1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering, Kay Sievers
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
37 #include <sys/types.h>
38 #include <sys/param.h>
41 #include <sys/capability.h>
48 #include "path-util.h"
52 #include "conf-files.h"
53 #include "capability.h"
54 #include "specifier.h"
56 /* This reads all files listed in /etc/tmpfiles.d/?*.conf and creates
57 * them in the file system. This is intended to be used to create
58 * properly owned directories beneath /tmp, /var/tmp, /run, which are
59 * volatile and hence need to be recreated on bootup. */
61 typedef enum ItemType {
62 /* These ones take file names */
66 CREATE_DIRECTORY = 'd',
67 TRUNCATE_DIRECTORY = 'D',
70 CREATE_CHAR_DEVICE = 'c',
71 CREATE_BLOCK_DEVICE = 'b',
74 /* These ones take globs */
76 IGNORE_DIRECTORY_PATH = 'X',
78 RECURSIVE_REMOVE_PATH = 'R',
80 RECURSIVE_RELABEL_PATH = 'Z'
100 bool keep_first_level:1;
103 static Hashmap *items = NULL, *globs = NULL;
104 static Set *unix_sockets = NULL;
106 static bool arg_create = false;
107 static bool arg_clean = false;
108 static bool arg_remove = false;
110 static char **include_prefixes = NULL;
111 static char **exclude_prefixes = NULL;
113 static const char conf_file_dirs[] =
116 "/usr/local/lib/tmpfiles.d\0"
117 "/usr/lib/tmpfiles.d\0"
118 #ifdef HAVE_SPLIT_USR
123 #define MAX_DEPTH 256
125 static bool needs_glob(ItemType t) {
126 return t == IGNORE_PATH || t == IGNORE_DIRECTORY_PATH || t == REMOVE_PATH || t == RECURSIVE_REMOVE_PATH || t == RELABEL_PATH || t == RECURSIVE_RELABEL_PATH;
129 static struct Item* find_glob(Hashmap *h, const char *match) {
133 HASHMAP_FOREACH(j, h, i)
134 if (fnmatch(j->path, match, FNM_PATHNAME|FNM_PERIOD) == 0)
140 static void load_unix_sockets(void) {
141 _cleanup_fclose_ FILE *f = NULL;
147 /* We maintain a cache of the sockets we found in
148 * /proc/net/unix to speed things up a little. */
150 unix_sockets = set_new(string_hash_func, string_compare_func);
154 f = fopen("/proc/net/unix", "re");
159 if (!fgets(line, sizeof(line), f))
166 if (!fgets(line, sizeof(line), f))
171 p = strchr(line, ':');
179 p += strspn(p, WHITESPACE);
180 p += strcspn(p, WHITESPACE); /* skip one more word */
181 p += strspn(p, WHITESPACE);
190 path_kill_slashes(s);
192 k = set_consume(unix_sockets, s);
193 if (k < 0 && k != -EEXIST)
200 set_free_free(unix_sockets);
204 static bool unix_socket_alive(const char *fn) {
210 return !!set_get(unix_sockets, (char*) fn);
212 /* We don't know, so assume yes */
216 static int dir_is_mount_point(DIR *d, const char *subdir) {
217 struct file_handle *h;
218 int mount_id_parent, mount_id;
221 h = alloca(MAX_HANDLE_SZ);
223 h->handle_bytes = MAX_HANDLE_SZ;
224 r_p = name_to_handle_at(dirfd(d), ".", h, &mount_id_parent, 0);
228 h->handle_bytes = MAX_HANDLE_SZ;
229 r = name_to_handle_at(dirfd(d), subdir, h, &mount_id, 0);
233 /* got no handle; make no assumptions, return error */
234 if (r_p < 0 && r < 0)
237 /* got both handles; if they differ, it is a mount point */
238 if (r_p >= 0 && r >= 0)
239 return mount_id_parent != mount_id;
241 /* got only one handle; assume different mount points if one
242 * of both queries was not supported by the filesystem */
243 if (r_p == -ENOSYS || r_p == -ENOTSUP || r == -ENOSYS || r == -ENOTSUP)
252 static int dir_cleanup(
256 const struct stat *ds,
261 bool keep_this_level) {
264 struct timespec times[2];
265 bool deleted = false;
268 while ((dent = readdir(d))) {
271 _cleanup_free_ char *sub_path = NULL;
273 if (streq(dent->d_name, ".") ||
274 streq(dent->d_name, ".."))
