1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
7 Copyright 2013 Marc-Antoine Perennou
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/reboot.h>
24 #include <linux/reboot.h>
25 #include <sys/syscall.h>
32 #include <sys/ioctl.h>
36 #include <sys/socket.h>
39 #include <sys/prctl.h>
42 #include "sd-daemon.h"
43 #include "sd-shutdown.h"
50 #include "utmp-wtmp.h"
53 #include "path-util.h"
55 #include "cgroup-show.h"
56 #include "cgroup-util.h"
58 #include "path-lookup.h"
59 #include "conf-parser.h"
60 #include "exit-status.h"
62 #include "unit-name.h"
64 #include "spawn-ask-password-agent.h"
65 #include "spawn-polkit-agent.h"
67 #include "logs-show.h"
68 #include "socket-util.h"
72 #include "bus-message.h"
73 #include "bus-error.h"
74 #include "bus-errors.h"
76 static char **arg_types = NULL;
77 static char **arg_states = NULL;
78 static char **arg_properties = NULL;
79 static bool arg_all = false;
80 static enum dependency {
86 } arg_dependency = DEPENDENCY_FORWARD;
87 static const char *arg_job_mode = "replace";
88 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
89 static bool arg_no_block = false;
90 static bool arg_no_legend = false;
91 static bool arg_no_pager = false;
92 static bool arg_no_wtmp = false;
93 static bool arg_no_wall = false;
94 static bool arg_no_reload = false;
95 static bool arg_show_types = false;
96 static bool arg_ignore_inhibitors = false;
97 static bool arg_dry = false;
98 static bool arg_quiet = false;
99 static bool arg_full = false;
100 static bool arg_recursive = false;
101 static int arg_force = 0;
102 static bool arg_ask_password = true;
103 static bool arg_runtime = false;
104 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
105 static char **arg_wall = NULL;
106 static const char *arg_kill_who = NULL;
107 static int arg_signal = SIGTERM;
108 static const char *arg_root = NULL;
109 static usec_t arg_when = 0;
131 ACTION_CANCEL_SHUTDOWN,
133 } arg_action = ACTION_SYSTEMCTL;
134 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
135 static char *arg_host = NULL;
136 static unsigned arg_lines = 10;
137 static OutputMode arg_output = OUTPUT_SHORT;
138 static bool arg_plain = false;
140 static const struct {
144 { "start", "StartUnit" },
145 { "stop", "StopUnit" },
146 { "condstop", "StopUnit" },
147 { "reload", "ReloadUnit" },
148 { "restart", "RestartUnit" },
149 { "try-restart", "TryRestartUnit" },
150 { "condrestart", "TryRestartUnit" },
151 { "reload-or-restart", "ReloadOrRestartUnit" },
152 { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
153 { "condreload", "ReloadOrTryRestartUnit" },
154 { "force-reload", "ReloadOrTryRestartUnit" }
157 static bool original_stdout_is_tty;
159 static int daemon_reload(sd_bus *bus, char **args);
160 static int halt_now(enum action a);
161 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
163 static char** strv_skip_first(char **strv) {
164 if (strv_length(strv) > 0)
169 static void pager_open_if_enabled(void) {
177 static void ask_password_agent_open_if_enabled(void) {
179 /* Open the password agent as a child process if necessary */
181 if (!arg_ask_password)
184 if (arg_scope != UNIT_FILE_SYSTEM)
187 if (arg_transport != BUS_TRANSPORT_LOCAL)
190 ask_password_agent_open();
194 static void polkit_agent_open_if_enabled(void) {
196 /* Open the polkit agent as a child process if necessary */
198 if (!arg_ask_password)
201 if (arg_scope != UNIT_FILE_SYSTEM)
204 if (arg_transport != BUS_TRANSPORT_LOCAL)
211 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
214 if (!sd_bus_error_is_set(error))
217 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
218 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
219 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
220 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
221 return EXIT_NOPERMISSION;
223 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
224 return EXIT_NOTINSTALLED;
226 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
227 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
228 return EXIT_NOTIMPLEMENTED;
230 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
231 return EXIT_NOTCONFIGURED;
239 static void warn_wall(enum action a) {
240 static const char *table[_ACTION_MAX] = {
241 [ACTION_HALT] = "The system is going down for system halt NOW!",
242 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
243 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
244 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
245 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
246 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!",
247 [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!"
254 _cleanup_free_ char *p;
256 p = strv_join(arg_wall, " ");
263 utmp_wall(p, NULL, NULL);
271 utmp_wall(table[a], NULL, NULL);
274 static bool avoid_bus(void) {
276 if (running_in_chroot() > 0)
279 if (sd_booted() <= 0)
282 if (!isempty(arg_root))
285 if (arg_scope == UNIT_FILE_GLOBAL)
291 static int compare_unit_info(const void *a, const void *b) {
292 const UnitInfo *u = a, *v = b;
296 /* First, order by machine */
297 if (!u->machine && v->machine)
299 if (u->machine && !v->machine)
301 if (u->machine && v->machine) {
302 r = strcasecmp(u->machine, v->machine);
307 /* Second, order by unit type */
308 d1 = strrchr(u->id, '.');
309 d2 = strrchr(v->id, '.');
311 r = strcasecmp(d1, d2);
316 /* Third, order by name */
317 return strcasecmp(u->id, v->id);
320 static bool output_show_unit(const UnitInfo *u, char **patterns) {
323 if (!strv_isempty(patterns)) {
326 STRV_FOREACH(pattern, patterns)
327 if (fnmatch(*pattern, u->id, FNM_NOESCAPE) == 0)
332 return (!arg_types || ((dot = strrchr(u->id, '.')) &&
333 strv_find(arg_types, dot+1))) &&
334 (arg_all || !(streq(u->active_state, "inactive")
335 || u->following[0]) || u->job_id > 0);
338 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
339 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
341 unsigned n_shown = 0;
344 max_id_len = strlen("UNIT");
345 load_len = strlen("LOAD");
346 active_len = strlen("ACTIVE");
347 sub_len = strlen("SUB");
348 job_len = strlen("JOB");
351 for (u = unit_infos; u < unit_infos + c; u++) {
352 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
353 load_len = MAX(load_len, strlen(u->load_state));
354 active_len = MAX(active_len, strlen(u->active_state));
355 sub_len = MAX(sub_len, strlen(u->sub_state));
357 if (u->job_id != 0) {
358 job_len = MAX(job_len, strlen(u->job_type));
362 if (!arg_no_legend &&
363 (streq(u->active_state, "failed") ||
364 STR_IN_SET(u->load_state, "error", "not-found", "masked")))
368 if (!arg_full && original_stdout_is_tty) {
371 id_len = MIN(max_id_len, 25u);
372 basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len;
375 basic_len += job_len + 1;
377 if (basic_len < (unsigned) columns()) {
378 unsigned extra_len, incr;
379 extra_len = columns() - basic_len;
381 /* Either UNIT already got 25, or is fully satisfied.
