1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
10 #include "alloc-util.h"
11 #include "bus-error.h"
12 #include "bus-locator.h"
13 #include "bus-map-properties.h"
14 #include "bus-print-properties.h"
15 #include "bus-unit-procs.h"
16 #include "cgroup-show.h"
17 #include "cgroup-util.h"
18 #include "format-table.h"
20 #include "logs-show.h"
22 #include "main-func.h"
23 #include "memory-util.h"
25 #include "parse-argument.h"
26 #include "parse-util.h"
27 #include "pretty-print.h"
28 #include "process-util.h"
29 #include "rlimit-util.h"
31 #include "signal-util.h"
32 #include "spawn-polkit-agent.h"
33 #include "string-table.h"
35 #include "sysfs-show.h"
36 #include "terminal-util.h"
37 #include "unit-name.h"
38 #include "user-util.h"
41 static char **arg_property
= NULL
;
42 static BusPrintPropertyFlags arg_print_flags
= 0;
43 static bool arg_full
= false;
44 static PagerFlags arg_pager_flags
= 0;
45 static bool arg_legend
= true;
46 static const char *arg_kill_whom
= NULL
;
47 static int arg_signal
= SIGTERM
;
48 static BusTransport arg_transport
= BUS_TRANSPORT_LOCAL
;
49 static char *arg_host
= NULL
;
50 static bool arg_ask_password
= true;
51 static unsigned arg_lines
= 10;
52 static OutputMode arg_output
= OUTPUT_SHORT
;
54 STATIC_DESTRUCTOR_REGISTER(arg_property
, strv_freep
);
56 static OutputFlags
get_output_flags(void) {
59 FLAGS_SET(arg_print_flags
, BUS_PRINT_PROPERTY_SHOW_EMPTY
) * OUTPUT_SHOW_ALL
|
60 (arg_full
|| !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH
|
61 colors_enabled() * OUTPUT_COLOR
;
64 static int get_session_path(sd_bus
*bus
, const char *session_id
, sd_bus_error
*error
, char **path
) {
65 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
69 r
= bus_call_method(bus
, bus_login_mgr
, "GetSession", error
, &reply
, "s", session_id
);
73 r
= sd_bus_message_read(reply
, "o", &ans
);
85 static int show_table(Table
*table
, const char *word
) {
91 if (table_get_rows(table
) > 1 || OUTPUT_MODE_IS_JSON(arg_output
)) {
92 r
= table_set_sort(table
, (size_t) 0);
94 return table_log_sort_error(r
);
96 table_set_header(table
, arg_legend
);
98 if (OUTPUT_MODE_IS_JSON(arg_output
))
99 r
= table_print_json(table
, NULL
, output_mode_to_json_format_flags(arg_output
) | JSON_FORMAT_COLOR_AUTO
);
101 r
= table_print(table
, NULL
);
103 return table_log_print_error(r
);
107 if (table_get_rows(table
) > 1)
108 printf("\n%zu %s listed.\n", table_get_rows(table
) - 1, word
);
110 printf("No %s.\n", word
);
116 static int list_sessions(int argc
, char *argv
[], void *userdata
) {
117 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
118 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
119 _cleanup_(table_unrefp
) Table
*table
= NULL
;
120 sd_bus
*bus
= ASSERT_PTR(userdata
);
125 pager_open(arg_pager_flags
);
127 r
= bus_call_method(bus
, bus_login_mgr
, "ListSessions", &error
, &reply
, NULL
);
129 return log_error_errno(r
, "Failed to list sessions: %s", bus_error_message(&error
, r
));
131 r
= sd_bus_message_enter_container(reply
, 'a', "(susso)");
133 return bus_log_parse_error(r
);
135 table
= table_new("session", "uid", "user", "seat", "tty");
139 /* Right-align the first two fields (since they are numeric) */
140 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
141 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(1), 100);
144 _cleanup_(sd_bus_error_free
) sd_bus_error error_tty
= SD_BUS_ERROR_NULL
;
145 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply_tty
= NULL
;
146 const char *id
, *user
, *seat
, *object
, *tty
= NULL
;
149 r
= sd_bus_message_read(reply
, "(susso)", &id
, &uid
, &user
, &seat
, &object
);
151 return bus_log_parse_error(r
);
155 r
= sd_bus_get_property(
157 "org.freedesktop.login1",
159 "org.freedesktop.login1.Session",
165 log_warning_errno(r
, "Failed to get TTY for session %s: %s", id
, bus_error_message(&error_tty
, r
));
167 r
= sd_bus_message_read(reply_tty
, "s", &tty
);
169 return bus_log_parse_error(r
);
172 r
= table_add_many(table
,
174 TABLE_UID
