1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 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/reboot.h>
29 #include <sys/ioctl.h>
33 #include <sys/socket.h>
36 #include <sys/prctl.h>
37 #include <dbus/dbus.h>
39 #include <systemd/sd-daemon.h>
40 #include <systemd/sd-shutdown.h>
41 #include <systemd/sd-login.h>
47 #include "utmp-wtmp.h"
50 #include "path-util.h"
52 #include "dbus-common.h"
53 #include "cgroup-show.h"
54 #include "cgroup-util.h"
56 #include "path-lookup.h"
57 #include "conf-parser.h"
58 #include "exit-status.h"
59 #include "bus-errors.h"
61 #include "unit-name.h"
63 #include "spawn-ask-password-agent.h"
64 #include "spawn-polkit-agent.h"
66 #include "logs-show.h"
67 #include "path-util.h"
68 #include "socket-util.h"
71 static char **arg_types
= NULL
;
72 static char **arg_states
= NULL
;
73 static char **arg_properties
= NULL
;
74 static bool arg_all
= false;
75 static enum dependency
{
80 } arg_dependency
= DEPENDENCY_FORWARD
;
81 static const char *arg_job_mode
= "replace";
82 static UnitFileScope arg_scope
= UNIT_FILE_SYSTEM
;
83 static bool arg_no_block
= false;
84 static bool arg_no_legend
= false;
85 static bool arg_no_pager
= false;
86 static bool arg_no_wtmp
= false;
87 static bool arg_no_wall
= false;
88 static bool arg_no_reload
= false;
89 static bool arg_show_types
= false;
90 static bool arg_ignore_inhibitors
= false;
91 static bool arg_dry
= false;
92 static bool arg_quiet
= false;
93 static bool arg_full
= false;
94 static int arg_force
= 0;
95 static bool arg_ask_password
= true;
96 static bool arg_runtime
= false;
97 static char **arg_wall
= NULL
;
98 static const char *arg_kill_who
= NULL
;
99 static int arg_signal
= SIGTERM
;
100 static const char *arg_root
= NULL
;
101 static usec_t arg_when
= 0;
123 ACTION_CANCEL_SHUTDOWN
,
125 } arg_action
= ACTION_SYSTEMCTL
;
126 static enum transport
{
130 } arg_transport
= TRANSPORT_NORMAL
;
131 static char *arg_host
= NULL
;
132 static char *arg_user
= NULL
;
133 static unsigned arg_lines
= 10;
134 static OutputMode arg_output
= OUTPUT_SHORT
;
135 static bool arg_plain
= false;
137 static bool private_bus
= false;
139 static int daemon_reload(DBusConnection
*bus
, char **args
);
140 static void halt_now(enum action a
);
142 static void pager_open_if_enabled(void) {
150 static void ask_password_agent_open_if_enabled(void) {
152 /* Open the password agent as a child process if necessary */
154 if (!arg_ask_password
)
157 if (arg_scope
!= UNIT_FILE_SYSTEM
)
160 ask_password_agent_open();
164 static void polkit_agent_open_if_enabled(void) {
166 /* Open the polkit agent as a child process if necessary */
168 if (!arg_ask_password
)
171 if (arg_scope
!= UNIT_FILE_SYSTEM
)
178 static const char *ansi_highlight(bool b
) {
183 return b
? ANSI_HIGHLIGHT_ON
: ANSI_HIGHLIGHT_OFF
;
186 static const char *ansi_highlight_red(bool b
) {
191 return b
? ANSI_HIGHLIGHT_RED_ON
: ANSI_HIGHLIGHT_OFF
;
194 static const char *ansi_highlight_green(bool b
) {
199 return b
? ANSI_HIGHLIGHT_GREEN_ON
: ANSI_HIGHLIGHT_OFF
;
202 static int translate_bus_error_to_exit_status(int r
, const DBusError
*error
) {
205 if (!dbus_error_is_set(error
))
208 if (dbus_error_has_name(error
, DBUS_ERROR_ACCESS_DENIED
) ||
209 dbus_error_has_name(error
, BUS_ERROR_ONLY_BY_DEPENDENCY
) ||
210 dbus_error_has_name(error
, BUS_ERROR_NO_ISOLATION
) ||
211 dbus_error_has_name(error
, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE
))
212 return EXIT_NOPERMISSION
;
214 if (dbus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
))
215 return EXIT_NOTINSTALLED
;
217 if (dbus_error_has_name(error
, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE
) ||
218 dbus_error_has_name(error
, BUS_ERROR_NOT_SUPPORTED
))
219 return EXIT_NOTIMPLEMENTED
;
221 if (dbus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
))
222 return EXIT_NOTCONFIGURED
;
230 static void warn_wall(enum action a
) {
231 static const char *table
[_ACTION_MAX
] = {
232 [ACTION_HALT
] = "The system is going down for system halt NOW!",
233 [ACTION_REBOOT
] = "The system is going down for reboot NOW!",
234 [ACTION_POWEROFF
] = "The system is going down for power-off NOW!",
235 [ACTION_KEXEC
] = "The system is going down for kexec reboot NOW!",
236 [ACTION_RESCUE
] = "The system is going down to rescue mode NOW!",
237 [ACTION_EMERGENCY
] = "The system is going down to emergency mode NOW!",
238 [ACTION_CANCEL_SHUTDOWN
] = "The system shutdown has been cancelled NOW!"
245 _cleanup_free_
char *p
;
247 p
= strv_join(arg_wall
, " ");
262 utmp_wall(table
[a
], NULL
);
265 static bool avoid_bus(void) {
267 if (running_in_chroot() > 0)
270 if (sd_booted() <= 0)
273 if (!isempty(arg_root
))
276 if (arg_scope
== UNIT_FILE_GLOBAL
)
282 static int compare_unit_info(const void *a
, const void *b
) {
284 const struct unit_info
*u
= a
, *v
= b
;
286 d1
= strrchr(u
->id
, '.');
287 d2
= strrchr(v
->id
, '.');
292 r
= strcasecmp(d1
, d2
);
297 return strcasecmp(u
->id
, v
->id
);
300 static bool output_show_unit(const struct unit_info
*u
) {
303 if (!strv_isempty(arg_states
))
304 return strv_contains(arg_states
, u
->load_state
) || strv_contains(arg_states
, u
->sub_state
) || strv_contains(arg_states
, u
->active_state
);
306 return (!arg_types
|| ((dot
= strrchr(u
->id
, '.')) &&
307 strv_find(arg_types
, dot
+1))) &&
308 (arg_all
|| !(streq(u
->active_state
, "inactive")
309 || u
->following
[0]) || u
->job_id
> 0);
312 static void output_units_list(const struct unit_info
*unit_infos
, unsigned c
) {
313 unsigned id_len
, max_id_len
, active_len
, sub_len
, job_len
, desc_len
, n_shown
= 0;
314 const struct unit_info
*u
;
317 max_id_len
= sizeof("UNIT")-1;
318 active_len
= sizeof("ACTIVE")-1;
319 sub_len
= sizeof("SUB")-1;
320 job_len
= sizeof("JOB")-1;
323 for (u
= unit_infos
; u
< unit_infos
+ c
; u
++) {
324 if (!output_show_unit(u
))
327 max_id_len
= MAX(max_id_len
, strlen(u
->id
));
328 active_len
= MAX(active_len
, strlen(u
->active_state
));
329 sub_len
= MAX(sub_len
, strlen(u
->sub_state
));
330 if (u
->job_id
!= 0) {
331 job_len
= MAX(job_len
, strlen(u
->job_type
));
338 id_len
= MIN(max_id_len
, 25u);
339 basic_len
= 5 + id_len
+ 5 + active_len
+ sub_len
;
341 basic_len
+= job_len
+ 1;
342 if (basic_len
< (unsigned) columns()) {
343 unsigned extra_len
, incr
;
344 extra_len
= columns() - basic_len
;
345 /* Either UNIT already got 25, or is fully satisfied.
346 * Grant up to 25 to DESC now. */
347 incr
= MIN(extra_len
, 25u);
350 /* split the remaining space between UNIT and DESC,
351 * but do not give UNIT more than it needs. */
353 incr
= MIN(extra_len
/ 2, max_id_len
- id_len
);
355 desc_len
+= extra_len
- incr
;
361 for (u
= unit_infos
; u
< unit_infos
+ c
; u
++) {
362 _cleanup_free_
char *e
= NULL
;
363 const char *on_loaded
, *off_loaded
, *on
= "";
364 const char *on_active
, *off_active
, *off
= "";
366 if (!output_show_unit(u
))
369 if (!n_shown
&& !arg_no_legend
) {
370 printf("%-*s %-6s %-*s %-*s ", id_len
, "UNIT", "LOAD",
371 active_len
, "ACTIVE", sub_len
, "SUB");
373 printf("%-*s ", job_len
, "JOB");
374 if (!arg_full
&& arg_no_pager
)
375 printf("%.*s\n", desc_len
, "DESCRIPTION");
377 printf("%s\n", "DESCRIPTION");
382 if (streq(u
->load_state
, "error") ||
383 streq(u
->load_state
, "not-found")) {
384 on_loaded
= on
= ansi_highlight_red(true);
385 off_loaded
= off
= ansi_highlight_red(false);
387 on_loaded
= off_loaded
= "";
389 if (streq(u
->active_state
, "failed")) {
390 on_active
= on
= ansi_highlight_red(true);
391 off_active
= off
= ansi_highlight_red(false);
393 on_active
= off_active
= "";
395 e
= arg_full
? NULL
: ellipsize(u
->id
, id_len
, 33);
397 printf("%s%-*s%s %s%-6s%s %s%-*s %-*s%s %-*s",
398 on
, id_len
, e
? e
: u
->id
, off
,
399 on_loaded
, u
->load_state
, off_loaded
,
400 on_active
, active_len
, u
->active_state
,
401 sub_len
, u
->sub_state
, off_active
,
402 job_count
? job_len
+ 1 : 0, u
->job_id
? u
->job_type
: "");
403 if (!arg_full
&& arg_no_pager
)
404 printf("%.*s\n", desc_len
, u
->description
);
406 printf("%s\n", u
->description
);
409 if (!arg_no_legend
) {
410 const char *on
, *off
;
413 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
414 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
415 "SUB = The low-level unit activation state, values depend on unit type.\n");
417 printf("JOB = Pending job for the unit.\n");
419 on
= ansi_highlight(true);
420 off
= ansi_highlight(false);
422 on
= ansi_highlight_red(true);
423 off
= ansi_highlight_red(false);
427 printf("%s%u loaded units listed.%s\n"
428 "To show all installed unit files use 'systemctl list-unit-files'.\n",
431 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
432 "To show all installed unit files use 'systemctl list-unit-files'.\n",
437 static int get_unit_list(
440 struct unit_info
**unit_infos
,
443 DBusMessageIter iter
, sub
;
451 r
= bus_method_call_with_reply(
453 "org.freedesktop.systemd1",
454 "/org/freedesktop/systemd1",
455 "org.freedesktop.systemd1.Manager",
463 if (!dbus_message_iter_init(*reply
, &iter
) ||
464 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
465 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
466 log_error("Failed to parse reply.");
470 dbus_message_iter_recurse(&iter
, &sub
);
472 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
473 if (!GREEDY_REALLOC(*unit_infos
, size
, *c
+ 1))
476 bus_parse_unit_info(&sub
, *unit_infos
+ *c
);
479 dbus_message_iter_next(&sub
);
485 static int list_units(DBusConnection
*bus
, char **args
) {
486 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
487 _cleanup_free_
struct unit_info
*unit_infos
= NULL
;
491 pager_open_if_enabled();
493 r
= get_unit_list(bus
, &reply
, &unit_infos
, &c
);
497 qsort(unit_infos
, c
, sizeof(struct unit_info
), compare_unit_info
);
499 output_units_list(unit_infos
, c
);
504 static int get_triggered_units(
506 const char* unit_path
,
509 const char *interface
= "org.freedesktop.systemd1.Unit",
510 *triggers_property
= "Triggers";
511 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
512 DBusMessageIter iter
, sub
;
515 r
= bus_method_call_with_reply(bus
,
516 "org.freedesktop.systemd1",
518 "org.freedesktop.DBus.Properties",
522 DBUS_TYPE_STRING
, &interface
,
523 DBUS_TYPE_STRING
, &triggers_property
,
528 if (!dbus_message_iter_init(reply
, &iter
) ||
529 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
530 log_error("Failed to parse reply.");
534 dbus_message_iter_recurse(&iter
, &sub
);
535 dbus_message_iter_recurse(&sub
, &iter
);
538 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
541 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
542 log_error("Failed to parse reply.");
546 dbus_message_iter_get_basic(&sub
, &unit
);
547 r
= strv_extend(triggered
, unit
);
551 dbus_message_iter_next(&sub
);
557 static int get_listening(DBusConnection
*bus
, const char* unit_path
,
558 char*** listen
, unsigned *c
)
560 const char *interface
= "org.freedesktop.systemd1.Socket",
561 *listen_property
= "Listen";
562 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
563 DBusMessageIter iter
, sub
;
566 r
= bus_method_call_with_reply(bus
,
567 "org.freedesktop.systemd1",
569 "org.freedesktop.DBus.Properties",
573 DBUS_TYPE_STRING
, &interface
,
574 DBUS_TYPE_STRING
, &listen_property
,
579 if (!dbus_message_iter_init(reply
, &iter
) ||
580 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
581 log_error("Failed to parse reply.");
585 dbus_message_iter_recurse(&iter
, &sub
);
586 dbus_message_iter_recurse(&sub
, &iter
);
589 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
590 DBusMessageIter sub2
;
591 const char *type
, *path
;
593 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
594 log_error("Failed to parse reply.");
598 dbus_message_iter_recurse(&sub
, &sub2
);
600 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) >= 0 &&
601 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, false) >= 0) {
602 r
= strv_extend(listen
, type
);
606 r
= strv_extend(listen
, path
);
613 dbus_message_iter_next(&sub
);
625 /* Note: triggered is a list here, although it almost certainly
626 * will always be one unit. Nevertheless, dbus API allows for multiple
627 * values, so let's follow that.*/
630 /* The strv above is shared. free is set only in the first one. */
634 static int socket_info_compare(struct socket_info
*a
, struct socket_info
*b
) {
635 int o
= strcmp(a
->path
, b
->path
);
637 o
= strcmp(a
->type
, b
->type
);
641 static int output_sockets_list(struct socket_info
*socket_infos
, unsigned cs
) {
642 struct socket_info
*s
;
643 unsigned pathlen
= sizeof("LISTEN") - 1,
644 typelen
= (sizeof("TYPE") - 1) * arg_show_types
,
645 socklen
= sizeof("UNIT") - 1,
646 servlen
= sizeof("ACTIVATES") - 1;
647 const char *on
, *off
;
649 for (s
= socket_infos
; s
< socket_infos
+ cs
; s
++) {
653 socklen
= MAX(socklen
, strlen(s
->id
));
655 typelen
= MAX(typelen
, strlen(s
->type
));
656 pathlen
= MAX(pathlen
, strlen(s
->path
));
658 STRV_FOREACH(a
, s
->triggered
)
659 tmp
+= strlen(*a
) + 2*(a
!= s
->triggered
);
660 servlen
= MAX(servlen
, tmp
);
665 printf("%-*s %-*.*s%-*s %s\n",
667 typelen
+ arg_show_types
, typelen
+ arg_show_types
, "TYPE ",
671 for (s
= socket_infos
; s
< socket_infos
+ cs
; s
++) {
675 printf("%-*s %-*s %-*s",
676 pathlen
, s
->path
, typelen
, s
->type
, socklen
, s
->id
);
679 pathlen
, s
->path
, socklen
, s
->id
);
680 STRV_FOREACH(a
, s
->triggered
)
682 a
== s
->triggered
? "" : ",", *a
);
686 on
= ansi_highlight(true);
687 off
= ansi_highlight(false);
691 on
= ansi_highlight_red(true);
692 off
= ansi_highlight_red(false);
695 if (!arg_no_legend
) {
696 printf("%s%u sockets listed.%s\n", on
, cs
, off
);
698 printf("Pass --all to see loaded but inactive sockets, too.\n");
704 static int list_sockets(DBusConnection
*bus
, char **args
) {
705 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
706 _cleanup_free_
struct unit_info
*unit_infos
= NULL
;
707 struct socket_info
*socket_infos
= NULL
;
708 const struct unit_info
*u
;
709 struct socket_info
*s
;
710 unsigned cu
= 0, cs
= 0;
714 pager_open_if_enabled();
716 r
= get_unit_list(bus
, &reply
, &unit_infos
, &cu
);
720 for (u
= unit_infos
; u
< unit_infos
+ cu
; u
++) {
722 _cleanup_strv_free_
char **listen
= NULL
, **triggered
= NULL
;
725 if (!output_show_unit(u
))
728 if ((dot
= strrchr(u
->id
, '.')) && !streq(dot
+1, "socket"))
731 r
= get_triggered_units(bus
, u
->unit_path
, &triggered
);
735 r
= get_listening(bus
, u
->unit_path
, &listen
, &c
);
739 if (!GREEDY_REALLOC(socket_infos
, size
, cs
+ c
)) {
744 for (i
= 0; i
< c
; i
++)
745 socket_infos
[cs
+ i
] = (struct socket_info
) {
748 .path
= listen
[i
*2 + 1],
749 .triggered
= triggered
,
750 .own_triggered
= i
==0,
753 /* from this point on we will cleanup those socket_infos */
756 listen
= triggered
= NULL
; /* avoid cleanup */
759 qsort(socket_infos
, cs
, sizeof(struct socket_info
),
760 (__compar_fn_t
) socket_info_compare
);
762 output_sockets_list(socket_infos
, cs
);
765 assert(cs
== 0 || socket_infos
);
766 for (s
= socket_infos
; s
< socket_infos
+ cs
; s
++) {
769 if (s
->own_triggered
)
770 strv_free(s
->triggered
);
777 static int compare_unit_file_list(const void *a
, const void *b
) {
779 const UnitFileList
*u
= a
, *v
= b
;
781 d1
= strrchr(u
->path
, '.');
782 d2
= strrchr(v
->path
, '.');
787 r
= strcasecmp(d1
, d2
);
792 return strcasecmp(path_get_file_name(u
->path
), path_get_file_name(v
->path
));
795 static bool output_show_unit_file(const UnitFileList
*u
) {
798 return !arg_types
|| ((dot
= strrchr(u
->path
, '.')) && strv_find(arg_types
, dot