382 * Grant up to 25 to DESC now. */
383 incr = MIN(extra_len, 25u);
387 /* split the remaining space between UNIT and DESC,
388 * but do not give UNIT more than it needs. */
390 incr = MIN(extra_len / 2, max_id_len - id_len);
392 desc_len += extra_len - incr;
398 for (u = unit_infos; u < unit_infos + c; u++) {
399 _cleanup_free_ char *e = NULL, *j = NULL;
400 const char *on_loaded = "", *off_loaded = "";
401 const char *on_active = "", *off_active = "";
402 const char *on_circle = "", *off_circle = "";
406 if (!n_shown && !arg_no_legend) {
411 printf("%-*s %-*s %-*s %-*s ",
414 active_len, "ACTIVE",
418 printf("%-*s ", job_len, "JOB");
420 if (!arg_full && arg_no_pager)
421 printf("%.*s\n", desc_len, "DESCRIPTION");
423 printf("%s\n", "DESCRIPTION");
428 if (STR_IN_SET(u->load_state, "error", "not-found", "masked")) {
429 on_loaded = ansi_highlight_red();
430 on_circle = ansi_highlight_yellow();
431 off_loaded = off_circle = ansi_highlight_off();
435 if (streq(u->active_state, "failed")) {
436 on_circle = on_active = ansi_highlight_red();
437 off_circle = off_active = ansi_highlight_off();
442 j = strjoin(u->machine, ":", u->id, NULL);
451 e = ellipsize(id, id_len, 33);
459 printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
461 printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
462 on_active, id_len, id, off_active,
463 on_loaded, load_len, u->load_state, off_loaded,
464 on_active, active_len, u->active_state,
465 sub_len, u->sub_state, off_active,
466 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
469 printf("%.*s\n", desc_len, u->description);
471 printf("%s\n", u->description);
474 if (!arg_no_legend) {
475 const char *on, *off;
479 "LOAD = Reflects whether the unit definition was properly loaded.\n"
480 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
481 "SUB = The low-level unit activation state, values depend on unit type.");
482 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
483 on = ansi_highlight();
484 off = ansi_highlight_off();
486 on = ansi_highlight_red();
487 off = ansi_highlight_off();
491 printf("%s%u loaded units listed.%s\n"
492 "To show all installed unit files use 'systemctl list-unit-files'.\n",
495 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
496 "To show all installed unit files use 'systemctl list-unit-files'.\n",
503 static int get_unit_list(
507 UnitInfo **unit_infos,
509 sd_bus_message **_reply) {
511 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
512 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
513 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
522 r = sd_bus_message_new_method_call(
525 "org.freedesktop.systemd1",
526 "/org/freedesktop/systemd1",
527 "org.freedesktop.systemd1.Manager",
528 "ListUnitsFiltered");
531 return bus_log_create_error(r);
533 r = sd_bus_message_append_strv(m, arg_states);
535 return bus_log_create_error(r);
537 r = sd_bus_call(bus, m, 0, &error, &reply);
539 log_error("Failed to list units: %s", bus_error_message(&error, r));
543 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
545 return bus_log_parse_error(r);
547 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
550 if (!output_show_unit(&u, patterns))
553 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
556 (*unit_infos)[c++] = u;
559 return bus_log_parse_error(r);
561 r = sd_bus_message_exit_container(reply);
563 return bus_log_parse_error(r);
571 static void message_set_freep(Set **set) {
574 while ((m = set_steal_first(*set)))
575 sd_bus_message_unref(m);
580 static int get_unit_list_recursive(
583 UnitInfo **_unit_infos,
587 _cleanup_free_ UnitInfo *unit_infos = NULL;
588 _cleanup_(message_set_freep) Set *replies;
589 sd_bus_message *reply;
597 replies = set_new(NULL);
601 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
605 r = set_put(replies, reply);
607 sd_bus_message_unref(reply);
612 _cleanup_strv_free_ char **machines = NULL;
615 r = sd_get_machine_names(&machines);
619 STRV_FOREACH(i, machines) {
620 _cleanup_bus_close_unref_ sd_bus *container = NULL;
623 r = sd_bus_open_system_container(&container, *i);
625 log_error("Failed to connect to container %s: %s", *i, strerror(-r));
629 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
635 r = set_put(replies, reply);
637 sd_bus_message_unref(reply);
642 *_machines = machines;
647 *_unit_infos = unit_infos;
656 static int list_units(sd_bus *bus, char **args) {
657 _cleanup_free_ UnitInfo *unit_infos = NULL;
658 _cleanup_(message_set_freep) Set *replies = NULL;
659 _cleanup_strv_free_ char **machines = NULL;
662 pager_open_if_enabled();
664 r = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
668 qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
669 return output_units_list(unit_infos, r);
672 static int get_triggered_units(
677 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
680 r = sd_bus_get_property_strv(
682 "org.freedesktop.systemd1",
684 "org.freedesktop.systemd1.Unit",
690 log_error("Failed to determine triggers: %s", bus_error_message(&error, r));
695 static int get_listening(
697 const char* unit_path,
700 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
701 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
702 const char *type, *path;
705 r = sd_bus_get_property(
707 "org.freedesktop.systemd1",
709 "org.freedesktop.systemd1.Socket",
715 log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r));
719 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
721 return bus_log_parse_error(r);
723 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
725 r = strv_extend(listening, type);
729 r = strv_extend(listening, path);
736 return bus_log_parse_error(r);
738 r = sd_bus_message_exit_container(reply);
740 return bus_log_parse_error(r);
752 /* Note: triggered is a list here, although it almost certainly
753 * will always be one unit. Nevertheless, dbus API allows for multiple
754 * values, so let's follow that.*/
757 /* The strv above is shared. free is set only in the first one. */
761 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
767 if (!a->machine && b->machine)
769 if (a->machine && !b->machine)
771 if (a->machine && b->machine) {
772 o = strcasecmp(a->machine, b->machine);
777 o = strcmp(a->path, b->path);
779 o = strcmp(a->type, b->type);
784 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
785 struct socket_info *s;
786 unsigned pathlen = strlen("LISTEN"),
787 typelen = strlen("TYPE") * arg_show_types,
788 socklen = strlen("UNIT"),
789 servlen = strlen("ACTIVATES");
790 const char *on, *off;
792 for (s = socket_infos; s < socket_infos + cs; s++) {
796 socklen = MAX(socklen, strlen(s->id));
798 typelen = MAX(typelen, strlen(s->type));
799 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