277 if (fstatat(dirfd(d), dent->d_name, &s, AT_SYMLINK_NOFOLLOW) < 0) {
281 /* FUSE, NFS mounts, SELinux might return EACCES */
283 log_debug("stat(%s/%s) failed: %m", p, dent->d_name);
285 log_error("stat(%s/%s) failed: %m", p, dent->d_name);
290 /* Stay on the same filesystem */
291 if (s.st_dev != rootdev)
294 /* Try to detect bind mounts of the same filesystem instance; they
295 * do not differ in device major/minors. This type of query is not
296 * supported on all kernels or filesystem types though. */
297 if (S_ISDIR(s.st_mode) && dir_is_mount_point(d, dent->d_name) > 0)
300 /* Do not delete read-only files owned by root */
301 if (s.st_uid == 0 && !(s.st_mode & S_IWUSR))
304 if (asprintf(&sub_path, "%s/%s", p, dent->d_name) < 0) {
309 /* Is there an item configured for this path? */
310 if (hashmap_get(items, sub_path))
313 if (find_glob(globs, sub_path))
316 if (S_ISDIR(s.st_mode)) {
319 streq(dent->d_name, "lost+found") &&
324 log_warning("Reached max depth on %s.", sub_path);
326 _cleanup_closedir_ DIR *sub_dir;
329 sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW|O_NOATIME);
330 if (sub_dir == NULL) {
331 if (errno != ENOENT) {
332 log_error("opendir(%s/%s) failed: %m", p, dent->d_name);
339 q = dir_cleanup(i, sub_path, sub_dir, &s, cutoff, rootdev, false, maxdepth-1, false);
345 /* Note: if you are wondering why we don't
346 * support the sticky bit for excluding
347 * directories from cleaning like we do it for
348 * other file system objects: well, the sticky
349 * bit already has a meaning for directories,
350 * so we don't want to overload that. */
355 /* Ignore ctime, we change it when deleting */
356 age = MAX(timespec_load(&s.st_mtim),
357 timespec_load(&s.st_atim));
361 if (i->type != IGNORE_DIRECTORY_PATH || !streq(dent->d_name, p)) {
362 log_debug("rmdir '%s'\n", sub_path);
364 if (unlinkat(dirfd(d), dent->d_name, AT_REMOVEDIR) < 0) {
365 if (errno != ENOENT && errno != ENOTEMPTY) {
366 log_error("rmdir(%s): %m", sub_path);
373 /* Skip files for which the sticky bit is
374 * set. These are semantics we define, and are
375 * unknown elsewhere. See XDG_RUNTIME_DIR
376 * specification for details. */
377 if (s.st_mode & S_ISVTX)
380 if (mountpoint && S_ISREG(s.st_mode)) {
381 if (streq(dent->d_name, ".journal") &&
385 if (streq(dent->d_name, "aquota.user") ||
386 streq(dent->d_name, "aquota.group"))
390 /* Ignore sockets that are listed in /proc/net/unix */
391 if (S_ISSOCK(s.st_mode) && unix_socket_alive(sub_path))
394 /* Ignore device nodes */
395 if (S_ISCHR(s.st_mode) || S_ISBLK(s.st_mode))
