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_who
= 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
= userdata
;
126 (void) pager_open(arg_pager_flags
);
128 r
= bus_call_method(bus
, bus_login_mgr
, "ListSessions", &error
, &reply
, NULL
);
130 return log_error_errno(r
, "Failed to list sessions: %s", bus_error_message(&error
, r
));
132 r
= sd_bus_message_enter_container(reply
, 'a', "(susso)");
134 return bus_log_parse_error(r
);
136 table
= table_new("session", "uid", "user", "seat", "tty");
140 /* Right-align the first two fields (since they are numeric) */
141 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
142 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(1), 100);
145 _cleanup_(sd_bus_error_free
) sd_bus_error error_tty
= SD_BUS_ERROR_NULL
;
146 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply_tty
= NULL
;
147 const char *id
, *user
, *seat
, *object
, *tty
= NULL
;
150 r
= sd_bus_message_read(reply
, "(susso)", &id
, &uid
, &user
, &seat
, &object
);
152 return bus_log_parse_error(r
);
156 r
= sd_bus_get_property(
158 "org.freedesktop.login1",
160 "org.freedesktop.login1.Session",
166 log_warning_errno(r
, "Failed to get TTY for session %s: %s", id
, bus_error_message(&error_tty
, r
));
168 r
= sd_bus_message_read(reply_tty
, "s", &tty
);
170 return bus_log_parse_error(r
);
173 r
= table_add_many(table
,
175 TABLE_UID
, (uid_t
) uid
,
178 TABLE_STRING
, strna(tty
));
180 return table_log_add_error(r
);
183 r
= sd_bus_message_exit_container(reply
);
185 return bus_log_parse_error(r
);
187 return show_table(table
, "sessions");
190 static int list_users(int argc
, char *argv
[], void *userdata
) {
191 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
192 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
193 _cleanup_(table_unrefp
) Table
*table
= NULL
;
194 sd_bus
*bus
= userdata
;
200 (void) pager_open(arg_pager_flags
);
202 r
= bus_call_method(bus
, bus_login_mgr
, "ListUsers", &error
, &reply
, NULL
);
204 return log_error_errno(r
, "Failed to list users: %s", bus_error_message(&error
, r
));
206 r
= sd_bus_message_enter_container(reply
, 'a', "(uso)");
208 return bus_log_parse_error(r
);
210 table
= table_new("uid", "user");
214 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
220 r
= sd_bus_message_read(reply
, "(uso)", &uid
, &user
, NULL
);
222 return bus_log_parse_error(r
);
226 r
= table_add_many(table
,
227 TABLE_UID
, (uid_t
) uid
,
230 return table_log_add_error(r
);
233 r
= sd_bus_message_exit_container(reply
);
235 return bus_log_parse_error(r
);
237 return show_table(table
, "users");
240 static int list_seats(int argc
, char *argv
[], void *userdata
) {
241 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
242 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
243 _cleanup_(table_unrefp
) Table
*table
= NULL
;
244 sd_bus
*bus
= userdata
;
250 (void) pager_open(arg_pager_flags
);
252 r
= bus_call_method(bus
, bus_login_mgr
, "ListSeats", &error
, &reply
, NULL
);
254 return log_error_errno(r
, "Failed to list seats: %s", bus_error_message(&error
, r
));
256 r
= sd_bus_message_enter_container(reply
, 'a', "(so)");
258 return bus_log_parse_error(r
);
260 table
= table_new("seat");
267 r
= sd_bus_message_read(reply
, "(so)", &seat
, NULL
);
269 return bus_log_parse_error(r
);
273 r
= table_add_cell(table
, NULL
, TABLE_STRING
, seat
);
275 return table_log_add_error(r
);
278 r
= sd_bus_message_exit_container(reply
);
280 return bus_log_parse_error(r
);
282 return show_table(table
, "seats");
285 static int show_unit_cgroup(sd_bus
*bus
, const char *interface
, const char *unit
, pid_t leader
) {
286 _cleanup_free_
char *cgroup