, (uid_t
) uid
,
177 TABLE_STRING
, strna(tty
));
179 return table_log_add_error(r
);
182 r
= sd_bus_message_exit_container(reply
);
184 return bus_log_parse_error(r
);
186 return show_table(table
, "sessions");
189 static int list_users(int argc
, char *argv
[], void *userdata
) {
190 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
191 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
192 _cleanup_(table_unrefp
) Table
*table
= NULL
;
193 sd_bus
*bus
= ASSERT_PTR(userdata
);
198 pager_open(arg_pager_flags
);
200 r
= bus_call_method(bus
, bus_login_mgr
, "ListUsers", &error
, &reply
, NULL
);
202 return log_error_errno(r
, "Failed to list users: %s", bus_error_message(&error
, r
));
204 r
= sd_bus_message_enter_container(reply
, 'a', "(uso)");
206 return bus_log_parse_error(r
);
208 table
= table_new("uid", "user", "linger");
212 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
215 const char *user
, *object
;
219 r
= sd_bus_message_read(reply
, "(uso)", &uid
, &user
, &object
);
221 return bus_log_parse_error(r
);
225 r
= sd_bus_get_property_trivial(bus
,
226 "org.freedesktop.login1",
228 "org.freedesktop.login1.User",
234 return log_error_errno(r
, "Failed to get linger status: %s", bus_error_message(&error
, r
));
236 r
= table_add_many(table
,
237 TABLE_UID
, (uid_t
) uid
,
239 TABLE_BOOLEAN
, linger
);
241 return table_log_add_error(r
);
244 r
= sd_bus_message_exit_container(reply
);
246 return bus_log_parse_error(r
);
248 return show_table(table
, "users");
251 static int list_seats(int argc
, char *argv
[], void *userdata
) {
252 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
253 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
254 _cleanup_(table_unrefp
) Table
*table
= NULL
;
255 sd_bus
*bus
= ASSERT_PTR(userdata
);
260 pager_open(arg_pager_flags
);
262 r
= bus_call_method(bus
, bus_login_mgr
, "ListSeats", &error
, &reply
, NULL
);
264 return log_error_errno(r
, "Failed to list seats: %s", bus_error_message(&error
, r
));
266 r
= sd_bus_message_enter_container(reply
, 'a', "(so)");
268 return bus_log_parse_error(r
);
270 table
= table_new("seat");
277 r
= sd_bus_message_read(reply
, "(so)", &seat
, NULL
);
279 return bus_log_parse_error(r
);
283 r
= table_add_cell(table
, NULL
, TABLE_STRING
, seat
);
285 return table_log_add_error(r
);
288 r
= sd_bus_message_exit_container(reply
);
290 return bus_log_parse_error(r
);
292 return show_table(table
, "seats");
295 static int show_unit_cgroup(sd_bus
*bus
, const char *interface
, const char *unit
, pid_t leader
) {
296 _cleanup_free_
char *cgroup
= NULL
;
297 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
304 r
= show_cgroup_get_unit_path_and_warn(bus
, unit
, &cgroup
);
317 r
= unit_show_processes(bus
, unit
, cgroup
, "\t\t ", c
, get_output_flags(), &error
);
320 if (arg_transport
== BUS_TRANSPORT_REMOTE
)
323 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
325 if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER
, cgroup
) != 0 && leader
<= 0)
328 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER
, cgroup
, "\t\t ", c
, &leader
, leader
> 0, get_output_flags());
330 return log_error_errno(r
, "Failed to dump process list: %s", bus_error_message(&error
, r
));
335 typedef struct SessionStatusInfo
{
339 struct dual_timestamp timestamp
;
345 const char *remote_host
;
346 const char *remote_user
;
356 typedef struct UserStatusInfo
{
360 struct dual_timestamp timestamp
;
367 typedef struct SeatStatusInfo
{
369 const char *active_session
;
373 static void user_status_info_clear(UserStatusInfo
*info
) {
375 strv_free(info
->sessions
);
380 static void seat_status_info_clear(SeatStatusInfo
*info
) {
382 strv_free(info
->sessions
);
387 static int prop_map_first_of_struct(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
388 const char *contents
;
391 r
= sd_bus_message_peek_type(m
, NULL
, &contents
);
395 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_STRUCT
, contents
);
399 r
= sd_bus_message_read_basic(m
