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6b1dc2bd LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <mntent.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | #include "log.h" | |
29 | #include "util.h" | |
30 | #include "unit-name.h" | |
31 | #include "path-util.h" | |
32 | #include "mount-setup.h" | |
33 | #include "special.h" | |
34 | #include "mkdir.h" | |
94734142 | 35 | #include "virt.h" |
6b1dc2bd LP |
36 | |
37 | static const char *arg_dest = "/tmp"; | |
94734142 | 38 | static bool arg_enabled = true; |
6b1dc2bd LP |
39 | |
40 | static int device_name(const char *path, char **unit) { | |
41 | char *p; | |
42 | ||
43 | assert(path); | |
44 | ||
45 | if (!is_device_path(path)) | |
46 | return 0; | |
47 | ||
48 | p = unit_name_from_path(path, ".device"); | |
49 | if (!p) | |
0d0f0c50 | 50 | return log_oom(); |
6b1dc2bd LP |
51 | |
52 | *unit = p; | |
53 | return 1; | |
54 | } | |
55 | ||
56 | static int mount_find_pri(struct mntent *me, int *ret) { | |
57 | char *end, *pri; | |
58 | unsigned long r; | |
59 | ||
60 | assert(me); | |
61 | assert(ret); | |
62 | ||
63 | pri = hasmntopt(me, "pri"); | |
64 | if (!pri) | |
65 | return 0; | |
66 | ||
67 | pri += 4; | |
68 | ||
69 | errno = 0; | |
70 | r = strtoul(pri, &end, 10); | |
71 | if (errno != 0) | |
72 | return -errno; | |
73 | ||
74 | if (end == pri || (*end != ',' && *end != 0)) | |
75 | return -EINVAL; | |
76 | ||
77 | *ret = (int) r; | |
78 | return 1; | |
79 | } | |
80 | ||
81 | static int add_swap(const char *what, struct mntent *me) { | |
d0aa9ce5 ZJS |
82 | char _cleanup_free_ *name = NULL, *unit = NULL, *lnk = NULL, *device = NULL; |
83 | FILE _cleanup_fclose_ *f = NULL; | |
6b1dc2bd LP |
84 | bool noauto, nofail; |
85 | int r, pri = -1; | |
86 | ||
87 | assert(what); | |
88 | assert(me); | |
89 | ||
90 | r = mount_find_pri(me, &pri); | |
91 | if (r < 0) { | |
92 | log_error("Failed to parse priority"); | |
93 | return pri; | |
94 | } | |
95 | ||
96 | noauto = !!hasmntopt(me, "noauto"); | |
97 | nofail = !!hasmntopt(me, "nofail"); | |
98 | ||
99 | name = unit_name_from_path(what, ".swap"); | |
d0aa9ce5 ZJS |
100 | if (!name) |
101 | return log_oom(); | |
6b1dc2bd | 102 | |
b7def684 | 103 | unit = strjoin(arg_dest, "/", name, NULL); |
d0aa9ce5 ZJS |
104 | if (!unit) |
105 | return log_oom(); | |
6b1dc2bd LP |
106 | |
107 | f = fopen(unit, "wxe"); | |
108 | if (!f) { | |
67ab5f76 TG |
109 | if (errno == EEXIST) |
110 | log_error("Failed to create swap unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit); | |
111 | else | |
112 | log_error("Failed to create unit file %s: %m", unit); | |
d0aa9ce5 | 113 | return -errno; |
6b1dc2bd LP |
114 | } |
115 | ||
116 | fputs("# Automatically generated by systemd-fstab-generator\n\n" | |
117 | "[Unit]\n" | |
1b64d026 | 118 | "SourcePath=/etc/fstab\n" |
6b1dc2bd LP |
119 | "DefaultDependencies=no\n" |
120 | "Conflicts=" SPECIAL_UMOUNT_TARGET "\n" | |