= NULL
;
287 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
294 r
= show_cgroup_get_unit_path_and_warn(bus
, unit
, &cgroup
);
307 r
= unit_show_processes(bus
, unit
, cgroup
, "\t\t ", c
, get_output_flags(), &error
);
310 if (arg_transport
== BUS_TRANSPORT_REMOTE
)
313 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
315 if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER
, cgroup
) != 0 && leader
<= 0)
318 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER
, cgroup
, "\t\t ", c
, &leader
, leader
> 0, get_output_flags());
320 return log_error_errno(r
, "Failed to dump process list: %s", bus_error_message(&error
, r
));
325 typedef struct SessionStatusInfo
{
329 struct dual_timestamp timestamp
;
335 const char *remote_host
;
336 const char *remote_user
;
346 typedef struct UserStatusInfo
{
350 struct dual_timestamp timestamp
;
357 typedef struct SeatStatusInfo
{
359 const char *active_session
;
363 static void user_status_info_clear(UserStatusInfo
*info
) {
365 strv_free(info
->sessions
);
370 static void seat_status_info_clear(SeatStatusInfo
*info
) {
372 strv_free(info
->sessions
);
377 static int prop_map_first_of_struct(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
378 const char *contents
;
381 r
= sd_bus_message_peek_type(m
, NULL
, &contents
);
385 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_STRUCT
, contents
);
389 r
= sd_bus_message_read_basic(m
, contents
[0], userdata
);
393 r
= sd_bus_message_skip(m
, contents
+1);
397 r
= sd_bus_message_exit_container(m
);
404 static int prop_map_sessions_strv(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
411 r
= sd_bus_message_enter_container(m
, 'a', "(so)");
415 while ((r
= sd_bus_message_read(m
, "(so)", &name
, NULL
)) > 0) {
416 r
= strv_extend(userdata
, name
);
423 return sd_bus_message_exit_container(m
);
426 static int print_session_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
428 static const struct bus_properties_map map
[] = {
429 { "Id", "s", NULL
, offsetof(SessionStatusInfo
, id
) },
430 { "Name", "s", NULL
, offsetof(SessionStatusInfo
, name
) },
431 { "TTY", "s", NULL
, offsetof(SessionStatusInfo
, tty
) },
432 { "Display", "s", NULL
, offsetof(SessionStatusInfo
, display
) },
433 { "RemoteHost", "s", NULL
, offsetof(SessionStatusInfo
, remote_host
) },
434 { "RemoteUser", "s", NULL
, offsetof(SessionStatusInfo
, remote_user
) },
435 { "Service", "s", NULL
, offsetof(SessionStatusInfo
, service
) },
436 { "Desktop", "s", NULL
, offsetof(SessionStatusInfo
, desktop
) },
437 { "Type", "s", NULL
, offsetof(SessionStatusInfo
, type
) },
438 { "Class", "s", NULL
, offsetof(SessionStatusInfo
, class) },
439 { "Scope", "s", NULL
, offsetof(SessionStatusInfo
, scope
) },
440 { "State", "s", NULL
, offsetof(SessionStatusInfo
, state
) },
441 { "VTNr", "u", NULL
, offsetof(SessionStatusInfo
, vtnr
) },
442 { "Leader", "u", NULL
, offsetof(SessionStatusInfo
, leader
) },
443 { "Remote", "b", NULL
, offsetof(SessionStatusInfo
, remote
) },
444 { "Timestamp", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.realtime
) },
445 { "TimestampMonotonic", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.monotonic
) },
446 { "User", "(uo)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, uid
) },
447 { "Seat", "(so)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, seat
) },
451 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
452 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
453 char since1
[FORMAT_TIMESTAMP_RELATIVE_MAX
];
454 char since2
[FORMAT_TIMESTAMP_MAX
];
456 SessionStatusInfo i
= {};
459 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
