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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:09:56 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-06-01 15:09:56 -0400
commitd9adc581a8c4894cb66b84b556cfa15a332d79c9 (patch)
tree5a89350266b600a3adf22837c3caa61ac257303b /src/system/systemctl/systemctl.c
parent36b949f7c4214c6d676d056d6724b55b1abce137 (diff)
./move.sh
Diffstat (limited to 'src/system/systemctl/systemctl.c')
-rw-r--r--src/system/systemctl/systemctl.c7703
1 files changed, 7703 insertions, 0 deletions
diff --git a/src/system/systemctl/systemctl.c b/src/system/systemctl/systemctl.c
new file mode 100644
index 0000000000..c03fca06c8
--- /dev/null
+++ b/src/system/systemctl/systemctl.c
@@ -0,0 +1,7703 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+ Copyright 2013 Marc-Antoine Perennou
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <linux/reboot.h>
+#include <locale.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/reboot.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <systemd/sd-bus.h>
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-login.h>
+
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-message.h"
+#include "bus-util.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "copy.h"
+#include "dropin.h"
+#include "efivars.h"
+#include "env-util.h"
+#include "exit-status.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "formats-util.h"
+#include "fs-util.h"
+#include "glob-util.h"
+#include "hostname-util.h"
+#include "initreq.h"
+#include "install.h"
+#include "io-util.h"
+#include "list.h"
+#include "locale-util.h"
+#include "log.h"
+#include "logs-show.h"
+#include "macro.h"
+#include "mkdir.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "path-lookup.h"
+#include "path-util.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#include "set.h"
+#include "signal-util.h"
+#include "socket-util.h"
+#include "spawn-ask-password-agent.h"
+#include "spawn-polkit-agent.h"
+#include "special.h"
+#include "stat-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "unit-name.h"
+#include "user-util.h"
+#include "util.h"
+#include "utmp-wtmp.h"
+#include "verbs.h"
+#include "virt.h"
+
+static char **arg_types = NULL;
+static char **arg_states = NULL;
+static char **arg_properties = NULL;
+static bool arg_all = false;
+static enum dependency {
+ DEPENDENCY_FORWARD,
+ DEPENDENCY_REVERSE,
+ DEPENDENCY_AFTER,
+ DEPENDENCY_BEFORE,
+ _DEPENDENCY_MAX
+} arg_dependency = DEPENDENCY_FORWARD;
+static const char *arg_job_mode = "replace";
+static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
+static bool arg_no_block = false;
+static bool arg_no_legend = false;
+static bool arg_no_pager = false;
+static bool arg_no_wtmp = false;
+static bool arg_no_wall = false;
+static bool arg_no_reload = false;
+static bool arg_show_types = false;
+static bool arg_ignore_inhibitors = false;
+static bool arg_dry = false;
+static bool arg_quiet = false;
+static bool arg_full = false;
+static bool arg_recursive = false;
+static int arg_force = 0;
+static bool arg_ask_password = false;
+static bool arg_runtime = false;
+static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
+static char **arg_wall = NULL;
+static const char *arg_kill_who = NULL;
+static int arg_signal = SIGTERM;
+static char *arg_root = NULL;
+static usec_t arg_when = 0;
+static enum action {
+ _ACTION_INVALID,
+ ACTION_SYSTEMCTL,
+ ACTION_HALT,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_KEXEC,
+ ACTION_EXIT,
+ ACTION_SUSPEND,
+ ACTION_HIBERNATE,
+ ACTION_HYBRID_SLEEP,
+ ACTION_RUNLEVEL2,
+ ACTION_RUNLEVEL3,
+ ACTION_RUNLEVEL4,
+ ACTION_RUNLEVEL5,
+ ACTION_RESCUE,
+ ACTION_EMERGENCY,
+ ACTION_DEFAULT,
+ ACTION_RELOAD,
+ ACTION_REEXEC,
+ ACTION_RUNLEVEL,
+ ACTION_CANCEL_SHUTDOWN,
+ _ACTION_MAX
+} arg_action = ACTION_SYSTEMCTL;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static const char *arg_host = NULL;
+static unsigned arg_lines = 10;
+static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_plain = false;
+static bool arg_firmware_setup = false;
+static bool arg_now = false;
+
+static int daemon_reload(int argc, char *argv[], void* userdata);
+static int halt_now(enum action a);
+static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet);
+
+static bool original_stdout_is_tty;
+
+typedef enum BusFocus {
+ BUS_FULL, /* The full bus indicated via --system or --user */
+ BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
+ _BUS_FOCUS_MAX
+} BusFocus;
+
+static sd_bus *busses[_BUS_FOCUS_MAX] = {};
+
+static int acquire_bus(BusFocus focus, sd_bus **ret) {
+ int r;
+
+ assert(focus < _BUS_FOCUS_MAX);
+ assert(ret);
+
+ /* We only go directly to the manager, if we are using a local transport */
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ focus = BUS_FULL;
+
+ if (!busses[focus]) {
+ bool user;
+
+ user = arg_scope != UNIT_FILE_SYSTEM;