121 | "Before=" SPECIAL_UMOUNT_TARGET "\n", f); | |
122 | ||
123 | if (!noauto && !nofail) | |
124 | fputs("Before=" SPECIAL_SWAP_TARGET "\n", f); | |
125 | ||
126 | fprintf(f, | |
127 | "\n" | |
128 | "[Swap]\n" | |
129 | "What=%s\n", | |
130 | what); | |
131 | ||
132 | if (pri >= 0) | |
133 | fprintf(f, | |
134 | "Priority=%i\n", | |
135 | pri); | |
136 | ||
137 | fflush(f); | |
138 | if (ferror(f)) { | |
40b8acd0 | 139 | log_error("Failed to write unit file %s: %m", unit); |
d0aa9ce5 | 140 | return -errno; |
6b1dc2bd LP |
141 | } |
142 | ||
143 | if (!noauto) { | |
b7def684 | 144 | lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL); |
d0aa9ce5 ZJS |
145 | if (!lnk) |
146 | return log_oom(); | |
6b1dc2bd | 147 | |
d2e54fae | 148 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 149 | if (symlink(unit, lnk) < 0) { |
40b8acd0 | 150 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 151 | return -errno; |
6b1dc2bd LP |
152 | } |
153 | ||
154 | r = device_name(what, &device); | |
0d0f0c50 | 155 | if (r < 0) |
d0aa9ce5 | 156 | return r; |
6b1dc2bd LP |
157 | |
158 | if (r > 0) { | |
159 | free(lnk); | |
b7def684 | 160 | lnk = strjoin(arg_dest, "/", device, ".wants/", name, NULL); |
d0aa9ce5 ZJS |
161 | if (!lnk) |
162 | return log_oom(); | |
6b1dc2bd | 163 | |
d2e54fae | 164 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 165 | if (symlink(unit, lnk) < 0) { |
40b8acd0 | 166 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 167 | return -errno; |
6b1dc2bd LP |
168 | } |
169 | } | |
170 | } | |
171 | ||
d0aa9ce5 | 172 | return 0; |
6b1dc2bd LP |
173 | } |
174 | ||
f9ea108e LP |
175 | static bool mount_is_bind(struct mntent *me) { |
176 | assert(me); | |
177 | ||
178 | return | |
179 | hasmntopt(me, "bind") || | |
180 | streq(me->mnt_type, "bind"); | |
181 | } | |
182 | ||
6b1dc2bd LP |
183 | static bool mount_is_network(struct mntent *me) { |
184 | assert(me); | |
185 | ||
186 | return | |
187 | hasmntopt(me, "_netdev") || | |
188 | fstype_is_network(me->mnt_type); | |
189 | } | |
190 | ||
5e398e54 TG |
191 | static int add_mount(const char *what, const char *where, const char *type, const char *opts, |
192 | int passno, bool wait, bool noauto, bool nofail, bool automount, bool isbind, bool isnetwork, | |
193 | const char *source) { | |
d0aa9ce5 ZJS |
194 | char _cleanup_free_ |
195 | *name = NULL, *unit = NULL, *lnk = NULL, *device = NULL, | |
196 | *automount_name = NULL, *automount_unit = NULL; | |
197 | FILE _cleanup_fclose_ *f = NULL; | |
6b1dc2bd LP |
198 | int r; |
199 | const char *post, *pre; | |
200 | ||
201 | assert(what); | |
202 | assert(where); | |
5e398e54 TG |
203 | assert(type); |
204 | assert(opts); | |
205 | assert(source); | |
6b1dc2bd | 206 | |
5e398e54 | 207 | if (streq(type, "autofs")) |
6b1dc2bd LP |
208 | return 0; |
209 | ||
210 | if (!is_path(where)) { | |
211 | log_warning("Mount point %s is not a valid path, ignoring.", where); | |
212 | return 0; | |
213 | } | |