+1));
801 static void output_unit_file_list(const UnitFileList
*units
, unsigned c
) {
802 unsigned max_id_len
, id_cols
, state_cols
, n_shown
= 0;
803 const UnitFileList
*u
;
805 max_id_len
= sizeof("UNIT FILE")-1;
806 state_cols
= sizeof("STATE")-1;
807 for (u
= units
; u
< units
+ c
; u
++) {
808 if (!output_show_unit_file(u
))
811 max_id_len
= MAX(max_id_len
, strlen(path_get_file_name(u
->path
)));
812 state_cols
= MAX(state_cols
, strlen(unit_file_state_to_string(u
->state
)));
817 id_cols
= MIN(max_id_len
, 25u);
818 basic_cols
= 1 + id_cols
+ state_cols
;
819 if (basic_cols
< (unsigned) columns())
820 id_cols
+= MIN(columns() - basic_cols
, max_id_len
- id_cols
);
822 id_cols
= max_id_len
;
825 printf("%-*s %-*s\n", id_cols
, "UNIT FILE", state_cols
, "STATE");
827 for (u
= units
; u
< units
+ c
; u
++) {
828 _cleanup_free_
char *e
= NULL
;
829 const char *on
, *off
;
832 if (!output_show_unit_file(u
))
837 if (u
->state
== UNIT_FILE_MASKED
||
838 u
->state
== UNIT_FILE_MASKED_RUNTIME
||
839 u
->state
== UNIT_FILE_DISABLED
||
840 u
->state
== UNIT_FILE_INVALID
) {
841 on
= ansi_highlight_red(true);
842 off
= ansi_highlight_red(false);
843 } else if (u
->state
== UNIT_FILE_ENABLED
) {
844 on
= ansi_highlight_green(true);
845 off
= ansi_highlight_green(false);
849 id
= path_get_file_name(u
->path
);
851 e
= arg_full
? NULL
: ellipsize(id
, id_cols
, 33);
853 printf("%-*s %s%-*s%s\n",
855 on
, state_cols
, unit_file_state_to_string(u
->state
), off
);
859 printf("\n%u unit files listed.\n", n_shown
);
862 static int list_unit_files(DBusConnection
*bus
, char **args
) {
863 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
864 _cleanup_free_ UnitFileList
*units
= NULL
;
865 DBusMessageIter iter
, sub
, sub2
;
866 unsigned c
= 0, n_units
= 0;
869 pager_open_if_enabled();
876 h
= hashmap_new(string_hash_func
, string_compare_func
);
880 r
= unit_file_get_list(arg_scope
, arg_root
, h
);
882 unit_file_list_free(h
);
883 log_error("Failed to get unit file list: %s", strerror(-r
));
887 n_units
= hashmap_size(h
);
888 units
= new(UnitFileList
, n_units
);
890 unit_file_list_free(h
);
894 HASHMAP_FOREACH(u
, h
, i
) {
895 memcpy(units
+ c
++, u
, sizeof(UnitFileList
));
901 r
= bus_method_call_with_reply(
903 "org.freedesktop.systemd1",
904 "/org/freedesktop/systemd1",
905 "org.freedesktop.systemd1.Manager",
913 if (!dbus_message_iter_init(reply
, &iter
) ||
914 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
915 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
916 log_error("Failed to parse reply.");
920 dbus_message_iter_recurse(&iter
, &sub
);
922 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
926 assert(dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
);
931 n_units
= MAX(2*c
, 16u);
932 w
= realloc(units
, sizeof(struct UnitFileList
) * n_units
);
941 dbus_message_iter_recurse(&sub
, &sub2
);
943 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->path
, true) < 0 ||
944 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &state
, false) < 0) {
945 log_error("Failed to parse reply.");
949 u
->state
= unit_file_state_from_string(state
);
951 dbus_message_iter_next(&sub
);
957 qsort(units
, c
, sizeof(UnitFileList
), compare_unit_file_list
);
958 output_unit_file_list(units
, c
);
964 static int list_dependencies_print(const char *name
, int level
, unsigned int branches
, bool last
) {
966 _cleanup_free_
char *n
= NULL
;
968 size_t max_len
= MAX(columns(),20u);
971 for (i
= level
- 1; i
>= 0; i
--) {
973 if(len
> max_len
- 3 && !arg_full
) {
974 printf("%s...\n",max_len
% 2 ? "" : " ");
977 printf("%s", draw_special_char(branches
& (1 << i
) ? DRAW_TREE_VERT
: DRAW_TREE_SPACE
));
980 if(len
> max_len
- 3 && !arg_full
) {
981 printf("%s...\n",max_len
% 2 ? "" : " ");
984 printf("%s", draw_special_char(last
? DRAW_TREE_RIGHT
: DRAW_TREE_BRANCH
));
988 printf("%s\n", name
);
992 n
= ellipsize(name
, max_len
-len
, 100);
1000 static int list_dependencies_get_dependencies(DBusConnection
*bus
, const char *name
, char ***deps
) {
1001 static const char *dependencies
[] = {
1002 [DEPENDENCY_FORWARD
] = "Requires\0"
1003 "RequiresOverridable\0"
1005 "RequisiteOverridable\0"
1007 [DEPENDENCY_REVERSE
] = "RequiredBy\0"
1008 "RequiredByOverridable\0"
1011 [DEPENDENCY_AFTER
] = "After\0",
1012 [DEPENDENCY_BEFORE
] = "Before\0",
1015 _cleanup_free_
char *path
;
1016 const char *interface
= "org.freedesktop.systemd1.Unit";
1018 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1019 DBusMessageIter iter
, sub
, sub2
, sub3
;
1028 path
= unit_dbus_path_from_name(name
);
1034 r
= bus_method_call_with_reply(
1036 "org.freedesktop.systemd1",
1038 "org.freedesktop.DBus.Properties",
1042 DBUS_TYPE_STRING
, &interface
,
1047 if (!dbus_message_iter_init(reply
, &iter
) ||
1048 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
1049 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_DICT_ENTRY
) {
1050 log_error("Failed to parse reply.");
1055 dbus_message_iter_recurse(&iter
, &sub
);
1057 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
1060 assert(dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_DICT_ENTRY
);
1061 dbus_message_iter_recurse(&sub
, &sub2
);
1063 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &prop
, true) < 0) {
1064 log_error("Failed to parse reply.");
1069 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_VARIANT
) {
1070 log_error("Failed to parse reply.");
1075 dbus_message_iter_recurse(&sub2
, &sub3
);
1076 dbus_message_iter_next(&sub
);
1078 assert(arg_dependency
< ELEMENTSOF(dependencies
));
1079 if (!nulstr_contains(dependencies
[arg_dependency
], prop
))
1082 if (dbus_message_iter_get_arg_type(&sub3
) == DBUS_TYPE_ARRAY
) {
1083 if (dbus_message_iter_get_element_type(&sub3
) == DBUS_TYPE_STRING
) {
1084 DBusMessageIter sub4
;
1085 dbus_message_iter_recurse(&sub3
, &sub4
);
1087 while (dbus_message_iter_get_arg_type(&sub4
) != DBUS_TYPE_INVALID
) {
1090 assert(dbus_message_iter_get_arg_type(&sub4
) == DBUS_TYPE_STRING
);
1091 dbus_message_iter_get_basic(&sub4
, &s
);
1093 r
= strv_extend(&ret
, s
);
1099 dbus_message_iter_next(&sub4
);
1112 static int list_dependencies_compare(const void *_a
, const void *_b
) {
1113 const char **a
= (const char**) _a
, **b
= (const char**) _b
;
1114 if (unit_name_to_type(*a
) == UNIT_TARGET
&& unit_name_to_type(*b
) != UNIT_TARGET
)
1116 if (unit_name_to_type(*a
) != UNIT_TARGET
&& unit_name_to_type(*b
) == UNIT_TARGET
)
1118 return strcasecmp(*a
, *b
);
1121 static int list_dependencies_one(DBusConnection
*bus
, const char *name
, int level
, char ***units
, unsigned int branches
) {
1122 _cleanup_strv_free_
char **deps
= NULL
, **u
;
1126 u
= strv_append(*units
, name
);
1130 r
= list_dependencies_get_dependencies(bus
, name
, &deps
);
1134 qsort(deps
, strv_length(deps
), sizeof (char*), list_dependencies_compare
);
1136 STRV_FOREACH(c
, deps
) {
1137 if (strv_contains(u
, *c
)) {
1139 r
= list_dependencies_print("...", level
+ 1, (branches
<< 1) | (c
[1] == NULL
? 0 : 1), 1);
1146 r
= list_dependencies_print(*c
, level
, branches
, c
[1] == NULL
);
1150 if (arg_all
|| unit_name_to_type(*c
) == UNIT_TARGET
) {
1151 r
= list_dependencies_one(bus
, *c
, level
+ 1, &u
, (branches
<< 1) | (c
[1] == NULL
? 0 : 1));
1164 static int list_dependencies(DBusConnection
*bus
, char **args
) {
1165 _cleanup_free_
char *unit
= NULL
;
1166 _cleanup_strv_free_
char **units
= NULL
;
1172 unit
= unit_name_mangle(args
[1]);
1177 u
= SPECIAL_DEFAULT_TARGET
;
1179 pager_open_if_enabled();
1183 return list_dependencies_one(bus
, u
, 0, &units
, 0);
1186 static int get_default(DBusConnection
*bus
, char **args
) {
1188 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1190 _cleanup_dbus_error_free_ DBusError error
;
1192 dbus_error_init(&error
);
1194 if (!bus
|| avoid_bus()) {
1195 r
= unit_file_get_default(arg_scope
, arg_root
, &path
);
1198 log_error("Operation failed: %s", strerror(-r
));
1204 r
= bus_method_call_with_reply(
1206 "org.freedesktop.systemd1",
1207 "/org/freedesktop/systemd1",
1208 "org.freedesktop.systemd1.Manager",
1215 log_error("Operation failed: %s", strerror(-r
));
1219 if (!dbus_message_get_args(reply
, &error
,
1220 DBUS_TYPE_STRING
, &path
,
1221 DBUS_TYPE_INVALID
)) {
1222 log_error("Failed to parse reply: %s", bus_error_message(&error
));
1223 dbus_error_free(&error
);
1229 printf("%s\n", path
);
1232 if ((!bus
|| avoid_bus()) && path
)
1241 char *name
, *type
, *state
;
1244 static void list_jobs_print(struct job_info
* jobs
, size_t n
) {
1247 const char *on
, *off
;
1248 bool shorten
= false;
1250 assert(n
== 0 || jobs
);
1253 on
= ansi_highlight_green(true);
1254 off
= ansi_highlight_green(false);
1256 printf("%sNo jobs running.%s\n", on
, off
);
1260 pager_open_if_enabled();
1263 /* JOB UNIT TYPE STATE */
1264 unsigned l0
= 3, l1
= 4, l2
= 4, l3
= 5;
1266 for (i
= 0, j
= jobs
; i
< n
; i
++, j
++) {
1267 assert(j
->name
&& j
->type
&& j
->state
);
1268 l0
= MAX(l0
, DECIMAL_STR_WIDTH(j
->id
));
1269 l1
= MAX(l1
, strlen(j
->name
));
1270 l2
= MAX(l2
, strlen(j
->type
));
1271 l3
= MAX(l3
, strlen(j
->state
));
1274 if (!arg_full
&& l0
+ 1 + l1
+ l2
+ 1 + l3
> columns()) {
1275 l1
= MAX(33u, columns() - l0
- l2
- l3
- 3);
1280 printf("%*s %-*s %-*s %-*s\n",
1286 for (i
= 0, j
= jobs
; i
< n
; i
++, j
++) {
1287 _cleanup_free_
char *e
= NULL
;
1289 if (streq(j
->state
, "running")) {
1290 on
= ansi_highlight(true);
1291 off
= ansi_highlight(false);
1295 e
= shorten
? ellipsize(j
->name
, l1
, 33) : NULL
;
1296 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
1298 on
, l1
, e
? e
: j
->name
, off
,
1300 on
, l3
, j
->state
, off
);
1304 on
= ansi_highlight(true);
1305 off
= ansi_highlight(false);
1308 printf("\n%s%zu jobs listed%s.\n", on
, n
, off
);
1311 static int list_jobs(DBusConnection
*bus
, char **args
) {
1312 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1313 DBusMessageIter iter
, sub
, sub2
;
1315 struct job_info
*jobs
= NULL
;
1316 size_t size
= 0, used
= 0;
1318 r
= bus_method_call_with_reply(
1320 "org.freedesktop.systemd1",
1321 "/org/freedesktop/systemd1",
1322 "org.freedesktop.systemd1.Manager",
1330 if (!dbus_message_iter_init(reply
, &iter
) ||
1331 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
1332 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
1333 log_error("Failed to parse reply.");
1337 dbus_message_iter_recurse(&iter
, &sub
);
1339 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
1340 const char *name
, *type
, *state
, *job_path
, *unit_path
;
1343 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
1344 log_error("Failed to parse reply.");
1348 dbus_message_iter_recurse(&sub
, &sub2
);
1350 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &id
, true) < 0 ||
1351 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &name
, true) < 0 ||
1352 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) < 0 ||
1353 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &state
, true) < 0 ||
1354 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &job_path
, true) < 0 ||
1355 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &unit_path
, false) < 0) {
1356 log_error("Failed to parse reply.");
1361 if (!GREEDY_REALLOC(jobs
, size
, used
+ 1)) {
1366 jobs
[used
++] = (struct job_info
) { id
,
1370 if (!jobs
[used
-1].name
|| !jobs
[used
-1].type
|| !jobs
[used
-1].state
) {
1375 dbus_message_iter_next(&sub
);
1378 list_jobs_print(jobs
, used
);
1382 free(jobs
[used
].name
);
1383 free(jobs
[used
].type
);
1384 free(jobs
[used
].state
);
1391 static int cancel_job(DBusConnection
*bus
, char **args
) {
1396 if (strv_length(args
) <= 1)
1397 return daemon_reload(bus
, args
);
1399 STRV_FOREACH(name
, args
+1) {
1403 r
= safe_atou32(*name
, &id
);
1405 log_error("Failed to parse job id: %s", strerror(-r
));
1409 r
= bus_method_call_with_reply(
1411 "org.freedesktop.systemd1",
1412 "/org/freedesktop/systemd1",
1413 "org.freedesktop.systemd1.Manager",
1417 DBUS_TYPE_UINT32
, &id
,
1426 static int need_daemon_reload(DBusConnection
*bus
, const char *unit
) {
1427 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1428 _cleanup_dbus_error_free_ DBusError error
;
1429 dbus_bool_t b
= FALSE
;
1430 DBusMessageIter iter
, sub
;
1432 *interface
= "org.freedesktop.systemd1.Unit",
1433 *property
= "NeedDaemonReload",
1435 _cleanup_free_
char *n
= NULL
;
1438 dbus_error_init(&error
);
1440 /* We ignore all errors here, since this is used to show a warning only */
1442 n
= unit_name_mangle(unit
);
1446 r
= bus_method_call_with_reply(
1448 "org.freedesktop.systemd1",
1449 "/org/freedesktop/systemd1",
1450 "org.freedesktop.systemd1.Manager",
1454 DBUS_TYPE_STRING
, &n
,
1459 if (!dbus_message_get_args(reply
, NULL
,
1460 DBUS_TYPE_OBJECT_PATH
, &path
,
1464 dbus_message_unref(reply
);
1467 r
= bus_method_call_with_reply(
1469 "org.freedesktop.systemd1",
1471 "org.freedesktop.DBus.Properties",
1475 DBUS_TYPE_STRING
, &interface
,
1476 DBUS_TYPE_STRING
, &property
,
1481 if (!dbus_message_iter_init(reply
, &iter
) ||
1482 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
)
1485 dbus_message_iter_recurse(&iter
, &sub
);
1486 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_BOOLEAN
)
1489 dbus_message_iter_get_basic(&sub
, &b
);
1493 typedef struct WaitData
{
1500 static DBusHandlerResult
wait_filter(DBusConnection
*connection
, DBusMessage
*message
, void *data
) {
1501 _cleanup_dbus_error_free_ DBusError error
;
1504 dbus_error_init(&error
);
1510 log_debug("Got D-Bus request: %s.%s() on %s",
1511 dbus_message_get_interface(message
),
1512 dbus_message_get_member(message
),
1513 dbus_message_get_path(message
));
1515 if (dbus_message_is_signal(message
, DBUS_INTERFACE_LOCAL
, "Disconnected")) {
1516 log_error("Warning! D-Bus connection terminated.");
1517 dbus_connection_close(connection
);
1519 } else if (dbus_message_is_signal(message
, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1521 const char *path
, *result
, *unit
;
1523 if (dbus_message_get_args(message
, &error
,
1524 DBUS_TYPE_UINT32
, &id
,
1525 DBUS_TYPE_OBJECT_PATH
, &path
,
1526 DBUS_TYPE_STRING
, &unit
,
1527 DBUS_TYPE_STRING
, &result
,
1528 DBUS_TYPE_INVALID
)) {
1530 free(set_remove(d
->set
, (char*) path
));
1532 if (!isempty(result
))
1533 d
->result
= strdup(result
);
1536 d
->name
= strdup(unit
);
1538 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
1541 dbus_error_free(&error
);
1542 if (dbus_message_get_args(message
, &error
,
1543 DBUS_TYPE_UINT32
, &id
,
1544 DBUS_TYPE_OBJECT_PATH
, &path
,
1545 DBUS_TYPE_STRING
, &result
,
1546 DBUS_TYPE_INVALID
)) {
1547 /* Compatibility with older systemd versions <
1548 * 183 during upgrades. This should be dropped
1550 free(set_remove(d
->set
, (char*) path
));
1553 d
->result
= strdup(result
);
1555 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
1559 log_error("Failed to parse message: %s", bus_error_message(&error
));
1562 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
1565 static int enable_wait_for_jobs(DBusConnection
*bus
) {
1573 dbus_error_init(&error
);
1574 dbus_bus_add_match(bus
,
1576 "sender='org.freedesktop.systemd1',"
1577 "interface='org.freedesktop.systemd1.Manager',"
1578 "member='JobRemoved',"
1579 "path='/org/freedesktop/systemd1'",
1582 if (dbus_error_is_set(&error
)) {
1583 log_error("Failed to add match: %s", bus_error_message(&error
));
1584 dbus_error_free(&error
);
1588 /* This is slightly dirty, since we don't undo the match registrations. */
1592 static int wait_for_jobs(DBusConnection
*bus
, Set
*s
) {
1594 WaitData d
= { .set
= s
};
1599 if (!dbus_connection_add_filter(bus