+
+ if (focus == BUS_MANAGER)
+ r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]);
+ else
+ r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to bus: %m");
+
+ (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password);
+ }
+
+ *ret = busses[focus];
+ return 0;
+}
+
+static void release_busses(void) {
+ BusFocus w;
+
+ for (w = 0; w < _BUS_FOCUS_MAX; w++)
+ busses[w] = sd_bus_flush_close_unref(busses[w]);
+}
+
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager)
+ return;
+
+ pager_open(false);
+}
+
+static void ask_password_agent_open_if_enabled(void) {
+
+ /* Open the password agent as a child process if necessary */
+
+ if (!arg_ask_password)
+ return;
+
+ if (arg_scope != UNIT_FILE_SYSTEM)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ ask_password_agent_open();
+}
+
+static void polkit_agent_open_if_enabled(void) {
+
+ /* Open the polkit agent as a child process if necessary */
+
+ if (!arg_ask_password)
+ return;
+
+ if (arg_scope != UNIT_FILE_SYSTEM)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ polkit_agent_open();
+}
+
+static OutputFlags get_output_flags(void) {
+ return
+ arg_all * OUTPUT_SHOW_ALL |
+ arg_full * OUTPUT_FULL_WIDTH |
+ (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+ colors_enabled() * OUTPUT_COLOR |
+ !arg_quiet * OUTPUT_WARN_CUTOFF;
+}
+
+static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
+ assert(error);
+
+ if (!sd_bus_error_is_set(error))
+ return r;
+
+ if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
+ sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
+ sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
+ sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
+ return EXIT_NOPERMISSION;
+
+ if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
+ return EXIT_NOTINSTALLED;
+
+ if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
+ sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
+ return EXIT_NOTIMPLEMENTED;
+
+ if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
+ return EXIT_NOTCONFIGURED;
+
+ if (r != 0)
+ return r;
+
+ return EXIT_FAILURE;
+}
+
+static bool install_client_side(void) {
+
+ /* Decides when to execute enable/disable/... operations
+ * client-side rather than server-side. */
+
+ if (running_in_chroot() > 0)
+ return true;
+
+ if (sd_booted() <= 0)
+ return true;
+
+ if (!isempty(arg_root))
+ return true;
+
+ if (arg_scope == UNIT_FILE_GLOBAL)
+ return true;
+
+ /* Unsupported environment variable, mostly for debugging purposes */
+ if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
+ return true;
+
+ return false;
+}
+
+static int compare_unit_info(const void *a, const void *b) {
+ const UnitInfo *u = a, *v = b;
+ const char *d1, *d2;
+ int r;
+
+ /* First, order by machine */
+ if (!u->machine && v->machine)
+ return -1;
+ if (u->machine && !v->machine)
+ return 1;
+ if (u->machine && v->machine) {
+ r = strcasecmp(u->machine, v->machine);
+ if (r != 0)
+ return r;
+ }
+
+ /* Second, order by unit type */
+ d1 = strrchr(u->id, '.');
+ d2 = strrchr(v->id, '.');
+ if (d1 && d2) {
+ r = strcasecmp(d1, d2);
+ if (r != 0)
+ return r;
+ }
+
+ /* Third, order by name */
+ return strcasecmp(u->id, v->id);
+}
+
+static bool output_show_unit(const UnitInfo *u, char **patterns) {
+ if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
+ return false;
+
+ if (arg_types) {
+ const char *dot;
+
+ dot = strrchr(u->id, '.');
+ if (!dot)
+ return false;
+
+ if (!strv_find(arg_types, dot+1))
+ return false;
+ }
+
+ if (arg_all)
+ return true;
+
+ if (u->job_id > 0)
+ return true;
+
+ if (streq(u->active_state, "inactive") || u->following[0])
+ return false;
+
+ return true;
+}
+
+static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
+ unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
+ const UnitInfo *u;
+ unsigned n_shown = 0;
+ int job_count = 0;
+
+ max_id_len = strlen("UNIT");
+ load_len = strlen("LOAD");
+ active_len = strlen("ACTIVE");
+ sub_len = strlen("SUB");
+ job_len = strlen("JOB");
+ desc_len = 0;
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
+ load_len = MAX(load_len, strlen(u->load_state));
+ active_len = MAX(active_len, strlen(u->active_state));
+ sub_len = MAX(sub_len, strlen(u->sub_state));
+
+ if (u->job_id != 0) {
+ job_len = MAX(job_len, strlen(u->job_type));
+ job_count++;
+ }
+
+ if (!arg_no_legend &&
+ (streq(u->active_state, "failed") ||
+ STR_IN_SET(u->load_state, "error", "not-found", "masked")))
+ circle_len = 2;
+ }
+
+ if (!arg_full && original_stdout_is_tty) {
+ unsigned basic_len;
+
+ id_len = MIN(max_id_len, 25u);
+ basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len;
+
+ if (job_count)
+ basic_len += job_len + 1;
+
+ if (basic_len < (unsigned) columns()) {
+ unsigned extra_len, incr;
+ extra_len = columns() - basic_len;
+
+ /* Either UNIT already got 25, or is fully satisfied.
