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
7 Copyright 2015 Zbigniew Jędrzejewski-Szmek
9 systemd is free software; you can redistribute it and/or modify it
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
12 (at your option) any later version.
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
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
38 #include <sys/xattr.h>
46 #include "path-util.h"
50 #include "conf-files.h"
51 #include "capability.h"
52 #include "specifier.h"
56 #include "selinux-util.h"
57 #include "btrfs-util.h"
60 /* This reads all files listed in /etc/tmpfiles.d/?*.conf and creates
61 * them in the file system. This is intended to be used to create
62 * properly owned directories beneath /tmp, /var/tmp, /run, which are
63 * volatile and hence need to be recreated on bootup. */
65 typedef enum ItemType
{
66 /* These ones take file names */
69 CREATE_DIRECTORY
= 'd',
70 TRUNCATE_DIRECTORY
= 'D',
71 CREATE_SUBVOLUME
= 'v',
74 CREATE_CHAR_DEVICE
= 'c',
75 CREATE_BLOCK_DEVICE
= 'b',
78 /* These ones take globs */
80 RECURSIVE_SET_XATTR
= 'T',
82 RECURSIVE_SET_ACL
= 'A',
85 IGNORE_DIRECTORY_PATH
= 'X',
87 RECURSIVE_REMOVE_PATH
= 'R',
88 ADJUST_MODE
= 'm', /* legacy, 'z' is identical to this */
90 RECURSIVE_RELABEL_PATH
= 'Z',
92 RECURSIVE_SET_ATTRIBUTE
= 'H',
111 unsigned attribute_value
;
112 unsigned attribute_mask
;
119 bool attribute_set
:1;
121 bool keep_first_level
:1;
128 typedef struct ItemArray
{
134 static bool arg_create
= false;
135 static bool arg_clean
= false;
136 static bool arg_remove
= false;
137 static bool arg_boot
= false;
139 static char **arg_include_prefixes
= NULL
;
140 static char **arg_exclude_prefixes
= NULL
;
141 static char *arg_root
= NULL
;
143 static const char conf_file_dirs
[] = CONF_DIRS_NULSTR("tmpfiles");
145 #define MAX_DEPTH 256
147 static Hashmap
*items
= NULL
, *globs
= NULL
;
148 static Set
*unix_sockets
= NULL
;
150 static bool needs_glob(ItemType t
) {
154 IGNORE_DIRECTORY_PATH
,
156 RECURSIVE_REMOVE_PATH
,
159 RECURSIVE_RELABEL_PATH
,
165 RECURSIVE_SET_ATTRIBUTE
);
168 static bool takes_ownership(ItemType t
) {
182 IGNORE_DIRECTORY_PATH
,
184 RECURSIVE_REMOVE_PATH
);
187 static struct Item
* find_glob(Hashmap
*h
, const char *match
) {
191 HASHMAP_FOREACH(j
, h
, i
) {
194 for (n
= 0; n
< j
->count
; n
++) {
195 Item
*item
= j
->items
+ n
;
197 if (fnmatch(item
->path
, match
, FNM_PATHNAME
|FNM_PERIOD
) == 0)
205 static void load_unix_sockets(void) {
206 _cleanup_fclose_
FILE *f
= NULL
;
212 /* We maintain a cache of the sockets we found in
213 * /proc/net/unix to speed things up a little. */
215 unix_sockets
= set_new(&string_hash_ops
);
219 f
= fopen("/proc/net/unix", "re");
224 if (!fgets(line
, sizeof(line
), f
))
231 if (!fgets(line
, sizeof(line
), f
))
236 p
= strchr(line
, ':');
244 p
+= strspn(p
, WHITESPACE
);
245 p
+= strcspn(p
, WHITESPACE
); /* skip one more word */
246 p
+= strspn(p
, WHITESPACE
);
255 path_kill_slashes(s
);
257 k
= set_consume(unix_sockets
, s
);
258 if (k
< 0 && k
!= -EEXIST
)
265 set_free_free(unix_sockets
);
269 static bool unix_socket_alive(const char *fn
) {
275 return !!set_get(unix_sockets
, (char*) fn
);
277 /* We don't know, so assume yes */
281 static int dir_is_mount_point(DIR *d
, const char *subdir
) {
283 union file_handle_union h
= FILE_HANDLE_INIT
;
284 int mount_id_parent
, mount_id
;
287 r_p
= name_to_handle_at(dirfd(d
), ".", &h
.handle
, &mount_id_parent
, 0);
291 h
.handle
.handle_bytes
= MAX_HANDLE_SZ
;
292 r
= name_to_handle_at(dirfd(d
), subdir
, &h
.handle
, &mount_id
, 0);
296 /* got no handle; make no assumptions, return error */
297 if (r_p
< 0 && r
< 0)
300 /* got both handles; if they differ, it is a mount point */
301 if (r_p
>= 0 && r
>= 0)
302 return mount_id_parent
!= mount_id
;
304 /* got only one handle; assume different mount points if one
305 * of both queries was not supported by the filesystem */
306 if (r_p
== -ENOSYS
|| r_p
== -EOPNOTSUPP
|| r
== -ENOSYS
|| r
== -EOPNOTSUPP
)
315 static DIR* xopendirat_nomod(int dirfd
, const char *path
) {
318 dir
= xopendirat(dirfd
, path
, O_NOFOLLOW
|O_NOATIME
);
322 log_debug_errno(errno
, "Cannot open %sdirectory \"%s\": %m", dirfd
== AT_FDCWD
? "" : "sub", path
);
326 dir
= xopendirat(dirfd
, path
, O_NOFOLLOW
);
328 log_debug_errno(errno
, "Cannot open %sdirectory \"%s\": %m", dirfd
== AT_FDCWD
? "" : "sub", path
);
333 static DIR* opendir_nomod(const char *path
) {
334 return xopendirat_nomod(AT_FDCWD
, path
);
337 static int dir_cleanup(
341 const struct stat
*ds
,
346 bool keep_this_level
) {
349 struct timespec times
[2];
350 bool deleted
= false;
353 while ((dent
= readdir(d
))) {
356 _cleanup_free_
char *sub_path
= NULL
;
358 if (STR_IN_SET(dent
->d_name
, ".", ".."))