461 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
468 printf("%s - ", strna(i
.id
));
471 printf("%s (%"PRIu32
")\n", i
.name
, i
.uid
);
473 printf("%"PRIu32
"\n", i
.uid
);
475 s1
= format_timestamp_relative(since1
, sizeof(since1
), i
.timestamp
.realtime
);
476 s2
= format_timestamp(since2
, sizeof(since2
), i
.timestamp
.realtime
);
479 printf("\t Since: %s; %s\n", s2
, s1
);
481 printf("\t Since: %s\n", s2
);
484 _cleanup_free_
char *t
= NULL
;
486 printf("\t Leader: %"PRIu32
, i
.leader
);
488 (void) get_process_comm(i
.leader
, &t
);
495 if (!isempty(i
.seat
)) {
496 printf("\t Seat: %s", i
.seat
);
499 printf("; vc%u", i
.vtnr
);
505 printf("\t TTY: %s\n", i
.tty
);
507 printf("\t Display: %s\n", i
.display
);
509 if (i
.remote_host
&& i
.remote_user
)
510 printf("\t Remote: %s@%s\n", i
.remote_user
, i
.remote_host
);
511 else if (i
.remote_host
)
512 printf("\t Remote: %s\n", i
.remote_host
);
513 else if (i
.remote_user
)
514 printf("\t Remote: user %s\n", i
.remote_user
);
516 printf("\t Remote: Yes\n");
519 printf("\t Service: %s", i
.service
);
522 printf("; type %s", i
.type
);
525 printf("; class %s", i
.class);
529 printf("\t Type: %s", i
.type
);
532 printf("; class %s", i
.class);
536 printf("\t Class: %s\n", i
.class);
538 if (!isempty(i
.desktop
))
539 printf("\t Desktop: %s\n", i
.desktop
);
542 printf("\t State: %s\n", i
.state
);
545 printf("\t Unit: %s\n", i
.scope
);
546 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Scope", i
.scope
, i
.leader
);
548 if (arg_transport
== BUS_TRANSPORT_LOCAL
)
549 show_journal_by_unit(
555 i
.timestamp
.monotonic
,
558 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
559 SD_JOURNAL_LOCAL_ONLY
,
567 static int print_user_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
569 static const struct bus_properties_map map
[] = {
570 { "Name", "s", NULL
, offsetof(UserStatusInfo
, name
) },
571 { "Linger", "b", NULL
, offsetof(UserStatusInfo
, linger
) },
572 { "Slice", "s", NULL
, offsetof(UserStatusInfo
, slice
) },
573 { "State", "s", NULL
, offsetof(UserStatusInfo
, state
) },
574 { "UID", "u", NULL
, offsetof(UserStatusInfo
, uid
) },
575 { "Timestamp", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.realtime
) },
576 { "TimestampMonotonic", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.monotonic
) },
577 { "Display", "(so)", prop_map_first_of_struct
, offsetof(UserStatusInfo
, display
) },
578 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(UserStatusInfo
, sessions
) },
582 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
583 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
584 char since1
[FORMAT_TIMESTAMP_RELATIVE_MAX
];
585 char since2
[FORMAT_TIMESTAMP_MAX
];
587 _cleanup_(user_status_info_clear
) UserStatusInfo i
= {};
590 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
592 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
600 printf("%s (%"PRIu32
")\n", i
.name
, i
.uid
);
602 printf("%"PRIu32
"\n", i
.uid
);
604 s1
= format_timestamp_relative(since1
, sizeof(since1
), i
.timestamp
.realtime
);
605 s2
= format_timestamp(since2
, sizeof(since2
), i
.timestamp
.realtime
);
608 printf("\t Since: %s; %s\n", s2
, s1
);
610 printf("\t Since: %s\n", s2
);
612 if (!isempty(i
.state
))
613 printf("\t State: %s\n", i
.state
);
615 if (!strv_isempty(i
.sessions
)) {
617 printf("\tSessions:");
619 STRV_FOREACH(l
, i
.sessions
)
621 streq_ptr(*l
, i
.display
) ? "*" : "",
627 printf("\t Linger: %s\n", yes_no(i
.linger
));
630 printf("\t Unit: %s\n", i
.slice
);
631 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Slice", i
.slice
, 0);
633 show_journal_by_unit(
639 i
.timestamp
.monotonic
