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) {
473 flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND :
474 i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC : 0;
477 label_context_set(path, S_IFREG);
478 fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, i->mode);
480 label_context_clear();
485 if (i->type == WRITE_FILE && errno == ENOENT)
488 log_error("Failed to create file %s: %m", path);
495 _cleanup_free_ char *unescaped;
497 unescaped = cunescape(i->argument);
498 if (unescaped == NULL) {
499 close_nointr_nofail(fd);
503 l = strlen(unescaped);
504 n = write(fd, unescaped, l);
506 if (n < 0 || (size_t) n < l) {
507 log_error("Failed to write file %s: %s", path, n < 0 ? strerror(-n) : "Short write");
508 close_nointr_nofail(fd);
509 return n < 0 ? n : -EIO;
513 close_nointr_nofail(fd);
515 if (stat(path, &st) < 0) {
516 log_error("stat(%s) failed: %m", path);
520 if (!S_ISREG(st.st_mode)) {
521 log_error("%s is not a file.", path);
525 r = item_set_perms(i, path);
532 static int recursive_relabel_children(Item *i, const char *path) {
533 _cleanup_closedir_ DIR *d;
536 /* This returns the first error we run into, but nevertheless
541 return errno == ENOENT ? 0 : -errno;
545 union dirent_storage buf;
548 _cleanup_free_ char *entry_path = NULL;
550 r = readdir_r(d, &buf.de, &de);
560 if (streq(de->d_name, ".") || streq(de->d_name, ".."))
563 if (asprintf(&entry_path, "%s/%s", path, de->d_name) < 0) {
569 if (de->d_type == DT_UNKNOWN) {
572 if (lstat(entry_path, &st) < 0) {
573 if (ret == 0 && errno != ENOENT)
578 is_dir = S_ISDIR(st.st_mode);
581 is_dir = de->d_type == DT_DIR;
583 r = item_set_perms(i, entry_path);
585 if (ret == 0 && r != -ENOENT)
591 r = recursive_relabel_children(i, entry_path);
592 if (r < 0 && ret == 0)
600 static int recursive_relabel(Item *i, const char *path) {
604 r = item_set_perms(i, path);
608 if (lstat(path, &st) < 0)
611 if (S_ISDIR(st.st_mode))
612 r = recursive_relabel_children(i, path);
617 static int glob_item(Item *i, int (*action)(Item *, const char *)) {
619 _cleanup_globfree_ glob_t g = {};
623 k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
625 if (k != GLOB_NOMATCH) {
629 log_error("glob(%s) failed: %m", i->path);
633 STRV_FOREACH(fn, g.gl_pathv) {
642 static int create_item(Item *i) {
652 case IGNORE_DIRECTORY_PATH:
654 case RECURSIVE_REMOVE_PATH:
659 r = write_one_file(i, i->path);
665 r = glob_item(i, write_one_file);
672 r = item_set_perms_full(i, i->path, true);
678 case TRUNCATE_DIRECTORY:
679 case CREATE_DIRECTORY:
681 RUN_WITH_UMASK(0000) {
682 mkdir_parents_label(i->path, 0755);
683 r = mkdir(i->path, i->mode);
686 if (r < 0 && errno != EEXIST) {
687 log_error("Failed to create directory %s: %m", i->path);
691 if (stat(i->path, &st) < 0) {
692 log_error("stat(%s) failed: %m", i->path);
696 if (!S_ISDIR(st.st_mode)) {
697 log_error("%s is not a directory.", i->path);
701 r = item_set_perms(i, i->path);
709 RUN_WITH_UMASK(0000) {
710 r = mkfifo(i->path, i->mode);
713 if (r < 0 && errno != EEXIST) {
714 log_error("Failed to create fifo %s: %m", i->path);
718 if (stat(i->path, &st) < 0) {
719 log_error("stat(%s) failed: %m", i->path);
723 if (!S_ISFIFO(st.st_mode)) {
724 log_error("%s is not a fifo.", i->path);
728 r = item_set_perms(i, i->path);
734 case CREATE_SYMLINK: {
737 label_context_set(i->path, S_IFLNK);
738 r = symlink(i->argument, i->path);
740 label_context_clear();
743 if (r < 0 && errno != EEXIST) {
744 log_error("symlink(%s, %s) failed: %m", i->argument, i->path);
748 r = readlink_malloc(i->path, &x);
750 log_error("readlink(%s) failed: %s", i->path, strerror(-r));
754 if (!streq(i->argument, x)) {