, contents
[0], userdata
);
403 r
= sd_bus_message_skip(m
, contents
+1);
407 r
= sd_bus_message_exit_container(m
);
414 static int prop_map_sessions_strv(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
421 r
= sd_bus_message_enter_container(m
, 'a', "(so)");
425 while ((r
= sd_bus_message_read(m
, "(so)", &name
, NULL
)) > 0) {
426 r
= strv_extend(userdata
, name
);
433 return sd_bus_message_exit_container(m
);
436 static int print_session_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
438 static const struct bus_properties_map map
[] = {
439 { "Id", "s", NULL
, offsetof(SessionStatusInfo
, id
) },
440 { "Name", "s", NULL
, offsetof(SessionStatusInfo
, name
) },
441 { "TTY", "s", NULL
, offsetof(SessionStatusInfo
, tty
) },
442 { "Display", "s", NULL
, offsetof(SessionStatusInfo
, display
) },
443 { "RemoteHost", "s", NULL
, offsetof(SessionStatusInfo
, remote_host
) },
444 { "RemoteUser", "s", NULL
, offsetof(SessionStatusInfo
, remote_user
) },
445 { "Service", "s", NULL
, offsetof(SessionStatusInfo
, service
) },
446 { "Desktop", "s", NULL
, offsetof(SessionStatusInfo
, desktop
) },
447 { "Type", "s", NULL
, offsetof(SessionStatusInfo
, type
) },
448 { "Class", "s", NULL
, offsetof(SessionStatusInfo
, class) },
449 { "Scope", "s", NULL
, offsetof(SessionStatusInfo
, scope
) },
450 { "State", "s", NULL
, offsetof(SessionStatusInfo
, state
) },
451 { "VTNr", "u", NULL
, offsetof(SessionStatusInfo
, vtnr
) },
452 { "Leader", "u", NULL
, offsetof(SessionStatusInfo
, leader
) },
453 { "Remote", "b", NULL
, offsetof(SessionStatusInfo
, remote
) },
454 { "Timestamp", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.realtime
) },
455 { "TimestampMonotonic", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.monotonic
) },
456 { "User", "(uo)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, uid
) },
457 { "Seat", "(so)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, seat
) },
461 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
462 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
463 SessionStatusInfo i
= {};
466 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
468 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
475 printf("%s - ", strna(i
.id
));
478 printf("%s (" UID_FMT
")\n", i
.name
, i
.uid
);
480 printf(UID_FMT
"\n", i
.uid
);
482 if (timestamp_is_set(i
.timestamp
.realtime
))
483 printf("\t Since: %s; %s\n",
484 FORMAT_TIMESTAMP(i
.timestamp
.realtime
),
485 FORMAT_TIMESTAMP_RELATIVE(i
.timestamp
.realtime
));
488 _cleanup_free_
char *t
= NULL
;
490 printf("\t Leader: " PID_FMT
, i
.leader
);
492 (void) get_process_comm(i
.leader
, &t
);
499 if (!isempty(i
.seat
)) {
500 printf("\t Seat: %s", i
.seat
);
503 printf("; vc%u", i
.vtnr
);
509 printf("\t TTY: %s\n", i
.tty
);
511 printf("\t Display: %s\n", i
.display
);
513 if (i
.remote_host
&& i
.remote_user
)
514 printf("\t Remote: %s@%s\n", i
.remote_user
, i
.remote_host
);
515 else if (i
.remote_host
)
516 printf("\t Remote: %s\n", i
.remote_host
);
517 else if (i
.remote_user
)
518 printf("\t Remote: user %s\n", i
.remote_user
);
520 printf("\t Remote: Yes\n");
523 printf("\t Service: %s", i
.service
);
526 printf("; type %s", i
.type
);
529 printf("; class %s", i
.class);
533 printf("\t Type: %s", i
.type
);
536 printf("; class %s", i
.class);
540 printf("\t Class: %s\n", i
.class);
542 if (!isempty(i
.desktop
))
543 printf("\t Desktop: %s\n", i
.desktop
);
546 printf("\t State: %s\n", i
.state
);
549 printf("\t Unit: %s\n", i
.scope
);
550 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Scope", i
.scope
, i
.leader
);
552 if (arg_transport
== BUS_TRANSPORT_LOCAL
)
553 show_journal_by_unit(
559 i
.timestamp
.monotonic
,
562 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
563 SD_JOURNAL_LOCAL_ONLY
,
571 static int print_user_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
573 static const struct bus_properties_map map
[] = {
574 { "Name", "s", NULL
, offsetof(UserStatusInfo
, name
) },
575 { "Linger", "b", NULL