, wait_filter
, &d
, NULL
))
1602 while (!set_isempty(s
)) {
1604 if (!dbus_connection_read_write_dispatch(bus
, -1)) {
1605 log_error("Disconnected from bus.");
1606 return -ECONNREFUSED
;
1613 if (streq(d
.result
, "timeout"))
1614 log_error("Job for %s timed out.", strna(d
.name
));
1615 else if (streq(d
.result
, "canceled"))
1616 log_error("Job for %s canceled.", strna(d
.name
));
1617 else if (streq(d
.result
, "dependency"))
1618 log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d
.name
));
1619 else if (!streq(d
.result
, "done") && !streq(d
.result
, "skipped"))
1620 log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d
.name
), strna(d
.name
));
1623 if (streq_ptr(d
.result
, "timeout"))
1625 else if (streq_ptr(d
.result
, "canceled"))
1627 else if (!streq_ptr(d
.result
, "done") && !streq_ptr(d
.result
, "skipped"))
1638 dbus_connection_remove_filter(bus
, wait_filter
, &d
);
1642 static int check_one_unit(DBusConnection
*bus
, const char *name
, char **check_states
, bool quiet
) {
1643 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1644 _cleanup_free_
char *n
= NULL
;
1645 DBusMessageIter iter
, sub
;
1647 *interface
= "org.freedesktop.systemd1.Unit",
1648 *property
= "ActiveState";
1649 const char *state
, *path
;
1655 dbus_error_init(&error
);
1657 n
= unit_name_mangle(name
);
1661 r
= bus_method_call_with_reply (
1663 "org.freedesktop.systemd1",
1664 "/org/freedesktop/systemd1",
1665 "org.freedesktop.systemd1.Manager",
1669 DBUS_TYPE_STRING
, &n
,
1672 dbus_error_free(&error
);
1679 if (!dbus_message_get_args(reply
, NULL
,
1680 DBUS_TYPE_OBJECT_PATH
, &path
,
1681 DBUS_TYPE_INVALID
)) {
1682 log_error("Failed to parse reply.");
1686 dbus_message_unref(reply
);
1689 r
= bus_method_call_with_reply(
1691 "org.freedesktop.systemd1",
1693 "org.freedesktop.DBus.Properties",
1697 DBUS_TYPE_STRING
, &interface
,
1698 DBUS_TYPE_STRING
, &property
,
1706 if (!dbus_message_iter_init(reply
, &iter
) ||
1707 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
1708 log_error("Failed to parse reply.");
1712 dbus_message_iter_recurse(&iter
, &sub
);
1714 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
1715 log_error("Failed to parse reply.");
1719 dbus_message_iter_get_basic(&sub
, &state
);
1724 return strv_find(check_states
, state
) ? 1 : 0;
1727 static void check_triggering_units(
1728 DBusConnection
*bus
,
1729 const char *unit_name
) {
1731 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1732 DBusMessageIter iter
, sub
;
1733 const char *interface
= "org.freedesktop.systemd1.Unit",
1734 *load_state_property
= "LoadState",
1735 *triggered_by_property
= "TriggeredBy",
1737 _cleanup_free_
char *unit_path
= NULL
, *n
= NULL
;
1738 bool print_warning_label
= true;
1741 n
= unit_name_mangle(unit_name
);
1747 unit_path
= unit_dbus_path_from_name(n
);
1753 r
= bus_method_call_with_reply(
1755 "org.freedesktop.systemd1",
1757 "org.freedesktop.DBus.Properties",
1761 DBUS_TYPE_STRING
, &interface
,
1762 DBUS_TYPE_STRING
, &load_state_property
,
1767 if (!dbus_message_iter_init(reply
, &iter
) ||
1768 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
1769 log_error("Failed to parse reply.");
1773 dbus_message_iter_recurse(&iter
, &sub
);
1775 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
1776 log_error("Failed to parse reply.");
1780 dbus_message_iter_get_basic(&sub
, &state
);
1782 if (streq(state
, "masked"))
1785 dbus_message_unref(reply
);
1788 r
= bus_method_call_with_reply(
1790 "org.freedesktop.systemd1",
1792 "org.freedesktop.DBus.Properties",
1796 DBUS_TYPE_STRING
, &interface
,
1797 DBUS_TYPE_STRING
, &triggered_by_property
,
1802 if (!dbus_message_iter_init(reply
, &iter
) ||
1803 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
1804 log_error("Failed to parse reply.");
1808 dbus_message_iter_recurse(&iter
, &sub
);
1809 dbus_message_iter_recurse(&sub
, &iter
);
1812 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
1813 const char * const check_states
[] = {
1818 const char *service_trigger
;
1820 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
1821 log_error("Failed to parse reply.");
1825 dbus_message_iter_get_basic(&sub
, &service_trigger
);
1827 r
= check_one_unit(bus
, service_trigger
, (char**) check_states
, true);
1831 if (print_warning_label
) {
1832 log_warning("Warning: Stopping %s, but it can still be activated by:", unit_name
);
1833 print_warning_label
= false;
1836 log_warning(" %s", service_trigger
);
1839 dbus_message_iter_next(&sub
);
1843 static int start_unit_one(
1844 DBusConnection
*bus
,
1851 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
1852 _cleanup_free_
char *n
;
1861 n
= unit_name_mangle(name
);
1865 r
= bus_method_call_with_reply(
1867 "org.freedesktop.systemd1",
1868 "/org/freedesktop/systemd1",
1869 "org.freedesktop.systemd1.Manager",
1873 DBUS_TYPE_STRING
, &n
,
1874 DBUS_TYPE_STRING
, &mode
,
1877 if (r
== -ENOENT
&& arg_action
!= ACTION_SYSTEMCTL
)
1878 /* There's always a fallback possible for
1879 * legacy actions. */
1882 log_error("Failed to issue method call: %s", bus_error_message(error
));
1887 if (!dbus_message_get_args(reply
, error
,
1888 DBUS_TYPE_OBJECT_PATH
, &path
,
1889 DBUS_TYPE_INVALID
)) {
1890 log_error("Failed to parse reply: %s", bus_error_message(error
));
1894 if (need_daemon_reload(bus
, n
) > 0)
1895 log_warning("Warning: Unit file of %s changed on disk, 'systemctl %sdaemon-reload' recommended.",
1896 n
, arg_scope
== UNIT_FILE_SYSTEM
? "" : "--user ");
1905 r
= set_consume(s
, p
);
1907 log_error("Failed to add path to set.");
1915 static const struct {
1919 } action_table
[_ACTION_MAX
] = {
1920 [ACTION_HALT
] = { SPECIAL_HALT_TARGET
, "halt", "replace-irreversibly" },
1921 [ACTION_POWEROFF
] = { SPECIAL_POWEROFF_TARGET
, "poweroff", "replace-irreversibly" },
1922 [ACTION_REBOOT
] = { SPECIAL_REBOOT_TARGET
, "reboot", "replace-irreversibly" },
1923 [ACTION_KEXEC
] = { SPECIAL_KEXEC_TARGET
, "kexec", "replace-irreversibly" },
1924 [ACTION_RUNLEVEL2
] = { SPECIAL_RUNLEVEL2_TARGET
, NULL
, "isolate" },
1925 [ACTION_RUNLEVEL3
] = { SPECIAL_RUNLEVEL3_TARGET
, NULL
, "isolate" },
1926 [ACTION_RUNLEVEL4
] = { SPECIAL_RUNLEVEL4_TARGET
, NULL
, "isolate" },
1927 [ACTION_RUNLEVEL5
] = { SPECIAL_RUNLEVEL5_TARGET
, NULL
, "isolate" },
1928 [ACTION_RESCUE
] = { SPECIAL_RESCUE_TARGET
, "rescue", "isolate" },
1929 [ACTION_EMERGENCY
] = { SPECIAL_EMERGENCY_TARGET
, "emergency", "isolate" },
1930 [ACTION_DEFAULT
] = { SPECIAL_DEFAULT_TARGET
, "default", "isolate" },
1931 [ACTION_EXIT
] = { SPECIAL_EXIT_TARGET
, "exit", "replace-irreversibly" },
1932 [ACTION_SUSPEND
] = { SPECIAL_SUSPEND_TARGET
, "suspend", "replace-irreversibly" },
1933 [ACTION_HIBERNATE
] = { SPECIAL_HIBERNATE_TARGET
, "hibernate", "replace-irreversibly" },
1934 [ACTION_HYBRID_SLEEP
] = { SPECIAL_HYBRID_SLEEP_TARGET
, "hybrid-sleep", "replace-irreversibly" },
1937 static enum action
verb_to_action(const char *verb
) {
1940 for (i
= ACTION_INVALID
; i
< _ACTION_MAX
; i
++)
1941 if (action_table
[i
].verb
&& streq(verb
, action_table
[i
].verb
))
1943 return ACTION_INVALID
;
1946 static int start_unit(DBusConnection
*bus
, char **args
) {
1949 const char *method
, *mode
, *one_name
;
1950 _cleanup_set_free_free_ Set
*s
= NULL
;
1951 _cleanup_dbus_error_free_ DBusError error
;
1954 dbus_error_init(&error
);
1958 ask_password_agent_open_if_enabled();
1960 if (arg_action
== ACTION_SYSTEMCTL
) {
1963 streq(args
[0], "stop") ||
1964 streq(args
[0], "condstop") ? "StopUnit" :
1965 streq(args
[0], "reload") ? "ReloadUnit" :
1966 streq(args
[0], "restart") ? "RestartUnit" :
1968 streq(args
[0], "try-restart") ||
1969 streq(args
[0], "condrestart") ? "TryRestartUnit" :
1971 streq(args
[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
1973 streq(args
[0], "reload-or-try-restart") ||
1974 streq(args
[0], "condreload") ||
1976 streq(args
[0], "force-reload") ? "ReloadOrTryRestartUnit" :
1978 action
= verb_to_action(args
[0]);
1980 mode
= streq(args
[0], "isolate") ? "isolate" :
1981 action_table
[action
].mode
?: arg_job_mode
;
1983 one_name
= action_table
[action
].target
;
1986 assert(arg_action
< ELEMENTSOF(action_table
));
1987 assert(action_table
[arg_action
].target
);
1989 method
= "StartUnit";
1991 mode
= action_table
[arg_action
].mode
;
1992 one_name
= action_table
[arg_action
].target
;
1995 if (!arg_no_block
) {
1996 ret
= enable_wait_for_jobs(bus
);
1998 log_error("Could not watch jobs: %s", strerror(-ret
));
2002 s
= set_new(string_hash_func
, string_compare_func
);
2008 ret
= start_unit_one(bus
, method
, one_name
, mode
, &error
, s
);
2010 ret
= translate_bus_error_to_exit_status(ret
, &error
);
2012 STRV_FOREACH(name
, args
+1) {
2013 r
= start_unit_one(bus
, method
, *name
, mode
, &error
, s
);
2015 ret
= translate_bus_error_to_exit_status(r
, &error
);
2016 dbus_error_free(&error
);
2021 if (!arg_no_block
) {
2022 r
= wait_for_jobs(bus
, s
);
2026 /* When stopping units, warn if they can still be triggered by
2027 * another active unit (socket, path, timer) */
2028 if (!arg_quiet
&& streq(method
, "StopUnit")) {
2030 check_triggering_units(bus
, one_name
);
2032 STRV_FOREACH(name
, args
+1)
2033 check_triggering_units(bus
, *name
);
2040 /* Ask systemd-logind, which might grant access to unprivileged users
2041 * through PolicyKit */
2042 static int reboot_with_logind(DBusConnection
*bus
, enum action a
) {
2045 dbus_bool_t interactive
= true;
2050 polkit_agent_open_if_enabled();
2058 case ACTION_POWEROFF
:
2059 method
= "PowerOff";
2062 case ACTION_SUSPEND
:
2066 case ACTION_HIBERNATE
:
2067 method
= "Hibernate";
2070 case ACTION_HYBRID_SLEEP
:
2071 method
= "HybridSleep";
2078 return bus_method_call_with_reply(
2080 "org.freedesktop.login1",
2081 "/org/freedesktop/login1",
2082 "org.freedesktop.login1.Manager",
2086 DBUS_TYPE_BOOLEAN
, &interactive
,
2093 static int check_inhibitors(DBusConnection
*bus
, enum action a
) {
2095 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
2096 DBusMessageIter iter
, sub
, sub2
;
2099 _cleanup_strv_free_
char **sessions
= NULL
;
2105 if (arg_ignore_inhibitors
|| arg_force
> 0)
2117 r
= bus_method_call_with_reply(
2119 "org.freedesktop.login1",
2120 "/org/freedesktop/login1",
2121 "org.freedesktop.login1.Manager",
2127 /* If logind is not around, then there are no inhibitors... */
2130 if (!dbus_message_iter_init(reply
, &iter
) ||
2131 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
2132 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
2133 log_error("Failed to parse reply.");
2137 dbus_message_iter_recurse(&iter
, &sub
);
2138 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
2139 const char *what
, *who
, *why
, *mode
;
2141 _cleanup_strv_free_
char **sv
= NULL
;
2142 _cleanup_free_
char *comm
= NULL
, *user
= NULL
;
2144 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
2145 log_error("Failed to parse reply.");
2149 dbus_message_iter_recurse(&sub
, &sub2
);
2151 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &what
, true) < 0 ||
2152 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &who
, true) < 0 ||
2153 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &why
, true) < 0 ||
2154 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &mode
, true) < 0 ||
2155 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &uid
, true) < 0 ||
2156 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &pid
, false) < 0) {
2157 log_error("Failed to parse reply.");
2161 if (!streq(mode
, "block"))
2164 sv
= strv_split(what
, ":");
2168 if (!strv_contains(sv
,
2170 a
== ACTION_POWEROFF
||
2171 a
== ACTION_REBOOT
||
2172 a
== ACTION_KEXEC
? "shutdown" : "sleep"))
2175 get_process_comm(pid
, &comm
);
2176 user
= uid_to_name(uid
);
2177 log_warning("Operation inhibited by \"%s\" (PID %lu \"%s\", user %s), reason is \"%s\".",
2178 who
, (unsigned long) pid
, strna(comm
), strna(user
), why
);
2182 dbus_message_iter_next(&sub
);
2185 dbus_message_iter_recurse(&iter
, &sub
);
2187 /* Check for current sessions */
2188 sd_get_sessions(&sessions
);
2189 STRV_FOREACH(s
, sessions
) {
2191 _cleanup_free_
char *type
= NULL
, *tty
= NULL
, *seat
= NULL
, *user
= NULL
, *service
= NULL
, *class = NULL
;
2193 if (sd_session_get_uid(*s
, &uid
) < 0 || uid
== getuid())
2196 if (sd_session_get_class(*s
, &class) < 0 || !streq(class, "user"))
2199 if (sd_session_get_type(*s
, &type
) < 0 || (!streq(type
, "x11") && !streq(type
, "tty")))
2202 sd_session_get_tty(*s
, &tty
);
2203 sd_session_get_seat(*s
, &seat
);
2204 sd_session_get_service(*s
, &service
);
2205 user
= uid_to_name(uid
);
2207 log_warning("User %s is logged in on %s.", strna(user
), isempty(tty
) ? (isempty(seat
) ? strna(service
) : seat
) : tty
);
2214 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
2215 action_table
[a
].verb
);
2223 static int start_special(DBusConnection
*bus
, char **args
) {
2229 a
= verb_to_action(args
[0]);
2231 r
= check_inhibitors(bus
, a
);
2235 if (arg_force
>= 2 && geteuid() != 0) {
2236 log_error("Must be root.");
2240 if (arg_force
>= 2 &&
2241 (a
== ACTION_HALT
||
2242 a
== ACTION_POWEROFF
||
2243 a
== ACTION_REBOOT
))
2246 if (arg_force
>= 1 &&
2247 (a
== ACTION_HALT
||
2248 a
== ACTION_POWEROFF
||
2249 a
== ACTION_REBOOT
||
2250 a
== ACTION_KEXEC
||
2252 return daemon_reload(bus
, args
);
2254 /* first try logind, to allow authentication with polkit */
2255 if (geteuid() != 0 &&
2256 (a
== ACTION_POWEROFF
||
2257 a
== ACTION_REBOOT
||
2258 a
== ACTION_SUSPEND
||
2259 a
== ACTION_HIBERNATE
||
2260 a
== ACTION_HYBRID_SLEEP
)) {
2261 r
= reboot_with_logind(bus
, a
);
2266 r
= start_unit(bus
, args
);
2267 if (r
== EXIT_SUCCESS
)
2273 static int check_unit_active(DBusConnection
*bus
, char **args
) {
2274 const char * const check_states
[] = {
2281 int r
= 3; /* According to LSB: "program is not running" */
2286 STRV_FOREACH(name
, args
+1) {
2289 state
= check_one_unit(bus
, *name
, (char**) check_states
, arg_quiet
);
2299 static int check_unit_failed(DBusConnection
*bus
, char **args
) {
2300 const char * const check_states
[] = {
2311 STRV_FOREACH(name
, args
+1) {
2314 state
= check_one_unit(bus
, *name
, (char**) check_states
, arg_quiet
);
2324 static int kill_unit(DBusConnection
*bus
, char **args
) {
2332 arg_kill_who
= "all";
2334 STRV_FOREACH(name
, args
+1) {
2335 _cleanup_free_
char *n
= NULL
;
2337 n
= unit_name_mangle(*name
);
2341 r
= bus_method_call_with_reply(
2343 "org.freedesktop.systemd1",
2344 "/org/freedesktop/systemd1",
2345 "org.freedesktop.systemd1.Manager",
2349 DBUS_TYPE_STRING
, &n
,
2350 DBUS_TYPE_STRING
, &arg_kill_who
,
2351 DBUS_TYPE_INT32
, &arg_signal
,
2359 typedef struct ExecStatusInfo
{
2367 usec_t start_timestamp
;
2368 usec_t exit_timestamp
;
2373 LIST_FIELDS(struct ExecStatusInfo
, exec
);
2376 static void exec_status_info_free(ExecStatusInfo
*i
) {
2385 static int exec_status_info_deserialize(DBusMessageIter
*sub
, ExecStatusInfo
*i
) {
2386 uint64_t start_timestamp
, exit_timestamp
, start_timestamp_monotonic
, exit_timestamp_monotonic
;
2387 DBusMessageIter sub2
, sub3
;
2391 int32_t code
, status
;
2397 if (dbus_message_iter_get_arg_type(sub
) != DBUS_TYPE_STRUCT
)
2400 dbus_message_iter_recurse(sub
, &sub2
);
2402 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) < 0)
2405 i
->path
= strdup(path
);
2409 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_ARRAY
||
2410 dbus_message_iter_get_element_type(&sub2
) != DBUS_TYPE_STRING
)
2414 dbus_message_iter_recurse(&sub2
, &sub3
);
2415 while (dbus_message_iter_get_arg_type(&sub3
) != DBUS_TYPE_INVALID
) {
2416 assert(dbus_message_iter_get_arg_type(&sub3
