1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
7 Copyright 2013 Marc-Antoine Perennou
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/reboot.h>
24 #include <linux/reboot.h>
25 #include <sys/syscall.h>
32 #include <sys/ioctl.h>
36 #include <sys/socket.h>
39 #include <sys/prctl.h>
42 #include "sd-daemon.h"
43 #include "sd-shutdown.h"
50 #include "utmp-wtmp.h"
53 #include "path-util.h"
55 #include "cgroup-show.h"
56 #include "cgroup-util.h"
58 #include "path-lookup.h"
59 #include "conf-parser.h"
60 #include "exit-status.h"
62 #include "unit-name.h"
64 #include "spawn-ask-password-agent.h"
65 #include "spawn-polkit-agent.h"
67 #include "logs-show.h"
68 #include "socket-util.h"
72 #include "bus-message.h"
73 #include "bus-error.h"
74 #include "bus-errors.h"
76 static char **arg_types = NULL;
77 static char **arg_states = NULL;
78 static char **arg_properties = NULL;
79 static bool arg_all = false;
80 static bool original_stdout_is_tty;
81 static enum dependency {
87 } arg_dependency = DEPENDENCY_FORWARD;
88 static const char *arg_job_mode = "replace";
89 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
90 static bool arg_no_block = false;
91 static bool arg_no_legend = false;
92 static bool arg_no_pager = false;
93 static bool arg_no_wtmp = false;
94 static bool arg_no_wall = false;
95 static bool arg_no_reload = false;
96 static bool arg_show_types = false;
97 static bool arg_ignore_inhibitors = false;
98 static bool arg_dry = false;
99 static bool arg_quiet = false;
100 static bool arg_full = false;
101 static int arg_force = 0;
102 static bool arg_ask_password = true;
103 static bool arg_runtime = false;
104 static char **arg_wall = NULL;
105 static const char *arg_kill_who = NULL;
106 static int arg_signal = SIGTERM;
107 static const char *arg_root = NULL;
108 static usec_t arg_when = 0;
130 ACTION_CANCEL_SHUTDOWN,
132 } arg_action = ACTION_SYSTEMCTL;
133 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
134 static char *arg_host = NULL;
135 static unsigned arg_lines = 10;
136 static OutputMode arg_output = OUTPUT_SHORT;
137 static bool arg_plain = false;
138 static const struct {
142 { "start", "StartUnit" },
143 { "stop", "StopUnit" },
144 { "condstop", "StopUnit" },
145 { "reload", "ReloadUnit" },
146 { "restart", "RestartUnit" },
147 { "try-restart", "TryRestartUnit" },
148 { "condrestart", "TryRestartUnit" },
149 { "reload-or-restart", "ReloadOrRestartUnit" },
150 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
151 { "condreload", "ReloadOrTryRestartUnit" },
152 { "force-reload", "ReloadOrTryRestartUnit" }
155 static int daemon_reload(sd_bus *bus, char **args);
156 static int halt_now(enum action a);
158 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
160 static char** strv_skip_first(char **strv) {
161 if (strv_length(strv) > 0)
166 static void pager_open_if_enabled(void) {
174 static void ask_password_agent_open_if_enabled(void) {
176 /* Open the password agent as a child process if necessary */
178 if (!arg_ask_password)
181 if (arg_scope != UNIT_FILE_SYSTEM)
184 if (arg_transport != BUS_TRANSPORT_LOCAL)
187 ask_password_agent_open();
191 static void polkit_agent_open_if_enabled(void) {
193 /* Open the polkit agent as a child process if necessary */
195 if (!arg_ask_password)
198 if (arg_scope != UNIT_FILE_SYSTEM)
201 if (arg_transport != BUS_TRANSPORT_LOCAL)
208 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
211 if (!sd_bus_error_is_set(error))
214 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
215 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
216 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
217 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
218 return EXIT_NOPERMISSION;
220 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
221 return EXIT_NOTINSTALLED;
223 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
224 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
225 return EXIT_NOTIMPLEMENTED;
227 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
228 return EXIT_NOTCONFIGURED;
236 static void warn_wall(enum action a) {
237 static const char *table[_ACTION_MAX] = {
238 [ACTION_HALT] = "The system is going down for system halt NOW!",
239 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
240 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
241 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
242 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
243 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!",
244 [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!"
251 _cleanup_free_ char *p;
253 p = strv_join(arg_wall, " ");
268 utmp_wall(table[a], NULL);
271 static bool avoid_bus(void) {
273 if (running_in_chroot() > 0)
276 if (sd_booted() <= 0)
279 if (!isempty(arg_root))
282 if (arg_scope == UNIT_FILE_GLOBAL)
288 static int compare_unit_info(const void *a, const void *b) {
289 const UnitInfo *u = a, *v = b;
292 d1 = strrchr(u->id, '.');
293 d2 = strrchr(v->id, '.');
298 r = strcasecmp(d1, d2);
303 return strcasecmp(u->id, v->id);
306 static bool output_show_unit(const UnitInfo *u, char **patterns) {
309 if (!strv_isempty(arg_states))
311 strv_contains(arg_states, u->load_state) ||
312 strv_contains(arg_states, u->sub_state) ||
313 strv_contains(arg_states, u->active_state);
315 if (!strv_isempty(patterns)) {
318 STRV_FOREACH(pattern, patterns)
319 if (fnmatch(*pattern, u->id, FNM_NOESCAPE) == 0)
324 return (!arg_types || ((dot = strrchr(u->id, '.')) &&
325 strv_find(arg_types, dot+1))) &&
326 (arg_all || !(streq(u->active_state, "inactive")
327 || u->following[0]) || u->job_id > 0);
330 static void output_units_list(const UnitInfo *unit_infos, unsigned c) {
331 unsigned id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
333 unsigned n_shown = 0;
336 max_id_len = sizeof("UNIT")-1;
337 load_len = sizeof("LOAD")-1;
338 active_len = sizeof("ACTIVE")-1;
339 sub_len = sizeof("SUB")-1;
340 job_len = sizeof("JOB")-1;
343 for (u = unit_infos; u < unit_infos + c; u++) {
344 max_id_len = MAX(max_id_len, strlen(u->id));
345 load_len = MAX(load_len, strlen(u->load_state));
346 active_len = MAX(active_len, strlen(u->active_state));
347 sub_len = MAX(sub_len, strlen(u->sub_state));
349 if (u->job_id != 0) {
350 job_len = MAX(job_len, strlen(u->job_type));
355 if (!arg_full && original_stdout_is_tty) {
358 id_len = MIN(max_id_len, 25u);
359 basic_len = 5 + id_len + 5 + active_len + sub_len;
362 basic_len += job_len + 1;
364 if (basic_len < (unsigned) columns()) {
365 unsigned extra_len, incr;
366 extra_len = columns() - basic_len;
368 /* Either UNIT already got 25, or is fully satisfied.
369 * Grant up to 25 to DESC now. */
370 incr = MIN(extra_len, 25u);
374 /* split the remaining space between UNIT and DESC,
375 * but do not give UNIT more than it needs. */
377 incr = MIN(extra_len / 2, max_id_len - id_len);
379 desc_len += extra_len - incr;
385 for (u = unit_infos; u < unit_infos + c; u++) {
386 _cleanup_free_ char *e = NULL;
387 const char *on_loaded, *off_loaded, *on = "";
388 const char *on_active, *off_active, *off = "";
390 if (!n_shown && !arg_no_legend) {
391 printf("%-*s %-*s %-*s %-*s ",
394 active_len, "ACTIVE",
398 printf("%-*s ", job_len, "JOB");
400 if (!arg_full && arg_no_pager)
401 printf("%.*s\n", desc_len, "DESCRIPTION");
403 printf("%s\n", "DESCRIPTION");
408 if (streq(u->load_state, "error") ||
409 streq(u->load_state, "not-found")) {
410 on_loaded = on = ansi_highlight_red();
411 off_loaded = off = ansi_highlight_off();
413 on_loaded = off_loaded = "";
415 if (streq(u->active_state, "failed")) {
416 on_active = on = ansi_highlight_red();
417 off_active = off = ansi_highlight_off();
419 on_active = off_active = "";
421 e = arg_full ? NULL : ellipsize(u->id, id_len, 33);
423 printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
424 on, id_len, e ? e : u->id, off,
425 on_loaded, load_len, u->load_state, off_loaded,
426 on_active, active_len, u->active_state,
427 sub_len, u->sub_state, off_active,
428 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
431 printf("%.*s\n", desc_len, u->description);
433 printf("%s\n", u->description);
436 if (!arg_no_legend) {
437 const char *on, *off;
440 puts("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
441 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
442 "SUB = The low-level unit activation state, values depend on unit type.");
443 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
444 on = ansi_highlight();
445 off = ansi_highlight_off();
447 on = ansi_highlight_red();
448 off = ansi_highlight_off();
452 printf("%s%u loaded units listed.%s\n"
453 "To show all installed unit files use 'systemctl list-unit-files'.\n",
456 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
457 "To show all installed unit files use 'systemctl list-unit-files'.\n",
462 static int get_unit_list(
464 sd_bus_message **_reply,
465 UnitInfo **_unit_infos,
468 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
469 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
470 _cleanup_free_ UnitInfo *unit_infos = NULL;
479 r = sd_bus_call_method(
481 "org.freedesktop.systemd1",
482 "/org/freedesktop/systemd1",
483 "org.freedesktop.systemd1.Manager",
489 log_error("Failed to list units: %s", bus_error_message(&error, r));
493 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
495 return bus_log_parse_error(r);
497 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
498 if (!output_show_unit(&u, patterns))
501 if (!GREEDY_REALLOC(unit_infos, size, c+1))
507 return bus_log_parse_error(r);
509 r = sd_bus_message_exit_container(reply);
511 return bus_log_parse_error(r);
516 *_unit_infos = unit_infos;
522 static int list_units(sd_bus *bus, char **args) {
523 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
524 _cleanup_free_ UnitInfo *unit_infos = NULL;
527 pager_open_if_enabled();
529 r = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
533 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
534 output_units_list(unit_infos, r);
539 static int get_triggered_units(
544 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
547 r = sd_bus_get_property_strv(
549 "org.freedesktop.systemd1",
551 "org.freedesktop.systemd1.Unit",
557 log_error("Failed to determine triggers: %s", bus_error_message(&error, r));
562 static int get_listening(
564 const char* unit_path,
567 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
568 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
569 const char *type, *path;
572 r = sd_bus_get_property(
574 "org.freedesktop.systemd1",
576 "org.freedesktop.systemd1.Socket",
582 log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r));
586 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
588 return bus_log_parse_error(r);
590 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
592 r = strv_extend(listening, type);
596 r = strv_extend(listening, path);
603 return bus_log_parse_error(r);
605 r = sd_bus_message_exit_container(reply);
607 return bus_log_parse_error(r);
618 /* Note: triggered is a list here, although it almost certainly
619 * will always be one unit. Nevertheless, dbus API allows for multiple
620 * values, so let's follow that.*/
623 /* The strv above is shared. free is set only in the first one. */
627 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
633 o = strcmp(a->path, b->path);
635 o = strcmp(a->type, b->type);
640 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
641 struct socket_info *s;
642 unsigned pathlen = sizeof("LISTEN") - 1,
643 typelen = (sizeof("TYPE") - 1) * arg_show_types,
644 socklen = sizeof("UNIT") - 1,
645 servlen = sizeof("ACTIVATES") - 1;
646 const char *on, *off;
648 for (s = socket_infos; s < socket_infos + cs; s++) {
652 socklen = MAX(socklen, strlen(s->id));
654 typelen = MAX(typelen, strlen(s->type));
655 pathlen = MAX(pathlen, strlen(s->path));
657 STRV_FOREACH(a, s->triggered)
658 tmp += strlen(*a) + 2*(a != s->triggered);
659 servlen = MAX(servlen, tmp);
664 printf("%-*s %-*.*s%-*s %s\n",
666 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
670 for (s = socket_infos; s < socket_infos + cs; s++) {
674 printf("%-*s %-*s %-*s",
675 pathlen, s->path, typelen, s->type, socklen, s->id);
678 pathlen, s->path, socklen, s->id);
679 STRV_FOREACH(a, s->triggered)
681 a == s->triggered ? "" : ",", *a);
685 on = ansi_highlight();
686 off = ansi_highlight_off();
690 on = ansi_highlight_red();
691 off = ansi_highlight_off();
694 if (!arg_no_legend) {
695 printf("%s%u sockets listed.%s\n", on, cs, off);
697 printf("Pass --all to see loaded but inactive sockets, too.\n");
703 static int list_sockets(sd_bus *bus, char **args) {
704 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
705 _cleanup_free_ UnitInfo *unit_infos = NULL;
706 _cleanup_free_ struct socket_info *socket_infos = NULL;
708 struct socket_info *s;
713 pager_open_if_enabled();
715 n = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
719 for (u = unit_infos; u < unit_infos + n; u++) {
720 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
723 if (!endswith(u->id, ".socket"))
726 r = get_triggered_units(bus, u->unit_path, &triggered);
730 c = get_listening(bus, u->unit_path, &listening);
736 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
741 for (i = 0; i < c; i++)
742 socket_infos[cs + i] = (struct socket_info) {
744 .type = listening[i*2],
745 .path = listening[i*2 + 1],
746 .triggered = triggered,
747 .own_triggered = i==0,
750 /* from this point on we will cleanup those socket_infos */
753 listening = triggered = NULL; /* avoid cleanup */
756 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
757 (__compar_fn_t) socket_info_compare);
759 output_sockets_list(socket_infos, cs);
762 assert(cs == 0 || socket_infos);
763 for (s = socket_infos; s < socket_infos + cs; s++) {
766 if (s->own_triggered)
767 strv_free(s->triggered);
773 static int get_next_elapse(
776 dual_timestamp *next) {
778 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
786 r = sd_bus_get_property_trivial(
788 "org.freedesktop.systemd1",
790 "org.freedesktop.systemd1.Timer",
791 "NextElapseUSecMonotonic",
796 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
800 r = sd_bus_get_property_trivial(
802 "org.freedesktop.systemd1",
804 "org.freedesktop.systemd1.Timer",
805 "NextElapseUSecRealtime",
810 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
824 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
828 if (a->next_elapse < b->next_elapse)
830 if (a->next_elapse > b->next_elapse)
833 return strcmp(a->id, b->id);
836 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
837 struct timer_info *t;
839 nextlen = sizeof("NEXT") - 1,
840 leftlen = sizeof("LEFT") - 1,
841 unitlen = sizeof("UNIT") - 1,
842 activatelen = sizeof("ACTIVATES") - 1;
