1 /* SPDX-License-Identifier: LGPL-2.1+ */
11 #include "alloc-util.h"
12 #include "bus-error.h"
13 #include "bus-unit-util.h"
15 #include "cgroup-show.h"
16 #include "cgroup-util.h"
17 #include "format-table.h"
19 #include "logs-show.h"
22 #include "parse-util.h"
23 #include "process-util.h"
25 #include "signal-util.h"
26 #include "spawn-polkit-agent.h"
27 #include "string-table.h"
29 #include "sysfs-show.h"
30 #include "terminal-util.h"
31 #include "unit-name.h"
32 #include "user-util.h"
36 static char **arg_property
= NULL
;
37 static bool arg_all
= false;
38 static bool arg_value
= false;
39 static bool arg_full
= false;
40 static bool arg_no_pager
= false;
41 static bool arg_legend
= true;
42 static const char *arg_kill_who
= NULL
;
43 static int arg_signal
= SIGTERM
;
44 static BusTransport arg_transport
= BUS_TRANSPORT_LOCAL
;
45 static char *arg_host
= NULL
;
46 static bool arg_ask_password
= true;
47 static unsigned arg_lines
= 10;
48 static OutputMode arg_output
= OUTPUT_SHORT
;
50 static OutputFlags
get_output_flags(void) {
53 arg_all
* OUTPUT_SHOW_ALL
|
54 (arg_full
|| !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH
|
55 colors_enabled() * OUTPUT_COLOR
;
58 static int get_session_path(sd_bus
*bus
, const char *session_id
, sd_bus_error
*error
, char **path
) {
59 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
63 r
= sd_bus_call_method(
65 "org.freedesktop.login1",
66 "/org/freedesktop/login1",
67 "org.freedesktop.login1.Manager",
74 r
= sd_bus_message_read(reply
, "o", &ans
);
86 static int show_table(Table
*table
, const char *word
) {
92 if (table_get_rows(table
) > 1) {
93 r
= table_set_sort(table
, (size_t) 0, (size_t) -1);
95 return log_error_errno(r
, "Failed to sort table: %m");
97 table_set_header(table
, arg_legend
);
99 r
= table_print(table
, NULL
);
101 return log_error_errno(r
, "Failed to show table: %m");
105 if (table_get_rows(table
) > 1)
106 printf("\n%zu %s listed.\n", table_get_rows(table
) - 1, word
);
108 printf("No %s.\n", word
);
114 static int list_sessions(int argc
, char *argv
[], void *userdata
) {
115 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
116 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
117 _cleanup_(table_unrefp
) Table
*table
= NULL
;
118 sd_bus
*bus
= userdata
;
124 (void) pager_open(arg_no_pager
, false);
126 r
= sd_bus_call_method(
128 "org.freedesktop.login1",
129 "/org/freedesktop/login1",
130 "org.freedesktop.login1.Manager",
135 return log_error_errno(r
, "Failed to list sessions: %s", bus_error_message(&error
, r
));
137 r
= sd_bus_message_enter_container(reply
, 'a', "(susso)");
139 return bus_log_parse_error(r
);
141 table
= table_new("SESSION", "UID", "USER", "SEAT", "TTY");
145 /* Right-align the first two fields (since they are numeric) */
146 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
147 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(1), 100);
150 _cleanup_(sd_bus_error_free
) sd_bus_error error_tty
= SD_BUS_ERROR_NULL
;
151 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply_tty
= NULL
;
152 const char *id
, *user
, *seat
, *object
, *tty
= NULL
;
155 r
= sd_bus_message_read(reply
, "(susso)", &id
, &uid
, &user
, &seat
, &object
);
157 return bus_log_parse_error(r
);
161 r
= sd_bus_get_property(
163 "org.freedesktop.login1",
165 "org.freedesktop.login1.Session",
171 log_warning_errno(r
, "Failed to get TTY for session %s: %s", id
, bus_error_message(&error_tty
, r
));
173 r
= sd_bus_message_read(reply_tty
, "s", &tty
);
175 return bus_log_parse_error(r
);
178 r
= table_add_many(table
,
183 TABLE_STRING
, strna(tty
));
185 return log_error_errno(r
, "Failed to add row to table: %m");
188 r
= sd_bus_message_exit_container(reply
);
190 return bus_log_parse_error(r
);
192 return show_table(table
, "sessions");
195 static int list_users(int argc
, char *argv
[], void *userdata
) {
196 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
197 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