+ * Grant up to 25 to DESC now. */
+ incr = MIN(extra_len, 25u);
+ desc_len += incr;
+ extra_len -= incr;
+
+ /* split the remaining space between UNIT and DESC,
+ * but do not give UNIT more than it needs. */
+ if (extra_len > 0) {
+ incr = MIN(extra_len / 2, max_id_len - id_len);
+ id_len += incr;
+ desc_len += extra_len - incr;
+ }
+ }
+ } else
+ id_len = max_id_len;
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ _cleanup_free_ char *e = NULL, *j = NULL;
+ const char *on_loaded = "", *off_loaded = "";
+ const char *on_active = "", *off_active = "";
+ const char *on_circle = "", *off_circle = "";
+ const char *id;
+ bool circle = false;
+
+ if (!n_shown && !arg_no_legend) {
+
+ if (circle_len > 0)
+ fputs(" ", stdout);
+
+ printf("%-*s %-*s %-*s %-*s ",
+ id_len, "UNIT",
+ load_len, "LOAD",
+ active_len, "ACTIVE",
+ sub_len, "SUB");
+
+ if (job_count)
+ printf("%-*s ", job_len, "JOB");
+
+ if (!arg_full && arg_no_pager)
+ printf("%.*s\n", desc_len, "DESCRIPTION");
+ else
+ printf("%s\n", "DESCRIPTION");
+ }
+
+ n_shown++;
+
+ if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) {
+ on_loaded = ansi_highlight_red();
+ on_circle = ansi_highlight_yellow();
+ off_loaded = off_circle = ansi_normal();
+ circle = true;
+ } else if (streq(u->active_state, "failed") && !arg_plain) {
+ on_circle = on_active = ansi_highlight_red();
+ off_circle = off_active = ansi_normal();
+ circle = true;
+ }
+
+ if (u->machine) {
+ j = strjoin(u->machine, ":", u->id, NULL);
+ if (!j)
+ return log_oom();
+
+ id = j;
+ } else
+ id = u->id;
+
+ if (arg_full) {
+ e = ellipsize(id, id_len, 33);
+ if (!e)
+ return log_oom();
+
+ id = e;
+ }
+
+ if (circle_len > 0)
+ printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
+
+ printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
+ on_active, id_len, id, off_active,
+ on_loaded, load_len, u->load_state, off_loaded,
+ on_active, active_len, u->active_state,
+ sub_len, u->sub_state, off_active,
+ job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
+
+ if (desc_len > 0)
+ printf("%.*s\n", desc_len, u->description);
+ else
+ printf("%s\n", u->description);
+ }
+
+ if (!arg_no_legend) {
+ const char *on, *off;
+
+ if (n_shown) {
+ puts("\n"
+ "LOAD = Reflects whether the unit definition was properly loaded.\n"
+ "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
+ "SUB = The low-level unit activation state, values depend on unit type.");
+ puts(job_count ? "JOB = Pending job for the unit.\n" : "");
+ on = ansi_highlight();
+ off = ansi_normal();
+ } else {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ }
+
+ if (arg_all)
+ printf("%s%u loaded units listed.%s\n"
+ "To show all installed unit files use 'systemctl list-unit-files'.\n",
+ on, n_shown, off);
+ else
+ printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
+ "To show all installed unit files use 'systemctl list-unit-files'.\n",
+ on, n_shown, off);
+ }
+
+ return 0;
+}
+
+static int get_unit_list(
+ sd_bus *bus,
+ const char *machine,
+ char **patterns,
+ UnitInfo **unit_infos,
+ int c,
+ sd_bus_message **_reply) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ size_t size = c;
+ int r;
+ UnitInfo u;
+
+ assert(bus);
+ assert(unit_infos);
+ assert(_reply);
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnitsFiltered");
+
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, arg_states);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = bus_parse_unit_info(reply, &u)) > 0) {
+ u.machine = machine;
+
+ if (!output_show_unit(&u, patterns))
+ continue;
+
+ if (!GREEDY_REALLOC(*unit_infos, size, c+1))
+ return log_oom();
+
+ (*unit_infos)[c++] = u;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ *_reply = reply;
+ reply = NULL;
+
+ return c;
+}
+
+static void message_set_freep(Set **set) {
+ sd_bus_message *m;
+
+ while ((m = set_steal_first(*set)))
+ sd_bus_message_unref(m);
+
+ set_free(*set);
+}
+
+static int get_unit_list_recursive(
+ sd_bus *bus,
+ char **patterns,
+ UnitInfo **_unit_infos,
+ Set **_replies,
+ char ***_machines) {
+
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ _cleanup_(message_set_freep) Set *replies;
+ sd_bus_message *reply;
+ int c, r;
+
+ assert(bus);
+ assert(_replies);
+ assert(_unit_infos);
+ assert(_machines);
+
+ replies = set_new(NULL);
+ if (!replies)
+ return log_oom();
+
+ c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
+ if (c < 0)
+ return c;
+
+ r = set_put(replies, reply);
+ if (r < 0) {
+ sd_bus_message_unref(reply);
+ return log_oom();
+ }
+
+ if (arg_recursive) {
+ _cleanup_strv_free_ char **machines = NULL;
+ char **i;
+
+ r = sd_get_machine_names(&machines);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine names: %m");
+
+ STRV_FOREACH(i, machines) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
+ int k;
+
+ r = sd_bus_open_system_machine(&container, *i);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
+ continue;
+ }
+
+ k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
+ if (k < 0)
+ return k;
+
+ c = k;
+
+ r = set_put(replies, reply);
+ if (r < 0) {
+ sd_bus_message_unref(reply);
+ return log_oom();
+ }
+ }
+
+ *_machines = machines;
+ machines = NULL;
+ } else
+ *_machines = NULL;
+
+ *_unit_infos = unit_infos;
+ unit_infos = NULL;
+
+ *_replies = replies;
+ replies = NULL;
+
+ return c;