844 const char *on, *off;
846 assert(timer_infos || n == 0);
848 for (t = timer_infos; t < timer_infos + n; t++) {
852 if (t->next_elapse > 0) {
853 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
855 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
856 nextlen = MAX(nextlen, strlen(tstamp) + 1);
858 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
859 leftlen = MAX(leftlen, strlen(trel));
862 unitlen = MAX(unitlen, strlen(t->id));
864 STRV_FOREACH(a, t->triggered)
865 ul += strlen(*a) + 2*(a != t->triggered);
866 activatelen = MAX(activatelen, ul);
871 printf("%-*s %-*s %-*s %s\n",
877 for (t = timer_infos; t < timer_infos + n; t++) {
878 char tstamp[FORMAT_TIMESTAMP_MAX] = "n/a", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
881 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
882 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
884 printf("%-*s %-*s %-*s",
885 nextlen, tstamp, leftlen, trel, unitlen, t->id);
887 STRV_FOREACH(a, t->triggered)
889 a == t->triggered ? "" : ",", *a);
893 on = ansi_highlight();
894 off = ansi_highlight_off();
898 on = ansi_highlight_red();
899 off = ansi_highlight_off();
902 if (!arg_no_legend) {
903 printf("%s%u timers listed.%s\n", on, n, off);
905 printf("Pass --all to see loaded but inactive timers, too.\n");
911 static int list_timers(sd_bus *bus, char **args) {
913 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
914 _cleanup_free_ struct timer_info *timer_infos = NULL;
915 _cleanup_free_ UnitInfo *unit_infos = NULL;
916 struct timer_info *t;
923 pager_open_if_enabled();
925 n = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
929 dual_timestamp_get(&nw);
931 for (u = unit_infos; u < unit_infos + n; u++) {
932 _cleanup_strv_free_ char **triggered = NULL;
936 if (!endswith(u->id, ".timer"))
939 r = get_triggered_units(bus, u->unit_path, &triggered);
943 r = get_next_elapse(bus, u->unit_path, &next);
947 if (next.monotonic != (usec_t) -1 && next.monotonic > 0) {
950 if (next.monotonic > nw.monotonic)
951 converted = nw.realtime + (next.monotonic - nw.monotonic);
953 converted = nw.realtime - (nw.monotonic - next.monotonic);
955 if (next.realtime != (usec_t) -1 && next.realtime > 0)
956 m = MIN(converted, next.realtime);
962 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
967 timer_infos[c++] = (struct timer_info) {
970 .triggered = triggered,
973 triggered = NULL; /* avoid cleanup */
976 qsort_safe(timer_infos, c, sizeof(struct timer_info),
977 (__compar_fn_t) timer_info_compare);
979 output_timers_list(timer_infos, c);
982 for (t = timer_infos; t < timer_infos + c; t++)
983 strv_free(t->triggered);
988 static int compare_unit_file_list(const void *a, const void *b) {
990 const UnitFileList *u = a, *v = b;
992 d1 = strrchr(u->path, '.');
993 d2 = strrchr(v->path, '.');
998 r = strcasecmp(d1, d2);
1003 return strcasecmp(basename(u->path), basename(v->path));
1006 static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
1009 if (!strv_isempty(patterns)) {
1012 STRV_FOREACH(pattern, patterns)
1013 if (fnmatch(*pattern, basename(u->path), FNM_NOESCAPE) == 0)
1018 return !arg_types || ((dot = strrchr(u->path, '.')) && strv_find(arg_types, dot+1));
1021 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1022 unsigned max_id_len, id_cols, state_cols, n_shown = 0;
1023 const UnitFileList *u;
1025 max_id_len = sizeof("UNIT FILE")-1;
1026 state_cols = sizeof("STATE")-1;
1028 for (u = units; u < units + c; u++) {
1029 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1030 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1034 unsigned basic_cols;
1036 id_cols = MIN(max_id_len, 25u);
1037 basic_cols = 1 + id_cols + state_cols;
1038 if (basic_cols < (unsigned) columns())
1039 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1041 id_cols = max_id_len;
1044 printf("%-*s %-*s\n",
1045 id_cols, "UNIT FILE",
1046 state_cols, "STATE");
1048 for (u = units; u < units + c; u++) {
1049 _cleanup_free_ char *e = NULL;
1050 const char *on, *off;
1055 if (u->state == UNIT_FILE_MASKED ||
1056 u->state == UNIT_FILE_MASKED_RUNTIME ||
1057 u->state == UNIT_FILE_DISABLED ||
1058 u->state == UNIT_FILE_INVALID) {
1059 on = ansi_highlight_red();
1060 off = ansi_highlight_off();
1061 } else if (u->state == UNIT_FILE_ENABLED) {
1062 on = ansi_highlight_green();
1063 off = ansi_highlight_off();
1067 id = basename(u->path);
1069 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1071 printf("%-*s %s%-*s%s\n",
1072 id_cols, e ? e : id,
1073 on, state_cols, unit_file_state_to_string(u->state), off);
1077 printf("\n%u unit files listed.\n", n_shown);
1080 static int list_unit_files(sd_bus *bus, char **args) {
1081 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1082 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1083 _cleanup_free_ UnitFileList *units = NULL;
1091 pager_open_if_enabled();
1099 h = hashmap_new(string_hash_func, string_compare_func);
1103 r = unit_file_get_list(arg_scope, arg_root, h);
1105 unit_file_list_free(h);
1106 log_error("Failed to get unit file list: %s", strerror(-r));
1110 n_units = hashmap_size(h);
1111 units = new(UnitFileList, n_units);
1113 unit_file_list_free(h);
1117 HASHMAP_FOREACH(u, h, i) {
1118 if (!output_show_unit_file(u, strv_skip_first(args)))
1125 assert(c <= n_units);
1128 r = sd_bus_call_method(
1130 "org.freedesktop.systemd1",
1131 "/org/freedesktop/systemd1",
1132 "org.freedesktop.systemd1.Manager",
1138 log_error("Failed to list unit files: %s", bus_error_message(&error, r));
1142 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1144 return bus_log_parse_error(r);
1146 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1148 if (!GREEDY_REALLOC(units, size, c + 1))
1151 units[c] = (struct UnitFileList) {
1153 unit_file_state_from_string(state)
1156 if (output_show_unit_file(&units[c], strv_skip_first(args)))
1161 return bus_log_parse_error(r);
1163 r = sd_bus_message_exit_container(reply);
1165 return bus_log_parse_error(r);
1169 qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
1170 output_unit_file_list(units, c);
1174 for (unit = units; unit < units + c; unit++)
1180 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1181 _cleanup_free_ char *n = NULL;
1182 size_t max_len = MAX(columns(),20u);
1188 for (i = level - 1; i >= 0; i--) {
1190 if (len > max_len - 3 && !arg_full) {
1191 printf("%s...\n",max_len % 2 ? "" : " ");
1194 printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
1198 if (len > max_len - 3 && !arg_full) {
1199 printf("%s...\n",max_len % 2 ? "" : " ");
1203 printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
1207 printf("%s\n", name);
1211 n = ellipsize(name, max_len-len, 100);
1219 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1221 static const char *dependencies[_DEPENDENCY_MAX] = {
1222 [DEPENDENCY_FORWARD] = "Requires\0"
1223 "RequiresOverridable\0"
1225 "RequisiteOverridable\0"
1227 [DEPENDENCY_REVERSE] = "RequiredBy\0"
1228 "RequiredByOverridable\0"
1231 [DEPENDENCY_AFTER] = "After\0",
1232 [DEPENDENCY_BEFORE] = "Before\0",
1235 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1236 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1237 _cleanup_strv_free_ char **ret = NULL;
1238 _cleanup_free_ char *path = NULL;
1244 assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX);
1246 path = unit_dbus_path_from_name(name);
1250 r = sd_bus_call_method(
1252 "org.freedesktop.systemd1",
1254 "org.freedesktop.DBus.Properties",
1258 "s", "org.freedesktop.systemd1.Unit");
1260 log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1264 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
1266 return bus_log_parse_error(r);
1268 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
1271 r = sd_bus_message_read(reply, "s", &prop);
1273 return bus_log_parse_error(r);
1275 if (!nulstr_contains(dependencies[arg_dependency], prop)) {
1276 r = sd_bus_message_skip(reply, "v");
1278 return bus_log_parse_error(r);
1281 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as");
1283 return bus_log_parse_error(r);
1285 r = bus_message_read_strv_extend(reply, &ret);
1287 return bus_log_parse_error(r);
1289 r = sd_bus_message_exit_container(reply);
1291 return bus_log_parse_error(r);
1294 r = sd_bus_message_exit_container(reply);
1296 return bus_log_parse_error(r);
1300 return bus_log_parse_error(r);
1302 r = sd_bus_message_exit_container(reply);
1304 return bus_log_parse_error(r);
1312 static int list_dependencies_compare(const void *_a, const void *_b) {
1313 const char **a = (const char**) _a, **b = (const char**) _b;
1315 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1317 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1320 return strcasecmp(*a, *b);
1323 static int list_dependencies_one(
1328 unsigned int branches) {
1330 _cleanup_strv_free_ char **deps = NULL;
1338 r = strv_extend(units, name);
1342 r = list_dependencies_get_dependencies(bus, name, &deps);
1346 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1348 STRV_FOREACH(c, deps) {
1351 if (strv_contains(*units, *c)) {
1353 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1360 state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
1362 printf("%s%s%s", ansi_highlight_green(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
1364 printf("%s%s%s", ansi_highlight_red(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
1366 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1370 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1371 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1378 strv_remove(*units, name);
1383 static int list_dependencies(sd_bus *bus, char **args) {
1384 _cleanup_strv_free_ char **units = NULL;
1385 _cleanup_free_ char *unit = NULL;
1391 unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
1396 u = SPECIAL_DEFAULT_TARGET;
1398 pager_open_if_enabled();
1402 return list_dependencies_one(bus, u, 0, &units, 0);
1405 static int get_default(sd_bus *bus, char **args) {
1406 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1407 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1408 _cleanup_free_ char *_path = NULL;
1412 if (!bus || avoid_bus()) {
1413 r = unit_file_get_default(arg_scope, arg_root, &_path);
1415 log_error("Failed to get default target: %s", strerror(-r));
1421 r = sd_bus_call_method(
1423 "org.freedesktop.systemd1",
1424 "/org/freedesktop/systemd1",
1425 "org.freedesktop.systemd1.Manager",
1431 log_error("Failed to get default target: %s", bus_error_message(&error, -r));
1435 r = sd_bus_message_read(reply, "s", &path);
1437 return bus_log_parse_error(r);
1441 printf("%s\n", path);
1446 static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) {
1449 assert(changes || n_changes == 0);
1451 for (i = 0; i < n_changes; i++) {
1452 if (changes[i].type == UNIT_FILE_SYMLINK)
1453 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
1455 log_info("rm '%s'", changes[i].path);
1459 static int deserialize_and_dump_unit_file_changes(sd_bus_message *m) {
1460 const char *type, *path, *source;
1463 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
1465 return bus_log_parse_error(r);
1467 while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
1469 if (streq(type, "symlink"))
1470 log_info("ln -s '%s' '%s'", source, path);
1472 log_info("rm '%s'", path);
1476 return bus_log_parse_error(r);
1478 r = sd_bus_message_exit_container(m);
1480 return bus_log_parse_error(r);
1485 static int set_default(sd_bus *bus, char **args) {
1486 _cleanup_free_ char *unit = NULL;
1487 UnitFileChange *changes = NULL;
1488 unsigned n_changes = 0;
1491 unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
1495 if (!bus || avoid_bus()) {
1496 r = unit_file_set_default(arg_scope, arg_root, unit, arg_force, &changes, &n_changes);
1498 log_error("Failed to set default target: %s", strerror(-r));
1503 dump_unit_file_changes(changes, n_changes);
1507 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1508 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1510 r = sd_bus_call_method(
1512 "org.freedesktop.systemd1",
1513 "/org/freedesktop/systemd1",
1514 "org.freedesktop.systemd1.Manager",
1518 "sb", unit, arg_force);
1520 log_error("Failed to set default target: %s", bus_error_message(&error, -r));
1524 r = deserialize_and_dump_unit_file_changes(reply);
1528 /* Try to reload if enabeld */
1530 r = daemon_reload(bus, args);
1535 unit_file_changes_free(changes, n_changes);
1542 const char *name, *type, *state;
1545 static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) {
1546 unsigned id_len, unit_len, type_len, state_len;
1547 const struct job_info *j;
1548 const char *on, *off;
1549 bool shorten = false;
1551 assert(n == 0 || jobs);
1554 on = ansi_highlight_green();
1555 off = ansi_highlight_off();
1557 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
1561 pager_open_if_enabled();
1563 id_len = sizeof("JOB")-1;
1564 unit_len = sizeof("UNIT")-1;
1565 type_len = sizeof("TYPE")-1;
1566 state_len = sizeof("STATE")-1;
1568 for (j = jobs; j < jobs + n; j++) {
1569 uint32_t id = j->id;
1570 assert(j->name && j->type && j->state);
1572 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
1573 unit_len = MAX(unit_len, strlen(j->name));
1574 type_len = MAX(type_len, strlen(j->type));
1575 state_len = MAX(state_len, strlen(j->state));
1578 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
1579 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
1584 printf("%*s %-*s %-*s %-*s\n",
1588 state_len, "STATE");
1590 for (j = jobs; j < jobs + n; j++) {
1591 _cleanup_free_ char *e = NULL;
1593 if (streq(j->state, "running")) {
1594 on = ansi_highlight();
1595 off = ansi_highlight_off();
1599 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
1600 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
1602 on, unit_len, e ? e : j->name, off,
1604 on, state_len, j->state, off);
1607 if (!arg_no_legend) {
1608 on = ansi_highlight();
1609 off = ansi_highlight_off();
1611 printf("\n%s%u jobs listed%s.\n", on, n, off);
1615 static bool output_show_job(struct job_info *job, char **patterns) {
1616 if (!strv_isempty(patterns)) {
1619 STRV_FOREACH(pattern, patterns)
1620 if (fnmatch(*pattern, job->name, FNM_NOESCAPE) == 0)
1628 static int list_jobs(sd_bus *bus, char **args) {
1629 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1630 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1631 const char *name, *type, *state, *job_path, *unit_path;
1632 _cleanup_free_ struct job_info *jobs = NULL;
1637 bool skipped = false;
1639 r = sd_bus_call_method(
1641 "org.freedesktop.systemd1",
1642 "/org/freedesktop/systemd1",
1643 "org.freedesktop.systemd1.Manager",
1649 log_error("Failed to list jobs: %s", bus_error_message(&error, r));
