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 General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/reboot.h>
28 #include <sys/ioctl.h>
32 #include <sys/socket.h>
35 #include <sys/prctl.h>
36 #include <dbus/dbus.h>
38 #include <systemd/sd-daemon.h>
39 #include <systemd/sd-shutdown.h>
45 #include "utmp-wtmp.h"
49 #include "dbus-common.h"
50 #include "cgroup-show.h"
51 #include "cgroup-util.h"
53 #include "path-lookup.h"
54 #include "conf-parser.h"
55 #include "exit-status.h"
56 #include "bus-errors.h"
58 #include "unit-name.h"
60 #include "spawn-ask-password-agent.h"
61 #include "spawn-polkit-agent.h"
63 #include "logs-show.h"
65 static const char *arg_type
= NULL
;
66 static char **arg_property
= NULL
;
67 static bool arg_all
= false;
68 static const char *arg_job_mode
= "replace";
69 static UnitFileScope arg_scope
= UNIT_FILE_SYSTEM
;
70 static bool arg_immediate
= false;
71 static bool arg_no_block
= false;
72 static bool arg_no_legend
= false;
73 static bool arg_no_pager
= false;
74 static bool arg_no_wtmp
= false;
75 static bool arg_no_sync
= false;
76 static bool arg_no_wall
= false;
77 static bool arg_no_reload
= false;
78 static bool arg_dry
= false;
79 static bool arg_quiet
= false;
80 static bool arg_full
= false;
81 static int arg_force
= 0;
82 static bool arg_ask_password
= true;
83 static bool arg_failed
= false;
84 static bool arg_runtime
= false;
85 static char **arg_wall
= NULL
;
86 static const char *arg_kill_who
= NULL
;
87 static const char *arg_kill_mode
= NULL
;
88 static int arg_signal
= SIGTERM
;
89 static const char *arg_root
= NULL
;
90 static usec_t arg_when
= 0;
109 ACTION_CANCEL_SHUTDOWN
,
111 } arg_action
= ACTION_SYSTEMCTL
;
117 static enum transport
{
121 } arg_transport
= TRANSPORT_NORMAL
;
122 static const char *arg_host
= NULL
;
123 static bool arg_follow
= false;
124 static unsigned arg_lines
= 10;
125 static OutputMode arg_output
= OUTPUT_SHORT
;
127 static bool private_bus
= false;
129 static int daemon_reload(DBusConnection
*bus
, char **args
);
130 static void halt_now(enum action a
);
132 static bool on_tty(void) {
135 /* Note that this is invoked relatively early, before we start
136 * the pager. That means the value we return reflects whether
137 * we originally were started on a tty, not if we currently
138 * are. But this is intended, since we want colour and so on
139 * when run in our own pager. */
141 if (_unlikely_(t
< 0))
142 t
= isatty(STDOUT_FILENO
) > 0;
147 static void pager_open_if_enabled(void) {
149 /* Cache result before we open the pager */
158 static void ask_password_agent_open_if_enabled(void) {
160 /* Open the password agent as a child process if necessary */
162 if (!arg_ask_password
)
165 if (arg_scope
!= UNIT_FILE_SYSTEM
)
168 ask_password_agent_open();
171 static void polkit_agent_open_if_enabled(void) {
173 /* Open the polkit agent as a child process if necessary */
175 if (!arg_ask_password
)
178 if (arg_scope
!= UNIT_FILE_SYSTEM
)
184 static const char *ansi_highlight_red(bool b
) {
189 return b
? ANSI_HIGHLIGHT_RED_ON
: ANSI_HIGHLIGHT_OFF
;
192 static const char *ansi_highlight_green(bool b
) {
197 return b
? ANSI_HIGHLIGHT_GREEN_ON
: ANSI_HIGHLIGHT_OFF
;
200 static bool error_is_no_service(const DBusError
*error
) {
203 if (!dbus_error_is_set(error
))
206 if (dbus_error_has_name(error
, DBUS_ERROR_NAME_HAS_NO_OWNER
))
209 if (dbus_error_has_name(error
, DBUS_ERROR_SERVICE_UNKNOWN
))
212 return startswith(error
->name
, "org.freedesktop.DBus.Error.Spawn.");
215 static int translate_bus_error_to_exit_status(int r
, const DBusError
*error
) {
218 if (!dbus_error_is_set(error
))
221 if (dbus_error_has_name(error
, DBUS_ERROR_ACCESS_DENIED
) ||
222 dbus_error_has_name(error
, BUS_ERROR_ONLY_BY_DEPENDENCY
) ||
223 dbus_error_has_name(error
, BUS_ERROR_NO_ISOLATION
) ||
224 dbus_error_has_name(error
, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE
))
225 return EXIT_NOPERMISSION
;
227 if (dbus_error_has_name(error
, BUS_ERROR_NO_SUCH_UNIT
))
228 return EXIT_NOTINSTALLED
;
230 if (dbus_error_has_name(error
, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE
) ||
231 dbus_error_has_name(error
, BUS_ERROR_NOT_SUPPORTED
))
232 return EXIT_NOTIMPLEMENTED
;
234 if (dbus_error_has_name(error
, BUS_ERROR_LOAD_FAILED
))
235 return EXIT_NOTCONFIGURED
;
243 static void warn_wall(enum action a
) {
244 static const char *table
[_ACTION_MAX
] = {
245 [ACTION_HALT
] = "The system is going down for system halt NOW!",
246 [ACTION_REBOOT
] = "The system is going down for reboot NOW!",
247 [ACTION_POWEROFF
] = "The system is going down for power-off NOW!",
248 [ACTION_KEXEC
] = "The system is going down for kexec reboot NOW!",
249 [ACTION_RESCUE
] = "The system is going down to rescue mode NOW!",
250 [ACTION_EMERGENCY
] = "The system is going down to emergency mode NOW!"
259 p
= strv_join(arg_wall
, " ");
261 log_error("Failed to join strings.");
277 utmp_wall(table
[a
], NULL
);
280 static bool avoid_bus(void) {
282 if (running_in_chroot() > 0)
285 if (sd_booted() <= 0)
288 if (!isempty(arg_root
))
291 if (arg_scope
== UNIT_FILE_GLOBAL
)
299 const char *description
;
300 const char *load_state
;
301 const char *active_state
;
302 const char *sub_state
;
303 const char *following
;
304 const char *unit_path
;
306 const char *job_type
;
307 const char *job_path
;
310 static int compare_unit_info(const void *a
, const void *b
) {
312 const struct unit_info
*u
= a
, *v
= b
;
314 d1
= strrchr(u
->id
, '.');
315 d2
= strrchr(v
->id
, '.');
320 if ((r
= strcasecmp(d1
, d2
)) != 0)
324 return strcasecmp(u
->id
, v
->id
);
327 static bool output_show_unit(const struct unit_info
*u
) {
331 return streq(u
->active_state
, "failed");
333 return (!arg_type
|| ((dot
= strrchr(u
->id
, '.')) &&
334 streq(dot
+1, arg_type
))) &&
335 (arg_all
|| !(streq(u
->active_state
, "inactive") || u
->following
[0]) || u
->job_id
> 0);
338 static void output_units_list(const struct unit_info
*unit_infos
, unsigned c
) {
339 unsigned id_len
, max_id_len
, active_len
, sub_len
, job_len
, desc_len
, n_shown
= 0;
340 const struct unit_info
*u
;
342 max_id_len
= sizeof("UNIT")-1;
343 active_len
= sizeof("ACTIVE")-1;
344 sub_len
= sizeof("SUB")-1;
345 job_len
= sizeof("JOB")-1;
348 for (u
= unit_infos
; u
< unit_infos
+ c
; u
++) {
349 if (!output_show_unit(u
))
352 max_id_len
= MAX(max_id_len
, strlen(u
->id
));
353 active_len
= MAX(active_len
, strlen(u
->active_state
));
354 sub_len
= MAX(sub_len
, strlen(u
->sub_state
));
356 job_len
= MAX(job_len
, strlen(u
->job_type
));
361 id_len
= MIN(max_id_len
, 25);
362 basic_len
= 5 + id_len
+ 6 + active_len
+ sub_len
+ job_len
;
363 if (basic_len
< (unsigned) columns()) {
364 unsigned extra_len
, incr
;
365 extra_len
= columns() - basic_len
;
366 /* Either UNIT already got 25, or is fully satisfied.
367 * Grant up to 25 to DESC now. */
368 incr
= MIN(extra_len
, 25);
371 /* split the remaining space between UNIT and DESC,
372 * but do not give UNIT more than it needs. */
374 incr
= MIN(extra_len
/ 2, max_id_len
- id_len
);
376 desc_len
+= extra_len
- incr
;
382 if (!arg_no_legend
) {
383 printf("%-*s %-6s %-*s %-*s %-*s ", id_len
, "UNIT", "LOAD",
384 active_len
, "ACTIVE", sub_len
, "SUB", job_len
, "JOB");
385 if (!arg_full
&& arg_no_pager
)
386 printf("%.*s\n", desc_len
, "DESCRIPTION");
388 printf("%s\n", "DESCRIPTION");
391 for (u
= unit_infos
; u
< unit_infos
+ c
; u
++) {
393 const char *on_loaded
, *off_loaded
;
394 const char *on_active
, *off_active
;
396 if (!output_show_unit(u
))
401 if (streq(u
->load_state
, "error")) {
402 on_loaded
= ansi_highlight_red(true);
403 off_loaded
= ansi_highlight_red(false);
405 on_loaded
= off_loaded
= "";
407 if (streq(u
->active_state
, "failed")) {
408 on_active
= ansi_highlight_red(true);
409 off_active
= ansi_highlight_red(false);
411 on_active
= off_active
= "";
413 e
= arg_full
? NULL
: ellipsize(u
->id
, id_len
, 33);
415 printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ",
416 id_len
, e
? e
: u
->id
,
417 on_loaded
, u
->load_state
, off_loaded
,
418 on_active
, active_len
, u
->active_state
,
419 sub_len
, u
->sub_state
, off_active
,
420 job_len
, u
->job_id
? u
->job_type
: "");
421 if (!arg_full
&& arg_no_pager
)
422 printf("%.*s\n", desc_len
, u
->description
);
424 printf("%s\n", u
->description
);
429 if (!arg_no_legend
) {
430 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
431 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
432 "SUB = The low-level unit activation state, values depend on unit type.\n"
433 "JOB = Pending job for the unit.\n");
436 printf("\n%u units listed.\n", n_shown
);
438 printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown
);
442 static int list_units(DBusConnection
*bus
, char **args
) {
443 DBusMessage
*m
= NULL
, *reply
= NULL
;
446 DBusMessageIter iter
, sub
, sub2
;
447 unsigned c
= 0, n_units
= 0;
448 struct unit_info
*unit_infos
= NULL
;
450 dbus_error_init(&error
);
454 pager_open_if_enabled();
456 if (!(m
= dbus_message_new_method_call(
457 "org.freedesktop.systemd1",
458 "/org/freedesktop/systemd1",
459 "org.freedesktop.systemd1.Manager",
461 log_error("Could not allocate message.");
465 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
466 log_error("Failed to issue method call: %s", bus_error_message(&error
));
471 if (!dbus_message_iter_init(reply
, &iter
) ||
472 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
473 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
474 log_error("Failed to parse reply.");
479 dbus_message_iter_recurse(&iter
, &sub
);
481 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
484 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
485 log_error("Failed to parse reply.");
493 n_units
= MAX(2*c
, 16);
494 w
= realloc(unit_infos
, sizeof(struct unit_info
) * n_units
);
497 log_error("Failed to allocate unit array.");
507 dbus_message_iter_recurse(&sub
, &sub2
);
509 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->id
, true) < 0 ||
510 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->description
, true) < 0 ||
511 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->load_state
, true) < 0 ||
512 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->active_state
, true) < 0 ||
513 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->sub_state
, true) < 0 ||
514 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->following
, true) < 0 ||
515 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &u
->unit_path
, true) < 0 ||
516 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &u
->job_id
, true) < 0 ||
517 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->job_type
, true) < 0 ||
518 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &u
->job_path
, false) < 0) {
519 log_error("Failed to parse reply.");
524 dbus_message_iter_next(&sub
);
529 qsort(unit_infos
, c
, sizeof(struct unit_info
), compare_unit_info
);
530 output_units_list(unit_infos
, c
);
537 dbus_message_unref(m
);
540 dbus_message_unref(reply
);
544 dbus_error_free(&error
);
549 static int compare_unit_file_list(const void *a
, const void *b
) {
551 const UnitFileList
*u
= a
, *v
= b
;
553 d1
= strrchr(u
->path
, '.');
554 d2
= strrchr(v
->path
, '.');
559 r
= strcasecmp(d1
, d2
);
564 return strcasecmp(file_name_from_path(u
->path
), file_name_from_path(v
->path
));
567 static bool output_show_unit_file(const UnitFileList
*u
) {
570 return !arg_type
|| ((dot
= strrchr(u
->path
, '.')) && streq(dot
+1, arg_type
));
573 static void output_unit_file_list(const UnitFileList
*units
, unsigned c
) {
574 unsigned max_id_len
, id_cols
, state_cols
, n_shown
= 0;
575 const UnitFileList
*u
;
577 max_id_len
= sizeof("UNIT FILE")-1;
578 state_cols
= sizeof("STATE")-1;
579 for (u
= units
; u
< units
+ c
; u
++) {
580 if (!output_show_unit_file(u
))
583 max_id_len
= MAX(max_id_len
, strlen(file_name_from_path(u
->path
)));
584 state_cols
= MAX(state_cols
, strlen(unit_file_state_to_string(u
->state
)));
589 id_cols
= MIN(max_id_len
, 25);
590 basic_cols
= 1 + id_cols
+ state_cols
;
591 if (basic_cols
< (unsigned) columns())
592 id_cols
+= MIN(columns() - basic_cols
, max_id_len
- id_cols
);
594 id_cols
= max_id_len
;
597 printf("%-*s %-*s\n", id_cols
, "UNIT FILE", state_cols
, "STATE");
599 for (u
= units
; u
< units
+ c
; u
++) {
601 const char *on
, *off
;
604 if (!output_show_unit_file(u
))
609 if (u
->state
== UNIT_FILE_MASKED
||
610 u
->state
== UNIT_FILE_MASKED_RUNTIME
||
611 u
->state
== UNIT_FILE_DISABLED
) {
612 on
= ansi_highlight_red(true);
613 off
= ansi_highlight_red(false);
614 } else if (u
->state
== UNIT_FILE_ENABLED
) {
615 on
= ansi_highlight_green(true);
616 off
= ansi_highlight_green(false);
620 id
= file_name_from_path(u
->path
);
622 e
= arg_full
? NULL
: ellipsize(id
, id_cols
, 33);
624 printf("%-*s %s%-*s%s\n",
626 on
, state_cols
, unit_file_state_to_string(u
->state
), off
);
632 printf("\n%u unit files listed.\n", n_shown
);
635 static int list_unit_files(DBusConnection
*bus
, char **args
) {
636 DBusMessage
*m
= NULL
, *reply
= NULL
;
639 DBusMessageIter iter
, sub
, sub2
;
640 unsigned c
= 0, n_units
= 0;
641 UnitFileList
*units
= NULL
;
643 dbus_error_init(&error
);
645 pager_open_if_enabled();
652 h
= hashmap_new(string_hash_func
, string_compare_func
);
654 log_error("Out of memory");
658 r
= unit_file_get_list(arg_scope
, arg_root
, h
);
660 unit_file_list_free(h
);
661 log_error("Failed to get unit file list: %s", strerror(-r
));
665 n_units
= hashmap_size(h
);
666 units
= new(UnitFileList