214 | ||
215 | if (mount_point_is_api(where) || | |
216 | mount_point_ignore(where)) | |
217 | return 0; | |
218 | ||
6b1dc2bd LP |
219 | if (isnetwork) { |
220 | post = SPECIAL_REMOTE_FS_TARGET; | |
221 | pre = SPECIAL_REMOTE_FS_PRE_TARGET; | |
222 | } else { | |
223 | post = SPECIAL_LOCAL_FS_TARGET; | |
224 | pre = SPECIAL_LOCAL_FS_PRE_TARGET; | |
225 | } | |
226 | ||
227 | name = unit_name_from_path(where, ".mount"); | |
d0aa9ce5 ZJS |
228 | if (!name) |
229 | return log_oom(); | |
6b1dc2bd | 230 | |
b7def684 | 231 | unit = strjoin(arg_dest, "/", name, NULL); |
d0aa9ce5 ZJS |
232 | if (!unit) |
233 | return log_oom(); | |
6b1dc2bd LP |
234 | |
235 | f = fopen(unit, "wxe"); | |
236 | if (!f) { | |
67ab5f76 TG |
237 | if (errno == EEXIST) |
238 | log_error("Failed to create mount unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit); | |
239 | else | |
240 | log_error("Failed to create unit file %s: %m", unit); | |
d0aa9ce5 | 241 | return -errno; |
6b1dc2bd LP |
242 | } |
243 | ||
5e398e54 TG |
244 | fprintf(f, |
245 | "# Automatically generated by systemd-fstab-generator\n\n" | |
6b1dc2bd | 246 | "[Unit]\n" |
5e398e54 TG |
247 | "SourcePath=%s\n" |
248 | "DefaultDependencies=no\n", | |
249 | source); | |
6b1dc2bd LP |
250 | |
251 | if (!path_equal(where, "/")) | |
252 | fprintf(f, | |
253 | "After=%s\n" | |
254 | "Wants=%s\n" | |
255 | "Conflicts=" SPECIAL_UMOUNT_TARGET "\n" | |
256 | "Before=" SPECIAL_UMOUNT_TARGET "\n", | |
257 | pre, | |
258 | pre); | |
259 | ||
260 | ||
261 | if (!noauto && !nofail && !automount) | |
262 | fprintf(f, | |
263 | "Before=%s\n", | |
264 | post); | |
265 | ||
266 | fprintf(f, | |
267 | "\n" | |
268 | "[Mount]\n" | |
269 | "What=%s\n" | |
270 | "Where=%s\n" | |
271 | "Type=%s\n" | |
272 | "FsckPassNo=%i\n", | |
273 | what, | |
274 | where, | |
5e398e54 TG |
275 | type, |
276 | passno); | |
6b1dc2bd | 277 | |
5e398e54 TG |
278 | if (!isempty(opts) && |
279 | !streq(opts, "defaults")) | |
6b1dc2bd LP |
280 | fprintf(f, |
281 | "Options=%s\n", | |
5e398e54 TG |
282 | opts); |
283 | ||
284 | if (wait) | |
285 | fprintf(f, | |
286 | "TimeoutSec=0\n"); | |
6b1dc2bd LP |
287 | |
288 | fflush(f); | |
289 | if (ferror(f)) { | |
40b8acd0 | 290 | log_error("Failed to write unit file %s: %m", unit); |
d0aa9ce5 | 291 | return -errno; |
6b1dc2bd LP |
292 | } |
293 | ||
294 | if (!noauto) { | |
b7def684 | 295 | lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL); |
d0aa9ce5 ZJS |
296 | if (!lnk) |
297 | return log_oom(); | |
6b1dc2bd | 298 | |
d2e54fae | 299 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 300 | if (symlink(unit, lnk) < 0) { |
40b8acd0 | 301 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 302 | return -errno; |
6b1dc2bd LP |
303 | } |
304 | ||
305 | if (!isbind && | |
306 | !path_equal(where, "/")) { | |
307 | ||
308 | r = device_name(what, &device); | |
0d0f0c50 | 309 | if (r < 0) |
d0aa9ce5 | 310 | return r; |
6b1dc2bd LP |
311 | |