361 if (fstatat(dirfd(d
), dent
->d_name
, &s
, AT_SYMLINK_NOFOLLOW
) < 0) {
365 /* FUSE, NFS mounts, SELinux might return EACCES */
367 log_debug_errno(errno
, "stat(%s/%s) failed: %m", p
, dent
->d_name
);
369 log_error_errno(errno
, "stat(%s/%s) failed: %m", p
, dent
->d_name
);
374 /* Stay on the same filesystem */
375 if (s
.st_dev
!= rootdev
) {
376 log_debug("Ignoring \"%s/%s\": different filesystem.", p
, dent
->d_name
);
380 /* Try to detect bind mounts of the same filesystem instance; they
381 * do not differ in device major/minors. This type of query is not
382 * supported on all kernels or filesystem types though. */
383 if (S_ISDIR(s
.st_mode
) && dir_is_mount_point(d
, dent
->d_name
) > 0) {
384 log_debug("Ignoring \"%s/%s\": different mount of the same filesystem.",
389 /* Do not delete read-only files owned by root */
390 if (s
.st_uid
== 0 && !(s
.st_mode
& S_IWUSR
)) {
391 log_debug("Ignoring \"%s/%s\": read-only and owner by root.", p
, dent
->d_name
);
395 sub_path
= strjoin(p
, "/", dent
->d_name
, NULL
);
401 /* Is there an item configured for this path? */
402 if (hashmap_get(items
, sub_path
)) {
403 log_debug("Ignoring \"%s\": a separate entry exists.", sub_path
);
407 if (find_glob(globs
, sub_path
)) {
408 log_debug("Ignoring \"%s\": a separate glob exists.", sub_path
);
412 if (S_ISDIR(s
.st_mode
)) {
415 streq(dent
->d_name
, "lost+found") &&
417 log_debug("Ignoring \"%s\".", sub_path
);
422 log_warning("Reached max depth on \"%s\".", sub_path
);
424 _cleanup_closedir_
DIR *sub_dir
;
427 sub_dir
= xopendirat_nomod(dirfd(d
), dent
->d_name
);
430 r
= log_error_errno(errno
, "opendir(%s) failed: %m", sub_path
);
435 q
= dir_cleanup(i
, sub_path
, sub_dir
, &s
, cutoff
, rootdev
, false, maxdepth
-1, false);
440 /* Note: if you are wondering why we don't
441 * support the sticky bit for excluding
442 * directories from cleaning like we do it for
443 * other file system objects: well, the sticky
444 * bit already has a meaning for directories,
445 * so we don't want to overload that. */
447 if (keep_this_level
) {
448 log_debug("Keeping \"%s\".", sub_path
);
452 /* Ignore ctime, we change it when deleting */
453 age
= timespec_load(&s
.st_mtim
);
455 char a
[FORMAT_TIMESTAMP_MAX
];
456 /* Follows spelling in stat(1). */
457 log_debug("Directory \"%s\": modify time %s is too new.",
459 format_timestamp_us(a
, sizeof(a
), age
));
463 age
= timespec_load(&s
.st_atim
);
465 char a
[FORMAT_TIMESTAMP_MAX
];
466 log_debug("Directory \"%s\": access time %s is too new.",
468 format_timestamp_us(a
, sizeof(a
), age
));
472 log_debug("Removing directory \"%s\".", sub_path
);
473 if (unlinkat(dirfd(d
), dent
->d_name
, AT_REMOVEDIR
) < 0)
474 if (errno
!= ENOENT
&& errno
!= ENOTEMPTY
) {
475 log_error_errno(errno
, "rmdir(%s): %m", sub_path
);
480 /* Skip files for which the sticky bit is
481 * set. These are semantics we define, and are
482 * unknown elsewhere. See XDG_RUNTIME_DIR
483 * specification for details. */
484 if (s
.st_mode
& S_ISVTX
) {
485 log_debug("Skipping \"%s\": sticky bit set.", sub_path
);
489 if (mountpoint
&& S_ISREG(s
.st_mode
))
490 if ((streq(dent
->d_name
, ".journal") && s
.st_uid
== 0) ||
491 streq(dent
->d_name
, "aquota.user") ||
492 streq(dent
->d_name
, "aquota.group")) {
493 log_debug("Skipping \"%s\".", sub_path
);
497 /* Ignore sockets that are listed in /proc/net/unix */
498 if (S_ISSOCK(s
.st_mode
) && unix_socket_alive(sub_path
)) {
499 log_debug("Skipping \"%s\": live socket.", sub_path
);
503 /* Ignore device nodes */
504 if (S_ISCHR(s
.st_mode
) || S_ISBLK(s
.st_mode
)) {
505 log_debug("Skipping \"%s\": a device.", sub_path
);
509 /* Keep files on this level around if this is
511 if (keep_this_level
) {
512 log_debug("Keeping \"%s\".", sub_path
);
516 age
= timespec_load(&s
.st_mtim
);
518 char a
[FORMAT_TIMESTAMP_MAX
];
519 /* Follows spelling in stat(1). */
520 log_debug("File \"%s\": modify time %s is too new.",
522 format_timestamp_us(a
, sizeof(a
), age
));
526 age
= timespec_load(&s
.st_atim
);
528 char a
[FORMAT_TIMESTAMP_MAX
];
529 log_debug("File \"%s\": access time %s is too new.",
531 format_timestamp_us(a
, sizeof(a
), age
));
535 age
= timespec_load(&s
.st_ctim
);
537 char a
[FORMAT_TIMESTAMP_MAX
];
538 log_debug("File \"%s\": change time %s is too new.",
540 format_timestamp_us(a
, sizeof(a
), age
));
544 log_debug("unlink \"%s\"", sub_path
);
546 if (unlinkat(dirfd(d
), dent
->d_name
, 0) < 0)
548 r
= log_error_errno(errno
, "unlink(%s): %m", sub_path
);
557 char a
[FORMAT_TIMESTAMP_MAX
], b
[FORMAT_TIMESTAMP_MAX
];
559 /* Restore original directory timestamps */
560 times
[0] = ds
->st_atim
;
561 times
[1] = ds
->st_mtim
;
563 age1
= timespec_load(&ds
->st_atim
);
564 age2
= timespec_load(&ds
->st_mtim
);
565 log_debug("Restoring access and modification time on \"%s\": %s, %s",
567 format_timestamp_us(a
, sizeof(a
), age1
),
568 format_timestamp_us(b
