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5008d581 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
3b63d2d3 | 6 | Copyright 2010 Lennart Poettering, Kay Sievers |
3f93da98 | 7 | Copyright 2015 Zbigniew Jędrzejewski-Szmek |
5008d581 LP |
8 | |
9 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
10 | under the terms of the GNU Lesser General Public License as published by |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
5008d581 LP |
12 | (at your option) any later version. |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 17 | Lesser General Public License for more details. |
5008d581 | 18 | |
5430f7f2 | 19 | You should have received a copy of the GNU Lesser General Public License |
5008d581 LP |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
21 | ***/ | |
22 | ||
23 | #include <unistd.h> | |
24 | #include <fcntl.h> | |
25 | #include <errno.h> | |
26 | #include <string.h> | |
5008d581 LP |
27 | #include <limits.h> |
28 | #include <dirent.h> | |
3b63d2d3 LP |
29 | #include <stdio.h> |
30 | #include <stdlib.h> | |
31 | #include <stddef.h> | |
32 | #include <getopt.h> | |
33 | #include <stdbool.h> | |
34 | #include <time.h> | |
b8bb3e8f LP |
35 | #include <glob.h> |
36 | #include <fnmatch.h> | |
505ef0e3 | 37 | #include <sys/stat.h> |
ebf4e801 | 38 | #include <sys/xattr.h> |
22c3a6ca | 39 | #include <linux/fs.h> |
5008d581 LP |
40 | |
41 | #include "log.h" | |
42 | #include "util.h" | |
54693d9b | 43 | #include "macro.h" |
d39efe74 | 44 | #include "missing.h" |
49e942b2 | 45 | #include "mkdir.h" |
9eb977db | 46 | #include "path-util.h" |
5008d581 LP |
47 | #include "strv.h" |
48 | #include "label.h" | |
3b63d2d3 | 49 | #include "set.h" |
2c21044f | 50 | #include "conf-files.h" |
cb7ed9df | 51 | #include "capability.h" |
1731e34a | 52 | #include "specifier.h" |
eb9da376 | 53 | #include "build.h" |
849958d1 | 54 | #include "copy.h" |
c6878637 | 55 | #include "rm-rf.h" |
d7b8eec7 LP |
56 | #include "selinux-util.h" |
57 | #include "btrfs-util.h" | |
f8eeeaf9 | 58 | #include "acl-util.h" |
5008d581 | 59 | |
01000479 | 60 | /* This reads all files listed in /etc/tmpfiles.d/?*.conf and creates |
5008d581 | 61 | * them in the file system. This is intended to be used to create |
db019b8d KS |
62 | * properly owned directories beneath /tmp, /var/tmp, /run, which are |
63 | * volatile and hence need to be recreated on bootup. */ | |
5008d581 | 64 | |
66ccd038 | 65 | typedef enum ItemType { |
b8bb3e8f | 66 | /* These ones take file names */ |
3b63d2d3 LP |
67 | CREATE_FILE = 'f', |
68 | TRUNCATE_FILE = 'F', | |
69 | CREATE_DIRECTORY = 'd', | |
70 | TRUNCATE_DIRECTORY = 'D', | |
d7b8eec7 | 71 | CREATE_SUBVOLUME = 'v', |
ee17ee7c | 72 | CREATE_FIFO = 'p', |
468d726b LP |
73 | CREATE_SYMLINK = 'L', |
74 | CREATE_CHAR_DEVICE = 'c', | |
75 | CREATE_BLOCK_DEVICE = 'b', | |
849958d1 | 76 | COPY_FILES = 'C', |
b8bb3e8f LP |
77 | |
78 | /* These ones take globs */ | |
b705ab6a ZJS |
79 | SET_XATTR = 't', |
80 | RECURSIVE_SET_XATTR = 'T', | |
81 | SET_ACL = 'a', | |
82 | RECURSIVE_SET_ACL = 'A', | |
cde684a2 | 83 | WRITE_FILE = 'w', |
3b63d2d3 | 84 | IGNORE_PATH = 'x', |
78a92a5a | 85 | IGNORE_DIRECTORY_PATH = 'X', |
3b63d2d3 | 86 | REMOVE_PATH = 'r', |
a8d88783 | 87 | RECURSIVE_REMOVE_PATH = 'R', |
e73a03e0 | 88 | ADJUST_MODE = 'm', /* legacy, 'z' is identical to this */ |
777b87e7 | 89 | RELABEL_PATH = 'z', |
e73a03e0 | 90 | RECURSIVE_RELABEL_PATH = 'Z', |
22c3a6ca GB |
91 | SET_ATTRIB = 'h', |
92 | RECURSIVE_SET_ATTRIB = 'H', | |
66ccd038 | 93 | } ItemType; |
3b63d2d3 LP |
94 | |
95 | typedef struct Item { | |
66ccd038 | 96 | ItemType type; |
3b63d2d3 LP |
97 | |
98 | char *path; | |
468d726b | 99 | char *argument; |
ebf4e801 | 100 | char **xattrs; |
f8eeeaf9 ZJS |
101 | #ifdef HAVE_ACL |
102 | acl_t acl_access; | |
103 | acl_t acl_default; | |
104 | #endif | |
5008d581 LP |
105 | uid_t uid; |
106 | gid_t gid; | |
3b63d2d3 LP |
107 | mode_t mode; |
108 | usec_t age; | |
109 | ||
468d726b | 110 | dev_t major_minor; |
22c3a6ca GB |
111 | unsigned long attrib_value; |
112 | unsigned long attrib_mask; | |
468d726b | 113 | |
3b63d2d3 LP |
114 | bool uid_set:1; |
115 | bool gid_set:1; | |
116 | bool mode_set:1; | |
117 | bool age_set:1; | |
abef3f91 | 118 | bool mask_perms:1; |
22c3a6ca | 119 | bool attrib_set:1; |
24f3a374 LP |
120 | |
121 | bool keep_first_level:1; | |
1910cd0e | 122 | |
2e78fa79 LP |
123 | bool force:1; |
124 | ||
1910cd0e | 125 | bool done:1; |
3b63d2d3 LP |
126 | } Item; |
127 | ||
3f93da98 ZJS |
128 | typedef struct ItemArray { |
129 | Item *items; | |
130 | size_t count; | |
131 | size_t size; | |
132 | } ItemArray; | |
133 | ||
3b63d2d3 LP |
134 | static bool arg_create = false; |
135 | static bool arg_clean = false; | |
136 | static bool arg_remove = false; | |
81815651 | 137 | static bool arg_boot = false; |
3b63d2d3 | 138 | |
7bc040fa LP |
139 | static char **arg_include_prefixes = NULL; |
140 | static char **arg_exclude_prefixes = NULL; | |
cf9a4abd | 141 | static char *arg_root = NULL; |
fba6e687 | 142 | |
7f0a55d4 | 143 | static const char conf_file_dirs[] = CONF_DIRS_NULSTR("tmpfiles"); |
9125670f | 144 | |
3b63d2d3 LP |
145 | #define MAX_DEPTH 256 |
146 | ||
7bc040fa LP |
147 | static Hashmap *items = NULL, *globs = NULL; |
148 | static Set *unix_sockets = NULL; | |
149 | ||
66ccd038 | 150 | static bool needs_glob(ItemType t) { |
cde684a2 LP |
151 | return IN_SET(t, |
152 | WRITE_FILE, | |
153 | IGNORE_PATH, | |
154 | IGNORE_DIRECTORY_PATH, | |
155 | REMOVE_PATH, | |
156 | RECURSIVE_REMOVE_PATH, | |
e73a03e0 | 157 | ADJUST_MODE, |
cde684a2 | 158 | RELABEL_PATH, |
b705ab6a ZJS |
159 | RECURSIVE_RELABEL_PATH, |
160 | SET_XATTR, | |
161 | RECURSIVE_SET_XATTR, | |
162 | SET_ACL, | |
163 | RECURSIVE_SET_ACL); | |
b8bb3e8f LP |
164 | } |
165 | ||
3f93da98 ZJS |
166 | static bool takes_ownership(ItemType t) { |
167 | return IN_SET(t, | |
168 | CREATE_FILE, | |
169 | TRUNCATE_FILE, | |
170 | CREATE_DIRECTORY, | |
171 | TRUNCATE_DIRECTORY, | |
172 | CREATE_SUBVOLUME, | |
173 | CREATE_FIFO, | |
174 | CREATE_SYMLINK, | |
175 | CREATE_CHAR_DEVICE, | |
176 | CREATE_BLOCK_DEVICE, | |
177 | COPY_FILES, | |
3f93da98 ZJS |
178 | WRITE_FILE, |
179 | IGNORE_PATH, | |
180 | IGNORE_DIRECTORY_PATH, | |
181 | REMOVE_PATH, | |
182 | RECURSIVE_REMOVE_PATH); | |
183 | } | |
184 | ||
b8bb3e8f | 185 | static struct Item* find_glob(Hashmap *h, const char *match) { |
3f93da98 | 186 | ItemArray *j; |
b8bb3e8f LP |
187 | Iterator i; |
188 | ||
3f93da98 ZJS |
189 | HASHMAP_FOREACH(j, h, i) { |
190 | unsigned n; | |
191 | ||
192 | for (n = 0; n < j->count; n++) { | |
193 | Item *item = j->items + n; | |
194 | ||
195 | if (fnmatch(item->path, match, FNM_PATHNAME|FNM_PERIOD) == 0) | |
196 | return item; | |
197 | } | |
198 | } | |
b8bb3e8f LP |
199 | |
200 | return NULL; | |
201 | } | |
202 | ||
17b90525 | 203 | static void load_unix_sockets(void) { |
7fd1b19b | 204 | _cleanup_fclose_ FILE *f = NULL; |
17b90525 LP |
205 | char line[LINE_MAX]; |
206 | ||
207 | if (unix_sockets) | |
208 | return; | |
209 | ||
210 | /* We maintain a cache of the sockets we found in | |
211 | * /proc/net/unix to speed things up a little. */ | |
212 | ||
d5099efc | 213 | unix_sockets = set_new(&string_hash_ops); |
fdcad0c2 | 214 | if (!unix_sockets) |
17b90525 LP |
215 | return; |
216 | ||
fdcad0c2 LP |
217 | f = fopen("/proc/net/unix", "re"); |
218 | if (!f) | |
17b90525 LP |
219 | return; |
220 | ||
fdcad0c2 LP |
221 | /* Skip header */ |
222 | if (!fgets(line, sizeof(line), f)) | |
17b90525 LP |
223 | goto fail; |
224 | ||
225 | for (;;) { | |
226 | char *p, *s; | |
227 | int k; | |
228 | ||
fdcad0c2 | 229 | if (!fgets(line, sizeof(line), f)) |
17b90525 LP |
230 | break; |
231 | ||
232 | truncate_nl(line); | |
233 | ||
fdcad0c2 LP |
234 | p = strchr(line, ':'); |
235 | if (!p) | |
236 | continue; | |
237 | ||
238 | if (strlen(p) < 37) | |
17b90525 LP |
239 | continue; |
240 | ||
fdcad0c2 | 241 | p += 37; |
17b90525 | 242 | p += strspn(p, WHITESPACE); |
fdcad0c2 | 243 | p += strcspn(p, WHITESPACE); /* skip one more word */ |
17b90525 LP |
244 | p += strspn(p, WHITESPACE); |
245 | ||
246 | if (*p != '/') | |
247 | continue; | |
248 | ||
fdcad0c2 LP |
249 | s = strdup(p); |
250 | if (!s) | |
17b90525 LP |
251 | goto fail; |
252 | ||
4ff21d85 LP |
253 | path_kill_slashes(s); |
254 | ||
ef42202a ZJS |
255 | k = set_consume(unix_sockets, s); |
256 | if (k < 0 && k != -EEXIST) | |
257 | goto fail; | |
17b90525 LP |
258 | } |
259 | ||
260 | return; | |
261 | ||
262 | fail: | |
263 | set_free_free(unix_sockets); | |
264 | unix_sockets = NULL; | |
17b90525 LP |
265 | } |
266 | ||
267 | static bool unix_socket_alive(const char *fn) { | |
268 | assert(fn); | |
269 | ||
270 | load_unix_sockets(); | |
271 | ||
272 | if (unix_sockets) | |
273 | return !!set_get(unix_sockets, (char*) fn); | |
274 | ||
275 | /* We don't know, so assume yes */ | |
276 | return true; | |
277 | } | |
278 | ||
99d680ac | 279 | static int dir_is_mount_point(DIR *d, const char *subdir) { |
cde684a2 | 280 | |
2695c5c4 | 281 | union file_handle_union h = FILE_HANDLE_INIT; |
99d680ac KS |
282 | int mount_id_parent, mount_id; |
283 | int r_p, r; | |
284 | ||
370c860f | 285 | r_p = name_to_handle_at(dirfd(d), ".", &h.handle, &mount_id_parent, 0); |
99d680ac KS |
286 | if (r_p < 0) |
287 | r_p = -errno; | |
288 | ||
370c860f DR |
289 | h.handle.handle_bytes = MAX_HANDLE_SZ; |
290 | r = name_to_handle_at(dirfd(d), subdir, &h.handle, &mount_id, 0); | |
99d680ac KS |
291 | if (r < 0) |
292 | r = -errno; | |
293 | ||
294 | /* got no handle; make no assumptions, return error */ | |
295 | if (r_p < 0 && r < 0) | |
296 | return r_p; | |
297 | ||
298 | /* got both handles; if they differ, it is a mount point */ | |
