1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
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/>.
22 #include <sys/signalfd.h>
23 #include <sys/ioctl.h>
24 #include <linux/sockios.h>
25 #include <sys/statvfs.h>
29 #include <selinux/selinux.h>
34 #include "sd-journal.h"
35 #include "sd-messages.h"
36 #include "sd-daemon.h"
40 #include "journal-file.h"
41 #include "socket-util.h"
42 #include "cgroup-util.h"
44 #include "conf-parser.h"
45 #include "selinux-util.h"
47 #include "formats-util.h"
48 #include "process-util.h"
49 #include "hostname-util.h"
50 #include "signal-util.h"
51 #include "journal-internal.h"
52 #include "journal-vacuum.h"
53 #include "journal-authenticate.h"
54 #include "journald-rate-limit.h"
55 #include "journald-kmsg.h"
56 #include "journald-syslog.h"
57 #include "journald-stream.h"
58 #include "journald-native.h"
59 #include "journald-audit.h"
60 #include "journald-server.h"
62 #define USER_JOURNALS_MAX 1024
64 #define DEFAULT_SYNC_INTERVAL_USEC (5*USEC_PER_MINUTE)
65 #define DEFAULT_RATE_LIMIT_INTERVAL (30*USEC_PER_SEC)
66 #define DEFAULT_RATE_LIMIT_BURST 1000
67 #define DEFAULT_MAX_FILE_USEC USEC_PER_MONTH
69 #define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)
71 static const char* const storage_table
[_STORAGE_MAX
] = {
72 [STORAGE_AUTO
] = "auto",
73 [STORAGE_VOLATILE
] = "volatile",
74 [STORAGE_PERSISTENT
] = "persistent",
75 [STORAGE_NONE
] = "none"
78 DEFINE_STRING_TABLE_LOOKUP(storage
, Storage
);
79 DEFINE_CONFIG_PARSE_ENUM(config_parse_storage
, storage
, Storage
, "Failed to parse storage setting");
81 static const char* const split_mode_table
[_SPLIT_MAX
] = {
82 [SPLIT_LOGIN
] = "login",
84 [SPLIT_NONE
] = "none",
87 DEFINE_STRING_TABLE_LOOKUP(split_mode
, SplitMode
);
88 DEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode
, split_mode
, SplitMode
, "Failed to parse split mode setting");
90 static uint64_t available_space(Server
*s
, bool verbose
) {
92 _cleanup_free_
char *p
= NULL
;
95 uint64_t sum
= 0, ss_avail
= 0, avail
= 0;
97 _cleanup_closedir_
DIR *d
= NULL
;
102 ts
= now(CLOCK_MONOTONIC
);
104 if (s
->cached_available_space_timestamp
+ RECHECK_AVAILABLE_SPACE_USEC
> ts
106 return s
->cached_available_space
;
108 r
= sd_id128_get_machine(&machine
);
112 if (s
->system_journal
) {
113 f
= "/var/log/journal/";
114 m
= &s
->system_metrics
;
116 f
= "/run/log/journal/";
117 m
= &s
->runtime_metrics
;
122 p
= strappend(f
, sd_id128_to_string(machine
, ids
));
130 if (fstatvfs(dirfd(d
), &ss
) < 0)
139 if (!de
&& errno
!= 0)
145 if (!endswith(de
->d_name
, ".journal") &&
146 !endswith(de
->d_name
, ".journal~"))
149 if (fstatat(dirfd(d
), de
->d_name
, &st
, AT_SYMLINK_NOFOLLOW
) < 0)
152 if (!S_ISREG(st
.st_mode
))
155 sum
+= (uint64_t) st
.st_blocks
* 512UL;
158 ss_avail
= ss
.f_bsize
* ss
.f_bavail
;
160 /* If we reached a high mark, we will always allow this much
161 * again, unless usage goes above max_use. This watermark
162 * value is cached so that we don't give up space on pressure,
163 * but hover below the maximum usage. */
168 avail
= LESS_BY(ss_avail
, m
->keep_free
);
170 s
->cached_available_space
= LESS_BY(MIN(m
->max_use
, avail
), sum
);
171 s
->cached_available_space_timestamp
= ts
;
174 char fb1
[FORMAT_BYTES_MAX
], fb2
[FORMAT_BYTES_MAX
], fb3
[FORMAT_BYTES_MAX
],
175 fb4
[FORMAT_BYTES_MAX
], fb5
[FORMAT_BYTES_MAX
];
177 server_driver_message(s
, SD_MESSAGE_JOURNAL_USAGE
,
178 "%s is currently using %s.\n"
179 "Maximum allowed usage is set to %s.\n"
180 "Leaving at least %s free (of currently available %s of space).\n"
181 "Enforced usage limit is thus %s.",
182 s
->system_journal
? "Permanent journal (/var/log/journal/)" : "Runtime journal (/run/log/journal/)",
183 format_bytes(fb1
, sizeof(fb1
), sum
),
184 format_bytes(fb2
, sizeof(fb2
), m
->max_use
),
185 format_bytes(fb3
, sizeof(fb3
), m
->keep_free
),
186 format_bytes(fb4
, sizeof(fb4
), ss_avail
),
187 format_bytes(fb5
, sizeof(fb5
), s
->cached_available_space
+ sum
));
190 return s
->cached_available_space
;
193 void server_fix_perms(Server
*s
, JournalFile
*f
, uid_t uid
) {
198 acl_permset_t permset
;
203 r
= fchmod(f
->fd
, 0640);
205 log_warning_errno(r
, "Failed to fix access mode on %s, ignoring: %m", f
->path
);
208 if (uid
<= SYSTEM_UID_MAX
)
211 acl
= acl_get_fd(f
->fd
);
213 log_warning_errno(errno
, "Failed to read ACL on %s, ignoring: %m", f
->path
);
217 r
= acl_find_uid(acl
, uid
, &entry
);
220 if (acl_create_entry(&acl
, &entry
) < 0 ||
221 acl_set_tag_type(entry
, ACL_USER
) < 0 ||
222 acl_set_qualifier(entry
, &uid
) < 0) {
223 log_warning_errno(errno
, "Failed to patch ACL on %s, ignoring: %m", f
