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"
49 #include "dbus-common.h"
50 #include "cgroup-show.h"
51 #include "cgroup-util.h"
53 #include "path-lookup.h"
54 #include "conf-parser.h"
55 #include "exit-status.h"
56 #include "bus-errors.h"
58 #include "unit-name.h"
60 #include "spawn-ask-password-agent.h"
61 #include "spawn-polkit-agent.h"
63 #include "logs-show.h"
65 static const char *arg_type = NULL;
66 static char **arg_property = NULL;
67 static bool arg_all = false;
68 static const char *arg_job_mode = "replace";
69 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
70 static bool arg_no_block = false;
71 static bool arg_no_legend = false;
72 static bool arg_no_pager = false;
73 static bool arg_no_wtmp = false;
74 static bool arg_no_sync = false;
75 static bool arg_no_wall = false;
76 static bool arg_no_reload = false;
77 static bool arg_dry = false;
78 static bool arg_quiet = false;
79 static bool arg_full = false;
80 static int arg_force = 0;
81 static bool arg_ask_password = true;
82 static bool arg_failed = false;
83 static bool arg_runtime = false;
84 static char **arg_wall = NULL;
85 static const char *arg_kill_who = NULL;
86 static const char *arg_kill_mode = NULL;
87 static int arg_signal = SIGTERM;
88 static const char *arg_root = NULL;
89 static usec_t arg_when = 0;
108 ACTION_CANCEL_SHUTDOWN,
110 } arg_action = ACTION_SYSTEMCTL;
116 static enum transport {
120 } arg_transport = TRANSPORT_NORMAL;
121 static const char *arg_host = NULL;
122 static bool arg_follow = false;
123 static unsigned arg_lines = 10;
124 static OutputMode arg_output = OUTPUT_SHORT;
126 static bool private_bus = false;
128 static int daemon_reload(DBusConnection *bus, char **args);
129 static void halt_now(enum action a);
131 static bool on_tty(void) {
134 /* Note that this is invoked relatively early, before we start
135 * the pager. That means the value we return reflects whether
136 * we originally were started on a tty, not if we currently
137 * are. But this is intended, since we want colour and so on
138 * when run in our own pager. */
140 if (_unlikely_(t < 0))
141 t = isatty(STDOUT_FILENO) > 0;
146 static void pager_open_if_enabled(void) {
148 /* Cache result before we open the pager */
157 static void ask_password_agent_open_if_enabled(void) {
159 /* Open the password agent as a child process if necessary */
161 if (!arg_ask_password)
164 if (arg_scope != UNIT_FILE_SYSTEM)
167 ask_password_agent_open();
170 static void polkit_agent_open_if_enabled(void) {
172 /* Open the polkit agent as a child process if necessary */
174 if (!arg_ask_password)
177 if (arg_scope != UNIT_FILE_SYSTEM)
183 static const char *ansi_highlight_red(bool b) {
188 return b ? ANSI_HIGHLIGHT_RED_ON : ANSI_HIGHLIGHT_OFF;
191 static const char *ansi_highlight_green(bool b) {
196 return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
199 static bool error_is_no_service(const DBusError *error) {
202 if (!dbus_error_is_set(error))
205 if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
208 if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
211 return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
214 static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
217 if (!dbus_error_is_set(error))
220 if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
221 dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
222 dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
223 dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
224 return EXIT_NOPERMISSION;
226 if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
227 return EXIT_NOTINSTALLED;
229 if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
230 dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
231 return EXIT_NOTIMPLEMENTED;
233 if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
234 return EXIT_NOTCONFIGURED;
242 static void warn_wall(enum action a) {
243 static const char *table[_ACTION_MAX] = {
244 [ACTION_HALT] = "The system is going down for system halt NOW!",
245 [ACTION_REBOOT] = "The system is going down for reboot NOW!",
246 [ACTION_POWEROFF] = "The system is going down for power-off NOW!",
247 [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
248 [ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
249 [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
258 p = strv_join(arg_wall, " ");
260 log_error("Failed to join strings.");
276 utmp_wall(table[a], NULL);
279 static bool avoid_bus(void) {
281 if (running_in_chroot() > 0)
284 if (sd_booted() <= 0)
287 if (!isempty(arg_root))
290 if (arg_scope == UNIT_FILE_GLOBAL)
298 const char *description;
299 const char *load_state;
300 const char *active_state;
301 const char *sub_state;
302 const char *following;
303 const char *unit_path;
305 const char *job_type;
306 const char *job_path;
309 static int compare_unit_info(const void *a, const void *b) {
311 const struct unit_info *u = a, *v = b;
313 d1 = strrchr(u->id, '.');
314 d2 = strrchr(v->id, '.');
319 if ((r = strcasecmp(d1, d2)) != 0)
323 return strcasecmp(u->id, v->id);
326 static bool output_show_unit(const struct unit_info *u) {
330 return streq(u->active_state, "failed");
332 return (!arg_type || ((dot = strrchr(u->id, '.')) &&
333 streq(dot+1, arg_type))) &&
334 (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
337 static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
338 unsigned id_len, max_id_len, active_len, sub_len, job_len, desc_len, n_shown = 0;
339 const struct unit_info *u;
341 max_id_len = sizeof("UNIT")-1;
342 active_len = sizeof("ACTIVE")-1;
343 sub_len = sizeof("SUB")-1;
344 job_len = sizeof("JOB")-1;
347 for (u = unit_infos; u < unit_infos + c; u++) {
348 if (!output_show_unit(u))
351 max_id_len = MAX(max_id_len, strlen(u->id));
352 active_len = MAX(active_len, strlen(u->active_state));
353 sub_len = MAX(sub_len, strlen(u->sub_state));
355 job_len = MAX(job_len, strlen(u->job_type));
360 id_len = MIN(max_id_len, 25);
361 basic_len = 5 + id_len + 6 + active_len + sub_len + job_len;
362 if (basic_len < (unsigned) columns()) {
363 unsigned extra_len, incr;
364 extra_len = columns() - basic_len;
365 /* Either UNIT already got 25, or is fully satisfied.
366 * Grant up to 25 to DESC now. */
367 incr = MIN(extra_len, 25);
370 /* split the remaining space between UNIT and DESC,
371 * but do not give UNIT more than it needs. */
373 incr = MIN(extra_len / 2, max_id_len - id_len);
375 desc_len += extra_len - incr;
381 if (!arg_no_legend) {
382 printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
383 active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
384 if (!arg_full && arg_no_pager)
385 printf("%.*s\n", desc_len, "DESCRIPTION");
387 printf("%s\n", "DESCRIPTION");
390 for (u = unit_infos; u < unit_infos + c; u++) {
392 const char *on_loaded, *off_loaded;
393 const char *on_active, *off_active;
395 if (!output_show_unit(u))
400 if (streq(u->load_state, "error")) {
401 on_loaded = ansi_highlight_red(true);
402 off_loaded = ansi_highlight_red(false);
404 on_loaded = off_loaded = "";
406 if (streq(u->active_state, "failed")) {
407 on_active = ansi_highlight_red(true);
408 off_active = ansi_highlight_red(false);
410 on_active = off_active = "";
412 e = arg_full ? NULL : ellipsize(u->id, id_len, 33);
414 printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ",
415 id_len, e ? e : u->id,
416 on_loaded, u->load_state, off_loaded,
417 on_active, active_len, u->active_state,
418 sub_len, u->sub_state, off_active,
419 job_len, u->job_id ? u->job_type : "");
420 if (!arg_full && arg_no_pager)
421 printf("%.*s\n", desc_len, u->description);
423 printf("%s\n", u->description);
428 if (!arg_no_legend) {
429 printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
430 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
431 "SUB = The low-level unit activation state, values depend on unit type.\n"
432 "JOB = Pending job for the unit.\n");
435 printf("\n%u units listed.\n", n_shown);
437 printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
441 static int list_units(DBusConnection *bus, char **args) {
442 DBusMessage *m = NULL, *reply = NULL;
445 DBusMessageIter iter, sub, sub2;
446 unsigned c = 0, n_units = 0;
447 struct unit_info *unit_infos = NULL;
449 dbus_error_init(&error);
453 pager_open_if_enabled();
455 if (!(m = dbus_message_new_method_call(
456 "org.freedesktop.systemd1",
457 "/org/freedesktop/systemd1",
458 "org.freedesktop.systemd1.Manager",
460 log_error("Could not allocate message.");
464 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
465 log_error("Failed to issue method call: %s", bus_error_message(&error));
470 if (!dbus_message_iter_init(reply, &iter) ||
471 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
472 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
473 log_error("Failed to parse reply.");
478 dbus_message_iter_recurse(&iter, &sub);
480 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
483 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
484 log_error("Failed to parse reply.");
492 n_units = MAX(2*c, 16);
493 w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
496 log_error("Failed to allocate unit array.");
506 dbus_message_iter_recurse(&sub, &sub2);
508 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
509 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
510 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
511 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
512 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
513 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
514 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
515 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
516 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
517 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
518 log_error("Failed to parse reply.");
523 dbus_message_iter_next(&sub);
528 qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
529 output_units_list(unit_infos, c);
536 dbus_message_unref(m);
539 dbus_message_unref(reply);
543 dbus_error_free(&error);
548 static int compare_unit_file_list(const void *a, const void *b) {
550 const UnitFileList *u = a, *v = b;
552 d1 = strrchr(u->path, '.');
553 d2 = strrchr(v->path, '.');
558 r = strcasecmp(d1, d2);
563 return strcasecmp(file_name_from_path(u->path), file_name_from_path(v->path));
566 static bool output_show_unit_file(const UnitFileList *u) {
569 return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type));
572 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
573 unsigned max_id_len, id_cols, state_cols, n_shown = 0;
574 const UnitFileList *u;
576 max_id_len = sizeof("UNIT FILE")-1;
577 state_cols = sizeof("STATE")-1;
578 for (u = units; u < units + c; u++) {
579 if (!output_show_unit_file(u))
582 max_id_len = MAX(max_id_len, strlen(file_name_from_path(u->path)));
583 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
588 id_cols = MIN(max_id_len, 25);
589 basic_cols = 1 + id_cols + state_cols;
590 if (basic_cols < (unsigned) columns())
591 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
593 id_cols = max_id_len;
596 printf("%-*s %-*s\n", id_cols, "UNIT FILE", state_cols, "STATE");
598 for (u = units; u < units + c; u++) {
600 const char *on, *off;
603 if (!output_show_unit_file(u))
608 if (u->state == UNIT_FILE_MASKED ||
609 u->state == UNIT_FILE_MASKED_RUNTIME ||
610 u->state == UNIT_FILE_DISABLED) {
611 on = ansi_highlight_red(true);
612 off = ansi_highlight_red(false);
613 } else if (u->state == UNIT_FILE_ENABLED) {
614 on = ansi_highlight_green(true);
615 off = ansi_highlight_green(false);
619 id = file_name_from_path(u->path);
621 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
623 printf("%-*s %s%-*s%s\n",
625 on, state_cols, unit_file_state_to_string(u->state), off);
631 printf("\n%u unit files listed.\n", n_shown);
634 static int list_unit_files(DBusConnection *bus, char **args) {
635 DBusMessage *m = NULL, *reply = NULL;
638 DBusMessageIter iter, sub, sub2;
639 unsigned c = 0, n_units = 0;
640 UnitFileList *units = NULL;
642 dbus_error_init(&error);
644 pager_open_if_enabled();
651 h = hashmap_new(string_hash_func, string_compare_func);
653 log_error("Out of memory");
657 r = unit_file_get_list(arg_scope, arg_root, h);
659 unit_file_list_free(h);
660 log_error("Failed to get unit file list: %s", strerror(-r));
664 n_units = hashmap_size(h);
665 units = new(UnitFileList, n_units);
667 unit_file_list_free(h);
668 log_error("Out of memory");
672 HASHMAP_FOREACH(u, h, i) {
673 memcpy(units + c++, u, sizeof(UnitFileList));
681 m = dbus_message_new_method_call(
682 "org.freedesktop.systemd1",
683 "/org/freedesktop/systemd1",
684 "org.freedesktop.systemd1.Manager",
687 log_error("Could not allocate message.");
691 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