1653 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
1655 return bus_log_parse_error(r);
1657 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
1658 struct job_info job = { id, name, type, state };
1660 if (!output_show_job(&job, strv_skip_first(args))) {
1665 if (!GREEDY_REALLOC(jobs, size, c + 1))
1671 return bus_log_parse_error(r);
1673 r = sd_bus_message_exit_container(reply);
1675 return bus_log_parse_error(r);
1677 output_jobs_list(jobs, c, skipped);
1681 static int cancel_job(sd_bus *bus, char **args) {
1682 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1687 if (strv_length(args) <= 1)
1688 return daemon_reload(bus, args);
1690 STRV_FOREACH(name, args+1) {
1694 r = safe_atou32(*name, &id);
1696 log_error("Failed to parse job id \"%s\": %s", *name, strerror(-r));
1700 r = sd_bus_call_method(
1702 "org.freedesktop.systemd1",
1703 "/org/freedesktop/systemd1",
1704 "org.freedesktop.systemd1.Manager",
1710 log_error("Failed to cancel job %u: %s", (unsigned) id, bus_error_message(&error, r));
1718 static int need_daemon_reload(sd_bus *bus, const char *unit) {
1719 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1723 /* We ignore all errors here, since this is used to show a
1726 /* We don't use unit_dbus_path_from_name() directly since we
1727 * don't want to load the unit if it isn't loaded. */
1729 r = sd_bus_call_method(
1731 "org.freedesktop.systemd1",
1732 "/org/freedesktop/systemd1",
1733 "org.freedesktop.systemd1.Manager",
1741 r = sd_bus_message_read(reply, "o", &path);
1745 r = sd_bus_get_property_trivial(
1747 "org.freedesktop.systemd1",
1749 "org.freedesktop.systemd1.Unit",
1759 typedef struct WaitData {
1766 static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data, sd_bus_error *error) {
1773 log_debug("Got D-Bus request: %s.%s() on %s",
1774 sd_bus_message_get_interface(m),
1775 sd_bus_message_get_member(m),
1776 sd_bus_message_get_path(m));
1778 if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected")) {
1779 log_error("Warning! D-Bus connection terminated.");
1781 } else if (sd_bus_message_is_signal(m, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1783 const char *path, *result, *unit;
1787 r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
1789 ret = set_remove(d->set, (char*) path);
1795 if (!isempty(result))
1796 d->result = strdup(result);
1799 d->name = strdup(unit);
1804 r = sd_bus_message_read(m, "uos", &id, &path, &result);
1806 ret = set_remove(d->set, (char*) path);
1813 d->result = strdup(result);
1819 bus_log_parse_error(r);
1825 static int enable_wait_for_jobs(sd_bus *bus) {
1830 r = sd_bus_add_match(
1833 "sender='org.freedesktop.systemd1',"
1834 "interface='org.freedesktop.systemd1.Manager',"
1835 "member='JobRemoved',"
1836 "path='/org/freedesktop/systemd1'",
1839 log_error("Failed to add match");
1843 /* This is slightly dirty, since we don't undo the match registrations. */
1847 static int bus_process_wait(sd_bus *bus) {
1851 r = sd_bus_process(bus, NULL);
1856 r = sd_bus_wait(bus, (uint64_t) -1);
1862 static int check_wait_response(WaitData *d) {
1868 if (streq(d->result, "timeout"))
1869 log_error("Job for %s timed out.", strna(d->name));
1870 else if (streq(d->result, "canceled"))
1871 log_error("Job for %s canceled.", strna(d->name));
1872 else if (streq(d->result, "dependency"))
1873 log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d->name));
1874 else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
1875 log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d->name), strna(d->name));
1878 if (streq(d->result, "timeout"))
1880 else if (streq(d->result, "canceled"))
1882 else if (streq(d->result, "dependency"))
1884 else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
1890 static int wait_for_jobs(sd_bus *bus, Set *s) {
1891 WaitData d = { .set = s };
1897 q = sd_bus_add_filter(bus, wait_filter, &d);
1901 while (!set_isempty(s)) {
1902 q = bus_process_wait(bus);
1904 log_error("Failed to wait for response: %s", strerror(-r));
1909 q = check_wait_response(&d);
1910 /* Return the first error as it is most likely to be
1912 if (q < 0 && r == 0)
1914 log_debug("Got result %s/%s for job %s",
1915 strna(d.result), strerror(-q), strna(d.name));
1925 q = sd_bus_remove_filter(bus, wait_filter, &d);
1926 if (q < 0 && r == 0)
1932 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
1933 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1934 _cleanup_free_ char *n = NULL, *state = NULL;
1940 n = unit_name_mangle(name, MANGLE_NOGLOB);
1944 /* We don't use unit_dbus_path_from_name() directly since we
1945 * don't want to load the unit if it isn't loaded. */
1947 r = sd_bus_call_method(
1949 "org.freedesktop.systemd1",
1950 "/org/freedesktop/systemd1",
1951 "org.freedesktop.systemd1.Manager",
1962 r = sd_bus_message_read(reply, "o", &path);
1964 return bus_log_parse_error(r);
1966 r = sd_bus_get_property_string(
1968 "org.freedesktop.systemd1",
1970 "org.freedesktop.systemd1.Unit",
1983 return nulstr_contains(good_states, state);
1986 static int check_triggering_units(
1990 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1991 _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL;
1992 _cleanup_strv_free_ char **triggered_by = NULL;
1993 bool print_warning_label = true;
1997 n = unit_name_mangle(name, MANGLE_NOGLOB);
2001 path = unit_dbus_path_from_name(n);
2005 r = sd_bus_get_property_string(
2007 "org.freedesktop.systemd1",
2009 "org.freedesktop.systemd1.Unit",
2014 log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r));
2018 if (streq(state, "masked"))
2021 r = sd_bus_get_property_strv(
2023 "org.freedesktop.systemd1",
2025 "org.freedesktop.systemd1.Unit",
2030 log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2034 STRV_FOREACH(i, triggered_by) {
2035 r = check_one_unit(bus, *i, "active\0reloading\0", true);
2037 log_error("Failed to check unit: %s", strerror(-r));
2044 if (print_warning_label) {
2045 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2046 print_warning_label = false;
2049 log_warning(" %s", *i);
2055 static const char *verb_to_method(const char *verb) {
2058 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2059 if (streq_ptr(unit_actions[i].verb, verb))
2060 return unit_actions[i].method;
2065 static const char *method_to_verb(const char *method) {
2068 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2069 if (streq_ptr(unit_actions[i].method, method))
2070 return unit_actions[i].verb;
2075 static int start_unit_one(
2080 sd_bus_error *error,
2083 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2092 log_debug("Calling manager for %s on %s, %s", method, name, mode);
2093 r = sd_bus_call_method(
2095 "org.freedesktop.systemd1",
2096 "/org/freedesktop/systemd1",
2097 "org.freedesktop.systemd1.Manager",
2105 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
2106 /* There's always a fallback possible for
2107 * legacy actions. */
2108 return -EADDRNOTAVAIL;
2110 verb = method_to_verb(method);
2112 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2116 r = sd_bus_message_read(reply, "o", &path);
2118 return bus_log_parse_error(r);
2120 if (need_daemon_reload(bus, name) > 0)
2121 log_warning("Warning: Unit file of %s changed on disk, 'systemctl%s daemon-reload' recommended.",
2122 name, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2131 log_debug("Adding %s to the set", p);
2132 r = set_consume(s, p);
2140 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2142 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2143 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2147 STRV_FOREACH(name, names) {
2151 t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
2153 t = unit_name_mangle(*name, MANGLE_GLOB);
2157 if (string_is_glob(t))
2158 r = strv_push(&globs, t);
2160 r = strv_push(&mangled, t);
2167 /* Query the manager only if any of the names are a glob, since
2168 * this is fairly expensive */
2169 if (!strv_isempty(globs)) {
2170 _cleanup_free_ UnitInfo *unit_infos = NULL;
2172 r = get_unit_list(bus, &reply, &unit_infos, globs);
2176 for (i = 0; i < r; i++)
2177 if (strv_extend(&mangled, unit_infos[i].id) < 0)
2182 mangled = NULL; /* do not free */
2186 static const struct {
2190 } action_table[_ACTION_MAX] = {
2191 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2192 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2193 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2194 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2195 [ACTION_RUNLEVEL2] = { SPECIAL_RUNLEVEL2_TARGET, NULL, "isolate" },
2196 [ACTION_RUNLEVEL3] = { SPECIAL_RUNLEVEL3_TARGET, NULL, "isolate" },
2197 [ACTION_RUNLEVEL4] = { SPECIAL_RUNLEVEL4_TARGET, NULL, "isolate" },
2198 [ACTION_RUNLEVEL5] = { SPECIAL_RUNLEVEL5_TARGET, NULL, "isolate" },
2199 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2200 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2201 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2202 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2203 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2204 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2205 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2208 static enum action verb_to_action(const char *verb) {
2211 for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
2212 if (streq_ptr(action_table[i].verb, verb))
2215 return _ACTION_INVALID;
2218 static int start_unit(sd_bus *bus, char **args) {
2219 _cleanup_set_free_free_ Set *s = NULL;
2220 _cleanup_strv_free_ char **names = NULL;
2221 const char *method, *mode, *one_name;
2227 ask_password_agent_open_if_enabled();
2229 if (arg_action == ACTION_SYSTEMCTL) {
2231 method = verb_to_method(args[0]);
2232 action = verb_to_action(args[0]);
2234 mode = streq(args[0], "isolate") ? "isolate" :
2235 action_table[action].mode ?: arg_job_mode;
2237 one_name = action_table[action].target;
2239 assert(arg_action < ELEMENTSOF(action_table));
2240 assert(action_table[arg_action].target);
2242 method = "StartUnit";
2244 mode = action_table[arg_action].mode;
2245 one_name = action_table[arg_action].target;
2249 names = strv_new(one_name, NULL);
2251 r = expand_names(bus, args + 1, NULL, &names);
2253 log_error("Failed to expand names: %s", strerror(-r));
2256 if (!arg_no_block) {
2257 r = enable_wait_for_jobs(bus);
2259 log_error("Could not watch jobs: %s", strerror(-r));
2263 s = set_new(string_hash_func, string_compare_func);
2268 STRV_FOREACH(name, names) {
2269 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2272 q = start_unit_one(bus, method, *name, mode, &error, s);
2273 if (r >= 0 && q < 0)
2274 r = translate_bus_error_to_exit_status(q, &error);
2277 if (!arg_no_block) {
2280 q = wait_for_jobs(bus, s);
2284 /* When stopping units, warn if they can still be triggered by
2285 * another active unit (socket, path, timer) */
2286 if (!arg_quiet && streq(method, "StopUnit"))
2287 STRV_FOREACH(name, names)
2288 check_triggering_units(bus, *name);
2294 /* Ask systemd-logind, which might grant access to unprivileged users
2295 * through PolicyKit */
2296 static int reboot_with_logind(sd_bus *bus, enum action a) {
2298 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2305 polkit_agent_open_if_enabled();
2313 case ACTION_POWEROFF:
2314 method = "PowerOff";
2317 case ACTION_SUSPEND:
2321 case ACTION_HIBERNATE:
2322 method = "Hibernate";
2325 case ACTION_HYBRID_SLEEP:
2326 method = "HybridSleep";
2333 r = sd_bus_call_method(
2335 "org.freedesktop.login1",
2336 "/org/freedesktop/login1",
2337 "org.freedesktop.login1.Manager",
2343 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
2351 static int check_inhibitors(sd_bus *bus, enum action a) {
2353 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2354 _cleanup_strv_free_ char **sessions = NULL;
2355 const char *what, *who, *why, *mode;
2364 if (arg_ignore_inhibitors || arg_force > 0)
2376 r = sd_bus_call_method(
2378 "org.freedesktop.login1",
2379 "/org/freedesktop/login1",
2380 "org.freedesktop.login1.Manager",
2386 /* If logind is not around, then there are no inhibitors... */
2389 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
2391 return bus_log_parse_error(r);
2393 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
2394 _cleanup_free_ char *comm = NULL, *user = NULL;
2395 _cleanup_strv_free_ char **sv = NULL;
2397 if (!streq(mode, "block"))
2400 sv = strv_split(what, ":");
2404 if (!strv_contains(sv,
2406 a == ACTION_POWEROFF ||
2407 a == ACTION_REBOOT ||
2408 a == ACTION_KEXEC ? "shutdown" : "sleep"))
2411 get_process_comm(pid, &comm);
2412 user = uid_to_name(uid);
2414 log_warning("Operation inhibited by \"%s\" (PID %lu \"%s\", user %s), reason is \"%s\".",
2415 who, (unsigned long) pid, strna(comm), strna(user), why);
2420 return bus_log_parse_error(r);
2422 r = sd_bus_message_exit_container(reply);
2424 return bus_log_parse_error(r);
2426 /* Check for current sessions */
2427 sd_get_sessions(&sessions);
2428 STRV_FOREACH(s, sessions) {
2429 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
2431 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
2434 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
2437 if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
2440 sd_session_get_tty(*s, &tty);
2441 sd_session_get_seat(*s, &seat);
2442 sd_session_get_service(*s, &service);
2443 user = uid_to_name(uid);
2445 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
2452 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
2453 action_table[a].verb);
2461 static int start_special(sd_bus *bus, char **args) {
2467 a = verb_to_action(args[0]);
2469 r = check_inhibitors(bus, a);
2473 if (arg_force >= 2 && geteuid() != 0) {
2474 log_error("Must be root.");
2478 if (arg_force >= 2 &&
2479 (a == ACTION_HALT ||
2480 a == ACTION_POWEROFF ||
2481 a == ACTION_REBOOT))
2484 if (arg_force >= 1 &&
2485 (a == ACTION_HALT ||
2486 a == ACTION_POWEROFF ||
2487 a == ACTION_REBOOT ||
2488 a == ACTION_KEXEC ||
2490 return daemon_reload(bus, args);
2492 /* first try logind, to allow authentication with polkit */
2493 if (geteuid() != 0 &&
2494 (a == ACTION_POWEROFF ||
2495 a == ACTION_REBOOT ||
2496 a == ACTION_SUSPEND ||
2497 a == ACTION_HIBERNATE ||
2498 a == ACTION_HYBRID_SLEEP)) {
2499 r = reboot_with_logind(bus, a);
2504 r = start_unit(bus, args);
2505 if (r == EXIT_SUCCESS)
2511 static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
2512 _cleanup_strv_free_ char **names = NULL;
2519 r = expand_names(bus, args, NULL, &names);
2521 log_error("Failed to expand names: %s", strerror(-r));
2523 STRV_FOREACH(name, names) {
2526 state = check_one_unit(bus, *name, good_states, arg_quiet);
2536 static int check_unit_active(sd_bus *bus, char **args) {
2537 /* According to LSB: 3, "program is not running" */
