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83096483 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
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 | |
83096483 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
83096483 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
83096483 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <fcntl.h> | |
24 | #include <unistd.h> | |
25 | #include <string.h> | |
26 | #include <fnmatch.h> | |
27 | ||
28 | #include "util.h" | |
49e942b2 | 29 | #include "mkdir.h" |
83096483 LP |
30 | #include "hashmap.h" |
31 | #include "set.h" | |
9eb977db | 32 | #include "path-util.h" |
83096483 LP |
33 | #include "path-lookup.h" |
34 | #include "strv.h" | |
35 | #include "unit-name.h" | |
36 | #include "install.h" | |
37 | #include "conf-parser.h" | |
2c21044f | 38 | #include "conf-files.h" |
7584d236 ZJS |
39 | #include "specifier.h" |
40 | #include "install-printf.h" | |
83096483 LP |
41 | |
42 | typedef struct { | |
43 | Hashmap *will_install; | |
44 | Hashmap *have_installed; | |
45 | } InstallContext; | |
46 | ||
d9e5e694 ZJS |
47 | #define _cleanup_lookup_paths_free_ \ |
48 | __attribute__((cleanup(lookup_paths_free))) | |
49 | #define _cleanup_install_context_done_ \ | |
50 | __attribute__((cleanup(install_context_done))) | |
51 | ||
83096483 LP |
52 | static int lookup_paths_init_from_scope(LookupPaths *paths, UnitFileScope scope) { |
53 | assert(paths); | |
54 | assert(scope >= 0); | |
55 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
56 | ||
57 | zero(*paths); | |
58 | ||
59 | return lookup_paths_init(paths, | |
67445f4e | 60 | scope == UNIT_FILE_SYSTEM ? SYSTEMD_SYSTEM : SYSTEMD_USER, |
07719a21 LP |
61 | scope == UNIT_FILE_USER, |
62 | NULL, NULL, NULL); | |
83096483 LP |
63 | } |
64 | ||
65 | static int get_config_path(UnitFileScope scope, bool runtime, const char *root_dir, char **ret) { | |
66 | char *p = NULL; | |
67 | int r; | |
68 | ||
69 | assert(scope >= 0); | |
70 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
71 | assert(ret); | |
72 | ||
73 | switch (scope) { | |
74 | ||
75 | case UNIT_FILE_SYSTEM: | |
76 | ||
77 | if (root_dir && runtime) | |
d380a3bc BN |
78 | asprintf(&p, "%s/run/systemd/system", root_dir); |
79 | else if (runtime) | |
83096483 LP |
80 | p = strdup("/run/systemd/system"); |
81 | else if (root_dir) | |
82 | asprintf(&p, "%s/%s", root_dir, SYSTEM_CONFIG_UNIT_PATH); | |
83 | else | |
84 | p = strdup(SYSTEM_CONFIG_UNIT_PATH); | |
85 | ||
86 | break; | |
87 | ||
88 | case UNIT_FILE_GLOBAL: | |
89 | ||
90 | if (root_dir) | |
91 | return -EINVAL; | |
92 | ||
93 | if (runtime) | |
94 | p = strdup("/run/systemd/user"); | |
95 | else | |
96 | p = strdup(USER_CONFIG_UNIT_PATH); | |
97 | break; | |
98 | ||
99 | case UNIT_FILE_USER: | |
100 | ||
101 | if (root_dir || runtime) | |
102 | return -EINVAL; | |
103 | ||
104 | r = user_config_home(&p); | |
105 | if (r <= 0) | |
106 | return r < 0 ? r : -ENOENT; | |
107 | ||
108 | break; | |
109 | ||
110 | default: | |
111 | assert_not_reached("Bad scope"); | |
112 | } | |
113 | ||
114 | if (!p) | |
115 | return -ENOMEM; | |
116 | ||
117 | *ret = p; | |
118 | return 0; | |
119 | } | |
120 | ||
121 | static int add_file_change( | |
122 | UnitFileChange **changes, | |
123 | unsigned *n_changes, | |
124 | UnitFileChangeType type, | |
125 | const char *path, | |
126 | const char *source) { | |
127 | ||
128 | UnitFileChange *c; | |
129 | unsigned i; | |
130 | ||
83096483 LP |
131 | assert(path); |
132 | assert(!changes == !n_changes); | |
133 | ||
134 | if (!changes) | |
135 | return 0; | |
136 | ||
137 | c = realloc(*changes, (*n_changes + 1) * sizeof(UnitFileChange)); | |
138 | if (!c) | |
139 | return -ENOMEM; | |
140 | ||
141 | *changes = c; | |
142 | i = *n_changes; | |
143 | ||
144 | c[i].type = type; | |
145 | c[i].path = strdup(path); | |
146 | if (!c[i].path) | |
147 | return -ENOMEM; | |
148 | ||
149 | if (source) { | |
150 | c[i].source = strdup(source); | |
151 | if (!c[i].source) { | |
152 | free(c[i].path); | |
153 | return -ENOMEM; | |
154 | } | |
155 | } else | |
156 | c[i].source = NULL; | |
157 | ||
158 | *n_changes = i+1; | |
159 | return 0; | |
160 | } | |
161 | ||
162 | static int mark_symlink_for_removal( | |
163 | Set **remove_symlinks_to, | |
164 | const char *p) { | |
165 | ||
166 | char *n; | |
167 | int r; | |
168 | ||
169 | assert(p); | |
170 | ||
171 | r = set_ensure_allocated(remove_symlinks_to, string_hash_func, string_compare_func); | |
172 | if (r < 0) | |
173 | return r; | |
174 | ||
175 | n = strdup(p); | |
176 | if (!n) | |
177 | return -ENOMEM; | |
178 | ||
179 | path_kill_slashes(n); | |
180 | ||
181 | r = set_put(*remove_symlinks_to, n); | |
182 | if (r < 0) { | |
183 | free(n); | |
184 | return r == -EEXIST ? 0 : r; | |
185 | } | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
190 | static int remove_marked_symlinks_fd( | |
191 | Set *remove_symlinks_to, | |
192 | int fd, | |
193 | const char *path, | |
194 | const char *config_path, | |
195 | bool *deleted, | |
196 | UnitFileChange **changes, | |
29283ea4 MS |
197 | unsigned *n_changes, |
198 | char** files) { | |
83096483 LP |
199 | |
200 | int r = 0; | |
d9e5e694 | 201 | DIR _cleanup_closedir_ *d = NULL; |
83096483 LP |
202 | |
203 | assert(remove_symlinks_to); | |
204 | assert(fd >= 0); | |
205 | assert(path); | |
206 | assert(config_path); | |
207 | assert(deleted); | |
208 | ||
209 | d = fdopendir(fd); | |
210 | if (!d) { | |
211 | close_nointr_nofail(fd); | |
212 | return -errno; | |
213 | } | |
214 | ||
215 | rewinddir(d); | |
216 | ||
217 | for (;;) { | |
7d5e9c0f LP |
218 | struct dirent *de; |
219 | union dirent_storage buf; | |
83096483 LP |
220 | int k; |
221 | ||
7d5e9c0f | 222 | k = readdir_r(d, &buf.de, &de); |
83096483 LP |
223 | if (k != 0) { |
224 | r = -errno; | |
225 | break; | |
226 | } | |
227 | ||
228 | if (!de) | |
229 | break; | |
230 | ||
231 | if (ignore_file(de->d_name)) | |
232 | continue; | |
233 | ||
234 | dirent_ensure_type(d, de); | |
235 | ||
236 | if (de->d_type == DT_DIR) { | |
237 | int nfd, q; | |
d9e5e694 | 238 | char _cleanup_free_ *p = NULL; |
83096483 LP |
239 | |
240 | nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW); | |
241 | if (nfd < 0) { | |
242 | if (errno == ENOENT) | |
243 | continue; | |
244 | ||
245 | if (r == 0) | |
246 | r = -errno; | |
247 | continue; | |
248 | } | |
249 | ||
250 | p = path_make_absolute(de->d_name, path); | |
251 | if (!p) { | |
252 | close_nointr_nofail(nfd); | |
d9e5e694 | 253 | return -ENOMEM; |
83096483 LP |
254 | } |
255 | ||
256 | /* This will close nfd, regardless whether it succeeds or not */ | |
29283ea4 | 257 | q = remove_marked_symlinks_fd(remove_symlinks_to, nfd, p, config_path, deleted, changes, n_changes, files); |
83096483 LP |
258 | |
259 | if (r == 0) | |
260 | r = q; | |
261 | ||
262 | } else if (de->d_type == DT_LNK) { | |
d9e5e694 | 263 | char _cleanup_free_ *p = NULL, *dest = NULL; |
83096483 LP |
264 | int q; |
265 | bool found; | |
266 | ||
267 | p = path_make_absolute(de->d_name, path); | |
d9e5e694 ZJS |
268 | if (!p) |
269 | return -ENOMEM; | |
83096483 LP |
270 | |