198 _cleanup_(table_unrefp
) Table
*table
= NULL
;
199 sd_bus
*bus
= userdata
;
205 (void) pager_open(arg_no_pager
, false);
207 r
= sd_bus_call_method(
209 "org.freedesktop.login1",
210 "/org/freedesktop/login1",
211 "org.freedesktop.login1.Manager",
216 return log_error_errno(r
, "Failed to list users: %s", bus_error_message(&error
, r
));
218 r
= sd_bus_message_enter_container(reply
, 'a', "(uso)");
220 return bus_log_parse_error(r
);
222 table
= table_new("UID", "USER");
226 (void) table_set_align_percent(table
, TABLE_HEADER_CELL(0), 100);
232 r
= sd_bus_message_read(reply
, "(uso)", &uid
, &user
, NULL
);
234 return bus_log_parse_error(r
);
238 r
= table_add_many(table
,
242 return log_error_errno(r
, "Failed to add row to table: %m");
245 r
= sd_bus_message_exit_container(reply
);
247 return bus_log_parse_error(r
);
249 return show_table(table
, "users");
252 static int list_seats(int argc
, char *argv
[], void *userdata
) {
253 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
254 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
255 _cleanup_(table_unrefp
) Table
*table
= NULL
;
256 sd_bus
*bus
= userdata
;
262 (void) pager_open(arg_no_pager
, false);
264 r
= sd_bus_call_method(
266 "org.freedesktop.login1",
267 "/org/freedesktop/login1",
268 "org.freedesktop.login1.Manager",
273 return log_error_errno(r
, "Failed to list seats: %s", bus_error_message(&error
, r
));
275 r
= sd_bus_message_enter_container(reply
, 'a', "(so)");
277 return bus_log_parse_error(r
);
279 table
= table_new("SEAT");
286 r
= sd_bus_message_read(reply
, "(so)", &seat
, NULL
);
288 return bus_log_parse_error(r
);
292 r
= table_add_cell(table
, NULL
, TABLE_STRING
, seat
);
294 return log_error_errno(r
, "Failed to add row to table: %m");
297 r
= sd_bus_message_exit_container(reply
);
299 return bus_log_parse_error(r
);
301 return show_table(table
, "seats");
304 static int show_unit_cgroup(sd_bus
*bus
, const char *interface
, const char *unit
, pid_t leader
) {
305 _cleanup_free_
char *cgroup
= NULL
;
306 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
313 r
= show_cgroup_get_unit_path_and_warn(bus
, unit
, &cgroup
);
326 r
= unit_show_processes(bus
, unit
, cgroup
, "\t\t ", c
, get_output_flags(), &error
);
329 if (arg_transport
== BUS_TRANSPORT_REMOTE
)
332 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
334 if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER
, cgroup
) != 0 && leader
<= 0)
337 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER
, cgroup
, "\t\t ", c
, &leader
, leader
> 0, get_output_flags());
339 return log_error_errno(r
, "Failed to dump process list: %s", bus_error_message(&error
, r
));
344 typedef struct SessionStatusInfo
{
348 struct dual_timestamp timestamp
;
354 const char *remote_host
;
355 const char *remote_user
;
365 typedef struct UserStatusInfo
{
369 struct dual_timestamp timestamp
;
376 typedef struct SeatStatusInfo
{
378 const char *active_session
;
382 static void user_status_info_clear(UserStatusInfo
*info
) {
384 strv_free(info
->sessions
);
389 static void seat_status_info_clear(SeatStatusInfo
*info
) {
391 strv_free(info
->sessions
);
396 static int prop_map_first_of_struct(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
397 const char *contents
;
400 r
= sd_bus_message_peek_type(m
, NULL
, &contents
);
404 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_STRUCT
, contents
);
408 r
= sd_bus_message_read_basic(m
, contents
[0], userdata
);
412 r
= sd_bus_message_skip(m
, contents
+1);
416 r
= sd_bus_message_exit_container(m
);
423 static int prop_map_sessions_strv(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
430 r
= sd_bus_message_enter_container(m
, 'a', "(so)");
434 while ((r
= sd_bus_message_read(m
, "(so)", &name
, NULL
)) > 0) {
435 r
= strv_extend(userdata
, name
);
442 return sd_bus_message_exit_container(m
);
445 static int print_session_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
447 static const struct bus_properties_map map
[] = {