693 log_error("Failed to issue method call: %s", bus_error_message(&error));
698 if (!dbus_message_iter_init(reply, &iter) ||
699 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
700 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
701 log_error("Failed to parse reply.");
706 dbus_message_iter_recurse(&iter, &sub);
708 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
712 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
713 log_error("Failed to parse reply.");
721 n_units = MAX(2*c, 16);
722 w = realloc(units, sizeof(struct UnitFileList) * n_units);
725 log_error("Failed to allocate unit array.");
735 dbus_message_iter_recurse(&sub, &sub2);
737 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 ||
738 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) {
739 log_error("Failed to parse reply.");
744 u->state = unit_file_state_from_string(state);
746 dbus_message_iter_next(&sub);
752 qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
753 output_unit_file_list(units, c);
760 dbus_message_unref(m);
763 dbus_message_unref(reply);
767 dbus_error_free(&error);
772 static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
773 static const char * const colors[] = {
774 "Requires", "[color=\"black\"]",
775 "RequiresOverridable", "[color=\"black\"]",
776 "Requisite", "[color=\"darkblue\"]",
777 "RequisiteOverridable", "[color=\"darkblue\"]",
778 "Wants", "[color=\"darkgrey\"]",
779 "Conflicts", "[color=\"red\"]",
780 "ConflictedBy", "[color=\"red\"]",
781 "After", "[color=\"green\"]"
784 const char *c = NULL;
791 for (i = 0; i < ELEMENTSOF(colors); i += 2)
792 if (streq(colors[i], prop)) {
800 if (arg_dot != DOT_ALL)
801 if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
804 switch (dbus_message_iter_get_arg_type(iter)) {
806 case DBUS_TYPE_ARRAY:
808 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
811 dbus_message_iter_recurse(iter, &sub);
813 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
816 assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
817 dbus_message_iter_get_basic(&sub, &s);
818 printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
820 dbus_message_iter_next(&sub);
830 static int dot_one(DBusConnection *bus, const char *name, const char *path) {
831 DBusMessage *m = NULL, *reply = NULL;
832 const char *interface = "org.freedesktop.systemd1.Unit";
835 DBusMessageIter iter, sub, sub2, sub3;
840 dbus_error_init(&error);
842 if (!(m = dbus_message_new_method_call(
843 "org.freedesktop.systemd1",
845 "org.freedesktop.DBus.Properties",
847 log_error("Could not allocate message.");
852 if (!dbus_message_append_args(m,
853 DBUS_TYPE_STRING, &interface,
854 DBUS_TYPE_INVALID)) {
855 log_error("Could not append arguments to message.");
860 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
861 log_error("Failed to issue method call: %s", bus_error_message(&error));
866 if (!dbus_message_iter_init(reply, &iter) ||
867 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
868 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
869 log_error("Failed to parse reply.");
874 dbus_message_iter_recurse(&iter, &sub);
876 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
879 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
880 log_error("Failed to parse reply.");
885 dbus_message_iter_recurse(&sub, &sub2);
887 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
888 log_error("Failed to parse reply.");
893 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
894 log_error("Failed to parse reply.");
899 dbus_message_iter_recurse(&sub2, &sub3);
901 if (dot_one_property(name, prop, &sub3)) {
902 log_error("Failed to parse reply.");
907 dbus_message_iter_next(&sub);
914 dbus_message_unref(m);
917 dbus_message_unref(reply);
919 dbus_error_free(&error);
924 static int dot(DBusConnection *bus, char **args) {
925 DBusMessage *m = NULL, *reply = NULL;
928 DBusMessageIter iter, sub, sub2;
930 dbus_error_init(&error);
934 if (!(m = dbus_message_new_method_call(
935 "org.freedesktop.systemd1",
936 "/org/freedesktop/systemd1",
937 "org.freedesktop.systemd1.Manager",
939 log_error("Could not allocate message.");
943 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
944 log_error("Failed to issue method call: %s", bus_error_message(&error));
949 if (!dbus_message_iter_init(reply, &iter) ||
950 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
951 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
952 log_error("Failed to parse reply.");
957 printf("digraph systemd {\n");
959 dbus_message_iter_recurse(&iter, &sub);
960 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
961 const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
963 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
964 log_error("Failed to parse reply.");
969 dbus_message_iter_recurse(&sub, &sub2);
971 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
972 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
973 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
974 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
975 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
976 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
977 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
978 log_error("Failed to parse reply.");
983 if ((r = dot_one(bus, id, unit_path)) < 0)
986 /* printf("\t\"%s\";\n", id); */
987 dbus_message_iter_next(&sub);
992 log_info(" Color legend: black = Requires\n"
993 " dark blue = Requisite\n"
994 " dark grey = Wants\n"
999 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1000 "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
1006 dbus_message_unref(m);
1009 dbus_message_unref(reply);
1011 dbus_error_free(&error);
1016 static int list_jobs(DBusConnection *bus, char **args) {
1017 DBusMessage *m = NULL, *reply = NULL;
1020 DBusMessageIter iter, sub, sub2;
1023 dbus_error_init(&error);
1027 pager_open_if_enabled();
1029 if (!(m = dbus_message_new_method_call(
1030 "org.freedesktop.systemd1",
1031 "/org/freedesktop/systemd1",
1032 "org.freedesktop.systemd1.Manager",
1034 log_error("Could not allocate message.");
1038 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1039 log_error("Failed to issue method call: %s", bus_error_message(&error));
1044 if (!dbus_message_iter_init(reply, &iter) ||
1045 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
1046 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
1047 log_error("Failed to parse reply.");
1052 dbus_message_iter_recurse(&iter, &sub);
1055 printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
1057 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
1058 const char *name, *type, *state, *job_path, *unit_path;
1062 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
1063 log_error("Failed to parse reply.");
1068 dbus_message_iter_recurse(&sub, &sub2);
1070 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
1071 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
1072 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
1073 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
1074 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
1075 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
1076 log_error("Failed to parse reply.");
1081 e = arg_full ? NULL : ellipsize(name, 25, 33);
1082 printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
1087 dbus_message_iter_next(&sub);
1091 printf("\n%u jobs listed.\n", k);
1097 dbus_message_unref(m);
1100 dbus_message_unref(reply);
1102 dbus_error_free(&error);
1107 static int load_unit(DBusConnection *bus, char **args) {
1108 DBusMessage *m = NULL;
1113 dbus_error_init(&error);
1118 STRV_FOREACH(name, args+1) {
1121 if (!(m = dbus_message_new_method_call(
1122 "org.freedesktop.systemd1",
1123 "/org/freedesktop/systemd1",
1124 "org.freedesktop.systemd1.Manager",
1126 log_error("Could not allocate message.");
1131 if (!dbus_message_append_args(m,
1132 DBUS_TYPE_STRING, name,
1133 DBUS_TYPE_INVALID)) {
1134 log_error("Could not append arguments to message.");
1139 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1140 log_error("Failed to issue method call: %s", bus_error_message(&error));
1145 dbus_message_unref(m);
1146 dbus_message_unref(reply);
1155 dbus_message_unref(m);
1157 dbus_error_free(&error);
1162 static int cancel_job(DBusConnection *bus, char **args) {
1163 DBusMessage *m = NULL, *reply = NULL;
1168 dbus_error_init(&error);
1173 if (strv_length(args) <= 1)
1174 return daemon_reload(bus, args);
1176 STRV_FOREACH(name, args+1) {
1180 if (!(m = dbus_message_new_method_call(
1181 "org.freedesktop.systemd1",
1182 "/org/freedesktop/systemd1",
1183 "org.freedesktop.systemd1.Manager",
1185 log_error("Could not allocate message.");
1190 if ((r = safe_atou(*name, &id)) < 0) {
1191 log_error("Failed to parse job id: %s", strerror(-r));
1195 assert_cc(sizeof(uint32_t) == sizeof(id));
1196 if (!dbus_message_append_args(m,
1197 DBUS_TYPE_UINT32, &id,
1198 DBUS_TYPE_INVALID)) {
1199 log_error("Could not append arguments to message.");
1204 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1205 log_error("Failed to issue method call: %s", bus_error_message(&error));
1210 if (!dbus_message_get_args(reply, &error,
1211 DBUS_TYPE_OBJECT_PATH, &path,
1212 DBUS_TYPE_INVALID)) {
1213 log_error("Failed to parse reply: %s", bus_error_message(&error));
1218 dbus_message_unref(m);
1219 if (!(m = dbus_message_new_method_call(
1220 "org.freedesktop.systemd1",
1222 "org.freedesktop.systemd1.Job",
1224 log_error("Could not allocate message.");
1229 dbus_message_unref(reply);
1230 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1231 log_error("Failed to issue method call: %s", bus_error_message(&error));
1236 dbus_message_unref(m);
1237 dbus_message_unref(reply);
1245 dbus_message_unref(m);
1248 dbus_message_unref(reply);
1250 dbus_error_free(&error);
1255 static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
1256 DBusMessage *m = NULL, *reply = NULL;
1257 dbus_bool_t b = FALSE;
1258 DBusMessageIter iter, sub;
1260 *interface = "org.freedesktop.systemd1.Unit",
1261 *property = "NeedDaemonReload",
1264 /* We ignore all errors here, since this is used to show a warning only */
1266 if (!(m = dbus_message_new_method_call(
1267 "org.freedesktop.systemd1",
1268 "/org/freedesktop/systemd1",
1269 "org.freedesktop.systemd1.Manager",
1273 if (!dbus_message_append_args(m,
1274 DBUS_TYPE_STRING, &unit,
1278 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1281 if (!dbus_message_get_args(reply, NULL,
1282 DBUS_TYPE_OBJECT_PATH, &path,
1286 dbus_message_unref(m);
1287 if (!(m = dbus_message_new_method_call(
1288 "org.freedesktop.systemd1",
1290 "org.freedesktop.DBus.Properties",
1294 if (!dbus_message_append_args(m,
1295 DBUS_TYPE_STRING, &interface,
1296 DBUS_TYPE_STRING, &property,
1297 DBUS_TYPE_INVALID)) {
1301 dbus_message_unref(reply);
1302 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
1305 if (!dbus_message_iter_init(reply, &iter) ||
1306 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
1309 dbus_message_iter_recurse(&iter, &sub);
1311 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
1314 dbus_message_iter_get_basic(&sub, &b);
1318 dbus_message_unref(m);
1321 dbus_message_unref(reply);
1326 typedef struct WaitData {
1331 static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
1339 dbus_error_init(&error);
1341 log_debug("Got D-Bus request: %s.%s() on %s",
1342 dbus_message_get_interface(message),
1343 dbus_message_get_member(message),
1344 dbus_message_get_path(message));
1346 if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
1347 log_error("Warning! D-Bus connection terminated.");
1348 dbus_connection_close(connection);
1350 } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
1352 const char *path, *result;
1353 dbus_bool_t success = true;
1355 if (dbus_message_get_args(message, &error,
1356 DBUS_TYPE_UINT32, &id,
1357 DBUS_TYPE_OBJECT_PATH, &path,
1358 DBUS_TYPE_STRING, &result,
1359 DBUS_TYPE_INVALID)) {
1362 if ((p = set_remove(d->set, (char*) path)))
1366 d->result = strdup(result);
1371 dbus_error_free(&error);
1373 if (dbus_message_get_args(message, &error,
1374 DBUS_TYPE_UINT32, &id,
1375 DBUS_TYPE_OBJECT_PATH, &path,
1376 DBUS_TYPE_BOOLEAN, &success,
1377 DBUS_TYPE_INVALID)) {
1380 /* Compatibility with older systemd versions <
1381 * 19 during upgrades. This should be dropped
1384 if ((p = set_remove(d->set, (char*) path)))
1388 d->result = strdup("failed");
1394 log_error("Failed to parse message: %s", bus_error_message(&error));
1398 dbus_error_free(&error);
1399 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1402 static int enable_wait_for_jobs(DBusConnection *bus) {
1410 dbus_error_init(&error);
1411 dbus_bus_add_match(bus,
1413 "sender='org.freedesktop.systemd1',"
1414 "interface='org.freedesktop.systemd1.Manager',"