299 | if (r_p >= 0 && r >= 0) | |
300 | return mount_id_parent != mount_id; | |
301 | ||
302 | /* got only one handle; assume different mount points if one | |
303 | * of both queries was not supported by the filesystem */ | |
e7aab541 | 304 | if (r_p == -ENOSYS || r_p == -EOPNOTSUPP || r == -ENOSYS || r == -EOPNOTSUPP) |
99d680ac KS |
305 | return true; |
306 | ||
307 | /* return error */ | |
308 | if (r_p < 0) | |
309 | return r_p; | |
310 | return r; | |
311 | } | |
312 | ||
df99a9ef ZJS |
313 | static DIR* xopendirat_nomod(int dirfd, const char *path) { |
314 | DIR *dir; | |
315 | ||
316 | dir = xopendirat(dirfd, path, O_NOFOLLOW|O_NOATIME); | |
1532227a LP |
317 | if (dir) |
318 | return dir; | |
319 | ||
320 | log_debug_errno(errno, "Cannot open %sdirectory \"%s\": %m", dirfd == AT_FDCWD ? "" : "sub", path); | |
321 | if (errno != EPERM) | |
322 | return NULL; | |
323 | ||
324 | dir = xopendirat(dirfd, path, O_NOFOLLOW); | |
325 | if (!dir) | |
326 | log_debug_errno(errno, "Cannot open %sdirectory \"%s\": %m", dirfd == AT_FDCWD ? "" : "sub", path); | |
df99a9ef ZJS |
327 | |
328 | return dir; | |
329 | } | |
330 | ||
331 | static DIR* opendir_nomod(const char *path) { | |
332 | return xopendirat_nomod(AT_FDCWD, path); | |
333 | } | |
334 | ||
3b63d2d3 | 335 | static int dir_cleanup( |
78a92a5a | 336 | Item *i, |
3b63d2d3 LP |
337 | const char *p, |
338 | DIR *d, | |
339 | const struct stat *ds, | |
340 | usec_t cutoff, | |
341 | dev_t rootdev, | |
342 | bool mountpoint, | |
24f3a374 | 343 | int maxdepth, |
265ffa1e LP |
344 | bool keep_this_level) { |
345 | ||
3b63d2d3 LP |
346 | struct dirent *dent; |
347 | struct timespec times[2]; | |
348 | bool deleted = false; | |
3b63d2d3 LP |
349 | int r = 0; |
350 | ||
351 | while ((dent = readdir(d))) { | |
352 | struct stat s; | |
353 | usec_t age; | |
7fd1b19b | 354 | _cleanup_free_ char *sub_path = NULL; |
3b63d2d3 | 355 | |
7fcb4b9b | 356 | if (STR_IN_SET(dent->d_name, ".", "..")) |
3b63d2d3 | 357 | continue; |
5008d581 | 358 | |
3b63d2d3 | 359 | if (fstatat(dirfd(d), dent->d_name, &s, AT_SYMLINK_NOFOLLOW) < 0) { |
ca2f4176 KS |
360 | if (errno == ENOENT) |
361 | continue; | |
5008d581 | 362 | |
ca2f4176 KS |
363 | /* FUSE, NFS mounts, SELinux might return EACCES */ |
364 | if (errno == EACCES) | |
56f64d95 | 365 | log_debug_errno(errno, "stat(%s/%s) failed: %m", p, dent->d_name); |
ca2f4176 | 366 | else |
56f64d95 | 367 | log_error_errno(errno, "stat(%s/%s) failed: %m", p, dent->d_name); |
ca2f4176 | 368 | r = -errno; |
3b63d2d3 LP |
369 | continue; |
370 | } | |
371 | ||
372 | /* Stay on the same filesystem */ | |
582deb84 ZJS |
373 | if (s.st_dev != rootdev) { |
374 | log_debug("Ignoring \"%s/%s\": different filesystem.", p, dent->d_name); | |
3b63d2d3 | 375 | continue; |
582deb84 | 376 | } |
3b63d2d3 | 377 | |
99d680ac KS |
378 | /* Try to detect bind mounts of the same filesystem instance; they |
379 | * do not differ in device major/minors. This type of query is not | |
380 | * supported on all kernels or filesystem types though. */ | |
582deb84 ZJS |
381 | if (S_ISDIR(s.st_mode) && dir_is_mount_point(d, dent->d_name) > 0) { |
382 | log_debug("Ignoring \"%s/%s\": different mount of the same filesystem.", | |
383 | p, dent->d_name); | |
99d680ac | 384 | continue; |
582deb84 | 385 | } |
99d680ac | 386 | |
3b63d2d3 | 387 | /* Do not delete read-only files owned by root */ |
582deb84 ZJS |
388 | if (s.st_uid == 0 && !(s.st_mode & S_IWUSR)) { |
389 | log_debug("Ignoring \"%s/%s\": read-only and owner by root.", p, dent->d_name); | |
3b63d2d3 | 390 | continue; |
582deb84 | 391 | } |
3b63d2d3 | 392 | |
cde684a2 LP |
393 | sub_path = strjoin(p, "/", dent->d_name, NULL); |
394 | if (!sub_path) { | |
0d0f0c50 | 395 | r = log_oom(); |
3b63d2d3 LP |
396 | goto finish; |
397 | } | |
398 | ||
399 | /* Is there an item configured for this path? */ | |
582deb84 ZJS |
400 | if (hashmap_get(items, sub_path)) { |
401 | log_debug("Ignoring \"%s\": a separate entry exists.", sub_path); | |
3b63d2d3 | 402 | continue; |
582deb84 | 403 | } |
3b63d2d3 | 404 | |
582deb84 ZJS |
405 | if (find_glob(globs, sub_path)) { |
406 | log_debug("Ignoring \"%s\": a separate glob exists.", sub_path); | |
b8bb3e8f | 407 | continue; |
582deb84 | 408 | } |
b8bb3e8f | 409 | |
3b63d2d3 LP |
410 | if (S_ISDIR(s.st_mode)) { |
411 | ||
412 | if (mountpoint && | |
413 | streq(dent->d_name, "lost+found") && | |
582deb84 ZJS |
414 | s.st_uid == 0) { |
415 | log_debug("Ignoring \"%s\".", sub_path); | |
3b63d2d3 | 416 | continue; |
582deb84 | 417 | } |
3b63d2d3 LP |
418 | |
419 | if (maxdepth <= 0) | |
582deb84 | 420 | log_warning("Reached max depth on \"%s\".", sub_path); |
3b63d2d3 | 421 | else { |
7fd1b19b | 422 | _cleanup_closedir_ DIR *sub_dir; |
3b63d2d3 LP |
423 | int q; |
424 | ||
df99a9ef | 425 | sub_dir = xopendirat_nomod(dirfd(d), dent->d_name); |
cde684a2 | 426 | if (!sub_dir) { |
582deb84 ZJS |
427 | if (errno != ENOENT) |
428 | r = log_error_errno(errno, "opendir(%s) failed: %m", sub_path); | |
3b63d2d3 LP |
429 | |
430 | continue; | |
431 | } | |
432 | ||
78a92a5a | 433 | q = dir_cleanup(i, sub_path, sub_dir, &s, cutoff, rootdev, false, maxdepth-1, false); |
3b63d2d3 LP |
434 | if (q < 0) |
435 | r = q; | |
436 | } | |
437 | ||
24f3a374 LP |
438 | /* Note: if you are wondering why we don't |
439 | * support the sticky bit for excluding | |
440 | * directories from cleaning like we do it for | |
441 | * other file system objects: well, the sticky | |
442 | * bit already has a meaning for directories, | |
443 | * so we don't want to overload that. */ | |
444 | ||
582deb84 ZJS |
445 | if (keep_this_level) { |
446 | log_debug("Keeping \"%s\".", sub_path); | |
24f3a374 | 447 | continue; |
582deb84 | 448 | } |
24f3a374 | 449 | |
3b63d2d3 | 450 | /* Ignore ctime, we change it when deleting */ |
582deb84 ZJS |
451 | age = timespec_load(&s.st_mtim); |
452 | if (age >= cutoff) { | |
453 | char a[FORMAT_TIMESTAMP_MAX]; | |
454 | /* Follows spelling in stat(1). */ | |
455 | log_debug("Directory \"%s\": modify time %s is too new.", | |
456 | sub_path, | |
457 | format_timestamp_us(a, sizeof(a), age)); | |
3b63d2d3 | 458 | continue; |
582deb84 ZJS |
459 | } |
460 | ||
461 | age = timespec_load(&s.st_atim); | |
462 | if (age >= cutoff) { | |
463 | char a[FORMAT_TIMESTAMP_MAX]; | |
464 | log_debug("Directory \"%s\": access time %s is too new.", | |
465 | sub_path, | |
466 | format_timestamp_us(a, sizeof(a), age)); | |
467 | continue; | |
468 | } | |
3b63d2d3 | 469 | |
61253220 ZJS |
470 | log_debug("Removing directory \"%s\".", sub_path); |
471 | if (unlinkat(dirfd(d), dent->d_name, AT_REMOVEDIR) < 0) | |
472 | if (errno != ENOENT && errno != ENOTEMPTY) { | |
473 | log_error_errno(errno, "rmdir(%s): %m", sub_path); | |
474 | r = -errno; | |
3b63d2d3 | 475 | } |
3b63d2d3 LP |
476 | |
477 | } else { | |
9c73736d LP |
478 | /* Skip files for which the sticky bit is |
479 | * set. These are semantics we define, and are | |
480 | * unknown elsewhere. See XDG_RUNTIME_DIR | |
481 | * specification for details. */ | |
582deb84 ZJS |
482 | if (s.st_mode & S_ISVTX) { |
483 | log_debug("Skipping \"%s\": sticky bit set.", sub_path); | |
9c73736d | 484 | continue; |
582deb84 | 485 | } |
9c73736d | 486 | |
582deb84 ZJS |
487 | if (mountpoint && S_ISREG(s.st_mode)) |
488 | if ((streq(dent->d_name, ".journal") && s.st_uid == 0) || | |
489 | streq(dent->d_name, "aquota.user") || | |
490 | streq(dent->d_name, "aquota.group")) { | |
491 | log_debug("Skipping \"%s\".", sub_path); | |
3b63d2d3 | 492 | continue; |
582deb84 | 493 | } |
3b63d2d3 | 494 | |
17b90525 | 495 | /* Ignore sockets that are listed in /proc/net/unix */ |
582deb84 ZJS |
496 | if (S_ISSOCK(s.st_mode) && unix_socket_alive(sub_path)) { |
497 | log_debug("Skipping \"%s\": live socket.", sub_path); | |
17b90525 | 498 | continue; |
582deb84 | 499 | } |
17b90525 | 500 | |
78ab08eb | 501 | /* Ignore device nodes */ |
582deb84 ZJS |
502 | if (S_ISCHR(s.st_mode) || S_ISBLK(s.st_mode)) { |
503 | log_debug("Skipping \"%s\": a device.", sub_path); | |
78ab08eb | 504 | continue; |
582deb84 | 505 | } |
78ab08eb | 506 | |
24f3a374 LP |
507 | /* Keep files on this level around if this is |
508 | * requested */ | |
582deb84 ZJS |
509 | if (keep_this_level) { |
510 | log_debug("Keeping \"%s\".", sub_path); | |
24f3a374 | 511 | continue; |
582deb84 | 512 | } |
24f3a374 | 513 | |
582deb84 ZJS |
514 | age = timespec_load(&s.st_mtim); |
515 | if (age >= cutoff) { | |
516 | char a[FORMAT_TIMESTAMP_MAX]; | |
517 | /* Follows spelling in stat(1). */ | |
518 | log_debug("File \"%s\": modify time %s is too new.", | |
519 | sub_path, | |
520 | format_timestamp_us(a, sizeof(a), age)); | |
3b63d2d3 | 521 | continue; |
582deb84 | 522 | } |
3b63d2d3 | 523 | |
582deb84 ZJS |
524 | age = timespec_load(&s.st_atim); |
525 | if (age >= cutoff) { | |
526 | char a[FORMAT_TIMESTAMP_MAX]; | |
527 | log_debug("File \"%s\": access time %s is too new.", | |
528 | sub_path, | |
529 | format_timestamp_us(a, sizeof(a), age)); | |
530 | continue; | |
531 | } | |
3b63d2d3 | 532 | |
582deb84 ZJS |
533 | age = timespec_load(&s.st_ctim); |
534 | if (age >= cutoff) { | |
535 | char a[FORMAT_TIMESTAMP_MAX]; | |
536 | log_debug("File \"%s\": change time %s is too new.", | |
537 | sub_path, | |
538 | format_timestamp_us(a, sizeof(a), age)); | |
539 | continue; | |
3b63d2d3 LP |
540 | } |
541 | ||
582deb84 ZJS |
542 | log_debug("unlink \"%s\"", sub_path); |
543 | ||
544 | if (unlinkat(dirfd(d), dent->d_name, 0) < 0) | |
545 | if (errno != ENOENT) | |
546 | r = log_error_errno(errno, "unlink(%s): %m", sub_path); | |
547 | ||
3b63d2d3 LP |
548 | deleted = true; |
549 | } | |
550 | } | |
551 | ||
552 | finish: | |
553 | if (deleted) { | |
