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Commit | Line | Data |
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db216e68 KZ |
1 | /* |
2 | * umount(8) -- mount a filesystem | |
3 | * | |
4 | * Copyright (C) 2011 Red Hat, Inc. All rights reserved. | |
5 | * Written by Karel Zak <kzak@redhat.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it would be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
7cebf0bb SK |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
db216e68 KZ |
20 | */ |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <getopt.h> | |
27 | #include <unistd.h> | |
28 | #include <sys/types.h> | |
29 | ||
30 | #include <libmount.h> | |
31 | ||
32 | #include "nls.h" | |
33 | #include "c.h" | |
34 | #include "env.h" | |
35 | #include "optutils.h" | |
73f9a114 | 36 | #include "exitcodes.h" |
efb8854f | 37 | #include "closestream.h" |
13ee1c91 | 38 | #include "pathnames.h" |
cc8cc8f3 | 39 | #include "canonicalize.h" |
4eb49f63 | 40 | #include "xalloc.h" |
db216e68 KZ |
41 | |
42 | static int table_parser_errcb(struct libmnt_table *tb __attribute__((__unused__)), | |
43 | const char *filename, int line) | |
44 | { | |
45 | if (filename) | |
b779c1ae | 46 | warnx(_("%s: parse error at line %d -- ignored"), filename, line); |
1cd9d0d7 | 47 | return 1; |
db216e68 KZ |
48 | } |
49 | ||
ac8ecab4 | 50 | |
db216e68 KZ |
51 | static void __attribute__((__noreturn__)) print_version(void) |
52 | { | |
53 | const char *ver = NULL; | |
ac8ecab4 | 54 | const char **features = NULL, **p; |
db216e68 KZ |
55 | |
56 | mnt_get_library_version(&ver); | |
ac8ecab4 | 57 | mnt_get_library_features(&features); |
db216e68 | 58 | |
ac8ecab4 KZ |
59 | printf(_("%s from %s (libmount %s"), |
60 | program_invocation_short_name, | |
61 | PACKAGE_STRING, | |
62 | ver); | |
63 | p = features; | |
64 | while (p && *p) { | |
65 | fputs(p == features ? ": " : ", ", stdout); | |
66 | fputs(*p++, stdout); | |
67 | } | |
68 | fputs(")\n", stdout); | |
73f9a114 | 69 | exit(MOUNT_EX_SUCCESS); |
db216e68 | 70 | } |
db216e68 KZ |
71 | static void __attribute__((__noreturn__)) usage(FILE *out) |
72 | { | |
73 | fputs(USAGE_HEADER, out); | |
74 | fprintf(out, _( | |
75 | " %1$s [-hV]\n" | |
76 | " %1$s -a [options]\n" | |
77 | " %1$s [options] <source> | <directory>\n"), | |
78 | program_invocation_short_name); | |
79 | ||
451dbcfa BS |
80 | fputs(USAGE_SEPARATOR, out); |
81 | fputs(_("Unmount filesystems.\n"), out); | |
82 | ||
db216e68 | 83 | fputs(USAGE_OPTIONS, out); |
4eb49f63 | 84 | fputs(_(" -a, --all unmount all filesystems\n"), out); |
8356d27d | 85 | fputs(_(" -A, --all-targets unmount all mountpoints for the given device in the\n" |
4ce393f4 | 86 | " current namespace\n"), out); |
83d91100 SK |
87 | fputs(_(" -c, --no-canonicalize don't canonicalize paths\n"), out); |
88 | fputs(_(" -d, --detach-loop if mounted loop device, also free this loop device\n"), out); | |
89 | fputs(_(" --fake dry run; skip the umount(2) syscall\n"), out); | |
90 | fputs(_(" -f, --force force unmount (in case of an unreachable NFS system)\n"), out); | |
91 | fputs(_(" -i, --internal-only don't call the umount.<type> helpers\n"), out); | |
92 | fputs(_(" -n, --no-mtab don't write to /etc/mtab\n"), out); | |