1415 "member='JobRemoved',"
1416 "path='/org/freedesktop/systemd1'",
1419 if (dbus_error_is_set(&error)) {
1420 log_error("Failed to add match: %s", bus_error_message(&error));
1421 dbus_error_free(&error);
1425 /* This is slightly dirty, since we don't undo the match registrations. */
1429 static int wait_for_jobs(DBusConnection *bus, Set *s) {
1439 if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
1440 log_error("Failed to add filter.");
1445 while (!set_isempty(s) &&
1446 dbus_connection_read_write_dispatch(bus, -1))
1449 if (!arg_quiet && d.result) {
1450 if (streq(d.result, "timeout"))
1451 log_error("Job timed out.");
1452 else if (streq(d.result, "canceled"))
1453 log_error("Job canceled.");
1454 else if (streq(d.result, "dependency"))
1455 log_error("A dependency job failed. See system journal for details.");
1456 else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
1457 log_error("Job failed. See system journal and 'systemctl status' for details.");
1460 if (streq_ptr(d.result, "timeout"))
1462 else if (streq_ptr(d.result, "canceled"))
1464 else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
1472 /* This is slightly dirty, since we don't undo the filter registration. */
1477 static int start_unit_one(
1478 DBusConnection *bus,
1485 DBusMessage *m = NULL, *reply = NULL;
1494 assert(arg_no_block || s);
1496 if (!(m = dbus_message_new_method_call(
1497 "org.freedesktop.systemd1",
1498 "/org/freedesktop/systemd1",
1499 "org.freedesktop.systemd1.Manager",
1501 log_error("Could not allocate message.");
1506 if (!dbus_message_append_args(m,
1507 DBUS_TYPE_STRING, &name,
1508 DBUS_TYPE_STRING, &mode,
1509 DBUS_TYPE_INVALID)) {
1510 log_error("Could not append arguments to message.");
1515 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
1517 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
1518 /* There's always a fallback possible for
1519 * legacy actions. */
1524 log_error("Failed to issue method call: %s", bus_error_message(error));
1529 if (!dbus_message_get_args(reply, error,
1530 DBUS_TYPE_OBJECT_PATH, &path,
1531 DBUS_TYPE_INVALID)) {
1532 log_error("Failed to parse reply: %s", bus_error_message(error));
1537 if (need_daemon_reload(bus, name))
1538 log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
1539 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
1541 if (!arg_no_block) {
1544 if (!(p = strdup(path))) {
1545 log_error("Failed to duplicate path.");
1550 if ((r = set_put(s, p)) < 0) {
1552 log_error("Failed to add path to set.");
1561 dbus_message_unref(m);
1564 dbus_message_unref(reply);
1569 static enum action verb_to_action(const char *verb) {
1570 if (streq(verb, "halt"))
1572 else if (streq(verb, "poweroff"))
1573 return ACTION_POWEROFF;
1574 else if (streq(verb, "reboot"))
1575 return ACTION_REBOOT;
1576 else if (streq(verb, "kexec"))
1577 return ACTION_KEXEC;
1578 else if (streq(verb, "rescue"))
1579 return ACTION_RESCUE;
1580 else if (streq(verb, "emergency"))
1581 return ACTION_EMERGENCY;
1582 else if (streq(verb, "default"))
1583 return ACTION_DEFAULT;
1584 else if (streq(verb, "exit"))
1587 return ACTION_INVALID;
1590 static int start_unit(DBusConnection *bus, char **args) {
1592 static const char * const table[_ACTION_MAX] = {
1593 [ACTION_HALT] = SPECIAL_HALT_TARGET,
1594 [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
1595 [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
1596 [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
1597 [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
1598 [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
1599 [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
1600 [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
1601 [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
1602 [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
1603 [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
1604 [ACTION_EXIT] = SPECIAL_EXIT_TARGET
1608 const char *method, *mode, *one_name;
1613 dbus_error_init(&error);
1617 ask_password_agent_open_if_enabled();
1619 if (arg_action == ACTION_SYSTEMCTL) {
1621 streq(args[0], "stop") ||
1622 streq(args[0], "condstop") ? "StopUnit" :
1623 streq(args[0], "reload") ? "ReloadUnit" :
1624 streq(args[0], "restart") ? "RestartUnit" :
1626 streq(args[0], "try-restart") ||
1627 streq(args[0], "condrestart") ? "TryRestartUnit" :
1629 streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
1631 streq(args[0], "reload-or-try-restart") ||
1632 streq(args[0], "condreload") ||
1634 streq(args[0], "force-reload") ? "ReloadOrTryRestartUnit" :
1638 (streq(args[0], "isolate") ||
1639 streq(args[0], "rescue") ||
1640 streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
1642 one_name = table[verb_to_action(args[0])];
1645 assert(arg_action < ELEMENTSOF(table));
1646 assert(table[arg_action]);
1648 method = "StartUnit";
1650 mode = (arg_action == ACTION_EMERGENCY ||
1651 arg_action == ACTION_RESCUE ||
1652 arg_action == ACTION_RUNLEVEL2 ||
1653 arg_action == ACTION_RUNLEVEL3 ||
1654 arg_action == ACTION_RUNLEVEL4 ||
1655 arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
1657 one_name = table[arg_action];
1660 if (!arg_no_block) {
1661 if ((ret = enable_wait_for_jobs(bus)) < 0) {
1662 log_error("Could not watch jobs: %s", strerror(-ret));
1666 if (!(s = set_new(string_hash_func, string_compare_func))) {
1667 log_error("Failed to allocate set.");
1674 if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
1677 STRV_FOREACH(name, args+1)
1678 if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) {
1679 ret = translate_bus_error_to_exit_status(r, &error);
1680 dbus_error_free(&error);
1685 if ((r = wait_for_jobs(bus, s)) < 0) {
1694 dbus_error_free(&error);
1699 /* Ask systemd-logind, which might grant access to unprivileged users
1700 * through PolicyKit */
1701 static int reboot_with_logind(DBusConnection *bus, enum action a) {
1704 DBusMessage *m = NULL, *reply = NULL;
1706 dbus_bool_t interactive = true;
1709 dbus_error_init(&error);
1711 polkit_agent_open_if_enabled();
1719 case ACTION_POWEROFF:
1720 method = "PowerOff";
1727 m = dbus_message_new_method_call(
1728 "org.freedesktop.login1",
1729 "/org/freedesktop/login1",
1730 "org.freedesktop.login1.Manager",
1733 log_error("Could not allocate message.");
1738 if (!dbus_message_append_args(m,
1739 DBUS_TYPE_BOOLEAN, &interactive,
1740 DBUS_TYPE_INVALID)) {
1741 log_error("Could not append arguments to message.");
1746 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
1748 if (error_is_no_service(&error)) {
1749 log_debug("Failed to issue method call: %s", bus_error_message(&error));
1754 if (dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
1755 log_debug("Failed to issue method call: %s", bus_error_message(&error));
1760 log_info("Failed to issue method call: %s", bus_error_message(&error));
1769 dbus_message_unref(m);
1772 dbus_message_unref(reply);
1774 dbus_error_free(&error);
1782 static int start_special(DBusConnection *bus, char **args) {
1788 a = verb_to_action(args[0]);
1790 if (arg_force >= 2 && geteuid() != 0) {
1791 log_error("Must be root.");
1795 if (arg_force >= 2 &&
1796 (a == ACTION_HALT ||
1797 a == ACTION_POWEROFF ||
1798 a == ACTION_REBOOT))
1801 if (arg_force >= 1 &&
1802 (a == ACTION_HALT ||
1803 a == ACTION_POWEROFF ||
1804 a == ACTION_REBOOT ||
1805 a == ACTION_KEXEC ||
1807 return daemon_reload(bus, args);
1809 /* first try logind, to allow authentication with polkit */
1810 if (geteuid() != 0 &&
1811 (a == ACTION_POWEROFF ||
1812 a == ACTION_REBOOT)) {
1813 r = reboot_with_logind(bus, a);
1818 r = start_unit(bus, args);
1825 static int check_unit(DBusConnection *bus, char **args) {
1826 DBusMessage *m = NULL, *reply = NULL;
1828 *interface = "org.freedesktop.systemd1.Unit",
1829 *property = "ActiveState";
1830 int r = 3; /* According to LSB: "program is not running" */
1837 dbus_error_init(&error);
1839 STRV_FOREACH(name, args+1) {
1840 const char *path = NULL;
1842 DBusMessageIter iter, sub;
1844 if (!(m = dbus_message_new_method_call(
1845 "org.freedesktop.systemd1",
1846 "/org/freedesktop/systemd1",
1847 "org.freedesktop.systemd1.Manager",
1849 log_error("Could not allocate message.");
1854 if (!dbus_message_append_args(m,
1855 DBUS_TYPE_STRING, name,
1856 DBUS_TYPE_INVALID)) {
1857 log_error("Could not append arguments to message.");
1862 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1864 /* Hmm, cannot figure out anything about this unit... */
1868 dbus_error_free(&error);
1869 dbus_message_unref(m);
1874 if (!dbus_message_get_args(reply, &error,
1875 DBUS_TYPE_OBJECT_PATH, &path,
1876 DBUS_TYPE_INVALID)) {
1877 log_error("Failed to parse reply: %s", bus_error_message(&error));
1882 dbus_message_unref(m);
1883 if (!(m = dbus_message_new_method_call(
1884 "org.freedesktop.systemd1",
1886 "org.freedesktop.DBus.Properties",
1888 log_error("Could not allocate message.");
1893 if (!dbus_message_append_args(m,
1894 DBUS_TYPE_STRING, &interface,
1895 DBUS_TYPE_STRING, &property,
1896 DBUS_TYPE_INVALID)) {
1897 log_error("Could not append arguments to message.");
1902 dbus_message_unref(reply);
1903 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1904 log_error("Failed to issue method call: %s", bus_error_message(&error));
1909 if (!dbus_message_iter_init(reply, &iter) ||
1910 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
1911 log_error("Failed to parse reply.");
1916 dbus_message_iter_recurse(&iter, &sub);
1918 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
1919 log_error("Failed to parse reply.");
1924 dbus_message_iter_get_basic(&sub, &state);
1929 if (streq(state, "active") || streq(state, "reloading"))
1932 dbus_message_unref(m);
1933 dbus_message_unref(reply);
1939 dbus_message_unref(m);
1942 dbus_message_unref(reply);
1944 dbus_error_free(&error);
1949 static int kill_unit(DBusConnection *bus, char **args) {
1950 DBusMessage *m = NULL;
1958 dbus_error_init(&error);
1961 arg_kill_who = "all";
1964 arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
1966 STRV_FOREACH(name, args+1) {
1969 if (!(m = dbus_message_new_method_call(
1970 "org.freedesktop.systemd1",
1971 "/org/freedesktop/systemd1",
1972 "org.freedesktop.systemd1.Manager",
1974 log_error("Could not allocate message.");
1979 if (!dbus_message_append_args(m,
1980 DBUS_TYPE_STRING, name,
1981 DBUS_TYPE_STRING, &arg_kill_who,
1982 DBUS_TYPE_STRING, &arg_kill_mode,
1983 DBUS_TYPE_INT32, &arg_signal,
1984 DBUS_TYPE_INVALID)) {
1985 log_error("Could not append arguments to message.");
1990 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
1991 log_error("Failed to issue method call: %s", bus_error_message(&error));
1992 dbus_error_free(&error);
1996 dbus_message_unref(m);
1999 dbus_message_unref(reply);
2005 dbus_message_unref(m);
2007 dbus_error_free(&error);
2012 typedef struct ExecStatusInfo {
2020 usec_t start_timestamp;
2021 usec_t exit_timestamp;
2026 LIST_FIELDS(struct ExecStatusInfo, exec);
2029 static void exec_status_info_free(ExecStatusInfo *i) {
2038 static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
2039 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
2040 DBusMessageIter sub2, sub3;
2044 int32_t code, status;
2050 if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
2053 dbus_message_iter_recurse(sub, &sub2);
2055 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
2058 if (!(i->path = strdup(path)))
2061 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
2062 dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
2066 dbus_message_iter_recurse(&sub2, &sub3);
2067 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
2068 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
2069 dbus_message_iter_next(&sub3);
2074 if (!(i->argv = new0(char*, n+1)))
2078 dbus_message_iter_recurse(&sub2, &sub3);
2079 while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
2082 assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
2083 dbus_message_iter_get_basic(&sub3, &s);
2084 dbus_message_iter_next(&sub3);
2086 if (!(i->argv[n++] = strdup(s)))
2090 if (!dbus_message_iter_next(&sub2) ||
2091 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
2092 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
2093 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 ||
2094 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
2095 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 ||
2096 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
2097 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
2098 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
2102 i->start_timestamp = (usec_t) start_timestamp;
2103 i->exit_timestamp = (usec_t) exit_timestamp;
2104 i->pid = (pid_t) pid;
2111 typedef struct UnitStatusInfo {
2113 const char *load_state;
2114 const char *active_state;