271 | q = readlink_and_canonicalize(p, &dest); | |
272 | if (q < 0) { | |
83096483 LP |
273 | if (q == -ENOENT) |
274 | continue; | |
275 | ||
276 | if (r == 0) | |
277 | r = q; | |
278 | continue; | |
279 | } | |
280 | ||
281 | found = | |
282 | set_get(remove_symlinks_to, dest) || | |
9eb977db | 283 | set_get(remove_symlinks_to, path_get_file_name(dest)); |
83096483 | 284 | |
29283ea4 MS |
285 | if (unit_name_is_instance(p)) |
286 | found = found && strv_contains(files, path_get_file_name(p)); | |
287 | ||
83096483 LP |
288 | if (found) { |
289 | ||
290 | if (unlink(p) < 0 && errno != ENOENT) { | |
291 | ||
292 | if (r == 0) | |
293 | r = -errno; | |
294 | } else { | |
295 | rmdir_parents(p, config_path); | |
296 | path_kill_slashes(p); | |
297 | ||
298 | add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL); | |
299 | ||
300 | if (!set_get(remove_symlinks_to, p)) { | |
301 | ||
302 | q = mark_symlink_for_removal(&remove_symlinks_to, p); | |
303 | if (q < 0) { | |
304 | if (r == 0) | |
305 | r = q; | |
306 | } else | |
307 | *deleted = true; | |
308 | } | |
309 | } | |
310 | } | |
83096483 LP |
311 | } |
312 | } | |
313 | ||
83096483 LP |
314 | return r; |
315 | } | |
316 | ||
317 | static int remove_marked_symlinks( | |
318 | Set *remove_symlinks_to, | |
319 | const char *config_path, | |
320 | UnitFileChange **changes, | |
29283ea4 MS |
321 | unsigned *n_changes, |
322 | char** files) { | |
83096483 LP |
323 | |
324 | int fd, r = 0; | |
325 | bool deleted; | |
326 | ||
327 | assert(config_path); | |
328 | ||
329 | if (set_size(remove_symlinks_to) <= 0) | |
330 | return 0; | |
331 | ||
332 | fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW); | |
333 | if (fd < 0) | |
334 | return -errno; | |
335 | ||
336 | do { | |
337 | int q, cfd; | |
338 | deleted = false; | |
339 | ||
340 | cfd = dup(fd); | |
341 | if (cfd < 0) { | |
342 | r = -errno; | |
343 | break; | |
344 | } | |
345 | ||
346 | /* This takes possession of cfd and closes it */ | |
29283ea4 | 347 | q = remove_marked_symlinks_fd(remove_symlinks_to, cfd, config_path, config_path, &deleted, changes, n_changes, files); |
83096483 LP |
348 | if (r == 0) |
349 | r = q; | |
350 | } while (deleted); | |
351 | ||
352 | close_nointr_nofail(fd); | |
353 | ||
354 | return r; | |
355 | } | |
356 | ||
357 | static int find_symlinks_fd( | |
358 | const char *name, | |
359 | int fd, | |
360 | const char *path, | |
361 | const char *config_path, | |
362 | bool *same_name_link) { | |
363 | ||
364 | int r = 0; | |
ea55addc | 365 | DIR _cleanup_closedir_ *d = NULL; |
83096483 LP |
366 | |
367 | assert(name); | |
368 | assert(fd >= 0); | |
369 | assert(path); | |
370 | assert(config_path); | |
371 | assert(same_name_link); | |
372 | ||
373 | d = fdopendir(fd); | |
374 | if (!d) { | |
375 | close_nointr_nofail(fd); | |
376 | return -errno; | |
377 | } | |
378 | ||
379 | for (;;) { | |
380 | int k; | |
7d5e9c0f LP |
381 | struct dirent *de; |
382 | union dirent_storage buf; | |
83096483 | 383 | |
7d5e9c0f | 384 | k = readdir_r(d, &buf.de, &de); |
ea55addc ZJS |
385 | if (k != 0) |
386 | return -errno; | |
83096483 LP |
387 | |
388 | if (!de) | |
ea55addc | 389 | return r; |
83096483 LP |
390 | |
391 | if (ignore_file(de->d_name)) | |
392 | continue; | |
393 | ||
394 | dirent_ensure_type(d, de); | |
395 | ||
396 | if (de->d_type == DT_DIR) { | |
397 | int nfd, q; | |
ea55addc | 398 | char _cleanup_free_ *p = NULL; |
83096483 LP |
399 | |
400 | nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW); | |
401 | if (nfd < 0) { | |
402 | if (errno == ENOENT) | |
403 | continue; | |
404 | ||
405 | if (r == 0) | |
406 | r = -errno; | |
407 | continue; | |
408 | } | |
409 | ||
410 | p = path_make_absolute(de->d_name, path); | |
411 | if (!p) { | |
412 | close_nointr_nofail(nfd); | |
ea55addc | 413 | return -ENOMEM; |
83096483 LP |
414 | } |
415 | ||
416 | /* This will close nfd, regardless whether it succeeds or not */ | |
417 | q = find_symlinks_fd(name, nfd, p, config_path, same_name_link); | |
83096483 | 418 | |
ea55addc ZJS |
419 | if (q > 0) |
420 | return 1; | |
83096483 LP |
421 | |
422 | if (r == 0) | |
423 | r = q; | |
424 | ||
425 | } else if (de->d_type == DT_LNK) { | |
ea55addc | 426 | char _cleanup_free_ *p = NULL, *dest = NULL; |
83096483 LP |
427 | bool found_path, found_dest, b = false; |
428 | int q; | |
429 | ||
430 | /* Acquire symlink name */ | |
431 | p = path_make_absolute(de->d_name, path); | |
ea55addc ZJS |
432 | if (!p) |
433 | return -ENOMEM; | |
83096483 LP |
434 | |
435 | /* Acquire symlink destination */ | |
436 | q = readlink_and_canonicalize(p, &dest); | |
437 | if (q < 0) { | |
83096483 LP |
438 | if (q == -ENOENT) |
439 | continue; | |
440 | ||
441 | if (r == 0) | |
442 | r = q; | |
443 | continue; | |
444 | } | |
445 | ||
446 | /* Check if the symlink itself matches what we | |
447 | * are looking for */ | |
448 | if (path_is_absolute(name)) | |
449 | found_path = path_equal(p, name); | |
450 | else | |
451 | found_path = streq(de->d_name, name); | |
452 | ||
453 | /* Check if what the symlink points to | |
454 | * matches what we are looking for */ | |
455 | if (path_is_absolute(name)) | |
456 | found_dest = path_equal(dest, name); | |
457 | else | |
9eb977db | 458 | found_dest = streq(path_get_file_name(dest), name); |
83096483 | 459 | |
83096483 | 460 | if (found_path && found_dest) { |
ea55addc | 461 | char _cleanup_free_ *t = NULL; |
83096483 LP |
462 | |
463 | /* Filter out same name links in the main | |
464 | * config path */ | |
465 | t = path_make_absolute(name, config_path); | |
ea55addc ZJS |
466 | if (!t) |
467 | return -ENOMEM; | |
83096483 LP |
468 | |
469 | b = path_equal(t, p); | |
83096483 LP |
470 | } |
471 | ||
83096483 LP |
472 | if (b) |
473 | *same_name_link = true; | |
ea55addc ZJS |
474 | else if (found_path || found_dest) |
475 | return 1; | |
83096483 LP |
476 | } |
477 | } | |
478 | ||
83096483 LP |
479 | return r; |
480 | } | |
481 | ||
482 | static int find_symlinks( | |
483 | const char *name, | |
484 | const char *config_path, | |
485 | bool *same_name_link) { | |
486 | ||
487 | int fd; | |
488 | ||
489 | assert(name); | |
490 | assert(config_path); | |
491 | assert(same_name_link); | |
492 | ||
493 | fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW); | |
d5891fda ZJS |
494 | if (fd < 0) { |
495 | if (errno == ENOENT) | |
496 | return 0; | |
83096483 | 497 | return -errno; |
d5891fda | 498 | } |
83096483 LP |
499 | |
500 | /* This takes possession of fd and closes it */ | |
501 | return find_symlinks_fd(name, fd, config_path, config_path, same_name_link); | |
502 | } | |
503 | ||
504 | static int find_symlinks_in_scope( | |
505 | UnitFileScope scope, | |
506 | const char *root_dir, | |
507 | const char *name, | |
508 | UnitFileState *state) { | |
509 | ||
510 | int r; | |
d8831ed5 | 511 | char _cleanup_free_ *path = NULL; |
83096483 LP |
512 | bool same_name_link_runtime = false, same_name_link = false; |
513 | ||
514 | assert(scope >= 0); | |
515 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
516 | assert(name); | |
517 | ||
518 | if (scope == UNIT_FILE_SYSTEM || scope == UNIT_FILE_GLOBAL) { | |
