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) {
279 if (errno != ENOENT) {
280 log_error("stat(%s/%s) failed: %m", p, dent->d_name);
287 /* Stay on the same filesystem */
288 if (s.st_dev != rootdev)
291 /* Try to detect bind mounts of the same filesystem instance; they
292 * do not differ in device major/minors. This type of query is not
293 * supported on all kernels or filesystem types though. */
294 if (S_ISDIR(s.st_mode) && dir_is_mount_point(d, dent->d_name) > 0)
297 /* Do not delete read-only files owned by root */
298 if (s.st_uid == 0 && !(s.st_mode & S_IWUSR))
301 if (asprintf(&sub_path, "%s/%s", p, dent->d_name) < 0) {
306 /* Is there an item configured for this path? */
307 if (hashmap_get(items, sub_path))
310 if (find_glob(globs, sub_path))
313 if (S_ISDIR(s.st_mode)) {
316 streq(dent->d_name, "lost+found") &&
321 log_warning("Reached max depth on %s.", sub_path);
323 _cleanup_closedir_ DIR *sub_dir;
326 sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW|O_NOATIME);
327 if (sub_dir == NULL) {
328 if (errno != ENOENT) {
329 log_error("opendir(%s/%s) failed: %m", p, dent->d_name);
336 q = dir_cleanup(i, sub_path, sub_dir, &s, cutoff, rootdev, false, maxdepth-1, false);
342 /* Note: if you are wondering why we don't
343 * support the sticky bit for excluding
344 * directories from cleaning like we do it for
345 * other file system objects: well, the sticky
346 * bit already has a meaning for directories,
347 * so we don't want to overload that. */
352 /* Ignore ctime, we change it when deleting */
353 age = MAX(timespec_load(&s.st_mtim),
354 timespec_load(&s.st_atim));
358 if (i->type != IGNORE_DIRECTORY_PATH || !streq(dent->d_name, p)) {
359 log_debug("rmdir '%s'\n", sub_path);
361 if (unlinkat(dirfd(d), dent->d_name, AT_REMOVEDIR) < 0) {
362 if (errno != ENOENT && errno != ENOTEMPTY) {
363 log_error("rmdir(%s): %m", sub_path);
370 /* Skip files for which the sticky bit is
371 * set. These are semantics we define, and are
372 * unknown elsewhere. See XDG_RUNTIME_DIR
373 * specification for details. */
374 if (s.st_mode & S_ISVTX)
377 if (mountpoint && S_ISREG(s.st_mode)) {
378 if (streq(dent->d_name, ".journal") &&
382 if (streq(dent->d_name, "aquota.user") ||
383 streq(dent->d_name, "aquota.group"))
387 /* Ignore sockets that are listed in /proc/net/unix */
388 if (S_ISSOCK(s.st_mode) && unix_socket_alive(sub_path))
391 /* Ignore device nodes */
392 if (S_ISCHR(s.st_mode) || S_ISBLK(s.st_mode))
395 /* Keep files on this level around if this is
400 age = MAX3(timespec_load(&s.st_mtim),
401 timespec_load(&s.st_atim),
402 timespec_load(&s.st_ctim));
407 log_debug("unlink '%s'\n", sub_path);
409 if (unlinkat(dirfd(d), dent->d_name, 0) < 0) {
410 if (errno != ENOENT) {
411 log_error("unlink(%s): %m", sub_path);
422 /* Restore original directory timestamps */
423 times[0] = ds->st_atim;
424 times[1] = ds->st_mtim;
426 if (futimens(dirfd(d), times) < 0)
427 log_error("utimensat(%s): %m", p);
433 static int item_set_perms_full(Item *i, const char *path, bool ignore_enoent) {
436 /* not using i->path directly because it may be a glob */
438 if (chmod(path, i->mode) < 0) {
439 if (errno != ENOENT || !ignore_enoent) {
440 log_error("chmod(%s) failed: %m", path);
445 if (i->uid_set || i->gid_set)
447 i->uid_set ? i->uid : (uid_t) -1,
448 i->gid_set ? i->gid : (gid_t) -1) < 0) {
450 if (errno != ENOENT || !ignore_enoent) {
451 log_error("chown(%s) failed: %m", path);
456 r = label_fix(path, false, false);
457 return r == -ENOENT && ignore_enoent ? 0 : r;
