
| 236 errx(1, "%s: unknown special file or file system",
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238 *argv); 239 if (BADTYPE(fs->fs_type))
| 237 *argv); 238 if (BADTYPE(fs->fs_type))
|
240 errx(1, "%s has unknown file system type.",
| 239 errx(1, "%s has unknown file system type",
|
241 *argv); 242 rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file, 243 init_flags, options, fs->fs_mntops); 244 break; 245 case 2: 246 /* 247 * If -t flag has not been specified, and spec contains either 248 * a ':' or a '@' then assume that an NFS filesystem is being 249 * specified ala Sun. 250 */ 251 if (vfslist == NULL && strpbrk(argv[0], ":@") != NULL) 252 vfstype = "nfs"; 253 rval = mountfs(vfstype, 254 argv[0], argv[1], init_flags, options, NULL); 255 break; 256 default: 257 usage(); 258 /* NOTREACHED */ 259 } 260 261 /* 262 * If the mount was successfully, and done by root, tell mountd the 263 * good news. Pid checks are probably unnecessary, but don't hurt. 264 */ 265 if (rval == 0 && getuid() == 0 && 266 (mountdfp = fopen(_PATH_MOUNTDPID, "r")) != NULL) { 267 if (fscanf(mountdfp, "%d", &pid) == 1 && 268 pid > 0 && kill(pid, SIGHUP) == -1 && errno != ESRCH) 269 err(1, "signal mountd"); 270 (void)fclose(mountdfp); 271 } 272 273 exit(rval); 274} 275 276int 277ismounted(fs, mntbuf, mntsize) 278 struct fstab *fs; 279 struct statfs *mntbuf; 280 int mntsize; 281{ 282 int i; 283 284 if (fs->fs_file[0] == '/' && fs->fs_file[1] == '\0') 285 /* the root file system can always be remounted */ 286 return (0); 287 288 for (i = mntsize - 1; i >= 0; --i) 289 if (strcmp(fs->fs_file, mntbuf[i].f_mntonname) == 0 && 290 (!isremountable(fs->fs_vfstype) || 291 strcmp(fs->fs_spec, mntbuf[i].f_mntfromname) == 0)) 292 return (1); 293 return (0); 294} 295 296int 297isremountable(vfsname) 298 const char *vfsname; 299{ 300 const char **cp; 301 302 for (cp = remountable_fs_names; *cp; cp++) 303 if (strcmp(*cp, vfsname) == 0) 304 return (1); 305 return (0); 306} 307 308int 309hasopt(mntopts, option) 310 const char *mntopts, *option; 311{ 312 int negative, found; 313 char *opt, *optbuf; 314 315 if (option[0] == 'n' && option[1] == 'o') { 316 negative = 1; 317 option += 2; 318 } else 319 negative = 0; 320 optbuf = strdup(mntopts); 321 found = 0; 322 for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) { 323 if (opt[0] == 'n' && opt[1] == 'o') { 324 if (!strcasecmp(opt + 2, option)) 325 found = negative; 326 } else if (!strcasecmp(opt, option)) 327 found = !negative; 328 } 329 free(optbuf); 330 return (found); 331} 332 333int 334mountfs(vfstype, spec, name, flags, options, mntopts) 335 const char *vfstype, *spec, *name, *options, *mntopts; 336 int flags; 337{ 338 /* List of directories containing mount_xxx subcommands. */ 339 static const char *edirs[] = { 340 _PATH_SBIN, 341 _PATH_USRSBIN, 342 NULL 343 }; 344 const char *argv[100], **edir; 345 struct stat sb; 346 struct statfs sf; 347 pid_t pid; 348 int argc, i, status; 349 char *optbuf, execname[MAXPATHLEN + 1], mntpath[MAXPATHLEN]; 350 351#if __GNUC__ 352 (void)&optbuf; 353 (void)&name; 354#endif 355 356 if (realpath(name, mntpath) != NULL && stat(mntpath, &sb) == 0) { 357 if (!S_ISDIR(sb.st_mode)) {