+}
+
+static int list_units(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ _cleanup_(message_set_freep) Set *replies = NULL;
+ _cleanup_strv_free_ char **machines = NULL;
+ sd_bus *bus;
+ int r;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
+ if (r < 0)
+ return r;
+
+ qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
+ return output_units_list(unit_infos, r);
+}
+
+static int get_triggered_units(
+ sd_bus *bus,
+ const char* path,
+ char*** ret) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(ret);
+
+ r = sd_bus_get_property_strv(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "Triggers",
+ &error,
+ ret);
+ if (r < 0)
+ return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int get_listening(
+ sd_bus *bus,
+ const char* unit_path,
+ char*** listening) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *type, *path;
+ int r, n = 0;
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.systemd1",
+ unit_path,
+ "org.freedesktop.systemd1.Socket",
+ "Listen",
+ &error,
+ &reply,
+ "a(ss)");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
+
+ r = strv_extend(listening, type);
+ if (r < 0)
+ return log_oom();
+
+ r = strv_extend(listening, path);
+ if (r < 0)
+ return log_oom();
+
+ n++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return n;
+}
+
+struct socket_info {
+ const char *machine;
+ const char* id;
+
+ char* type;
+ char* path;
+
+ /* Note: triggered is a list here, although it almost certainly
+ * will always be one unit. Nevertheless, dbus API allows for multiple
+ * values, so let's follow that. */
+ char** triggered;
+
+ /* The strv above is shared. free is set only in the first one. */
+ bool own_triggered;
+};
+
+static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
+ int o;
+
+ assert(a);
+ assert(b);
+
+ if (!a->machine && b->machine)
+ return -1;
+ if (a->machine && !b->machine)
+ return 1;
+ if (a->machine && b->machine) {
+ o = strcasecmp(a->machine, b->machine);
+ if (o != 0)
+ return o;
+ }
+
+ o = strcmp(a->path, b->path);
+ if (o == 0)
+ o = strcmp(a->type, b->type);
+
+ return o;
+}
+
+static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
+ struct socket_info *s;
+ unsigned pathlen = strlen("LISTEN"),
+ typelen = strlen("TYPE") * arg_show_types,
+ socklen = strlen("UNIT"),
+ servlen = strlen("ACTIVATES");
+ const char *on, *off;
+
+ for (s = socket_infos; s < socket_infos + cs; s++) {
+ unsigned tmp = 0;
+ char **a;
+
+ socklen = MAX(socklen, strlen(s->id));
+ if (arg_show_types)
+ typelen = MAX(typelen, strlen(s->type));
+ pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
+
+ STRV_FOREACH(a, s->triggered)
+ tmp += strlen(*a) + 2*(a != s->triggered);
+ servlen = MAX(servlen, tmp);
+ }
+
+ if (cs) {
+ if (!arg_no_legend)
+ printf("%-*s %-*.*s%-*s %s\n",
+ pathlen, "LISTEN",
+ typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
+ socklen, "UNIT",
+ "ACTIVATES");
+
+ for (s = socket_infos; s < socket_infos + cs; s++) {
+ _cleanup_free_ char *j = NULL;
+ const char *path;
+ char **a;
+
+ if (s->machine) {
+ j = strjoin(s->machine, ":", s->path, NULL);
+ if (!j)
+ return log_oom();
+ path = j;
+ } else
+ path = s->path;
+
+ if (arg_show_types)
+ printf("%-*s %-*s %-*s",
+ pathlen, path, typelen, s->type, socklen, s->id);
+ else
+ printf("%-*s %-*s",
+ pathlen, path, socklen, s->id);
+ STRV_FOREACH(a, s->triggered)
+ printf("%s %s",
+ a == s->triggered ? "" : ",", *a);
+ printf("\n");
+ }
+
+ on = ansi_highlight();
+ off = ansi_normal();
+ if (!arg_no_legend)
+ printf("\n");
+ } else {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ }
+
+ if (!arg_no_legend) {
+ printf("%s%u sockets listed.%s\n", on, cs, off);
+ if (!arg_all)
+ printf("Pass --all to see loaded but inactive sockets, too.\n");
+ }
+
+ return 0;
+}
+
+static int list_sockets(int argc, char *argv[], void *userdata) {
+ _cleanup_(message_set_freep) Set *replies = NULL;
+ _cleanup_strv_free_ char **machines = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ _cleanup_free_ struct socket_info *socket_infos = NULL;
+ const UnitInfo *u;
+ struct socket_info *s;
+ unsigned cs = 0;
+ size_t size = 0;
+ int r = 0, n;
+ sd_bus *bus;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
+ if (n < 0)
+ return n;
+
+ for (u = unit_infos; u < unit_infos + n; u++) {
+ _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
+ int i, c;
+
+ if (!endswith(u->id, ".socket"))
+ continue;
+
+ r = get_triggered_units(bus, u->unit_path, &triggered);
+ if (r < 0)
+ goto cleanup;
+
+ c = get_listening(bus, u->unit_path, &listening);
+ if (c < 0) {
+ r = c;
+ goto cleanup;
+ }
+
+ if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
+ r = log_oom();
+ goto cleanup;
+ }
+
+ for (i = 0; i < c; i++)
+ socket_infos[cs + i] = (struct socket_info) {
+ .machine = u->machine,
+ .id = u->id,
+ .type = listening[i*2],
+ .path = listening[i*2 + 1],
+ .triggered = triggered,
+ .own_triggered = i==0,
+ };
+
+ /* from this point on we will cleanup those socket_infos */
+ cs += c;
+ free(listening);
+ listening = triggered = NULL; /* avoid cleanup */
+ }
+
+ qsort_safe(socket_infos, cs, sizeof(struct socket_info),
+ (__compar_fn_t) socket_info_compare);
+
+ output_sockets_list(socket_infos, cs);
+
+ cleanup:
+ assert(cs == 0 || socket_infos);
+ for (s = socket_infos; s < socket_infos + cs; s++) {