460 static int item_set_perms(Item *i, const char *path) {
461 return item_set_perms_full(i, path, false);
464 static int write_one_file(Item *i, const char *path) {
468 flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND :
469 i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC : 0;
472 label_context_set(path, S_IFREG);
473 fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, i->mode);
475 label_context_clear();
480 if (i->type == WRITE_FILE && errno == ENOENT)
483 log_error("Failed to create file %s: %m", path);
490 _cleanup_free_ char *unescaped;
492 unescaped = cunescape(i->argument);
493 if (unescaped == NULL) {
494 close_nointr_nofail(fd);
498 l = strlen(unescaped);
499 n = write(fd, unescaped, l);
501 if (n < 0 || (size_t) n < l) {
502 log_error("Failed to write file %s: %s", path, n < 0 ? strerror(-n) : "Short write");
503 close_nointr_nofail(fd);
504 return n < 0 ? n : -EIO;
508 close_nointr_nofail(fd);
510 if (stat(path, &st) < 0) {
511 log_error("stat(%s) failed: %m", path);
515 if (!S_ISREG(st.st_mode)) {
516 log_error("%s is not a file.", path);
520 r = item_set_perms(i, path);
527 static int recursive_relabel_children(Item *i, const char *path) {
528 _cleanup_closedir_ DIR *d;
531 /* This returns the first error we run into, but nevertheless
536 return errno == ENOENT ? 0 : -errno;
540 union dirent_storage buf;
543 _cleanup_free_ char *entry_path = NULL;
545 r = readdir_r(d, &buf.de, &de);
555 if (streq(de->d_name, ".") || streq(de->d_name, ".."))
558 if (asprintf(&entry_path, "%s/%s", path, de->d_name) < 0) {
564 if (de->d_type == DT_UNKNOWN) {
567 if (lstat(entry_path, &st) < 0) {
568 if (ret == 0 && errno != ENOENT)
573 is_dir = S_ISDIR(st.st_mode);
576 is_dir = de->d_type == DT_DIR;
578 r = item_set_perms(i, entry_path);
580 if (ret == 0 && r != -ENOENT)
586 r = recursive_relabel_children(i, entry_path);
587 if (r < 0 && ret == 0)
595 static int recursive_relabel(Item *i, const char *path) {
599 r = item_set_perms(i, path);
603 if (lstat(path, &st) < 0)
606 if (S_ISDIR(st.st_mode))
607 r = recursive_relabel_children(i, path);
612 static int glob_item(Item *i, int (*action)(Item *, const char *)) {
614 _cleanup_globfree_ glob_t g = {};
618 k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g);
620 if (k != GLOB_NOMATCH) {
624 log_error("glob(%s) failed: %m", i->path);
628 STRV_FOREACH(fn, g.gl_pathv) {
637 static int create_item(Item *i) {
646 case IGNORE_DIRECTORY_PATH:
648 case RECURSIVE_REMOVE_PATH:
653 r = write_one_file(i, i->path);
659 r = glob_item(i, write_one_file);
666 r = item_set_perms_full(i, i->path, true);
672 case TRUNCATE_DIRECTORY:
673 case CREATE_DIRECTORY:
675 RUN_WITH_UMASK(0000) {
676 mkdir_parents_label(i->path, 0755);
677 r = mkdir(i->path, i->mode);
680 if (r < 0 && errno != EEXIST) {
681 log_error("Failed to create directory %s: %m", i->path);
685 if (stat(i->path, &st) < 0) {
686 log_error("stat(%s) failed: %m", i->path);
690 if (!S_ISDIR(st.st_mode)) {
691 log_error("%s is not a directory.", i->path);
695 r = item_set_perms(i, i->path);
703 RUN_WITH_UMASK(0000) {
704 r = mkfifo(i->path, i->mode);
707 if (r < 0 && errno != EEXIST) {
708 log_error("Failed to create fifo %s: %m", i->path);
712 if (stat(i->path, &st) < 0) {
713 log_error("stat(%s) failed: %m", i->path);
717 if (!S_ISFIFO(st.st_mode)) {
718 log_error("%s is not a fifo.", i->path);
722 r = item_set_perms(i, i->path);
728 case CREATE_SYMLINK: {
731 label_context_set(i->path, S_IFLNK);
732 r = symlink(i->argument, i->path);
734 label_context_clear();
737 if (r < 0 && errno != EEXIST) {