582deb84 ZJS |
554 | usec_t age1, age2; |
555 | char a[FORMAT_TIMESTAMP_MAX], b[FORMAT_TIMESTAMP_MAX]; | |
556 | ||
3b63d2d3 LP |
557 | /* Restore original directory timestamps */ |
558 | times[0] = ds->st_atim; | |
559 | times[1] = ds->st_mtim; | |
560 | ||
582deb84 ZJS |
561 | age1 = timespec_load(&ds->st_atim); |
562 | age2 = timespec_load(&ds->st_mtim); | |
563 | log_debug("Restoring access and modification time on \"%s\": %s, %s", | |
564 | p, | |
565 | format_timestamp_us(a, sizeof(a), age1), | |
566 | format_timestamp_us(b, sizeof(b), age2)); | |
3b63d2d3 | 567 | if (futimens(dirfd(d), times) < 0) |
56f64d95 | 568 | log_error_errno(errno, "utimensat(%s): %m", p); |
3b63d2d3 LP |
569 | } |
570 | ||
3b63d2d3 LP |
571 | return r; |
572 | } | |
573 | ||
b705ab6a | 574 | static int path_set_perms(Item *i, const char *path) { |
1924a97d MO |
575 | struct stat st; |
576 | bool st_valid; | |
577 | ||
cde684a2 LP |
578 | assert(i); |
579 | assert(path); | |
580 | ||
1924a97d MO |
581 | st_valid = stat(path, &st) == 0; |
582 | ||
062e01bb | 583 | /* not using i->path directly because it may be a glob */ |
abef3f91 LP |
584 | if (i->mode_set) { |
585 | mode_t m = i->mode; | |
586 | ||
1924a97d MO |
587 | if (i->mask_perms && st_valid) { |
588 | if (!(st.st_mode & 0111)) | |
589 | m &= ~0111; | |
590 | if (!(st.st_mode & 0222)) | |
591 | m &= ~0222; | |
592 | if (!(st.st_mode & 0444)) | |
593 | m &= ~0444; | |
594 | if (!S_ISDIR(st.st_mode)) | |
595 | m &= ~07000; /* remove sticky/sgid/suid bit, unless directory */ | |
abef3f91 LP |
596 | } |
597 | ||
582deb84 ZJS |
598 | if (st_valid && m == (st.st_mode & 07777)) |
599 | log_debug("\"%s\" has right mode %o", path, st.st_mode); | |
600 | else { | |
601 | log_debug("chmod \"%s\" to mode %o", path, m); | |
4a62c710 MS |
602 | if (chmod(path, m) < 0) |
603 | return log_error_errno(errno, "chmod(%s) failed: %m", path); | |
062e01bb | 604 | } |
abef3f91 | 605 | } |
062e01bb | 606 | |
582deb84 ZJS |
607 | if ((!st_valid || i->uid != st.st_uid || i->gid != st.st_gid) && |
608 | (i->uid_set || i->gid_set)) { | |
609 | log_debug("chown \"%s\" to "UID_FMT"."GID_FMT, | |
610 | path, | |
611 | i->uid_set ? i->uid : UID_INVALID, | |
612 | i->gid_set ? i->gid : GID_INVALID); | |
062e01bb | 613 | if (chown(path, |
fed1e721 | 614 | i->uid_set ? i->uid : UID_INVALID, |
505ef0e3 | 615 | i->gid_set ? i->gid : GID_INVALID) < 0) |
062e01bb | 616 | |
505ef0e3 | 617 | return log_error_errno(errno, "chown(%s) failed: %m", path); |
582deb84 | 618 | } |
062e01bb | 619 | |
9855d6c7 | 620 | return label_fix(path, false, false); |
062e01bb MS |
621 | } |
622 | ||
ebf4e801 | 623 | static int get_xattrs_from_arg(Item *i) { |
ebf4e801 MW |
624 | const char *p; |
625 | int r; | |
626 | ||
627 | assert(i); | |
505ef0e3 | 628 | assert(i->argument); |
ebf4e801 | 629 | |
ebf4e801 MW |
630 | p = i->argument; |
631 | ||
4034a06d LP |
632 | for (;;) { |
633 | _cleanup_free_ char *name = NULL, *value = NULL, *xattr = NULL; | |
634 | ||
635 | r = unquote_first_word(&p, &xattr, UNQUOTE_CUNESCAPE); | |
636 | if (r < 0) | |
637 | log_warning_errno(r, "Failed to parse extended attribute, ignoring: %s", p); | |
638 | if (r <= 0) | |
639 | break; | |
505ef0e3 | 640 | |
ebf4e801 MW |
641 | r = split_pair(xattr, "=", &name, &value); |
642 | if (r < 0) { | |
4034a06d | 643 | log_warning_errno(r, "Failed to parse extended attribute, ignoring: %s", xattr); |
ebf4e801 MW |
644 | continue; |
645 | } | |
505ef0e3 | 646 | |
4034a06d LP |
647 | if (isempty(name) || isempty(value)) { |
648 | log_warning("Malformed xattr found, ignoring: %s", xattr); | |
ebf4e801 MW |
649 | continue; |
650 | } | |
505ef0e3 | 651 | |
4034a06d | 652 | if (strv_push_pair(&i->xattrs, name, value) < 0) |
ebf4e801 | 653 | return log_oom(); |
505ef0e3 | 654 | |
4034a06d | 655 | name = value = NULL; |
ebf4e801 MW |
656 | } |
657 | ||
4034a06d | 658 | return 0; |
ebf4e801 MW |
659 | } |
660 | ||
b705ab6a | 661 | static int path_set_xattrs(Item *i, const char *path) { |
ebf4e801 MW |
662 | char **name, **value; |
663 | ||
664 | assert(i); | |
665 | assert(path); | |
666 | ||
ebf4e801 MW |
667 | STRV_FOREACH_PAIR(name, value, i->xattrs) { |
668 | int n; | |
505ef0e3 | 669 | |
ebf4e801 | 670 | n = strlen(*value); |
582deb84 | 671 | log_debug("\"%s\": setting xattr \"%s=%s\"", path, *name, *value); |
ebf4e801 | 672 | if (lsetxattr(path, *name, *value, n, 0) < 0) { |
505ef0e3 ZJS |
673 | log_error("Setting extended attribute %s=%s on %s failed: %m", |
674 | *name, *value, path); | |
ebf4e801 MW |
675 | return -errno; |
676 | } | |
677 | } | |
678 | return 0; | |
679 | } | |
680 | ||
f8eeeaf9 ZJS |
681 | static int get_acls_from_arg(Item *item) { |
682 | #ifdef HAVE_ACL | |
683 | int r; | |
f8eeeaf9 ZJS |
684 | |
685 | assert(item); | |
686 | ||
50d9e46d ZJS |
687 | /* If force (= modify) is set, we will not modify the acl |
688 | * afterwards, so the mask can be added now if necessary. */ | |
689 | r = parse_acl(item->argument, &item->acl_access, &item->acl_default, !item->force); | |
f8eeeaf9 | 690 | if (r < 0) |
4034a06d | 691 | log_warning_errno(r, "Failed to parse ACL \"%s\": %m. Ignoring", item->argument); |
f8eeeaf9 ZJS |
692 | #else |
693 | log_warning_errno(ENOSYS, "ACLs are not supported. Ignoring"); | |
694 | #endif | |
695 | ||
696 | return 0; | |
697 | } | |
698 | ||
35888b67 | 699 | #ifdef HAVE_ACL |
50d9e46d | 700 | static int path_set_acl(const char *path, acl_type_t type, acl_t acl, bool modify) { |
dd4105b0 | 701 | _cleanup_(acl_freep) acl_t dup = NULL; |
50d9e46d | 702 | int r; |
582deb84 | 703 | _cleanup_(acl_free_charpp) char *t = NULL; |
50d9e46d | 704 | |
d873e877 HPD |
705 | /* Returns 0 for success, positive error if already warned, |
706 | * negative error otherwise. */ | |
707 | ||
50d9e46d | 708 | if (modify) { |
dd4105b0 | 709 | r = acls_for_file(path, type, acl, &dup); |
50d9e46d ZJS |
710 | if (r < 0) |
711 | return r; | |
50d9e46d | 712 | |
dd4105b0 ZJS |
713 | r = calc_acl_mask_if_needed(&dup); |
714 | if (r < 0) | |
715 | return r; | |
716 | } else { | |
717 | dup = acl_dup(acl); | |
718 | if (!dup) | |
719 | return -errno; | |
720 | ||
721 | /* the mask was already added earlier if needed */ | |
722 | } | |
723 | ||
724 | r = add_base_acls_if_needed(&dup, path); | |
725 | if (r < 0) | |
726 | return r; | |
727 | ||
582deb84 ZJS |
728 | t = acl_to_any_text(dup, NULL, ',', TEXT_ABBREVIATE); |
729 | log_debug("\"%s\": setting %s ACL \"%s\"", path, | |
730 | type == ACL_TYPE_ACCESS ? "access" : "default", | |
731 | strna(t)); | |
50d9e46d | 732 | |
582deb84 ZJS |
733 | r = acl_set_file(path, type, dup); |
734 | if (r < 0) | |
d873e877 HPD |
735 | return -log_error_errno(errno, |
736 | "Setting %s ACL \"%s\" on %s failed: %m", | |
737 | type == ACL_TYPE_ACCESS ? "access" : "default", | |
738 | strna(t), path); | |
739 | ||
582deb84 | 740 | return 0; |
50d9e46d | 741 | } |
35888b67 | 742 | #endif |
50d9e46d | 743 | |
b705ab6a | 744 | static int path_set_acls(Item *item, const char *path) { |
d873e877 | 745 | int r = 0; |
f8eeeaf9 | 746 | #ifdef HAVE_ACL |
f8eeeaf9 ZJS |
747 | assert(item); |
748 | assert(path); | |
749 | ||
d873e877 | 750 | if (item->acl_access) |
50d9e46d | 751 | r = path_set_acl(path, ACL_TYPE_ACCESS, item->acl_access, item->force); |
f8eeeaf9 | 752 | |
d873e877 | 753 | if (r == 0 && item->acl_default) |
50d9e46d | 754 | r = path_set_acl(path, ACL_TYPE_DEFAULT, item->acl_default, item->force); |
f8eeeaf9 | 755 | |
d873e877 HPD |
756 | if (r > 0) |
757 | return -r; /* already warned */ | |
15411c0c | 758 | else if (r == -EOPNOTSUPP) { |
d873e877 HPD |
759 | log_debug_errno(r, "ACLs not supported by file system at %s", path); |
760 | return 0; | |
761 | } else if (r < 0) | |
762 | log_error_errno(r, "ACL operation on \"%s\" failed: %m", path); | |
763 | #endif | |
764 | return r; | |
f8eeeaf9 ZJS |
765 | } |
766 | ||
22c3a6ca GB |
767 | #define ALL_ATTRIBS \ |
768 | FS_NOATIME_FL | \ | |
769 | FS_SYNC_FL | \ | |
770 | FS_DIRSYNC_FL | \ | |
771 | FS_APPEND_FL | \ | |
772 | FS_COMPR_FL | \ | |
773 | FS_NODUMP_FL | \ | |
774 | FS_EXTENT_FL | \ | |
775 | FS_IMMUTABLE_FL | \ | |
776 | FS_JOURNAL_DATA_FL | \ | |
777 | FS_SECRM_FL | \ | |
778 | FS_UNRM_FL | \ | |
779 | FS_NOTAIL_FL | \ | |
780 | FS_TOPDIR_FL | \ | |
781 | FS_NOCOW_FL | |
782 | ||
783 | static int get_attrib_from_arg(Item *item) { | |
784 | static const unsigned attributes[] = { | |
785 | [(uint8_t)'A'] = FS_NOATIME_FL, /* do not update atime */ | |
786 | [(uint8_t)'S'] = FS_SYNC_FL, /* Synchronous updates */ | |
787 | [(uint8_t)'D'] = FS_DIRSYNC_FL, /* dirsync behaviour (directories only) */ | |
788 | [(uint8_t)'a'] = FS_APPEND_FL, /* writes to file may only append */ | |
789 | [(uint8_t)'c'] = FS_COMPR_FL, /* Compress file */ | |
790 | [(uint8_t)'d'] = FS_NODUMP_FL, /* do not dump file */ | |
791 | [(uint8_t)'e'] = FS_EXTENT_FL, /* Top of directory hierarchies*/ | |
792 | [(uint8_t)'i'] = FS_IMMUTABLE_FL, /* Immutable file */ | |
793 | [(uint8_t)'j'] = FS_JOURNAL_DATA_FL, /* Reserved for ext3 */ | |
794 | [(uint8_t)'s'] = FS_SECRM_FL, /* Secure deletion */ | |
795 | [(uint8_t)'u'] = FS_UNRM_FL, /* Undelete */ | |
796 | [(uint8_t)'t'] = FS_NOTAIL_FL, /* file tail should not be merged */ | |
797 | [(uint8_t)'T'] = FS_TOPDIR_FL, /* Top of directory hierarchies*/ | |
798 | [(uint8_t)'C'] = FS_NOCOW_FL, /* Do not cow file */ | |
799 | }; | |
800 | char *p = item->argument; | |
801 | enum { | |
802 | MODE_ADD, | |
803 | MODE_DEL, | |
804 | MODE_SET | |
805 | } mode = MODE_ADD; | |
806 | unsigned long value = 0, mask = 0; | |
807 | ||
808 | if (!p) { | |
809 | log_error("\"%s\": setting ATTR need an argument", item->path); | |
810 | return -EINVAL; | |
811 | } | |
812 | ||
813 | if (*p == '+') { | |