2115 const char *sub_state;
2116 const char *unit_file_state;
2118 const char *description;
2119 const char *following;
2122 const char *default_control_group;
2124 const char *load_error;
2127 usec_t inactive_exit_timestamp;
2128 usec_t inactive_exit_timestamp_monotonic;
2129 usec_t active_enter_timestamp;
2130 usec_t active_exit_timestamp;
2131 usec_t inactive_enter_timestamp;
2133 bool need_daemon_reload;
2138 const char *status_text;
2140 #ifdef HAVE_SYSV_COMPAT
2144 usec_t start_timestamp;
2145 usec_t exit_timestamp;
2147 int exit_code, exit_status;
2149 usec_t condition_timestamp;
2150 bool condition_result;
2153 unsigned n_accepted;
2154 unsigned n_connections;
2158 const char *sysfs_path;
2160 /* Mount, Automount */
2166 LIST_HEAD(ExecStatusInfo, exec);
2169 static void print_status_info(UnitStatusInfo *i) {
2171 const char *on, *off, *ss;
2173 char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
2174 char since2[FORMAT_TIMESTAMP_MAX], *s2;
2178 /* This shows pretty information about a unit. See
2179 * print_property() for a low-level property printer */
2181 printf("%s", strna(i->id));
2183 if (i->description && !streq_ptr(i->id, i->description))
2184 printf(" - %s", i->description);
2189 printf("\t Follow: unit currently follows state of %s\n", i->following);
2191 if (streq_ptr(i->load_state, "error")) {
2192 on = ansi_highlight_red(true);
2193 off = ansi_highlight_red(false);
2198 printf("\t Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error);
2199 else if (i->path && i->unit_file_state)
2200 printf("\t Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state);
2202 printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
2204 printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
2206 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
2208 if (streq_ptr(i->active_state, "failed")) {
2209 on = ansi_highlight_red(true);
2210 off = ansi_highlight_red(false);
2211 } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
2212 on = ansi_highlight_green(true);
2213 off = ansi_highlight_green(false);
2218 printf("\t Active: %s%s (%s)%s",
2220 strna(i->active_state),
2224 printf("\t Active: %s%s%s",
2226 strna(i->active_state),
2229 if (!isempty(i->result) && !streq(i->result, "success"))
2230 printf(" (Result: %s)", i->result);
2232 timestamp = (streq_ptr(i->active_state, "active") ||
2233 streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
2234 (streq_ptr(i->active_state, "inactive") ||
2235 streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
2236 streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
2237 i->active_exit_timestamp;
2239 s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
2240 s2 = format_timestamp(since2, sizeof(since2), timestamp);
2243 printf(" since %s; %s\n", s2, s1);
2245 printf(" since %s\n", s2);
2249 if (!i->condition_result && i->condition_timestamp > 0) {
2250 s1 = format_timestamp_pretty(since1, sizeof(since1), i->condition_timestamp);
2251 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
2254 printf("\t start condition failed at %s; %s\n", s2, s1);
2256 printf("\t start condition failed at %s\n", s2);
2260 printf("\t Device: %s\n", i->sysfs_path);
2262 printf("\t Where: %s\n", i->where);
2264 printf("\t What: %s\n", i->what);
2267 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
2269 LIST_FOREACH(exec, p, i->exec) {
2273 /* Only show exited processes here */
2277 t = strv_join(p->argv, " ");
2278 printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
2281 #ifdef HAVE_SYSV_COMPAT
2283 good = is_clean_exit_lsb(p->code, p->status);
2286 good = is_clean_exit(p->code, p->status);
2289 on = ansi_highlight_red(true);
2290 off = ansi_highlight_red(false);
2294 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
2296 if (p->code == CLD_EXITED) {
2299 printf("status=%i", p->status);
2301 #ifdef HAVE_SYSV_COMPAT
2302 if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
2304 if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
2309 printf("signal=%s", signal_to_string(p->status));
2311 printf(")%s\n", off);
2313 if (i->main_pid == p->pid &&
2314 i->start_timestamp == p->start_timestamp &&
2315 i->exit_timestamp == p->start_timestamp)
2316 /* Let's not show this twice */
2319 if (p->pid == i->control_pid)
2323 if (i->main_pid > 0 || i->control_pid > 0) {
2326 if (i->main_pid > 0) {
2327 printf("Main PID: %u", (unsigned) i->main_pid);
2331 get_process_comm(i->main_pid, &t);
2336 } else if (i->exit_code > 0) {
2337 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
2339 if (i->exit_code == CLD_EXITED) {
2342 printf("status=%i", i->exit_status);
2344 #ifdef HAVE_SYSV_COMPAT
2345 if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
2347 if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
2352 printf("signal=%s", signal_to_string(i->exit_status));
2357 if (i->main_pid > 0 && i->control_pid > 0)
2360 if (i->control_pid > 0) {
2363 printf(" Control: %u", (unsigned) i->control_pid);
2365 get_process_comm(i->control_pid, &t);
2376 printf("\t Status: \"%s\"\n", i->status_text);
2378 if (i->default_control_group) {
2381 printf("\t CGroup: %s\n", i->default_control_group);
2383 if (arg_transport != TRANSPORT_SSH) {
2393 if (i->main_pid > 0)
2394 extra[k++] = i->main_pid;
2396 if (i->control_pid > 0)
2397 extra[k++] = i->control_pid;
2399 show_cgroup_and_extra_by_spec(i->default_control_group, "\t\t ", c, false, arg_all, extra, k);
2403 if (i->id && arg_transport != TRANSPORT_SSH) {
2405 show_journal_by_unit(i->id, arg_output, 0, i->inactive_exit_timestamp_monotonic, arg_lines, arg_all, arg_follow);
2408 if (i->need_daemon_reload)
2409 printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
2410 ansi_highlight_red(true),
2411 ansi_highlight_red(false),
2412 arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
2415 static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
2421 switch (dbus_message_iter_get_arg_type(iter)) {
2423 case DBUS_TYPE_STRING: {
2426 dbus_message_iter_get_basic(iter, &s);
2429 if (streq(name, "Id"))
2431 else if (streq(name, "LoadState"))
2433 else if (streq(name, "ActiveState"))
2434 i->active_state = s;
2435 else if (streq(name, "SubState"))
2437 else if (streq(name, "Description"))
2439 else if (streq(name, "FragmentPath"))
2441 #ifdef HAVE_SYSV_COMPAT
2442 else if (streq(name, "SysVPath")) {
2447 else if (streq(name, "DefaultControlGroup"))
2448 i->default_control_group = s;
2449 else if (streq(name, "StatusText"))
2451 else if (streq(name, "SysFSPath"))
2453 else if (streq(name, "Where"))
2455 else if (streq(name, "What"))
2457 else if (streq(name, "Following"))
2459 else if (streq(name, "UnitFileState"))
2460 i->unit_file_state = s;
2461 else if (streq(name, "Result"))
2468 case DBUS_TYPE_BOOLEAN: {
2471 dbus_message_iter_get_basic(iter, &b);
2473 if (streq(name, "Accept"))
2475 else if (streq(name, "NeedDaemonReload"))
2476 i->need_daemon_reload = b;
2477 else if (streq(name, "ConditionResult"))
2478 i->condition_result = b;
2483 case DBUS_TYPE_UINT32: {
2486 dbus_message_iter_get_basic(iter, &u);
2488 if (streq(name, "MainPID")) {
2490 i->main_pid = (pid_t) u;
2493 } else if (streq(name, "ControlPID"))
2494 i->control_pid = (pid_t) u;
2495 else if (streq(name, "ExecMainPID")) {
2497 i->main_pid = (pid_t) u;
2498 } else if (streq(name, "NAccepted"))
2500 else if (streq(name, "NConnections"))
2501 i->n_connections = u;
2506 case DBUS_TYPE_INT32: {
2509 dbus_message_iter_get_basic(iter, &j);
2511 if (streq(name, "ExecMainCode"))
2512 i->exit_code = (int) j;
2513 else if (streq(name, "ExecMainStatus"))
2514 i->exit_status = (int) j;
2519 case DBUS_TYPE_UINT64: {
2522 dbus_message_iter_get_basic(iter, &u);
2524 if (streq(name, "ExecMainStartTimestamp"))
2525 i->start_timestamp = (usec_t) u;
2526 else if (streq(name, "ExecMainExitTimestamp"))
2527 i->exit_timestamp = (usec_t) u;
2528 else if (streq(name, "ActiveEnterTimestamp"))
2529 i->active_enter_timestamp = (usec_t) u;
2530 else if (streq(name, "InactiveEnterTimestamp"))
2531 i->inactive_enter_timestamp = (usec_t) u;
2532 else if (streq(name, "InactiveExitTimestamp"))
2533 i->inactive_exit_timestamp = (usec_t) u;
2534 else if (streq(name, "InactiveExitTimestampMonotonic"))
2535 i->inactive_exit_timestamp_monotonic = (usec_t) u;
2536 else if (streq(name, "ActiveExitTimestamp"))
2537 i->active_exit_timestamp = (usec_t) u;
2538 else if (streq(name, "ConditionTimestamp"))
2539 i->condition_timestamp = (usec_t) u;
2544 case DBUS_TYPE_ARRAY: {
2546 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
2547 startswith(name, "Exec")) {
2548 DBusMessageIter sub;
2550 dbus_message_iter_recurse(iter, &sub);
2551 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2552 ExecStatusInfo *info;
2555 if (!(info = new0(ExecStatusInfo, 1)))
2558 if (!(info->name = strdup(name))) {
2563 if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
2568 LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
2570 dbus_message_iter_next(&sub);
2577 case DBUS_TYPE_STRUCT: {
2579 if (streq(name, "LoadError")) {
2580 DBusMessageIter sub;
2581 const char *n, *message;
2584 dbus_message_iter_recurse(iter, &sub);
2586 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true);
2590 r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false);
2594 if (!isempty(message))
2595 i->load_error = message;
2605 static int print_property(const char *name, DBusMessageIter *iter) {
2609 /* This is a low-level property printer, see
2610 * print_status_info() for the nicer output */
2612 if (arg_property && !strv_find(arg_property, name))
2615 switch (dbus_message_iter_get_arg_type(iter)) {
2617 case DBUS_TYPE_STRUCT: {
2618 DBusMessageIter sub;
2619 dbus_message_iter_recurse(iter, &sub);
2621 if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
2624 dbus_message_iter_get_basic(&sub, &u);
2627 printf("%s=%u\n", name, (unsigned) u);
2629 printf("%s=\n", name);
2632 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
2635 dbus_message_iter_get_basic(&sub, &s);
2637 if (arg_all || s[0])
2638 printf("%s=%s\n", name, s);
2641 } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) {
2642 const char *a = NULL, *b = NULL;
2644 if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0)
2645 bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false);
2647 if (arg_all || !isempty(a) || !isempty(b))
2648 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
2656 case DBUS_TYPE_ARRAY:
2658 if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
2659 DBusMessageIter sub, sub2;
2661 dbus_message_iter_recurse(iter, &sub);
2662 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2666 dbus_message_iter_recurse(&sub, &sub2);
2668 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
2669 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
2670 printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
2672 dbus_message_iter_next(&sub);
2677 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
2678 DBusMessageIter sub, sub2;
2680 dbus_message_iter_recurse(iter, &sub);
2681 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2682 const char *type, *path;
2684 dbus_message_iter_recurse(&sub, &sub2);
2686 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
2687 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
2688 printf("%s=%s\n", type, path);
2690 dbus_message_iter_next(&sub);
2695 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
2696 DBusMessageIter sub, sub2;
2698 dbus_message_iter_recurse(iter, &sub);
2699 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2701 uint64_t value, next_elapse;
2703 dbus_message_iter_recurse(&sub, &sub2);
2705 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
2706 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
2707 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) {
2708 char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
2710 printf("%s={ value=%s ; next_elapse=%s }\n",
2712 format_timespan(timespan1, sizeof(timespan1), value),
2713 format_timespan(timespan2, sizeof(timespan2), next_elapse));
2716 dbus_message_iter_next(&sub);
2721 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "ControlGroupAttributes")) {
2722 DBusMessageIter sub, sub2;
2724 dbus_message_iter_recurse(iter, &sub);
2725 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2726 const char *controller, *attr, *value;
2728 dbus_message_iter_recurse(&sub, &sub2);
2730 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &controller, true) >= 0 &&
2731 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &attr, true) >= 0 &&
2732 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &value, false) >= 0) {
2734 printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n",
2740 dbus_message_iter_next(&sub);
2745 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
2746 DBusMessageIter sub;