448 { "Id", "s", NULL
, offsetof(SessionStatusInfo
, id
) },
449 { "Name", "s", NULL
, offsetof(SessionStatusInfo
, name
) },
450 { "TTY", "s", NULL
, offsetof(SessionStatusInfo
, tty
) },
451 { "Display", "s", NULL
, offsetof(SessionStatusInfo
, display
) },
452 { "RemoteHost", "s", NULL
, offsetof(SessionStatusInfo
, remote_host
) },
453 { "RemoteUser", "s", NULL
, offsetof(SessionStatusInfo
, remote_user
) },
454 { "Service", "s", NULL
, offsetof(SessionStatusInfo
, service
) },
455 { "Desktop", "s", NULL
, offsetof(SessionStatusInfo
, desktop
) },
456 { "Type", "s", NULL
, offsetof(SessionStatusInfo
, type
) },
457 { "Class", "s", NULL
, offsetof(SessionStatusInfo
, class) },
458 { "Scope", "s", NULL
, offsetof(SessionStatusInfo
, scope
) },
459 { "State", "s", NULL
, offsetof(SessionStatusInfo
, state
) },
460 { "VTNr", "u", NULL
, offsetof(SessionStatusInfo
, vtnr
) },
461 { "Leader", "u", NULL
, offsetof(SessionStatusInfo
, leader
) },
462 { "Remote", "b", NULL
, offsetof(SessionStatusInfo
, remote
) },
463 { "Timestamp", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.realtime
) },
464 { "TimestampMonotonic", "t", NULL
, offsetof(SessionStatusInfo
, timestamp
.monotonic
) },
465 { "User", "(uo)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, uid
) },
466 { "Seat", "(so)", prop_map_first_of_struct
, offsetof(SessionStatusInfo
, seat
) },
470 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
471 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
472 char since1
[FORMAT_TIMESTAMP_RELATIVE_MAX
];
473 char since2
[FORMAT_TIMESTAMP_MAX
];
475 SessionStatusInfo i
= {};
478 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
480 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
487 printf("%s - ", strna(i
.id
));
490 printf("%s (%"PRIu32
")\n", i
.name
, i
.uid
);
492 printf("%"PRIu32
"\n", i
.uid
);
494 s1
= format_timestamp_relative(since1
, sizeof(since1
), i
.timestamp
.realtime
);
495 s2
= format_timestamp(since2
, sizeof(since2
), i
.timestamp
.realtime
);
498 printf("\t Since: %s; %s\n", s2
, s1
);
500 printf("\t Since: %s\n", s2
);
503 _cleanup_free_
char *t
= NULL
;
505 printf("\t Leader: %"PRIu32
, i
.leader
);
507 get_process_comm(i
.leader
, &t
);
514 if (!isempty(i
.seat
)) {
515 printf("\t Seat: %s", i
.seat
);
518 printf("; vc%u", i
.vtnr
);
524 printf("\t TTY: %s\n", i
.tty
);
526 printf("\t Display: %s\n", i
.display
);
528 if (i
.remote_host
&& i
.remote_user
)
529 printf("\t Remote: %s@%s\n", i
.remote_user
, i
.remote_host
);
530 else if (i
.remote_host
)
531 printf("\t Remote: %s\n", i
.remote_host
);
532 else if (i
.remote_user
)
533 printf("\t Remote: user %s\n", i
.remote_user
);
535 printf("\t Remote: Yes\n");
538 printf("\t Service: %s", i
.service
);
541 printf("; type %s", i
.type
);
544 printf("; class %s", i
.class);
548 printf("\t Type: %s", i
.type
);
551 printf("; class %s", i
.class);
555 printf("\t Class: %s\n", i
.class);
557 if (!isempty(i
.desktop
))
558 printf("\t Desktop: %s\n", i
.desktop
);
561 printf("\t State: %s\n", i
.state
);
564 printf("\t Unit: %s\n", i
.scope
);
565 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Scope", i
.scope
, i
.leader
);
567 if (arg_transport
== BUS_TRANSPORT_LOCAL
) {
569 show_journal_by_unit(
574 i
.timestamp
.monotonic
,
577 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
578 SD_JOURNAL_LOCAL_ONLY
,
587 static int print_user_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
589 static const struct bus_properties_map map
[] = {
590 { "Name", "s", NULL
, offsetof(UserStatusInfo
, name
) },
591 { "Linger", "b", NULL
, offsetof(UserStatusInfo
, linger
) },
592 { "Slice", "s", NULL
, offsetof(UserStatusInfo
, slice
) },
593 { "State", "s", NULL
, offsetof(UserStatusInfo
, state
) },
594 { "UID", "u", NULL
, offsetof(UserStatusInfo
, uid
) },
595 { "Timestamp", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.realtime
) },
596 { "TimestampMonotonic", "t", NULL
, offsetof(UserStatusInfo
, timestamp