519 | ||
520 | /* First look in runtime config path */ | |
521 | r = get_config_path(scope, true, root_dir, &path); | |
522 | if (r < 0) | |
523 | return r; | |
524 | ||
525 | r = find_symlinks(name, path, &same_name_link_runtime); | |
83096483 LP |
526 | if (r < 0) |
527 | return r; | |
528 | else if (r > 0) { | |
529 | *state = UNIT_FILE_ENABLED_RUNTIME; | |
530 | return r; | |
531 | } | |
532 | } | |
533 | ||
534 | /* Then look in the normal config path */ | |
535 | r = get_config_path(scope, false, root_dir, &path); | |
536 | if (r < 0) | |
537 | return r; | |
538 | ||
539 | r = find_symlinks(name, path, &same_name_link); | |
83096483 LP |
540 | if (r < 0) |
541 | return r; | |
542 | else if (r > 0) { | |
543 | *state = UNIT_FILE_ENABLED; | |
544 | return r; | |
545 | } | |
546 | ||
547 | /* Hmm, we didn't find it, but maybe we found the same name | |
548 | * link? */ | |
549 | if (same_name_link_runtime) { | |
550 | *state = UNIT_FILE_LINKED_RUNTIME; | |
551 | return 1; | |
552 | } else if (same_name_link) { | |
553 | *state = UNIT_FILE_LINKED; | |
554 | return 1; | |
555 | } | |
556 | ||
557 | return 0; | |
558 | } | |
559 | ||
560 | int unit_file_mask( | |
561 | UnitFileScope scope, | |
562 | bool runtime, | |
563 | const char *root_dir, | |
564 | char *files[], | |
565 | bool force, | |
566 | UnitFileChange **changes, | |
567 | unsigned *n_changes) { | |
568 | ||
d8831ed5 ZJS |
569 | char **i; |
570 | char _cleanup_free_ *prefix; | |
83096483 LP |
571 | int r; |
572 | ||
573 | assert(scope >= 0); | |
574 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
575 | ||
576 | r = get_config_path(scope, runtime, root_dir, &prefix); | |
577 | if (r < 0) | |
578 | return r; | |
579 | ||
580 | STRV_FOREACH(i, files) { | |
d8831ed5 | 581 | char _cleanup_free_ *path = NULL; |
83096483 | 582 | |
5f739699 | 583 | if (!unit_name_is_valid(*i, true)) { |
83096483 LP |
584 | if (r == 0) |
585 | r = -EINVAL; | |
586 | continue; | |
587 | } | |
588 | ||
589 | path = path_make_absolute(*i, prefix); | |
590 | if (!path) { | |
591 | r = -ENOMEM; | |
592 | break; | |
593 | } | |
594 | ||
595 | if (symlink("/dev/null", path) >= 0) { | |
596 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null"); | |
597 | ||
83096483 LP |
598 | continue; |
599 | } | |
600 | ||
601 | if (errno == EEXIST) { | |
602 | ||
d8831ed5 | 603 | if (null_or_empty_path(path) > 0) |
83096483 | 604 | continue; |
83096483 LP |
605 | |
606 | if (force) { | |
607 | unlink(path); | |
608 | ||
609 | if (symlink("/dev/null", path) >= 0) { | |
610 | ||
611 | add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL); | |
612 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null"); | |
613 | ||
83096483 LP |
614 | continue; |
615 | } | |
616 | } | |
617 | ||
618 | if (r == 0) | |
619 | r = -EEXIST; | |
620 | } else { | |
621 | if (r == 0) | |
622 | r = -errno; | |
623 | } | |
83096483 LP |
624 | } |
625 | ||
83096483 LP |
626 | return r; |
627 | } | |
628 | ||
629 | int unit_file_unmask( | |
630 | UnitFileScope scope, | |
631 | bool runtime, | |
632 | const char *root_dir, | |
633 | char *files[], | |
634 | UnitFileChange **changes, | |
635 | unsigned *n_changes) { | |
636 | ||
637 | char **i, *config_path = NULL; | |
638 | int r, q; | |
639 | Set *remove_symlinks_to = NULL; | |
640 | ||
641 | assert(scope >= 0); | |
642 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
643 | ||
644 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
645 | if (r < 0) | |
646 | goto finish; | |
647 | ||
648 | STRV_FOREACH(i, files) { | |
649 | char *path; | |
650 | ||
5f739699 | 651 | if (!unit_name_is_valid(*i, true)) { |
83096483 LP |
652 | if (r == 0) |
653 | r = -EINVAL; | |
654 | continue; | |
655 | } | |
656 | ||
657 | path = path_make_absolute(*i, config_path); | |
658 | if (!path) { | |
659 | r = -ENOMEM; | |
660 | break; | |
661 | } | |
662 | ||
663 | q = null_or_empty_path(path); | |
664 | if (q > 0) { | |
665 | if (unlink(path) >= 0) { | |
666 | mark_symlink_for_removal(&remove_symlinks_to, path); | |
667 | add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL); | |
668 | ||
669 | free(path); | |
670 | continue; | |
671 | } | |
672 | ||
673 | q = -errno; | |
674 | } | |
675 | ||
676 | if (q != -ENOENT && r == 0) | |
677 | r = q; | |
678 | ||
679 | free(path); | |
680 | } | |
681 | ||
682 | ||
683 | finish: | |
29283ea4 | 684 | q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files); |
83096483 LP |
685 | if (r == 0) |
686 | r = q; | |
687 | ||
688 | set_free_free(remove_symlinks_to); | |
689 | free(config_path); | |
690 | ||
691 | return r; | |
692 | } | |
693 | ||
694 | int unit_file_link( | |
695 | UnitFileScope scope, | |
696 | bool runtime, | |
697 | const char *root_dir, | |
698 | char *files[], | |
699 | bool force, | |
700 | UnitFileChange **changes, | |
701 | unsigned *n_changes) { | |
702 | ||
b92bea5d | 703 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
d9e5e694 ZJS |
704 | char **i; |
705 | char _cleanup_free_ *config_path = NULL; | |
83096483 LP |
706 | int r, q; |
707 | ||
708 | assert(scope >= 0); | |
709 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
710 | ||
83096483 LP |
711 | r = lookup_paths_init_from_scope(&paths, scope); |
712 | if (r < 0) | |
713 | return r; | |
714 | ||
715 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
716 | if (r < 0) | |
d9e5e694 | 717 | return r; |
83096483 LP |
718 | |
719 | STRV_FOREACH(i, files) { | |
d9e5e694 ZJS |
720 | char _cleanup_free_ *path = NULL; |
721 | char *fn; | |
83096483 LP |
722 | struct stat st; |
723 | ||
9eb977db | 724 | fn = path_get_file_name(*i); |
83096483 LP |
725 | |
726 | if (!path_is_absolute(*i) || | |
5f739699 | 727 | !unit_name_is_valid(fn, true)) { |
83096483 LP |
728 | if (r == 0) |
729 | r = -EINVAL; | |
730 | continue; | |
731 | } | |
732 | ||
733 | if (lstat(*i, &st) < 0) { | |
734 | if (r == 0) | |
735 | r = -errno; | |
736 | continue; | |
737 | } | |
738 | ||
739 | if (!S_ISREG(st.st_mode)) { | |
740 | r = -ENOENT; | |
741 | continue; | |
742 | } | |
743 | ||
744 | q = in_search_path(*i, paths.unit_path); | |
d9e5e694 ZJS |
745 | if (q < 0) |
746 | return q; | |
83096483 LP |
747 | |
748 | if (q > 0) | |
749 | continue; | |
750 | ||
751 | path = path_make_absolute(fn, config_path); | |
d9e5e694 ZJS |
752 | if (!path) |
753 | return -ENOMEM; | |
83096483 LP |
754 | |
755 | if (symlink(*i, path) >= 0) { | |
756 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i); | |
83096483 LP |
757 | continue; |
758 | } | |
759 | ||
760 | if (errno == EEXIST) { | |
d9e5e694 | 761 | char _cleanup_free_ *dest = NULL; |
83096483 LP |
762 | |
763 | q = readlink_and_make_absolute(path, &dest); | |
764 | ||
765 | if (q < 0 && errno != ENOENT) { | |
83096483 LP |
766 | if (r == 0) |
767 | r = q; | |
83096483 LP |
768 | continue; |
769 | } | |
770 | ||
d9e5e694 | 771 | if (q >= 0 && path_equal(dest, *i)) |
83096483 | 772 | continue; |
83096483 LP |
773 | |
774 | if (force) { | |
775 | unlink(path); | |
776 | ||
777 | if (symlink(*i, path) >= 0) { | |
778 | ||
779 | add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL); | |
780 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i); | |