, sizeof(b
), age2
));
569 if (futimens(dirfd(d
), times
) < 0)
570 log_error_errno(errno
, "utimensat(%s): %m", p
);
576 static int path_set_perms(Item
*i
, const char *path
) {
583 st_valid
= stat(path
, &st
) == 0;
585 /* not using i->path directly because it may be a glob */
589 if (i
->mask_perms
&& st_valid
) {
590 if (!(st
.st_mode
& 0111))
592 if (!(st
.st_mode
& 0222))
594 if (!(st
.st_mode
& 0444))
596 if (!S_ISDIR(st
.st_mode
))
597 m
&= ~07000; /* remove sticky/sgid/suid bit, unless directory */
600 if (st_valid
&& m
== (st
.st_mode
& 07777))
601 log_debug("\"%s\" has right mode %o", path
, st
.st_mode
);
603 log_debug("chmod \"%s\" to mode %o", path
, m
);
604 if (chmod(path
, m
) < 0)
605 return log_error_errno(errno
, "chmod(%s) failed: %m", path
);
609 if ((!st_valid
|| i
->uid
!= st
.st_uid
|| i
->gid
!= st
.st_gid
) &&
610 (i
->uid_set
|| i
->gid_set
)) {
611 log_debug("chown \"%s\" to "UID_FMT
"."GID_FMT
,
613 i
->uid_set
? i
->uid
: UID_INVALID
,
614 i
->gid_set
? i
->gid
: GID_INVALID
);
616 i
->uid_set
? i
->uid
: UID_INVALID
,
617 i
->gid_set
? i
->gid
: GID_INVALID
) < 0)
619 return log_error_errno(errno
, "chown(%s) failed: %m", path
);
622 return label_fix(path
, false, false);
625 static int get_xattrs_from_arg(Item
*i
) {
635 _cleanup_free_
char *name
= NULL
, *value
= NULL
, *xattr
= NULL
;
637 r
= unquote_first_word(&p
, &xattr
, UNQUOTE_CUNESCAPE
);
639 log_warning_errno(r
, "Failed to parse extended attribute, ignoring: %s", p
);
643 r
= split_pair(xattr
, "=", &name
, &value
);
645 log_warning_errno(r
, "Failed to parse extended attribute, ignoring: %s", xattr
);
649 if (isempty(name
) || isempty(value
)) {
650 log_warning("Malformed xattr found, ignoring: %s", xattr
);
654 if (strv_push_pair(&i
->xattrs
, name
, value
) < 0)
663 static int path_set_xattrs(Item
*i
, const char *path
) {
664 char **name
, **value
;
669 STRV_FOREACH_PAIR(name
, value
, i
->xattrs
) {
673 log_debug("\"%s\": setting xattr \"%s=%s\"", path
, *name
, *value
);
674 if (lsetxattr(path
, *name
, *value
, n
, 0) < 0) {
675 log_error("Setting extended attribute %s=%s on %s failed: %m",
676 *name
, *value
, path
);
683 static int get_acls_from_arg(Item
*item
) {
689 /* If force (= modify) is set, we will not modify the acl
690 * afterwards, so the mask can be added now if necessary. */
691 r
= parse_acl(item
->argument
, &item
->acl_access
, &item
->acl_default
, !item
->force
);
693 log_warning_errno(r
, "Failed to parse ACL \"%s\": %m. Ignoring", item
->argument
);
695 log_warning_errno(ENOSYS
, "ACLs are not supported. Ignoring");
702 static int path_set_acl(const char *path
, acl_type_t type
, acl_t acl
, bool modify
) {
703 _cleanup_(acl_freep
) acl_t dup
= NULL
;
705 _cleanup_(acl_free_charpp
) char *t
= NULL
;
707 /* Returns 0 for success, positive error if already warned,
708 * negative error otherwise. */
711 r
= acls_for_file(path
, type
, acl
, &dup
);
715 r
= calc_acl_mask_if_needed(&dup
);
723 /* the mask was already added earlier if needed */
726 r
= add_base_acls_if_needed(&dup
, path
);
730 t
= acl_to_any_text(dup
, NULL
, ',', TEXT_ABBREVIATE
);
731 log_debug("\"%s\": setting %s ACL \"%s\"", path
,
732 type
== ACL_TYPE_ACCESS
? "access" : "default",
735 r
= acl_set_file(path
, type
, dup
);
737 return log_error_errno(errno
,
738 "Setting %s ACL \"%s\" on %s failed: %m",
739 type
== ACL_TYPE_ACCESS
? "access" : "default",
746 static int path_set_acls(Item
*item
, const char *path
) {
752 if (item
->acl_access
)
753 r
= path_set_acl(path
, ACL_TYPE_ACCESS
, item
->acl_access
, item
->force
);
755 if (r
== 0 && item
->acl_default
)
756 r
= path_set_acl(path
, ACL_TYPE_DEFAULT
, item
->acl_default
, item
->force
);
759 return -r
; /* already warned */
760 else if (r
== -EOPNOTSUPP
) {
761 log_debug_errno(r
, "ACLs not supported by file system at %s", path
);
764 log_error_errno(r
, "ACL operation on \"%s\" failed: %m", path
);
769 #define ATTRIBUTES_ALL \
778 FS_JOURNAL_DATA_FL | \
785 static int get_attribute_from_arg(Item
*item
) {
787 static const struct {
791 { 'A', FS_NOATIME_FL
}, /* do not update atime */
792 { 'S', FS_SYNC_FL
}, /* Synchronous updates */
793 { 'D', FS_DIRSYNC_FL
}, /* dirsync behaviour (directories only) */
794 { 'a', FS_APPEND_FL
}, /* writes to file may only append */
795 { 'c', FS_COMPR_FL
}, /* Compress file */
796 { 'd', FS_NODUMP_FL
}, /* do not dump file */
797 { 'e', FS_EXTENT_FL
}, /* Top of directory hierarchies*/
798 { 'i', FS_IMMUTABLE_FL
}, /* Immutable file */
799 { 'j', FS_JOURNAL_DATA_FL
}, /* Reserved for ext3 */
800 { 's', FS_SECRM_FL
}, /* Secure deletion */
801 { 'u', FS_UNRM_FL
}, /* Undelete */
802 { 't', FS_NOTAIL_FL
}, /* file tail should not be merged */
803 { 'T', FS_TOPDIR_FL
}, /* Top of directory hierarchies*/
804 { 'C', FS_NOCOW_FL
}, /* Do not cow file */
813 unsigned value
= 0, mask
= 0;
823 } else if (*p
== '-') {
826 } else if (*p