->path
);
228 /* We do not recalculate the mask unconditionally here,
229 * so that the fchmod() mask above stays intact. */
230 if (acl_get_permset(entry
, &permset
) < 0 ||
231 acl_add_perm(permset
, ACL_READ
) < 0 ||
232 calc_acl_mask_if_needed(&acl
) < 0) {
233 log_warning_errno(errno
, "Failed to patch ACL on %s, ignoring: %m", f
->path
);
237 if (acl_set_fd(f
->fd
, acl
) < 0)
238 log_warning_errno(errno
, "Failed to set ACL on %s, ignoring: %m", f
->path
);
245 static JournalFile
* find_journal(Server
*s
, uid_t uid
) {
246 _cleanup_free_
char *p
= NULL
;
253 /* We split up user logs only on /var, not on /run. If the
254 * runtime file is open, we write to it exclusively, in order
255 * to guarantee proper order as soon as we flush /run to
256 * /var and close the runtime file. */
258 if (s
->runtime_journal
)
259 return s
->runtime_journal
;
261 if (uid
<= SYSTEM_UID_MAX
)
262 return s
->system_journal
;
264 r
= sd_id128_get_machine(&machine
);
266 return s
->system_journal
;
268 f
= ordered_hashmap_get(s
->user_journals
, UINT32_TO_PTR(uid
));
272 if (asprintf(&p
, "/var/log/journal/" SD_ID128_FORMAT_STR
"/user-"UID_FMT
".journal",
273 SD_ID128_FORMAT_VAL(machine
), uid
) < 0)
274 return s
->system_journal
;
276 while (ordered_hashmap_size(s
->user_journals
) >= USER_JOURNALS_MAX
) {
277 /* Too many open? Then let's close one */
278 f
= ordered_hashmap_steal_first(s
->user_journals
);
280 journal_file_close(f
);
283 r
= journal_file_open_reliably(p
, O_RDWR
|O_CREAT
, 0640, s
->compress
, s
->seal
, &s
->system_metrics
, s
->mmap
, NULL
, &f
);
285 return s
->system_journal
;
287 server_fix_perms(s
, f
, uid
);
289 r
= ordered_hashmap_put(s
->user_journals
, UINT32_TO_PTR(uid
), f
);
291 journal_file_close(f
);
292 return s
->system_journal
;
298 static int do_rotate(
311 r
= journal_file_rotate(f
, s
->compress
, seal
);
314 log_error_errno(r
, "Failed to rotate %s: %m", (*f
)->path
);
316 log_error_errno(r
, "Failed to create new %s journal: %m", name
);
318 server_fix_perms(s
, *f
, uid
);
323 void server_rotate(Server
*s
) {
329 log_debug("Rotating...");
331 do_rotate(s
, &s
->runtime_journal
, "runtime", false, 0);
332 do_rotate(s
, &s
->system_journal
, "system", s
->seal
, 0);
334 ORDERED_HASHMAP_FOREACH_KEY(f
, k
, s
->user_journals
, i
) {
335 r
= do_rotate(s
, &f
, "user", s
->seal
, PTR_TO_UINT32(k
));
337 ordered_hashmap_replace(s
->user_journals
, k
, f
);
339 /* Old file has been closed and deallocated */
340 ordered_hashmap_remove(s
->user_journals
, k
);
344 void server_sync(Server
*s
) {
350 if (s
->system_journal
) {
351 r
= journal_file_set_offline(s
->system_journal
);
353 log_error_errno(r
, "Failed to sync system journal: %m");
356 ORDERED_HASHMAP_FOREACH_KEY(f
, k
, s
->user_journals
, i
) {
357 r
= journal_file_set_offline(f
);
359 log_error_errno(r
, "Failed to sync user journal: %m");
362 if (s
->sync_event_source
) {
363 r
= sd_event_source_set_enabled(s
->sync_event_source
, SD_EVENT_OFF
);
365 log_error_errno(r
, "Failed to disable sync timer source: %m");
368 s
->sync_scheduled
= false;
371 static void do_vacuum(
376 JournalMetrics
*metrics
) {
384 p
= strjoina(path
, id
);
385 r
= journal_directory_vacuum(p
, metrics
->max_use
, s
->max_retention_usec
, &s
->oldest_file_usec
, false);
386 if (r
< 0 && r
!= -ENOENT
)
387 log_error_errno(r
, "Failed to vacuum %s: %m", p
);
390 void server_vacuum(Server
*s
) {
395 log_debug("Vacuuming...");
397 s
->oldest_file_usec
= 0;
399 r
= sd_id128_get_machine(&machine
);
401 log_error_errno(r
, "Failed to get machine ID: %m");
404 sd_id128_to_string(machine
, ids
);
406 do_vacuum(s
, ids
, s
->system_journal
, "/var/log/journal/", &s
->system_metrics
);
407 do_vacuum(s
, ids
, s
->runtime_journal
, "/run/log/journal/", &s
->runtime_metrics
);
409 s
->cached_available_space_timestamp
= 0;
412 static void server_cache_machine_id(Server
*s
) {
418 r
= sd_id128_get_machine(&id
);
422 sd_id128_to_string(id
, stpcpy(s
->machine_id_field
, "_MACHINE_ID="));
425 static void server_cache_boot_id(Server
*s
) {
431 r
= sd_id128_get_boot(&id
);
435 sd_id128_to_string(id
, stpcpy(s
->boot_id_field
, "_BOOT_ID="));
438 static void server_cache_hostname(Server
*s
) {
439 _cleanup_free_
char *t
= NULL
;
444 t
= gethostname_malloc();
448 x
= strappend("_HOSTNAME=", t
);
452 free(s
->hostname_field
);
453 s
->hostname_field
= x
;
456 static bool shall_try_append_again(JournalFile
*f
, int r
) {
458 /* -E2BIG Hit configured limit
460 -EDQUOT Quota limit hit
462 -EIO I/O error of some kind (mmap)
463 -EHOSTDOWN Other machine
464 -EBUSY Unclean shutdown
465 -EPROTONOSUPPORT Unsupported feature