) == DBUS_TYPE_STRING
);
2417 dbus_message_iter_next(&sub3
);
2421 i
->argv
= new0(char*, n
+1);
2426 dbus_message_iter_recurse(&sub2
, &sub3
);
2427 while (dbus_message_iter_get_arg_type(&sub3
) != DBUS_TYPE_INVALID
) {
2430 assert(dbus_message_iter_get_arg_type(&sub3
) == DBUS_TYPE_STRING
);
2431 dbus_message_iter_get_basic(&sub3
, &s
);
2432 dbus_message_iter_next(&sub3
);
2434 i
->argv
[n
] = strdup(s
);
2441 if (!dbus_message_iter_next(&sub2
) ||
2442 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &ignore
, true) < 0 ||
2443 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &start_timestamp
, true) < 0 ||
2444 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &start_timestamp_monotonic
, true) < 0 ||
2445 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &exit_timestamp
, true) < 0 ||
2446 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &exit_timestamp_monotonic
, true) < 0 ||
2447 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &pid
, true) < 0 ||
2448 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_INT32
, &code
, true) < 0 ||
2449 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_INT32
, &status
, false) < 0)
2453 i
->start_timestamp
= (usec_t
) start_timestamp
;
2454 i
->exit_timestamp
= (usec_t
) exit_timestamp
;
2455 i
->pid
= (pid_t
) pid
;
2462 typedef struct UnitStatusInfo
{
2464 const char *load_state
;
2465 const char *active_state
;
2466 const char *sub_state
;
2467 const char *unit_file_state
;
2469 const char *description
;
2470 const char *following
;
2472 char **documentation
;
2474 const char *fragment_path
;
2475 const char *source_path
;
2476 const char *control_group
;
2478 char **dropin_paths
;
2480 const char *load_error
;
2483 usec_t inactive_exit_timestamp
;
2484 usec_t inactive_exit_timestamp_monotonic
;
2485 usec_t active_enter_timestamp
;
2486 usec_t active_exit_timestamp
;
2487 usec_t inactive_enter_timestamp
;
2489 bool need_daemon_reload
;
2494 const char *status_text
;
2495 const char *pid_file
;
2498 usec_t start_timestamp
;
2499 usec_t exit_timestamp
;
2501 int exit_code
, exit_status
;
2503 usec_t condition_timestamp
;
2504 bool condition_result
;
2505 bool failed_condition_trigger
;
2506 bool failed_condition_negate
;
2507 const char *failed_condition
;
2508 const char *failed_condition_param
;
2511 unsigned n_accepted
;
2512 unsigned n_connections
;
2515 /* Pairs of type, path */
2519 const char *sysfs_path
;
2521 /* Mount, Automount */
2527 LIST_HEAD(ExecStatusInfo
, exec
);
2530 static void print_status_info(UnitStatusInfo
*i
) {
2532 const char *on
, *off
, *ss
;
2534 char since1
[FORMAT_TIMESTAMP_RELATIVE_MAX
], *s1
;
2535 char since2
[FORMAT_TIMESTAMP_MAX
], *s2
;
2538 arg_all
* OUTPUT_SHOW_ALL
|
2539 (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH
|
2540 on_tty() * OUTPUT_COLOR
|
2541 !arg_quiet
* OUTPUT_WARN_CUTOFF
|
2542 arg_full
* OUTPUT_FULL_WIDTH
;
2547 /* This shows pretty information about a unit. See
2548 * print_property() for a low-level property printer */
2550 printf("%s", strna(i
->id
));
2552 if (i
->description
&& !streq_ptr(i
->id
, i
->description
))
2553 printf(" - %s", i
->description
);
2558 printf(" Follow: unit currently follows state of %s\n", i
->following
);
2560 if (streq_ptr(i
->load_state
, "error")) {
2561 on
= ansi_highlight_red(true);
2562 off
= ansi_highlight_red(false);
2566 path
= i
->source_path
? i
->source_path
: i
->fragment_path
;
2569 printf(" Loaded: %s%s%s (Reason: %s)\n",
2570 on
, strna(i
->load_state
), off
, i
->load_error
);
2571 else if (path
&& i
->unit_file_state
)
2572 printf(" Loaded: %s%s%s (%s; %s)\n",
2573 on
, strna(i
->load_state
), off
, path
, i
->unit_file_state
);
2575 printf(" Loaded: %s%s%s (%s)\n",
2576 on
, strna(i
->load_state
), off
, path
);
2578 printf(" Loaded: %s%s%s\n",
2579 on
, strna(i
->load_state
), off
);
2581 if (!strv_isempty(i
->dropin_paths
)) {
2586 STRV_FOREACH(dropin
, i
->dropin_paths
) {
2587 if (! dir
|| last
) {
2588 printf(dir
? " " : " Drop-In: ");
2592 if (path_get_parent(*dropin
, &dir
) < 0) {
2597 printf("%s\n %s", dir
,
2598 draw_special_char(DRAW_TREE_RIGHT
));
2601 last
= ! (*(dropin
+ 1) && startswith(*(dropin
+ 1), dir
));
2603 printf("%s%s", path_get_file_name(*dropin
), last
? "\n" : ", ");
2609 ss
= streq_ptr(i
->active_state
, i
->sub_state
) ? NULL
: i
->sub_state
;
2611 if (streq_ptr(i
->active_state
, "failed")) {
2612 on
= ansi_highlight_red(true);
2613 off
= ansi_highlight_red(false);
2614 } else if (streq_ptr(i
->active_state
, "active") || streq_ptr(i
->active_state
, "reloading")) {
2615 on
= ansi_highlight_green(true);
2616 off
= ansi_highlight_green(false);
2621 printf(" Active: %s%s (%s)%s",
2622 on
, strna(i
->active_state
), ss
, off
);
2624 printf(" Active: %s%s%s",
2625 on
, strna(i
->active_state
), off
);
2627 if (!isempty(i
->result
) && !streq(i
->result
, "success"))
2628 printf(" (Result: %s)", i
->result
);
2630 timestamp
= (streq_ptr(i
->active_state
, "active") ||
2631 streq_ptr(i
->active_state
, "reloading")) ? i
->active_enter_timestamp
:
2632 (streq_ptr(i
->active_state
, "inactive") ||
2633 streq_ptr(i
->active_state
, "failed")) ? i
->inactive_enter_timestamp
:
2634 streq_ptr(i
->active_state
, "activating") ? i
->inactive_exit_timestamp
:
2635 i
->active_exit_timestamp
;
2637 s1
= format_timestamp_relative(since1
, sizeof(since1
), timestamp
);
2638 s2
= format_timestamp(since2
, sizeof(since2
), timestamp
);
2641 printf(" since %s; %s\n", s2
, s1
);
2643 printf(" since %s\n", s2
);
2647 if (!i
->condition_result
&& i
->condition_timestamp
> 0) {
2648 s1
= format_timestamp_relative(since1
, sizeof(since1
), i
->condition_timestamp
);
2649 s2
= format_timestamp(since2
, sizeof(since2
), i
->condition_timestamp
);
2651 printf(" start condition failed at %s%s%s\n",
2652 s2
, s1
? "; " : "", s1
? s1
: "");
2653 if (i
->failed_condition_trigger
)
2654 printf(" none of the trigger conditions were met\n");
2655 else if (i
->failed_condition
)
2656 printf(" %s=%s%s was not met\n",
2657 i
->failed_condition
,
2658 i
->failed_condition_negate
? "!" : "",
2659 i
->failed_condition_param
);
2663 printf(" Device: %s\n", i
->sysfs_path
);
2665 printf(" Where: %s\n", i
->where
);
2667 printf(" What: %s\n", i
->what
);
2669 STRV_FOREACH(t
, i
->documentation
)
2670 printf(" %*s %s\n", 9, t
== i
->documentation
? "Docs:" : "", *t
);
2672 STRV_FOREACH_PAIR(t
, t2
, i
->listen
)
2673 printf(" %*s %s (%s)\n", 9, t
== i
->listen
? "Listen:" : "", *t2
, *t
);
2676 printf(" Accepted: %u; Connected: %u\n", i
->n_accepted
, i
->n_connections
);
2678 LIST_FOREACH(exec
, p
, i
->exec
) {
2679 _cleanup_free_
char *argv
= NULL
;
2682 /* Only show exited processes here */
2686 argv
= strv_join(p
->argv
, " ");
2687 printf(" Process: %u %s=%s ", p
->pid
, p
->name
, strna(argv
));
2689 good
= is_clean_exit_lsb(p
->code
, p
->status
, NULL
);
2691 on
= ansi_highlight_red(true);
2692 off
= ansi_highlight_red(false);
2696 printf("%s(code=%s, ", on
, sigchld_code_to_string(p
->code
));
2698 if (p
->code
== CLD_EXITED
) {
2701 printf("status=%i", p
->status
);
2703 c
= exit_status_to_string(p
->status
, EXIT_STATUS_SYSTEMD
);
2708 printf("signal=%s", signal_to_string(p
->status
));
2710 printf(")%s\n", off
);
2712 if (i
->main_pid
== p
->pid
&&
2713 i
->start_timestamp
== p
->start_timestamp
&&
2714 i
->exit_timestamp
== p
->start_timestamp
)
2715 /* Let's not show this twice */
2718 if (p
->pid
== i
->control_pid
)
2722 if (i
->main_pid
> 0 || i
->control_pid
> 0) {
2723 if (i
->main_pid
> 0) {
2724 printf(" Main PID: %u", (unsigned) i
->main_pid
);
2727 _cleanup_free_
char *comm
= NULL
;
2728 get_process_comm(i
->main_pid
, &comm
);
2730 printf(" (%s)", comm
);
2731 } else if (i
->exit_code
> 0) {
2732 printf(" (code=%s, ", sigchld_code_to_string(i
->exit_code
));
2734 if (i
->exit_code
== CLD_EXITED
) {
2737 printf("status=%i", i
->exit_status
);
2739 c
= exit_status_to_string(i
->exit_status
, EXIT_STATUS_SYSTEMD
);
2744 printf("signal=%s", signal_to_string(i
->exit_status
));
2748 if (i
->control_pid
> 0)
2752 if (i
->control_pid
> 0) {
2753 _cleanup_free_
char *c
= NULL
;
2755 printf(" %8s: %u", i
->main_pid
? "" : " Control", (unsigned) i
->control_pid
);
2757 get_process_comm(i
->control_pid
, &c
);
2766 printf(" Status: \"%s\"\n", i
->status_text
);
2768 if (i
->control_group
&&
2769 (i
->main_pid
> 0 || i
->control_pid
> 0 || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER
, i
->control_group
, false) == 0)) {
2772 printf(" CGroup: %s\n", i
->control_group
);
2774 if (arg_transport
!= TRANSPORT_SSH
) {
2777 char prefix
[] = " ";
2780 if (c
> sizeof(prefix
) - 1)
2781 c
-= sizeof(prefix
) - 1;
2785 if (i
->main_pid
> 0)
2786 extra
[k
++] = i
->main_pid
;
2788 if (i
->control_pid
> 0)
2789 extra
[k
++] = i
->control_pid
;
2791 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER
, i
->control_group
, prefix
,
2792 c
, false, extra
, k
, flags
);
2796 if (i
->id
&& arg_transport
!= TRANSPORT_SSH
) {
2798 show_journal_by_unit(stdout
,
2802 i
->inactive_exit_timestamp_monotonic
,
2806 arg_scope
== UNIT_FILE_SYSTEM
);
2809 if (i
->need_daemon_reload
)
2810 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %sdaemon-reload' recommended.\n",
2811 ansi_highlight_red(true),
2812 ansi_highlight_red(false),
2813 arg_scope
== UNIT_FILE_SYSTEM
? "" : "--user ");
2816 static void show_unit_help(UnitStatusInfo
*i
) {
2821 if (!i
->documentation
) {
2822 log_info("Documentation for %s not known.", i
->id
);
2826 STRV_FOREACH(p
, i
->documentation
) {
2828 if (startswith(*p
, "man:")) {
2831 _cleanup_free_
char *page
= NULL
, *section
= NULL
;
2832 const char *args
[4] = { "man", NULL
, NULL
, NULL
};
2837 if ((*p
)[k
-1] == ')')
2838 e
= strrchr(*p
, '(');
2841 page
= strndup((*p
) + 4, e
- *p
- 4);
2842 section
= strndup(e
+ 1, *p
+ k
- e
- 2);
2843 if (!page
|| !section
) {
2855 log_error("Failed to fork: %m");
2861 execvp(args
[0], (char**) args
);
2862 log_error("Failed to execute man: %m");
2863 _exit(EXIT_FAILURE
);
2866 wait_for_terminate(pid
, NULL
);
2868 log_info("Can't show: %s", *p
);
2872 static int status_property(const char *name
, DBusMessageIter
*iter
, UnitStatusInfo
*i
) {
2878 switch (dbus_message_iter_get_arg_type(iter
)) {
2880 case DBUS_TYPE_STRING
: {
2883 dbus_message_iter_get_basic(iter
, &s
);
2886 if (streq(name
, "Id"))
2888 else if (streq(name
, "LoadState"))
2890 else if (streq(name
, "ActiveState"))
2891 i
->active_state
= s
;
2892 else if (streq(name
, "SubState"))
2894 else if (streq(name
, "Description"))
2896 else if (streq(name
, "FragmentPath"))
2897 i
->fragment_path
= s
;
2898 else if (streq(name
, "SourcePath"))
2901 else if (streq(name
, "DefaultControlGroup")) {
2903 e
= startswith(s
, SYSTEMD_CGROUP_CONTROLLER
":");
2905 i
->control_group
= e
;
2908 else if (streq(name
, "ControlGroup"))
2909 i
->control_group
= s
;
2910 else if (streq(name
, "StatusText"))
2912 else if (streq(name
, "PIDFile"))
2914 else if (streq(name
, "SysFSPath"))
2916 else if (streq(name
, "Where"))
2918 else if (streq(name
, "What"))
2920 else if (streq(name
, "Following"))
2922 else if (streq(name
, "UnitFileState"))
2923 i
->unit_file_state
= s
;
2924 else if (streq(name
, "Result"))
2931 case DBUS_TYPE_BOOLEAN
: {
2934 dbus_message_iter_get_basic(iter
, &b
);
2936 if (streq(name
, "Accept"))
2938 else if (streq(name
, "NeedDaemonReload"))
2939 i
->need_daemon_reload
= b
;
2940 else if (streq(name
, "ConditionResult"))
2941 i
->condition_result
= b
;
2946 case DBUS_TYPE_UINT32
: {
2949 dbus_message_iter_get_basic(iter
, &u
);
2951 if (streq(name
, "MainPID")) {
2953 i
->main_pid
= (pid_t
) u
;
2956 } else if (streq(name
, "ControlPID"))
2957 i
->control_pid
= (pid_t
) u
;
2958 else if (streq(name
, "ExecMainPID")) {
2960 i
->main_pid
= (pid_t
) u
;
2961 } else if (streq(name
, "NAccepted"))
2963 else if (streq(name
, "NConnections"))
2964 i
->n_connections
= u
;
2969 case DBUS_TYPE_INT32
: {
2972 dbus_message_iter_get_basic(iter
, &j
);
2974 if (streq(name
, "ExecMainCode"))
2975 i
->exit_code
= (int) j
;
2976 else if (streq(name
, "ExecMainStatus"))
2977 i
->exit_status
= (int) j
;
2982 case DBUS_TYPE_UINT64
: {
2985 dbus_message_iter_get_basic(iter
, &u
);
2987 if (streq(name
, "ExecMainStartTimestamp"))
2988 i
->start_timestamp
= (usec_t
) u
;
2989 else if (streq(name
, "ExecMainExitTimestamp"))
2990 i
->exit_timestamp
= (usec_t
) u
;
2991 else if (streq(name
, "ActiveEnterTimestamp"))
2992 i
->active_enter_timestamp
= (usec_t
) u
;
2993 else if (streq(name
, "InactiveEnterTimestamp"))
2994 i
->inactive_enter_timestamp
= (usec_t
) u
;
2995 else if (streq(name
, "InactiveExitTimestamp"))
2996 i
->inactive_exit_timestamp
= (usec_t
) u
;
2997 else if (streq(name
, "InactiveExitTimestampMonotonic"))
2998 i
->inactive_exit_timestamp_monotonic
= (usec_t
) u
;
2999 else if (streq(name
, "ActiveExitTimestamp"))
3000 i
->active_exit_timestamp
= (usec_t
) u
;
3001 else if (streq(name
, "ConditionTimestamp"))
3002 i
->condition_timestamp
= (usec_t
) u
;
3007 case DBUS_TYPE_ARRAY
: {
3009 if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&&
3010 startswith(name
, "Exec")) {
3011 DBusMessageIter sub
;
3013 dbus_message_iter_recurse(iter
, &sub
);
3014 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3015 ExecStatusInfo
*info
;
3018 info
= new0(ExecStatusInfo
, 1);
3022 info
->name
= strdup(name
);
3028 r
= exec_status_info_deserialize(&sub
, info
);
3034 LIST_PREPEND(ExecStatusInfo
, exec
, i
->exec
, info
);
3036 dbus_message_iter_next(&sub
);
3039 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&&
3040 streq(name
, "Listen")) {
3041 DBusMessageIter sub
, sub2
;
3043 dbus_message_iter_recurse(iter
, &sub
);
3044 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3045 const char *type
, *path
;
3047 dbus_message_iter_recurse(&sub
, &sub2
);
3049 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) >= 0 &&
3050 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, false) >= 0) {
3053 r
= strv_extend(&i
->listen
, type
);
3056 r
= strv_extend(&i
->listen
, path
);
3061 dbus_message_iter_next(&sub
);
3066 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRING
&&
3067 streq(name
, "DropInPaths")) {
3068 int r
= bus_parse_strv_iter(iter
, &i
->dropin_paths
);
3072 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRING
&&
3073 streq(name
, "Documentation")) {
3075 DBusMessageIter sub
;
3077 dbus_message_iter_recurse(iter
, &sub
);
3078 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
) {
3082 dbus_message_iter_get_basic(&sub
, &s
);
3084 r
= strv_extend(&i
->documentation
, s
);
3088 dbus_message_iter_next(&sub
);
3091 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&&
3092 streq(name
, "Conditions")) {
3093 DBusMessageIter sub
, sub2
;
3095 dbus_message_iter_recurse(iter
, &sub
);
3096 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3097 const char *cond
, *param
;
3098 dbus_bool_t trigger
, negate
;
3101 dbus_message_iter_recurse(&sub
, &sub2
);
3104 if(bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &cond
, true) >= 0 &&
3105 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &trigger
, true) >= 0 &&
3106 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &negate
, true) >= 0 &&
3107 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, ¶m
, true) >= 0 &&
3108 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_INT32
, &state
, false) >= 0) {
3109 log_debug("%s %d %d %s %d", cond
, trigger
, negate
, param
, state
);
3110 if (state
< 0 && (!trigger
|| !i
->failed_condition
)) {
3111 i
->failed_condition
= cond
;
3112 i