4ce393f4 | 93 | fputs(_(" -l, --lazy detach the filesystem now, clean up things later\n"), out); |
83d91100 SK |
94 | fputs(_(" -O, --test-opts <list> limit the set of filesystems (use with -a)\n"), out); |
95 | fputs(_(" -R, --recursive recursively unmount a target with all its children\n"), out); | |
4ce393f4 | 96 | fputs(_(" -r, --read-only in case unmounting fails, try to remount read-only\n"), out); |
83d91100 SK |
97 | fputs(_(" -t, --types <list> limit the set of filesystem types\n"), out); |
98 | fputs(_(" -v, --verbose say what is being done\n"), out); | |
db216e68 KZ |
99 | |
100 | fputs(USAGE_SEPARATOR, out); | |
101 | fputs(USAGE_HELP, out); | |
102 | fputs(USAGE_VERSION, out); | |
103 | fprintf(out, USAGE_MAN_TAIL("umount(8)")); | |
104 | ||
73f9a114 | 105 | exit(out == stderr ? MOUNT_EX_USAGE : MOUNT_EX_SUCCESS); |
db216e68 KZ |
106 | } |
107 | ||
108 | static void __attribute__((__noreturn__)) exit_non_root(const char *option) | |
109 | { | |
110 | const uid_t ruid = getuid(); | |
111 | const uid_t euid = geteuid(); | |
112 | ||
113 | if (ruid == 0 && euid != 0) { | |
114 | /* user is root, but setuid to non-root */ | |
115 | if (option) | |
73f9a114 | 116 | errx(MOUNT_EX_USAGE, |
db216e68 KZ |
117 | _("only root can use \"--%s\" option " |
118 | "(effective UID is %u)"), | |
119 | option, euid); | |
73f9a114 | 120 | errx(MOUNT_EX_USAGE, _("only root can do that " |
db216e68 KZ |
121 | "(effective UID is %u)"), euid); |
122 | } | |
123 | if (option) | |
73f9a114 KZ |
124 | errx(MOUNT_EX_USAGE, _("only root can use \"--%s\" option"), option); |
125 | errx(MOUNT_EX_USAGE, _("only root can do that")); | |
126 | } | |
127 | ||
84600ddc KZ |
128 | static void success_message(struct libmnt_context *cxt) |
129 | { | |
130 | const char *tgt, *src; | |
131 | ||
132 | if (mnt_context_helper_executed(cxt) | |
133 | || mnt_context_get_status(cxt) != 1) | |
134 | return; | |
135 | ||
136 | tgt = mnt_context_get_target(cxt); | |
137 | if (!tgt) | |
138 | return; | |
139 | ||
140 | src = mnt_context_get_source(cxt); | |
141 | if (src) | |
142 | warnx(_("%s (%s) unmounted"), tgt, src); | |
143 | else | |
144 | warnx(_("%s unmounted"), tgt); | |
145 | } | |
146 | ||
73f9a114 KZ |
147 | static int mk_exit_code(struct libmnt_context *cxt, int rc) |
148 | { | |
e1706a67 KZ |
149 | char buf[BUFSIZ] = { 0 }; |
150 | ||
151 | rc = mnt_context_get_excode(cxt, rc, buf, sizeof(buf)); | |
152 | if (*buf) { | |
153 | const char *spec = mnt_context_get_target(cxt); | |
154 | if (!spec) | |
155 | spec = mnt_context_get_source(cxt); | |
156 | if (!spec) | |
157 | spec = "???"; | |
158 | warnx(_("%s: %s."), spec, buf); | |
73f9a114 | 159 | } |
e1706a67 | 160 | return rc; |
db216e68 KZ |
161 | } |
162 | ||
190c342a | 163 | static int umount_all(struct libmnt_context *cxt) |
db216e68 | 164 | { |
190c342a KZ |
165 | struct libmnt_iter *itr; |
166 | struct libmnt_fs *fs; | |
167 | int mntrc, ignored, rc = 0; | |
168 | ||
169 | itr = mnt_new_iter(MNT_ITER_BACKWARD); | |
170 | if (!itr) { | |
171 | warn(_("failed to initialize libmount iterator")); | |
06069d5f | 172 | return MOUNT_EX_SYSERR; |
190c342a KZ |
173 | } |
174 | ||