,
642 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
643 SD_JOURNAL_LOCAL_ONLY
,
651 static int print_seat_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
653 static const struct bus_properties_map map
[] = {
654 { "Id", "s", NULL
, offsetof(SeatStatusInfo
, id
) },
655 { "ActiveSession", "(so)", prop_map_first_of_struct
, offsetof(SeatStatusInfo
, active_session
) },
656 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(SeatStatusInfo
, sessions
) },
660 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
661 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
662 _cleanup_(seat_status_info_clear
) SeatStatusInfo i
= {};
665 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, 0, &error
, &m
, &i
);
667 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
674 printf("%s\n", strna(i
.id
));
676 if (!strv_isempty(i
.sessions
)) {
678 printf("\tSessions:");
680 STRV_FOREACH(l
, i
.sessions
) {
681 if (streq_ptr(*l
, i
.active_session
))
690 if (arg_transport
== BUS_TRANSPORT_LOCAL
) {
699 printf("\t Devices:\n");
701 show_sysfs(i
.id
, "\t\t ", c
, get_output_flags());
707 static int print_property(const char *name
, const char *expected_value
, sd_bus_message
*m
, BusPrintPropertyFlags flags
) {
709 const char *contents
;
715 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
721 case SD_BUS_TYPE_STRUCT
:
723 if (contents
[0] == SD_BUS_TYPE_STRING
&& STR_IN_SET(name
, "Display", "Seat", "ActiveSession")) {
726 r
= sd_bus_message_read(m
, "(so)", &s
, NULL
);
728 return bus_log_parse_error(r
);
730 bus_print_property_value(name
, expected_value
, flags
, s
);
734 } else if (contents
[0] == SD_BUS_TYPE_UINT32
&& streq(name
, "User")) {
737 r
= sd_bus_message_read(m
, "(uo)", &uid
, NULL
);
739 return bus_log_parse_error(r
);
741 if (!uid_is_valid(uid
))
742 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
743 "Invalid user ID: " UID_FMT
,
746 bus_print_property_valuef(name
, expected_value
, flags
, UID_FMT
, uid
);
751 case SD_BUS_TYPE_ARRAY
:
753 if (contents
[0] == SD_BUS_TYPE_STRUCT_BEGIN
&& streq(name
, "Sessions")) {
757 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_ARRAY
, "(so)");
759 return bus_log_parse_error(r
);
761 if (!FLAGS_SET(flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
))
764 while ((r
= sd_bus_message_read(m
, "(so)", &s
, NULL
)) > 0) {
765 printf("%s%s", space
? " " : "", s
);
769 if (space
|| !FLAGS_SET(flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
))
773 return bus_log_parse_error(r
);
775 r
= sd_bus_message_exit_container(m
);
777 return bus_log_parse_error(r
);
787 static int show_properties(sd_bus
*bus
, const char *path
, bool *new_line
) {
799 r
= bus_print_all_properties(
801 "org.freedesktop.login1",
808 return bus_log_parse_error(r
);
813 static int show_session(int argc
, char *argv
[], void *userdata
) {
814 bool properties
, new_line
= false;
815 sd_bus
*bus
= userdata
;
817 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
818 _cleanup_free_
char *path
= NULL
;
823 properties
= !strstr(argv
[0], "status");
825 (void) pager_open(arg_pager_flags
);
828 /* If no argument is specified inspect the manager itself */
830 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
832 return print_session_status_info(bus
, "/org/freedesktop/login1/session/auto", &new_line
);
835 for (int i
= 1; i
< argc
; i
++) {
836 r
= get_session_path(bus
, argv
[i
], &error
, &path
);
838 return log_error_errno(r
, "Failed to get session path: %s", bus_error_message(&error
, r
));
841 r
= show_properties(bus
, path
, &new_line
);
843 r
= print_session_status_info(bus
, path
, &new_line
);
852 static int show_user(int argc