468 -ESHUTDOWN Already archived
469 -EIDRM Journal file has been deleted */
471 if (r
== -E2BIG
|| r
== -EFBIG
|| r
== -EDQUOT
|| r
== -ENOSPC
)
472 log_debug("%s: Allocation limit reached, rotating.", f
->path
);
473 else if (r
== -EHOSTDOWN
)
474 log_info("%s: Journal file from other machine, rotating.", f
->path
);
475 else if (r
== -EBUSY
)
476 log_info("%s: Unclean shutdown, rotating.", f
->path
);
477 else if (r
== -EPROTONOSUPPORT
)
478 log_info("%s: Unsupported feature, rotating.", f
->path
);
479 else if (r
== -EBADMSG
|| r
== -ENODATA
|| r
== ESHUTDOWN
)
480 log_warning("%s: Journal file corrupted, rotating.", f
->path
);
482 log_warning("%s: IO error, rotating.", f
->path
);
483 else if (r
== -EIDRM
)
484 log_warning("%s: Journal file has been deleted, rotating.", f
->path
);
491 static void write_to_journal(Server
*s
, uid_t uid
, struct iovec
*iovec
, unsigned n
, int priority
) {
493 bool vacuumed
= false;
500 f
= find_journal(s
, uid
);
504 if (journal_file_rotate_suggested(f
, s
->max_file_usec
)) {
505 log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f
->path
);
510 f
= find_journal(s
, uid
);
515 r
= journal_file_append_entry(f
, NULL
, iovec
, n
, &s
->seqnum
, NULL
, NULL
);
517 server_schedule_sync(s
, priority
);
521 if (vacuumed
|| !shall_try_append_again(f
, r
)) {
522 log_error_errno(r
, "Failed to write entry (%d items, %zu bytes), ignoring: %m", n
, IOVEC_TOTAL_SIZE(iovec
, n
));
529 f
= find_journal(s
, uid
);
533 log_debug("Retrying write.");
534 r
= journal_file_append_entry(f
, NULL
, iovec
, n
, &s
->seqnum
, NULL
, NULL
);
536 log_error_errno(r
, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n
, IOVEC_TOTAL_SIZE(iovec
, n
));
538 server_schedule_sync(s
, priority
);
541 static void dispatch_message_real(
543 struct iovec
*iovec
, unsigned n
, unsigned m
,
544 const struct ucred
*ucred
,
545 const struct timeval
*tv
,
546 const char *label
, size_t label_len
,
551 char pid
[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t
)],
552 uid
[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t
)],
553 gid
[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t
)],
554 owner_uid
[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t
)],
555 source_time
[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t
)],
556 o_uid
[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t
)],
557 o_gid
[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t
)],
558 o_owner_uid
[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t
)];
564 uid_t realuid
= 0, owner
= 0, journal_uid
;
565 bool owner_valid
= false;
567 char audit_session
[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
568 audit_loginuid
[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t
)],
569 o_audit_session
[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
570 o_audit_loginuid
[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t
)];
579 assert(n
+ N_IOVEC_META_FIELDS
+ (object_pid
? N_IOVEC_OBJECT_FIELDS
: 0) <= m
);
582 realuid
= ucred
->uid
;
584 sprintf(pid
, "_PID="PID_FMT
, ucred
->pid
);
585 IOVEC_SET_STRING(iovec
[n
++], pid
);
587 sprintf(uid
, "_UID="UID_FMT
, ucred
->uid
);
588 IOVEC_SET_STRING(iovec
[n
++], uid
);
590 sprintf(gid
, "_GID="GID_FMT
, ucred
->gid
);
591 IOVEC_SET_STRING(iovec
[n
++], gid
);
593 r
= get_process_comm(ucred
->pid
, &t
);
595 x
= strjoina("_COMM=", t
);
597 IOVEC_SET_STRING(iovec
[n
++], x
);
600 r
= get_process_exe(ucred
->pid
, &t
);
602 x
= strjoina("_EXE=", t
);
604 IOVEC_SET_STRING(iovec
[n
++], x
);
607 r
= get_process_cmdline(ucred
->pid
, 0, false, &t
);
609 x
= strjoina("_CMDLINE=", t
);
611 IOVEC_SET_STRING(iovec
[n
++], x
);
614 r
= get_process_capeff(ucred
->pid
, &t
);
616 x
= strjoina("_CAP_EFFECTIVE=", t
);
618 IOVEC_SET_STRING(iovec
[n
++], x
);
622 r
= audit_session_from_pid(ucred
->pid
, &audit
);
624 sprintf(audit_session
, "_AUDIT_SESSION=%"PRIu32
, audit
);
625 IOVEC_SET_STRING(iovec
[n
++], audit_session
);
628 r
= audit_loginuid_from_pid(ucred
->pid
, &loginuid
);
630 sprintf(audit_loginuid
, "_AUDIT_LOGINUID="UID_FMT
, loginuid
);
631 IOVEC_SET_STRING(iovec
[n
++], audit_loginuid
);
635 r
= cg_pid_get_path_shifted(ucred
->pid
, s
->cgroup_root
, &c
);
637 char *session
= NULL
;
639 x
= strjoina("_SYSTEMD_CGROUP=", c
);
640 IOVEC_SET_STRING(iovec
[n
++], x
);
642 r
= cg_path_get_session(c
, &t
);
644 session
= strjoina("_SYSTEMD_SESSION=", t
);
646 IOVEC_SET_STRING(iovec
[n
++], session
);
649 if (cg_path_get_owner_uid(c
, &owner
) >= 0) {
652 sprintf(owner_uid
, "_SYSTEMD_OWNER_UID="UID_FMT
, owner
);
653 IOVEC_SET_STRING(iovec
[n
++], owner_uid
);
656 if (cg_path_get_unit(c
, &t
) >= 0) {