+ free(s->type);
+ free(s->path);
+ if (s->own_triggered)
+ strv_free(s->triggered);
+ }
+
+ return r;
+}
+
+static int get_next_elapse(
+ sd_bus *bus,
+ const char *path,
+ dual_timestamp *next) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ dual_timestamp t;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(next);
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "NextElapseUSecMonotonic",
+ &error,
+ 't',
+ &t.monotonic);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get next elapsation time: %s", bus_error_message(&error, r));
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "NextElapseUSecRealtime",
+ &error,
+ 't',
+ &t.realtime);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get next elapsation time: %s", bus_error_message(&error, r));
+
+ *next = t;
+ return 0;
+}
+
+static int get_last_trigger(
+ sd_bus *bus,
+ const char *path,
+ usec_t *last) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(path);
+ assert(last);
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Timer",
+ "LastTriggerUSec",
+ &error,
+ 't',
+ last);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+struct timer_info {
+ const char* machine;
+ const char* id;
+ usec_t next_elapse;
+ usec_t last_trigger;
+ char** triggered;
+};
+
+static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
+ int o;
+
+ assert(a);
+ assert(b);
+
+ if (!a->machine && b->machine)
+ return -1;
+ if (a->machine && !b->machine)
+ return 1;
+ if (a->machine && b->machine) {
+ o = strcasecmp(a->machine, b->machine);
+ if (o != 0)
+ return o;
+ }
+
+ if (a->next_elapse < b->next_elapse)
+ return -1;
+ if (a->next_elapse > b->next_elapse)
+ return 1;
+
+ return strcmp(a->id, b->id);
+}
+
+static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
+ struct timer_info *t;
+ unsigned
+ nextlen = strlen("NEXT"),
+ leftlen = strlen("LEFT"),
+ lastlen = strlen("LAST"),
+ passedlen = strlen("PASSED"),
+ unitlen = strlen("UNIT"),
+ activatelen = strlen("ACTIVATES");
+
+ const char *on, *off;
+
+ assert(timer_infos || n == 0);
+
+ for (t = timer_infos; t < timer_infos + n; t++) {
+ unsigned ul = 0;
+ char **a;
+
+ if (t->next_elapse > 0) {
+ char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
+
+ format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
+ nextlen = MAX(nextlen, strlen(tstamp) + 1);
+
+ format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
+ leftlen = MAX(leftlen, strlen(trel));
+ }
+
+ if (t->last_trigger > 0) {
+ char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
+
+ format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
+ lastlen = MAX(lastlen, strlen(tstamp) + 1);
+
+ format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
+ passedlen = MAX(passedlen, strlen(trel));
+ }
+
+ unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
+
+ STRV_FOREACH(a, t->triggered)
+ ul += strlen(*a) + 2*(a != t->triggered);
+
+ activatelen = MAX(activatelen, ul);
+ }
+
+ if (n > 0) {
+ if (!arg_no_legend)
+ printf("%-*s %-*s %-*s %-*s %-*s %s\n",
+ nextlen, "NEXT",
+ leftlen, "LEFT",
+ lastlen, "LAST",
+ passedlen, "PASSED",
+ unitlen, "UNIT",
+ "ACTIVATES");
+
+ for (t = timer_infos; t < timer_infos + n; t++) {
+ _cleanup_free_ char *j = NULL;
+ const char *unit;
+ char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
+ char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
+ char **a;
+
+ format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
+ format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
+
+ format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
+ format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
+
+ if (t->machine) {
+ j = strjoin(t->machine, ":", t->id, NULL);
+ if (!j)
+ return log_oom();
+ unit = j;
+ } else
+ unit = t->id;
+
+ printf("%-*s %-*s %-*s %-*s %-*s",
+ nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
+
+ STRV_FOREACH(a, t->triggered)
+ printf("%s %s",
+ a == t->triggered ? "" : ",", *a);
+ printf("\n");
+ }
+
+ on = ansi_highlight();
+ off = ansi_normal();
+ if (!arg_no_legend)
+ printf("\n");
+ } else {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ }
+
+ if (!arg_no_legend) {
+ printf("%s%u timers listed.%s\n", on, n, off);
+ if (!arg_all)
+ printf("Pass --all to see loaded but inactive timers, too.\n");
+ }
+
+ return 0;
+}
+
+static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
+ usec_t next_elapse;
+
+ assert(nw);
+ assert(next);
+
+ if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
+ usec_t converted;
+
+ if (next->monotonic > nw->monotonic)
+ converted = nw->realtime + (next->monotonic - nw->monotonic);
+ else
+ converted = nw->realtime - (nw->monotonic - next->monotonic);
+
+ if (next->realtime != USEC_INFINITY && next->realtime > 0)
+ next_elapse = MIN(converted, next->realtime);
+ else
+ next_elapse = converted;
+
+ } else
+ next_elapse = next->realtime;
+
+ return next_elapse;
+}
+
+static int list_timers(int argc, char *argv[], void *userdata) {
+ _cleanup_(message_set_freep) Set *replies = NULL;
+ _cleanup_strv_free_ char **machines = NULL;
+ _cleanup_free_ struct timer_info *timer_infos = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ struct timer_info *t;
+ const UnitInfo *u;
+ size_t size = 0;
+ int n, c = 0;
+ dual_timestamp nw;
+ sd_bus *bus;