2748 dbus_message_iter_recurse(iter, &sub);
2749 while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
2750 ExecStatusInfo info;
2753 if (exec_status_info_deserialize(&sub, &info) >= 0) {
2754 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
2757 t = strv_join(info.argv, " ");
2759 printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
2763 yes_no(info.ignore),
2764 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
2765 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
2766 (unsigned) info. pid,
2767 sigchld_code_to_string(info.code),
2769 info.code == CLD_EXITED ? "" : "/",
2770 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
2776 strv_free(info.argv);
2778 dbus_message_iter_next(&sub);
2787 if (generic_print_property(name, iter, arg_all) > 0)
2791 printf("%s=[unprintable]\n", name);
2796 static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
2797 DBusMessage *m = NULL, *reply = NULL;
2798 const char *interface = "";
2801 DBusMessageIter iter, sub, sub2, sub3;
2802 UnitStatusInfo info;
2810 dbus_error_init(&error);
2812 if (!(m = dbus_message_new_method_call(
2813 "org.freedesktop.systemd1",
2815 "org.freedesktop.DBus.Properties",
2817 log_error("Could not allocate message.");
2822 if (!dbus_message_append_args(m,
2823 DBUS_TYPE_STRING, &interface,
2824 DBUS_TYPE_INVALID)) {
2825 log_error("Could not append arguments to message.");
2830 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2831 log_error("Failed to issue method call: %s", bus_error_message(&error));
2836 if (!dbus_message_iter_init(reply, &iter) ||
2837 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
2838 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
2839 log_error("Failed to parse reply.");
2844 dbus_message_iter_recurse(&iter, &sub);
2851 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
2854 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
2855 log_error("Failed to parse reply.");
2860 dbus_message_iter_recurse(&sub, &sub2);
2862 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
2863 log_error("Failed to parse reply.");
2868 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
2869 log_error("Failed to parse reply.");
2874 dbus_message_iter_recurse(&sub2, &sub3);
2876 if (show_properties)
2877 r = print_property(name, &sub3);
2879 r = status_property(name, &sub3, &info);
2882 log_error("Failed to parse reply.");
2887 dbus_message_iter_next(&sub);
2892 if (!show_properties)
2893 print_status_info(&info);
2895 if (!streq_ptr(info.active_state, "active") &&
2896 !streq_ptr(info.active_state, "reloading") &&
2897 streq(verb, "status"))
2898 /* According to LSB: "program not running" */
2901 while ((p = info.exec)) {
2902 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
2903 exec_status_info_free(p);
2908 dbus_message_unref(m);
2911 dbus_message_unref(reply);
2913 dbus_error_free(&error);
2918 static int show(DBusConnection *bus, char **args) {
2919 DBusMessage *m = NULL, *reply = NULL;
2922 bool show_properties, new_line = false;
2928 dbus_error_init(&error);
2930 show_properties = !streq(args[0], "status");
2932 if (show_properties)
2933 pager_open_if_enabled();
2935 if (show_properties && strv_length(args) <= 1) {
2936 /* If not argument is specified inspect the manager
2939 ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
2943 STRV_FOREACH(name, args+1) {
2944 const char *path = NULL;
2947 if (safe_atou32(*name, &id) < 0) {
2949 /* Interpret as unit name */
2951 if (!(m = dbus_message_new_method_call(
2952 "org.freedesktop.systemd1",
2953 "/org/freedesktop/systemd1",
2954 "org.freedesktop.systemd1.Manager",
2956 log_error("Could not allocate message.");
2961 if (!dbus_message_append_args(m,
2962 DBUS_TYPE_STRING, name,
2963 DBUS_TYPE_INVALID)) {
2964 log_error("Could not append arguments to message.");
2969 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2971 if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
2972 log_error("Failed to issue method call: %s", bus_error_message(&error));
2977 dbus_error_free(&error);
2979 dbus_message_unref(m);
2980 if (!(m = dbus_message_new_method_call(
2981 "org.freedesktop.systemd1",
2982 "/org/freedesktop/systemd1",
2983 "org.freedesktop.systemd1.Manager",
2985 log_error("Could not allocate message.");
2990 if (!dbus_message_append_args(m,
2991 DBUS_TYPE_STRING, name,
2992 DBUS_TYPE_INVALID)) {
2993 log_error("Could not append arguments to message.");
2998 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
2999 log_error("Failed to issue method call: %s", bus_error_message(&error));
3001 if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
3002 ret = 4; /* According to LSB: "program or service status is unknown" */
3009 } else if (show_properties) {
3011 /* Interpret as job id */
3013 if (!(m = dbus_message_new_method_call(
3014 "org.freedesktop.systemd1",
3015 "/org/freedesktop/systemd1",
3016 "org.freedesktop.systemd1.Manager",
3018 log_error("Could not allocate message.");
3023 if (!dbus_message_append_args(m,
3024 DBUS_TYPE_UINT32, &id,
3025 DBUS_TYPE_INVALID)) {
3026 log_error("Could not append arguments to message.");
3031 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3032 log_error("Failed to issue method call: %s", bus_error_message(&error));
3038 /* Interpret as PID */
3040 if (!(m = dbus_message_new_method_call(
3041 "org.freedesktop.systemd1",
3042 "/org/freedesktop/systemd1",
3043 "org.freedesktop.systemd1.Manager",
3045 log_error("Could not allocate message.");
3050 if (!dbus_message_append_args(m,
3051 DBUS_TYPE_UINT32, &id,
3052 DBUS_TYPE_INVALID)) {
3053 log_error("Could not append arguments to message.");
3058 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3059 log_error("Failed to issue method call: %s", bus_error_message(&error));
3065 if (!dbus_message_get_args(reply, &error,
3066 DBUS_TYPE_OBJECT_PATH, &path,
3067 DBUS_TYPE_INVALID)) {
3068 log_error("Failed to parse reply: %s", bus_error_message(&error));
3073 if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
3076 dbus_message_unref(m);
3077 dbus_message_unref(reply);
3083 dbus_message_unref(m);
3086 dbus_message_unref(reply);
3088 dbus_error_free(&error);
3093 static int dump(DBusConnection *bus, char **args) {
3094 DBusMessage *m = NULL, *reply = NULL;
3099 dbus_error_init(&error);
3101 pager_open_if_enabled();
3103 if (!(m = dbus_message_new_method_call(
3104 "org.freedesktop.systemd1",
3105 "/org/freedesktop/systemd1",
3106 "org.freedesktop.systemd1.Manager",
3108 log_error("Could not allocate message.");
3112 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3113 log_error("Failed to issue method call: %s", bus_error_message(&error));
3118 if (!dbus_message_get_args(reply, &error,
3119 DBUS_TYPE_STRING, &text,
3120 DBUS_TYPE_INVALID)) {
3121 log_error("Failed to parse reply: %s", bus_error_message(&error));
3126 fputs(text, stdout);
3132 dbus_message_unref(m);
3135 dbus_message_unref(reply);
3137 dbus_error_free(&error);
3142 static int snapshot(DBusConnection *bus, char **args) {
3143 DBusMessage *m = NULL, *reply = NULL;
3146 const char *name = "", *path, *id;
3147 dbus_bool_t cleanup = FALSE;
3148 DBusMessageIter iter, sub;
3150 *interface = "org.freedesktop.systemd1.Unit",
3153 dbus_error_init(&error);
3155 if (!(m = dbus_message_new_method_call(
3156 "org.freedesktop.systemd1",
3157 "/org/freedesktop/systemd1",
3158 "org.freedesktop.systemd1.Manager",
3159 "CreateSnapshot"))) {
3160 log_error("Could not allocate message.");
3164 if (strv_length(args) > 1)
3167 if (!dbus_message_append_args(m,
3168 DBUS_TYPE_STRING, &name,
3169 DBUS_TYPE_BOOLEAN, &cleanup,
3170 DBUS_TYPE_INVALID)) {
3171 log_error("Could not append arguments to message.");
3176 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3177 log_error("Failed to issue method call: %s", bus_error_message(&error));
3182 if (!dbus_message_get_args(reply, &error,
3183 DBUS_TYPE_OBJECT_PATH, &path,
3184 DBUS_TYPE_INVALID)) {
3185 log_error("Failed to parse reply: %s", bus_error_message(&error));
3190 dbus_message_unref(m);
3191 if (!(m = dbus_message_new_method_call(
3192 "org.freedesktop.systemd1",
3194 "org.freedesktop.DBus.Properties",
3196 log_error("Could not allocate message.");
3200 if (!dbus_message_append_args(m,
3201 DBUS_TYPE_STRING, &interface,
3202 DBUS_TYPE_STRING, &property,
3203 DBUS_TYPE_INVALID)) {
3204 log_error("Could not append arguments to message.");
3209 dbus_message_unref(reply);
3210 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3211 log_error("Failed to issue method call: %s", bus_error_message(&error));
3216 if (!dbus_message_iter_init(reply, &iter) ||
3217 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3218 log_error("Failed to parse reply.");
3223 dbus_message_iter_recurse(&iter, &sub);
3225 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
3226 log_error("Failed to parse reply.");
3231 dbus_message_iter_get_basic(&sub, &id);
3239 dbus_message_unref(m);
3242 dbus_message_unref(reply);
3244 dbus_error_free(&error);
3249 static int delete_snapshot(DBusConnection *bus, char **args) {
3250 DBusMessage *m = NULL, *reply = NULL;
3258 dbus_error_init(&error);
3260 STRV_FOREACH(name, args+1) {
3261 const char *path = NULL;
3263 if (!(m = dbus_message_new_method_call(
3264 "org.freedesktop.systemd1",
3265 "/org/freedesktop/systemd1",
3266 "org.freedesktop.systemd1.Manager",
3268 log_error("Could not allocate message.");
3273 if (!dbus_message_append_args(m,
3274 DBUS_TYPE_STRING, name,
3275 DBUS_TYPE_INVALID)) {
3276 log_error("Could not append arguments to message.");
3281 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3282 log_error("Failed to issue method call: %s", bus_error_message(&error));
3287 if (!dbus_message_get_args(reply, &error,
3288 DBUS_TYPE_OBJECT_PATH, &path,
3289 DBUS_TYPE_INVALID)) {
3290 log_error("Failed to parse reply: %s", bus_error_message(&error));
3295 dbus_message_unref(m);
3296 if (!(m = dbus_message_new_method_call(
3297 "org.freedesktop.systemd1",
3299 "org.freedesktop.systemd1.Snapshot",
3301 log_error("Could not allocate message.");
3306 dbus_message_unref(reply);
3307 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3308 log_error("Failed to issue method call: %s", bus_error_message(&error));
3313 dbus_message_unref(m);
3314 dbus_message_unref(reply);
3322 dbus_message_unref(m);
3325 dbus_message_unref(reply);
3327 dbus_error_free(&error);
3332 static int daemon_reload(DBusConnection *bus, char **args) {
3333 DBusMessage *m = NULL, *reply = NULL;
3338 dbus_error_init(&error);
3340 if (arg_action == ACTION_RELOAD)
3342 else if (arg_action == ACTION_REEXEC)
3343 method = "Reexecute";
3345 assert(arg_action == ACTION_SYSTEMCTL);
3348 streq(args[0], "clear-jobs") ||
3349 streq(args[0], "cancel") ? "ClearJobs" :
3350 streq(args[0], "daemon-reexec") ? "Reexecute" :
3351 streq(args[0], "reset-failed") ? "ResetFailed" :
3352 streq(args[0], "halt") ? "Halt" :
3353 streq(args[0], "poweroff") ? "PowerOff" :
3354 streq(args[0], "reboot") ? "Reboot" :
3355 streq(args[0], "kexec") ? "KExec" :
3356 streq(args[0], "exit") ? "Exit" :
3357 /* "daemon-reload" */ "Reload";
3360 if (!(m = dbus_message_new_method_call(
3361 "org.freedesktop.systemd1",
3362 "/org/freedesktop/systemd1",
3363 "org.freedesktop.systemd1.Manager",
3365 log_error("Could not allocate message.");
3369 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3371 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
3372 /* There's always a fallback possible for
3373 * legacy actions. */
3378 if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
3379 /* On reexecution, we expect a disconnect, not
3385 log_error("Failed to issue method call: %s", bus_error_message(&error));
3394 dbus_message_unref(m);
3397 dbus_message_unref(reply);
3399 dbus_error_free(&error);
3404 static int reset_failed(DBusConnection *bus, char **args) {
3405 DBusMessage *m = NULL;
3411 dbus_error_init(&error);
3413 if (strv_length(args) <= 1)
3414 return daemon_reload(bus, args);
3416 STRV_FOREACH(name, args+1) {
3419 if (!(m = dbus_message_new_method_call(
3420 "org.freedesktop.systemd1",
3421 "/org/freedesktop/systemd1",
3422 "org.freedesktop.systemd1.Manager",
3423 "ResetFailedUnit"))) {
3424 log_error("Could not allocate message.");
3429 if (!dbus_message_append_args(m,
3430 DBUS_TYPE_STRING, name,
3431 DBUS_TYPE_INVALID)) {
3432 log_error("Could not append arguments to message.");
3437 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3438 log_error("Failed to issue method call: %s", bus_error_message(&error));
3443 dbus_message_unref(m);
3444 dbus_message_unref(reply);
3452 dbus_message_unref(m);
3454 dbus_error_free(&error);
3459 static int show_enviroment(DBusConnection *bus, char **args) {
3460 DBusMessage *m = NULL, *reply = NULL;
3462 DBusMessageIter iter, sub, sub2;