, char *argv
[], void *userdata
) {
853 bool properties
, new_line
= false;
854 sd_bus
*bus
= userdata
;
860 properties
= !strstr(argv
[0], "status");
862 (void) pager_open(arg_pager_flags
);
865 /* If no argument is specified inspect the manager itself */
867 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
869 return print_user_status_info(bus
, "/org/freedesktop/login1/user/self", &new_line
);
872 for (int i
= 1; i
< argc
; i
++) {
873 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
874 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
875 const char *path
= NULL
;
878 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
, 0);
880 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
882 r
= sd_bus_call_method(
884 "org.freedesktop.login1",
885 "/org/freedesktop/login1",
886 "org.freedesktop.login1.Manager",
889 "u", (uint32_t) uid
);
891 return log_error_errno(r
, "Failed to get user: %s", bus_error_message(&error
, r
));
893 r
= sd_bus_message_read(reply
, "o", &path
);
895 return bus_log_parse_error(r
);
898 r
= show_properties(bus
, path
, &new_line
);
900 r
= print_user_status_info(bus
, path
, &new_line
);
909 static int show_seat(int argc
, char *argv
[], void *userdata
) {
910 bool properties
, new_line
= false;
911 sd_bus
*bus
= userdata
;
917 properties
= !strstr(argv
[0], "status");
919 (void) pager_open(arg_pager_flags
);
922 /* If no argument is specified inspect the manager itself */
924 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
926 return print_seat_status_info(bus
, "/org/freedesktop/login1/seat/auto", &new_line
);
929 for (int i
= 1; i
< argc
; i
++) {
930 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
931 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
932 const char *path
= NULL
;
934 r
= bus_call_method(bus
, bus_login_mgr
, "GetSeat", &error
, &reply
, "s", argv
[i
]);
936 return log_error_errno(r
, "Failed to get seat: %s", bus_error_message(&error
, r
));
938 r
= sd_bus_message_read(reply
, "o", &path
);
940 return bus_log_parse_error(r
);
943 r
= show_properties(bus
, path
, &new_line
);
945 r
= print_seat_status_info(bus
, path
, &new_line
);
954 static int activate(int argc
, char *argv
[], void *userdata
) {
955 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
956 sd_bus
*bus
= userdata
;
962 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
965 r
= sd_bus_call_method(
967 "org.freedesktop.login1",
968 "/org/freedesktop/login1/session/auto",
969 "org.freedesktop.login1.Session",
970 streq(argv
[0], "lock-session") ? "Lock" :
971 streq(argv
[0], "unlock-session") ? "Unlock" :
972 streq(argv
[0], "terminate-session") ? "Terminate" :
976 return log_error_errno(r
, "Failed to issue method call: %s", bus_error_message(&error
, r
));
981 for (int i
= 1; i
< argc
; i
++) {
986 streq(argv
[0], "lock-session") ? "LockSession" :
987 streq(argv
[0], "unlock-session") ? "UnlockSession" :
988 streq(argv
[0], "terminate-session") ? "TerminateSession" :
993 return log_error_errno(r
, "Failed to issue method call: %s", bus_error_message(&error
, r
));
999 static int kill_session(int argc
, char *argv
[], void *userdata
) {
1000 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1001 sd_bus
*bus
= userdata
;
1007 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1010 arg_kill_who
= "all";
1012 for (int i
= 1; i
< argc
; i
++) {
1014 r
= bus_call_method(
1019 "ssi", argv
[i
], arg_kill_who
, arg_signal
);
1021 return log_error_errno(r
, "Could not kill session: %s", bus_error_message(&error
, r
));
1027 static int enable_linger(int argc
, char *argv
[], void *userdata
) {
1028 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1029 sd_bus