814 | mode = MODE_ADD; | |
815 | p++; | |
816 | } else if (*p == '-') { | |
817 | mode = MODE_DEL; | |
818 | p++; | |
819 | } else if (*p == '=') { | |
820 | mode = MODE_SET; | |
821 | p++; | |
822 | } | |
823 | ||
824 | if (!*p && mode != MODE_SET) { | |
825 | log_error("\"%s\": setting ATTR: argument is empty", item->path); | |
826 | return -EINVAL; | |
827 | } | |
828 | for (; *p ; p++) { | |
a4135d32 | 829 | if ((uint8_t)*p >= ELEMENTSOF(attributes) || attributes[(uint8_t)*p] == 0) { |
22c3a6ca GB |
830 | log_error("\"%s\": setting ATTR: unknown attr '%c'", item->path, *p); |
831 | return -EINVAL; | |
832 | } | |
833 | if (mode == MODE_ADD || mode == MODE_SET) | |
834 | value |= attributes[(uint8_t)*p]; | |
835 | else | |
836 | value &= ~attributes[(uint8_t)*p]; | |
837 | mask |= attributes[(uint8_t)*p]; | |
838 | } | |
839 | ||
840 | if (mode == MODE_SET) | |
841 | mask |= ALL_ATTRIBS; | |
842 | ||
843 | assert(mask); | |
844 | ||
845 | item->attrib_mask = mask; | |
846 | item->attrib_value = value; | |
847 | item->attrib_set = true; | |
848 | ||
849 | return 0; | |
850 | ||
851 | } | |
852 | ||
853 | static int path_set_attrib(Item *item, const char *path) { | |
854 | _cleanup_close_ int fd = -1; | |
855 | int r; | |
856 | unsigned f; | |
857 | struct stat st; | |
858 | ||
859 | /* do nothing */ | |
860 | if (item->attrib_mask == 0 || !item->attrib_set) | |
861 | return 0; | |
862 | /* | |
863 | * It is OK to ignore an lstat() error, because the error | |
864 | * will be catch by the open() below anyway | |
865 | */ | |
866 | if (lstat(path, &st) == 0 && | |
867 | !S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode)) { | |
868 | return 0; | |
869 | } | |
870 | ||
871 | fd = open(path, O_RDONLY|O_NONBLOCK|O_CLOEXEC); | |
872 | ||
873 | if (fd < 0) | |
874 | return log_error_errno(errno, "Cannot open \"%s\": %m", path); | |
875 | ||
876 | f = item->attrib_value & item->attrib_mask; | |
877 | if (!S_ISDIR(st.st_mode)) | |
878 | f &= ~FS_DIRSYNC_FL; | |
879 | r = change_attr_fd(fd, f, item->attrib_mask); | |
880 | if (r < 0) | |
881 | return log_error_errno(errno, | |
882 | "Cannot set attrib for \"%s\", value=0x%08lx, mask=0x%08lx: %m", | |
883 | path, item->attrib_value, item->attrib_mask); | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
d4e9eb91 | 888 | static int write_one_file(Item *i, const char *path) { |
43ad6e31 LP |
889 | _cleanup_close_ int fd = -1; |
890 | int flags, r = 0; | |
d4e9eb91 | 891 | struct stat st; |
d4e9eb91 | 892 | |
874f1947 LP |
893 | assert(i); |
894 | assert(path); | |
895 | ||
43ad6e31 LP |
896 | flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND|O_NOFOLLOW : |
897 | i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC|O_NOFOLLOW : 0; | |
d4e9eb91 | 898 | |
43ad6e31 | 899 | RUN_WITH_UMASK(0000) { |
ecabcf8b | 900 | mac_selinux_create_file_prepare(path, S_IFREG); |
43ad6e31 | 901 | fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY, i->mode); |
ecabcf8b | 902 | mac_selinux_create_file_clear(); |
5c0d398d | 903 | } |
d4e9eb91 DR |
904 | |
905 | if (fd < 0) { | |
582deb84 ZJS |
906 | if (i->type == WRITE_FILE && errno == ENOENT) { |
907 | log_debug_errno(errno, "Not writing \"%s\": %m", path); | |
d4e9eb91 | 908 | return 0; |
582deb84 | 909 | } |
d4e9eb91 | 910 | |
56f64d95 | 911 | log_error_errno(errno, "Failed to create file %s: %m", path); |
d4e9eb91 DR |
912 | return -errno; |
913 | } | |
914 | ||
915 | if (i->argument) { | |
cde684a2 | 916 | _cleanup_free_ char *unescaped; |
582deb84 | 917 | |
4034a06d | 918 | log_debug("%s to \"%s\".", i->type == CREATE_FILE ? "Appending" : "Writing", path); |
d4e9eb91 | 919 | |
54693d9b | 920 | unescaped = cunescape(i->argument); |
43ad6e31 | 921 | if (!unescaped) |
54693d9b | 922 | return log_oom(); |
d4e9eb91 | 923 | |
582deb84 ZJS |
924 | r = loop_write(fd, unescaped, strlen(unescaped), false); |
925 | if (r < 0) | |
926 | return log_error_errno(r, "Failed to write file \"%s\": %m", path); | |
927 | } else | |
928 | log_debug("\"%s\" has been created.", path); | |
d4e9eb91 | 929 | |
43ad6e31 | 930 | fd = safe_close(fd); |
3612fbc1 | 931 | |
4a62c710 MS |
932 | if (stat(path, &st) < 0) |
933 | return log_error_errno(errno, "stat(%s) failed: %m", path); | |
d4e9eb91 DR |
934 | |
935 | if (!S_ISREG(st.st_mode)) { | |
936 | log_error("%s is not a file.", path); | |
937 | return -EEXIST; | |
938 | } | |
939 | ||
b705ab6a | 940 | r = path_set_perms(i, path); |
d4e9eb91 DR |
941 | if (r < 0) |
942 | return r; | |
943 | ||
944 | return 0; | |
945 | } | |
946 | ||
081043cf ZJS |
947 | typedef int (*action_t)(Item *, const char *); |
948 | ||
949 | static int item_do_children(Item *i, const char *path, action_t action) { | |
7fd1b19b | 950 | _cleanup_closedir_ DIR *d; |
e73a03e0 LP |
951 | int r = 0; |
952 | ||
953 | assert(i); | |
954 | assert(path); | |
a8d88783 MS |
955 | |
956 | /* This returns the first error we run into, but nevertheless | |
957 | * tries to go on */ | |
958 | ||
df99a9ef ZJS |
959 | d = opendir_nomod(path); |
960 | if (!d) | |
e73a03e0 | 961 | return errno == ENOENT || errno == ENOTDIR ? 0 : -errno; |
a8d88783 MS |
962 | |
963 | for (;;) { | |
e73a03e0 | 964 | _cleanup_free_ char *p = NULL; |
7d5e9c0f | 965 | struct dirent *de; |
e73a03e0 | 966 | int q; |
a8d88783 | 967 | |
d78096b3 FW |
968 | errno = 0; |
969 | de = readdir(d); | |
e73a03e0 LP |
970 | if (!de) { |
971 | if (errno != 0 && r == 0) | |
972 | r = -errno; | |
a8d88783 | 973 | |
a8d88783 | 974 | break; |
e73a03e0 | 975 | } |
a8d88783 | 976 | |
7fcb4b9b | 977 | if (STR_IN_SET(de->d_name, ".", "..")) |
a8d88783 MS |
978 | continue; |
979 | ||
e73a03e0 LP |
980 | p = strjoin(path, "/", de->d_name, NULL); |
981 | if (!p) | |
982 | return -ENOMEM; | |
a8d88783 | 983 | |
081043cf | 984 | q = action(i, p); |
e73a03e0 LP |
985 | if (q < 0 && q != -ENOENT && r == 0) |
986 | r = q; | |
a8d88783 | 987 | |
e73a03e0 | 988 | if (IN_SET(de->d_type, DT_UNKNOWN, DT_DIR)) { |
081043cf | 989 | q = item_do_children(i, p, action); |
e73a03e0 LP |
990 | if (q < 0 && r == 0) |
991 | r = q; | |
a8d88783 | 992 | } |
a8d88783 MS |
993 | } |
994 | ||
e73a03e0 | 995 | return r; |
a8d88783 MS |
996 | } |
997 | ||
081043cf | 998 | static int glob_item(Item *i, action_t action, bool recursive) { |
df99a9ef | 999 | _cleanup_globfree_ glob_t g = { |
ebf31a1f ZJS |
1000 | .gl_closedir = (void (*)(void *)) closedir, |
1001 | .gl_readdir = (struct dirent *(*)(void *)) readdir, | |
1002 | .gl_opendir = (void *(*)(const char *)) opendir_nomod, | |
df99a9ef ZJS |
1003 | .gl_lstat = lstat, |
1004 | .gl_stat = stat, | |
1005 | }; | |
e73a03e0 | 1006 | int r = 0, k; |
99e68c0b MS |
1007 | char **fn; |
1008 | ||
99e68c0b | 1009 | errno = 0; |
df99a9ef | 1010 | k = glob(i->path, GLOB_NOSORT|GLOB_BRACE|GLOB_ALTDIRFUNC, NULL, &g); |
081043cf ZJS |
1011 | if (k != 0 && k != GLOB_NOMATCH) |
1012 | return log_error_errno(errno ?: EIO, "glob(%s) failed: %m", i->path); | |
99e68c0b | 1013 | |
c84a9488 ZJS |
1014 | STRV_FOREACH(fn, g.gl_pathv) { |
1015 | k = action(i, *fn); | |
e73a03e0 | 1016 | if (k < 0 && r == 0) |
99e68c0b | 1017 | r = k; |
081043cf ZJS |
1018 | |
1019 | if (recursive) { | |
1020 | k = item_do_children(i, *fn, action); | |
1021 | if (k < 0 && r == 0) | |
1022 | r = k; | |
1023 | } | |
c84a9488 | 1024 | } |
99e68c0b | 1025 | |
99e68c0b MS |
1026 | return r; |
1027 | } | |
1028 | ||
294929f8 ZJS |
1029 | typedef enum { |
1030 | CREATION_NORMAL, | |
1031 | CREATION_EXISTING, | |
1032 | CREATION_FORCE, | |
7a7d5db7 LP |
1033 | _CREATION_MODE_MAX, |
1034 | _CREATION_MODE_INVALID = -1 | |
294929f8 ZJS |
1035 | } CreationMode; |
1036 | ||
7a7d5db7 LP |
1037 | static const char *creation_mode_verb_table[_CREATION_MODE_MAX] = { |
1038 | [CREATION_NORMAL] = "Created", | |
1039 | [CREATION_EXISTING] = "Found existing", | |
1040 | [CREATION_FORCE] = "Created replacement", | |
1041 | }; | |
1042 | ||
1043 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(creation_mode_verb, CreationMode); | |
294929f8 | 1044 | |
3b63d2d3 | 1045 | static int create_item(Item *i) { |
3b63d2d3 | 1046 | struct stat st; |
df28bc08 | 1047 | int r = 0; |
294929f8 | 1048 | CreationMode creation; |
5008d581 | 1049 | |
3b63d2d3 | 1050 | assert(i); |
5008d581 | 1051 | |
582deb84 ZJS |
1052 | log_debug("Running create action for entry %c %s", (char) i->type, i->path); |
1053 | ||
3b63d2d3 LP |
1054 | switch (i->type) { |
1055 | ||
1056 | case IGNORE_PATH: | |
78a92a5a | 1057 | case IGNORE_DIRECTORY_PATH: |
3b63d2d3 LP |
1058 | case REMOVE_PATH: |
1059 | case RECURSIVE_REMOVE_PATH: | |
1060 | return 0; | |
5008d581 | 1061 | |
3b63d2d3 | 1062 | case CREATE_FILE: |
31ed59c5 | 1063 | case TRUNCATE_FILE: |
1845fdd9 DR |
1064 | r = write_one_file(i, i->path); |
1065 | if (r < 0) | |
1066 | return r; | |
1067 | break; | |
265ffa1e | 1068 | |
849958d1 | 1069 | case COPY_FILES: |
582deb84 | 1070 | log_debug("Copying tree \"%s\" to \"%s\".", i->argument, i->path); |
e156347e | 1071 | r = copy_tree(i->argument, i->path, false); |
849958d1 | 1072 | if (r < 0) { |
e156347e LP |
1073 | struct stat a, b; |
1074 | ||
8d3d7072 MS |
1075 | if (r != -EEXIST) |
1076 | return log_error_errno(r, "Failed to copy files to %s: %m", i->path); | |
e156347e | 1077 | |
4a62c710 MS |
1078 | if (stat(i->argument, &a) < 0) |
1079 | return log_error_errno(errno, "stat(%s) failed: %m", i->argument); | |
e156347e | 1080 | |
4a62c710 MS |
1081 | if (stat(i->path, &b) < 0) |
1082 | return log_error_errno(errno, "stat(%s) failed: %m", i->path); | |
e156347e LP |
1083 | |
1084 | if ((a.st_mode ^ b.st_mode) & S_IFMT) { | |
1085 | log_debug("Can't copy to %s, file exists already and is of different type", i->path); | |
1086 | return 0; | |
1087 | } | |
849958d1 LP |