312 | if (r > 0) { | |
313 | free(lnk); | |
b7def684 | 314 | lnk = strjoin(arg_dest, "/", device, ".wants/", name, NULL); |
d0aa9ce5 ZJS |
315 | if (!lnk) |
316 | return log_oom(); | |
6b1dc2bd | 317 | |
d2e54fae | 318 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 319 | if (symlink(unit, lnk) < 0) { |
40b8acd0 | 320 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 321 | return -errno; |
6b1dc2bd LP |
322 | } |
323 | } | |
324 | } | |
325 | } | |
326 | ||
327 | if (automount && !path_equal(where, "/")) { | |
328 | automount_name = unit_name_from_path(where, ".automount"); | |
d0aa9ce5 ZJS |
329 | if (!name) |
330 | return log_oom(); | |
6b1dc2bd | 331 | |
b7def684 | 332 | automount_unit = strjoin(arg_dest, "/", automount_name, NULL); |
d0aa9ce5 ZJS |
333 | if (!automount_unit) |
334 | return log_oom(); | |
6b1dc2bd LP |
335 | |
336 | fclose(f); | |
337 | f = fopen(automount_unit, "wxe"); | |
338 | if (!f) { | |
40b8acd0 | 339 | log_error("Failed to create unit file %s: %m", automount_unit); |
d0aa9ce5 | 340 | return -errno; |
6b1dc2bd LP |
341 | } |
342 | ||
343 | fprintf(f, | |
344 | "# Automatically generated by systemd-fstab-generator\n\n" | |
345 | "[Unit]\n" | |
1b64d026 | 346 | "SourcePath=/etc/fstab\n" |
6b1dc2bd LP |
347 | "DefaultDependencies=no\n" |
348 | "Conflicts=" SPECIAL_UMOUNT_TARGET "\n" | |
349 | "Before=" SPECIAL_UMOUNT_TARGET " %s\n" | |
350 | "\n" | |
351 | "[Automount]\n" | |
352 | "Where=%s\n", | |
353 | post, | |
354 | where); | |
355 | ||
356 | fflush(f); | |
357 | if (ferror(f)) { | |
40b8acd0 | 358 | log_error("Failed to write unit file %s: %m", automount_unit); |
d0aa9ce5 | 359 | return -errno; |
6b1dc2bd LP |
360 | } |
361 | ||
362 | free(lnk); | |
b7def684 | 363 | lnk = strjoin(arg_dest, "/", post, nofail ? ".wants/" : ".requires/", automount_name, NULL); |
d0aa9ce5 ZJS |
364 | if (!lnk) |
365 | return log_oom(); | |
6b1dc2bd | 366 | |
d2e54fae | 367 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 368 | if (symlink(automount_unit, lnk) < 0) { |
40b8acd0 | 369 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 370 | return -errno; |
6b1dc2bd LP |
371 | } |
372 | } | |
373 | ||
d0aa9ce5 | 374 | return 0; |
6b1dc2bd LP |
375 | } |
376 | ||
377 | static int parse_fstab(void) { | |
378 | FILE *f; | |
379 | int r = 0; | |
380 | struct mntent *me; | |
381 | ||
382 | errno = 0; | |
383 | f = setmntent("/etc/fstab", "r"); | |
384 | if (!f) { | |
385 | if (errno == ENOENT) | |
386 | return 0; | |
387 | ||
388 | log_error("Failed to open /etc/fstab: %m"); | |
389 | return -errno; | |
390 | } | |
391 | ||
392 | while ((me = getmntent(f))) { | |
d0aa9ce5 | 393 | char _cleanup_free_ *where = NULL, *what = NULL; |
6b1dc2bd LP |
394 | int k; |
395 | ||
396 | what = fstab_node_to_udev_node(me->mnt_fsname); | |
6b1dc2bd | 397 | where = strdup(me->mnt_dir); |
d0aa9ce5 | 398 | if (!what || !where) { |
0d0f0c50 | 399 | r = log_oom(); |
6b1dc2bd LP |
400 | goto finish; |