| 240 *argv); 241 rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file, 242 init_flags, options, fs->fs_mntops); 243 break; 244 case 2: 245 /* 246 * If -t flag has not been specified, and spec contains either 247 * a ':' or a '@' then assume that an NFS filesystem is being 248 * specified ala Sun. 249 */ 250 if (vfslist == NULL && strpbrk(argv[0], ":@") != NULL) 251 vfstype = "nfs"; 252 rval = mountfs(vfstype, 253 argv[0], argv[1], init_flags, options, NULL); 254 break; 255 default: 256 usage(); 257 /* NOTREACHED */ 258 } 259 260 /* 261 * If the mount was successfully, and done by root, tell mountd the 262 * good news. Pid checks are probably unnecessary, but don't hurt. 263 */ 264 if (rval == 0 && getuid() == 0 && 265 (mountdfp = fopen(_PATH_MOUNTDPID, "r")) != NULL) { 266 if (fscanf(mountdfp, "%d", &pid) == 1 && 267 pid > 0 && kill(pid, SIGHUP) == -1 && errno != ESRCH) 268 err(1, "signal mountd"); 269 (void)fclose(mountdfp); 270 } 271 272 exit(rval); 273} 274 275int 276ismounted(fs, mntbuf, mntsize) 277 struct fstab *fs; 278 struct statfs *mntbuf; 279 int mntsize; 280{ 281 int i; 282 283 if (fs->fs_file[0] == '/' && fs->fs_file[1] == '\0') 284 /* the root file system can always be remounted */ 285 return (0); 286 287 for (i = mntsize - 1; i >= 0; --i) 288 if (strcmp(fs->fs_file, mntbuf[i].f_mntonname) == 0 && 289 (!isremountable(fs->fs_vfstype) || 290 strcmp(fs->fs_spec, mntbuf[i].f_mntfromname) == 0)) 291 return (1); 292 return (0); 293} 294 295int 296isremountable(vfsname) 297 const char *vfsname; 298{ 299 const char **cp; 300 301 for (cp = remountable_fs_names; *cp; cp++) 302 if (strcmp(*cp, vfsname) == 0) 303 return (1); 304 return (0); 305} 306 307int 308hasopt(mntopts, option) 309 const char *mntopts, *option; 310{ 311 int negative, found; 312 char *opt, *optbuf; 313 314 if (option[0] == 'n' && option[1] == 'o') { 315 negative = 1; 316 option += 2; 317 } else 318 negative = 0; 319 optbuf = strdup(mntopts); 320 found = 0; 321 for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) { 322 if (opt[0] == 'n' && opt[1] == 'o') { 323 if (!strcasecmp(opt + 2, option)) 324 found = negative; 325 } else if (!strcasecmp(opt, option)) 326 found = !negative; 327 } 328 free(optbuf); 329 return (found); 330} 331 332int 333mountfs(vfstype, spec, name, flags, options, mntopts) 334 const char *vfstype, *spec, *name, *options, *mntopts; 335 int flags; 336{ 337 /* List of directories containing mount_xxx subcommands. */ 338 static const char *edirs[] = { 339 _PATH_SBIN, 340 _PATH_USRSBIN, 341 NULL 342 }; 343 const char *argv[100], **edir; 344 struct stat sb; 345 struct statfs sf; 346 pid_t pid; 347 int argc, i, status; 348 char *optbuf, execname[MAXPATHLEN + 1], mntpath[MAXPATHLEN]; 349 350#if __GNUC__ 351 (void)&optbuf; 352 (void)&name; 353#endif 354 355 if (realpath(name, mntpath) != NULL && stat(mntpath, &sb) == 0) { 356 if (!S_ISDIR(sb.st_mode)) {
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358 warnx("%s: Not a directory", mntpath);
| 357 warnx("%s: not a directory", mntpath);