+ int r = 0;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
+ if (n < 0)
+ return n;
+
+ dual_timestamp_get(&nw);
+
+ for (u = unit_infos; u < unit_infos + n; u++) {
+ _cleanup_strv_free_ char **triggered = NULL;
+ dual_timestamp next = DUAL_TIMESTAMP_NULL;
+ usec_t m, last = 0;
+
+ if (!endswith(u->id, ".timer"))
+ continue;
+
+ r = get_triggered_units(bus, u->unit_path, &triggered);
+ if (r < 0)
+ goto cleanup;
+
+ r = get_next_elapse(bus, u->unit_path, &next);
+ if (r < 0)
+ goto cleanup;
+
+ get_last_trigger(bus, u->unit_path, &last);
+
+ if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
+ r = log_oom();
+ goto cleanup;
+ }
+
+ m = calc_next_elapse(&nw, &next);
+
+ timer_infos[c++] = (struct timer_info) {
+ .machine = u->machine,
+ .id = u->id,
+ .next_elapse = m,
+ .last_trigger = last,
+ .triggered = triggered,
+ };
+
+ triggered = NULL; /* avoid cleanup */
+ }
+
+ qsort_safe(timer_infos, c, sizeof(struct timer_info),
+ (__compar_fn_t) timer_info_compare);
+
+ output_timers_list(timer_infos, c);
+
+ cleanup:
+ for (t = timer_infos; t < timer_infos + c; t++)
+ strv_free(t->triggered);
+
+ return r;
+}
+
+static int compare_unit_file_list(const void *a, const void *b) {
+ const char *d1, *d2;
+ const UnitFileList *u = a, *v = b;
+
+ d1 = strrchr(u->path, '.');
+ d2 = strrchr(v->path, '.');
+
+ if (d1 && d2) {
+ int r;
+
+ r = strcasecmp(d1, d2);
+ if (r != 0)
+ return r;
+ }
+
+ return strcasecmp(basename(u->path), basename(v->path));
+}
+
+static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
+ if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
+ return false;
+
+ if (!strv_isempty(arg_types)) {
+ const char *dot;
+
+ dot = strrchr(u->path, '.');
+ if (!dot)
+ return false;
+
+ if (!strv_find(arg_types, dot+1))
+ return false;
+ }
+
+ if (!strv_isempty(arg_states) &&
+ !strv_find(arg_states, unit_file_state_to_string(u->state)))
+ return false;
+
+ return true;
+}
+
+static void output_unit_file_list(const UnitFileList *units, unsigned c) {
+ unsigned max_id_len, id_cols, state_cols;
+ const UnitFileList *u;
+
+ max_id_len = strlen("UNIT FILE");
+ state_cols = strlen("STATE");
+
+ for (u = units; u < units + c; u++) {
+ max_id_len = MAX(max_id_len, strlen(basename(u->path)));
+ state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
+ }
+
+ if (!arg_full) {
+ unsigned basic_cols;
+
+ id_cols = MIN(max_id_len, 25u);
+ basic_cols = 1 + id_cols + state_cols;
+ if (basic_cols < (unsigned) columns())
+ id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
+ } else
+ id_cols = max_id_len;
+
+ if (!arg_no_legend)
+ printf("%-*s %-*s\n",
+ id_cols, "UNIT FILE",
+ state_cols, "STATE");
+
+ for (u = units; u < units + c; u++) {
+ _cleanup_free_ char *e = NULL;
+ const char *on, *off;
+ const char *id;
+
+ if (IN_SET(u->state,
+ UNIT_FILE_MASKED,
+ UNIT_FILE_MASKED_RUNTIME,
+ UNIT_FILE_DISABLED,
+ UNIT_FILE_BAD)) {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ } else if (u->state == UNIT_FILE_ENABLED) {
+ on = ansi_highlight_green();
+ off = ansi_normal();
+ } else
+ on = off = "";
+
+ id = basename(u->path);
+
+ e = arg_full ? NULL : ellipsize(id, id_cols, 33);
+
+ printf("%-*s %s%-*s%s\n",
+ id_cols, e ? e : id,
+ on, state_cols, unit_file_state_to_string(u->state), off);
+ }
+
+ if (!arg_no_legend)
+ printf("\n%u unit files listed.\n", c);
+}
+
+static int list_unit_files(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ UnitFileList *units = NULL;
+ UnitFileList *unit;
+ size_t size = 0;
+ unsigned c = 0;
+ const char *state;
+ char *path;
+ int r;
+
+ pager_open_if_enabled();
+
+ if (install_client_side()) {
+ Hashmap *h;
+ UnitFileList *u;
+ Iterator i;
+ unsigned n_units;
+
+ h = hashmap_new(&string_hash_ops);
+ if (!h)
+ return log_oom();
+
+ r = unit_file_get_list(arg_scope, arg_root, h);
+ if (r < 0) {
+ unit_file_list_free(h);
+ return log_error_errno(r, "Failed to get unit file list: %m");
+ }
+
+ n_units = hashmap_size(h);
+
+ units = new(UnitFileList, n_units);
+ if (!units && n_units > 0) {
+ unit_file_list_free(h);
+ return log_oom();
+ }
+
+ HASHMAP_FOREACH(u, h, i) {
+ if (!output_show_unit_file(u, strv_skip(argv, 1)))
+ continue;
+
+ units[c++] = *u;
+ free(u);
+ }
+
+ assert(c <= n_units);
+ hashmap_free(h);
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnitFiles",
+ &error,
+ &reply,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
+
+ if (!GREEDY_REALLOC(units, size, c + 1))
+ return log_oom();
+
+ units[c] = (struct UnitFileList) {
+ path,
+ unit_file_state_from_string(state)
+ };
+
+ if (output_show_unit_file(&units[c], strv_skip(argv, 1)))
+ c ++;
+
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list);
+ output_unit_file_list(units, c);
+
+ if (install_client_side()) {
+ for (unit = units; unit < units + c; unit++)
+ free(unit->path);
+ }
+
+ return 0;
+}
+
+static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) {
+ _cleanup_free_ char *n = NULL;
+ size_t max_len = MAX(columns(),20u);
+ size_t len = 0;
+ int i;
+
+ if (!arg_plain) {
+
+ for (i = level - 1; i >= 0; i--) {
+ len += 2;
+ if (len > max_len - 3 && !arg_full) {
+ printf("%s...\n",max_len % 2 ? "" : " ");
+ return 0;
+ }
+ printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
+ }
+ len += 2;
+
+ if (len > max_len - 3 && !arg_full) {
+ printf("%s...\n",max_len % 2 ? "" : " ");