781 | ||
83096483 LP |
782 | continue; |
783 | } | |
784 | } | |
785 | ||
786 | if (r == 0) | |
787 | r = -EEXIST; | |
788 | } else { | |
789 | if (r == 0) | |
790 | r = -errno; | |
791 | } | |
83096483 LP |
792 | } |
793 | ||
83096483 LP |
794 | return r; |
795 | } | |
796 | ||
797 | void unit_file_list_free(Hashmap *h) { | |
798 | UnitFileList *i; | |
799 | ||
800 | while ((i = hashmap_steal_first(h))) { | |
801 | free(i->path); | |
802 | free(i); | |
803 | } | |
804 | ||
805 | hashmap_free(h); | |
806 | } | |
807 | ||
808 | void unit_file_changes_free(UnitFileChange *changes, unsigned n_changes) { | |
809 | unsigned i; | |
810 | ||
811 | assert(changes || n_changes == 0); | |
812 | ||
813 | if (!changes) | |
814 | return; | |
815 | ||
816 | for (i = 0; i < n_changes; i++) { | |
817 | free(changes[i].path); | |
818 | free(changes[i].source); | |
819 | } | |
820 | ||
821 | free(changes); | |
822 | } | |
823 | ||
824 | static void install_info_free(InstallInfo *i) { | |
825 | assert(i); | |
826 | ||
827 | free(i->name); | |
828 | free(i->path); | |
829 | strv_free(i->aliases); | |
830 | strv_free(i->wanted_by); | |
78d54bd4 | 831 | strv_free(i->required_by); |
83096483 LP |
832 | free(i); |
833 | } | |
834 | ||
835 | static void install_info_hashmap_free(Hashmap *m) { | |
836 | InstallInfo *i; | |
837 | ||
838 | if (!m) | |
839 | return; | |
840 | ||
841 | while ((i = hashmap_steal_first(m))) | |
842 | install_info_free(i); | |
843 | ||
844 | hashmap_free(m); | |
845 | } | |
846 | ||
847 | static void install_context_done(InstallContext *c) { | |
848 | assert(c); | |
849 | ||
850 | install_info_hashmap_free(c->will_install); | |
851 | install_info_hashmap_free(c->have_installed); | |
852 | ||
853 | c->will_install = c->have_installed = NULL; | |
854 | } | |
855 | ||
856 | static int install_info_add( | |
857 | InstallContext *c, | |
858 | const char *name, | |
859 | const char *path) { | |
860 | InstallInfo *i = NULL; | |
861 | int r; | |
862 | ||
863 | assert(c); | |
864 | assert(name || path); | |
865 | ||
866 | if (!name) | |
9eb977db | 867 | name = path_get_file_name(path); |
83096483 | 868 | |
5f739699 | 869 | if (!unit_name_is_valid(name, true)) |
83096483 LP |
870 | return -EINVAL; |
871 | ||
872 | if (hashmap_get(c->have_installed, name) || | |
873 | hashmap_get(c->will_install, name)) | |
874 | return 0; | |
875 | ||
876 | r = hashmap_ensure_allocated(&c->will_install, string_hash_func, string_compare_func); | |
877 | if (r < 0) | |
878 | return r; | |
879 | ||
880 | i = new0(InstallInfo, 1); | |
881 | if (!i) | |
882 | return -ENOMEM; | |
883 | ||
884 | i->name = strdup(name); | |
885 | if (!i->name) { | |
886 | r = -ENOMEM; | |
887 | goto fail; | |
888 | } | |
889 | ||
890 | if (path) { | |
891 | i->path = strdup(path); | |
892 | if (!i->path) { | |
893 | r = -ENOMEM; | |
894 | goto fail; | |
895 | } | |
896 | } | |
897 | ||
898 | r = hashmap_put(c->will_install, i->name, i); | |
899 | if (r < 0) | |
900 | goto fail; | |
901 | ||
902 | return 0; | |
903 | ||
904 | fail: | |
905 | if (i) | |
906 | install_info_free(i); | |
907 | ||
908 | return r; | |
909 | } | |
910 | ||
911 | static int install_info_add_auto( | |
912 | InstallContext *c, | |
913 | const char *name_or_path) { | |
914 | ||
915 | assert(c); | |
916 | assert(name_or_path); | |
917 | ||
918 | if (path_is_absolute(name_or_path)) | |
919 | return install_info_add(c, NULL, name_or_path); | |
920 | else | |
921 | return install_info_add(c, name_or_path, NULL); | |
922 | } | |
923 | ||
924 | static int config_parse_also( | |
925 | const char *filename, | |
926 | unsigned line, | |
927 | const char *section, | |
928 | const char *lvalue, | |
929 | int ltype, | |
930 | const char *rvalue, | |
931 | void *data, | |
932 | void *userdata) { | |
933 | ||
934 | char *w; | |
935 | size_t l; | |
936 | char *state; | |
937 | InstallContext *c = data; | |
938 | ||
939 | assert(filename); | |
940 | assert(lvalue); | |
941 | assert(rvalue); | |
942 | ||
943 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
d9e5e694 | 944 | char _cleanup_free_ *n; |
83096483 LP |
945 | int r; |
946 | ||
947 | n = strndup(w, l); | |
948 | if (!n) | |
949 | return -ENOMEM; | |
950 | ||
951 | r = install_info_add(c, n, NULL); | |
d9e5e694 | 952 | if (r < 0) |
83096483 | 953 | return r; |
83096483 LP |
954 | } |
955 | ||
956 | return 0; | |
957 | } | |
958 | ||
3f0b2f0f ZJS |
959 | static int config_parse_user( |
960 | const char *filename, | |
961 | unsigned line, | |
962 | const char *section, | |
963 | const char *lvalue, | |
964 | int ltype, | |
965 | const char *rvalue, | |
966 | void *data, | |
967 | void *userdata) { | |
968 | ||
969 | InstallInfo *i = data; | |
970 | char* printed; | |
971 | ||
972 | assert(filename); | |
973 | assert(lvalue); | |
974 | assert(rvalue); | |
975 | ||
976 | printed = install_full_printf(i, rvalue); | |
977 | if (!printed) | |
978 | return -ENOMEM; | |
979 | ||
980 | free(i->user); | |
981 | i->user = printed; | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
83096483 LP |
986 | static int unit_file_load( |
987 | InstallContext *c, | |
988 | InstallInfo *info, | |
989 | const char *path, | |
990 | bool allow_symlink) { | |
991 | ||
f975e971 | 992 | const ConfigTableItem items[] = { |
78d54bd4 LP |
993 | { "Install", "Alias", config_parse_strv, 0, &info->aliases }, |
994 | { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by }, | |
995 | { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by }, | |
996 | { "Install", "Also", config_parse_also, 0, c }, | |
3f0b2f0f | 997 | { "Exec", "User", config_parse_user, 0, info }, |
f975e971 | 998 | { NULL, NULL, NULL, 0, NULL } |
83096483 LP |
999 | }; |
1000 | ||
1001 | int fd; | |
d9e5e694 | 1002 | FILE _cleanup_fclose_ *f = NULL; |
83096483 LP |
1003 | int r; |
1004 | ||
1005 | assert(c); | |
1006 | assert(info); | |
1007 | assert(path); | |
1008 | ||
1009 | fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW)); | |
1010 | if (fd < 0) | |
1011 | return -errno; | |
1012 | ||
1013 | f = fdopen(fd, "re"); | |
1014 | if (!f) { | |
1015 | close_nointr_nofail(fd); | |
1016 | return -ENOMEM; | |
1017 | } | |
1018 | ||
f975e971 | 1019 | r = config_parse(path, f, NULL, config_item_table_lookup, (void*) items, true, info); |
83096483 LP |
1020 | if (r < 0) |
1021 | return r; | |
1022 | ||
78d54bd4 LP |
1023 | return |
1024 | strv_length(info->aliases) + | |
1025 | strv_length(info->wanted_by) + | |
1026 | strv_length(info->required_by); | |
83096483 LP |
1027 | } |
1028 | ||
1029 | static int unit_file_search( | |
1030 | InstallContext *c, | |
1031 | InstallInfo *info, | |
1032 | LookupPaths *paths, | |
1033 | const char *root_dir, | |
1034 | bool allow_symlink) { | |
1035 | ||
1036 | char **p; | |
1037 | int r; | |
1038 | ||
1039 | assert(c); | |
1040 | assert(info); | |
1041 | assert(paths); | |
1042 | ||
1043 | if (info->path) | |
1044 | return unit_file_load(c, info, info->path, allow_symlink); | |
1045 | ||
1046 | assert(info->name); | |
1047 | ||
1048 | STRV_FOREACH(p, paths->unit_path) { | |
1049 | char *path = NULL; | |
1050 | ||
1051 | if (isempty(root_dir)) | |