->failed_condition_trigger
= trigger
;
3113 i
->failed_condition_negate
= negate
;
3114 i
->failed_condition_param
= param
;
3118 dbus_message_iter_next(&sub
);
3125 case DBUS_TYPE_STRUCT
: {
3127 if (streq(name
, "LoadError")) {
3128 DBusMessageIter sub
;
3129 const char *n
, *message
;
3132 dbus_message_iter_recurse(iter
, &sub
);
3134 r
= bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &n
, true);
3138 r
= bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &message
, false);
3142 if (!isempty(message
))
3143 i
->load_error
= message
;
3153 static int print_property(const char *name
, DBusMessageIter
*iter
) {
3157 /* This is a low-level property printer, see
3158 * print_status_info() for the nicer output */
3160 if (arg_properties
&& !strv_find(arg_properties
, name
))
3163 switch (dbus_message_iter_get_arg_type(iter
)) {
3165 case DBUS_TYPE_STRUCT
: {
3166 DBusMessageIter sub
;
3167 dbus_message_iter_recurse(iter
, &sub
);
3169 if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_UINT32
&& streq(name
, "Job")) {
3172 dbus_message_iter_get_basic(&sub
, &u
);
3175 printf("%s=%u\n", name
, (unsigned) u
);
3177 printf("%s=\n", name
);
3180 } else if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
&& streq(name
, "Unit")) {
3183 dbus_message_iter_get_basic(&sub
, &s
);
3185 if (arg_all
|| s
[0])
3186 printf("%s=%s\n", name
, s
);
3189 } else if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
&& streq(name
, "LoadError")) {
3190 const char *a
= NULL
, *b
= NULL
;
3192 if (bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &a
, true) >= 0)
3193 bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &b
, false);
3195 if (arg_all
|| !isempty(a
) || !isempty(b
))
3196 printf("%s=%s \"%s\"\n", name
, strempty(a
), strempty(b
));
3204 case DBUS_TYPE_ARRAY
:
3206 if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "EnvironmentFiles")) {
3207 DBusMessageIter sub
, sub2
;
3209 dbus_message_iter_recurse(iter
, &sub
);
3210 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3214 dbus_message_iter_recurse(&sub
, &sub2
);
3216 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) >= 0 &&
3217 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &ignore
, false) >= 0)
3218 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path
, yes_no(ignore
));
3220 dbus_message_iter_next(&sub
);
3225 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "Paths")) {
3226 DBusMessageIter sub
, sub2
;
3228 dbus_message_iter_recurse(iter
, &sub
);
3230 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3231 const char *type
, *path
;
3233 dbus_message_iter_recurse(&sub
, &sub2
);
3235 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) >= 0 &&
3236 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, false) >= 0)
3237 printf("%s=%s\n", type
, path
);
3239 dbus_message_iter_next(&sub
);
3244 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "Listen")) {
3245 DBusMessageIter sub
, sub2
;
3247 dbus_message_iter_recurse(iter
, &sub
);
3248 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3249 const char *type
, *path
;
3251 dbus_message_iter_recurse(&sub
, &sub2
);
3253 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) >= 0 &&
3254 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, false) >= 0)
3255 printf("Listen%s=%s\n", type
, path
);
3257 dbus_message_iter_next(&sub
);
3262 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "Timers")) {
3263 DBusMessageIter sub
, sub2
;
3265 dbus_message_iter_recurse(iter
, &sub
);
3266 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3268 uint64_t value
, next_elapse
;
3270 dbus_message_iter_recurse(&sub
, &sub2
);
3272 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &base
, true) >= 0 &&
3273 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &value
, true) >= 0 &&
3274 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &next_elapse
, false) >= 0) {
3275 char timespan1
[FORMAT_TIMESPAN_MAX
], timespan2
[FORMAT_TIMESPAN_MAX
];
3277 printf("%s={ value=%s ; next_elapse=%s }\n",
3279 format_timespan(timespan1
, sizeof(timespan1
), value
, 0),
3280 format_timespan(timespan2
, sizeof(timespan2
), next_elapse
, 0));
3283 dbus_message_iter_next(&sub
);
3288 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& startswith(name
, "Exec")) {
3289 DBusMessageIter sub
;
3291 dbus_message_iter_recurse(iter
, &sub
);
3292 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3293 ExecStatusInfo info
= {};
3295 if (exec_status_info_deserialize(&sub
, &info
) >= 0) {
3296 char timestamp1
[FORMAT_TIMESTAMP_MAX
], timestamp2
[FORMAT_TIMESTAMP_MAX
];
3297 _cleanup_free_
char *t
;
3299 t
= strv_join(info
.argv
, " ");
3301 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
3305 yes_no(info
.ignore
),
3306 strna(format_timestamp(timestamp1
, sizeof(timestamp1
), info
.start_timestamp
)),
3307 strna(format_timestamp(timestamp2
, sizeof(timestamp2
), info
.exit_timestamp
)),
3308 (unsigned) info
. pid
,
3309 sigchld_code_to_string(info
.code
),
3311 info
.code
== CLD_EXITED
? "" : "/",
3312 strempty(info
.code
== CLD_EXITED
? NULL
: signal_to_string(info
.status
)));
3316 strv_free(info
.argv
);
3318 dbus_message_iter_next(&sub
);
3323 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "DeviceAllow")) {
3324 DBusMessageIter sub
, sub2
;
3326 dbus_message_iter_recurse(iter
, &sub
);
3327 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3328 const char *path
, *rwm
;
3330 dbus_message_iter_recurse(&sub
, &sub2
);
3332 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) >= 0 &&
3333 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &rwm
, false) >= 0)
3334 printf("%s=%s %s\n", name
, strna(path
), strna(rwm
));
3336 dbus_message_iter_next(&sub
);
3340 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& (streq(name
, "BlockIOReadBandwidth") || streq(name
, "BlockIOWriteBandwidth"))) {
3341 DBusMessageIter sub
, sub2
;
3343 dbus_message_iter_recurse(iter
, &sub
);
3344 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
3348 dbus_message_iter_recurse(&sub
, &sub2
);
3350 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) >= 0 &&
3351 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &bandwidth
, false) >= 0)
3352 printf("%s=%s %" PRIu64
"\n", name
, strna(path
), bandwidth
);
3354 dbus_message_iter_next(&sub
);
3363 if (generic_print_property(name
, iter
, arg_all
) > 0)
3367 printf("%s=[unprintable]\n", name
);
3372 static int show_one(const char *verb
, DBusConnection
*bus
, const char *path
, bool show_properties
, bool *new_line
) {
3373 _cleanup_free_ DBusMessage
*reply
= NULL
;
3374 const char *interface
= "";
3376 DBusMessageIter iter
, sub
, sub2
, sub3
;
3377 UnitStatusInfo info
= {};
3383 r
= bus_method_call_with_reply(
3385 "org.freedesktop.systemd1",
3387 "org.freedesktop.DBus.Properties",
3391 DBUS_TYPE_STRING
, &interface
,
3396 if (!dbus_message_iter_init(reply
, &iter
) ||
3397 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
3398 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_DICT_ENTRY
) {
3399 log_error("Failed to parse reply.");
3403 dbus_message_iter_recurse(&iter
, &sub
);
3410 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
3413 assert(dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_DICT_ENTRY
);
3414 dbus_message_iter_recurse(&sub
, &sub2
);
3416 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &name
, true) < 0 ||
3417 dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_VARIANT
) {
3418 log_error("Failed to parse reply.");
3422 dbus_message_iter_recurse(&sub2
, &sub3
);
3424 if (show_properties
)
3425 r
= print_property(name
, &sub3
);
3427 r
= status_property(name
, &sub3
, &info
);
3429 log_error("Failed to parse reply.");
3433 dbus_message_iter_next(&sub
);
3438 if (!show_properties
) {
3439 if (streq(verb
, "help"))
3440 show_unit_help(&info
);
3442 print_status_info(&info
);
3445 strv_free(info
.documentation
);
3446 strv_free(info
.dropin_paths
);
3447 strv_free(info
.listen
);
3449 if (!streq_ptr(info
.active_state
, "active") &&
3450 !streq_ptr(info
.active_state
, "reloading") &&
3451 streq(verb
, "status")) {
3452 /* According to LSB: "program not running" */
3453 /* 0: program is running or service is OK
3454 * 1: program is dead and /var/run pid file exists
3455 * 2: program is dead and /var/lock lock file exists
3456 * 3: program is not running
3457 * 4: program or service status is unknown
3459 if (info
.pid_file
&& access(info
.pid_file
, F_OK
) == 0)
3465 while ((p
= info
.exec
)) {
3466 LIST_REMOVE(ExecStatusInfo
, exec
, info
.exec
, p
);
3467 exec_status_info_free(p
);
3473 static int show_one_by_pid(const char *verb
, DBusConnection
*bus
, uint32_t pid
, bool *new_line
) {
3474 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
3475 const char *path
= NULL
;
3476 _cleanup_dbus_error_free_ DBusError error
;
3479 dbus_error_init(&error
);
3481 r
= bus_method_call_with_reply(
3483 "org.freedesktop.systemd1",
3484 "/org/freedesktop/systemd1",
3485 "org.freedesktop.systemd1.Manager",
3489 DBUS_TYPE_UINT32
, &pid
,
3494 if (!dbus_message_get_args(reply
, &error
,
3495 DBUS_TYPE_OBJECT_PATH
, &path
,
3496 DBUS_TYPE_INVALID
)) {
3497 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3501 r
= show_one(verb
, bus
, path
, false, new_line
);
3505 static int show_all(const char* verb
, DBusConnection
*bus
, bool show_properties
, bool *new_line
) {
3506 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
3507 _cleanup_free_
struct unit_info
*unit_infos
= NULL
;
3509 const struct unit_info
*u
;
3512 r
= get_unit_list(bus
, &reply
, &unit_infos
, &c
);
3516 qsort(unit_infos
, c
, sizeof(struct unit_info
), compare_unit_info
);
3518 for (u
= unit_infos
; u
< unit_infos
+ c
; u
++) {
3519 _cleanup_free_
char *p
= NULL
;
3521 if (!output_show_unit(u
))
3524 p
= unit_dbus_path_from_name(u
->id
);
3528 printf("%s -> '%s'\n", u
->id
, p
);
3530 r
= show_one(verb
, bus
, p
, show_properties
, new_line
);
3538 static int show(DBusConnection
*bus
, char **args
) {
3540 bool show_properties
, show_status
, new_line
= false;
3546 show_properties
= streq(args
[0], "show");
3547 show_status
= streq(args
[0], "status");
3549 if (show_properties
)
3550 pager_open_if_enabled();
3552 /* If no argument is specified inspect the manager itself */
3554 if (show_properties
&& strv_length(args
) <= 1)
3555 return show_one(args
[0], bus
, "/org/freedesktop/systemd1", show_properties
, &new_line
);
3557 if (show_status
&& strv_length(args
) <= 1)
3558 return show_all(args
[0], bus
, false, &new_line
);
3560 STRV_FOREACH(name
, args
+1) {
3563 if (safe_atou32(*name
, &id
) < 0) {
3564 _cleanup_free_
char *p
= NULL
, *n
= NULL
;
3565 /* Interpret as unit name */
3567 n
= unit_name_mangle(*name
);
3571 p
= unit_dbus_path_from_name(n
);
3575 r
= show_one(args
[0], bus
, p
, show_properties
, &new_line
);
3579 } else if (show_properties
) {
3580 _cleanup_free_
char *p
= NULL
;
3582 /* Interpret as job id */
3583 if (asprintf(&p
, "/org/freedesktop/systemd1/job/%u", id
) < 0)
3586 r
= show_one(args
[0], bus
, p
, show_properties
, &new_line
);
3591 /* Interpret as PID */
3592 r
= show_one_by_pid(args
[0], bus
, id
, &new_line
);
3601 static int append_assignment(DBusMessageIter
*iter
, const char *assignment
) {
3604 DBusMessageIter sub
;
3610 eq
= strchr(assignment
, '=');
3612 log_error("Not an assignment: %s", assignment
);
3616 field
= strndupa(assignment
, eq
- assignment
);
3619 if (!dbus_message_iter_append_basic(iter
, DBUS_TYPE_STRING
, &field
))
3622 if (streq(field
, "CPUAccounting") ||
3623 streq(field
, "MemoryAccounting") ||
3624 streq(field
, "BlockIOAccounting")) {
3627 r
= parse_boolean(eq
);
3629 log_error("Failed to parse boolean assignment %s.", assignment
);
3634 if (!dbus_message_iter_open_container(iter
, DBUS_TYPE_VARIANT
, "b", &sub
) ||
3635 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_BOOLEAN
, &b
))
3638 } else if (streq(field
, "MemoryLimit") || streq(field
, "MemorySoftLimit")) {
3642 r
= parse_bytes(eq
, &bytes
);
3644 log_error("Failed to parse bytes specification %s", assignment
);
3649 if (!dbus_message_iter_open_container(iter
, DBUS_TYPE_VARIANT
, "t", &sub
) ||
3650 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_UINT64
, &u
))
3653 } else if (streq(field
, "CPUShares") || streq(field
, "BlockIOWeight")) {
3656 r
= safe_atou64(eq
, &u
);
3658 log_error("Failed to parse %s value %s.", field
, eq
);
3662 if (!dbus_message_iter_open_container(iter
, DBUS_TYPE_VARIANT
, "t", &sub
) ||
3663 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_UINT64
, &u
))
3666 } else if (streq(field
, "DevicePolicy")) {
3668 if (!dbus_message_iter_open_container(iter
, DBUS_TYPE_VARIANT
, "s", &sub
) ||
3669 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, &eq
))
3672 } else if (streq(field
, "DeviceAllow")) {
3673 DBusMessageIter sub2
;
3675 if (!dbus_message_iter_open_container(iter
, DBUS_TYPE_VARIANT
, "a(ss)", &sub
) ||
3676 !dbus_message_iter_open_container(&sub
, DBUS_TYPE_ARRAY
, "(ss)", &sub2
))
3680 const char *path
, *rwm
;
3681 DBusMessageIter sub3
;
3684 e
= strchr(eq
, ' ');
3686 path
= strndupa(eq
, e
- eq
);
3693 if (!dbus_message_iter_open_container(&sub2
, DBUS_TYPE_STRUCT
, NULL
, &sub3
) ||
3694 !dbus_message_iter_append_basic(&sub3
, DBUS_TYPE_STRING
, &path
) ||
3695 !dbus_message_iter_append_basic(&sub3
, DBUS_TYPE_STRING
, &rwm
) ||
3696 !dbus_message_iter_close_container(&sub2
, &sub3
))
3700 if (!dbus_message_iter_close_container(&sub
, &sub2
))
3704 log_error("Unknown assignment %s.", assignment
);
3708 if (!dbus_message_iter_close_container(iter
, &sub
))
3714 static int set_property(DBusConnection
*bus
, char **args
) {
3716 _cleanup_free_ DBusMessage
*m
= NULL
, *reply
= NULL
;
3717 DBusMessageIter iter
, sub
;
3718 dbus_bool_t runtime
;
3723 dbus_error_init(&error
);
3725 m
= dbus_message_new_method_call(
3726 "org.freedesktop.systemd1",
3727 "/org/freedesktop/systemd1",
3728 "org.freedesktop.systemd1.Manager",
3729 "SetUnitProperties");
3733 dbus_message_iter_init_append(m
, &iter
);
3735 runtime
= arg_runtime
;
3737 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_STRING
, &args
[1]) ||
3738 !dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &runtime
) ||
3739 !dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "(sv)", &sub
))
3742 STRV_FOREACH(i
, args
+ 2) {
3743 DBusMessageIter sub2
;
3745 if (!dbus_message_iter_open_container(&sub
, DBUS_TYPE_STRUCT
, NULL
, &sub2
))
3748 r
= append_assignment(&sub2
, *i
);
3752 if (!dbus_message_iter_close_container(&sub
, &sub2
))
3757 if (!dbus_message_iter_close_container(&iter
, &sub
))
3760 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
3762 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3763 dbus_error_free(&error
);
3770 static int snapshot(DBusConnection
*bus
, char **args
) {
3771 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
3774 dbus_bool_t cleanup
= FALSE
;
3775 DBusMessageIter iter
, sub
;
3778 *interface
= "org.freedesktop.systemd1.Unit",
3780 _cleanup_free_
char *n
= NULL
;
3782 dbus_error_init(&error
);
3784 if (strv_length(args
) > 1)
3785 n
= unit_name_mangle_with_suffix(args
[1], ".snapshot");
3791 r
= bus_method_call_with_reply(
3793 "org.freedesktop.systemd1",
3794 "/org/freedesktop/systemd1",
3795 "org.freedesktop.systemd1.Manager",
3799 DBUS_TYPE_STRING
, &n
,
3800 DBUS_TYPE_BOOLEAN
, &cleanup
,
3805 if (!dbus_message_get_args(reply
, &error
,
3806 DBUS_TYPE_OBJECT_PATH
, &path
,
3807 DBUS_TYPE_INVALID
)) {
3808 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3809 dbus_error_free(&error
);
3813 dbus_message_unref(reply
