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 */
3227 LIST_HEAD(ExecStatusInfo, exec);
3230 static void print_status_info(
3235 const char *active_on, *active_off, *on, *off, *ss;
3237 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
3238 char since2[FORMAT_TIMESTAMP_MAX], *s2;
3244 /* This shows pretty information about a unit. See
3245 * print_property() for a low-level property printer */
3247 if (streq_ptr(i->active_state, "failed")) {
3248 active_on = ansi_highlight_red();
3249 active_off = ansi_highlight_off();
3250 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
3251 active_on = ansi_highlight_green();
3252 active_off = ansi_highlight_off();
3254 active_on = active_off = "";
3256 printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
3258 if (i->description && !streq_ptr(i->id, i->description))
3259 printf(" - %s", i->description);
3264 printf(" Follow: unit currently follows state of %s\n", i->following);
3266 if (streq_ptr(i->load_state, "error")) {
3267 on = ansi_highlight_red();
3268 off = ansi_highlight_off();
3272 path = i->source_path ? i->source_path : i->fragment_path;
3275 printf(" Loaded: %s%s%s (Reason: %s)\n",
3276 on, strna(i->load_state), off, i->load_error);
3277 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset))
3278 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
3279 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
3280 else if (path && !isempty(i->unit_file_state))
3281 printf(" Loaded: %s%s%s (%s; %s)\n",
3282 on, strna(i->load_state), off, path, i->unit_file_state);
3284 printf(" Loaded: %s%s%s (%s)\n",
3285 on, strna(i->load_state), off, path);
3287 printf(" Loaded: %s%s%s\n",
3288 on, strna(i->load_state), off);
3290 if (!strv_isempty(i->dropin_paths)) {
3291 _cleanup_free_ char *dir = NULL;
3295 STRV_FOREACH(dropin, i->dropin_paths) {
3296 if (! dir || last) {
3297 printf(dir ? " " : " Drop-In: ");
3302 if (path_get_parent(*dropin, &dir) < 0) {
3307 printf("%s\n %s", dir,
3308 draw_special_char(DRAW_TREE_RIGHT));
3311 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
3313 printf("%s%s", basename(*dropin), last ? "\n" : ", ");
3317 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
3319 printf(" Active: %s%s (%s)%s",
3320 active_on, strna(i->active_state), ss, active_off);
3322 printf(" Active: %s%s%s",
3323 active_on, strna(i->active_state), active_off);
3325 if (!isempty(i->result) && !streq(i->result, "success"))
3326 printf(" (Result: %s)", i->result);
3328 timestamp = (streq_ptr(i->active_state, "active") ||
3329 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
3330 (streq_ptr(i->active_state, "inactive") ||
3331 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
3332 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
3333 i->active_exit_timestamp;
3335 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
3336 s2 = format_timestamp(since2, sizeof(since2), timestamp);
3339 printf(" since %s; %s\n", s2, s1);
3341 printf(" since %s\n", s2);
3345 if (!i->condition_result && i->condition_timestamp > 0) {
3346 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
3347 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
3349 printf("Condition: start %scondition failed%s at %s%s%s\n",
3350 ansi_highlight_yellow(), ansi_highlight_off(),
3351 s2, s1 ? "; " : "", s1 ? s1 : "");
3352 if (i->failed_condition_trigger)
3353 printf(" none of the trigger conditions were met\n");
3354 else if (i->failed_condition)
3355 printf(" %s=%s%s was not met\n",
3356 i->failed_condition,
3357 i->failed_condition_negate ? "!" : "",
3358 i->failed_condition_parameter);
3361 if (!i->assert_result && i->assert_timestamp > 0) {
3362 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
3363 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
3365 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
3366 ansi_highlight_red(), ansi_highlight_off(),
3367 s2, s1 ? "; " : "", s1 ? s1 : "");
3368 if (i->failed_assert_trigger)
3369 printf(" none of the trigger assertions were met\n");
3370 else if (i->failed_assert)
3371 printf(" %s=%s%s was not met\n",
3373 i->failed_assert_negate ? "!" : "",
3374 i->failed_assert_parameter);
3378 printf(" Device: %s\n", i->sysfs_path);
3380 printf(" Where: %s\n", i->where);
3382 printf(" What: %s\n", i->what);
3384 STRV_FOREACH(t, i->documentation)
3385 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
3387 STRV_FOREACH_PAIR(t, t2, i->listen)
3388 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
3391 printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
3393 LIST_FOREACH(exec, p, i->exec) {
3394 _cleanup_free_ char *argv = NULL;
3397 /* Only show exited processes here */
3401 argv = strv_join(p->argv, " ");
3402 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
3404 good = is_clean_exit_lsb(p->code, p->status, NULL);
3406 on = ansi_highlight_red();
3407 off = ansi_highlight_off();
3411 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
3413 if (p->code == CLD_EXITED) {
3416 printf("status=%i", p->status);
3418 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
3423 printf("signal=%s", signal_to_string(p->status));
3425 printf(")%s\n", off);
3427 if (i->main_pid == p->pid &&
3428 i->start_timestamp == p->start_timestamp &&
3429 i->exit_timestamp == p->start_timestamp)
3430 /* Let's not show this twice */
3433 if (p->pid == i->control_pid)
3437 if (i->main_pid > 0 || i->control_pid > 0) {
3438 if (i->main_pid > 0) {
3439 printf(" Main PID: "PID_FMT, i->main_pid);
3442 _cleanup_free_ char *comm = NULL;
3443 get_process_comm(i->main_pid, &comm);
3445 printf(" (%s)", comm);
3446 } else if (i->exit_code > 0) {
3447 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
3449 if (i->exit_code == CLD_EXITED) {
3452 printf("status=%i", i->exit_status);
3454 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
3459 printf("signal=%s", signal_to_string(i->exit_status));
3463 if (i->control_pid > 0)
3467 if (i->control_pid > 0) {
3468 _cleanup_free_ char *c = NULL;
3470 printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid);
3472 get_process_comm(i->control_pid, &c);
3481 printf(" Status: \"%s\"\n", i->status_text);
3482 if (i->status_errno > 0)
3483 printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
3485 if (i->control_group &&
3486 (i->main_pid > 0 || i->control_pid > 0 ||
3487 ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) {
3490 printf(" CGroup: %s\n", i->control_group);
3492 if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
3495 static const char prefix[] = " ";
3498 if (c > sizeof(prefix) - 1)
3499 c -= sizeof(prefix) - 1;
3503 if (i->main_pid > 0)
3504 extra[k++] = i->main_pid;
3506 if (i->control_pid > 0)
3507 extra[k++] = i->control_pid;
3509 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, get_output_flags());
3513 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) {
3514 show_journal_by_unit(
3519 i->inactive_exit_timestamp_monotonic,
3522 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
3523 SD_JOURNAL_LOCAL_ONLY,
3524 arg_scope == UNIT_FILE_SYSTEM,
3528 if (i->need_daemon_reload)
3529 warn_unit_file_changed(i->id);
3532 static void show_unit_help(UnitStatusInfo *i) {
3537 if (!i->documentation) {
3538 log_info("Documentation for %s not known.", i->id);
3542 STRV_FOREACH(p, i->documentation)
3543 if (startswith(*p, "man:"))
3544 show_man_page(*p + 4, false);
3546 log_info("Can't show: %s", *p);
3549 static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
3556 switch (contents[0]) {
3558 case SD_BUS_TYPE_STRING: {
3561 r = sd_bus_message_read(m, "s", &s);
3563 return bus_log_parse_error(r);
3566 if (streq(name, "Id"))
3568 else if (streq(name, "LoadState"))
3570 else if (streq(name, "ActiveState"))
3571 i->active_state = s;
3572 else if (streq(name, "SubState"))
3574 else if (streq(name, "Description"))
3576 else if (streq(name, "FragmentPath"))
3577 i->fragment_path = s;
3578 else if (streq(name, "SourcePath"))
3581 else if (streq(name, "DefaultControlGroup")) {
3583 e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":");
3585 i->control_group = e;
3588 else if (streq(name, "ControlGroup"))
3589 i->control_group = s;
3590 else if (streq(name, "StatusText"))
3592 else if (streq(name, "PIDFile"))
3594 else if (streq(name, "SysFSPath"))
3596 else if (streq(name, "Where"))
3598 else if (streq(name, "What"))
3600 else if (streq(name, "Following"))
3602 else if (streq(name, "UnitFileState"))
3603 i->unit_file_state = s;
3604 else if (streq(name, "UnitFilePreset"))
3605 i->unit_file_preset = s;
3606 else if (streq(name, "Result"))
3613 case SD_BUS_TYPE_BOOLEAN: {
3616 r = sd_bus_message_read(m, "b", &b);
3618 return bus_log_parse_error(r);
3620 if (streq(name, "Accept"))
3622 else if (streq(name, "NeedDaemonReload"))
3623 i->need_daemon_reload = b;
3624 else if (streq(name, "ConditionResult"))
3625 i->condition_result = b;
3626 else if (streq(name, "AssertResult"))
3627 i->assert_result = b;
3632 case SD_BUS_TYPE_UINT32: {
3635 r = sd_bus_message_read(m, "u", &u);
3637 return bus_log_parse_error(r);
3639 if (streq(name, "MainPID")) {
3641 i->main_pid = (pid_t) u;
3644 } else if (streq(name, "ControlPID"))
3645 i->control_pid = (pid_t) u;
3646 else if (streq(name, "ExecMainPID")) {
3648 i->main_pid = (pid_t) u;
3649 } else if (streq(name, "NAccepted"))
3651 else if (streq(name, "NConnections"))
3652 i->n_connections = u;
3657 case SD_BUS_TYPE_INT32: {
3660 r = sd_bus_message_read(m, "i", &j);
3662 return bus_log_parse_error(r);
3664 if (streq(name, "ExecMainCode"))
3665 i->exit_code = (int) j;
3666 else if (streq(name, "ExecMainStatus"))
3667 i->exit_status = (int) j;
3668 else if (streq(name, "StatusErrno"))
3669 i->status_errno = (int) j;
3674 case SD_BUS_TYPE_UINT64: {
3677 r = sd_bus_message_read(m, "t", &u);
3679 return bus_log_parse_error(r);
3681 if (streq(name, "ExecMainStartTimestamp"))
3682 i->start_timestamp = (usec_t) u;
3683 else if (streq(name, "ExecMainExitTimestamp"))
3684 i->exit_timestamp = (usec_t) u;
3685 else if (streq(name, "ActiveEnterTimestamp"))
3686 i->active_enter_timestamp = (usec_t) u;
3687 else if (streq(name, "InactiveEnterTimestamp"))
3688 i->inactive_enter_timestamp = (usec_t) u;
3689 else if (streq(name, "InactiveExitTimestamp"))
3690 i->inactive_exit_timestamp = (usec_t) u;
3691 else if (streq(name, "InactiveExitTimestampMonotonic"))
3692 i->inactive_exit_timestamp_monotonic = (usec_t) u;
3693 else if (streq(name, "ActiveExitTimestamp"))
3694 i->active_exit_timestamp = (usec_t) u;
3695 else if (streq(name, "ConditionTimestamp"))
