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"
73 #include "bus-message.h"
74 #include "bus-error.h"
75 #include "bus-common-errors.h"
79 static char **arg_types = NULL;
80 static char **arg_states = NULL;
81 static char **arg_properties = NULL;
82 static bool arg_all = false;
83 static enum dependency {
89 } arg_dependency = DEPENDENCY_FORWARD;
90 static const char *arg_job_mode = "replace";
91 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
92 static bool arg_no_block = false;
93 static bool arg_no_legend = false;
94 static bool arg_no_pager = false;
95 static bool arg_no_wtmp = false;
96 static bool arg_no_wall = false;
97 static bool arg_no_reload = false;
98 static bool arg_show_types = false;
99 static bool arg_ignore_inhibitors = false;
100 static bool arg_dry = false;
101 static bool arg_quiet = false;
102 static bool arg_full = false;
103 static bool arg_recursive = false;
104 static int arg_force = 0;
105 static bool arg_ask_password = true;
106 static bool arg_runtime = false;
107 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
108 static char **arg_wall = NULL;
109 static const char *arg_kill_who = NULL;
110 static int arg_signal = SIGTERM;
111 static const char *arg_root = NULL;
112 static usec_t arg_when = 0;
134 ACTION_CANCEL_SHUTDOWN,
136 } arg_action = ACTION_SYSTEMCTL;
137 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
138 static char *arg_host = NULL;
139 static unsigned arg_lines = 10;
140 static OutputMode arg_output = OUTPUT_SHORT;
141 static bool arg_plain = false;
143 static bool original_stdout_is_tty;
145 static int daemon_reload(sd_bus *bus, char **args);
146 static int halt_now(enum action a);
147 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
149 static char** strv_skip_first(char **strv) {
150 if (strv_length(strv) > 0)
155 static void pager_open_if_enabled(void) {
163 static void ask_password_agent_open_if_enabled(void) {
165 /* Open the password agent as a child process if necessary */
167 if (!arg_ask_password)
170 if (arg_scope != UNIT_FILE_SYSTEM)
173 if (arg_transport != BUS_TRANSPORT_LOCAL)
176 ask_password_agent_open();
179 static void polkit_agent_open_if_enabled(void) {
181 /* Open the polkit agent as a child process if necessary */
183 if (!arg_ask_password)
186 if (arg_scope != UNIT_FILE_SYSTEM)
189 if (arg_transport != BUS_TRANSPORT_LOCAL)
195 static OutputFlags get_output_flags(void) {
197 arg_all * OUTPUT_SHOW_ALL |
198 arg_full * OUTPUT_FULL_WIDTH |
199 (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
200 on_tty() * OUTPUT_COLOR |
201 !arg_quiet * OUTPUT_WARN_CUTOFF;
204 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
207 if (!sd_bus_error_is_set(error))
210 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
211 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
212 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
213 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
214 return EXIT_NOPERMISSION;
216 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
217 return EXIT_NOTINSTALLED;
219 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
220 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
221 return EXIT_NOTIMPLEMENTED;
223 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
224 return EXIT_NOTCONFIGURED;
232 static void warn_wall(enum action a) {
233 static const char *table[_ACTION_MAX] = {
234 [ACTION_HALT] = "The system is going down for system halt NOW!",
235 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
236 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
237 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
238 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
239 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!",
240 [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!"
247 _cleanup_free_ char *p;
249 p = strv_join(arg_wall, " ");
256 utmp_wall(p, NULL, NULL);
264 utmp_wall(table[a], NULL, NULL);
267 static bool avoid_bus(void) {
269 if (running_in_chroot() > 0)
272 if (sd_booted() <= 0)
275 if (!isempty(arg_root))
278 if (arg_scope == UNIT_FILE_GLOBAL)
284 static int compare_unit_info(const void *a, const void *b) {
285 const UnitInfo *u = a, *v = b;
289 /* First, order by machine */
290 if (!u->machine && v->machine)
292 if (u->machine && !v->machine)
294 if (u->machine && v->machine) {
295 r = strcasecmp(u->machine, v->machine);
300 /* Second, order by unit type */
301 d1 = strrchr(u->id, '.');
302 d2 = strrchr(v->id, '.');
304 r = strcasecmp(d1, d2);
309 /* Third, order by name */
310 return strcasecmp(u->id, v->id);
313 static bool output_show_unit(const UnitInfo *u, char **patterns) {
314 if (!strv_isempty(patterns)) {
317 STRV_FOREACH(pattern, patterns)
318 if (fnmatch(*pattern, u->id, FNM_NOESCAPE) == 0)
327 dot = strrchr(u->id, '.');
331 if (!strv_find(arg_types, dot+1))
341 if (streq(u->active_state, "inactive") || u->following[0])
347 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
348 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
350 unsigned n_shown = 0;
353 max_id_len = strlen("UNIT");
354 load_len = strlen("LOAD");
355 active_len = strlen("ACTIVE");
356 sub_len = strlen("SUB");
357 job_len = strlen("JOB");
360 for (u = unit_infos; u < unit_infos + c; u++) {
361 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
362 load_len = MAX(load_len, strlen(u->load_state));
363 active_len = MAX(active_len, strlen(u->active_state));
364 sub_len = MAX(sub_len, strlen(u->sub_state));
366 if (u->job_id != 0) {
367 job_len = MAX(job_len, strlen(u->job_type));
371 if (!arg_no_legend &&
372 (streq(u->active_state, "failed") ||
373 STR_IN_SET(u->load_state, "error", "not-found", "masked")))
377 if (!arg_full && original_stdout_is_tty) {
380 id_len = MIN(max_id_len, 25u);
381 basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len;
384 basic_len += job_len + 1;
386 if (basic_len < (unsigned) columns()) {
387 unsigned extra_len, incr;
388 extra_len = columns() - basic_len;
390 /* Either UNIT already got 25, or is fully satisfied.
391 * Grant up to 25 to DESC now. */
392 incr = MIN(extra_len, 25u);
396 /* split the remaining space between UNIT and DESC,
397 * but do not give UNIT more than it needs. */
399 incr = MIN(extra_len / 2, max_id_len - id_len);
401 desc_len += extra_len - incr;
407 for (u = unit_infos; u < unit_infos + c; u++) {
408 _cleanup_free_ char *e = NULL, *j = NULL;
409 const char *on_loaded = "", *off_loaded = "";
410 const char *on_active = "", *off_active = "";
411 const char *on_circle = "", *off_circle = "";
415 if (!n_shown && !arg_no_legend) {
420 printf("%-*s %-*s %-*s %-*s ",
423 active_len, "ACTIVE",
427 printf("%-*s ", job_len, "JOB");
429 if (!arg_full && arg_no_pager)
430 printf("%.*s\n", desc_len, "DESCRIPTION");
432 printf("%s\n", "DESCRIPTION");
437 if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) {
438 on_loaded = ansi_highlight_red();
439 on_circle = ansi_highlight_yellow();
440 off_loaded = off_circle = ansi_highlight_off();
442 } else if (streq(u->active_state, "failed") && !arg_plain) {
443 on_circle = on_active = ansi_highlight_red();
444 off_circle = off_active = ansi_highlight_off();
449 j = strjoin(u->machine, ":", u->id, NULL);
458 e = ellipsize(id, id_len, 33);
466 printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
468 printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
469 on_active, id_len, id, off_active,
470 on_loaded, load_len, u->load_state, off_loaded,
471 on_active, active_len, u->active_state,
472 sub_len, u->sub_state, off_active,
473 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
476 printf("%.*s\n", desc_len, u->description);
478 printf("%s\n", u->description);
481 if (!arg_no_legend) {
482 const char *on, *off;
486 "LOAD = Reflects whether the unit definition was properly loaded.\n"
487 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
488 "SUB = The low-level unit activation state, values depend on unit type.");
489 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
490 on = ansi_highlight();
491 off = ansi_highlight_off();
493 on = ansi_highlight_red();
494 off = ansi_highlight_off();
498 printf("%s%u loaded units listed.%s\n"
499 "To show all installed unit files use 'systemctl list-unit-files'.\n",
502 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
503 "To show all installed unit files use 'systemctl list-unit-files'.\n",
510 static int get_unit_list(
514 UnitInfo **unit_infos,
516 sd_bus_message **_reply) {
518 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
519 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
520 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
529 r = sd_bus_message_new_method_call(
532 "org.freedesktop.systemd1",
533 "/org/freedesktop/systemd1",
534 "org.freedesktop.systemd1.Manager",
535 "ListUnitsFiltered");
538 return bus_log_create_error(r);
540 r = sd_bus_message_append_strv(m, arg_states);
542 return bus_log_create_error(r);
544 r = sd_bus_call(bus, m, 0, &error, &reply);
546 log_error("Failed to list units: %s", bus_error_message(&error, r));
550 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
552 return bus_log_parse_error(r);
554 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
557 if (!output_show_unit(&u, patterns))
560 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
563 (*unit_infos)[c++] = u;
566 return bus_log_parse_error(r);
568 r = sd_bus_message_exit_container(reply);
570 return bus_log_parse_error(r);
578 static void message_set_freep(Set **set) {
581 while ((m = set_steal_first(*set)))
582 sd_bus_message_unref(m);
587 static int get_unit_list_recursive(
590 UnitInfo **_unit_infos,
594 _cleanup_free_ UnitInfo *unit_infos = NULL;
595 _cleanup_(message_set_freep) Set *replies;
596 sd_bus_message *reply;
604 replies = set_new(NULL);
608 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
612 r = set_put(replies, reply);
614 sd_bus_message_unref(reply);
619 _cleanup_strv_free_ char **machines = NULL;
622 r = sd_get_machine_names(&machines);
626 STRV_FOREACH(i, machines) {
627 _cleanup_bus_close_unref_ sd_bus *container = NULL;
630 r = sd_bus_open_system_machine(&container, *i);
632 log_error_errno(r, "Failed to connect to container %s: %m", *i);
636 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
642 r = set_put(replies, reply);
644 sd_bus_message_unref(reply);
649 *_machines = machines;
654 *_unit_infos = unit_infos;
663 static int list_units(sd_bus *bus, char **args) {
664 _cleanup_free_ UnitInfo *unit_infos = NULL;
665 _cleanup_(message_set_freep) Set *replies = NULL;
666 _cleanup_strv_free_ char **machines = NULL;
669 pager_open_if_enabled();
671 r = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
675 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
676 return output_units_list(unit_infos, r);
679 static int get_triggered_units(
684 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
687 r = sd_bus_get_property_strv(
689 "org.freedesktop.systemd1",
691 "org.freedesktop.systemd1.Unit",
697 log_error("Failed to determine triggers: %s", bus_error_message(&error, r));
702 static int get_listening(
704 const char* unit_path,
707 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
708 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
709 const char *type, *path;
712 r = sd_bus_get_property(
714 "org.freedesktop.systemd1",
716 "org.freedesktop.systemd1.Socket",
722 log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r));
726 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
728 return bus_log_parse_error(r);
730 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
732 r = strv_extend(listening, type);
736 r = strv_extend(listening, path);
743 return bus_log_parse_error(r);
745 r = sd_bus_message_exit_container(reply);
747 return bus_log_parse_error(r);
759 /* Note: triggered is a list here, although it almost certainly
760 * will always be one unit. Nevertheless, dbus API allows for multiple
761 * values, so let's follow that. */
764 /* The strv above is shared. free is set only in the first one. */
768 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
774 if (!a->machine && b->machine)
776 if (a->machine && !b->machine)
778 if (a->machine && b->machine) {
779 o = strcasecmp(a->machine, b->machine);
784 o = strcmp(a->path, b->path);
786 o = strcmp(a->type, b->type);
791 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
792 struct socket_info *s;
793 unsigned pathlen = strlen("LISTEN"),
794 typelen = strlen("TYPE") * arg_show_types,
795 socklen = strlen("UNIT"),
796 servlen = strlen("ACTIVATES");
797 const char *on, *off;
799 for (s = socket_infos; s < socket_infos + cs; s++) {
803 socklen = MAX(socklen, strlen(s->id));
805 typelen = MAX(typelen, strlen(s->type));
806 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
808 STRV_FOREACH(a, s->triggered)
809 tmp += strlen(*a) + 2*(a != s->triggered);
810 servlen = MAX(servlen, tmp);
815 printf("%-*s %-*.*s%-*s %s\n",
817 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
821 for (s = socket_infos; s < socket_infos + cs; s++) {
822 _cleanup_free_ char *j = NULL;
827 j = strjoin(s->machine, ":", s->path, NULL);
835 printf("%-*s %-*s %-*s",
836 pathlen, path, typelen, s->type, socklen, s->id);
839 pathlen, path, socklen, s->id);
840 STRV_FOREACH(a, s->triggered)
842 a == s->triggered ? "" : ",", *a);
846 on = ansi_highlight();
847 off = ansi_highlight_off();
851 on = ansi_highlight_red();
852 off = ansi_highlight_off();
855 if (!arg_no_legend) {
856 printf("%s%u sockets listed.%s\n", on, cs, off);
858 printf("Pass --all to see loaded but inactive sockets, too.\n");
864 static int list_sockets(sd_bus *bus, char **args) {
865 _cleanup_(message_set_freep) Set *replies = NULL;
866 _cleanup_strv_free_ char **machines = NULL;
867 _cleanup_free_ UnitInfo *unit_infos = NULL;
868 _cleanup_free_ struct socket_info *socket_infos = NULL;
870 struct socket_info *s;
875 pager_open_if_enabled();
877 n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
881 for (u = unit_infos; u < unit_infos + n; u++) {
882 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
885 if (!endswith(u->id, ".socket"))
888 r = get_triggered_units(bus, u->unit_path, &triggered);
892 c = get_listening(bus, u->unit_path, &listening);
898 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
903 for (i = 0; i < c; i++)
904 socket_infos[cs + i] = (struct socket_info) {
905 .machine = u->machine,
907 .type = listening[i*2],
908 .path = listening[i*2 + 1],
909 .triggered = triggered,
910 .own_triggered = i==0,
913 /* from this point on we will cleanup those socket_infos */
916 listening = triggered = NULL; /* avoid cleanup */
919 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
920 (__compar_fn_t) socket_info_compare);
922 output_sockets_list(socket_infos, cs);
925 assert(cs == 0 || socket_infos);
926 for (s = socket_infos; s < socket_infos + cs; s++) {
929 if (s->own_triggered)
930 strv_free(s->triggered);
936 static int get_next_elapse(
939 dual_timestamp *next) {
941 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
949 r = sd_bus_get_property_trivial(
951 "org.freedesktop.systemd1",
953 "org.freedesktop.systemd1.Timer",
954 "NextElapseUSecMonotonic",
959 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
963 r = sd_bus_get_property_trivial(
965 "org.freedesktop.systemd1",
967 "org.freedesktop.systemd1.Timer",
968 "NextElapseUSecRealtime",
973 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
981 static int get_last_trigger(
986 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
993 r = sd_bus_get_property_trivial(
995 "org.freedesktop.systemd1",
997 "org.freedesktop.systemd1.Timer",
1003 log_error("Failed to get last trigger time: %s", bus_error_message(&error, r));
1011 const char* machine;
1014 usec_t last_trigger;
1018 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1024 if (!a->machine && b->machine)
1026 if (a->machine && !b->machine)
1028 if (a->machine && b->machine) {
1029 o = strcasecmp(a->machine, b->machine);
1034 if (a->next_elapse < b->next_elapse)
1036 if (a->next_elapse > b->next_elapse)
1039 return strcmp(a->id, b->id);
1042 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1043 struct timer_info *t;
1045 nextlen = strlen("NEXT"),
1046 leftlen = strlen("LEFT"),
1047 lastlen = strlen("LAST"),
1048 passedlen = strlen("PASSED"),
1049 unitlen = strlen("UNIT"),
1050 activatelen = strlen("ACTIVATES");
1052 const char *on, *off;
1054 assert(timer_infos || n == 0);
1056 for (t = timer_infos; t < timer_infos + n; t++) {
1060 if (t->next_elapse > 0) {
1061 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1063 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1064 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1066 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1067 leftlen = MAX(leftlen, strlen(trel));
1070 if (t->last_trigger > 0) {
1071 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1073 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1074 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1076 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1077 passedlen = MAX(passedlen, strlen(trel));
1080 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1082 STRV_FOREACH(a, t->triggered)
1083 ul += strlen(*a) + 2*(a != t->triggered);
1085 activatelen = MAX(activatelen, ul);
1090 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1094 passedlen, "PASSED",
1098 for (t = timer_infos; t < timer_infos + n; t++) {
1099 _cleanup_free_ char *j = NULL;
1101 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1102 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1105 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1106 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1108 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1109 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1112 j = strjoin(t->machine, ":", t->id, NULL);
1119 printf("%-*s %-*s %-*s %-*s %-*s",
1120 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1122 STRV_FOREACH(a, t->triggered)
1124 a == t->triggered ? "" : ",", *a);
1128 on = ansi_highlight();
1129 off = ansi_highlight_off();
1133 on = ansi_highlight_red();
1134 off = ansi_highlight_off();
1137 if (!arg_no_legend) {
1138 printf("%s%u timers listed.%s\n", on, n, off);
1140 printf("Pass --all to see loaded but inactive timers, too.\n");
1146 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1152 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1155 if (next->monotonic > nw->monotonic)
1156 converted = nw->realtime + (next->monotonic - nw->monotonic);
1158 converted = nw->realtime - (nw->monotonic - next->monotonic);
1160 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1161 next_elapse = MIN(converted, next->realtime);
1163 next_elapse = converted;
1166 next_elapse = next->realtime;
1171 static int list_timers(sd_bus *bus, char **args) {
1172 _cleanup_(message_set_freep) Set *replies = NULL;
1173 _cleanup_strv_free_ char **machines = NULL;
1174 _cleanup_free_ struct timer_info *timer_infos = NULL;
1175 _cleanup_free_ UnitInfo *unit_infos = NULL;
1176 struct timer_info *t;
1183 pager_open_if_enabled();
1185 n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
1189 dual_timestamp_get(&nw);
1191 for (u = unit_infos; u < unit_infos + n; u++) {
1192 _cleanup_strv_free_ char **triggered = NULL;
1193 dual_timestamp next = {};
1196 if (!endswith(u->id, ".timer"))
1199 r = get_triggered_units(bus, u->unit_path, &triggered);
1203 r = get_next_elapse(bus, u->unit_path, &next);
1207 get_last_trigger(bus, u->unit_path, &last);
1209 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1214 m = calc_next_elapse(&nw, &next);
1216 timer_infos[c++] = (struct timer_info) {
1217 .machine = u->machine,
1220 .last_trigger = last,
1221 .triggered = triggered,