);
3816 r
= bus_method_call_with_reply (
3818 "org.freedesktop.systemd1",
3820 "org.freedesktop.DBus.Properties",
3824 DBUS_TYPE_STRING
, &interface
,
3825 DBUS_TYPE_STRING
, &property
,
3830 if (!dbus_message_iter_init(reply
, &iter
) ||
3831 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
3832 log_error("Failed to parse reply.");
3836 dbus_message_iter_recurse(&iter
, &sub
);
3838 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
3839 log_error("Failed to parse reply.");
3843 dbus_message_iter_get_basic(&sub
, &id
);
3851 static int delete_snapshot(DBusConnection
*bus
, char **args
) {
3856 STRV_FOREACH(name
, args
+1) {
3857 _cleanup_free_
char *n
= NULL
;
3860 n
= unit_name_mangle_with_suffix(*name
, ".snapshot");
3864 r
= bus_method_call_with_reply(
3866 "org.freedesktop.systemd1",
3867 "/org/freedesktop/systemd1",
3868 "org.freedesktop.systemd1.Manager",
3872 DBUS_TYPE_STRING
, &n
,
3881 static int daemon_reload(DBusConnection
*bus
, char **args
) {
3886 if (arg_action
== ACTION_RELOAD
)
3888 else if (arg_action
== ACTION_REEXEC
)
3889 method
= "Reexecute";
3891 assert(arg_action
== ACTION_SYSTEMCTL
);
3894 streq(args
[0], "clear-jobs") ||
3895 streq(args
[0], "cancel") ? "ClearJobs" :
3896 streq(args
[0], "daemon-reexec") ? "Reexecute" :
3897 streq(args
[0], "reset-failed") ? "ResetFailed" :
3898 streq(args
[0], "halt") ? "Halt" :
3899 streq(args
[0], "poweroff") ? "PowerOff" :
3900 streq(args
[0], "reboot") ? "Reboot" :
3901 streq(args
[0], "kexec") ? "KExec" :
3902 streq(args
[0], "exit") ? "Exit" :
3903 /* "daemon-reload" */ "Reload";
3906 r
= bus_method_call_with_reply(
3908 "org.freedesktop.systemd1",
3909 "/org/freedesktop/systemd1",
3910 "org.freedesktop.systemd1.Manager",
3916 if (r
== -ENOENT
&& arg_action
!= ACTION_SYSTEMCTL
)
3917 /* There's always a fallback possible for
3918 * legacy actions. */
3920 else if ((r
== -ETIMEDOUT
|| r
== -ECONNRESET
) && streq(method
, "Reexecute"))
3921 /* On reexecution, we expect a disconnect, not a
3925 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3927 dbus_error_free(&error
);
3931 static int reset_failed(DBusConnection
*bus
, char **args
) {
3935 if (strv_length(args
) <= 1)
3936 return daemon_reload(bus
, args
);
3938 STRV_FOREACH(name
, args
+1) {
3939 _cleanup_free_
char *n
;
3941 n
= unit_name_mangle(*name
);
3945 r
= bus_method_call_with_reply(
3947 "org.freedesktop.systemd1",
3948 "/org/freedesktop/systemd1",
3949 "org.freedesktop.systemd1.Manager",
3953 DBUS_TYPE_STRING
, &n
,
3962 static int show_enviroment(DBusConnection
*bus
, char **args
) {
3963 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
3964 DBusMessageIter iter
, sub
, sub2
;
3967 *interface
= "org.freedesktop.systemd1.Manager",
3968 *property
= "Environment";
3970 pager_open_if_enabled();
3972 r
= bus_method_call_with_reply(
3974 "org.freedesktop.systemd1",
3975 "/org/freedesktop/systemd1",
3976 "org.freedesktop.DBus.Properties",
3980 DBUS_TYPE_STRING
, &interface
,
3981 DBUS_TYPE_STRING
, &property
,
3986 if (!dbus_message_iter_init(reply
, &iter
) ||
3987 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
3988 log_error("Failed to parse reply.");
3992 dbus_message_iter_recurse(&iter
, &sub
);
3994 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_ARRAY
||
3995 dbus_message_iter_get_element_type(&sub
) != DBUS_TYPE_STRING
) {
3996 log_error("Failed to parse reply.");
4000 dbus_message_iter_recurse(&sub
, &sub2
);
4002 while (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_INVALID
) {
4005 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_STRING
) {
4006 log_error("Failed to parse reply.");
4010 dbus_message_iter_get_basic(&sub2
, &text
);
4013 dbus_message_iter_next(&sub2
);
4019 static int switch_root(DBusConnection
*bus
, char **args
) {
4022 _cleanup_free_
char *init
= NULL
;
4024 l
= strv_length(args
);
4025 if (l
< 2 || l
> 3) {
4026 log_error("Wrong number of arguments.");
4033 init
= strdup(args
[2]);
4035 parse_env_file("/proc/cmdline", WHITESPACE
,
4045 log_debug("switching root - root: %s; init: %s", root
, init
);
4047 return bus_method_call_with_reply(
4049 "org.freedesktop.systemd1",
4050 "/org/freedesktop/systemd1",
4051 "org.freedesktop.systemd1.Manager",
4055 DBUS_TYPE_STRING
, &root
,
4056 DBUS_TYPE_STRING
, &init
,
4060 static int set_environment(DBusConnection
*bus
, char **args
) {
4061 _cleanup_dbus_message_unref_ DBusMessage
*m
= NULL
, *reply
= NULL
;
4064 DBusMessageIter iter
;
4070 dbus_error_init(&error
);
4072 method
= streq(args
[0], "set-environment")
4074 : "UnsetEnvironment";
4076 m
= dbus_message_new_method_call(
4077 "org.freedesktop.systemd1",
4078 "/org/freedesktop/systemd1",
4079 "org.freedesktop.systemd1.Manager",
4084 dbus_message_iter_init_append(m
, &iter
);
4086 r
= bus_append_strv_iter(&iter
, args
+ 1);
4090 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
4092 log_error("Failed to issue method call: %s", bus_error_message(&error
));
4093 dbus_error_free(&error
);
4100 static int enable_sysv_units(char **args
) {
4103 #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG)
4104 const char *verb
= args
[0];
4105 unsigned f
= 1, t
= 1;
4106 LookupPaths paths
= {};
4108 if (arg_scope
!= UNIT_FILE_SYSTEM
)
4111 if (!streq(verb
, "enable") &&
4112 !streq(verb
, "disable") &&
4113 !streq(verb
, "is-enabled"))
4116 /* Processes all SysV units, and reshuffles the array so that
4117 * afterwards only the native units remain */
4119 r
= lookup_paths_init(&paths
, SYSTEMD_SYSTEM
, false, NULL
, NULL
, NULL
);
4124 for (f
= 1; args
[f
]; f
++) {
4126 _cleanup_free_
char *p
= NULL
, *q
= NULL
;
4127 bool found_native
= false, found_sysv
;
4129 const char *argv
[6] = { "/sbin/chkconfig", NULL
, NULL
, NULL
, NULL
};
4137 if (!endswith(name
, ".service"))
4140 if (path_is_absolute(name
))
4143 STRV_FOREACH(k
, paths
.unit_path
) {
4144 if (!isempty(arg_root
))
4145 asprintf(&p
, "%s/%s/%s", arg_root
, *k
, name
);
4147 asprintf(&p
, "%s/%s", *k
, name
);
4154 found_native
= access(p
, F_OK
) >= 0;
4165 if (!isempty(arg_root
))
4166 asprintf(&p
, "%s/" SYSTEM_SYSVINIT_PATH
"/%s", arg_root
, name
);
4168 asprintf(&p
, SYSTEM_SYSVINIT_PATH
"/%s", name
);
4174 p
[strlen(p
) - sizeof(".service") + 1] = 0;
4175 found_sysv
= access(p
, F_OK
) >= 0;
4180 /* Mark this entry, so that we don't try enabling it as native unit */
4181 args
[f
] = (char*) "";
4183 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name
);
4185 if (!isempty(arg_root
))
4186 argv
[c
++] = q
= strappend("--root=", arg_root
);
4188 argv
[c
++] = path_get_file_name(p
);
4190 streq(verb
, "enable") ? "on" :
4191 streq(verb
, "disable") ? "off" : "--level=5";
4194 l
= strv_join((char**)argv
, " ");
4200 log_info("Executing %s", l
);
4205 log_error("Failed to fork: %m");
4208 } else if (pid
== 0) {
4211 execv(argv
[0], (char**) argv
);
4212 _exit(EXIT_FAILURE
);
4215 j
= wait_for_terminate(pid
, &status
);
4217 log_error("Failed to wait for child: %s", strerror(-r
));
4222 if (status
.si_code
== CLD_EXITED
) {
4223 if (streq(verb
, "is-enabled")) {
4224 if (status
.si_status
== 0) {
4233 } else if (status
.si_status
!= 0) {
4244 lookup_paths_free(&paths
);
4246 /* Drop all SysV units */
4247 for (f
= 1, t
= 1; args
[f
]; f
++) {
4249 if (isempty(args
[f
]))
4252 args
[t
++] = args
[f
];
4261 static int mangle_names(char **original_names
, char ***mangled_names
) {
4262 char **i
, **l
, **name
;
4264 l
= new(char*, strv_length(original_names
) + 1);
4269 STRV_FOREACH(name
, original_names
) {
4271 /* When enabling units qualified path names are OK,
4272 * too, hence allow them explicitly. */
4277 *i
= unit_name_mangle(*name
);
4293 static int enable_unit(DBusConnection
*bus
, char **args
) {
4294 const char *verb
= args
[0];
4295 UnitFileChange
*changes
= NULL
;
4296 unsigned n_changes
= 0, i
;
4297 int carries_install_info
= -1;
4298 _cleanup_dbus_message_unref_ DBusMessage
*m
= NULL
, *reply
= NULL
;
4300 _cleanup_dbus_error_free_ DBusError error
;
4301 _cleanup_strv_free_
char **mangled_names
= NULL
;
4303 dbus_error_init(&error
);
4305 r
= enable_sysv_units(args
);
4312 r
= mangle_names(args
+1, &mangled_names
);
4316 if (!bus
|| avoid_bus()) {
4317 if (streq(verb
, "enable")) {
4318 r
= unit_file_enable(arg_scope
, arg_runtime
, arg_root
, mangled_names
, arg_force
, &changes
, &n_changes
);
4319 carries_install_info
= r
;
4320 } else if (streq(verb
, "disable"))
4321 r
= unit_file_disable(arg_scope
, arg_runtime
, arg_root
, mangled_names
, &changes
, &n_changes
);
4322 else if (streq(verb
, "reenable")) {
4323 r
= unit_file_reenable(arg_scope
, arg_runtime
, arg_root
, mangled_names
, arg_force
, &changes
, &n_changes
);
4324 carries_install_info
= r
;
4325 } else if (streq(verb
, "link"))
4326 r
= unit_file_link(arg_scope
, arg_runtime
, arg_root
, mangled_names
, arg_force
, &changes
, &n_changes
);
4327 else if (streq(verb
, "preset")) {
4328 r
= unit_file_preset(arg_scope
, arg_runtime
, arg_root
, mangled_names
, arg_force
, &changes
, &n_changes
);
4329 carries_install_info
= r
;
4330 } else if (streq(verb
, "mask"))
4331 r
= unit_file_mask(arg_scope
, arg_runtime
, arg_root
, mangled_names
, arg_force
, &changes
, &n_changes
);
4332 else if (streq(verb
, "unmask"))
4333 r
= unit_file_unmask(arg_scope
, arg_runtime
, arg_root
, mangled_names
, &changes
, &n_changes
);
4334 else if (streq(verb
, "set-default"))
4335 r
= unit_file_set_default(arg_scope
, arg_root
, args
[1], &changes
, &n_changes
);
4337 assert_not_reached("Unknown verb");
4340 log_error("Operation failed: %s", strerror(-r
));
4345 for (i
= 0; i
< n_changes
; i
++) {
4346 if (changes
[i
].type
== UNIT_FILE_SYMLINK
)
4347 log_info("ln -s '%s' '%s'", changes
[i
].source
, changes
[i
].path
);
4349 log_info("rm '%s'", changes
[i
].path
);
4356 bool send_force
= true, expect_carries_install_info
= false;
4358 DBusMessageIter iter
, sub
, sub2
;
4360 if (streq(verb
, "enable")) {
4361 method
= "EnableUnitFiles";
4362 expect_carries_install_info
= true;
4363 } else if (streq(verb
, "disable")) {
4364 method
= "DisableUnitFiles";
4366 } else if (streq(verb
, "reenable")) {
4367 method
= "ReenableUnitFiles";
4368 expect_carries_install_info
= true;
4369 } else if (streq(verb
, "link"))
4370 method
= "LinkUnitFiles";
4371 else if (streq(verb
, "preset")) {
4372 method
= "PresetUnitFiles";
4373 expect_carries_install_info
= true;
4374 } else if (streq(verb
, "mask"))
4375 method
= "MaskUnitFiles";
4376 else if (streq(verb
, "unmask")) {
4377 method
= "UnmaskUnitFiles";
4379 } else if (streq(verb
, "set-default")) {
4380 method
= "SetDefaultTarget";
4382 assert_not_reached("Unknown verb");
4384 m
= dbus_message_new_method_call(
4385 "org.freedesktop.systemd1",
4386 "/org/freedesktop/systemd1",
4387 "org.freedesktop.systemd1.Manager",
4394 dbus_message_iter_init_append(m
, &iter
);
4396 r
= bus_append_strv_iter(&iter
, mangled_names
);
4398 log_error("Failed to append unit files.");
4403 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &a
)) {
4404 log_error("Failed to append runtime boolean.");
4412 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &b
)) {
4413 log_error("Failed to append force boolean.");
4419 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
4421 log_error("Failed to issue method call: %s", bus_error_message(&error
));
4426 if (!dbus_message_iter_init(reply
, &iter
)) {
4427 log_error("Failed to initialize iterator.");
4431 if (expect_carries_install_info
) {
4432 r
= bus_iter_get_basic_and_next(&iter
, DBUS_TYPE_BOOLEAN
, &b
, true);
4434 log_error("Failed to parse reply.");
4438 carries_install_info
= b
;
4441 if (dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
4442 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
4443 log_error("Failed to parse reply.");
4448 dbus_message_iter_recurse(&iter
, &sub
);
4449 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
4450 const char *type
, *path
, *source
;
4452 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
4453 log_error("Failed to parse reply.");
4458 dbus_message_iter_recurse(&sub
, &sub2
);
4460 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) < 0 ||
4461 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) < 0 ||
4462 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &source
, false) < 0) {
4463 log_error("Failed to parse reply.");
4469 if (streq(type
, "symlink"))
4470 log_info("ln -s '%s' '%s'", source
, path
);
4472 log_info("rm '%s'", path
);
4475 dbus_message_iter_next(&sub
);
4478 /* Try to reload if enabeld */
4480 r
= daemon_reload(bus
, args
);
4483 if (carries_install_info
== 0)
4484 log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
4485 "using systemctl.\n"
4486 "Possible reasons for having this kind of units are:\n"
4487 "1) A unit may be statically enabled by being symlinked from another unit's\n"
4488 " .wants/ or .requires/ directory.\n"
4489 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
4490 " a requirement dependency on it.\n"
4491 "3) A unit may be started when needed via activation (socket, path, timer,\n"
4492 " D-Bus, udev, scripted systemctl call, ...).\n");
4495 unit_file_changes_free(changes
, n_changes
);
4500 static int unit_is_enabled(DBusConnection
*bus
, char **args
) {
4501 _cleanup_dbus_error_free_ DBusError error
;
4503 _cleanup_dbus_message_unref_ DBusMessage
*reply
= NULL
;
4508 dbus_error_init(&error
);
4510 r
= enable_sysv_units(args
);
4516 if (!bus
|| avoid_bus()) {
4518 STRV_FOREACH(name
, args
+1) {
4519 UnitFileState state
;
4521 n
= unit_name_mangle(*name
);
4525 state
= unit_file_get_state(arg_scope
, arg_root
, n
);
4532 if (state
== UNIT_FILE_ENABLED
||
4533 state
== UNIT_FILE_ENABLED_RUNTIME
||
4534 state
== UNIT_FILE_STATIC
)
4538 puts(unit_file_state_to_string(state
));
4542 STRV_FOREACH(name
, args
+1) {
4545 n
= unit_name_mangle(*name
);
4549 r
= bus_method_call_with_reply (
4551 "org.freedesktop.systemd1",
4552 "/org/freedesktop/systemd1",
4553 "org.freedesktop.systemd1.Manager",
4557 DBUS_TYPE_STRING
, &n
,
4565 if (!dbus_message_get_args(reply
, &error
,
4566 DBUS_TYPE_STRING
, &s
,
4567 DBUS_TYPE_INVALID
)) {
4568 log_error("Failed to parse reply: %s", bus_error_message(&error
));
4572 dbus_message_unref(reply
);
4575 if (streq(s
, "enabled") ||
4576 streq(s
, "enabled-runtime") ||
4585 return enabled
? 0 : 1;
4588 static int systemctl_help(void) {
4590 pager_open_if_enabled();
4592 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
4593 "Query or send control commands to the systemd manager.\n\n"
4594 " -h --help Show this help\n"
4595 " --version Show package version\n"
4596 " -t --type=TYPE List only units of a particular type\n"
4597 " --state=STATE Show only units with particular LOAD or SUB or ACTIVE state\n"
4598 " -p --property=NAME Show only properties by this name\n"
4599 " -a --all Show all loaded units/properties, including dead/empty\n"
4600 " ones. To list all units installed on the system, use\n"
4601 " the 'list-unit-files' command instead.\n"
4602 " --reverse Show reverse dependencies with 'list-dependencies'\n"
4603 " -l --full Don't ellipsize unit names on output\n"
4604 " --fail When queueing a new job, fail if conflicting jobs are\n"
4606 " --irreversible Create jobs which cannot be implicitly cancelled\n"
4607 " --show-types When showing sockets, explicitly show their type\n"
4608 " --ignore-dependencies\n"
4609 " When queueing a new job, ignore all its dependencies\n"
4610 " -i --ignore-inhibitors\n"
4611 " When shutting down or sleeping, ignore inhibitors\n"
4612 " --kill-who=WHO Who to send signal to\n"
4613 " -s --signal=SIGNAL Which signal to send\n"