3696 i->condition_timestamp = (usec_t) u;
3697 else if (streq(name, "AssertTimestamp"))
3698 i->assert_timestamp = (usec_t) u;
3703 case SD_BUS_TYPE_ARRAY:
3705 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
3706 _cleanup_free_ ExecStatusInfo *info = NULL;
3708 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
3710 return bus_log_parse_error(r);
3712 info = new0(ExecStatusInfo, 1);
3716 while ((r = exec_status_info_deserialize(m, info)) > 0) {
3718 info->name = strdup(name);
3722 LIST_PREPEND(exec, i->exec, info);
3724 info = new0(ExecStatusInfo, 1);
3730 return bus_log_parse_error(r);
3732 r = sd_bus_message_exit_container(m);
3734 return bus_log_parse_error(r);
3738 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
3739 const char *type, *path;
3741 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3743 return bus_log_parse_error(r);
3745 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
3747 r = strv_extend(&i->listen, type);
3751 r = strv_extend(&i->listen, path);
3756 return bus_log_parse_error(r);
3758 r = sd_bus_message_exit_container(m);
3760 return bus_log_parse_error(r);
3764 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) {
3766 r = sd_bus_message_read_strv(m, &i->dropin_paths);
3768 return bus_log_parse_error(r);
3770 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) {
3772 r = sd_bus_message_read_strv(m, &i->documentation);
3774 return bus_log_parse_error(r);
3776 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) {
3777 const char *cond, *param;
3778 int trigger, negate;
3781 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
3783 return bus_log_parse_error(r);
3785 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
3786 log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
3787 if (state < 0 && (!trigger || !i->failed_condition)) {
3788 i->failed_condition = cond;
3789 i->failed_condition_trigger = trigger;
3790 i->failed_condition_negate = negate;
3791 i->failed_condition_parameter = param;
3795 return bus_log_parse_error(r);
3797 r = sd_bus_message_exit_container(m);
3799 return bus_log_parse_error(r);
3801 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) {
3802 const char *cond, *param;
3803 int trigger, negate;
3806 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
3808 return bus_log_parse_error(r);
3810 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) {
3811 log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
3812 if (state < 0 && (!trigger || !i->failed_assert)) {
3813 i->failed_assert = cond;
3814 i->failed_assert_trigger = trigger;
3815 i->failed_assert_negate = negate;
3816 i->failed_assert_parameter = param;
3820 return bus_log_parse_error(r);
3822 r = sd_bus_message_exit_container(m);
3824 return bus_log_parse_error(r);
3831 case SD_BUS_TYPE_STRUCT_BEGIN:
3833 if (streq(name, "LoadError")) {
3834 const char *n, *message;
3836 r = sd_bus_message_read(m, "(ss)", &n, &message);
3838 return bus_log_parse_error(r);
3840 if (!isempty(message))
3841 i->load_error = message;
3854 r = sd_bus_message_skip(m, contents);
3856 return bus_log_parse_error(r);
3861 static int print_property(const char *name, sd_bus_message *m, const char *contents) {
3867 /* This is a low-level property printer, see
3868 * print_status_info() for the nicer output */
3870 if (arg_properties && !strv_find(arg_properties, name)) {
3871 /* skip what we didn't read */
3872 r = sd_bus_message_skip(m, contents);
3876 switch (contents[0]) {
3878 case SD_BUS_TYPE_STRUCT_BEGIN:
3880 if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
3883 r = sd_bus_message_read(m, "(uo)", &u, NULL);
3885 return bus_log_parse_error(r);
3888 printf("%s=%"PRIu32"\n", name, u);
3890 printf("%s=\n", name);
3894 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
3897 r = sd_bus_message_read(m, "(so)", &s, NULL);
3899 return bus_log_parse_error(r);
3901 if (arg_all || !isempty(s))
3902 printf("%s=%s\n", name, s);
3906 } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
3907 const char *a = NULL, *b = NULL;
3909 r = sd_bus_message_read(m, "(ss)", &a, &b);
3911 return bus_log_parse_error(r);
3913 if (arg_all || !isempty(a) || !isempty(b))
3914 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
3917 } else if (streq_ptr(name, "SystemCallFilter")) {
3918 _cleanup_strv_free_ char **l = NULL;
3921 r = sd_bus_message_enter_container(m, 'r', "bas");
3923 return bus_log_parse_error(r);
3925 r = sd_bus_message_read(m, "b", &whitelist);
3927 return bus_log_parse_error(r);
3929 r = sd_bus_message_read_strv(m, &l);
3931 return bus_log_parse_error(r);
3933 r = sd_bus_message_exit_container(m);
3935 return bus_log_parse_error(r);
3937 if (arg_all || whitelist || !strv_isempty(l)) {
3941 fputs(name, stdout);
3947 STRV_FOREACH(i, l) {
3955 fputc('\n', stdout);
3963 case SD_BUS_TYPE_ARRAY:
3965 if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
3969 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
3971 return bus_log_parse_error(r);
3973 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
3974 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
3977 return bus_log_parse_error(r);
3979 r = sd_bus_message_exit_container(m);
3981 return bus_log_parse_error(r);
3985 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
3986 const char *type, *path;
3988 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
3990 return bus_log_parse_error(r);
3992 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
3993 printf("%s=%s\n", type, path);
3995 return bus_log_parse_error(r);
3997 r = sd_bus_message_exit_container(m);
3999 return bus_log_parse_error(r);
4003 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
4004 const char *type, *path;
4006 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4008 return bus_log_parse_error(r);
4010 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
4011 printf("Listen%s=%s\n", type, path);
4013 return bus_log_parse_error(r);
4015 r = sd_bus_message_exit_container(m);
4017 return bus_log_parse_error(r);
4021 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) {
4023 uint64_t value, next_elapse;
4025 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
4027 return bus_log_parse_error(r);
4029 while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) {
4030 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
4032 printf("%s={ value=%s ; next_elapse=%s }\n",
4034 format_timespan(timespan1, sizeof(timespan1), value, 0),
4035 format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
4038 return bus_log_parse_error(r);
4040 r = sd_bus_message_exit_container(m);
4042 return bus_log_parse_error(r);
4046 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
4047 ExecStatusInfo info = {};
4049 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
4051 return bus_log_parse_error(r);
4053 while ((r = exec_status_info_deserialize(m, &info)) > 0) {
4054 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
4055 _cleanup_free_ char *tt;
4057 tt = strv_join(info.argv, " ");
4059 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",
4063 yes_no(info.ignore),
4064 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
4065 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
4067 sigchld_code_to_string(info.code),
4069 info.code == CLD_EXITED ? "" : "/",
4070 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
4073 strv_free(info.argv);
4077 r = sd_bus_message_exit_container(m);
4079 return bus_log_parse_error(r);
4083 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
4084 const char *path, *rwm;
4086 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4088 return bus_log_parse_error(r);
4090 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
4091 printf("%s=%s %s\n", name, strna(path), strna(rwm));
4093 return bus_log_parse_error(r);
4095 r = sd_bus_message_exit_container(m);
4097 return bus_log_parse_error(r);
4101 } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) {
4105 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
4107 return bus_log_parse_error(r);
4109 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
4110 printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
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, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) {
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, &bandwidth)) > 0)
4129 printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
4131 return bus_log_parse_error(r);
4133 r = sd_bus_message_exit_container(m);
4135 return bus_log_parse_error(r);
4143 r = bus_print_property(name, m, arg_all);
4145 return bus_log_parse_error(r);
4148 r = sd_bus_message_skip(m, contents);
4150 return bus_log_parse_error(r);
4153 printf("%s=[unprintable]\n", name);
4159 static int show_one(
4163 bool show_properties,
4167 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4168 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4169 UnitStatusInfo info = {};
4176 log_debug("Showing one %s", path);
4178 r = sd_bus_call_method(
4180 "org.freedesktop.systemd1",
4182 "org.freedesktop.DBus.Properties",
4188 log_error("Failed to get properties: %s", bus_error_message(&error, r));
4192 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
4194 return bus_log_parse_error(r);
4201 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
4202 const char *name, *contents;
4204 r = sd_bus_message_read(reply, "s", &name);
4206 return bus_log_parse_error(r);
4208 r = sd_bus_message_peek_type(reply, NULL, &contents);
4210 return bus_log_parse_error(r);
4212 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
4214 return bus_log_parse_error(r);
4216 if (show_properties)
4217 r = print_property(name, reply, contents);
4219 r = status_property(name, reply, &info, contents);
4223 r = sd_bus_message_exit_container(reply);
4225 return bus_log_parse_error(r);
4227 r = sd_bus_message_exit_container(reply);
4229 return bus_log_parse_error(r);
4232 return bus_log_parse_error(r);
4234 r = sd_bus_message_exit_container(reply);
4236 return bus_log_parse_error(r);
4240 if (!show_properties) {
4241 if (streq(verb, "help"))
4242 show_unit_help(&info);
4244 print_status_info(&info, ellipsized);
4247 strv_free(info.documentation);
4248 strv_free(info.dropin_paths);
4249 strv_free(info.listen);
4251 if (!streq_ptr(info.active_state, "active") &&
4252 !streq_ptr(info.active_state, "reloading") &&
4253 streq(verb, "status")) {
4254 /* According to LSB: "program not running" */
4255 /* 0: program is running or service is OK
4256 * 1: program is dead and /run PID file exists
4257 * 2: program is dead and /run/lock lock file exists