175 | while (mnt_context_next_umount(cxt, itr, &fs, &mntrc, &ignored) == 0) { | |
176 | ||
177 | const char *tgt = mnt_fs_get_target(fs); | |
178 | ||
179 | if (ignored) { | |
180 | if (mnt_context_is_verbose(cxt)) | |
181 | printf(_("%-25s: ignored\n"), tgt); | |
190c342a | 182 | } else { |
0ce2fe87 | 183 | int xrc = mk_exit_code(cxt, mntrc); |
73f9a114 | 184 | |
0ce2fe87 KZ |
185 | if (xrc == MOUNT_EX_SUCCESS |
186 | && mnt_context_is_verbose(cxt)) | |
4ce393f4 | 187 | printf("%-25s: successfully unmounted\n", tgt); |
0ce2fe87 | 188 | rc |= xrc; |
190c342a KZ |
189 | } |
190 | } | |
191 | ||
0f2d6476 | 192 | mnt_free_iter(itr); |
190c342a | 193 | return rc; |
db216e68 KZ |
194 | } |
195 | ||
196 | static int umount_one(struct libmnt_context *cxt, const char *spec) | |
197 | { | |
198 | int rc; | |
199 | ||
200 | if (!spec) | |
06069d5f | 201 | return MOUNT_EX_SOFTWARE; |
db216e68 KZ |
202 | |
203 | if (mnt_context_set_target(cxt, spec)) | |
73f9a114 | 204 | err(MOUNT_EX_SYSERR, _("failed to set umount target")); |
db216e68 KZ |
205 | |
206 | rc = mnt_context_umount(cxt); | |
73f9a114 | 207 | rc = mk_exit_code(cxt, rc); |
db216e68 | 208 | |
84600ddc KZ |
209 | if (rc == MOUNT_EX_SUCCESS && mnt_context_is_verbose(cxt)) |
210 | success_message(cxt); | |
211 | ||
db216e68 KZ |
212 | mnt_reset_context(cxt); |
213 | return rc; | |
214 | } | |
215 | ||
4eb49f63 KZ |
216 | static struct libmnt_table *new_mountinfo(struct libmnt_context *cxt) |
217 | { | |
218 | struct libmnt_table *tb = mnt_new_table(); | |
219 | if (!tb) | |
220 | err(MOUNT_EX_SYSERR, _("libmount table allocation failed")); | |
221 | ||
222 | mnt_table_set_parser_errcb(tb, table_parser_errcb); | |
223 | mnt_table_set_cache(tb, mnt_context_get_cache(cxt)); | |
224 | ||
225 | if (mnt_table_parse_file(tb, _PATH_PROC_MOUNTINFO)) { | |
226 | warn(_("failed to parse %s"), _PATH_PROC_MOUNTINFO); | |
50fccba1 | 227 | mnt_unref_table(tb); |
4eb49f63 KZ |
228 | tb = NULL; |
229 | } | |
230 | ||
231 | return tb; | |
232 | } | |
233 | ||
234 | /* | |
235 | * like umount_one() but does not return error is @spec not mounted | |
236 | */ | |
237 | static int umount_one_if_mounted(struct libmnt_context *cxt, const char *spec) | |
238 | { | |
239 | int rc; | |
240 | struct libmnt_fs *fs; | |
241 | ||
242 | rc = mnt_context_find_umount_fs(cxt, spec, &fs); | |
243 | if (rc == 1) { | |
9e930041 | 244 | rc = MOUNT_EX_SUCCESS; /* already unmounted */ |
4eb49f63 KZ |
245 | mnt_reset_context(cxt); |
246 | } else if (rc < 0) { | |
247 | rc = mk_exit_code(cxt, rc); /* error */ | |
248 | mnt_reset_context(cxt); | |
249 | } else | |
250 | rc = umount_one(cxt, mnt_fs_get_target(fs)); | |
251 | ||
252 | return rc; | |
253 | } | |
254 | ||
13ee1c91 | 255 | static int umount_do_recurse(struct libmnt_context *cxt, |
4eb49f63 | 256 | struct libmnt_table *tb, struct libmnt_fs *fs) |
13ee1c91 | 257 | { |
13ee1c91 | 258 | struct libmnt_fs *child; |
13ee1c91 | 259 | struct libmnt_iter *itr = mnt_new_iter(MNT_ITER_BACKWARD); |
4eb49f63 | 260 | int rc; |
13ee1c91 DR |
261 | |
262 | if (!itr) | |
263 | err(MOUNT_EX_SYSERR, _("libmount iterator allocation failed")); | |
4eb49f63 | 264 | |
9e930041 | 265 | /* umount all children */ |
13ee1c91 | 266 | for (;;) { |
