1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/reboot.h>
28 #include <sys/ioctl.h>
32 #include <sys/socket.h>
35 #include <sys/prctl.h>
36 #include <dbus/dbus.h>
38 #include <systemd/sd-daemon.h>
39 #include <systemd/sd-shutdown.h>
45 #include "utmp-wtmp.h"
48 #include "path-util.h"
50 #include "dbus-common.h"
51 #include "cgroup-show.h"
52 #include "cgroup-util.h"
54 #include "path-lookup.h"
55 #include "conf-parser.h"
56 #include "exit-status.h"
57 #include "bus-errors.h"
59 #include "unit-name.h"
61 #include "spawn-ask-password-agent.h"
62 #include "spawn-polkit-agent.h"
64 #include "logs-show.h"
65 #include "path-util.h"
67 static const char *arg_type = NULL;
68 static char **arg_property = NULL;
69 static bool arg_all = false;
70 static const char *arg_job_mode = "replace";
71 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
72 static bool arg_no_block = false;
73 static bool arg_no_legend = false;
74 static bool arg_no_pager = false;
75 static bool arg_no_wtmp = false;
76 static bool arg_no_sync = false;
77 static bool arg_no_wall = false;
78 static bool arg_no_reload = false;
79 static bool arg_dry = false;
80 static bool arg_quiet = false;
81 static bool arg_full = false;
82 static int arg_force = 0;
83 static bool arg_ask_password = true;
84 static bool arg_failed = false;
85 static bool arg_runtime = false;
86 static char **arg_wall = NULL;
87 static const char *arg_kill_who = NULL;
88 static const char *arg_kill_mode = NULL;
89 static int arg_signal = SIGTERM;
90 static const char *arg_root = NULL;
91 static usec_t arg_when = 0;
112 ACTION_CANCEL_SHUTDOWN,
114 } arg_action = ACTION_SYSTEMCTL;
120 static enum transport {
124 } arg_transport = TRANSPORT_NORMAL;
125 static const char *arg_host = NULL;
126 static bool arg_follow = false;
127 static unsigned arg_lines = 10;
128 static OutputMode arg_output = OUTPUT_SHORT;
130 static bool private_bus = false;
132 static int daemon_reload(DBusConnection *bus, char **args);
133 static void halt_now(enum action a);
135 static bool on_tty(void) {
138 /* Note that this is invoked relatively early, before we start
139 * the pager. That means the value we return reflects whether
140 * we originally were started on a tty, not if we currently
141 * are. But this is intended, since we want colour and so on
142 * when run in our own pager. */
144 if (_unlikely_(t < 0))
145 t = isatty(STDOUT_FILENO) > 0;
150 static void pager_open_if_enabled(void) {
152 /* Cache result before we open the pager */
161 static void ask_password_agent_open_if_enabled(void) {
163 /* Open the password agent as a child process if necessary */
165 if (!arg_ask_password)
168 if (arg_scope != UNIT_FILE_SYSTEM)
171 ask_password_agent_open();
175 static void polkit_agent_open_if_enabled(void) {
177 /* Open the polkit agent as a child process if necessary */
179 if (!arg_ask_password)
182 if (arg_scope != UNIT_FILE_SYSTEM)
189 static const char *ansi_highlight_red(bool b) {
194 return b ? ANSI_HIGHLIGHT_RED_ON : ANSI_HIGHLIGHT_OFF;
197 static const char *ansi_highlight_green(bool b) {
202 return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
205 static bool error_is_no_service(const DBusError *error) {
208 if (!dbus_error_is_set(error))
211 if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
214 if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
217 return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
220 static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
223 if (!dbus_error_is_set(error))
226 if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
227 dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
228 dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
229 dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
230 return EXIT_NOPERMISSION;
232 if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
233 return EXIT_NOTINSTALLED;
235 if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
236 dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
237 return EXIT_NOTIMPLEMENTED;
239 if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
240 return EXIT_NOTCONFIGURED;
248 static void warn_wall(enum action a) {
249 static const char *table[_ACTION_MAX] = {
250 [ACTION_HALT] = "The system is going down for system halt NOW!",
251 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
252 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
253 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
254 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
255 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
264 p = strv_join(arg_wall, " ");
266 log_error("Failed to join strings.");
282 utmp_wall(table[a], NULL);
285 static bool avoid_bus(void) {
287 if (running_in_chroot() > 0)
290 if (sd_booted() <= 0)
293 if (!isempty(arg_root))
296 if (arg_scope == UNIT_FILE_GLOBAL)
304 const char *description;
305 const char *load_state;
306 const char *active_state;
307 const char *sub_state;
308 const char *following;
309 const char *unit_path;
311 const char *job_type;
312 const char *job_path;
315 static int compare_unit_info(const void *a, const void *b) {
317 const struct unit_info *u = a, *v = b;
319 d1 = strrchr(u->id, '.');
320 d2 = strrchr(v->id, '.');
325 if ((r = strcasecmp(d1, d2)) != 0)
329 return strcasecmp(u->id, v->id);
332 static bool output_show_unit(const struct unit_info *u) {
336 return streq(u->active_state, "failed");
338 return (!arg_type || ((dot = strrchr(u->id, '.')) &&
339 streq(dot+1, arg_type))) &&
340 (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
343 static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
344 unsigned id_len, max_id_len, active_len, sub_len, job_len, desc_len, n_shown = 0;
345 const struct unit_info *u;
347 max_id_len = sizeof("UNIT")-1;
348 active_len = sizeof("ACTIVE")-1;
349 sub_len = sizeof("SUB")-1;
350 job_len = sizeof("JOB")-1;
353 for (u = unit_infos; u < unit_infos + c; u++) {
354 if (!output_show_unit(u))
357 max_id_len = MAX(max_id_len, strlen(u->id));
358 active_len = MAX(active_len, strlen(u->active_state));
359 sub_len = MAX(sub_len, strlen(u->sub_state));
361 job_len = MAX(job_len, strlen(u->job_type));
366 id_len = MIN(max_id_len, 25);
367 basic_len = 5 + id_len + 6 + active_len + sub_len + job_len;
368 if (basic_len < (unsigned) columns()) {
369 unsigned extra_len, incr;
370 extra_len = columns() - basic_len;
371 /* Either UNIT already got 25, or is fully satisfied.
372 * Grant up to 25 to DESC now. */
373 incr = MIN(extra_len, 25);
376 /* split the remaining space between UNIT and DESC,
377 * but do not give UNIT more than it needs. */
379 incr = MIN(extra_len / 2, max_id_len - id_len);
381 desc_len += extra_len - incr;
387 if (!arg_no_legend) {
388 printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
389 active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
390 if (!arg_full && arg_no_pager)
391 printf("%.*s\n", desc_len, "DESCRIPTION");
393 printf("%s\n", "DESCRIPTION");
396 for (u = unit_infos; u < unit_infos + c; u++) {
398 const char *on_loaded, *off_loaded;
399 const char *on_active, *off_active;
401 if (!output_show_unit(u))
406 if (streq(u->load_state, "error")) {
407 on_loaded = ansi_highlight_red(true);
408 off_loaded = ansi_highlight_red(false);
410 on_loaded = off_loaded = "";
412 if (streq(u->active_state, "failed")) {
413 on_active = ansi_highlight_red(true);
414 off_active = ansi_highlight_red(false);
416 on_active = off_active = "";
418 e = arg_full ? NULL : ellipsize(u->id, id_len, 33);
420 printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ",
421 id_len, e ? e : u->id,
422 on_loaded, u->load_state, off_loaded,
423 on_active, active_len, u->active_state,
424 sub_len, u->sub_state, off_active,
425 job_len, u->job_id ? u->job_type : "");
426 if (!arg_full && arg_no_pager)
427 printf("%.*s\n", desc_len, u->description);
429 printf("%s\n", u->description);
434 if (!arg_no_legend) {
435 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
436 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
437 "SUB = The low-level unit activation state, values depend on unit type.\n"
438 "JOB = Pending job for the unit.\n");
441 printf("\n%u units listed.\n", n_shown);
443 printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
447 static int list_units(DBusConnection *bus, char **args) {
448 DBusMessage *m = NULL, *reply = NULL;
451 DBusMessageIter iter, sub, sub2;
452 unsigned c = 0, n_units = 0;
453 struct unit_info *unit_infos = NULL;
455 dbus_error_init(&error);
459 pager_open_if_enabled();
461 if (!(m = dbus_message_new_method_call(
462 "org.freedesktop.systemd1",
463 "/org/freedesktop/systemd1",
464 "org.freedesktop.systemd1.Manager",
466 log_error("Could not allocate message.");
470 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
471 log_error("Failed to issue method call: %s", bus_error_message(&error));
476 if (!dbus_message_iter_init(reply, &iter) ||
477 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
478 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
479 log_error("Failed to parse reply.");
484 dbus_message_iter_recurse(&iter, &sub);
486 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
489 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
490 log_error("Failed to parse reply.");
498 n_units = MAX(2*c, 16);
499 w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
502 log_error("Failed to allocate unit array.");
512 dbus_message_iter_recurse(&sub, &sub2);
514 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
515 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
516 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
517 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
518 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
519 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
520 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
521 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
522 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
523 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
524 log_error("Failed to parse reply.");
529 dbus_message_iter_next(&sub);
534 qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
535 output_units_list(unit_infos, c);
542 dbus_message_unref(m);
545 dbus_message_unref(reply);
549 dbus_error_free(&error);
554 static int compare_unit_file_list(const void *a, const void *b) {
556 const UnitFileList *u = a, *v = b;
558 d1 = strrchr(u->path, '.');
559 d2 = strrchr(v->path, '.');
564 r = strcasecmp(d1, d2);
569 return strcasecmp(path_get_file_name(u->path), path_get_file_name(v->path));
572 static bool output_show_unit_file(const UnitFileList *u) {
575 return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type));
578 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
579 unsigned max_id_len, id_cols, state_cols, n_shown = 0;
580 const UnitFileList *u;
582 max_id_len = sizeof("UNIT FILE")-1;
583 state_cols = sizeof("STATE")-1;
584 for (u = units; u < units + c; u++) {
585 if (!output_show_unit_file(u))
588 max_id_len = MAX(max_id_len, strlen(path_get_file_name(u->path)));
589 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
594 id_cols = MIN(max_id_len, 25);
595 basic_cols = 1 + id_cols + state_cols;
596 if (basic_cols < (unsigned) columns())
597 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
599 id_cols = max_id_len;
602 printf("%-*s %-*s\n", id_cols, "UNIT FILE", state_cols, "STATE");
604 for (u = units; u < units + c; u++) {
606 const char *on, *off;
609 if (!output_show_unit_file(u))
614 if (u->state == UNIT_FILE_MASKED ||
615 u->state == UNIT_FILE_MASKED_RUNTIME ||
616 u->state == UNIT_FILE_DISABLED) {
617 on = ansi_highlight_red(true);
618 off = ansi_highlight_red(false);
619 } else if (u->state == UNIT_FILE_ENABLED) {
620 on = ansi_highlight_green(true);
621 off = ansi_highlight_green(false);
625 id = path_get_file_name(u->path);
627 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
629 printf("%-*s %s%-*s%s\n",
631 on, state_cols, unit_file_state_to_string(u->state), off);
637 printf("\n%u unit files listed.\n", n_shown);
640 static int list_unit_files(DBusConnection *bus, char **args) {
641 DBusMessage *m = NULL, *reply = NULL;
644 DBusMessageIter iter, sub, sub2;
645 unsigned c = 0, n_units = 0;
646 UnitFileList *units = NULL;
648 dbus_error_init(&error);
650 pager_open_if_enabled();
657 h = hashmap_new(string_hash_func, string_compare_func);
659 log_error("Out of memory");
663 r = unit_file_get_list(arg_scope, arg_root, h);
665 unit_file_list_free(h);
666 log_error("Failed to get unit file list: %s", strerror(-r));
670 n_units = hashmap_size(h);
671 units = new(UnitFileList, n_units);
673 unit_file_list_free(h);
674 log_error("Out of memory");
678 HASHMAP_FOREACH(u, h, i) {
679 memcpy(units + c++, u, sizeof(UnitFileList));
687 m = dbus_message_new_method_call(
688 "org.freedesktop.systemd1",
689 "/org/freedesktop/systemd1",
690 "org.freedesktop.systemd1.Manager",
693 log_error("Could not allocate message.");
697 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