1224 triggered = NULL; /* avoid cleanup */
1227 qsort_safe(timer_infos, c, sizeof(struct timer_info),
1228 (__compar_fn_t) timer_info_compare);
1230 output_timers_list(timer_infos, c);
1233 for (t = timer_infos; t < timer_infos + c; t++)
1234 strv_free(t->triggered);
1239 static int compare_unit_file_list(const void *a, const void *b) {
1240 const char *d1, *d2;
1241 const UnitFileList *u = a, *v = b;
1243 d1 = strrchr(u->path, '.');
1244 d2 = strrchr(v->path, '.');
1249 r = strcasecmp(d1, d2);
1254 return strcasecmp(basename(u->path), basename(v->path));
1257 static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
1258 if (!strv_isempty(patterns)) {
1261 STRV_FOREACH(pattern, patterns)
1262 if (fnmatch(*pattern, basename(u->path), FNM_NOESCAPE) == 0)
1268 if (!strv_isempty(arg_types)) {
1271 dot = strrchr(u->path, '.');
1275 if (!strv_find(arg_types, dot+1))
1279 if (!strv_isempty(arg_states)) {
1280 if (!strv_find(arg_states, unit_file_state_to_string(u->state)))
1287 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1288 unsigned max_id_len, id_cols, state_cols;
1289 const UnitFileList *u;
1291 max_id_len = strlen("UNIT FILE");
1292 state_cols = strlen("STATE");
1294 for (u = units; u < units + c; u++) {
1295 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1296 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1300 unsigned basic_cols;
1302 id_cols = MIN(max_id_len, 25u);
1303 basic_cols = 1 + id_cols + state_cols;
1304 if (basic_cols < (unsigned) columns())
1305 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1307 id_cols = max_id_len;
1310 printf("%-*s %-*s\n",
1311 id_cols, "UNIT FILE",
1312 state_cols, "STATE");
1314 for (u = units; u < units + c; u++) {
1315 _cleanup_free_ char *e = NULL;
1316 const char *on, *off;
1319 if (u->state == UNIT_FILE_MASKED ||
1320 u->state == UNIT_FILE_MASKED_RUNTIME ||
1321 u->state == UNIT_FILE_DISABLED ||
1322 u->state == UNIT_FILE_INVALID) {
1323 on = ansi_highlight_red();
1324 off = ansi_highlight_off();
1325 } else if (u->state == UNIT_FILE_ENABLED) {
1326 on = ansi_highlight_green();
1327 off = ansi_highlight_off();
1331 id = basename(u->path);
1333 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1335 printf("%-*s %s%-*s%s\n",
1336 id_cols, e ? e : id,
1337 on, state_cols, unit_file_state_to_string(u->state), off);
1341 printf("\n%u unit files listed.\n", c);
1344 static int list_unit_files(sd_bus *bus, char **args) {
1345 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1346 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1347 _cleanup_free_ UnitFileList *units = NULL;
1355 pager_open_if_enabled();
1363 h = hashmap_new(&string_hash_ops);
1367 r = unit_file_get_list(arg_scope, arg_root, h);
1369 unit_file_list_free(h);
1370 log_error_errno(r, "Failed to get unit file list: %m");
1374 n_units = hashmap_size(h);
1376 units = new(UnitFileList, n_units);
1377 if (!units && n_units > 0) {
1378 unit_file_list_free(h);
1382 HASHMAP_FOREACH(u, h, i) {
1383 if (!output_show_unit_file(u, strv_skip_first(args)))
1390 assert(c <= n_units);
1393 r = sd_bus_call_method(
1395 "org.freedesktop.systemd1",
1396 "/org/freedesktop/systemd1",
1397 "org.freedesktop.systemd1.Manager",
1403 log_error("Failed to list unit files: %s", bus_error_message(&error, r));
1407 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1409 return bus_log_parse_error(r);
1411 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1413 if (!GREEDY_REALLOC(units, size, c + 1))
1416 units[c] = (struct UnitFileList) {
1418 unit_file_state_from_string(state)
1421 if (output_show_unit_file(&units[c], strv_skip_first(args)))
1426 return bus_log_parse_error(r);
1428 r = sd_bus_message_exit_container(reply);
1430 return bus_log_parse_error(r);
1433 qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
1434 output_unit_file_list(units, c);
1437 for (unit = units; unit < units + c; unit++)
1444 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1445 _cleanup_free_ char *n = NULL;
1446 size_t max_len = MAX(columns(),20u);
1452 for (i = level - 1; i >= 0; i--) {
1454 if (len > max_len - 3 && !arg_full) {
1455 printf("%s...\n",max_len % 2 ? "" : " ");
1458 printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
1462 if (len > max_len - 3 && !arg_full) {
1463 printf("%s...\n",max_len % 2 ? "" : " ");
1467 printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
1471 printf("%s\n", name);
1475 n = ellipsize(name, max_len-len, 100);
1483 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1485 static const char *dependencies[_DEPENDENCY_MAX] = {
1486 [DEPENDENCY_FORWARD] = "Requires\0"
1487 "RequiresOverridable\0"
1489 "RequisiteOverridable\0"
1492 [DEPENDENCY_REVERSE] = "RequiredBy\0"
1493 "RequiredByOverridable\0"
1497 [DEPENDENCY_AFTER] = "After\0",
1498 [DEPENDENCY_BEFORE] = "Before\0",
1501 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1502 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1503 _cleanup_strv_free_ char **ret = NULL;
1504 _cleanup_free_ char *path = NULL;
1510 assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX);
1512 path = unit_dbus_path_from_name(name);
1516 r = sd_bus_call_method(
1518 "org.freedesktop.systemd1",
1520 "org.freedesktop.DBus.Properties",
1524 "s", "org.freedesktop.systemd1.Unit");
1526 log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1530 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
1532 return bus_log_parse_error(r);
1534 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
1537 r = sd_bus_message_read(reply, "s", &prop);
1539 return bus_log_parse_error(r);
1541 if (!nulstr_contains(dependencies[arg_dependency], prop)) {
1542 r = sd_bus_message_skip(reply, "v");
1544 return bus_log_parse_error(r);
1547 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as");
1549 return bus_log_parse_error(r);
1551 r = bus_message_read_strv_extend(reply, &ret);
1553 return bus_log_parse_error(r);
1555 r = sd_bus_message_exit_container(reply);
1557 return bus_log_parse_error(r);
1560 r = sd_bus_message_exit_container(reply);
1562 return bus_log_parse_error(r);
1566 return bus_log_parse_error(r);
1568 r = sd_bus_message_exit_container(reply);
1570 return bus_log_parse_error(r);
1578 static int list_dependencies_compare(const void *_a, const void *_b) {
1579 const char **a = (const char**) _a, **b = (const char**) _b;
1581 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1583 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1586 return strcasecmp(*a, *b);
1589 static int list_dependencies_one(
1594 unsigned int branches) {
1596 _cleanup_strv_free_ char **deps = NULL;
1604 r = strv_extend(units, name);
1608 r = list_dependencies_get_dependencies(bus, name, &deps);
1612 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1614 STRV_FOREACH(c, deps) {
1615 if (strv_contains(*units, *c)) {
1617 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1630 state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
1631 on = state > 0 ? ansi_highlight_green() : ansi_highlight_red();
1632 printf("%s%s%s ", on, draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
1635 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1639 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1640 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1647 strv_remove(*units, name);
1652 static int list_dependencies(sd_bus *bus, char **args) {
1653 _cleanup_strv_free_ char **units = NULL;
1654 _cleanup_free_ char *unit = NULL;
1660 unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
1665 u = SPECIAL_DEFAULT_TARGET;
1667 pager_open_if_enabled();
1671 return list_dependencies_one(bus, u, 0, &units, 0);
1674 struct machine_info {
1678 char *control_group;
1679 uint32_t n_failed_units;
1684 static const struct bus_properties_map machine_info_property_map[] = {
1685 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1686 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1687 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1688 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1689 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1693 static void free_machines_list(struct machine_info *machine_infos, int n) {
1699 for (i = 0; i < n; i++) {
1700 free(machine_infos[i].name);
1701 free(machine_infos[i].state);
1702 free(machine_infos[i].control_group);
1705 free(machine_infos);
1708 static int compare_machine_info(const void *a, const void *b) {
1709 const struct machine_info *u = a, *v = b;
1711 if (u->is_host != v->is_host)
1712 return u->is_host > v->is_host ? -1 : 1;
1714 return strcasecmp(u->name, v->name);
1717 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1718 _cleanup_bus_close_unref_ sd_bus *container = NULL;
1724 r = sd_bus_open_system_machine(&container, mi->name);
1731 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi);
1738 static bool output_show_machine(const char *name, char **patterns) {
1743 if (strv_isempty(patterns))
1746 STRV_FOREACH(i, patterns)
1747 if (fnmatch(*i, name, FNM_NOESCAPE) == 0)
1753 static int get_machine_list(
1755 struct machine_info **_machine_infos,
1758 struct machine_info *machine_infos = NULL;
1759 _cleanup_strv_free_ char **m = NULL;
1760 _cleanup_free_ char *hn = NULL;
1765 hn = gethostname_malloc();
1769 if (output_show_machine(hn, patterns)) {
1770 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1773 machine_infos[c].is_host = true;
1774 machine_infos[c].name = hn;
1777 get_machine_properties(bus, &machine_infos[c]);
1781 sd_get_machine_names(&m);
1782 STRV_FOREACH(i, m) {
1783 _cleanup_free_ char *class = NULL;
1785 if (!output_show_machine(*i, patterns))
1788 sd_machine_get_class(*i, &class);
1789 if (!streq_ptr(class, "container"))
1792 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1793 free_machines_list(machine_infos, c);
1797 machine_infos[c].is_host = false;
1798 machine_infos[c].name = strdup(*i);
1799 if (!machine_infos[c].name) {
1800 free_machines_list(machine_infos, c);
1804 get_machine_properties(NULL, &machine_infos[c]);
1808 *_machine_infos = machine_infos;
1812 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1813 struct machine_info *m;
1816 namelen = sizeof("NAME") - 1,
1817 statelen = sizeof("STATE") - 1,
1818 failedlen = sizeof("FAILED") - 1,
1819 jobslen = sizeof("JOBS") - 1;
1821 assert(machine_infos || n == 0);
1823 for (m = machine_infos; m < machine_infos + n; m++) {
1824 namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0));
1825 statelen = MAX(statelen, m->state ? strlen(m->state) : 0);
1826 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1827 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1829 if (!arg_plain && !streq_ptr(m->state, "running"))
1833 if (!arg_no_legend) {
1837 printf("%-*s %-*s %-*s %-*s\n",
1840 failedlen, "FAILED",
1844 for (m = machine_infos; m < machine_infos + n; m++) {
1845 const char *on_state = "", *off_state = "";
1846 const char *on_failed = "", *off_failed = "";
1847 bool circle = false;
1849 if (streq_ptr(m->state, "degraded")) {
1850 on_state = ansi_highlight_red();
1851 off_state = ansi_highlight_off();
1853 } else if (!streq_ptr(m->state, "running")) {
1854 on_state = ansi_highlight_yellow();
1855 off_state = ansi_highlight_off();
1859 if (m->n_failed_units > 0) {
1860 on_failed = ansi_highlight_red();
1861 off_failed = ansi_highlight_off();
1863 on_failed = off_failed = "";
1866 printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
1869 printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
1870 (int) (namelen - (sizeof(" (host)")-1)), strna(m->name),
1871 on_state, statelen, strna(m->state), off_state,
1872 on_failed, failedlen, m->n_failed_units, off_failed,
1873 jobslen, m->n_jobs);
1875 printf("%-*s %s%-*s%s %s%*u%s %*u\n",
1876 namelen, strna(m->name),
1877 on_state, statelen, strna(m->state), off_state,
1878 on_failed, failedlen, m->n_failed_units, off_failed,
1879 jobslen, m->n_jobs);
1883 printf("\n%u machines listed.\n", n);
1886 static int list_machines(sd_bus *bus, char **args) {
1887 struct machine_info *machine_infos = NULL;
1892 if (geteuid() != 0) {
1893 log_error("Must be root.");
1897 pager_open_if_enabled();
1899 r = get_machine_list(bus, &machine_infos, strv_skip_first(args));
1903 qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
1904 output_machines_list(machine_infos, r);
1905 free_machines_list(machine_infos, r);
1910 static int get_default(sd_bus *bus, char **args) {
1911 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1912 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1913 _cleanup_free_ char *_path = NULL;
1917 if (!bus || avoid_bus()) {
1918 r = unit_file_get_default(arg_scope, arg_root, &_path);
1920 return log_error_errno(r, "Failed to get default target: %m");
1924 r = sd_bus_call_method(
1926 "org.freedesktop.systemd1",
1927 "/org/freedesktop/systemd1",
1928 "org.freedesktop.systemd1.Manager",
1934 log_error("Failed to get default target: %s", bus_error_message(&error, -r));
1938 r = sd_bus_message_read(reply, "s", &path);
1940 return bus_log_parse_error(r);
1944 printf("%s\n", path);
1949 static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) {
1952 assert(changes || n_changes == 0);
1954 for (i = 0; i < n_changes; i++) {
1955 if (changes[i].type == UNIT_FILE_SYMLINK)
1956 log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source);
1958 log_info("Removed symlink %s.", changes[i].path);
1962 static int set_default(sd_bus *bus, char **args) {
1963 _cleanup_free_ char *unit = NULL;
1964 UnitFileChange *changes = NULL;
1965 unsigned n_changes = 0;
1968 unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
1972 if (!bus || avoid_bus()) {
1973 r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
1975 return log_error_errno(r, "Failed to set default target: %m");
1978 dump_unit_file_changes(changes, n_changes);
1982 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
1983 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1985 r = sd_bus_message_new_method_call(
1988 "org.freedesktop.systemd1",
1989 "/org/freedesktop/systemd1",
1990 "org.freedesktop.systemd1.Manager",
1991 "SetDefaultTarget");
1993 return bus_log_create_error(r);
1995 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1997 return bus_log_create_error(r);
1999 r = sd_bus_message_append(m, "sb", unit, 1);
2001 return bus_log_create_error(r);
2003 r = sd_bus_call(bus, m, 0, &error, &reply);
2005 log_error("Failed to set default target: %s", bus_error_message(&error, -r));
2009 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
2013 /* Try to reload if enabled */
2015 r = daemon_reload(bus, args);
2020 unit_file_changes_free(changes, n_changes);
2027 const char *name, *type, *state;
2030 static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) {
2031 unsigned id_len, unit_len, type_len, state_len;
2032 const struct job_info *j;
2033 const char *on, *off;
2034 bool shorten = false;
2036 assert(n == 0 || jobs);
2039 if (!arg_no_legend) {
2040 on = ansi_highlight_green();
2041 off = ansi_highlight_off();
2043 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2048 pager_open_if_enabled();
2050 id_len = strlen("JOB");
2051 unit_len = strlen("UNIT");
2052 type_len = strlen("TYPE");
2053 state_len = strlen("STATE");
2055 for (j = jobs; j < jobs + n; j++) {
2056 uint32_t id = j->id;
2057 assert(j->name && j->type && j->state);
2059 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2060 unit_len = MAX(unit_len, strlen(j->name));
2061 type_len = MAX(type_len, strlen(j->type));
2062 state_len = MAX(state_len, strlen(j->state));
2065 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2066 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2071 printf("%*s %-*s %-*s %-*s\n",
2075 state_len, "STATE");
2077 for (j = jobs; j < jobs + n; j++) {
2078 _cleanup_free_ char *e = NULL;
2080 if (streq(j->state, "running")) {
2081 on = ansi_highlight();
2082 off = ansi_highlight_off();
2086 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2087 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2089 on, unit_len, e ? e : j->name, off,
2091 on, state_len, j->state, off);
2094 if (!arg_no_legend) {
2095 on = ansi_highlight();
2096 off = ansi_highlight_off();
2098 printf("\n%s%u jobs listed%s.\n", on, n, off);
2102 static bool output_show_job(struct job_info *job, char **patterns) {
2107 if (strv_isempty(patterns))
2110 STRV_FOREACH(pattern, patterns)
2111 if (fnmatch(*pattern, job->name, FNM_NOESCAPE) == 0)
2116 static int list_jobs(sd_bus *bus, char **args) {
2117 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2118 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2119 const char *name, *type, *state, *job_path, *unit_path;
2120 _cleanup_free_ struct job_info *jobs = NULL;
2125 bool skipped = false;
2127 r = sd_bus_call_method(
2129 "org.freedesktop.systemd1",
2130 "/org/freedesktop/systemd1",
2131 "org.freedesktop.systemd1.Manager",
2137 log_error("Failed to list jobs: %s", bus_error_message(&error, r));
2141 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2143 return bus_log_parse_error(r);
2145 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
2146 struct job_info job = { id, name, type, state };
2148 if (!output_show_job(&job, strv_skip_first(args))) {
2153 if (!GREEDY_REALLOC(jobs, size, c + 1))
2159 return bus_log_parse_error(r);
2161 r = sd_bus_message_exit_container(reply);
2163 return bus_log_parse_error(r);
2165 output_jobs_list(jobs, c, skipped);
2169 static int cancel_job(sd_bus *bus, char **args) {
2170 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2176 if (strv_length(args) <= 1)
2177 return daemon_reload(bus, args);
2179 STRV_FOREACH(name, args+1) {
2180 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
2184 q = safe_atou32(*name, &id);
2186 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2188 q = sd_bus_message_new_method_call(
2191 "org.freedesktop.systemd1",
2192 "/org/freedesktop/systemd1",
2193 "org.freedesktop.systemd1.Manager",
2196 return bus_log_create_error(q);
2198 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
2200 return bus_log_create_error(1);
2202 q = sd_bus_message_append(m, "u", id);
2204 return bus_log_create_error(q);
2206 q = sd_bus_call(bus, m, 0, &error, NULL);
2208 log_error("Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2217 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2218 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2222 /* We ignore all errors here, since this is used to show a
2225 /* We don't use unit_dbus_path_from_name() directly since we
2226 * don't want to load the unit if it isn't loaded. */
2228 r = sd_bus_call_method(
2230 "org.freedesktop.systemd1",
2231 "/org/freedesktop/systemd1",
2232 "org.freedesktop.systemd1.Manager",
2240 r = sd_bus_message_read(reply, "o", &path);
2244 r = sd_bus_get_property_trivial(
2246 "org.freedesktop.systemd1",
2248 "org.freedesktop.systemd1.Unit",
2258 static void warn_unit_file_changed(const char *name) {
2259 log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
2260 ansi_highlight_red(),
2261 ansi_highlight_off(),
2263 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2266 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
2273 STRV_FOREACH(p, lp->unit_path) {
2274 _cleanup_free_ char *path;
2276 path = path_join(arg_root, *p, unit_name);
2280 if (access(path, F_OK) == 0) {
2290 static int unit_find_paths(sd_bus *bus,
2291 const char *unit_name,
2292 bool avoid_bus_cache,
2294 char **fragment_path,
2295 char ***dropin_paths) {
2299 * Finds where the unit is defined on disk. Returns 0 if the unit
2300 * is not found. Returns 1 if it is found, and sets
2301 * - the path to the unit in *path, if it exists on disk,
2302 * - and a strv of existing drop-ins in *dropins,
2303 * if the arg is not NULL and any dropins were found.