3465 *interface = "org.freedesktop.systemd1.Manager",
3466 *property = "Environment";
3468 dbus_error_init(&error);
3470 pager_open_if_enabled();
3472 if (!(m = dbus_message_new_method_call(
3473 "org.freedesktop.systemd1",
3474 "/org/freedesktop/systemd1",
3475 "org.freedesktop.DBus.Properties",
3477 log_error("Could not allocate message.");
3481 if (!dbus_message_append_args(m,
3482 DBUS_TYPE_STRING, &interface,
3483 DBUS_TYPE_STRING, &property,
3484 DBUS_TYPE_INVALID)) {
3485 log_error("Could not append arguments to message.");
3490 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3491 log_error("Failed to issue method call: %s", bus_error_message(&error));
3496 if (!dbus_message_iter_init(reply, &iter) ||
3497 dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
3498 log_error("Failed to parse reply.");
3503 dbus_message_iter_recurse(&iter, &sub);
3505 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
3506 dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
3507 log_error("Failed to parse reply.");
3512 dbus_message_iter_recurse(&sub, &sub2);
3514 while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
3517 if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
3518 log_error("Failed to parse reply.");
3523 dbus_message_iter_get_basic(&sub2, &text);
3524 printf("%s\n", text);
3526 dbus_message_iter_next(&sub2);
3533 dbus_message_unref(m);
3536 dbus_message_unref(reply);
3538 dbus_error_free(&error);
3543 static int set_environment(DBusConnection *bus, char **args) {
3544 DBusMessage *m = NULL, *reply = NULL;
3548 DBusMessageIter iter, sub;
3551 dbus_error_init(&error);
3553 method = streq(args[0], "set-environment")
3555 : "UnsetEnvironment";
3557 if (!(m = dbus_message_new_method_call(
3558 "org.freedesktop.systemd1",
3559 "/org/freedesktop/systemd1",
3560 "org.freedesktop.systemd1.Manager",
3563 log_error("Could not allocate message.");
3567 dbus_message_iter_init_append(m, &iter);
3569 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
3570 log_error("Could not append arguments to message.");
3575 STRV_FOREACH(name, args+1)
3576 if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
3577 log_error("Could not append arguments to message.");
3582 if (!dbus_message_iter_close_container(&iter, &sub)) {
3583 log_error("Could not append arguments to message.");
3588 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
3589 log_error("Failed to issue method call: %s", bus_error_message(&error));
3598 dbus_message_unref(m);
3601 dbus_message_unref(reply);
3603 dbus_error_free(&error);
3608 static int enable_sysv_units(char **args) {
3611 #if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX) || defined(TARGET_MAGEIA))
3612 const char *verb = args[0];
3613 unsigned f = 1, t = 1;
3616 if (arg_scope != UNIT_FILE_SYSTEM)
3619 if (!streq(verb, "enable") &&
3620 !streq(verb, "disable") &&
3621 !streq(verb, "is-enabled"))
3624 /* Processes all SysV units, and reshuffles the array so that
3625 * afterwards only the native units remain */
3628 r = lookup_paths_init(&paths, MANAGER_SYSTEM, false);
3634 for (f = 1; args[f]; f++) {
3637 bool found_native = false, found_sysv;
3639 const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
3640 char **k, *l, *q = NULL;
3647 if (!endswith(name, ".service"))
3650 if (path_is_absolute(name))
3653 STRV_FOREACH(k, paths.unit_path) {
3656 if (!isempty(arg_root))
3657 asprintf(&p, "%s/%s/%s", arg_root, *k, name);
3659 asprintf(&p, "%s/%s", *k, name);
3662 log_error("No memory");
3667 found_native = access(p, F_OK) >= 0;
3678 if (!isempty(arg_root))
3679 asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
3681 asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
3683 log_error("No memory");
3688 p[strlen(p) - sizeof(".service") + 1] = 0;
3689 found_sysv = access(p, F_OK) >= 0;
3696 /* Mark this entry, so that we don't try enabling it as native unit */
3697 args[f] = (char*) "";
3699 log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
3701 if (!isempty(arg_root))
3702 argv[c++] = q = strappend("--root=", arg_root);
3704 argv[c++] = file_name_from_path(p);
3706 streq(verb, "enable") ? "on" :
3707 streq(verb, "disable") ? "off" : "--level=5";
3710 l = strv_join((char**)argv, " ");
3712 log_error("No memory.");
3719 log_info("Executing %s", l);
3724 log_error("Failed to fork: %m");
3729 } else if (pid == 0) {
3732 execv(argv[0], (char**) argv);
3733 _exit(EXIT_FAILURE);
3739 j = wait_for_terminate(pid, &status);
3741 log_error("Failed to wait for child: %s", strerror(-r));
3746 if (status.si_code == CLD_EXITED) {
3747 if (streq(verb, "is-enabled")) {
3748 if (status.si_status == 0) {
3757 } else if (status.si_status != 0) {
3768 lookup_paths_free(&paths);
3770 /* Drop all SysV units */
3771 for (f = 1, t = 1; args[f]; f++) {
3773 if (isempty(args[f]))
3776 args[t++] = args[f];
3785 static int enable_unit(DBusConnection *bus, char **args) {
3786 const char *verb = args[0];
3787 UnitFileChange *changes = NULL;
3788 unsigned n_changes = 0, i;
3789 int carries_install_info = -1;
3790 DBusMessage *m = NULL, *reply = NULL;
3794 r = enable_sysv_units(args);
3801 dbus_error_init(&error);
3803 if (!bus || avoid_bus()) {
3804 if (streq(verb, "enable")) {
3805 r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3806 carries_install_info = r;
3807 } else if (streq(verb, "disable"))
3808 r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3809 else if (streq(verb, "reenable")) {
3810 r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3811 carries_install_info = r;
3812 } else if (streq(verb, "link"))
3813 r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3814 else if (streq(verb, "preset")) {
3815 r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3816 carries_install_info = r;
3817 } else if (streq(verb, "mask"))
3818 r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
3819 else if (streq(verb, "unmask"))
3820 r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
3822 assert_not_reached("Unknown verb");
3825 log_error("Operation failed: %s", strerror(-r));
3830 for (i = 0; i < n_changes; i++) {
3831 if (changes[i].type == UNIT_FILE_SYMLINK)
3832 log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
3834 log_info("rm '%s'", changes[i].path);
3840 bool send_force = true, expect_carries_install_info = false;
3842 DBusMessageIter iter, sub, sub2;
3844 if (streq(verb, "enable")) {
3845 method = "EnableUnitFiles";
3846 expect_carries_install_info = true;
3847 } else if (streq(verb, "disable")) {
3848 method = "DisableUnitFiles";
3850 } else if (streq(verb, "reenable")) {
3851 method = "ReenableUnitFiles";
3852 expect_carries_install_info = true;
3853 } else if (streq(verb, "link"))
3854 method = "LinkUnitFiles";
3855 else if (streq(verb, "preset")) {
3856 method = "PresetUnitFiles";
3857 expect_carries_install_info = true;
3858 } else if (streq(verb, "mask"))
3859 method = "MaskUnitFiles";
3860 else if (streq(verb, "unmask")) {
3861 method = "UnmaskUnitFiles";
3864 assert_not_reached("Unknown verb");
3866 m = dbus_message_new_method_call(
3867 "org.freedesktop.systemd1",
3868 "/org/freedesktop/systemd1",
3869 "org.freedesktop.systemd1.Manager",
3872 log_error("Out of memory");
3877 dbus_message_iter_init_append(m, &iter);
3879 r = bus_append_strv_iter(&iter, args+1);
3881 log_error("Failed to append unit files.");
3886 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
3887 log_error("Failed to append runtime boolean.");
3895 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
3896 log_error("Failed to append force boolean.");
3902 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
3904 log_error("Failed to issue method call: %s", bus_error_message(&error));
3909 if (!dbus_message_iter_init(reply, &iter)) {
3910 log_error("Failed to initialize iterator.");
3914 if (expect_carries_install_info) {
3915 r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
3917 log_error("Failed to parse reply.");
3921 carries_install_info = b;
3924 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
3925 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
3926 log_error("Failed to parse reply.");
3931 dbus_message_iter_recurse(&iter, &sub);
3932 while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
3933 const char *type, *path, *source;
3935 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
3936 log_error("Failed to parse reply.");
3941 dbus_message_iter_recurse(&sub, &sub2);
3943 if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
3944 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
3945 bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
3946 log_error("Failed to parse reply.");
3952 if (streq(type, "symlink"))
3953 log_info("ln -s '%s' '%s'", source, path);
3955 log_info("rm '%s'", path);
3958 dbus_message_iter_next(&sub);
3961 /* Try to reload if enabeld */
3963 r = daemon_reload(bus, args);
3966 if (carries_install_info == 0)
3967 log_warning("Warning: unit files do not carry install information. No operation executed.");
3971 dbus_message_unref(m);
3974 dbus_message_unref(reply);
3976 unit_file_changes_free(changes, n_changes);
3978 dbus_error_free(&error);
3982 static int unit_is_enabled(DBusConnection *bus, char **args) {
3985 DBusMessage *m = NULL, *reply = NULL;
3989 dbus_error_init(&error);
3991 r = enable_sysv_units(args);
3997 if (!bus || avoid_bus()) {
3999 STRV_FOREACH(name, args+1) {
4000 UnitFileState state;
4002 state = unit_file_get_state(arg_scope, arg_root, *name);
4008 if (state == UNIT_FILE_ENABLED ||
4009 state == UNIT_FILE_ENABLED_RUNTIME ||
4010 state == UNIT_FILE_STATIC)
4014 puts(unit_file_state_to_string(state));
4018 STRV_FOREACH(name, args+1) {
4021 m = dbus_message_new_method_call(
4022 "org.freedesktop.systemd1",
4023 "/org/freedesktop/systemd1",
4024 "org.freedesktop.systemd1.Manager",
4025 "GetUnitFileState");
4027 log_error("Out of memory");
4032 if (!dbus_message_append_args(m,
4033 DBUS_TYPE_STRING, name,
4034 DBUS_TYPE_INVALID)) {
4035 log_error("Could not append arguments to message.");
4040 reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
4042 log_error("Failed to issue method call: %s", bus_error_message(&error));
4047 if (!dbus_message_get_args(reply, &error,
4048 DBUS_TYPE_STRING, &s,
4049 DBUS_TYPE_INVALID)) {
4050 log_error("Failed to parse reply: %s", bus_error_message(&error));
4055 dbus_message_unref(m);
4056 dbus_message_unref(reply);
4059 if (streq(s, "enabled") ||
4060 streq(s, "enabled-runtime") ||
4069 r = enabled ? 0 : 1;
4073 dbus_message_unref(m);
4076 dbus_message_unref(reply);
4078 dbus_error_free(&error);
4082 static int systemctl_help(void) {
4084 pager_open_if_enabled();
4086 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
4087 "Query or send control commands to the systemd manager.\n\n"
4088 " -h --help Show this help\n"
4089 " --version Show package version\n"
4090 " -t --type=TYPE List only units of a particular type\n"
4091 " -p --property=NAME Show only properties by this name\n"
4092 " -a --all Show all units/properties, including dead/empty ones\n"
4093 " --failed Show only failed units\n"
4094 " --full Don't ellipsize unit names on output\n"
4095 " --fail When queueing a new job, fail if conflicting jobs are\n"
4097 " --ignore-dependencies\n"
4098 " When queueing a new job, ignore all its dependencies\n"
4099 " --kill-who=WHO Who to send signal to\n"
4100 " -s --signal=SIGNAL Which signal to send\n"
4101 " -H --host=[USER@]HOST\n"
4102 " Show information for remote host\n"
4103 " -P --privileged Acquire privileges before execution\n"
4104 " -q --quiet Suppress output\n"
4105 " --no-block Do not wait until operation finished\n"
4106 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4107 " --no-reload When enabling/disabling unit files, don't reload daemon\n"
4109 " --no-legend Do not print a legend (column headers and hints)\n"
4110 " --no-pager Do not pipe output into a pager\n"
4111 " --no-ask-password\n"
4112 " Do not ask for system passwords\n"
4113 " --order When generating graph for dot, show only order\n"
4114 " --require When generating graph for dot, show only requirement\n"
4115 " --system Connect to system manager\n"
4116 " --user Connect to user service manager\n"
4117 " --global Enable/disable unit files globally\n"
4118 " -f --force When enabling unit files, override existing symlinks\n"
4119 " When shutting down, execute action immediately\n"
4120 " --root=PATH Enable unit files in the specified root directory\n"
4121 " --runtime Enable unit files only temporarily until next reboot\n"
4122 " -n --lines=INTEGER Journal entries to show\n"
4123 " --follow Follow journal\n"
4124 " -o --output=STRING Change journal output mode (short, short-monotonic,\n"
4125 " verbose, export, json, cat)\n\n"
4127 " list-units List loaded units\n"
4128 " start [NAME...] Start (activate) one or more units\n"