699 log_error("Failed to issue method call: %s", bus_error_message(&error));
704 if (!dbus_message_iter_init(reply, &iter) ||
705 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
706 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
707 log_error("Failed to parse reply.");
712 dbus_message_iter_recurse(&iter, &sub);
714 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
718 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
719 log_error("Failed to parse reply.");
727 n_units = MAX(2*c, 16);
728 w = realloc(units, sizeof(struct UnitFileList) * n_units);
731 log_error("Failed to allocate unit array.");
741 dbus_message_iter_recurse(&sub, &sub2);
743 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 ||
744 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) {
745 log_error("Failed to parse reply.");
750 u->state = unit_file_state_from_string(state);
752 dbus_message_iter_next(&sub);
758 qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
759 output_unit_file_list(units, c);
766 dbus_message_unref(m);
769 dbus_message_unref(reply);
773 dbus_error_free(&error);
778 static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
779 static const char * const colors[] = {
780 "Requires", "[color=\"black\"]",
781 "RequiresOverridable", "[color=\"black\"]",
782 "Requisite", "[color=\"darkblue\"]",
783 "RequisiteOverridable", "[color=\"darkblue\"]",
784 "Wants", "[color=\"darkgrey\"]",
785 "Conflicts", "[color=\"red\"]",
786 "ConflictedBy", "[color=\"red\"]",
787 "After", "[color=\"green\"]"
790 const char *c = NULL;
797 for (i = 0; i < ELEMENTSOF(colors); i += 2)
798 if (streq(colors[i], prop)) {
806 if (arg_dot != DOT_ALL)
807 if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
810 switch (dbus_message_iter_get_arg_type(iter)) {
812 case DBUS_TYPE_ARRAY:
814 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
817 dbus_message_iter_recurse(iter, &sub);
819 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
822 assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
823 dbus_message_iter_get_basic(&sub, &s);
824 printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
826 dbus_message_iter_next(&sub);
836 static int dot_one(DBusConnection *bus, const char *name, const char *path) {
837 DBusMessage *m = NULL, *reply = NULL;
838 const char *interface = "org.freedesktop.systemd1.Unit";
841 DBusMessageIter iter, sub, sub2, sub3;
846 dbus_error_init(&error);
848 if (!(m = dbus_message_new_method_call(
849 "org.freedesktop.systemd1",
851 "org.freedesktop.DBus.Properties",
853 log_error("Could not allocate message.");
858 if (!dbus_message_append_args(m,
859 DBUS_TYPE_STRING, &interface,
860 DBUS_TYPE_INVALID)) {
861 log_error("Could not append arguments to message.");
866 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
867 log_error("Failed to issue method call: %s", bus_error_message(&error));
872 if (!dbus_message_iter_init(reply, &iter) ||
873 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
874 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
875 log_error("Failed to parse reply.");
880 dbus_message_iter_recurse(&iter, &sub);
882 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
885 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
886 log_error("Failed to parse reply.");
891 dbus_message_iter_recurse(&sub, &sub2);
893 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
894 log_error("Failed to parse reply.");
899 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
900 log_error("Failed to parse reply.");
905 dbus_message_iter_recurse(&sub2, &sub3);
907 if (dot_one_property(name, prop, &sub3)) {
908 log_error("Failed to parse reply.");
913 dbus_message_iter_next(&sub);
920 dbus_message_unref(m);
923 dbus_message_unref(reply);
925 dbus_error_free(&error);
930 static int dot(DBusConnection *bus, char **args) {
931 DBusMessage *m = NULL, *reply = NULL;
934 DBusMessageIter iter, sub, sub2;
936 dbus_error_init(&error);
940 if (!(m = dbus_message_new_method_call(
941 "org.freedesktop.systemd1",
942 "/org/freedesktop/systemd1",
943 "org.freedesktop.systemd1.Manager",
945 log_error("Could not allocate message.");
949 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
950 log_error("Failed to issue method call: %s", bus_error_message(&error));
955 if (!dbus_message_iter_init(reply, &iter) ||
956 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
957 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
958 log_error("Failed to parse reply.");
963 printf("digraph systemd {\n");
965 dbus_message_iter_recurse(&iter, &sub);
966 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
967 const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
969 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
970 log_error("Failed to parse reply.");
975 dbus_message_iter_recurse(&sub, &sub2);
977 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
978 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
979 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
980 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
981 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
982 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
983 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
984 log_error("Failed to parse reply.");
989 if ((r = dot_one(bus, id, unit_path)) < 0)
992 /* printf("\t\"%s\";\n", id); */
993 dbus_message_iter_next(&sub);
998 log_info(" Color legend: black = Requires\n"
999 " dark blue = Requisite\n"
1000 " dark grey = Wants\n"
1001 " red = Conflicts\n"
1002 " green = After\n");
1005 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1006 "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
1012 dbus_message_unref(m);
1015 dbus_message_unref(reply);
1017 dbus_error_free(&error);
1022 static int list_jobs(DBusConnection *bus, char **args) {
1023 DBusMessage *m = NULL, *reply = NULL;
1026 DBusMessageIter iter, sub, sub2;
1029 dbus_error_init(&error);
1033 pager_open_if_enabled();
1035 if (!(m = dbus_message_new_method_call(
1036 "org.freedesktop.systemd1",
1037 "/org/freedesktop/systemd1",
1038 "org.freedesktop.systemd1.Manager",
1040 log_error("Could not allocate message.");
1044 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1045 log_error("Failed to issue method call: %s", bus_error_message(&error));
1050 if (!dbus_message_iter_init(reply, &iter) ||
1051 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
1052 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
1053 log_error("Failed to parse reply.");
1058 dbus_message_iter_recurse(&iter, &sub);
1061 printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
1063 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
1064 const char *name, *type, *state, *job_path, *unit_path;
1068 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
1069 log_error("Failed to parse reply.");
1074 dbus_message_iter_recurse(&sub, &sub2);
1076 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
1077 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
1078 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
1079 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
1080 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
1081 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
1082 log_error("Failed to parse reply.");
1087 e = arg_full ? NULL : ellipsize(name, 25, 33);
1088 printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
1093 dbus_message_iter_next(&sub);
1097 printf("\n%u jobs listed.\n", k);
1103 dbus_message_unref(m);
1106 dbus_message_unref(reply);
1108 dbus_error_free(&error);
1113 static int load_unit(DBusConnection *bus, char **args) {
1114 DBusMessage *m = NULL;
1119 dbus_error_init(&error);
1124 STRV_FOREACH(name, args+1) {
1127 if (!(m = dbus_message_new_method_call(
1128 "org.freedesktop.systemd1",
1129 "/org/freedesktop/systemd1",
1130 "org.freedesktop.systemd1.Manager",
1132 log_error("Could not allocate message.");
1137 if (!dbus_message_append_args(m,
1138 DBUS_TYPE_STRING, name,
1139 DBUS_TYPE_INVALID)) {
1140 log_error("Could not append arguments to message.");
1145 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1146 log_error("Failed to issue method call: %s", bus_error_message(&error));
1151 dbus_message_unref(m);
1152 dbus_message_unref(reply);
1161 dbus_message_unref(m);
1163 dbus_error_free(&error);
1168 static int cancel_job(DBusConnection *bus, char **args) {
1169 DBusMessage *m = NULL, *reply = NULL;
1174 dbus_error_init(&error);
1179 if (strv_length(args) <= 1)
1180 return daemon_reload(bus, args);
1182 STRV_FOREACH(name, args+1) {
1186 if (!(m = dbus_message_new_method_call(
1187 "org.freedesktop.systemd1",
1188 "/org/freedesktop/systemd1",
1189 "org.freedesktop.systemd1.Manager",
1191 log_error("Could not allocate message.");
1196 if ((r = safe_atou(*name, &id)) < 0) {
1197 log_error("Failed to parse job id: %s", strerror(-r));
1201 assert_cc(sizeof(uint32_t) == sizeof(id));
1202 if (!dbus_message_append_args(m,
1203 DBUS_TYPE_UINT32, &id,
1204 DBUS_TYPE_INVALID)) {
1205 log_error("Could not append arguments to message.");
1210 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1211 log_error("Failed to issue method call: %s", bus_error_message(&error));
1216 if (!dbus_message_get_args(reply, &error,
1217 DBUS_TYPE_OBJECT_PATH, &path,
1218 DBUS_TYPE_INVALID)) {
1219 log_error("Failed to parse reply: %s", bus_error_message(&error));
1224 dbus_message_unref(m);
1225 if (!(m = dbus_message_new_method_call(
1226 "org.freedesktop.systemd1",
1228 "org.freedesktop.systemd1.Job",
1230 log_error("Could not allocate message.");
1235 dbus_message_unref(reply);
1236 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1237 log_error("Failed to issue method call: %s", bus_error_message(&error));
1242 dbus_message_unref(m);
1243 dbus_message_unref(reply);
1251 dbus_message_unref(m);
1254 dbus_message_unref(reply);
1256 dbus_error_free(&error);
1261 static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
1262 DBusMessage *m = NULL, *reply = NULL;
1263 dbus_bool_t b = FALSE;
1264 DBusMessageIter iter, sub;
1266 *interface = "org.freedesktop.systemd1.Unit",
1267 *property = "NeedDaemonReload",
1270 /* We ignore all errors here, since this is used to show a warning only */
1272 if (!(m = dbus_message_new_method_call(
1273 "org.freedesktop.systemd1",
1274 "/org/freedesktop/systemd1",
1275 "org.freedesktop.systemd1.Manager",
1279 if (!dbus_message_append_args(m,
1280 DBUS_TYPE_STRING, &unit,
1284 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1287 if (!dbus_message_get_args(reply, NULL,
1288 DBUS_TYPE_OBJECT_PATH, &path,
1292 dbus_message_unref(m);
1293 if (!(m = dbus_message_new_method_call(
1294 "org.freedesktop.systemd1",
1296 "org.freedesktop.DBus.Properties",
1300 if (!dbus_message_append_args(m,
1301 DBUS_TYPE_STRING, &interface,
1302 DBUS_TYPE_STRING, &property,
1303 DBUS_TYPE_INVALID)) {
1307 dbus_message_unref(reply);
1308 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1311 if (!dbus_message_iter_init(reply, &iter) ||
1312 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1315 dbus_message_iter_recurse(&iter, &sub);
1317 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
1320 dbus_message_iter_get_basic(&sub, &b);
1324 dbus_message_unref(m);
1327 dbus_message_unref(reply);
1332 typedef struct WaitData {
1337 static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
1345 dbus_error_init(&error);
1347 log_debug("Got D-Bus request: %s.%s() on %s",
1348 dbus_message_get_interface(message),
1349 dbus_message_get_member(message),
1350 dbus_message_get_path(message));
1352 if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
1353 log_error("Warning! D-Bus connection terminated.");
1354 dbus_connection_close(connection);
1356 } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1358 const char *path, *result, *unit;
1359 dbus_bool_t success = true;
1361 if (dbus_message_get_args(message, &error,
1362 DBUS_TYPE_UINT32, &id,
1363 DBUS_TYPE_OBJECT_PATH, &path,
1364 DBUS_TYPE_STRING, &unit,
1365 DBUS_TYPE_STRING, &result,
1366 DBUS_TYPE_INVALID)) {
1369 p = set_remove(d->set, (char*) path);
1373 d->result = strdup(result);
1378 dbus_error_free(&error);
1379 if (dbus_message_get_args(message, &error,
1380 DBUS_TYPE_UINT32, &id,
1381 DBUS_TYPE_OBJECT_PATH, &path,
1382 DBUS_TYPE_STRING, &result,
1383 DBUS_TYPE_INVALID)) {
1386 /* Compatibility with older systemd versions <
1387 * 183 during upgrades. This should be dropped
1389 p = set_remove(d->set, (char*) path);
1393 d->result = strdup(result);
1398 dbus_error_free(&error);
1399 if (dbus_message_get_args(message, &error,
1400 DBUS_TYPE_UINT32, &id,
1401 DBUS_TYPE_OBJECT_PATH, &path,
1402 DBUS_TYPE_BOOLEAN, &success,
1403 DBUS_TYPE_INVALID)) {
1406 /* Compatibility with older systemd versions <
1407 * 19 during upgrades. This should be dropped
1410 p = set_remove(d->set, (char*) path);
1414 d->result = strdup("failed");
1420 log_error("Failed to parse message: %s", bus_error_message(&error));
1424 dbus_error_free(&error);
1425 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1428 static int enable_wait_for_jobs(DBusConnection *bus) {