4258 * 3: program is not running
4259 * 4: program or service status is unknown
4261 if (info.pid_file && access(info.pid_file, F_OK) == 0)
4267 while ((p = info.exec)) {
4268 LIST_REMOVE(exec, info.exec, p);
4269 exec_status_info_free(p);
4275 static int get_unit_dbus_path_by_pid(
4280 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4281 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4285 r = sd_bus_call_method(
4287 "org.freedesktop.systemd1",
4288 "/org/freedesktop/systemd1",
4289 "org.freedesktop.systemd1.Manager",
4295 log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
4299 r = sd_bus_message_read(reply, "o", &u);
4301 return bus_log_parse_error(r);
4311 static int show_all(
4314 bool show_properties,
4318 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4319 _cleanup_free_ UnitInfo *unit_infos = NULL;
4324 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
4328 pager_open_if_enabled();
4332 qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
4334 for (u = unit_infos; u < unit_infos + c; u++) {
4335 _cleanup_free_ char *p = NULL;
4337 p = unit_dbus_path_from_name(u->id);
4341 r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
4344 else if (r > 0 && ret == 0)
4351 static int show_system_status(sd_bus *bus) {
4352 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4353 _cleanup_free_ char *hn = NULL;
4354 struct machine_info mi = {};
4355 const char *on, *off;
4358 hn = gethostname_malloc();
4362 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi);
4364 return log_error_errno(r, "Failed to read server status: %m");
4366 if (streq_ptr(mi.state, "degraded")) {
4367 on = ansi_highlight_red();
4368 off = ansi_highlight_off();
4369 } else if (!streq_ptr(mi.state, "running")) {
4370 on = ansi_highlight_yellow();
4371 off = ansi_highlight_off();
4375 printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
4377 printf(" State: %s%s%s\n",
4378 on, strna(mi.state), off);
4380 printf(" Jobs: %u queued\n", mi.n_jobs);
4381 printf(" Failed: %u units\n", mi.n_failed_units);
4383 printf(" Since: %s; %s\n",
4384 format_timestamp(since2, sizeof(since2), mi.timestamp),
4385 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
4387 printf(" CGroup: %s\n", mi.control_group ?: "/");
4388 if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) {
4389 static const char prefix[] = " ";
4393 if (c > sizeof(prefix) - 1)
4394 c -= sizeof(prefix) - 1;
4398 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags());
4402 free(mi.control_group);
4407 static int show(sd_bus *bus, char **args) {
4408 bool show_properties, show_status, new_line = false;
4409 bool ellipsized = false;
4415 show_properties = streq(args[0], "show");
4416 show_status = streq(args[0], "status");
4418 if (show_properties)
4419 pager_open_if_enabled();
4421 /* If no argument is specified inspect the manager itself */
4423 if (show_properties && strv_length(args) <= 1)
4424 return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
4426 if (show_status && strv_length(args) <= 1) {
4428 pager_open_if_enabled();
4429 show_system_status(bus);
4433 ret = show_all(args[0], bus, false, &new_line, &ellipsized);
4435 _cleanup_free_ char **patterns = NULL;
4438 STRV_FOREACH(name, args + 1) {
4439 _cleanup_free_ char *unit = NULL;
4442 if (safe_atou32(*name, &id) < 0) {
4443 if (strv_push(&patterns, *name) < 0)
4447 } else if (show_properties) {
4448 /* Interpret as job id */
4449 if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0)
4453 /* Interpret as PID */
4454 r = get_unit_dbus_path_by_pid(bus, id, &unit);
4461 r = show_one(args[0], bus, unit, show_properties,
4462 &new_line, &ellipsized);
4465 else if (r > 0 && ret == 0)
4469 if (!strv_isempty(patterns)) {
4470 _cleanup_strv_free_ char **names = NULL;
4472 r = expand_names(bus, patterns, NULL, &names);
4474 log_error_errno(r, "Failed to expand names: %m");
4476 STRV_FOREACH(name, names) {
4477 _cleanup_free_ char *unit;
4479 unit = unit_dbus_path_from_name(*name);
4483 r = show_one(args[0], bus, unit, show_properties,
4484 &new_line, &ellipsized);
4487 else if (r > 0 && ret == 0)
4493 if (ellipsized && !arg_quiet)
4494 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
4499 static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) {
4503 assert(user_runtime);
4506 if (arg_scope == UNIT_FILE_USER) {
4507 r = user_config_home(user_home);
4509 return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
4511 return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set.");
4513 r = user_runtime_dir(user_runtime);
4515 return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
4517 return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set.");
4520 r = lookup_paths_init_from_scope(lp, arg_scope, arg_root);
4522 return log_error_errno(r, "Failed to lookup unit lookup paths: %m");
4527 static int cat(sd_bus *bus, char **args) {
4528 _cleanup_free_ char *user_home = NULL;
4529 _cleanup_free_ char *user_runtime = NULL;
4530 _cleanup_lookup_paths_free_ LookupPaths lp = {};
4531 _cleanup_strv_free_ char **names = NULL;
4533 bool first = true, avoid_bus_cache;
4538 r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
4542 r = expand_names(bus, args + 1, NULL, &names);
4544 log_error_errno(r, "Failed to expand names: %m");
4546 avoid_bus_cache = !bus || avoid_bus();
4548 pager_open_if_enabled();
4550 STRV_FOREACH(name, names) {
4551 _cleanup_free_ char *fragment_path = NULL;
4552 _cleanup_strv_free_ char **dropin_paths = NULL;
4555 r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths);
4559 log_warning("Unit %s does not have any files on disk", *name);
4568 if (fragment_path) {
4569 printf("%s# %s%s\n",
4570 ansi_highlight_blue(),
4572 ansi_highlight_off());
4575 r = copy_file_fd(fragment_path, STDOUT_FILENO, false);
4577 log_warning_errno(r, "Failed to cat %s: %m", fragment_path);
4582 STRV_FOREACH(path, dropin_paths) {
4583 printf("%s%s# %s%s\n",
4584 isempty(fragment_path) && path == dropin_paths ? "" : "\n",
4585 ansi_highlight_blue(),
4587 ansi_highlight_off());
4590 r = copy_file_fd(*path, STDOUT_FILENO, false);
4592 log_warning_errno(r, "Failed to cat %s: %m", *path);
4598 return r < 0 ? r : 0;
4601 static int set_property(sd_bus *bus, char **args) {
4602 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4603 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4604 _cleanup_free_ char *n = NULL;
4608 polkit_agent_open_if_enabled();
4610 r = sd_bus_message_new_method_call(
4613 "org.freedesktop.systemd1",
4614 "/org/freedesktop/systemd1",
4615 "org.freedesktop.systemd1.Manager",
4616 "SetUnitProperties");
4618 return bus_log_create_error(r);
4620 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4622 return bus_log_create_error(r);
4624 n = unit_name_mangle(args[1], MANGLE_NOGLOB);
4628 r = sd_bus_message_append(m, "sb", n, arg_runtime);
4630 return bus_log_create_error(r);
4632 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
4634 return bus_log_create_error(r);
4636 STRV_FOREACH(i, args + 2) {
4637 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
4639 return bus_log_create_error(r);
4641 r = bus_append_unit_property_assignment(m, *i);
4645 r = sd_bus_message_close_container(m);
4647 return bus_log_create_error(r);
4650 r = sd_bus_message_close_container(m);
4652 return bus_log_create_error(r);
4654 r = sd_bus_call(bus, m, 0, &error, NULL);
4656 log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
4663 static int snapshot(sd_bus *bus, char **args) {
4664 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4665 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
4666 _cleanup_free_ char *n = NULL, *id = NULL;
4670 polkit_agent_open_if_enabled();
4672 if (strv_length(args) > 1)
4673 n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
4679 r = sd_bus_message_new_method_call(
4682 "org.freedesktop.systemd1",
4683 "/org/freedesktop/systemd1",
4684 "org.freedesktop.systemd1.Manager",
4687 return bus_log_create_error(r);
4689 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4691 return bus_log_create_error(r);
4693 r = sd_bus_message_append(m, "sb", n, false);
4695 return bus_log_create_error(r);
4697 r = sd_bus_call(bus, m, 0, &error, &reply);
4699 log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
4703 r = sd_bus_message_read(reply, "o", &path);
4705 return bus_log_parse_error(r);
4707 r = sd_bus_get_property_string(
4709 "org.freedesktop.systemd1",
4711 "org.freedesktop.systemd1.Unit",
4716 log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r));
4726 static int delete_snapshot(sd_bus *bus, char **args) {
4727 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4728 _cleanup_strv_free_ char **names = NULL;
4734 polkit_agent_open_if_enabled();
4736 r = expand_names(bus, args + 1, ".snapshot", &names);
4738 log_error_errno(r, "Failed to expand names: %m");
4740 STRV_FOREACH(name, names) {
4741 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4744 q = sd_bus_message_new_method_call(
4747 "org.freedesktop.systemd1",
4748 "/org/freedesktop/systemd1",
4749 "org.freedesktop.systemd1.Manager",
4752 return bus_log_create_error(q);
4754 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4756 return bus_log_create_error(q);
4758 q = sd_bus_message_append(m, "s", *name);
4760 return bus_log_create_error(q);
4762 q = sd_bus_call(bus, m, 0, &error, NULL);
4764 log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q));
4773 static int daemon_reload(sd_bus *bus, char **args) {
4774 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4775 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4779 polkit_agent_open_if_enabled();
4781 if (arg_action == ACTION_RELOAD)
4783 else if (arg_action == ACTION_REEXEC)
4784 method = "Reexecute";
4786 assert(arg_action == ACTION_SYSTEMCTL);
4789 streq(args[0], "clear-jobs") ||
4790 streq(args[0], "cancel") ? "ClearJobs" :
4791 streq(args[0], "daemon-reexec") ? "Reexecute" :
4792 streq(args[0], "reset-failed") ? "ResetFailed" :
4793 streq(args[0], "halt") ? "Halt" :
4794 streq(args[0], "poweroff") ? "PowerOff" :
4795 streq(args[0], "reboot") ? "Reboot" :
4796 streq(args[0], "kexec") ? "KExec" :
4797 streq(args[0], "exit") ? "Exit" :
4798 /* "daemon-reload" */ "Reload";
4801 r = sd_bus_message_new_method_call(
4804 "org.freedesktop.systemd1",
4805 "/org/freedesktop/systemd1",
4806 "org.freedesktop.systemd1.Manager",
4809 return bus_log_create_error(r);
4811 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4813 return bus_log_create_error(r);
4815 r = sd_bus_call(bus, m, 0, &error, NULL);