1088 | } |
1089 | ||
b705ab6a | 1090 | r = path_set_perms(i, i->path); |
849958d1 LP |
1091 | if (r < 0) |
1092 | return r; | |
1093 | ||
1094 | break; | |
1095 | ||
d4e9eb91 | 1096 | case WRITE_FILE: |
081043cf | 1097 | r = glob_item(i, write_one_file, false); |
f05bc3f7 MS |
1098 | if (r < 0) |
1099 | return r; | |
5008d581 | 1100 | |
3b63d2d3 LP |
1101 | break; |
1102 | ||
3b63d2d3 | 1103 | case CREATE_DIRECTORY: |
d7b8eec7 LP |
1104 | case TRUNCATE_DIRECTORY: |
1105 | case CREATE_SUBVOLUME: | |
5008d581 | 1106 | |
d7b8eec7 | 1107 | RUN_WITH_UMASK(0000) |
5c0d398d | 1108 | mkdir_parents_label(i->path, 0755); |
d7b8eec7 | 1109 | |
582deb84 ZJS |
1110 | if (i->type == CREATE_SUBVOLUME) |
1111 | RUN_WITH_UMASK((~i->mode) & 0777) { | |
d7b8eec7 | 1112 | r = btrfs_subvol_make(i->path); |
582deb84 ZJS |
1113 | log_debug_errno(r, "Creating subvolume \"%s\": %m", i->path); |
1114 | } | |
1115 | else | |
d7b8eec7 LP |
1116 | r = 0; |
1117 | ||
582deb84 | 1118 | if (IN_SET(i->type, CREATE_DIRECTORY, TRUNCATE_DIRECTORY) || r == -ENOTTY) |
d7b8eec7 LP |
1119 | RUN_WITH_UMASK(0000) |
1120 | r = mkdir_label(i->path, i->mode); | |
5008d581 | 1121 | |
e156347e | 1122 | if (r < 0) { |
f647962d | 1123 | if (r != -EEXIST) |
582deb84 | 1124 | return log_error_errno(r, "Failed to create directory or subvolume \"%s\": %m", i->path); |
5008d581 | 1125 | |
4a62c710 MS |
1126 | if (stat(i->path, &st) < 0) |
1127 | return log_error_errno(errno, "stat(%s) failed: %m", i->path); | |
5008d581 | 1128 | |
e156347e | 1129 | if (!S_ISDIR(st.st_mode)) { |
582deb84 | 1130 | log_debug("\"%s\" already exists and is not a directory.", i->path); |
e156347e LP |
1131 | return 0; |
1132 | } | |
294929f8 ZJS |
1133 | |
1134 | creation = CREATION_EXISTING; | |
1135 | } else | |
1136 | creation = CREATION_NORMAL; | |
7a7d5db7 | 1137 | log_debug("%s directory \"%s\".", creation_mode_verb_to_string(creation), i->path); |
5008d581 | 1138 | |
b705ab6a | 1139 | r = path_set_perms(i, i->path); |
f05bc3f7 MS |
1140 | if (r < 0) |
1141 | return r; | |
3b63d2d3 LP |
1142 | |
1143 | break; | |
ee17ee7c LP |
1144 | |
1145 | case CREATE_FIFO: | |
1146 | ||
5c0d398d | 1147 | RUN_WITH_UMASK(0000) { |
ecabcf8b | 1148 | mac_selinux_create_file_prepare(i->path, S_IFIFO); |
5c0d398d | 1149 | r = mkfifo(i->path, i->mode); |
ecabcf8b | 1150 | mac_selinux_create_file_clear(); |
5c0d398d | 1151 | } |
ee17ee7c | 1152 | |
1554afae | 1153 | if (r < 0) { |
4a62c710 MS |
1154 | if (errno != EEXIST) |
1155 | return log_error_errno(errno, "Failed to create fifo %s: %m", i->path); | |
ee17ee7c | 1156 | |
4a62c710 MS |
1157 | if (stat(i->path, &st) < 0) |
1158 | return log_error_errno(errno, "stat(%s) failed: %m", i->path); | |
ee17ee7c | 1159 | |
1554afae LP |
1160 | if (!S_ISFIFO(st.st_mode)) { |
1161 | ||
1162 | if (i->force) { | |
1163 | ||
1164 | RUN_WITH_UMASK(0000) { | |
ecabcf8b | 1165 | mac_selinux_create_file_prepare(i->path, S_IFIFO); |
1554afae | 1166 | r = mkfifo_atomic(i->path, i->mode); |
ecabcf8b | 1167 | mac_selinux_create_file_clear(); |
1554afae LP |
1168 | } |
1169 | ||
f647962d MS |
1170 | if (r < 0) |
1171 | return log_error_errno(r, "Failed to create fifo %s: %m", i->path); | |
294929f8 | 1172 | creation = CREATION_FORCE; |
1554afae LP |
1173 | } else { |
1174 | log_debug("%s is not a fifo.", i->path); | |
1175 | return 0; | |
1176 | } | |
294929f8 ZJS |
1177 | } else |
1178 | creation = CREATION_EXISTING; | |
1179 | } else | |
1180 | creation = CREATION_NORMAL; | |
7a7d5db7 | 1181 | log_debug("%s fifo \"%s\".", creation_mode_verb_to_string(creation), i->path); |
ee17ee7c | 1182 | |
b705ab6a | 1183 | r = path_set_perms(i, i->path); |
f05bc3f7 MS |
1184 | if (r < 0) |
1185 | return r; | |
ee17ee7c LP |
1186 | |
1187 | break; | |
a8d88783 | 1188 | |
2e78fa79 | 1189 | case CREATE_SYMLINK: |
468d726b | 1190 | |
ecabcf8b | 1191 | mac_selinux_create_file_prepare(i->path, S_IFLNK); |
468d726b | 1192 | r = symlink(i->argument, i->path); |
ecabcf8b | 1193 | mac_selinux_create_file_clear(); |
e9a5ef7c | 1194 | |
468d726b | 1195 | if (r < 0) { |
2e78fa79 | 1196 | _cleanup_free_ char *x = NULL; |
468d726b | 1197 | |
4a62c710 MS |
1198 | if (errno != EEXIST) |
1199 | return log_error_errno(errno, "symlink(%s, %s) failed: %m", i->argument, i->path); | |
2e78fa79 LP |
1200 | |
1201 | r = readlink_malloc(i->path, &x); | |
1202 | if (r < 0 || !streq(i->argument, x)) { | |
1203 | ||
1204 | if (i->force) { | |
ecabcf8b | 1205 | mac_selinux_create_file_prepare(i->path, S_IFLNK); |
2e78fa79 | 1206 | r = symlink_atomic(i->argument, i->path); |
ecabcf8b | 1207 | mac_selinux_create_file_clear(); |
2e78fa79 | 1208 | |
f647962d MS |
1209 | if (r < 0) |
1210 | return log_error_errno(r, "symlink(%s, %s) failed: %m", i->argument, i->path); | |
294929f8 | 1211 | creation = CREATION_FORCE; |
1554afae | 1212 | } else { |
582deb84 | 1213 | log_debug("\"%s\" is not a symlink or does not point to the correct path.", i->path); |
1554afae LP |
1214 | return 0; |
1215 | } | |
294929f8 ZJS |
1216 | } else |
1217 | creation = CREATION_EXISTING; | |
1218 | } else | |
1219 | creation = CREATION_NORMAL; | |
7a7d5db7 | 1220 | log_debug("%s symlink \"%s\".", creation_mode_verb_to_string(creation), i->path); |
468d726b | 1221 | |
468d726b | 1222 | break; |
468d726b LP |
1223 | |
1224 | case CREATE_BLOCK_DEVICE: | |
1225 | case CREATE_CHAR_DEVICE: { | |
cb7ed9df LP |
1226 | mode_t file_type; |
1227 | ||
1228 | if (have_effective_cap(CAP_MKNOD) == 0) { | |
1229 | /* In a container we lack CAP_MKNOD. We | |
ab06eef8 | 1230 | shouldn't attempt to create the device node in |
cb7ed9df LP |
1231 | that case to avoid noise, and we don't support |
1232 | virtualized devices in containers anyway. */ | |
1233 | ||
1234 | log_debug("We lack CAP_MKNOD, skipping creation of device node %s.", i->path); | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1554afae | 1238 | file_type = i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR; |
468d726b | 1239 | |
5c0d398d | 1240 | RUN_WITH_UMASK(0000) { |
ecabcf8b | 1241 | mac_selinux_create_file_prepare(i->path, file_type); |
5c0d398d | 1242 | r = mknod(i->path, i->mode | file_type, i->major_minor); |
ecabcf8b | 1243 | mac_selinux_create_file_clear(); |
5c0d398d | 1244 | } |
468d726b | 1245 | |
6555ad8e KS |
1246 | if (r < 0) { |
1247 | if (errno == EPERM) { | |
1248 | log_debug("We lack permissions, possibly because of cgroup configuration; " | |
1249 | "skipping creation of device node %s.", i->path); | |
1250 | return 0; | |
1251 | } | |
1252 | ||
4a62c710 MS |
1253 | if (errno != EEXIST) |
1254 | return log_error_errno(errno, "Failed to create device node %s: %m", i->path); | |
468d726b | 1255 | |
4a62c710 MS |
1256 | if (stat(i->path, &st) < 0) |
1257 | return log_error_errno(errno, "stat(%s) failed: %m", i->path); | |
468d726b | 1258 | |
1554afae LP |
1259 | if ((st.st_mode & S_IFMT) != file_type) { |
1260 | ||
1261 | if (i->force) { | |
1262 | ||
1263 | RUN_WITH_UMASK(0000) { | |
ecabcf8b | 1264 | mac_selinux_create_file_prepare(i->path, file_type); |
1554afae | 1265 | r = mknod_atomic(i->path, i->mode | file_type, i->major_minor); |
ecabcf8b | 1266 | mac_selinux_create_file_clear(); |
1554afae LP |
1267 | } |
1268 | ||
f647962d | 1269 | if (r < 0) |
294929f8 ZJS |
1270 | return log_error_errno(r, "Failed to create device node \"%s\": %m", i->path); |
1271 | creation = CREATION_FORCE; | |
1554afae LP |
1272 | } else { |
1273 | log_debug("%s is not a device node.", i->path); | |
1274 | return 0; | |
1275 | } | |
294929f8 ZJS |
1276 | } else |
1277 | creation = CREATION_EXISTING; | |
1278 | } else | |
1279 | creation = CREATION_NORMAL; | |
1280 | log_debug("%s %s device node \"%s\" %u:%u.", | |
7a7d5db7 | 1281 | creation_mode_verb_to_string(creation), |
582deb84 ZJS |
1282 | i->type == CREATE_BLOCK_DEVICE ? "block" : "char", |
1283 | i->path, major(i->mode), minor(i->mode)); | |
468d726b | 1284 | |
b705ab6a | 1285 | r = path_set_perms(i, i->path); |
468d726b LP |
1286 | if (r < 0) |
1287 | return r; | |
1288 | ||
1289 | break; | |
1290 | } | |
1291 | ||
e73a03e0 | 1292 | case ADJUST_MODE: |
777b87e7 | 1293 | case RELABEL_PATH: |
b705ab6a | 1294 | r = glob_item(i, path_set_perms, false); |
777b87e7 | 1295 | if (r < 0) |
96ca8194 | 1296 | return r; |
777b87e7 MS |
1297 | break; |
1298 | ||
a8d88783 | 1299 | case RECURSIVE_RELABEL_PATH: |
b705ab6a | 1300 | r = glob_item(i, path_set_perms, true); |
a8d88783 MS |
1301 | if (r < 0) |
1302 | return r; | |
ebf4e801 | 1303 | break; |
e73a03e0 | 1304 | |
ebf4e801 | 1305 | case SET_XATTR: |
b705ab6a ZJS |
1306 | r = glob_item(i, path_set_xattrs, false); |
1307 | if (r < 0) | |
1308 | return r; | |
1309 | break; | |
1310 | ||
1311 | case RECURSIVE_SET_XATTR: | |
1312 | r = glob_item(i, path_set_xattrs, true); | |
ebf4e801 MW |
1313 | if (r < 0) |
1314 | return r; | |
e73a03e0 | 1315 | break; |
f8eeeaf9 ZJS |
1316 | |
1317 | case SET_ACL: | |
b705ab6a | 1318 | r = glob_item(i, path_set_acls, false); |
f8eeeaf9 ZJS |
1319 | if (r < 0) |
1320 | return r; | |
b705ab6a ZJS |
1321 | break; |
1322 | ||
1323 | case RECURSIVE_SET_ACL: | |
1324 | r = glob_item(i, path_set_acls, true); | |
1325 | if (r < 0) | |
1326 | return r; | |
1327 | break; | |
22c3a6ca GB |
1328 | |
1329 | case SET_ATTRIB: | |
1330 | r = glob_item(i, path_set_attrib, false); | |
1331 | if (r < 0) | |
1332 | return r; | |
1333 | break; | |
1334 | ||
1335 | case RECURSIVE_SET_ATTRIB: | |
1336 | r = glob_item(i, path_set_attrib, true); | |
1337 | if (r < 0) | |
1338 | return r; | |
1339 | break; | |
3b63d2d3 LP |
1340 | } |
1341 | ||
f05bc3f7 | 1342 | return 0; |
3b63d2d3 LP |
1343 | } |
1344 | ||
a0896123 | 1345 | static int remove_item_instance(Item *i, const char *instance) { |
3b63d2d3 LP |