2307 assert(fragment_path);
2310 if (!avoid_bus_cache && !unit_name_is_template(unit_name)) {
2311 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2312 _cleanup_free_ char *unit = NULL;
2313 _cleanup_free_ char *path = NULL;
2314 _cleanup_strv_free_ char **dropins = NULL;
2316 unit = unit_dbus_path_from_name(unit_name);
2320 if (need_daemon_reload(bus, unit_name) > 0)
2321 warn_unit_file_changed(unit_name);
2323 r = sd_bus_get_property_string(
2325 "org.freedesktop.systemd1",
2327 "org.freedesktop.systemd1.Unit",
2332 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2334 r = sd_bus_get_property_strv(
2336 "org.freedesktop.systemd1",
2338 "org.freedesktop.systemd1.Unit",
2343 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2346 if (!isempty(path)) {
2347 *fragment_path = path;
2352 if (dropin_paths && !strv_isempty(dropins)) {
2353 *dropin_paths = dropins;
2358 _cleanup_set_free_ Set *names;
2360 names = set_new(NULL);
2364 r = set_put(names, unit_name);
2368 r = unit_file_find_path(lp, unit_name, fragment_path);
2373 _cleanup_free_ char *template;
2375 template = unit_name_template(unit_name);
2379 if (!streq(template, unit_name)) {
2380 r = unit_file_find_path(lp, template, fragment_path);
2387 r = unit_file_find_dropin_paths(lp->unit_path, NULL, names, dropin_paths);
2393 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
2394 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2395 _cleanup_free_ char *n = NULL, *state = NULL;
2401 n = unit_name_mangle(name, MANGLE_NOGLOB);
2405 /* We don't use unit_dbus_path_from_name() directly since we
2406 * don't want to load the unit if it isn't loaded. */
2408 r = sd_bus_call_method(
2410 "org.freedesktop.systemd1",
2411 "/org/freedesktop/systemd1",
2412 "org.freedesktop.systemd1.Manager",
2423 r = sd_bus_message_read(reply, "o", &path);
2425 return bus_log_parse_error(r);
2427 r = sd_bus_get_property_string(
2429 "org.freedesktop.systemd1",
2431 "org.freedesktop.systemd1.Unit",
2444 return nulstr_contains(good_states, state);
2447 static int check_triggering_units(
2451 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2452 _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL;
2453 _cleanup_strv_free_ char **triggered_by = NULL;
2454 bool print_warning_label = true;
2458 n = unit_name_mangle(name, MANGLE_NOGLOB);
2462 path = unit_dbus_path_from_name(n);
2466 r = sd_bus_get_property_string(
2468 "org.freedesktop.systemd1",
2470 "org.freedesktop.systemd1.Unit",
2475 log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r));
2479 if (streq(state, "masked"))
2482 r = sd_bus_get_property_strv(
2484 "org.freedesktop.systemd1",
2486 "org.freedesktop.systemd1.Unit",
2491 log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2495 STRV_FOREACH(i, triggered_by) {
2496 r = check_one_unit(bus, *i, "active\0reloading\0", true);
2498 return log_error_errno(r, "Failed to check unit: %m");
2503 if (print_warning_label) {
2504 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2505 print_warning_label = false;
2508 log_warning(" %s", *i);
2514 static const struct {
2517 } unit_actions[] = {
2518 { "start", "StartUnit" },
2519 { "stop", "StopUnit" },
2520 { "condstop", "StopUnit" },
2521 { "reload", "ReloadUnit" },
2522 { "restart", "RestartUnit" },
2523 { "try-restart", "TryRestartUnit" },
2524 { "condrestart", "TryRestartUnit" },
2525 { "reload-or-restart", "ReloadOrRestartUnit" },
2526 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
2527 { "condreload", "ReloadOrTryRestartUnit" },
2528 { "force-reload", "ReloadOrTryRestartUnit" }
2531 static const char *verb_to_method(const char *verb) {
2534 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2535 if (streq_ptr(unit_actions[i].verb, verb))
2536 return unit_actions[i].method;
2541 static const char *method_to_verb(const char *method) {
2544 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2545 if (streq_ptr(unit_actions[i].method, method))
2546 return unit_actions[i].verb;
2551 static int start_unit_one(
2556 sd_bus_error *error,
2557 BusWaitForJobs *w) {
2559 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
2568 log_debug("Calling manager for %s on %s, %s", method, name, mode);
2570 r = sd_bus_message_new_method_call(
2573 "org.freedesktop.systemd1",
2574 "/org/freedesktop/systemd1",
2575 "org.freedesktop.systemd1.Manager",
2578 return bus_log_create_error(r);
2580 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
2582 return bus_log_create_error(r);
2584 r = sd_bus_message_append(m, "ss", name, mode);
2586 return bus_log_create_error(r);
2588 r = sd_bus_call(bus, m, 0, error, &reply);
2592 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
2593 /* There's always a fallback possible for
2594 * legacy actions. */
2595 return -EADDRNOTAVAIL;
2597 verb = method_to_verb(method);
2599 log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
2603 r = sd_bus_message_read(reply, "o", &path);
2605 return bus_log_parse_error(r);
2607 if (need_daemon_reload(bus, name) > 0)
2608 warn_unit_file_changed(name);
2611 log_debug("Adding %s to the set", path);
2612 r = bus_wait_for_jobs_add(w, path);
2620 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2622 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2626 STRV_FOREACH(name, names) {
2630 t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
2632 t = unit_name_mangle(*name, MANGLE_GLOB);
2636 if (string_is_glob(t))
2637 r = strv_consume(&globs, t);
2639 r = strv_consume(&mangled, t);
2644 /* Query the manager only if any of the names are a glob, since
2645 * this is fairly expensive */
2646 if (!strv_isempty(globs)) {
2647 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2648 _cleanup_free_ UnitInfo *unit_infos = NULL;
2651 return log_error_errno(ENOTSUP, "Unit name globbing without bus is not implemented.");
2653 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2657 for (i = 0; i < r; i++)
2658 if (strv_extend(&mangled, unit_infos[i].id) < 0)
2663 mangled = NULL; /* do not free */
2668 static const struct {
2672 } action_table[_ACTION_MAX] = {
2673 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2674 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2675 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2676 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2677 [ACTION_RUNLEVEL2] = { SPECIAL_RUNLEVEL2_TARGET, NULL, "isolate" },
2678 [ACTION_RUNLEVEL3] = { SPECIAL_RUNLEVEL3_TARGET, NULL, "isolate" },
2679 [ACTION_RUNLEVEL4] = { SPECIAL_RUNLEVEL4_TARGET, NULL, "isolate" },
2680 [ACTION_RUNLEVEL5] = { SPECIAL_RUNLEVEL5_TARGET, NULL, "isolate" },
2681 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2682 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2683 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2684 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2685 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2686 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2687 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2690 static enum action verb_to_action(const char *verb) {
2693 for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
2694 if (streq_ptr(action_table[i].verb, verb))
2697 return _ACTION_INVALID;
2700 static int start_unit(sd_bus *bus, char **args) {
2701 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
2702 const char *method, *mode, *one_name, *suffix = NULL;
2703 _cleanup_strv_free_ char **names = NULL;
2709 ask_password_agent_open_if_enabled();
2710 polkit_agent_open_if_enabled();
2712 if (arg_action == ACTION_SYSTEMCTL) {
2714 method = verb_to_method(args[0]);
2715 action = verb_to_action(args[0]);
2717 if (streq(args[0], "isolate")) {
2721 mode = action_table[action].mode ?: arg_job_mode;
2723 one_name = action_table[action].target;
2725 assert(arg_action < ELEMENTSOF(action_table));
2726 assert(action_table[arg_action].target);
2728 method = "StartUnit";
2730 mode = action_table[arg_action].mode;
2731 one_name = action_table[arg_action].target;
2735 names = strv_new(one_name, NULL);
2737 r = expand_names(bus, args + 1, suffix, &names);
2739 log_error_errno(r, "Failed to expand names: %m");
2742 if (!arg_no_block) {
2743 r = bus_wait_for_jobs_new(bus, &w);
2745 return log_error_errno(r, "Could not watch jobs: %m");
2748 STRV_FOREACH(name, names) {
2749 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2752 q = start_unit_one(bus, method, *name, mode, &error, w);
2753 if (r >= 0 && q < 0)
2754 r = translate_bus_error_to_exit_status(q, &error);
2757 if (!arg_no_block) {
2760 q = bus_wait_for_jobs(w, arg_quiet);
2764 /* When stopping units, warn if they can still be triggered by
2765 * another active unit (socket, path, timer) */
2766 if (!arg_quiet && streq(method, "StopUnit"))
2767 STRV_FOREACH(name, names)
2768 check_triggering_units(bus, *name);
2774 /* Ask systemd-logind, which might grant access to unprivileged users
2775 * through PolicyKit */
2776 static int reboot_with_logind(sd_bus *bus, enum action a) {
2778 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2785 polkit_agent_open_if_enabled();
2793 case ACTION_POWEROFF:
2794 method = "PowerOff";
2797 case ACTION_SUSPEND:
2801 case ACTION_HIBERNATE:
2802 method = "Hibernate";
2805 case ACTION_HYBRID_SLEEP:
2806 method = "HybridSleep";
2813 r = sd_bus_call_method(
2815 "org.freedesktop.login1",
2816 "/org/freedesktop/login1",
2817 "org.freedesktop.login1.Manager",
2821 "b", arg_ask_password);
2823 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
2831 static int check_inhibitors(sd_bus *bus, enum action a) {
2833 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2834 _cleanup_strv_free_ char **sessions = NULL;
2835 const char *what, *who, *why, *mode;
2844 if (arg_ignore_inhibitors || arg_force > 0)
2856 r = sd_bus_call_method(
2858 "org.freedesktop.login1",
2859 "/org/freedesktop/login1",
2860 "org.freedesktop.login1.Manager",
2866 /* If logind is not around, then there are no inhibitors... */
2869 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
2871 return bus_log_parse_error(r);
2873 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
2874 _cleanup_free_ char *comm = NULL, *user = NULL;
2875 _cleanup_strv_free_ char **sv = NULL;
2877 if (!streq(mode, "block"))
2880 sv = strv_split(what, ":");
2884 if (!strv_contains(sv,
2886 a == ACTION_POWEROFF ||
2887 a == ACTION_REBOOT ||
2888 a == ACTION_KEXEC ? "shutdown" : "sleep"))
2891 get_process_comm(pid, &comm);
2892 user = uid_to_name(uid);
2894 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
2895 who, pid, strna(comm), strna(user), why);
2900 return bus_log_parse_error(r);
2902 r = sd_bus_message_exit_container(reply);
2904 return bus_log_parse_error(r);
2906 /* Check for current sessions */
2907 sd_get_sessions(&sessions);
2908 STRV_FOREACH(s, sessions) {
2909 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
2911 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
2914 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
2917 if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
2920 sd_session_get_tty(*s, &tty);
2921 sd_session_get_seat(*s, &seat);
2922 sd_session_get_service(*s, &service);
2923 user = uid_to_name(uid);
2925 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
2932 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
2933 action_table[a].verb);
2941 static int start_special(sd_bus *bus, char **args) {
2947 a = verb_to_action(args[0]);
2949 r = check_inhibitors(bus, a);
2953 if (arg_force >= 2 && geteuid() != 0) {
2954 log_error("Must be root.");
2958 if (arg_force >= 2 &&
2959 (a == ACTION_HALT ||
2960 a == ACTION_POWEROFF ||
2961 a == ACTION_REBOOT))
2964 if (arg_force >= 1 &&
2965 (a == ACTION_HALT ||
2966 a == ACTION_POWEROFF ||
2967 a == ACTION_REBOOT ||
2968 a == ACTION_KEXEC ||
2970 return daemon_reload(bus, args);
2972 /* first try logind, to allow authentication with polkit */
2973 if (geteuid() != 0 &&
2974 (a == ACTION_POWEROFF ||
2975 a == ACTION_REBOOT ||
2976 a == ACTION_SUSPEND ||
2977 a == ACTION_HIBERNATE ||
2978 a == ACTION_HYBRID_SLEEP)) {
2979 r = reboot_with_logind(bus, a);
2980 if (r >= 0 || IN_SET(r, -ENOTSUP, -EINPROGRESS))
2984 r = start_unit(bus, args);
2985 if (r == EXIT_SUCCESS)
2991 static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
2992 _cleanup_strv_free_ char **names = NULL;
2999 r = expand_names(bus, args, NULL, &names);
3001 return log_error_errno(r, "Failed to expand names: %m");
3003 STRV_FOREACH(name, names) {
3006 state = check_one_unit(bus, *name, good_states, arg_quiet);
3016 static int check_unit_active(sd_bus *bus, char **args) {
3017 /* According to LSB: 3, "program is not running" */
3018 return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
3021 static int check_unit_failed(sd_bus *bus, char **args) {
3022 return check_unit_generic(bus, 1, "failed\0", args + 1);
3025 static int kill_unit(sd_bus *bus, char **args) {
3026 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3027 _cleanup_strv_free_ char **names = NULL;
3034 polkit_agent_open_if_enabled();
3037 arg_kill_who = "all";
3039 r = expand_names(bus, args + 1, NULL, &names);
3041 log_error_errno(r, "Failed to expand names: %m");
3043 STRV_FOREACH(name, names) {
3044 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
3046 q = sd_bus_message_new_method_call(
3049 "org.freedesktop.systemd1",
3050 "/org/freedesktop/systemd1",
3051 "org.freedesktop.systemd1.Manager",
3054 return bus_log_create_error(q);
3056 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
3058 return bus_log_create_error(q);
3060 q = sd_bus_message_append(m, "ssi", *names, arg_kill_who, arg_signal);
3062 return bus_log_create_error(q);
3064 q = sd_bus_call(bus, m, 0, &error, NULL);
3066 log_error("Failed to kill unit %s: %s", *names, bus_error_message(&error, q));
3075 typedef struct ExecStatusInfo {
3083 usec_t start_timestamp;
3084 usec_t exit_timestamp;
3089 LIST_FIELDS(struct ExecStatusInfo, exec);
3092 static void exec_status_info_free(ExecStatusInfo *i) {
3101 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3102 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3105 int32_t code, status;
3111 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3113 return bus_log_parse_error(r);
3117 r = sd_bus_message_read(m, "s", &path);
3119 return bus_log_parse_error(r);
3121 i->path = strdup(path);
3125 r = sd_bus_message_read_strv(m, &i->argv);
3127 return bus_log_parse_error(r);
3129 r = sd_bus_message_read(m,
3132 &start_timestamp, &start_timestamp_monotonic,
3133 &exit_timestamp, &exit_timestamp_monotonic,
3137 return bus_log_parse_error(r);
3140 i->start_timestamp = (usec_t) start_timestamp;
3141 i->exit_timestamp = (usec_t) exit_timestamp;
3142 i->pid = (pid_t) pid;
3146 r = sd_bus_message_exit_container(m);
3148 return bus_log_parse_error(r);
3153 typedef struct UnitStatusInfo {
3155 const char *load_state;
3156 const char *active_state;
3157 const char *sub_state;
3158 const char *unit_file_state;
3159 const char *unit_file_preset;
3161 const char *description;
3162 const char *following;
3164 char **documentation;
3166 const char *fragment_path;
3167 const char *source_path;
3168 const char *control_group;
3170 char **dropin_paths;
3172 const char *load_error;
3175 usec_t inactive_exit_timestamp;
3176 usec_t inactive_exit_timestamp_monotonic;
3177 usec_t active_enter_timestamp;
3178 usec_t active_exit_timestamp;
3179 usec_t inactive_enter_timestamp;
3181 bool need_daemon_reload;
3186 const char *status_text;
3187 const char *pid_file;
3191 usec_t start_timestamp;
3192 usec_t exit_timestamp;
3194 int exit_code, exit_status;
3196 usec_t condition_timestamp;
3197 bool condition_result;
3198 bool failed_condition_trigger;
3199 bool failed_condition_negate;
3200 const char *failed_condition;
3201 const char *failed_condition_parameter;
3203 usec_t assert_timestamp;
3205 bool failed_assert_trigger;
3206 bool failed_assert_negate;
3207 const char *failed_assert;
3208 const char *failed_assert_parameter;
3211 unsigned n_accepted;
3212 unsigned n_connections;
3215 /* Pairs of type, path */
3219 const char *sysfs_path;
3221 /* Mount, Automount */
3228 uint64_t memory_current;
3229 uint64_t memory_limit;
3231 LIST_HEAD(ExecStatusInfo, exec);
3234 static void print_status_info(
3239 const char *active_on, *active_off, *on, *off, *ss;
3241 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
3242 char since2[FORMAT_TIMESTAMP_MAX], *s2;
3248 /* This shows pretty information about a unit. See
3249 * print_property() for a low-level property printer */
3251 if (streq_ptr(i->active_state, "failed")) {
3252 active_on = ansi_highlight_red();
3253 active_off = ansi_highlight_off();
3254 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
3255 active_on = ansi_highlight_green();
3256 active_off = ansi_highlight_off();
3258 active_on = active_off = "";
3260 printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
3262 if (i->description && !streq_ptr(i->id, i->description))
3263 printf(" - %s", i->description);
3268 printf(" Follow: unit currently follows state of %s\n", i->following);
3270 if (streq_ptr(i->load_state, "error")) {
3271 on = ansi_highlight_red();
3272 off = ansi_highlight_off();
3276 path = i->source_path ? i->source_path : i->fragment_path;
3279 printf(" Loaded: %s%s%s (Reason: %s)\n",
3280 on, strna(i->load_state), off, i->load_error);
3281 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset))