398 /* Keep files on this level around if this is
403 age = MAX3(timespec_load(&s.st_mtim),
404 timespec_load(&s.st_atim),
405 timespec_load(&s.st_ctim));
410 log_debug("unlink '%s'\n", sub_path);
412 if (unlinkat(dirfd(d), dent->d_name, 0) < 0) {
413 if (errno != ENOENT) {
414 log_error("unlink(%s): %m", sub_path);
425 /* Restore original directory timestamps */
426 times[0] = ds->st_atim;
427 times[1] = ds->st_mtim;
429 if (futimens(dirfd(d), times) < 0)
430 log_error("utimensat(%s): %m", p);
436 static int item_set_perms_full(Item *i, const char *path, bool ignore_enoent) {
439 /* not using i->path directly because it may be a glob */
441 if (chmod(path, i->mode) < 0) {
442 if (errno != ENOENT || !ignore_enoent) {
443 log_error("chmod(%s) failed: %m", path);
448 if (i->uid_set || i->gid_set)
450 i->uid_set ? i->uid : (uid_t) -1,
451 i->gid_set ? i->gid : (gid_t) -1) < 0) {
453 if (errno != ENOENT || !ignore_enoent) {
454 log_error("chown(%s) failed: %m", path);
459 r = label_fix(path, false, false);
460 return r == -ENOENT && ignore_enoent ? 0 : r;
463 static int item_set_perms(Item *i, const char *path) {
464 return item_set_perms_full(i, path, false);
467 static int write_one_file(Item *i, const char *path) {
471 flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND :
472 i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC : 0;
475 label_context_set(path, S_IFREG);
476 fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, i->mode);
478 label_context_clear();
483 if (i->type == WRITE_FILE && errno == ENOENT)
486 log_error("Failed to create file %s: %m", path);
493 _cleanup_free_ char *unescaped;
495 unescaped = cunescape(i->argument);
496 if (unescaped == NULL) {
497 close_nointr_nofail(fd);
501 l = strlen(unescaped);
502 n = write(fd, unescaped, l);
504 if (n < 0 || (size_t) n < l) {
505 log_error("Failed to write file %s: %s", path, n < 0 ? strerror(-n) : "Short write");
506 close_nointr_nofail(fd);
507 return n < 0 ? n : -EIO;
511 close_nointr_nofail(fd);
513 if (stat(path, &st) < 0) {
514 log_error("stat(%s) failed: %m", path);
518 if (!S_ISREG(st.st_mode)) {
519 log_error("%s is not a file.", path);
523 r = item_set_perms(i, path);
530 static int recursive_relabel_children(Item *i, const char *path) {
531 _cleanup_closedir_ DIR *d;
534 /* This returns the first error we run into, but nevertheless
539 return errno == ENOENT ? 0 : -errno;
543 union dirent_storage buf;
546 _cleanup_free_ char *entry_path = NULL;
548 r = readdir_r(d, &buf.de, &de);
558 if (streq(de->d_name, ".") || streq(de->d_name, ".."))