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359 return (1); 360 } 361 } else { 362 warn("%s", mntpath); 363 return (1); 364 } 365 366 name = mntpath; 367 368 if (mntopts == NULL) 369 mntopts = ""; 370 if (options == NULL) { 371 if (*mntopts == '\0') { 372 options = "rw"; 373 } else { 374 options = mntopts; 375 mntopts = ""; 376 } 377 } 378 optbuf = catopt(strdup(mntopts), options); 379 380 if (strcmp(name, "/") == 0) 381 flags |= MNT_UPDATE; 382 if (flags & MNT_FORCE) 383 optbuf = catopt(optbuf, "force"); 384 if (flags & MNT_RDONLY) 385 optbuf = catopt(optbuf, "ro"); 386 /* 387 * XXX 388 * The mount_mfs (newfs) command uses -o to select the
| 358 return (1); 359 } 360 } else { 361 warn("%s", mntpath); 362 return (1); 363 } 364 365 name = mntpath; 366 367 if (mntopts == NULL) 368 mntopts = ""; 369 if (options == NULL) { 370 if (*mntopts == '\0') { 371 options = "rw"; 372 } else { 373 options = mntopts; 374 mntopts = ""; 375 } 376 } 377 optbuf = catopt(strdup(mntopts), options); 378 379 if (strcmp(name, "/") == 0) 380 flags |= MNT_UPDATE; 381 if (flags & MNT_FORCE) 382 optbuf = catopt(optbuf, "force"); 383 if (flags & MNT_RDONLY) 384 optbuf = catopt(optbuf, "ro"); 385 /* 386 * XXX 387 * The mount_mfs (newfs) command uses -o to select the
|
389 * optimisation mode. We don't pass the default "-o rw"
| 388 * optimization mode. We don't pass the default "-o rw"
|
390 * for that reason. 391 */ 392 if (flags & MNT_UPDATE) 393 optbuf = catopt(optbuf, "update"); 394 395 argc = 0; 396 argv[argc++] = vfstype; 397 mangle(optbuf, &argc, argv); 398 argv[argc++] = spec; 399 argv[argc++] = name; 400 argv[argc] = NULL; 401 402 if (debug) { 403 (void)printf("exec: mount_%s", vfstype); 404 for (i = 1; i < argc; i++) 405 (void)printf(" %s", argv[i]); 406 (void)printf("\n"); 407 return (0); 408 } 409 410 switch (pid = fork()) { 411 case -1: /* Error. */ 412 warn("fork"); 413 free(optbuf); 414 return (1); 415 case 0: /* Child. */ 416 if (strcmp(vfstype, "ufs") == 0) 417 exit(mount_ufs(argc, (char * const *) argv)); 418 419 /* Go find an executable. */ 420 for (edir = edirs; *edir; edir++) { 421 (void)snprintf(execname, 422 sizeof(execname), "%s/mount_%s", *edir, vfstype); 423 execv(execname, (char * const *)argv); 424 } 425 if (errno == ENOENT) { 426 int len = 0; 427 char *cp; 428 for (edir = edirs; *edir; edir++) 429 len += strlen(*edir) + 2; /* ", " */
| 389 * for that reason. 390 */ 391 if (flags & MNT_UPDATE) 392 optbuf = catopt(optbuf, "update"); 393 394 argc = 0; 395 argv[argc++] = vfstype; 396 mangle(optbuf, &argc, argv); 397 argv[argc++] = spec; 398 argv[argc++] = name; 399 argv[argc] = NULL; 400 401 if (debug) { 402 (void)printf("exec: mount_%s", vfstype); 403 for (i = 1; i < argc; i++) 404 (void)printf(" %s", argv[i]); 405 (void)printf("\n"); 406 return (0); 407 } 408 409 switch (pid = fork()) { 410 case -1: /* Error. */ 411 warn("fork"); 412 free(optbuf); 413 return (1); 414 case 0: /* Child. */ 415 if (strcmp(vfstype, "ufs") == 0) 416 exit(mount_ufs(argc, (char * const *) argv)); 417 418 /* Go find an executable. */ 419 for (edir = edirs; *edir; edir++) { 420 (void)snprintf(execname, 421 sizeof(execname), "%s/mount_%s", *edir, vfstype); 422 execv(execname, (char * const *)argv); 423 } 424 if (errno == ENOENT) { 425 int len = 0; 426 char *cp; 427 for (edir = edirs; *edir; edir++) 428 len += strlen(*edir) + 2; /* ", " */