3282 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
3283 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
3284 else if (path && !isempty(i->unit_file_state))
3285 printf(" Loaded: %s%s%s (%s; %s)\n",
3286 on, strna(i->load_state), off, path, i->unit_file_state);
3288 printf(" Loaded: %s%s%s (%s)\n",
3289 on, strna(i->load_state), off, path);
3291 printf(" Loaded: %s%s%s\n",
3292 on, strna(i->load_state), off);
3294 if (!strv_isempty(i->dropin_paths)) {
3295 _cleanup_free_ char *dir = NULL;
3299 STRV_FOREACH(dropin, i->dropin_paths) {
3300 if (! dir || last) {
3301 printf(dir ? " " : " Drop-In: ");
3306 if (path_get_parent(*dropin, &dir) < 0) {
3311 printf("%s\n %s", dir,
3312 draw_special_char(DRAW_TREE_RIGHT));
3315 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
3317 printf("%s%s", basename(*dropin), last ? "\n" : ", ");
3321 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
3323 printf(" Active: %s%s (%s)%s",
3324 active_on, strna(i->active_state), ss, active_off);
3326 printf(" Active: %s%s%s",
3327 active_on, strna(i->active_state), active_off);
3329 if (!isempty(i->result) && !streq(i->result, "success"))
3330 printf(" (Result: %s)", i->result);
3332 timestamp = (streq_ptr(i->active_state, "active") ||
3333 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
3334 (streq_ptr(i->active_state, "inactive") ||
3335 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
3336 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
3337 i->active_exit_timestamp;
3339 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
3340 s2 = format_timestamp(since2, sizeof(since2), timestamp);
3343 printf(" since %s; %s\n", s2, s1);
3345 printf(" since %s\n", s2);
3349 if (!i->condition_result && i->condition_timestamp > 0) {
3350 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
3351 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
3353 printf("Condition: start %scondition failed%s at %s%s%s\n",
3354 ansi_highlight_yellow(), ansi_highlight_off(),
3355 s2, s1 ? "; " : "", s1 ? s1 : "");
3356 if (i->failed_condition_trigger)
3357 printf(" none of the trigger conditions were met\n");
3358 else if (i->failed_condition)
3359 printf(" %s=%s%s was not met\n",
3360 i->failed_condition,
3361 i->failed_condition_negate ? "!" : "",
3362 i->failed_condition_parameter);
3365 if (!i->assert_result && i->assert_timestamp > 0) {
3366 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
3367 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
3369 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
3370 ansi_highlight_red(), ansi_highlight_off(),
3371 s2, s1 ? "; " : "", s1 ? s1 : "");
3372 if (i->failed_assert_trigger)
3373 printf(" none of the trigger assertions were met\n");
3374 else if (i->failed_assert)
3375 printf(" %s=%s%s was not met\n",
3377 i->failed_assert_negate ? "!" : "",
3378 i->failed_assert_parameter);
3382 printf(" Device: %s\n", i->sysfs_path);
3384 printf(" Where: %s\n", i->where);
3386 printf(" What: %s\n", i->what);
3388 STRV_FOREACH(t, i->documentation)
3389 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
3391 STRV_FOREACH_PAIR(t, t2, i->listen)
3392 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
3395 printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
3397 LIST_FOREACH(exec, p, i->exec) {
3398 _cleanup_free_ char *argv = NULL;
3401 /* Only show exited processes here */
3405 argv = strv_join(p->argv, " ");
3406 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
3408 good = is_clean_exit_lsb(p->code, p->status, NULL);
3410 on = ansi_highlight_red();
3411 off = ansi_highlight_off();
3415 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
3417 if (p->code == CLD_EXITED) {
3420 printf("status=%i", p->status);
3422 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
3427 printf("signal=%s", signal_to_string(p->status));
3429 printf(")%s\n", off);
3431 if (i->main_pid == p->pid &&
3432 i->start_timestamp == p->start_timestamp &&
3433 i->exit_timestamp == p->start_timestamp)
3434 /* Let's not show this twice */
3437 if (p->pid == i->control_pid)
3441 if (i->main_pid > 0 || i->control_pid > 0) {
3442 if (i->main_pid > 0) {
3443 printf(" Main PID: "PID_FMT, i->main_pid);
3446 _cleanup_free_ char *comm = NULL;
3447 get_process_comm(i->main_pid, &comm);
3449 printf(" (%s)", comm);
3450 } else if (i->exit_code > 0) {
3451 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
3453 if (i->exit_code == CLD_EXITED) {
3456 printf("status=%i", i->exit_status);
3458 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
3463 printf("signal=%s", signal_to_string(i->exit_status));
3467 if (i->control_pid > 0)
3471 if (i->control_pid > 0) {
3472 _cleanup_free_ char *c = NULL;
3474 printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid);
3476 get_process_comm(i->control_pid, &c);
3485 printf(" Status: \"%s\"\n", i->status_text);
3486 if (i->status_errno > 0)
3487 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
3489 if (i->memory_current != (uint64_t) -1) {
3490 char buf[FORMAT_BYTES_MAX];
3492 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
3494 if (i->memory_limit != (uint64_t) -1)
3495 printf(" (limit: %s)\n", format_bytes(buf, sizeof(buf), i->memory_limit));
3500 if (i->control_group &&
3501 (i->main_pid > 0 || i->control_pid > 0 ||
3502 ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) {
3505 printf(" CGroup: %s\n", i->control_group);
3507 if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
3510 static const char prefix[] = " ";
3513 if (c > sizeof(prefix) - 1)
3514 c -= sizeof(prefix) - 1;
3518 if (i->main_pid > 0)
3519 extra[k++] = i->main_pid;
3521 if (i->control_pid > 0)
3522 extra[k++] = i->control_pid;
3524 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, get_output_flags());
3528 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) {
3529 show_journal_by_unit(
3534 i->inactive_exit_timestamp_monotonic,
3537 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
3538 SD_JOURNAL_LOCAL_ONLY,
3539 arg_scope == UNIT_FILE_SYSTEM,
3543 if (i->need_daemon_reload)
3544 warn_unit_file_changed(i->id);
3547 static void show_unit_help(UnitStatusInfo *i) {
3552 if (!i->documentation) {
3553 log_info("Documentation for %s not known.", i->id);
3557 STRV_FOREACH(p, i->documentation)
3558 if (startswith(*p, "man:"))
3559 show_man_page(*p + 4, false);
3561 log_info("Can't show: %s", *p);
3564 static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
3571 switch (contents[0]) {
3573 case SD_BUS_TYPE_STRING: {
3576 r = sd_bus_message_read(m, "s", &s);
3578 return bus_log_parse_error(r);
3581 if (streq(name, "Id"))
3583 else if (streq(name, "LoadState"))
3585 else if (streq(name, "ActiveState"))
3586 i->active_state = s;
3587 else if (streq(name, "SubState"))
3589 else if (streq(name, "Description"))
3591 else if (streq(name, "FragmentPath"))
3592 i->fragment_path = s;
3593 else if (streq(name, "SourcePath"))
3596 else if (streq(name, "DefaultControlGroup")) {
3598 e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":");
3600 i->control_group = e;
3603 else if (streq(name, "ControlGroup"))
3604 i->control_group = s;
3605 else if (streq(name, "StatusText"))
3607 else if (streq(name, "PIDFile"))
3609 else if (streq(name, "SysFSPath"))
3611 else if (streq(name, "Where"))
3613 else if (streq(name, "What"))
3615 else if (streq(name, "Following"))
3617 else if (streq(name, "UnitFileState"))
3618 i->unit_file_state = s;
3619 else if (streq(name, "UnitFilePreset"))
3620 i->unit_file_preset = s;
3621 else if (streq(name, "Result"))
3628 case SD_BUS_TYPE_BOOLEAN: {
3631 r = sd_bus_message_read(m, "b", &b);
3633 return bus_log_parse_error(r);
3635 if (streq(name, "Accept"))
3637 else if (streq(name, "NeedDaemonReload"))
3638 i->need_daemon_reload = b;
3639 else if (streq(name, "ConditionResult"))
3640 i->condition_result = b;
3641 else if (streq(name, "AssertResult"))
3642 i->assert_result = b;
3647 case SD_BUS_TYPE_UINT32: {
3650 r = sd_bus_message_read(m, "u", &u);
3652 return bus_log_parse_error(r);
3654 if (streq(name, "MainPID")) {
3656 i->main_pid = (pid_t) u;
3659 } else if (streq(name, "ControlPID"))
3660 i->control_pid = (pid_t) u;
3661 else if (streq(name, "ExecMainPID")) {
3663 i->main_pid = (pid_t) u;
3664 } else if (streq(name, "NAccepted"))
3666 else if (streq(name, "NConnections"))
3667 i->n_connections = u;
3672 case SD_BUS_TYPE_INT32: {
3675 r = sd_bus_message_read(m, "i", &j);
3677 return bus_log_parse_error(r);
3679 if (streq(name, "ExecMainCode"))
3680 i->exit_code = (int) j;
3681 else if (streq(name, "ExecMainStatus"))
3682 i->exit_status = (int) j;
3683 else if (streq(name, "StatusErrno"))
3684 i->status_errno = (int) j;
3689 case SD_BUS_TYPE_UINT64: {
3692 r = sd_bus_message_read(m, "t", &u);
3694 return bus_log_parse_error(r);
3696 if (streq(name, "ExecMainStartTimestamp"))
3697 i->start_timestamp = (usec_t) u;
3698 else if (streq(name, "ExecMainExitTimestamp"))
3699 i->exit_timestamp = (usec_t) u;
3700 else if (streq(name, "ActiveEnterTimestamp"))
3701 i->active_enter_timestamp = (usec_t) u;
3702 else if (streq(name, "InactiveEnterTimestamp"))
3703 i->inactive_enter_timestamp = (usec_t) u;
3704 else if (streq(name, "InactiveExitTimestamp"))
3705 i->inactive_exit_timestamp = (usec_t) u;
3706 else if (streq(name, "InactiveExitTimestampMonotonic"))
3707 i->inactive_exit_timestamp_monotonic = (usec_t) u;
3708 else if (streq(name, "ActiveExitTimestamp"))
3709 i->active_exit_timestamp = (usec_t) u;
3710 else if (streq(name, "ConditionTimestamp"))
3711 i->condition_timestamp = (usec_t) u;
3712 else if (streq(name, "AssertTimestamp"))
3713 i->assert_timestamp = (usec_t) u;
3714 else if (streq(name, "MemoryCurrent"))
3715 i->memory_current = u;
3716 else if (streq(name, "MemoryLimit"))
3717 i->memory_limit = u;
3722 case SD_BUS_TYPE_ARRAY:
3724 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
3725 _cleanup_free_ ExecStatusInfo *info = NULL;
3727 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
3729 return bus_log_parse_error(r);
3731 info = new0(ExecStatusInfo, 1);
3735 while ((r = exec_status_info_deserialize(m, info)) > 0) {
3737 info->name = strdup(name);
3741 LIST_PREPEND(exec, i->exec, info);
3743 info = new0(ExecStatusInfo, 1);
3749 return bus_log_parse_error(r);
3751 r = sd_bus_message_exit_container(m);
3753 return bus_log_parse_error(r);
3757 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
3758 const char *type, *path;
3760 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3762 return bus_log_parse_error(r);
3764 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
3766 r = strv_extend(&i->listen, type);
3770 r = strv_extend(&i->listen, path);
3775 return bus_log_parse_error(r);
3777 r = sd_bus_message_exit_container(m);
3779 return bus_log_parse_error(r);
3783 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) {
3785 r = sd_bus_message_read_strv(m, &i->dropin_paths);
3787 return bus_log_parse_error(r);
3789 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) {
3791 r = sd_bus_message_read_strv(m, &i->documentation);
3793 return bus_log_parse_error(r);
3795 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) {
3796 const char *cond, *param;
3797 int trigger, negate;
3800 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
3802 return bus_log_parse_error(r);
3804 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
3805 log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
3806 if (state < 0 && (!trigger || !i->failed_condition)) {
3807 i->failed_condition = cond;
3808 i->failed_condition_trigger = trigger;
3809 i->failed_condition_negate = negate;
3810 i->failed_condition_parameter = param;
3814 return bus_log_parse_error(r);
3816 r = sd_bus_message_exit_container(m);
3818 return bus_log_parse_error(r);
3820 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) {
3821 const char *cond, *param;
3822 int trigger, negate;
3825 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
3827 return bus_log_parse_error(r);
3829 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
3830 log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
3831 if (state < 0 && (!trigger || !i->failed_assert)) {
3832 i->failed_assert = cond;
3833 i->failed_assert_trigger = trigger;
3834 i->failed_assert_negate = negate;
3835 i->failed_assert_parameter = param;
3839 return bus_log_parse_error(r);
3841 r = sd_bus_message_exit_container(m);
3843 return bus_log_parse_error(r);
3850 case SD_BUS_TYPE_STRUCT_BEGIN:
3852 if (streq(name, "LoadError")) {
3853 const char *n, *message;
3855 r = sd_bus_message_read(m, "(ss)", &n, &message);
3857 return bus_log_parse_error(r);
3859 if (!isempty(message))
3860 i->load_error = message;
3873 r = sd_bus_message_skip(m, contents);
3875 return bus_log_parse_error(r);
3880 static int print_property(const char *name, sd_bus_message *m, const char *contents) {
3886 /* This is a low-level property printer, see
3887 * print_status_info() for the nicer output */
3889 if (arg_properties && !strv_find(arg_properties, name)) {
3890 /* skip what we didn't read */
3891 r = sd_bus_message_skip(m, contents);
3895 switch (contents[0]) {
3897 case SD_BUS_TYPE_STRUCT_BEGIN:
3899 if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
3902 r = sd_bus_message_read(m, "(uo)", &u, NULL);
3904 return bus_log_parse_error(r);
3907 printf("%s=%"PRIu32"\n", name, u);
3909 printf("%s=\n", name);
3913 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
3916 r = sd_bus_message_read(m, "(so)", &s, NULL);
3918 return bus_log_parse_error(r);
3920 if (arg_all || !isempty(s))
3921 printf("%s=%s\n", name, s);
3925 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
3926 const char *a = NULL, *b = NULL;
3928 r = sd_bus_message_read(m, "(ss)", &a, &b);
3930 return bus_log_parse_error(r);
3932 if (arg_all || !isempty(a) || !isempty(b))
3933 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
3936 } else if (streq_ptr(name, "SystemCallFilter")) {
3937 _cleanup_strv_free_ char **l = NULL;
3940 r = sd_bus_message_enter_container(m, 'r', "bas");
3942 return bus_log_parse_error(r);
3944 r = sd_bus_message_read(m, "b", &whitelist);
3946 return bus_log_parse_error(r);
3948 r = sd_bus_message_read_strv(m, &l);
3950 return bus_log_parse_error(r);
3952 r = sd_bus_message_exit_container(m);
3954 return bus_log_parse_error(r);
3956 if (arg_all || whitelist || !strv_isempty(l)) {
3960 fputs(name, stdout);
3966 STRV_FOREACH(i, l) {
3974 fputc('\n', stdout);
3982 case SD_BUS_TYPE_ARRAY:
3984 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
3988 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
3990 return bus_log_parse_error(r);
3992 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
3993 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
3996 return bus_log_parse_error(r);
3998 r = sd_bus_message_exit_container(m);
4000 return bus_log_parse_error(r);
4004 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
4005 const char *type, *path;
4007 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4009 return bus_log_parse_error(r);
4011 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4012 printf("%s=%s\n", type, path);
4014 return bus_log_parse_error(r);
4016 r = sd_bus_message_exit_container(m);
4018 return bus_log_parse_error(r);
4022 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4023 const char *type, *path;
4025 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4027 return bus_log_parse_error(r);
4029 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4030 printf("Listen%s=%s\n", type, path);
4032 return bus_log_parse_error(r);
4034 r = sd_bus_message_exit_container(m);
4036 return bus_log_parse_error(r);
4040 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) {
4042 uint64_t value, next_elapse;
4044 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4046 return bus_log_parse_error(r);
4048 while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) {
4049 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4051 printf("%s={ value=%s ; next_elapse=%s }\n",
4053 format_timespan(timespan1, sizeof(timespan1), value, 0),
4054 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4057 return bus_log_parse_error(r);
4059 r = sd_bus_message_exit_container(m);
4061 return bus_log_parse_error(r);
4065 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4066 ExecStatusInfo info = {};
4068 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4070 return bus_log_parse_error(r);
4072 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4073 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4074 _cleanup_free_ char *tt;
4076 tt = strv_join(info.argv, " ");
4078 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n",
4082 yes_no(info.ignore),
4083 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4084 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4086 sigchld_code_to_string(info.code),
4088 info.code == CLD_EXITED ? "" : "/",
4089 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4092 strv_free(info.argv);
4096 r = sd_bus_message_exit_container(m);
4098 return bus_log_parse_error(r);
4102 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4103 const char *path, *rwm;
4105 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4107 return bus_log_parse_error(r);
4109 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4110 printf("%s=%s %s\n", name, strna(path), strna(rwm));
4112 return bus_log_parse_error(r);
4114 r = sd_bus_message_exit_container(m);