4816 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
4817 /* There's always a fallback possible for
4818 * legacy actions. */
4820 else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute"))
4821 /* On reexecution, we expect a disconnect, not a
4825 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
4827 return r < 0 ? r : 0;
4830 static int reset_failed(sd_bus *bus, char **args) {
4831 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4832 _cleanup_strv_free_ char **names = NULL;
4836 if (strv_length(args) <= 1)
4837 return daemon_reload(bus, args);
4839 polkit_agent_open_if_enabled();
4841 r = expand_names(bus, args + 1, NULL, &names);
4843 log_error_errno(r, "Failed to expand names: %m");
4845 STRV_FOREACH(name, names) {
4846 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4848 q = sd_bus_message_new_method_call(
4851 "org.freedesktop.systemd1",
4852 "/org/freedesktop/systemd1",
4853 "org.freedesktop.systemd1.Manager",
4856 return bus_log_create_error(q);
4858 q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
4860 return bus_log_create_error(q);
4862 q = sd_bus_message_append(m, "s", *name);
4864 return bus_log_create_error(q);
4866 q = sd_bus_call(bus, m, 0, &error, NULL);
4868 log_error("Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
4877 static int show_environment(sd_bus *bus, char **args) {
4878 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4879 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
4883 pager_open_if_enabled();
4885 r = sd_bus_get_property(
4887 "org.freedesktop.systemd1",
4888 "/org/freedesktop/systemd1",
4889 "org.freedesktop.systemd1.Manager",
4895 log_error("Failed to get environment: %s", bus_error_message(&error, r));
4899 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
4901 return bus_log_parse_error(r);
4903 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0)
4906 return bus_log_parse_error(r);
4908 r = sd_bus_message_exit_container(reply);
4910 return bus_log_parse_error(r);
4915 static int switch_root(sd_bus *bus, char **args) {
4916 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4917 _cleanup_free_ char *cmdline_init = NULL;
4918 const char *root, *init;
4922 l = strv_length(args);
4923 if (l < 2 || l > 3) {
4924 log_error("Wrong number of arguments.");
4933 r = parse_env_file("/proc/cmdline", WHITESPACE,
4934 "init", &cmdline_init,
4937 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
4939 init = cmdline_init;
4946 const char *root_systemd_path = NULL, *root_init_path = NULL;
4948 root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
4949 root_init_path = strappenda(root, "/", init);
4951 /* If the passed init is actually the same as the
4952 * systemd binary, then let's suppress it. */
4953 if (files_same(root_init_path, root_systemd_path) > 0)
4957 log_debug("Switching root - root: %s; init: %s", root, strna(init));
4959 r = sd_bus_call_method(
4961 "org.freedesktop.systemd1",
4962 "/org/freedesktop/systemd1",
4963 "org.freedesktop.systemd1.Manager",
4969 log_error("Failed to switch root: %s", bus_error_message(&error, r));
4976 static int set_environment(sd_bus *bus, char **args) {
4977 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
4978 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
4985 method = streq(args[0], "set-environment")
4987 : "UnsetEnvironment";
4989 r = sd_bus_message_new_method_call(
4992 "org.freedesktop.systemd1",
4993 "/org/freedesktop/systemd1",
4994 "org.freedesktop.systemd1.Manager",
4997 return bus_log_create_error(r);
4999 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5001 return bus_log_create_error(r);
5003 r = sd_bus_message_append_strv(m, args + 1);
5005 return bus_log_create_error(r);
5007 r = sd_bus_call(bus, m, 0, &error, NULL);
5009 log_error("Failed to set environment: %s", bus_error_message(&error, r));
5016 static int import_environment(sd_bus *bus, char **args) {
5017 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5018 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
5024 r = sd_bus_message_new_method_call(
5027 "org.freedesktop.systemd1",
5028 "/org/freedesktop/systemd1",
5029 "org.freedesktop.systemd1.Manager",
5032 return bus_log_create_error(r);
5034 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5036 return bus_log_create_error(r);
5038 if (strv_isempty(args + 1))
5039 r = sd_bus_message_append_strv(m, environ);
5043 r = sd_bus_message_open_container(m, 'a', "s");
5045 return bus_log_create_error(r);
5047 STRV_FOREACH(a, args + 1) {
5049 if (!env_name_is_valid(*a)) {
5050 log_error("Not a valid environment variable name: %s", *a);
5054 STRV_FOREACH(b, environ) {
5057 eq = startswith(*b, *a);
5058 if (eq && *eq == '=') {
5060 r = sd_bus_message_append(m, "s", *b);
5062 return bus_log_create_error(r);
5069 r = sd_bus_message_close_container(m);
5072 return bus_log_create_error(r);
5074 r = sd_bus_call(bus, m, 0, &error, NULL);
5076 log_error("Failed to import environment: %s", bus_error_message(&error, r));
5083 static int enable_sysv_units(const char *verb, char **args) {
5086 #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG)
5088 _cleanup_lookup_paths_free_ LookupPaths paths = {};
5090 if (arg_scope != UNIT_FILE_SYSTEM)
5093 if (!streq(verb, "enable") &&
5094 !streq(verb, "disable") &&
5095 !streq(verb, "is-enabled"))
5098 /* Processes all SysV units, and reshuffles the array so that
5099 * afterwards only the native units remain */
5101 r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, arg_root, NULL, NULL, NULL);
5108 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
5109 bool found_native = false, found_sysv;
5111 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
5119 if (!endswith(name, ".service"))
5122 if (path_is_absolute(name))
5125 STRV_FOREACH(k, paths.unit_path) {
5126 _cleanup_free_ char *path = NULL;
5128 path = path_join(arg_root, *k, name);
5132 found_native = access(path, F_OK) >= 0;
5140 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
5144 p[strlen(p) - strlen(".service")] = 0;
5145 found_sysv = access(p, F_OK) >= 0;
5149 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
5151 if (!isempty(arg_root))
5152 argv[c++] = q = strappend("--root=", arg_root);
5154 argv[c++] = basename(p);
5156 streq(verb, "enable") ? "on" :
5157 streq(verb, "disable") ? "off" : "--level=5";
5160 l = strv_join((char**)argv, " ");
5164 log_info("Executing %s", l);
5168 return log_error_errno(errno, "Failed to fork: %m");
5169 else if (pid == 0) {
5172 execv(argv[0], (char**) argv);
5173 _exit(EXIT_FAILURE);
5176 j = wait_for_terminate(pid, &status);
5178 log_error_errno(r, "Failed to wait for child: %m");
5182 if (status.si_code == CLD_EXITED) {
5183 if (streq(verb, "is-enabled")) {
5184 if (status.si_status == 0) {
5193 } else if (status.si_status != 0)
5198 /* Remove this entry, so that we don't try enabling it as native unit */
5201 assert(args[f] == name);
5202 strv_remove(args, name);
5209 static int mangle_names(char **original_names, char ***mangled_names) {
5210 char **i, **l, **name;
5212 l = new(char*, strv_length(original_names) + 1);
5217 STRV_FOREACH(name, original_names) {
5219 /* When enabling units qualified path names are OK,
5220 * too, hence allow them explicitly. */
5225 *i = unit_name_mangle(*name, MANGLE_NOGLOB);
5241 static int enable_unit(sd_bus *bus, char **args) {
5242 _cleanup_strv_free_ char **names = NULL;
5243 const char *verb = args[0];
5244 UnitFileChange *changes = NULL;
5245 unsigned n_changes = 0;
5246 int carries_install_info = -1;
5252 r = mangle_names(args+1, &names);
5256 r = enable_sysv_units(verb, names);
5260 /* If the operation was fully executed by the SysV compat,
5261 * let's finish early */
5262 if (strv_isempty(names))
5265 if (!bus || avoid_bus()) {
5266 if (streq(verb, "enable")) {
5267 r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5268 carries_install_info = r;
5269 } else if (streq(verb, "disable"))
5270 r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
5271 else if (streq(verb, "reenable")) {
5272 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5273 carries_install_info = r;
5274 } else if (streq(verb, "link"))
5275 r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5276 else if (streq(verb, "preset")) {
5277 r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes);
5278 carries_install_info = r;
5279 } else if (streq(verb, "mask"))
5280 r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
5281 else if (streq(verb, "unmask"))
5282 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
5284 assert_not_reached("Unknown verb");
5287 log_error_errno(r, "Operation failed: %m");
5292 dump_unit_file_changes(changes, n_changes);
5296 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
5297 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5298 int expect_carries_install_info = false;
5299 bool send_force = true, send_preset_mode = false;
5302 polkit_agent_open_if_enabled();
5304 if (streq(verb, "enable")) {
5305 method = "EnableUnitFiles";
5306 expect_carries_install_info = true;
5307 } else if (streq(verb, "disable")) {
5308 method = "DisableUnitFiles";
5310 } else if (streq(verb, "reenable")) {
5311 method = "ReenableUnitFiles";
5312 expect_carries_install_info = true;
5313 } else if (streq(verb, "link"))
5314 method = "LinkUnitFiles";
5315 else if (streq(verb, "preset")) {
5317 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
5318 method = "PresetUnitFilesWithMode";
5319 send_preset_mode = true;
5321 method = "PresetUnitFiles";
5323 expect_carries_install_info = true;
5324 } else if (streq(verb, "mask"))
5325 method = "MaskUnitFiles";
5326 else if (streq(verb, "unmask")) {
5327 method = "UnmaskUnitFiles";
5330 assert_not_reached("Unknown verb");
5332 r = sd_bus_message_new_method_call(
5335 "org.freedesktop.systemd1",
5336 "/org/freedesktop/systemd1",
5337 "org.freedesktop.systemd1.Manager",
5340 return bus_log_create_error(r);
5342 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5344 return bus_log_create_error(r);
5346 r = sd_bus_message_append_strv(m, names);
5348 return bus_log_create_error(r);
5350 if (send_preset_mode) {
5351 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
5353 return bus_log_create_error(r);
5356 r = sd_bus_message_append(m, "b", arg_runtime);
5358 return bus_log_create_error(r);
5361 r = sd_bus_message_append(m, "b", arg_force);
5363 return bus_log_create_error(r);
5366 r = sd_bus_call(bus, m, 0, &error, &reply);
5368 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5372 if (expect_carries_install_info) {