1346 | int r; |
1347 | ||
1348 | assert(i); | |
1349 | ||
1350 | switch (i->type) { | |
1351 | ||
3b63d2d3 | 1352 | case REMOVE_PATH: |
4a62c710 | 1353 | if (remove(instance) < 0 && errno != ENOENT) |
3f93da98 | 1354 | return log_error_errno(errno, "rm(%s): %m", instance); |
3b63d2d3 LP |
1355 | |
1356 | break; | |
1357 | ||
1358 | case TRUNCATE_DIRECTORY: | |
1359 | case RECURSIVE_REMOVE_PATH: | |
d139b24a LP |
1360 | /* FIXME: we probably should use dir_cleanup() here |
1361 | * instead of rm_rf() so that 'x' is honoured. */ | |
582deb84 | 1362 | log_debug("rm -rf \"%s\"", instance); |
c6878637 | 1363 | r = rm_rf(instance, (i->type == RECURSIVE_REMOVE_PATH ? REMOVE_ROOT : 0) | REMOVE_PHYSICAL); |
f647962d MS |
1364 | if (r < 0 && r != -ENOENT) |
1365 | return log_error_errno(r, "rm_rf(%s): %m", instance); | |
3b63d2d3 LP |
1366 | |
1367 | break; | |
7fcb4b9b ZJS |
1368 | |
1369 | default: | |
1370 | assert_not_reached("wut?"); | |
3b63d2d3 LP |
1371 | } |
1372 | ||
1373 | return 0; | |
1374 | } | |
1375 | ||
a0896123 | 1376 | static int remove_item(Item *i) { |
99e68c0b MS |
1377 | int r = 0; |
1378 | ||
b8bb3e8f LP |
1379 | assert(i); |
1380 | ||
582deb84 ZJS |
1381 | log_debug("Running remove action for entry %c %s", (char) i->type, i->path); |
1382 | ||
b8bb3e8f LP |
1383 | switch (i->type) { |
1384 | ||
1385 | case CREATE_FILE: | |
1386 | case TRUNCATE_FILE: | |
1387 | case CREATE_DIRECTORY: | |
d7b8eec7 | 1388 | case CREATE_SUBVOLUME: |
ee17ee7c | 1389 | case CREATE_FIFO: |
468d726b LP |
1390 | case CREATE_SYMLINK: |
1391 | case CREATE_CHAR_DEVICE: | |
1392 | case CREATE_BLOCK_DEVICE: | |
b8bb3e8f | 1393 | case IGNORE_PATH: |
78a92a5a | 1394 | case IGNORE_DIRECTORY_PATH: |
e73a03e0 | 1395 | case ADJUST_MODE: |
777b87e7 | 1396 | case RELABEL_PATH: |
a8d88783 | 1397 | case RECURSIVE_RELABEL_PATH: |
31ed59c5 | 1398 | case WRITE_FILE: |
849958d1 | 1399 | case COPY_FILES: |
ebf4e801 | 1400 | case SET_XATTR: |
b705ab6a | 1401 | case RECURSIVE_SET_XATTR: |
f8eeeaf9 | 1402 | case SET_ACL: |
b705ab6a | 1403 | case RECURSIVE_SET_ACL: |
22c3a6ca GB |
1404 | case SET_ATTRIB: |
1405 | case RECURSIVE_SET_ATTRIB: | |
b8bb3e8f LP |
1406 | break; |
1407 | ||
1408 | case REMOVE_PATH: | |
1409 | case TRUNCATE_DIRECTORY: | |
99e68c0b | 1410 | case RECURSIVE_REMOVE_PATH: |
081043cf | 1411 | r = glob_item(i, remove_item_instance, false); |
99e68c0b | 1412 | break; |
b8bb3e8f LP |
1413 | } |
1414 | ||
99e68c0b | 1415 | return r; |
b8bb3e8f LP |
1416 | } |
1417 | ||
78a92a5a | 1418 | static int clean_item_instance(Item *i, const char* instance) { |
7fd1b19b | 1419 | _cleanup_closedir_ DIR *d = NULL; |
78a92a5a MS |
1420 | struct stat s, ps; |
1421 | bool mountpoint; | |
78a92a5a | 1422 | usec_t cutoff, n; |
582deb84 | 1423 | char timestamp[FORMAT_TIMESTAMP_MAX]; |
78a92a5a MS |
1424 | |
1425 | assert(i); | |
1426 | ||
1427 | if (!i->age_set) | |
1428 | return 0; | |
1429 | ||
1430 | n = now(CLOCK_REALTIME); | |
1431 | if (n < i->age) | |
1432 | return 0; | |
1433 | ||
1434 | cutoff = n - i->age; | |
1435 | ||
df99a9ef | 1436 | d = opendir_nomod(instance); |
78a92a5a | 1437 | if (!d) { |
582deb84 ZJS |
1438 | if (errno == ENOENT || errno == ENOTDIR) { |
1439 | log_debug_errno(errno, "Directory \"%s\": %m", instance); | |
78a92a5a | 1440 | return 0; |
582deb84 | 1441 | } |
78a92a5a | 1442 | |
582deb84 | 1443 | log_error_errno(errno, "Failed to open directory %s: %m", instance); |
78a92a5a MS |
1444 | return -errno; |
1445 | } | |
1446 | ||
4a62c710 MS |
1447 | if (fstat(dirfd(d), &s) < 0) |
1448 | return log_error_errno(errno, "stat(%s) failed: %m", i->path); | |
78a92a5a MS |
1449 | |
1450 | if (!S_ISDIR(s.st_mode)) { | |
1451 | log_error("%s is not a directory.", i->path); | |
19fbec19 | 1452 | return -ENOTDIR; |
78a92a5a MS |
1453 | } |
1454 | ||
4a62c710 MS |
1455 | if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) |
1456 | return log_error_errno(errno, "stat(%s/..) failed: %m", i->path); | |
78a92a5a MS |
1457 | |
1458 | mountpoint = s.st_dev != ps.st_dev || | |
1459 | (s.st_dev == ps.st_dev && s.st_ino == ps.st_ino); | |
1460 | ||
582deb84 ZJS |
1461 | log_debug("Cleanup threshold for %s \"%s\" is %s", |
1462 | mountpoint ? "mount point" : "directory", | |
1463 | instance, | |
1464 | format_timestamp_us(timestamp, sizeof(timestamp), cutoff)); | |
1465 | ||
1466 | return dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint, | |
1467 | MAX_DEPTH, i->keep_first_level); | |
78a92a5a MS |
1468 | } |
1469 | ||
1470 | static int clean_item(Item *i) { | |
1471 | int r = 0; | |
1472 | ||
1473 | assert(i); | |
1474 | ||
582deb84 ZJS |
1475 | log_debug("Running clean action for entry %c %s", (char) i->type, i->path); |
1476 | ||
78a92a5a MS |
1477 | switch (i->type) { |
1478 | case CREATE_DIRECTORY: | |
d7b8eec7 | 1479 | case CREATE_SUBVOLUME: |
78a92a5a MS |
1480 | case TRUNCATE_DIRECTORY: |
1481 | case IGNORE_PATH: | |
849958d1 | 1482 | case COPY_FILES: |
78a92a5a MS |
1483 | clean_item_instance(i, i->path); |
1484 | break; | |
1485 | case IGNORE_DIRECTORY_PATH: | |
081043cf | 1486 | r = glob_item(i, clean_item_instance, false); |
78a92a5a MS |
1487 | break; |
1488 | default: | |
1489 | break; | |
1490 | } | |
1491 | ||
1492 | return r; | |
1493 | } | |
1494 | ||
3f93da98 ZJS |
1495 | static int process_item_array(ItemArray *array); |
1496 | ||
3b63d2d3 | 1497 | static int process_item(Item *i) { |
1e95893a | 1498 | int r, q, p, t = 0; |
9348f0e6 | 1499 | _cleanup_free_ char *prefix = NULL; |
3b63d2d3 LP |
1500 | |
1501 | assert(i); | |
1502 | ||
1910cd0e LP |
1503 | if (i->done) |
1504 | return 0; | |
1505 | ||
1506 | i->done = true; | |
1507 | ||
9348f0e6 ZJS |
1508 | prefix = malloc(strlen(i->path) + 1); |
1509 | if (!prefix) | |
1510 | return log_oom(); | |
1511 | ||
1910cd0e | 1512 | PATH_FOREACH_PREFIX(prefix, i->path) { |
3f93da98 | 1513 | ItemArray *j; |
1910cd0e LP |
1514 | |
1515 | j = hashmap_get(items, prefix); | |
1db50423 ZJS |
1516 | if (j) { |
1517 | int s; | |
1518 | ||
3f93da98 | 1519 | s = process_item_array(j); |
1db50423 ZJS |
1520 | if (s < 0 && t == 0) |
1521 | t = s; | |
1522 | } | |
1910cd0e LP |
1523 | } |
1524 | ||
3b63d2d3 | 1525 | r = arg_create ? create_item(i) : 0; |
a0896123 | 1526 | q = arg_remove ? remove_item(i) : 0; |
3b63d2d3 LP |
1527 | p = arg_clean ? clean_item(i) : 0; |
1528 | ||
1db50423 ZJS |
1529 | return t < 0 ? t : |
1530 | r < 0 ? r : | |
1531 | q < 0 ? q : | |
1532 | p; | |
3b63d2d3 LP |
1533 | } |
1534 | ||
3f93da98 ZJS |
1535 | static int process_item_array(ItemArray *array) { |
1536 | unsigned n; | |
1537 | int r = 0, k; | |
753615e8 | 1538 | |
3f93da98 ZJS |
1539 | assert(array); |
1540 | ||
1541 | for (n = 0; n < array->count; n++) { | |
1542 | k = process_item(array->items + n); | |
1543 | if (k < 0 && r == 0) | |
1544 | r = k; | |
1545 | } | |
1546 | ||
1547 | return r; | |
1548 | } | |
3b63d2d3 | 1549 | |
3f93da98 ZJS |
1550 | static void item_free_contents(Item *i) { |
1551 | assert(i); | |
3b63d2d3 | 1552 | free(i->path); |
468d726b | 1553 | free(i->argument); |
ebf4e801 | 1554 | strv_free(i->xattrs); |
f8eeeaf9 ZJS |
1555 | |
1556 | #ifdef HAVE_ACL | |
1557 | acl_free(i->acl_access); | |
1558 | acl_free(i->acl_default); | |
1559 | #endif | |
3b63d2d3 LP |
1560 | } |
1561 | ||
3f93da98 ZJS |
1562 | static void item_array_free(ItemArray *a) { |
1563 | unsigned n; | |
1564 | ||
1565 | if (!a) | |
1566 | return; | |
1567 | ||
1568 | for (n = 0; n < a->count; n++) | |
1569 | item_free_contents(a->items + n); | |
1570 | free(a->items); | |
1571 | free(a); | |
1572 | } | |
e2f2fb78 | 1573 | |
3f93da98 | 1574 | static bool item_compatible(Item *a, Item *b) { |
bfe95f35 LP |
1575 | assert(a); |
1576 | assert(b); | |
3f93da98 | 1577 | assert(streq(a->path, b->path)); |
bfe95f35 | 1578 | |
3f93da98 ZJS |
1579 | if (takes_ownership(a->type) && takes_ownership(b->type)) |
1580 | /* check if the items are the same */ | |
1581 | return streq_ptr(a->argument, b->argument) && | |
bfe95f35 | 1582 | |
3f93da98 ZJS |
1583 | a->uid_set == b->uid_set && |
1584 | a->uid == b->uid && | |
bfe95f35 | 1585 | |
3f93da98 ZJS |
1586 | a->gid_set == b->gid_set && |
1587 | a->gid == b->gid && | |
bfe95f35 | 1588 | |
3f93da98 ZJS |
1589 | a->mode_set == b->mode_set && |
1590 | a->mode == b->mode && | |
bfe95f35 | 1591 | |
3f93da98 ZJS |
1592 | a->age_set == b->age_set && |
1593 | a->age == b->age && | |
bfe95f35 | 1594 | |
3f93da98 | 1595 | a->mask_perms == b->mask_perms && |
bfe95f35 | 1596 | |
3f93da98 | 1597 | a->keep_first_level == b->keep_first_level && |
468d726b | 1598 | |
3f93da98 | 1599 | a->major_minor == b->major_minor; |
468d726b | 1600 | |
bfe95f35 LP |
1601 | return true; |
1602 | } | |
1603 | ||
a2aced4a DR |
1604 | static bool should_include_path(const char *path) { |
1605 | char **prefix; | |
1606 | ||
abef3f91 | 1607 | STRV_FOREACH(prefix, arg_exclude_prefixes) |
582deb84 ZJS |
1608 | if (path_startswith(path, *prefix)) { |
1609 | log_debug("Entry \"%s\" matches exclude prefix \"%s\", skipping.", | |
1610 | path, *prefix); | |
5c795114 | 1611 | return false; |
582deb84 | 1612 | } |
a2aced4a | 1613 | |
abef3f91 | 1614 | STRV_FOREACH(prefix, arg_include_prefixes) |
582deb84 ZJS |
1615 | if (path_startswith(path, *prefix)) { |
1616 | log_debug("Entry \"%s\" matches include prefix \"%s\".", path, *prefix); | |
a2aced4a | 1617 | return true; |
582deb84 | 1618 | } |
a2aced4a | 1619 | |
5c795114 DR |
1620 | /* no matches, so we should include this path only if we |
1621 | * have no whitelist at all */ | |
582deb84 ZJS |
1622 | if (strv_length(arg_include_prefixes) == 0) |
1623 | return true; | |
1624 | ||
1625 | log_debug("Entry \"%s\" does not match any include prefix, skipping.", path); | |
1626 | return false; | |