== '=') {
832 if (isempty(p
) && mode
!= MODE_SET
) {
833 log_error("Setting file attribute on '%s' needs an attribute specification.", item
->path
);
837 for (; p
&& *p
; p
++) {
840 for (i
= 0; i
< ELEMENTSOF(attributes
); i
++)
841 if (*p
== attributes
[i
].character
)
844 if (i
>= ELEMENTSOF(attributes
)) {
845 log_error("Unknown file attribute '%c' on '%s'.", *p
, item
->path
);
849 v
= attributes
[i
].value
;
851 if (mode
== MODE_ADD
|| mode
== MODE_SET
)
859 if (mode
== MODE_SET
)
860 mask
|= ATTRIBUTES_ALL
;
864 item
->attribute_mask
= mask
;
865 item
->attribute_value
= value
;
866 item
->attribute_set
= true;
871 static int path_set_attribute(Item
*item
, const char *path
) {
872 _cleanup_close_
int fd
= -1;
877 if (!item
->attribute_set
|| item
->attribute_mask
== 0)
880 fd
= open(path
, O_RDONLY
|O_NONBLOCK
|O_CLOEXEC
);
882 return log_error_errno(errno
, "Cannot open '%s': %m", path
);
884 if (fstat(fd
, &st
) < 0)
885 return log_error_errno(errno
, "Cannot stat '%s': %m", path
);
887 /* Issuing the file attribute ioctls on device nodes is not
888 * safe, as that will be delivered to the drivers, not the
889 * file system containing the device node. */
890 if (!S_ISREG(st
.st_mode
) && !S_ISDIR(st
.st_mode
)) {
891 log_error("Setting file flags is only supported on regular files and directories, cannot set on '%s'.", path
);
895 f
= item
->attribute_value
& item
->attribute_mask
;
897 /* Mask away directory-specific flags */
898 if (!S_ISDIR(st
.st_mode
))
901 r
= chattr_fd(fd
, f
, item
->attribute_mask
);
903 return log_error_errno(r
,
904 "Cannot set file attribute for '%s', value=0x%08x, mask=0x%08x: %m",
905 path
, item
->attribute_value
, item
->attribute_mask
);
910 static int write_one_file(Item
*i
, const char *path
) {
911 _cleanup_close_
int fd
= -1;
918 flags
= i
->type
== CREATE_FILE
? O_CREAT
|O_APPEND
|O_NOFOLLOW
:
919 i
->type
== TRUNCATE_FILE
? O_CREAT
|O_TRUNC
|O_NOFOLLOW
: 0;
921 RUN_WITH_UMASK(0000) {
922 mac_selinux_create_file_prepare(path
, S_IFREG
);
923 fd
= open(path
, flags
|O_NDELAY
|O_CLOEXEC
|O_WRONLY
|O_NOCTTY
, i
->mode
);
924 mac_selinux_create_file_clear();
928 if (i
->type
== WRITE_FILE
&& errno
== ENOENT
) {
929 log_debug_errno(errno
, "Not writing \"%s\": %m", path
);
933 log_error_errno(errno
, "Failed to create file %s: %m", path
);
938 _cleanup_free_
char *unescaped
= NULL
;
940 log_debug("%s to \"%s\".", i
->type
== CREATE_FILE
? "Appending" : "Writing", path
);
942 r
= cunescape(i
->argument
, 0, &unescaped
);
944 return log_error_errno(r
, "Failed to unescape parameter to write: %s", i
->argument
);
946 r
= loop_write(fd
, unescaped
, strlen(unescaped
), false);
948 return log_error_errno(r
, "Failed to write file \"%s\": %m", path
);
950 log_debug("\"%s\" has been created.", path
);
954 if (stat(path
, &st
) < 0)
955 return log_error_errno(errno
, "stat(%s) failed: %m", path
);
957 if (!S_ISREG(st
.st_mode
)) {
958 log_error("%s is not a file.", path
);
962 r
= path_set_perms(i
, path
);
969 typedef int (*action_t
)(Item
*, const char *);
971 static int item_do_children(Item
*i
, const char *path
, action_t action
) {
972 _cleanup_closedir_
DIR *d
;
978 /* This returns the first error we run into, but nevertheless
981 d
= opendir_nomod(path
);
983 return errno
== ENOENT
|| errno
== ENOTDIR
? 0 : -errno
;
986 _cleanup_free_
char *p
= NULL
;
993 if (errno
!= 0 && r
== 0)
999 if (STR_IN_SET(de
->d_name
, ".", ".."))
1002 p
= strjoin(path
, "/", de
->d_name
, NULL
);
1007 if (q
< 0 && q
!= -ENOENT
&& r
== 0)
1010 if (IN_SET(de
->d_type
, DT_UNKNOWN
, DT_DIR
)) {
1011 q
= item_do_children(i
, p
, action
);
1012 if (q
< 0 && r
== 0)
1020 static int glob_item(Item
*i
, action_t action
, bool recursive
) {
1021 _cleanup_globfree_ glob_t g
= {
1022 .gl_closedir
= (void (*)(void *)) closedir
,
1023 .gl_readdir
= (struct dirent
*(*)(void *)) readdir
,
1024 .gl_opendir
= (void *(*)(const char *)) opendir_nomod
,
1032 k
= glob(i
->path
, GLOB_NOSORT
|GLOB_BRACE
|GLOB_ALTDIRFUNC
, NULL
, &g
);
1033 if (k
!= 0 && k
!= GLOB_NOMATCH
)
1034 return log_error_errno(errno
?: EIO
, "glob(%s) failed: %m", i
->path
);
1036 STRV_FOREACH(fn
, g
.gl_pathv
) {
1038 if (k
< 0 && r
== 0)
1042 k
= item_do_children(i
, *fn
, action
);
1043 if (k
< 0 && r
== 0)
1056 _CREATION_MODE_INVALID
= -1
1059 static const char *creation_mode_verb_table
[_CREATION_MODE_MAX
] = {
1060 [CREATION_NORMAL
] = "Created",
1061 [CREATION_EXISTING
] = "Found existing",
1062 [CREATION_FORCE
] = "Created replacement",
1065 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(creation_mode_verb
, CreationMode
);
1067 static int create_item(Item
*i
) {
1070 CreationMode creation
;
1074 log_debug("Running create action for entry %c %s", (char) i
->type
, i
->path
);
1079 case IGNORE_DIRECTORY_PATH
:
1081 case RECURSIVE_REMOVE_PATH
:
1086 r
= write_one_file(i
, i
->path
);
1092 log_debug("Copying tree \"%s\" to \"%s\".", i