*bus
= userdata
;
1030 char* short_argv
[3];
1037 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1039 b
= streq(argv
[0], "enable-linger");
1042 /* No argument? Let's use an empty user name,
1043 * then logind will use our user. */
1045 short_argv
[0] = argv
[0];
1046 short_argv
[1] = (char*) "";
1047 short_argv
[2] = NULL
;
1052 for (int i
= 1; i
< argc
; i
++) {
1055 if (isempty(argv
[i
]))
1058 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
, 0);
1060 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1063 r
= bus_call_method(
1068 "ubb", (uint32_t) uid
, b
, true);
1070 return log_error_errno(r
, "Could not enable linger: %s", bus_error_message(&error
, r
));
1076 static int terminate_user(int argc
, char *argv
[], void *userdata
) {
1077 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1078 sd_bus
*bus
= userdata
;
1084 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1086 for (int i
= 1; i
< argc
; i
++) {
1089 if (isempty(argv
[i
]))
1092 const char *u
= argv
[i
];
1094 r
= get_user_creds(&u
, &uid
, NULL
, NULL
, NULL
, 0);
1096 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1099 r
= bus_call_method(bus
, bus_login_mgr
, "TerminateUser", &error
, NULL
, "u", (uint32_t) uid
);
1101 return log_error_errno(r
, "Could not terminate user: %s", bus_error_message(&error
, r
));
1107 static int kill_user(int argc
, char *argv
[], void *userdata
) {
1108 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1109 sd_bus
*bus
= userdata
;
1115 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1118 arg_kill_who
= "all";
1120 for (int i
= 1; i
< argc
; i
++) {
1123 if (isempty(argv
[i
]))
1126 const char *u
= argv
[i
];
1128 r
= get_user_creds(&u
, &uid
, NULL
, NULL
, NULL
, 0);
1130 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1133 r
= bus_call_method(
1138 "ui", (uint32_t) uid
, arg_signal
);
1140 return log_error_errno(r
, "Could not kill user: %s", bus_error_message(&error
, r
));
1146 static int attach(int argc
, char *argv
[], void *userdata
) {
1147 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1148 sd_bus
*bus
= userdata
;
1154 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1156 for (int i
= 2; i
< argc
; i
++) {
1158 r
= bus_call_method(
1163 "ssb", argv
[1], argv
[i
], true);
1165 return log_error_errno(r
, "Could not attach device: %s", bus_error_message(&error
, r
));
1171 static int flush_devices(int argc
, char *argv
[], void *userdata
) {
1172 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1173 sd_bus
*bus
= userdata
;
1179 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1181 r
= bus_call_method(bus
, bus_login_mgr
, "FlushDevices", &error
, NULL
, "b", true);
1183 return log_error_errno(r
, "Could not flush devices: %s", bus_error_message(&error
, r
));
1188 static int lock_sessions(int argc
, char *argv
[], void *userdata
) {
1189 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1190 sd_bus
*bus
= userdata
;
1196 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1198 r
= bus_call_method(
1201 streq(argv
[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
1205 return log_error_errno(r
, "Could not lock sessions: %s", bus_error_message(&error
, r
));
1210 static int terminate_seat(int argc
, char *argv
[], void *userdata
) {
1211 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1212 sd_bus
*bus
= userdata
;
1218 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1220 for (int i
= 1; i
< argc
; i
++) {
1222 r
= bus_call_method(bus
, bus_login_mgr
, "TerminateSeat", &error
, NULL
, "s", argv
[i
]);
1224 return log_error_errno(r
, "Could not terminate seat: %s", bus_error_message(&error
, r
));