657 x
= strjoina("_SYSTEMD_UNIT=", t
);
659 IOVEC_SET_STRING(iovec
[n
++], x
);
660 } else if (unit_id
&& !session
) {
661 x
= strjoina("_SYSTEMD_UNIT=", unit_id
);
662 IOVEC_SET_STRING(iovec
[n
++], x
);
665 if (cg_path_get_user_unit(c
, &t
) >= 0) {
666 x
= strjoina("_SYSTEMD_USER_UNIT=", t
);
668 IOVEC_SET_STRING(iovec
[n
++], x
);
669 } else if (unit_id
&& session
) {
670 x
= strjoina("_SYSTEMD_USER_UNIT=", unit_id
);
671 IOVEC_SET_STRING(iovec
[n
++], x
);
674 if (cg_path_get_slice(c
, &t
) >= 0) {
675 x
= strjoina("_SYSTEMD_SLICE=", t
);
677 IOVEC_SET_STRING(iovec
[n
++], x
);
681 } else if (unit_id
) {
682 x
= strjoina("_SYSTEMD_UNIT=", unit_id
);
683 IOVEC_SET_STRING(iovec
[n
++], x
);
687 if (mac_selinux_use()) {
689 x
= alloca(strlen("_SELINUX_CONTEXT=") + label_len
+ 1);
691 *((char*) mempcpy(stpcpy(x
, "_SELINUX_CONTEXT="), label
, label_len
)) = 0;
692 IOVEC_SET_STRING(iovec
[n
++], x
);
694 security_context_t con
;
696 if (getpidcon(ucred
->pid
, &con
) >= 0) {
697 x
= strjoina("_SELINUX_CONTEXT=", con
);
700 IOVEC_SET_STRING(iovec
[n
++], x
);
709 r
= get_process_uid(object_pid
, &object_uid
);
711 sprintf(o_uid
, "OBJECT_UID="UID_FMT
, object_uid
);
712 IOVEC_SET_STRING(iovec
[n
++], o_uid
);
715 r
= get_process_gid(object_pid
, &object_gid
);
717 sprintf(o_gid
, "OBJECT_GID="GID_FMT
, object_gid
);
718 IOVEC_SET_STRING(iovec
[n
++], o_gid
);
721 r
= get_process_comm(object_pid
, &t
);
723 x
= strjoina("OBJECT_COMM=", t
);
725 IOVEC_SET_STRING(iovec
[n
++], x
);
728 r
= get_process_exe(object_pid
, &t
);
730 x
= strjoina("OBJECT_EXE=", t
);
732 IOVEC_SET_STRING(iovec
[n
++], x
);
735 r
= get_process_cmdline(object_pid
, 0, false, &t
);
737 x
= strjoina("OBJECT_CMDLINE=", t
);
739 IOVEC_SET_STRING(iovec
[n
++], x
);
743 r
= audit_session_from_pid(object_pid
, &audit
);
745 sprintf(o_audit_session
, "OBJECT_AUDIT_SESSION=%"PRIu32
, audit
);
746 IOVEC_SET_STRING(iovec
[n
++], o_audit_session
);
749 r
= audit_loginuid_from_pid(object_pid
, &loginuid
);
751 sprintf(o_audit_loginuid
, "OBJECT_AUDIT_LOGINUID="UID_FMT
, loginuid
);
752 IOVEC_SET_STRING(iovec
[n
++], o_audit_loginuid
);
756 r
= cg_pid_get_path_shifted(object_pid
, s
->cgroup_root
, &c
);
758 x
= strjoina("OBJECT_SYSTEMD_CGROUP=", c
);
759 IOVEC_SET_STRING(iovec
[n
++], x
);
761 r
= cg_path_get_session(c
, &t
);
763 x
= strjoina("OBJECT_SYSTEMD_SESSION=", t
);
765 IOVEC_SET_STRING(iovec
[n
++], x
);
768 if (cg_path_get_owner_uid(c
, &owner
) >= 0) {
769 sprintf(o_owner_uid
, "OBJECT_SYSTEMD_OWNER_UID="UID_FMT
, owner
);
770 IOVEC_SET_STRING(iovec
[n
++], o_owner_uid
);
773 if (cg_path_get_unit(c
, &t
) >= 0) {
774 x
= strjoina("OBJECT_SYSTEMD_UNIT=", t
);
776 IOVEC_SET_STRING(iovec
[n
++], x
);
779 if (cg_path_get_user_unit(c
, &t
) >= 0) {
780 x
= strjoina("OBJECT_SYSTEMD_USER_UNIT=", t
);
782 IOVEC_SET_STRING(iovec
[n
++], x
);
791 sprintf(source_time
, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv
));
792 IOVEC_SET_STRING(iovec
[n
++], source_time
);
795 /* Note that strictly speaking storing the boot id here is
796 * redundant since the entry includes this in-line
797 * anyway. However, we need this indexed, too. */
798 if (!isempty(s
->boot_id_field
))
799 IOVEC_SET_STRING(iovec
[n
++], s
->boot_id_field
);
801 if (!isempty(s
->machine_id_field
))
802 IOVEC_SET_STRING(iovec
[n
++], s
->machine_id_field
);
804 if (!isempty(s
->hostname_field
))
805 IOVEC_SET_STRING(iovec
[n
++], s
->hostname_field
);
809 if (s
->split_mode
== SPLIT_UID
&& realuid
> 0)
810 /* Split up strictly by any UID */
811 journal_uid
= realuid
;
812 else if (s
->split_mode
== SPLIT_LOGIN
&& realuid
> 0 && owner_valid
&& owner
> 0)
813 /* Split up by login UIDs. We do this only if the
814 * realuid is not root, in order not to accidentally
815 * leak privileged information to the user that is
816 * logged by a privileged process that is part of an
817 * unprivileged session. */
822 write_to_journal(s
, journal_uid
, iovec
, n
, priority
);
825 void server_driver_message(Server
*s
, sd_id128_t message_id
, const char *format
, ...) {
826 char mid
[11 + 32 + 1];
827 char buffer
[16 + LINE_MAX
+ 1];
828 struct iovec iovec
[N_IOVEC_META_FIELDS
+ 4];
831 struct ucred ucred
= {};
836 IOVEC_SET_STRING(iovec
[n
++], "PRIORITY=6");
837 IOVEC_SET_STRING(iovec
[n
++], "_TRANSPORT=driver");
839 memcpy(buffer
, "MESSAGE=", 8);
840 va_start(ap
, format
);
841 vsnprintf(buffer
+ 8, sizeof(buffer
) - 8, format
, ap
);
843 IOVEC_SET_STRING(iovec
[n
++], buffer
);
845 if (!sd_id128_equal(message_id
, SD_ID128_NULL
)) {
846 snprintf(mid
, sizeof(mid
), LOG_MESSAGE_ID(message_id
));
847 IOVEC_SET_STRING(iovec
[n
++], mid
);