->argument
, i
->path
);
1093 r
= copy_tree(i
->argument
, i
->path
, false);
1098 return log_error_errno(r
, "Failed to copy files to %s: %m", i
->path
);
1100 if (stat(i
->argument
, &a
) < 0)
1101 return log_error_errno(errno
, "stat(%s) failed: %m", i
->argument
);
1103 if (stat(i
->path
, &b
) < 0)
1104 return log_error_errno(errno
, "stat(%s) failed: %m", i
->path
);
1106 if ((a
.st_mode
^ b
.st_mode
) & S_IFMT
) {
1107 log_debug("Can't copy to %s, file exists already and is of different type", i
->path
);
1112 r
= path_set_perms(i
, i
->path
);
1119 r
= glob_item(i
, write_one_file
, false);
1125 case CREATE_DIRECTORY
:
1126 case TRUNCATE_DIRECTORY
:
1127 case CREATE_SUBVOLUME
:
1129 RUN_WITH_UMASK(0000)
1130 mkdir_parents_label(i
->path
, 0755);
1132 if (i
->type
== CREATE_SUBVOLUME
)
1133 RUN_WITH_UMASK((~i
->mode
) & 0777) {
1134 r
= btrfs_subvol_make(i
->path
);
1135 log_debug_errno(r
, "Creating subvolume \"%s\": %m", i
->path
);
1140 if (IN_SET(i
->type
, CREATE_DIRECTORY
, TRUNCATE_DIRECTORY
) || r
== -ENOTTY
)
1141 RUN_WITH_UMASK(0000)
1142 r
= mkdir_label(i
->path
, i
->mode
);
1146 return log_error_errno(r
, "Failed to create directory or subvolume \"%s\": %m", i
->path
);
1148 if (stat(i
->path
, &st
) < 0)
1149 return log_error_errno(errno
, "stat(%s) failed: %m", i
->path
);
1151 if (!S_ISDIR(st
.st_mode
)) {
1152 log_debug("\"%s\" already exists and is not a directory.", i
->path
);
1156 creation
= CREATION_EXISTING
;
1158 creation
= CREATION_NORMAL
;
1159 log_debug("%s directory \"%s\".", creation_mode_verb_to_string(creation
), i
->path
);
1161 r
= path_set_perms(i
, i
->path
);
1169 RUN_WITH_UMASK(0000) {
1170 mac_selinux_create_file_prepare(i
->path
, S_IFIFO
);
1171 r
= mkfifo(i
->path
, i
->mode
);
1172 mac_selinux_create_file_clear();
1176 if (errno
!= EEXIST
)
1177 return log_error_errno(errno
, "Failed to create fifo %s: %m", i
->path
);
1179 if (stat(i
->path
, &st
) < 0)
1180 return log_error_errno(errno
, "stat(%s) failed: %m", i
->path
);
1182 if (!S_ISFIFO(st
.st_mode
)) {
1186 RUN_WITH_UMASK(0000) {
1187 mac_selinux_create_file_prepare(i
->path
, S_IFIFO
);
1188 r
= mkfifo_atomic(i
->path
, i
->mode
);
1189 mac_selinux_create_file_clear();
1193 return log_error_errno(r
, "Failed to create fifo %s: %m", i
->path
);
1194 creation
= CREATION_FORCE
;
1196 log_debug("%s is not a fifo.", i
->path
);
1200 creation
= CREATION_EXISTING
;
1202 creation
= CREATION_NORMAL
;
1203 log_debug("%s fifo \"%s\".", creation_mode_verb_to_string(creation
), i
->path
);
1205 r
= path_set_perms(i
, i
->path
);
1211 case CREATE_SYMLINK
:
1213 mac_selinux_create_file_prepare(i
->path
, S_IFLNK
);
1214 r
= symlink(i
->argument
, i
->path
);
1215 mac_selinux_create_file_clear();
1218 _cleanup_free_
char *x
= NULL
;
1220 if (errno
!= EEXIST
)
1221 return log_error_errno(errno
, "symlink(%s, %s) failed: %m", i
->argument
, i
->path
);
1223 r
= readlink_malloc(i
->path
, &x
);
1224 if (r
< 0 || !streq(i
->argument
, x
)) {
1227 mac_selinux_create_file_prepare(i
->path
, S_IFLNK
);
1228 r
= symlink_atomic(i
->argument
, i
->path
);
1229 mac_selinux_create_file_clear();
1232 return log_error_errno(r
, "symlink(%s, %s) failed: %m", i
->argument
, i
->path
);
1233 creation
= CREATION_FORCE
;
1235 log_debug("\"%s\" is not a symlink or does not point to the correct path.", i
->path
);
1239 creation
= CREATION_EXISTING
;
1241 creation
= CREATION_NORMAL
;
1242 log_debug("%s symlink \"%s\".", creation_mode_verb_to_string(creation
), i
->path
);
1246 case CREATE_BLOCK_DEVICE
:
1247 case CREATE_CHAR_DEVICE
: {
1250 if (have_effective_cap(CAP_MKNOD
) == 0) {
1251 /* In a container we lack CAP_MKNOD. We
1252 shouldn't attempt to create the device node in
1253 that case to avoid noise, and we don't support
1254 virtualized devices in containers anyway. */
1256 log_debug("We lack CAP_MKNOD, skipping creation of device node %s.", i
->path
);
1260 file_type
= i
->type
== CREATE_BLOCK_DEVICE
? S_IFBLK
: S_IFCHR
;
1262 RUN_WITH_UMASK(0000) {
1263 mac_selinux_create_file_prepare(i
->path
, file_type
);
1264 r
= mknod(i
->path
, i
->mode
| file_type
, i
->major_minor
);
1265 mac_selinux_create_file_clear();
1269 if (errno
== EPERM
) {
1270 log_debug("We lack permissions, possibly because of cgroup configuration; "
1271 "skipping creation of device node %s.", i
->path
);
1275 if (errno
!= EEXIST
)
1276 return log_error_errno(errno
, "Failed to create device node %s: %m", i
->path
);
1278 if (stat(i
->path
, &st
) < 0)
1279 return log_error_errno(errno
, "stat(%s) failed: %m", i
->path
);
1281 if ((st
.st_mode
& S_IFMT
) != file_type
) {
1285 RUN_WITH_UMASK(0000) {
1286 mac_selinux_create_file_prepare(i
->path
, file_type
);
1287 r
= mknod_atomic(i
->path
, i
->mode
| file_type
, i
->major_minor
);
1288 mac_selinux_create_file_clear();
1292 return log_error_errno(r
, "Failed to create device node \"%s\": %m", i