.monotonic
) },
597 { "Display", "(so)", prop_map_first_of_struct
, offsetof(UserStatusInfo
, display
) },
598 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(UserStatusInfo
, sessions
) },
602 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
603 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
604 char since1
[FORMAT_TIMESTAMP_RELATIVE_MAX
];
605 char since2
[FORMAT_TIMESTAMP_MAX
];
607 _cleanup_(user_status_info_clear
) UserStatusInfo i
= {};
610 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, BUS_MAP_BOOLEAN_AS_BOOL
, &error
, &m
, &i
);
612 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
620 printf("%s (%"PRIu32
")\n", i
.name
, i
.uid
);
622 printf("%"PRIu32
"\n", i
.uid
);
624 s1
= format_timestamp_relative(since1
, sizeof(since1
), i
.timestamp
.realtime
);
625 s2
= format_timestamp(since2
, sizeof(since2
), i
.timestamp
.realtime
);
628 printf("\t Since: %s; %s\n", s2
, s1
);
630 printf("\t Since: %s\n", s2
);
632 if (!isempty(i
.state
))
633 printf("\t State: %s\n", i
.state
);
635 if (!strv_isempty(i
.sessions
)) {
637 printf("\tSessions:");
639 STRV_FOREACH(l
, i
.sessions
)
641 streq_ptr(*l
, i
.display
) ? "*" : "",
647 printf("\t Linger: %s\n", yes_no(i
.linger
));
650 printf("\t Unit: %s\n", i
.slice
);
651 show_unit_cgroup(bus
, "org.freedesktop.systemd1.Slice", i
.slice
, 0);
653 show_journal_by_unit(
658 i
.timestamp
.monotonic
,
661 get_output_flags() | OUTPUT_BEGIN_NEWLINE
,
662 SD_JOURNAL_LOCAL_ONLY
,
670 static int print_seat_status_info(sd_bus
*bus
, const char *path
, bool *new_line
) {
672 static const struct bus_properties_map map
[] = {
673 { "Id", "s", NULL
, offsetof(SeatStatusInfo
, id
) },
674 { "ActiveSession", "(so)", prop_map_first_of_struct
, offsetof(SeatStatusInfo
, active_session
) },
675 { "Sessions", "a(so)", prop_map_sessions_strv
, offsetof(SeatStatusInfo
, sessions
) },
679 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
680 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
681 _cleanup_(seat_status_info_clear
) SeatStatusInfo i
= {};
684 r
= bus_map_all_properties(bus
, "org.freedesktop.login1", path
, map
, 0, &error
, &m
, &i
);
686 return log_error_errno(r
, "Could not get properties: %s", bus_error_message(&error
, r
));
693 printf("%s\n", strna(i
.id
));
695 if (!strv_isempty(i
.sessions
)) {
697 printf("\tSessions:");
699 STRV_FOREACH(l
, i
.sessions
) {
700 if (streq_ptr(*l
, i
.active_session
))
709 if (arg_transport
== BUS_TRANSPORT_LOCAL
) {
718 printf("\t Devices:\n");
720 show_sysfs(i
.id
, "\t\t ", c
, get_output_flags());
726 #define property(name, fmt, ...) \
729 printf(fmt "\n", __VA_ARGS__); \
731 printf("%s=" fmt "\n", name, __VA_ARGS__); \
734 static int print_property(const char *name
, sd_bus_message
*m
, bool value
, bool all
) {
736 const char *contents
;
742 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
748 case SD_BUS_TYPE_STRUCT
:
750 if (contents
[0] == SD_BUS_TYPE_STRING
&& STR_IN_SET(name
, "Display", "Seat", "ActiveSession")) {
753 r
= sd_bus_message_read(m
, "(so)", &s
, NULL
);
755 return bus_log_parse_error(r
);
757 if (all
|| !isempty(s
))
758 property(name
, "%s", s
);
762 } else if (contents
[0] == SD_BUS_TYPE_UINT32
&& streq(name
, "User")) {
765 r
= sd_bus_message_read(m
, "(uo)", &uid
, NULL
);
767 return bus_log_parse_error(r
);
769 if (!uid_is_valid(uid
)) {
770 log_error("Invalid user ID: " UID_FMT
, uid
);
774 property(name
, UID_FMT
, uid
);
779 case SD_BUS_TYPE_ARRAY
:
781 if (contents
[0] == SD_BUS_TYPE_STRUCT_BEGIN
&& streq(name
, "Sessions")) {
785 r
= sd_bus_message_enter_container(m
, SD_BUS_TYPE_ARRAY
, "(so)");
787 return bus_log_parse_error(r
);
792 while ((r
= sd_bus_message_read(m
, "(so)", &s
, NULL
)) > 0) {
793 printf("%s%s", space
? " " : "", s
);
801 return bus_log_parse_error(r
);
803 r
= sd_bus_message_exit_container(m
);
805 return bus_log_parse_error(r
);
815 static int show_properties(sd_bus
*bus
, const char *path
, bool *new_line
) {
827 r
= bus_print_all_properties(bus