2538 return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
2541 static int check_unit_failed(sd_bus *bus, char **args) {
2542 return check_unit_generic(bus, 1, "failed\0", args + 1);
2545 static int kill_unit(sd_bus *bus, char **args) {
2546 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2547 _cleanup_strv_free_ char **names = NULL;
2555 arg_kill_who = "all";
2557 r = expand_names(bus, args + 1, NULL, &names);
2559 log_error("Failed to expand names: %s", strerror(-r));
2561 STRV_FOREACH(name, names) {
2562 q = sd_bus_call_method(
2564 "org.freedesktop.systemd1",
2565 "/org/freedesktop/systemd1",
2566 "org.freedesktop.systemd1.Manager",
2570 "ssi", *names, arg_kill_who, arg_signal);
2572 log_error("Failed to kill unit %s: %s",
2573 *names, bus_error_message(&error, r));
2582 typedef struct ExecStatusInfo {
2590 usec_t start_timestamp;
2591 usec_t exit_timestamp;
2596 LIST_FIELDS(struct ExecStatusInfo, exec);
2599 static void exec_status_info_free(ExecStatusInfo *i) {
2608 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
2609 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
2612 int32_t code, status;
2618 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
2620 return bus_log_parse_error(r);
2624 r = sd_bus_message_read(m, "s", &path);
2626 return bus_log_parse_error(r);
2628 i->path = strdup(path);
2632 r = sd_bus_message_read_strv(m, &i->argv);
2634 return bus_log_parse_error(r);
2636 r = sd_bus_message_read(m,
2639 &start_timestamp, &start_timestamp_monotonic,
2640 &exit_timestamp, &exit_timestamp_monotonic,
2644 return bus_log_parse_error(r);
2647 i->start_timestamp = (usec_t) start_timestamp;
2648 i->exit_timestamp = (usec_t) exit_timestamp;
2649 i->pid = (pid_t) pid;
2653 r = sd_bus_message_exit_container(m);
2655 return bus_log_parse_error(r);
2660 typedef struct UnitStatusInfo {
2662 const char *load_state;
2663 const char *active_state;
2664 const char *sub_state;
2665 const char *unit_file_state;
2667 const char *description;
2668 const char *following;
2670 char **documentation;
2672 const char *fragment_path;
2673 const char *source_path;
2674 const char *control_group;
2676 char **dropin_paths;
2678 const char *load_error;
2681 usec_t inactive_exit_timestamp;
2682 usec_t inactive_exit_timestamp_monotonic;
2683 usec_t active_enter_timestamp;
2684 usec_t active_exit_timestamp;
2685 usec_t inactive_enter_timestamp;
2687 bool need_daemon_reload;
2692 const char *status_text;
2693 const char *pid_file;
2696 usec_t start_timestamp;
2697 usec_t exit_timestamp;
2699 int exit_code, exit_status;
2701 usec_t condition_timestamp;
2702 bool condition_result;
2703 bool failed_condition_trigger;
2704 bool failed_condition_negate;
2705 const char *failed_condition;
2706 const char *failed_condition_param;
2709 unsigned n_accepted;
2710 unsigned n_connections;
2713 /* Pairs of type, path */
2717 const char *sysfs_path;
2719 /* Mount, Automount */
2725 LIST_HEAD(ExecStatusInfo, exec);
2728 static void print_status_info(
2733 const char *on, *off, *ss;
2735 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
2736 char since2[FORMAT_TIMESTAMP_MAX], *s2;
2739 arg_all * OUTPUT_SHOW_ALL |
2740 (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
2741 on_tty() * OUTPUT_COLOR |
2742 !arg_quiet * OUTPUT_WARN_CUTOFF |
2743 arg_full * OUTPUT_FULL_WIDTH;
2748 /* This shows pretty information about a unit. See
2749 * print_property() for a low-level property printer */
2751 printf("%s", strna(i->id));
2753 if (i->description && !streq_ptr(i->id, i->description))
2754 printf(" - %s", i->description);
2759 printf(" Follow: unit currently follows state of %s\n", i->following);
2761 if (streq_ptr(i->load_state, "error")) {
2762 on = ansi_highlight_red();
2763 off = ansi_highlight_off();
2767 path = i->source_path ? i->source_path : i->fragment_path;
2770 printf(" Loaded: %s%s%s (Reason: %s)\n",
2771 on, strna(i->load_state), off, i->load_error);
2772 else if (path && i->unit_file_state)
2773 printf(" Loaded: %s%s%s (%s; %s)\n",
2774 on, strna(i->load_state), off, path, i->unit_file_state);
2776 printf(" Loaded: %s%s%s (%s)\n",
2777 on, strna(i->load_state), off, path);
2779 printf(" Loaded: %s%s%s\n",
2780 on, strna(i->load_state), off);
2782 if (!strv_isempty(i->dropin_paths)) {
2783 _cleanup_free_ char *dir = NULL;
2787 STRV_FOREACH(dropin, i->dropin_paths) {
2788 if (! dir || last) {
2789 printf(dir ? " " : " Drop-In: ");
2794 if (path_get_parent(*dropin, &dir) < 0) {
2799 printf("%s\n %s", dir,
2800 draw_special_char(DRAW_TREE_RIGHT));
2803 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
2805 printf("%s%s", basename(*dropin), last ? "\n" : ", ");
2809 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2811 if (streq_ptr(i->active_state, "failed")) {
2812 on = ansi_highlight_red();
2813 off = ansi_highlight_off();
2814 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2815 on = ansi_highlight_green();
2816 off = ansi_highlight_off();
2821 printf(" Active: %s%s (%s)%s",
2822 on, strna(i->active_state), ss, off);
2824 printf(" Active: %s%s%s",
2825 on, strna(i->active_state), off);
2827 if (!isempty(i->result) && !streq(i->result, "success"))
2828 printf(" (Result: %s)", i->result);
2830 timestamp = (streq_ptr(i->active_state, "active") ||
2831 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2832 (streq_ptr(i->active_state, "inactive") ||
2833 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
2834 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2835 i->active_exit_timestamp;
2837 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
2838 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2841 printf(" since %s; %s\n", s2, s1);
2843 printf(" since %s\n", s2);
2847 if (!i->condition_result && i->condition_timestamp > 0) {
2848 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
2849 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2851 printf(" start condition failed at %s%s%s\n",
2852 s2, s1 ? "; " : "", s1 ? s1 : "");
2853 if (i->failed_condition_trigger)
2854 printf(" none of the trigger conditions were met\n");
2855 else if (i->failed_condition)
2856 printf(" %s=%s%s was not met\n",
2857 i->failed_condition,
2858 i->failed_condition_negate ? "!" : "",
2859 i->failed_condition_param);
2863 printf(" Device: %s\n", i->sysfs_path);
2865 printf(" Where: %s\n", i->where);
2867 printf(" What: %s\n", i->what);
2869 STRV_FOREACH(t, i->documentation)
2870 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
2872 STRV_FOREACH_PAIR(t, t2, i->listen)
2873 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
2876 printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2878 LIST_FOREACH(exec, p, i->exec) {
2879 _cleanup_free_ char *argv = NULL;
2882 /* Only show exited processes here */
2886 argv = strv_join(p->argv, " ");
2887 printf(" Process: %u %s=%s ", p->pid, p->name, strna(argv));
2889 good = is_clean_exit_lsb(p->code, p->status, NULL);
2891 on = ansi_highlight_red();
2892 off = ansi_highlight_off();
2896 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2898 if (p->code == CLD_EXITED) {
2901 printf("status=%i", p->status);
2903 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
2908 printf("signal=%s", signal_to_string(p->status));
2910 printf(")%s\n", off);
2912 if (i->main_pid == p->pid &&
2913 i->start_timestamp == p->start_timestamp &&
2914 i->exit_timestamp == p->start_timestamp)
2915 /* Let's not show this twice */
2918 if (p->pid == i->control_pid)
2922 if (i->main_pid > 0 || i->control_pid > 0) {
2923 if (i->main_pid > 0) {
2924 printf(" Main PID: %u", (unsigned) i->main_pid);
2927 _cleanup_free_ char *comm = NULL;
2928 get_process_comm(i->main_pid, &comm);
2930 printf(" (%s)", comm);
2931 } else if (i->exit_code > 0) {
2932 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2934 if (i->exit_code == CLD_EXITED) {
2937 printf("status=%i", i->exit_status);
2939 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
2944 printf("signal=%s", signal_to_string(i->exit_status));
2948 if (i->control_pid > 0)
2952 if (i->control_pid > 0) {
2953 _cleanup_free_ char *c = NULL;
2955 printf(" %8s: %u", i->main_pid ? "" : " Control", (unsigned) i->control_pid);
2957 get_process_comm(i->control_pid, &c);
2966 printf(" Status: \"%s\"\n", i->status_text);
2968 if (i->control_group &&
2969 (i->main_pid > 0 || i->control_pid > 0 || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0)) {
2972 printf(" CGroup: %s\n", i->control_group);
2974 if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_CONTAINER) {
2977 char prefix[] = " ";
2980 if (c > sizeof(prefix) - 1)
2981 c -= sizeof(prefix) - 1;
2985 if (i->main_pid > 0)
2986 extra[k++] = i->main_pid;
2988 if (i->control_pid > 0)
2989 extra[k++] = i->control_pid;
2991 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix,
2992 c, false, extra, k, flags);
2996 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) {
2998 show_journal_by_unit(stdout,
3002 i->inactive_exit_timestamp_monotonic,
3006 arg_scope == UNIT_FILE_SYSTEM,
3010 if (i->need_daemon_reload)
3011 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %sdaemon-reload' recommended.\n",
3012 ansi_highlight_red(),
3013 ansi_highlight_off(),
3014 arg_scope == UNIT_FILE_SYSTEM ? "" : "--user ");
3017 static void show_unit_help(UnitStatusInfo *i) {
3022 if (!i->documentation) {
3023 log_info("Documentation for %s not known.", i->id);
3027 STRV_FOREACH(p, i->documentation) {
3029 if (startswith(*p, "man:")) {
3030 const char *args[4] = { "man", NULL, NULL, NULL };
3031 _cleanup_free_ char *page = NULL, *section = NULL;
3038 if ((*p)[k-1] == ')')
3039 e = strrchr(*p, '(');
3042 page = strndup((*p) + 4, e - *p - 4);
3043 section = strndup(e + 1, *p + k - e - 2);
3044 if (!page || !section) {
3056 log_error("Failed to fork: %m");
3062 execvp(args[0], (char**) args);
3063 log_error("Failed to execute man: %m");
3064 _exit(EXIT_FAILURE);
3067 wait_for_terminate(pid, NULL);
3069 log_info("Can't show: %s", *p);
3073 static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
3080 switch (contents[0]) {
3082 case SD_BUS_TYPE_STRING: {
3085 r = sd_bus_message_read(m, "s", &s);
3087 return bus_log_parse_error(r);
3090 if (streq(name, "Id"))
3092 else if (streq(name, "LoadState"))
3094 else if (streq(name, "ActiveState"))
3095 i->active_state = s;
3096 else if (streq(name, "SubState"))
3098 else if (streq(name, "Description"))
3100 else if (streq(name, "FragmentPath"))
3101 i->fragment_path = s;
3102 else if (streq(name, "SourcePath"))
3105 else if (streq(name, "DefaultControlGroup")) {
3107 e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":");
3109 i->control_group = e;
3112 else if (streq(name, "ControlGroup"))
3113 i->control_group = s;
3114 else if (streq(name, "StatusText"))
3116 else if (streq(name, "PIDFile"))
3118 else if (streq(name, "SysFSPath"))
3120 else if (streq(name, "Where"))
3122 else if (streq(name, "What"))
3124 else if (streq(name, "Following"))
3126 else if (streq(name, "UnitFileState"))
3127 i->unit_file_state = s;
3128 else if (streq(name, "Result"))
3135 case SD_BUS_TYPE_BOOLEAN: {
3138 r = sd_bus_message_read(m, "b", &b);
3140 return bus_log_parse_error(r);
3142 if (streq(name, "Accept"))
3144 else if (streq(name, "NeedDaemonReload"))
3145 i->need_daemon_reload = b;
3146 else if (streq(name, "ConditionResult"))
3147 i->condition_result = b;
3152 case SD_BUS_TYPE_UINT32: {
3155 r = sd_bus_message_read(m, "u", &u);
3157 return bus_log_parse_error(r);
3159 if (streq(name, "MainPID")) {
3161 i->main_pid = (pid_t) u;
3164 } else if (streq(name, "ControlPID"))
3165 i->control_pid = (pid_t) u;
3166 else if (streq(name, "ExecMainPID")) {
3168 i->main_pid = (pid_t) u;
3169 } else if (streq(name, "NAccepted"))
3171 else if (streq(name, "NConnections"))
3172 i->n_connections = u;
3177 case SD_BUS_TYPE_INT32: {
3180 r = sd_bus_message_read(m, "i", &j);
3182 return bus_log_parse_error(r);
3184 if (streq(name, "ExecMainCode"))
3185 i->exit_code = (int) j;
3186 else if (streq(name, "ExecMainStatus"))
3187 i->exit_status = (int) j;
3192 case SD_BUS_TYPE_UINT64: {
3195 r = sd_bus_message_read(m, "t", &u);
3197 return bus_log_parse_error(r);
3199 if (streq(name, "ExecMainStartTimestamp"))
3200 i->start_timestamp = (usec_t) u;
3201 else if (streq(name, "ExecMainExitTimestamp"))
3202 i->exit_timestamp = (usec_t) u;
3203 else if (streq(name, "ActiveEnterTimestamp"))
3204 i->active_enter_timestamp = (usec_t) u;
3205 else if (streq(name, "InactiveEnterTimestamp"))
3206 i->inactive_enter_timestamp = (usec_t) u;
3207 else if (streq(name, "InactiveExitTimestamp"))
3208 i->inactive_exit_timestamp = (usec_t) u;
3209 else if (streq(name, "InactiveExitTimestampMonotonic"))
3210 i->inactive_exit_timestamp_monotonic = (usec_t) u;
3211 else if (streq(name, "ActiveExitTimestamp"))
3212 i->active_exit_timestamp = (usec_t) u;
3213 else if (streq(name, "ConditionTimestamp"))
3214 i->condition_timestamp = (usec_t) u;
3219 case SD_BUS_TYPE_ARRAY:
3221 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
3222 _cleanup_free_ ExecStatusInfo *info = NULL;
3224 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
3226 return bus_log_parse_error(r);
3228 info = new0(ExecStatusInfo, 1);
3232 while ((r = exec_status_info_deserialize(m, info)) > 0) {
3234 info->name = strdup(name);
3238 LIST_PREPEND(exec, i->exec, info);
3240 info = new0(ExecStatusInfo, 1);
3246 return bus_log_parse_error(r);
3248 r = sd_bus_message_exit_container(m);
3250 return bus_log_parse_error(r);
3254 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
3255 const char *type, *path;
3257 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3259 return bus_log_parse_error(r);
3261 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
3263 r = strv_extend(&i->listen, type);
3267 r = strv_extend(&i->listen, path);
3272 return bus_log_parse_error(r);
3274 r = sd_bus_message_exit_container(m);
3276 return bus_log_parse_error(r);
3280 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) {
3282 r = sd_bus_message_read_strv(m, &i->dropin_paths);
3284 return bus_log_parse_error(r);
3286 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) {
3288 r = sd_bus_message_read_strv(m, &i->documentation);
3290 return bus_log_parse_error(r);
3292 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) {
3293 const char *cond, *param;
3294 int trigger, negate;
3297 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
3299 return bus_log_parse_error(r);
3301 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
3302 log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
3303 if (state < 0 && (!trigger || !i->failed_condition)) {
3304 i->failed_condition = cond;
3305 i->failed_condition_trigger = trigger;
3306 i->failed_condition_negate = negate;