850 ucred
.pid
= getpid();
851 ucred
.uid
= getuid();
852 ucred
.gid
= getgid();
854 dispatch_message_real(s
, iovec
, n
, ELEMENTSOF(iovec
), &ucred
, NULL
, NULL
, 0, NULL
, LOG_INFO
, 0);
857 void server_dispatch_message(
859 struct iovec
*iovec
, unsigned n
, unsigned m
,
860 const struct ucred
*ucred
,
861 const struct timeval
*tv
,
862 const char *label
, size_t label_len
,
868 _cleanup_free_
char *path
= NULL
;
872 assert(iovec
|| n
== 0);
877 if (LOG_PRI(priority
) > s
->max_level_store
)
880 /* Stop early in case the information will not be stored
882 if (s
->storage
== STORAGE_NONE
)
888 r
= cg_pid_get_path_shifted(ucred
->pid
, s
->cgroup_root
, &path
);
892 /* example: /user/lennart/3/foobar
893 * /system/dbus.service/foobar
895 * So let's cut of everything past the third /, since that is
896 * where user directories start */
898 c
= strchr(path
, '/');
900 c
= strchr(c
+1, '/');
902 c
= strchr(c
+1, '/');
908 rl
= journal_rate_limit_test(s
->rate_limit
, path
,
909 priority
& LOG_PRIMASK
, available_space(s
, false));
914 /* Write a suppression message if we suppressed something */
916 server_driver_message(s
, SD_MESSAGE_JOURNAL_DROPPED
,
917 "Suppressed %u messages from %s", rl
- 1, path
);
920 dispatch_message_real(s
, iovec
, n
, m
, ucred
, tv
, label
, label_len
, unit_id
, priority
, object_pid
);
924 static int system_journal_open(Server
*s
, bool flush_requested
) {
930 r
= sd_id128_get_machine(&machine
);
932 return log_error_errno(r
, "Failed to get machine id: %m");
934 sd_id128_to_string(machine
, ids
);
936 if (!s
->system_journal
&&
937 (s
->storage
== STORAGE_PERSISTENT
|| s
->storage
== STORAGE_AUTO
) &&
939 || access("/run/systemd/journal/flushed", F_OK
) >= 0)) {
941 /* If in auto mode: first try to create the machine
942 * path, but not the prefix.
944 * If in persistent mode: create /var/log/journal and
945 * the machine path */
947 if (s
->storage
== STORAGE_PERSISTENT
)
948 (void) mkdir_p("/var/log/journal/", 0755);
950 fn
= strjoina("/var/log/journal/", ids
);
951 (void) mkdir(fn
, 0755);
953 fn
= strjoina(fn
, "/system.journal");
954 r
= journal_file_open_reliably(fn
, O_RDWR
|O_CREAT
, 0640, s
->compress
, s
->seal
, &s
->system_metrics
, s
->mmap
, NULL
, &s
->system_journal
);
957 server_fix_perms(s
, s
->system_journal
, 0);
959 if (r
!= -ENOENT
&& r
!= -EROFS
)
960 log_warning_errno(r
, "Failed to open system journal: %m");
966 if (!s
->runtime_journal
&&
967 (s
->storage
!= STORAGE_NONE
)) {
969 fn
= strjoin("/run/log/journal/", ids
, "/system.journal", NULL
);
973 if (s
->system_journal
) {
975 /* Try to open the runtime journal, but only
976 * if it already exists, so that we can flush
977 * it into the system journal */
979 r
= journal_file_open(fn
, O_RDWR
, 0640, s
->compress
, false, &s
->runtime_metrics
, s
->mmap
, NULL
, &s
->runtime_journal
);
984 log_warning_errno(r
, "Failed to open runtime journal: %m");
991 /* OK, we really need the runtime journal, so create
992 * it if necessary. */
994 (void) mkdir("/run/log", 0755);
995 (void) mkdir("/run/log/journal", 0755);
996 (void) mkdir_parents(fn
, 0750);
998 r
= journal_file_open_reliably(fn
, O_RDWR
|O_CREAT
, 0640, s
->compress
, false, &s
->runtime_metrics
, s
->mmap
, NULL
, &s
->runtime_journal
);
1002 return log_error_errno(r
, "Failed to open runtime journal: %m");
1005 if (s
->runtime_journal
)
1006 server_fix_perms(s
, s
->runtime_journal
, 0);
1009 available_space(s
, true);
1014 int server_flush_to_var(Server
*s
) {
1016 sd_journal
*j
= NULL
;
1017 char ts
[FORMAT_TIMESPAN_MAX
];
1024 if (s
->storage
!= STORAGE_AUTO
&&
1025 s
->storage
!= STORAGE_PERSISTENT
)
1028 if (!s
->runtime_journal
)
1031 system_journal_open(s
, true);
1033 if (!s
->system_journal
)
1036 log_debug("Flushing to /var...");
1038 start
= now(CLOCK_MONOTONIC
);
1040 r
= sd_id128_get_machine(&machine
);
1044 r
= sd_journal_open(&j
, SD_JOURNAL_RUNTIME_ONLY
);
1046 return log_error_errno(r
, "Failed to read runtime journal: %m");
1048 sd_journal_set_data_threshold(j
, 0);
1050 SD_JOURNAL_FOREACH(j
) {
1054 f
= j
->current_file
;
1055 assert(f
&& f
->current_offset
> 0);
1059 r
= journal_file_move_to_object(f
, OBJECT_ENTRY
, f
->current_offset
, &o
);
1061 log_error_errno(r
, "Can't read entry: %m");
1065 r
= journal_file_copy_entry(f
, s
->system_journal
, o
, f
->current_offset
, NULL
, NULL
, NULL
);
1069 if (!shall_try_append_again(s
->system_journal
, r
)) {
1070 log_error_errno(r
, "Can't write entry: %m");
1077 if (!s
->system_journal
) {
1078 log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");
1083 log_debug("Retrying write.");
1084 r
= journal_file_copy_entry(f
, s