4eb49f63 | 267 | rc = mnt_table_next_child_fs(tb, itr, fs, &child); |
13ee1c91 | 268 | if (rc < 0) { |
4eb49f63 KZ |
269 | warnx(_("failed to get child fs of %s"), |
270 | mnt_fs_get_target(fs)); | |
13ee1c91 DR |
271 | rc = MOUNT_EX_SOFTWARE; |
272 | goto done; | |
273 | } else if (rc == 1) | |
274 | break; /* no more children */ | |
275 | ||
276 | rc = umount_do_recurse(cxt, tb, child); | |
277 | if (rc != MOUNT_EX_SUCCESS) | |
278 | goto done; | |
279 | } | |
280 | ||
4eb49f63 | 281 | rc = umount_one_if_mounted(cxt, mnt_fs_get_target(fs)); |
13ee1c91 DR |
282 | done: |
283 | mnt_free_iter(itr); | |
284 | return rc; | |
285 | } | |
286 | ||
287 | static int umount_recursive(struct libmnt_context *cxt, const char *spec) | |
288 | { | |
289 | struct libmnt_table *tb; | |
4eb49f63 | 290 | struct libmnt_fs *fs; |
13ee1c91 DR |
291 | int rc; |
292 | ||
4eb49f63 KZ |
293 | tb = new_mountinfo(cxt); |
294 | if (!tb) | |
295 | return MOUNT_EX_SOFTWARE; | |
296 | ||
ae978c4d KZ |
297 | /* it's always real mountpoint, don't assume that the target maybe a device */ |
298 | mnt_context_disable_swapmatch(cxt, 1); | |
299 | ||
4eb49f63 KZ |
300 | fs = mnt_table_find_target(tb, spec, MNT_ITER_BACKWARD); |
301 | if (fs) | |
302 | rc = umount_do_recurse(cxt, tb, fs); | |
303 | else { | |
304 | rc = MOUNT_EX_USAGE; | |
305 | warnx(access(spec, F_OK) == 0 ? | |
306 | _("%s: not mounted") : | |
307 | _("%s: not found"), spec); | |
308 | } | |
a8cc72de | 309 | |
50fccba1 | 310 | mnt_unref_table(tb); |
4eb49f63 KZ |
311 | return rc; |
312 | } | |
7b4a2697 | 313 | |
4eb49f63 KZ |
314 | static int umount_alltargets(struct libmnt_context *cxt, const char *spec, int rec) |
315 | { | |
316 | struct libmnt_fs *fs; | |
317 | struct libmnt_table *tb; | |
318 | struct libmnt_iter *itr = NULL; | |
f697d61b | 319 | dev_t devno = 0; |
4eb49f63 KZ |
320 | int rc; |
321 | ||
322 | /* Convert @spec to device name, Use the same logic like regular | |
323 | * "umount <spec>". | |
13ee1c91 | 324 | */ |
4eb49f63 KZ |
325 | rc = mnt_context_find_umount_fs(cxt, spec, &fs); |
326 | if (rc == 1) { | |
327 | rc = MOUNT_EX_USAGE; | |
328 | warnx(access(spec, F_OK) == 0 ? | |
329 | _("%s: not mounted") : | |
330 | _("%s: not found"), spec); | |
331 | return rc; | |
332 | } | |
333 | if (rc < 0) | |
334 | return mk_exit_code(cxt, rc); /* error */ | |
13ee1c91 | 335 | |
f697d61b | 336 | if (!mnt_fs_get_srcpath(fs) || !mnt_fs_get_devno(fs)) |
fd7c4924 KZ |
337 | errx(MOUNT_EX_USAGE, _("%s: failed to determine source " |
338 | "(--all-targets is unsupported on systems with " | |
339 | "regular mtab file)."), spec); | |
4eb49f63 KZ |
340 | |
341 | itr = mnt_new_iter(MNT_ITER_BACKWARD); | |
342 | if (!itr) | |
343 | err(MOUNT_EX_SYSERR, _("libmount iterator allocation failed")); | |
344 | ||
345 | /* get on @cxt independent mountinfo */ | |
346 | tb = new_mountinfo(cxt); | |
86c58c4a KZ |
347 | if (!tb) { |
348 | rc = MOUNT_EX_SOFTWARE; | |
349 | goto done; | |
350 | } | |
4eb49f63 | 351 | |
9e930041 | 352 | /* Note that @fs is from mount context and the context will be reset |
4eb49f63 | 353 | * after each umount() call */ |
f697d61b | 354 | devno = mnt_fs_get_devno(fs); |
4eb49f63 KZ |
355 | fs = NULL; |
356 | ||