a2aced4a DR |
1627 | } |
1628 | ||
fba6e687 | 1629 | static int parse_line(const char *fname, unsigned line, const char *buffer) { |
1731e34a LP |
1630 | |
1631 | static const Specifier specifier_table[] = { | |
1632 | { 'm', specifier_machine_id, NULL }, | |
1633 | { 'b', specifier_boot_id, NULL }, | |
1634 | { 'H', specifier_host_name, NULL }, | |
1635 | { 'v', specifier_kernel_release, NULL }, | |
1636 | {} | |
1637 | }; | |
1638 | ||
cde684a2 | 1639 | _cleanup_free_ char *action = NULL, *mode = NULL, *user = NULL, *group = NULL, *age = NULL, *path = NULL; |
3f93da98 ZJS |
1640 | _cleanup_(item_free_contents) Item i = {}; |
1641 | ItemArray *existing; | |
bfe95f35 | 1642 | Hashmap *h; |
657cf7f4 | 1643 | int r, pos; |
5f255144 | 1644 | bool force = false, boot = false; |
3b63d2d3 LP |
1645 | |
1646 | assert(fname); | |
1647 | assert(line >= 1); | |
1648 | assert(buffer); | |
1649 | ||
4034a06d LP |
1650 | r = unquote_many_words( |
1651 | &buffer, | |
1652 | 0, | |
1653 | &action, | |
1654 | &path, | |
1655 | &mode, | |
1656 | &user, | |
1657 | &group, | |
1658 | &age, | |
1659 | NULL); | |
657cf7f4 | 1660 | if (r < 0) |
1661 | return log_error_errno(r, "[%s:%u] Failed to parse line: %m", fname, line); | |
1662 | else if (r < 2) { | |
3b63d2d3 | 1663 | log_error("[%s:%u] Syntax error.", fname, line); |
7f2c1f4d | 1664 | return -EIO; |
5008d581 LP |
1665 | } |
1666 | ||
4034a06d LP |
1667 | if (!isempty(buffer)) { |
1668 | i.argument = strdup(buffer); | |
1669 | if (!i.argument) | |
1670 | return log_oom(); | |
1671 | } | |
1672 | ||
2e78fa79 LP |
1673 | if (isempty(action)) { |
1674 | log_error("[%s:%u] Command too short '%s'.", fname, line, action); | |
c4708f13 | 1675 | return -EINVAL; |
2e78fa79 LP |
1676 | } |
1677 | ||
5f255144 ZJS |
1678 | for (pos = 1; action[pos]; pos++) { |
1679 | if (action[pos] == '!' && !boot) | |
1680 | boot = true; | |
1681 | else if (action[pos] == '+' && !force) | |
1682 | force = true; | |
1683 | else { | |
1684 | log_error("[%s:%u] Unknown modifiers in command '%s'", | |
1685 | fname, line, action); | |
1686 | return -EINVAL; | |
1687 | } | |
2e78fa79 LP |
1688 | } |
1689 | ||
582deb84 ZJS |
1690 | if (boot && !arg_boot) { |
1691 | log_debug("Ignoring entry %s \"%s\" because --boot is not specified.", | |
1692 | action, path); | |
c4708f13 | 1693 | return 0; |
582deb84 | 1694 | } |
c4708f13 | 1695 | |
3f93da98 ZJS |
1696 | i.type = action[0]; |
1697 | i.force = force; | |
2e78fa79 | 1698 | |
3f93da98 | 1699 | r = specifier_printf(path, specifier_table, NULL, &i.path); |
1731e34a LP |
1700 | if (r < 0) { |
1701 | log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, path); | |
1702 | return r; | |
1703 | } | |
1704 | ||
3f93da98 | 1705 | switch (i.type) { |
468d726b | 1706 | |
777b87e7 MS |
1707 | case CREATE_FILE: |
1708 | case TRUNCATE_FILE: | |
1709 | case CREATE_DIRECTORY: | |
d7b8eec7 | 1710 | case CREATE_SUBVOLUME: |
777b87e7 MS |
1711 | case TRUNCATE_DIRECTORY: |
1712 | case CREATE_FIFO: | |
1713 | case IGNORE_PATH: | |
78a92a5a | 1714 | case IGNORE_DIRECTORY_PATH: |
777b87e7 MS |
1715 | case REMOVE_PATH: |
1716 | case RECURSIVE_REMOVE_PATH: | |
e73a03e0 | 1717 | case ADJUST_MODE: |
777b87e7 MS |
1718 | case RELABEL_PATH: |
1719 | case RECURSIVE_RELABEL_PATH: | |
1720 | break; | |
468d726b LP |
1721 | |
1722 | case CREATE_SYMLINK: | |
3f93da98 ZJS |
1723 | if (!i.argument) { |
1724 | i.argument = strappend("/usr/share/factory/", i.path); | |
1725 | if (!i.argument) | |
2f3b873a | 1726 | return log_oom(); |
468d726b LP |
1727 | } |
1728 | break; | |
1729 | ||
31ed59c5 | 1730 | case WRITE_FILE: |
3f93da98 | 1731 | if (!i.argument) { |
31ed59c5 | 1732 | log_error("[%s:%u] Write file requires argument.", fname, line); |
7f2c1f4d | 1733 | return -EBADMSG; |
31ed59c5 LP |
1734 | } |
1735 | break; | |
1736 | ||
849958d1 | 1737 | case COPY_FILES: |
3f93da98 ZJS |
1738 | if (!i.argument) { |
1739 | i.argument = strappend("/usr/share/factory/", i.path); | |
1740 | if (!i.argument) | |
2f3b873a | 1741 | return log_oom(); |
3f93da98 | 1742 | } else if (!path_is_absolute(i.argument)) { |
849958d1 LP |
1743 | log_error("[%s:%u] Source path is not absolute.", fname, line); |
1744 | return -EBADMSG; | |
1745 | } | |
1746 | ||
3f93da98 | 1747 | path_kill_slashes(i.argument); |
849958d1 LP |
1748 | break; |
1749 | ||
468d726b LP |
1750 | case CREATE_CHAR_DEVICE: |
1751 | case CREATE_BLOCK_DEVICE: { | |
1752 | unsigned major, minor; | |
1753 | ||
3f93da98 | 1754 | if (!i.argument) { |
468d726b | 1755 | log_error("[%s:%u] Device file requires argument.", fname, line); |
7f2c1f4d | 1756 | return -EBADMSG; |
468d726b LP |
1757 | } |
1758 | ||
3f93da98 ZJS |
1759 | if (sscanf(i.argument, "%u:%u", &major, &minor) != 2) { |
1760 | log_error("[%s:%u] Can't parse device file major/minor '%s'.", fname, line, i.argument); | |
7f2c1f4d | 1761 | return -EBADMSG; |
468d726b LP |
1762 | } |
1763 | ||
3f93da98 | 1764 | i.major_minor = makedev(major, minor); |
468d726b LP |
1765 | break; |
1766 | } | |
1767 | ||
ebf4e801 | 1768 | case SET_XATTR: |
b705ab6a | 1769 | case RECURSIVE_SET_XATTR: |
3f93da98 | 1770 | if (!i.argument) { |
ebf4e801 MW |
1771 | log_error("[%s:%u] Set extended attribute requires argument.", fname, line); |
1772 | return -EBADMSG; | |
1773 | } | |
3f93da98 | 1774 | r = get_xattrs_from_arg(&i); |
ebf4e801 MW |
1775 | if (r < 0) |
1776 | return r; | |
1777 | break; | |
1778 | ||
f8eeeaf9 | 1779 | case SET_ACL: |
b705ab6a | 1780 | case RECURSIVE_SET_ACL: |
f8eeeaf9 ZJS |
1781 | if (!i.argument) { |
1782 | log_error("[%s:%u] Set ACLs requires argument.", fname, line); | |
1783 | return -EBADMSG; | |
1784 | } | |
1785 | r = get_acls_from_arg(&i); | |
1786 | if (r < 0) | |
1787 | return r; | |
1788 | break; | |
1789 | ||
22c3a6ca GB |
1790 | case SET_ATTRIB: |
1791 | case RECURSIVE_SET_ATTRIB: | |
1792 | if (!i.argument) { | |
1793 | log_error("[%s:%u] Set attrib requires argument.", fname, line); | |
1794 | return -EBADMSG; | |
1795 | } | |
1796 | r = get_attrib_from_arg(&i); | |
1797 | if (r < 0) | |
1798 | return r; | |
1799 | break; | |
1800 | ||
777b87e7 | 1801 | default: |
582deb84 | 1802 | log_error("[%s:%u] Unknown command type '%c'.", fname, line, (char) i.type); |
7f2c1f4d | 1803 | return -EBADMSG; |
3b63d2d3 | 1804 | } |
468d726b | 1805 | |
3f93da98 ZJS |
1806 | if (!path_is_absolute(i.path)) { |
1807 | log_error("[%s:%u] Path '%s' not absolute.", fname, line, i.path); | |
7f2c1f4d | 1808 | return -EBADMSG; |
3b63d2d3 LP |
1809 | } |
1810 | ||
3f93da98 | 1811 | path_kill_slashes(i.path); |
3b63d2d3 | 1812 | |
3f93da98 | 1813 | if (!should_include_path(i.path)) |
7f2c1f4d | 1814 | return 0; |
5008d581 | 1815 | |
cf9a4abd | 1816 | if (arg_root) { |
cde684a2 LP |
1817 | char *p; |
1818 | ||
3f93da98 | 1819 | p = strappend(arg_root, i.path); |
cf9a4abd MM |
1820 | if (!p) |
1821 | return log_oom(); | |
1822 | ||
3f93da98 ZJS |
1823 | free(i.path); |
1824 | i.path = p; | |
cf9a4abd MM |
1825 | } |
1826 | ||
3b63d2d3 | 1827 | if (user && !streq(user, "-")) { |
4b67834e LP |
1828 | const char *u = user; |
1829 | ||
3f93da98 | 1830 | r = get_user_creds(&u, &i.uid, NULL, NULL, NULL); |
4b67834e | 1831 | if (r < 0) { |
3b63d2d3 | 1832 | log_error("[%s:%u] Unknown user '%s'.", fname, line, user); |
7f2c1f4d | 1833 | return r; |
3b63d2d3 LP |
1834 | } |
1835 | ||
3f93da98 | 1836 | i.uid_set = true; |
3b63d2d3 LP |
1837 | } |
1838 | ||
1839 | if (group && !streq(group, "-")) { | |
4b67834e LP |
1840 | const char *g = group; |
1841 | ||
3f93da98 | 1842 | r = get_group_creds(&g, &i.gid); |
4b67834e | 1843 | if (r < 0) { |
3b63d2d3 | 1844 | log_error("[%s:%u] Unknown group '%s'.", fname, line, group); |
7f2c1f4d | 1845 | return r; |
3b63d2d3 LP |
1846 | } |
1847 | ||
3f93da98 | 1848 | i.gid_set = true; |
3b63d2d3 LP |
1849 | } |
1850 | ||
1851 | if (mode && !streq(mode, "-")) { | |
abef3f91 | 1852 | const char *mm = mode; |
3b63d2d3 LP |
1853 | unsigned m; |
1854 | ||
abef3f91 | 1855 | if (*mm == '~') { |
3f93da98 | 1856 | i.mask_perms = true; |
abef3f91 LP |
1857 | mm++; |
1858 | } | |
1859 | ||
1860 | if (sscanf(mm, "%o", &m) != 1) { | |
3b63d2d3 | 1861 | log_error("[%s:%u] Invalid mode '%s'.", fname, line, mode); |
7f2c1f4d | 1862 | return -ENOENT; |
3b63d2d3 LP |
1863 | } |
1864 | ||
3f93da98 ZJS |
1865 | i.mode = m; |
1866 | i.mode_set = true; | |
3b63d2d3 | 1867 | } else |
3f93da98 ZJS |
1868 | i.mode = IN_SET(i.type, CREATE_DIRECTORY, CREATE_SUBVOLUME, TRUNCATE_DIRECTORY) |
1869 | ? 0755 : 0644; | |
3b63d2d3 LP |
1870 | |
1871 | if (age && !streq(age, "-")) { | |
24f3a374 LP |
1872 | const char *a = age; |
1873 | ||
1874 | if (*a == '~') { | |
3f93da98 | 1875 | i.keep_first_level = true; |
24f3a374 LP |
1876 | a++; |
1877 | } | |
1878 | ||
3f93da98 | 1879 | if (parse_sec(a, &i.age) < 0) { |
3b63d2d3 | 1880 | log_error("[%s:%u] Invalid age '%s'.", fname, line, age); |
7f2c1f4d | 1881 | return -EBADMSG; |
3b63d2d3 LP |
1882 | } |
1883 | ||
3f93da98 | 1884 | i.age_set = true; |
3b63d2d3 LP |
1885 | } |
1886 | ||
3f93da98 | 1887 | h = needs_glob(i.type) ? globs : items; |
bfe95f35 | 1888 | |
3f93da98 | 1889 | existing = hashmap_get(h, i.path); |
468d726b | 1890 | if (existing) { |
3f93da98 ZJS |
1891 | unsigned n; |
1892 | ||
1893 | for (n = 0; n < existing->count; n++) { | |
6487ada8 | 1894 | if (!item_compatible(existing->items + n, &i)) { |
505ef0e3 | 1895 | log_warning("[%s:%u] Duplicate line for path \"%s\", ignoring.", |
3f93da98 | 1896 | fname, line, i.path); |
6487ada8 MP |
1897 | return 0; |
1898 | } | |
ebf4e801 MW |
1899 | } |
1900 | } else { | |
3f93da98 ZJS |
1901 | existing = new0(ItemArray, 1); |
1902 | r = hashmap_put(h, i.path, existing); | |
1903 | if (r < 0) | |
1904 | return log_oom(); | |
bfe95f35 LP |