, n_units
);
668 unit_file_list_free(h
);
669 log_error("Out of memory");
673 HASHMAP_FOREACH(u
, h
, i
) {
674 memcpy(units
+ c
++, u
, sizeof(UnitFileList
));
682 m
= dbus_message_new_method_call(
683 "org.freedesktop.systemd1",
684 "/org/freedesktop/systemd1",
685 "org.freedesktop.systemd1.Manager",
688 log_error("Could not allocate message.");
692 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
694 log_error("Failed to issue method call: %s", bus_error_message(&error
));
699 if (!dbus_message_iter_init(reply
, &iter
) ||
700 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
701 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
702 log_error("Failed to parse reply.");
707 dbus_message_iter_recurse(&iter
, &sub
);
709 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
713 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
714 log_error("Failed to parse reply.");
722 n_units
= MAX(2*c
, 16);
723 w
= realloc(units
, sizeof(struct UnitFileList
) * n_units
);
726 log_error("Failed to allocate unit array.");
736 dbus_message_iter_recurse(&sub
, &sub2
);
738 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &u
->path
, true) < 0 ||
739 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &state
, false) < 0) {
740 log_error("Failed to parse reply.");
745 u
->state
= unit_file_state_from_string(state
);
747 dbus_message_iter_next(&sub
);
753 qsort(units
, c
, sizeof(UnitFileList
), compare_unit_file_list
);
754 output_unit_file_list(units
, c
);
761 dbus_message_unref(m
);
764 dbus_message_unref(reply
);
768 dbus_error_free(&error
);
773 static int dot_one_property(const char *name
, const char *prop
, DBusMessageIter
*iter
) {
774 static const char * const colors
[] = {
775 "Requires", "[color=\"black\"]",
776 "RequiresOverridable", "[color=\"black\"]",
777 "Requisite", "[color=\"darkblue\"]",
778 "RequisiteOverridable", "[color=\"darkblue\"]",
779 "Wants", "[color=\"darkgrey\"]",
780 "Conflicts", "[color=\"red\"]",
781 "ConflictedBy", "[color=\"red\"]",
782 "After", "[color=\"green\"]"
785 const char *c
= NULL
;
792 for (i
= 0; i
< ELEMENTSOF(colors
); i
+= 2)
793 if (streq(colors
[i
], prop
)) {
801 if (arg_dot
!= DOT_ALL
)
802 if ((arg_dot
== DOT_ORDER
) != streq(prop
, "After"))
805 switch (dbus_message_iter_get_arg_type(iter
)) {
807 case DBUS_TYPE_ARRAY
:
809 if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRING
) {
812 dbus_message_iter_recurse(iter
, &sub
);
814 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
817 assert(dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
);
818 dbus_message_iter_get_basic(&sub
, &s
);
819 printf("\t\"%s\"->\"%s\" %s;\n", name
, s
, c
);
821 dbus_message_iter_next(&sub
);
831 static int dot_one(DBusConnection
*bus
, const char *name
, const char *path
) {
832 DBusMessage
*m
= NULL
, *reply
= NULL
;
833 const char *interface
= "org.freedesktop.systemd1.Unit";
836 DBusMessageIter iter
, sub
, sub2
, sub3
;
841 dbus_error_init(&error
);
843 if (!(m
= dbus_message_new_method_call(
844 "org.freedesktop.systemd1",
846 "org.freedesktop.DBus.Properties",
848 log_error("Could not allocate message.");
853 if (!dbus_message_append_args(m
,
854 DBUS_TYPE_STRING
, &interface
,
855 DBUS_TYPE_INVALID
)) {
856 log_error("Could not append arguments to message.");
861 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
862 log_error("Failed to issue method call: %s", bus_error_message(&error
));
867 if (!dbus_message_iter_init(reply
, &iter
) ||
868 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
869 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_DICT_ENTRY
) {
870 log_error("Failed to parse reply.");
875 dbus_message_iter_recurse(&iter
, &sub
);
877 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
880 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_DICT_ENTRY
) {
881 log_error("Failed to parse reply.");
886 dbus_message_iter_recurse(&sub
, &sub2
);
888 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &prop
, true) < 0) {
889 log_error("Failed to parse reply.");
894 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_VARIANT
) {
895 log_error("Failed to parse reply.");
900 dbus_message_iter_recurse(&sub2
, &sub3
);
902 if (dot_one_property(name
, prop
, &sub3
)) {
903 log_error("Failed to parse reply.");
908 dbus_message_iter_next(&sub
);
915 dbus_message_unref(m
);
918 dbus_message_unref(reply
);
920 dbus_error_free(&error
);
925 static int dot(DBusConnection
*bus
, char **args
) {
926 DBusMessage
*m
= NULL
, *reply
= NULL
;
929 DBusMessageIter iter
, sub
, sub2
;
931 dbus_error_init(&error
);
935 if (!(m
= dbus_message_new_method_call(
936 "org.freedesktop.systemd1",
937 "/org/freedesktop/systemd1",
938 "org.freedesktop.systemd1.Manager",
940 log_error("Could not allocate message.");
944 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
945 log_error("Failed to issue method call: %s", bus_error_message(&error
));
950 if (!dbus_message_iter_init(reply
, &iter
) ||
951 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
952 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
953 log_error("Failed to parse reply.");
958 printf("digraph systemd {\n");
960 dbus_message_iter_recurse(&iter
, &sub
);
961 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
962 const char *id
, *description
, *load_state
, *active_state
, *sub_state
, *following
, *unit_path
;
964 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
965 log_error("Failed to parse reply.");
970 dbus_message_iter_recurse(&sub
, &sub2
);
972 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &id
, true) < 0 ||
973 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &description
, true) < 0 ||
974 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &load_state
, true) < 0 ||
975 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &active_state
, true) < 0 ||
976 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &sub_state
, true) < 0 ||
977 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &following
, true) < 0 ||
978 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &unit_path
, true) < 0) {
979 log_error("Failed to parse reply.");
984 if ((r
= dot_one(bus
, id
, unit_path
)) < 0)
987 /* printf("\t\"%s\";\n", id); */
988 dbus_message_iter_next(&sub
);
993 log_info(" Color legend: black = Requires\n"
994 " dark blue = Requisite\n"
995 " dark grey = Wants\n"
1000 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1001 "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
1007 dbus_message_unref(m
);
1010 dbus_message_unref(reply
);
1012 dbus_error_free(&error
);
1017 static int list_jobs(DBusConnection
*bus
, char **args
) {
1018 DBusMessage
*m
= NULL
, *reply
= NULL
;
1021 DBusMessageIter iter
, sub
, sub2
;
1024 dbus_error_init(&error
);
1028 pager_open_if_enabled();
1030 if (!(m
= dbus_message_new_method_call(
1031 "org.freedesktop.systemd1",
1032 "/org/freedesktop/systemd1",
1033 "org.freedesktop.systemd1.Manager",
1035 log_error("Could not allocate message.");
1039 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1040 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1045 if (!dbus_message_iter_init(reply
, &iter
) ||
1046 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
1047 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
1048 log_error("Failed to parse reply.");
1053 dbus_message_iter_recurse(&iter
, &sub
);
1056 printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
1058 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
1059 const char *name
, *type
, *state
, *job_path
, *unit_path
;
1063 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
1064 log_error("Failed to parse reply.");
1069 dbus_message_iter_recurse(&sub
, &sub2
);
1071 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &id
, true) < 0 ||
1072 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &name
, true) < 0 ||
1073 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) < 0 ||
1074 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &state
, true) < 0 ||
1075 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &job_path
, true) < 0 ||
1076 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_OBJECT_PATH
, &unit_path
, false) < 0) {
1077 log_error("Failed to parse reply.");
1082 e
= arg_full
? NULL
: ellipsize(name
, 25, 33);
1083 printf("%4u %-25s %-15s %-7s\n", id
, e
? e
: name
, type
, state
);
1088 dbus_message_iter_next(&sub
);
1092 printf("\n%u jobs listed.\n", k
);
1098 dbus_message_unref(m
);
1101 dbus_message_unref(reply
);
1103 dbus_error_free(&error
);
1108 static int load_unit(DBusConnection
*bus
, char **args
) {
1109 DBusMessage
*m
= NULL
;
1114 dbus_error_init(&error
);
1119 STRV_FOREACH(name
, args
+1) {
1122 if (!(m
= dbus_message_new_method_call(
1123 "org.freedesktop.systemd1",
1124 "/org/freedesktop/systemd1",
1125 "org.freedesktop.systemd1.Manager",
1127 log_error("Could not allocate message.");
1132 if (!dbus_message_append_args(m
,
1133 DBUS_TYPE_STRING
, name
,
1134 DBUS_TYPE_INVALID
)) {
1135 log_error("Could not append arguments to message.");
1140 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1141 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1146 dbus_message_unref(m
);
1147 dbus_message_unref(reply
);
1156 dbus_message_unref(m
);
1158 dbus_error_free(&error
);
1163 static int cancel_job(DBusConnection
*bus
, char **args
) {
1164 DBusMessage
*m
= NULL
, *reply
= NULL
;
1169 dbus_error_init(&error
);
1174 if (strv_length(args
) <= 1)
1175 return daemon_reload(bus
, args
);
1177 STRV_FOREACH(name
, args
+1) {
1181 if (!(m
= dbus_message_new_method_call(
1182 "org.freedesktop.systemd1",
1183 "/org/freedesktop/systemd1",
1184 "org.freedesktop.systemd1.Manager",
1186 log_error("Could not allocate message.");
1191 if ((r
= safe_atou(*name
, &id
)) < 0) {
1192 log_error("Failed to parse job id: %s", strerror(-r
));
1196 assert_cc(sizeof(uint32_t) == sizeof(id
));
1197 if (!dbus_message_append_args(m
,
1198 DBUS_TYPE_UINT32
, &id
,
1199 DBUS_TYPE_INVALID
)) {
1200 log_error("Could not append arguments to message.");
1205 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1206 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1211 if (!dbus_message_get_args(reply
, &error
,
1212 DBUS_TYPE_OBJECT_PATH
, &path
,
1213 DBUS_TYPE_INVALID
)) {
1214 log_error("Failed to parse reply: %s", bus_error_message(&error
));
1219 dbus_message_unref(m
);
1220 if (!(m
= dbus_message_new_method_call(
1221 "org.freedesktop.systemd1",
1223 "org.freedesktop.systemd1.Job",
1225 log_error("Could not allocate message.");
1230 dbus_message_unref(reply
);
1231 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1232 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1237 dbus_message_unref(m
);
1238 dbus_message_unref(reply
);
1246 dbus_message_unref(m
);
1249 dbus_message_unref(reply
);
1251 dbus_error_free(&error
);
1256 static bool need_daemon_reload(DBusConnection
*bus
, const char *unit
) {
1257 DBusMessage
*m
= NULL
, *reply
= NULL
;
1258 dbus_bool_t b
= FALSE
;
1259 DBusMessageIter iter
, sub
;
1261 *interface
= "org.freedesktop.systemd1.Unit",
1262 *property
= "NeedDaemonReload",
1265 /* We ignore all errors here, since this is used to show a warning only */
1267 if (!(m
= dbus_message_new_method_call(
1268 "org.freedesktop.systemd1",
1269 "/org/freedesktop/systemd1",
1270 "org.freedesktop.systemd1.Manager",
1274 if (!dbus_message_append_args(m
,
1275 DBUS_TYPE_STRING
, &unit
,
1279 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, NULL
)))
1282 if (!dbus_message_get_args(reply
, NULL
,
1283 DBUS_TYPE_OBJECT_PATH
, &path
,
1287 dbus_message_unref(m
);
1288 if (!(m
= dbus_message_new_method_call(
1289 "org.freedesktop.systemd1",
1291 "org.freedesktop.DBus.Properties",
1295 if (!dbus_message_append_args(m
,
1296 DBUS_TYPE_STRING
, &interface
,
1297 DBUS_TYPE_STRING
, &property
,
1298 DBUS_TYPE_INVALID
)) {
1302 dbus_message_unref(reply
);
1303 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, NULL
)))
1306 if (!dbus_message_iter_init(reply
, &iter
) ||
1307 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
)
1310 dbus_message_iter_recurse(&iter
, &sub
);
1312 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_BOOLEAN
)
1315 dbus_message_iter_get_basic(&sub
, &b
);
1319 dbus_message_unref(m
);
1322 dbus_message_unref(reply
);
1327 typedef struct WaitData
{
1332 static DBusHandlerResult
wait_filter(DBusConnection
*connection
, DBusMessage
*message
, void *data
) {
1340 dbus_error_init(&error
);
1342 log_debug("Got D-Bus request: %s.%s() on %s",
1343 dbus_message_get_interface(message
),
1344 dbus_message_get_member(message
),
1345 dbus_message_get_path(message
));
1347 if (dbus_message_is_signal(message
, DBUS_INTERFACE_LOCAL
, "Disconnected")) {
1348 log_error("Warning! D-Bus connection terminated.");
1349 dbus_connection_close(connection
);
1351 } else if (dbus_message_is_signal(message
, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1353 const char *path
, *result
;
1354 dbus_bool_t success
= true;
1356 if (dbus_message_get_args(message
, &error
,
1357 DBUS_TYPE_UINT32
, &id
,
1358 DBUS_TYPE_OBJECT_PATH
, &path
,
1359 DBUS_TYPE_STRING
, &result
,
1360 DBUS_TYPE_INVALID
)) {
1363 if ((p
= set_remove(d
->set
, (char*) path
)))
1367 d
->result
= strdup(result
);
1372 dbus_error_free(&error
);
1374 if (dbus_message_get_args(message
, &error
,
1375 DBUS_TYPE_UINT32
, &id
,
1376 DBUS_TYPE_OBJECT_PATH
, &path
,
1377 DBUS_TYPE_BOOLEAN
, &success
,
1378 DBUS_TYPE_INVALID
)) {
1381 /* Compatibility with older systemd versions <