->system_journal
, o
, f
->current_offset
, NULL
, NULL
, NULL
);
1086 log_error_errno(r
, "Can't write entry: %m");
1092 journal_file_post_change(s
->system_journal
);
1094 journal_file_close(s
->runtime_journal
);
1095 s
->runtime_journal
= NULL
;
1098 (void) rm_rf("/run/log/journal", REMOVE_ROOT
);
1100 sd_journal_close(j
);
1102 server_driver_message(s
, SD_ID128_NULL
, "Time spent on flushing to /var is %s for %u entries.", format_timespan(ts
, sizeof(ts
), now(CLOCK_MONOTONIC
) - start
, 0), n
);
1107 int server_process_datagram(sd_event_source
*es
, int fd
, uint32_t revents
, void *userdata
) {
1108 Server
*s
= userdata
;
1109 struct ucred
*ucred
= NULL
;
1110 struct timeval
*tv
= NULL
;
1111 struct cmsghdr
*cmsg
;
1113 size_t label_len
= 0, m
;
1116 int *fds
= NULL
, v
= 0;
1120 struct cmsghdr cmsghdr
;
1122 /* We use NAME_MAX space for the SELinux label
1123 * here. The kernel currently enforces no
1124 * limit, but according to suggestions from
1125 * the SELinux people this will change and it
1126 * will probably be identical to NAME_MAX. For
1127 * now we use that, but this should be updated
1128 * one day when the final limit is known. */
1129 uint8_t buf
[CMSG_SPACE(sizeof(struct ucred
)) +
1130 CMSG_SPACE(sizeof(struct timeval
)) +
1131 CMSG_SPACE(sizeof(int)) + /* fd */
1132 CMSG_SPACE(NAME_MAX
)]; /* selinux label */
1135 union sockaddr_union sa
= {};
1137 struct msghdr msghdr
= {
1140 .msg_control
= &control
,
1141 .msg_controllen
= sizeof(control
),
1143 .msg_namelen
= sizeof(sa
),
1147 assert(fd
== s
->native_fd
|| fd
== s
->syslog_fd
|| fd
== s
->audit_fd
);
1149 if (revents
!= EPOLLIN
) {
1150 log_error("Got invalid event from epoll for datagram fd: %"PRIx32
, revents
);
1154 /* Try to get the right size, if we can. (Not all
1155 * sockets support SIOCINQ, hence we just try, but
1156 * don't rely on it. */
1157 (void) ioctl(fd
, SIOCINQ
, &v
);
1159 /* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful! */
1160 m
= PAGE_ALIGN(MAX3((size_t) v
+ 1,
1162 ALIGN(sizeof(struct nlmsghdr
)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH
)) + 1);
1164 if (!GREEDY_REALLOC(s
->buffer
, s
->buffer_size
, m
))
1167 iovec
.iov_base
= s
->buffer
;
1168 iovec
.iov_len
= s
->buffer_size
- 1; /* Leave room for trailing NUL we add later */
1170 n
= recvmsg(fd
, &msghdr
, MSG_DONTWAIT
|MSG_CMSG_CLOEXEC
);
1172 if (errno
== EINTR
|| errno
== EAGAIN
)
1175 return log_error_errno(errno
, "recvmsg() failed: %m");
1178 CMSG_FOREACH(cmsg
, &msghdr
) {
1180 if (cmsg
->cmsg_level
== SOL_SOCKET
&&
1181 cmsg
->cmsg_type
== SCM_CREDENTIALS
&&
1182 cmsg
->cmsg_len
== CMSG_LEN(sizeof(struct ucred
)))
1183 ucred
= (struct ucred
*) CMSG_DATA(cmsg
);
1184 else if (cmsg
->cmsg_level
== SOL_SOCKET
&&
1185 cmsg
->cmsg_type
== SCM_SECURITY
) {
1186 label
= (char*) CMSG_DATA(cmsg
);
1187 label_len
= cmsg
->cmsg_len
- CMSG_LEN(0);
1188 } else if (cmsg
->cmsg_level
== SOL_SOCKET
&&
1189 cmsg
->cmsg_type
== SO_TIMESTAMP
&&
1190 cmsg
->cmsg_len
== CMSG_LEN(sizeof(struct timeval
)))
1191 tv
= (struct timeval
*) CMSG_DATA(cmsg
);
1192 else if (cmsg
->cmsg_level
== SOL_SOCKET
&&
1193 cmsg
->cmsg_type
== SCM_RIGHTS
) {
1194 fds
= (int*) CMSG_DATA(cmsg
);
1195 n_fds
= (cmsg
->cmsg_len
- CMSG_LEN(0)) / sizeof(int);
1199 /* And a trailing NUL, just in case */
1202 if (fd
== s
->syslog_fd
) {
1203 if (n
> 0 && n_fds
== 0)
1204 server_process_syslog_message(s
, strstrip(s
->buffer
), ucred
, tv
, label
, label_len
);
1206 log_warning("Got file descriptors via syslog socket. Ignoring.");
1208 } else if (fd
== s
->native_fd
) {
1209 if (n
> 0 && n_fds
== 0)
1210 server_process_native_message(s
, s
->buffer
, n
, ucred
, tv
, label
, label_len
);
1211 else if (n
== 0 && n_fds
== 1)
1212 server_process_native_file(s
, fds
[0], ucred
, tv
, label
, label_len
);
1214 log_warning("Got too many file descriptors via native socket. Ignoring.");
1217 assert(fd
== s
->audit_fd
);
1219 if (n
> 0 && n_fds
== 0)
1220 server_process_audit_message(s
, s
->buffer
, n
, ucred
, &sa
, msghdr
.msg_namelen
);
1222 log_warning("Got file descriptors via audit socket. Ignoring.");
1225 close_many(fds
, n_fds
);
1229 static int dispatch_sigusr1(sd_event_source
*es
, const struct signalfd_siginfo
*si
, void *userdata
) {
1230 Server
*s
= userdata
;
1234 log_info("Received request to flush runtime journal from PID %"PRIu32
, si
->ssi_pid
);
1236 server_flush_to_var(s
);
1240 touch("/run/systemd/journal/flushed");
1245 static int dispatch_sigusr2(sd_event_source
*es
, const struct signalfd_siginfo
*si
, void *userdata
) {
1246 Server
*s
= userdata
;
1250 log_info("Received request to rotate journal from PID %"PRIu32