756 log_error("%s is not the right symlinks.", i->path);
764 case CREATE_BLOCK_DEVICE:
765 case CREATE_CHAR_DEVICE: {
768 if (have_effective_cap(CAP_MKNOD) == 0) {
769 /* In a container we lack CAP_MKNOD. We
770 shouldn't attempt to create the device node in
771 that case to avoid noise, and we don't support
772 virtualized devices in containers anyway. */
774 log_debug("We lack CAP_MKNOD, skipping creation of device node %s.", i->path);
778 file_type = (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
780 RUN_WITH_UMASK(0000) {
781 label_context_set(i->path, file_type);
782 r = mknod(i->path, i->mode | file_type, i->major_minor);
784 label_context_clear();
788 if (r < 0 && errno != EEXIST) {
789 log_error("Failed to create device node %s: %m", i->path);
793 if (stat(i->path, &st) < 0) {
794 log_error("stat(%s) failed: %m", i->path);
798 if ((st.st_mode & S_IFMT) != file_type) {
799 log_error("%s is not a device node.", i->path);
803 r = item_set_perms(i, i->path);
812 r = glob_item(i, item_set_perms);
817 case RECURSIVE_RELABEL_PATH:
819 r = glob_item(i, recursive_relabel);
824 log_debug("%s created successfully.", i->path);
829 static int remove_item_instance(Item *i, const char *instance) {
838 case CREATE_DIRECTORY:
841 case CREATE_BLOCK_DEVICE:
842 case CREATE_CHAR_DEVICE:
844 case IGNORE_DIRECTORY_PATH:
846 case RECURSIVE_RELABEL_PATH:
852 if (remove(instance) < 0 && errno != ENOENT) {
853 log_error("remove(%s): %m", instance);
859 case TRUNCATE_DIRECTORY:
860 case RECURSIVE_REMOVE_PATH:
861 /* FIXME: we probably should use dir_cleanup() here
862 * instead of rm_rf() so that 'x' is honoured. */
863 r = rm_rf_dangerous(instance, false, i->type == RECURSIVE_REMOVE_PATH, false);
864 if (r < 0 && r != -ENOENT) {
865 log_error("rm_rf(%s): %s", instance, strerror(-r));
875 static int remove_item(Item *i) {
884 case CREATE_DIRECTORY:
887 case CREATE_CHAR_DEVICE:
888 case CREATE_BLOCK_DEVICE:
890 case IGNORE_DIRECTORY_PATH:
892 case RECURSIVE_RELABEL_PATH:
898 case TRUNCATE_DIRECTORY:
899 case RECURSIVE_REMOVE_PATH:
900 r = glob_item(i, remove_item_instance);
907 static int clean_item_instance(Item *i, const char* instance) {
908 _cleanup_closedir_ DIR *d = NULL;
919 n = now(CLOCK_REALTIME);
925 d = opendir(instance);
927 if (errno == ENOENT || errno == ENOTDIR)
930 log_error("Failed to open directory %s: %m", i->path);
934 if (fstat(dirfd(d), &s) < 0) {
935 log_error("stat(%s) failed: %m", i->path);
939 if (!S_ISDIR(s.st_mode)) {
940 log_error("%s is not a directory.", i->path);
944 if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) {
945 log_error("stat(%s/..) failed: %m", i->path);
949 mountpoint = s.st_dev != ps.st_dev ||
950 (s.st_dev == ps.st_dev && s.st_ino == ps.st_ino);
952 r = dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint,
953 MAX_DEPTH, i->keep_first_level);
957 static int clean_item(Item *i) {
963 case CREATE_DIRECTORY:
964 case TRUNCATE_DIRECTORY:
966 clean_item_instance(i, i->path);
968 case IGNORE_DIRECTORY_PATH:
969 r = glob_item(i, clean_item_instance);
978 static int process_item(Item *i) {
983 r = arg_create ? create_item(i) : 0;
984 q = arg_remove ? remove_item(i) : 0;
985 p = arg_clean ? clean_item(i) : 0;
996 static void item_free(Item *i) {
1004 DEFINE_TRIVIAL_CLEANUP_FUNC(Item*, item_free);
1005 #define _cleanup_item_free_ _cleanup_(item_freep)
1007 static bool item_equal(Item *a, Item *b) {
1011 if (!streq_ptr(a->path, b->path))
1014 if (a->type != b->type)
1017 if (a->uid_set != b->uid_set ||
1018 (a->uid_set && a->uid != b->uid))
1021 if (a->gid_set != b->gid_set ||
1022 (a->gid_set && a->gid != b->gid))
1025 if (a->mode_set != b->mode_set ||