1382 * 19 during upgrades. This should be dropped
1385 if ((p
= set_remove(d
->set
, (char*) path
)))
1389 d
->result
= strdup("failed");
1395 log_error("Failed to parse message: %s", bus_error_message(&error
));
1399 dbus_error_free(&error
);
1400 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED
;
1403 static int enable_wait_for_jobs(DBusConnection
*bus
) {
1411 dbus_error_init(&error
);
1412 dbus_bus_add_match(bus
,
1414 "sender='org.freedesktop.systemd1',"
1415 "interface='org.freedesktop.systemd1.Manager',"
1416 "member='JobRemoved',"
1417 "path='/org/freedesktop/systemd1'",
1420 if (dbus_error_is_set(&error
)) {
1421 log_error("Failed to add match: %s", bus_error_message(&error
));
1422 dbus_error_free(&error
);
1426 /* This is slightly dirty, since we don't undo the match registrations. */
1430 static int wait_for_jobs(DBusConnection
*bus
, Set
*s
) {
1440 if (!dbus_connection_add_filter(bus
, wait_filter
, &d
, NULL
)) {
1441 log_error("Failed to add filter.");
1446 while (!set_isempty(s
) &&
1447 dbus_connection_read_write_dispatch(bus
, -1))
1450 if (!arg_quiet
&& d
.result
) {
1451 if (streq(d
.result
, "timeout"))
1452 log_error("Job timed out.");
1453 else if (streq(d
.result
, "canceled"))
1454 log_error("Job canceled.");
1455 else if (streq(d
.result
, "dependency"))
1456 log_error("A dependency job failed. See system journal for details.");
1457 else if (!streq(d
.result
, "done") && !streq(d
.result
, "skipped"))
1458 log_error("Job failed. See system journal and 'systemctl status' for details.");
1461 if (streq_ptr(d
.result
, "timeout"))
1463 else if (streq_ptr(d
.result
, "canceled"))
1465 else if (!streq_ptr(d
.result
, "done") && !streq_ptr(d
.result
, "skipped"))
1473 /* This is slightly dirty, since we don't undo the filter registration. */
1478 static int start_unit_one(
1479 DBusConnection
*bus
,
1486 DBusMessage
*m
= NULL
, *reply
= NULL
;
1495 assert(arg_no_block
|| s
);
1497 if (!(m
= dbus_message_new_method_call(
1498 "org.freedesktop.systemd1",
1499 "/org/freedesktop/systemd1",
1500 "org.freedesktop.systemd1.Manager",
1502 log_error("Could not allocate message.");
1507 if (!dbus_message_append_args(m
,
1508 DBUS_TYPE_STRING
, &name
,
1509 DBUS_TYPE_STRING
, &mode
,
1510 DBUS_TYPE_INVALID
)) {
1511 log_error("Could not append arguments to message.");
1516 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, error
))) {
1518 if (arg_action
!= ACTION_SYSTEMCTL
&& error_is_no_service(error
)) {
1519 /* There's always a fallback possible for
1520 * legacy actions. */
1525 log_error("Failed to issue method call: %s", bus_error_message(error
));
1530 if (!dbus_message_get_args(reply
, error
,
1531 DBUS_TYPE_OBJECT_PATH
, &path
,
1532 DBUS_TYPE_INVALID
)) {
1533 log_error("Failed to parse reply: %s", bus_error_message(error
));
1538 if (need_daemon_reload(bus
, name
))
1539 log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
1540 arg_scope
== UNIT_FILE_SYSTEM
? "--system" : "--user");
1542 if (!arg_no_block
) {
1545 if (!(p
= strdup(path
))) {
1546 log_error("Failed to duplicate path.");
1551 if ((r
= set_put(s
, p
)) < 0) {
1553 log_error("Failed to add path to set.");
1562 dbus_message_unref(m
);
1565 dbus_message_unref(reply
);
1570 static enum action
verb_to_action(const char *verb
) {
1571 if (streq(verb
, "halt"))
1573 else if (streq(verb
, "poweroff"))
1574 return ACTION_POWEROFF
;
1575 else if (streq(verb
, "reboot"))
1576 return ACTION_REBOOT
;
1577 else if (streq(verb
, "kexec"))
1578 return ACTION_KEXEC
;
1579 else if (streq(verb
, "rescue"))
1580 return ACTION_RESCUE
;
1581 else if (streq(verb
, "emergency"))
1582 return ACTION_EMERGENCY
;
1583 else if (streq(verb
, "default"))
1584 return ACTION_DEFAULT
;
1585 else if (streq(verb
, "exit"))
1588 return ACTION_INVALID
;
1591 static int start_unit(DBusConnection
*bus
, char **args
) {
1593 static const char * const table
[_ACTION_MAX
] = {
1594 [ACTION_HALT
] = SPECIAL_HALT_TARGET
,
1595 [ACTION_POWEROFF
] = SPECIAL_POWEROFF_TARGET
,
1596 [ACTION_REBOOT
] = SPECIAL_REBOOT_TARGET
,
1597 [ACTION_KEXEC
] = SPECIAL_KEXEC_TARGET
,
1598 [ACTION_RUNLEVEL2
] = SPECIAL_RUNLEVEL2_TARGET
,
1599 [ACTION_RUNLEVEL3
] = SPECIAL_RUNLEVEL3_TARGET
,
1600 [ACTION_RUNLEVEL4
] = SPECIAL_RUNLEVEL4_TARGET
,
1601 [ACTION_RUNLEVEL5
] = SPECIAL_RUNLEVEL5_TARGET
,
1602 [ACTION_RESCUE
] = SPECIAL_RESCUE_TARGET
,
1603 [ACTION_EMERGENCY
] = SPECIAL_EMERGENCY_TARGET
,
1604 [ACTION_DEFAULT
] = SPECIAL_DEFAULT_TARGET
,
1605 [ACTION_EXIT
] = SPECIAL_EXIT_TARGET
1609 const char *method
, *mode
, *one_name
;
1614 dbus_error_init(&error
);
1618 ask_password_agent_open_if_enabled();
1620 if (arg_action
== ACTION_SYSTEMCTL
) {
1622 streq(args
[0], "stop") ||
1623 streq(args
[0], "condstop") ? "StopUnit" :
1624 streq(args
[0], "reload") ? "ReloadUnit" :
1625 streq(args
[0], "restart") ? "RestartUnit" :
1627 streq(args
[0], "try-restart") ||
1628 streq(args
[0], "condrestart") ? "TryRestartUnit" :
1630 streq(args
[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
1632 streq(args
[0], "reload-or-try-restart") ||
1633 streq(args
[0], "condreload") ||
1635 streq(args
[0], "force-reload") ? "ReloadOrTryRestartUnit" :
1639 (streq(args
[0], "isolate") ||
1640 streq(args
[0], "rescue") ||
1641 streq(args
[0], "emergency")) ? "isolate" : arg_job_mode
;
1643 one_name
= table
[verb_to_action(args
[0])];
1646 assert(arg_action
< ELEMENTSOF(table
));
1647 assert(table
[arg_action
]);
1649 method
= "StartUnit";
1651 mode
= (arg_action
== ACTION_EMERGENCY
||
1652 arg_action
== ACTION_RESCUE
||
1653 arg_action
== ACTION_RUNLEVEL2
||
1654 arg_action
== ACTION_RUNLEVEL3
||
1655 arg_action
== ACTION_RUNLEVEL4
||
1656 arg_action
== ACTION_RUNLEVEL5
) ? "isolate" : "replace";
1658 one_name
= table
[arg_action
];
1661 if (!arg_no_block
) {
1662 if ((ret
= enable_wait_for_jobs(bus
)) < 0) {
1663 log_error("Could not watch jobs: %s", strerror(-ret
));
1667 if (!(s
= set_new(string_hash_func
, string_compare_func
))) {
1668 log_error("Failed to allocate set.");
1675 if ((ret
= start_unit_one(bus
, method
, one_name
, mode
, &error
, s
)) <= 0)
1678 STRV_FOREACH(name
, args
+1)
1679 if ((r
= start_unit_one(bus
, method
, *name
, mode
, &error
, s
)) != 0) {
1680 ret
= translate_bus_error_to_exit_status(r
, &error
);
1681 dbus_error_free(&error
);
1686 if ((r
= wait_for_jobs(bus
, s
)) < 0) {
1695 dbus_error_free(&error
);
1700 /* Ask systemd-logind, which might grant access to unprivileged users
1701 * through PolicyKit */
1702 static int reboot_with_logind(DBusConnection
*bus
, enum action a
) {
1705 DBusMessage
*m
= NULL
, *reply
= NULL
;
1707 dbus_bool_t interactive
= true;
1710 dbus_error_init(&error
);
1712 polkit_agent_open_if_enabled();
1720 case ACTION_POWEROFF
:
1721 method
= "PowerOff";
1728 m
= dbus_message_new_method_call(
1729 "org.freedesktop.login1",
1730 "/org/freedesktop/login1",
1731 "org.freedesktop.login1.Manager",
1734 log_error("Could not allocate message.");
1739 if (!dbus_message_append_args(m
,
1740 DBUS_TYPE_BOOLEAN
, &interactive
,
1741 DBUS_TYPE_INVALID
)) {
1742 log_error("Could not append arguments to message.");
1747 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
1749 if (error_is_no_service(&error
)) {
1750 log_debug("Failed to issue method call: %s", bus_error_message(&error
));
1755 if (dbus_error_has_name(&error
, DBUS_ERROR_ACCESS_DENIED
)) {
1756 log_debug("Failed to issue method call: %s", bus_error_message(&error
));
1761 log_info("Failed to issue method call: %s", bus_error_message(&error
));
1770 dbus_message_unref(m
);
1773 dbus_message_unref(reply
);
1775 dbus_error_free(&error
);
1783 static int start_special(DBusConnection
*bus
, char **args
) {
1790 a
= verb_to_action(args
[0]);
1792 if (arg_force
>= 2 &&
1793 (a
== ACTION_HALT
||
1794 a
== ACTION_POWEROFF
||
1795 a
== ACTION_REBOOT
))
1798 if (arg_force
>= 1 &&
1799 (a
== ACTION_HALT
||
1800 a
== ACTION_POWEROFF
||
1801 a
== ACTION_REBOOT
||
1802 a
== ACTION_KEXEC
||
1804 return daemon_reload(bus
, args
);
1806 /* first try logind, to allow authentication with polkit */
1807 if (geteuid() != 0 &&
1808 (a
== ACTION_POWEROFF
||
1809 a
== ACTION_REBOOT
)) {
1810 r
= reboot_with_logind(bus
, a
);
1815 r
= start_unit(bus
, args
);
1822 static int check_unit(DBusConnection
*bus
, char **args
) {
1823 DBusMessage
*m
= NULL
, *reply
= NULL
;
1825 *interface
= "org.freedesktop.systemd1.Unit",
1826 *property
= "ActiveState";
1827 int r
= 3; /* According to LSB: "program is not running" */
1834 dbus_error_init(&error
);
1836 STRV_FOREACH(name
, args
+1) {
1837 const char *path
= NULL
;
1839 DBusMessageIter iter
, sub
;
1841 if (!(m
= dbus_message_new_method_call(
1842 "org.freedesktop.systemd1",
1843 "/org/freedesktop/systemd1",
1844 "org.freedesktop.systemd1.Manager",
1846 log_error("Could not allocate message.");
1851 if (!dbus_message_append_args(m
,
1852 DBUS_TYPE_STRING
, name
,
1853 DBUS_TYPE_INVALID
)) {
1854 log_error("Could not append arguments to message.");
1859 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1861 /* Hmm, cannot figure out anything about this unit... */
1865 dbus_error_free(&error
);
1866 dbus_message_unref(m
);
1871 if (!dbus_message_get_args(reply
, &error
,
1872 DBUS_TYPE_OBJECT_PATH
, &path
,
1873 DBUS_TYPE_INVALID
)) {
1874 log_error("Failed to parse reply: %s", bus_error_message(&error
));
1879 dbus_message_unref(m
);
1880 if (!(m
= dbus_message_new_method_call(
1881 "org.freedesktop.systemd1",
1883 "org.freedesktop.DBus.Properties",
1885 log_error("Could not allocate message.");
1890 if (!dbus_message_append_args(m
,
1891 DBUS_TYPE_STRING
, &interface
,
1892 DBUS_TYPE_STRING
, &property
,
1893 DBUS_TYPE_INVALID
)) {
1894 log_error("Could not append arguments to message.");
1899 dbus_message_unref(reply
);
1900 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1901 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1906 if (!dbus_message_iter_init(reply
, &iter
) ||
1907 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
1908 log_error("Failed to parse reply.");
1913 dbus_message_iter_recurse(&iter
, &sub
);
1915 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
1916 log_error("Failed to parse reply.");
1921 dbus_message_iter_get_basic(&sub
, &state
);
1926 if (streq(state
, "active") || streq(state
, "reloading"))
1929 dbus_message_unref(m
);
1930 dbus_message_unref(reply
);
1936 dbus_message_unref(m
);
1939 dbus_message_unref(reply
);
1941 dbus_error_free(&error
);
1946 static int kill_unit(DBusConnection
*bus
, char **args
) {
1947 DBusMessage
*m
= NULL
;
1955 dbus_error_init(&error
);
1958 arg_kill_who
= "all";
1961 arg_kill_mode
= streq(arg_kill_who
, "all") ? "control-group" : "process";
1963 STRV_FOREACH(name
, args
+1) {
1966 if (!(m
= dbus_message_new_method_call(
1967 "org.freedesktop.systemd1",
1968 "/org/freedesktop/systemd1",
1969 "org.freedesktop.systemd1.Manager",
1971 log_error("Could not allocate message.");
1976 if (!dbus_message_append_args(m
,
1977 DBUS_TYPE_STRING
, name
,
1978 DBUS_TYPE_STRING
, &arg_kill_who
,
1979 DBUS_TYPE_STRING
, &arg_kill_mode
,
1980 DBUS_TYPE_INT32
, &arg_signal
,
1981 DBUS_TYPE_INVALID
)) {
1982 log_error("Could not append arguments to message.");
1987 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
1988 log_error("Failed to issue method call: %s", bus_error_message(&error
));
1989 dbus_error_free(&error
);
1993 dbus_message_unref(m
);
1996 dbus_message_unref(reply
);
2002 dbus_message_unref(m
);
2004 dbus_error_free(&error
);
2009 typedef struct ExecStatusInfo
{
2017 usec_t start_timestamp
;
2018 usec_t exit_timestamp
;
2023 LIST_FIELDS(struct ExecStatusInfo
, exec
);
2026 static void exec_status_info_free(ExecStatusInfo
*i
) {
2035 static int exec_status_info_deserialize(DBusMessageIter
*sub
, ExecStatusInfo
*i
) {
2036 uint64_t start_timestamp
, exit_timestamp
, start_timestamp_monotonic
, exit_timestamp_monotonic
;
2037 DBusMessageIter sub2
, sub3
;
2041 int32_t code
, status
;
2047 if (dbus_message_iter_get_arg_type(sub
) != DBUS_TYPE_STRUCT
)
2050 dbus_message_iter_recurse(sub
, &sub2
);
2052 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) < 0)
2055 if (!(i
->path
= strdup(path
)))
2058 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_ARRAY
||
2059 dbus_message_iter_get_element_type(&sub2
) != DBUS_TYPE_STRING
)
2063 dbus_message_iter_recurse(&sub2
, &sub3
);
2064 while (dbus_message_iter_get_arg_type(&sub3
) != DBUS_TYPE_INVALID
) {
2065 assert(dbus_message_iter_get_arg_type(&sub3
) == DBUS_TYPE_STRING
);
2066 dbus_message_iter_next(&sub3
);
2071 if (!(i
->argv
= new0(char*, n
+1)))
2075 dbus_message_iter_recurse(&sub2
, &sub3
);
2076 while (dbus_message_iter_get_arg_type(&sub3
) != DBUS_TYPE_INVALID
) {
2079 assert(dbus_message_iter_get_arg_type(&sub3
) == DBUS_TYPE_STRING
);
2080 dbus_message_iter_get_basic(&sub3
, &s
);
2081 dbus_message_iter_next(&sub3
);
2083 if (!(i
->argv
[n
++] = strdup(s
)))
2087 if (!dbus_message_iter_next(&sub2
) ||
2088 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &ignore
, true) < 0 ||
2089 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &start_timestamp
, true) < 0 ||
2090 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &start_timestamp_monotonic
, true) < 0 ||
2091 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &exit_timestamp
, true) < 0 ||
2092 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &exit_timestamp_monotonic
, true) < 0 ||
2093 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT32
, &pid
, true) < 0 ||