401 | } | |
402 | ||
ec6ceb18 | 403 | if (is_path(where)) |
6b1dc2bd LP |
404 | path_kill_slashes(where); |
405 | ||
406 | log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type); | |
407 | ||
408 | if (streq(me->mnt_type, "swap")) | |
409 | k = add_swap(what, me); | |
5e398e54 TG |
410 | else { |
411 | bool noauto, nofail, automount, isbind, isnetwork; | |
412 | ||
413 | noauto = !!hasmntopt(me, "noauto"); | |
414 | nofail = !!hasmntopt(me, "nofail"); | |
415 | automount = | |
416 | hasmntopt(me, "comment=systemd.automount") || | |
417 | hasmntopt(me, "x-systemd.automount"); | |
418 | isbind = mount_is_bind(me); | |
419 | isnetwork = mount_is_network(me); | |
420 | ||
421 | k = add_mount(what, where, me->mnt_type, me->mnt_opts, | |
422 | me->mnt_passno, false, noauto, nofail, | |
423 | automount, isbind, isnetwork, | |
424 | "/etc/fstab"); | |
425 | } | |
6b1dc2bd | 426 | |
6b1dc2bd LP |
427 | if (k < 0) |
428 | r = k; | |
429 | } | |
430 | ||
431 | finish: | |
432 | endmntent(f); | |
433 | return r; | |
434 | } | |
435 | ||
5e398e54 TG |
436 | static int parse_new_root_from_proc_cmdline(void) { |
437 | char *w, *state; | |
438 | _cleanup_free_ char *what = NULL, *type = NULL, *opts = NULL, *line = NULL; | |
439 | int r; | |
440 | size_t l; | |
441 | bool wait = false; | |
442 | ||
443 | r = read_one_line_file("/proc/cmdline", &line); | |
444 | if (r < 0) { | |
445 | log_error("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); | |
446 | return 0; | |
447 | } | |
448 | ||
449 | opts = strdup("defaults"); | |
5e398e54 | 450 | type = strdup("auto"); |
d0aa9ce5 | 451 | if (!opts || !type) |
5e398e54 TG |
452 | return log_oom(); |
453 | ||
b929bf04 TA |
454 | /* root= and roofstype= may occur more than once, the last instance should take precedence. |
455 | * In the case of multiple rootflags= the arguments should be concatenated */ | |
5e398e54 TG |
456 | FOREACH_WORD_QUOTED(w, l, line, state) { |
457 | char *word, *tmp_word; | |
458 | ||
459 | word = strndup(w, l); | |
460 | if (!word) | |
461 | return log_oom(); | |
462 | ||
463 | else if (startswith(word, "root=")) { | |
464 | free(what); | |
465 | what = fstab_node_to_udev_node(word+5); | |
466 | if (!what) | |
467 | return log_oom(); | |
468 | ||
469 | } else if (startswith(word, "rootfstype=")) { | |
470 | free(type); | |
471 | type = strdup(word + 11); | |
472 | if (!type) | |
473 | return log_oom(); | |
474 | ||
475 | } else if (startswith(word, "rootflags=")) { | |
476 | tmp_word = opts; | |
477 | opts = strjoin(opts, ",", word + 10, NULL); | |
478 | free(tmp_word); | |
479 | if (!opts) | |
480 | return log_oom(); | |
481 | ||
482 | } else if (streq(word, "ro") || streq(word, "rw")) { | |
483 | tmp_word = opts; | |
484 | opts = strjoin(opts, ",", word, NULL); | |
485 | free(tmp_word); | |
486 | if (!opts) | |
487 | return log_oom(); | |
488 | ||
489 | } else if (streq(word, "rootwait")) | |
490 | wait = true; | |
491 | ||