, "org.freedesktop.login1", path
, print_property
, arg_property
, arg_value
, arg_all
, NULL
);
829 return bus_log_parse_error(r
);
834 static int show_session(int argc
, char *argv
[], void *userdata
) {
835 bool properties
, new_line
= false;
836 sd_bus
*bus
= userdata
;
838 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
839 _cleanup_free_
char *path
= NULL
;
844 properties
= !strstr(argv
[0], "status");
846 (void) pager_open(arg_no_pager
, false);
849 const char *session
, *p
= "/org/freedesktop/login1/session/self";
852 /* If no argument is specified inspect the manager itself */
853 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
855 /* And in the pretty case, show data of the calling session */
856 session
= getenv("XDG_SESSION_ID");
858 r
= get_session_path(bus
, session
, &error
, &path
);
860 log_error("Failed to get session path: %s", bus_error_message(&error
, r
));
866 return print_session_status_info(bus
, p
, &new_line
);
869 for (i
= 1; i
< argc
; i
++) {
870 r
= get_session_path(bus
, argv
[i
], &error
, &path
);
872 log_error("Failed to get session path: %s", bus_error_message(&error
, r
));
877 r
= show_properties(bus
, path
, &new_line
);
879 r
= print_session_status_info(bus
, path
, &new_line
);
888 static int show_user(int argc
, char *argv
[], void *userdata
) {
889 bool properties
, new_line
= false;
890 sd_bus
*bus
= userdata
;
896 properties
= !strstr(argv
[0], "status");
898 (void) pager_open(arg_no_pager
, false);
901 /* If not argument is specified inspect the manager
904 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
906 return print_user_status_info(bus
, "/org/freedesktop/login1/user/self", &new_line
);
909 for (i
= 1; i
< argc
; i
++) {
910 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
911 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
912 const char *path
= NULL
;
915 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
);
917 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
919 r
= sd_bus_call_method(
921 "org.freedesktop.login1",
922 "/org/freedesktop/login1",
923 "org.freedesktop.login1.Manager",
926 "u", (uint32_t) uid
);
928 log_error("Failed to get user: %s", bus_error_message(&error
, r
));
932 r
= sd_bus_message_read(reply
, "o", &path
);
934 return bus_log_parse_error(r
);
937 r
= show_properties(bus
, path
, &new_line
);
939 r
= print_user_status_info(bus
, path
, &new_line
);
948 static int show_seat(int argc
, char *argv
[], void *userdata
) {
949 bool properties
, new_line
= false;
950 sd_bus
*bus
= userdata
;
956 properties
= !strstr(argv
[0], "status");
958 (void) pager_open(arg_no_pager
, false);
961 /* If not argument is specified inspect the manager
964 return show_properties(bus
, "/org/freedesktop/login1", &new_line
);
966 return print_seat_status_info(bus
, "/org/freedesktop/login1/seat/self", &new_line
);
969 for (i
= 1; i
< argc
; i
++) {
970 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
971 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
* reply
= NULL
;
972 const char *path
= NULL
;
974 r
= sd_bus_call_method(
976 "org.freedesktop.login1",
977 "/org/freedesktop/login1",
978 "org.freedesktop.login1.Manager",
983 log_error("Failed to get seat: %s", bus_error_message(&error
, r
));
987 r
= sd_bus_message_read(reply
, "o", &path
);
989 return bus_log_parse_error(r
);
992 r
= show_properties(bus
, path
, &new_line
);
994 r
= print_seat_status_info(bus
, path
, &new_line
);
1003 static int activate(int argc
, char *argv
[], void *userdata
) {
1004 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1005 sd_bus
*bus
= userdata
;
1006 char *short_argv
[3];
1012 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1015 /* No argument? Let's either use $XDG_SESSION_ID (if specified), or an empty
1016 * session name, in which case logind will try to guess our session. */
1018 short_argv
[0] = argv
[0];
1019 short_argv
[1] = getenv("XDG_SESSION_ID") ?: (char*) "";
1020 short_argv
[2] = NULL
;
1026 for (i