2094 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_INT32
, &code
, true) < 0 ||
2095 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_INT32
, &status
, false) < 0)
2099 i
->start_timestamp
= (usec_t
) start_timestamp
;
2100 i
->exit_timestamp
= (usec_t
) exit_timestamp
;
2101 i
->pid
= (pid_t
) pid
;
2108 typedef struct UnitStatusInfo
{
2110 const char *load_state
;
2111 const char *active_state
;
2112 const char *sub_state
;
2113 const char *unit_file_state
;
2115 const char *description
;
2116 const char *following
;
2119 const char *default_control_group
;
2121 const char *load_error
;
2124 usec_t inactive_exit_timestamp
;
2125 usec_t inactive_exit_timestamp_monotonic
;
2126 usec_t active_enter_timestamp
;
2127 usec_t active_exit_timestamp
;
2128 usec_t inactive_enter_timestamp
;
2130 bool need_daemon_reload
;
2135 const char *status_text
;
2137 #ifdef HAVE_SYSV_COMPAT
2141 usec_t start_timestamp
;
2142 usec_t exit_timestamp
;
2144 int exit_code
, exit_status
;
2146 usec_t condition_timestamp
;
2147 bool condition_result
;
2150 unsigned n_accepted
;
2151 unsigned n_connections
;
2155 const char *sysfs_path
;
2157 /* Mount, Automount */
2163 LIST_HEAD(ExecStatusInfo
, exec
);
2166 static void print_status_info(UnitStatusInfo
*i
) {
2168 const char *on
, *off
, *ss
;
2170 char since1
[FORMAT_TIMESTAMP_PRETTY_MAX
], *s1
;
2171 char since2
[FORMAT_TIMESTAMP_MAX
], *s2
;
2175 /* This shows pretty information about a unit. See
2176 * print_property() for a low-level property printer */
2178 printf("%s", strna(i
->id
));
2180 if (i
->description
&& !streq_ptr(i
->id
, i
->description
))
2181 printf(" - %s", i
->description
);
2186 printf("\t Follow: unit currently follows state of %s\n", i
->following
);
2188 if (streq_ptr(i
->load_state
, "error")) {
2189 on
= ansi_highlight_red(true);
2190 off
= ansi_highlight_red(false);
2195 printf("\t Loaded: %s%s%s (Reason: %s)\n", on
, strna(i
->load_state
), off
, i
->load_error
);
2196 else if (i
->path
&& i
->unit_file_state
)
2197 printf("\t Loaded: %s%s%s (%s; %s)\n", on
, strna(i
->load_state
), off
, i
->path
, i
->unit_file_state
);
2199 printf("\t Loaded: %s%s%s (%s)\n", on
, strna(i
->load_state
), off
, i
->path
);
2201 printf("\t Loaded: %s%s%s\n", on
, strna(i
->load_state
), off
);
2203 ss
= streq_ptr(i
->active_state
, i
->sub_state
) ? NULL
: i
->sub_state
;
2205 if (streq_ptr(i
->active_state
, "failed")) {
2206 on
= ansi_highlight_red(true);
2207 off
= ansi_highlight_red(false);
2208 } else if (streq_ptr(i
->active_state
, "active") || streq_ptr(i
->active_state
, "reloading")) {
2209 on
= ansi_highlight_green(true);
2210 off
= ansi_highlight_green(false);
2215 printf("\t Active: %s%s (%s)%s",
2217 strna(i
->active_state
),
2221 printf("\t Active: %s%s%s",
2223 strna(i
->active_state
),
2226 if (!isempty(i
->result
) && !streq(i
->result
, "success"))
2227 printf(" (Result: %s)", i
->result
);
2229 timestamp
= (streq_ptr(i
->active_state
, "active") ||
2230 streq_ptr(i
->active_state
, "reloading")) ? i
->active_enter_timestamp
:
2231 (streq_ptr(i
->active_state
, "inactive") ||
2232 streq_ptr(i
->active_state
, "failed")) ? i
->inactive_enter_timestamp
:
2233 streq_ptr(i
->active_state
, "activating") ? i
->inactive_exit_timestamp
:
2234 i
->active_exit_timestamp
;
2236 s1
= format_timestamp_pretty(since1
, sizeof(since1
), timestamp
);
2237 s2
= format_timestamp(since2
, sizeof(since2
), timestamp
);
2240 printf(" since %s; %s\n", s2
, s1
);
2242 printf(" since %s\n", s2
);
2246 if (!i
->condition_result
&& i
->condition_timestamp
> 0) {
2247 s1
= format_timestamp_pretty(since1
, sizeof(since1
), i
->condition_timestamp
);
2248 s2
= format_timestamp(since2
, sizeof(since2
), i
->condition_timestamp
);
2251 printf("\t start condition failed at %s; %s\n", s2
, s1
);
2253 printf("\t start condition failed at %s\n", s2
);
2257 printf("\t Device: %s\n", i
->sysfs_path
);
2259 printf("\t Where: %s\n", i
->where
);
2261 printf("\t What: %s\n", i
->what
);
2264 printf("\tAccepted: %u; Connected: %u\n", i
->n_accepted
, i
->n_connections
);
2266 LIST_FOREACH(exec
, p
, i
->exec
) {
2270 /* Only show exited processes here */
2274 t
= strv_join(p
->argv
, " ");
2275 printf("\t Process: %u %s=%s ", p
->pid
, p
->name
, strna(t
));
2278 #ifdef HAVE_SYSV_COMPAT
2280 good
= is_clean_exit_lsb(p
->code
, p
->status
);
2283 good
= is_clean_exit(p
->code
, p
->status
);
2286 on
= ansi_highlight_red(true);
2287 off
= ansi_highlight_red(false);
2291 printf("%s(code=%s, ", on
, sigchld_code_to_string(p
->code
));
2293 if (p
->code
== CLD_EXITED
) {
2296 printf("status=%i", p
->status
);
2298 #ifdef HAVE_SYSV_COMPAT
2299 if ((c
= exit_status_to_string(p
->status
, i
->is_sysv
? EXIT_STATUS_LSB
: EXIT_STATUS_SYSTEMD
)))
2301 if ((c
= exit_status_to_string(p
->status
, EXIT_STATUS_SYSTEMD
)))
2306 printf("signal=%s", signal_to_string(p
->status
));
2308 printf(")%s\n", off
);
2310 if (i
->main_pid
== p
->pid
&&
2311 i
->start_timestamp
== p
->start_timestamp
&&
2312 i
->exit_timestamp
== p
->start_timestamp
)
2313 /* Let's not show this twice */
2316 if (p
->pid
== i
->control_pid
)
2320 if (i
->main_pid
> 0 || i
->control_pid
> 0) {
2323 if (i
->main_pid
> 0) {
2324 printf("Main PID: %u", (unsigned) i
->main_pid
);
2328 get_process_comm(i
->main_pid
, &t
);
2333 } else if (i
->exit_code
> 0) {
2334 printf(" (code=%s, ", sigchld_code_to_string(i
->exit_code
));
2336 if (i
->exit_code
== CLD_EXITED
) {
2339 printf("status=%i", i
->exit_status
);
2341 #ifdef HAVE_SYSV_COMPAT
2342 if ((c
= exit_status_to_string(i
->exit_status
, i
->is_sysv
? EXIT_STATUS_LSB
: EXIT_STATUS_SYSTEMD
)))
2344 if ((c
= exit_status_to_string(i
->exit_status
, EXIT_STATUS_SYSTEMD
)))
2349 printf("signal=%s", signal_to_string(i
->exit_status
));
2354 if (i
->main_pid
> 0 && i
->control_pid
> 0)
2357 if (i
->control_pid
> 0) {
2360 printf(" Control: %u", (unsigned) i
->control_pid
);
2362 get_process_comm(i
->control_pid
, &t
);
2373 printf("\t Status: \"%s\"\n", i
->status_text
);
2375 if (i
->default_control_group
) {
2378 printf("\t CGroup: %s\n", i
->default_control_group
);
2380 if (arg_transport
!= TRANSPORT_SSH
) {
2381 if ((c
= columns()) > 18)
2386 show_cgroup_by_path(i
->default_control_group
, "\t\t ", c
, false);
2390 if (i
->id
&& arg_transport
!= TRANSPORT_SSH
) {
2392 show_journal_by_unit(i
->id
, arg_output
, 0, i
->inactive_exit_timestamp_monotonic
, arg_lines
, arg_all
, arg_follow
);
2395 if (i
->need_daemon_reload
)
2396 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2397 ansi_highlight_red(true),
2398 ansi_highlight_red(false),
2399 arg_scope
== UNIT_FILE_SYSTEM
? "--system" : "--user");
2402 static int status_property(const char *name
, DBusMessageIter
*iter
, UnitStatusInfo
*i
) {
2408 switch (dbus_message_iter_get_arg_type(iter
)) {
2410 case DBUS_TYPE_STRING
: {
2413 dbus_message_iter_get_basic(iter
, &s
);
2416 if (streq(name
, "Id"))
2418 else if (streq(name
, "LoadState"))
2420 else if (streq(name
, "ActiveState"))
2421 i
->active_state
= s
;
2422 else if (streq(name
, "SubState"))
2424 else if (streq(name
, "Description"))
2426 else if (streq(name
, "FragmentPath"))
2428 #ifdef HAVE_SYSV_COMPAT
2429 else if (streq(name
, "SysVPath")) {
2434 else if (streq(name
, "DefaultControlGroup"))
2435 i
->default_control_group
= s
;
2436 else if (streq(name
, "StatusText"))
2438 else if (streq(name
, "SysFSPath"))
2440 else if (streq(name
, "Where"))
2442 else if (streq(name
, "What"))
2444 else if (streq(name
, "Following"))
2446 else if (streq(name
, "UnitFileState"))
2447 i
->unit_file_state
= s
;
2448 else if (streq(name
, "Result"))
2455 case DBUS_TYPE_BOOLEAN
: {
2458 dbus_message_iter_get_basic(iter
, &b
);
2460 if (streq(name
, "Accept"))
2462 else if (streq(name
, "NeedDaemonReload"))
2463 i
->need_daemon_reload
= b
;
2464 else if (streq(name
, "ConditionResult"))
2465 i
->condition_result
= b
;
2470 case DBUS_TYPE_UINT32
: {
2473 dbus_message_iter_get_basic(iter
, &u
);
2475 if (streq(name
, "MainPID")) {
2477 i
->main_pid
= (pid_t
) u
;
2480 } else if (streq(name
, "ControlPID"))
2481 i
->control_pid
= (pid_t
) u
;
2482 else if (streq(name
, "ExecMainPID")) {
2484 i
->main_pid
= (pid_t
) u
;
2485 } else if (streq(name
, "NAccepted"))
2487 else if (streq(name
, "NConnections"))
2488 i
->n_connections
= u
;
2493 case DBUS_TYPE_INT32
: {
2496 dbus_message_iter_get_basic(iter
, &j
);
2498 if (streq(name
, "ExecMainCode"))
2499 i
->exit_code
= (int) j
;
2500 else if (streq(name
, "ExecMainStatus"))
2501 i
->exit_status
= (int) j
;
2506 case DBUS_TYPE_UINT64
: {
2509 dbus_message_iter_get_basic(iter
, &u
);
2511 if (streq(name
, "ExecMainStartTimestamp"))
2512 i
->start_timestamp
= (usec_t
) u
;
2513 else if (streq(name
, "ExecMainExitTimestamp"))
2514 i
->exit_timestamp
= (usec_t
) u
;
2515 else if (streq(name
, "ActiveEnterTimestamp"))
2516 i
->active_enter_timestamp
= (usec_t
) u
;
2517 else if (streq(name
, "InactiveEnterTimestamp"))
2518 i
->inactive_enter_timestamp
= (usec_t
) u
;
2519 else if (streq(name
, "InactiveExitTimestamp"))
2520 i
->inactive_exit_timestamp
= (usec_t
) u
;
2521 else if (streq(name
, "InactiveExitTimestampMonotonic"))
2522 i
->inactive_exit_timestamp_monotonic
= (usec_t
) u
;
2523 else if (streq(name
, "ActiveExitTimestamp"))
2524 i
->active_exit_timestamp
= (usec_t
) u
;
2525 else if (streq(name
, "ConditionTimestamp"))
2526 i
->condition_timestamp
= (usec_t
) u
;
2531 case DBUS_TYPE_ARRAY
: {
2533 if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&&
2534 startswith(name
, "Exec")) {
2535 DBusMessageIter sub
;
2537 dbus_message_iter_recurse(iter
, &sub
);
2538 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2539 ExecStatusInfo
*info
;
2542 if (!(info
= new0(ExecStatusInfo
, 1)))
2545 if (!(info
->name
= strdup(name
))) {
2550 if ((r
= exec_status_info_deserialize(&sub
, info
)) < 0) {
2555 LIST_PREPEND(ExecStatusInfo
, exec
, i
->exec
, info
);
2557 dbus_message_iter_next(&sub
);
2564 case DBUS_TYPE_STRUCT
: {
2566 if (streq(name
, "LoadError")) {
2567 DBusMessageIter sub
;
2568 const char *n
, *message
;
2571 dbus_message_iter_recurse(iter
, &sub
);
2573 r
= bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &n
, true);
2577 r
= bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &message
, false);
2581 if (!isempty(message
))
2582 i
->load_error
= message
;
2592 static int print_property(const char *name
, DBusMessageIter
*iter
) {
2596 /* This is a low-level property printer, see
2597 * print_status_info() for the nicer output */
2599 if (arg_property
&& !strv_find(arg_property
, name
))
2602 switch (dbus_message_iter_get_arg_type(iter
)) {
2604 case DBUS_TYPE_STRUCT
: {
2605 DBusMessageIter sub
;
2606 dbus_message_iter_recurse(iter
, &sub
);
2608 if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_UINT32
&& streq(name
, "Job")) {
2611 dbus_message_iter_get_basic(&sub
, &u
);
2614 printf("%s=%u\n", name
, (unsigned) u
);
2616 printf("%s=\n", name
);
2619 } else if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
&& streq(name
, "Unit")) {
2622 dbus_message_iter_get_basic(&sub
, &s
);
2624 if (arg_all
|| s
[0])
2625 printf("%s=%s\n", name
, s
);
2628 } else if (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRING
&& streq(name
, "LoadError")) {
2629 const char *a
= NULL
, *b
= NULL
;
2631 if (bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &a
, true) >= 0)
2632 bus_iter_get_basic_and_next(&sub
, DBUS_TYPE_STRING
, &b
, false);
2634 if (arg_all
|| !isempty(a
) || !isempty(b
))
2635 printf("%s=%s \"%s\"\n", name
, strempty(a
), strempty(b
));
2643 case DBUS_TYPE_ARRAY
:
2645 if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "EnvironmentFiles")) {
2646 DBusMessageIter sub
, sub2
;
2648 dbus_message_iter_recurse(iter
, &sub
);
2649 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2653 dbus_message_iter_recurse(&sub
, &sub2
);
2655 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) >= 0 &&
2656 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_BOOLEAN
, &ignore
, false) >= 0)
2657 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path
, yes_no(ignore
));
2659 dbus_message_iter_next(&sub
);
2664 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "Paths")) {
2665 DBusMessageIter sub
, sub2
;
2667 dbus_message_iter_recurse(iter
, &sub
);
2668 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2669 const char *type
, *path
;
2671 dbus_message_iter_recurse(&sub
, &sub2
);
2673 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) >= 0 &&
2674 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, false) >= 0)
2675 printf("%s=%s\n", type
, path
);
2677 dbus_message_iter_next(&sub
);
2682 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "Timers")) {
2683 DBusMessageIter sub
, sub2
;
2685 dbus_message_iter_recurse(iter
, &sub
);
2686 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2688 uint64_t value
, next_elapse
;
2690 dbus_message_iter_recurse(&sub
, &sub2
);
2692 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &base
, true) >= 0 &&
2693 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &value
, true) >= 0 &&
2694 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_UINT64
, &next_elapse
, false) >= 0) {
2695 char timespan1
[FORMAT_TIMESPAN_MAX
], timespan2
[FORMAT_TIMESPAN_MAX
];
2697 printf("%s={ value=%s ; next_elapse=%s }\n",
2699 format_timespan(timespan1
, sizeof(timespan1
), value
),
2700 format_timespan(timespan2
, sizeof(timespan2
), next_elapse
));
2703 dbus_message_iter_next(&sub
);
2708 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& streq(name