801 STRV_FOREACH(a, s->triggered)
802 tmp += strlen(*a) + 2*(a != s->triggered);
803 servlen = MAX(servlen, tmp);
808 printf("%-*s %-*.*s%-*s %s\n",
810 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
814 for (s = socket_infos; s < socket_infos + cs; s++) {
815 _cleanup_free_ char *j = NULL;
820 j = strjoin(s->machine, ":", s->path, NULL);
828 printf("%-*s %-*s %-*s",
829 pathlen, path, typelen, s->type, socklen, s->id);
832 pathlen, path, socklen, s->id);
833 STRV_FOREACH(a, s->triggered)
835 a == s->triggered ? "" : ",", *a);
839 on = ansi_highlight();
840 off = ansi_highlight_off();
844 on = ansi_highlight_red();
845 off = ansi_highlight_off();
848 if (!arg_no_legend) {
849 printf("%s%u sockets listed.%s\n", on, cs, off);
851 printf("Pass --all to see loaded but inactive sockets, too.\n");
857 static int list_sockets(sd_bus *bus, char **args) {
858 _cleanup_(message_set_freep) Set *replies = NULL;
859 _cleanup_strv_free_ char **machines = NULL;
860 _cleanup_free_ UnitInfo *unit_infos = NULL;
861 _cleanup_free_ struct socket_info *socket_infos = NULL;
863 struct socket_info *s;
868 pager_open_if_enabled();
870 n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
874 for (u = unit_infos; u < unit_infos + n; u++) {
875 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
878 if (!endswith(u->id, ".socket"))
881 r = get_triggered_units(bus, u->unit_path, &triggered);
885 c = get_listening(bus, u->unit_path, &listening);
891 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
896 for (i = 0; i < c; i++)
897 socket_infos[cs + i] = (struct socket_info) {
898 .machine = u->machine,
900 .type = listening[i*2],
901 .path = listening[i*2 + 1],
902 .triggered = triggered,
903 .own_triggered = i==0,
906 /* from this point on we will cleanup those socket_infos */
909 listening = triggered = NULL; /* avoid cleanup */
912 qsort_safe(socket_infos, cs, sizeof(struct socket_info),
913 (__compar_fn_t) socket_info_compare);
915 output_sockets_list(socket_infos, cs);
918 assert(cs == 0 || socket_infos);
919 for (s = socket_infos; s < socket_infos + cs; s++) {
922 if (s->own_triggered)
923 strv_free(s->triggered);
929 static int get_next_elapse(
932 dual_timestamp *next) {
934 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
942 r = sd_bus_get_property_trivial(
944 "org.freedesktop.systemd1",
946 "org.freedesktop.systemd1.Timer",
947 "NextElapseUSecMonotonic",
952 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
956 r = sd_bus_get_property_trivial(
958 "org.freedesktop.systemd1",
960 "org.freedesktop.systemd1.Timer",
961 "NextElapseUSecRealtime",
966 log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
974 static int get_last_trigger(
979 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
986 r = sd_bus_get_property_trivial(
988 "org.freedesktop.systemd1",
990 "org.freedesktop.systemd1.Timer",
996 log_error("Failed to get last trigger time: %s", bus_error_message(&error, r));
1004 const char* machine;
1007 usec_t last_trigger;
1011 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1017 if (!a->machine && b->machine)
1019 if (a->machine && !b->machine)
1021 if (a->machine && b->machine) {
1022 o = strcasecmp(a->machine, b->machine);
1027 if (a->next_elapse < b->next_elapse)
1029 if (a->next_elapse > b->next_elapse)
1032 return strcmp(a->id, b->id);
1035 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1036 struct timer_info *t;
1038 nextlen = strlen("NEXT"),
1039 leftlen = strlen("LEFT"),
1040 lastlen = strlen("LAST"),
1041 passedlen = strlen("PASSED"),
1042 unitlen = strlen("UNIT"),
1043 activatelen = strlen("ACTIVATES");
1045 const char *on, *off;
1047 assert(timer_infos || n == 0);
1049 for (t = timer_infos; t < timer_infos + n; t++) {
1053 if (t->next_elapse > 0) {
1054 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1056 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1057 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1059 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1060 leftlen = MAX(leftlen, strlen(trel));
1063 if (t->last_trigger > 0) {
1064 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1066 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1067 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1069 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1070 passedlen = MAX(passedlen, strlen(trel));
1073 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1075 STRV_FOREACH(a, t->triggered)
1076 ul += strlen(*a) + 2*(a != t->triggered);
1078 activatelen = MAX(activatelen, ul);
1083 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1087 passedlen, "PASSED",
1091 for (t = timer_infos; t < timer_infos + n; t++) {
1092 _cleanup_free_ char *j = NULL;
1094 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1095 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1098 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1099 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1101 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1102 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1105 j = strjoin(t->machine, ":", t->id, NULL);
1112 printf("%-*s %-*s %-*s %-*s %-*s",
1113 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1115 STRV_FOREACH(a, t->triggered)
1117 a == t->triggered ? "" : ",", *a);
1121 on = ansi_highlight();
1122 off = ansi_highlight_off();
1126 on = ansi_highlight_red();
1127 off = ansi_highlight_off();
1130 if (!arg_no_legend) {
1131 printf("%s%u timers listed.%s\n", on, n, off);
1133 printf("Pass --all to see loaded but inactive timers, too.\n");
1139 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1145 if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
1148 if (next->monotonic > nw->monotonic)
1149 converted = nw->realtime + (next->monotonic - nw->monotonic);
1151 converted = nw->realtime - (nw->monotonic - next->monotonic);
1153 if (next->realtime != USEC_INFINITY && next->realtime > 0)
1154 next_elapse = MIN(converted, next->realtime);
1156 next_elapse = converted;
1159 next_elapse = next->realtime;
1164 static int list_timers(sd_bus *bus, char **args) {
1165 _cleanup_(message_set_freep) Set *replies = NULL;
1166 _cleanup_strv_free_ char **machines = NULL;
1167 _cleanup_free_ struct timer_info *timer_infos = NULL;
1168 _cleanup_free_ UnitInfo *unit_infos = NULL;
1169 struct timer_info *t;
1176 pager_open_if_enabled();
1178 n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines);
1182 dual_timestamp_get(&nw);
1184 for (u = unit_infos; u < unit_infos + n; u++) {
1185 _cleanup_strv_free_ char **triggered = NULL;
1186 dual_timestamp next = {};
1189 if (!endswith(u->id, ".timer"))
1192 r = get_triggered_units(bus, u->unit_path, &triggered);
1196 r = get_next_elapse(bus, u->unit_path, &next);