4129 " stop [NAME...] Stop (deactivate) one or more units\n"
4130 " reload [NAME...] Reload one or more units\n"
4131 " restart [NAME...] Start or restart one or more units\n"
4132 " try-restart [NAME...] Restart one or more units if active\n"
4133 " reload-or-restart [NAME...] Reload one or more units is possible,\n"
4134 " otherwise start or restart\n"
4135 " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
4136 " otherwise restart if active\n"
4137 " isolate [NAME] Start one unit and stop all others\n"
4138 " kill [NAME...] Send signal to processes of a unit\n"
4139 " is-active [NAME...] Check whether units are active\n"
4140 " status [NAME...|PID...] Show runtime status of one or more units\n"
4141 " show [NAME...|JOB...] Show properties of one or more\n"
4142 " units/jobs or the manager\n"
4143 " reset-failed [NAME...] Reset failed state for all, one, or more\n"
4145 " load [NAME...] Load one or more units\n\n"
4146 "Unit File Commands:\n"
4147 " list-unit-files List installed unit files\n"
4148 " enable [NAME...] Enable one or more unit files\n"
4149 " disable [NAME...] Disable one or more unit files\n"
4150 " reenable [NAME...] Reenable one or more unit files\n"
4151 " preset [NAME...] Enable/disable one or more unit files\n"
4152 " based on preset configuration\n"
4153 " mask [NAME...] Mask one or more units\n"
4154 " unmask [NAME...] Unmask one or more units\n"
4155 " link [PATH...] Link one or more units files into\n"
4156 " the search path\n"
4157 " is-enabled [NAME...] Check whether unit files are enabled\n\n"
4159 " list-jobs List jobs\n"
4160 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
4161 "Status Commands:\n"
4162 " dump Dump server status\n"
4163 " dot Dump dependency graph for dot(1)\n\n"
4164 "Snapshot Commands:\n"
4165 " snapshot [NAME] Create a snapshot\n"
4166 " delete [NAME...] Remove one or more snapshots\n\n"
4167 "Environment Commands:\n"
4168 " show-environment Dump environment\n"
4169 " set-environment [NAME=VALUE...] Set one or more environment variables\n"
4170 " unset-environment [NAME...] Unset one or more environment variables\n\n"
4171 "Manager Lifecycle Commands:\n"
4172 " daemon-reload Reload systemd manager configuration\n"
4173 " daemon-reexec Reexecute systemd manager\n\n"
4174 "System Commands:\n"
4175 " default Enter system default mode\n"
4176 " rescue Enter system rescue mode\n"
4177 " emergency Enter system emergency mode\n"
4178 " halt Shut down and halt the system\n"
4179 " poweroff Shut down and power-off the system\n"
4180 " reboot Shut down and reboot the system\n"
4181 " kexec Shut down and reboot the system with kexec\n"
4182 " exit Ask for user instance termination\n",
4183 program_invocation_short_name);
4188 static int halt_help(void) {
4190 printf("%s [OPTIONS...]\n\n"
4191 "%s the system.\n\n"
4192 " --help Show this help\n"
4193 " --halt Halt the machine\n"
4194 " -p --poweroff Switch off the machine\n"
4195 " --reboot Reboot the machine\n"
4196 " -f --force Force immediate halt/power-off/reboot\n"
4197 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
4198 " -d --no-wtmp Don't write wtmp record\n"
4199 " -n --no-sync Don't sync before halt/power-off/reboot\n"
4200 " --no-wall Don't send wall message before halt/power-off/reboot\n",
4201 program_invocation_short_name,
4202 arg_action == ACTION_REBOOT ? "Reboot" :
4203 arg_action == ACTION_POWEROFF ? "Power off" :
4209 static int shutdown_help(void) {
4211 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
4212 "Shut down the system.\n\n"
4213 " --help Show this help\n"
4214 " -H --halt Halt the machine\n"
4215 " -P --poweroff Power-off the machine\n"
4216 " -r --reboot Reboot the machine\n"
4217 " -h Equivalent to --poweroff, overriden by --halt\n"
4218 " -k Don't halt/power-off/reboot, just send warnings\n"
4219 " --no-wall Don't send wall message before halt/power-off/reboot\n"
4220 " -c Cancel a pending shutdown\n",
4221 program_invocation_short_name);
4226 static int telinit_help(void) {
4228 printf("%s [OPTIONS...] {COMMAND}\n\n"
4229 "Send control commands to the init daemon.\n\n"
4230 " --help Show this help\n"
4231 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
4233 " 0 Power-off the machine\n"
4234 " 6 Reboot the machine\n"
4235 " 2, 3, 4, 5 Start runlevelX.target unit\n"
4236 " 1, s, S Enter rescue mode\n"
4237 " q, Q Reload init daemon configuration\n"
4238 " u, U Reexecute init daemon\n",
4239 program_invocation_short_name);
4244 static int runlevel_help(void) {
4246 printf("%s [OPTIONS...]\n\n"
4247 "Prints the previous and current runlevel of the init system.\n\n"
4248 " --help Show this help\n",
4249 program_invocation_short_name);
4254 static int systemctl_parse_argv(int argc, char *argv[]) {
4258 ARG_IGNORE_DEPENDENCIES,
4274 ARG_NO_ASK_PASSWORD,
4281 static const struct option options[] = {
4282 { "help", no_argument, NULL, 'h' },
4283 { "version", no_argument, NULL, ARG_VERSION },
4284 { "type", required_argument, NULL, 't' },
4285 { "property", required_argument, NULL, 'p' },
4286 { "all", no_argument, NULL, 'a' },
4287 { "failed", no_argument, NULL, ARG_FAILED },
4288 { "full", no_argument, NULL, ARG_FULL },
4289 { "fail", no_argument, NULL, ARG_FAIL },
4290 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
4291 { "user", no_argument, NULL, ARG_USER },
4292 { "system", no_argument, NULL, ARG_SYSTEM },
4293 { "global", no_argument, NULL, ARG_GLOBAL },
4294 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
4295 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
4296 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
4297 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4298 { "quiet", no_argument, NULL, 'q' },
4299 { "order", no_argument, NULL, ARG_ORDER },
4300 { "require", no_argument, NULL, ARG_REQUIRE },
4301 { "root", required_argument, NULL, ARG_ROOT },
4302 { "force", no_argument, NULL, ARG_FORCE },
4303 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
4304 { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
4305 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
4306 { "signal", required_argument, NULL, 's' },
4307 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
4308 { "host", required_argument, NULL, 'H' },
4309 { "privileged",no_argument, NULL, 'P' },
4310 { "runtime", no_argument, NULL, ARG_RUNTIME },
4311 { "lines", required_argument, NULL, 'n' },
4312 { "follow", no_argument, NULL, ARG_FOLLOW },
4313 { "output", required_argument, NULL, 'o' },
4314 { NULL, 0, NULL, 0 }
4322 while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:Pn:o:", options, NULL)) >= 0) {
4331 puts(PACKAGE_STRING);
4333 puts(SYSTEMD_FEATURES);
4343 if (!(l = strv_append(arg_property, optarg)))
4346 strv_free(arg_property);
4349 /* If the user asked for a particular
4350 * property, show it to him, even if it is
4361 arg_job_mode = "fail";
4364 case ARG_IGNORE_DEPENDENCIES:
4365 arg_job_mode = "ignore-dependencies";
4369 arg_scope = UNIT_FILE_USER;
4373 arg_scope = UNIT_FILE_SYSTEM;
4377 arg_scope = UNIT_FILE_GLOBAL;
4381 arg_no_block = true;
4385 arg_no_legend = true;
4389 arg_no_pager = true;
4397 arg_dot = DOT_ORDER;
4401 arg_dot = DOT_REQUIRE;
4429 /* -f is short for both --follow and --force! */
4435 arg_no_reload = true;
4439 arg_kill_who = optarg;
4443 arg_kill_mode = optarg;
4447 if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) {
4448 log_error("Failed to parse signal string %s.", optarg);
4453 case ARG_NO_ASK_PASSWORD:
4454 arg_ask_password = false;
4458 arg_transport = TRANSPORT_POLKIT;
4462 arg_transport = TRANSPORT_SSH;
4471 if (safe_atou(optarg, &arg_lines) < 0) {
4472 log_error("Failed to parse lines '%s'", optarg);
4478 arg_output = output_mode_from_string(optarg);
4479 if (arg_output < 0) {
4480 log_error("Unknown output '%s'.", optarg);
4489 log_error("Unknown option code %c", c);
4494 if (arg_transport != TRANSPORT_NORMAL && arg_scope != UNIT_FILE_SYSTEM) {
4495 log_error("Cannot access user instance remotely.");
4502 static int halt_parse_argv(int argc, char *argv[]) {
4511 static const struct option options[] = {
4512 { "help", no_argument, NULL, ARG_HELP },
4513 { "halt", no_argument, NULL, ARG_HALT },
4514 { "poweroff", no_argument, NULL, 'p' },
4515 { "reboot", no_argument, NULL, ARG_REBOOT },
4516 { "force", no_argument, NULL, 'f' },
4517 { "wtmp-only", no_argument, NULL, 'w' },
4518 { "no-wtmp", no_argument, NULL, 'd' },
4519 { "no-sync", no_argument, NULL, 'n' },
4520 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4521 { NULL, 0, NULL, 0 }
4529 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
4530 if (runlevel == '0' || runlevel == '6')
4533 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
4541 arg_action = ACTION_HALT;
4545 if (arg_action != ACTION_REBOOT)
4546 arg_action = ACTION_POWEROFF;
4550 arg_action = ACTION_REBOOT;
4575 /* Compatibility nops */
4582 log_error("Unknown option code %c", c);
4587 if (optind < argc) {
4588 log_error("Too many arguments.");
4595 static int parse_time_spec(const char *t, usec_t *_u) {
4599 if (streq(t, "now"))
4601 else if (!strchr(t, ':')) {
4604 if (safe_atou64(t, &u) < 0)
4607 *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
4616 hour = strtol(t, &e, 10);
4617 if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
4620 minute = strtol(e+1, &e, 10);
4621 if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
4624 n = now(CLOCK_REALTIME);
4625 s = (time_t) (n / USEC_PER_SEC);
4628 assert_se(localtime_r(&s, &tm));
4630 tm.tm_hour = (int) hour;
4631 tm.tm_min = (int) minute;
4634 assert_se(s = mktime(&tm));
4636 *_u = (usec_t) s * USEC_PER_SEC;
4639 *_u += USEC_PER_DAY;
4645 static int shutdown_parse_argv(int argc, char *argv[]) {
4652 static const struct option options[] = {
4653 { "help", no_argument, NULL, ARG_HELP },
4654 { "halt", no_argument, NULL, 'H' },
4655 { "poweroff", no_argument, NULL, 'P' },
4656 { "reboot", no_argument, NULL, 'r' },
4657 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
4658 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4659 { NULL, 0, NULL, 0 }
4667 while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
4675 arg_action = ACTION_HALT;
4679 arg_action = ACTION_POWEROFF;
4684 arg_action = ACTION_KEXEC;
4686 arg_action = ACTION_REBOOT;
4690 arg_action = ACTION_KEXEC;
4694 if (arg_action != ACTION_HALT)
4695 arg_action = ACTION_POWEROFF;
4708 /* Compatibility nops */
4712 arg_action = ACTION_CANCEL_SHUTDOWN;
4719 log_error("Unknown option code %c", c);
4724 if (argc > optind) {
4725 r = parse_time_spec(argv[optind], &arg_when);
4727 log_error("Failed to parse time specification: %s", argv[optind]);
4731 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
4733 /* We skip the time argument */
4734 if (argc > optind + 1)
4735 arg_wall = argv + optind + 1;
4742 static int telinit_parse_argv(int argc, char *argv[]) {
4749 static const struct option options[] = {
4750 { "help", no_argument, NULL, ARG_HELP },
4751 { "no-wall", no_argument, NULL, ARG_NO_WALL },
4752 { NULL, 0, NULL, 0 }
4755 static const struct {
4759 { '0', ACTION_POWEROFF },
4760 { '6', ACTION_REBOOT },
4761 { '1', ACTION_RESCUE },
4762 { '2', ACTION_RUNLEVEL2 },
4763 { '3', ACTION_RUNLEVEL3 },
4764 { '4', ACTION_RUNLEVEL4 },
4765 { '5', ACTION_RUNLEVEL5 },
4766 { 's', ACTION_RESCUE },
4767 { 'S', ACTION_RESCUE },
4768 { 'q', ACTION_RELOAD },
4769 { 'Q', ACTION_RELOAD },
4770 { 'u', ACTION_REEXEC },
4771 { 'U', ACTION_REEXEC }
4780 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4795 log_error("Unknown option code %c", c);
4800 if (optind >= argc) {
4805 if (optind + 1 < argc) {
4806 log_error("Too many arguments.");
4810 if (strlen(argv[optind]) != 1) {
4811 log_error("Expected single character argument.");
4815 for (i = 0; i < ELEMENTSOF(table); i++)
4816 if (table[i].from == argv[optind][0])
4819 if (i >= ELEMENTSOF(table)) {
4820 log_error("Unknown command %s.", argv[optind]);
4824 arg_action = table[i].to;
4831 static int runlevel_parse_argv(int argc, char *argv[]) {
4837 static const struct option options[] = {
4838 { "help", no_argument, NULL, ARG_HELP },
4839 { NULL, 0, NULL, 0 }
4847 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
4858 log_error("Unknown option code %c", c);
4863 if (optind < argc) {
4864 log_error("Too many arguments.");
4871 static int parse_argv(int argc, char *argv[]) {
4875 if (program_invocation_short_name) {
4877 if (strstr(program_invocation_short_name, "halt")) {
4878 arg_action = ACTION_HALT;
4879 return halt_parse_argv(argc, argv);
4880 } else if (strstr(program_invocation_short_name, "poweroff")) {
4881 arg_action = ACTION_POWEROFF;
4882 return halt_parse_argv(argc, argv);
4883 } else if (strstr(program_invocation_short_name, "reboot")) {
4885 arg_action = ACTION_KEXEC;
4887 arg_action = ACTION_REBOOT;