, "ControlGroupAttributes")) {
2709 DBusMessageIter sub
, sub2
;
2711 dbus_message_iter_recurse(iter
, &sub
);
2712 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2713 const char *controller
, *attr
, *value
;
2715 dbus_message_iter_recurse(&sub
, &sub2
);
2717 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &controller
, true) >= 0 &&
2718 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &attr
, true) >= 0 &&
2719 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &value
, false) >= 0) {
2721 printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n",
2727 dbus_message_iter_next(&sub
);
2732 } else if (dbus_message_iter_get_element_type(iter
) == DBUS_TYPE_STRUCT
&& startswith(name
, "Exec")) {
2733 DBusMessageIter sub
;
2735 dbus_message_iter_recurse(iter
, &sub
);
2736 while (dbus_message_iter_get_arg_type(&sub
) == DBUS_TYPE_STRUCT
) {
2737 ExecStatusInfo info
;
2740 if (exec_status_info_deserialize(&sub
, &info
) >= 0) {
2741 char timestamp1
[FORMAT_TIMESTAMP_MAX
], timestamp2
[FORMAT_TIMESTAMP_MAX
];
2744 t
= strv_join(info
.argv
, " ");
2746 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
2750 yes_no(info
.ignore
),
2751 strna(format_timestamp(timestamp1
, sizeof(timestamp1
), info
.start_timestamp
)),
2752 strna(format_timestamp(timestamp2
, sizeof(timestamp2
), info
.exit_timestamp
)),
2753 (unsigned) info
. pid
,
2754 sigchld_code_to_string(info
.code
),
2756 info
.code
== CLD_EXITED
? "" : "/",
2757 strempty(info
.code
== CLD_EXITED
? NULL
: signal_to_string(info
.status
)));
2763 strv_free(info
.argv
);
2765 dbus_message_iter_next(&sub
);
2774 if (generic_print_property(name
, iter
, arg_all
) > 0)
2778 printf("%s=[unprintable]\n", name
);
2783 static int show_one(const char *verb
, DBusConnection
*bus
, const char *path
, bool show_properties
, bool *new_line
) {
2784 DBusMessage
*m
= NULL
, *reply
= NULL
;
2785 const char *interface
= "";
2788 DBusMessageIter iter
, sub
, sub2
, sub3
;
2789 UnitStatusInfo info
;
2797 dbus_error_init(&error
);
2799 if (!(m
= dbus_message_new_method_call(
2800 "org.freedesktop.systemd1",
2802 "org.freedesktop.DBus.Properties",
2804 log_error("Could not allocate message.");
2809 if (!dbus_message_append_args(m
,
2810 DBUS_TYPE_STRING
, &interface
,
2811 DBUS_TYPE_INVALID
)) {
2812 log_error("Could not append arguments to message.");
2817 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
2818 log_error("Failed to issue method call: %s", bus_error_message(&error
));
2823 if (!dbus_message_iter_init(reply
, &iter
) ||
2824 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
2825 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_DICT_ENTRY
) {
2826 log_error("Failed to parse reply.");
2831 dbus_message_iter_recurse(&iter
, &sub
);
2838 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
2841 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_DICT_ENTRY
) {
2842 log_error("Failed to parse reply.");
2847 dbus_message_iter_recurse(&sub
, &sub2
);
2849 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &name
, true) < 0) {
2850 log_error("Failed to parse reply.");
2855 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_VARIANT
) {
2856 log_error("Failed to parse reply.");
2861 dbus_message_iter_recurse(&sub2
, &sub3
);
2863 if (show_properties
)
2864 r
= print_property(name
, &sub3
);
2866 r
= status_property(name
, &sub3
, &info
);
2869 log_error("Failed to parse reply.");
2874 dbus_message_iter_next(&sub
);
2879 if (!show_properties
)
2880 print_status_info(&info
);
2882 if (!streq_ptr(info
.active_state
, "active") &&
2883 !streq_ptr(info
.active_state
, "reloading") &&
2884 streq(verb
, "status"))
2885 /* According to LSB: "program not running" */
2888 while ((p
= info
.exec
)) {
2889 LIST_REMOVE(ExecStatusInfo
, exec
, info
.exec
, p
);
2890 exec_status_info_free(p
);
2895 dbus_message_unref(m
);
2898 dbus_message_unref(reply
);
2900 dbus_error_free(&error
);
2905 static int show(DBusConnection
*bus
, char **args
) {
2906 DBusMessage
*m
= NULL
, *reply
= NULL
;
2909 bool show_properties
, new_line
= false;
2915 dbus_error_init(&error
);
2917 show_properties
= !streq(args
[0], "status");
2919 if (show_properties
)
2920 pager_open_if_enabled();
2922 if (show_properties
&& strv_length(args
) <= 1) {
2923 /* If not argument is specified inspect the manager
2926 ret
= show_one(args
[0], bus
, "/org/freedesktop/systemd1", show_properties
, &new_line
);
2930 STRV_FOREACH(name
, args
+1) {
2931 const char *path
= NULL
;
2934 if (safe_atou32(*name
, &id
) < 0) {
2936 /* Interpret as unit name */
2938 if (!(m
= dbus_message_new_method_call(
2939 "org.freedesktop.systemd1",
2940 "/org/freedesktop/systemd1",
2941 "org.freedesktop.systemd1.Manager",
2943 log_error("Could not allocate message.");
2948 if (!dbus_message_append_args(m
,
2949 DBUS_TYPE_STRING
, name
,
2950 DBUS_TYPE_INVALID
)) {
2951 log_error("Could not append arguments to message.");
2956 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
2958 if (!dbus_error_has_name(&error
, DBUS_ERROR_ACCESS_DENIED
)) {
2959 log_error("Failed to issue method call: %s", bus_error_message(&error
));
2964 dbus_error_free(&error
);
2966 dbus_message_unref(m
);
2967 if (!(m
= dbus_message_new_method_call(
2968 "org.freedesktop.systemd1",
2969 "/org/freedesktop/systemd1",
2970 "org.freedesktop.systemd1.Manager",
2972 log_error("Could not allocate message.");
2977 if (!dbus_message_append_args(m
,
2978 DBUS_TYPE_STRING
, name
,
2979 DBUS_TYPE_INVALID
)) {
2980 log_error("Could not append arguments to message.");
2985 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
2986 log_error("Failed to issue method call: %s", bus_error_message(&error
));
2988 if (dbus_error_has_name(&error
, BUS_ERROR_NO_SUCH_UNIT
))
2989 ret
= 4; /* According to LSB: "program or service status is unknown" */
2996 } else if (show_properties
) {
2998 /* Interpret as job id */
3000 if (!(m
= dbus_message_new_method_call(
3001 "org.freedesktop.systemd1",
3002 "/org/freedesktop/systemd1",
3003 "org.freedesktop.systemd1.Manager",
3005 log_error("Could not allocate message.");
3010 if (!dbus_message_append_args(m
,
3011 DBUS_TYPE_UINT32
, &id
,
3012 DBUS_TYPE_INVALID
)) {
3013 log_error("Could not append arguments to message.");
3018 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3019 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3025 /* Interpret as PID */
3027 if (!(m
= dbus_message_new_method_call(
3028 "org.freedesktop.systemd1",
3029 "/org/freedesktop/systemd1",
3030 "org.freedesktop.systemd1.Manager",
3032 log_error("Could not allocate message.");
3037 if (!dbus_message_append_args(m
,
3038 DBUS_TYPE_UINT32
, &id
,
3039 DBUS_TYPE_INVALID
)) {
3040 log_error("Could not append arguments to message.");
3045 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3046 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3052 if (!dbus_message_get_args(reply
, &error
,
3053 DBUS_TYPE_OBJECT_PATH
, &path
,
3054 DBUS_TYPE_INVALID
)) {
3055 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3060 if ((r
= show_one(args
[0], bus
, path
, show_properties
, &new_line
)) != 0)
3063 dbus_message_unref(m
);
3064 dbus_message_unref(reply
);
3070 dbus_message_unref(m
);
3073 dbus_message_unref(reply
);
3075 dbus_error_free(&error
);
3080 static int dump(DBusConnection
*bus
, char **args
) {
3081 DBusMessage
*m
= NULL
, *reply
= NULL
;
3086 dbus_error_init(&error
);
3088 pager_open_if_enabled();
3090 if (!(m
= dbus_message_new_method_call(
3091 "org.freedesktop.systemd1",
3092 "/org/freedesktop/systemd1",
3093 "org.freedesktop.systemd1.Manager",
3095 log_error("Could not allocate message.");
3099 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3100 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3105 if (!dbus_message_get_args(reply
, &error
,
3106 DBUS_TYPE_STRING
, &text
,
3107 DBUS_TYPE_INVALID
)) {
3108 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3113 fputs(text
, stdout
);
3119 dbus_message_unref(m
);
3122 dbus_message_unref(reply
);
3124 dbus_error_free(&error
);
3129 static int snapshot(DBusConnection
*bus
, char **args
) {
3130 DBusMessage
*m
= NULL
, *reply
= NULL
;
3133 const char *name
= "", *path
, *id
;
3134 dbus_bool_t cleanup
= FALSE
;
3135 DBusMessageIter iter
, sub
;
3137 *interface
= "org.freedesktop.systemd1.Unit",
3140 dbus_error_init(&error
);
3142 if (!(m
= dbus_message_new_method_call(
3143 "org.freedesktop.systemd1",
3144 "/org/freedesktop/systemd1",
3145 "org.freedesktop.systemd1.Manager",
3146 "CreateSnapshot"))) {
3147 log_error("Could not allocate message.");
3151 if (strv_length(args
) > 1)
3154 if (!dbus_message_append_args(m
,
3155 DBUS_TYPE_STRING
, &name
,
3156 DBUS_TYPE_BOOLEAN
, &cleanup
,
3157 DBUS_TYPE_INVALID
)) {
3158 log_error("Could not append arguments to message.");
3163 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3164 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3169 if (!dbus_message_get_args(reply
, &error
,
3170 DBUS_TYPE_OBJECT_PATH
, &path
,
3171 DBUS_TYPE_INVALID
)) {
3172 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3177 dbus_message_unref(m
);
3178 if (!(m
= dbus_message_new_method_call(
3179 "org.freedesktop.systemd1",
3181 "org.freedesktop.DBus.Properties",
3183 log_error("Could not allocate message.");
3187 if (!dbus_message_append_args(m
,
3188 DBUS_TYPE_STRING
, &interface
,
3189 DBUS_TYPE_STRING
, &property
,
3190 DBUS_TYPE_INVALID
)) {
3191 log_error("Could not append arguments to message.");
3196 dbus_message_unref(reply
);
3197 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3198 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3203 if (!dbus_message_iter_init(reply
, &iter
) ||
3204 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
3205 log_error("Failed to parse reply.");
3210 dbus_message_iter_recurse(&iter
, &sub
);
3212 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRING
) {
3213 log_error("Failed to parse reply.");
3218 dbus_message_iter_get_basic(&sub
, &id
);
3226 dbus_message_unref(m
);
3229 dbus_message_unref(reply
);
3231 dbus_error_free(&error
);
3236 static int delete_snapshot(DBusConnection
*bus
, char **args
) {
3237 DBusMessage
*m
= NULL
, *reply
= NULL
;
3245 dbus_error_init(&error
);
3247 STRV_FOREACH(name
, args
+1) {
3248 const char *path
= NULL
;
3250 if (!(m
= dbus_message_new_method_call(
3251 "org.freedesktop.systemd1",
3252 "/org/freedesktop/systemd1",
3253 "org.freedesktop.systemd1.Manager",
3255 log_error("Could not allocate message.");
3260 if (!dbus_message_append_args(m
,
3261 DBUS_TYPE_STRING
, name
,
3262 DBUS_TYPE_INVALID
)) {
3263 log_error("Could not append arguments to message.");
3268 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3269 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3274 if (!dbus_message_get_args(reply
, &error
,
3275 DBUS_TYPE_OBJECT_PATH
, &path
,
3276 DBUS_TYPE_INVALID
)) {
3277 log_error("Failed to parse reply: %s", bus_error_message(&error
));
3282 dbus_message_unref(m
);
3283 if (!(m
= dbus_message_new_method_call(
3284 "org.freedesktop.systemd1",
3286 "org.freedesktop.systemd1.Snapshot",
3288 log_error("Could not allocate message.");
3293 dbus_message_unref(reply
);
3294 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3295 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3300 dbus_message_unref(m
);
3301 dbus_message_unref(reply
);
3309 dbus_message_unref(m
);
3312 dbus_message_unref(reply
);
3314 dbus_error_free(&error
);
3319 static int daemon_reload(DBusConnection
*bus
, char **args
) {
3320 DBusMessage
*m
= NULL
, *reply
= NULL
;
3325 dbus_error_init(&error
);
3327 if (arg_action
== ACTION_RELOAD
)
3329 else if (arg_action
== ACTION_REEXEC
)
3330 method
= "Reexecute";
3332 assert(arg_action
== ACTION_SYSTEMCTL
);
3335 streq(args
[0], "clear-jobs") ||
3336 streq(args
[0], "cancel") ? "ClearJobs" :
3337 streq(args
[0], "daemon-reexec") ? "Reexecute" :
3338 streq(args
[0], "reset-failed") ? "ResetFailed" :
3339 streq(args
[0], "halt") ? "Halt" :
3340 streq(args
[0], "poweroff") ? "PowerOff" :
3341 streq(args
[0], "reboot") ? "Reboot" :
3342 streq(args
[0], "kexec") ? "KExec" :
3343 streq(args
[0], "exit") ? "Exit" :
3344 /* "daemon-reload" */ "Reload";
3347 if (!(m
= dbus_message_new_method_call(
3348 "org.freedesktop.systemd1",
3349 "/org/freedesktop/systemd1",
3350 "org.freedesktop.systemd1.Manager",
3352 log_error("Could not allocate message.");
3356 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3358 if (arg_action
!= ACTION_SYSTEMCTL
&& error_is_no_service(&error
)) {
3359 /* There's always a fallback possible for
3360 * legacy actions. */
3365 if (streq(method
, "Reexecute") && dbus_error_has_name(&error
, DBUS_ERROR_NO_REPLY
)) {
3366 /* On reexecution, we expect a disconnect, not
3372 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3381 dbus_message_unref(m
);
3384 dbus_message_unref(reply
);
3386 dbus_error_free(&error
);
3391 static int reset_failed(DBusConnection
*bus
, char **args
) {
3392 DBusMessage
*m
= NULL
;
3398 dbus_error_init(&error
);
3400 if (strv_length(args
) <= 1)
3401 return daemon_reload(bus
, args
);
3403 STRV_FOREACH(name
, args
+1) {
3406 if (!(m
= dbus_message_new_method_call(
3407 "org.freedesktop.systemd1",
3408 "/org/freedesktop/systemd1",
3409 "org.freedesktop.systemd1.Manager",
3410 "ResetFailedUnit"))) {
3411 log_error("Could not allocate message.");
3416 if (!dbus_message_append_args(m
,
3417 DBUS_TYPE_STRING
, name
,
3418 DBUS_TYPE_INVALID
)) {
3419 log_error("Could not append arguments to message.");