1052 | asprintf(&path, "%s/%s", *p, info->name); | |
1053 | else | |
1054 | asprintf(&path, "%s/%s/%s", root_dir, *p, info->name); | |
1055 | ||
1056 | if (!path) | |
1057 | return -ENOMEM; | |
1058 | ||
1059 | r = unit_file_load(c, info, path, allow_symlink); | |
1060 | ||
1061 | if (r >= 0) | |
1062 | info->path = path; | |
29283ea4 MS |
1063 | else { |
1064 | if (r == -ENOENT && unit_name_is_instance(info->name)) { | |
1065 | /* unit file doesn't exist, however instance enablement was request */ | |
1066 | /* we will check if it is possible to load template unit file */ | |
1067 | char *template = NULL, | |
1068 | *template_path = NULL, | |
1069 | *template_dir = NULL; | |
1070 | ||
1071 | template = unit_name_template(info->name); | |
1072 | if (!template) { | |
1073 | free(path); | |
1074 | return -ENOMEM; | |
1075 | } | |
1076 | ||
1077 | /* we will reuse path variable since we don't need it anymore */ | |
1078 | template_dir = path; | |
1079 | *(strrchr(path, '/') + 1) = '\0'; | |
1080 | ||
1081 | template_path = strjoin(template_dir, template, NULL); | |
1082 | if (!template_path) { | |
1083 | free(path); | |
1084 | free(template); | |
1085 | return -ENOMEM; | |
1086 | } | |
1087 | ||
1088 | /* let's try to load template unit */ | |
1089 | r = unit_file_load(c, info, template_path, allow_symlink); | |
1090 | if (r >= 0) { | |
1091 | info->path = strdup(template_path); | |
1092 | if (!info->path) { | |
1093 | free(path); | |
1094 | free(template); | |
1095 | free(template_path); | |
1096 | return -ENOMEM; | |
1097 | } | |
1098 | } | |
1099 | ||
1100 | free(template); | |
1101 | free(template_path); | |
1102 | } | |
83096483 | 1103 | free(path); |
29283ea4 | 1104 | } |
83096483 LP |
1105 | |
1106 | if (r != -ENOENT && r != -ELOOP) | |
1107 | return r; | |
1108 | } | |
1109 | ||
1110 | return -ENOENT; | |
1111 | } | |
1112 | ||
1113 | static int unit_file_can_install( | |
1114 | LookupPaths *paths, | |
1115 | const char *root_dir, | |
1116 | const char *name, | |
1117 | bool allow_symlink) { | |
1118 | ||
b92bea5d | 1119 | InstallContext _cleanup_install_context_done_ c = {}; |
83096483 LP |
1120 | InstallInfo *i; |
1121 | int r; | |
1122 | ||
1123 | assert(paths); | |
1124 | assert(name); | |
1125 | ||
83096483 LP |
1126 | r = install_info_add_auto(&c, name); |
1127 | if (r < 0) | |
1128 | return r; | |
1129 | ||
1130 | assert_se(i = hashmap_first(c.will_install)); | |
1131 | ||
1132 | r = unit_file_search(&c, i, paths, root_dir, allow_symlink); | |
1133 | ||
1134 | if (r >= 0) | |
78d54bd4 LP |
1135 | r = |
1136 | strv_length(i->aliases) + | |
1137 | strv_length(i->wanted_by) + | |
1138 | strv_length(i->required_by); | |
83096483 | 1139 | |
83096483 LP |
1140 | return r; |
1141 | } | |
1142 | ||
1143 | static int create_symlink( | |
1144 | const char *old_path, | |
1145 | const char *new_path, | |
1146 | bool force, | |
1147 | UnitFileChange **changes, | |
1148 | unsigned *n_changes) { | |
1149 | ||
d9e5e694 | 1150 | char _cleanup_free_ *dest = NULL; |
83096483 LP |
1151 | int r; |
1152 | ||
1153 | assert(old_path); | |
1154 | assert(new_path); | |
1155 | ||
d2e54fae | 1156 | mkdir_parents_label(new_path, 0755); |
83096483 LP |
1157 | |
1158 | if (symlink(old_path, new_path) >= 0) { | |
1159 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path); | |
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | if (errno != EEXIST) | |
1164 | return -errno; | |
1165 | ||
1166 | r = readlink_and_make_absolute(new_path, &dest); | |
1167 | if (r < 0) | |
1168 | return r; | |
1169 | ||
d9e5e694 | 1170 | if (path_equal(dest, old_path)) |
83096483 | 1171 | return 0; |
83096483 | 1172 | |
ba49b4a1 | 1173 | if (!force) |
83096483 LP |
1174 | return -EEXIST; |
1175 | ||
1176 | unlink(new_path); | |
1177 | ||
1178 | if (symlink(old_path, new_path) >= 0) { | |
1179 | add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL); | |
1180 | add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path); | |
1181 | return 0; | |
1182 | } | |
1183 | ||
1184 | return -errno; | |
1185 | } | |
1186 | ||
1187 | static int install_info_symlink_alias( | |
1188 | InstallInfo *i, | |
1189 | const char *config_path, | |
1190 | bool force, | |
1191 | UnitFileChange **changes, | |
1192 | unsigned *n_changes) { | |
1193 | ||
1194 | char **s; | |
1195 | int r = 0, q; | |
1196 | ||
1197 | assert(i); | |
1198 | assert(config_path); | |
1199 | ||
1200 | STRV_FOREACH(s, i->aliases) { | |
7584d236 | 1201 | char _cleanup_free_ *alias_path = NULL, *dst = NULL; |
83096483 | 1202 | |
7584d236 ZJS |
1203 | dst = install_full_printf(i, *s); |
1204 | if (!dst) | |
1205 | return -ENOMEM; | |
83096483 | 1206 | |
7584d236 | 1207 | alias_path = path_make_absolute(dst, config_path); |
83096483 LP |
1208 | if (!alias_path) |
1209 | return -ENOMEM; | |
1210 | ||
1211 | q = create_symlink(i->path, alias_path, force, changes, n_changes); | |
83096483 LP |
1212 | if (r == 0) |
1213 | r = q; | |
1214 | } | |
1215 | ||
1216 | return r; | |
1217 | } | |
1218 | ||
1219 | static int install_info_symlink_wants( | |
1220 | InstallInfo *i, | |
1221 | const char *config_path, | |
1222 | bool force, | |
1223 | UnitFileChange **changes, | |
1224 | unsigned *n_changes) { | |
1225 | ||
1226 | char **s; | |
1227 | int r = 0, q; | |
1228 | ||
1229 | assert(i); | |
1230 | assert(config_path); | |
1231 | ||
1232 | STRV_FOREACH(s, i->wanted_by) { | |
7584d236 | 1233 | char _cleanup_free_ *path = NULL, *dst = NULL; |
83096483 | 1234 | |
7584d236 ZJS |
1235 | dst = install_full_printf(i, *s); |
1236 | if (!dst) | |
1237 | return -ENOMEM; | |
1238 | ||
1239 | if (!unit_name_is_valid(dst, true)) { | |
83096483 LP |
1240 | r = -EINVAL; |
1241 | continue; | |
1242 | } | |
1243 | ||
7584d236 | 1244 | if (asprintf(&path, "%s/%s.wants/%s", config_path, dst, i->name) < 0) |
83096483 LP |
1245 | return -ENOMEM; |
1246 | ||
1247 | q = create_symlink(i->path, path, force, changes, n_changes); | |
83096483 LP |
1248 | |
1249 | if (r == 0) | |
1250 | r = q; | |
1251 | } | |
1252 | ||
1253 | return r; | |
1254 | } | |
1255 | ||
78d54bd4 LP |
1256 | static int install_info_symlink_requires( |
1257 | InstallInfo *i, | |
1258 | const char *config_path, | |
1259 | bool force, | |
1260 | UnitFileChange **changes, | |
1261 | unsigned *n_changes) { | |
1262 | ||
1263 | char **s; | |
1264 | int r = 0, q; | |
1265 | ||
1266 | assert(i); | |
1267 | assert(config_path); | |
1268 | ||
1269 | STRV_FOREACH(s, i->required_by) { | |
7584d236 | 1270 | char _cleanup_free_ *path = NULL, *dst = NULL; |
78d54bd4 | 1271 | |
7584d236 ZJS |
1272 | dst = install_full_printf(i, *s); |
1273 | if (!dst) | |
1274 | return -ENOMEM; | |
1275 | ||
1276 | if (!unit_name_is_valid(dst, true)) { | |
78d54bd4 LP |
1277 | r = -EINVAL; |
1278 | continue; | |
1279 | } | |
1280 | ||
7584d236 | 1281 | if (asprintf(&path, "%s/%s.requires/%s", config_path, dst, i->name) < 0) |
78d54bd4 LP |
1282 | return -ENOMEM; |
1283 | ||
1284 | q = create_symlink(i->path, path, force, changes, n_changes); | |
78d54bd4 LP |
1285 | |
1286 | if (r == 0) | |
1287 | r = q; | |
1288 | } | |
1289 | ||
1290 | return r; | |
1291 | } | |
1292 | ||