->path
);
1293 creation
= CREATION_FORCE
;
1295 log_debug("%s is not a device node.", i
->path
);
1299 creation
= CREATION_EXISTING
;
1301 creation
= CREATION_NORMAL
;
1302 log_debug("%s %s device node \"%s\" %u:%u.",
1303 creation_mode_verb_to_string(creation
),
1304 i
->type
== CREATE_BLOCK_DEVICE
? "block" : "char",
1305 i
->path
, major(i
->mode
), minor(i
->mode
));
1307 r
= path_set_perms(i
, i
->path
);
1316 r
= glob_item(i
, path_set_perms
, false);
1321 case RECURSIVE_RELABEL_PATH
:
1322 r
= glob_item(i
, path_set_perms
, true);
1328 r
= glob_item(i
, path_set_xattrs
, false);
1333 case RECURSIVE_SET_XATTR
:
1334 r
= glob_item(i
, path_set_xattrs
, true);
1340 r
= glob_item(i
, path_set_acls
, false);
1345 case RECURSIVE_SET_ACL
:
1346 r
= glob_item(i
, path_set_acls
, true);
1352 r
= glob_item(i
, path_set_attribute
, false);
1357 case RECURSIVE_SET_ATTRIBUTE
:
1358 r
= glob_item(i
, path_set_attribute
, true);
1367 static int remove_item_instance(Item
*i
, const char *instance
) {
1375 if (remove(instance
) < 0 && errno
!= ENOENT
)
1376 return log_error_errno(errno
, "rm(%s): %m", instance
);
1380 case TRUNCATE_DIRECTORY
:
1381 case RECURSIVE_REMOVE_PATH
:
1382 /* FIXME: we probably should use dir_cleanup() here
1383 * instead of rm_rf() so that 'x' is honoured. */
1384 log_debug("rm -rf \"%s\"", instance
);
1385 r
= rm_rf(instance
, (i
->type
== RECURSIVE_REMOVE_PATH
? REMOVE_ROOT
: 0) | REMOVE_PHYSICAL
);
1386 if (r
< 0 && r
!= -ENOENT
)
1387 return log_error_errno(r
, "rm_rf(%s): %m", instance
);
1392 assert_not_reached("wut?");
1398 static int remove_item(Item
*i
) {
1403 log_debug("Running remove action for entry %c %s", (char) i
->type
, i
->path
);
1409 case CREATE_DIRECTORY
:
1410 case CREATE_SUBVOLUME
:
1412 case CREATE_SYMLINK
:
1413 case CREATE_CHAR_DEVICE
:
1414 case CREATE_BLOCK_DEVICE
:
1416 case IGNORE_DIRECTORY_PATH
:
1419 case RECURSIVE_RELABEL_PATH
:
1423 case RECURSIVE_SET_XATTR
:
1425 case RECURSIVE_SET_ACL
:
1427 case RECURSIVE_SET_ATTRIBUTE
:
1431 case TRUNCATE_DIRECTORY
:
1432 case RECURSIVE_REMOVE_PATH
:
1433 r
= glob_item(i
, remove_item_instance
, false);
1440 static int clean_item_instance(Item
*i
, const char* instance
) {
1441 _cleanup_closedir_
DIR *d
= NULL
;
1445 char timestamp
[FORMAT_TIMESTAMP_MAX
];
1452 n
= now(CLOCK_REALTIME
);
1456 cutoff
= n
- i
->age
;
1458 d
= opendir_nomod(instance
);
1460 if (errno
== ENOENT
|| errno
== ENOTDIR
) {
1461 log_debug_errno(errno
, "Directory \"%s\": %m", instance
);
1465 log_error_errno(errno
, "Failed to open directory %s: %m", instance
);
1469 if (fstat(dirfd(d
), &s
) < 0)
1470 return log_error_errno(errno
, "stat(%s) failed: %m", i
->path
);
1472 if (!S_ISDIR(s
.st_mode
)) {
1473 log_error("%s is not a directory.", i
->path
);
1477 if (fstatat(dirfd(d
), "..", &ps
, AT_SYMLINK_NOFOLLOW
) != 0)
1478 return log_error_errno(errno
, "stat(%s/..) failed: %m", i
->path
);
1480 mountpoint
= s
.st_dev
!= ps
.st_dev
||
1481 (s
.st_dev
== ps
.st_dev
&& s
.st_ino
== ps
.st_ino
);
1483 log_debug("Cleanup threshold for %s \"%s\" is %s",
1484 mountpoint
? "mount point" : "directory",
1486 format_timestamp_us(timestamp
, sizeof(timestamp
), cutoff
));
1488 return dir_cleanup(i
, instance
, d
, &s
, cutoff
, s
.st_dev
, mountpoint
,
1489 MAX_DEPTH
, i
->keep_first_level
);
1492 static int clean_item(Item
*i
) {
1497 log_debug("Running clean action for entry %c %s", (char) i
->type
, i
->path
);
1500 case CREATE_DIRECTORY
:
1501 case CREATE_SUBVOLUME
:
1502 case TRUNCATE_DIRECTORY
:
1505 clean_item_instance(i
, i
->path
);
1507 case IGNORE_DIRECTORY_PATH
:
1508 r
= glob_item(i
, clean_item_instance
, false);
1517 static int process_item_array(ItemArray
*array
);
1519 static int process_item(Item
*i
) {
1521 _cleanup_free_
char *prefix
= NULL
;
1530 prefix
= malloc(strlen(i
->path
) + 1);
1534 PATH_FOREACH_PREFIX(prefix
, i
->path
) {
1537 j
= hashmap_get(items
, prefix
);
1541 s
= process_item_array(j
);
1542 if (s
< 0 && t
== 0)
1547 r
= arg_create
? create_item(i
) : 0;
1548 q
= arg_remove
? remove_item(i
) : 0;
1549 p
= arg_clean
? clean_item(i
) : 0;
1557 static int process_item_array(ItemArray
*array
) {
1563 for (n
= 0; n
< array
->count
; n
++) {
1564 k
= process_item(array
->items
+ n
);
1565 if (k
< 0 && r
== 0)
1572 static void item_free_contents(Item
*i
) {
1576 strv_free(i
->xattrs
);
1579 acl_free(i
->acl_access
);
1580 acl_free(i
->acl_default
);
1584 static void item_array_free(ItemArray
*a
) {
1590 for (n
= 0; n
< a
->count
; n
++)
1591 item_free_contents(a
->items
+ n
);
1596 static bool item_compatible(Item
*a
, Item
*b
) {
1599 assert(streq(a
->path
, b
->path
));
1601 if (takes_ownership(a
->type
) && takes_ownership(b
->type
))
1602 /* check if the items are the same */
1603 return streq_ptr(a
->argument
, b
->argument
) &&
1605 a
->uid_set
== b
->uid_set
&&
1608 a
->gid_set
== b
->gid_set
&&
1611 a
->mode_set