+ return 0;
+ }
+
+ printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
+ }
+
+ if (arg_full){
+ printf("%s\n", name);
+ return 0;
+ }
+
+ n = ellipsize(name, max_len-len, 100);
+ if (!n)
+ return log_oom();
+
+ printf("%s\n", n);
+ return 0;
+}
+
+static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
+
+ static const char *dependencies[_DEPENDENCY_MAX] = {
+ [DEPENDENCY_FORWARD] = "Requires\0"
+ "Requisite\0"
+ "Wants\0"
+ "ConsistsOf\0"
+ "BindsTo\0",
+ [DEPENDENCY_REVERSE] = "RequiredBy\0"
+ "RequisiteOf\0"
+ "WantedBy\0"
+ "PartOf\0"
+ "BoundBy\0",
+ [DEPENDENCY_AFTER] = "After\0",
+ [DEPENDENCY_BEFORE] = "Before\0",
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **ret = NULL;
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ assert(bus);
+ assert(name);
+ assert(deps);
+ assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX);
+
+ path = unit_dbus_path_from_name(name);
+ if (!path)
+ return log_oom();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &error,
+ &reply,
+ "s", "org.freedesktop.systemd1.Unit");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+ const char *prop;
+
+ r = sd_bus_message_read(reply, "s", &prop);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!nulstr_contains(dependencies[arg_dependency], prop)) {
+ r = sd_bus_message_skip(reply, "v");
+ if (r < 0)
+ return bus_log_parse_error(r);
+ } else {
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = bus_message_read_strv_extend(reply, &ret);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ *deps = ret;
+ ret = NULL;
+
+ return 0;
+}
+
+static int list_dependencies_compare(const void *_a, const void *_b) {
+ const char **a = (const char**) _a, **b = (const char**) _b;
+
+ if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
+ return 1;
+ if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
+ return -1;
+
+ return strcasecmp(*a, *b);
+}
+
+static int list_dependencies_one(
+ sd_bus *bus,
+ const char *name,
+ int level,
+ char ***units,
+ unsigned int branches) {
+
+ _cleanup_strv_free_ char **deps = NULL;
+ char **c;
+ int r = 0;
+
+ assert(bus);
+ assert(name);
+ assert(units);
+
+ r = strv_extend(units, name);
+ if (r < 0)
+ return log_oom();
+
+ r = list_dependencies_get_dependencies(bus, name, &deps);
+ if (r < 0)
+ return r;
+
+ qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
+
+ STRV_FOREACH(c, deps) {
+ if (strv_contains(*units, *c)) {
+ if (!arg_plain) {
+ r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
+ if (r < 0)
+ return r;
+ }
+ continue;
+ }
+
+ if (arg_plain)
+ printf(" ");
+ else {
+ int state;
+ const char *on;
+
+ state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
+ on = state > 0 ? ansi_highlight_green() : ansi_highlight_red();
+ printf("%s%s%s ", on, draw_special_char(DRAW_BLACK_CIRCLE), ansi_normal());
+ }
+
+ r = list_dependencies_print(*c, level, branches, c[1] == NULL);
+ if (r < 0)
+ return r;
+
+ if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
+ r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
+ if (r < 0)
+ return r;
+ }
+ }
+
+ if (!arg_plain)
+ strv_remove(*units, name);
+
+ return 0;
+}
+
+static int list_dependencies(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **units = NULL;
+ _cleanup_free_ char *unit = NULL;
+ const char *u;
+ sd_bus *bus;
+ int r;
+
+ if (argv[1]) {
+ r = unit_name_mangle(argv[1], UNIT_NAME_NOGLOB, &unit);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ u = unit;
+ } else
+ u = SPECIAL_DEFAULT_TARGET;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ puts(u);
+
+ return list_dependencies_one(bus, u, 0, &units, 0);
+}
+
+struct machine_info {
+ bool is_host;
+ char *name;
+ char *state;
+ char *control_group;
+ uint32_t n_failed_units;
+ uint32_t n_jobs;
+ usec_t timestamp;
+};
+
+static const struct bus_properties_map machine_info_property_map[] = {
+ { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
+ { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
+ { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
+ { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
+ { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
+ {}
+};
+
+static void machine_info_clear(struct machine_info *info) {
+ if (info) {
+ free(info->name);
+ free(info->state);
+ free(info->control_group);
+ zero(*info);
+ }
+}
+
+static void free_machines_list(struct machine_info *machine_infos, int n) {
+ int i;
+
+ if (!machine_infos)
+ return;
+
+ for (i = 0; i < n; i++)
+ machine_info_clear(&machine_infos[i]);
+
+ free(machine_infos);
+}
+
+static int compare_machine_info(const void *a, const void *b) {
+ const struct machine_info *u = a, *v = b;
+
+ if (u->is_host != v->is_host)
+ return u->is_host > v->is_host ? -1 : 1;
+
+ return strcasecmp(u->name, v->name);
+}
+
+static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
+ int r;
+
+ assert(mi);
+
+ if (!bus) {
+ r = sd_bus_open_system_machine(&container, mi->name);
+ if (r < 0)
+ return r;
+
+ bus = container;
+ }
+
+ r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static bool output_show_machine(const char *name, char **patterns) {
+ return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
+}
+
+static int get_machine_list(
+ sd_bus *bus,
+ struct machine_info **_machine_infos,
+ char **patterns) {
+