3424 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3425 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3430 dbus_message_unref(m
);
3431 dbus_message_unref(reply
);
3439 dbus_message_unref(m
);
3441 dbus_error_free(&error
);
3446 static int show_enviroment(DBusConnection
*bus
, char **args
) {
3447 DBusMessage
*m
= NULL
, *reply
= NULL
;
3449 DBusMessageIter iter
, sub
, sub2
;
3452 *interface
= "org.freedesktop.systemd1.Manager",
3453 *property
= "Environment";
3455 dbus_error_init(&error
);
3457 pager_open_if_enabled();
3459 if (!(m
= dbus_message_new_method_call(
3460 "org.freedesktop.systemd1",
3461 "/org/freedesktop/systemd1",
3462 "org.freedesktop.DBus.Properties",
3464 log_error("Could not allocate message.");
3468 if (!dbus_message_append_args(m
,
3469 DBUS_TYPE_STRING
, &interface
,
3470 DBUS_TYPE_STRING
, &property
,
3471 DBUS_TYPE_INVALID
)) {
3472 log_error("Could not append arguments to message.");
3477 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3478 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3483 if (!dbus_message_iter_init(reply
, &iter
) ||
3484 dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_VARIANT
) {
3485 log_error("Failed to parse reply.");
3490 dbus_message_iter_recurse(&iter
, &sub
);
3492 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_ARRAY
||
3493 dbus_message_iter_get_element_type(&sub
) != DBUS_TYPE_STRING
) {
3494 log_error("Failed to parse reply.");
3499 dbus_message_iter_recurse(&sub
, &sub2
);
3501 while (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_INVALID
) {
3504 if (dbus_message_iter_get_arg_type(&sub2
) != DBUS_TYPE_STRING
) {
3505 log_error("Failed to parse reply.");
3510 dbus_message_iter_get_basic(&sub2
, &text
);
3511 printf("%s\n", text
);
3513 dbus_message_iter_next(&sub2
);
3520 dbus_message_unref(m
);
3523 dbus_message_unref(reply
);
3525 dbus_error_free(&error
);
3530 static int set_environment(DBusConnection
*bus
, char **args
) {
3531 DBusMessage
*m
= NULL
, *reply
= NULL
;
3535 DBusMessageIter iter
, sub
;
3538 dbus_error_init(&error
);
3540 method
= streq(args
[0], "set-environment")
3542 : "UnsetEnvironment";
3544 if (!(m
= dbus_message_new_method_call(
3545 "org.freedesktop.systemd1",
3546 "/org/freedesktop/systemd1",
3547 "org.freedesktop.systemd1.Manager",
3550 log_error("Could not allocate message.");
3554 dbus_message_iter_init_append(m
, &iter
);
3556 if (!dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "s", &sub
)) {
3557 log_error("Could not append arguments to message.");
3562 STRV_FOREACH(name
, args
+1)
3563 if (!dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, name
)) {
3564 log_error("Could not append arguments to message.");
3569 if (!dbus_message_iter_close_container(&iter
, &sub
)) {
3570 log_error("Could not append arguments to message.");
3575 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
3576 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3585 dbus_message_unref(m
);
3588 dbus_message_unref(reply
);
3590 dbus_error_free(&error
);
3595 static int enable_sysv_units(char **args
) {
3598 #if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX) || defined(TARGET_MAGEIA))
3599 const char *verb
= args
[0];
3600 unsigned f
= 1, t
= 1;
3603 if (arg_scope
!= UNIT_FILE_SYSTEM
)
3606 if (!streq(verb
, "enable") &&
3607 !streq(verb
, "disable") &&
3608 !streq(verb
, "is-enabled"))
3611 /* Processes all SysV units, and reshuffles the array so that
3612 * afterwards only the native units remain */
3615 r
= lookup_paths_init(&paths
, MANAGER_SYSTEM
, false);
3621 for (f
= 1; args
[f
]; f
++) {
3624 bool found_native
= false, found_sysv
;
3626 const char *argv
[6] = { "/sbin/chkconfig", NULL
, NULL
, NULL
, NULL
};
3627 char **k
, *l
, *q
= NULL
;
3634 if (!endswith(name
, ".service"))
3637 if (path_is_absolute(name
))
3640 STRV_FOREACH(k
, paths
.unit_path
) {
3643 if (!isempty(arg_root
))
3644 asprintf(&p
, "%s/%s/%s", arg_root
, *k
, name
);
3646 asprintf(&p
, "%s/%s", *k
, name
);
3649 log_error("No memory");
3654 found_native
= access(p
, F_OK
) >= 0;
3665 if (!isempty(arg_root
))
3666 asprintf(&p
, "%s/" SYSTEM_SYSVINIT_PATH
"/%s", arg_root
, name
);
3668 asprintf(&p
, SYSTEM_SYSVINIT_PATH
"/%s", name
);
3670 log_error("No memory");
3675 p
[strlen(p
) - sizeof(".service") + 1] = 0;
3676 found_sysv
= access(p
, F_OK
) >= 0;
3683 /* Mark this entry, so that we don't try enabling it as native unit */
3684 args
[f
] = (char*) "";
3686 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name
);
3688 if (!isempty(arg_root
))
3689 argv
[c
++] = q
= strappend("--root=", arg_root
);
3691 argv
[c
++] = file_name_from_path(p
);
3693 streq(verb
, "enable") ? "on" :
3694 streq(verb
, "disable") ? "off" : "--level=5";
3697 l
= strv_join((char**)argv
, " ");
3699 log_error("No memory.");
3706 log_info("Executing %s", l
);
3711 log_error("Failed to fork: %m");
3716 } else if (pid
== 0) {
3719 execv(argv
[0], (char**) argv
);
3720 _exit(EXIT_FAILURE
);
3726 j
= wait_for_terminate(pid
, &status
);
3728 log_error("Failed to wait for child: %s", strerror(-r
));
3733 if (status
.si_code
== CLD_EXITED
) {
3734 if (streq(verb
, "is-enabled")) {
3735 if (status
.si_status
== 0) {
3744 } else if (status
.si_status
!= 0) {
3755 lookup_paths_free(&paths
);
3757 /* Drop all SysV units */
3758 for (f
= 1, t
= 1; args
[f
]; f
++) {
3760 if (isempty(args
[f
]))
3763 args
[t
++] = args
[f
];
3772 static int enable_unit(DBusConnection
*bus
, char **args
) {
3773 const char *verb
= args
[0];
3774 UnitFileChange
*changes
= NULL
;
3775 unsigned n_changes
= 0, i
;
3776 int carries_install_info
= -1;
3777 DBusMessage
*m
= NULL
, *reply
= NULL
;
3781 r
= enable_sysv_units(args
);
3788 dbus_error_init(&error
);
3790 if (!bus
|| avoid_bus()) {
3791 if (streq(verb
, "enable")) {
3792 r
= unit_file_enable(arg_scope
, arg_runtime
, arg_root
, args
+1, arg_force
, &changes
, &n_changes
);
3793 carries_install_info
= r
;
3794 } else if (streq(verb
, "disable"))
3795 r
= unit_file_disable(arg_scope
, arg_runtime
, arg_root
, args
+1, &changes
, &n_changes
);
3796 else if (streq(verb
, "reenable")) {
3797 r
= unit_file_reenable(arg_scope
, arg_runtime
, arg_root
, args
+1, arg_force
, &changes
, &n_changes
);
3798 carries_install_info
= r
;
3799 } else if (streq(verb
, "link"))
3800 r
= unit_file_link(arg_scope
, arg_runtime
, arg_root
, args
+1, arg_force
, &changes
, &n_changes
);
3801 else if (streq(verb
, "preset")) {
3802 r
= unit_file_preset(arg_scope
, arg_runtime
, arg_root
, args
+1, arg_force
, &changes
, &n_changes
);
3803 carries_install_info
= r
;
3804 } else if (streq(verb
, "mask"))
3805 r
= unit_file_mask(arg_scope
, arg_runtime
, arg_root
, args
+1, arg_force
, &changes
, &n_changes
);
3806 else if (streq(verb
, "unmask"))
3807 r
= unit_file_unmask(arg_scope
, arg_runtime
, arg_root
, args
+1, &changes
, &n_changes
);
3809 assert_not_reached("Unknown verb");
3812 log_error("Operation failed: %s", strerror(-r
));
3817 for (i
= 0; i
< n_changes
; i
++) {
3818 if (changes
[i
].type
== UNIT_FILE_SYMLINK
)
3819 log_info("ln -s '%s' '%s'", changes
[i
].source
, changes
[i
].path
);
3821 log_info("rm '%s'", changes
[i
].path
);
3827 bool send_force
= true, expect_carries_install_info
= false;
3829 DBusMessageIter iter
, sub
, sub2
;
3831 if (streq(verb
, "enable")) {
3832 method
= "EnableUnitFiles";
3833 expect_carries_install_info
= true;
3834 } else if (streq(verb
, "disable")) {
3835 method
= "DisableUnitFiles";
3837 } else if (streq(verb
, "reenable")) {
3838 method
= "ReenableUnitFiles";
3839 expect_carries_install_info
= true;
3840 } else if (streq(verb
, "link"))
3841 method
= "LinkUnitFiles";
3842 else if (streq(verb
, "preset")) {
3843 method
= "PresetUnitFiles";
3844 expect_carries_install_info
= true;
3845 } else if (streq(verb
, "mask"))
3846 method
= "MaskUnitFiles";
3847 else if (streq(verb
, "unmask")) {
3848 method
= "UnmaskUnitFiles";
3851 assert_not_reached("Unknown verb");
3853 m
= dbus_message_new_method_call(
3854 "org.freedesktop.systemd1",
3855 "/org/freedesktop/systemd1",
3856 "org.freedesktop.systemd1.Manager",
3859 log_error("Out of memory");
3864 dbus_message_iter_init_append(m
, &iter
);
3866 r
= bus_append_strv_iter(&iter
, args
+1);
3868 log_error("Failed to append unit files.");
3873 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &a
)) {
3874 log_error("Failed to append runtime boolean.");
3882 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &b
)) {
3883 log_error("Failed to append force boolean.");
3889 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
3891 log_error("Failed to issue method call: %s", bus_error_message(&error
));
3896 if (!dbus_message_iter_init(reply
, &iter
)) {
3897 log_error("Failed to initialize iterator.");
3901 if (expect_carries_install_info
) {
3902 r
= bus_iter_get_basic_and_next(&iter
, DBUS_TYPE_BOOLEAN
, &b
, true);
3904 log_error("Failed to parse reply.");
3908 carries_install_info
= b
;
3911 if (dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_ARRAY
||
3912 dbus_message_iter_get_element_type(&iter
) != DBUS_TYPE_STRUCT
) {
3913 log_error("Failed to parse reply.");
3918 dbus_message_iter_recurse(&iter
, &sub
);
3919 while (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_INVALID
) {
3920 const char *type
, *path
, *source
;
3922 if (dbus_message_iter_get_arg_type(&sub
) != DBUS_TYPE_STRUCT
) {
3923 log_error("Failed to parse reply.");
3928 dbus_message_iter_recurse(&sub
, &sub2
);
3930 if (bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &type
, true) < 0 ||
3931 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &path
, true) < 0 ||
3932 bus_iter_get_basic_and_next(&sub2
, DBUS_TYPE_STRING
, &source
, false) < 0) {
3933 log_error("Failed to parse reply.");
3939 if (streq(type
, "symlink"))
3940 log_info("ln -s '%s' '%s'", source
, path
);
3942 log_info("rm '%s'", path
);
3945 dbus_message_iter_next(&sub
);
3948 /* Try to reload if enabeld */
3950 r
= daemon_reload(bus
, args
);
3953 if (carries_install_info
== 0)
3954 log_warning("Warning: unit files do not carry install information. No operation executed.");
3958 dbus_message_unref(m
);
3961 dbus_message_unref(reply
);
3963 unit_file_changes_free(changes
, n_changes
);
3965 dbus_error_free(&error
);
3969 static int unit_is_enabled(DBusConnection
*bus
, char **args
) {
3972 DBusMessage
*m
= NULL
, *reply
= NULL
;
3976 dbus_error_init(&error
);
3978 r
= enable_sysv_units(args
);
3984 if (!bus
|| avoid_bus()) {
3986 STRV_FOREACH(name
, args
+1) {
3987 UnitFileState state
;
3989 state
= unit_file_get_state(arg_scope
, arg_root
, *name
);
3995 if (state
== UNIT_FILE_ENABLED
||
3996 state
== UNIT_FILE_ENABLED_RUNTIME
||
3997 state
== UNIT_FILE_STATIC
)
4001 puts(unit_file_state_to_string(state
));
4005 STRV_FOREACH(name
, args
+1) {
4008 m
= dbus_message_new_method_call(
4009 "org.freedesktop.systemd1",
4010 "/org/freedesktop/systemd1",
4011 "org.freedesktop.systemd1.Manager",
4012 "GetUnitFileState");
4014 log_error("Out of memory");
4019 if (!dbus_message_append_args(m
,
4020 DBUS_TYPE_STRING
, name
,
4021 DBUS_TYPE_INVALID
)) {
4022 log_error("Could not append arguments to message.");
4027 reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
);
4029 log_error("Failed to issue method call: %s", bus_error_message(&error
));
4034 if (!dbus_message_get_args(reply
, &error
,
4035 DBUS_TYPE_STRING
, &s
,
4036 DBUS_TYPE_INVALID
)) {
4037 log_error("Failed to parse reply: %s", bus_error_message(&error
));
4042 dbus_message_unref(m
);
4043 dbus_message_unref(reply
);
4046 if (streq(s
, "enabled") ||
4047 streq(s
, "enabled-runtime") ||
4056 r
= enabled
? 0 : 1;
4060 dbus_message_unref(m
);
4063 dbus_message_unref(reply
);
4065 dbus_error_free(&error
);
4069 static int systemctl_help(void) {
4071 pager_open_if_enabled();
4073 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
4074 "Query or send control commands to the systemd manager.\n\n"
4075 " -h --help Show this help\n"
4076 " --version Show package version\n"
4077 " -t --type=TYPE List only units of a particular type\n"
4078 " -p --property=NAME Show only properties by this name\n"
4079 " -a --all Show all units/properties, including dead/empty ones\n"
4080 " --failed Show only failed units\n"
4081 " --full Don't ellipsize unit names on output\n"
4082 " --fail When queueing a new job, fail if conflicting jobs are\n"
4084 " --ignore-dependencies\n"
4085 " When queueing a new job, ignore all its dependencies\n"
4086 " --kill-who=WHO Who to send signal to\n"
4087 " -s --signal=SIGNAL Which signal to send\n"
4088 " -H --host=[USER@]HOST\n"
4089 " Show information for remote host\n"
4090 " -P --privileged Acquire privileges before execution\n"
4091 " -q --quiet Suppress output\n"
4092 " --no-block Do not wait until operation finished\n"
4093 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4094 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
4096 " --no-legend Do not print a legend (column headers and hints)\n"
4097 " --no-pager Do not pipe output into a pager\n"
4098 " --no-ask-password\n"
4099 " Do not ask for system passwords\n"
4100 " --order When generating graph for dot, show only order\n"
4101 " --require When generating graph for dot, show only requirement\n"
4102 " --system Connect to system manager\n"
4103 " --user Connect to user service manager\n"
4104 " --global Enable/disable unit files globally\n"
4105 " -f --force When enabling unit files, override existing symlinks\n"
4106 " When shutting down, execute action immediately\n"