492 | free(word); | |
493 | } | |
494 | ||
495 | if (what) { | |
496 | ||
497 | log_debug("Found entry what=%s where=/new_root type=%s", what, type); | |
498 | r = add_mount(what, "/new_root", type, opts, 0, wait, false, false, | |
499 | false, false, false, "/proc/cmdline"); | |
500 | ||
501 | if (r < 0) | |
502 | return r; | |
503 | } else | |
504 | log_error("Could not find a root= entry on the kernel commandline."); | |
5e398e54 TG |
505 | |
506 | return 0; | |
507 | } | |
508 | ||
94734142 | 509 | static int parse_proc_cmdline(void) { |
d0aa9ce5 ZJS |
510 | char _cleanup_free_ *line = NULL; |
511 | char *w, *state; | |
94734142 LP |
512 | int r; |
513 | size_t l; | |
514 | ||
515 | if (detect_container(NULL) > 0) | |
516 | return 0; | |
517 | ||
518 | r = read_one_line_file("/proc/cmdline", &line); | |
519 | if (r < 0) { | |
520 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); | |
521 | return 0; | |
522 | } | |
523 | ||
524 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
d0aa9ce5 | 525 | char _cleanup_free_ *word = NULL; |
94734142 LP |
526 | |
527 | word = strndup(w, l); | |
d0aa9ce5 ZJS |
528 | if (!word) |
529 | return log_oom(); | |
94734142 LP |
530 | |
531 | if (startswith(word, "fstab=")) { | |
532 | r = parse_boolean(word + 6); | |
533 | if (r < 0) | |
534 | log_warning("Failed to parse fstab switch %s. Ignoring.", word + 6); | |
535 | else | |
536 | arg_enabled = r; | |
537 | ||
538 | } else if (startswith(word, "rd.fstab=")) { | |
539 | ||
540 | if (in_initrd()) { | |
541 | r = parse_boolean(word + 6); | |
542 | if (r < 0) | |
543 | log_warning("Failed to parse fstab switch %s. Ignoring.", word + 6); | |
544 | else | |
545 | arg_enabled = r; | |
546 | } | |
547 | ||
548 | } else if (startswith(word, "fstab.") || | |
549 | (in_initrd() && startswith(word, "rd.fstab."))) { | |
550 | ||
551 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
552 | } | |
94734142 LP |
553 | } |
554 | ||
d0aa9ce5 | 555 | return 0; |
94734142 LP |
556 | } |
557 | ||
6b1dc2bd | 558 | int main(int argc, char *argv[]) { |
5e398e54 | 559 | int r, k = 0; |
6b1dc2bd | 560 | |
07719a21 LP |
561 | if (argc > 1 && argc != 4) { |
562 | log_error("This program takes three or no arguments."); | |
6b1dc2bd LP |
563 | return EXIT_FAILURE; |
564 | } | |
565 | ||
566 | if (argc > 1) | |
567 | arg_dest = argv[1]; | |
568 | ||
a6903061 | 569 | log_set_target(LOG_TARGET_SAFE); |
6b1dc2bd LP |
570 | log_parse_environment(); |
571 | log_open(); | |
572 | ||
6b1dc2bd LP |
573 | umask(0022); |
574 | ||
94734142 LP |
575 | if (parse_proc_cmdline() < 0) |
576 | return EXIT_FAILURE; | |
577 | ||
5e398e54 TG |
578 | if (in_initrd()) |
579 | k = parse_new_root_from_proc_cmdline(); | |
580 | ||
94734142 LP |
581 | if (!arg_enabled) |
582 | return EXIT_SUCCESS; | |
583 | ||
6b1dc2bd LP |
584 | r = parse_fstab(); |
585 | ||
5e398e54 | 586 | return (r < 0) || (k < 0) ? EXIT_FAILURE : EXIT_SUCCESS; |
6b1dc2bd | 587 | } |