1230 static int help(int argc
, char *argv
[], void *userdata
) {
1231 _cleanup_free_
char *link
= NULL
;
1234 (void) pager_open(arg_pager_flags
);
1236 r
= terminal_urlify_man("loginctl", "1", &link
);
1240 printf("%s [OPTIONS...] COMMAND ...\n\n"
1241 "%sSend control commands to or query the login manager.%s\n"
1242 "\nSession Commands:\n"
1243 " list-sessions List sessions\n"
1244 " session-status [ID...] Show session status\n"
1245 " show-session [ID...] Show properties of sessions or the manager\n"
1246 " activate [ID] Activate a session\n"
1247 " lock-session [ID...] Screen lock one or more sessions\n"
1248 " unlock-session [ID...] Screen unlock one or more sessions\n"
1249 " lock-sessions Screen lock all current sessions\n"
1250 " unlock-sessions Screen unlock all current sessions\n"
1251 " terminate-session ID... Terminate one or more sessions\n"
1252 " kill-session ID... Send signal to processes of a session\n"
1253 "\nUser Commands:\n"
1254 " list-users List users\n"
1255 " user-status [USER...] Show user status\n"
1256 " show-user [USER...] Show properties of users or the manager\n"
1257 " enable-linger [USER...] Enable linger state of one or more users\n"
1258 " disable-linger [USER...] Disable linger state of one or more users\n"
1259 " terminate-user USER... Terminate all sessions of one or more users\n"
1260 " kill-user USER... Send signal to processes of a user\n"
1261 "\nSeat Commands:\n"
1262 " list-seats List seats\n"
1263 " seat-status [NAME...] Show seat status\n"
1264 " show-seat [NAME...] Show properties of seats or the manager\n"
1265 " attach NAME DEVICE... Attach one or more devices to a seat\n"
1266 " flush-devices Flush all device associations\n"
1267 " terminate-seat NAME... Terminate all sessions on one or more seats\n"
1269 " -h --help Show this help\n"
1270 " --version Show package version\n"
1271 " --no-pager Do not pipe output into a pager\n"
1272 " --no-legend Do not show the headers and footers\n"
1273 " --no-ask-password Don't prompt for password\n"
1274 " -H --host=[USER@]HOST Operate on remote host\n"
1275 " -M --machine=CONTAINER Operate on local container\n"
1276 " -p --property=NAME Show only properties by this name\n"
1277 " -P NAME Equivalent to --value --property=NAME\n"
1278 " -a --all Show all properties, including empty ones\n"
1279 " --value When showing properties, only print the value\n"
1280 " -l --full Do not ellipsize output\n"
1281 " --kill-who=WHO Who to send signal to\n"
1282 " -s --signal=SIGNAL Which signal to send\n"
1283 " -n --lines=INTEGER Number of journal entries to show\n"
1284 " -o --output=STRING Change journal output mode (short, short-precise,\n"
1285 " short-iso, short-iso-precise, short-full,\n"
1286 " short-monotonic, short-unix, verbose, export,\n"
1287 " json, json-pretty, json-sse, json-seq, cat,\n"
1289 "\nSee the %s for details.\n",
1290 program_invocation_short_name
,
1298 static int parse_argv(int argc
, char *argv
[]) {
1300 ARG_VERSION
= 0x100,
1305 ARG_NO_ASK_PASSWORD
,
1308 static const struct option options
[] = {
1309 { "help", no_argument
, NULL
, 'h' },
1310 { "version", no_argument
, NULL
, ARG_VERSION
},
1311 { "property", required_argument
, NULL
, 'p' },
1312 { "all", no_argument
, NULL
, 'a' },
1313 { "value", no_argument
, NULL
, ARG_VALUE
},
1314 { "full", no_argument
, NULL
, 'l' },
1315 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
1316 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
1317 { "kill-who", required_argument
, NULL
, ARG_KILL_WHO
},
1318 { "signal", required_argument
, NULL
, 's' },
1319 { "host", required_argument
, NULL
, 'H' },
1320 { "machine", required_argument
, NULL
, 'M' },