357 | mnt_reset_context(cxt); | |
358 | ||
359 | while (mnt_table_next_fs(tb, itr, &fs) == 0) { | |
f697d61b | 360 | if (mnt_fs_get_devno(fs) != devno) |
4eb49f63 KZ |
361 | continue; |
362 | mnt_context_disable_swapmatch(cxt, 1); | |
363 | if (rec) | |
13ee1c91 | 364 | rc = umount_do_recurse(cxt, tb, fs); |
4eb49f63 KZ |
365 | else |
366 | rc = umount_one_if_mounted(cxt, mnt_fs_get_target(fs)); | |
367 | ||
368 | if (rc != MOUNT_EX_SUCCESS) | |
369 | break; | |
13ee1c91 DR |
370 | } |
371 | ||
86c58c4a | 372 | done: |
4eb49f63 | 373 | mnt_free_iter(itr); |
50fccba1 | 374 | mnt_unref_table(tb); |
4eb49f63 | 375 | |
13ee1c91 DR |
376 | return rc; |
377 | } | |
378 | ||
cc8cc8f3 KZ |
379 | /* |
380 | * Check path -- non-root user should not be able to resolve path which is | |
381 | * unreadable for him. | |
382 | */ | |
383 | static char *sanitize_path(const char *path) | |
384 | { | |
385 | char *p; | |
386 | ||
387 | if (!path) | |
388 | return NULL; | |
389 | ||
390 | p = canonicalize_path_restricted(path); | |
391 | if (!p) | |
392 | err(MOUNT_EX_USAGE, "%s", path); | |
393 | ||
394 | return p; | |
395 | } | |
396 | ||
db216e68 KZ |
397 | int main(int argc, char **argv) |
398 | { | |
4eb49f63 | 399 | int c, rc = 0, all = 0, recursive = 0, alltargets = 0; |
db216e68 KZ |
400 | struct libmnt_context *cxt; |
401 | char *types = NULL; | |
402 | ||
403 | enum { | |
404 | UMOUNT_OPT_FAKE = CHAR_MAX + 1, | |
405 | }; | |
406 | ||
407 | static const struct option longopts[] = { | |
87918040 SK |
408 | { "all", no_argument, NULL, 'a' }, |
409 | { "all-targets", no_argument, NULL, 'A' }, | |
410 | { "detach-loop", no_argument, NULL, 'd' }, | |
411 | { "fake", no_argument, NULL, UMOUNT_OPT_FAKE }, | |
412 | { "force", no_argument, NULL, 'f' }, | |
413 | { "help", no_argument, NULL, 'h' }, | |
414 | { "internal-only", no_argument, NULL, 'i' }, | |
415 | { "lazy", no_argument, NULL, 'l' }, | |
416 | { "no-canonicalize", no_argument, NULL, 'c' }, | |
417 | { "no-mtab", no_argument, NULL, 'n' }, | |
418 | { "read-only", no_argument, NULL, 'r' }, | |
419 | { "recursive", no_argument, NULL, 'R' }, | |
420 | { "test-opts", required_argument, NULL, 'O' }, | |
421 | { "types", required_argument, NULL, 't' }, | |
422 | { "verbose", no_argument, NULL, 'v' }, | |
423 | { "version", no_argument, NULL, 'V' }, | |
424 | { NULL, 0, NULL, 0 } | |
db216e68 KZ |
425 | }; |
426 | ||
a7349ee3 | 427 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
4eb49f63 | 428 | { 'A','a' }, /* all-targets,all */ |
a8cc72de KZ |
429 | { 'R','a' }, /* recursive,all */ |
430 | { 'O','R','t'}, /* options,recursive,types */ | |
431 | { 'R','r' }, /* recursive,read-only */ | |
432 | { 0 } | |
433 | }; | |
434 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
435 | ||
db216e68 KZ |
436 | sanitize_env(); |
437 | setlocale(LC_ALL, ""); | |
438 | bindtextdomain(PACKAGE, LOCALEDIR); | |
439 | textdomain(PACKAGE); | |
efb8854f | 440 | atexit(close_stdout); |
db216e68 KZ |
441 | |
442 | mnt_init_debug(0); | |
443 | cxt = mnt_new_context(); | |
444 | if (!cxt) | |
73f9a114 | 445 | err(MOUNT_EX_SYSERR, _("libmount context allocation failed")); |
db216e68 KZ |
446 | |
447 | mnt_context_set_tables_errcb(cxt, table_parser_errcb); | |