1905 | } |
1906 | ||
3f93da98 ZJS |
1907 | if (!GREEDY_REALLOC(existing->items, existing->size, existing->count + 1)) |
1908 | return log_oom(); | |
5008d581 | 1909 | |
3f93da98 ZJS |
1910 | memcpy(existing->items + existing->count++, &i, sizeof(i)); |
1911 | zero(i); | |
7f2c1f4d | 1912 | return 0; |
5008d581 LP |
1913 | } |
1914 | ||
601185b4 | 1915 | static void help(void) { |
522d4a49 LP |
1916 | printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n" |
1917 | "Creates, deletes and cleans up volatile and temporary files and directories.\n\n" | |
5c795114 | 1918 | " -h --help Show this help\n" |
eb9da376 | 1919 | " --version Show package version\n" |
5c795114 DR |
1920 | " --create Create marked files/directories\n" |
1921 | " --clean Clean up marked directories\n" | |
1922 | " --remove Remove marked files/directories\n" | |
81815651 | 1923 | " --boot Execute actions only safe at boot\n" |
79ca888f ZJS |
1924 | " --prefix=PATH Only apply rules with the specified prefix\n" |
1925 | " --exclude-prefix=PATH Ignore rules with the specified prefix\n" | |
cf9a4abd | 1926 | " --root=PATH Operate on an alternate filesystem root\n", |
3b63d2d3 | 1927 | program_invocation_short_name); |
3b63d2d3 LP |
1928 | } |
1929 | ||
1930 | static int parse_argv(int argc, char *argv[]) { | |
1931 | ||
1932 | enum { | |
eb9da376 | 1933 | ARG_VERSION = 0x100, |
3b63d2d3 LP |
1934 | ARG_CREATE, |
1935 | ARG_CLEAN, | |
fba6e687 | 1936 | ARG_REMOVE, |
81815651 | 1937 | ARG_BOOT, |
5c795114 DR |
1938 | ARG_PREFIX, |
1939 | ARG_EXCLUDE_PREFIX, | |
cf9a4abd | 1940 | ARG_ROOT, |
3b63d2d3 LP |
1941 | }; |
1942 | ||
1943 | static const struct option options[] = { | |
5c795114 | 1944 | { "help", no_argument, NULL, 'h' }, |
eb9da376 | 1945 | { "version", no_argument, NULL, ARG_VERSION }, |
5c795114 DR |
1946 | { "create", no_argument, NULL, ARG_CREATE }, |
1947 | { "clean", no_argument, NULL, ARG_CLEAN }, | |
1948 | { "remove", no_argument, NULL, ARG_REMOVE }, | |
81815651 | 1949 | { "boot", no_argument, NULL, ARG_BOOT }, |
5c795114 DR |
1950 | { "prefix", required_argument, NULL, ARG_PREFIX }, |
1951 | { "exclude-prefix", required_argument, NULL, ARG_EXCLUDE_PREFIX }, | |
cf9a4abd | 1952 | { "root", required_argument, NULL, ARG_ROOT }, |
eb9da376 | 1953 | {} |
3b63d2d3 LP |
1954 | }; |
1955 | ||
1956 | int c; | |
1957 | ||
1958 | assert(argc >= 0); | |
1959 | assert(argv); | |
1960 | ||
601185b4 | 1961 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
3b63d2d3 LP |
1962 | |
1963 | switch (c) { | |
1964 | ||
1965 | case 'h': | |
601185b4 ZJS |
1966 | help(); |
1967 | return 0; | |
eb9da376 LP |
1968 | |
1969 | case ARG_VERSION: | |
1970 | puts(PACKAGE_STRING); | |
1971 | puts(SYSTEMD_FEATURES); | |
3b63d2d3 LP |
1972 | return 0; |
1973 | ||
1974 | case ARG_CREATE: | |
1975 | arg_create = true; | |
1976 | break; | |
1977 | ||
1978 | case ARG_CLEAN: | |
1979 | arg_clean = true; | |
1980 | break; | |
1981 | ||
1982 | case ARG_REMOVE: | |
1983 | arg_remove = true; | |
1984 | break; | |
1985 | ||
81815651 ZJS |
1986 | case ARG_BOOT: |
1987 | arg_boot = true; | |
c4708f13 ZJS |
1988 | break; |
1989 | ||
fba6e687 | 1990 | case ARG_PREFIX: |
7bc040fa | 1991 | if (strv_push(&arg_include_prefixes, optarg) < 0) |
a2aced4a | 1992 | return log_oom(); |
fba6e687 LP |
1993 | break; |
1994 | ||
5c795114 | 1995 | case ARG_EXCLUDE_PREFIX: |
7bc040fa | 1996 | if (strv_push(&arg_exclude_prefixes, optarg) < 0) |
5c795114 DR |
1997 | return log_oom(); |
1998 | break; | |
1999 | ||
cf9a4abd | 2000 | case ARG_ROOT: |
753615e8 | 2001 | free(arg_root); |
cf9a4abd MM |
2002 | arg_root = path_make_absolute_cwd(optarg); |
2003 | if (!arg_root) | |
2004 | return log_oom(); | |
753615e8 | 2005 | |
cf9a4abd MM |
2006 | path_kill_slashes(arg_root); |
2007 | break; | |
2008 | ||
3b63d2d3 LP |
2009 | case '?': |
2010 | return -EINVAL; | |
2011 | ||
2012 | default: | |
eb9da376 | 2013 | assert_not_reached("Unhandled option"); |
3b63d2d3 | 2014 | } |
3b63d2d3 LP |
2015 | |
2016 | if (!arg_clean && !arg_create && !arg_remove) { | |
35b8ca3a | 2017 | log_error("You need to specify at least one of --clean, --create or --remove."); |
3b63d2d3 LP |
2018 | return -EINVAL; |
2019 | } | |
2020 | ||
2021 | return 1; | |
2022 | } | |
2023 | ||
fba6e687 | 2024 | static int read_config_file(const char *fn, bool ignore_enoent) { |
1731e34a LP |
2025 | _cleanup_fclose_ FILE *f = NULL; |
2026 | char line[LINE_MAX]; | |
78a92a5a | 2027 | Iterator iterator; |
1731e34a | 2028 | unsigned v = 0; |
78a92a5a | 2029 | Item *i; |
1731e34a | 2030 | int r; |
fba6e687 LP |
2031 | |
2032 | assert(fn); | |
2033 | ||
cf9a4abd | 2034 | r = search_and_fopen_nulstr(fn, "re", arg_root, conf_file_dirs, &f); |
fabe5c0e | 2035 | if (r < 0) { |
582deb84 ZJS |
2036 | if (ignore_enoent && r == -ENOENT) { |
2037 | log_debug_errno(r, "Failed to open \"%s\": %m", fn); | |
fba6e687 | 2038 | return 0; |
582deb84 | 2039 | } |
fba6e687 | 2040 | |
8d3d7072 | 2041 | return log_error_errno(r, "Failed to open '%s', ignoring: %m", fn); |
fba6e687 | 2042 | } |
582deb84 | 2043 | log_debug("Reading config file \"%s\".", fn); |
fba6e687 | 2044 | |
1731e34a LP |
2045 | FOREACH_LINE(line, f, break) { |
2046 | char *l; | |
fba6e687 LP |
2047 | int k; |
2048 | ||
fba6e687 LP |
2049 | v++; |
2050 | ||
2051 | l = strstrip(line); | |
2052 | if (*l == '#' || *l == 0) | |
2053 | continue; | |
2054 | ||
1731e34a LP |
2055 | k = parse_line(fn, v, l); |
2056 | if (k < 0 && r == 0) | |
2057 | r = k; | |
fba6e687 LP |
2058 | } |
2059 | ||
78a92a5a MS |
2060 | /* we have to determine age parameter for each entry of type X */ |
2061 | HASHMAP_FOREACH(i, globs, iterator) { | |
2062 | Iterator iter; | |
2063 | Item *j, *candidate_item = NULL; | |
2064 | ||
2065 | if (i->type != IGNORE_DIRECTORY_PATH) | |
2066 | continue; | |
2067 | ||
2068 | HASHMAP_FOREACH(j, items, iter) { | |
d7b8eec7 | 2069 | if (j->type != CREATE_DIRECTORY && j->type != TRUNCATE_DIRECTORY && j->type != CREATE_SUBVOLUME) |
78a92a5a MS |
2070 | continue; |
2071 | ||
2072 | if (path_equal(j->path, i->path)) { | |
2073 | candidate_item = j; | |
2074 | break; | |
2075 | } | |
2076 | ||
2077 | if ((!candidate_item && path_startswith(i->path, j->path)) || | |
2078 | (candidate_item && path_startswith(j->path, candidate_item->path) && (fnmatch(i->path, j->path, FNM_PATHNAME | FNM_PERIOD) == 0))) | |
2079 | candidate_item = j; | |
2080 | } | |
2081 | ||
9ed2a35e | 2082 | if (candidate_item && candidate_item->age_set) { |
78a92a5a MS |
2083 | i->age = candidate_item->age; |
2084 | i->age_set = true; | |
2085 | } | |
2086 | } | |
2087 | ||
fba6e687 | 2088 | if (ferror(f)) { |
56f64d95 | 2089 | log_error_errno(errno, "Failed to read from file %s: %m", fn); |
fba6e687 LP |
2090 | if (r == 0) |
2091 | r = -EIO; | |
2092 | } | |
2093 | ||
fba6e687 LP |
2094 | return r; |
2095 | } | |
2096 | ||
5008d581 | 2097 | int main(int argc, char *argv[]) { |
fabe5c0e | 2098 | int r, k; |
3f93da98 | 2099 | ItemArray *a; |
3b63d2d3 LP |
2100 | Iterator iterator; |
2101 | ||
fdcad0c2 LP |
2102 | r = parse_argv(argc, argv); |
2103 | if (r <= 0) | |
753615e8 | 2104 | goto finish; |
5008d581 | 2105 | |
eb0ca9eb | 2106 | log_set_target(LOG_TARGET_AUTO); |
5008d581 LP |
2107 | log_parse_environment(); |
2108 | log_open(); | |
2109 | ||
4c12626c LP |
2110 | umask(0022); |
2111 | ||
cc56fafe | 2112 | mac_selinux_init(NULL); |
5008d581 | 2113 | |
d5099efc MS |
2114 | items = hashmap_new(&string_hash_ops); |
2115 | globs = hashmap_new(&string_hash_ops); | |
b8bb3e8f LP |
2116 | |
2117 | if (!items || !globs) { | |
fabe5c0e | 2118 | r = log_oom(); |
3b63d2d3 LP |
2119 | goto finish; |
2120 | } | |
2121 | ||
fabe5c0e | 2122 | r = 0; |
5008d581 | 2123 | |
fba6e687 LP |
2124 | if (optind < argc) { |
2125 | int j; | |
5008d581 | 2126 | |
9125670f | 2127 | for (j = optind; j < argc; j++) { |
fabe5c0e LP |
2128 | k = read_config_file(argv[j], false); |
2129 | if (k < 0 && r == 0) | |
2130 | r = k; | |
9125670f | 2131 | } |
5008d581 | 2132 | |
fba6e687 | 2133 | } else { |
fabe5c0e LP |
2134 | _cleanup_strv_free_ char **files = NULL; |
2135 | char **f; | |
5008d581 | 2136 | |
cf9a4abd | 2137 | r = conf_files_list_nulstr(&files, ".conf", arg_root, conf_file_dirs); |
44143309 | 2138 | if (r < 0) { |
da927ba9 | 2139 | log_error_errno(r, "Failed to enumerate tmpfiles.d files: %m"); |
44143309 KS |
2140 | goto finish; |
2141 | } | |
3b63d2d3 | 2142 | |
772f8371 | 2143 | STRV_FOREACH(f, files) { |
fabe5c0e LP |
2144 | k = read_config_file(*f, true); |
2145 | if (k < 0 && r == 0) | |
2146 | r = k; | |
5008d581 | 2147 | } |
772f8371 | 2148 | } |
5008d581 | 2149 | |
3f93da98 ZJS |
2150 | HASHMAP_FOREACH(a, globs, iterator) { |
2151 | k = process_item_array(a); | |
1db50423 ZJS |
2152 | if (k < 0 && r == 0) |
2153 | r = k; | |
2154 | } | |
b8bb3e8f | 2155 | |
3f93da98 ZJS |
2156 | HASHMAP_FOREACH(a, items, iterator) { |
2157 | k = process_item_array(a); | |
1db50423 ZJS |
2158 | if (k < 0 && r == 0) |
2159 | r = k; | |
2160 | } | |
3b63d2d3 | 2161 | |
5008d581 | 2162 | finish: |
3f93da98 ZJS |
2163 | while ((a = hashmap_steal_first(items))) |
2164 | item_array_free(a); | |
3b63d2d3 | 2165 | |
3f93da98 ZJS |
2166 | while ((a = hashmap_steal_first(globs))) |
2167 | item_array_free(a); | |
17b90525 | 2168 | |
3b63d2d3 | 2169 | hashmap_free(items); |
b8bb3e8f | 2170 | hashmap_free(globs); |
5008d581 | 2171 | |
7bc040fa LP |
2172 | free(arg_include_prefixes); |
2173 | free(arg_exclude_prefixes); | |
cf9a4abd | 2174 | free(arg_root); |
a2aced4a | 2175 | |
17b90525 LP |
2176 | set_free_free(unix_sockets); |
2177 | ||
cc56fafe | 2178 | mac_selinux_finish(); |
29003cff | 2179 | |
fabe5c0e | 2180 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
5008d581 | 2181 | } |