, si
->ssi_pid
);
1257 static int dispatch_sigterm(sd_event_source
*es
, const struct signalfd_siginfo
*si
, void *userdata
) {
1258 Server
*s
= userdata
;
1262 log_received_signal(LOG_INFO
, si
);
1264 sd_event_exit(s
->event
, 0);
1268 static int setup_signals(Server
*s
) {
1273 assert(sigprocmask_many(SIG_SETMASK
, NULL
, SIGINT
, SIGTERM
, SIGUSR1
, SIGUSR2
, -1) >= 0);
1275 r
= sd_event_add_signal(s
->event
, &s
->sigusr1_event_source
, SIGUSR1
, dispatch_sigusr1
, s
);
1279 r
= sd_event_add_signal(s
->event
, &s
->sigusr2_event_source
, SIGUSR2
, dispatch_sigusr2
, s
);
1283 r
= sd_event_add_signal(s
->event
, &s
->sigterm_event_source
, SIGTERM
, dispatch_sigterm
, s
);
1287 r
= sd_event_add_signal(s
->event
, &s
->sigint_event_source
, SIGINT
, dispatch_sigterm
, s
);
1294 static int server_parse_proc_cmdline(Server
*s
) {
1295 _cleanup_free_
char *line
= NULL
;
1296 const char *w
, *state
;
1300 r
= proc_cmdline(&line
);
1302 log_warning_errno(r
, "Failed to read /proc/cmdline, ignoring: %m");
1306 FOREACH_WORD_QUOTED(w
, l
, line
, state
) {
1307 _cleanup_free_
char *word
;
1309 word
= strndup(w
, l
);
1313 if (startswith(word
, "systemd.journald.forward_to_syslog=")) {
1314 r
= parse_boolean(word
+ 35);
1316 log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word
+ 35);
1318 s
->forward_to_syslog
= r
;
1319 } else if (startswith(word
, "systemd.journald.forward_to_kmsg=")) {
1320 r
= parse_boolean(word
+ 33);
1322 log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word
+ 33);
1324 s
->forward_to_kmsg
= r
;
1325 } else if (startswith(word
, "systemd.journald.forward_to_console=")) {
1326 r
= parse_boolean(word
+ 36);
1328 log_warning("Failed to parse forward to console switch %s. Ignoring.", word
+ 36);
1330 s
->forward_to_console
= r
;
1331 } else if (startswith(word
, "systemd.journald.forward_to_wall=")) {
1332 r
= parse_boolean(word
+ 33);
1334 log_warning("Failed to parse forward to wall switch %s. Ignoring.", word
+ 33);
1336 s
->forward_to_wall
= r
;
1337 } else if (startswith(word
, "systemd.journald"))
1338 log_warning("Invalid systemd.journald parameter. Ignoring.");
1340 /* do not warn about state here, since probably systemd already did */
1345 static int server_parse_config_file(Server
*s
) {
1348 return config_parse_many("/etc/systemd/journald.conf",
1349 CONF_DIRS_NULSTR("systemd/journald.conf"),
1351 config_item_perf_lookup
, journald_gperf_lookup
,
1355 static int server_dispatch_sync(sd_event_source
*es
, usec_t t
, void *userdata
) {
1356 Server
*s
= userdata
;
1364 int server_schedule_sync(Server
*s
, int priority
) {
1369 if (priority
<= LOG_CRIT
) {
1370 /* Immediately sync to disk when this is of priority CRIT, ALERT, EMERG */
1375 if (s
->sync_scheduled
)
1378 if (s
->sync_interval_usec
> 0) {
1381 r
= sd_event_now(s
->event
, CLOCK_MONOTONIC
, &when
);
1385 when
+= s
->sync_interval_usec
;
1387 if (!s
->sync_event_source
) {
1388 r
= sd_event_add_time(
1390 &s
->sync_event_source
,
1393 server_dispatch_sync
, s
);
1397 r
= sd_event_source_set_priority(s
->sync_event_source
, SD_EVENT_PRIORITY_IMPORTANT
);
1399 r
= sd_event_source_set_time(s
->sync_event_source
, when
);
1403 r
= sd_event_source_set_enabled(s
->sync_event_source
, SD_EVENT_ONESHOT
);
1408 s
->sync_scheduled
= true;
1414 static int dispatch_hostname_change(sd_event_source
*es
, int fd
, uint32_t revents
, void *userdata
) {
1415 Server
*s
= userdata
;
1419 server_cache_hostname(s
);
1423 static int server_open_hostname(Server
*s
) {
1428 s
->hostname_fd
= open("/proc/sys/kernel/hostname", O_RDONLY
|O_CLOEXEC
|O_NDELAY
|O_NOCTTY
);
1429 if (s
->hostname_fd
< 0)
1430 return log_error_errno(errno
, "Failed to open /proc/sys/kernel/hostname: %m");
1432 r
= sd_event_add_io(s
->event
, &s
->hostname_event_source
, s
->hostname_fd
, 0, dispatch_hostname_change
, s
);
1434 /* kernels prior to 3.2 don't support polling this file. Ignore
1437 log_warning("Failed to register hostname fd in event loop: %s. Ignoring.",
1439 s
->hostname_fd
= safe_close(s
->hostname_fd
);
1443 return log_error_errno(r
, "Failed to register hostname fd in event loop: %m");
1446 r
= sd_event_source_set_priority(s
->hostname_event_source
, SD_EVENT_PRIORITY_IMPORTANT
-10);
1448 return log_error_errno(r
, "Failed to adjust priority of host name event source: %m");
1453 int server_init(Server
*s
) {
1454 _cleanup_fdset_free_ FDSet
*fds
= NULL
;
1460 s
->syslog_fd
= s
->native_fd
= s
->stdout_fd
= s
->dev_kmsg_fd
= s
->audit_fd
= s
->hostname_fd
= -1;
1464 s
->sync_interval_usec
= DEFAULT_SYNC_INTERVAL_USEC
;
1465 s
->sync_scheduled
= false;
1467 s
->rate_limit_interval