1200 get_last_trigger(bus, u->unit_path, &last);
1202 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1207 m = calc_next_elapse(&nw, &next);
1209 timer_infos[c++] = (struct timer_info) {
1210 .machine = u->machine,
1213 .last_trigger = last,
1214 .triggered = triggered,
1217 triggered = NULL; /* avoid cleanup */
1220 qsort_safe(timer_infos, c, sizeof(struct timer_info),
1221 (__compar_fn_t) timer_info_compare);
1223 output_timers_list(timer_infos, c);
1226 for (t = timer_infos; t < timer_infos + c; t++)
1227 strv_free(t->triggered);
1232 static int compare_unit_file_list(const void *a, const void *b) {
1233 const char *d1, *d2;
1234 const UnitFileList *u = a, *v = b;
1236 d1 = strrchr(u->path, '.');
1237 d2 = strrchr(v->path, '.');
1242 r = strcasecmp(d1, d2);
1247 return strcasecmp(basename(u->path), basename(v->path));
1250 static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
1253 if (!strv_isempty(patterns)) {
1256 STRV_FOREACH(pattern, patterns)
1257 if (fnmatch(*pattern, basename(u->path), FNM_NOESCAPE) == 0)
1262 return !arg_types || ((dot = strrchr(u->path, '.')) && strv_find(arg_types, dot+1));
1265 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1266 unsigned max_id_len, id_cols, state_cols;
1267 const UnitFileList *u;
1269 max_id_len = strlen("UNIT FILE");
1270 state_cols = strlen("STATE");
1272 for (u = units; u < units + c; u++) {
1273 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1274 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1278 unsigned basic_cols;
1280 id_cols = MIN(max_id_len, 25u);
1281 basic_cols = 1 + id_cols + state_cols;
1282 if (basic_cols < (unsigned) columns())
1283 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1285 id_cols = max_id_len;
1288 printf("%-*s %-*s\n",
1289 id_cols, "UNIT FILE",
1290 state_cols, "STATE");
1292 for (u = units; u < units + c; u++) {
1293 _cleanup_free_ char *e = NULL;
1294 const char *on, *off;
1297 if (u->state == UNIT_FILE_MASKED ||
1298 u->state == UNIT_FILE_MASKED_RUNTIME ||
1299 u->state == UNIT_FILE_DISABLED ||
1300 u->state == UNIT_FILE_INVALID) {
1301 on = ansi_highlight_red();
1302 off = ansi_highlight_off();
1303 } else if (u->state == UNIT_FILE_ENABLED) {
1304 on = ansi_highlight_green();
1305 off = ansi_highlight_off();
1309 id = basename(u->path);
1311 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1313 printf("%-*s %s%-*s%s\n",
1314 id_cols, e ? e : id,
1315 on, state_cols, unit_file_state_to_string(u->state), off);
1319 printf("\n%u unit files listed.\n", c);
1322 static int list_unit_files(sd_bus *bus, char **args) {
1323 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1324 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1325 _cleanup_free_ UnitFileList *units = NULL;
1333 pager_open_if_enabled();
1341 h = hashmap_new(&string_hash_ops);
1345 r = unit_file_get_list(arg_scope, arg_root, h);
1347 unit_file_list_free(h);
1348 log_error("Failed to get unit file list: %s", strerror(-r));
1352 n_units = hashmap_size(h);
1354 units = new(UnitFileList, n_units);
1355 if (!units && n_units > 0) {
1356 unit_file_list_free(h);
1360 HASHMAP_FOREACH(u, h, i) {
1361 if (!output_show_unit_file(u, strv_skip_first(args)))
1368 assert(c <= n_units);
1371 r = sd_bus_call_method(
1373 "org.freedesktop.systemd1",
1374 "/org/freedesktop/systemd1",
1375 "org.freedesktop.systemd1.Manager",
1381 log_error("Failed to list unit files: %s", bus_error_message(&error, r));
1385 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1387 return bus_log_parse_error(r);
1389 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1391 if (!GREEDY_REALLOC(units, size, c + 1))
1394 units[c] = (struct UnitFileList) {
1396 unit_file_state_from_string(state)
1399 if (output_show_unit_file(&units[c], strv_skip_first(args)))
1404 return bus_log_parse_error(r);
1406 r = sd_bus_message_exit_container(reply);
1408 return bus_log_parse_error(r);
1411 qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
1412 output_unit_file_list(units, c);
1415 for (unit = units; unit < units + c; unit++)
1422 static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
1423 _cleanup_free_ char *n = NULL;
1424 size_t max_len = MAX(columns(),20u);
1430 for (i = level - 1; i >= 0; i--) {
1432 if (len > max_len - 3 && !arg_full) {
1433 printf("%s...\n",max_len % 2 ? "" : " ");
1436 printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
1440 if (len > max_len - 3 && !arg_full) {
1441 printf("%s...\n",max_len % 2 ? "" : " ");
1445 printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
1449 printf("%s\n", name);
1453 n = ellipsize(name, max_len-len, 100);
1461 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1463 static const char *dependencies[_DEPENDENCY_MAX] = {
1464 [DEPENDENCY_FORWARD] = "Requires\0"
1465 "RequiresOverridable\0"
1467 "RequisiteOverridable\0"
1469 [DEPENDENCY_REVERSE] = "RequiredBy\0"
1470 "RequiredByOverridable\0"
1473 [DEPENDENCY_AFTER] = "After\0",
1474 [DEPENDENCY_BEFORE] = "Before\0",
1477 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1478 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1479 _cleanup_strv_free_ char **ret = NULL;
1480 _cleanup_free_ char *path = NULL;
1486 assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX);
1488 path = unit_dbus_path_from_name(name);
1492 r = sd_bus_call_method(
1494 "org.freedesktop.systemd1",
1496 "org.freedesktop.DBus.Properties",
1500 "s", "org.freedesktop.systemd1.Unit");
1502 log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1506 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
1508 return bus_log_parse_error(r);
1510 while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
1513 r = sd_bus_message_read(reply, "s", &prop);
1515 return bus_log_parse_error(r);
1517 if (!nulstr_contains(dependencies[arg_dependency], prop)) {
1518 r = sd_bus_message_skip(reply, "v");
1520 return bus_log_parse_error(r);
1523 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as");
1525 return bus_log_parse_error(r);
1527 r = bus_message_read_strv_extend(reply, &ret);
1529 return bus_log_parse_error(r);
1531 r = sd_bus_message_exit_container(reply);
1533 return bus_log_parse_error(r);
1536 r = sd_bus_message_exit_container(reply);
1538 return bus_log_parse_error(r);
1542 return bus_log_parse_error(r);
1544 r = sd_bus_message_exit_container(reply);
1546 return bus_log_parse_error(r);
1554 static int list_dependencies_compare(const void *_a, const void *_b) {
1555 const char **a = (const char**) _a, **b = (const char**) _b;
1557 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1559 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1562 return strcasecmp(*a, *b);
1565 static int list_dependencies_one(
1570 unsigned int branches) {
1572 _cleanup_strv_free_ char **deps = NULL;