, offsetof(UserStatusInfo
, linger
) },
576 { "Slice", "s", NULL
, offsetof(UserStatusInfo
, slice
) },
577 { "State", "s", NULL
, offsetof(UserStatusInfo
, state
) },
578 { "UID", "u", NULL
, offsetof(UserStatusInfo
, uid
) },
579 { "Timestamp", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.realtime
) },
580 { "TimestampMonotonic", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.monotonic
) },
581 { "Display", "(so)", prop_map_first_of_struct
, offsetof(UserStatusInfo
, display
) },
582 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(UserStatusInfo
, sessions
) },
586 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
587 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
588 _cleanup_(user_status_info_clear
) UserStatusInfo i
= {};
591 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
593 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
601 printf("%s (%"PRIu32
")\n", i
.name
, i
.uid
);
603 printf("%"PRIu32
"\n", i
.uid
);
605 if (timestamp_is_set(i
.timestamp
.realtime
))
606 printf("\t Since: %s; %s\n",
607 FORMAT_TIMESTAMP(i
.timestamp
.realtime
),
608 FORMAT_TIMESTAMP_RELATIVE(i
.timestamp
.realtime
));
610 if (!isempty(i
.state
))
611 printf("\t State: %s\n", i
.state
);
613 if (!strv_isempty(i
.sessions
)) {
614 printf("\tSessions:");
616 STRV_FOREACH(l
, i
.sessions
)
618 streq_ptr(*l
, i
.display
) ? "*" : "",
624 printf("\t Linger: %s\n", yes_no(i
.linger
));
627 printf("\t Unit: %s\n", i
.slice
);
628 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Slice", i
.slice
, 0);
630 show_journal_by_unit(
636 i
.timestamp
.monotonic
,
639 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
640 SD_JOURNAL_LOCAL_ONLY
,
648 static int print_seat_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
650 static const struct bus_properties_map map
[] = {
651 { "Id", "s", NULL
, offsetof(SeatStatusInfo
, id
) },
652 { "ActiveSession", "(so)", prop_map_first_of_struct
, offsetof(SeatStatusInfo
, active_session
) },
653 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(SeatStatusInfo
, sessions
) },
657 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
658 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
659 _cleanup_(seat_status_info_clear
) SeatStatusInfo i
= {};
662 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, 0, &error
, &m
, &i
);
664 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
671 printf("%s\n", strna(i
.id
));
673 if (!strv_isempty(i
.sessions
)) {
674 printf("\tSessions:");
676 STRV_FOREACH(l
, i
.sessions
) {
677 if (streq_ptr(*l
, i
.active_session
))
686 if (arg_transport
== BUS_TRANSPORT_LOCAL
) {
695 printf("\t Devices:\n");
697 show_sysfs(i
.id
, "\t\t ", c
, get_output_flags());
703 static int print_property(const char *name
, const char *expected_value
, sd_bus_message
*m
, BusPrintPropertyFlags flags
) {
705 const char *contents
;
711 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
717 case SD_BUS_TYPE_STRUCT
:
719 if (contents
[0] == SD_BUS_TYPE_STRING
&& STR_IN_SET(name
, "Display", "Seat", "ActiveSession")) {
722 r
= sd_bus_message_read(m
, "(so)", &s
, NULL
);
724 return bus_log_parse_error(r
);
726 bus_print_property_value(name
, expected_value
, flags
, s
);
730 } else if (contents
[0] == SD_BUS_TYPE_UINT32
&& streq(name
, "User")) {
733 r
= sd_bus_message_read(m
, "(uo)", &uid
, NULL
);
735 return bus_log_parse_error(r
);
737 if (!uid_is_valid(uid
))
738 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
739 "Invalid user ID: " UID_FMT
,
742 bus_print_property_valuef(name
, expected_value
, flags
, UID_FMT
, uid
);
747 case SD_BUS_TYPE_ARRAY
:
749 if (contents
[0] == SD_BUS_TYPE_STRUCT_BEGIN
&& streq(name
, "Sessions")) {
753 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_ARRAY
, "(so)");
755 return bus_log_parse_error(r
);
757 if (!FLAGS_SET(flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
))
760 while ((r
= sd_bus_message_read(m
, "(so)", &s
, NULL
)) > 0) {
761 printf("%s%s", space
? " " : "", s
);
765 if (space