= 1; i
< argc
; i
++) {
1028 r
= sd_bus_call_method(
1030 "org.freedesktop.login1",
1031 "/org/freedesktop/login1",
1032 "org.freedesktop.login1.Manager",
1033 streq(argv
[0], "lock-session") ? "LockSession" :
1034 streq(argv
[0], "unlock-session") ? "UnlockSession" :
1035 streq(argv
[0], "terminate-session") ? "TerminateSession" :
1040 log_error("Failed to issue method call: %s", bus_error_message(&error
, -r
));
1048 static int kill_session(int argc
, char *argv
[], void *userdata
) {
1049 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1050 sd_bus
*bus
= userdata
;
1056 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1059 arg_kill_who
= "all";
1061 for (i
= 1; i
< argc
; i
++) {
1063 r
= sd_bus_call_method(
1065 "org.freedesktop.login1",
1066 "/org/freedesktop/login1",
1067 "org.freedesktop.login1.Manager",
1070 "ssi", argv
[i
], arg_kill_who
, arg_signal
);
1072 log_error("Could not kill session: %s", bus_error_message(&error
, -r
));
1080 static int enable_linger(int argc
, char *argv
[], void *userdata
) {
1081 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1082 sd_bus
*bus
= userdata
;
1083 char* short_argv
[3];
1090 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1092 b
= streq(argv
[0], "enable-linger");
1095 /* No argument? Let's use an empty user name,
1096 * then logind will use our user. */
1098 short_argv
[0] = argv
[0];
1099 short_argv
[1] = (char*) "";
1100 short_argv
[2] = NULL
;
1105 for (i
= 1; i
< argc
; i
++) {
1108 if (isempty(argv
[i
]))
1111 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
);
1113 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1116 r
= sd_bus_call_method(
1118 "org.freedesktop.login1",
1119 "/org/freedesktop/login1",
1120 "org.freedesktop.login1.Manager",
1123 "ubb", (uint32_t) uid
, b
, true);
1125 log_error("Could not enable linger: %s", bus_error_message(&error
, -r
));
1133 static int terminate_user(int argc
, char *argv
[], void *userdata
) {
1134 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1135 sd_bus
*bus
= userdata
;
1141 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1143 for (i
= 1; i
< argc
; i
++) {
1146 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
);
1148 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1150 r
= sd_bus_call_method(
1152 "org.freedesktop.login1",
1153 "/org/freedesktop/login1",
1154 "org.freedesktop.login1.Manager",
1157 "u", (uint32_t) uid
);
1159 log_error("Could not terminate user: %s", bus_error_message(&error
, -r
));
1167 static int kill_user(int argc
, char *argv
[], void *userdata
) {
1168 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1169 sd_bus
*bus
= userdata
;
1175 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1178 arg_kill_who
= "all";
1180 for (i
= 1; i
< argc
; i
++) {
1183 r
= get_user_creds((const char**) (argv
+i
), &uid
, NULL
, NULL
, NULL
);
1185 return log_error_errno(r
, "Failed to look up user %s: %m", argv
[i
]);
1187 r
= sd_bus_call_method(
1189 "org.freedesktop.login1",
1190 "/org/freedesktop/login1",
1191 "org.freedesktop.login1.Manager",
1194 "ui", (uint32_t) uid
, arg_signal
);
1196 log_error("Could not kill user: %s", bus_error_message(&error
, -r
));
1204 static int attach(int argc
, char *argv
[], void *userdata
) {
1205 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1206 sd_bus
*bus
= userdata
;
1212 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1214 for (i
= 2; i
< argc
; i
++) {
1216 r
= sd_bus_call_method(
1218 "org.freedesktop.login1",
1219 "/org/freedesktop/login1",
1220 "org.freedesktop.login1.Manager",
1223 "ssb", argv
[1], argv
[i
], true);
1226 log_error("Could not attach device: %s", bus_error_message(&error
, -r
));
1234 static int flush_devices(int argc
, char *argv
[], void *userdata
) {
1235 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1236 sd_bus
*bus
= userdata
;
1242 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1244 r
= sd_bus_call_method(
1246 "org.freedesktop.login1",
1247 "/org/freedesktop/login1",