5373 r = sd_bus_message_read(reply, "b", &carries_install_info);
5375 return bus_log_parse_error(r);
5378 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5382 /* Try to reload if enabled */
5384 r = daemon_reload(bus, args);
5389 if (carries_install_info == 0)
5390 log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
5391 "using systemctl.\n"
5392 "Possible reasons for having this kind of units are:\n"
5393 "1) A unit may be statically enabled by being symlinked from another unit's\n"
5394 " .wants/ or .requires/ directory.\n"
5395 "2) A unit's purpose may be to act as a helper for some other unit which has\n"
5396 " a requirement dependency on it.\n"
5397 "3) A unit may be started when needed via activation (socket, path, timer,\n"
5398 " D-Bus, udev, scripted systemctl call, ...).\n");
5401 unit_file_changes_free(changes, n_changes);
5406 static int add_dependency(sd_bus *bus, char **args) {
5407 _cleanup_strv_free_ char **names = NULL;
5408 _cleanup_free_ char *target = NULL;
5409 const char *verb = args[0];
5416 target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
5420 r = mangle_names(args+2, &names);
5424 if (streq(verb, "add-wants"))
5426 else if (streq(verb, "add-requires"))
5427 dep = UNIT_REQUIRES;
5429 assert_not_reached("Unknown verb");
5431 if (!bus || avoid_bus()) {
5432 UnitFileChange *changes = NULL;
5433 unsigned n_changes = 0;
5435 r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes);
5438 return log_error_errno(r, "Can't add dependency: %m");
5441 dump_unit_file_changes(changes, n_changes);
5443 unit_file_changes_free(changes, n_changes);
5446 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
5447 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5449 polkit_agent_open_if_enabled();
5451 r = sd_bus_message_new_method_call(
5454 "org.freedesktop.systemd1",
5455 "/org/freedesktop/systemd1",
5456 "org.freedesktop.systemd1.Manager",
5457 "AddDependencyUnitFiles");
5459 return bus_log_create_error(r);
5461 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5463 return bus_log_create_error(r);
5465 r = sd_bus_message_append_strv(m, names);
5467 return bus_log_create_error(r);
5469 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
5471 return bus_log_create_error(r);
5473 r = sd_bus_call(bus, m, 0, &error, &reply);
5475 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5479 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5484 r = daemon_reload(bus, args);
5492 static int preset_all(sd_bus *bus, char **args) {
5493 UnitFileChange *changes = NULL;
5494 unsigned n_changes = 0;
5497 if (!bus || avoid_bus()) {
5499 r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
5501 log_error_errno(r, "Operation failed: %m");
5506 dump_unit_file_changes(changes, n_changes);
5511 _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
5512 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5514 polkit_agent_open_if_enabled();
5516 r = sd_bus_message_new_method_call(
5519 "org.freedesktop.systemd1",
5520 "/org/freedesktop/systemd1",
5521 "org.freedesktop.systemd1.Manager",
5522 "PresetAllUnitFiles");
5524 return bus_log_create_error(r);
5526 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
5528 return bus_log_create_error(r);
5530 r = sd_bus_message_append(
5533 unit_file_preset_mode_to_string(arg_preset_mode),
5537 return bus_log_create_error(r);
5539 r = sd_bus_call(bus, m, 0, &error, &reply);
5541 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
5545 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
5550 r = daemon_reload(bus, args);
5556 unit_file_changes_free(changes, n_changes);
5561 static int unit_is_enabled(sd_bus *bus, char **args) {
5563 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
5564 _cleanup_strv_free_ char **names = NULL;
5569 r = mangle_names(args+1, &names);
5573 r = enable_sysv_units(args[0], names);
5579 if (!bus || avoid_bus()) {
5581 STRV_FOREACH(name, names) {
5582 UnitFileState state;
5584 state = unit_file_get_state(arg_scope, arg_root, *name);
5586 return log_error_errno(state, "Failed to get unit file state for %s: %m", *name);
5588 if (state == UNIT_FILE_ENABLED ||
5589 state == UNIT_FILE_ENABLED_RUNTIME ||
5590 state == UNIT_FILE_STATIC ||
5591 state == UNIT_FILE_INDIRECT)
5595 puts(unit_file_state_to_string(state));
5599 STRV_FOREACH(name, names) {
5600 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
5603 r = sd_bus_call_method(
5605 "org.freedesktop.systemd1",
5606 "/org/freedesktop/systemd1",
5607 "org.freedesktop.systemd1.Manager",
5613 log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
5617 r = sd_bus_message_read(reply, "s", &s);
5619 return bus_log_parse_error(r);
5621 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect"))
5632 static int is_system_running(sd_bus *bus, char **args) {
5633 _cleanup_free_ char *state = NULL;
5636 r = sd_bus_get_property_string(
5638 "org.freedesktop.systemd1",
5639 "/org/freedesktop/systemd1",
5640 "org.freedesktop.systemd1.Manager",
5653 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
5656 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
5661 assert(original_path);
5664 r = tempfn_random(new_path, &t);
5666 return log_error_errno(r, "Failed to determine temporary filename for %s: %m", new_path);
5668 r = mkdir_parents(new_path, 0755);
5670 log_error_errno(r, "Failed to create directories for %s: %m", new_path);
5675 r = copy_file(original_path, t, 0, 0644, 0);
5679 log_error_errno(r, "Failed to create temporary file %s: %m", t);
5684 log_error_errno(r, "Failed to copy %s to %s: %m", original_path, t);
5694 static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) {
5695 _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL;
5697 switch (arg_scope) {
5698 case UNIT_FILE_SYSTEM:
5699 path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name);
5701 run = path_join(arg_root, "/run/systemd/system/", name);
5703 case UNIT_FILE_GLOBAL:
5704 path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
5706 run = path_join(arg_root, "/run/systemd/user/", name);
5708 case UNIT_FILE_USER:
5710 assert(user_runtime);
5712 path = path_join(arg_root, user_home, name);
5714 path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
5717 run = path_join(arg_root, user_runtime, name);
5721 assert_not_reached("Invalid scope");
5723 if (!path || (arg_runtime && !run))
5727 if (access(path, F_OK) >= 0)
5728 return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
5730 if (path2 && access(path2, F_OK) >= 0)
5731 return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
5744 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) {
5745 char *tmp_new_path, *ending;
5750 assert(ret_new_path);
5751 assert(ret_tmp_path);
5753 ending = strappenda(unit_name, ".d/override.conf");
5754 r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path);
5758 r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
5764 *ret_new_path = tmp_new_path;
5765 *ret_tmp_path = tmp_tmp_path;
5770 static int unit_file_create_copy(const char *unit_name,
5771 const char *fragment_path,
5772 const char *user_home,
5773 const char *user_runtime,
5774 char **ret_new_path,
5775 char **ret_tmp_path) {
5780 assert(fragment_path);
5782 assert(ret_new_path);
5783 assert(ret_tmp_path);
5785 r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path);
5789 if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
5792 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);
5797 if (response != 'y') {
5798 log_warning("%s ignored", unit_name);
5804 r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
5806 log_error_errno(r, "Failed to create temporary file for %s: %m", tmp_new_path);
5811 *ret_new_path = tmp_new_path;
5812 *ret_tmp_path = tmp_tmp_path;
5817 static int run_editor(char **paths) {
5825 log_error_errno(errno, "Failed to fork: %m");
5831 char **backup_editors = STRV_MAKE("nano", "vim", "vi");
5833 char **tmp_path, **original_path, **p;
5837 argc = strv_length(paths)/2 + 1;
5838 args = newa(const char*, argc + 1);
5841 STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
5842 args[i] = *tmp_path;
5847 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
5848 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
5849 * we try to execute well known editors
5851 editor = getenv("SYSTEMD_EDITOR");
5853 editor = getenv("EDITOR");
5855 editor = getenv("VISUAL");
5857 if (!isempty(editor)) {
5859 execvp(editor, (char* const*) args);
5862 STRV_FOREACH(p, backup_editors) {
5864 execvp(*p, (char* const*) args);
5865 /* We do not fail if the editor doesn't exist
5866 * because we want to try each one of them before
5869 if (errno != ENOENT) {
5870 log_error("Failed to execute %s: %m", editor);
5871 _exit(EXIT_FAILURE);
5875 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR or $EDITOR or $VISUAL.");
5876 _exit(EXIT_FAILURE);
5879 r = wait_for_terminate_and_warn("editor", pid, true);
5881 return log_error_errno(r, "Failed to wait for child: %m");
5886 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
5887 _cleanup_free_ char *user_home = NULL;
5888 _cleanup_free_ char *user_runtime = NULL;
5889 _cleanup_lookup_paths_free_ LookupPaths lp = {};
5890 bool avoid_bus_cache;
5897 r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
5901 avoid_bus_cache = !bus || avoid_bus();
5903 STRV_FOREACH(name, names) {
5904 _cleanup_free_ char *path = NULL;
5905 char *new_path, *tmp_path;
5907 r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL);
5910 else if (r == 0 || !path)
5911 // FIXME: support units with path==NULL (no FragmentPath)
5912 return log_error_errno(ENOENT, "Unit %s not found, cannot edit.", *name);
5915 r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path);
5917 r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path);
5921 r = strv_push_pair(paths, new_path, tmp_path);
5929 static int edit(sd_bus *bus, char **args) {
5930 _cleanup_strv_free_ char **names = NULL;
5931 _cleanup_strv_free_ char **paths = NULL;
5932 char **original, **tmp;
5938 log_error("Cannot edit units if we are not on a tty");
5942 if (arg_transport != BUS_TRANSPORT_LOCAL) {
5943 log_error("Cannot remotely edit units");
5947 r = expand_names(bus, args + 1, NULL, &names);
5949 return log_error_errno(r, "Failed to expand names: %m");
5952 log_error("No unit name found by expanding names");
5956 r = find_paths_to_edit(bus, names, &paths);
5960 if (strv_isempty(paths)) {
5961 log_error("Cannot find any units to edit");
5965 r = run_editor(paths);
5969 STRV_FOREACH_PAIR(original, tmp, paths) {
5970 /* If the temporary file is empty we ignore it.