4614 " -H --host=[USER@]HOST\n"
4615 " Show information for remote host\n"
4616 " -P --privileged Acquire privileges before execution\n"
4617 " -q --quiet Suppress output\n"
4618 " --no-block Do not wait until operation finished\n"
4619 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4620 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
4622 " --no-legend Do not print a legend (column headers and hints)\n"
4623 " --no-pager Do not pipe output into a pager\n"
4624 " --no-ask-password\n"
4625 " Do not ask for system passwords\n"
4626 " --system Connect to system manager\n"
4627 " --user Connect to user service manager\n"
4628 " --global Enable/disable unit files globally\n"
4629 " -f --force When enabling unit files, override existing symlinks\n"
4630 " When shutting down, execute action immediately\n"
4631 " --root=PATH Enable unit files in the specified root directory\n"
4632 " --runtime Enable unit files only temporarily until next reboot\n"
4633 " -n --lines=INTEGER Journal entries to show\n"
4634 " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
4635 " verbose, export, json, json-pretty, json-sse, cat)\n\n"
4637 " list-units List loaded units\n"
4638 " list-sockets List loaded sockets ordered by address\n"
4639 " start [NAME...] Start (activate) one or more units\n"
4640 " stop [NAME...] Stop (deactivate) one or more units\n"
4641 " reload [NAME...] Reload one or more units\n"
4642 " restart [NAME...] Start or restart one or more units\n"
4643 " try-restart [NAME...] Restart one or more units if active\n"
4644 " reload-or-restart [NAME...] Reload one or more units if possible,\n"
4645 " otherwise start or restart\n"
4646 " reload-or-try-restart [NAME...] Reload one or more units if possible,\n"
4647 " otherwise restart if active\n"
4648 " isolate [NAME] Start one unit and stop all others\n"
4649 " kill [NAME...] Send signal to processes of a unit\n"
4650 " is-active [NAME...] Check whether units are active\n"
4651 " is-failed [NAME...] Check whether units are failed\n"
4652 " status [NAME...|PID...] Show runtime status of one or more units\n"
4653 " show [NAME...|JOB...] Show properties of one or more\n"
4654 " units/jobs or the manager\n"
4655 " set-property [NAME] [ASSIGNMENT...]\n"
4656 " Sets one or more properties of a unit\n"
4657 " help [NAME...|PID...] Show manual for one or more units\n"
4658 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
4660 " list-dependencies [NAME] Recursively show units which are required\n"
4661 " or wanted by this unit or by which this\n"
4662 " unit is required or wanted\n\n"
4663 "Unit File Commands:\n"
4664 " list-unit-files List installed unit files\n"
4665 " enable [NAME...] Enable one or more unit files\n"
4666 " disable [NAME...] Disable one or more unit files\n"
4667 " reenable [NAME...] Reenable one or more unit files\n"
4668 " preset [NAME...] Enable/disable one or more unit files\n"
4669 " based on preset configuration\n"
4670 " mask [NAME...] Mask one or more units\n"
4671 " unmask [NAME...] Unmask one or more units\n"
4672 " link [PATH...] Link one or more units files into\n"
4673 " the search path\n"
4674 " get-default Get the name of the default target\n"
4675 " set-default NAME Set the default target\n"
4676 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
4678 " list-jobs List jobs\n"
4679 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
4680 "Snapshot Commands:\n"
4681 " snapshot [NAME] Create a snapshot\n"
4682 " delete [NAME...] Remove one or more snapshots\n\n"
4683 "Environment Commands:\n"
4684 " show-environment Dump environment\n"
4685 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
4686 " unset-environment [NAME...] Unset one or more environment variables\n\n"
4687 "Manager Lifecycle Commands:\n"
4688 " daemon-reload Reload systemd manager configuration\n"
4689 " daemon-reexec Reexecute systemd manager\n\n"
4690 "System Commands:\n"
4691 " default Enter system default mode\n"
4692 " rescue Enter system rescue mode\n"
4693 " emergency Enter system emergency mode\n"
4694 " halt Shut down and halt the system\n"
4695 " poweroff Shut down and power-off the system\n"
4696 " reboot Shut down and reboot the system\n"
4697 " kexec Shut down and reboot the system with kexec\n"
4698 " exit Request user instance exit\n"
4699 " switch-root [ROOT] [INIT] Change to a different root file system\n"
4700 " suspend Suspend the system\n"
4701 " hibernate Hibernate the system\n"
4702 " hybrid-sleep Hibernate and suspend the system\n",
4703 program_invocation_short_name
);
4708 static int halt_help(void) {
4710 printf("%s [OPTIONS...]\n\n"
4711 "%s the system.\n\n"
4712 " --help Show this help\n"
4713 " --halt Halt the machine\n"
4714 " -p --poweroff Switch off the machine\n"
4715 " --reboot Reboot the machine\n"
4716 " -f --force Force immediate halt/power-off/reboot\n"
4717 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
4718 " -d --no-wtmp Don't write wtmp record\n"
4719 " --no-wall Don't send wall message before halt/power-off/reboot\n",
4720 program_invocation_short_name
,
4721 arg_action
== ACTION_REBOOT
? "Reboot" :
4722 arg_action
== ACTION_POWEROFF
? "Power off" :
4728 static int shutdown_help(void) {
4730 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
4731 "Shut down the system.\n\n"
4732 " --help Show this help\n"
4733 " -H --halt Halt the machine\n"
4734 " -P --poweroff Power-off the machine\n"
4735 " -r --reboot Reboot the machine\n"
4736 " -h Equivalent to --poweroff, overridden by --halt\n"
4737 " -k Don't halt/power-off/reboot, just send warnings\n"
4738 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4739 " -c Cancel a pending shutdown\n",
4740 program_invocation_short_name
);
4745 static int telinit_help(void) {
4747 printf("%s [OPTIONS...] {COMMAND}\n\n"
4748 "Send control commands to the init daemon.\n\n"
4749 " --help Show this help\n"
4750 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
4752 " 0 Power-off the machine\n"
4753 " 6 Reboot the machine\n"
4754 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4755 " 1, s, S Enter rescue mode\n"
4756 " q, Q Reload init daemon configuration\n"
4757 " u, U Reexecute init daemon\n",
4758 program_invocation_short_name
);
4763 static int runlevel_help(void) {
4765 printf("%s [OPTIONS...]\n\n"
4766 "Prints the previous and current runlevel of the init system.\n\n"
4767 " --help Show this help\n",
4768 program_invocation_short_name
);
4773 static int help_types(void) {
4777 puts("Available unit types:");
4778 for(i
= 0; i
< _UNIT_TYPE_MAX
; i
++) {
4779 t
= unit_type_to_string(i
);
4787 static int systemctl_parse_argv(int argc
, char *argv
[]) {
4796 ARG_IGNORE_DEPENDENCIES
,
4808 ARG_NO_ASK_PASSWORD
,
4816 static const struct option options
[] = {
4817 { "help", no_argument
, NULL
, 'h' },
4818 { "version", no_argument
, NULL
, ARG_VERSION
},
4819 { "type", required_argument
, NULL
, 't' },
4820 { "property", required_argument
, NULL
, 'p' },
4821 { "all", no_argument
, NULL
, 'a' },
4822 { "reverse", no_argument
, NULL
, ARG_REVERSE
},
4823 { "after", no_argument
, NULL
, ARG_AFTER
},
4824 { "before", no_argument
, NULL
, ARG_BEFORE
},
4825 { "show-types", no_argument
, NULL
, ARG_SHOW_TYPES
},
4826 { "failed", no_argument
, NULL
, ARG_FAILED
}, /* compatibility only */
4827 { "full", no_argument
, NULL
, 'l' },
4828 { "fail", no_argument
, NULL
, ARG_FAIL
},
4829 { "irreversible", no_argument
, NULL
, ARG_IRREVERSIBLE
},
4830 { "ignore-dependencies", no_argument
, NULL
, ARG_IGNORE_DEPENDENCIES
},
4831 { "ignore-inhibitors", no_argument
, NULL
, 'i' },
4832 { "user", no_argument
, NULL
, ARG_USER
},
4833 { "system", no_argument
, NULL
, ARG_SYSTEM
},
4834 { "global", no_argument
, NULL
, ARG_GLOBAL
},
4835 { "no-block", no_argument
, NULL
, ARG_NO_BLOCK
},
4836 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
4837 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
4838 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
4839 { "quiet", no_argument
, NULL
, 'q' },
4840 { "root", required_argument
, NULL
, ARG_ROOT
},
4841 { "force", no_argument
, NULL
, ARG_FORCE
},
4842 { "no-reload", no_argument
, NULL
, ARG_NO_RELOAD
},
4843 { "kill-who", required_argument
, NULL
, ARG_KILL_WHO
},
4844 { "signal", required_argument
, NULL
, 's' },
4845 { "no-ask-password", no_argument
, NULL
, ARG_NO_ASK_PASSWORD
},
4846 { "host", required_argument
, NULL
, 'H' },
4847 { "privileged", no_argument
, NULL
, 'P' },
4848 { "runtime", no_argument
, NULL
, ARG_RUNTIME
},
4849 { "lines", required_argument
, NULL
, 'n' },
4850 { "output", required_argument
, NULL
, 'o' },
4851 { "plain", no_argument
, NULL
, ARG_PLAIN
},
4852 { "state", required_argument
, NULL
, ARG_STATE
},
4853 { NULL
, 0, NULL
, 0 }
4861 while ((c
= getopt_long(argc
, argv
, "ht:p:alqfs:H:Pn:o:i", options
, NULL
)) >= 0) {
4870 puts(PACKAGE_STRING
);
4871 puts(SYSTEMD_FEATURES
);
4878 FOREACH_WORD_SEPARATOR(word
, size
, optarg
, ",", state
) {
4879 _cleanup_free_
char *type
;
4881 type
= strndup(word
, size
);
4885 if (streq(type
, "help")) {
4890 if (unit_type_from_string(type
) >= 0) {
4891 if (strv_push(&arg_types
, type
))
4897 /* It's much nicer to use --state= for
4898 * load states, but let's support this
4899 * in --types= too for compatibility
4900 * with old versions */
4901 if (unit_load_state_from_string(optarg
) >= 0) {
4902 if (strv_push(&arg_states
, type
) < 0)
4908 log_error("Unknown unit type or load state '%s'.", type
);
4909 log_info("Use -t help to see a list of allowed values.");
4917 /* Make sure that if the empty property list
4918 was specified, we won't show any properties. */
4919 if (isempty(optarg
) && !arg_properties
) {
4920 arg_properties
= strv_new(NULL
, NULL
);
4921 if (!arg_properties
)
4927 FOREACH_WORD_SEPARATOR(word
, size
, optarg
, ",", state
) {
4930 prop
= strndup(word
, size
);
4934 if (strv_push(&arg_properties
, prop
) < 0) {
4941 /* If the user asked for a particular
4942 * property, show it to him, even if it is
4954 arg_dependency
= DEPENDENCY_REVERSE
;
4958 arg_dependency
= DEPENDENCY_AFTER
;
4962 arg_dependency
= DEPENDENCY_BEFORE
;
4965 case ARG_SHOW_TYPES
:
4966 arg_show_types
= true;
4970 arg_job_mode
= "fail";
4973 case ARG_IRREVERSIBLE
:
4974 arg_job_mode
= "replace-irreversibly";
4977 case ARG_IGNORE_DEPENDENCIES
:
4978 arg_job_mode
= "ignore-dependencies";
4982 arg_scope
= UNIT_FILE_USER
;
4986 arg_scope
= UNIT_FILE_SYSTEM
;
4990 arg_scope
= UNIT_FILE_GLOBAL
;
4994 arg_no_block
= true;
4998 arg_no_legend
= true;
5002 arg_no_pager
= true;
5018 if (strv_extend(&arg_states
, "failed") < 0)
5036 arg_no_reload
= true;
5040 arg_kill_who
= optarg
;
5044 if ((arg_signal
= signal_from_string_try_harder(optarg
)) < 0) {
5045 log_error("Failed to parse signal string %s.", optarg
);
5050 case ARG_NO_ASK_PASSWORD
:
5051 arg_ask_password
= false;
5055 arg_transport
= TRANSPORT_POLKIT
;
5059 arg_transport
= TRANSPORT_SSH
;
5060 parse_user_at_host(optarg
, &arg_user
, &arg_host
);
5068 if (safe_atou(optarg
, &arg_lines
) < 0) {
5069 log_error("Failed to parse lines '%s'", optarg
);
5075 arg_output
= output_mode_from_string(optarg
);
5076 if (arg_output
< 0) {
5077 log_error("Unknown output '%s'.", optarg
);
5083 arg_ignore_inhibitors
= true;
5094 FOREACH_WORD_SEPARATOR(word
, size
, optarg
, ",", state
) {
5097 s
= strndup(word
, size
);
5101 if (strv_push(&arg_states
, s
) < 0) {
5113 log_error("Unknown option code '%c'.", c
);
5118 if (arg_transport
!= TRANSPORT_NORMAL
&& arg_scope
!= UNIT_FILE_SYSTEM
) {
5119 log_error("Cannot access user instance remotely.");
5126 static int halt_parse_argv(int argc
, char *argv
[]) {
5135 static const struct option options
[] = {
5136 { "help", no_argument
, NULL
, ARG_HELP
},
5137 { "halt", no_argument
, NULL
, ARG_HALT
},
5138 { "poweroff", no_argument
, NULL
, 'p' },
5139 { "reboot", no_argument
, NULL
, ARG_REBOOT
},
5140 { "force", no_argument
, NULL
, 'f' },
5141 { "wtmp-only", no_argument
, NULL
, 'w' },
5142 { "no-wtmp", no_argument
, NULL
, 'd' },
5143 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
5144 { NULL
, 0, NULL
, 0 }
5152 if (utmp_get_runlevel(&runlevel
, NULL
) >= 0)
5153 if (runlevel
== '0' || runlevel
== '6')
5156 while ((c
= getopt_long(argc
, argv
, "pfwdnih", options
, NULL
)) >= 0) {
5164 arg_action
= ACTION_HALT
;
5168 if (arg_action
!= ACTION_REBOOT
)
5169 arg_action
= ACTION_POWEROFF
;
5173 arg_action
= ACTION_REBOOT
;
5195 /* Compatibility nops */
5202 log_error("Unknown option code '%c'.", c
);
5207 if (optind
< argc
) {
5208 log_error("Too many arguments.");
5215 static int parse_time_spec(const char *t
, usec_t
*_u
) {
5219 if (streq(t
, "now"))
5221 else if (!strchr(t
, ':')) {
5224 if (safe_atou64(t
, &u
) < 0)
5227 *_u
= now(CLOCK_REALTIME
) + USEC_PER_MINUTE
* u
;
5236 hour
= strtol(t
, &e
, 10);
5237 if (errno
> 0 || *e
!= ':' || hour
< 0 || hour
> 23)
5240 minute
= strtol(e
+1, &e
, 10);
5241 if (errno
> 0 || *e
!= 0 || minute
< 0 || minute
> 59)
5244 n
= now(CLOCK_REALTIME
);
5245 s
= (time_t) (n
/ USEC_PER_SEC
);
5247 assert_se(localtime_r(&s
, &tm
));
5249 tm
.tm_hour
= (int) hour
;
5250 tm
.tm_min
= (int) minute
;
5253 assert_se(s
= mktime(&tm
));
5255 *_u
= (usec_t
) s
* USEC_PER_SEC
;
5258 *_u
+= USEC_PER_DAY
;
5264 static int shutdown_parse_argv(int argc
, char *argv
[]) {
5271 static const struct option options
[] = {
5272 { "help", no_argument
, NULL
, ARG_HELP
},
5273 { "halt", no_argument
, NULL
, 'H' },
5274 { "poweroff", no_argument
, NULL
, 'P' },
5275 { "reboot", no_argument
, NULL
, 'r' },
5276 { "kexec", no_argument
, NULL
, 'K' }, /* not documented extension */
5277 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
5278 { NULL
, 0, NULL
, 0 }
5286 while ((c
= getopt_long(argc
, argv
, "HPrhkt:afFc", options
, NULL
)) >= 0) {
5294 arg_action
= ACTION_HALT
;
5298 arg_action
= ACTION_POWEROFF
;
5303 arg_action
= ACTION_KEXEC
;
5305 arg_action
= ACTION_REBOOT
;
5309 arg_action
= ACTION_KEXEC
;
5313 if (arg_action
!= ACTION_HALT
)
5314 arg_action
= ACTION_POWEROFF
;
5327 /* Compatibility nops */
5331 arg_action
= ACTION_CANCEL_SHUTDOWN
;
5338 log_error("Unknown option code '%c'.", c
);
5343 if (argc
> optind
&& arg_action
!= ACTION_CANCEL_SHUTDOWN
) {
5344 r
= parse_time_spec(argv
[optind
], &arg_when
);
5346 log_error("Failed to parse time specification: %s", argv
[optind
]);
5350 arg_when
= now(CLOCK_REALTIME
) + USEC_PER_MINUTE
;
5352 if (argc
> optind
&& arg_action
== ACTION_CANCEL_SHUTDOWN
)
5353 /* No time argument for shutdown cancel */
5354 arg_wall
= argv
+ optind
;
5355 else if (argc
> optind
+ 1)
5356 /* We skip the time argument */
5357 arg_wall
= argv
+ optind
+ 1;
5364 static int telinit_parse_argv(int argc
, char *argv
[]) {
5371 static const struct option options
[] = {
5372 { "help", no_argument
, NULL
, ARG_HELP
},
5373 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
5374 { NULL
, 0, NULL
, 0 }
5377 static const struct {
5381 { '0', ACTION_POWEROFF
},
5382 { '6', ACTION_REBOOT
},
5383 { '1', ACTION_RESCUE
},
5384 { '2', ACTION_RUNLEVEL2
},
5385 { '3', ACTION_RUNLEVEL3
},
5386 { '4', ACTION_RUNLEVEL4
},
5387 { '5', ACTION_RUNLEVEL5
},
5388 { 's', ACTION_RESCUE
},
5389 { 'S', ACTION_RESCUE
},
5390 { 'q', ACTION_RELOAD
},
5391 { 'Q', ACTION_RELOAD
},
5392 { 'u', ACTION_REEXEC
},
5393 { 'U', ACTION_REEXEC
}
5402 while ((c
= getopt_long(argc
, argv
, "", options
, NULL
)) >= 0) {
5417 log_error("Unknown option code '%c'.", c
);
5422 if (optind
>= argc
) {
5427 if (optind
+ 1 < argc
) {
5428 log_error("Too many arguments.");
5432 if (strlen(argv
[optind
]) != 1) {
5433 log_error("Expected single character argument.");