|| !FLAGS_SET(flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
))
769 return bus_log_parse_error(r
);
771 r
= sd_bus_message_exit_container(m
);
773 return bus_log_parse_error(r
);
783 static int show_properties(sd_bus
*bus
, const char *path
, bool *new_line
) {
795 r
= bus_print_all_properties(
797 "org.freedesktop.login1",
804 return bus_log_parse_error(r
);
809 static int show_session(int argc
, char *argv
[], void *userdata
) {
810 bool properties
, new_line
= false;
811 sd_bus
*bus
= ASSERT_PTR(userdata
);
813 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
814 _cleanup_free_
char *path
= NULL
;
818 properties
= !strstr(argv
[0], "status");
820 pager_open(arg_pager_flags
);
823 /* If no argument is specified inspect the manager itself */
825 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
827 return print_session_status_info(bus
, "/org/freedesktop/login1/session/auto", &new_line
);
830 for (int i
= 1; i
< argc
; i
++) {
831 r
= get_session_path(bus
, argv
[i
], &error
, &path
);
833 return log_error_errno(r
, "Failed to get session path: %s", bus_error_message(&error
, r
));
836 r
= show_properties(bus
, path
, &new_line
);
838 r
= print_session_status_info(bus
, path
, &new_line
);
847 static int show_user(int argc
, char *argv
[], void *userdata
) {
848 bool properties
, new_line
= false;
849 sd_bus
*bus
= ASSERT_PTR(userdata
);
854 properties
= !strstr(argv
[0], "status");
856 pager_open(arg_pager_flags
);
859 /* If no argument is specified inspect the manager itself */
861 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
863 return print_user_status_info(bus
, "/org/freedesktop/login1/user/self", &new_line
);
866 for (int i
= 1; i
< argc
; i
++) {
867 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
868 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
869 const char *path
= NULL
;
872 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
, 0);
874 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
876 r
= sd_bus_call_method(
878 "org.freedesktop.login1",
879 "/org/freedesktop/login1",
880 "org.freedesktop.login1.Manager",
883 "u", (uint32_t) uid
);
885 return log_error_errno(r
, "Failed to get user: %s", bus_error_message(&error
, r
));
887 r
= sd_bus_message_read(reply
, "o", &path
);
889 return bus_log_parse_error(r
);
892 r
= show_properties(bus
, path
, &new_line
);
894 r
= print_user_status_info(bus
, path
, &new_line
);
903 static int show_seat(int argc
, char *argv
[], void *userdata
) {
904 bool properties
, new_line
= false;
905 sd_bus
*bus
= ASSERT_PTR(userdata
);
910 properties
= !strstr(argv
[0], "status");
912 pager_open(arg_pager_flags
);
915 /* If no argument is specified inspect the manager itself */
917 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
919 return print_seat_status_info(bus
, "/org/freedesktop/login1/seat/auto", &new_line
);
922 for (int i
= 1; i
< argc
; i
++) {
923 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
924 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
925 const char *path
= NULL
;
927 r
= bus_call_method(bus
, bus_login_mgr
, "GetSeat", &error
, &reply
, "s", argv
[i
]);
929 return log_error_errno(r
, "Failed to get seat: %s", bus_error_message(&error
, r
));
931 r
= sd_bus_message_read(reply
, "o", &path
);
933 return bus_log_parse_error(r
);
936 r
= show_properties(bus
, path
, &new_line
);
938 r
= print_seat_status_info(bus
, path
, &new_line
);
947 static int activate(int argc
, char *argv
[], void *userdata
) {
948 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
949 sd_bus
*bus
= ASSERT_PTR(userdata
);
954 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
957 r
= sd_bus_call_method(
959 "org.freedesktop.login1",
960 "/org/freedesktop/login1/session/auto",
961 "org.freedesktop.login1.Session",
962 streq(argv
[0], "lock-session") ? "Lock" :
963 streq(argv
[0], "unlock-session") ? "Unlock" :
964 streq(argv
[0], "terminate-session") ? "Terminate" :
968 return log_error_errno(r
, "Failed to issue method call: %s", bus_error_message(&error