|
430 if ((cp = malloc(len)) == NULL) { 431 warn(NULL); 432 exit(1); 433 }
| 429 if ((cp = malloc(len)) == NULL) 430 errx(1, "malloc failed");
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434 cp[0] = '\0'; 435 for (edir = edirs; *edir; edir++) { 436 strcat(cp, *edir); 437 if (edir[1] != NULL) 438 strcat(cp, ", "); 439 } 440 warn("exec mount_%s not found in %s", vfstype, cp); 441 } 442 exit(1); 443 /* NOTREACHED */ 444 default: /* Parent. */ 445 free(optbuf); 446 447 if (waitpid(pid, &status, 0) < 0) { 448 warn("waitpid"); 449 return (1); 450 } 451 452 if (WIFEXITED(status)) { 453 if (WEXITSTATUS(status) != 0) 454 return (WEXITSTATUS(status)); 455 } else if (WIFSIGNALED(status)) { 456 warnx("%s: %s", name, sys_siglist[WTERMSIG(status)]); 457 return (1); 458 } 459 460 if (verbose) { 461 if (statfs(name, &sf) < 0) { 462 warn("statfs %s", name); 463 return (1); 464 } 465 if (fstab_style) 466 putfsent(&sf); 467 else 468 prmount(&sf); 469 } 470 break; 471 } 472 473 return (0); 474} 475 476void 477prmount(sfp) 478 struct statfs *sfp; 479{ 480 int flags; 481 struct opt *o; 482 struct passwd *pw; 483 int f; 484 485 (void)printf("%s on %s", sfp->f_mntfromname, sfp->f_mntonname); 486 487 flags = sfp->f_flags & MNT_VISFLAGMASK; 488 for (f = 0, o = optnames; flags && o->o_opt; o++) 489 if (flags & o->o_opt) { 490 (void)printf("%s%s", !f++ ? " (" : ", ", o->o_name); 491 flags &= ~o->o_opt; 492 } 493 if (sfp->f_owner) { 494 (void)printf("%smounted by ", !f++ ? " (" : ", "); 495 if ((pw = getpwuid(sfp->f_owner)) != NULL) 496 (void)printf("%s", pw->pw_name); 497 else 498 (void)printf("%d", sfp->f_owner); 499 } 500 if (sfp->f_syncwrites != 0 || sfp->f_asyncwrites != 0) 501 (void)printf("%swrites: sync %ld async %ld", 502 !f++ ? " (" : ", ", sfp->f_syncwrites, sfp->f_asyncwrites); 503 (void)printf("%s\n", f ? ")" : ""); 504} 505 506struct statfs * 507getmntpt(name) 508 const char *name; 509{ 510 struct statfs *mntbuf; 511 int i, mntsize; 512 513 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 514 for (i = 0; i < mntsize; i++) 515 if (strcmp(mntbuf[i].f_mntfromname, name) == 0 || 516 strcmp(mntbuf[i].f_mntonname, name) == 0) 517 return (&mntbuf[i]); 518 return (NULL); 519} 520 521char * 522catopt(s0, s1) 523 char *s0; 524 const char *s1; 525{ 526 size_t i; 527 char *cp; 528 529 if (s0 && *s0) { 530 i = strlen(s0) + strlen(s1) + 1 + 1; 531 if ((cp = malloc(i)) == NULL)
| 431 cp[0] = '\0'; 432 for (edir = edirs; *edir; edir++) { 433 strcat(cp, *edir); 434 if (edir[1] != NULL) 435 strcat(cp, ", "); 436 } 437 warn("exec mount_%s not found in %s", vfstype, cp); 438 } 439 exit(1); 440 /* NOTREACHED */ 441 default: /* Parent. */ 442 free(optbuf); 443 444 if (waitpid(pid, &status, 0) < 0) { 445 warn("waitpid"); 446 return (1); 447 } 448 449 if (WIFEXITED(status)) { 450 if (WEXITSTATUS(status) != 0) 451 return (WEXITSTATUS(status)); 452 } else if (WIFSIGNALED(status)) { 453 warnx("%s: %s", name, sys_siglist[WTERMSIG(status)]); 454 