738 log_error("symlink(%s, %s) failed: %m", i->argument, i->path);
742 r = readlink_malloc(i->path, &x);
744 log_error("readlink(%s) failed: %s", i->path, strerror(-r));
748 if (!streq(i->argument, x)) {
750 log_error("%s is not the right symlinks.", i->path);
758 case CREATE_BLOCK_DEVICE:
759 case CREATE_CHAR_DEVICE: {
762 if (have_effective_cap(CAP_MKNOD) == 0) {
763 /* In a container we lack CAP_MKNOD. We
764 shouldn't attempt to create the device node in
765 that case to avoid noise, and we don't support
766 virtualized devices in containers anyway. */
768 log_debug("We lack CAP_MKNOD, skipping creation of device node %s.", i->path);
772 file_type = (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
774 RUN_WITH_UMASK(0000) {
775 label_context_set(i->path, file_type);
776 r = mknod(i->path, i->mode | file_type, i->major_minor);
778 label_context_clear();
782 if (r < 0 && errno != EEXIST) {
783 log_error("Failed to create device node %s: %m", i->path);
787 if (stat(i->path, &st) < 0) {
788 log_error("stat(%s) failed: %m", i->path);
792 if ((st.st_mode & S_IFMT) != file_type) {
793 log_error("%s is not a device node.", i->path);
797 r = item_set_perms(i, i->path);
806 r = glob_item(i, item_set_perms);
811 case RECURSIVE_RELABEL_PATH:
813 r = glob_item(i, recursive_relabel);
818 log_debug("%s created successfully.", i->path);
823 static int remove_item_instance(Item *i, const char *instance) {
832 case CREATE_DIRECTORY:
835 case CREATE_BLOCK_DEVICE:
836 case CREATE_CHAR_DEVICE:
838 case IGNORE_DIRECTORY_PATH:
840 case RECURSIVE_RELABEL_PATH:
846 if (remove(instance) < 0 && errno != ENOENT) {
847 log_error("remove(%s): %m", instance);
853 case TRUNCATE_DIRECTORY:
854 case RECURSIVE_REMOVE_PATH:
855 /* FIXME: we probably should use dir_cleanup() here
856 * instead of rm_rf() so that 'x' is honoured. */
857 r = rm_rf_dangerous(instance, false, i->type == RECURSIVE_REMOVE_PATH, false);
858 if (r < 0 && r != -ENOENT) {
859 log_error("rm_rf(%s): %s", instance, strerror(-r));
869 static int remove_item(Item *i) {
878 case CREATE_DIRECTORY:
881 case CREATE_CHAR_DEVICE:
882 case CREATE_BLOCK_DEVICE:
884 case IGNORE_DIRECTORY_PATH:
886 case RECURSIVE_RELABEL_PATH:
892 case TRUNCATE_DIRECTORY:
893 case RECURSIVE_REMOVE_PATH:
894 r = glob_item(i, remove_item_instance);
901 static int clean_item_instance(Item *i, const char* instance) {
902 _cleanup_closedir_ DIR *d = NULL;
913 n = now(CLOCK_REALTIME);
919 d = opendir(instance);
921 if (errno == ENOENT || errno == ENOTDIR)
924 log_error("Failed to open directory %s: %m", i->path);
928 if (fstat(dirfd(d), &s) < 0) {
929 log_error("stat(%s) failed: %m", i->path);
933 if (!S_ISDIR(s.st_mode)) {
934 log_error("%s is not a directory.", i->path);
938 if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) {
939 log_error("stat(%s/..) failed: %m", i->path);
943 mountpoint = s.st_dev != ps.st_dev ||
944 (s.st_dev == ps.st_dev && s.st_ino == ps.st_ino);
946 r = dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint,
947 MAX_DEPTH, i->keep_first_level);
951 static int clean_item(Item *i) {
957 case CREATE_DIRECTORY:
958 case TRUNCATE_DIRECTORY:
960 clean_item_instance(i, i->path);
962 case IGNORE_DIRECTORY_PATH:
963 r = glob_item(i, clean_item_instance);
972 static int process_item(Item *i) {
977 r = arg_create ? create_item(i) : 0;
978 q = arg_remove ? remove_item(i) : 0;
979 p = arg_clean ? clean_item(i) : 0;
990 static void item_free(Item *i) {
998 static inline void item_freep(Item **i) {
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;