1436 dbus_error_init(&error);
1437 dbus_bus_add_match(bus,
1439 "sender='org.freedesktop.systemd1',"
1440 "interface='org.freedesktop.systemd1.Manager',"
1441 "member='JobRemoved',"
1442 "path='/org/freedesktop/systemd1'",
1445 if (dbus_error_is_set(&error)) {
1446 log_error("Failed to add match: %s", bus_error_message(&error));
1447 dbus_error_free(&error);
1451 /* This is slightly dirty, since we don't undo the match registrations. */
1455 static int wait_for_jobs(DBusConnection *bus, Set *s) {
1465 if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
1466 log_error("Failed to add filter.");
1471 while (!set_isempty(s) &&
1472 dbus_connection_read_write_dispatch(bus, -1))
1475 if (!arg_quiet && d.result) {
1476 if (streq(d.result, "timeout"))
1477 log_error("Job timed out.");
1478 else if (streq(d.result, "canceled"))
1479 log_error("Job canceled.");
1480 else if (streq(d.result, "dependency"))
1481 log_error("A dependency job failed. See system journal for details.");
1482 else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
1483 log_error("Job failed. See system journal and 'systemctl status' for details.");
1486 if (streq_ptr(d.result, "timeout"))
1488 else if (streq_ptr(d.result, "canceled"))
1490 else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
1498 /* This is slightly dirty, since we don't undo the filter registration. */
1503 static int start_unit_one(
1504 DBusConnection *bus,
1511 DBusMessage *m = NULL, *reply = NULL;
1520 assert(arg_no_block || s);
1522 if (!(m = dbus_message_new_method_call(
1523 "org.freedesktop.systemd1",
1524 "/org/freedesktop/systemd1",
1525 "org.freedesktop.systemd1.Manager",
1527 log_error("Could not allocate message.");
1532 if (!dbus_message_append_args(m,
1533 DBUS_TYPE_STRING, &name,
1534 DBUS_TYPE_STRING, &mode,
1535 DBUS_TYPE_INVALID)) {
1536 log_error("Could not append arguments to message.");
1541 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
1543 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
1544 /* There's always a fallback possible for
1545 * legacy actions. */
1550 log_error("Failed to issue method call: %s", bus_error_message(error));
1555 if (!dbus_message_get_args(reply, error,
1556 DBUS_TYPE_OBJECT_PATH, &path,
1557 DBUS_TYPE_INVALID)) {
1558 log_error("Failed to parse reply: %s", bus_error_message(error));
1563 if (need_daemon_reload(bus, name))
1564 log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
1565 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
1567 if (!arg_no_block) {
1570 if (!(p = strdup(path))) {
1571 log_error("Failed to duplicate path.");
1576 if ((r = set_put(s, p)) < 0) {
1578 log_error("Failed to add path to set.");
1587 dbus_message_unref(m);
1590 dbus_message_unref(reply);
1595 static enum action verb_to_action(const char *verb) {
1596 if (streq(verb, "halt"))
1598 else if (streq(verb, "poweroff"))
1599 return ACTION_POWEROFF;
1600 else if (streq(verb, "reboot"))
1601 return ACTION_REBOOT;
1602 else if (streq(verb, "kexec"))
1603 return ACTION_KEXEC;
1604 else if (streq(verb, "rescue"))
1605 return ACTION_RESCUE;
1606 else if (streq(verb, "emergency"))
1607 return ACTION_EMERGENCY;
1608 else if (streq(verb, "default"))
1609 return ACTION_DEFAULT;
1610 else if (streq(verb, "exit"))
1612 else if (streq(verb, "suspend"))
1613 return ACTION_SUSPEND;
1614 else if (streq(verb, "hibernate"))
1615 return ACTION_HIBERNATE;
1617 return ACTION_INVALID;
1620 static int start_unit(DBusConnection *bus, char **args) {
1622 static const char * const table[_ACTION_MAX] = {
1623 [ACTION_HALT] = SPECIAL_HALT_TARGET,
1624 [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
1625 [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
1626 [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
1627 [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
1628 [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
1629 [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
1630 [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
1631 [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
1632 [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
1633 [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
1634 [ACTION_EXIT] = SPECIAL_EXIT_TARGET,
1635 [ACTION_SUSPEND] = SPECIAL_SUSPEND_TARGET,
1636 [ACTION_HIBERNATE] = SPECIAL_HIBERNATE_TARGET
1640 const char *method, *mode, *one_name;
1645 dbus_error_init(&error);
1649 ask_password_agent_open_if_enabled();
1651 if (arg_action == ACTION_SYSTEMCTL) {
1653 streq(args[0], "stop") ||
1654 streq(args[0], "condstop") ? "StopUnit" :
1655 streq(args[0], "reload") ? "ReloadUnit" :
1656 streq(args[0], "restart") ? "RestartUnit" :
1658 streq(args[0], "try-restart") ||
1659 streq(args[0], "condrestart") ? "TryRestartUnit" :
1661 streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
1663 streq(args[0], "reload-or-try-restart") ||
1664 streq(args[0], "condreload") ||
1666 streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" :
1670 (streq(args[0], "isolate") ||
1671 streq(args[0], "rescue") ||
1672 streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
1674 one_name = table[verb_to_action(args[0])];
1677 assert(arg_action < ELEMENTSOF(table));
1678 assert(table[arg_action]);
1680 method = "StartUnit";
1682 mode = (arg_action == ACTION_EMERGENCY ||
1683 arg_action == ACTION_RESCUE ||
1684 arg_action == ACTION_RUNLEVEL2 ||
1685 arg_action == ACTION_RUNLEVEL3 ||
1686 arg_action == ACTION_RUNLEVEL4 ||
1687 arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
1689 one_name = table[arg_action];
1692 if (!arg_no_block) {
1693 if ((ret = enable_wait_for_jobs(bus)) < 0) {
1694 log_error("Could not watch jobs: %s", strerror(-ret));
1698 if (!(s = set_new(string_hash_func, string_compare_func))) {
1699 log_error("Failed to allocate set.");
1706 if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
1709 STRV_FOREACH(name, args+1)
1710 if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) {
1711 ret = translate_bus_error_to_exit_status(r, &error);
1712 dbus_error_free(&error);
1717 if ((r = wait_for_jobs(bus, s)) < 0) {
1726 dbus_error_free(&error);
1731 /* Ask systemd-logind, which might grant access to unprivileged users
1732 * through PolicyKit */
1733 static int reboot_with_logind(DBusConnection *bus, enum action a) {
1736 DBusMessage *m = NULL, *reply = NULL;
1738 dbus_bool_t interactive = true;
1741 dbus_error_init(&error);
1743 polkit_agent_open_if_enabled();
1751 case ACTION_POWEROFF:
1752 method = "PowerOff";
1755 case ACTION_SUSPEND:
1759 case ACTION_HIBERNATE:
1760 method = "Hibernate";
1767 m = dbus_message_new_method_call(
1768 "org.freedesktop.login1",
1769 "/org/freedesktop/login1",
1770 "org.freedesktop.login1.Manager",
1773 log_error("Could not allocate message.");
1778 if (!dbus_message_append_args(m,
1779 DBUS_TYPE_BOOLEAN, &interactive,
1780 DBUS_TYPE_INVALID)) {
1781 log_error("Could not append arguments to message.");
1786 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
1788 if (error_is_no_service(&error)) {
1789 log_debug("Failed to issue method call: %s", bus_error_message(&error));
1794 if (dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
1795 log_debug("Failed to issue method call: %s", bus_error_message(&error));
1800 log_info("Failed to issue method call: %s", bus_error_message(&error));
1809 dbus_message_unref(m);
1812 dbus_message_unref(reply);
1814 dbus_error_free(&error);
1822 static int start_special(DBusConnection *bus, char **args) {
1828 a = verb_to_action(args[0]);
1830 if (arg_force >= 2 && geteuid() != 0) {
1831 log_error("Must be root.");
1835 if (arg_force >= 2 &&
1836 (a == ACTION_HALT ||
1837 a == ACTION_POWEROFF ||
1838 a == ACTION_REBOOT))
1841 if (arg_force >= 1 &&
1842 (a == ACTION_HALT ||
1843 a == ACTION_POWEROFF ||
1844 a == ACTION_REBOOT ||
1845 a == ACTION_KEXEC ||
1847 return daemon_reload(bus, args);
1849 /* first try logind, to allow authentication with polkit */
1850 if (geteuid() != 0 &&
1851 (a == ACTION_POWEROFF ||
1852 a == ACTION_REBOOT ||
1853 a == ACTION_SUSPEND ||
1854 a == ACTION_HIBERNATE)) {
1855 r = reboot_with_logind(bus, a);
1860 r = start_unit(bus, args);
1867 static int check_unit(DBusConnection *bus, char **args) {
1868 DBusMessage *m = NULL, *reply = NULL;
1870 *interface = "org.freedesktop.systemd1.Unit",
1871 *property = "ActiveState";
1872 int r = 3; /* According to LSB: "program is not running" */
1879 dbus_error_init(&error);
1881 STRV_FOREACH(name, args+1) {
1882 const char *path = NULL;
1884 DBusMessageIter iter, sub;
1886 if (!(m = dbus_message_new_method_call(
1887 "org.freedesktop.systemd1",
1888 "/org/freedesktop/systemd1",
1889 "org.freedesktop.systemd1.Manager",
1891 log_error("Could not allocate message.");
1896 if (!dbus_message_append_args(m,
1897 DBUS_TYPE_STRING, name,
1898 DBUS_TYPE_INVALID)) {
1899 log_error("Could not append arguments to message.");
1904 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1906 /* Hmm, cannot figure out anything about this unit... */
1910 dbus_error_free(&error);
1911 dbus_message_unref(m);
1916 if (!dbus_message_get_args(reply, &error,
1917 DBUS_TYPE_OBJECT_PATH, &path,
1918 DBUS_TYPE_INVALID)) {
1919 log_error("Failed to parse reply: %s", bus_error_message(&error));
1924 dbus_message_unref(m);
1925 if (!(m = dbus_message_new_method_call(
1926 "org.freedesktop.systemd1",
1928 "org.freedesktop.DBus.Properties",
1930 log_error("Could not allocate message.");
1935 if (!dbus_message_append_args(m,
1936 DBUS_TYPE_STRING, &interface,
1937 DBUS_TYPE_STRING, &property,
1938 DBUS_TYPE_INVALID)) {
1939 log_error("Could not append arguments to message.");
1944 dbus_message_unref(reply);
1945 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1946 log_error("Failed to issue method call: %s", bus_error_message(&error));
1951 if (!dbus_message_iter_init(reply, &iter) ||
1952 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
1953 log_error("Failed to parse reply.");
1958 dbus_message_iter_recurse(&iter, &sub);
1960 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
1961 log_error("Failed to parse reply.");
1966 dbus_message_iter_get_basic(&sub, &state);
1971 if (streq(state, "active") || streq(state, "reloading"))
1974 dbus_message_unref(m);
1975 dbus_message_unref(reply);
1981 dbus_message_unref(m);
1984 dbus_message_unref(reply);
1986 dbus_error_free(&error);
1991 static int kill_unit(DBusConnection *bus, char **args) {
1992 DBusMessage *m = NULL;
2000 dbus_error_init(&error);
2003 arg_kill_who = "all";
2006 arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
2008 STRV_FOREACH(name, args+1) {
2011 if (!(m = dbus_message_new_method_call(
2012 "org.freedesktop.systemd1",
2013 "/org/freedesktop/systemd1",
2014 "org.freedesktop.systemd1.Manager",
2016 log_error("Could not allocate message.");
2021 if (!dbus_message_append_args(m,
2022 DBUS_TYPE_STRING, name,
2023 DBUS_TYPE_STRING, &arg_kill_who,
2024 DBUS_TYPE_STRING, &arg_kill_mode,
2025 DBUS_TYPE_INT32, &arg_signal,
2026 DBUS_TYPE_INVALID)) {
2027 log_error("Could not append arguments to message.");
2032 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2033 log_error("Failed to issue method call: %s", bus_error_message(&error));
2034 dbus_error_free(&error);
2038 dbus_message_unref(m);
2041 dbus_message_unref(reply);
2047 dbus_message_unref(m);
2049 dbus_error_free(&error);
2054 typedef struct ExecStatusInfo {
2062 usec_t start_timestamp;
2063 usec_t exit_timestamp;
2068 LIST_FIELDS(struct ExecStatusInfo, exec);
2071 static void exec_status_info_free(ExecStatusInfo *i) {
2080 static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
2081 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
2082 DBusMessageIter sub2, sub3;
2086 int32_t code, status;
2092 if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
2095 dbus_message_iter_recurse(sub, &sub2);
2097 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
2100 if (!(i->path = strdup(path)))
2103 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
2104 dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
2108 dbus_message_iter_recurse(&sub2, &sub3);
2109 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
2110 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
2111 dbus_message_iter_next(&sub3);
2116 if (!(i->argv = new0(char*, n+1)))
2120 dbus_message_iter_recurse(&sub2, &sub3);
2121 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
2124 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
2125 dbus_message_iter_get_basic(&sub3, &s);
2126 dbus_message_iter_next(&sub3);
2128 if (!(i->argv[n++] = strdup(s)))
2132 if (!dbus_message_iter_next(&sub2) ||
2133 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
2134 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
2135 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 ||
2136 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
2137 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 ||
2138 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
2139 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