1321 { "no-ask-password", no_argument
, NULL
, ARG_NO_ASK_PASSWORD
},
1322 { "lines", required_argument
, NULL
, 'n' },
1323 { "output", required_argument
, NULL
, 'o' },
1332 while ((c
= getopt_long(argc
, argv
, "hp:P:als:H:M:n:o:", options
, NULL
)) >= 0)
1337 return help(0, NULL
, NULL
);
1343 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
, true);
1347 r
= strv_extend(&arg_property
, optarg
);
1351 /* If the user asked for a particular
1352 * property, show it to them, even if it is
1354 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_SHOW_EMPTY
, true);
1359 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_SHOW_EMPTY
, true);
1363 SET_FLAG(arg_print_flags
, BUS_PRINT_PROPERTY_ONLY_VALUE
, true);
1371 if (safe_atou(optarg
, &arg_lines
) < 0)
1372 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1373 "Failed to parse lines '%s'", optarg
);
1377 if (streq(optarg
, "help")) {
1378 DUMP_STRING_TABLE(output_mode
, OutputMode
, _OUTPUT_MODE_MAX
);
1382 arg_output
= output_mode_from_string(optarg
);
1384 return log_error_errno(arg_output
, "Unknown output '%s'.", optarg
);
1386 if (OUTPUT_MODE_IS_JSON(arg_output
))
1392 arg_pager_flags
|= PAGER_DISABLE
;
1399 case ARG_NO_ASK_PASSWORD
:
1400 arg_ask_password
= false;
1404 arg_kill_who
= optarg
;
1408 r
= parse_signal_argument(optarg
, &arg_signal
);
1414 arg_transport
= BUS_TRANSPORT_REMOTE
;
1419 arg_transport
= BUS_TRANSPORT_MACHINE
;
1427 assert_not_reached("Unhandled option");
1433 static int loginctl_main(int argc
, char *argv
[], sd_bus
*bus
) {
1434 static const Verb verbs
[] = {
1435 { "help", VERB_ANY
, VERB_ANY
, 0, help
},
1436 { "list-sessions", VERB_ANY
, 1, VERB_DEFAULT
, list_sessions
},
1437 { "session-status", VERB_ANY
, VERB_ANY
, 0, show_session
},
1438 { "show-session", VERB_ANY
, VERB_ANY
, 0, show_session
},
1439 { "activate", VERB_ANY
, 2, 0, activate
},
1440 { "lock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1441 { "unlock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1442 { "lock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1443 { "unlock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1444 { "terminate-session", 2, VERB_ANY
, 0, activate
},
1445 { "kill-session", 2, VERB_ANY
, 0, kill_session
},
1446 { "list-users", VERB_ANY
, 1, 0, list_users
},
1447 { "user-status", VERB_ANY
, VERB_ANY
, 0, show_user
},
1448 { "show-user", VERB_ANY
, VERB_ANY
, 0, show_user
},
1449 { "enable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1450 { "disable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1451 { "terminate-user", 2, VERB_ANY
, 0, terminate_user
},
1452 { "kill-user", 2, VERB_ANY
, 0, kill_user
},
1453 { "list-seats", VERB_ANY
, 1, 0, list_seats
},
1454 { "seat-status", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1455 { "show-seat", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1456 { "attach", 3, VERB_ANY
, 0, attach
},
1457 { "flush-devices", VERB_ANY
, 1, 0, flush_devices
},
1458 { "terminate-seat", 2, VERB_ANY
, 0, terminate_seat
},
1462 return dispatch_verb(argc
, argv
, verbs
, bus
);
1465 static int run(int argc
, char *argv
[]) {
1466 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
1469 setlocale(LC_ALL
, "");
1472 /* The journal merging logic potentially needs a lot of fds. */
1473 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE
);
1477 r
= parse_argv(argc
, argv
);
1481 r
= bus_connect_transport(arg_transport
, arg_host
, false, &bus
);
1483 return bus_log_connect_error(r
);
1485 (void) sd_bus_set_allow_interactive_authorization(bus
, arg_ask_password
);
1487 return loginctl_main(argc
, argv
, bus
);
1490 DEFINE_MAIN_FUNCTION(run
);