5971 * It's useful if the user wants to cancel its modification
5973 if (null_or_empty_path(*tmp)) {
5974 log_warning("Edition of %s canceled: temporary file empty", *original);
5977 r = rename(*tmp, *original);
5979 r = log_error_errno(errno, "Failed to rename %s to %s: %m", *tmp, *original);
5984 if (!arg_no_reload && bus && !avoid_bus())
5985 r = daemon_reload(bus, args);
5988 STRV_FOREACH_PAIR(original, tmp, paths)
5989 unlink_noerrno(*tmp);
5994 static void systemctl_help(void) {
5996 pager_open_if_enabled();
5998 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
5999 "Query or send control commands to the systemd manager.\n\n"
6000 " -h --help Show this help\n"
6001 " --version Show package version\n"
6002 " --system Connect to system manager\n"
6003 " --user Connect to user service manager\n"
6004 " -H --host=[USER@]HOST\n"
6005 " Operate on remote host\n"
6006 " -M --machine=CONTAINER\n"
6007 " Operate on local container\n"
6008 " -t --type=TYPE List units of a particular type\n"
6009 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
6010 " -p --property=NAME Show only properties by this name\n"
6011 " -a --all Show all loaded units/properties, including dead/empty\n"
6012 " ones. To list all units installed on the system, use\n"
6013 " the 'list-unit-files' command instead.\n"
6014 " -l --full Don't ellipsize unit names on output\n"
6015 " -r --recursive Show unit list of host and local containers\n"
6016 " --reverse Show reverse dependencies with 'list-dependencies'\n"
6017 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
6018 " queueing a new job\n"
6019 " --show-types When showing sockets, explicitly show their type\n"
6020 " -i --ignore-inhibitors\n"
6021 " When shutting down or sleeping, ignore inhibitors\n"
6022 " --kill-who=WHO Who to send signal to\n"
6023 " -s --signal=SIGNAL Which signal to send\n"
6024 " -q --quiet Suppress output\n"
6025 " --no-block Do not wait until operation finished\n"
6026 " --no-wall Don't send wall message before halt/power-off/reboot\n"
6027 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
6028 " --no-legend Do not print a legend (column headers and hints)\n"
6029 " --no-pager Do not pipe output into a pager\n"
6030 " --no-ask-password\n"
6031 " Do not ask for system passwords\n"
6032 " --global Enable/disable unit files globally\n"
6033 " --runtime Enable unit files only temporarily until next reboot\n"
6034 " -f --force When enabling unit files, override existing symlinks\n"
6035 " When shutting down, execute action immediately\n"
6036 " --preset-mode= Apply only enable, only disable, or all presets\n"
6037 " --root=PATH Enable unit files in the specified root directory\n"
6038 " -n --lines=INTEGER Number of journal entries to show\n"
6039 " -o --output=STRING Change journal output mode (short, short-iso,\n"
6040 " short-precise, short-monotonic, verbose,\n"
6041 " export, json, json-pretty, json-sse, cat)\n"
6042 " --plain Print unit dependencies as a list instead of a tree\n\n"
6044 " list-units [PATTERN...] List loaded units\n"
6045 " list-sockets [PATTERN...] List loaded sockets ordered by address\n"
6046 " list-timers [PATTERN...] List loaded timers ordered by next elapse\n"
6047 " start NAME... Start (activate) one or more units\n"
6048 " stop NAME... Stop (deactivate) one or more units\n"
6049 " reload NAME... Reload one or more units\n"
6050 " restart NAME... Start or restart one or more units\n"
6051 " try-restart NAME... Restart one or more units if active\n"
6052 " reload-or-restart NAME... Reload one or more units if possible,\n"
6053 " otherwise start or restart\n"
6054 " reload-or-try-restart NAME... Reload one or more units if possible,\n"
6055 " otherwise restart if active\n"
6056 " isolate NAME Start one unit and stop all others\n"
6057 " kill NAME... Send signal to processes of a unit\n"
6058 " is-active PATTERN... Check whether units are active\n"
6059 " is-failed PATTERN... Check whether units are failed\n"
6060 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
6061 " show [PATTERN...|JOB...] Show properties of one or more\n"
6062 " units/jobs or the manager\n"
6063 " cat PATTERN... Show files and drop-ins of one or more units\n"
6064 " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n"
6065 " help PATTERN...|PID... Show manual for one or more units\n"
6066 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
6068 " list-dependencies [NAME] Recursively show units which are required\n"
6069 " or wanted by this unit or by which this\n"
6070 " unit is required or wanted\n\n"
6071 "Unit File Commands:\n"
6072 " list-unit-files [PATTERN...] List installed unit files\n"
6073 " enable NAME... Enable one or more unit files\n"
6074 " disable NAME... Disable one or more unit files\n"
6075 " reenable NAME... Reenable one or more unit files\n"
6076 " preset NAME... Enable/disable one or more unit files\n"
6077 " based on preset configuration\n"
6078 " preset-all Enable/disable all unit files based on\n"
6079 " preset configuration\n"
6080 " is-enabled NAME... Check whether unit files are enabled\n"
6081 " mask NAME... Mask one or more units\n"
6082 " unmask NAME... Unmask one or more units\n"
6083 " link PATH... Link one or more units files into\n"
6084 " the search path\n"
6085 " add-wants TARGET NAME... Add 'Wants' dependency for the target\n"
6086 " on specified one or more units\n"
6087 " add-requires TARGET NAME... Add 'Requires' dependency for the target\n"
6088 " on specified one or more units\n"
6089 " edit NAME... Edit one or more unit files\n"
6090 " get-default Get the name of the default target\n"
6091 " set-default NAME Set the default target\n\n"
6092 "Machine Commands:\n"
6093 " list-machines [PATTERN...] List local containers and host\n\n"
6095 " list-jobs [PATTERN...] List jobs\n"
6096 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
6097 "Snapshot Commands:\n"
6098 " snapshot [NAME] Create a snapshot\n"
6099 " delete NAME... Remove one or more snapshots\n\n"
6100 "Environment Commands:\n"
6101 " show-environment Dump environment\n"
6102 " set-environment NAME=VALUE... Set one or more environment variables\n"
6103 " unset-environment NAME... Unset one or more environment variables\n"
6104 " import-environment [NAME...] Import all or some environment variables\n\n"
6105 "Manager Lifecycle Commands:\n"
6106 " daemon-reload Reload systemd manager configuration\n"
6107 " daemon-reexec Reexecute systemd manager\n\n"
6108 "System Commands:\n"
6109 " is-system-running Check whether system is fully running\n"
6110 " default Enter system default mode\n"
6111 " rescue Enter system rescue mode\n"
6112 " emergency Enter system emergency mode\n"
6113 " halt Shut down and halt the system\n"
6114 " poweroff Shut down and power-off the system\n"
6115 " reboot [ARG] Shut down and reboot the system\n"
6116 " kexec Shut down and reboot the system with kexec\n"
6117 " exit Request user instance exit\n"
6118 " switch-root ROOT [INIT] Change to a different root file system\n"
6119 " suspend Suspend the system\n"
6120 " hibernate Hibernate the system\n"
6121 " hybrid-sleep Hibernate and suspend the system\n",
6122 program_invocation_short_name);
6125 static void halt_help(void) {
6126 printf("%s [OPTIONS...]%s\n\n"
6127 "%s the system.\n\n"
6128 " --help Show this help\n"
6129 " --halt Halt the machine\n"
6130 " -p --poweroff Switch off the machine\n"
6131 " --reboot Reboot the machine\n"
6132 " -f --force Force immediate halt/power-off/reboot\n"
6133 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
6134 " -d --no-wtmp Don't write wtmp record\n"
6135 " --no-wall Don't send wall message before halt/power-off/reboot\n",
6136 program_invocation_short_name,
6137 arg_action == ACTION_REBOOT ? " [ARG]" : "",
6138 arg_action == ACTION_REBOOT ? "Reboot" :
6139 arg_action == ACTION_POWEROFF ? "Power off" :
6143 static void shutdown_help(void) {
6144 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
6145 "Shut down the system.\n\n"
6146 " --help Show this help\n"
6147 " -H --halt Halt the machine\n"
6148 " -P --poweroff Power-off the machine\n"
6149 " -r --reboot Reboot the machine\n"
6150 " -h Equivalent to --poweroff, overridden by --halt\n"
6151 " -k Don't halt/power-off/reboot, just send warnings\n"
6152 " --no-wall Don't send wall message before halt/power-off/reboot\n"
6153 " -c Cancel a pending shutdown\n",
6154 program_invocation_short_name);
6157 static void telinit_help(void) {
6158 printf("%s [OPTIONS...] {COMMAND}\n\n"
6159 "Send control commands to the init daemon.\n\n"
6160 " --help Show this help\n"
6161 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
6163 " 0 Power-off the machine\n"
6164 " 6 Reboot the machine\n"
6165 " 2, 3, 4, 5 Start runlevelX.target unit\n"
6166 " 1, s, S Enter rescue mode\n"
6167 " q, Q Reload init daemon configuration\n"
6168 " u, U Reexecute init daemon\n",
6169 program_invocation_short_name);
6172 static void runlevel_help(void) {
6173 printf("%s [OPTIONS...]\n\n"
6174 "Prints the previous and current runlevel of the init system.\n\n"
6175 " --help Show this help\n",
6176 program_invocation_short_name);
6179 static void help_types(void) {
6184 puts("Available unit types:");
6185 for (i = 0; i < _UNIT_TYPE_MAX; i++) {
6186 t = unit_type_to_string(i);
6192 static int systemctl_parse_argv(int argc, char *argv[]) {
6201 ARG_IGNORE_DEPENDENCIES,
6213 ARG_NO_ASK_PASSWORD,
6223 static const struct option options[] = {
6224 { "help", no_argument, NULL, 'h' },
6225 { "version", no_argument, NULL, ARG_VERSION },
6226 { "type", required_argument, NULL, 't' },
6227 { "property", required_argument, NULL, 'p' },
6228 { "all", no_argument, NULL, 'a' },
6229 { "reverse", no_argument, NULL, ARG_REVERSE },
6230 { "after", no_argument, NULL, ARG_AFTER },
6231 { "before", no_argument, NULL, ARG_BEFORE },
6232 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
6233 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
6234 { "full", no_argument, NULL, 'l' },
6235 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
6236 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
6237 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
6238 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
6239 { "ignore-inhibitors", no_argument, NULL, 'i' },
6240 { "user", no_argument, NULL, ARG_USER },
6241 { "system", no_argument, NULL, ARG_SYSTEM },
6242 { "global", no_argument, NULL, ARG_GLOBAL },
6243 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