4116 return bus_log_parse_error(r);
4120 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) {
4124 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4126 return bus_log_parse_error(r);
4128 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4129 printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
4131 return bus_log_parse_error(r);
4133 r = sd_bus_message_exit_container(m);
4135 return bus_log_parse_error(r);
4139 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && (streq(name, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) {
4143 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4145 return bus_log_parse_error(r);
4147 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
4148 printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
4150 return bus_log_parse_error(r);
4152 r = sd_bus_message_exit_container(m);
4154 return bus_log_parse_error(r);
4162 r = bus_print_property(name, m, arg_all);
4164 return bus_log_parse_error(r);
4167 r = sd_bus_message_skip(m, contents);
4169 return bus_log_parse_error(r);
4172 printf("%s=[unprintable]\n", name);
4178 static int show_one(
4182 bool show_properties,
4186 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4187 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4188 UnitStatusInfo info = {
4189 .memory_current = (uint64_t) -1,
4190 .memory_limit = (uint64_t) -1,
4198 log_debug("Showing one %s", path);
4200 r = sd_bus_call_method(
4202 "org.freedesktop.systemd1",
4204 "org.freedesktop.DBus.Properties",
4210 log_error("Failed to get properties: %s", bus_error_message(&error, r));
4214 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
4216 return bus_log_parse_error(r);
4223 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
4224 const char *name, *contents;
4226 r = sd_bus_message_read(reply, "s", &name);
4228 return bus_log_parse_error(r);
4230 r = sd_bus_message_peek_type(reply, NULL, &contents);
4232 return bus_log_parse_error(r);
4234 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
4236 return bus_log_parse_error(r);
4238 if (show_properties)
4239 r = print_property(name, reply, contents);
4241 r = status_property(name, reply, &info, contents);
4245 r = sd_bus_message_exit_container(reply);
4247 return bus_log_parse_error(r);
4249 r = sd_bus_message_exit_container(reply);
4251 return bus_log_parse_error(r);
4254 return bus_log_parse_error(r);
4256 r = sd_bus_message_exit_container(reply);
4258 return bus_log_parse_error(r);
4262 if (!show_properties) {
4263 if (streq(verb, "help"))
4264 show_unit_help(&info);
4266 print_status_info(&info, ellipsized);
4269 strv_free(info.documentation);
4270 strv_free(info.dropin_paths);
4271 strv_free(info.listen);
4273 if (!streq_ptr(info.active_state, "active") &&
4274 !streq_ptr(info.active_state, "reloading") &&
4275 streq(verb, "status")) {
4276 /* According to LSB: "program not running" */
4277 /* 0: program is running or service is OK
4278 * 1: program is dead and /run PID file exists
4279 * 2: program is dead and /run/lock lock file exists
4280 * 3: program is not running
4281 * 4: program or service status is unknown
4283 if (info.pid_file && access(info.pid_file, F_OK) == 0)
4289 while ((p = info.exec)) {
4290 LIST_REMOVE(exec, info.exec, p);
4291 exec_status_info_free(p);
4297 static int get_unit_dbus_path_by_pid(
4302 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4303 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4307 r = sd_bus_call_method(
4309 "org.freedesktop.systemd1",
4310 "/org/freedesktop/systemd1",
4311 "org.freedesktop.systemd1.Manager",
4317 log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
4321 r = sd_bus_message_read(reply, "o", &u);
4323 return bus_log_parse_error(r);
4333 static int show_all(
4336 bool show_properties,
4340 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4341 _cleanup_free_ UnitInfo *unit_infos = NULL;
4346 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
4350 pager_open_if_enabled();
4354 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
4356 for (u = unit_infos; u < unit_infos + c; u++) {
4357 _cleanup_free_ char *p = NULL;
4359 p = unit_dbus_path_from_name(u->id);
4363 r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
4366 else if (r > 0 && ret == 0)
4373 static int show_system_status(sd_bus *bus) {
4374 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4375 _cleanup_free_ char *hn = NULL;
4376 struct machine_info mi = {};
4377 const char *on, *off;
4380 hn = gethostname_malloc();
4384 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi);
4386 return log_error_errno(r, "Failed to read server status: %m");
4388 if (streq_ptr(mi.state, "degraded")) {
4389 on = ansi_highlight_red();
4390 off = ansi_highlight_off();
4391 } else if (!streq_ptr(mi.state, "running")) {
4392 on = ansi_highlight_yellow();
4393 off = ansi_highlight_off();
4397 printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
4399 printf(" State: %s%s%s\n",
4400 on, strna(mi.state), off);
4402 printf(" Jobs: %u queued\n", mi.n_jobs);
4403 printf(" Failed: %u units\n", mi.n_failed_units);
4405 printf(" Since: %s; %s\n",
4406 format_timestamp(since2, sizeof(since2), mi.timestamp),
4407 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
4409 printf(" CGroup: %s\n", mi.control_group ?: "/");
4410 if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
4411 static const char prefix[] = " ";
4415 if (c > sizeof(prefix) - 1)
4416 c -= sizeof(prefix) - 1;
4420 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags());
4424 free(mi.control_group);
4429 static int show(sd_bus *bus, char **args) {
4430 bool show_properties, show_status, new_line = false;
4431 bool ellipsized = false;
4437 show_properties = streq(args[0], "show");
4438 show_status = streq(args[0], "status");
4440 if (show_properties)
4441 pager_open_if_enabled();
4443 /* If no argument is specified inspect the manager itself */
4445 if (show_properties && strv_length(args) <= 1)
4446 return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
4448 if (show_status && strv_length(args) <= 1) {
4450 pager_open_if_enabled();
4451 show_system_status(bus);
4455 ret = show_all(args[0], bus, false, &new_line, &ellipsized);
4457 _cleanup_free_ char **patterns = NULL;
4460 STRV_FOREACH(name, args + 1) {
4461 _cleanup_free_ char *unit = NULL;
4464 if (safe_atou32(*name, &id) < 0) {
4465 if (strv_push(&patterns, *name) < 0)
4469 } else if (show_properties) {
4470 /* Interpret as job id */
4471 if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0)
4475 /* Interpret as PID */
4476 r = get_unit_dbus_path_by_pid(bus, id, &unit);
4483 r = show_one(args[0], bus, unit, show_properties,
4484 &new_line, &ellipsized);
4487 else if (r > 0 && ret == 0)
4491 if (!strv_isempty(patterns)) {
4492 _cleanup_strv_free_ char **names = NULL;
4494 r = expand_names(bus, patterns, NULL, &names);
4496 log_error_errno(r, "Failed to expand names: %m");
4498 STRV_FOREACH(name, names) {
4499 _cleanup_free_ char *unit;
4501 unit = unit_dbus_path_from_name(*name);
4505 r = show_one(args[0], bus, unit, show_properties,
4506 &new_line, &ellipsized);
4509 else if (r > 0 && ret == 0)
4515 if (ellipsized && !arg_quiet)
4516 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
4521 static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) {
4525 assert(user_runtime);
4528 if (arg_scope == UNIT_FILE_USER) {
4529 r = user_config_home(user_home);
4531 return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
4533 return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set.");
4535 r = user_runtime_dir(user_runtime);
4537 return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
4539 return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set.");
4542 r = lookup_paths_init_from_scope(lp, arg_scope, arg_root);
4544 return log_error_errno(r, "Failed to lookup unit lookup paths: %m");
4549 static int cat(sd_bus *bus, char **args) {
4550 _cleanup_free_ char *user_home = NULL;
4551 _cleanup_free_ char *user_runtime = NULL;
4552 _cleanup_lookup_paths_free_ LookupPaths lp = {};
4553 _cleanup_strv_free_ char **names = NULL;
4555 bool first = true, avoid_bus_cache;
4560 r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
4564 r = expand_names(bus, args + 1, NULL, &names);
4566 log_error_errno(r, "Failed to expand names: %m");
4568 avoid_bus_cache = !bus || avoid_bus();
4570 pager_open_if_enabled();
4572 STRV_FOREACH(name, names) {
4573 _cleanup_free_ char *fragment_path = NULL;
4574 _cleanup_strv_free_ char **dropin_paths = NULL;
4577 r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths);
4581 log_warning("Unit %s does not have any files on disk", *name);
4590 if (fragment_path) {
4591 printf("%s# %s%s\n",
4592 ansi_highlight_blue(),
4594 ansi_highlight_off());
4597 r = copy_file_fd(fragment_path, STDOUT_FILENO, false);
4599 log_warning_errno(r, "Failed to cat %s: %m", fragment_path);
4604 STRV_FOREACH(path, dropin_paths) {
4605 printf("%s%s# %s%s\n",
4606 isempty(fragment_path) && path == dropin_paths ? "" : "\n",
4607 ansi_highlight_blue(),
4609 ansi_highlight_off());
4612 r = copy_file_fd(*path, STDOUT_FILENO, false);
4614 log_warning_errno(r, "Failed to cat %s: %m", *path);
4620 return r < 0 ? r : 0;
4623 static int set_property(sd_bus *bus, char **args) {
4624 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4625 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4626 _cleanup_free_ char *n = NULL;
4630 polkit_agent_open_if_enabled();
4632 r = sd_bus_message_new_method_call(
4635 "org.freedesktop.systemd1",
4636 "/org/freedesktop/systemd1",
4637 "org.freedesktop.systemd1.Manager",
4638 "SetUnitProperties");
4640 return bus_log_create_error(r);
4642 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4644 return bus_log_create_error(r);
4646 n = unit_name_mangle(args[1], MANGLE_NOGLOB);
4650 r = sd_bus_message_append(m, "sb", n, arg_runtime);
4652 return bus_log_create_error(r);
4654 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
4656 return bus_log_create_error(r);
4658 STRV_FOREACH(i, args + 2) {
4659 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
4661 return bus_log_create_error(r);
4663 r = bus_append_unit_property_assignment(m, *i);
4667 r = sd_bus_message_close_container(m);
4669 return bus_log_create_error(r);
4672 r = sd_bus_message_close_container(m);
4674 return bus_log_create_error(r);
4676 r = sd_bus_call(bus, m, 0, &error, NULL);
4678 log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
4685 static int snapshot(sd_bus *bus, char **args) {
4686 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4687 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
4688 _cleanup_free_ char *n = NULL, *id = NULL;
4692 polkit_agent_open_if_enabled();
4694 if (strv_length(args) > 1)
4695 n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
4701 r = sd_bus_message_new_method_call(
4704 "org.freedesktop.systemd1",
4705 "/org/freedesktop/systemd1",
4706 "org.freedesktop.systemd1.Manager",
4709 return bus_log_create_error(r);
4711 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4713 return bus_log_create_error(r);
4715 r = sd_bus_message_append(m, "sb", n, false);
4717 return bus_log_create_error(r);
4719 r = sd_bus_call(bus, m, 0, &error, &reply);
4721 log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
4725 r = sd_bus_message_read(reply, "o", &path);
4727 return bus_log_parse_error(r);
4729 r = sd_bus_get_property_string(
4731 "org.freedesktop.systemd1",
4733 "org.freedesktop.systemd1.Unit",
4738 log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r));
4748 static int delete_snapshot(sd_bus *bus, char **args) {
4749 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4750 _cleanup_strv_free_ char **names = NULL;
4756 polkit_agent_open_if_enabled();
4758 r = expand_names(bus, args + 1, ".snapshot", &names);
4760 log_error_errno(r, "Failed to expand names: %m");
4762 STRV_FOREACH(name, names) {
4763 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4766 q = sd_bus_message_new_method_call(
4769 "org.freedesktop.systemd1",
4770 "/org/freedesktop/systemd1",
4771 "org.freedesktop.systemd1.Manager",
4774 return bus_log_create_error(q);
4776 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4778 return bus_log_create_error(q);
4780 q = sd_bus_message_append(m, "s", *name);
4782 return bus_log_create_error(q);
4784 q = sd_bus_call(bus, m, 0, &error, NULL);
4786 log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q));
4795 static int daemon_reload(sd_bus *bus, char **args) {
4796 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4797 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4801 polkit_agent_open_if_enabled();
4803 if (arg_action == ACTION_RELOAD)
4805 else if (arg_action == ACTION_REEXEC)
4806 method = "Reexecute";
4808 assert(arg_action == ACTION_SYSTEMCTL);
4811 streq(args[0], "clear-jobs") ||
4812 streq(args[0], "cancel") ? "ClearJobs" :
4813 streq(args[0], "daemon-reexec") ? "Reexecute" :
4814 streq(args[0], "reset-failed") ? "ResetFailed" :
4815 streq(args[0], "halt") ? "Halt" :
4816 streq(args[0], "poweroff") ? "PowerOff" :
4817 streq(args[0], "reboot") ? "Reboot" :
4818 streq(args[0], "kexec") ? "KExec" :
4819 streq(args[0], "exit") ? "Exit" :
4820 /* "daemon-reload" */ "Reload";
4823 r = sd_bus_message_new_method_call(
4826 "org.freedesktop.systemd1",
4827 "/org/freedesktop/systemd1",
4828 "org.freedesktop.systemd1.Manager",
4831 return bus_log_create_error(r);
4833 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4835 return bus_log_create_error(r);
4837 r = sd_bus_call(bus, m, 0, &error, NULL);
4838 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
4839 /* There's always a fallback possible for
4840 * legacy actions. */
4842 else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute"))
4843 /* On reexecution, we expect a disconnect, not a
4847 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
4849 return r < 0 ? r : 0;
4852 static int reset_failed(sd_bus *bus, char **args) {
4853 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4854 _cleanup_strv_free_ char **names = NULL;
4858 if (strv_length(args) <= 1)
4859 return daemon_reload(bus, args);
4861 polkit_agent_open_if_enabled();
4863 r = expand_names(bus, args + 1, NULL, &names);
4865 log_error_errno(r, "Failed to expand names: %m");
4867 STRV_FOREACH(name, names) {
4868 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4870 q = sd_bus_message_new_method_call(
4873 "org.freedesktop.systemd1",
4874 "/org/freedesktop/systemd1",
4875 "org.freedesktop.systemd1.Manager",
4878 return bus_log_create_error(q);
4880 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4882 return bus_log_create_error(q);
4884 q = sd_bus_message_append(m, "s", *name);
4886 return bus_log_create_error(q);
4888 q = sd_bus_call(bus, m, 0, &error, NULL);
4890 log_error("Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
4899 static int show_environment(sd_bus *bus, char **args) {
4900 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4901 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4905 pager_open_if_enabled();
4907 r = sd_bus_get_property(
4909 "org.freedesktop.systemd1",
4910 "/org/freedesktop/systemd1",
4911 "org.freedesktop.systemd1.Manager",
4917 log_error("Failed to get environment: %s", bus_error_message(&error, r));
4921 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
4923 return bus_log_parse_error(r);
4925 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0)
4928 return bus_log_parse_error(r);
4930 r = sd_bus_message_exit_container(reply);
4932 return bus_log_parse_error(r);
4937 static int switch_root(sd_bus *bus, char **args) {
4938 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4939 _cleanup_free_ char *cmdline_init = NULL;
4940 const char *root, *init;
4944 l = strv_length(args);
4945 if (l < 2 || l > 3) {
4946 log_error("Wrong number of arguments.");
4955 r = parse_env_file("/proc/cmdline", WHITESPACE,
4956 "init", &cmdline_init,
4959 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
4961 init = cmdline_init;
4968 const char *root_systemd_path = NULL, *root_init_path = NULL;
4970 root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
4971 root_init_path = strappenda(root, "/", init);
4973 /* If the passed init is actually the same as the
4974 * systemd binary, then let's suppress it. */
4975 if (files_same(root_init_path, root_systemd_path) > 0)
4979 log_debug("Switching root - root: %s; init: %s", root, strna(init));
4981 r = sd_bus_call_method(
4983 "org.freedesktop.systemd1",
4984 "/org/freedesktop/systemd1",
4985 "org.freedesktop.systemd1.Manager",
4991 log_error("Failed to switch root: %s", bus_error_message(&error, r));
4998 static int set_environment(sd_bus *bus, char **args) {
4999 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5000 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
5007 method = streq(args[0], "set-environment")
5009 : "UnsetEnvironment";
5011 r = sd_bus_message_new_method_call(
5014 "org.freedesktop.systemd1",
5015 "/org/freedesktop/systemd1",
5016 "org.freedesktop.systemd1.Manager",
5019 return bus_log_create_error(r);
5021 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5023 return bus_log_create_error(r);
5025 r = sd_bus_message_append_strv(m, args + 1);
5027 return bus_log_create_error(r);
5029 r = sd_bus_call(bus, m, 0, &error, NULL);
5031 log_error("Failed to set environment: %s", bus_error_message(&error, r));