2140 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
2144 i->start_timestamp = (usec_t) start_timestamp;
2145 i->exit_timestamp = (usec_t) exit_timestamp;
2146 i->pid = (pid_t) pid;
2153 typedef struct UnitStatusInfo {
2155 const char *load_state;
2156 const char *active_state;
2157 const char *sub_state;
2158 const char *unit_file_state;
2160 const char *description;
2161 const char *following;
2163 char **documentation;
2165 const char *fragment_path;
2166 const char *source_path;
2167 const char *default_control_group;
2169 const char *load_error;
2172 usec_t inactive_exit_timestamp;
2173 usec_t inactive_exit_timestamp_monotonic;
2174 usec_t active_enter_timestamp;
2175 usec_t active_exit_timestamp;
2176 usec_t inactive_enter_timestamp;
2178 bool need_daemon_reload;
2183 const char *status_text;
2186 usec_t start_timestamp;
2187 usec_t exit_timestamp;
2189 int exit_code, exit_status;
2191 usec_t condition_timestamp;
2192 bool condition_result;
2195 unsigned n_accepted;
2196 unsigned n_connections;
2200 const char *sysfs_path;
2202 /* Mount, Automount */
2208 LIST_HEAD(ExecStatusInfo, exec);
2211 static void print_status_info(UnitStatusInfo *i) {
2213 const char *on, *off, *ss;
2215 char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
2216 char since2[FORMAT_TIMESTAMP_MAX], *s2;
2221 /* This shows pretty information about a unit. See
2222 * print_property() for a low-level property printer */
2224 printf("%s", strna(i->id));
2226 if (i->description && !streq_ptr(i->id, i->description))
2227 printf(" - %s", i->description);
2232 printf("\t Follow: unit currently follows state of %s\n", i->following);
2234 if (streq_ptr(i->load_state, "error")) {
2235 on = ansi_highlight_red(true);
2236 off = ansi_highlight_red(false);
2240 path = i->source_path ? i->source_path : i->fragment_path;
2243 printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error);
2244 else if (path && i->unit_file_state)
2245 printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, path, i->unit_file_state);
2247 printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, path);
2249 printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
2251 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2253 if (streq_ptr(i->active_state, "failed")) {
2254 on = ansi_highlight_red(true);
2255 off = ansi_highlight_red(false);
2256 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2257 on = ansi_highlight_green(true);
2258 off = ansi_highlight_green(false);
2263 printf("\t Active: %s%s (%s)%s",
2265 strna(i->active_state),
2269 printf("\t Active: %s%s%s",
2271 strna(i->active_state),
2274 if (!isempty(i->result) && !streq(i->result, "success"))
2275 printf(" (Result: %s)", i->result);
2277 timestamp = (streq_ptr(i->active_state, "active") ||
2278 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2279 (streq_ptr(i->active_state, "inactive") ||
2280 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
2281 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2282 i->active_exit_timestamp;
2284 s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
2285 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2288 printf(" since %s; %s\n", s2, s1);
2290 printf(" since %s\n", s2);
2294 if (!i->condition_result && i->condition_timestamp > 0) {
2295 s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
2296 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2299 printf("\t start condition failed at %s; %s\n", s2, s1);
2301 printf("\t start condition failed at %s\n", s2);
2305 printf("\t Device: %s\n", i->sysfs_path);
2307 printf("\t Where: %s\n", i->where);
2309 printf("\t What: %s\n", i->what);
2311 if (!strv_isempty(i->documentation)) {
2315 STRV_FOREACH(t, i->documentation) {
2317 printf("\t Docs: %s\n", *t);
2320 printf("\t %s\n", *t);
2325 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2327 LIST_FOREACH(exec, p, i->exec) {
2331 /* Only show exited processes here */
2335 t = strv_join(p->argv, " ");
2336 printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
2339 good = is_clean_exit_lsb(p->code, p->status);
2341 on = ansi_highlight_red(true);
2342 off = ansi_highlight_red(false);
2346 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2348 if (p->code == CLD_EXITED) {
2351 printf("status=%i", p->status);
2353 c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
2358 printf("signal=%s", signal_to_string(p->status));
2360 printf(")%s\n", off);
2362 if (i->main_pid == p->pid &&
2363 i->start_timestamp == p->start_timestamp &&
2364 i->exit_timestamp == p->start_timestamp)
2365 /* Let's not show this twice */
2368 if (p->pid == i->control_pid)
2372 if (i->main_pid > 0 || i->control_pid > 0) {
2375 if (i->main_pid > 0) {
2376 printf("Main PID: %u", (unsigned) i->main_pid);
2380 get_process_comm(i->main_pid, &t);
2385 } else if (i->exit_code > 0) {
2386 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2388 if (i->exit_code == CLD_EXITED) {
2391 printf("status=%i", i->exit_status);
2393 c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
2398 printf("signal=%s", signal_to_string(i->exit_status));
2403 if (i->main_pid > 0 && i->control_pid > 0)
2406 if (i->control_pid > 0) {
2409 printf(" Control: %u", (unsigned) i->control_pid);
2411 get_process_comm(i->control_pid, &t);
2422 printf("\t Status: \"%s\"\n", i->status_text);
2424 if (i->default_control_group) {
2427 printf("\t CGroup: %s\n", i->default_control_group);
2429 if (arg_transport != TRANSPORT_SSH) {
2439 if (i->main_pid > 0)
2440 extra[k++] = i->main_pid;
2442 if (i->control_pid > 0)
2443 extra[k++] = i->control_pid;
2445 show_cgroup_and_extra_by_spec(i->default_control_group, "\t\t ", c, false, arg_all, extra, k);
2449 if (i->id && arg_transport != TRANSPORT_SSH) {
2451 show_journal_by_unit(i->id, arg_output, 0, i->inactive_exit_timestamp_monotonic, arg_lines, arg_all, arg_follow);
2454 if (i->need_daemon_reload)
2455 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2456 ansi_highlight_red(true),
2457 ansi_highlight_red(false),
2458 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
2461 static void man_status_info(UnitStatusInfo *i) {
2466 if (!i->documentation) {
2467 log_info("Documentation for %s not known.", i->id);
2471 STRV_FOREACH(p, i->documentation) {
2473 if (startswith(*p, "man:")) {
2476 char *page = NULL, *section = NULL;
2477 const char *args[4] = { "man", NULL, NULL, NULL };
2482 if ((*p)[k-1] == ')')
2483 e = strrchr(*p, '(');
2486 page = strndup((*p) + 4, e - *p - 4);
2488 log_error("Out of memory.");
2492 section = strndup(e + 1, *p + k - e - 2);
2495 log_error("Out of memory");
2506 log_error("Failed to fork: %m");
2514 execvp(args[0], (char**) args);
2515 log_error("Failed to execute man: %m");
2516 _exit(EXIT_FAILURE);
2522 wait_for_terminate(pid, NULL);
2524 log_info("Can't show %s.", *p);
2528 static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
2534 switch (dbus_message_iter_get_arg_type(iter)) {
2536 case DBUS_TYPE_STRING: {
2539 dbus_message_iter_get_basic(iter, &s);
2542 if (streq(name, "Id"))
2544 else if (streq(name, "LoadState"))
2546 else if (streq(name, "ActiveState"))
2547 i->active_state = s;
2548 else if (streq(name, "SubState"))
2550 else if (streq(name, "Description"))
2552 else if (streq(name, "FragmentPath"))
2553 i->fragment_path = s;
2554 else if (streq(name, "SourcePath"))
2556 else if (streq(name, "DefaultControlGroup"))
2557 i->default_control_group = s;
2558 else if (streq(name, "StatusText"))
2560 else if (streq(name, "SysFSPath"))
2562 else if (streq(name, "Where"))
2564 else if (streq(name, "What"))
2566 else if (streq(name, "Following"))
2568 else if (streq(name, "UnitFileState"))
2569 i->unit_file_state = s;
2570 else if (streq(name, "Result"))
2577 case DBUS_TYPE_BOOLEAN: {
2580 dbus_message_iter_get_basic(iter, &b);
2582 if (streq(name, "Accept"))
2584 else if (streq(name, "NeedDaemonReload"))
2585 i->need_daemon_reload = b;
2586 else if (streq(name, "ConditionResult"))
2587 i->condition_result = b;
2592 case DBUS_TYPE_UINT32: {
2595 dbus_message_iter_get_basic(iter, &u);
2597 if (streq(name, "MainPID")) {
2599 i->main_pid = (pid_t) u;
2602 } else if (streq(name, "ControlPID"))
2603 i->control_pid = (pid_t) u;
2604 else if (streq(name, "ExecMainPID")) {
2606 i->main_pid = (pid_t) u;
2607 } else if (streq(name, "NAccepted"))
2609 else if (streq(name, "NConnections"))
2610 i->n_connections = u;
2615 case DBUS_TYPE_INT32: {
2618 dbus_message_iter_get_basic(iter, &j);
2620 if (streq(name, "ExecMainCode"))
2621 i->exit_code = (int) j;
2622 else if (streq(name, "ExecMainStatus"))
2623 i->exit_status = (int) j;
2628 case DBUS_TYPE_UINT64: {
2631 dbus_message_iter_get_basic(iter, &u);
2633 if (streq(name, "ExecMainStartTimestamp"))
2634 i->start_timestamp = (usec_t) u;
2635 else if (streq(name, "ExecMainExitTimestamp"))
2636 i->exit_timestamp = (usec_t) u;
2637 else if (streq(name, "ActiveEnterTimestamp"))
2638 i->active_enter_timestamp = (usec_t) u;
2639 else if (streq(name, "InactiveEnterTimestamp"))
2640 i->inactive_enter_timestamp = (usec_t) u;
2641 else if (streq(name, "InactiveExitTimestamp"))
2642 i->inactive_exit_timestamp = (usec_t) u;
2643 else if (streq(name, "InactiveExitTimestampMonotonic"))
2644 i->inactive_exit_timestamp_monotonic = (usec_t) u;
2645 else if (streq(name, "ActiveExitTimestamp"))
2646 i->active_exit_timestamp = (usec_t) u;
2647 else if (streq(name, "ConditionTimestamp"))
2648 i->condition_timestamp = (usec_t) u;
2653 case DBUS_TYPE_ARRAY: {
2655 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
2656 startswith(name, "Exec")) {
2657 DBusMessageIter sub;
2659 dbus_message_iter_recurse(iter, &sub);
2660 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2661 ExecStatusInfo *info;
2664 if (!(info = new0(ExecStatusInfo, 1)))
2667 if (!(info->name = strdup(name))) {
2672 if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
2677 LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
2679 dbus_message_iter_next(&sub);
2681 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING &&
2682 streq(name, "Documentation")) {
2684 DBusMessageIter sub;
2686 dbus_message_iter_recurse(iter, &sub);
2687 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING) {
2691 dbus_message_iter_get_basic(&sub, &s);
2693 l = strv_append(i->documentation, s);
2697 strv_free(i->documentation);
2698 i->documentation = l;
2700 dbus_message_iter_next(&sub);
2707 case DBUS_TYPE_STRUCT: {
2709 if (streq(name, "LoadError")) {
2710 DBusMessageIter sub;
2711 const char *n, *message;
2714 dbus_message_iter_recurse(iter, &sub);
2716 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true);
2720 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false);
2724 if (!isempty(message))
2725 i->load_error = message;
2735 static int print_property(const char *name, DBusMessageIter *iter) {
2739 /* This is a low-level property printer, see
2740 * print_status_info() for the nicer output */
2742 if (arg_property && !strv_find(arg_property, name))
2745 switch (dbus_message_iter_get_arg_type(iter)) {
2747 case DBUS_TYPE_STRUCT: {
2748 DBusMessageIter sub;
2749 dbus_message_iter_recurse(iter, &sub);
2751 if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
2754 dbus_message_iter_get_basic(&sub, &u);
2757 printf("%s=%u\n", name, (unsigned) u);
2759 printf("%s=\n", name);
2762 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
2765 dbus_message_iter_get_basic(&sub, &s);
2767 if (arg_all || s[0])
2768 printf("%s=%s\n", name, s);
2771 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) {
2772 const char *a = NULL, *b = NULL;
2774 if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0)
2775 bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false);
2777 if (arg_all || !isempty(a) || !isempty(b))
2778 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
2786 case DBUS_TYPE_ARRAY:
2788 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
2789 DBusMessageIter sub, sub2;
2791 dbus_message_iter_recurse(iter, &sub);
2792 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2796 dbus_message_iter_recurse(&sub, &sub2);
2798 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
2799 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
2800 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
2802 dbus_message_iter_next(&sub);
2807 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
2808 DBusMessageIter sub, sub2;
2810 dbus_message_iter_recurse(iter, &sub);
2811 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2812 const char *type, *path;
2814 dbus_message_iter_recurse(&sub, &sub2);
2816 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
2817 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
2818 printf("%s=%s\n", type, path);
2820 dbus_message_iter_next(&sub);
2825 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
2826 DBusMessageIter sub, sub2;
2828 dbus_message_iter_recurse(iter, &sub);
2829 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2831 uint64_t value, next_elapse;
2833 dbus_message_iter_recurse(&sub, &sub2);