3307 i->failed_condition_param = param;
3311 return bus_log_parse_error(r);
3313 r = sd_bus_message_exit_container(m);
3315 return bus_log_parse_error(r);
3322 case SD_BUS_TYPE_STRUCT_BEGIN:
3324 if (streq(name, "LoadError")) {
3325 const char *n, *message;
3327 r = sd_bus_message_read(m, "(ss)", &n, &message);
3329 return bus_log_parse_error(r);
3331 if (!isempty(message))
3332 i->load_error = message;
3345 r = sd_bus_message_skip(m, contents);
3347 return bus_log_parse_error(r);
3352 static int print_property(const char *name, sd_bus_message *m, const char *contents) {
3358 /* This is a low-level property printer, see
3359 * print_status_info() for the nicer output */
3361 if (arg_properties && !strv_find(arg_properties, name)) {
3362 /* skip what we didn't read */
3363 r = sd_bus_message_skip(m, contents);
3367 switch (contents[0]) {
3369 case SD_BUS_TYPE_STRUCT_BEGIN:
3371 if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
3374 r = sd_bus_message_read(m, "(uo)", &u, NULL);
3376 return bus_log_parse_error(r);
3379 printf("%s=%u\n", name, (unsigned) u);
3381 printf("%s=\n", name);
3385 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
3388 r = sd_bus_message_read(m, "(so)", &s, NULL);
3390 return bus_log_parse_error(r);
3392 if (arg_all || !isempty(s))
3393 printf("%s=%s\n", name, s);
3397 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
3398 const char *a = NULL, *b = NULL;
3400 r = sd_bus_message_read(m, "(ss)", &a, &b);
3402 return bus_log_parse_error(r);
3404 if (arg_all || !isempty(a) || !isempty(b))
3405 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
3408 } else if (streq_ptr(name, "SystemCallFilter")) {
3409 _cleanup_strv_free_ char **l = NULL;
3412 r = sd_bus_message_enter_container(m, 'r', "bas");
3414 return bus_log_parse_error(r);
3416 r = sd_bus_message_read(m, "b", &whitelist);
3418 return bus_log_parse_error(r);
3420 r = sd_bus_message_read_strv(m, &l);
3422 return bus_log_parse_error(r);
3424 r = sd_bus_message_exit_container(m);
3426 return bus_log_parse_error(r);
3428 if (arg_all || whitelist || !strv_isempty(l)) {
3432 fputs(name, stdout);
3438 STRV_FOREACH(i, l) {
3446 fputc('\n', stdout);
3454 case SD_BUS_TYPE_ARRAY:
3456 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
3460 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
3462 return bus_log_parse_error(r);
3464 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
3465 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
3468 return bus_log_parse_error(r);
3470 r = sd_bus_message_exit_container(m);
3472 return bus_log_parse_error(r);
3476 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
3477 const char *type, *path;
3479 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3481 return bus_log_parse_error(r);
3483 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
3484 printf("%s=%s\n", type, path);
3486 return bus_log_parse_error(r);
3488 r = sd_bus_message_exit_container(m);
3490 return bus_log_parse_error(r);
3494 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
3495 const char *type, *path;
3497 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3499 return bus_log_parse_error(r);
3501 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
3502 printf("Listen%s=%s\n", type, path);
3504 return bus_log_parse_error(r);
3506 r = sd_bus_message_exit_container(m);
3508 return bus_log_parse_error(r);
3512 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) {
3514 uint64_t value, next_elapse;
3516 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
3518 return bus_log_parse_error(r);
3520 while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) {
3521 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
3523 printf("%s={ value=%s ; next_elapse=%s }\n",
3525 format_timespan(timespan1, sizeof(timespan1), value, 0),
3526 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
3529 return bus_log_parse_error(r);
3531 r = sd_bus_message_exit_container(m);
3533 return bus_log_parse_error(r);
3537 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
3538 ExecStatusInfo info = {};
3540 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
3542 return bus_log_parse_error(r);
3544 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
3545 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
3546 _cleanup_free_ char *tt;
3548 tt = strv_join(info.argv, " ");
3550 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
3554 yes_no(info.ignore),
3555 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
3556 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
3557 (unsigned) info. pid,
3558 sigchld_code_to_string(info.code),
3560 info.code == CLD_EXITED ? "" : "/",
3561 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
3564 strv_free(info.argv);
3568 r = sd_bus_message_exit_container(m);
3570 return bus_log_parse_error(r);
3574 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
3575 const char *path, *rwm;
3577 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3579 return bus_log_parse_error(r);
3581 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
3582 printf("%s=%s %s\n", name, strna(path), strna(rwm));
3584 return bus_log_parse_error(r);
3586 r = sd_bus_message_exit_container(m);
3588 return bus_log_parse_error(r);
3592 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) {
3596 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
3598 return bus_log_parse_error(r);
3600 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
3601 printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
3603 return bus_log_parse_error(r);
3605 r = sd_bus_message_exit_container(m);
3607 return bus_log_parse_error(r);
3611 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && (streq(name, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) {
3615 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
3617 return bus_log_parse_error(r);
3619 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
3620 printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
3622 return bus_log_parse_error(r);
3624 r = sd_bus_message_exit_container(m);
3626 return bus_log_parse_error(r);
3634 r = bus_print_property(name, m, arg_all);
3636 return bus_log_parse_error(r);
3639 r = sd_bus_message_skip(m, contents);
3641 return bus_log_parse_error(r);
3644 printf("%s=[unprintable]\n", name);
3650 static int show_one(
3654 bool show_properties,
3658 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3659 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3660 UnitStatusInfo info = {};
3667 log_debug("Showing one %s", path);
3669 r = sd_bus_call_method(
3671 "org.freedesktop.systemd1",
3673 "org.freedesktop.DBus.Properties",
3679 log_error("Failed to get properties: %s", bus_error_message(&error, r));
3683 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
3685 return bus_log_parse_error(r);
3692 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
3693 const char *name, *contents;
3695 r = sd_bus_message_read(reply, "s", &name);
3697 return bus_log_parse_error(r);
3699 r = sd_bus_message_peek_type(reply, NULL, &contents);
3701 return bus_log_parse_error(r);
3703 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
3705 return bus_log_parse_error(r);
3707 if (show_properties)
3708 r = print_property(name, reply, contents);
3710 r = status_property(name, reply, &info, contents);
3714 r = sd_bus_message_exit_container(reply);
3716 return bus_log_parse_error(r);
3718 r = sd_bus_message_exit_container(reply);
3720 return bus_log_parse_error(r);
3723 return bus_log_parse_error(r);
3725 r = sd_bus_message_exit_container(reply);
3727 return bus_log_parse_error(r);
3731 if (!show_properties) {
3732 if (streq(verb, "help"))
3733 show_unit_help(&info);
3735 print_status_info(&info, ellipsized);
3738 strv_free(info.documentation);
3739 strv_free(info.dropin_paths);
3740 strv_free(info.listen);
3742 if (!streq_ptr(info.active_state, "active") &&
3743 !streq_ptr(info.active_state, "reloading") &&
3744 streq(verb, "status")) {
3745 /* According to LSB: "program not running" */
3746 /* 0: program is running or service is OK
3747 * 1: program is dead and /var/run pid file exists
3748 * 2: program is dead and /var/lock lock file exists
3749 * 3: program is not running
3750 * 4: program or service status is unknown
3752 if (info.pid_file && access(info.pid_file, F_OK) == 0)
3758 while ((p = info.exec)) {
3759 LIST_REMOVE(exec, info.exec, p);
3760 exec_status_info_free(p);
3766 static int get_unit_dbus_path_by_pid(
3771 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3772 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3776 r = sd_bus_call_method(
3778 "org.freedesktop.systemd1",
3779 "/org/freedesktop/systemd1",
3780 "org.freedesktop.systemd1.Manager",
3786 log_error("Failed to get unit for PID %lu: %s", (unsigned long) pid, bus_error_message(&error, r));
3790 r = sd_bus_message_read(reply, "o", &u);
3792 return bus_log_parse_error(r);
3802 static int show_all(
3805 bool show_properties,
3809 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
3810 _cleanup_free_ UnitInfo *unit_infos = NULL;
3815 r = get_unit_list(bus, &reply, &unit_infos, NULL);
3819 pager_open_if_enabled();
3823 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
3825 for (u = unit_infos; u < unit_infos + c; u++) {
3826 _cleanup_free_ char *p = NULL;
3828 p = unit_dbus_path_from_name(u->id);
3832 r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
3840 static int cat(sd_bus *bus, char **args) {
3841 _cleanup_free_ char *unit = NULL;
3842 _cleanup_strv_free_ char **names = NULL;
3850 r = expand_names(bus, args + 1, NULL, &names);
3852 log_error("Failed to expand names: %s", strerror(-r));
3854 pager_open_if_enabled();
3856 STRV_FOREACH(name, names) {
3857 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3858 _cleanup_strv_free_ char **dropin_paths = NULL;
3859 _cleanup_free_ char *fragment_path = NULL;
3862 unit = unit_dbus_path_from_name(*name);
3866 if (need_daemon_reload(bus, *name) > 0)
3867 log_warning("Unit file of %s changed on disk. Run 'systemctl%s daemon-reload'.",
3868 *name, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
3870 r = sd_bus_get_property_string(
3872 "org.freedesktop.systemd1",
3874 "org.freedesktop.systemd1.Unit",
3879 log_warning("Failed to get FragmentPath: %s", bus_error_message(&error, r));
3883 r = sd_bus_get_property_strv(
3885 "org.freedesktop.systemd1",
3887 "org.freedesktop.systemd1.Unit",
3892 log_warning("Failed to get DropInPaths: %s", bus_error_message(&error, r));
3901 if (!isempty(fragment_path)) {
3902 printf("%s# %s%s\n",
3903 ansi_highlight_blue(),
3905 ansi_highlight_off());
3908 r = sendfile_full(STDOUT_FILENO, fragment_path);
3910 log_warning("Failed to cat %s: %s", fragment_path, strerror(-r));
3915 STRV_FOREACH(path, dropin_paths) {
3916 printf("%s%s# %s%s\n",
3917 isempty(fragment_path) && path == dropin_paths ? "" : "\n",
3918 ansi_highlight_blue(),
3920 ansi_highlight_off());
3923 r = sendfile_full(STDOUT_FILENO, *path);
3925 log_warning("Failed to cat %s: %s", *path, strerror(-r));
3931 return r < 0 ? r : 0;
3934 static int show(sd_bus *bus, char **args) {
3935 bool show_properties, show_status, new_line = false;
3936 bool ellipsized = false;
3942 show_properties = streq(args[0], "show");
3943 show_status = streq(args[0], "status");
3945 if (show_properties)
3946 pager_open_if_enabled();
3948 /* If no argument is specified inspect the manager itself */
3950 if (show_properties && strv_length(args) <= 1)
3951 return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
3953 if (show_status && strv_length(args) <= 1)
3954 ret = show_all(args[0], bus, false, &new_line, &ellipsized);
3956 _cleanup_free_ char **patterns = NULL;
3959 STRV_FOREACH(name, args + 1) {
3960 _cleanup_free_ char *unit = NULL;
3963 if (safe_atou32(*name, &id) < 0) {
3964 if (strv_push(&patterns, *name) < 0)
3968 } else if (show_properties) {
3969 /* Interpret as job id */
3970 if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0)
3974 /* Interpret as PID */
3975 r = get_unit_dbus_path_by_pid(bus, id, &unit);
3982 show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized);
3985 if (!strv_isempty(patterns)) {
3986 _cleanup_strv_free_ char **names = NULL;
3988 r = expand_names(bus, patterns, NULL, &names);
3990 log_error("Failed to expand names: %s", strerror(-r));
3992 STRV_FOREACH(name, names) {
3993 _cleanup_free_ char *unit;
3995 unit = unit_dbus_path_from_name(*name);
3999 show_one(args[0], bus, unit, show_properties, &new_line, &ellipsized);
4004 if (ellipsized && !arg_quiet)
4005 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
4010 static int append_assignment(sd_bus_message *m, const char *assignment) {
4018 eq = strchr(assignment, '=');
4020 log_error("Not an assignment: %s", assignment);
4024 field = strndupa(assignment, eq - assignment);
4027 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
4029 return bus_log_create_error(r);
4031 if (streq(field, "CPUAccounting") ||
4032 streq(field, "MemoryAccounting") ||
4033 streq(field, "BlockIOAccounting")) {
4035 r = parse_boolean(eq);
4037 log_error("Failed to parse boolean assignment %s.", assignment);
4041 r = sd_bus_message_append(m, "v", "b", r);
4043 } else if (streq(field, "MemoryLimit")) {
4046 r = parse_bytes(eq, &bytes);
4048 log_error("Failed to parse bytes specification %s", assignment);
4052 r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes);
4054 } else if (streq(field, "CPUShares") || streq(field, "BlockIOWeight")) {
4057 r = safe_atou64(eq, &u);
4059 log_error("Failed to parse %s value %s.", field, eq);
4063 r = sd_bus_message_append(m, "v", "t", u);
4065 } else if (streq(field, "DevicePolicy"))
4066 r = sd_bus_message_append(m, "v", "s", eq);
4068 else if (streq(field, "DeviceAllow")) {
4071 r = sd_bus_message_append(m, "v", "a(ss)", 0);
4073 const char *path, *rwm;
4076 e = strchr(eq, ' ');
4078 path = strndupa(eq, e - eq);
4085 if (!path_startswith(path, "/dev")) {
4086 log_error("%s is not a device file in /dev.", path);
4090 r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm);
4093 } else if (streq(field, "BlockIOReadBandwidth") || streq(field, "BlockIOWriteBandwidth")) {
4096 r = sd_bus_message_append(m, "v", "a(st)", 0);
4098 const char *path, *bandwidth;
4102 e = strchr(eq, ' ');
4104 path = strndupa(eq, e - eq);
4107 log_error("Failed to parse %s value %s.", field, eq);
4111 if (!path_startswith(path, "/dev")) {
4112 log_error("%s is not a device file in /dev.", path);
4116 r = parse_bytes(bandwidth, &bytes);
4118 log_error("Failed to parse byte value %s.", bandwidth);
4122 r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes);
4125 } else if (streq(field, "BlockIODeviceWeight")) {
4128 r = sd_bus_message_append(m, "v", "a(st)", 0);