1580 r = strv_extend(units, name);
1584 r = list_dependencies_get_dependencies(bus, name, &deps);
1588 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
1590 STRV_FOREACH(c, deps) {
1593 if (strv_contains(*units, *c)) {
1595 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1602 state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
1604 printf("%s%s%s ", ansi_highlight_green(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
1606 printf("%s%s%s ", ansi_highlight_red(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
1608 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1612 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1613 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1620 strv_remove(*units, name);
1625 static int list_dependencies(sd_bus *bus, char **args) {
1626 _cleanup_strv_free_ char **units = NULL;
1627 _cleanup_free_ char *unit = NULL;
1633 unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
1638 u = SPECIAL_DEFAULT_TARGET;
1640 pager_open_if_enabled();
1644 return list_dependencies_one(bus, u, 0, &units, 0);
1647 struct machine_info {
1651 char *control_group;
1652 uint32_t n_failed_units;
1657 static const struct bus_properties_map machine_info_property_map[] = {
1658 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1659 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1660 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1661 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1662 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1666 static void free_machines_list(struct machine_info *machine_infos, int n) {
1672 for (i = 0; i < n; i++) {
1673 free(machine_infos[i].name);
1674 free(machine_infos[i].state);
1675 free(machine_infos[i].control_group);
1678 free(machine_infos);
1681 static int compare_machine_info(const void *a, const void *b) {
1682 const struct machine_info *u = a, *v = b;
1684 if (u->is_host != v->is_host)
1685 return u->is_host > v->is_host ? -1 : 1;
1687 return strcasecmp(u->name, v->name);
1690 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1691 _cleanup_bus_close_unref_ sd_bus *container = NULL;
1697 r = sd_bus_open_system_container(&container, mi->name);
1704 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi);
1711 static bool output_show_machine(const char *name, char **patterns) {
1716 if (strv_isempty(patterns))
1719 STRV_FOREACH(i, patterns)
1720 if (fnmatch(*i, name, FNM_NOESCAPE) == 0)
1726 static int get_machine_list(
1728 struct machine_info **_machine_infos,
1731 struct machine_info *machine_infos = NULL;
1732 _cleanup_strv_free_ char **m = NULL;
1733 _cleanup_free_ char *hn = NULL;
1738 hn = gethostname_malloc();
1742 if (output_show_machine(hn, patterns)) {
1743 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1746 machine_infos[c].is_host = true;
1747 machine_infos[c].name = hn;
1750 get_machine_properties(bus, &machine_infos[c]);
1754 sd_get_machine_names(&m);
1755 STRV_FOREACH(i, m) {
1756 _cleanup_free_ char *class = NULL;
1758 if (!output_show_machine(*i, patterns))
1761 sd_machine_get_class(*i, &class);
1762 if (!streq_ptr(class, "container"))
1765 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
1766 free_machines_list(machine_infos, c);
1770 machine_infos[c].is_host = false;
1771 machine_infos[c].name = strdup(*i);
1772 if (!machine_infos[c].name) {
1773 free_machines_list(machine_infos, c);
1777 get_machine_properties(NULL, &machine_infos[c]);
1781 *_machine_infos = machine_infos;
1785 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
1786 struct machine_info *m;
1789 namelen = sizeof("NAME") - 1,
1790 statelen = sizeof("STATE") - 1,
1791 failedlen = sizeof("FAILED") - 1,
1792 jobslen = sizeof("JOBS") - 1;
1794 assert(machine_infos || n == 0);
1796 for (m = machine_infos; m < machine_infos + n; m++) {
1797 namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0));
1798 statelen = MAX(statelen, m->state ? strlen(m->state) : 0);
1799 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
1800 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
1802 if (!arg_no_legend && !streq_ptr(m->state, "running"))
1806 if (!arg_no_legend) {
1810 printf("%-*s %-*s %-*s %-*s\n",
1813 failedlen, "FAILED",
1817 for (m = machine_infos; m < machine_infos + n; m++) {
1818 const char *on_state = "", *off_state = "";
1819 const char *on_failed = "", *off_failed = "";
1820 bool circle = false;
1822 if (streq_ptr(m->state, "degraded")) {
1823 on_state = ansi_highlight_red();
1824 off_state = ansi_highlight_off();
1826 } else if (!streq_ptr(m->state, "running")) {
1827 on_state = ansi_highlight_yellow();
1828 off_state = ansi_highlight_off();
1832 if (m->n_failed_units > 0) {
1833 on_failed = ansi_highlight_red();
1834 off_failed = ansi_highlight_off();
1836 on_failed = off_failed = "";
1839 printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
1842 printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
1843 (int) (namelen - (sizeof(" (host)")-1)), strna(m->name),
1844 on_state, statelen, strna(m->state), off_state,
1845 on_failed, failedlen, m->n_failed_units, off_failed,
1846 jobslen, m->n_jobs);
1848 printf("%-*s %s%-*s%s %s%*u%s %*u\n",
1849 namelen, strna(m->name),
1850 on_state, statelen, strna(m->state), off_state,
1851 on_failed, failedlen, m->n_failed_units, off_failed,
1852 jobslen, m->n_jobs);
1856 printf("\n%u machines listed.\n", n);
1859 static int list_machines(sd_bus *bus, char **args) {
1860 struct machine_info *machine_infos = NULL;
1865 if (geteuid() != 0) {
1866 log_error("Must be root.");
1870 pager_open_if_enabled();
1872 r = get_machine_list(bus, &machine_infos, strv_skip_first(args));
1876 qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
1877 output_machines_list(machine_infos, r);
1878 free_machines_list(machine_infos, r);
1883 static int get_default(sd_bus *bus, char **args) {
1884 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1885 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1886 _cleanup_free_ char *_path = NULL;
1890 if (!bus || avoid_bus()) {
1891 r = unit_file_get_default(arg_scope, arg_root, &_path);
1893 log_error("Failed to get default target: %s", strerror(-r));
1899 r = sd_bus_call_method(
1901 "org.freedesktop.systemd1",
1902 "/org/freedesktop/systemd1",
1903 "org.freedesktop.systemd1.Manager",
1909 log_error("Failed to get default target: %s", bus_error_message(&error, -r));
1913 r = sd_bus_message_read(reply, "s", &path);
1915 return bus_log_parse_error(r);
1919 printf("%s\n", path);
1924 static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) {
1927 assert(changes || n_changes == 0);
1929 for (i = 0; i < n_changes; i++) {
1930 if (changes[i].type == UNIT_FILE_SYMLINK)
1931 log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source);