return (1); 455 } 456 457 if (verbose) { 458 if (statfs(name, &sf) < 0) { 459 warn("statfs %s", name); 460 return (1); 461 } 462 if (fstab_style) 463 putfsent(&sf); 464 else 465 prmount(&sf); 466 } 467 break; 468 } 469 470 return (0); 471} 472 473void 474prmount(sfp) 475 struct statfs *sfp; 476{ 477 int flags; 478 struct opt *o; 479 struct passwd *pw; 480 int f; 481 482 (void)printf("%s on %s", sfp->f_mntfromname, sfp->f_mntonname); 483 484 flags = sfp->f_flags & MNT_VISFLAGMASK; 485 for (f = 0, o = optnames; flags && o->o_opt; o++) 486 if (flags & o->o_opt) { 487 (void)printf("%s%s", !f++ ? " (" : ", ", o->o_name); 488 flags &= ~o->o_opt; 489 } 490 if (sfp->f_owner) { 491 (void)printf("%smounted by ", !f++ ? " (" : ", "); 492 if ((pw = getpwuid(sfp->f_owner)) != NULL) 493 (void)printf("%s", pw->pw_name); 494 else 495 (void)printf("%d", sfp->f_owner); 496 } 497 if (sfp->f_syncwrites != 0 || sfp->f_asyncwrites != 0) 498 (void)printf("%swrites: sync %ld async %ld", 499 !f++ ? " (" : ", ", sfp->f_syncwrites, sfp->f_asyncwrites); 500 (void)printf("%s\n", f ? ")" : ""); 501} 502 503struct statfs * 504getmntpt(name) 505 const char *name; 506{ 507 struct statfs *mntbuf; 508 int i, mntsize; 509 510 mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 511 for (i = 0; i < mntsize; i++) 512 if (strcmp(mntbuf[i].f_mntfromname, name) == 0 || 513 strcmp(mntbuf[i].f_mntonname, name) == 0) 514 return (&mntbuf[i]); 515 return (NULL); 516} 517 518char * 519catopt(s0, s1) 520 char *s0; 521 const char *s1; 522{ 523 size_t i; 524 char *cp; 525 526 if (s0 && *s0) { 527 i = strlen(s0) + strlen(s1) + 1 + 1; 528 if ((cp = malloc(i)) == NULL)
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532 err(1, NULL);
| 529 errx(1, "malloc failed");
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533 (void)snprintf(cp, i, "%s,%s", s0, s1); 534 } else 535 cp = strdup(s1); 536 537 if (s0) 538 free(s0); 539 return (cp); 540} 541 542void 543mangle(options, argcp, argv) 544 char *options; 545 int *argcp; 546 const char **argv; 547{ 548 char *p, *s; 549 int argc; 550 551 argc = *argcp; 552 for (s = options; (p = strsep(&s, ",")) != NULL;) 553 if (*p != '\0') 554 if (*p == '-') { 555 argv[argc++] = p; 556 p = strchr(p, '='); 557 if (p) { 558 *p = '\0'; 559 argv[argc++] = p+1; 560 } 561 } else if (strcmp(p, "rw") != 0) { 562 argv[argc++] = "-o"; 563 argv[argc++] = p; 564 } 565 566 *argcp = argc; 567} 568 569void 570usage() 571{ 572
| 530 (void)snprintf(cp, i, "%s,%s", s0, s1); 531 } else 532 cp = strdup(s1); 533 534 if (s0) 535 free(s0); 536 return (cp); 537} 538 539void 540mangle(options, argcp, argv) 541 char *options; 542 int *argcp; 543 const char **argv; 544{ 545 char *p, *s; 546 int argc; 547 548 argc = *argcp; 549 for (s = options; (p = strsep(&s, ",")) != NULL;) 550 if (*p != '\0') 551 if (*p == '-') { 552 argv[argc++] = p; 553 p = strchr(p, '='); 554 if (p) { 555 *p = '\0'; 556 argv[argc++] = p+1; 557 } 558 } else if (strcmp(p, "rw") != 0) { 559 argv[argc++] = "-o"; 560 argv[argc++] = p; 561 } 562 563 *argcp = argc; 564} 565 566void 567usage() 568{ 569