1248 "org.freedesktop.login1.Manager",
1253 log_error("Could not flush devices: %s", bus_error_message(&error
, -r
));
1258 static int lock_sessions(int argc
, char *argv
[], void *userdata
) {
1259 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1260 sd_bus
*bus
= userdata
;
1266 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1268 r
= sd_bus_call_method(
1270 "org.freedesktop.login1",
1271 "/org/freedesktop/login1",
1272 "org.freedesktop.login1.Manager",
1273 streq(argv
[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
1277 log_error("Could not lock sessions: %s", bus_error_message(&error
, -r
));
1282 static int terminate_seat(int argc
, char *argv
[], void *userdata
) {
1283 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1284 sd_bus
*bus
= userdata
;
1290 polkit_agent_open_if_enabled(arg_transport
, arg_ask_password
);
1292 for (i
= 1; i
< argc
; i
++) {
1294 r
= sd_bus_call_method(
1296 "org.freedesktop.login1",
1297 "/org/freedesktop/login1",
1298 "org.freedesktop.login1.Manager",
1303 log_error("Could not terminate seat: %s", bus_error_message(&error
, -r
));
1311 static int help(int argc
, char *argv
[], void *userdata
) {
1313 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
1314 "Send control commands to or query the login manager.\n\n"
1315 " -h --help Show this help\n"
1316 " --version Show package version\n"
1317 " --no-pager Do not pipe output into a pager\n"
1318 " --no-legend Do not show the headers and footers\n"
1319 " --no-ask-password Don't prompt for password\n"
1320 " -H --host=[USER@]HOST Operate on remote host\n"
1321 " -M --machine=CONTAINER Operate on local container\n"
1322 " -p --property=NAME Show only properties by this name\n"
1323 " -a --all Show all properties, including empty ones\n"
1324 " --value When showing properties, only print the value\n"
1325 " -l --full Do not ellipsize output\n"
1326 " --kill-who=WHO Who to send signal to\n"
1327 " -s --signal=SIGNAL Which signal to send\n"
1328 " -n --lines=INTEGER Number of journal entries to show\n"
1329 " -o --output=STRING Change journal output mode (short, short-precise,\n"
1330 " short-iso, short-iso-precise, short-full,\n"
1331 " short-monotonic, short-unix, verbose, export,\n"
1332 " json, json-pretty, json-sse, cat)\n"
1333 "Session Commands:\n"
1334 " list-sessions List sessions\n"
1335 " session-status [ID...] Show session status\n"
1336 " show-session [ID...] Show properties of sessions or the manager\n"
1337 " activate [ID] Activate a session\n"
1338 " lock-session [ID...] Screen lock one or more sessions\n"
1339 " unlock-session [ID...] Screen unlock one or more sessions\n"
1340 " lock-sessions Screen lock all current sessions\n"
1341 " unlock-sessions Screen unlock all current sessions\n"
1342 " terminate-session ID... Terminate one or more sessions\n"
1343 " kill-session ID... Send signal to processes of a session\n\n"
1345 " list-users List users\n"
1346 " user-status [USER...] Show user status\n"
1347 " show-user [USER...] Show properties of users or the manager\n"
1348 " enable-linger [USER...] Enable linger state of one or more users\n"
1349 " disable-linger [USER...] Disable linger state of one or more users\n"
1350 " terminate-user USER... Terminate all sessions of one or more users\n"
1351 " kill-user USER... Send signal to processes of a user\n\n"
1353 " list-seats List seats\n"
1354 " seat-status [NAME...] Show seat status\n"
1355 " show-seat [NAME...] Show properties of seats or the manager\n"
1356 " attach NAME DEVICE... Attach one or more devices to a seat\n"
1357 " flush-devices Flush all device associations\n"
1358 " terminate-seat NAME... Terminate all sessions on one or more seats\n"
1359 , program_invocation_short_name
);
1364 static int parse_argv(int argc
, char *argv
[]) {
1367 ARG_VERSION
= 0x100,
1372 ARG_NO_ASK_PASSWORD
,
1375 static const struct option options
[] = {
1376 { "help", no_argument
, NULL
, 'h' },
1377 { "version", no_argument
, NULL
, ARG_VERSION
},