2835 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
2836 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
2837 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
2838 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
2840 printf("%s={ value=%s ; next_elapse=%s }\n",
2842 format_timespan(timespan1, sizeof(timespan1), value),
2843 format_timespan(timespan2, sizeof(timespan2), next_elapse));
2846 dbus_message_iter_next(&sub);
2851 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "ControlGroupAttributes")) {
2852 DBusMessageIter sub, sub2;
2854 dbus_message_iter_recurse(iter, &sub);
2855 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2856 const char *controller, *attr, *value;
2858 dbus_message_iter_recurse(&sub, &sub2);
2860 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &controller, true) >= 0 &&
2861 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &attr, true) >= 0 &&
2862 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &value, false) >= 0) {
2864 printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n",
2870 dbus_message_iter_next(&sub);
2875 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
2876 DBusMessageIter sub;
2878 dbus_message_iter_recurse(iter, &sub);
2879 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2880 ExecStatusInfo info;
2883 if (exec_status_info_deserialize(&sub, &info) >= 0) {
2884 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
2887 t = strv_join(info.argv, " ");
2889 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
2893 yes_no(info.ignore),
2894 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
2895 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
2896 (unsigned) info. pid,
2897 sigchld_code_to_string(info.code),
2899 info.code == CLD_EXITED ? "" : "/",
2900 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
2906 strv_free(info.argv);
2908 dbus_message_iter_next(&sub);
2917 if (generic_print_property(name, iter, arg_all) > 0)
2921 printf("%s=[unprintable]\n", name);
2926 static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
2927 DBusMessage *m = NULL, *reply = NULL;
2928 const char *interface = "";
2931 DBusMessageIter iter, sub, sub2, sub3;
2932 UnitStatusInfo info;
2940 dbus_error_init(&error);
2942 if (!(m = dbus_message_new_method_call(
2943 "org.freedesktop.systemd1",
2945 "org.freedesktop.DBus.Properties",
2947 log_error("Could not allocate message.");
2952 if (!dbus_message_append_args(m,
2953 DBUS_TYPE_STRING, &interface,
2954 DBUS_TYPE_INVALID)) {
2955 log_error("Could not append arguments to message.");
2960 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2961 log_error("Failed to issue method call: %s", bus_error_message(&error));
2966 if (!dbus_message_iter_init(reply, &iter) ||
2967 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
2968 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
2969 log_error("Failed to parse reply.");
2974 dbus_message_iter_recurse(&iter, &sub);
2981 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
2984 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
2985 log_error("Failed to parse reply.");
2990 dbus_message_iter_recurse(&sub, &sub2);
2992 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
2993 log_error("Failed to parse reply.");
2998 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
2999 log_error("Failed to parse reply.");
3004 dbus_message_iter_recurse(&sub2, &sub3);
3006 if (show_properties)
3007 r = print_property(name, &sub3);
3009 r = status_property(name, &sub3, &info);
3012 log_error("Failed to parse reply.");
3017 dbus_message_iter_next(&sub);
3022 if (!show_properties) {
3023 if (streq(verb, "man"))
3024 man_status_info(&info);
3026 print_status_info(&info);
3029 strv_free(info.documentation);
3031 if (!streq_ptr(info.active_state, "active") &&
3032 !streq_ptr(info.active_state, "reloading") &&
3033 streq(verb, "status"))
3034 /* According to LSB: "program not running" */
3037 while ((p = info.exec)) {
3038 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
3039 exec_status_info_free(p);
3044 dbus_message_unref(m);
3047 dbus_message_unref(reply);
3049 dbus_error_free(&error);
3054 static int show_one_by_pid(const char *verb, DBusConnection *bus, uint32_t pid, bool *new_line) {
3055 DBusMessage *m = NULL, *reply = NULL;
3056 const char *path = NULL;
3060 dbus_error_init(&error);
3062 m = dbus_message_new_method_call(
3063 "org.freedesktop.systemd1",
3064 "/org/freedesktop/systemd1",
3065 "org.freedesktop.systemd1.Manager",
3068 log_error("Could not allocate message.");
3073 if (!dbus_message_append_args(m,
3074 DBUS_TYPE_UINT32, &pid,
3075 DBUS_TYPE_INVALID)) {
3076 log_error("Could not append arguments to message.");
3081 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3083 log_error("Failed to issue method call: %s", bus_error_message(&error));
3088 if (!dbus_message_get_args(reply, &error,
3089 DBUS_TYPE_OBJECT_PATH, &path,
3090 DBUS_TYPE_INVALID)) {
3091 log_error("Failed to parse reply: %s", bus_error_message(&error));
3096 r = show_one(verb, bus, path, false, new_line);
3100 dbus_message_unref(m);
3103 dbus_message_unref(reply);
3105 dbus_error_free(&error);
3110 static int show(DBusConnection *bus, char **args) {
3112 bool show_properties, new_line = false;
3118 show_properties = streq(args[0], "show");
3120 if (show_properties)
3121 pager_open_if_enabled();
3123 if (show_properties && strv_length(args) <= 1) {
3124 /* If not argument is specified inspect the manager
3127 return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
3130 STRV_FOREACH(name, args+1) {
3133 if (safe_atou32(*name, &id) < 0) {
3135 /* Interpret as unit name */
3138 e = bus_path_escape(*name);
3141 p = strappend("/org/freedesktop/systemd1/unit/", e);
3146 r = show_one(args[0], bus, p, show_properties, &new_line);
3152 } else if (show_properties) {
3154 /* Interpret as job id */
3157 if (asprintf(&p, "/org/freedesktop/systemd1/job/%u", id) < 0)
3160 r = show_one(args[0], bus, p, show_properties, &new_line);
3168 /* Interpret as PID */
3170 r = show_one_by_pid(args[0], bus, id, &new_line);
3179 static int dump(DBusConnection *bus, char **args) {
3180 DBusMessage *m = NULL, *reply = NULL;
3185 dbus_error_init(&error);
3187 pager_open_if_enabled();
3189 if (!(m = dbus_message_new_method_call(
3190 "org.freedesktop.systemd1",
3191 "/org/freedesktop/systemd1",
3192 "org.freedesktop.systemd1.Manager",
3194 log_error("Could not allocate message.");
3198 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3199 log_error("Failed to issue method call: %s", bus_error_message(&error));
3204 if (!dbus_message_get_args(reply, &error,
3205 DBUS_TYPE_STRING, &text,
3206 DBUS_TYPE_INVALID)) {
3207 log_error("Failed to parse reply: %s", bus_error_message(&error));
3212 fputs(text, stdout);
3218 dbus_message_unref(m);
3221 dbus_message_unref(reply);
3223 dbus_error_free(&error);
3228 static int snapshot(DBusConnection *bus, char **args) {
3229 DBusMessage *m = NULL, *reply = NULL;
3232 const char *name = "", *path, *id;
3233 dbus_bool_t cleanup = FALSE;
3234 DBusMessageIter iter, sub;
3236 *interface = "org.freedesktop.systemd1.Unit",
3239 dbus_error_init(&error);
3241 if (!(m = dbus_message_new_method_call(
3242 "org.freedesktop.systemd1",
3243 "/org/freedesktop/systemd1",
3244 "org.freedesktop.systemd1.Manager",
3245 "CreateSnapshot"))) {
3246 log_error("Could not allocate message.");
3250 if (strv_length(args) > 1)
3253 if (!dbus_message_append_args(m,
3254 DBUS_TYPE_STRING, &name,
3255 DBUS_TYPE_BOOLEAN, &cleanup,
3256 DBUS_TYPE_INVALID)) {
3257 log_error("Could not append arguments to message.");
3262 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3263 log_error("Failed to issue method call: %s", bus_error_message(&error));
3268 if (!dbus_message_get_args(reply, &error,
3269 DBUS_TYPE_OBJECT_PATH, &path,
3270 DBUS_TYPE_INVALID)) {
3271 log_error("Failed to parse reply: %s", bus_error_message(&error));
3276 dbus_message_unref(m);
3277 if (!(m = dbus_message_new_method_call(
3278 "org.freedesktop.systemd1",
3280 "org.freedesktop.DBus.Properties",
3282 log_error("Could not allocate message.");
3286 if (!dbus_message_append_args(m,
3287 DBUS_TYPE_STRING, &interface,
3288 DBUS_TYPE_STRING, &property,
3289 DBUS_TYPE_INVALID)) {
3290 log_error("Could not append arguments to message.");
3295 dbus_message_unref(reply);
3296 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3297 log_error("Failed to issue method call: %s", bus_error_message(&error));
3302 if (!dbus_message_iter_init(reply, &iter) ||
3303 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3304 log_error("Failed to parse reply.");
3309 dbus_message_iter_recurse(&iter, &sub);
3311 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
3312 log_error("Failed to parse reply.");
3317 dbus_message_iter_get_basic(&sub, &id);
3325 dbus_message_unref(m);
3328 dbus_message_unref(reply);
3330 dbus_error_free(&error);
3335 static int delete_snapshot(DBusConnection *bus, char **args) {
3336 DBusMessage *m = NULL, *reply = NULL;
3344 dbus_error_init(&error);
3346 STRV_FOREACH(name, args+1) {
3347 const char *path = NULL;
3349 if (!(m = dbus_message_new_method_call(
3350 "org.freedesktop.systemd1",
3351 "/org/freedesktop/systemd1",
3352 "org.freedesktop.systemd1.Manager",
3354 log_error("Could not allocate message.");
3359 if (!dbus_message_append_args(m,
3360 DBUS_TYPE_STRING, name,
3361 DBUS_TYPE_INVALID)) {
3362 log_error("Could not append arguments to message.");
3367 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3368 log_error("Failed to issue method call: %s", bus_error_message(&error));
3373 if (!dbus_message_get_args(reply, &error,
3374 DBUS_TYPE_OBJECT_PATH, &path,
3375 DBUS_TYPE_INVALID)) {
3376 log_error("Failed to parse reply: %s", bus_error_message(&error));
3381 dbus_message_unref(m);
3382 if (!(m = dbus_message_new_method_call(
3383 "org.freedesktop.systemd1",
3385 "org.freedesktop.systemd1.Snapshot",
3387 log_error("Could not allocate message.");
3392 dbus_message_unref(reply);
3393 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3394 log_error("Failed to issue method call: %s", bus_error_message(&error));
3399 dbus_message_unref(m);
3400 dbus_message_unref(reply);
3408 dbus_message_unref(m);
3411 dbus_message_unref(reply);
3413 dbus_error_free(&error);
3418 static int daemon_reload(DBusConnection *bus, char **args) {
3419 DBusMessage *m = NULL, *reply = NULL;
3424 dbus_error_init(&error);
3426 if (arg_action == ACTION_RELOAD)
3428 else if (arg_action == ACTION_REEXEC)
3429 method = "Reexecute";
3431 assert(arg_action == ACTION_SYSTEMCTL);
3434 streq(args[0], "clear-jobs") ||
3435 streq(args[0], "cancel") ? "ClearJobs" :
3436 streq(args[0], "daemon-reexec") ? "Reexecute" :
3437 streq(args[0], "reset-failed") ? "ResetFailed" :
3438 streq(args[0], "halt") ? "Halt" :
3439 streq(args[0], "poweroff") ? "PowerOff" :
3440 streq(args[0], "reboot") ? "Reboot" :
3441 streq(args[0], "kexec") ? "KExec" :
3442 streq(args[0], "exit") ? "Exit" :
3443 /* "daemon-reload" */ "Reload";
3446 if (!(m = dbus_message_new_method_call(
3447 "org.freedesktop.systemd1",
3448 "/org/freedesktop/systemd1",
3449 "org.freedesktop.systemd1.Manager",
3451 log_error("Could not allocate message.");
3455 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3457 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
3458 /* There's always a fallback possible for
3459 * legacy actions. */
3464 if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
3465 /* On reexecution, we expect a disconnect, not
3471 log_error("Failed to issue method call: %s", bus_error_message(&error));
3480 dbus_message_unref(m);
3483 dbus_message_unref(reply);
3485 dbus_error_free(&error);
3490 static int reset_failed(DBusConnection *bus, char **args) {
3491 DBusMessage *m = NULL;
3497 dbus_error_init(&error);
3499 if (strv_length(args) <= 1)
3500 return daemon_reload(bus, args);
3502 STRV_FOREACH(name, args+1) {
3505 if (!(m = dbus_message_new_method_call(
3506 "org.freedesktop.systemd1",
3507 "/org/freedesktop/systemd1",
3508 "org.freedesktop.systemd1.Manager",
3509 "ResetFailedUnit"))) {
3510 log_error("Could not allocate message.");
3515 if (!dbus_message_append_args(m,
3516 DBUS_TYPE_STRING, name,
3517 DBUS_TYPE_INVALID)) {
3518 log_error("Could not append arguments to message.");
3523 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3524 log_error("Failed to issue method call: %s", bus_error_message(&error));
3529 dbus_message_unref(m);
3530 dbus_message_unref(reply);
3538 dbus_message_unref(m);
3540 dbus_error_free(&error);
3545 static int show_enviroment(DBusConnection *bus, char **args) {
3546 DBusMessage *m = NULL, *reply = NULL;
3548 DBusMessageIter iter, sub, sub2;
3551 *interface = "org.freedesktop.systemd1.Manager",
3552 *property = "Environment";
3554 dbus_error_init(&error);
3556 pager_open_if_enabled();
3558 if (!(m = dbus_message_new_method_call(
3559 "org.freedesktop.systemd1",
3560 "/org/freedesktop/systemd1",
3561 "org.freedesktop.DBus.Properties",
3563 log_error("Could not allocate message.");