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573 (void)fprintf(stderr, 574 "usage: mount %s %s\n mount %s\n mount %s\n", 575 "[-dfpruvw] [-o options] [-t ufs | external_type]", 576 "special node", 577 "[-adfpruvw] [-t ufs | external_type]", 578 "[-dfpruvw] special | node");
| 570 (void)fprintf(stderr, "%s\n%s\n%s\n", 571"usage: mount [-dfpruvw] [-o options] [-t ufs | external_type] special node", 572" mount [-adfpruvw] [-t ufs | external_type]", 573" mount [-dfpruvw] special | node");
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579 exit(1); 580} 581 582void 583putfsent(ent) 584 const struct statfs *ent; 585{ 586 struct fstab *fst; 587 588 printf("%s\t%s\t%s %s", ent->f_mntfromname, ent->f_mntonname, 589 ent->f_fstypename, (ent->f_flags & MNT_RDONLY) ? "ro" : "rw"); 590 591 /* XXX should use optnames[] - put shorter names in it. */ 592 if (ent->f_flags & MNT_SYNCHRONOUS) 593 printf(",sync"); 594 if (ent->f_flags & MNT_NOEXEC) 595 printf(",noexec"); 596 if (ent->f_flags & MNT_NOSUID) 597 printf(",nosuid"); 598 if (ent->f_flags & MNT_NODEV) 599 printf(",nodev"); 600 if (ent->f_flags & MNT_UNION) 601 printf(",union"); 602 if (ent->f_flags & MNT_ASYNC) 603 printf(",async"); 604 if (ent->f_flags & MNT_NOATIME) 605 printf(",noatime"); 606 if (ent->f_flags & MNT_NOCLUSTERR) 607 printf(",noclusterr"); 608 if (ent->f_flags & MNT_NOCLUSTERW) 609 printf(",noclusterw"); 610 if (ent->f_flags & MNT_NOSYMFOLLOW) 611 printf (",nosymfollow"); 612 if (ent->f_flags & MNT_SUIDDIR) 613 printf(",suiddir"); 614 615 if ((fst = getfsspec(ent->f_mntfromname))) 616 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 617 else if ((fst = getfsfile(ent->f_mntonname))) 618 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 619 else if (strcmp(ent->f_fstypename, "ufs") == 0) 620 printf("\t1 1\n"); 621 else 622 printf("\t0 0\n"); 623}
| 574 exit(1); 575} 576 577void 578putfsent(ent) 579 const struct statfs *ent; 580{ 581 struct fstab *fst; 582 583 printf("%s\t%s\t%s %s", ent->f_mntfromname, ent->f_mntonname, 584 ent->f_fstypename, (ent->f_flags & MNT_RDONLY) ? "ro" : "rw"); 585 586 /* XXX should use optnames[] - put shorter names in it. */ 587 if (ent->f_flags & MNT_SYNCHRONOUS) 588 printf(",sync"); 589 if (ent->f_flags & MNT_NOEXEC) 590 printf(",noexec"); 591 if (ent->f_flags & MNT_NOSUID) 592 printf(",nosuid"); 593 if (ent->f_flags & MNT_NODEV) 594 printf(",nodev"); 595 if (ent->f_flags & MNT_UNION) 596 printf(",union"); 597 if (ent->f_flags & MNT_ASYNC) 598 printf(",async"); 599 if (ent->f_flags & MNT_NOATIME) 600 printf(",noatime"); 601 if (ent->f_flags & MNT_NOCLUSTERR) 602 printf(",noclusterr"); 603 if (ent->f_flags & MNT_NOCLUSTERW) 604 printf(",noclusterw"); 605 if (ent->f_flags & MNT_NOSYMFOLLOW) 606 printf (",nosymfollow"); 607 if (ent->f_flags & MNT_SUIDDIR) 608 printf(",suiddir"); 609 610 if ((fst = getfsspec(ent->f_mntfromname))) 611 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 612 else if ((fst = getfsfile(ent->f_mntonname))) 613 printf("\t%u %u\n", fst->fs_freq, fst->fs_passno); 614 else if (strcmp(ent->f_fstypename, "ufs") == 0) 615 printf("\t1 1\n"); 616 else 617 printf("\t0 0\n"); 618}
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