4130 const char *path, *weight;
4134 e = strchr(eq, ' ');
4136 path = strndupa(eq, e - eq);
4139 log_error("Failed to parse %s value %s.", field, eq);
4143 if (!path_startswith(path, "/dev")) {
4144 log_error("%s is not a device file in /dev.", path);
4148 r = safe_atou64(weight, &u);
4150 log_error("Failed to parse %s value %s.", field, weight);
4153 r = sd_bus_message_append(m, "v", "a(st)", path, u);
4157 log_error("Unknown assignment %s.", assignment);
4162 return bus_log_create_error(r);
4167 static int set_property(sd_bus *bus, char **args) {
4168 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4169 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4170 _cleanup_free_ char *n = NULL;
4174 r = sd_bus_message_new_method_call(
4176 "org.freedesktop.systemd1",
4177 "/org/freedesktop/systemd1",
4178 "org.freedesktop.systemd1.Manager",
4179 "SetUnitProperties",
4182 return bus_log_create_error(r);
4184 n = unit_name_mangle(args[1], MANGLE_NOGLOB);
4188 r = sd_bus_message_append(m, "sb", n, arg_runtime);
4190 return bus_log_create_error(r);
4192 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
4194 return bus_log_create_error(r);
4196 STRV_FOREACH(i, args + 2) {
4197 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
4199 return bus_log_create_error(r);
4201 r = append_assignment(m, *i);
4205 r = sd_bus_message_close_container(m);
4207 return bus_log_create_error(r);
4210 r = sd_bus_message_close_container(m);
4212 return bus_log_create_error(r);
4214 r = sd_bus_call(bus, m, 0, &error, NULL);
4216 log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
4223 static int snapshot(sd_bus *bus, char **args) {
4224 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4225 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4226 _cleanup_free_ char *n = NULL, *id = NULL;
4230 if (strv_length(args) > 1)
4231 n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
4237 r = sd_bus_call_method(
4239 "org.freedesktop.systemd1",
4240 "/org/freedesktop/systemd1",
4241 "org.freedesktop.systemd1.Manager",
4247 log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
4251 r = sd_bus_message_read(reply, "o", &path);
4253 return bus_log_parse_error(r);
4255 r = sd_bus_get_property_string(
4257 "org.freedesktop.systemd1",
4259 "org.freedesktop.systemd1.Unit",
4264 log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r));
4274 static int delete_snapshot(sd_bus *bus, char **args) {
4275 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4276 _cleanup_strv_free_ char **names = NULL;
4282 r = expand_names(bus, args + 1, ".snapshot", &names);
4284 log_error("Failed to expand names: %s", strerror(-r));
4286 STRV_FOREACH(name, names) {
4287 q = sd_bus_call_method(
4289 "org.freedesktop.systemd1",
4290 "/org/freedesktop/systemd1",
4291 "org.freedesktop.systemd1.Manager",
4297 log_error("Failed to remove snapshot %s: %s",
4298 *name, bus_error_message(&error, r));
4307 static int daemon_reload(sd_bus *bus, char **args) {
4308 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4312 if (arg_action == ACTION_RELOAD)
4314 else if (arg_action == ACTION_REEXEC)
4315 method = "Reexecute";
4317 assert(arg_action == ACTION_SYSTEMCTL);
4320 streq(args[0], "clear-jobs") ||
4321 streq(args[0], "cancel") ? "ClearJobs" :
4322 streq(args[0], "daemon-reexec") ? "Reexecute" :
4323 streq(args[0], "reset-failed") ? "ResetFailed" :
4324 streq(args[0], "halt") ? "Halt" :
4325 streq(args[0], "poweroff") ? "PowerOff" :
4326 streq(args[0], "reboot") ? "Reboot" :
4327 streq(args[0], "kexec") ? "KExec" :
4328 streq(args[0], "exit") ? "Exit" :
4329 /* "daemon-reload" */ "Reload";
4332 r = sd_bus_call_method(
4334 "org.freedesktop.systemd1",
4335 "/org/freedesktop/systemd1",
4336 "org.freedesktop.systemd1.Manager",
4342 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
4343 /* There's always a fallback possible for
4344 * legacy actions. */
4346 else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute"))
4347 /* On reexecution, we expect a disconnect, not a
4351 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
4353 return r < 0 ? r : 0;
4356 static int reset_failed(sd_bus *bus, char **args) {
4357 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4358 _cleanup_strv_free_ char **names = NULL;
4362 if (strv_length(args) <= 1)
4363 return daemon_reload(bus, args);
4365 r = expand_names(bus, args + 1, NULL, &names);
4367 log_error("Failed to expand names: %s", strerror(-r));
4369 STRV_FOREACH(name, names) {
4370 q = sd_bus_call_method(
4372 "org.freedesktop.systemd1",
4373 "/org/freedesktop/systemd1",
4374 "org.freedesktop.systemd1.Manager",
4380 log_error("Failed to reset failed state of unit %s: %s",
4381 *name, bus_error_message(&error, r));
4390 static int show_environment(sd_bus *bus, char **args) {
4391 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4392 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4396 pager_open_if_enabled();
4398 r = sd_bus_get_property(
4400 "org.freedesktop.systemd1",
4401 "/org/freedesktop/systemd1",
4402 "org.freedesktop.systemd1.Manager",
4408 log_error("Failed to get environment: %s", bus_error_message(&error, r));
4412 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
4414 return bus_log_parse_error(r);
4416 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0)
4419 return bus_log_parse_error(r);
4421 r = sd_bus_message_exit_container(reply);
4423 return bus_log_parse_error(r);
4428 static int switch_root(sd_bus *bus, char **args) {
4429 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4430 _cleanup_free_ char *init = NULL;
4435 l = strv_length(args);
4436 if (l < 2 || l > 3) {
4437 log_error("Wrong number of arguments.");
4444 init = strdup(args[2]);
4446 parse_env_file("/proc/cmdline", WHITESPACE,
4457 log_debug("switching root - root: %s; init: %s", root, init);
4459 r = sd_bus_call_method(
4461 "org.freedesktop.systemd1",
4462 "/org/freedesktop/systemd1",
4463 "org.freedesktop.systemd1.Manager",
4469 log_error("Failed to switch root: %s", bus_error_message(&error, r));
4476 static int set_environment(sd_bus *bus, char **args) {
4477 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4478 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4485 method = streq(args[0], "set-environment")
4487 : "UnsetEnvironment";
4489 r = sd_bus_message_new_method_call(
4491 "org.freedesktop.systemd1",
4492 "/org/freedesktop/systemd1",
4493 "org.freedesktop.systemd1.Manager",
4497 return bus_log_create_error(r);
4499 r = sd_bus_message_append_strv(m, args + 1);
4501 return bus_log_create_error(r);
4503 r = sd_bus_call(bus, m, 0, &error, NULL);
4505 log_error("Failed to set environment: %s", bus_error_message(&error, r));
4512 static int import_environment(sd_bus *bus, char **args) {
4513 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4514 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4520 r = sd_bus_message_new_method_call(
4522 "org.freedesktop.systemd1",
4523 "/org/freedesktop/systemd1",
4524 "org.freedesktop.systemd1.Manager",
4528 return bus_log_create_error(r);
4530 if (strv_isempty(args + 1))
4531 r = sd_bus_message_append_strv(m, environ);
4535 r = sd_bus_message_open_container(m, 'a', "s");
4537 return bus_log_create_error(r);
4539 STRV_FOREACH(a, args + 1) {
4541 if (!env_name_is_valid(*a)) {
4542 log_error("Not a valid environment variable name: %s", *a);
4546 STRV_FOREACH(b, environ) {
4549 eq = startswith(*b, *a);
4550 if (eq && *eq == '=') {
4552 r = sd_bus_message_append(m, "s", *b);
4554 return bus_log_create_error(r);
4561 r = sd_bus_message_close_container(m);
4564 return bus_log_create_error(r);
4566 r = sd_bus_call(bus, m, 0, &error, NULL);
4568 log_error("Failed to import environment: %s", bus_error_message(&error, r));
4575 static int enable_sysv_units(const char *verb, char **args) {
4578 #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG)
4579 unsigned f = 1, t = 1;
4580 _cleanup_lookup_paths_free_ LookupPaths paths = {};
4582 if (arg_scope != UNIT_FILE_SYSTEM)
4585 if (!streq(verb, "enable") &&
4586 !streq(verb, "disable") &&
4587 !streq(verb, "is-enabled"))
4590 /* Processes all SysV units, and reshuffles the array so that
4591 * afterwards only the native units remain */
4593 r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, NULL, NULL, NULL);
4598 for (f = 0; args[f]; f++) {
4600 _cleanup_free_ char *p = NULL, *q = NULL;
4601 bool found_native = false, found_sysv;
4603 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
4611 if (!endswith(name, ".service"))
4614 if (path_is_absolute(name))
4617 STRV_FOREACH(k, paths.unit_path) {
4618 if (!isempty(arg_root))
4619 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
4621 asprintf(&p, "%s/%s", *k, name);
4628 found_native = access(p, F_OK) >= 0;
4639 if (!isempty(arg_root))
4640 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
4642 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
4648 p[strlen(p) - sizeof(".service") + 1] = 0;
4649 found_sysv = access(p, F_OK) >= 0;
4654 /* Mark this entry, so that we don't try enabling it as native unit */
4655 args[f] = (char*) "";
4657 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
4659 if (!isempty(arg_root))
4660 argv[c++] = q = strappend("--root=", arg_root);
4662 argv[c++] = basename(p);
4664 streq(verb, "enable") ? "on" :
4665 streq(verb, "disable") ? "off" : "--level=5";
4668 l = strv_join((char**)argv, " ");
4674 log_info("Executing %s", l);
4679 log_error("Failed to fork: %m");
4682 } else if (pid == 0) {
4685 execv(argv[0], (char**) argv);
4686 _exit(EXIT_FAILURE);
4689 j = wait_for_terminate(pid, &status);
4691 log_error("Failed to wait for child: %s", strerror(-r));
4696 if (status.si_code == CLD_EXITED) {
4697 if (streq(verb, "is-enabled")) {
4698 if (status.si_status == 0) {
4707 } else if (status.si_status != 0) {
4718 /* Drop all SysV units */
4719 for (f = 0, t = 0; args[f]; f++) {
4721 if (isempty(args[f]))
4724 args[t++] = args[f];
4733 static int mangle_names(char **original_names, char ***mangled_names) {
4734 char **i, **l, **name;
4736 l = new(char*, strv_length(original_names) + 1);
4741 STRV_FOREACH(name, original_names) {
4743 /* When enabling units qualified path names are OK,
4744 * too, hence allow them explicitly. */
4749 *i = unit_name_mangle(*name, MANGLE_NOGLOB);
4765 static int enable_unit(sd_bus *bus, char **args) {
4766 _cleanup_strv_free_ char **names = NULL;
4767 const char *verb = args[0];
4768 UnitFileChange *changes = NULL;
4769 unsigned n_changes = 0;
4770 int carries_install_info = -1;
4776 r = mangle_names(args+1, &names);
4780 r = enable_sysv_units(verb, names);
4784 /* If the operation was fully executed by the SysV compat,
4785 * let's finish early */
4786 if (strv_isempty(names))
4789 if (!bus || avoid_bus()) {
4790 if (streq(verb, "enable")) {
4791 r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
4792 carries_install_info = r;
4793 } else if (streq(verb, "disable"))
4794 r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
4795 else if (streq(verb, "reenable")) {
4796 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
4797 carries_install_info = r;
4798 } else if (streq(verb, "link"))
4799 r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
4800 else if (streq(verb, "preset")) {
4801 r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
4802 carries_install_info = r;
4803 } else if (streq(verb, "mask"))
4804 r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
4805 else if (streq(verb, "unmask"))
4806 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
4808 assert_not_reached("Unknown verb");
4811 log_error("Operation failed: %s", strerror(-r));
4816 dump_unit_file_changes(changes, n_changes);
4820 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
4821 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4822 int expect_carries_install_info = false;
4823 bool send_force = true;
4826 if (streq(verb, "enable")) {
4827 method = "EnableUnitFiles";
4828 expect_carries_install_info = true;
4829 } else if (streq(verb, "disable")) {
4830 method = "DisableUnitFiles";
4832 } else if (streq(verb, "reenable")) {
4833 method = "ReenableUnitFiles";
4834 expect_carries_install_info = true;
4835 } else if (streq(verb, "link"))
4836 method = "LinkUnitFiles";
4837 else if (streq(verb, "preset")) {
4838 method = "PresetUnitFiles";
4839 expect_carries_install_info = true;
4840 } else if (streq(verb, "mask"))
4841 method = "MaskUnitFiles";
4842 else if (streq(verb, "unmask")) {
4843 method = "UnmaskUnitFiles";
4846 assert_not_reached("Unknown verb");
4848 r = sd_bus_message_new_method_call(
4850 "org.freedesktop.systemd1",
4851 "/org/freedesktop/systemd1",
4852 "org.freedesktop.systemd1.Manager",
4856 return bus_log_create_error(r);
4858 r = sd_bus_message_append_strv(m, names);
4860 return bus_log_create_error(r);
4862 r = sd_bus_message_append(m, "b", arg_runtime);
4864 return bus_log_create_error(r);
4867 r = sd_bus_message_append(m, "b", arg_force);
4869 return bus_log_create_error(r);
4872 r = sd_bus_call(bus, m, 0, &error, &reply);
4874 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
4878 if (expect_carries_install_info) {
4879 r = sd_bus_message_read(reply, "b", &carries_install_info);
4881 return bus_log_parse_error(r);
4884 r = deserialize_and_dump_unit_file_changes(reply);
4888 /* Try to reload if enabeld */
4890 r = daemon_reload(bus, args);
4895 if (carries_install_info == 0)
4896 log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
4897 "using systemctl.\n"
4898 "Possible reasons for having this kind of units are:\n"
4899 "1) A unit may be statically enabled by being symlinked from another unit's\n"
4900 " .wants/ or .requires/ directory.\n"
4901 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
4902 " a requirement dependency on it.\n"
4903 "3) A unit may be started when needed via activation (socket, path, timer,\n"
4904 " D-Bus, udev, scripted systemctl call, ...).\n");
4907 unit_file_changes_free(changes, n_changes);
4912 static int unit_is_enabled(sd_bus *bus, char **args) {
4914 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4915 _cleanup_strv_free_ char **names = NULL;
4920 r = mangle_names(args+1, &names);
4924 r = enable_sysv_units(args[0], names);
4930 if (!bus || avoid_bus()) {
4932 STRV_FOREACH(name, names) {
4933 UnitFileState state;
4935 state = unit_file_get_state(arg_scope, arg_root, *name);
4937 log_error("Failed to get unit file state for %s: %s", *name, strerror(-state));
4941 if (state == UNIT_FILE_ENABLED ||
4942 state == UNIT_FILE_ENABLED_RUNTIME ||
4943 state == UNIT_FILE_STATIC)
4947 puts(unit_file_state_to_string(state));
4951 STRV_FOREACH(name, names) {
4952 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4955 r = sd_bus_call_method(