, r
));
973 for (int i
= 1; i
< argc
; i
++) {
978 streq(argv
[0], "lock-session") ? "LockSession" :
979 streq(argv
[0], "unlock-session") ? "UnlockSession" :
980 streq(argv
[0], "terminate-session") ? "TerminateSession" :
985 return log_error_errno(r
, "Failed to issue method call: %s", bus_error_message(&error
, r
));
991 static int kill_session(int argc
, char *argv
[], void *userdata
) {
992 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
993 sd_bus
*bus
= ASSERT_PTR(userdata
);
998 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1001 arg_kill_whom
= "all";
1003 for (int i
= 1; i
< argc
; i
++) {
1005 r
= bus_call_method(
1010 "ssi", argv
[i
], arg_kill_whom
, arg_signal
);
1012 return log_error_errno(r
, "Could not kill session: %s", bus_error_message(&error
, r
));
1018 static int enable_linger(int argc
, char *argv
[], void *userdata
) {
1019 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1020 sd_bus
*bus
= ASSERT_PTR(userdata
);
1021 char* short_argv
[3];
1027 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1029 b
= streq(argv
[0], "enable-linger");
1032 /* No argument? Let's use an empty user name,
1033 * then logind will use our user. */
1035 short_argv
[0] = argv
[0];
1036 short_argv
[1] = (char*) "";
1037 short_argv
[2] = NULL
;
1042 for (int i
= 1; i
< argc
; i
++) {
1045 if (isempty(argv
[i
]))
1048 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
, 0);
1050 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1053 r
= bus_call_method(
1058 "ubb", (uint32_t) uid
, b
, true);
1060 return log_error_errno(r
, "Could not enable linger: %s", bus_error_message(&error
, r
));
1066 static int terminate_user(int argc
, char *argv
[], void *userdata
) {
1067 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1068 sd_bus
*bus
= ASSERT_PTR(userdata
);
1073 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1075 for (int i
= 1; i
< argc
; i
++) {
1078 if (isempty(argv
[i
]))
1081 const char *u
= argv
[i
];
1083 r
= get_user_creds(&u
, &uid
, NULL
, NULL
, NULL
, 0);
1085 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1088 r
= bus_call_method(bus
, bus_login_mgr
, "TerminateUser", &error
, NULL
, "u", (uint32_t) uid
);
1090 return log_error_errno(r
, "Could not terminate user: %s", bus_error_message(&error
, r
));
1096 static int kill_user(int argc
, char *argv
[], void *userdata
) {
1097 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1098 sd_bus
*bus
= ASSERT_PTR(userdata
);
1103 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1106 arg_kill_whom
= "all";
1108 for (int i
= 1; i
< argc
; i
++) {
1111 if (isempty(argv
[i
]))
1114 const char *u
= argv
[i
];
1116 r
= get_user_creds(&u
, &uid
, NULL
, NULL
, NULL
, 0);
1118 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1121 r
= bus_call_method(
1126 "ui", (uint32_t) uid
, arg_signal
);
1128 return log_error_errno(r
, "Could not kill user: %s", bus_error_message(&error
, r
));
1134 static int attach(int argc
, char *argv
[], void *userdata
) {
1135 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1136 sd_bus
*bus
= ASSERT_PTR(userdata
);
1141 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1143 for (int i
= 2; i
< argc
; i
++) {
1145 r
= bus_call_method(
1150 "ssb", argv
[1], argv
[i
], true);
1152 return log_error_errno(r
, "Could not attach device: %s", bus_error_message(&error
, r
));
1158 static int flush_devices(int argc
, char *argv
[], void *userdata
) {
1159 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1160 sd_bus
*bus
= ASSERT_PTR(userdata
);
1165 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1167 r
= bus_call_method(bus
, bus_login_mgr
, "FlushDevices", &error
, NULL
, "b", true);
1169 return log_error_errno(r
, "Could not flush devices: %s", bus_error_message(&error
, r
));
1174 static int lock_sessions(int argc
, char *argv
[], void *userdata
) {
1175 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1176 sd_bus
*bus
= ASSERT_PTR(userdata
);
1181 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1183 r