5038 static int import_environment(sd_bus *bus, char **args) {
5039 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5040 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
5046 r = sd_bus_message_new_method_call(
5049 "org.freedesktop.systemd1",
5050 "/org/freedesktop/systemd1",
5051 "org.freedesktop.systemd1.Manager",
5054 return bus_log_create_error(r);
5056 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5058 return bus_log_create_error(r);
5060 if (strv_isempty(args + 1))
5061 r = sd_bus_message_append_strv(m, environ);
5065 r = sd_bus_message_open_container(m, 'a', "s");
5067 return bus_log_create_error(r);
5069 STRV_FOREACH(a, args + 1) {
5071 if (!env_name_is_valid(*a)) {
5072 log_error("Not a valid environment variable name: %s", *a);
5076 STRV_FOREACH(b, environ) {
5079 eq = startswith(*b, *a);
5080 if (eq && *eq == '=') {
5082 r = sd_bus_message_append(m, "s", *b);
5084 return bus_log_create_error(r);
5091 r = sd_bus_message_close_container(m);
5094 return bus_log_create_error(r);
5096 r = sd_bus_call(bus, m, 0, &error, NULL);
5098 log_error("Failed to import environment: %s", bus_error_message(&error, r));
5105 static int enable_sysv_units(const char *verb, char **args) {
5108 #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG)
5110 _cleanup_lookup_paths_free_ LookupPaths paths = {};
5112 if (arg_scope != UNIT_FILE_SYSTEM)
5115 if (!streq(verb, "enable") &&
5116 !streq(verb, "disable") &&
5117 !streq(verb, "is-enabled"))
5120 /* Processes all SysV units, and reshuffles the array so that
5121 * afterwards only the native units remain */
5123 r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, arg_root, NULL, NULL, NULL);
5130 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5131 bool found_native = false, found_sysv;
5133 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
5141 if (!endswith(name, ".service"))
5144 if (path_is_absolute(name))
5147 STRV_FOREACH(k, paths.unit_path) {
5148 _cleanup_free_ char *path = NULL;
5150 path = path_join(arg_root, *k, name);
5154 found_native = access(path, F_OK) >= 0;
5162 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5166 p[strlen(p) - strlen(".service")] = 0;
5167 found_sysv = access(p, F_OK) >= 0;
5171 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
5173 if (!isempty(arg_root))
5174 argv[c++] = q = strappend("--root=", arg_root);
5176 argv[c++] = basename(p);
5178 streq(verb, "enable") ? "on" :
5179 streq(verb, "disable") ? "off" : "--level=5";
5182 l = strv_join((char**)argv, " ");
5186 log_info("Executing %s", l);
5190 return log_error_errno(errno, "Failed to fork: %m");
5191 else if (pid == 0) {
5194 execv(argv[0], (char**) argv);
5195 _exit(EXIT_FAILURE);
5198 j = wait_for_terminate(pid, &status);
5200 log_error_errno(r, "Failed to wait for child: %m");
5204 if (status.si_code == CLD_EXITED) {
5205 if (streq(verb, "is-enabled")) {
5206 if (status.si_status == 0) {
5215 } else if (status.si_status != 0)
5220 /* Remove this entry, so that we don't try enabling it as native unit */
5223 assert(args[f] == name);
5224 strv_remove(args, name);
5231 static int mangle_names(char **original_names, char ***mangled_names) {
5232 char **i, **l, **name;
5234 l = new(char*, strv_length(original_names) + 1);
5239 STRV_FOREACH(name, original_names) {
5241 /* When enabling units qualified path names are OK,
5242 * too, hence allow them explicitly. */
5247 *i = unit_name_mangle(*name, MANGLE_NOGLOB);
5263 static int enable_unit(sd_bus *bus, char **args) {
5264 _cleanup_strv_free_ char **names = NULL;
5265 const char *verb = args[0];
5266 UnitFileChange *changes = NULL;
5267 unsigned n_changes = 0;
5268 int carries_install_info = -1;
5274 r = mangle_names(args+1, &names);
5278 r = enable_sysv_units(verb, names);
5282 /* If the operation was fully executed by the SysV compat,
5283 * let's finish early */
5284 if (strv_isempty(names))
5287 if (!bus || avoid_bus()) {
5288 if (streq(verb, "enable")) {
5289 r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5290 carries_install_info = r;
5291 } else if (streq(verb, "disable"))
5292 r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
5293 else if (streq(verb, "reenable")) {
5294 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5295 carries_install_info = r;
5296 } else if (streq(verb, "link"))
5297 r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5298 else if (streq(verb, "preset")) {
5299 r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes);
5300 carries_install_info = r;
5301 } else if (streq(verb, "mask"))
5302 r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5303 else if (streq(verb, "unmask"))
5304 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
5306 assert_not_reached("Unknown verb");
5309 log_error_errno(r, "Operation failed: %m");
5314 dump_unit_file_changes(changes, n_changes);
5318 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
5319 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5320 int expect_carries_install_info = false;
5321 bool send_force = true, send_preset_mode = false;
5324 polkit_agent_open_if_enabled();
5326 if (streq(verb, "enable")) {
5327 method = "EnableUnitFiles";
5328 expect_carries_install_info = true;
5329 } else if (streq(verb, "disable")) {
5330 method = "DisableUnitFiles";
5332 } else if (streq(verb, "reenable")) {
5333 method = "ReenableUnitFiles";
5334 expect_carries_install_info = true;
5335 } else if (streq(verb, "link"))
5336 method = "LinkUnitFiles";
5337 else if (streq(verb, "preset")) {
5339 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
5340 method = "PresetUnitFilesWithMode";
5341 send_preset_mode = true;
5343 method = "PresetUnitFiles";
5345 expect_carries_install_info = true;
5346 } else if (streq(verb, "mask"))
5347 method = "MaskUnitFiles";
5348 else if (streq(verb, "unmask")) {
5349 method = "UnmaskUnitFiles";
5352 assert_not_reached("Unknown verb");
5354 r = sd_bus_message_new_method_call(
5357 "org.freedesktop.systemd1",
5358 "/org/freedesktop/systemd1",
5359 "org.freedesktop.systemd1.Manager",
5362 return bus_log_create_error(r);
5364 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5366 return bus_log_create_error(r);
5368 r = sd_bus_message_append_strv(m, names);
5370 return bus_log_create_error(r);
5372 if (send_preset_mode) {
5373 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
5375 return bus_log_create_error(r);
5378 r = sd_bus_message_append(m, "b", arg_runtime);
5380 return bus_log_create_error(r);
5383 r = sd_bus_message_append(m, "b", arg_force);
5385 return bus_log_create_error(r);
5388 r = sd_bus_call(bus, m, 0, &error, &reply);
5390 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5394 if (expect_carries_install_info) {
5395 r = sd_bus_message_read(reply, "b", &carries_install_info);
5397 return bus_log_parse_error(r);
5400 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5404 /* Try to reload if enabled */
5406 r = daemon_reload(bus, args);
5411 if (carries_install_info == 0)
5412 log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
5413 "using systemctl.\n"
5414 "Possible reasons for having this kind of units are:\n"
5415 "1) A unit may be statically enabled by being symlinked from another unit's\n"
5416 " .wants/ or .requires/ directory.\n"
5417 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
5418 " a requirement dependency on it.\n"
5419 "3) A unit may be started when needed via activation (socket, path, timer,\n"
5420 " D-Bus, udev, scripted systemctl call, ...).\n");
5423 unit_file_changes_free(changes, n_changes);
5428 static int add_dependency(sd_bus *bus, char **args) {
5429 _cleanup_strv_free_ char **names = NULL;
5430 _cleanup_free_ char *target = NULL;
5431 const char *verb = args[0];
5438 target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
5442 r = mangle_names(args+2, &names);
5446 if (streq(verb, "add-wants"))
5448 else if (streq(verb, "add-requires"))
5449 dep = UNIT_REQUIRES;
5451 assert_not_reached("Unknown verb");
5453 if (!bus || avoid_bus()) {
5454 UnitFileChange *changes = NULL;
5455 unsigned n_changes = 0;
5457 r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes);
5460 return log_error_errno(r, "Can't add dependency: %m");
5463 dump_unit_file_changes(changes, n_changes);
5465 unit_file_changes_free(changes, n_changes);
5468 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
5469 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5471 polkit_agent_open_if_enabled();
5473 r = sd_bus_message_new_method_call(
5476 "org.freedesktop.systemd1",
5477 "/org/freedesktop/systemd1",
5478 "org.freedesktop.systemd1.Manager",
5479 "AddDependencyUnitFiles");
5481 return bus_log_create_error(r);
5483 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5485 return bus_log_create_error(r);
5487 r = sd_bus_message_append_strv(m, names);
5489 return bus_log_create_error(r);
5491 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
5493 return bus_log_create_error(r);
5495 r = sd_bus_call(bus, m, 0, &error, &reply);
5497 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5501 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5506 r = daemon_reload(bus, args);
5514 static int preset_all(sd_bus *bus, char **args) {
5515 UnitFileChange *changes = NULL;
5516 unsigned n_changes = 0;
5519 if (!bus || avoid_bus()) {
5521 r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
5523 log_error_errno(r, "Operation failed: %m");
5528 dump_unit_file_changes(changes, n_changes);
5533 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
5534 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5536 polkit_agent_open_if_enabled();
5538 r = sd_bus_message_new_method_call(
5541 "org.freedesktop.systemd1",
5542 "/org/freedesktop/systemd1",
5543 "org.freedesktop.systemd1.Manager",
5544 "PresetAllUnitFiles");
5546 return bus_log_create_error(r);
5548 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5550 return bus_log_create_error(r);
5552 r = sd_bus_message_append(
5555 unit_file_preset_mode_to_string(arg_preset_mode),
5559 return bus_log_create_error(r);
5561 r = sd_bus_call(bus, m, 0, &error, &reply);
5563 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5567 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5572 r = daemon_reload(bus, args);
5578 unit_file_changes_free(changes, n_changes);
5583 static int unit_is_enabled(sd_bus *bus, char **args) {
5585 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5586 _cleanup_strv_free_ char **names = NULL;
5591 r = mangle_names(args+1, &names);
5595 r = enable_sysv_units(args[0], names);
5601 if (!bus || avoid_bus()) {
5603 STRV_FOREACH(name, names) {
5604 UnitFileState state;
5606 state = unit_file_get_state(arg_scope, arg_root, *name);
5608 return log_error_errno(state, "Failed to get unit file state for %s: %m", *name);
5610 if (state == UNIT_FILE_ENABLED ||
5611 state == UNIT_FILE_ENABLED_RUNTIME ||
5612 state == UNIT_FILE_STATIC ||
5613 state == UNIT_FILE_INDIRECT)
5617 puts(unit_file_state_to_string(state));
5621 STRV_FOREACH(name, names) {
5622 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
5625 r = sd_bus_call_method(
5627 "org.freedesktop.systemd1",
5628 "/org/freedesktop/systemd1",
5629 "org.freedesktop.systemd1.Manager",
5635 log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
5639 r = sd_bus_message_read(reply, "s", &s);
5641 return bus_log_parse_error(r);
5643 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect"))
5654 static int is_system_running(sd_bus *bus, char **args) {
5655 _cleanup_free_ char *state = NULL;
5658 r = sd_bus_get_property_string(
5660 "org.freedesktop.systemd1",
5661 "/org/freedesktop/systemd1",
5662 "org.freedesktop.systemd1.Manager",
5675 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
5678 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
5683 assert(original_path);
5686 r = tempfn_random(new_path, &t);
5688 return log_error_errno(r, "Failed to determine temporary filename for %s: %m", new_path);
5690 r = mkdir_parents(new_path, 0755);
5692 log_error_errno(r, "Failed to create directories for %s: %m", new_path);
5697 r = copy_file(original_path, t, 0, 0644, 0);
5701 log_error_errno(r, "Failed to create temporary file %s: %m", t);
5706 log_error_errno(r, "Failed to copy %s to %s: %m", original_path, t);
5716 static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) {
5717 _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL;
5719 switch (arg_scope) {
5720 case UNIT_FILE_SYSTEM:
5721 path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name);
5723 run = path_join(arg_root, "/run/systemd/system/", name);
5725 case UNIT_FILE_GLOBAL:
5726 path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
5728 run = path_join(arg_root, "/run/systemd/user/", name);
5730 case UNIT_FILE_USER:
5732 assert(user_runtime);
5734 path = path_join(arg_root, user_home, name);
5736 path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
5739 run = path_join(arg_root, user_runtime, name);
5743 assert_not_reached("Invalid scope");
5745 if (!path || (arg_runtime && !run))
5749 if (access(path, F_OK) >= 0)
5750 return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
5752 if (path2 && access(path2, F_OK) >= 0)
5753 return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
5766 static int unit_file_create_dropin(const char *unit_name, const char *user_home, const char *user_runtime, char **ret_new_path, char **ret_tmp_path) {
5767 char *tmp_new_path, *ending;
5772 assert(ret_new_path);
5773 assert(ret_tmp_path);
5775 ending = strappenda(unit_name, ".d/override.conf");
5776 r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path);
5780 r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
5786 *ret_new_path = tmp_new_path;
5787 *ret_tmp_path = tmp_tmp_path;
5792 static int unit_file_create_copy(const char *unit_name,
5793 const char *fragment_path,
5794 const char *user_home,
5795 const char *user_runtime,
5796 char **ret_new_path,
5797 char **ret_tmp_path) {
5802 assert(fragment_path);
5804 assert(ret_new_path);
5805 assert(ret_tmp_path);
5807 r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path);
5811 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
5814 r = ask_char(&response, "yn", "%s already exists, are you sure to overwrite it with %s? [(y)es, (n)o] ", tmp_new_path, fragment_path);
5819 if (response != 'y') {
5820 log_warning("%s ignored", unit_name);
5826 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
5828 log_error_errno(r, "Failed to create temporary file for %s: %m", tmp_new_path);
5833 *ret_new_path = tmp_new_path;
5834 *ret_tmp_path = tmp_tmp_path;
5839 static int run_editor(char **paths) {
5847 log_error_errno(errno, "Failed to fork: %m");
5853 char **backup_editors = STRV_MAKE("nano", "vim", "vi");
5855 char **tmp_path, **original_path, **p;
5859 argc = strv_length(paths)/2 + 1;
5860 args = newa(const char*, argc + 1);
5863 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
5864 args[i] = *tmp_path;
5869 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
5870 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
5871 * we try to execute well known editors
5873 editor = getenv("SYSTEMD_EDITOR");
5875 editor = getenv("EDITOR");
5877 editor = getenv("VISUAL");
5879 if (!isempty(editor)) {
5881 execvp(editor, (char* const*) args);
5884 STRV_FOREACH(p, backup_editors) {
5886 execvp(*p, (char* const*) args);
5887 /* We do not fail if the editor doesn't exist
5888 * because we want to try each one of them before
5891 if (errno != ENOENT) {
5892 log_error("Failed to execute %s: %m", editor);
5893 _exit(EXIT_FAILURE);
5897 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR or $EDITOR or $VISUAL.");
5898 _exit(EXIT_FAILURE);
5901 r = wait_for_terminate_and_warn("editor", pid, true);
5903 return log_error_errno(r, "Failed to wait for child: %m");
5908 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
5909 _cleanup_free_ char *user_home = NULL;
5910 _cleanup_free_ char *user_runtime = NULL;
5911 _cleanup_lookup_paths_free_ LookupPaths lp = {};
5912 bool avoid_bus_cache;
5919 r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
5923 avoid_bus_cache = !bus || avoid_bus();
5925 STRV_FOREACH(name, names) {
5926 _cleanup_free_ char *path = NULL;
5927 char *new_path, *tmp_path;
5929 r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL);
5932 else if (r == 0 || !path)
5933 // FIXME: support units with path==NULL (no FragmentPath)
5934 return log_error_errno(ENOENT, "Unit %s not found, cannot edit.", *name);
5937 r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path);
5939 r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path);
5943 r = strv_push_pair(paths, new_path, tmp_path);
5951 static int edit(sd_bus *bus, char **args) {
5952 _cleanup_strv_free_ char **names = NULL;
5953 _cleanup_strv_free_ char **paths = NULL;
5954 char **original, **tmp;
5960 log_error("Cannot edit units if we are not on a tty");
5964 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5965 log_error("Cannot remotely edit units");
5969 r = expand_names(bus, args + 1, NULL, &names);
5971 return log_error_errno(r, "Failed to expand names: %m");
5974 log_error("No unit name found by expanding names");
5978 r = find_paths_to_edit(bus, names, &paths);
5982 if (strv_isempty(paths)) {
5983 log_error("Cannot find any units to edit");
5987 r = run_editor(paths);
5991 STRV_FOREACH_PAIR(original, tmp, paths) {
5992 /* If the temporary file is empty we ignore it.