4957 "org.freedesktop.systemd1",
4958 "/org/freedesktop/systemd1",
4959 "org.freedesktop.systemd1.Manager",
4965 log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
4969 r = sd_bus_message_read(reply, "s", &s);
4971 return bus_log_parse_error(r);
4973 if (streq(s, "enabled") ||
4974 streq(s, "enabled-runtime") ||
4986 static int systemctl_help(void) {
4988 pager_open_if_enabled();
4990 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
4991 "Query or send control commands to the systemd manager.\n\n"
4992 " -h --help Show this help\n"
4993 " --version Show package version\n"
4994 " --system Connect to system manager\n"
4995 " --user Connect to user service manager\n"
4996 " -H --host=[USER@]HOST\n"
4997 " Operate on remote host\n"
4998 " -M --machine=CONTAINER\n"
4999 " Operate on local container\n"
5000 " -t --type=TYPE List only units of a particular type\n"
5001 " --state=STATE List only units with particular LOAD or SUB or ACTIVE state\n"
5002 " -p --property=NAME Show only properties by this name\n"
5003 " -a --all Show all loaded units/properties, including dead/empty\n"
5004 " ones. To list all units installed on the system, use\n"
5005 " the 'list-unit-files' command instead.\n"
5006 " -l --full Don't ellipsize unit names on output\n"
5007 " --reverse Show reverse dependencies with 'list-dependencies'\n"
5008 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
5009 " queueing a new job\n"
5010 " --show-types When showing sockets, explicitly show their type\n"
5011 " -i --ignore-inhibitors\n"
5012 " When shutting down or sleeping, ignore inhibitors\n"
5013 " --kill-who=WHO Who to send signal to\n"
5014 " -s --signal=SIGNAL Which signal to send\n"
5015 " -q --quiet Suppress output\n"
5016 " --no-block Do not wait until operation finished\n"
5017 " --no-wall Don't send wall message before halt/power-off/reboot\n"
5018 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
5020 " --no-legend Do not print a legend (column headers and hints)\n"
5021 " --no-pager Do not pipe output into a pager\n"
5022 " --no-ask-password\n"
5023 " Do not ask for system passwords\n"
5024 " --global Enable/disable unit files globally\n"
5025 " --runtime Enable unit files only temporarily until next reboot\n"
5026 " -f --force When enabling unit files, override existing symlinks\n"
5027 " When shutting down, execute action immediately\n"
5028 " --root=PATH Enable unit files in the specified root directory\n"
5029 " -n --lines=INTEGER Number of journal entries to show\n"
5030 " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
5031 " verbose, export, json, json-pretty, json-sse, cat)\n"
5032 " --plain Print unit dependencies as a list instead of a tree\n\n"
5034 " list-units [PATTERN...] List loaded units\n"
5035 " list-sockets [PATTERN...] List loaded sockets ordered by address\n"
5036 " list-timers [PATTERN...] List loaded timers ordered by next elapse\n"
5037 " start NAME... Start (activate) one or more units\n"
5038 " stop NAME... Stop (deactivate) one or more units\n"
5039 " reload NAME... Reload one or more units\n"
5040 " restart NAME... Start or restart one or more units\n"
5041 " try-restart NAME... Restart one or more units if active\n"
5042 " reload-or-restart NAME... Reload one or more units if possible,\n"
5043 " otherwise start or restart\n"
5044 " reload-or-try-restart NAME... Reload one or more units if possible,\n"
5045 " otherwise restart if active\n"
5046 " isolate NAME Start one unit and stop all others\n"
5047 " kill NAME... Send signal to processes of a unit\n"
5048 " is-active NAME... Check whether units are active\n"
5049 " is-failed NAME... Check whether units are failed\n"
5050 " status [NAME...|PID...] Show runtime status of one or more units\n"
5051 " show [NAME...|JOB...] Show properties of one or more\n"
5052 " units/jobs or the manager\n"
5053 " cat NAME... Show files and drop-ins of one or more units\n"
5054 " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n"
5055 " help NAME...|PID... Show manual for one or more units\n"
5056 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
5058 " list-dependencies [NAME] Recursively show units which are required\n"
5059 " or wanted by this unit or by which this\n"
5060 " unit is required or wanted\n\n"
5061 "Unit File Commands:\n"
5062 " list-unit-files [PATTERN...] List installed unit files\n"
5063 " enable NAME... Enable one or more unit files\n"
5064 " disable NAME... Disable one or more unit files\n"
5065 " reenable NAME... Reenable one or more unit files\n"
5066 " preset NAME... Enable/disable one or more unit files\n"
5067 " based on preset configuration\n"
5068 " is-enabled NAME... Check whether unit files are enabled\n\n"
5069 " mask NAME... Mask one or more units\n"
5070 " unmask NAME... Unmask one or more units\n"
5071 " link PATH... Link one or more units files into\n"
5072 " the search path\n"
5073 " get-default Get the name of the default target\n"
5074 " set-default NAME Set the default target\n\n"
5076 " list-jobs [PATTERN...] List jobs\n"
5077 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
5078 "Snapshot Commands:\n"
5079 " snapshot [NAME] Create a snapshot\n"
5080 " delete NAME... Remove one or more snapshots\n\n"
5081 "Environment Commands:\n"
5082 " show-environment Dump environment\n"
5083 " set-environment NAME=VALUE... Set one or more environment variables\n"
5084 " unset-environment NAME... Unset one or more environment variables\n"
5085 " import-environment NAME... Import all, one or more environment variables\n\n"
5086 "Manager Lifecycle Commands:\n"
5087 " daemon-reload Reload systemd manager configuration\n"
5088 " daemon-reexec Reexecute systemd manager\n\n"
5089 "System Commands:\n"
5090 " default Enter system default mode\n"
5091 " rescue Enter system rescue mode\n"
5092 " emergency Enter system emergency mode\n"
5093 " halt Shut down and halt the system\n"
5094 " poweroff Shut down and power-off the system\n"
5095 " reboot [ARG] Shut down and reboot the system\n"
5096 " kexec Shut down and reboot the system with kexec\n"
5097 " exit Request user instance exit\n"
5098 " switch-root ROOT [INIT] Change to a different root file system\n"
5099 " suspend Suspend the system\n"
5100 " hibernate Hibernate the system\n"
5101 " hybrid-sleep Hibernate and suspend the system\n",
5102 program_invocation_short_name);
5107 static int halt_help(void) {
5109 printf("%s [OPTIONS...]%s\n\n"
5110 "%s the system.\n\n"
5111 " --help Show this help\n"
5112 " --halt Halt the machine\n"
5113 " -p --poweroff Switch off the machine\n"
5114 " --reboot Reboot the machine\n"
5115 " -f --force Force immediate halt/power-off/reboot\n"
5116 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
5117 " -d --no-wtmp Don't write wtmp record\n"
5118 " --no-wall Don't send wall message before halt/power-off/reboot\n",
5119 program_invocation_short_name,
5120 arg_action == ACTION_REBOOT ? " [ARG]" : "",
5121 arg_action == ACTION_REBOOT ? "Reboot" :
5122 arg_action == ACTION_POWEROFF ? "Power off" :
5128 static int shutdown_help(void) {
5130 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
5131 "Shut down the system.\n\n"
5132 " --help Show this help\n"
5133 " -H --halt Halt the machine\n"
5134 " -P --poweroff Power-off the machine\n"
5135 " -r --reboot Reboot the machine\n"
5136 " -h Equivalent to --poweroff, overridden by --halt\n"
5137 " -k Don't halt/power-off/reboot, just send warnings\n"
5138 " --no-wall Don't send wall message before halt/power-off/reboot\n"
5139 " -c Cancel a pending shutdown\n",
5140 program_invocation_short_name);
5145 static int telinit_help(void) {
5147 printf("%s [OPTIONS...] {COMMAND}\n\n"
5148 "Send control commands to the init daemon.\n\n"
5149 " --help Show this help\n"
5150 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
5152 " 0 Power-off the machine\n"
5153 " 6 Reboot the machine\n"
5154 " 2, 3, 4, 5 Start runlevelX.target unit\n"
5155 " 1, s, S Enter rescue mode\n"
5156 " q, Q Reload init daemon configuration\n"
5157 " u, U Reexecute init daemon\n",
5158 program_invocation_short_name);
5163 static int runlevel_help(void) {
5165 printf("%s [OPTIONS...]\n\n"
5166 "Prints the previous and current runlevel of the init system.\n\n"
5167 " --help Show this help\n",
5168 program_invocation_short_name);
5173 static int help_types(void) {
5177 puts("Available unit types:");
5178 for (i = 0; i < _UNIT_TYPE_MAX; i++) {
5179 t = unit_type_to_string(i);
5187 static int systemctl_parse_argv(int argc, char *argv[]) {
5196 ARG_IGNORE_DEPENDENCIES,
5208 ARG_NO_ASK_PASSWORD,
5217 static const struct option options[] = {
5218 { "help", no_argument, NULL, 'h' },
5219 { "version", no_argument, NULL, ARG_VERSION },
5220 { "type", required_argument, NULL, 't' },
5221 { "property", required_argument, NULL, 'p' },
5222 { "all", no_argument, NULL, 'a' },
5223 { "reverse", no_argument, NULL, ARG_REVERSE },
5224 { "after", no_argument, NULL, ARG_AFTER },
5225 { "before", no_argument, NULL, ARG_BEFORE },
5226 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
5227 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
5228 { "full", no_argument, NULL, 'l' },
5229 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
5230 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
5231 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
5232 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
5233 { "ignore-inhibitors", no_argument, NULL, 'i' },
5234 { "user", no_argument, NULL, ARG_USER },
5235 { "system", no_argument, NULL, ARG_SYSTEM },
5236 { "global", no_argument, NULL, ARG_GLOBAL },
5237 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
5238 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
5239 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
5240 { "no-wall", no_argument, NULL, ARG_NO_WALL },
5241 { "quiet", no_argument, NULL, 'q' },
5242 { "root", required_argument, NULL, ARG_ROOT },
5243 { "force", no_argument, NULL, ARG_FORCE },
5244 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
5245 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
5246 { "signal", required_argument, NULL, 's' },
5247 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
5248 { "host", required_argument, NULL, 'H' },
5249 { "machine", required_argument, NULL, 'M' },
5250 { "runtime", no_argument, NULL, ARG_RUNTIME },
5251 { "lines", required_argument, NULL, 'n' },
5252 { "output", required_argument, NULL, 'o' },
5253 { "plain", no_argument, NULL, ARG_PLAIN },
5254 { "state", required_argument, NULL, ARG_STATE },
5263 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:i", options, NULL)) >= 0) {
5268 return systemctl_help();
5271 puts(PACKAGE_STRING);
5272 puts(SYSTEMD_FEATURES);
5279 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
5280 _cleanup_free_ char *type;
5282 type = strndup(word, size);
5286 if (streq(type, "help")) {
5291 if (unit_type_from_string(type) >= 0) {
5292 if (strv_push(&arg_types, type))
5298 /* It's much nicer to use --state= for
5299 * load states, but let's support this
5300 * in --types= too for compatibility
5301 * with old versions */
5302 if (unit_load_state_from_string(optarg) >= 0) {
5303 if (strv_push(&arg_states, type) < 0)
5309 log_error("Unknown unit type or load state '%s'.", type);
5310 log_info("Use -t help to see a list of allowed values.");
5318 /* Make sure that if the empty property list
5319 was specified, we won't show any properties. */
5320 if (isempty(optarg) && !arg_properties) {
5321 arg_properties = new0(char*, 1);
5322 if (!arg_properties)
5328 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
5331 prop = strndup(word, size);
5335 if (strv_push(&arg_properties, prop) < 0) {
5342 /* If the user asked for a particular
5343 * property, show it to him, even if it is
5355 arg_dependency = DEPENDENCY_REVERSE;
5359 arg_dependency = DEPENDENCY_AFTER;
5363 arg_dependency = DEPENDENCY_BEFORE;
5366 case ARG_SHOW_TYPES:
5367 arg_show_types = true;
5371 arg_job_mode = optarg;
5375 arg_job_mode = "fail";
5378 case ARG_IRREVERSIBLE:
5379 arg_job_mode = "replace-irreversibly";
5382 case ARG_IGNORE_DEPENDENCIES:
5383 arg_job_mode = "ignore-dependencies";
5387 arg_scope = UNIT_FILE_USER;
5391 arg_scope = UNIT_FILE_SYSTEM;
5395 arg_scope = UNIT_FILE_GLOBAL;
5399 arg_no_block = true;
5403 arg_no_legend = true;
5407 arg_no_pager = true;
5423 if (strv_extend(&arg_states, "failed") < 0)
5441 arg_no_reload = true;
5445 arg_kill_who = optarg;
5449 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
5450 log_error("Failed to parse signal string %s.", optarg);
5455 case ARG_NO_ASK_PASSWORD:
5456 arg_ask_password = false;
5460 arg_transport = BUS_TRANSPORT_REMOTE;
5465 arg_transport = BUS_TRANSPORT_CONTAINER;
5474 if (safe_atou(optarg, &arg_lines) < 0) {
5475 log_error("Failed to parse lines '%s'", optarg);
5481 arg_output = output_mode_from_string(optarg);
5482 if (arg_output < 0) {
5483 log_error("Unknown output '%s'.", optarg);
5489 arg_ignore_inhibitors = true;
5500 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
5503 s = strndup(word, size);
5507 if (strv_push(&arg_states, s) < 0) {
5519 assert_not_reached("Unhandled option");
5523 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
5524 log_error("Cannot access user instance remotely.");
5531 static int halt_parse_argv(int argc, char *argv[]) {
5540 static const struct option options[] = {
5541 { "help", no_argument, NULL, ARG_HELP },
5542 { "halt", no_argument, NULL, ARG_HALT },
5543 { "poweroff", no_argument, NULL, 'p' },
5544 { "reboot", no_argument, NULL, ARG_REBOOT },
5545 { "force", no_argument, NULL, 'f' },
5546 { "wtmp-only", no_argument, NULL, 'w' },
5547 { "no-wtmp", no_argument, NULL, 'd' },
5548 { "no-wall", no_argument, NULL, ARG_NO_WALL },
5557 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
5558 if (runlevel == '0' || runlevel == '6')
5561 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
5568 arg_action = ACTION_HALT;
5572 if (arg_action != ACTION_REBOOT)
5573 arg_action = ACTION_POWEROFF;
5577 arg_action = ACTION_REBOOT;
5599 /* Compatibility nops */
5606 assert_not_reached("Unhandled option");
5610 if (arg_action == ACTION_REBOOT && argc == optind + 1) {
5611 r = write_string_file(REBOOT_PARAM_FILE, argv[optind]);
5613 log_error("Failed to write reboot param to "
5614 REBOOT_PARAM_FILE": %s", strerror(-r));
5617 } else if (optind < argc) {
5618 log_error("Too many arguments.");
5625 static int parse_time_spec(const char *t, usec_t *_u) {
5629 if (streq(t, "now"))
5631 else if (!strchr(t, ':')) {
5634 if (safe_atou64(t, &u) < 0)
5637 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
5646 hour = strtol(t, &e, 10);
5647 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
5650 minute = strtol(e+1, &e, 10);