6244 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
6245 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
6246 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6247 { "quiet", no_argument, NULL, 'q' },
6248 { "root", required_argument, NULL, ARG_ROOT },
6249 { "force", no_argument, NULL, ARG_FORCE },
6250 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
6251 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
6252 { "signal", required_argument, NULL, 's' },
6253 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
6254 { "host", required_argument, NULL, 'H' },
6255 { "machine", required_argument, NULL, 'M' },
6256 { "runtime", no_argument, NULL, ARG_RUNTIME },
6257 { "lines", required_argument, NULL, 'n' },
6258 { "output", required_argument, NULL, 'o' },
6259 { "plain", no_argument, NULL, ARG_PLAIN },
6260 { "state", required_argument, NULL, ARG_STATE },
6261 { "recursive", no_argument, NULL, 'r' },
6262 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
6271 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
6280 puts(PACKAGE_STRING);
6281 puts(SYSTEMD_FEATURES);
6285 const char *word, *state;
6288 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6289 _cleanup_free_ char *type;
6291 type = strndup(word, size);
6295 if (streq(type, "help")) {
6300 if (unit_type_from_string(type) >= 0) {
6301 if (strv_push(&arg_types, type))
6307 /* It's much nicer to use --state= for
6308 * load states, but let's support this
6309 * in --types= too for compatibility
6310 * with old versions */
6311 if (unit_load_state_from_string(optarg) >= 0) {
6312 if (strv_push(&arg_states, type) < 0)
6318 log_error("Unknown unit type or load state '%s'.", type);
6319 log_info("Use -t help to see a list of allowed values.");
6327 /* Make sure that if the empty property list
6328 was specified, we won't show any properties. */
6329 if (isempty(optarg) && !arg_properties) {
6330 arg_properties = new0(char*, 1);
6331 if (!arg_properties)
6334 const char *word, *state;
6337 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6340 prop = strndup(word, size);
6344 if (strv_consume(&arg_properties, prop) < 0)
6349 /* If the user asked for a particular
6350 * property, show it to him, even if it is
6362 arg_dependency = DEPENDENCY_REVERSE;
6366 arg_dependency = DEPENDENCY_AFTER;
6370 arg_dependency = DEPENDENCY_BEFORE;
6373 case ARG_SHOW_TYPES:
6374 arg_show_types = true;
6378 arg_job_mode = optarg;
6382 arg_job_mode = "fail";
6385 case ARG_IRREVERSIBLE:
6386 arg_job_mode = "replace-irreversibly";
6389 case ARG_IGNORE_DEPENDENCIES:
6390 arg_job_mode = "ignore-dependencies";
6394 arg_scope = UNIT_FILE_USER;
6398 arg_scope = UNIT_FILE_SYSTEM;
6402 arg_scope = UNIT_FILE_GLOBAL;
6406 arg_no_block = true;
6410 arg_no_legend = true;
6414 arg_no_pager = true;
6430 if (strv_extend(&arg_states, "failed") < 0)
6448 arg_no_reload = true;
6452 arg_kill_who = optarg;
6456 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
6457 log_error("Failed to parse signal string %s.", optarg);
6462 case ARG_NO_ASK_PASSWORD:
6463 arg_ask_password = false;
6467 arg_transport = BUS_TRANSPORT_REMOTE;
6472 arg_transport = BUS_TRANSPORT_MACHINE;
6481 if (safe_atou(optarg, &arg_lines) < 0) {
6482 log_error("Failed to parse lines '%s'", optarg);
6488 arg_output = output_mode_from_string(optarg);
6489 if (arg_output < 0) {
6490 log_error("Unknown output '%s'.", optarg);
6496 arg_ignore_inhibitors = true;
6504 const char *word, *state;
6507 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
6510 s = strndup(word, size);
6514 if (strv_consume(&arg_states, s) < 0)
6521 if (geteuid() != 0) {
6522 log_error("--recursive requires root privileges.");
6526 arg_recursive = true;
6529 case ARG_PRESET_MODE:
6531 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
6532 if (arg_preset_mode < 0) {
6533 log_error("Failed to parse preset mode: %s.", optarg);
6543 assert_not_reached("Unhandled option");
6546 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
6547 log_error("Cannot access user instance remotely.");
6554 static int halt_parse_argv(int argc, char *argv[]) {
6563 static const struct option options[] = {
6564 { "help", no_argument, NULL, ARG_HELP },
6565 { "halt", no_argument, NULL, ARG_HALT },
6566 { "poweroff", no_argument, NULL, 'p' },
6567 { "reboot", no_argument, NULL, ARG_REBOOT },
6568 { "force", no_argument, NULL, 'f' },
6569 { "wtmp-only", no_argument, NULL, 'w' },
6570 { "no-wtmp", no_argument, NULL, 'd' },
6571 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6580 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
6581 if (runlevel == '0' || runlevel == '6')
6584 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
6592 arg_action = ACTION_HALT;
6596 if (arg_action != ACTION_REBOOT)
6597 arg_action = ACTION_POWEROFF;
6601 arg_action = ACTION_REBOOT;
6623 /* Compatibility nops */
6630 assert_not_reached("Unhandled option");
6633 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
6634 r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL);
6637 } else if (optind < argc) {
6638 log_error("Too many arguments.");
6645 static int parse_time_spec(const char *t, usec_t *_u) {
6649 if (streq(t, "now"))
6651 else if (!strchr(t, ':')) {
6654 if (safe_atou64(t, &u) < 0)
6657 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
6666 hour = strtol(t, &e, 10);
6667 if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
6670 minute = strtol(e+1, &e, 10);
6671 if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
6674 n = now(CLOCK_REALTIME);
6675 s = (time_t) (n / USEC_PER_SEC);
6677 assert_se(localtime_r(&s, &tm));
6679 tm.tm_hour = (int) hour;
6680 tm.tm_min = (int) minute;
6683 assert_se(s = mktime(&tm));
6685 *_u = (usec_t) s * USEC_PER_SEC;
6688 *_u += USEC_PER_DAY;
6694 static int shutdown_parse_argv(int argc, char *argv[]) {
6701 static const struct option options[] = {
6702 { "help", no_argument, NULL, ARG_HELP },
6703 { "halt", no_argument, NULL, 'H' },
6704 { "poweroff", no_argument, NULL, 'P' },
6705 { "reboot", no_argument, NULL, 'r' },
6706 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
6707 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6716 while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", options, NULL)) >= 0)
6724 arg_action = ACTION_HALT;
6728 arg_action = ACTION_POWEROFF;
6733 arg_action = ACTION_KEXEC;
6735 arg_action = ACTION_REBOOT;
6739 arg_action = ACTION_KEXEC;
6743 if (arg_action != ACTION_HALT)
6744 arg_action = ACTION_POWEROFF;
6759 /* Compatibility nops */
6763 arg_action = ACTION_CANCEL_SHUTDOWN;
6770 assert_not_reached("Unhandled option");
6773 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
6774 r = parse_time_spec(argv[optind], &arg_when);
6776 log_error("Failed to parse time specification: %s", argv[optind]);
6780 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
6782 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
6783 /* No time argument for shutdown cancel */
6784 arg_wall = argv + optind;
6785 else if (argc > optind + 1)
6786 /* We skip the time argument */
6787 arg_wall = argv + optind + 1;
6794 static int telinit_parse_argv(int argc, char *argv[]) {
6801 static const struct option options[] = {
6802 { "help", no_argument, NULL, ARG_HELP },
6803 { "no-wall", no_argument, NULL, ARG_NO_WALL },
6807 static const struct {
6811 { '0', ACTION_POWEROFF },
6812 { '6', ACTION_REBOOT },
6813 { '1', ACTION_RESCUE },
6814 { '2', ACTION_RUNLEVEL2 },
6815 { '3', ACTION_RUNLEVEL3 },
6816 { '4', ACTION_RUNLEVEL4 },
6817 { '5', ACTION_RUNLEVEL5 },
6818 { 's', ACTION_RESCUE },
6819 { 'S', ACTION_RESCUE },
6820 { 'q', ACTION_RELOAD },
6821 { 'Q', ACTION_RELOAD },
6822 { 'u', ACTION_REEXEC },
6823 { 'U', ACTION_REEXEC }
6832 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
6847 assert_not_reached("Unhandled option");
6850 if (optind >= argc) {
6851 log_error("%s: required argument missing.",
6852 program_invocation_short_name);
6856 if (optind + 1 < argc) {
6857 log_error("Too many arguments.");
6861 if (strlen(argv[optind]) != 1) {
6862 log_error("Expected single character argument.");
6866 for (i = 0; i < ELEMENTSOF(table); i++)
6867 if (table[i].from == argv[optind][0])
6870 if (i >= ELEMENTSOF(table)) {
6871 log_error("Unknown command '%s'.", argv[optind]);
6875 arg_action = table[i].to;
6882 static int runlevel_parse_argv(int argc, char *argv[]) {
6888 static const struct option options[] = {
6889 { "help", no_argument, NULL, ARG_HELP },
6898 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
6909 assert_not_reached("Unhandled option");
6912 if (optind < argc) {
6913 log_error("Too many arguments.");
6920 static int parse_argv(int argc, char *argv[]) {
6924 if (program_invocation_short_name) {
6926 if (strstr(program_invocation_short_name, "halt")) {
6927 arg_action = ACTION_HALT;
6928 return halt_parse_argv(argc, argv);
6929 } else if (strstr(program_invocation_short_name, "poweroff")) {
6930 arg_action = ACTION_POWEROFF;
6931 return halt_parse_argv(argc, argv);
6932 } else if (strstr(program_invocation_short_name, "reboot")) {
6934 arg_action = ACTION_KEXEC;
6936 arg_action = ACTION_REBOOT;
6937 return halt_parse_argv(argc, argv);
6938 } else if (strstr(program_invocation_short_name, "shutdown")) {
6939 arg_action = ACTION_POWEROFF;
6940 return shutdown_parse_argv(argc, argv);
6941 } else if (strstr(program_invocation_short_name, "init")) {
6943 if (sd_booted() > 0) {
6944 arg_action = _ACTION_INVALID;
6945 return telinit_parse_argv(argc, argv);
6947 /* Hmm, so some other init system is
6948 * running, we need to forward this
6949 * request to it. For now we simply
6950 * guess that it is Upstart. */
6952 execv(TELINIT, argv);
6954 log_error("Couldn't find an alternative telinit implementation to spawn.");
6958 } else if (strstr(program_invocation_short_name, "runlevel")) {
6959 arg_action = ACTION_RUNLEVEL;
6960 return runlevel_parse_argv(argc, argv);
6964 arg_action = ACTION_SYSTEMCTL;
6965 return systemctl_parse_argv(argc, argv);
6968 _pure_ static int action_to_runlevel(void) {
6970 static const char table[_ACTION_MAX] = {
6971 [ACTION_HALT] = '0',
6972 [ACTION_POWEROFF] = '0',
6973 [ACTION_REBOOT] = '6',
6974 [ACTION_RUNLEVEL2] = '2',
6975 [ACTION_RUNLEVEL3] = '3',
6976 [ACTION_RUNLEVEL4] = '4',
6977 [ACTION_RUNLEVEL5] = '5',
6978 [ACTION_RESCUE] = '1'
6981 assert(arg_action < _ACTION_MAX);
6983 return table[arg_action];
6986 static int talk_initctl(void) {
6988 struct init_request request = {