5993 * It's useful if the user wants to cancel its modification
5995 if (null_or_empty_path(*tmp)) {
5996 log_warning("Edition of %s canceled: temporary file empty", *original);
5999 r = rename(*tmp, *original);
6001 r = log_error_errno(errno, "Failed to rename %s to %s: %m", *tmp, *original);
6006 if (!arg_no_reload && bus && !avoid_bus())
6007 r = daemon_reload(bus, args);
6010 STRV_FOREACH_PAIR(original, tmp, paths)
6011 unlink_noerrno(*tmp);
6016 static void systemctl_help(void) {
6018 pager_open_if_enabled();
6020 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
6021 "Query or send control commands to the systemd manager.\n\n"
6022 " -h --help Show this help\n"
6023 " --version Show package version\n"
6024 " --system Connect to system manager\n"
6025 " --user Connect to user service manager\n"
6026 " -H --host=[USER@]HOST\n"
6027 " Operate on remote host\n"
6028 " -M --machine=CONTAINER\n"
6029 " Operate on local container\n"
6030 " -t --type=TYPE List units of a particular type\n"
6031 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
6032 " -p --property=NAME Show only properties by this name\n"
6033 " -a --all Show all loaded units/properties, including dead/empty\n"
6034 " ones. To list all units installed on the system, use\n"
6035 " the 'list-unit-files' command instead.\n"
6036 " -l --full Don't ellipsize unit names on output\n"
6037 " -r --recursive Show unit list of host and local containers\n"
6038 " --reverse Show reverse dependencies with 'list-dependencies'\n"
6039 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
6040 " queueing a new job\n"
6041 " --show-types When showing sockets, explicitly show their type\n"
6042 " -i --ignore-inhibitors\n"
6043 " When shutting down or sleeping, ignore inhibitors\n"
6044 " --kill-who=WHO Who to send signal to\n"
6045 " -s --signal=SIGNAL Which signal to send\n"
6046 " -q --quiet Suppress output\n"
6047 " --no-block Do not wait until operation finished\n"
6048 " --no-wall Don't send wall message before halt/power-off/reboot\n"
6049 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
6050 " --no-legend Do not print a legend (column headers and hints)\n"
6051 " --no-pager Do not pipe output into a pager\n"
6052 " --no-ask-password\n"
6053 " Do not ask for system passwords\n"
6054 " --global Enable/disable unit files globally\n"
6055 " --runtime Enable unit files only temporarily until next reboot\n"
6056 " -f --force When enabling unit files, override existing symlinks\n"
6057 " When shutting down, execute action immediately\n"
6058 " --preset-mode= Apply only enable, only disable, or all presets\n"
6059 " --root=PATH Enable unit files in the specified root directory\n"
6060 " -n --lines=INTEGER Number of journal entries to show\n"
6061 " -o --output=STRING Change journal output mode (short, short-iso,\n"
6062 " short-precise, short-monotonic, verbose,\n"
6063 " export, json, json-pretty, json-sse, cat)\n"
6064 " --plain Print unit dependencies as a list instead of a tree\n\n"
6066 " list-units [PATTERN...] List loaded units\n"
6067 " list-sockets [PATTERN...] List loaded sockets ordered by address\n"
6068 " list-timers [PATTERN...] List loaded timers ordered by next elapse\n"
6069 " start NAME... Start (activate) one or more units\n"
6070 " stop NAME... Stop (deactivate) one or more units\n"
6071 " reload NAME... Reload one or more units\n"
6072 " restart NAME... Start or restart one or more units\n"
6073 " try-restart NAME... Restart one or more units if active\n"
6074 " reload-or-restart NAME... Reload one or more units if possible,\n"
6075 " otherwise start or restart\n"
6076 " reload-or-try-restart NAME... Reload one or more units if possible,\n"
6077 " otherwise restart if active\n"
6078 " isolate NAME Start one unit and stop all others\n"
6079 " kill NAME... Send signal to processes of a unit\n"
6080 " is-active PATTERN... Check whether units are active\n"
6081 " is-failed PATTERN... Check whether units are failed\n"
6082 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
6083 " show [PATTERN...|JOB...] Show properties of one or more\n"
6084 " units/jobs or the manager\n"
6085 " cat PATTERN... Show files and drop-ins of one or more units\n"
6086 " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n"
6087 " help PATTERN...|PID... Show manual for one or more units\n"
6088 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
6090 " list-dependencies [NAME] Recursively show units which are required\n"
6091 " or wanted by this unit or by which this\n"
6092 " unit is required or wanted\n\n"
6093 "Unit File Commands:\n"
6094 " list-unit-files [PATTERN...] List installed unit files\n"
6095 " enable NAME... Enable one or more unit files\n"
6096 " disable NAME... Disable one or more unit files\n"
6097 " reenable NAME... Reenable one or more unit files\n"
6098 " preset NAME... Enable/disable one or more unit files\n"
6099 " based on preset configuration\n"
6100 " preset-all Enable/disable all unit files based on\n"
6101 " preset configuration\n"
6102 " is-enabled NAME... Check whether unit files are enabled\n"
6103 " mask NAME... Mask one or more units\n"
6104 " unmask NAME... Unmask one or more units\n"
6105 " link PATH... Link one or more units files into\n"
6106 " the search path\n"
6107 " add-wants TARGET NAME... Add 'Wants' dependency for the target\n"
6108 " on specified one or more units\n"
6109 " add-requires TARGET NAME... Add 'Requires' dependency for the target\n"
6110 " on specified one or more units\n"
6111 " edit NAME... Edit one or more unit files\n"
6112 " get-default Get the name of the default target\n"
6113 " set-default NAME Set the default target\n\n"
6114 "Machine Commands:\n"
6115 " list-machines [PATTERN...] List local containers and host\n\n"
6117 " list-jobs [PATTERN...] List jobs\n"
6118 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
6119 "Snapshot Commands:\n"
6120 " snapshot [NAME] Create a snapshot\n"
6121 " delete NAME... Remove one or more snapshots\n\n"
6122 "Environment Commands:\n"
6123 " show-environment Dump environment\n"
6124 " set-environment NAME=VALUE... Set one or more environment variables\n"
6125 " unset-environment NAME... Unset one or more environment variables\n"
6126 " import-environment [NAME...] Import all or some environment variables\n\n"
6127 "Manager Lifecycle Commands:\n"
6128 " daemon-reload Reload systemd manager configuration\n"
6129 " daemon-reexec Reexecute systemd manager\n\n"
6130 "System Commands:\n"
6131 " is-system-running Check whether system is fully running\n"
6132 " default Enter system default mode\n"
6133 " rescue Enter system rescue mode\n"
6134 " emergency Enter system emergency mode\n"
6135 " halt Shut down and halt the system\n"
6136 " poweroff Shut down and power-off the system\n"
6137 " reboot [ARG] Shut down and reboot the system\n"
6138 " kexec Shut down and reboot the system with kexec\n"
6139 " exit Request user instance exit\n"
6140 " switch-root ROOT [INIT] Change to a different root file system\n"
6141 " suspend Suspend the system\n"
6142 " hibernate Hibernate the system\n"
6143 " hybrid-sleep Hibernate and suspend the system\n",
6144 program_invocation_short_name);
6147 static void halt_help(void) {
6148 printf("%s [OPTIONS...]%s\n\n"
6149 "%s the system.\n\n"
6150 " --help Show this help\n"
6151 " --halt Halt the machine\n"
6152 " -p --poweroff Switch off the machine\n"
6153 " --reboot Reboot the machine\n"
6154 " -f --force Force immediate halt/power-off/reboot\n"
6155 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
6156 " -d --no-wtmp Don't write wtmp record\n"
6157 " --no-wall Don't send wall message before halt/power-off/reboot\n",
6158 program_invocation_short_name,
6159 arg_action == ACTION_REBOOT ? " [ARG]" : "",
6160 arg_action == ACTION_REBOOT ? "Reboot" :
6161 arg_action == ACTION_POWEROFF ? "Power off" :
6165 static void shutdown_help(void) {
6166 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
6167 "Shut down the system.\n\n"
6168 " --help Show this help\n"
6169 " -H --halt Halt the machine\n"
6170 " -P --poweroff Power-off the machine\n"
6171 " -r --reboot Reboot the machine\n"
6172 " -h Equivalent to --poweroff, overridden by --halt\n"
6173 " -k Don't halt/power-off/reboot, just send warnings\n"
6174 " --no-wall Don't send wall message before halt/power-off/reboot\n"
6175 " -c Cancel a pending shutdown\n",
6176 program_invocation_short_name);
6179 static void telinit_help(void) {
6180 printf("%s [OPTIONS...] {COMMAND}\n\n"
6181 "Send control commands to the init daemon.\n\n"
6182 " --help Show this help\n"
6183 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
6185 " 0 Power-off the machine\n"
6186 " 6 Reboot the machine\n"
6187 " 2, 3, 4, 5 Start runlevelX.target unit\n"
6188 " 1, s, S Enter rescue mode\n"
6189 " q, Q Reload init daemon configuration\n"
6190 " u, U Reexecute init daemon\n",
6191 program_invocation_short_name);
6194 static void runlevel_help(void) {
6195 printf("%s [OPTIONS...]\n\n"
6196 "Prints the previous and current runlevel of the init system.\n\n"
6197 " --help Show this help\n",
6198 program_invocation_short_name);
6201 static void help_types(void) {
6206 puts("Available unit types:");
6207 for (i = 0; i < _UNIT_TYPE_MAX; i++) {
6208 t = unit_type_to_string(i);
6214 static int systemctl_parse_argv(int argc, char *argv[]) {
6223 ARG_IGNORE_DEPENDENCIES,
6235 ARG_NO_ASK_PASSWORD,
6245 static const struct option options[] = {
6246 { "help", no_argument, NULL, 'h' },
6247 { "version", no_argument, NULL, ARG_VERSION },
6248 { "type", required_argument, NULL, 't' },
6249 { "property", required_argument, NULL, 'p' },
6250 { "all", no_argument, NULL, 'a' },
6251 { "reverse", no_argument, NULL, ARG_REVERSE },
6252 { "after", no_argument, NULL, ARG_AFTER },
6253 { "before", no_argument, NULL, ARG_BEFORE },
6254 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
6255 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
6256 { "full", no_argument, NULL, 'l' },
6257 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
6258 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
6259 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
6260 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
6261 { "ignore-inhibitors", no_argument, NULL, 'i' },
6262 { "user", no_argument, NULL, ARG_USER },
6263 { "system", no_argument, NULL, ARG_SYSTEM },
6264 { "global", no_argument, NULL, ARG_GLOBAL },
6265 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
6266 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
6267 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
6268 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6269 { "quiet", no_argument, NULL, 'q' },
6270 { "root", required_argument, NULL, ARG_ROOT },
6271 { "force", no_argument, NULL, ARG_FORCE },
6272 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
6273 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
6274 { "signal", required_argument, NULL, 's' },
6275 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
6276 { "host", required_argument, NULL, 'H' },
6277 { "machine", required_argument, NULL, 'M' },
6278 { "runtime", no_argument, NULL, ARG_RUNTIME },
6279 { "lines", required_argument, NULL, 'n' },
6280 { "output", required_argument, NULL, 'o' },
6281 { "plain", no_argument, NULL, ARG_PLAIN },
6282 { "state", required_argument, NULL, ARG_STATE },
6283 { "recursive", no_argument, NULL, 'r' },
6284 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
6293 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
6302 puts(PACKAGE_STRING);
6303 puts(SYSTEMD_FEATURES);
6307 const char *word, *state;
6310 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6311 _cleanup_free_ char *type;
6313 type = strndup(word, size);
6317 if (streq(type, "help")) {
6322 if (unit_type_from_string(type) >= 0) {
6323 if (strv_push(&arg_types, type))
6329 /* It's much nicer to use --state= for
6330 * load states, but let's support this
6331 * in --types= too for compatibility
6332 * with old versions */
6333 if (unit_load_state_from_string(optarg) >= 0) {
6334 if (strv_push(&arg_states, type) < 0)
6340 log_error("Unknown unit type or load state '%s'.", type);
6341 log_info("Use -t help to see a list of allowed values.");
6349 /* Make sure that if the empty property list
6350 was specified, we won't show any properties. */
6351 if (isempty(optarg) && !arg_properties) {
6352 arg_properties = new0(char*, 1);
6353 if (!arg_properties)
6356 const char *word, *state;
6359 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6362 prop = strndup(word, size);
6366 if (strv_consume(&arg_properties, prop) < 0)
6371 /* If the user asked for a particular
6372 * property, show it to him, even if it is
6384 arg_dependency = DEPENDENCY_REVERSE;
6388 arg_dependency = DEPENDENCY_AFTER;
6392 arg_dependency = DEPENDENCY_BEFORE;
6395 case ARG_SHOW_TYPES:
6396 arg_show_types = true;
6400 arg_job_mode = optarg;
6404 arg_job_mode = "fail";
6407 case ARG_IRREVERSIBLE:
6408 arg_job_mode = "replace-irreversibly";
6411 case ARG_IGNORE_DEPENDENCIES:
6412 arg_job_mode = "ignore-dependencies";
6416 arg_scope = UNIT_FILE_USER;
6420 arg_scope = UNIT_FILE_SYSTEM;
6424 arg_scope = UNIT_FILE_GLOBAL;
6428 arg_no_block = true;
6432 arg_no_legend = true;
6436 arg_no_pager = true;
6452 if (strv_extend(&arg_states, "failed") < 0)
6470 arg_no_reload = true;
6474 arg_kill_who = optarg;
6478 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
6479 log_error("Failed to parse signal string %s.", optarg);
6484 case ARG_NO_ASK_PASSWORD:
6485 arg_ask_password = false;
6489 arg_transport = BUS_TRANSPORT_REMOTE;
6494 arg_transport = BUS_TRANSPORT_MACHINE;
6503 if (safe_atou(optarg, &arg_lines) < 0) {
6504 log_error("Failed to parse lines '%s'", optarg);
6510 arg_output = output_mode_from_string(optarg);
6511 if (arg_output < 0) {
6512 log_error("Unknown output '%s'.", optarg);
6518 arg_ignore_inhibitors = true;
6526 const char *word, *state;
6529 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6532 s = strndup(word, size);
6536 if (strv_consume(&arg_states, s) < 0)
6543 if (geteuid() != 0) {
6544 log_error("--recursive requires root privileges.");
6548 arg_recursive = true;
6551 case ARG_PRESET_MODE:
6553 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
6554 if (arg_preset_mode < 0) {
6555 log_error("Failed to parse preset mode: %s.", optarg);
6565 assert_not_reached("Unhandled option");
6568 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
6569 log_error("Cannot access user instance remotely.");
6576 static int halt_parse_argv(int argc, char *argv[]) {
6585 static const struct option options[] = {
6586 { "help", no_argument, NULL, ARG_HELP },
6587 { "halt", no_argument, NULL, ARG_HALT },
6588 { "poweroff", no_argument, NULL, 'p' },
6589 { "reboot", no_argument, NULL, ARG_REBOOT },
6590 { "force", no_argument, NULL, 'f' },
6591 { "wtmp-only", no_argument, NULL, 'w' },
6592 { "no-wtmp", no_argument, NULL, 'd' },
6593 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6602 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
6603 if (runlevel == '0' || runlevel == '6')
6606 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
6614 arg_action = ACTION_HALT;
6618 if (arg_action != ACTION_REBOOT)
6619 arg_action = ACTION_POWEROFF;
6623 arg_action = ACTION_REBOOT;
6645 /* Compatibility nops */
6652 assert_not_reached("Unhandled option");
6655 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
6656 r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL);
6659 } else if (optind < argc) {
6660 log_error("Too many arguments.");
6667 static int parse_time_spec(const char *t, usec_t *_u) {
6671 if (streq(t, "now"))
6673 else if (!strchr(t, ':')) {