1933 log_info("Removed symlink %s.", changes[i].path);
1937 static int deserialize_and_dump_unit_file_changes(sd_bus_message *m) {
1938 const char *type, *path, *source;
1941 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
1943 return bus_log_parse_error(r);
1945 while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
1947 if (streq(type, "symlink"))
1948 log_info("Created symlink from %s to %s.", path, source);
1950 log_info("Removed symlink %s.", path);
1954 return bus_log_parse_error(r);
1956 r = sd_bus_message_exit_container(m);
1958 return bus_log_parse_error(r);
1963 static int set_default(sd_bus *bus, char **args) {
1964 _cleanup_free_ char *unit = NULL;
1965 UnitFileChange *changes = NULL;
1966 unsigned n_changes = 0;
1969 unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
1973 if (!bus || avoid_bus()) {
1974 r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
1976 log_error("Failed to set default target: %s", strerror(-r));
1981 dump_unit_file_changes(changes, n_changes);
1985 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1986 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1988 r = sd_bus_call_method(
1990 "org.freedesktop.systemd1",
1991 "/org/freedesktop/systemd1",
1992 "org.freedesktop.systemd1.Manager",
1998 log_error("Failed to set default target: %s", bus_error_message(&error, -r));
2002 r = deserialize_and_dump_unit_file_changes(reply);
2006 /* Try to reload if enabled */
2008 r = daemon_reload(bus, args);
2013 unit_file_changes_free(changes, n_changes);
2020 const char *name, *type, *state;
2023 static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) {
2024 unsigned id_len, unit_len, type_len, state_len;
2025 const struct job_info *j;
2026 const char *on, *off;
2027 bool shorten = false;
2029 assert(n == 0 || jobs);
2032 on = ansi_highlight_green();
2033 off = ansi_highlight_off();
2035 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2039 pager_open_if_enabled();
2041 id_len = strlen("JOB");
2042 unit_len = strlen("UNIT");
2043 type_len = strlen("TYPE");
2044 state_len = strlen("STATE");
2046 for (j = jobs; j < jobs + n; j++) {
2047 uint32_t id = j->id;
2048 assert(j->name && j->type && j->state);
2050 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2051 unit_len = MAX(unit_len, strlen(j->name));
2052 type_len = MAX(type_len, strlen(j->type));
2053 state_len = MAX(state_len, strlen(j->state));
2056 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2057 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2062 printf("%*s %-*s %-*s %-*s\n",
2066 state_len, "STATE");
2068 for (j = jobs; j < jobs + n; j++) {
2069 _cleanup_free_ char *e = NULL;
2071 if (streq(j->state, "running")) {
2072 on = ansi_highlight();
2073 off = ansi_highlight_off();
2077 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2078 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2080 on, unit_len, e ? e : j->name, off,
2082 on, state_len, j->state, off);
2085 if (!arg_no_legend) {
2086 on = ansi_highlight();
2087 off = ansi_highlight_off();
2089 printf("\n%s%u jobs listed%s.\n", on, n, off);
2093 static bool output_show_job(struct job_info *job, char **patterns) {
2098 if (strv_isempty(patterns))
2101 STRV_FOREACH(pattern, patterns)
2102 if (fnmatch(*pattern, job->name, FNM_NOESCAPE) == 0)
2107 static int list_jobs(sd_bus *bus, char **args) {
2108 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2109 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2110 const char *name, *type, *state, *job_path, *unit_path;
2111 _cleanup_free_ struct job_info *jobs = NULL;
2116 bool skipped = false;
2118 r = sd_bus_call_method(
2120 "org.freedesktop.systemd1",
2121 "/org/freedesktop/systemd1",
2122 "org.freedesktop.systemd1.Manager",
2128 log_error("Failed to list jobs: %s", bus_error_message(&error, r));
2132 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2134 return bus_log_parse_error(r);
2136 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
2137 struct job_info job = { id, name, type, state };
2139 if (!output_show_job(&job, strv_skip_first(args))) {
2144 if (!GREEDY_REALLOC(jobs, size, c + 1))
2150 return bus_log_parse_error(r);
2152 r = sd_bus_message_exit_container(reply);
2154 return bus_log_parse_error(r);
2156 output_jobs_list(jobs, c, skipped);
2160 static int cancel_job(sd_bus *bus, char **args) {
2161 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2166 if (strv_length(args) <= 1)
2167 return daemon_reload(bus, args);
2169 STRV_FOREACH(name, args+1) {
2173 r = safe_atou32(*name, &id);
2175 log_error("Failed to parse job id \"%s\": %s", *name, strerror(-r));
2179 r = sd_bus_call_method(
2181 "org.freedesktop.systemd1",
2182 "/org/freedesktop/systemd1",
2183 "org.freedesktop.systemd1.Manager",
2189 log_error("Failed to cancel job %u: %s", (unsigned) id, bus_error_message(&error, r));
2197 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2198 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2202 /* We ignore all errors here, since this is used to show a
2205 /* We don't use unit_dbus_path_from_name() directly since we
2206 * don't want to load the unit if it isn't loaded. */
2208 r = sd_bus_call_method(
2210 "org.freedesktop.systemd1",
2211 "/org/freedesktop/systemd1",
2212 "org.freedesktop.systemd1.Manager",
2220 r = sd_bus_message_read(reply, "o", &path);
2224 r = sd_bus_get_property_trivial(
2226 "org.freedesktop.systemd1",
2228 "org.freedesktop.systemd1.Unit",
2238 typedef struct WaitData {
2245 static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data, sd_bus_error *error) {
2252 log_debug("Got D-Bus request: %s.%s() on %s",
2253 sd_bus_message_get_interface(m),
2254 sd_bus_message_get_member(m),
2255 sd_bus_message_get_path(m));
2257 if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected")) {
2258 log_error("Warning! D-Bus connection terminated.");
2260 } else if (sd_bus_message_is_signal(m, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
2262 const char *path, *result, *unit;
2266 r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
2268 ret = set_remove(d->set, (char*) path);
2274 if (!isempty(result))
2275 d->result = strdup(result);
2278 d->name = strdup(unit);
2283 r = sd_bus_message_read(m, "uos", &id, &path, &result);
2285 ret = set_remove(d->set, (char*) path);
2292 d->result = strdup(result);
2298 bus_log_parse_error(r);
2304 static int enable_wait_for_jobs(sd_bus *bus) {
2309 r = sd_bus_add_match(
2313 "sender='org.freedesktop.systemd1',"
2314 "interface='org.freedesktop.systemd1.Manager',"
2315 "member='JobRemoved',"
2316 "path='/org/freedesktop/systemd1'",
2319 log_error("Failed to add match");
2323 /* This is slightly dirty, since we don't undo the match registrations. */