83096483 LP |
1293 | static int install_info_symlink_link( |
1294 | InstallInfo *i, | |
1295 | LookupPaths *paths, | |
1296 | const char *config_path, | |
1297 | bool force, | |
1298 | UnitFileChange **changes, | |
1299 | unsigned *n_changes) { | |
1300 | ||
1301 | int r; | |
d9e5e694 | 1302 | char _cleanup_free_ *path = NULL; |
83096483 LP |
1303 | |
1304 | assert(i); | |
1305 | assert(paths); | |
1306 | assert(config_path); | |
1307 | assert(i->path); | |
1308 | ||
1309 | r = in_search_path(i->path, paths->unit_path); | |
1310 | if (r != 0) | |
1311 | return r; | |
1312 | ||
1313 | if (asprintf(&path, "%s/%s", config_path, i->name) < 0) | |
1314 | return -ENOMEM; | |
1315 | ||
1316 | r = create_symlink(i->path, path, force, changes, n_changes); | |
83096483 LP |
1317 | return r; |
1318 | } | |
1319 | ||
1320 | static int install_info_apply( | |
1321 | InstallInfo *i, | |
1322 | LookupPaths *paths, | |
1323 | const char *config_path, | |
1324 | bool force, | |
1325 | UnitFileChange **changes, | |
1326 | unsigned *n_changes) { | |
1327 | ||
1328 | int r, q; | |
1329 | ||
1330 | assert(i); | |
1331 | assert(paths); | |
1332 | assert(config_path); | |
1333 | ||
1334 | r = install_info_symlink_alias(i, config_path, force, changes, n_changes); | |
1335 | ||
1336 | q = install_info_symlink_wants(i, config_path, force, changes, n_changes); | |
1337 | if (r == 0) | |
1338 | r = q; | |
1339 | ||
78d54bd4 LP |
1340 | q = install_info_symlink_requires(i, config_path, force, changes, n_changes); |
1341 | if (r == 0) | |
1342 | r = q; | |
1343 | ||
83096483 LP |
1344 | q = install_info_symlink_link(i, paths, config_path, force, changes, n_changes); |
1345 | if (r == 0) | |
1346 | r = q; | |
1347 | ||
1348 | return r; | |
1349 | } | |
1350 | ||
1351 | static int install_context_apply( | |
1352 | InstallContext *c, | |
1353 | LookupPaths *paths, | |
1354 | const char *config_path, | |
1355 | const char *root_dir, | |
1356 | bool force, | |
1357 | UnitFileChange **changes, | |
1358 | unsigned *n_changes) { | |
1359 | ||
1360 | InstallInfo *i; | |
1361 | int r = 0, q; | |
1362 | ||
1363 | assert(c); | |
1364 | assert(paths); | |
1365 | assert(config_path); | |
1366 | ||
1367 | while ((i = hashmap_first(c->will_install))) { | |
1368 | ||
1369 | q = hashmap_ensure_allocated(&c->have_installed, string_hash_func, string_compare_func); | |
1370 | if (q < 0) | |
1371 | return q; | |
1372 | ||
1373 | assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0); | |
1374 | ||
1375 | q = unit_file_search(c, i, paths, root_dir, false); | |
1376 | if (q < 0) { | |
1377 | if (r >= 0) | |
1378 | r = q; | |
1379 | ||
1380 | return r; | |
1381 | } else if (r >= 0) | |
1382 | r += q; | |
1383 | ||
1384 | q = install_info_apply(i, paths, config_path, force, changes, n_changes); | |
1385 | if (r >= 0 && q < 0) | |
1386 | r = q; | |
1387 | } | |
1388 | ||
1389 | return r; | |
1390 | } | |
1391 | ||
1392 | static int install_context_mark_for_removal( | |
1393 | InstallContext *c, | |
1394 | LookupPaths *paths, | |
1395 | Set **remove_symlinks_to, | |
1396 | const char *config_path, | |
1397 | const char *root_dir) { | |
1398 | ||
1399 | InstallInfo *i; | |
1400 | int r = 0, q; | |
1401 | ||
1402 | assert(c); | |
1403 | assert(paths); | |
1404 | assert(config_path); | |
1405 | ||
1406 | /* Marks all items for removal */ | |
1407 | ||
1408 | while ((i = hashmap_first(c->will_install))) { | |
1409 | ||
1410 | q = hashmap_ensure_allocated(&c->have_installed, string_hash_func, string_compare_func); | |
1411 | if (q < 0) | |
1412 | return q; | |
1413 | ||
1414 | assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0); | |
1415 | ||
1416 | q = unit_file_search(c, i, paths, root_dir, false); | |
1417 | if (q < 0) { | |
1418 | if (r >= 0) | |
1419 | r = q; | |
1420 | ||
1421 | return r; | |
1422 | } else if (r >= 0) | |
1423 | r += q; | |
1424 | ||
29283ea4 MS |
1425 | if (unit_name_is_instance(i->name)) { |
1426 | char *unit_file = NULL; | |
1427 | ||
1428 | unit_file = path_get_file_name(i->path); | |
1429 | ||
1430 | if (unit_name_is_instance(unit_file)) | |
1431 | /* unit file named as instance exists, thus all symlinks pointing to it, will be removed */ | |
1432 | q = mark_symlink_for_removal(remove_symlinks_to, i->name); | |
1433 | else | |
1434 | /* does not exist, thus we will mark for removal symlinks to template unit file */ | |
1435 | q = mark_symlink_for_removal(remove_symlinks_to, unit_file); | |
1436 | } else | |
1437 | q = mark_symlink_for_removal(remove_symlinks_to, i->name); | |
1438 | ||
83096483 LP |
1439 | if (r >= 0 && q < 0) |
1440 | r = q; | |
1441 | } | |
1442 | ||
1443 | return r; | |
1444 | } | |
1445 | ||
1446 | int unit_file_enable( | |
1447 | UnitFileScope scope, | |
1448 | bool runtime, | |
1449 | const char *root_dir, | |
1450 | char *files[], | |
1451 | bool force, | |
1452 | UnitFileChange **changes, | |
1453 | unsigned *n_changes) { | |
1454 | ||
b92bea5d ZJS |
1455 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
1456 | InstallContext _cleanup_install_context_done_ c = {}; | |
d9e5e694 ZJS |
1457 | char **i; |
1458 | char _cleanup_free_ *config_path = NULL; | |
83096483 LP |
1459 | int r; |
1460 | ||
1461 | assert(scope >= 0); | |
1462 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1463 | ||
83096483 LP |
1464 | r = lookup_paths_init_from_scope(&paths, scope); |
1465 | if (r < 0) | |
1466 | return r; | |
1467 | ||
1468 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
1469 | if (r < 0) | |
d9e5e694 | 1470 | return r; |
83096483 LP |
1471 | |
1472 | STRV_FOREACH(i, files) { | |
1473 | r = install_info_add_auto(&c, *i); | |
1474 | if (r < 0) | |
d9e5e694 | 1475 | return r; |
83096483 LP |
1476 | } |
1477 | ||
729e3769 LP |
1478 | /* This will return the number of symlink rules that were |
1479 | supposed to be created, not the ones actually created. This is | |
20f59e42 | 1480 | useful to determine whether the passed files had any |
729e3769 | 1481 | installation data at all. */ |
83096483 | 1482 | r = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes); |
83096483 LP |
1483 | return r; |
1484 | } | |
1485 | ||
1486 | int unit_file_disable( | |
1487 | UnitFileScope scope, | |
1488 | bool runtime, | |
1489 | const char *root_dir, | |
1490 | char *files[], | |
1491 | UnitFileChange **changes, | |
1492 | unsigned *n_changes) { | |
1493 | ||
b92bea5d ZJS |
1494 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
1495 | InstallContext _cleanup_install_context_done_ c = {}; | |
d9e5e694 ZJS |
1496 | char **i; |
1497 | char _cleanup_free_ *config_path = NULL; | |
1498 | Set _cleanup_set_free_free_ *remove_symlinks_to = NULL; | |
83096483 LP |
1499 | int r, q; |
1500 | ||
1501 | assert(scope >= 0); | |
1502 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1503 | ||
83096483 LP |
1504 | r = lookup_paths_init_from_scope(&paths, scope); |
1505 | if (r < 0) | |
1506 | return r; | |
1507 | ||
1508 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
1509 | if (r < 0) | |
d9e5e694 | 1510 | return r; |
83096483 LP |
1511 | |
1512 | STRV_FOREACH(i, files) { | |
1513 | r = install_info_add_auto(&c, *i); | |