6676 if (safe_atou64(t, &u) < 0)
6679 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
6688 hour = strtol(t, &e, 10);
6689 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
6692 minute = strtol(e+1, &e, 10);
6693 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
6696 n = now(CLOCK_REALTIME);
6697 s = (time_t) (n / USEC_PER_SEC);
6699 assert_se(localtime_r(&s, &tm));
6701 tm.tm_hour = (int) hour;
6702 tm.tm_min = (int) minute;
6705 assert_se(s = mktime(&tm));
6707 *_u = (usec_t) s * USEC_PER_SEC;
6710 *_u += USEC_PER_DAY;
6716 static int shutdown_parse_argv(int argc, char *argv[]) {
6723 static const struct option options[] = {
6724 { "help", no_argument, NULL, ARG_HELP },
6725 { "halt", no_argument, NULL, 'H' },
6726 { "poweroff", no_argument, NULL, 'P' },
6727 { "reboot", no_argument, NULL, 'r' },
6728 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
6729 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6738 while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", options, NULL)) >= 0)
6746 arg_action = ACTION_HALT;
6750 arg_action = ACTION_POWEROFF;
6755 arg_action = ACTION_KEXEC;
6757 arg_action = ACTION_REBOOT;
6761 arg_action = ACTION_KEXEC;
6765 if (arg_action != ACTION_HALT)
6766 arg_action = ACTION_POWEROFF;
6781 /* Compatibility nops */
6785 arg_action = ACTION_CANCEL_SHUTDOWN;
6792 assert_not_reached("Unhandled option");
6795 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
6796 r = parse_time_spec(argv[optind], &arg_when);
6798 log_error("Failed to parse time specification: %s", argv[optind]);
6802 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
6804 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
6805 /* No time argument for shutdown cancel */
6806 arg_wall = argv + optind;
6807 else if (argc > optind + 1)
6808 /* We skip the time argument */
6809 arg_wall = argv + optind + 1;
6816 static int telinit_parse_argv(int argc, char *argv[]) {
6823 static const struct option options[] = {
6824 { "help", no_argument, NULL, ARG_HELP },
6825 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6829 static const struct {
6833 { '0', ACTION_POWEROFF },
6834 { '6', ACTION_REBOOT },
6835 { '1', ACTION_RESCUE },
6836 { '2', ACTION_RUNLEVEL2 },
6837 { '3', ACTION_RUNLEVEL3 },
6838 { '4', ACTION_RUNLEVEL4 },
6839 { '5', ACTION_RUNLEVEL5 },
6840 { 's', ACTION_RESCUE },
6841 { 'S', ACTION_RESCUE },
6842 { 'q', ACTION_RELOAD },
6843 { 'Q', ACTION_RELOAD },
6844 { 'u', ACTION_REEXEC },
6845 { 'U', ACTION_REEXEC }
6854 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
6869 assert_not_reached("Unhandled option");
6872 if (optind >= argc) {
6873 log_error("%s: required argument missing.",
6874 program_invocation_short_name);
6878 if (optind + 1 < argc) {
6879 log_error("Too many arguments.");
6883 if (strlen(argv[optind]) != 1) {
6884 log_error("Expected single character argument.");
6888 for (i = 0; i < ELEMENTSOF(table); i++)
6889 if (table[i].from == argv[optind][0])
6892 if (i >= ELEMENTSOF(table)) {
6893 log_error("Unknown command '%s'.", argv[optind]);
6897 arg_action = table[i].to;
6904 static int runlevel_parse_argv(int argc, char *argv[]) {
6910 static const struct option options[] = {
6911 { "help", no_argument, NULL, ARG_HELP },
6920 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
6931 assert_not_reached("Unhandled option");
6934 if (optind < argc) {
6935 log_error("Too many arguments.");
6942 static int parse_argv(int argc, char *argv[]) {
6946 if (program_invocation_short_name) {
6948 if (strstr(program_invocation_short_name, "halt")) {
6949 arg_action = ACTION_HALT;
6950 return halt_parse_argv(argc, argv);
6951 } else if (strstr(program_invocation_short_name, "poweroff")) {
6952 arg_action = ACTION_POWEROFF;
6953 return halt_parse_argv(argc, argv);
6954 } else if (strstr(program_invocation_short_name, "reboot")) {
6956 arg_action = ACTION_KEXEC;
6958 arg_action = ACTION_REBOOT;
6959 return halt_parse_argv(argc, argv);
6960 } else if (strstr(program_invocation_short_name, "shutdown")) {
6961 arg_action = ACTION_POWEROFF;
6962 return shutdown_parse_argv(argc, argv);
6963 } else if (strstr(program_invocation_short_name, "init")) {
6965 if (sd_booted() > 0) {
6966 arg_action = _ACTION_INVALID;
6967 return telinit_parse_argv(argc, argv);
6969 /* Hmm, so some other init system is
6970 * running, we need to forward this
6971 * request to it. For now we simply
6972 * guess that it is Upstart. */
6974 execv(TELINIT, argv);
6976 log_error("Couldn't find an alternative telinit implementation to spawn.");
6980 } else if (strstr(program_invocation_short_name, "runlevel")) {
6981 arg_action = ACTION_RUNLEVEL;
6982 return runlevel_parse_argv(argc, argv);
6986 arg_action = ACTION_SYSTEMCTL;
6987 return systemctl_parse_argv(argc, argv);
6990 _pure_ static int action_to_runlevel(void) {
6992 static const char table[_ACTION_MAX] = {
6993 [ACTION_HALT] = '0',
6994 [ACTION_POWEROFF] = '0',
6995 [ACTION_REBOOT] = '6',
6996 [ACTION_RUNLEVEL2] = '2',
6997 [ACTION_RUNLEVEL3] = '3',
6998 [ACTION_RUNLEVEL4] = '4',
6999 [ACTION_RUNLEVEL5] = '5',
7000 [ACTION_RESCUE] = '1'
7003 assert(arg_action < _ACTION_MAX);
7005 return table[arg_action];
7008 static int talk_initctl(void) {
7010 struct init_request request = {
7011 .magic = INIT_MAGIC,
7013 .cmd = INIT_CMD_RUNLVL
7016 _cleanup_close_ int fd = -1;
7020 rl = action_to_runlevel();
7024 request.runlevel = rl;
7026 fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
7028 if (errno == ENOENT)
7031 log_error_errno(errno, "Failed to open "INIT_FIFO": %m");
7035 r = loop_write(fd, &request, sizeof(request), false);
7037 return log_error_errno(r, "Failed to write to "INIT_FIFO": %m");
7042 static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
7044 static const struct {
7052 int (* const dispatch)(sd_bus *bus, char **args);
7058 { "list-units", MORE, 0, list_units },
7059 { "list-unit-files", MORE, 1, list_unit_files, NOBUS },
7060 { "list-sockets", MORE, 1, list_sockets },
7061 { "list-timers", MORE, 1, list_timers },
7062 { "list-jobs", MORE, 1, list_jobs },
7063 { "list-machines", MORE, 1, list_machines },
7064 { "clear-jobs", EQUAL, 1, daemon_reload },
7065 { "cancel", MORE, 2, cancel_job },
7066 { "start", MORE, 2, start_unit },
7067 { "stop", MORE, 2, start_unit },
7068 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
7069 { "reload", MORE, 2, start_unit },
7070 { "restart", MORE, 2, start_unit },
7071 { "try-restart", MORE, 2, start_unit },
7072 { "reload-or-restart", MORE, 2, start_unit },
7073 { "reload-or-try-restart", MORE, 2, start_unit },
7074 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
7075 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
7076 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
7077 { "isolate", EQUAL, 2, start_unit },
7078 { "kill", MORE, 2, kill_unit },
7079 { "is-active", MORE, 2, check_unit_active },
7080 { "check", MORE, 2, check_unit_active },
7081 { "is-failed", MORE, 2, check_unit_failed },
7082 { "show", MORE, 1, show },
7083 { "cat", MORE, 2, cat, NOBUS },
7084 { "status", MORE, 1, show },
7085 { "help", MORE, 2, show },
7086 { "snapshot", LESS, 2, snapshot },
7087 { "delete", MORE, 2, delete_snapshot },
7088 { "daemon-reload", EQUAL, 1, daemon_reload },
7089 { "daemon-reexec", EQUAL, 1, daemon_reload },
7090 { "show-environment", EQUAL, 1, show_environment },
7091 { "set-environment", MORE, 2, set_environment },
7092 { "unset-environment", MORE, 2, set_environment },
7093 { "import-environment", MORE, 1, import_environment},
7094 { "halt", EQUAL, 1, start_special, FORCE },
7095 { "poweroff", EQUAL, 1, start_special, FORCE },
7096 { "reboot", EQUAL, 1, start_special, FORCE },
7097 { "kexec", EQUAL, 1, start_special },
7098 { "suspend", EQUAL, 1, start_special },
7099 { "hibernate", EQUAL, 1, start_special },
7100 { "hybrid-sleep", EQUAL, 1, start_special },
7101 { "default", EQUAL, 1, start_special },
7102 { "rescue", EQUAL, 1, start_special },
7103 { "emergency", EQUAL, 1, start_special },
7104 { "exit", EQUAL, 1, start_special },
7105 { "reset-failed", MORE, 1, reset_failed },
7106 { "enable", MORE, 2, enable_unit, NOBUS },
7107 { "disable", MORE, 2, enable_unit, NOBUS },
7108 { "is-enabled", MORE, 2, unit_is_enabled, NOBUS },
7109 { "reenable", MORE, 2, enable_unit, NOBUS },
7110 { "preset", MORE, 2, enable_unit, NOBUS },
7111 { "preset-all", EQUAL, 1, preset_all, NOBUS },
7112 { "mask", MORE, 2, enable_unit, NOBUS },
7113 { "unmask", MORE, 2, enable_unit, NOBUS },
7114 { "link", MORE, 2, enable_unit, NOBUS },
7115 { "switch-root", MORE, 2, switch_root },
7116 { "list-dependencies", LESS, 2, list_dependencies },
7117 { "set-default", EQUAL, 2, set_default, NOBUS },
7118 { "get-default", EQUAL, 1, get_default, NOBUS },
7119 { "set-property", MORE, 3, set_property },
7120 { "is-system-running", EQUAL, 1, is_system_running },
7121 { "add-wants", MORE, 3, add_dependency, NOBUS },
7122 { "add-requires", MORE, 3, add_dependency, NOBUS },
7123 { "edit", MORE, 2, edit, NOBUS },
7132 left = argc - optind;
7134 /* Special rule: no arguments (left == 0) means "list-units" */
7136 if (streq(argv[optind], "help") && !argv[optind+1]) {
7137 log_error("This command expects one or more "
7138 "unit names. Did you mean --help?");
7142 for (; verb->verb; verb++)
7143 if (streq(argv[optind], verb->verb))
7146 log_error("Unknown operation '%s'.", argv[optind]);
7151 switch (verb->argc_cmp) {
7154 if (left != verb->argc) {
7155 log_error("Invalid number of arguments.");
7162 if (left < verb->argc) {
7163 log_error("Too few arguments.");
7170 if (left > verb->argc) {
7171 log_error("Too many arguments.");
7178 assert_not_reached("Unknown comparison operator.");
7181 /* Require a bus connection for all operations but
7183 if (verb->bus == NOBUS) {
7184 if (!bus && !avoid_bus()) {
7185 log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
7190 if (running_in_chroot() > 0) {
7191 log_info("Running in chroot, ignoring request.");
7195 if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
7196 log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
7201 return verb->dispatch(bus, argv + optind);
7204 static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
7206 struct sd_shutdown_command c = {
7213 union sockaddr_union sockaddr = {
7214 .un.sun_family = AF_UNIX,
7215 .un.sun_path = "/run/systemd/shutdownd",
7218 struct iovec iovec[2] = {{
7219 .iov_base = (char*) &c,
7220 .iov_len = offsetof(struct sd_shutdown_command, wall_message),
7223 struct msghdr msghdr = {
7224 .msg_name = &sockaddr,
7225 .msg_namelen = offsetof(struct sockaddr_un, sun_path)
7226 + strlen("/run/systemd/shutdownd"),
7231 _cleanup_close_ int fd;
7233 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
7237 if (!isempty(message)) {
7238 iovec[1].iov_base = (char*) message;
7239 iovec[1].iov_len = strlen(message);
7240 msghdr.msg_iovlen++;
7243 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0)
7249 static int reload_with_fallback(sd_bus *bus) {
7252 /* First, try systemd via D-Bus. */
7253 if (daemon_reload(bus, NULL) >= 0)
7257 /* Nothing else worked, so let's try signals */
7258 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
7260 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
7261 return log_error_errno(errno, "kill() failed: %m");
7266 static int start_with_fallback(sd_bus *bus) {
7269 /* First, try systemd via D-Bus. */
7270 if (start_unit(bus, NULL) >= 0)
7274 /* Nothing else worked, so let's try
7276 if (talk_initctl() > 0)
7279 log_error("Failed to talk to init daemon.");
7283 warn_wall(arg_action);
7287 static int halt_now(enum action a) {
7289 /* The kernel will automaticall flush ATA disks and suchlike
7290 * on reboot(), but the file systems need to be synce'd
7291 * explicitly in advance. */
7294 /* Make sure C-A-D is handled by the kernel from this point
7296 reboot(RB_ENABLE_CAD);
7301 log_info("Halting.");
7302 reboot(RB_HALT_SYSTEM);
7305 case ACTION_POWEROFF:
7306 log_info("Powering off.");
7307 reboot(RB_POWER_OFF);
7310 case ACTION_REBOOT: {
7311 _cleanup_free_ char *param = NULL;
7313 if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) {
7314 log_info("Rebooting with argument '%s'.", param);
7315 syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
7316 LINUX_REBOOT_CMD_RESTART2, param);
7319 log_info("Rebooting.");
7320 reboot(RB_AUTOBOOT);
7325 assert_not_reached("Unknown action.");
7329 static int halt_main(sd_bus *bus) {
7332 r = check_inhibitors(bus, arg_action);
7336 if (geteuid() != 0) {
7337 /* Try logind if we are a normal user and no special
7338 * mode applies. Maybe PolicyKit allows us to shutdown
7341 if (arg_when <= 0 &&
7344 (arg_action == ACTION_POWEROFF ||
7345 arg_action == ACTION_REBOOT)) {
7346 r = reboot_with_logind(bus, arg_action);
7351 log_error("Must be root.");
7356 _cleanup_free_ char *m;
7358 m = strv_join(arg_wall, " ");
7362 r = send_shutdownd(arg_when,
7363 arg_action == ACTION_HALT ? 'H' :
7364 arg_action == ACTION_POWEROFF ? 'P' :
7365 arg_action == ACTION_KEXEC ? 'K' :
7372 log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m");
7374 char date[FORMAT_TIMESTAMP_MAX];
7376 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
7377 format_timestamp(date, sizeof(date), arg_when));
7382 if (!arg_dry && !arg_force)
7383 return start_with_fallback(bus);
7386 if (sd_booted() > 0)
7387 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
7389 r = utmp_put_shutdown();
7391 log_warning_errno(r, "Failed to write utmp record: %m");
7398 r = halt_now(arg_action);
7399 log_error_errno(r, "Failed to reboot: %m");
7404 static int runlevel_main(void) {
7405 int r, runlevel, previous;
7407 r = utmp_get_runlevel(&runlevel, &previous);
7414 previous <= 0 ? 'N' : previous,
7415 runlevel <= 0 ? 'N' : runlevel);
7420 int main(int argc, char*argv[]) {
7421 _cleanup_bus_close_unref_ sd_bus *bus = NULL;
7424 setlocale(LC_ALL, "");
7425 log_parse_environment();
7428 /* Explicitly not on_tty() to avoid setting cached value.
7429 * This becomes relevant for piping output which might be
7431 original_stdout_is_tty = isatty(STDOUT_FILENO);
7433 r = parse_argv(argc, argv);
7437 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
7438 * let's shortcut this */
7439 if (arg_action == ACTION_RUNLEVEL) {
7440 r = runlevel_main();
7444 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
7445 log_info("Running in chroot, ignoring request.");
7450 /* Increase max number of open files to 16K if we can, we
7451 * might needs this when browsing journal files, which might
7452 * be split up into many files. */
7453 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
7456 r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
7458 /* systemctl_main() will print an error message for the bus
7459 * connection, but only if it needs to */
7461 switch (arg_action) {
7463 case ACTION_SYSTEMCTL:
7464 r = systemctl_main(bus, argc, argv, r);
7468 case ACTION_POWEROFF:
7474 case ACTION_RUNLEVEL2:
7475 case ACTION_RUNLEVEL3:
7476 case ACTION_RUNLEVEL4:
7477 case ACTION_RUNLEVEL5:
7479 case ACTION_EMERGENCY:
7480 case ACTION_DEFAULT:
7481 r = start_with_fallback(bus);
7486 r = reload_with_fallback(bus);
7489 case ACTION_CANCEL_SHUTDOWN: {
7490 _cleanup_free_ char *m = NULL;
7493 m = strv_join(arg_wall, " ");
7500 r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m);
7502 log_warning_errno(r, "Failed to talk to shutdownd, shutdown hasn't been cancelled: %m");
7506 case ACTION_RUNLEVEL:
7507 case _ACTION_INVALID:
7509 assert_not_reached("Unknown action");
7514 ask_password_agent_close();
7515 polkit_agent_close();
7517 strv_free(arg_types);
7518 strv_free(arg_states);
7519 strv_free(arg_properties);
7521 return r < 0 ? EXIT_FAILURE : r;