1026 (a->mode_set && a->mode != b->mode))
1029 if (a->age_set != b->age_set ||
1030 (a->age_set && a->age != b->age))
1033 if ((a->type == CREATE_FILE ||
1034 a->type == TRUNCATE_FILE ||
1035 a->type == WRITE_FILE ||
1036 a->type == CREATE_SYMLINK) &&
1037 !streq_ptr(a->argument, b->argument))
1040 if ((a->type == CREATE_CHAR_DEVICE ||
1041 a->type == CREATE_BLOCK_DEVICE) &&
1042 a->major_minor != b->major_minor)
1048 static bool should_include_path(const char *path) {
1051 STRV_FOREACH(prefix, exclude_prefixes) {
1052 if (path_startswith(path, *prefix))
1056 STRV_FOREACH(prefix, include_prefixes) {
1057 if (path_startswith(path, *prefix))
1061 /* no matches, so we should include this path only if we
1062 * have no whitelist at all */
1063 return strv_length(include_prefixes) == 0;
1066 static int parse_line(const char *fname, unsigned line, const char *buffer) {
1068 static const Specifier specifier_table[] = {
1069 { 'm', specifier_machine_id, NULL },
1070 { 'b', specifier_boot_id, NULL },
1071 { 'H', specifier_host_name, NULL },
1072 { 'v', specifier_kernel_release, NULL },
1076 _cleanup_item_free_ Item *i = NULL;
1079 *mode = NULL, *user = NULL, *group = NULL, *age = NULL, *path = NULL;
1089 "%c %ms %ms %ms %ms %ms %n",
1098 log_error("[%s:%u] Syntax error.", fname, line);
1106 r = specifier_printf(path, specifier_table, NULL, &i->path);
1108 log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, path);
1113 n += strspn(buffer+n, WHITESPACE);
1114 if (buffer[n] != 0 && (buffer[n] != '-' || buffer[n+1] != 0)) {
1115 i->argument = unquote(buffer+n, "\"");
1125 case CREATE_DIRECTORY:
1126 case TRUNCATE_DIRECTORY:
1129 case IGNORE_DIRECTORY_PATH:
1131 case RECURSIVE_REMOVE_PATH:
1133 case RECURSIVE_RELABEL_PATH:
1137 case CREATE_SYMLINK:
1139 log_error("[%s:%u] Symlink file requires argument.", fname, line);
1146 log_error("[%s:%u] Write file requires argument.", fname, line);
1151 case CREATE_CHAR_DEVICE:
1152 case CREATE_BLOCK_DEVICE: {
1153 unsigned major, minor;
1156 log_error("[%s:%u] Device file requires argument.", fname, line);
1160 if (sscanf(i->argument, "%u:%u", &major, &minor) != 2) {
1161 log_error("[%s:%u] Can't parse device file major/minor '%s'.", fname, line, i->argument);
1165 i->major_minor = makedev(major, minor);
1170 log_error("[%s:%u] Unknown file type '%c'.", fname, line, type);
1176 if (!path_is_absolute(i->path)) {
1177 log_error("[%s:%u] Path '%s' not absolute.", fname, line, i->path);
1181 path_kill_slashes(i->path);
1183 if (!should_include_path(i->path))
1186 if (user && !streq(user, "-")) {
1187 const char *u = user;
1189 r = get_user_creds(&u, &i->uid, NULL, NULL, NULL);
1191 log_error("[%s:%u] Unknown user '%s'.", fname, line, user);
1198 if (group && !streq(group, "-")) {
1199 const char *g = group;
1201 r = get_group_creds(&g, &i->gid);
1203 log_error("[%s:%u] Unknown group '%s'.", fname, line, group);
1210 if (mode && !streq(mode, "-")) {
1213 if (sscanf(mode, "%o", &m) != 1) {
1214 log_error("[%s:%u] Invalid mode '%s'.", fname, line, mode);
1222 i->type == CREATE_DIRECTORY ||
1223 i->type == TRUNCATE_DIRECTORY ? 0755 : 0644;
1225 if (age && !streq(age, "-")) {
1226 const char *a = age;
1229 i->keep_first_level = true;
1233 if (parse_sec(a, &i->age) < 0) {
1234 log_error("[%s:%u] Invalid age '%s'.", fname, line, age);
1241 h = needs_glob(i->type) ? globs : items;
1243 existing = hashmap_get(h, i->path);
1246 /* Two identical items are fine */
1247 if (!item_equal(existing, i))
1248 log_warning("Two or more conflicting lines for %s configured, ignoring.", i->path);
1253 r = hashmap_put(h, i->path, i);
1255 log_error("Failed to insert item %s: %s", i->path, strerror(-r));