3567 if (!dbus_message_append_args(m,
3568 DBUS_TYPE_STRING, &interface,
3569 DBUS_TYPE_STRING, &property,
3570 DBUS_TYPE_INVALID)) {
3571 log_error("Could not append arguments to message.");
3576 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3577 log_error("Failed to issue method call: %s", bus_error_message(&error));
3582 if (!dbus_message_iter_init(reply, &iter) ||
3583 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3584 log_error("Failed to parse reply.");
3589 dbus_message_iter_recurse(&iter, &sub);
3591 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
3592 dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
3593 log_error("Failed to parse reply.");
3598 dbus_message_iter_recurse(&sub, &sub2);
3600 while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
3603 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
3604 log_error("Failed to parse reply.");
3609 dbus_message_iter_get_basic(&sub2, &text);
3610 printf("%s\n", text);
3612 dbus_message_iter_next(&sub2);
3619 dbus_message_unref(m);
3622 dbus_message_unref(reply);
3624 dbus_error_free(&error);
3629 static int switch_root(DBusConnection *bus, char **args) {
3630 DBusMessage *m = NULL, *reply = NULL;
3632 const char *root, *init;
3636 dbus_error_init(&error);
3638 l = strv_length(args);
3639 if (l < 2 || l > 3) {
3640 log_error("Wrong number of arguments.");
3645 init = l >= 3 ? args[2] : "";
3647 m = dbus_message_new_method_call(
3648 "org.freedesktop.systemd1",
3649 "/org/freedesktop/systemd1",
3650 "org.freedesktop.systemd1.Manager",
3653 log_error("Could not allocate message.");
3657 if (!dbus_message_append_args(
3659 DBUS_TYPE_STRING, &root,
3660 DBUS_TYPE_STRING, &init,
3661 DBUS_TYPE_INVALID)) {
3662 log_error("Could not append arguments to message.");
3667 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3669 log_error("Failed to issue method call: %s", bus_error_message(&error));
3678 dbus_message_unref(m);
3681 dbus_message_unref(reply);
3683 dbus_error_free(&error);
3688 static int set_environment(DBusConnection *bus, char **args) {
3689 DBusMessage *m = NULL, *reply = NULL;
3693 DBusMessageIter iter, sub;
3696 dbus_error_init(&error);
3698 method = streq(args[0], "set-environment")
3700 : "UnsetEnvironment";
3702 if (!(m = dbus_message_new_method_call(
3703 "org.freedesktop.systemd1",
3704 "/org/freedesktop/systemd1",
3705 "org.freedesktop.systemd1.Manager",
3708 log_error("Could not allocate message.");
3712 dbus_message_iter_init_append(m, &iter);
3714 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
3715 log_error("Could not append arguments to message.");
3720 STRV_FOREACH(name, args+1)
3721 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
3722 log_error("Could not append arguments to message.");
3727 if (!dbus_message_iter_close_container(&iter, &sub)) {
3728 log_error("Could not append arguments to message.");
3733 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3734 log_error("Failed to issue method call: %s", bus_error_message(&error));
3743 dbus_message_unref(m);
3746 dbus_message_unref(reply);
3748 dbus_error_free(&error);
3753 static int enable_sysv_units(char **args) {
3756 #if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX) || defined(TARGET_MAGEIA))
3757 const char *verb = args[0];
3758 unsigned f = 1, t = 1;
3761 if (arg_scope != UNIT_FILE_SYSTEM)
3764 if (!streq(verb, "enable") &&
3765 !streq(verb, "disable") &&
3766 !streq(verb, "is-enabled"))
3769 /* Processes all SysV units, and reshuffles the array so that
3770 * afterwards only the native units remain */
3773 r = lookup_paths_init(&paths, MANAGER_SYSTEM, false, NULL, NULL, NULL);
3778 for (f = 1; args[f]; f++) {
3781 bool found_native = false, found_sysv;
3783 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
3784 char **k, *l, *q = NULL;
3791 if (!endswith(name, ".service"))
3794 if (path_is_absolute(name))
3797 STRV_FOREACH(k, paths.unit_path) {
3800 if (!isempty(arg_root))
3801 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
3803 asprintf(&p, "%s/%s", *k, name);
3806 log_error("No memory");
3811 found_native = access(p, F_OK) >= 0;
3822 if (!isempty(arg_root))
3823 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
3825 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
3827 log_error("No memory");
3832 p[strlen(p) - sizeof(".service") + 1] = 0;
3833 found_sysv = access(p, F_OK) >= 0;
3840 /* Mark this entry, so that we don't try enabling it as native unit */
3841 args[f] = (char*) "";
3843 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
3845 if (!isempty(arg_root))
3846 argv[c++] = q = strappend("--root=", arg_root);
3848 argv[c++] = path_get_file_name(p);
3850 streq(verb, "enable") ? "on" :
3851 streq(verb, "disable") ? "off" : "--level=5";
3854 l = strv_join((char**)argv, " ");
3856 log_error("No memory.");
3863 log_info("Executing %s", l);
3868 log_error("Failed to fork: %m");
3873 } else if (pid == 0) {
3876 execv(argv[0], (char**) argv);
3877 _exit(EXIT_FAILURE);
3883 j = wait_for_terminate(pid, &status);
3885 log_error("Failed to wait for child: %s", strerror(-r));
3890 if (status.si_code == CLD_EXITED) {
3891 if (streq(verb, "is-enabled")) {
3892 if (status.si_status == 0) {
3901 } else if (status.si_status != 0) {
3912 lookup_paths_free(&paths);
3914 /* Drop all SysV units */
3915 for (f = 1, t = 1; args[f]; f++) {
3917 if (isempty(args[f]))
3920 args[t++] = args[f];
3929 static int enable_unit(DBusConnection *bus, char **args) {
3930 const char *verb = args[0];
3931 UnitFileChange *changes = NULL;
3932 unsigned n_changes = 0, i;
3933 int carries_install_info = -1;
3934 DBusMessage *m = NULL, *reply = NULL;
3938 r = enable_sysv_units(args);
3945 dbus_error_init(&error);
3947 if (!bus || avoid_bus()) {
3948 if (streq(verb, "enable")) {
3949 r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3950 carries_install_info = r;
3951 } else if (streq(verb, "disable"))
3952 r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3953 else if (streq(verb, "reenable")) {
3954 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3955 carries_install_info = r;
3956 } else if (streq(verb, "link"))
3957 r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3958 else if (streq(verb, "preset")) {
3959 r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3960 carries_install_info = r;
3961 } else if (streq(verb, "mask"))
3962 r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3963 else if (streq(verb, "unmask"))
3964 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3966 assert_not_reached("Unknown verb");
3969 log_error("Operation failed: %s", strerror(-r));
3974 for (i = 0; i < n_changes; i++) {
3975 if (changes[i].type == UNIT_FILE_SYMLINK)
3976 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
3978 log_info("rm '%s'", changes[i].path);
3984 bool send_force = true, expect_carries_install_info = false;
3986 DBusMessageIter iter, sub, sub2;
3988 if (streq(verb, "enable")) {
3989 method = "EnableUnitFiles";
3990 expect_carries_install_info = true;
3991 } else if (streq(verb, "disable")) {
3992 method = "DisableUnitFiles";
3994 } else if (streq(verb, "reenable")) {
3995 method = "ReenableUnitFiles";
3996 expect_carries_install_info = true;
3997 } else if (streq(verb, "link"))
3998 method = "LinkUnitFiles";
3999 else if (streq(verb, "preset")) {
4000 method = "PresetUnitFiles";
4001 expect_carries_install_info = true;
4002 } else if (streq(verb, "mask"))
4003 method = "MaskUnitFiles";
4004 else if (streq(verb, "unmask")) {
4005 method = "UnmaskUnitFiles";
4008 assert_not_reached("Unknown verb");
4010 m = dbus_message_new_method_call(
4011 "org.freedesktop.systemd1",
4012 "/org/freedesktop/systemd1",
4013 "org.freedesktop.systemd1.Manager",
4016 log_error("Out of memory");
4021 dbus_message_iter_init_append(m, &iter);
4023 r = bus_append_strv_iter(&iter, args+1);
4025 log_error("Failed to append unit files.");
4030 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
4031 log_error("Failed to append runtime boolean.");
4039 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
4040 log_error("Failed to append force boolean.");
4046 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
4048 log_error("Failed to issue method call: %s", bus_error_message(&error));
4053 if (!dbus_message_iter_init(reply, &iter)) {
4054 log_error("Failed to initialize iterator.");
4058 if (expect_carries_install_info) {
4059 r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
4061 log_error("Failed to parse reply.");
4065 carries_install_info = b;
4068 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
4069 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
4070 log_error("Failed to parse reply.");
4075 dbus_message_iter_recurse(&iter, &sub);
4076 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
4077 const char *type, *path, *source;
4079 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
4080 log_error("Failed to parse reply.");
4085 dbus_message_iter_recurse(&sub, &sub2);
4087 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
4088 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
4089 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
4090 log_error("Failed to parse reply.");
4096 if (streq(type, "symlink"))
4097 log_info("ln -s '%s' '%s'", source, path);
4099 log_info("rm '%s'", path);
4102 dbus_message_iter_next(&sub);
4105 /* Try to reload if enabeld */
4107 r = daemon_reload(bus, args);
4110 if (carries_install_info == 0)
4111 log_warning("Warning: unit files do not carry install information. No operation executed.");
4115 dbus_message_unref(m);
4118 dbus_message_unref(reply);
4120 unit_file_changes_free(changes, n_changes);
4122 dbus_error_free(&error);
4126 static int unit_is_enabled(DBusConnection *bus, char **args) {
4129 DBusMessage *m = NULL, *reply = NULL;
4133 dbus_error_init(&error);
4135 r = enable_sysv_units(args);
4141 if (!bus || avoid_bus()) {
4143 STRV_FOREACH(name, args+1) {
4144 UnitFileState state;
4146 state = unit_file_get_state(arg_scope, arg_root, *name);
4152 if (state == UNIT_FILE_ENABLED ||
4153 state == UNIT_FILE_ENABLED_RUNTIME ||
4154 state == UNIT_FILE_STATIC)
4158 puts(unit_file_state_to_string(state));
4162 STRV_FOREACH(name, args+1) {
4165 m = dbus_message_new_method_call(
4166 "org.freedesktop.systemd1",
4167 "/org/freedesktop/systemd1",
4168 "org.freedesktop.systemd1.Manager",
4169 "GetUnitFileState");
4171 log_error("Out of memory");
4176 if (!dbus_message_append_args(m,
4177 DBUS_TYPE_STRING, name,
4178 DBUS_TYPE_INVALID)) {
4179 log_error("Could not append arguments to message.");
4184 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
4186 log_error("Failed to issue method call: %s", bus_error_message(&error));
4191 if (!dbus_message_get_args(reply, &error,
4192 DBUS_TYPE_STRING, &s,
4193 DBUS_TYPE_INVALID)) {
4194 log_error("Failed to parse reply: %s", bus_error_message(&error));
4199 dbus_message_unref(m);
4200 dbus_message_unref(reply);
4203 if (streq(s, "enabled") ||
4204 streq(s, "enabled-runtime") ||
4213 r = enabled ? 0 : 1;
4217 dbus_message_unref(m);
4220 dbus_message_unref(reply);
4222 dbus_error_free(&error);
4226 static int systemctl_help(void) {
4228 pager_open_if_enabled();
4230 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
4231 "Query or send control commands to the systemd manager.\n\n"
4232 " -h --help Show this help\n"
4233 " --version Show package version\n"
4234 " -t --type=TYPE List only units of a particular type\n"
4235 " -p --property=NAME Show only properties by this name\n"
4236 " -a --all Show all units/properties, including dead/empty ones\n"
4237 " --failed Show only failed units\n"
4238 " --full Don't ellipsize unit names on output\n"
4239 " --fail When queueing a new job, fail if conflicting jobs are\n"
4241 " --ignore-dependencies\n"
4242 " When queueing a new job, ignore all its dependencies\n"
4243 " --kill-who=WHO Who to send signal to\n"
4244 " -s --signal=SIGNAL Which signal to send\n"
4245 " -H --host=[USER@]HOST\n"
4246 " Show information for remote host\n"
4247 " -P --privileged Acquire privileges before execution\n"
4248 " -q --quiet Suppress output\n"
4249 " --no-block Do not wait until operation finished\n"
4250 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4251 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
4253 " --no-legend Do not print a legend (column headers and hints)\n"
4254 " --no-pager Do not pipe output into a pager\n"
4255 " --no-ask-password\n"
4256 " Do not ask for system passwords\n"
4257 " --order When generating graph for dot, show only order\n"
4258 " --require When generating graph for dot, show only requirement\n"
4259 " --system Connect to system manager\n"
4260 " --user Connect to user service manager\n"
4261 " --global Enable/disable unit files globally\n"
4262 " -f --force When enabling unit files, override existing symlinks\n"
4263 " When shutting down, execute action immediately\n"
4264 " --root=PATH Enable unit files in the specified root directory\n"
4265 " --runtime Enable unit files only temporarily until next reboot\n"