1378 { "property", required_argument
, NULL
, 'p' },
1379 { "all", no_argument
, NULL
, 'a' },
1380 { "value", no_argument
, NULL
, ARG_VALUE
},
1381 { "full", no_argument
, NULL
, 'l' },
1382 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
1383 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
1384 { "kill-who", required_argument
, NULL
, ARG_KILL_WHO
},
1385 { "signal", required_argument
, NULL
, 's' },
1386 { "host", required_argument
, NULL
, 'H' },
1387 { "machine", required_argument
, NULL
, 'M' },
1388 { "no-ask-password", no_argument
, NULL
, ARG_NO_ASK_PASSWORD
},
1389 { "lines", required_argument
, NULL
, 'n' },
1390 { "output", required_argument
, NULL
, 'o' },
1399 while ((c
= getopt_long(argc
, argv
, "hp:als:H:M:n:o:", options
, NULL
)) >= 0)
1404 help(0, NULL
, NULL
);
1411 r
= strv_extend(&arg_property
, optarg
);
1415 /* If the user asked for a particular
1416 * property, show it to him, even if it is
1435 if (safe_atou(optarg
, &arg_lines
) < 0) {
1436 log_error("Failed to parse lines '%s'", optarg
);
1442 if (streq(optarg
, "help")) {
1443 DUMP_STRING_TABLE(output_mode
, OutputMode
, _OUTPUT_MODE_MAX
);
1447 arg_output
= output_mode_from_string(optarg
);
1448 if (arg_output
< 0) {
1449 log_error("Unknown output '%s'.", optarg
);
1455 arg_no_pager
= true;
1462 case ARG_NO_ASK_PASSWORD
:
1463 arg_ask_password
= false;
1467 arg_kill_who
= optarg
;
1471 if (streq(optarg
, "help")) {
1472 DUMP_STRING_TABLE(signal
, int, _NSIG
);
1476 arg_signal
= signal_from_string(optarg
);
1477 if (arg_signal
< 0) {
1478 log_error("Failed to parse signal string %s.", optarg
);
1484 arg_transport
= BUS_TRANSPORT_REMOTE
;
1489 arg_transport
= BUS_TRANSPORT_MACHINE
;
1497 assert_not_reached("Unhandled option");
1503 static int loginctl_main(int argc
, char *argv
[], sd_bus
*bus
) {
1505 static const Verb verbs
[] = {
1506 { "help", VERB_ANY
, VERB_ANY
, 0, help
},
1507 { "list-sessions", VERB_ANY
, 1, VERB_DEFAULT
, list_sessions
},
1508 { "session-status", VERB_ANY
, VERB_ANY
, 0, show_session
},
1509 { "show-session", VERB_ANY
, VERB_ANY
, 0, show_session
},
1510 { "activate", VERB_ANY
, 2, 0, activate
},
1511 { "lock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1512 { "unlock-session", VERB_ANY
, VERB_ANY
, 0, activate
},
1513 { "lock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1514 { "unlock-sessions", VERB_ANY
, 1, 0, lock_sessions
},
1515 { "terminate-session", 2, VERB_ANY
, 0, activate
},
1516 { "kill-session", 2, VERB_ANY
, 0, kill_session
},
1517 { "list-users", VERB_ANY
, 1, 0, list_users
},
1518 { "user-status", VERB_ANY
, VERB_ANY
, 0, show_user
},
1519 { "show-user", VERB_ANY
, VERB_ANY
, 0, show_user
},
1520 { "enable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1521 { "disable-linger", VERB_ANY
, VERB_ANY
, 0, enable_linger
},
1522 { "terminate-user", 2, VERB_ANY
, 0, terminate_user
},
1523 { "kill-user", 2, VERB_ANY
, 0, kill_user
},
1524 { "list-seats", VERB_ANY
, 1, 0, list_seats
},
1525 { "seat-status", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1526 { "show-seat", VERB_ANY
, VERB_ANY
, 0, show_seat
},
1527 { "attach", 3, VERB_ANY
, 0, attach
},
1528 { "flush-devices", VERB_ANY
, 1, 0, flush_devices
},
1529 { "terminate-seat", 2, VERB_ANY
, 0, terminate_seat
},
1533 return dispatch_verb(argc
, argv
, verbs
, bus
);
1536 int main(int argc
, char *argv
[]) {
1540 setlocale(LC_ALL
, "");
1541 log_parse_environment();
1545 r
= parse_argv(argc
, argv
);
1549 r
= bus_connect_transport(arg_transport
, arg_host
, false, &bus
);
1551 log_error_errno(r
, "Failed to create bus connection: %m");
1555 sd_bus_set_allow_interactive_authorization(bus
, arg_ask_password
);
1557 r
= loginctl_main(argc
, argv
, bus
);
1560 /* make sure we terminate the bus connection first, and then close the
1561 * pager, see issue #3543 for the details. */
1562 sd_bus_flush_close_unref(bus
);
1564 polkit_agent_close();
1566 strv_free(arg_property
);
1568 return r
< 0 ? EXIT_FAILURE
: EXIT_SUCCESS
;