= bus_call_method(
1186 streq(argv
[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
1190 return log_error_errno(r
, "Could not lock sessions: %s", bus_error_message(&error
, r
));
1195 static int terminate_seat(int argc
, char *argv
[], void *userdata
) {
1196 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1197 sd_bus
*bus
= ASSERT_PTR(userdata
);
1202 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1204 for (int i
= 1; i
< argc
; i
++) {
1206 r
= bus_call_method(bus
, bus_login_mgr
, "TerminateSeat", &error
, NULL
, "s", argv
[i
]);
1208 return log_error_errno(r
, "Could not terminate seat: %s", bus_error_message(&error
, r
));
1214 static int help(int argc
, char *argv
[], void *userdata
) {
1215 _cleanup_free_
char *link
= NULL
;
1218 pager_open(arg_pager_flags
);
1220 r
= terminal_urlify_man("loginctl", "1", &link
);
1224 printf("%s [OPTIONS...] COMMAND ...\n\n"
1225 "%sSend control commands to or query the login manager.%s\n"
1226 "\nSession Commands:\n"
1227 " list-sessions List sessions\n"
1228 " session-status [ID...] Show session status\n"
1229 " show-session [ID...] Show properties of sessions or the manager\n"
1230 " activate [ID] Activate a session\n"
1231 " lock-session [ID...] Screen lock one or more sessions\n"
1232 " unlock-session [ID...] Screen unlock one or more sessions\n"
1233 " lock-sessions Screen lock all current sessions\n"
1234 " unlock-sessions Screen unlock all current sessions\n"
1235 " terminate-session ID... Terminate one or more sessions\n"
1236 " kill-session ID... Send signal to processes of a session\n"
1237 "\nUser Commands:\n"
1238 " list-users List users\n"
1239 " user-status [USER...] Show user status\n"
1240 " show-user [USER...] Show properties of users or the manager\n"
1241 " enable-linger [USER...] Enable linger state of one or more users\n"
1242 " disable-linger [USER...] Disable linger state of one or more users\n"
1243 " terminate-user USER... Terminate all sessions of one or more users\n"
1244 " kill-user USER... Send signal to processes of a user\n"
1245 "\nSeat Commands:\n"
1246 " list-seats List seats\n"
1247 " seat-status [NAME...] Show seat status\n"
1248 " show-seat [NAME...] Show properties of seats or the manager\n"
1249 " attach NAME DEVICE... Attach one or more devices to a seat\n"
1250 " flush-devices Flush all device associations\n"
1251 " terminate-seat NAME... Terminate all sessions on one or more seats\n"
1253 " -h --help Show this help\n"
1254 " --version Show package version\n"
1255 " --no-pager Do not pipe output into a pager\n"
1256 " --no-legend Do not show the headers and footers\n"
1257 " --no-ask-password Don't prompt for password\n"
1258 " -H --host=[USER@]HOST Operate on remote host\n"
1259 " -M --machine=CONTAINER Operate on local container\n"
1260 " -p --property=NAME Show only properties by this name\n"
1261 " -P NAME Equivalent to --value --property=NAME\n"
1262 " -a --all Show all properties, including empty ones\n"
1263 " --value When showing properties, only print the value\n"
1264 " -l --full Do not ellipsize output\n"
1265 " --kill-whom=WHOM Whom to send signal to\n"
1266 " -s --signal=SIGNAL Which signal to send\n"
1267 " -n --lines=INTEGER Number of journal entries to show\n"
1268 " -o --output=STRING Change journal output mode (short, short-precise,\n"
1269 " short-iso, short-iso-precise, short-full,\n"
1270 " short-monotonic, short-unix, verbose, export,\n"
1271 " json, json-pretty, json-sse, json-seq, cat,\n"
1273 "\nSee the %s for details.\n",
1274 program_invocation_short_name
,
1282 static int parse_argv(int argc
, char *argv
[]) {
1284 ARG_VERSION
= 0x100,
1289 ARG_NO_ASK_PASSWORD
,
1292 static const struct option options
[] = {
1293 { "help", no_argument
, NULL
, 'h' },
1294 { "version", no_argument
, NULL
, ARG_VERSION
},
1295 { "property", required_argument
, NULL
, 'p' },
1296 { "all", no_argument
, NULL
, 'a' },
1297 { "value", no_argument
, NULL
, ARG_VALUE
},
1298 { "full", no_argument