6989 .magic = INIT_MAGIC,
6991 .cmd = INIT_CMD_RUNLVL
6994 _cleanup_close_ int fd = -1;
6998 rl = action_to_runlevel();
7002 request.runlevel = rl;
7004 fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
7006 if (errno == ENOENT)
7009 log_error_errno(errno, "Failed to open "INIT_FIFO": %m");
7013 r = loop_write(fd, &request, sizeof(request), false);
7015 return log_error_errno(r, "Failed to write to "INIT_FIFO": %m");
7020 static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
7022 static const struct {
7030 int (* const dispatch)(sd_bus *bus, char **args);
7036 { "list-units", MORE, 0, list_units },
7037 { "list-unit-files", MORE, 1, list_unit_files, NOBUS },
7038 { "list-sockets", MORE, 1, list_sockets },
7039 { "list-timers", MORE, 1, list_timers },
7040 { "list-jobs", MORE, 1, list_jobs },
7041 { "list-machines", MORE, 1, list_machines },
7042 { "clear-jobs", EQUAL, 1, daemon_reload },
7043 { "cancel", MORE, 2, cancel_job },
7044 { "start", MORE, 2, start_unit },
7045 { "stop", MORE, 2, start_unit },
7046 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
7047 { "reload", MORE, 2, start_unit },
7048 { "restart", MORE, 2, start_unit },
7049 { "try-restart", MORE, 2, start_unit },
7050 { "reload-or-restart", MORE, 2, start_unit },
7051 { "reload-or-try-restart", MORE, 2, start_unit },
7052 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
7053 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
7054 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
7055 { "isolate", EQUAL, 2, start_unit },
7056 { "kill", MORE, 2, kill_unit },
7057 { "is-active", MORE, 2, check_unit_active },
7058 { "check", MORE, 2, check_unit_active },
7059 { "is-failed", MORE, 2, check_unit_failed },
7060 { "show", MORE, 1, show },
7061 { "cat", MORE, 2, cat, NOBUS },
7062 { "status", MORE, 1, show },
7063 { "help", MORE, 2, show },
7064 { "snapshot", LESS, 2, snapshot },
7065 { "delete", MORE, 2, delete_snapshot },
7066 { "daemon-reload", EQUAL, 1, daemon_reload },
7067 { "daemon-reexec", EQUAL, 1, daemon_reload },
7068 { "show-environment", EQUAL, 1, show_environment },
7069 { "set-environment", MORE, 2, set_environment },
7070 { "unset-environment", MORE, 2, set_environment },
7071 { "import-environment", MORE, 1, import_environment},
7072 { "halt", EQUAL, 1, start_special, FORCE },
7073 { "poweroff", EQUAL, 1, start_special, FORCE },
7074 { "reboot", EQUAL, 1, start_special, FORCE },
7075 { "kexec", EQUAL, 1, start_special },
7076 { "suspend", EQUAL, 1, start_special },
7077 { "hibernate", EQUAL, 1, start_special },
7078 { "hybrid-sleep", EQUAL, 1, start_special },
7079 { "default", EQUAL, 1, start_special },
7080 { "rescue", EQUAL, 1, start_special },
7081 { "emergency", EQUAL, 1, start_special },
7082 { "exit", EQUAL, 1, start_special },
7083 { "reset-failed", MORE, 1, reset_failed },
7084 { "enable", MORE, 2, enable_unit, NOBUS },
7085 { "disable", MORE, 2, enable_unit, NOBUS },
7086 { "is-enabled", MORE, 2, unit_is_enabled, NOBUS },
7087 { "reenable", MORE, 2, enable_unit, NOBUS },
7088 { "preset", MORE, 2, enable_unit, NOBUS },
7089 { "preset-all", EQUAL, 1, preset_all, NOBUS },
7090 { "mask", MORE, 2, enable_unit, NOBUS },
7091 { "unmask", MORE, 2, enable_unit, NOBUS },
7092 { "link", MORE, 2, enable_unit, NOBUS },
7093 { "switch-root", MORE, 2, switch_root },
7094 { "list-dependencies", LESS, 2, list_dependencies },
7095 { "set-default", EQUAL, 2, set_default, NOBUS },
7096 { "get-default", EQUAL, 1, get_default, NOBUS },
7097 { "set-property", MORE, 3, set_property },
7098 { "is-system-running", EQUAL, 1, is_system_running },
7099 { "add-wants", MORE, 3, add_dependency, NOBUS },
7100 { "add-requires", MORE, 3, add_dependency, NOBUS },
7101 { "edit", MORE, 2, edit, NOBUS },
7110 left = argc - optind;
7112 /* Special rule: no arguments (left == 0) means "list-units" */
7114 if (streq(argv[optind], "help") && !argv[optind+1]) {
7115 log_error("This command expects one or more "
7116 "unit names. Did you mean --help?");
7120 for (; verb->verb; verb++)
7121 if (streq(argv[optind], verb->verb))
7124 log_error("Unknown operation '%s'.", argv[optind]);
7129 switch (verb->argc_cmp) {
7132 if (left != verb->argc) {
7133 log_error("Invalid number of arguments.");
7140 if (left < verb->argc) {
7141 log_error("Too few arguments.");
7148 if (left > verb->argc) {
7149 log_error("Too many arguments.");
7156 assert_not_reached("Unknown comparison operator.");
7159 /* Require a bus connection for all operations but
7161 if (verb->bus == NOBUS) {
7162 if (!bus && !avoid_bus()) {
7163 log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
7168 if (running_in_chroot() > 0) {
7169 log_info("Running in chroot, ignoring request.");
7173 if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
7174 log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
7179 return verb->dispatch(bus, argv + optind);
7182 static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
7184 struct sd_shutdown_command c = {
7191 union sockaddr_union sockaddr = {
7192 .un.sun_family = AF_UNIX,
7193 .un.sun_path = "/run/systemd/shutdownd",
7196 struct iovec iovec[2] = {{
7197 .iov_base = (char*) &c,
7198 .iov_len = offsetof(struct sd_shutdown_command, wall_message),
7201 struct msghdr msghdr = {
7202 .msg_name = &sockaddr,
7203 .msg_namelen = offsetof(struct sockaddr_un, sun_path)
7204 + strlen("/run/systemd/shutdownd"),
7209 _cleanup_close_ int fd;
7211 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
7215 if (!isempty(message)) {
7216 iovec[1].iov_base = (char*) message;
7217 iovec[1].iov_len = strlen(message);
7218 msghdr.msg_iovlen++;
7221 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0)
7227 static int reload_with_fallback(sd_bus *bus) {
7230 /* First, try systemd via D-Bus. */
7231 if (daemon_reload(bus, NULL) >= 0)
7235 /* Nothing else worked, so let's try signals */
7236 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
7238 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
7239 return log_error_errno(errno, "kill() failed: %m");
7244 static int start_with_fallback(sd_bus *bus) {
7247 /* First, try systemd via D-Bus. */
7248 if (start_unit(bus, NULL) >= 0)
7252 /* Nothing else worked, so let's try
7254 if (talk_initctl() > 0)
7257 log_error("Failed to talk to init daemon.");
7261 warn_wall(arg_action);
7265 static int halt_now(enum action a) {
7267 /* The kernel will automaticall flush ATA disks and suchlike
7268 * on reboot(), but the file systems need to be synce'd
7269 * explicitly in advance. */
7272 /* Make sure C-A-D is handled by the kernel from this point
7274 reboot(RB_ENABLE_CAD);
7279 log_info("Halting.");
7280 reboot(RB_HALT_SYSTEM);
7283 case ACTION_POWEROFF:
7284 log_info("Powering off.");
7285 reboot(RB_POWER_OFF);
7288 case ACTION_REBOOT: {
7289 _cleanup_free_ char *param = NULL;
7291 if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) {
7292 log_info("Rebooting with argument '%s'.", param);
7293 syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
7294 LINUX_REBOOT_CMD_RESTART2, param);
7297 log_info("Rebooting.");
7298 reboot(RB_AUTOBOOT);
7303 assert_not_reached("Unknown action.");
7307 static int halt_main(sd_bus *bus) {
7310 r = check_inhibitors(bus, arg_action);
7314 if (geteuid() != 0) {
7315 /* Try logind if we are a normal user and no special
7316 * mode applies. Maybe PolicyKit allows us to shutdown
7319 if (arg_when <= 0 &&
7322 (arg_action == ACTION_POWEROFF ||
7323 arg_action == ACTION_REBOOT)) {
7324 r = reboot_with_logind(bus, arg_action);
7329 log_error("Must be root.");
7334 _cleanup_free_ char *m;
7336 m = strv_join(arg_wall, " ");
7340 r = send_shutdownd(arg_when,
7341 arg_action == ACTION_HALT ? 'H' :
7342 arg_action == ACTION_POWEROFF ? 'P' :
7343 arg_action == ACTION_KEXEC ? 'K' :
7350 log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m");
7352 char date[FORMAT_TIMESTAMP_MAX];
7354 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
7355 format_timestamp(date, sizeof(date), arg_when));
7360 if (!arg_dry && !arg_force)
7361 return start_with_fallback(bus);
7364 if (sd_booted() > 0)
7365 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
7367 r = utmp_put_shutdown();
7369 log_warning_errno(r, "Failed to write utmp record: %m");
7376 r = halt_now(arg_action);
7377 log_error_errno(r, "Failed to reboot: %m");
7382 static int runlevel_main(void) {
7383 int r, runlevel, previous;
7385 r = utmp_get_runlevel(&runlevel, &previous);
7392 previous <= 0 ? 'N' : previous,
7393 runlevel <= 0 ? 'N' : runlevel);
7398 int main(int argc, char*argv[]) {
7399 _cleanup_bus_close_unref_ sd_bus *bus = NULL;
7402 setlocale(LC_ALL, "");
7403 log_parse_environment();
7406 /* Explicitly not on_tty() to avoid setting cached value.
7407 * This becomes relevant for piping output which might be
7409 original_stdout_is_tty = isatty(STDOUT_FILENO);
7411 r = parse_argv(argc, argv);
7415 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
7416 * let's shortcut this */
7417 if (arg_action == ACTION_RUNLEVEL) {
7418 r = runlevel_main();
7422 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
7423 log_info("Running in chroot, ignoring request.");
7428 /* Increase max number of open files to 16K if we can, we
7429 * might needs this when browsing journal files, which might
7430 * be split up into many files. */
7431 setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
7434 r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
7436 /* systemctl_main() will print an error message for the bus
7437 * connection, but only if it needs to */
7439 switch (arg_action) {
7441 case ACTION_SYSTEMCTL:
7442 r = systemctl_main(bus, argc, argv, r);
7446 case ACTION_POWEROFF:
7452 case ACTION_RUNLEVEL2:
7453 case ACTION_RUNLEVEL3:
7454 case ACTION_RUNLEVEL4:
7455 case ACTION_RUNLEVEL5:
7457 case ACTION_EMERGENCY:
7458 case ACTION_DEFAULT:
7459 r = start_with_fallback(bus);
7464 r = reload_with_fallback(bus);
7467 case ACTION_CANCEL_SHUTDOWN: {
7468 _cleanup_free_ char *m = NULL;
7471 m = strv_join(arg_wall, " ");
7478 r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m);
7480 log_warning_errno(r, "Failed to talk to shutdownd, shutdown hasn't been cancelled: %m");
7484 case ACTION_RUNLEVEL:
7485 case _ACTION_INVALID:
7487 assert_not_reached("Unknown action");
7492 ask_password_agent_close();
7493 polkit_agent_close();
7495 strv_free(arg_types);
7496 strv_free(arg_states);
7497 strv_free(arg_properties);
7499 return r < 0 ? EXIT_FAILURE : r;