561 if (asprintf(&entry_path, "%s/%s", path, de->d_name) < 0) {
567 if (de->d_type == DT_UNKNOWN) {
570 if (lstat(entry_path, &st) < 0) {
571 if (ret == 0 && errno != ENOENT)
576 is_dir = S_ISDIR(st.st_mode);
579 is_dir = de->d_type == DT_DIR;
581 r = item_set_perms(i, entry_path);
583 if (ret == 0 && r != -ENOENT)
589 r = recursive_relabel_children(i, entry_path);
590 if (r < 0 && ret == 0)
598 static int recursive_relabel(Item *i, const char *path) {
602 r = item_set_perms(i, path);
606 if (lstat(path, &st) < 0)
609 if (S_ISDIR(st.st_mode))
610 r = recursive_relabel_children(i, path);
615 static int glob_item(Item *i, int (*action)(Item *, const char *)) {
617 _cleanup_globfree_ glob_t g = {};
621 k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
623 if (k != GLOB_NOMATCH) {
627 log_error("glob(%s) failed: %m", i->path);
631 STRV_FOREACH(fn, g.gl_pathv) {
640 static int create_item(Item *i) {
649 case IGNORE_DIRECTORY_PATH:
651 case RECURSIVE_REMOVE_PATH:
656 r = write_one_file(i, i->path);
662 r = glob_item(i, write_one_file);
669 r = item_set_perms_full(i, i->path, true);
675 case TRUNCATE_DIRECTORY:
676 case CREATE_DIRECTORY:
678 RUN_WITH_UMASK(0000) {
679 mkdir_parents_label(i->path, 0755);
680 r = mkdir(i->path, i->mode);
683 if (r < 0 && errno != EEXIST) {
684 log_error("Failed to create directory %s: %m", i->path);
688 if (stat(i->path, &st) < 0) {
689 log_error("stat(%s) failed: %m", i->path);
693 if (!S_ISDIR(st.st_mode)) {
694 log_error("%s is not a directory.", i->path);
698 r = item_set_perms(i, i->path);
706 RUN_WITH_UMASK(0000) {
707 r = mkfifo(i->path, i->mode);
710 if (r < 0 && errno != EEXIST) {
711 log_error("Failed to create fifo %s: %m", i->path);
715 if (stat(i->path, &st) < 0) {
716 log_error("stat(%s) failed: %m", i->path);
720 if (!S_ISFIFO(st.st_mode)) {
721 log_error("%s is not a fifo.", i->path);
725 r = item_set_perms(i, i->path);
731 case CREATE_SYMLINK: {
734 label_context_set(i->path, S_IFLNK);
735 r = symlink(i->argument, i->path);
737 label_context_clear();
740 if (r < 0 && errno != EEXIST) {
741 log_error("symlink(%s, %s) failed: %m", i->argument, i->path);
745 r = readlink_malloc(i->path, &x);
747 log_error("readlink(%s) failed: %s", i->path, strerror(-r));
751 if (!streq(i->argument, x)) {
753 log_error("%s is not the right symlinks.", i->path);
761 case CREATE_BLOCK_DEVICE:
762 case CREATE_CHAR_DEVICE: {
765 if (have_effective_cap(CAP_MKNOD) == 0) {
766 /* In a container we lack CAP_MKNOD. We
767 shouldn't attempt to create the device node in
768 that case to avoid noise, and we don't support
769 virtualized devices in containers anyway. */
771 log_debug("We lack CAP_MKNOD, skipping creation of device node %s.", i->path);
775 file_type = (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
777 RUN_WITH_UMASK(0000) {
778 label_context_set(i->path, file_type);
779 r = mknod(i->path, i->mode | file_type, i->major_minor);
781 label_context_clear();
785 if (r < 0 && errno != EEXIST) {
786 log_error("Failed to create device node %s: %m", i->path);
790 if (stat(i->path, &st) < 0) {
791 log_error("stat(%s) failed: %m", i->path);
795 if ((st.st_mode & S_IFMT) != file_type) {
796 log_error("%s is not a device node.", i->path);
800 r = item_set_perms(i, i->path);
809 r = glob_item(i, item_set_perms);