4266 " -n --lines=INTEGER Journal entries to show\n"
4267 " --follow Follow journal\n"
4268 " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
4269 " verbose, export, json, cat)\n\n"
4271 " list-units List loaded units\n"
4272 " start [NAME...] Start (activate) one or more units\n"
4273 " stop [NAME...] Stop (deactivate) one or more units\n"
4274 " reload [NAME...] Reload one or more units\n"
4275 " restart [NAME...] Start or restart one or more units\n"
4276 " try-restart [NAME...] Restart one or more units if active\n"
4277 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
4278 " otherwise start or restart\n"
4279 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
4280 " otherwise restart if active\n"
4281 " isolate [NAME] Start one unit and stop all others\n"
4282 " kill [NAME...] Send signal to processes of a unit\n"
4283 " is-active [NAME...] Check whether units are active\n"
4284 " status [NAME...|PID...] Show runtime status of one or more units\n"
4285 " show [NAME...|JOB...] Show properties of one or more\n"
4286 " units/jobs or the manager\n"
4287 " man [NAME...|PID...] Show manual for one or more units\n"
4288 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
4290 " load [NAME...] Load one or more units\n\n"
4291 "Unit File Commands:\n"
4292 " list-unit-files List installed unit files\n"
4293 " enable [NAME...] Enable one or more unit files\n"
4294 " disable [NAME...] Disable one or more unit files\n"
4295 " reenable [NAME...] Reenable one or more unit files\n"
4296 " preset [NAME...] Enable/disable one or more unit files\n"
4297 " based on preset configuration\n"
4298 " mask [NAME...] Mask one or more units\n"
4299 " unmask [NAME...] Unmask one or more units\n"
4300 " link [PATH...] Link one or more units files into\n"
4301 " the search path\n"
4302 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
4304 " list-jobs List jobs\n"
4305 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
4306 "Status Commands:\n"
4307 " dump Dump server status\n"
4308 " dot Dump dependency graph for dot(1)\n\n"
4309 "Snapshot Commands:\n"
4310 " snapshot [NAME] Create a snapshot\n"
4311 " delete [NAME...] Remove one or more snapshots\n\n"
4312 "Environment Commands:\n"
4313 " show-environment Dump environment\n"
4314 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
4315 " unset-environment [NAME...] Unset one or more environment variables\n\n"
4316 "Manager Lifecycle Commands:\n"
4317 " daemon-reload Reload systemd manager configuration\n"
4318 " daemon-reexec Reexecute systemd manager\n\n"
4319 "System Commands:\n"
4320 " default Enter system default mode\n"
4321 " rescue Enter system rescue mode\n"
4322 " emergency Enter system emergency mode\n"
4323 " halt Shut down and halt the system\n"
4324 " poweroff Shut down and power-off the system\n"
4325 " reboot Shut down and reboot the system\n"
4326 " kexec Shut down and reboot the system with kexec\n"
4327 " exit Request user instance exit\n"
4328 " switch-root [ROOT] [INIT] Change to a different root file system\n"
4329 " suspend Suspend the system\n"
4330 " hibernate Hibernate the system\n",
4331 program_invocation_short_name);
4336 static int halt_help(void) {
4338 printf("%s [OPTIONS...]\n\n"
4339 "%s the system.\n\n"
4340 " --help Show this help\n"
4341 " --halt Halt the machine\n"
4342 " -p --poweroff Switch off the machine\n"
4343 " --reboot Reboot the machine\n"
4344 " -f --force Force immediate halt/power-off/reboot\n"
4345 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
4346 " -d --no-wtmp Don't write wtmp record\n"
4347 " -n --no-sync Don't sync before halt/power-off/reboot\n"
4348 " --no-wall Don't send wall message before halt/power-off/reboot\n",
4349 program_invocation_short_name,
4350 arg_action == ACTION_REBOOT ? "Reboot" :
4351 arg_action == ACTION_POWEROFF ? "Power off" :
4357 static int shutdown_help(void) {
4359 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
4360 "Shut down the system.\n\n"
4361 " --help Show this help\n"
4362 " -H --halt Halt the machine\n"
4363 " -P --poweroff Power-off the machine\n"
4364 " -r --reboot Reboot the machine\n"
4365 " -h Equivalent to --poweroff, overridden by --halt\n"
4366 " -k Don't halt/power-off/reboot, just send warnings\n"
4367 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4368 " -c Cancel a pending shutdown\n",
4369 program_invocation_short_name);
4374 static int telinit_help(void) {
4376 printf("%s [OPTIONS...] {COMMAND}\n\n"
4377 "Send control commands to the init daemon.\n\n"
4378 " --help Show this help\n"
4379 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
4381 " 0 Power-off the machine\n"
4382 " 6 Reboot the machine\n"
4383 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4384 " 1, s, S Enter rescue mode\n"
4385 " q, Q Reload init daemon configuration\n"
4386 " u, U Reexecute init daemon\n",
4387 program_invocation_short_name);
4392 static int runlevel_help(void) {
4394 printf("%s [OPTIONS...]\n\n"
4395 "Prints the previous and current runlevel of the init system.\n\n"
4396 " --help Show this help\n",
4397 program_invocation_short_name);
4402 static int systemctl_parse_argv(int argc, char *argv[]) {
4406 ARG_IGNORE_DEPENDENCIES,
4422 ARG_NO_ASK_PASSWORD,
4429 static const struct option options[] = {
4430 { "help", no_argument, NULL, 'h' },
4431 { "version", no_argument, NULL, ARG_VERSION },
4432 { "type", required_argument, NULL, 't' },
4433 { "property", required_argument, NULL, 'p' },
4434 { "all", no_argument, NULL, 'a' },
4435 { "failed", no_argument, NULL, ARG_FAILED },
4436 { "full", no_argument, NULL, ARG_FULL },
4437 { "fail", no_argument, NULL, ARG_FAIL },
4438 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
4439 { "user", no_argument, NULL, ARG_USER },
4440 { "system", no_argument, NULL, ARG_SYSTEM },
4441 { "global", no_argument, NULL, ARG_GLOBAL },
4442 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
4443 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
4444 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
4445 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4446 { "quiet", no_argument, NULL, 'q' },
4447 { "order", no_argument, NULL, ARG_ORDER },
4448 { "require", no_argument, NULL, ARG_REQUIRE },
4449 { "root", required_argument, NULL, ARG_ROOT },
4450 { "force", no_argument, NULL, ARG_FORCE },
4451 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
4452 { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
4453 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
4454 { "signal", required_argument, NULL, 's' },
4455 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
4456 { "host", required_argument, NULL, 'H' },
4457 { "privileged",no_argument, NULL, 'P' },
4458 { "runtime", no_argument, NULL, ARG_RUNTIME },
4459 { "lines", required_argument, NULL, 'n' },
4460 { "follow", no_argument, NULL, ARG_FOLLOW },
4461 { "output", required_argument, NULL, 'o' },
4462 { NULL, 0, NULL, 0 }
4470 while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:Pn:o:", options, NULL)) >= 0) {
4479 puts(PACKAGE_STRING);
4481 puts(SYSTEMD_FEATURES);
4491 if (!(l = strv_append(arg_property, optarg)))
4494 strv_free(arg_property);
4497 /* If the user asked for a particular
4498 * property, show it to him, even if it is
4509 arg_job_mode = "fail";
4512 case ARG_IGNORE_DEPENDENCIES:
4513 arg_job_mode = "ignore-dependencies";
4517 arg_scope = UNIT_FILE_USER;
4521 arg_scope = UNIT_FILE_SYSTEM;
4525 arg_scope = UNIT_FILE_GLOBAL;
4529 arg_no_block = true;
4533 arg_no_legend = true;
4537 arg_no_pager = true;
4545 arg_dot = DOT_ORDER;
4549 arg_dot = DOT_REQUIRE;
4577 /* -f is short for both --follow and --force! */
4583 arg_no_reload = true;
4587 arg_kill_who = optarg;
4591 arg_kill_mode = optarg;
4595 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
4596 log_error("Failed to parse signal string %s.", optarg);
4601 case ARG_NO_ASK_PASSWORD:
4602 arg_ask_password = false;
4606 arg_transport = TRANSPORT_POLKIT;
4610 arg_transport = TRANSPORT_SSH;
4619 if (safe_atou(optarg, &arg_lines) < 0) {
4620 log_error("Failed to parse lines '%s'", optarg);
4626 arg_output = output_mode_from_string(optarg);
4627 if (arg_output < 0) {
4628 log_error("Unknown output '%s'.", optarg);
4637 log_error("Unknown option code %c", c);
4642 if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) {
4643 log_error("Cannot access user instance remotely.");
4650 static int halt_parse_argv(int argc, char *argv[]) {
4659 static const struct option options[] = {
4660 { "help", no_argument, NULL, ARG_HELP },
4661 { "halt", no_argument, NULL, ARG_HALT },
4662 { "poweroff", no_argument, NULL, 'p' },
4663 { "reboot", no_argument, NULL, ARG_REBOOT },
4664 { "force", no_argument, NULL, 'f' },
4665 { "wtmp-only", no_argument, NULL, 'w' },
4666 { "no-wtmp", no_argument, NULL, 'd' },
4667 { "no-sync", no_argument, NULL, 'n' },
4668 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4669 { NULL, 0, NULL, 0 }
4677 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
4678 if (runlevel == '0' || runlevel == '6')
4681 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
4689 arg_action = ACTION_HALT;
4693 if (arg_action != ACTION_REBOOT)
4694 arg_action = ACTION_POWEROFF;
4698 arg_action = ACTION_REBOOT;
4723 /* Compatibility nops */
4730 log_error("Unknown option code %c", c);
4735 if (optind < argc) {
4736 log_error("Too many arguments.");
4743 static int parse_time_spec(const char *t, usec_t *_u) {
4747 if (streq(t, "now"))
4749 else if (!strchr(t, ':')) {
4752 if (safe_atou64(t, &u) < 0)
4755 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
4764 hour = strtol(t, &e, 10);
4765 if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
4768 minute = strtol(e+1, &e, 10);
4769 if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
4772 n = now(CLOCK_REALTIME);
4773 s = (time_t) (n / USEC_PER_SEC);
4776 assert_se(localtime_r(&s, &tm));
4778 tm.tm_hour = (int) hour;
4779 tm.tm_min = (int) minute;
4782 assert_se(s = mktime(&tm));
4784 *_u = (usec_t) s * USEC_PER_SEC;
4787 *_u += USEC_PER_DAY;
4793 static int shutdown_parse_argv(int argc, char *argv[]) {
4800 static const struct option options[] = {
4801 { "help", no_argument, NULL, ARG_HELP },
4802 { "halt", no_argument, NULL, 'H' },
4803 { "poweroff", no_argument, NULL, 'P' },
4804 { "reboot", no_argument, NULL, 'r' },
4805 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
4806 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4807 { NULL, 0, NULL, 0 }
4815 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
4823 arg_action = ACTION_HALT;
4827 arg_action = ACTION_POWEROFF;
4832 arg_action = ACTION_KEXEC;
4834 arg_action = ACTION_REBOOT;
4838 arg_action = ACTION_KEXEC;
4842 if (arg_action != ACTION_HALT)
4843 arg_action = ACTION_POWEROFF;
4856 /* Compatibility nops */
4860 arg_action = ACTION_CANCEL_SHUTDOWN;
4867 log_error("Unknown option code %c", c);
4872 if (argc > optind) {
4873 r = parse_time_spec(argv[optind], &arg_when);
4875 log_error("Failed to parse time specification: %s", argv[optind]);
4879 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
4881 /* We skip the time argument */
4882 if (argc > optind + 1)
4883 arg_wall = argv + optind + 1;
4890 static int telinit_parse_argv(int argc, char *argv[]) {
4897 static const struct option options[] = {
4898 { "help", no_argument, NULL, ARG_HELP },
4899 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4900 { NULL, 0, NULL, 0 }
4903 static const struct {
4907 { '0', ACTION_POWEROFF },
4908 { '6', ACTION_REBOOT },
4909 { '1', ACTION_RESCUE },
4910 { '2', ACTION_RUNLEVEL2 },
4911 { '3', ACTION_RUNLEVEL3 },
4912 { '4', ACTION_RUNLEVEL4 },
4913 { '5', ACTION_RUNLEVEL5 },
4914 { 's', ACTION_RESCUE },
4915 { 'S', ACTION_RESCUE },
4916 { 'q', ACTION_RELOAD },
4917 { 'Q', ACTION_RELOAD },
4918 { 'u', ACTION_REEXEC },
4919 { 'U', ACTION_REEXEC }
4928 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4943 log_error("Unknown option code %c", c);
4948 if (optind >= argc) {
4953 if (optind + 1 < argc) {
4954 log_error("Too many arguments.");
4958 if (strlen(argv[optind]) != 1) {
4959 log_error("Expected single character argument.");
4963 for (i = 0; i < ELEMENTSOF(table); i++)
4964 if (table[i].from == argv[optind][0])
4967 if (i >= ELEMENTSOF(table)) {
4968 log_error("Unknown command %s.", argv[optind]);
4972 arg_action = table[i].to;
4979 static int runlevel_parse_argv(int argc, char *argv[]) {
4985 static const struct option options[] = {
4986 { "help", no_argument, NULL, ARG_HELP },
4987 { NULL, 0, NULL, 0 }
4995 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
5006 log_error("Unknown option code %c", c);
5011 if (optind < argc) {
5012 log_error("Too many arguments.");
5019 static int parse_argv(int argc, char *argv[]) {
5023 if (program_invocation_short_name) {
5025 if (strstr(program_invocation_short_name, "halt")) {
5026 arg_action = ACTION_HALT;
5027 return halt_parse_argv(argc, argv);
5028 } else if (strstr(program_invocation_short_name, "poweroff")) {
5029 arg_action = ACTION_POWEROFF;
5030 return halt_parse_argv(argc, argv);