4888 return halt_parse_argv(argc, argv);
4889 } else if (strstr(program_invocation_short_name, "shutdown")) {
4890 arg_action = ACTION_POWEROFF;
4891 return shutdown_parse_argv(argc, argv);
4892 } else if (strstr(program_invocation_short_name, "init")) {
4894 if (sd_booted() > 0) {
4895 arg_action = ACTION_INVALID;
4896 return telinit_parse_argv(argc, argv);
4898 /* Hmm, so some other init system is
4899 * running, we need to forward this
4900 * request to it. For now we simply
4901 * guess that it is Upstart. */
4903 execv("/lib/upstart/telinit", argv);
4905 log_error("Couldn't find an alternative telinit implementation to spawn.");
4909 } else if (strstr(program_invocation_short_name, "runlevel")) {
4910 arg_action = ACTION_RUNLEVEL;
4911 return runlevel_parse_argv(argc, argv);
4915 arg_action = ACTION_SYSTEMCTL;
4916 return systemctl_parse_argv(argc, argv);
4919 static int action_to_runlevel(void) {
4921 static const char table[_ACTION_MAX] = {
4922 [ACTION_HALT] = '0',
4923 [ACTION_POWEROFF] = '0',
4924 [ACTION_REBOOT] = '6',
4925 [ACTION_RUNLEVEL2] = '2',
4926 [ACTION_RUNLEVEL3] = '3',
4927 [ACTION_RUNLEVEL4] = '4',
4928 [ACTION_RUNLEVEL5] = '5',
4929 [ACTION_RESCUE] = '1'
4932 assert(arg_action < _ACTION_MAX);
4934 return table[arg_action];
4937 static int talk_upstart(void) {
4938 DBusMessage *m = NULL, *reply = NULL;
4940 int previous, rl, r;
4942 env1_buf[] = "RUNLEVEL=X",
4943 env2_buf[] = "PREVLEVEL=X";
4944 char *env1 = env1_buf, *env2 = env2_buf;
4945 const char *emit = "runlevel";
4946 dbus_bool_t b_false = FALSE;
4947 DBusMessageIter iter, sub;
4948 DBusConnection *bus;
4950 dbus_error_init(&error);
4952 if (!(rl = action_to_runlevel()))
4955 if (utmp_get_runlevel(&previous, NULL) < 0)
4958 if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
4959 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
4964 log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
4969 if ((r = bus_check_peercred(bus)) < 0) {
4970 log_error("Failed to verify owner of bus.");
4974 if (!(m = dbus_message_new_method_call(
4975 "com.ubuntu.Upstart",
4976 "/com/ubuntu/Upstart",
4977 "com.ubuntu.Upstart0_6",
4980 log_error("Could not allocate message.");
4985 dbus_message_iter_init_append(m, &iter);
4987 env1_buf[sizeof(env1_buf)-2] = rl;
4988 env2_buf[sizeof(env2_buf)-2] = previous;
4990 if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
4991 !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
4992 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
4993 !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
4994 !dbus_message_iter_close_container(&iter, &sub) ||
4995 !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
4996 log_error("Could not append arguments to message.");
5001 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
5003 if (error_is_no_service(&error)) {
5008 log_error("Failed to issue method call: %s", bus_error_message(&error));
5017 dbus_message_unref(m);
5020 dbus_message_unref(reply);
5023 dbus_connection_flush(bus);
5024 dbus_connection_close(bus);
5025 dbus_connection_unref(bus);
5028 dbus_error_free(&error);
5033 static int talk_initctl(void) {
5034 struct init_request request;
5038 if (!(rl = action_to_runlevel()))
5042 request.magic = INIT_MAGIC;
5043 request.sleeptime = 0;
5044 request.cmd = INIT_CMD_RUNLVL;
5045 request.runlevel = rl;
5047 if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
5049 if (errno == ENOENT)
5052 log_error("Failed to open "INIT_FIFO": %m");
5057 r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
5058 close_nointr_nofail(fd);
5061 log_error("Failed to write to "INIT_FIFO": %m");
5062 return errno ? -errno : -EIO;
5068 static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
5070 static const struct {
5078 int (* const dispatch)(DBusConnection *bus, char **args);
5080 { "list-units", LESS, 1, list_units },
5081 { "list-unit-files", EQUAL, 1, list_unit_files },
5082 { "list-jobs", EQUAL, 1, list_jobs },
5083 { "clear-jobs", EQUAL, 1, daemon_reload },
5084 { "load", MORE, 2, load_unit },
5085 { "cancel", MORE, 2, cancel_job },
5086 { "start", MORE, 2, start_unit },
5087 { "stop", MORE, 2, start_unit },
5088 { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
5089 { "reload", MORE, 2, start_unit },
5090 { "restart", MORE, 2, start_unit },
5091 { "try-restart", MORE, 2, start_unit },
5092 { "reload-or-restart", MORE, 2, start_unit },
5093 { "reload-or-try-restart", MORE, 2, start_unit },
5094 { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
5095 { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */
5096 { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
5097 { "isolate", EQUAL, 2, start_unit },
5098 { "kill", MORE, 2, kill_unit },
5099 { "is-active", MORE, 2, check_unit },
5100 { "check", MORE, 2, check_unit },
5101 { "show", MORE, 1, show },
5102 { "status", MORE, 2, show },
5103 { "dump", EQUAL, 1, dump },
5104 { "dot", EQUAL, 1, dot },
5105 { "snapshot", LESS, 2, snapshot },
5106 { "delete", MORE, 2, delete_snapshot },
5107 { "daemon-reload", EQUAL, 1, daemon_reload },
5108 { "daemon-reexec", EQUAL, 1, daemon_reload },
5109 { "show-environment", EQUAL, 1, show_enviroment },
5110 { "set-environment", MORE, 2, set_environment },
5111 { "unset-environment", MORE, 2, set_environment },
5112 { "halt", EQUAL, 1, start_special },
5113 { "poweroff", EQUAL, 1, start_special },
5114 { "reboot", EQUAL, 1, start_special },
5115 { "kexec", EQUAL, 1, start_special },
5116 { "default", EQUAL, 1, start_special },
5117 { "rescue", EQUAL, 1, start_special },
5118 { "emergency", EQUAL, 1, start_special },
5119 { "exit", EQUAL, 1, start_special },
5120 { "reset-failed", MORE, 1, reset_failed },
5121 { "enable", MORE, 2, enable_unit },
5122 { "disable", MORE, 2, enable_unit },
5123 { "is-enabled", MORE, 2, unit_is_enabled },
5124 { "reenable", MORE, 2, enable_unit },
5125 { "preset", MORE, 2, enable_unit },
5126 { "mask", MORE, 2, enable_unit },
5127 { "unmask", MORE, 2, enable_unit },
5128 { "link", MORE, 2, enable_unit }
5138 left = argc - optind;
5141 /* Special rule: no arguments means "list-units" */
5144 if (streq(argv[optind], "help")) {
5149 for (i = 0; i < ELEMENTSOF(verbs); i++)
5150 if (streq(argv[optind], verbs[i].verb))
5153 if (i >= ELEMENTSOF(verbs)) {
5154 log_error("Unknown operation %s", argv[optind]);
5159 switch (verbs[i].argc_cmp) {
5162 if (left != verbs[i].argc) {
5163 log_error("Invalid number of arguments.");
5170 if (left < verbs[i].argc) {
5171 log_error("Too few arguments.");
5178 if (left > verbs[i].argc) {
5179 log_error("Too many arguments.");
5186 assert_not_reached("Unknown comparison operator.");
5189 /* Require a bus connection for all operations but
5191 if (!streq(verbs[i].verb, "enable") &&
5192 !streq(verbs[i].verb, "disable") &&
5193 !streq(verbs[i].verb, "is-enabled") &&
5194 !streq(verbs[i].verb, "list-unit-files") &&
5195 !streq(verbs[i].verb, "reenable") &&
5196 !streq(verbs[i].verb, "preset") &&
5197 !streq(verbs[i].verb, "mask") &&
5198 !streq(verbs[i].verb, "unmask") &&
5199 !streq(verbs[i].verb, "link")) {
5201 if (running_in_chroot() > 0) {
5202 log_info("Running in chroot, ignoring request.");
5206 if (((!streq(verbs[i].verb, "reboot") &&
5207 !streq(verbs[i].verb, "halt") &&
5208 !streq(verbs[i].verb, "reboot")) || arg_force <= 0) && !bus) {
5209 log_error("Failed to get D-Bus connection: %s",
5210 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
5216 if (!bus && !avoid_bus()) {
5217 log_error("Failed to get D-Bus connection: %s",
5218 dbus_error_is_set(error) ? error->message : "No connection to service manager.");
5223 return verbs[i].dispatch(bus, argv + optind);
5226 static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
5228 struct msghdr msghdr;
5229 struct iovec iovec[2];
5230 union sockaddr_union sockaddr;
5231 struct sd_shutdown_command c;
5233 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
5240 c.dry_run = dry_run;
5244 sockaddr.sa.sa_family = AF_UNIX;
5245 strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
5248 msghdr.msg_name = &sockaddr;
5249 msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
5252 iovec[0].iov_base = (char*) &c;
5253 iovec[0].iov_len = offsetof(struct sd_shutdown_command, wall_message);
5255 if (isempty(message))
5256 msghdr.msg_iovlen = 1;
5258 iovec[1].iov_base = (char*) message;
5259 iovec[1].iov_len = strlen(message);
5260 msghdr.msg_iovlen = 2;
5262 msghdr.msg_iov = iovec;
5264 if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
5265 close_nointr_nofail(fd);
5269 close_nointr_nofail(fd);
5273 static int reload_with_fallback(DBusConnection *bus) {
5276 /* First, try systemd via D-Bus. */
5277 if (daemon_reload(bus, NULL) >= 0)
5281 /* Nothing else worked, so let's try signals */
5282 assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
5284 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) {
5285 log_error("kill() failed: %m");
5292 static int start_with_fallback(DBusConnection *bus) {
5295 /* First, try systemd via D-Bus. */
5296 if (start_unit(bus, NULL) >= 0)
5300 /* Hmm, talking to systemd via D-Bus didn't work. Then
5301 * let's try to talk to Upstart via D-Bus. */
5302 if (talk_upstart() > 0)
5305 /* Nothing else worked, so let's try
5307 if (talk_initctl() > 0)
5310 log_error("Failed to talk to init daemon.");
5314 warn_wall(arg_action);
5318 static void halt_now(enum action a) {
5320 /* Make sure C-A-D is handled by the kernel from this
5322 reboot(RB_ENABLE_CAD);
5327 log_info("Halting.");
5328 reboot(RB_HALT_SYSTEM);
5331 case ACTION_POWEROFF:
5332 log_info("Powering off.");
5333 reboot(RB_POWER_OFF);
5337 log_info("Rebooting.");
5338 reboot(RB_AUTOBOOT);
5342 assert_not_reached("Unknown halt action.");
5345 assert_not_reached("Uh? This shouldn't happen.");
5348 static int halt_main(DBusConnection *bus) {
5351 if (geteuid() != 0) {
5352 /* Try logind if we are a normal user and no special
5353 * mode applies. Maybe PolicyKit allows us to shutdown
5356 if (arg_when <= 0 &&
5359 (arg_action == ACTION_POWEROFF ||
5360 arg_action == ACTION_REBOOT)) {
5361 r = reboot_with_logind(bus, arg_action);
5366 log_error("Must be root.");
5373 m = strv_join(arg_wall, " ");
5374 r = send_shutdownd(arg_when,
5375 arg_action == ACTION_HALT ? 'H' :
5376 arg_action == ACTION_POWEROFF ? 'P' :
5377 arg_action == ACTION_KEXEC ? 'K' :
5385 log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
5387 char date[FORMAT_TIMESTAMP_MAX];
5389 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
5390 format_timestamp(date, sizeof(date), arg_when));
5395 if (!arg_dry && !arg_force)
5396 return start_with_fallback(bus);
5399 if (sd_booted() > 0)
5400 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
5402 r = utmp_put_shutdown();
5404 log_warning("Failed to write utmp record: %s", strerror(-r));
5414 halt_now(arg_action);
5415 /* We should never reach this. */
5419 static int runlevel_main(void) {
5420 int r, runlevel, previous;
5422 r = utmp_get_runlevel(&runlevel, &previous);
5429 previous <= 0 ? 'N' : previous,
5430 runlevel <= 0 ? 'N' : runlevel);
5435 int main(int argc, char*argv[]) {
5436 int r, retval = EXIT_FAILURE;
5437 DBusConnection *bus = NULL;
5440 dbus_error_init(&error);
5442 log_parse_environment();
5445 r = parse_argv(argc, argv);
5449 retval = EXIT_SUCCESS;
5453 /* /sbin/runlevel doesn't need to communicate via D-Bus, so
5454 * let's shortcut this */
5455 if (arg_action == ACTION_RUNLEVEL) {
5456 r = runlevel_main();
5457 retval = r < 0 ? EXIT_FAILURE : r;
5461 if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
5462 log_info("Running in chroot, ignoring request.");
5468 if (arg_transport == TRANSPORT_NORMAL)
5469 bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
5470 else if (arg_transport == TRANSPORT_POLKIT) {
5471 bus_connect_system_polkit(&bus, &error);
5472 private_bus = false;
5473 } else if (arg_transport == TRANSPORT_SSH) {
5474 bus_connect_system_ssh(NULL, arg_host, &bus, &error);
5475 private_bus = false;
5477 assert_not_reached("Uh, invalid transport...");
5480 switch (arg_action) {
5482 case ACTION_SYSTEMCTL:
5483 r = systemctl_main(bus, argc, argv, &error);
5487 case ACTION_POWEROFF:
5493 case ACTION_RUNLEVEL2:
5494 case ACTION_RUNLEVEL3:
5495 case ACTION_RUNLEVEL4:
5496 case ACTION_RUNLEVEL5:
5498 case ACTION_EMERGENCY:
5499 case ACTION_DEFAULT:
5500 r = start_with_fallback(bus);
5505 r = reload_with_fallback(bus);
5508 case ACTION_CANCEL_SHUTDOWN:
5509 r = send_shutdownd(0, 0, false, false, NULL);
5512 case ACTION_INVALID:
5513 case ACTION_RUNLEVEL:
5515 assert_not_reached("Unknown action");
5518 retval = r < 0 ? EXIT_FAILURE : r;
5522 dbus_connection_flush(bus);
5523 dbus_connection_close(bus);
5524 dbus_connection_unref(bus);
5527 dbus_error_free(&error);
5531 strv_free(arg_property);
5534 ask_password_agent_close();
5535 polkit_agent_close();