1259 i = NULL; /* avoid cleanup */
1264 static int help(void) {
1266 printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
1267 "Creates, deletes and cleans up volatile and temporary files and directories.\n\n"
1268 " -h --help Show this help\n"
1269 " --create Create marked files/directories\n"
1270 " --clean Clean up marked directories\n"
1271 " --remove Remove marked files/directories\n"
1272 " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n"
1273 " --exclude-prefix=PATH Ignore rules that apply to paths with the specified prefix\n",
1274 program_invocation_short_name);
1279 static int parse_argv(int argc, char *argv[]) {
1289 static const struct option options[] = {
1290 { "help", no_argument, NULL, 'h' },
1291 { "create", no_argument, NULL, ARG_CREATE },
1292 { "clean", no_argument, NULL, ARG_CLEAN },
1293 { "remove", no_argument, NULL, ARG_REMOVE },
1294 { "prefix", required_argument, NULL, ARG_PREFIX },
1295 { "exclude-prefix", required_argument, NULL, ARG_EXCLUDE_PREFIX },
1296 { NULL, 0, NULL, 0 }
1304 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
1325 if (strv_extend(&include_prefixes, optarg) < 0)
1329 case ARG_EXCLUDE_PREFIX:
1330 if (strv_extend(&exclude_prefixes, optarg) < 0)
1338 log_error("Unknown option code %c", c);
1343 if (!arg_clean && !arg_create && !arg_remove) {
1344 log_error("You need to specify at least one of --clean, --create or --remove.");
1351 static int read_config_file(const char *fn, bool ignore_enoent) {
1352 _cleanup_fclose_ FILE *f = NULL;
1353 char line[LINE_MAX];
1361 r = search_and_fopen_nulstr(fn, "re", conf_file_dirs, &f);
1363 if (ignore_enoent && r == -ENOENT)
1366 log_error("Failed to open '%s', ignoring: %s", fn, strerror(-r));
1370 FOREACH_LINE(line, f, break) {
1377 if (*l == '#' || *l == 0)
1380 k = parse_line(fn, v, l);
1381 if (k < 0 && r == 0)
1385 /* we have to determine age parameter for each entry of type X */
1386 HASHMAP_FOREACH(i, globs, iterator) {
1388 Item *j, *candidate_item = NULL;
1390 if (i->type != IGNORE_DIRECTORY_PATH)
1393 HASHMAP_FOREACH(j, items, iter) {
1394 if (j->type != CREATE_DIRECTORY && j->type != TRUNCATE_DIRECTORY)
1397 if (path_equal(j->path, i->path)) {
1402 if ((!candidate_item && path_startswith(i->path, j->path)) ||
1403 (candidate_item && path_startswith(j->path, candidate_item->path) && (fnmatch(i->path, j->path, FNM_PATHNAME | FNM_PERIOD) == 0)))
1407 if (candidate_item) {
1408 i->age = candidate_item->age;
1414 log_error("Failed to read from file %s: %m", fn);
1422 int main(int argc, char *argv[]) {
1427 r = parse_argv(argc, argv);
1429 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1431 log_set_target(LOG_TARGET_AUTO);
1432 log_parse_environment();
1439 items = hashmap_new(string_hash_func, string_compare_func);
1440 globs = hashmap_new(string_hash_func, string_compare_func);
1442 if (!items || !globs) {
1449 if (optind < argc) {
1452 for (j = optind; j < argc; j++) {
1453 k = read_config_file(argv[j], false);
1454 if (k < 0 && r == 0)
1459 _cleanup_strv_free_ char **files = NULL;
1462 r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);
1464 log_error("Failed to enumerate tmpfiles.d files: %s", strerror(-r));
1468 STRV_FOREACH(f, files) {
1469 k = read_config_file(*f, true);
1470 if (k < 0 && r == 0)
1475 HASHMAP_FOREACH(i, globs, iterator)
1478 HASHMAP_FOREACH(i, items, iterator)
1482 while ((i = hashmap_steal_first(items)))
1485 while ((i = hashmap_steal_first(globs)))
1488 hashmap_free(items);
1489 hashmap_free(globs);
1491 strv_free(include_prefixes);
1493 set_free_free(unix_sockets);
1497 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;