5031 } else if (strstr(program_invocation_short_name, "reboot")) {
5033 arg_action = ACTION_KEXEC;
5035 arg_action = ACTION_REBOOT;
5036 return halt_parse_argv(argc, argv);
5037 } else if (strstr(program_invocation_short_name, "shutdown")) {
5038 arg_action = ACTION_POWEROFF;
5039 return shutdown_parse_argv(argc, argv);
5040 } else if (strstr(program_invocation_short_name, "init")) {
5042 if (sd_booted() > 0) {
5043 arg_action = ACTION_INVALID;
5044 return telinit_parse_argv(argc, argv);
5046 /* Hmm, so some other init system is
5047 * running, we need to forward this
5048 * request to it. For now we simply
5049 * guess that it is Upstart. */
5051 execv("/lib/upstart/telinit", argv);
5053 log_error("Couldn't find an alternative telinit implementation to spawn.");
5057 } else if (strstr(program_invocation_short_name, "runlevel")) {
5058 arg_action = ACTION_RUNLEVEL;
5059 return runlevel_parse_argv(argc, argv);
5063 arg_action = ACTION_SYSTEMCTL;
5064 return systemctl_parse_argv(argc, argv);
5067 static int action_to_runlevel(void) {
5069 static const char table[_ACTION_MAX] = {
5070 [ACTION_HALT] = '0',
5071 [ACTION_POWEROFF] = '0',
5072 [ACTION_REBOOT] = '6',
5073 [ACTION_RUNLEVEL2] = '2',
5074 [ACTION_RUNLEVEL3] = '3',
5075 [ACTION_RUNLEVEL4] = '4',
5076 [ACTION_RUNLEVEL5] = '5',
5077 [ACTION_RESCUE] = '1'
5080 assert(arg_action < _ACTION_MAX);
5082 return table[arg_action];
5085 static int talk_upstart(void) {
5086 DBusMessage *m = NULL, *reply = NULL;
5088 int previous, rl, r;
5090 env1_buf[] = "RUNLEVEL=X",
5091 env2_buf[] = "PREVLEVEL=X";
5092 char *env1 = env1_buf, *env2 = env2_buf;
5093 const char *emit = "runlevel";
5094 dbus_bool_t b_false = FALSE;
5095 DBusMessageIter iter, sub;
5096 DBusConnection *bus;
5098 dbus_error_init(&error);
5100 if (!(rl = action_to_runlevel()))
5103 if (utmp_get_runlevel(&previous, NULL) < 0)
5106 if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
5107 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
5112 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
5117 if ((r = bus_check_peercred(bus)) < 0) {
5118 log_error("Failed to verify owner of bus.");
5122 if (!(m = dbus_message_new_method_call(
5123 "com.ubuntu.Upstart",
5124 "/com/ubuntu/Upstart",
5125 "com.ubuntu.Upstart0_6",
5128 log_error("Could not allocate message.");
5133 dbus_message_iter_init_append(m, &iter);
5135 env1_buf[sizeof(env1_buf)-2] = rl;
5136 env2_buf[sizeof(env2_buf)-2] = previous;
5138 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
5139 !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
5140 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
5141 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
5142 !dbus_message_iter_close_container(&iter, &sub) ||
5143 !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
5144 log_error("Could not append arguments to message.");
5149 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
5151 if (error_is_no_service(&error)) {
5156 log_error("Failed to issue method call: %s", bus_error_message(&error));
5165 dbus_message_unref(m);
5168 dbus_message_unref(reply);
5171 dbus_connection_flush(bus);
5172 dbus_connection_close(bus);
5173 dbus_connection_unref(bus);
5176 dbus_error_free(&error);
5181 static int talk_initctl(void) {
5182 struct init_request request;
5186 if (!(rl = action_to_runlevel()))
5190 request.magic = INIT_MAGIC;
5191 request.sleeptime = 0;
5192 request.cmd = INIT_CMD_RUNLVL;
5193 request.runlevel = rl;
5195 if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
5197 if (errno == ENOENT)
5200 log_error("Failed to open "INIT_FIFO": %m");
5205 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
5206 close_nointr_nofail(fd);
5209 log_error("Failed to write to "INIT_FIFO": %m");
5210 return errno ? -errno : -EIO;
5216 static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
5218 static const struct {
5226 int (* const dispatch)(DBusConnection *bus, char **args);
5228 { "list-units", LESS, 1, list_units },
5229 { "list-unit-files", EQUAL, 1, list_unit_files },
5230 { "list-jobs", EQUAL, 1, list_jobs },
5231 { "clear-jobs", EQUAL, 1, daemon_reload },
5232 { "load", MORE, 2, load_unit },
5233 { "cancel", MORE, 2, cancel_job },
5234 { "start", MORE, 2, start_unit },
5235 { "stop", MORE, 2, start_unit },
5236 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
5237 { "reload", MORE, 2, start_unit },
5238 { "restart", MORE, 2, start_unit },
5239 { "try-restart", MORE, 2, start_unit },
5240 { "reload-or-restart", MORE, 2, start_unit },
5241 { "reload-or-try-restart", MORE, 2, start_unit },
5242 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
5243 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
5244 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
5245 { "isolate", EQUAL, 2, start_unit },
5246 { "kill", MORE, 2, kill_unit },
5247 { "is-active", MORE, 2, check_unit },
5248 { "check", MORE, 2, check_unit },
5249 { "show", MORE, 1, show },
5250 { "status", MORE, 2, show },
5251 { "man", MORE, 2, show },
5252 { "dump", EQUAL, 1, dump },
5253 { "dot", EQUAL, 1, dot },
5254 { "snapshot", LESS, 2, snapshot },
5255 { "delete", MORE, 2, delete_snapshot },
5256 { "daemon-reload", EQUAL, 1, daemon_reload },
5257 { "daemon-reexec", EQUAL, 1, daemon_reload },
5258 { "show-environment", EQUAL, 1, show_enviroment },
5259 { "set-environment", MORE, 2, set_environment },
5260 { "unset-environment", MORE, 2, set_environment },
5261 { "halt", EQUAL, 1, start_special },
5262 { "poweroff", EQUAL, 1, start_special },
5263 { "reboot", EQUAL, 1, start_special },
5264 { "kexec", EQUAL, 1, start_special },
5265 { "suspend", EQUAL, 1, start_special },
5266 { "hibernate", EQUAL, 1, start_special },
5267 { "default", EQUAL, 1, start_special },
5268 { "rescue", EQUAL, 1, start_special },
5269 { "emergency", EQUAL, 1, start_special },
5270 { "exit", EQUAL, 1, start_special },
5271 { "reset-failed", MORE, 1, reset_failed },
5272 { "enable", MORE, 2, enable_unit },
5273 { "disable", MORE, 2, enable_unit },
5274 { "is-enabled", MORE, 2, unit_is_enabled },
5275 { "reenable", MORE, 2, enable_unit },
5276 { "preset", MORE, 2, enable_unit },
5277 { "mask", MORE, 2, enable_unit },
5278 { "unmask", MORE, 2, enable_unit },
5279 { "link", MORE, 2, enable_unit },
5280 { "switch-root", MORE, 2, switch_root },
5290 left = argc - optind;
5293 /* Special rule: no arguments means "list-units" */
5296 if (streq(argv[optind], "help")) {
5301 for (i = 0; i < ELEMENTSOF(verbs); i++)
5302 if (streq(argv[optind], verbs[i].verb))
5305 if (i >= ELEMENTSOF(verbs)) {
5306 log_error("Unknown operation %s", argv[optind]);
5311 switch (verbs[i].argc_cmp) {
5314 if (left != verbs[i].argc) {
5315 log_error("Invalid number of arguments.");
5322 if (left < verbs[i].argc) {
5323 log_error("Too few arguments.");
5330 if (left > verbs[i].argc) {
5331 log_error("Too many arguments.");
5338 assert_not_reached("Unknown comparison operator.");
5341 /* Require a bus connection for all operations but
5343 if (!streq(verbs[i].verb, "enable") &&
5344 !streq(verbs[i].verb, "disable") &&
5345 !streq(verbs[i].verb, "is-enabled") &&
5346 !streq(verbs[i].verb, "list-unit-files") &&
5347 !streq(verbs[i].verb, "reenable") &&
5348 !streq(verbs[i].verb, "preset") &&
5349 !streq(verbs[i].verb, "mask") &&
5350 !streq(verbs[i].verb, "unmask") &&
5351 !streq(verbs[i].verb, "link")) {
5353 if (running_in_chroot() > 0) {
5354 log_info("Running in chroot, ignoring request.");
5358 if (((!streq(verbs[i].verb, "reboot") &&
5359 !streq(verbs[i].verb, "halt") &&
5360 !streq(verbs[i].verb, "poweroff")) || arg_force <= 0) && !bus) {
5361 log_error("Failed to get D-Bus connection: %s",
5362 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
5368 if (!bus && !avoid_bus()) {
5369 log_error("Failed to get D-Bus connection: %s",
5370 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
5375 return verbs[i].dispatch(bus, argv + optind);
5378 static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
5380 struct msghdr msghdr;
5381 struct iovec iovec[2];
5382 union sockaddr_union sockaddr;
5383 struct sd_shutdown_command c;
5385 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
5392 c.dry_run = dry_run;
5396 sockaddr.sa.sa_family = AF_UNIX;
5397 strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
5400 msghdr.msg_name = &sockaddr;
5401 msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
5404 iovec[0].iov_base = (char*) &c;
5405 iovec[0].iov_len = offsetof(struct sd_shutdown_command, wall_message);
5407 if (isempty(message))
5408 msghdr.msg_iovlen = 1;
5410 iovec[1].iov_base = (char*) message;
5411 iovec[1].iov_len = strlen(message);
5412 msghdr.msg_iovlen = 2;
5414 msghdr.msg_iov = iovec;
5416 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
5417 close_nointr_nofail(fd);
5421 close_nointr_nofail(fd);
5425 static int reload_with_fallback(DBusConnection *bus) {
5428 /* First, try systemd via D-Bus. */
5429 if (daemon_reload(bus, NULL) >= 0)
5433 /* Nothing else worked, so let's try signals */
5434 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
5436 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
5437 log_error("kill() failed: %m");
5444 static int start_with_fallback(DBusConnection *bus) {
5447 /* First, try systemd via D-Bus. */
5448 if (start_unit(bus, NULL) >= 0)
5452 /* Hmm, talking to systemd via D-Bus didn't work. Then
5453 * let's try to talk to Upstart via D-Bus. */
5454 if (talk_upstart() > 0)
5457 /* Nothing else worked, so let's try
5459 if (talk_initctl() > 0)
5462 log_error("Failed to talk to init daemon.");
5466 warn_wall(arg_action);
5470 static void halt_now(enum action a) {
5472 /* Make sure C-A-D is handled by the kernel from this
5474 reboot(RB_ENABLE_CAD);
5479 log_info("Halting.");
5480 reboot(RB_HALT_SYSTEM);
5483 case ACTION_POWEROFF:
5484 log_info("Powering off.");
5485 reboot(RB_POWER_OFF);
5489 log_info("Rebooting.");
5490 reboot(RB_AUTOBOOT);
5494 assert_not_reached("Unknown halt action.");
5497 assert_not_reached("Uh? This shouldn't happen.");
5500 static int halt_main(DBusConnection *bus) {
5503 if (geteuid() != 0) {
5504 /* Try logind if we are a normal user and no special
5505 * mode applies. Maybe PolicyKit allows us to shutdown
5508 if (arg_when <= 0 &&
5511 (arg_action == ACTION_POWEROFF ||
5512 arg_action == ACTION_REBOOT)) {
5513 r = reboot_with_logind(bus, arg_action);
5518 log_error("Must be root.");
5525 m = strv_join(arg_wall, " ");
5526 r = send_shutdownd(arg_when,
5527 arg_action == ACTION_HALT ? 'H' :
5528 arg_action == ACTION_POWEROFF ? 'P' :
5529 arg_action == ACTION_KEXEC ? 'K' :
5537 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
5539 char date[FORMAT_TIMESTAMP_MAX];
5541 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5542 format_timestamp(date, sizeof(date), arg_when));
5547 if (!arg_dry && !arg_force)
5548 return start_with_fallback(bus);
5551 if (sd_booted() > 0)
5552 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
5554 r = utmp_put_shutdown();
5556 log_warning("Failed to write utmp record: %s", strerror(-r));
5566 halt_now(arg_action);
5567 /* We should never reach this. */
5571 static int runlevel_main(void) {
5572 int r, runlevel, previous;
5574 r = utmp_get_runlevel(&runlevel, &previous);
5581 previous <= 0 ? 'N' : previous,
5582 runlevel <= 0 ? 'N' : runlevel);
5587 int main(int argc, char*argv[]) {
5588 int r, retval = EXIT_FAILURE;
5589 DBusConnection *bus = NULL;
5592 dbus_error_init(&error);
5594 log_parse_environment();
5597 r = parse_argv(argc, argv);
5601 retval = EXIT_SUCCESS;
5605 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5606 * let's shortcut this */
5607 if (arg_action == ACTION_RUNLEVEL) {
5608 r = runlevel_main();
5609 retval = r < 0 ? EXIT_FAILURE : r;
5613 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
5614 log_info("Running in chroot, ignoring request.");
5620 if (arg_transport == TRANSPORT_NORMAL)
5621 bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
5622 else if (arg_transport == TRANSPORT_POLKIT) {
5623 bus_connect_system_polkit(&bus, &error);
5624 private_bus = false;
5625 } else if (arg_transport == TRANSPORT_SSH) {
5626 bus_connect_system_ssh(NULL, arg_host, &bus, &error);
5627 private_bus = false;
5629 assert_not_reached("Uh, invalid transport...");
5632 switch (arg_action) {
5634 case ACTION_SYSTEMCTL:
5635 r = systemctl_main(bus, argc, argv, &error);
5639 case ACTION_POWEROFF:
5645 case ACTION_RUNLEVEL2:
5646 case ACTION_RUNLEVEL3:
5647 case ACTION_RUNLEVEL4:
5648 case ACTION_RUNLEVEL5:
5650 case ACTION_EMERGENCY:
5651 case ACTION_DEFAULT:
5652 r = start_with_fallback(bus);
5657 r = reload_with_fallback(bus);
5660 case ACTION_CANCEL_SHUTDOWN:
5661 r = send_shutdownd(0, 0, false, false, NULL);
5664 case ACTION_INVALID:
5665 case ACTION_RUNLEVEL:
5667 assert_not_reached("Unknown action");
5670 retval = r < 0 ? EXIT_FAILURE : r;
5674 dbus_connection_flush(bus);
5675 dbus_connection_close(bus);
5676 dbus_connection_unref(bus);
5679 dbus_error_free(&error);
5683 strv_free(arg_property);
5686 ask_password_agent_close();
5687 polkit_agent_close();