4107 " --root=PATH Enable unit files in the specified root directory\n"
4108 " --runtime Enable unit files only temporarily until next reboot\n"
4109 " -n --lines=INTEGER Journal entries to show\n"
4110 " --follow Follow journal\n"
4111 " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
4112 " verbose, export, json, cat)\n\n"
4114 " list-units List loaded units\n"
4115 " start [NAME...] Start (activate) one or more units\n"
4116 " stop [NAME...] Stop (deactivate) one or more units\n"
4117 " reload [NAME...] Reload one or more units\n"
4118 " restart [NAME...] Start or restart one or more units\n"
4119 " try-restart [NAME...] Restart one or more units if active\n"
4120 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
4121 " otherwise start or restart\n"
4122 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
4123 " otherwise restart if active\n"
4124 " isolate [NAME] Start one unit and stop all others\n"
4125 " kill [NAME...] Send signal to processes of a unit\n"
4126 " is-active [NAME...] Check whether units are active\n"
4127 " status [NAME...|PID...] Show runtime status of one or more units\n"
4128 " show [NAME...|JOB...] Show properties of one or more\n"
4129 " units/jobs or the manager\n"
4130 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
4132 " load [NAME...] Load one or more units\n\n"
4133 "Unit File Commands:\n"
4134 " list-unit-files List installed unit files\n"
4135 " enable [NAME...] Enable one or more unit files\n"
4136 " disable [NAME...] Disable one or more unit files\n"
4137 " reenable [NAME...] Reenable one or more unit files\n"
4138 " preset [NAME...] Enable/disable one or more unit files\n"
4139 " based on preset configuration\n"
4140 " mask [NAME...] Mask one or more units\n"
4141 " unmask [NAME...] Unmask one or more units\n"
4142 " link [PATH...] Link one or more units files into\n"
4143 " the search path\n"
4144 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
4146 " list-jobs List jobs\n"
4147 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
4148 "Status Commands:\n"
4149 " dump Dump server status\n"
4150 " dot Dump dependency graph for dot(1)\n\n"
4151 "Snapshot Commands:\n"
4152 " snapshot [NAME] Create a snapshot\n"
4153 " delete [NAME...] Remove one or more snapshots\n\n"
4154 "Environment Commands:\n"
4155 " show-environment Dump environment\n"
4156 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
4157 " unset-environment [NAME...] Unset one or more environment variables\n\n"
4158 "Manager Lifecycle Commands:\n"
4159 " daemon-reload Reload systemd manager configuration\n"
4160 " daemon-reexec Reexecute systemd manager\n\n"
4161 "System Commands:\n"
4162 " default Enter system default mode\n"
4163 " rescue Enter system rescue mode\n"
4164 " emergency Enter system emergency mode\n"
4165 " halt Shut down and halt the system\n"
4166 " poweroff Shut down and power-off the system\n"
4167 " reboot Shut down and reboot the system\n"
4168 " kexec Shut down and reboot the system with kexec\n"
4169 " exit Ask for user instance termination\n",
4170 program_invocation_short_name
);
4175 static int halt_help(void) {
4177 printf("%s [OPTIONS...]\n\n"
4178 "%s the system.\n\n"
4179 " --help Show this help\n"
4180 " --halt Halt the machine\n"
4181 " -p --poweroff Switch off the machine\n"
4182 " --reboot Reboot the machine\n"
4183 " -f --force Force immediate halt/power-off/reboot\n"
4184 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
4185 " -d --no-wtmp Don't write wtmp record\n"
4186 " -n --no-sync Don't sync before halt/power-off/reboot\n"
4187 " --no-wall Don't send wall message before halt/power-off/reboot\n",
4188 program_invocation_short_name
,
4189 arg_action
== ACTION_REBOOT
? "Reboot" :
4190 arg_action
== ACTION_POWEROFF
? "Power off" :
4196 static int shutdown_help(void) {
4198 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
4199 "Shut down the system.\n\n"
4200 " --help Show this help\n"
4201 " -H --halt Halt the machine\n"
4202 " -P --poweroff Power-off the machine\n"
4203 " -r --reboot Reboot the machine\n"
4204 " -h Equivalent to --poweroff, overriden by --halt\n"
4205 " -k Don't halt/power-off/reboot, just send warnings\n"
4206 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4207 " -c Cancel a pending shutdown\n",
4208 program_invocation_short_name
);
4213 static int telinit_help(void) {
4215 printf("%s [OPTIONS...] {COMMAND}\n\n"
4216 "Send control commands to the init daemon.\n\n"
4217 " --help Show this help\n"
4218 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
4220 " 0 Power-off the machine\n"
4221 " 6 Reboot the machine\n"
4222 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4223 " 1, s, S Enter rescue mode\n"
4224 " q, Q Reload init daemon configuration\n"
4225 " u, U Reexecute init daemon\n",
4226 program_invocation_short_name
);
4231 static int runlevel_help(void) {
4233 printf("%s [OPTIONS...]\n\n"
4234 "Prints the previous and current runlevel of the init system.\n\n"
4235 " --help Show this help\n",
4236 program_invocation_short_name
);
4241 static int systemctl_parse_argv(int argc
, char *argv
[]) {
4245 ARG_IGNORE_DEPENDENCIES
,
4261 ARG_NO_ASK_PASSWORD
,
4268 static const struct option options
[] = {
4269 { "help", no_argument
, NULL
, 'h' },
4270 { "version", no_argument
, NULL
, ARG_VERSION
},
4271 { "type", required_argument
, NULL
, 't' },
4272 { "property", required_argument
, NULL
, 'p' },
4273 { "all", no_argument
, NULL
, 'a' },
4274 { "failed", no_argument
, NULL
, ARG_FAILED
},
4275 { "full", no_argument
, NULL
, ARG_FULL
},
4276 { "fail", no_argument
, NULL
, ARG_FAIL
},
4277 { "ignore-dependencies", no_argument
, NULL
, ARG_IGNORE_DEPENDENCIES
},
4278 { "user", no_argument
, NULL
, ARG_USER
},
4279 { "system", no_argument
, NULL
, ARG_SYSTEM
},
4280 { "global", no_argument
, NULL
, ARG_GLOBAL
},
4281 { "no-block", no_argument
, NULL
, ARG_NO_BLOCK
},
4282 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
4283 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
4284 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
4285 { "quiet", no_argument
, NULL
, 'q' },
4286 { "order", no_argument
, NULL
, ARG_ORDER
},
4287 { "require", no_argument
, NULL
, ARG_REQUIRE
},
4288 { "root", required_argument
, NULL
, ARG_ROOT
},
4289 { "force", no_argument
, NULL
, ARG_FORCE
},
4290 { "no-reload", no_argument
, NULL
, ARG_NO_RELOAD
},
4291 { "kill-mode", required_argument
, NULL
, ARG_KILL_MODE
}, /* undocumented on purpose */
4292 { "kill-who", required_argument
, NULL
, ARG_KILL_WHO
},
4293 { "signal", required_argument
, NULL
, 's' },
4294 { "no-ask-password", no_argument
, NULL
, ARG_NO_ASK_PASSWORD
},
4295 { "host", required_argument
, NULL
, 'H' },
4296 { "privileged",no_argument
, NULL
, 'P' },
4297 { "runtime", no_argument
, NULL
, ARG_RUNTIME
},
4298 { "lines", required_argument
, NULL
, 'n' },
4299 { "follow", no_argument
, NULL
, ARG_FOLLOW
},
4300 { "output", required_argument
, NULL
, 'o' },
4301 { NULL
, 0, NULL
, 0 }
4309 while ((c
= getopt_long(argc
, argv
, "ht:p:aqfs:H:Pn:o:", options
, NULL
)) >= 0) {
4318 puts(PACKAGE_STRING
);
4320 puts(SYSTEMD_FEATURES
);
4330 if (!(l
= strv_append(arg_property
, optarg
)))
4333 strv_free(arg_property
);
4336 /* If the user asked for a particular
4337 * property, show it to him, even if it is
4348 arg_job_mode
= "fail";
4351 case ARG_IGNORE_DEPENDENCIES
:
4352 arg_job_mode
= "ignore-dependencies";
4356 arg_scope
= UNIT_FILE_USER
;
4360 arg_scope
= UNIT_FILE_SYSTEM
;
4364 arg_scope
= UNIT_FILE_GLOBAL
;
4368 arg_no_block
= true;
4372 arg_no_legend
= true;
4376 arg_no_pager
= true;
4384 arg_dot
= DOT_ORDER
;
4388 arg_dot
= DOT_REQUIRE
;
4416 /* -f is short for both --follow and --force! */
4422 arg_no_reload
= true;
4426 arg_kill_who
= optarg
;
4430 arg_kill_mode
= optarg
;
4434 if ((arg_signal
= signal_from_string_try_harder(optarg
)) < 0) {
4435 log_error("Failed to parse signal string %s.", optarg
);
4440 case ARG_NO_ASK_PASSWORD
:
4441 arg_ask_password
= false;
4445 arg_transport
= TRANSPORT_POLKIT
;
4449 arg_transport
= TRANSPORT_SSH
;
4458 if (safe_atou(optarg
, &arg_lines
) < 0) {
4459 log_error("Failed to parse lines '%s'", optarg
);
4465 arg_output
= output_mode_from_string(optarg
);
4466 if (arg_output
< 0) {
4467 log_error("Unknown output '%s'.", optarg
);
4476 log_error("Unknown option code %c", c
);
4481 if (arg_transport
!= TRANSPORT_NORMAL
&& arg_scope
!= UNIT_FILE_SYSTEM
) {
4482 log_error("Cannot access user instance remotely.");
4489 static int halt_parse_argv(int argc
, char *argv
[]) {
4498 static const struct option options
[] = {
4499 { "help", no_argument
, NULL
, ARG_HELP
},
4500 { "halt", no_argument
, NULL
, ARG_HALT
},
4501 { "poweroff", no_argument
, NULL
, 'p' },
4502 { "reboot", no_argument
, NULL
, ARG_REBOOT
},
4503 { "force", no_argument
, NULL
, 'f' },
4504 { "wtmp-only", no_argument
, NULL
, 'w' },
4505 { "no-wtmp", no_argument
, NULL
, 'd' },
4506 { "no-sync", no_argument
, NULL
, 'n' },
4507 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
4508 { NULL
, 0, NULL
, 0 }
4516 if (utmp_get_runlevel(&runlevel
, NULL
) >= 0)
4517 if (runlevel
== '0' || runlevel
== '6')
4518 arg_immediate
= true;
4520 while ((c
= getopt_long(argc
, argv
, "pfwdnih", options
, NULL
)) >= 0) {
4528 arg_action
= ACTION_HALT
;
4532 if (arg_action
!= ACTION_REBOOT
)
4533 arg_action
= ACTION_POWEROFF
;
4537 arg_action
= ACTION_REBOOT
;
4541 arg_immediate
= true;
4562 /* Compatibility nops */
4569 log_error("Unknown option code %c", c
);
4574 if (optind
< argc
) {
4575 log_error("Too many arguments.");
4582 static int parse_time_spec(const char *t
, usec_t
*_u
) {
4586 if (streq(t
, "now"))
4588 else if (!strchr(t
, ':')) {
4591 if (safe_atou64(t
, &u
) < 0)
4594 *_u
= now(CLOCK_REALTIME
) + USEC_PER_MINUTE
* u
;
4603 hour
= strtol(t
, &e
, 10);
4604 if (errno
!= 0 || *e
!= ':' || hour
< 0 || hour
> 23)
4607 minute
= strtol(e
+1, &e
, 10);
4608 if (errno
!= 0 || *e
!= 0 || minute
< 0 || minute
> 59)
4611 n
= now(CLOCK_REALTIME
);
4612 s
= (time_t) (n
/ USEC_PER_SEC
);
4615 assert_se(localtime_r(&s
, &tm
));
4617 tm
.tm_hour
= (int) hour
;
4618 tm
.tm_min
= (int) minute
;
4621 assert_se(s
= mktime(&tm
));
4623 *_u
= (usec_t
) s
* USEC_PER_SEC
;
4626 *_u
+= USEC_PER_DAY
;
4632 static int shutdown_parse_argv(int argc
, char *argv
[]) {
4639 static const struct option options
[] = {
4640 { "help", no_argument
, NULL
, ARG_HELP
},
4641 { "halt", no_argument
, NULL
, 'H' },
4642 { "poweroff", no_argument
, NULL
, 'P' },
4643 { "reboot", no_argument
, NULL
, 'r' },
4644 { "kexec", no_argument
, NULL
, 'K' }, /* not documented extension */
4645 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
4646 { NULL
, 0, NULL
, 0 }
4654 while ((c
= getopt_long(argc
, argv
, "HPrhkt:afFc", options
, NULL
)) >= 0) {
4662 arg_action
= ACTION_HALT
;
4666 arg_action
= ACTION_POWEROFF
;
4671 arg_action
= ACTION_KEXEC
;
4673 arg_action
= ACTION_REBOOT
;
4677 arg_action
= ACTION_KEXEC
;
4681 if (arg_action
!= ACTION_HALT
)
4682 arg_action
= ACTION_POWEROFF
;
4695 /* Compatibility nops */
4699 arg_action
= ACTION_CANCEL_SHUTDOWN
;
4706 log_error("Unknown option code %c", c
);
4711 if (argc
> optind
) {
4712 r
= parse_time_spec(argv
[optind
], &arg_when
);
4714 log_error("Failed to parse time specification: %s", argv
[optind
]);
4718 arg_when
= now(CLOCK_REALTIME
) + USEC_PER_MINUTE
;
4720 /* We skip the time argument */
4721 if (argc
> optind
+ 1)
4722 arg_wall
= argv
+ optind
+ 1;
4729 static int telinit_parse_argv(int argc
, char *argv
[]) {
4736 static const struct option options
[] = {
4737 { "help", no_argument
, NULL
, ARG_HELP
},
4738 { "no-wall", no_argument
, NULL
, ARG_NO_WALL
},
4739 { NULL
, 0, NULL
, 0 }
4742 static const struct {
4746 { '0', ACTION_POWEROFF
},
4747 { '6', ACTION_REBOOT
},
4748 { '1', ACTION_RESCUE
},
4749 { '2', ACTION_RUNLEVEL2
},
4750 { '3', ACTION_RUNLEVEL3
},
4751 { '4', ACTION_RUNLEVEL4
},
4752 { '5', ACTION_RUNLEVEL5
},
4753 { 's', ACTION_RESCUE
},
4754 { 'S', ACTION_RESCUE
},
4755 { 'q', ACTION_RELOAD
},
4756 { 'Q', ACTION_RELOAD
},
4757 { 'u', ACTION_REEXEC
},
4758 { 'U', ACTION_REEXEC
}
4767 while ((c
= getopt_long(argc
, argv
, "", options
, NULL
)) >= 0) {
4782 log_error("Unknown option code %c", c
);
4787 if (optind
>= argc
) {
4792 if (optind
+ 1 < argc
) {
4793 log_error("Too many arguments.");
4797 if (strlen(argv
[optind
]) != 1) {
4798 log_error("Expected single character argument.");
4802 for (i
= 0; i
< ELEMENTSOF(table
); i
++)
4803 if (table
[i
].from
== argv
[optind
][0])
4806 if (i
>= ELEMENTSOF(table
)) {
4807 log_error("Unknown command %s.", argv
[optind
]);
4811 arg_action
= table
[i
].to
;
4818 static int runlevel_parse_argv(int argc
, char *argv
[]) {
4824 static const struct option options
[] = {
4825 { "help", no_argument
, NULL
, ARG_HELP
},
4826 { NULL
, 0, NULL
, 0 }
4834 while ((c
= getopt_long(argc
, argv
, "", options
, NULL
)) >= 0) {
4845 log_error("Unknown option code %c", c
);
4850 if (optind
< argc
) {
4851 log_error("Too many arguments.");
4858 static int parse_argv(int argc
, char *argv
[]) {
4862 if (program_invocation_short_name
) {
4864 if (strstr(program_invocation_short_name
, "halt")) {
4865 arg_action
= ACTION_HALT
;
4866 return halt_parse_argv(argc
, argv
);
4867 } else if (strstr(program_invocation_short_name
, "poweroff")) {
4868 arg_action
= ACTION_POWEROFF
;
4869 return halt_parse_argv(argc
, argv
);
4870 } else if (strstr(program_invocation_short_name
, "reboot")) {
4872 arg_action
= ACTION_KEXEC
;