== b
->mode_set
&&
1612 a
->mode
== b
->mode
&&
1614 a
->age_set
== b
->age_set
&&
1617 a
->mask_perms
== b
->mask_perms
&&
1619 a
->keep_first_level
== b
->keep_first_level
&&
1621 a
->major_minor
== b
->major_minor
;
1626 static bool should_include_path(const char *path
) {
1629 STRV_FOREACH(prefix
, arg_exclude_prefixes
)
1630 if (path_startswith(path
, *prefix
)) {
1631 log_debug("Entry \"%s\" matches exclude prefix \"%s\", skipping.",
1636 STRV_FOREACH(prefix
, arg_include_prefixes
)
1637 if (path_startswith(path
, *prefix
)) {
1638 log_debug("Entry \"%s\" matches include prefix \"%s\".", path
, *prefix
);
1642 /* no matches, so we should include this path only if we
1643 * have no whitelist at all */
1644 if (strv_length(arg_include_prefixes
) == 0)
1647 log_debug("Entry \"%s\" does not match any include prefix, skipping.", path
);
1651 static int parse_line(const char *fname
, unsigned line
, const char *buffer
) {
1653 static const Specifier specifier_table
[] = {
1654 { 'm', specifier_machine_id
, NULL
},
1655 { 'b', specifier_boot_id
, NULL
},
1656 { 'H', specifier_host_name
, NULL
},
1657 { 'v', specifier_kernel_release
, NULL
},
1661 _cleanup_free_
char *action
= NULL
, *mode
= NULL
, *user
= NULL
, *group
= NULL
, *age
= NULL
, *path
= NULL
;
1662 _cleanup_(item_free_contents
) Item i
= {};
1663 ItemArray
*existing
;
1666 bool force
= false, boot
= false;
1672 r
= unquote_many_words(
1683 return log_error_errno(r
, "[%s:%u] Failed to parse line: %m", fname
, line
);
1685 log_error("[%s:%u] Syntax error.", fname
, line
);
1689 if (!isempty(buffer
)) {
1690 i
.argument
= strdup(buffer
);
1695 if (isempty(action
)) {
1696 log_error("[%s:%u] Command too short '%s'.", fname
, line
, action
);
1700 for (pos
= 1; action
[pos
]; pos
++) {
1701 if (action
[pos
] == '!' && !boot
)
1703 else if (action
[pos
] == '+' && !force
)
1706 log_error("[%s:%u] Unknown modifiers in command '%s'",
1707 fname
, line
, action
);
1712 if (boot
&& !arg_boot
) {
1713 log_debug("Ignoring entry %s \"%s\" because --boot is not specified.",
1721 r
= specifier_printf(path
, specifier_table
, NULL
, &i
.path
);
1723 log_error("[%s:%u] Failed to replace specifiers: %s", fname
, line
, path
);
1731 case CREATE_DIRECTORY
:
1732 case CREATE_SUBVOLUME
:
1733 case TRUNCATE_DIRECTORY
:
1736 case IGNORE_DIRECTORY_PATH
:
1738 case RECURSIVE_REMOVE_PATH
:
1741 case RECURSIVE_RELABEL_PATH
:
1744 case CREATE_SYMLINK
:
1746 i
.argument
= strappend("/usr/share/factory/", i
.path
);
1754 log_error("[%s:%u] Write file requires argument.", fname
, line
);
1761 i
.argument
= strappend("/usr/share/factory/", i
.path
);
1764 } else if (!path_is_absolute(i
.argument
)) {
1765 log_error("[%s:%u] Source path is not absolute.", fname
, line
);
1769 path_kill_slashes(i
.argument
);
1772 case CREATE_CHAR_DEVICE
:
1773 case CREATE_BLOCK_DEVICE
: {
1774 unsigned major
, minor
;
1777 log_error("[%s:%u] Device file requires argument.", fname
, line
);
1781 if (sscanf(i
.argument
, "%u:%u", &major
, &minor
) != 2) {
1782 log_error("[%s:%u] Can't parse device file major/minor '%s'.", fname
, line
, i
.argument
);
1786 i
.major_minor
= makedev(major
, minor
);
1791 case RECURSIVE_SET_XATTR
:
1793 log_error("[%s:%u] Set extended attribute requires argument.", fname
, line
);
1796 r
= get_xattrs_from_arg(&i
);
1802 case RECURSIVE_SET_ACL
:
1804 log_error("[%s:%u] Set ACLs requires argument.", fname
, line
);
1807 r
= get_acls_from_arg(&i
);
1813 case RECURSIVE_SET_ATTRIBUTE
:
1815 log_error("[%s:%u] Set file attribute requires argument.", fname
, line
);
1818 r
= get_attribute_from_arg(&i
);
1824 log_error("[%s:%u] Unknown command type '%c'.", fname
, line
, (char) i
.type
);
1828 if (!path_is_absolute(i
.path
)) {
1829 log_error("[%s:%u] Path '%s' not absolute.", fname
, line
, i
.path
);
1833 path_kill_slashes(i
.path
);
1835 if (!should_include_path(i
.path
))
1841 p
= strappend(arg_root
, i
.path
);
1849 if (user
&& !streq(user
, "-")) {
1850 const char *u
= user
;
1852 r
= get_user_creds(&u
, &i
.uid
, NULL
, NULL
, NULL
);
1854 log_error("[%s:%u] Unknown user '%s'.", fname
, line
, user
);
1861 if (group
&& !streq(group
, "-")) {
1862 const char *g
= group
;
1864 r
= get_group_creds(&g
, &i
.gid
);
1866 log_error("[%s:%u] Unknown group '%s'.", fname
, line
, group
);
1873 if (mode
&& !streq(mode
, "-")) {
1874 const char *mm
= mode
;
1878 i
.mask_perms
= true;
1882 if (sscanf(mm
, "%o", &m
) != 1) {
1883 log_error("[%s:%u] Invalid mode '%s'.", fname
, line
, mode
);
1890 i
.mode
= IN_SET(i
.type
, CREATE_DIRECTORY
, CREATE_SUBVOLUME
, TRUNCATE_DIRECTORY
)
1893 if (age
&& !streq(age
, "-")) {
1894 const char *a
= age
;
1897 i
.keep_first_level
= true;
1901 if (parse_sec(a
, &i
.age
) < 0) {
1902 log_error("[%s:%u] Invalid age '%s'.", fname
, line
, age
);
1909 h
= needs_glob(i
.type
) ? globs
: items
;
1911 existing
= hashmap_get(h
, i
.path
);
1915 for (n