1514 | if (r < 0) | |
d9e5e694 | 1515 | return r; |
83096483 LP |
1516 | } |
1517 | ||
1518 | r = install_context_mark_for_removal(&c, &paths, &remove_symlinks_to, config_path, root_dir); | |
1519 | ||
29283ea4 | 1520 | q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files); |
83096483 | 1521 | if (r == 0) |
034a2a52 | 1522 | r = q; |
83096483 | 1523 | |
83096483 LP |
1524 | return r; |
1525 | } | |
1526 | ||
1527 | int unit_file_reenable( | |
1528 | UnitFileScope scope, | |
1529 | bool runtime, | |
1530 | const char *root_dir, | |
1531 | char *files[], | |
1532 | bool force, | |
1533 | UnitFileChange **changes, | |
1534 | unsigned *n_changes) { | |
1535 | ||
b92bea5d ZJS |
1536 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
1537 | InstallContext _cleanup_install_context_done_ c = {}; | |
d9e5e694 ZJS |
1538 | char **i; |
1539 | char _cleanup_free_ *config_path = NULL; | |
1540 | Set _cleanup_set_free_free_ *remove_symlinks_to = NULL; | |
83096483 LP |
1541 | int r, q; |
1542 | ||
1543 | assert(scope >= 0); | |
1544 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1545 | ||
83096483 LP |
1546 | r = lookup_paths_init_from_scope(&paths, scope); |
1547 | if (r < 0) | |
1548 | return r; | |
1549 | ||
1550 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
1551 | if (r < 0) | |
d9e5e694 | 1552 | return r; |
83096483 LP |
1553 | |
1554 | STRV_FOREACH(i, files) { | |
1555 | r = mark_symlink_for_removal(&remove_symlinks_to, *i); | |
1556 | if (r < 0) | |
d9e5e694 | 1557 | return r; |
83096483 LP |
1558 | |
1559 | r = install_info_add_auto(&c, *i); | |
1560 | if (r < 0) | |
d9e5e694 | 1561 | return r; |
83096483 LP |
1562 | } |
1563 | ||
29283ea4 | 1564 | r = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files); |
83096483 | 1565 | |
729e3769 | 1566 | /* Returns number of symlinks that where supposed to be installed. */ |
83096483 LP |
1567 | q = install_context_apply(&c, &paths, config_path, root_dir, force, changes, n_changes); |
1568 | if (r == 0) | |
1569 | r = q; | |
1570 | ||
83096483 LP |
1571 | return r; |
1572 | } | |
1573 | ||
1574 | UnitFileState unit_file_get_state( | |
1575 | UnitFileScope scope, | |
1576 | const char *root_dir, | |
1577 | const char *name) { | |
1578 | ||
b92bea5d | 1579 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
83096483 | 1580 | UnitFileState state = _UNIT_FILE_STATE_INVALID; |
d9e5e694 ZJS |
1581 | char **i; |
1582 | char _cleanup_free_ *path = NULL; | |
83096483 LP |
1583 | int r; |
1584 | ||
1585 | assert(scope >= 0); | |
1586 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1587 | assert(name); | |
1588 | ||
83096483 LP |
1589 | if (root_dir && scope != UNIT_FILE_SYSTEM) |
1590 | return -EINVAL; | |
1591 | ||
5f739699 | 1592 | if (!unit_name_is_valid(name, true)) |
83096483 LP |
1593 | return -EINVAL; |
1594 | ||
1595 | r = lookup_paths_init_from_scope(&paths, scope); | |
1596 | if (r < 0) | |
1597 | return r; | |
1598 | ||
1599 | STRV_FOREACH(i, paths.unit_path) { | |
1600 | struct stat st; | |
1601 | ||
1602 | free(path); | |
1603 | path = NULL; | |
1604 | ||
1605 | if (root_dir) | |
1606 | asprintf(&path, "%s/%s/%s", root_dir, *i, name); | |
1607 | else | |
1608 | asprintf(&path, "%s/%s", *i, name); | |
1609 | ||
d9e5e694 ZJS |
1610 | if (!path) |
1611 | return -ENOMEM; | |
83096483 LP |
1612 | |
1613 | if (lstat(path, &st) < 0) { | |
81006b8a | 1614 | r = -errno; |
83096483 LP |
1615 | if (errno == ENOENT) |
1616 | continue; | |
1617 | ||
d9e5e694 | 1618 | return -errno; |
83096483 LP |
1619 | } |
1620 | ||
d9e5e694 ZJS |
1621 | if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode)) |
1622 | return -ENOENT; | |
83096483 LP |
1623 | |
1624 | r = null_or_empty_path(path); | |
1625 | if (r < 0 && r != -ENOENT) | |
d9e5e694 | 1626 | return r; |
83096483 LP |
1627 | else if (r > 0) { |
1628 | state = path_startswith(*i, "/run") ? | |
1629 | UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED; | |
d9e5e694 | 1630 | return state; |
83096483 LP |
1631 | } |
1632 | ||
1633 | r = find_symlinks_in_scope(scope, root_dir, name, &state); | |
d9e5e694 ZJS |
1634 | if (r < 0) |
1635 | return r; | |
1636 | else if (r > 0) | |
1637 | return state; | |
83096483 LP |
1638 | |
1639 | r = unit_file_can_install(&paths, root_dir, path, true); | |
1640 | if (r < 0 && errno != -ENOENT) | |
d9e5e694 ZJS |
1641 | return r; |
1642 | else if (r > 0) | |
1643 | return UNIT_FILE_DISABLED; | |
1644 | else if (r == 0) | |
1645 | return UNIT_FILE_STATIC; | |
83096483 LP |
1646 | } |
1647 | ||
83096483 LP |
1648 | return r < 0 ? r : state; |
1649 | } | |
1650 | ||
1651 | int unit_file_query_preset(UnitFileScope scope, const char *name) { | |
d9e5e694 ZJS |
1652 | char _cleanup_strv_free_ **files = NULL; |
1653 | char **i; | |
83096483 LP |
1654 | int r; |
1655 | ||
1656 | assert(scope >= 0); | |
1657 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1658 | assert(name); | |
1659 | ||
1660 | if (scope == UNIT_FILE_SYSTEM) | |
7850b3b8 | 1661 | r = conf_files_list(&files, ".preset", NULL, |
a7480dba LP |
1662 | "/etc/systemd/system-preset", |
1663 | "/usr/local/lib/systemd/system-preset", | |
1664 | "/usr/lib/systemd/system-preset", | |
b4bdfefa | 1665 | #ifdef HAVE_SPLIT_USR |
a7480dba | 1666 | "/lib/systemd/system-preset", |
b4bdfefa | 1667 | #endif |
83096483 LP |
1668 | NULL); |
1669 | else if (scope == UNIT_FILE_GLOBAL) | |
7850b3b8 | 1670 | r = conf_files_list(&files, ".preset", NULL, |
a7480dba LP |
1671 | "/etc/systemd/user-preset", |
1672 | "/usr/local/lib/systemd/user-preset", | |
1673 | "/usr/lib/systemd/user-preset", | |
83096483 LP |
1674 | NULL); |
1675 | else | |
1676 | return 1; | |
1677 | ||
1678 | if (r < 0) | |
1679 | return r; | |
1680 | ||
1681 | STRV_FOREACH(i, files) { | |
d9e5e694 | 1682 | FILE _cleanup_fclose_ *f; |
83096483 LP |
1683 | |
1684 | f = fopen(*i, "re"); | |
1685 | if (!f) { | |
1686 | if (errno == ENOENT) | |
1687 | continue; | |
1688 | ||
d9e5e694 | 1689 | return -errno; |
83096483 LP |
1690 | } |
1691 | ||
1692 | for (;;) { | |
1693 | char line[LINE_MAX], *l; | |
1694 | ||
1695 | if (!fgets(line, sizeof(line), f)) | |
1696 | break; | |
1697 | ||
1698 | l = strstrip(line); | |
1699 | if (!*l) | |
1700 | continue; | |
1701 | ||
1702 | if (strchr(COMMENTS, *l)) | |
1703 | continue; | |
1704 | ||
1705 | if (first_word(l, "enable")) { | |
1706 | l += 6; | |
1707 | l += strspn(l, WHITESPACE); | |
1708 | ||
d9e5e694 ZJS |
1709 | if (fnmatch(l, name, FNM_NOESCAPE) == 0) |
1710 | return 1; | |
1711 | ||
83096483 LP |
1712 | } else if (first_word(l, "disable")) { |
1713 | l += 7; | |
1714 | l += strspn(l, WHITESPACE); | |
1715 | ||
d9e5e694 ZJS |
1716 | if (fnmatch(l, name, FNM_NOESCAPE) == 0) |
1717 | return 0; | |
1718 | ||
83096483 LP |
1719 | } else |
1720 | log_debug("Couldn't parse line '%s'", l); | |
1721 | } | |
83096483 LP |
1722 | } |
1723 | ||
1724 | /* Default is "enable" */ | |
d9e5e694 | 1725 | return 1; |
83096483 LP |
1726 | } |
1727 | ||
1728 | int unit_file_preset( | |
1729 | UnitFileScope scope, | |
1730 | bool runtime, | |
1731 | const char *root_dir, | |
1732 | char *files[], | |
1733 | bool force, | |