= DEFAULT_RATE_LIMIT_INTERVAL
;
1468 s
->rate_limit_burst
= DEFAULT_RATE_LIMIT_BURST
;
1470 s
->forward_to_wall
= true;
1472 s
->max_file_usec
= DEFAULT_MAX_FILE_USEC
;
1474 s
->max_level_store
= LOG_DEBUG
;
1475 s
->max_level_syslog
= LOG_DEBUG
;
1476 s
->max_level_kmsg
= LOG_NOTICE
;
1477 s
->max_level_console
= LOG_INFO
;
1478 s
->max_level_wall
= LOG_EMERG
;
1480 memset(&s
->system_metrics
, 0xFF, sizeof(s
->system_metrics
));
1481 memset(&s
->runtime_metrics
, 0xFF, sizeof(s
->runtime_metrics
));
1483 server_parse_config_file(s
);
1484 server_parse_proc_cmdline(s
);
1485 if (!!s
->rate_limit_interval
^ !!s
->rate_limit_burst
) {
1486 log_debug("Setting both rate limit interval and burst from "USEC_FMT
",%u to 0,0",
1487 s
->rate_limit_interval
, s
->rate_limit_burst
);
1488 s
->rate_limit_interval
= s
->rate_limit_burst
= 0;
1491 mkdir_p("/run/systemd/journal", 0755);
1493 s
->user_journals
= ordered_hashmap_new(NULL
);
1494 if (!s
->user_journals
)
1497 s
->mmap
= mmap_cache_new();
1501 r
= sd_event_default(&s
->event
);
1503 return log_error_errno(r
, "Failed to create event loop: %m");
1505 sd_event_set_watchdog(s
->event
, true);
1507 n
= sd_listen_fds(true);
1509 return log_error_errno(n
, "Failed to read listening file descriptors from environment: %m");
1511 for (fd
= SD_LISTEN_FDS_START
; fd
< SD_LISTEN_FDS_START
+ n
; fd
++) {
1513 if (sd_is_socket_unix(fd
, SOCK_DGRAM
, -1, "/run/systemd/journal/socket", 0) > 0) {
1515 if (s
->native_fd
>= 0) {
1516 log_error("Too many native sockets passed.");
1522 } else if (sd_is_socket_unix(fd
, SOCK_STREAM
, 1, "/run/systemd/journal/stdout", 0) > 0) {
1524 if (s
->stdout_fd
>= 0) {
1525 log_error("Too many stdout sockets passed.");
1531 } else if (sd_is_socket_unix(fd
, SOCK_DGRAM
, -1, "/dev/log", 0) > 0 ||
1532 sd_is_socket_unix(fd
, SOCK_DGRAM
, -1, "/run/systemd/journal/dev-log", 0) > 0) {
1534 if (s
->syslog_fd
>= 0) {
1535 log_error("Too many /dev/log sockets passed.");
1541 } else if (sd_is_socket(fd
, AF_NETLINK
, SOCK_RAW
, -1) > 0) {
1543 if (s
->audit_fd
>= 0) {
1544 log_error("Too many audit sockets passed.");
1558 r
= fdset_put(fds
, fd
);
1564 r
= server_open_stdout_socket(s
, fds
);
1568 if (fdset_size(fds
) > 0) {
1569 log_warning("%u unknown file descriptors passed, closing.", fdset_size(fds
));
1570 fds
= fdset_free(fds
);
1573 r
= server_open_syslog_socket(s
);
1577 r
= server_open_native_socket(s
);
1581 r
= server_open_dev_kmsg(s
);
1585 r
= server_open_audit(s
);
1589 r
= server_open_kernel_seqnum(s
);
1593 r
= server_open_hostname(s
);
1597 r
= setup_signals(s
);
1601 s
->udev
= udev_new();
1605 s
->rate_limit
= journal_rate_limit_new(s
->rate_limit_interval
, s
->rate_limit_burst
);
1609 r
= cg_get_root_path(&s
->cgroup_root
);
1613 server_cache_hostname(s
);
1614 server_cache_boot_id(s
);
1615 server_cache_machine_id(s
);
1617 r
= system_journal_open(s
, false);
1624 void server_maybe_append_tags(Server
*s
) {
1630 n
= now(CLOCK_REALTIME
);
1632 if (s
->system_journal
)
1633 journal_file_maybe_append_tag(s
->system_journal
, n
);
1635 ORDERED_HASHMAP_FOREACH(f
, s
->user_journals
, i
)
1636 journal_file_maybe_append_tag(f
, n
);
1640 void server_done(Server
*s
) {
1644 while (s
->stdout_streams
)
1645 stdout_stream_free(s
->stdout_streams
);
1647 if (s
->system_journal
)
1648 journal_file_close(s
->system_journal
);
1650 if (s
->runtime_journal
)
1651 journal_file_close(s
->runtime_journal
);
1653 while ((f
= ordered_hashmap_steal_first(s
->user_journals
)))
1654 journal_file_close(f
);
1656 ordered_hashmap_free(s
->user_journals
);
1658 sd_event_source_unref(s
->syslog_event_source
);
1659 sd_event_source_unref(s
->native_event_source
);
1660 sd_event_source_unref(s
->stdout_event_source
);
1661 sd_event_source_unref(s
->dev_kmsg_event_source
);
1662 sd_event_source_unref(s
->audit_event_source
);
1663 sd_event_source_unref(s
->sync_event_source
);
1664 sd_event_source_unref(s
->sigusr1_event_source
);
1665 sd_event_source_unref(s
->sigusr2_event_source
);
1666 sd_event_source_unref(s
->sigterm_event_source
);
1667 sd_event_source_unref(s
->sigint_event_source
);
1668 sd_event_source_unref(s
->hostname_event_source
);
1669 sd_event_unref(s
->event
);
1671 safe_close(s
->syslog_fd
);
1672 safe_close(s
->native_fd
);
1673 safe_close(s
->stdout_fd
);
1674 safe_close(s
->dev_kmsg_fd
);
1675 safe_close(s
->audit_fd
);
1676 safe_close(s
->hostname_fd
);
1679 journal_rate_limit_free(s
->rate_limit
);
1681 if (s
->kernel_seqnum
)
1682 munmap(s
->kernel_seqnum
, sizeof(uint64_t));
1686 free(s
->cgroup_root
);
1687 free(s
->hostname_field
);
1690 mmap_cache_unref(s
->mmap
);
1692 udev_unref(s
->udev
);