2327 static int bus_process_wait(sd_bus *bus) {
2331 r = sd_bus_process(bus, NULL);
2336 r = sd_bus_wait(bus, (uint64_t) -1);
2342 static int check_wait_response(WaitData *d) {
2348 if (streq(d->result, "timeout"))
2349 log_error("Job for %s timed out.", strna(d->name));
2350 else if (streq(d->result, "canceled"))
2351 log_error("Job for %s canceled.", strna(d->name));
2352 else if (streq(d->result, "dependency"))
2353 log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d->name));
2354 else if (!streq(d->result, "done") && !streq(d->result, "skipped")) {
2358 quotes = chars_intersect(d->name, SHELL_NEED_QUOTES);
2360 log_error("Job for %s failed. See \"systemctl status %s%s%s\" and \"journalctl -xn\" for details.",
2362 quotes ? "'" : "", d->name, quotes ? "'" : "");
2364 log_error("Job failed. See \"journalctl -xn\" for details.");
2368 if (streq(d->result, "timeout"))
2370 else if (streq(d->result, "canceled"))
2372 else if (streq(d->result, "dependency"))
2374 else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
2380 static int wait_for_jobs(sd_bus *bus, Set *s) {
2381 _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL;
2382 WaitData d = { .set = s };
2388 q = sd_bus_add_filter(bus, &slot, wait_filter, &d);
2392 while (!set_isempty(s)) {
2393 q = bus_process_wait(bus);
2395 log_error("Failed to wait for response: %s", strerror(-q));
2400 q = check_wait_response(&d);
2401 /* Return the first error as it is most likely to be
2403 if (q < 0 && r == 0)
2405 log_debug("Got result %s/%s for job %s",
2406 strna(d.result), strerror(-q), strna(d.name));
2419 static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
2420 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2421 _cleanup_free_ char *n = NULL, *state = NULL;
2427 n = unit_name_mangle(name, MANGLE_NOGLOB);
2431 /* We don't use unit_dbus_path_from_name() directly since we
2432 * don't want to load the unit if it isn't loaded. */
2434 r = sd_bus_call_method(
2436 "org.freedesktop.systemd1",
2437 "/org/freedesktop/systemd1",
2438 "org.freedesktop.systemd1.Manager",
2449 r = sd_bus_message_read(reply, "o", &path);
2451 return bus_log_parse_error(r);
2453 r = sd_bus_get_property_string(
2455 "org.freedesktop.systemd1",
2457 "org.freedesktop.systemd1.Unit",
2470 return nulstr_contains(good_states, state);
2473 static int check_triggering_units(
2477 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2478 _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL;
2479 _cleanup_strv_free_ char **triggered_by = NULL;
2480 bool print_warning_label = true;
2484 n = unit_name_mangle(name, MANGLE_NOGLOB);
2488 path = unit_dbus_path_from_name(n);
2492 r = sd_bus_get_property_string(
2494 "org.freedesktop.systemd1",
2496 "org.freedesktop.systemd1.Unit",
2501 log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r));
2505 if (streq(state, "masked"))
2508 r = sd_bus_get_property_strv(
2510 "org.freedesktop.systemd1",
2512 "org.freedesktop.systemd1.Unit",
2517 log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2521 STRV_FOREACH(i, triggered_by) {
2522 r = check_one_unit(bus, *i, "active\0reloading\0", true);
2524 log_error("Failed to check unit: %s", strerror(-r));
2531 if (print_warning_label) {
2532 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2533 print_warning_label = false;
2536 log_warning(" %s", *i);
2542 static const char *verb_to_method(const char *verb) {
2545 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2546 if (streq_ptr(unit_actions[i].verb, verb))
2547 return unit_actions[i].method;
2552 static const char *method_to_verb(const char *method) {
2555 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2556 if (streq_ptr(unit_actions[i].method, method))
2557 return unit_actions[i].verb;
2562 static int start_unit_one(
2567 sd_bus_error *error,
2570 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2579 log_debug("Calling manager for %s on %s, %s", method, name, mode);
2580 r = sd_bus_call_method(
2582 "org.freedesktop.systemd1",
2583 "/org/freedesktop/systemd1",
2584 "org.freedesktop.systemd1.Manager",
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 log_warning("Warning: Unit file of %s changed on disk, 'systemctl%s daemon-reload' recommended.",
2609 name, arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2618 log_debug("Adding %s to the set", p);
2619 r = set_consume(s, p);
2627 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
2629 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
2633 STRV_FOREACH(name, names) {
2637 t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
2639 t = unit_name_mangle(*name, MANGLE_GLOB);
2643 if (string_is_glob(t))
2644 r = strv_consume(&globs, t);
2646 r = strv_consume(&mangled, t);
2651 /* Query the manager only if any of the names are a glob, since
2652 * this is fairly expensive */
2653 if (!strv_isempty(globs)) {
2654 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2655 _cleanup_free_ UnitInfo *unit_infos = NULL;
2657 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
2661 for (i = 0; i < r; i++)
2662 if (strv_extend(&mangled, unit_infos[i].id) < 0)
2667 mangled = NULL; /* do not free */
2672 static const struct {
2676 } action_table[_ACTION_MAX] = {
2677 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
2678 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
2679 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
2680 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
2681 [ACTION_RUNLEVEL2] = { SPECIAL_RUNLEVEL2_TARGET, NULL, "isolate" },
2682 [ACTION_RUNLEVEL3] = { SPECIAL_RUNLEVEL3_TARGET, NULL, "isolate" },
2683 [ACTION_RUNLEVEL4] = { SPECIAL_RUNLEVEL4_TARGET, NULL, "isolate" },
2684 [ACTION_RUNLEVEL5] = { SPECIAL_RUNLEVEL5_TARGET, NULL, "isolate" },
2685 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
2686 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
2687 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
2688 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
2689 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
2690 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
2691 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
2694 static enum action verb_to_action(const char *verb) {
2697 for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
2698 if (streq_ptr(action_table[i].verb, verb))
2701 return _ACTION_INVALID;
2704 static int start_unit(sd_bus *bus, char **args) {
2705 _cleanup_set_free_free_ Set *s = NULL;
2706 _cleanup_strv_free_ char **names = NULL;
2707 const char *method, *mode, *one_name;
2713 ask_password_agent_open_if_enabled();
2715 if (arg_action == ACTION_SYSTEMCTL) {
2717 method = verb_to_method(args[0]);
2718 action = verb_to_action(args[0]);
2720 mode = streq(args[0], "isolate") ? "isolate" :