814 case RECURSIVE_RELABEL_PATH:
816 r = glob_item(i, recursive_relabel);
821 log_debug("%s created successfully.", i->path);
826 static int remove_item_instance(Item *i, const char *instance) {
835 case CREATE_DIRECTORY:
838 case CREATE_BLOCK_DEVICE:
839 case CREATE_CHAR_DEVICE:
841 case IGNORE_DIRECTORY_PATH:
843 case RECURSIVE_RELABEL_PATH:
849 if (remove(instance) < 0 && errno != ENOENT) {
850 log_error("remove(%s): %m", instance);
856 case TRUNCATE_DIRECTORY:
857 case RECURSIVE_REMOVE_PATH:
858 /* FIXME: we probably should use dir_cleanup() here
859 * instead of rm_rf() so that 'x' is honoured. */
860 r = rm_rf_dangerous(instance, false, i->type == RECURSIVE_REMOVE_PATH, false);
861 if (r < 0 && r != -ENOENT) {
862 log_error("rm_rf(%s): %s", instance, strerror(-r));
872 static int remove_item(Item *i) {
881 case CREATE_DIRECTORY:
884 case CREATE_CHAR_DEVICE:
885 case CREATE_BLOCK_DEVICE:
887 case IGNORE_DIRECTORY_PATH:
889 case RECURSIVE_RELABEL_PATH:
895 case TRUNCATE_DIRECTORY:
896 case RECURSIVE_REMOVE_PATH:
897 r = glob_item(i, remove_item_instance);
904 static int clean_item_instance(Item *i, const char* instance) {
905 _cleanup_closedir_ DIR *d = NULL;
916 n = now(CLOCK_REALTIME);
922 d = opendir(instance);
924 if (errno == ENOENT || errno == ENOTDIR)
927 log_error("Failed to open directory %s: %m", i->path);
931 if (fstat(dirfd(d), &s) < 0) {
932 log_error("stat(%s) failed: %m", i->path);
936 if (!S_ISDIR(s.st_mode)) {
937 log_error("%s is not a directory.", i->path);
941 if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) {
942 log_error("stat(%s/..) failed: %m", i->path);
946 mountpoint = s.st_dev != ps.st_dev ||
947 (s.st_dev == ps.st_dev && s.st_ino == ps.st_ino);
949 r = dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint,
950 MAX_DEPTH, i->keep_first_level);
954 static int clean_item(Item *i) {
960 case CREATE_DIRECTORY:
961 case TRUNCATE_DIRECTORY:
963 clean_item_instance(i, i->path);
965 case IGNORE_DIRECTORY_PATH:
966 r = glob_item(i, clean_item_instance);
975 static int process_item(Item *i) {
980 r = arg_create ? create_item(i) : 0;
981 q = arg_remove ? remove_item(i) : 0;
982 p = arg_clean ? clean_item(i) : 0;
993 static void item_free(Item *i) {
1001 DEFINE_TRIVIAL_CLEANUP_FUNC(Item*, item_free);
1002 #define _cleanup_item_free_ _cleanup_(item_freep)
1004 static bool item_equal(Item *a, Item *b) {
1008 if (!streq_ptr(a->path, b->path))
1011 if (a->type != b->type)
1014 if (a->uid_set != b->uid_set ||
1015 (a->uid_set && a->uid != b->uid))
1018 if (a->gid_set != b->gid_set ||
1019 (a->gid_set && a->gid != b->gid))
1022 if (a->mode_set != b->mode_set ||
1023 (a->mode_set && a->mode != b->mode))
1026 if (a->age_set != b->age_set ||
1027 (a->age_set && a->age != b->age))
1030 if ((a->type == CREATE_FILE ||
1031 a->type == TRUNCATE_FILE ||
1032 a->type == WRITE_FILE ||
1033 a->type == CREATE_SYMLINK) &&
1034 !streq_ptr(a->argument, b->argument))
1037 if ((a->type == CREATE_CHAR_DEVICE ||
1038 a->type == CREATE_BLOCK_DEVICE) &&
1039 a->major_minor != b->major_minor)
1045 static bool should_include_path(const char *path) {
1048 STRV_FOREACH(prefix, exclude_prefixes) {
1049 if (path_startswith(path, *prefix))
1053 STRV_FOREACH(prefix, include_prefixes) {
1054 if (path_startswith(path, *prefix))
1058 /* no matches, so we should include this path only if we