448 | ||
4eb49f63 | 449 | while ((c = getopt_long(argc, argv, "aAcdfhilnRrO:t:vV", |
db216e68 KZ |
450 | longopts, NULL)) != -1) { |
451 | ||
452 | ||
453 | /* only few options are allowed for non-root users */ | |
454 | if (mnt_context_is_restricted(cxt) && !strchr("hdilVv", c)) | |
455 | exit_non_root(option_to_longopt(c, longopts)); | |
456 | ||
a8cc72de KZ |
457 | err_exclusive_options(c, longopts, excl, excl_st); |
458 | ||
db216e68 KZ |
459 | switch(c) { |
460 | case 'a': | |
461 | all = 1; | |
462 | break; | |
4eb49f63 KZ |
463 | case 'A': |
464 | alltargets = 1; | |
465 | break; | |
db216e68 KZ |
466 | case 'c': |
467 | mnt_context_disable_canonicalize(cxt, TRUE); | |
468 | break; | |
469 | case 'd': | |
470 | mnt_context_enable_loopdel(cxt, TRUE); | |
471 | break; | |
472 | case UMOUNT_OPT_FAKE: | |
473 | mnt_context_enable_fake(cxt, TRUE); | |
474 | break; | |
475 | case 'f': | |
476 | mnt_context_enable_force(cxt, TRUE); | |
477 | break; | |
478 | case 'h': | |
479 | usage(stdout); | |
480 | break; | |
481 | case 'i': | |
482 | mnt_context_disable_helpers(cxt, TRUE); | |
483 | break; | |
484 | case 'l': | |
485 | mnt_context_enable_lazy(cxt, TRUE); | |
486 | break; | |
487 | case 'n': | |
488 | mnt_context_disable_mtab(cxt, TRUE); | |
489 | break; | |
490 | case 'r': | |
491 | mnt_context_enable_rdonly_umount(cxt, TRUE); | |
492 | break; | |
13ee1c91 DR |
493 | case 'R': |
494 | recursive = TRUE; | |
495 | break; | |
db216e68 KZ |
496 | case 'O': |
497 | if (mnt_context_set_options_pattern(cxt, optarg)) | |
73f9a114 | 498 | err(MOUNT_EX_SYSERR, _("failed to set options pattern")); |
db216e68 KZ |
499 | break; |
500 | case 't': | |
501 | types = optarg; | |
502 | break; | |
503 | case 'v': | |
504 | mnt_context_enable_verbose(cxt, TRUE); | |
505 | break; | |
506 | case 'V': | |
507 | print_version(); | |
508 | break; | |
509 | default: | |
677ec86c | 510 | errtryhelp(MOUNT_EX_USAGE); |
db216e68 KZ |
511 | } |
512 | } | |
513 | ||
514 | argc -= optind; | |
515 | argv += optind; | |
516 | ||
517 | if (all) { | |
518 | if (!types) | |
9e66fd30 | 519 | types = "noproc,nodevfs,nodevpts,nosysfs,norpc_pipefs,nonfsd,noselinuxfs"; |
db216e68 KZ |
520 | |
521 | mnt_context_set_fstype_pattern(cxt, types); | |
522 | rc = umount_all(cxt); | |
523 | ||
524 | } else if (argc < 1) { | |
525 | usage(stderr); | |
526 | ||
4eb49f63 KZ |
527 | } else if (alltargets) { |
528 | while (argc--) | |
529 | rc += umount_alltargets(cxt, *argv++, recursive); | |
13ee1c91 DR |
530 | } else if (recursive) { |
531 | while (argc--) | |
532 | rc += umount_recursive(cxt, *argv++); | |
533 | } else { | |
cc8cc8f3 | 534 | while (argc--) { |
d41acf74 | 535 | char *path = *argv; |
cc8cc8f3 | 536 | |
d41acf74 KZ |
537 | if (mnt_context_is_restricted(cxt) |
538 | && !mnt_tag_is_valid(path)) | |
cc8cc8f3 KZ |
539 | path = sanitize_path(path); |
540 | ||
541 | rc += umount_one(cxt, path); | |
542 | ||
d41acf74 | 543 | if (path != *argv) |
cc8cc8f3 | 544 | free(path); |
d41acf74 | 545 | argv++; |
cc8cc8f3 | 546 | } |
13ee1c91 | 547 | } |
db216e68 KZ |
548 | |
549 | mnt_free_context(cxt); | |
a9add961 | 550 | return (rc < 256) ? rc : 255; |
db216e68 KZ |
551 | } |
552 |