= 0; n
< existing
->count
; n
++) {
1916 if (!item_compatible(existing
->items
+ n
, &i
)) {
1917 log_warning("[%s:%u] Duplicate line for path \"%s\", ignoring.",
1918 fname
, line
, i
.path
);
1923 existing
= new0(ItemArray
, 1);
1924 r
= hashmap_put(h
, i
.path
, existing
);
1929 if (!GREEDY_REALLOC(existing
->items
, existing
->size
, existing
->count
+ 1))
1932 memcpy(existing
->items
+ existing
->count
++, &i
, sizeof(i
));
1937 static void help(void) {
1938 printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
1939 "Creates, deletes and cleans up volatile and temporary files and directories.\n\n"
1940 " -h --help Show this help\n"
1941 " --version Show package version\n"
1942 " --create Create marked files/directories\n"
1943 " --clean Clean up marked directories\n"
1944 " --remove Remove marked files/directories\n"
1945 " --boot Execute actions only safe at boot\n"
1946 " --prefix=PATH Only apply rules with the specified prefix\n"
1947 " --exclude-prefix=PATH Ignore rules with the specified prefix\n"
1948 " --root=PATH Operate on an alternate filesystem root\n",
1949 program_invocation_short_name
);
1952 static int parse_argv(int argc
, char *argv
[]) {
1955 ARG_VERSION
= 0x100,
1965 static const struct option options
[] = {
1966 { "help", no_argument
, NULL
, 'h' },
1967 { "version", no_argument
, NULL
, ARG_VERSION
},
1968 { "create", no_argument
, NULL
, ARG_CREATE
},
1969 { "clean", no_argument
, NULL
, ARG_CLEAN
},
1970 { "remove", no_argument
, NULL
, ARG_REMOVE
},
1971 { "boot", no_argument
, NULL
, ARG_BOOT
},
1972 { "prefix", required_argument
, NULL
, ARG_PREFIX
},
1973 { "exclude-prefix", required_argument
, NULL
, ARG_EXCLUDE_PREFIX
},
1974 { "root", required_argument
, NULL
, ARG_ROOT
},
1983 while ((c
= getopt_long(argc
, argv
, "h", options
, NULL
)) >= 0)
1992 puts(PACKAGE_STRING
);
1993 puts(SYSTEMD_FEATURES
);
2013 if (strv_push(&arg_include_prefixes
, optarg
) < 0)
2017 case ARG_EXCLUDE_PREFIX
:
2018 if (strv_push(&arg_exclude_prefixes
, optarg
) < 0)
2024 arg_root
= path_make_absolute_cwd(optarg
);
2028 path_kill_slashes(arg_root
);
2035 assert_not_reached("Unhandled option");
2038 if (!arg_clean
&& !arg_create
&& !arg_remove
) {
2039 log_error("You need to specify at least one of --clean, --create or --remove.");
2046 static int read_config_file(const char *fn
, bool ignore_enoent
) {
2047 _cleanup_fclose_
FILE *f
= NULL
;
2048 char line
[LINE_MAX
];
2056 r
= search_and_fopen_nulstr(fn
, "re", arg_root
, conf_file_dirs
, &f
);
2058 if (ignore_enoent
&& r
== -ENOENT
) {
2059 log_debug_errno(r
, "Failed to open \"%s\": %m", fn
);
2063 return log_error_errno(r
, "Failed to open '%s', ignoring: %m", fn
);
2065 log_debug("Reading config file \"%s\".", fn
);
2067 FOREACH_LINE(line
, f
, break) {
2074 if (*l
== '#' || *l
== 0)
2077 k
= parse_line(fn
, v
, l
);
2078 if (k
< 0 && r
== 0)
2082 /* we have to determine age parameter for each entry of type X */
2083 HASHMAP_FOREACH(i
, globs
, iterator
) {
2085 Item
*j
, *candidate_item
= NULL
;
2087 if (i
->type
!= IGNORE_DIRECTORY_PATH
)
2090 HASHMAP_FOREACH(j
, items
, iter
) {
2091 if (j
->type
!= CREATE_DIRECTORY
&& j
->type
!= TRUNCATE_DIRECTORY
&& j
->type
!= CREATE_SUBVOLUME
)
2094 if (path_equal(j
->path
, i
->path
)) {
2099 if ((!candidate_item
&& path_startswith(i
->path
, j
->path
)) ||
2100 (candidate_item
&& path_startswith(j
->path
, candidate_item
->path
) && (fnmatch(i
->path
, j
->path
, FNM_PATHNAME
| FNM_PERIOD
) == 0)))
2104 if (candidate_item
&& candidate_item
->age_set
) {
2105 i
->age
= candidate_item
->age
;
2111 log_error_errno(errno
, "Failed to read from file %s: %m", fn
);
2119 int main(int argc
, char *argv
[]) {
2124 r
= parse_argv(argc
, argv
);
2128 log_set_target(LOG_TARGET_AUTO
);
2129 log_parse_environment();
2134 mac_selinux_init(NULL
);
2136 items
= hashmap_new(&string_hash_ops
);
2137 globs
= hashmap_new(&string_hash_ops
);
2139 if (!items
|| !globs
) {
2146 if (optind
< argc
) {
2149 for (j
= optind
; j
< argc
; j
++) {
2150 k
= read_config_file(argv
[j
], false);
2151 if (k
< 0 && r
== 0)
2156 _cleanup_strv_free_
char **files
= NULL
;
2159 r
= conf_files_list_nulstr(&files
, ".conf", arg_root
, conf_file_dirs
);
2161 log_error_errno(r
, "Failed to enumerate tmpfiles.d files: %m");
2165 STRV_FOREACH(f
, files
) {
2166 k
= read_config_file(*f
, true);
2167 if (k
< 0 && r
== 0)
2172 HASHMAP_FOREACH(a
, globs
, iterator
) {
2173 k
= process_item_array(a
);
2174 if (k
< 0 && r
== 0)
2178 HASHMAP_FOREACH(a
, items
, iterator
) {
2179 k
= process_item_array(a
);
2180 if (k
< 0 && r
== 0)
2185 while ((a
= hashmap_steal_first(items
)))
2188 while ((a
= hashmap_steal_first(globs
)))
2191 hashmap_free(items
);
2192 hashmap_free(globs
);
2194 free(arg_include_prefixes
);
2195 free(arg_exclude_prefixes
);
2198 set_free_free(unix_sockets
);
2200 mac_selinux_finish();
2202 return r
< 0 ? EXIT_FAILURE
: EXIT_SUCCESS
;