4874 arg_action
= ACTION_REBOOT
;
4875 return halt_parse_argv(argc
, argv
);
4876 } else if (strstr(program_invocation_short_name
, "shutdown")) {
4877 arg_action
= ACTION_POWEROFF
;
4878 return shutdown_parse_argv(argc
, argv
);
4879 } else if (strstr(program_invocation_short_name
, "init")) {
4881 if (sd_booted() > 0) {
4882 arg_action
= ACTION_INVALID
;
4883 return telinit_parse_argv(argc
, argv
);
4885 /* Hmm, so some other init system is
4886 * running, we need to forward this
4887 * request to it. For now we simply
4888 * guess that it is Upstart. */
4890 execv("/lib/upstart/telinit", argv
);
4892 log_error("Couldn't find an alternative telinit implementation to spawn.");
4896 } else if (strstr(program_invocation_short_name
, "runlevel")) {
4897 arg_action
= ACTION_RUNLEVEL
;
4898 return runlevel_parse_argv(argc
, argv
);
4902 arg_action
= ACTION_SYSTEMCTL
;
4903 return systemctl_parse_argv(argc
, argv
);
4906 static int action_to_runlevel(void) {
4908 static const char table
[_ACTION_MAX
] = {
4909 [ACTION_HALT
] = '0',
4910 [ACTION_POWEROFF
] = '0',
4911 [ACTION_REBOOT
] = '6',
4912 [ACTION_RUNLEVEL2
] = '2',
4913 [ACTION_RUNLEVEL3
] = '3',
4914 [ACTION_RUNLEVEL4
] = '4',
4915 [ACTION_RUNLEVEL5
] = '5',
4916 [ACTION_RESCUE
] = '1'
4919 assert(arg_action
< _ACTION_MAX
);
4921 return table
[arg_action
];
4924 static int talk_upstart(void) {
4925 DBusMessage
*m
= NULL
, *reply
= NULL
;
4927 int previous
, rl
, r
;
4929 env1_buf
[] = "RUNLEVEL=X",
4930 env2_buf
[] = "PREVLEVEL=X";
4931 char *env1
= env1_buf
, *env2
= env2_buf
;
4932 const char *emit
= "runlevel";
4933 dbus_bool_t b_false
= FALSE
;
4934 DBusMessageIter iter
, sub
;
4935 DBusConnection
*bus
;
4937 dbus_error_init(&error
);
4939 if (!(rl
= action_to_runlevel()))
4942 if (utmp_get_runlevel(&previous
, NULL
) < 0)
4945 if (!(bus
= dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error
))) {
4946 if (dbus_error_has_name(&error
, DBUS_ERROR_NO_SERVER
)) {
4951 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error
));
4956 if ((r
= bus_check_peercred(bus
)) < 0) {
4957 log_error("Failed to verify owner of bus.");
4961 if (!(m
= dbus_message_new_method_call(
4962 "com.ubuntu.Upstart",
4963 "/com/ubuntu/Upstart",
4964 "com.ubuntu.Upstart0_6",
4967 log_error("Could not allocate message.");
4972 dbus_message_iter_init_append(m
, &iter
);
4974 env1_buf
[sizeof(env1_buf
)-2] = rl
;
4975 env2_buf
[sizeof(env2_buf
)-2] = previous
;
4977 if (!dbus_message_iter_append_basic(&iter
, DBUS_TYPE_STRING
, &emit
) ||
4978 !dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
, "s", &sub
) ||
4979 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, &env1
) ||
4980 !dbus_message_iter_append_basic(&sub
, DBUS_TYPE_STRING
, &env2
) ||
4981 !dbus_message_iter_close_container(&iter
, &sub
) ||
4982 !dbus_message_iter_append_basic(&iter
, DBUS_TYPE_BOOLEAN
, &b_false
)) {
4983 log_error("Could not append arguments to message.");
4988 if (!(reply
= dbus_connection_send_with_reply_and_block(bus
, m
, -1, &error
))) {
4990 if (error_is_no_service(&error
)) {
4995 log_error("Failed to issue method call: %s", bus_error_message(&error
));
5004 dbus_message_unref(m
);
5007 dbus_message_unref(reply
);
5010 dbus_connection_flush(bus
);
5011 dbus_connection_close(bus
);
5012 dbus_connection_unref(bus
);
5015 dbus_error_free(&error
);
5020 static int talk_initctl(void) {
5021 struct init_request request
;
5025 if (!(rl
= action_to_runlevel()))
5029 request
.magic
= INIT_MAGIC
;
5030 request
.sleeptime
= 0;
5031 request
.cmd
= INIT_CMD_RUNLVL
;
5032 request
.runlevel
= rl
;
5034 if ((fd
= open(INIT_FIFO
, O_WRONLY
|O_NDELAY
|O_CLOEXEC
|O_NOCTTY
)) < 0) {
5036 if (errno
== ENOENT
)
5039 log_error("Failed to open "INIT_FIFO
": %m");
5044 r
= loop_write(fd
, &request
, sizeof(request
), false) != sizeof(request
);
5045 close_nointr_nofail(fd
);
5048 log_error("Failed to write to "INIT_FIFO
": %m");
5049 return errno
? -errno
: -EIO
;
5055 static int systemctl_main(DBusConnection
*bus
, int argc
, char *argv
[], DBusError
*error
) {
5057 static const struct {
5065 int (* const dispatch
)(DBusConnection
*bus
, char **args
);
5067 { "list-units", LESS
, 1, list_units
},
5068 { "list-unit-files", EQUAL
, 1, list_unit_files
},
5069 { "list-jobs", EQUAL
, 1, list_jobs
},
5070 { "clear-jobs", EQUAL
, 1, daemon_reload
},
5071 { "load", MORE
, 2, load_unit
},
5072 { "cancel", MORE
, 2, cancel_job
},
5073 { "start", MORE
, 2, start_unit
},
5074 { "stop", MORE
, 2, start_unit
},
5075 { "condstop", MORE
, 2, start_unit
}, /* For compatibility with ALTLinux */
5076 { "reload", MORE
, 2, start_unit
},
5077 { "restart", MORE
, 2, start_unit
},
5078 { "try-restart", MORE
, 2, start_unit
},
5079 { "reload-or-restart", MORE
, 2, start_unit
},
5080 { "reload-or-try-restart", MORE
, 2, start_unit
},
5081 { "force-reload", MORE
, 2, start_unit
}, /* For compatibility with SysV */
5082 { "condreload", MORE
, 2, start_unit
}, /* For compatibility with ALTLinux */
5083 { "condrestart", MORE
, 2, start_unit
}, /* For compatibility with RH */
5084 { "isolate", EQUAL
, 2, start_unit
},
5085 { "kill", MORE
, 2, kill_unit
},
5086 { "is-active", MORE
, 2, check_unit
},
5087 { "check", MORE
, 2, check_unit
},
5088 { "show", MORE
, 1, show
},
5089 { "status", MORE
, 2, show
},
5090 { "dump", EQUAL
, 1, dump
},
5091 { "dot", EQUAL
, 1, dot
},
5092 { "snapshot", LESS
, 2, snapshot
},
5093 { "delete", MORE
, 2, delete_snapshot
},
5094 { "daemon-reload", EQUAL
, 1, daemon_reload
},
5095 { "daemon-reexec", EQUAL
, 1, daemon_reload
},
5096 { "show-environment", EQUAL
, 1, show_enviroment
},
5097 { "set-environment", MORE
, 2, set_environment
},
5098 { "unset-environment", MORE
, 2, set_environment
},
5099 { "halt", EQUAL
, 1, start_special
},
5100 { "poweroff", EQUAL
, 1, start_special
},
5101 { "reboot", EQUAL
, 1, start_special
},
5102 { "kexec", EQUAL
, 1, start_special
},
5103 { "default", EQUAL
, 1, start_special
},
5104 { "rescue", EQUAL
, 1, start_special
},
5105 { "emergency", EQUAL
, 1, start_special
},
5106 { "exit", EQUAL
, 1, start_special
},
5107 { "reset-failed", MORE
, 1, reset_failed
},
5108 { "enable", MORE
, 2, enable_unit
},
5109 { "disable", MORE
, 2, enable_unit
},
5110 { "is-enabled", MORE
, 2, unit_is_enabled
},
5111 { "reenable", MORE
, 2, enable_unit
},
5112 { "preset", MORE
, 2, enable_unit
},
5113 { "mask", MORE
, 2, enable_unit
},
5114 { "unmask", MORE
, 2, enable_unit
},
5115 { "link", MORE
, 2, enable_unit
}
5125 left
= argc
- optind
;
5128 /* Special rule: no arguments means "list-units" */
5131 if (streq(argv
[optind
], "help")) {
5136 for (i
= 0; i
< ELEMENTSOF(verbs
); i
++)
5137 if (streq(argv
[optind
], verbs
[i
].verb
))
5140 if (i
>= ELEMENTSOF(verbs
)) {
5141 log_error("Unknown operation %s", argv
[optind
]);
5146 switch (verbs
[i
].argc_cmp
) {
5149 if (left
!= verbs
[i
].argc
) {
5150 log_error("Invalid number of arguments.");
5157 if (left
< verbs
[i
].argc
) {
5158 log_error("Too few arguments.");
5165 if (left
> verbs
[i
].argc
) {
5166 log_error("Too many arguments.");
5173 assert_not_reached("Unknown comparison operator.");
5176 /* Require a bus connection for all operations but
5178 if (!streq(verbs
[i
].verb
, "enable") &&
5179 !streq(verbs
[i
].verb
, "disable") &&
5180 !streq(verbs
[i
].verb
, "is-enabled") &&
5181 !streq(verbs
[i
].verb
, "list-unit-files") &&
5182 !streq(verbs
[i
].verb
, "reenable") &&
5183 !streq(verbs
[i
].verb
, "preset") &&
5184 !streq(verbs
[i
].verb
, "mask") &&
5185 !streq(verbs
[i
].verb
, "unmask") &&
5186 !streq(verbs
[i
].verb
, "link")) {
5188 if (running_in_chroot() > 0) {
5189 log_info("Running in chroot, ignoring request.");
5194 log_error("Failed to get D-Bus connection: %s",
5195 dbus_error_is_set(error
) ? error
->message
: "No connection to service manager.");
5201 if (!bus
&& !avoid_bus()) {
5202 log_error("Failed to get D-Bus connection: %s",
5203 dbus_error_is_set(error
) ? error
->message
: "No connection to service manager.");
5208 return verbs
[i
].dispatch(bus
, argv
+ optind
);
5211 static int send_shutdownd(usec_t t
, char mode
, bool dry_run
, bool warn
, const char *message
) {
5213 struct msghdr msghdr
;
5214 struct iovec iovec
[2];
5215 union sockaddr_union sockaddr
;
5216 struct sd_shutdown_command c
;
5218 fd
= socket(AF_UNIX
, SOCK_DGRAM
|SOCK_CLOEXEC
, 0);
5225 c
.dry_run
= dry_run
;
5229 sockaddr
.sa
.sa_family
= AF_UNIX
;
5230 strncpy(sockaddr
.un
.sun_path
, "/run/systemd/shutdownd", sizeof(sockaddr
.un
.sun_path
));
5233 msghdr
.msg_name
= &sockaddr
;
5234 msghdr
.msg_namelen
= offsetof(struct sockaddr_un
, sun_path
) + sizeof("/run/systemd/shutdownd") - 1;
5237 iovec
[0].iov_base
= (char*) &c
;
5238 iovec
[0].iov_len
= offsetof(struct sd_shutdown_command
, wall_message
);
5240 if (isempty(message
))
5241 msghdr
.msg_iovlen
= 1;
5243 iovec
[1].iov_base
= (char*) message
;
5244 iovec
[1].iov_len
= strlen(message
);
5245 msghdr
.msg_iovlen
= 2;
5247 msghdr
.msg_iov
= iovec
;
5249 if (sendmsg(fd
, &msghdr
, MSG_NOSIGNAL
) < 0) {
5250 close_nointr_nofail(fd
);
5254 close_nointr_nofail(fd
);
5258 static int reload_with_fallback(DBusConnection
*bus
) {
5261 /* First, try systemd via D-Bus. */
5262 if (daemon_reload(bus
, NULL
) >= 0)
5266 /* Nothing else worked, so let's try signals */
5267 assert(arg_action
== ACTION_RELOAD
|| arg_action
== ACTION_REEXEC
);
5269 if (kill(1, arg_action
== ACTION_RELOAD
? SIGHUP
: SIGTERM
) < 0) {
5270 log_error("kill() failed: %m");
5277 static int start_with_fallback(DBusConnection
*bus
) {
5280 /* First, try systemd via D-Bus. */
5281 if (start_unit(bus
, NULL
) >= 0)
5285 /* Hmm, talking to systemd via D-Bus didn't work. Then
5286 * let's try to talk to Upstart via D-Bus. */
5287 if (talk_upstart() > 0)
5290 /* Nothing else worked, so let's try
5292 if (talk_initctl() > 0)
5295 log_error("Failed to talk to init daemon.");
5299 warn_wall(arg_action
);
5303 static void halt_now(enum action a
) {
5305 /* Make sure C-A-D is handled by the kernel from this
5307 reboot(RB_ENABLE_CAD
);
5312 log_info("Halting.");
5313 reboot(RB_HALT_SYSTEM
);
5316 case ACTION_POWEROFF
:
5317 log_info("Powering off.");
5318 reboot(RB_POWER_OFF
);
5322 log_info("Rebooting.");
5323 reboot(RB_AUTOBOOT
);
5327 assert_not_reached("Unknown halt action.");
5330 assert_not_reached("Uh? This shouldn't happen.");
5333 static int halt_main(DBusConnection
*bus
) {
5336 if (geteuid() != 0) {
5337 /* Try logind if we are a normal user and no special
5338 * mode applies. Maybe PolicyKit allows us to shutdown
5341 if (arg_when
<= 0 &&
5344 (arg_action
== ACTION_POWEROFF
||
5345 arg_action
== ACTION_REBOOT
)) {
5346 r
= reboot_with_logind(bus
, arg_action
);
5351 log_error("Must be root.");
5358 m
= strv_join(arg_wall
, " ");
5359 r
= send_shutdownd(arg_when
,
5360 arg_action
== ACTION_HALT
? 'H' :
5361 arg_action
== ACTION_POWEROFF
? 'P' :
5362 arg_action
== ACTION_KEXEC
? 'K' :
5370 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r
));
5372 char date
[FORMAT_TIMESTAMP_MAX
];
5374 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5375 format_timestamp(date
, sizeof(date
), arg_when
));
5380 if (!arg_dry
&& !arg_immediate
)
5381 return start_with_fallback(bus
);
5384 if (sd_booted() > 0)
5385 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
5387 r
= utmp_put_shutdown();
5389 log_warning("Failed to write utmp record: %s", strerror(-r
));
5399 halt_now(arg_action
);
5400 /* We should never reach this. */
5404 static int runlevel_main(void) {
5405 int r
, runlevel
, previous
;
5407 r
= utmp_get_runlevel(&runlevel
, &previous
);
5414 previous
<= 0 ? 'N' : previous
,
5415 runlevel
<= 0 ? 'N' : runlevel
);
5420 int main(int argc
, char*argv
[]) {
5421 int r
, retval
= EXIT_FAILURE
;
5422 DBusConnection
*bus
= NULL
;
5425 dbus_error_init(&error
);
5427 log_parse_environment();
5430 r
= parse_argv(argc
, argv
);
5434 retval
= EXIT_SUCCESS
;
5438 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5439 * let's shortcut this */
5440 if (arg_action
== ACTION_RUNLEVEL
) {
5441 r
= runlevel_main();
5442 retval
= r
< 0 ? EXIT_FAILURE
: r
;
5446 if (running_in_chroot() > 0 && arg_action
!= ACTION_SYSTEMCTL
) {
5447 log_info("Running in chroot, ignoring request.");
5453 if (arg_transport
== TRANSPORT_NORMAL
)
5454 bus_connect(arg_scope
== UNIT_FILE_SYSTEM
? DBUS_BUS_SYSTEM
: DBUS_BUS_SESSION
, &bus
, &private_bus
, &error
);
5455 else if (arg_transport
== TRANSPORT_POLKIT
) {
5456 bus_connect_system_polkit(&bus
, &error
);
5457 private_bus
= false;
5458 } else if (arg_transport
== TRANSPORT_SSH
) {
5459 bus_connect_system_ssh(NULL
, arg_host
, &bus
, &error
);
5460 private_bus
= false;
5462 assert_not_reached("Uh, invalid transport...");
5465 switch (arg_action
) {
5467 case ACTION_SYSTEMCTL
:
5468 r
= systemctl_main(bus
, argc
, argv
, &error
);
5472 case ACTION_POWEROFF
:
5478 case ACTION_RUNLEVEL2
:
5479 case ACTION_RUNLEVEL3
:
5480 case ACTION_RUNLEVEL4
:
5481 case ACTION_RUNLEVEL5
:
5483 case ACTION_EMERGENCY
:
5484 case ACTION_DEFAULT
:
5485 r
= start_with_fallback(bus
);
5490 r
= reload_with_fallback(bus
);
5493 case ACTION_CANCEL_SHUTDOWN
:
5494 r
= send_shutdownd(0, 0, false, false, NULL
);
5497 case ACTION_INVALID
:
5498 case ACTION_RUNLEVEL
:
5500 assert_not_reached("Unknown action");
5503 retval
= r
< 0 ? EXIT_FAILURE
: r
;
5507 dbus_connection_flush(bus
);
5508 dbus_connection_close(bus
);
5509 dbus_connection_unref(bus
);
5512 dbus_error_free(&error
);
5516 strv_free(arg_property
);
5519 ask_password_agent_close();
5520 polkit_agent_close();