1059 * have no whitelist at all */
1060 return strv_length(include_prefixes) == 0;
1063 static int parse_line(const char *fname, unsigned line, const char *buffer) {
1065 static const Specifier specifier_table[] = {
1066 { 'm', specifier_machine_id, NULL },
1067 { 'b', specifier_boot_id, NULL },
1068 { 'H', specifier_host_name, NULL },
1069 { 'v', specifier_kernel_release, NULL },
1073 _cleanup_item_free_ Item *i = NULL;
1076 *mode = NULL, *user = NULL, *group = NULL, *age = NULL, *path = NULL;
1086 "%c %ms %ms %ms %ms %ms %n",
1095 log_error("[%s:%u] Syntax error.", fname, line);
1103 r = specifier_printf(path, specifier_table, NULL, &i->path);
1105 log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, path);
1110 n += strspn(buffer+n, WHITESPACE);
1111 if (buffer[n] != 0 && (buffer[n] != '-' || buffer[n+1] != 0)) {
1112 i->argument = unquote(buffer+n, "\"");
1122 case CREATE_DIRECTORY:
1123 case TRUNCATE_DIRECTORY:
1126 case IGNORE_DIRECTORY_PATH:
1128 case RECURSIVE_REMOVE_PATH:
1130 case RECURSIVE_RELABEL_PATH:
1134 case CREATE_SYMLINK:
1136 log_error("[%s:%u] Symlink file requires argument.", fname, line);
1143 log_error("[%s:%u] Write file requires argument.", fname, line);
1148 case CREATE_CHAR_DEVICE:
1149 case CREATE_BLOCK_DEVICE: {
1150 unsigned major, minor;
1153 log_error("[%s:%u] Device file requires argument.", fname, line);
1157 if (sscanf(i->argument, "%u:%u", &major, &minor) != 2) {
1158 log_error("[%s:%u] Can't parse device file major/minor '%s'.", fname, line, i->argument);
1162 i->major_minor = makedev(major, minor);
1167 log_error("[%s:%u] Unknown file type '%c'.", fname, line, type);
1173 if (!path_is_absolute(i->path)) {
1174 log_error("[%s:%u] Path '%s' not absolute.", fname, line, i->path);
1178 path_kill_slashes(i->path);
1180 if (!should_include_path(i->path))
1183 if (user && !streq(user, "-")) {
1184 const char *u = user;
1186 r = get_user_creds(&u, &i->uid, NULL, NULL, NULL);
1188 log_error("[%s:%u] Unknown user '%s'.", fname, line, user);
1195 if (group && !streq(group, "-")) {
1196 const char *g = group;
1198 r = get_group_creds(&g, &i->gid);
1200 log_error("[%s:%u] Unknown group '%s'.", fname, line, group);
1207 if (mode && !streq(mode, "-")) {
1210 if (sscanf(mode, "%o", &m) != 1) {
1211 log_error("[%s:%u] Invalid mode '%s'.", fname, line, mode);
1219 i->type == CREATE_DIRECTORY ||
1220 i->type == TRUNCATE_DIRECTORY ? 0755 : 0644;
1222 if (age && !streq(age, "-")) {
1223 const char *a = age;
1226 i->keep_first_level = true;
1230 if (parse_sec(a, &i->age) < 0) {
1231 log_error("[%s:%u] Invalid age '%s'.", fname, line, age);
1238 h = needs_glob(i->type) ? globs : items;
1240 existing = hashmap_get(h, i->path);
1243 /* Two identical items are fine */
1244 if (!item_equal(existing, i))
1245 log_warning("Two or more conflicting lines for %s configured, ignoring.", i->path);
1250 r = hashmap_put(h, i->path, i);
1252 log_error("Failed to insert item %s: %s", i->path, strerror(-r));
1256 i = NULL; /* avoid cleanup */
1261 static int help(void) {
1263 printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
1264 "Creates, deletes and cleans up volatile and temporary files and directories.\n\n"
1265 " -h --help Show this help\n"
1266 " --create Create marked files/directories\n"