5651 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
5654 n = now(CLOCK_REALTIME);
5655 s = (time_t) (n / USEC_PER_SEC);
5657 assert_se(localtime_r(&s, &tm));
5659 tm.tm_hour = (int) hour;
5660 tm.tm_min = (int) minute;
5663 assert_se(s = mktime(&tm));
5665 *_u = (usec_t) s * USEC_PER_SEC;
5668 *_u += USEC_PER_DAY;
5674 static int shutdown_parse_argv(int argc, char *argv[]) {
5681 static const struct option options[] = {
5682 { "help", no_argument, NULL, ARG_HELP },
5683 { "halt", no_argument, NULL, 'H' },
5684 { "poweroff", no_argument, NULL, 'P' },
5685 { "reboot", no_argument, NULL, 'r' },
5686 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
5687 { "no-wall", no_argument, NULL, ARG_NO_WALL },
5696 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
5700 return shutdown_help();
5703 arg_action = ACTION_HALT;
5707 arg_action = ACTION_POWEROFF;
5712 arg_action = ACTION_KEXEC;
5714 arg_action = ACTION_REBOOT;
5718 arg_action = ACTION_KEXEC;
5722 if (arg_action != ACTION_HALT)
5723 arg_action = ACTION_POWEROFF;
5736 /* Compatibility nops */
5740 arg_action = ACTION_CANCEL_SHUTDOWN;
5747 assert_not_reached("Unhandled option");
5751 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
5752 r = parse_time_spec(argv[optind], &arg_when);
5754 log_error("Failed to parse time specification: %s", argv[optind]);
5758 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
5760 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
5761 /* No time argument for shutdown cancel */
5762 arg_wall = argv + optind;
5763 else if (argc > optind + 1)
5764 /* We skip the time argument */
5765 arg_wall = argv + optind + 1;
5772 static int telinit_parse_argv(int argc, char *argv[]) {
5779 static const struct option options[] = {
5780 { "help", no_argument, NULL, ARG_HELP },
5781 { "no-wall", no_argument, NULL, ARG_NO_WALL },
5785 static const struct {
5789 { '0', ACTION_POWEROFF },
5790 { '6', ACTION_REBOOT },
5791 { '1', ACTION_RESCUE },
5792 { '2', ACTION_RUNLEVEL2 },
5793 { '3', ACTION_RUNLEVEL3 },
5794 { '4', ACTION_RUNLEVEL4 },
5795 { '5', ACTION_RUNLEVEL5 },
5796 { 's', ACTION_RESCUE },
5797 { 'S', ACTION_RESCUE },
5798 { 'q', ACTION_RELOAD },
5799 { 'Q', ACTION_RELOAD },
5800 { 'u', ACTION_REEXEC },
5801 { 'U', ACTION_REEXEC }
5810 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
5814 return telinit_help();
5824 assert_not_reached("Unhandled option");
5828 if (optind >= argc) {
5833 if (optind + 1 < argc) {
5834 log_error("Too many arguments.");
5838 if (strlen(argv[optind]) != 1) {
5839 log_error("Expected single character argument.");
5843 for (i = 0; i < ELEMENTSOF(table); i++)
5844 if (table[i].from == argv[optind][0])
5847 if (i >= ELEMENTSOF(table)) {
5848 log_error("Unknown command '%s'.", argv[optind]);
5852 arg_action = table[i].to;
5859 static int runlevel_parse_argv(int argc, char *argv[]) {
5865 static const struct option options[] = {
5866 { "help", no_argument, NULL, ARG_HELP },
5875 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
5879 return runlevel_help();
5886 assert_not_reached("Unhandled option");
5890 if (optind < argc) {
5891 log_error("Too many arguments.");
5898 static int parse_argv(int argc, char *argv[]) {
5902 if (program_invocation_short_name) {
5904 if (strstr(program_invocation_short_name, "halt")) {
5905 arg_action = ACTION_HALT;
5906 return halt_parse_argv(argc, argv);
5907 } else if (strstr(program_invocation_short_name, "poweroff")) {
5908 arg_action = ACTION_POWEROFF;
5909 return halt_parse_argv(argc, argv);
5910 } else if (strstr(program_invocation_short_name, "reboot")) {
5912 arg_action = ACTION_KEXEC;
5914 arg_action = ACTION_REBOOT;
5915 return halt_parse_argv(argc, argv);
5916 } else if (strstr(program_invocation_short_name, "shutdown")) {
5917 arg_action = ACTION_POWEROFF;
5918 return shutdown_parse_argv(argc, argv);
5919 } else if (strstr(program_invocation_short_name, "init")) {
5921 if (sd_booted() > 0) {
5922 arg_action = _ACTION_INVALID;
5923 return telinit_parse_argv(argc, argv);
5925 /* Hmm, so some other init system is
5926 * running, we need to forward this
5927 * request to it. For now we simply
5928 * guess that it is Upstart. */
5930 execv(TELINIT, argv);
5932 log_error("Couldn't find an alternative telinit implementation to spawn.");
5936 } else if (strstr(program_invocation_short_name, "runlevel")) {
5937 arg_action = ACTION_RUNLEVEL;
5938 return runlevel_parse_argv(argc, argv);
5942 arg_action = ACTION_SYSTEMCTL;
5943 return systemctl_parse_argv(argc, argv);
5946 _pure_ static int action_to_runlevel(void) {
5948 static const char table[_ACTION_MAX] = {
5949 [ACTION_HALT] = '0',
5950 [ACTION_POWEROFF] = '0',
5951 [ACTION_REBOOT] = '6',
5952 [ACTION_RUNLEVEL2] = '2',
5953 [ACTION_RUNLEVEL3] = '3',
5954 [ACTION_RUNLEVEL4] = '4',
5955 [ACTION_RUNLEVEL5] = '5',
5956 [ACTION_RESCUE] = '1'
5959 assert(arg_action < _ACTION_MAX);
5961 return table[arg_action];
5964 static int talk_initctl(void) {
5966 struct init_request request = {
5967 .magic = INIT_MAGIC,
5969 .cmd = INIT_CMD_RUNLVL
5972 _cleanup_close_ int fd = -1;
5976 rl = action_to_runlevel();
5980 request.runlevel = rl;
5982 fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
5984 if (errno == ENOENT)
5987 log_error("Failed to open "INIT_FIFO": %m");
5992 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
5994 log_error("Failed to write to "INIT_FIFO": %m");
5995 return errno > 0 ? -errno : -EIO;
6001 static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
6003 static const struct {
6011 int (* const dispatch)(sd_bus *bus, char **args);
6017 { "list-units", MORE, 0, list_units },
6018 { "list-unit-files", MORE, 1, list_unit_files, NOBUS },
6019 { "list-sockets", MORE, 1, list_sockets },
6020 { "list-timers", MORE, 1, list_timers },
6021 { "list-jobs", MORE, 1, list_jobs },
6022 { "clear-jobs", EQUAL, 1, daemon_reload },
6023 { "cancel", MORE, 2, cancel_job },
6024 { "start", MORE, 2, start_unit },
6025 { "stop", MORE, 2, start_unit },
6026 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
6027 { "reload", MORE, 2, start_unit },
6028 { "restart", MORE, 2, start_unit },
6029 { "try-restart", MORE, 2, start_unit },
6030 { "reload-or-restart", MORE, 2, start_unit },
6031 { "reload-or-try-restart", MORE, 2, start_unit },
6032 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
6033 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
6034 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
6035 { "isolate", EQUAL, 2, start_unit },
6036 { "kill", MORE, 2, kill_unit },
6037 { "is-active", MORE, 2, check_unit_active },
6038 { "check", MORE, 2, check_unit_active },
6039 { "is-failed", MORE, 2, check_unit_failed },
6040 { "show", MORE, 1, show },
6041 { "cat", MORE, 2, cat },
6042 { "status", MORE, 1, show },
6043 { "help", MORE, 2, show },
6044 { "snapshot", LESS, 2, snapshot },
6045 { "delete", MORE, 2, delete_snapshot },
6046 { "daemon-reload", EQUAL, 1, daemon_reload },
6047 { "daemon-reexec", EQUAL, 1, daemon_reload },
6048 { "show-environment", EQUAL, 1, show_environment },
6049 { "set-environment", MORE, 2, set_environment },
6050 { "unset-environment", MORE, 2, set_environment },
6051 { "import-environment", MORE, 1, import_environment},
6052 { "halt", EQUAL, 1, start_special, FORCE },
6053 { "poweroff", EQUAL, 1, start_special, FORCE },
6054 { "reboot", EQUAL, 1, start_special, FORCE },
6055 { "kexec", EQUAL, 1, start_special },
6056 { "suspend", EQUAL, 1, start_special },
6057 { "hibernate", EQUAL, 1, start_special },
6058 { "hybrid-sleep", EQUAL, 1, start_special },
6059 { "default", EQUAL, 1, start_special },
6060 { "rescue", EQUAL, 1, start_special },
6061 { "emergency", EQUAL, 1, start_special },
6062 { "exit", EQUAL, 1, start_special },
6063 { "reset-failed", MORE, 1, reset_failed },
6064 { "enable", MORE, 2, enable_unit, NOBUS },
6065 { "disable", MORE, 2, enable_unit, NOBUS },
6066 { "is-enabled", MORE, 2, unit_is_enabled, NOBUS },
6067 { "reenable", MORE, 2, enable_unit, NOBUS },
6068 { "preset", MORE, 2, enable_unit, NOBUS },
6069 { "mask", MORE, 2, enable_unit, NOBUS },
6070 { "unmask", MORE, 2, enable_unit, NOBUS },
6071 { "link", MORE, 2, enable_unit, NOBUS },
6072 { "switch-root", MORE, 2, switch_root },
6073 { "list-dependencies", LESS, 2, list_dependencies },
6074 { "set-default", EQUAL, 2, set_default, NOBUS },
6075 { "get-default", EQUAL, 1, get_default, NOBUS },
6076 { "set-property", MORE, 3, set_property },
6085 left = argc - optind;
6087 /* Special rule: no arguments (left == 0) means "list-units" */
6089 if (streq(argv[optind], "help") && !argv[optind+1]) {
6090 log_error("This command expects one or more "
6091 "unit names. Did you mean --help?");
6095 for (; verb->verb; verb++)
6096 if (streq(argv[optind], verb->verb))
6099 log_error("Unknown operation '%s'.", argv[optind]);
6104 switch (verb->argc_cmp) {
6107 if (left != verb->argc) {
6108 log_error("Invalid number of arguments.");
6115 if (left < verb->argc) {
6116 log_error("Too few arguments.");
6123 if (left > verb->argc) {
6124 log_error("Too many arguments.");
6131 assert_not_reached("Unknown comparison operator.");
6134 /* Require a bus connection for all operations but
6136 if (verb->bus == NOBUS) {
6137 if (!bus && !avoid_bus()) {
6138 log_error("Failed to get D-Bus connection: %s", strerror(-bus_error));
6143 if (running_in_chroot() > 0) {
6144 log_info("Running in chroot, ignoring request.");
6148 if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
6149 log_error("Failed to get D-Bus connection: %s", strerror(-bus_error));
6154 return verb->dispatch(bus, argv + optind);
6157 static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
6159 struct sd_shutdown_command c = {
6166 union sockaddr_union sockaddr = {
6167 .un.sun_family = AF_UNIX,
6168 .un.sun_path = "/run/systemd/shutdownd",
6171 struct iovec iovec[2] = {{
6172 .iov_base = (char*) &c,
6173 .iov_len = offsetof(struct sd_shutdown_command, wall_message),
6176 struct msghdr msghdr = {
6177 .msg_name = &sockaddr,
6178 .msg_namelen = offsetof(struct sockaddr_un, sun_path)
6179 + sizeof("/run/systemd/shutdownd") - 1,
6184 _cleanup_close_ int fd;
6186 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
6190 if (!isempty(message)) {
6191 iovec[1].iov_base = (char*) message;
6192 iovec[1].iov_len = strlen(message);
6193 msghdr.msg_iovlen++;
6196 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0)
6202 static int reload_with_fallback(sd_bus *bus) {
6205 /* First, try systemd via D-Bus. */
6206 if (daemon_reload(bus, NULL) >= 0)
6210 /* Nothing else worked, so let's try signals */
6211 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
6213 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
6214 log_error("kill() failed: %m");
6221 static int start_with_fallback(sd_bus *bus) {
6224 /* First, try systemd via D-Bus. */
6225 if (start_unit(bus, NULL) >= 0)
6229 /* Nothing else worked, so let's try
6231 if (talk_initctl() > 0)
6234 log_error("Failed to talk to init daemon.");
6238 warn_wall(arg_action);
6242 static int halt_now(enum action a) {
6244 /* Make sure C-A-D is handled by the kernel from this
6246 reboot(RB_ENABLE_CAD);
6251 log_info("Halting.");
6252 reboot(RB_HALT_SYSTEM);
6255 case ACTION_POWEROFF:
6256 log_info("Powering off.");
6257 reboot(RB_POWER_OFF);
6260 case ACTION_REBOOT: {
6261 _cleanup_free_ char *param = NULL;
6263 if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) {
6264 log_info("Rebooting with argument '%s'.", param);
6265 syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
6266 LINUX_REBOOT_CMD_RESTART2, param);
6269 log_info("Rebooting.");
6270 reboot(RB_AUTOBOOT);
6275 assert_not_reached("Unknown action.");
6279 static int halt_main(sd_bus *bus) {
6282 r = check_inhibitors(bus, arg_action);
6286 if (geteuid() != 0) {
6287 /* Try logind if we are a normal user and no special
6288 * mode applies. Maybe PolicyKit allows us to shutdown
6291 if (arg_when <= 0 &&
6294 (arg_action == ACTION_POWEROFF ||
6295 arg_action == ACTION_REBOOT)) {
6296 r = reboot_with_logind(bus, arg_action);
6301 log_error("Must be root.");
6306 _cleanup_free_ char *m;
6308 m = strv_join(arg_wall, " ");
6312 r = send_shutdownd(arg_when,
6313 arg_action == ACTION_HALT ? 'H' :
6314 arg_action == ACTION_POWEROFF ? 'P' :
6315 arg_action == ACTION_KEXEC ? 'K' :
6322 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
6324 char date[FORMAT_TIMESTAMP_MAX];
6326 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
6327 format_timestamp(date, sizeof(date), arg_when));
6332 if (!arg_dry && !arg_force)
6333 return start_with_fallback(bus);
6336 if (sd_booted() > 0)
6337 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
6339 r = utmp_put_shutdown();
6341 log_warning("Failed to write utmp record: %s", strerror(-r));
6348 r = halt_now(arg_action);
6349 log_error("Failed to reboot: %s", strerror(-r));
6354 static int runlevel_main(void) {
6355 int r, runlevel, previous;
6357 r = utmp_get_runlevel(&runlevel, &previous);
6364 previous <= 0 ? 'N' : previous,
6365 runlevel <= 0 ? 'N' : runlevel);
6370 int main(int argc, char*argv[]) {
6371 _cleanup_bus_unref_ sd_bus *bus = NULL;
6374 setlocale(LC_ALL, "");
6375 log_parse_environment();
6378 /* Explicitly not on_tty() to avoid setting cached value.
6379 * This becomes relevant for piping output which might be
6381 original_stdout_is_tty = isatty(STDOUT_FILENO);
6383 r = parse_argv(argc, argv);
6387 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
6388 * let's shortcut this */
6389 if (arg_action == ACTION_RUNLEVEL) {
6390 r = runlevel_main();
6394 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
6395 log_info("Running in chroot, ignoring request.");
6401 r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
6403 /* systemctl_main() will print an error message for the bus
6404 * connection, but only if it needs to */
6406 switch (arg_action) {
6408 case ACTION_SYSTEMCTL:
6409 r = systemctl_main(bus, argc, argv, r);
6413 case ACTION_POWEROFF:
6419 case ACTION_RUNLEVEL2:
6420 case ACTION_RUNLEVEL3:
6421 case ACTION_RUNLEVEL4:
6422 case ACTION_RUNLEVEL5:
6424 case ACTION_EMERGENCY:
6425 case ACTION_DEFAULT:
6426 r = start_with_fallback(bus);
6431 r = reload_with_fallback(bus);
6434 case ACTION_CANCEL_SHUTDOWN: {
6435 _cleanup_free_ char *m = NULL;
6438 m = strv_join(arg_wall, " ");
6445 r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m);
6447 log_warning("Failed to talk to shutdownd, shutdown hasn't been cancelled: %s", strerror(-r));
6451 case ACTION_RUNLEVEL:
6452 case _ACTION_INVALID:
6454 assert_not_reached("Unknown action");
6459 ask_password_agent_close();
6460 polkit_agent_close();
6462 strv_free(arg_types);
6463 strv_free(arg_states);
6464 strv_free(arg_properties);
6466 return r < 0 ? EXIT_FAILURE : r;