, NULL
, 'l' },
1299 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
1300 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
1301 { "kill-whom", required_argument
, NULL
, ARG_KILL_WHOM
},
1302 { "signal", required_argument
, NULL
, 's' },
1303 { "host", required_argument
, NULL
, 'H' },
1304 { "machine", required_argument
, NULL
, 'M' },
1305 { "no-ask-password", no_argument
, NULL
, ARG_NO_ASK_PASSWORD
},
1306 { "lines", required_argument
, NULL
, 'n' },
1307 { "output", required_argument
, NULL
, 'o' },
1316 while ((c
= getopt_long(argc
, argv
, "hp:P:als:H:M:n:o:", options
, NULL
)) >= 0)
1321 return help(0, NULL
, NULL
);
1327 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
, true);
1331 r
= strv_extend(&arg_property
, optarg
);
1335 /* If the user asked for a particular
1336 * property, show it to them, even if it is
1338 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_SHOW_EMPTY
, true);
1343 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_SHOW_EMPTY
, true);
1347 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
, true);
1355 if (safe_atou(optarg
, &arg_lines
) < 0)
1356 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1357 "Failed to parse lines '%s'", optarg
);
1361 if (streq(optarg
, "help")) {
1362 DUMP_STRING_TABLE(output_mode
, OutputMode
, _OUTPUT_MODE_MAX
);
1366 arg_output
= output_mode_from_string(optarg
);
1368 return log_error_errno(arg_output
, "Unknown output '%s'.", optarg
);
1370 if (OUTPUT_MODE_IS_JSON(arg_output
))
1376 arg_pager_flags
|= PAGER_DISABLE
;
1383 case ARG_NO_ASK_PASSWORD
:
1384 arg_ask_password
= false;
1388 arg_kill_whom
= optarg
;
1392 r
= parse_signal_argument(optarg
, &arg_signal
);
1398 arg_transport
= BUS_TRANSPORT_REMOTE
;
1403 arg_transport
= BUS_TRANSPORT_MACHINE
;
1411 assert_not_reached();
1417 static int loginctl_main(int argc
, char *argv
[], sd_bus
*bus
) {
1418 static const Verb verbs
[] = {
1419 { "help", VERB_ANY
, VERB_ANY
, 0, help
},
1420 { "list-sessions", VERB_ANY
, 1, VERB_DEFAULT
, list_sessions
},
1421 { "session-status", VERB_ANY
, VERB_ANY
, 0, show_session
},
1422 { "show-session", VERB_ANY
, VERB_ANY
, 0, show_session
},
1423 { "activate", VERB_ANY
, 2, 0, activate
},
1424 { "lock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1425 { "unlock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1426 { "lock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1427 { "unlock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1428 { "terminate-session", 2, VERB_ANY
, 0, activate
},
1429 { "kill-session", 2, VERB_ANY
, 0, kill_session
},
1430 { "list-users", VERB_ANY
, 1, 0, list_users
},
1431 { "user-status", VERB_ANY
, VERB_ANY
, 0, show_user
},
1432 { "show-user", VERB_ANY
, VERB_ANY
, 0, show_user
},
1433 { "enable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1434 { "disable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1435 { "terminate-user", 2, VERB_ANY
, 0, terminate_user
},
1436 { "kill-user", 2, VERB_ANY
, 0, kill_user
},
1437 { "list-seats", VERB_ANY
, 1, 0, list_seats
},
1438 { "seat-status", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1439 { "show-seat", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1440 { "attach", 3, VERB_ANY
, 0, attach
},
1441 { "flush-devices", VERB_ANY
, 1, 0, flush_devices
},
1442 { "terminate-seat", 2, VERB_ANY
, 0, terminate_seat
},
1446 return dispatch_verb(argc
, argv
, verbs
, bus
);
1449 static int run(int argc
, char *argv
[]) {
1450 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
1453 setlocale(LC_ALL
, "");
1456 /* The journal merging logic potentially needs a lot of fds. */
1457 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE
);
1461 r
= parse_argv(argc
, argv
);
1465 r
= bus_connect_transport(arg_transport
, arg_host
, false, &bus
);
1467 return bus_log_connect_error(r
, arg_transport
);
1469 (void) sd_bus_set_allow_interactive_authorization(bus
, arg_ask_password
);
1471 return loginctl_main(argc
, argv
, bus
);
1474 DEFINE_MAIN_FUNCTION(run
);