1734 | UnitFileChange **changes, | |
1735 | unsigned *n_changes) { | |
1736 | ||
b92bea5d ZJS |
1737 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
1738 | InstallContext _cleanup_install_context_done_ plus = {}, minus = {NULL}; | |
d9e5e694 ZJS |
1739 | char **i; |
1740 | char _cleanup_free_ *config_path = NULL; | |
1741 | Set _cleanup_set_free_free_ *remove_symlinks_to = NULL; | |
83096483 LP |
1742 | int r, q; |
1743 | ||
1744 | assert(scope >= 0); | |
1745 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1746 | ||
83096483 LP |
1747 | r = lookup_paths_init_from_scope(&paths, scope); |
1748 | if (r < 0) | |
1749 | return r; | |
1750 | ||
1751 | r = get_config_path(scope, runtime, root_dir, &config_path); | |
1752 | if (r < 0) | |
d9e5e694 | 1753 | return r; |
83096483 LP |
1754 | |
1755 | STRV_FOREACH(i, files) { | |
1756 | ||
d9e5e694 ZJS |
1757 | if (!unit_name_is_valid(*i, true)) |
1758 | return -EINVAL; | |
83096483 LP |
1759 | |
1760 | r = unit_file_query_preset(scope, *i); | |
1761 | if (r < 0) | |
d9e5e694 | 1762 | return r; |
83096483 LP |
1763 | |
1764 | if (r) | |
1765 | r = install_info_add_auto(&plus, *i); | |
1766 | else | |
1767 | r = install_info_add_auto(&minus, *i); | |
1768 | ||
1769 | if (r < 0) | |
d9e5e694 | 1770 | return r; |
83096483 LP |
1771 | } |
1772 | ||
d9e5e694 ZJS |
1773 | r = install_context_mark_for_removal(&minus, &paths, &remove_symlinks_to, |
1774 | config_path, root_dir); | |
83096483 | 1775 | |
d9e5e694 ZJS |
1776 | q = remove_marked_symlinks(remove_symlinks_to, config_path, |
1777 | changes, n_changes, files); | |
83096483 LP |
1778 | if (r == 0) |
1779 | r = q; | |
1780 | ||
729e3769 | 1781 | /* Returns number of symlinks that where supposed to be installed. */ |
d9e5e694 ZJS |
1782 | q = install_context_apply(&plus, &paths, config_path, root_dir, force, |
1783 | changes, n_changes); | |
83096483 LP |
1784 | if (r == 0) |
1785 | r = q; | |
1786 | ||
83096483 LP |
1787 | return r; |
1788 | } | |
1789 | ||
d9e5e694 ZJS |
1790 | static void unitfilelist_free(UnitFileList **f) { |
1791 | if (!*f) | |
1792 | return; | |
1793 | ||
1794 | free((*f)->path); | |
1795 | free(*f); | |
1796 | } | |
1797 | ||
83096483 LP |
1798 | int unit_file_get_list( |
1799 | UnitFileScope scope, | |
1800 | const char *root_dir, | |
1801 | Hashmap *h) { | |
1802 | ||
b92bea5d | 1803 | LookupPaths _cleanup_lookup_paths_free_ paths = {}; |
d9e5e694 ZJS |
1804 | char **i; |
1805 | char _cleanup_free_ *buf = NULL; | |
1806 | DIR _cleanup_closedir_ *d = NULL; | |
83096483 LP |
1807 | int r; |
1808 | ||
1809 | assert(scope >= 0); | |
1810 | assert(scope < _UNIT_FILE_SCOPE_MAX); | |
1811 | assert(h); | |
1812 | ||
83096483 LP |
1813 | if (root_dir && scope != UNIT_FILE_SYSTEM) |
1814 | return -EINVAL; | |
1815 | ||
1816 | r = lookup_paths_init_from_scope(&paths, scope); | |
1817 | if (r < 0) | |
1818 | return r; | |
1819 | ||
1820 | STRV_FOREACH(i, paths.unit_path) { | |
83096483 LP |
1821 | const char *units_dir; |
1822 | ||
1823 | free(buf); | |
1824 | buf = NULL; | |
1825 | ||
1826 | if (root_dir) { | |
d9e5e694 ZJS |
1827 | if (asprintf(&buf, "%s/%s", root_dir, *i) < 0) |
1828 | return -ENOMEM; | |
1829 | ||
83096483 LP |
1830 | units_dir = buf; |
1831 | } else | |
1832 | units_dir = *i; | |
1833 | ||
1834 | if (d) | |
1835 | closedir(d); | |
1836 | ||
1837 | d = opendir(units_dir); | |
1838 | if (!d) { | |
1839 | if (errno == ENOENT) | |
1840 | continue; | |
1841 | ||
d9e5e694 | 1842 | return -errno; |
83096483 LP |
1843 | } |
1844 | ||
1845 | for (;;) { | |
7d5e9c0f LP |
1846 | struct dirent *de; |
1847 | union dirent_storage buffer; | |
d9e5e694 ZJS |
1848 | UnitFileList __attribute__((cleanup(unitfilelist_free))) |
1849 | *f = NULL; | |
83096483 | 1850 | |
7d5e9c0f | 1851 | r = readdir_r(d, &buffer.de, &de); |
d9e5e694 ZJS |
1852 | if (r != 0) |
1853 | return -r; | |
83096483 LP |
1854 | |
1855 | if (!de) | |
1856 | break; | |
1857 | ||
1858 | if (ignore_file(de->d_name)) | |
1859 | continue; | |
1860 | ||
5f739699 | 1861 | if (!unit_name_is_valid(de->d_name, true)) |
83096483 LP |
1862 | continue; |
1863 | ||
1864 | if (hashmap_get(h, de->d_name)) | |
1865 | continue; | |
1866 | ||
1867 | r = dirent_ensure_type(d, de); | |
1868 | if (r < 0) { | |
fb5ef067 | 1869 | if (r == -ENOENT) |
83096483 LP |
1870 | continue; |
1871 | ||
d9e5e694 | 1872 | return r; |
83096483 LP |
1873 | } |
1874 | ||
1875 | if (de->d_type != DT_LNK && de->d_type != DT_REG) | |
1876 | continue; | |
1877 | ||
1878 | f = new0(UnitFileList, 1); | |
d9e5e694 ZJS |
1879 | if (!f) |
1880 | return -ENOMEM; | |
83096483 LP |
1881 | |
1882 | f->path = path_make_absolute(de->d_name, units_dir); | |
d9e5e694 ZJS |
1883 | if (!f->path) |
1884 | return -ENOMEM; | |
83096483 LP |
1885 | |
1886 | r = null_or_empty_path(f->path); | |
d9e5e694 ZJS |
1887 | if (r < 0 && r != -ENOENT) |
1888 | return r; | |
1889 | else if (r > 0) { | |
83096483 LP |
1890 | f->state = |
1891 | path_startswith(*i, "/run") ? | |
1892 | UNIT_FILE_MASKED_RUNTIME : UNIT_FILE_MASKED; | |
1893 | goto found; | |
1894 | } | |
1895 | ||
1896 | r = find_symlinks_in_scope(scope, root_dir, de->d_name, &f->state); | |
d9e5e694 ZJS |
1897 | if (r < 0) |
1898 | return r; | |
1899 | else if (r > 0) { | |
b5b46d59 | 1900 | f->state = UNIT_FILE_ENABLED; |
83096483 | 1901 | goto found; |
b5b46d59 | 1902 | } |
83096483 LP |
1903 | |
1904 | r = unit_file_can_install(&paths, root_dir, f->path, true); | |
b5b46d59 LP |
1905 | if (r == -EINVAL || /* Invalid setting? */ |
1906 | r == -EBADMSG || /* Invalid format? */ | |
1907 | r == -ENOENT /* Included file not found? */) | |
1908 | f->state = UNIT_FILE_INVALID; | |
d9e5e694 ZJS |
1909 | else if (r < 0) |
1910 | return r; | |
1911 | else if (r > 0) | |
83096483 | 1912 | f->state = UNIT_FILE_DISABLED; |
b5b46d59 | 1913 | else |
83096483 | 1914 | f->state = UNIT_FILE_STATIC; |
83096483 LP |
1915 | |
1916 | found: | |
9eb977db | 1917 | r = hashmap_put(h, path_get_file_name(f->path), f); |
d9e5e694 ZJS |
1918 | if (r < 0) |
1919 | return r; | |
1920 | f = NULL; /* prevent cleanup */ | |
83096483 LP |
1921 | } |
1922 | } | |
1923 | ||
83096483 LP |
1924 | return r; |
1925 | } | |
1926 | ||
1927 | static const char* const unit_file_state_table[_UNIT_FILE_STATE_MAX] = { | |
1928 | [UNIT_FILE_ENABLED] = "enabled", | |
771faa9a | 1929 | [UNIT_FILE_ENABLED_RUNTIME] = "enabled-runtime", |
83096483 LP |
1930 | [UNIT_FILE_LINKED] = "linked", |
1931 | [UNIT_FILE_LINKED_RUNTIME] = "linked-runtime", | |
1932 | [UNIT_FILE_MASKED] = "masked", | |
1933 | [UNIT_FILE_MASKED_RUNTIME] = "masked-runtime", | |
1934 | [UNIT_FILE_STATIC] = "static", | |
b5b46d59 LP |
1935 | [UNIT_FILE_DISABLED] = "disabled", |
1936 | [UNIT_FILE_INVALID] = "invalid", | |
83096483 LP |
1937 | }; |
1938 | ||
1939 | DEFINE_STRING_TABLE_LOOKUP(unit_file_state, UnitFileState); | |
c0576cd6 LP |
1940 | |
1941 | static const char* const unit_file_change_type_table[_UNIT_FILE_CHANGE_TYPE_MAX] = { | |
1942 | [UNIT_FILE_SYMLINK] = "symlink", | |
1943 | [UNIT_FILE_UNLINK] = "unlink", | |
1944 | }; | |
1945 | ||
1946 | DEFINE_STRING_TABLE_LOOKUP(unit_file_change_type, UnitFileChangeType); |