2721 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, NULL, &names);
2739 log_error("Failed to expand names: %s", strerror(-r));
2742 if (!arg_no_block) {
2743 r = enable_wait_for_jobs(bus);
2745 log_error("Could not watch jobs: %s", strerror(-r));
2749 s = set_new(&string_hash_ops);
2754 STRV_FOREACH(name, names) {
2755 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2758 q = start_unit_one(bus, method, *name, mode, &error, s);
2759 if (r >= 0 && q < 0)
2760 r = translate_bus_error_to_exit_status(q, &error);
2763 if (!arg_no_block) {
2766 q = wait_for_jobs(bus, s);
2770 /* When stopping units, warn if they can still be triggered by
2771 * another active unit (socket, path, timer) */
2772 if (!arg_quiet && streq(method, "StopUnit"))
2773 STRV_FOREACH(name, names)
2774 check_triggering_units(bus, *name);
2780 /* Ask systemd-logind, which might grant access to unprivileged users
2781 * through PolicyKit */
2782 static int reboot_with_logind(sd_bus *bus, enum action a) {
2784 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
2791 polkit_agent_open_if_enabled();
2799 case ACTION_POWEROFF:
2800 method = "PowerOff";
2803 case ACTION_SUSPEND:
2807 case ACTION_HIBERNATE:
2808 method = "Hibernate";
2811 case ACTION_HYBRID_SLEEP:
2812 method = "HybridSleep";
2819 r = sd_bus_call_method(
2821 "org.freedesktop.login1",
2822 "/org/freedesktop/login1",
2823 "org.freedesktop.login1.Manager",
2829 log_error("Failed to execute operation: %s", bus_error_message(&error, r));
2837 static int check_inhibitors(sd_bus *bus, enum action a) {
2839 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
2840 _cleanup_strv_free_ char **sessions = NULL;
2841 const char *what, *who, *why, *mode;
2850 if (arg_ignore_inhibitors || arg_force > 0)
2862 r = sd_bus_call_method(
2864 "org.freedesktop.login1",
2865 "/org/freedesktop/login1",
2866 "org.freedesktop.login1.Manager",
2872 /* If logind is not around, then there are no inhibitors... */
2875 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
2877 return bus_log_parse_error(r);
2879 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
2880 _cleanup_free_ char *comm = NULL, *user = NULL;
2881 _cleanup_strv_free_ char **sv = NULL;
2883 if (!streq(mode, "block"))
2886 sv = strv_split(what, ":");
2890 if (!strv_contains(sv,
2892 a == ACTION_POWEROFF ||
2893 a == ACTION_REBOOT ||
2894 a == ACTION_KEXEC ? "shutdown" : "sleep"))
2897 get_process_comm(pid, &comm);
2898 user = uid_to_name(uid);
2900 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
2901 who, pid, strna(comm), strna(user), why);
2906 return bus_log_parse_error(r);
2908 r = sd_bus_message_exit_container(reply);
2910 return bus_log_parse_error(r);
2912 /* Check for current sessions */
2913 sd_get_sessions(&sessions);
2914 STRV_FOREACH(s, sessions) {
2915 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
2917 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
2920 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
2923 if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
2926 sd_session_get_tty(*s, &tty);
2927 sd_session_get_seat(*s, &seat);
2928 sd_session_get_service(*s, &service);
2929 user = uid_to_name(uid);
2931 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
2938 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
2939 action_table[a].verb);
2947 static int start_special(sd_bus *bus, char **args) {
2953 a = verb_to_action(args[0]);
2955 r = check_inhibitors(bus, a);
2959 if (arg_force >= 2 && geteuid() != 0) {
2960 log_error("Must be root.");
2964 if (arg_force >= 2 &&
2965 (a == ACTION_HALT ||
2966 a == ACTION_POWEROFF ||
2967 a == ACTION_REBOOT))
2970 if (arg_force >= 1 &&
2971 (a == ACTION_HALT ||
2972 a == ACTION_POWEROFF ||
2973 a == ACTION_REBOOT ||
2974 a == ACTION_KEXEC ||
2976 return daemon_reload(bus, args);
2978 /* first try logind, to allow authentication with polkit */
2979 if (geteuid() != 0 &&
2980 (a == ACTION_POWEROFF ||
2981 a == ACTION_REBOOT ||
2982 a == ACTION_SUSPEND ||
2983 a == ACTION_HIBERNATE ||
2984 a == ACTION_HYBRID_SLEEP)) {
2985 r = reboot_with_logind(bus, a);
2990 r = start_unit(bus, args);
2991 if (r == EXIT_SUCCESS)
2997 static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
2998 _cleanup_strv_free_ char **names = NULL;
3005 r = expand_names(bus, args, NULL, &names);
3007 log_error("Failed to expand names: %s", strerror(-r));
3011 STRV_FOREACH(name, names) {
3014 state = check_one_unit(bus, *name, good_states, arg_quiet);
3024 static int check_unit_active(sd_bus *bus, char **args) {
3025 /* According to LSB: 3, "program is not running" */
3026 return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
3029 static int check_unit_failed(sd_bus *bus, char **args) {
3030 return check_unit_generic(bus, 1, "failed\0", args + 1);
3033 static int kill_unit(sd_bus *bus, char **args) {
3034 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
3035 _cleanup_strv_free_ char **names = NULL;
3043 arg_kill_who = "all";
3045 r = expand_names(bus, args + 1, NULL, &names);
3047 log_error("Failed to expand names: %s", strerror(-r));
3049 STRV_FOREACH(name, names) {
3050 q = sd_bus_call_method(
3052 "org.freedesktop.systemd1",
3053 "/org/freedesktop/systemd1",
3054 "org.freedesktop.systemd1.Manager",
3058 "ssi", *names, arg_kill_who, arg_signal);
3060 log_error("Failed to kill unit %s: %s",
3061 *names, bus_error_message(&error, r));
3070 typedef struct ExecStatusInfo {
3078 usec_t start_timestamp;
3079 usec_t exit_timestamp;
3084 LIST_FIELDS(struct ExecStatusInfo, exec);
3087 static void exec_status_info_free(ExecStatusInfo *i) {
3096 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
3097 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3100 int32_t code, status;
3106 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
3108 return bus_log_parse_error(r);
3112 r = sd_bus_message_read(m, "s", &path);
3114 return bus_log_parse_error(r);
3116 i->path = strdup(path);
3120 r = sd_bus_message_read_strv(m, &i->argv);
3122 return bus_log_parse_error(r);
3124 r = sd_bus_message_read(m,
3127 &start_timestamp, &start_timestamp_monotonic,
3128 &exit_timestamp, &exit_timestamp_monotonic,
3132 return bus_log_parse_error(r);
3135 i->start_timestamp = (usec_t) start_timestamp;
3136 i->exit_timestamp = (usec_t) exit_timestamp;
3137 i->pid = (pid_t) pid;
3141 r = sd_bus_message_exit_container(m);
3143 return bus_log_parse_error(r);
3148 typedef struct UnitStatusInfo {
3150 const char *load_state;
3151 const char *active_state;
3152 const char *sub_state;
3153 const char *unit_file_state;
3155 const char *description;
3156 const char *following;
3158 char **documentation;
3160 const char *fragment_path;
3161 const char *source_path;
3162 const char *control_group;