1267 " --clean Clean up marked directories\n"
1268 " --remove Remove marked files/directories\n"
1269 " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n"
1270 " --exclude-prefix=PATH Ignore rules that apply to paths with the specified prefix\n",
1271 program_invocation_short_name);
1276 static int parse_argv(int argc, char *argv[]) {
1286 static const struct option options[] = {
1287 { "help", no_argument, NULL, 'h' },
1288 { "create", no_argument, NULL, ARG_CREATE },
1289 { "clean", no_argument, NULL, ARG_CLEAN },
1290 { "remove", no_argument, NULL, ARG_REMOVE },
1291 { "prefix", required_argument, NULL, ARG_PREFIX },
1292 { "exclude-prefix", required_argument, NULL, ARG_EXCLUDE_PREFIX },
1293 { NULL, 0, NULL, 0 }
1301 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
1322 if (strv_extend(&include_prefixes, optarg) < 0)
1326 case ARG_EXCLUDE_PREFIX:
1327 if (strv_extend(&exclude_prefixes, optarg) < 0)
1335 log_error("Unknown option code %c", c);
1340 if (!arg_clean && !arg_create && !arg_remove) {
1341 log_error("You need to specify at least one of --clean, --create or --remove.");
1348 static int read_config_file(const char *fn, bool ignore_enoent) {
1349 _cleanup_fclose_ FILE *f = NULL;
1350 char line[LINE_MAX];
1358 r = search_and_fopen_nulstr(fn, "re", conf_file_dirs, &f);
1360 if (ignore_enoent && r == -ENOENT)
1363 log_error("Failed to open '%s', ignoring: %s", fn, strerror(-r));
1367 FOREACH_LINE(line, f, break) {
1374 if (*l == '#' || *l == 0)
1377 k = parse_line(fn, v, l);
1378 if (k < 0 && r == 0)
1382 /* we have to determine age parameter for each entry of type X */
1383 HASHMAP_FOREACH(i, globs, iterator) {
1385 Item *j, *candidate_item = NULL;
1387 if (i->type != IGNORE_DIRECTORY_PATH)
1390 HASHMAP_FOREACH(j, items, iter) {
1391 if (j->type != CREATE_DIRECTORY && j->type != TRUNCATE_DIRECTORY)
1394 if (path_equal(j->path, i->path)) {
1399 if ((!candidate_item && path_startswith(i->path, j->path)) ||
1400 (candidate_item && path_startswith(j->path, candidate_item->path) && (fnmatch(i->path, j->path, FNM_PATHNAME | FNM_PERIOD) == 0)))
1404 if (candidate_item) {
1405 i->age = candidate_item->age;
1411 log_error("Failed to read from file %s: %m", fn);
1419 int main(int argc, char *argv[]) {
1424 r = parse_argv(argc, argv);
1426 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1428 log_set_target(LOG_TARGET_AUTO);
1429 log_parse_environment();
1436 items = hashmap_new(string_hash_func, string_compare_func);
1437 globs = hashmap_new(string_hash_func, string_compare_func);
1439 if (!items || !globs) {
1446 if (optind < argc) {
1449 for (j = optind; j < argc; j++) {
1450 k = read_config_file(argv[j], false);
1451 if (k < 0 && r == 0)
1456 _cleanup_strv_free_ char **files = NULL;
1459 r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
1461 log_error("Failed to enumerate tmpfiles.d files: %s", strerror(-r));
1465 STRV_FOREACH(f, files) {
1466 k = read_config_file(*f, true);
1467 if (k < 0 && r == 0)
1472 HASHMAP_FOREACH(i, globs, iterator)
1475 HASHMAP_FOREACH(i, items, iterator)
1479 while ((i = hashmap_steal_first(items)))
1482 while ((i = hashmap_steal_first(globs)))
1485 hashmap_free(items);
1486 hashmap_free(globs);
1488 strv_free(include_prefixes);
1490 set_free_free(unix_sockets);
1494 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;