5437 for (i
= 0; i
< ELEMENTSOF(table
); i
++)
5438 if (table
[i
].from
== argv
[optind
][0])
5441 if (i
>= ELEMENTSOF(table
)) {
5442 log_error("Unknown command '%s'.", argv
[optind
]);
5446 arg_action
= table
[i
].to
;
5453 static int runlevel_parse_argv(int argc
, char *argv
[]) {
5459 static const struct option options
[] = {
5460 { "help", no_argument
, NULL
, ARG_HELP
},
5461 { NULL
, 0, NULL
, 0 }
5469 while ((c
= getopt_long(argc
, argv
, "", options
, NULL
)) >= 0) {
5480 log_error("Unknown option code '%c'.", c
);
5485 if (optind
< argc
) {
5486 log_error("Too many arguments.");
5493 static int parse_argv(int argc
, char *argv
[]) {
5497 if (program_invocation_short_name
) {
5499 if (strstr(program_invocation_short_name
, "halt")) {
5500 arg_action
= ACTION_HALT
;
5501 return halt_parse_argv(argc
, argv
);
5502 } else if (strstr(program_invocation_short_name
, "poweroff")) {
5503 arg_action
= ACTION_POWEROFF
;
5504 return halt_parse_argv(argc
, argv
);
5505 } else if (strstr(program_invocation_short_name
, "reboot")) {
5507 arg_action
= ACTION_KEXEC
;
5509 arg_action
= ACTION_REBOOT
;
5510 return halt_parse_argv(argc
, argv
);
5511 } else if (strstr(program_invocation_short_name
, "shutdown")) {
5512 arg_action
= ACTION_POWEROFF
;
5513 return shutdown_parse_argv(argc
, argv
);
5514 } else if (strstr(program_invocation_short_name
, "init")) {
5516 if (sd_booted() > 0) {
5517 arg_action
= ACTION_INVALID
;
5518 return telinit_parse_argv(argc
, argv
);
5520 /* Hmm, so some other init system is
5521 * running, we need to forward this
5522 * request to it. For now we simply
5523 * guess that it is Upstart. */
5525 execv(TELINIT
, argv
);
5527 log_error("Couldn't find an alternative telinit implementation to spawn.");
5531 } else if (strstr(program_invocation_short_name
, "runlevel")) {
5532 arg_action
= ACTION_RUNLEVEL
;
5533 return runlevel_parse_argv(argc
, argv
);
5537 arg_action
= ACTION_SYSTEMCTL
;
5538 return systemctl_parse_argv(argc
, argv
);
5541 _pure_
static int action_to_runlevel(void) {
5543 static const char table
[_ACTION_MAX
] = {
5544 [ACTION_HALT
] = '0',
5545 [ACTION_POWEROFF
] = '0',
5546 [ACTION_REBOOT
] = '6',
5547 [ACTION_RUNLEVEL2
] = '2',
5548 [ACTION_RUNLEVEL3
] = '3',
5549 [ACTION_RUNLEVEL4
] = '4',
5550 [ACTION_RUNLEVEL5
] = '5',
5551 [ACTION_RESCUE
] = '1'
5554 assert(arg_action
< _ACTION_MAX
);
5556 return table
[arg_action
];
5559 static int talk_upstart(void) {
5560 _cleanup_dbus_message_unref_ DBusMessage
*m
= NULL
, *reply
= NULL
;
5561 _cleanup_dbus_error_free_ DBusError error
;
5562 int previous
, rl
, r
;
5564 env1_buf
[] = "RUNLEVEL=X",
5565 env2_buf
[] = "PREVLEVEL=X";
5566 char *env1
= env1_buf
, *env2
= env2_buf
;
5567 const char *emit
= "runlevel";
5568 dbus_bool_t b_false
= FALSE
;
5569 DBusMessageIter iter
, sub
;
5570 DBusConnection
*bus
;
5572 dbus_error_init(&error
);
5574 if (!(rl
= action_to_runlevel()))
5577 if (utmp_get_runlevel(&previous
, NULL
) < 0)
5580 if (!(bus
= dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error
))) {
5581 if (dbus_error_has_name(&error
, DBUS_ERROR_NO_SERVER
)) {
5586 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error
));
5591 if ((r
= bus_check_peercred(bus
)) < 0) {
5592 log_error("Failed to verify owner of bus.");
5596 if (!(m
= dbus_message_new_method_call(
5597 "com.ubuntu.Upstart",
5598 "/com/ubuntu/Upstart",
5599 "com.ubuntu.Upstart0_6",
5602 log_error("Could not allocate message.");
5607 dbus_message_iter_init_append(m
, &iter
);
5609 env1_buf
[sizeof(env1_buf
)-2] = rl
;
5610 env2_buf
[sizeof(env2_buf
)-2] = previous
;
5612 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_STRING
, &emit
) ||
5613 !dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "s", &sub
) ||
5614 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, &env1
) ||
5615 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, &env2
) ||
5616 !dbus_message_iter_close_container(&iter
, &sub
) ||
5617 !dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &b_false
)) {
5618 log_error("Could not append arguments to message.");
5623 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
5625 if (bus_error_is_no_service(&error
)) {
5630 log_error("Failed to issue method call: %s", bus_error_message(&error
));
5639 dbus_connection_flush(bus
);
5640 dbus_connection_close(bus
);
5641 dbus_connection_unref(bus
);
5647 static int talk_initctl(void) {
5648 struct init_request request
= {};
5650 _cleanup_close_
int fd
= -1;
5653 rl
= action_to_runlevel();
5657 request
.magic
= INIT_MAGIC
;
5658 request
.sleeptime
= 0;
5659 request
.cmd
= INIT_CMD_RUNLVL
;
5660 request
.runlevel
= rl
;
5662 fd
= open(INIT_FIFO
, O_WRONLY
|O_NDELAY
|O_CLOEXEC
|O_NOCTTY
);
5664 if (errno
== ENOENT
)
5667 log_error("Failed to open "INIT_FIFO
": %m");
5672 r
= loop_write(fd
, &request
, sizeof(request
), false) != sizeof(request
);
5674 log_error("Failed to write to "INIT_FIFO
": %m");
5675 return errno
> 0 ? -errno
: -EIO
;
5681 static int systemctl_main(DBusConnection
*bus
, int argc
, char *argv
[], DBusError
*error
) {
5683 static const struct {
5691 int (* const dispatch
)(DBusConnection
*bus
, char **args
);
5693 { "list-units", LESS
, 1, list_units
},
5694 { "list-unit-files", EQUAL
, 1, list_unit_files
},
5695 { "list-sockets", LESS
, 1, list_sockets
},
5696 { "list-jobs", EQUAL
, 1, list_jobs
},
5697 { "clear-jobs", EQUAL
, 1, daemon_reload
},
5698 { "load", MORE
, 2, load_unit
},
5699 { "cancel", MORE
, 2, cancel_job
},
5700 { "start", MORE
, 2, start_unit
},
5701 { "stop", MORE
, 2, start_unit
},
5702 { "condstop", MORE
, 2, start_unit
}, /* For compatibility with ALTLinux */
5703 { "reload", MORE
, 2, start_unit
},
5704 { "restart", MORE
, 2, start_unit
},
5705 { "try-restart", MORE
, 2, start_unit
},
5706 { "reload-or-restart", MORE
, 2, start_unit
},
5707 { "reload-or-try-restart", MORE
, 2, start_unit
},
5708 { "force-reload", MORE
, 2, start_unit
}, /* For compatibility with SysV */
5709 { "condreload", MORE
, 2, start_unit
}, /* For compatibility with ALTLinux */
5710 { "condrestart", MORE
, 2, start_unit
}, /* For compatibility with RH */
5711 { "isolate", EQUAL
, 2, start_unit
},
5712 { "kill", MORE
, 2, kill_unit
},
5713 { "is-active", MORE
, 2, check_unit_active
},
5714 { "check", MORE
, 2, check_unit_active
},
5715 { "is-failed", MORE
, 2, check_unit_failed
},
5716 { "show", MORE
, 1, show
},
5717 { "status", MORE
, 1, show
},
5718 { "help", MORE
, 2, show
},
5719 { "snapshot", LESS
, 2, snapshot
},
5720 { "delete", MORE
, 2, delete_snapshot
},
5721 { "daemon-reload", EQUAL
, 1, daemon_reload
},
5722 { "daemon-reexec", EQUAL
, 1, daemon_reload
},
5723 { "show-environment", EQUAL
, 1, show_enviroment
},
5724 { "set-environment", MORE
, 2, set_environment
},
5725 { "unset-environment", MORE
, 2, set_environment
},
5726 { "halt", EQUAL
, 1, start_special
},
5727 { "poweroff", EQUAL
, 1, start_special
},
5728 { "reboot", EQUAL
, 1, start_special
},
5729 { "kexec", EQUAL
, 1, start_special
},
5730 { "suspend", EQUAL
, 1, start_special
},
5731 { "hibernate", EQUAL
, 1, start_special
},
5732 { "hybrid-sleep", EQUAL
, 1, start_special
},
5733 { "default", EQUAL
, 1, start_special
},
5734 { "rescue", EQUAL
, 1, start_special
},
5735 { "emergency", EQUAL
, 1, start_special
},
5736 { "exit", EQUAL
, 1, start_special
},
5737 { "reset-failed", MORE
, 1, reset_failed
},
5738 { "enable", MORE
, 2, enable_unit
},
5739 { "disable", MORE
, 2, enable_unit
},
5740 { "is-enabled", MORE
, 2, unit_is_enabled
},
5741 { "reenable", MORE
, 2, enable_unit
},
5742 { "preset", MORE
, 2, enable_unit
},
5743 { "mask", MORE
, 2, enable_unit
},
5744 { "unmask", MORE
, 2, enable_unit
},
5745 { "link", MORE
, 2, enable_unit
},
5746 { "switch-root", MORE
, 2, switch_root
},
5747 { "list-dependencies", LESS
, 2, list_dependencies
},
5748 { "set-default", EQUAL
, 2, enable_unit
},
5749 { "get-default", LESS
, 1, get_default
},
5750 { "set-property", MORE
, 3, set_property
},
5760 left
= argc
- optind
;
5763 /* Special rule: no arguments means "list-units" */
5766 if (streq(argv
[optind
], "help") && !argv
[optind
+1]) {
5767 log_error("This command expects one or more "
5768 "unit names. Did you mean --help?");
5772 for (i
= 0; i
< ELEMENTSOF(verbs
); i
++)
5773 if (streq(argv
[optind
], verbs
[i
].verb
))
5776 if (i
>= ELEMENTSOF(verbs
)) {
5777 log_error("Unknown operation '%s'.", argv
[optind
]);
5782 switch (verbs
[i
].argc_cmp
) {
5785 if (left
!= verbs
[i
].argc
) {
5786 log_error("Invalid number of arguments.");
5793 if (left
< verbs
[i
].argc
) {
5794 log_error("Too few arguments.");
5801 if (left
> verbs
[i
].argc
) {
5802 log_error("Too many arguments.");
5809 assert_not_reached("Unknown comparison operator.");
5812 /* Require a bus connection for all operations but
5814 if (!streq(verbs
[i
].verb
, "enable") &&
5815 !streq(verbs
[i
].verb
, "disable") &&
5816 !streq(verbs
[i
].verb
, "is-enabled") &&
5817 !streq(verbs
[i
].verb
, "list-unit-files") &&
5818 !streq(verbs
[i
].verb
, "reenable") &&
5819 !streq(verbs
[i
].verb
, "preset") &&
5820 !streq(verbs
[i
].verb
, "mask") &&
5821 !streq(verbs
[i
].verb
, "unmask") &&
5822 !streq(verbs
[i
].verb
, "link") &&
5823 !streq(verbs
[i
].verb
, "set-default") &&
5824 !streq(verbs
[i
].verb
, "get-default")) {
5826 if (running_in_chroot() > 0) {
5827 log_info("Running in chroot, ignoring request.");
5831 if (((!streq(verbs
[i
].verb
, "reboot") &&
5832 !streq(verbs
[i
].verb
, "halt") &&
5833 !streq(verbs
[i
].verb
, "poweroff")) || arg_force
<= 0) && !bus
) {
5834 log_error("Failed to get D-Bus connection: %s",
5835 dbus_error_is_set(error
) ? error
->message
: "No connection to service manager.");
5841 if (!bus
&& !avoid_bus()) {
5842 log_error("Failed to get D-Bus connection: %s",
5843 dbus_error_is_set(error
) ? error
->message
: "No connection to service manager.");
5848 return verbs
[i
].dispatch(bus
, argv
+ optind
);
5851 static int send_shutdownd(usec_t t
, char mode
, bool dry_run
, bool warn
, const char *message
) {
5852 _cleanup_close_
int fd
;
5853 struct sd_shutdown_command c
= {
5859 union sockaddr_union sockaddr
= {
5860 .un
.sun_family
= AF_UNIX
,
5861 .un
.sun_path
= "/run/systemd/shutdownd",
5863 struct iovec iovec
[2] = {
5864 {.iov_base
= (char*) &c
,
5865 .iov_len
= offsetof(struct sd_shutdown_command
, wall_message
),
5868 struct msghdr msghdr
= {
5869 .msg_name
= &sockaddr
,
5870 .msg_namelen
= offsetof(struct sockaddr_un
, sun_path
)
5871 + sizeof("/run/systemd/shutdownd") - 1,
5876 fd
= socket(AF_UNIX
, SOCK_DGRAM
|SOCK_CLOEXEC
, 0);
5880 if (!isempty(message
)) {
5881 iovec
[1].iov_base
= (char*) message
;
5882 iovec
[1].iov_len
= strlen(message
);
5883 msghdr
.msg_iovlen
++;
5886 if (sendmsg(fd
, &msghdr
, MSG_NOSIGNAL
) < 0)
5892 static int reload_with_fallback(DBusConnection
*bus
) {
5895 /* First, try systemd via D-Bus. */
5896 if (daemon_reload(bus
, NULL
) >= 0)
5900 /* Nothing else worked, so let's try signals */
5901 assert(arg_action
== ACTION_RELOAD
|| arg_action
== ACTION_REEXEC
);
5903 if (kill(1, arg_action
== ACTION_RELOAD
? SIGHUP
: SIGTERM
) < 0) {
5904 log_error("kill() failed: %m");
5911 static int start_with_fallback(DBusConnection
*bus
) {
5914 /* First, try systemd via D-Bus. */
5915 if (start_unit(bus
, NULL
) >= 0)
5919 /* Hmm, talking to systemd via D-Bus didn't work. Then
5920 * let's try to talk to Upstart via D-Bus. */
5921 if (talk_upstart() > 0)
5924 /* Nothing else worked, so let's try
5926 if (talk_initctl() > 0)
5929 log_error("Failed to talk to init daemon.");
5933 warn_wall(arg_action
);
5937 static _noreturn_
void halt_now(enum action a
) {
5939 /* Make sure C-A-D is handled by the kernel from this
5941 reboot(RB_ENABLE_CAD
);
5946 log_info("Halting.");
5947 reboot(RB_HALT_SYSTEM
);
5950 case ACTION_POWEROFF
:
5951 log_info("Powering off.");
5952 reboot(RB_POWER_OFF
);
5956 log_info("Rebooting.");
5957 reboot(RB_AUTOBOOT
);
5961 assert_not_reached("Unknown halt action.");
5964 assert_not_reached("Uh? This shouldn't happen.");
5967 static int halt_main(DBusConnection
*bus
) {
5970 r
= check_inhibitors(bus
, arg_action
);
5974 if (geteuid() != 0) {
5975 /* Try logind if we are a normal user and no special
5976 * mode applies. Maybe PolicyKit allows us to shutdown
5979 if (arg_when
<= 0 &&
5982 (arg_action
== ACTION_POWEROFF
||
5983 arg_action
== ACTION_REBOOT
)) {
5984 r
= reboot_with_logind(bus
, arg_action
);
5989 log_error("Must be root.");
5994 _cleanup_free_
char *m
;
5996 m
= strv_join(arg_wall
, " ");
5997 r
= send_shutdownd(arg_when
,
5998 arg_action
== ACTION_HALT
? 'H' :
5999 arg_action
== ACTION_POWEROFF
? 'P' :
6000 arg_action
== ACTION_KEXEC
? 'K' :
6007 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r
));
6009 char date
[FORMAT_TIMESTAMP_MAX
];
6011 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
6012 format_timestamp(date
, sizeof(date
), arg_when
));
6017 if (!arg_dry
&& !arg_force
)
6018 return start_with_fallback(bus
);
6021 if (sd_booted() > 0)
6022 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
6024 r
= utmp_put_shutdown();
6026 log_warning("Failed to write utmp record: %s", strerror(-r
));
6033 halt_now(arg_action
);
6034 /* We should never reach this. */
6038 static int runlevel_main(void) {
6039 int r
, runlevel
, previous
;
6041 r
= utmp_get_runlevel(&runlevel
, &previous
);
6048 previous
<= 0 ? 'N' : previous
,
6049 runlevel
<= 0 ? 'N' : runlevel
);
6054 int main(int argc
, char*argv
[]) {
6055 int r
, retval
= EXIT_FAILURE
;
6056 DBusConnection
*bus
= NULL
;
6057 _cleanup_dbus_error_free_ DBusError error
;
6059 dbus_error_init(&error
);
6061 setlocale(LC_ALL
, "");
6062 log_parse_environment();
6065 r
= parse_argv(argc
, argv
);
6069 retval
= EXIT_SUCCESS
;
6073 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
6074 * let's shortcut this */
6075 if (arg_action
== ACTION_RUNLEVEL
) {
6076 r
= runlevel_main();
6077 retval
= r
< 0 ? EXIT_FAILURE
: r
;
6081 if (running_in_chroot() > 0 && arg_action
!= ACTION_SYSTEMCTL
) {
6082 log_info("Running in chroot, ignoring request.");
6088 if (arg_transport
== TRANSPORT_NORMAL
)
6089 bus_connect(arg_scope
== UNIT_FILE_SYSTEM
? DBUS_BUS_SYSTEM
: DBUS_BUS_SESSION
, &bus
, &private_bus
, &error
);
6090 else if (arg_transport
== TRANSPORT_POLKIT
) {
6091 bus_connect_system_polkit(&bus
, &error
);
6092 private_bus
= false;
6093 } else if (arg_transport
== TRANSPORT_SSH
) {
6094 bus_connect_system_ssh(arg_user
, arg_host
, &bus
, &error
);
6095 private_bus
= false;
6097 assert_not_reached("Uh, invalid transport...");
6100 switch (arg_action
) {
6102 case ACTION_SYSTEMCTL
:
6103 r
= systemctl_main(bus
, argc
, argv
, &error
);
6107 case ACTION_POWEROFF
:
6113 case ACTION_RUNLEVEL2
:
6114 case ACTION_RUNLEVEL3
:
6115 case ACTION_RUNLEVEL4
:
6116 case ACTION_RUNLEVEL5
:
6118 case ACTION_EMERGENCY
:
6119 case ACTION_DEFAULT
:
6120 r
= start_with_fallback(bus
);
6125 r
= reload_with_fallback(bus
);
6128 case ACTION_CANCEL_SHUTDOWN
: {
6132 m
= strv_join(arg_wall
, " ");
6134 retval
= EXIT_FAILURE
;
6138 r
= send_shutdownd(arg_when
, SD_SHUTDOWN_NONE
, false, !arg_no_wall
, m
);
6140 log_warning("Failed to talk to shutdownd, shutdown hasn't been cancelled: %s", strerror(-r
));
6145 case ACTION_INVALID
:
6146 case ACTION_RUNLEVEL
:
6148 assert_not_reached("Unknown action");
6151 retval
= r
< 0 ? EXIT_FAILURE
: r
;
6155 dbus_connection_flush(bus
);
6156 dbus_connection_close(bus
);
6157 dbus_connection_unref(bus
);
6162 strv_free(arg_types
);
6163 strv_free(arg_states
);
6164 strv_free(arg_properties
);
6167 ask_password_agent_close();
6168 polkit_agent_close();