+ struct machine_info *machine_infos = NULL;
+ _cleanup_strv_free_ char **m = NULL;
+ _cleanup_free_ char *hn = NULL;
+ size_t sz = 0;
+ char **i;
+ int c = 0, r;
+
+ hn = gethostname_malloc();
+ if (!hn)
+ return log_oom();
+
+ if (output_show_machine(hn, patterns)) {
+ if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
+ return log_oom();
+
+ machine_infos[c].is_host = true;
+ machine_infos[c].name = hn;
+ hn = NULL;
+
+ get_machine_properties(bus, &machine_infos[c]);
+ c++;
+ }
+
+ r = sd_get_machine_names(&m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine list: %m");
+
+ STRV_FOREACH(i, m) {
+ _cleanup_free_ char *class = NULL;
+
+ if (!output_show_machine(*i, patterns))
+ continue;
+
+ sd_machine_get_class(*i, &class);
+ if (!streq_ptr(class, "container"))
+ continue;
+
+ if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
+ free_machines_list(machine_infos, c);
+ return log_oom();
+ }
+
+ machine_infos[c].is_host = false;
+ machine_infos[c].name = strdup(*i);
+ if (!machine_infos[c].name) {
+ free_machines_list(machine_infos, c);
+ return log_oom();
+ }
+
+ get_machine_properties(NULL, &machine_infos[c]);
+ c++;
+ }
+
+ *_machine_infos = machine_infos;
+ return c;
+}
+
+static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
+ struct machine_info *m;
+ unsigned
+ circle_len = 0,
+ namelen = sizeof("NAME") - 1,
+ statelen = sizeof("STATE") - 1,
+ failedlen = sizeof("FAILED") - 1,
+ jobslen = sizeof("JOBS") - 1;
+
+ assert(machine_infos || n == 0);
+
+ for (m = machine_infos; m < machine_infos + n; m++) {
+ namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0));
+ statelen = MAX(statelen, m->state ? strlen(m->state) : 0);
+ failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
+ jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
+
+ if (!arg_plain && !streq_ptr(m->state, "running"))
+ circle_len = 2;
+ }
+
+ if (!arg_no_legend) {
+ if (circle_len > 0)
+ fputs(" ", stdout);
+
+ printf("%-*s %-*s %-*s %-*s\n",
+ namelen, "NAME",
+ statelen, "STATE",
+ failedlen, "FAILED",
+ jobslen, "JOBS");
+ }
+
+ for (m = machine_infos; m < machine_infos + n; m++) {
+ const char *on_state = "", *off_state = "";
+ const char *on_failed = "", *off_failed = "";
+ bool circle = false;
+
+ if (streq_ptr(m->state, "degraded")) {
+ on_state = ansi_highlight_red();
+ off_state = ansi_normal();
+ circle = true;
+ } else if (!streq_ptr(m->state, "running")) {
+ on_state = ansi_highlight_yellow();
+ off_state = ansi_normal();
+ circle = true;
+ }
+
+ if (m->n_failed_units > 0) {
+ on_failed = ansi_highlight_red();
+ off_failed = ansi_normal();
+ } else
+ on_failed = off_failed = "";
+
+ if (circle_len > 0)
+ printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
+
+ if (m->is_host)
+ printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
+ (int) (namelen - (sizeof(" (host)")-1)), strna(m->name),
+ on_state, statelen, strna(m->state), off_state,
+ on_failed, failedlen, m->n_failed_units, off_failed,
+ jobslen, m->n_jobs);
+ else
+ printf("%-*s %s%-*s%s %s%*u%s %*u\n",
+ namelen, strna(m->name),
+ on_state, statelen, strna(m->state), off_state,
+ on_failed, failedlen, m->n_failed_units, off_failed,
+ jobslen, m->n_jobs);
+ }
+
+ if (!arg_no_legend)
+ printf("\n%u machines listed.\n", n);
+}
+
+static int list_machines(int argc, char *argv[], void *userdata) {
+ struct machine_info *machine_infos = NULL;
+ sd_bus *bus;
+ int r;
+
+ if (geteuid() != 0) {
+ log_error("Must be root.");
+ return -EPERM;
+ }
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
+ if (r < 0)
+ return r;
+
+ qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info);
+ output_machines_list(machine_infos, r);
+ free_machines_list(machine_infos, r);
+
+ return 0;
+}
+
+static int get_default(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ char *_path = NULL;
+ const char *path;
+ int r;
+
+ if (install_client_side()) {
+ r = unit_file_get_default(arg_scope, arg_root, &_path);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get default target: %m");
+ path = _path;
+
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetDefaultTarget",
+ &error,
+ &reply,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ if (path)
+ printf("%s\n", path);
+
+ return 0;
+}
+
+static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) {
+ unsigned i;
+
+ assert(changes || n_changes == 0);
+
+ for (i = 0; i < n_changes; i++) {
+ if (changes[i].type == UNIT_FILE_SYMLINK)
+ log_info("Created symlink %s, pointing to %s.", changes[i].path, changes[i].source);
+ else
+ log_info("Removed symlink %s.", changes[i].path);
+ }
+}
+
+static int set_default(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *unit = NULL;
+ int r;
+
+ assert(argc >= 2);
+ assert(argv);
+
+ r = unit_name_mangle_with_suffix(argv[1], UNIT_NAME_NOGLOB, ".target", &unit);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ if (install_client_side()) {
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+
+ r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default target: %m");
+
+ if (!arg_quiet)
+ dump_unit_file_changes(changes, n_changes);
+
+ unit_file_changes_free(changes, n_changes);
+ r = 0;
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ sd_bus *bus;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SetDefaultTarget",
+ &error,
+ &reply,
+ "sb", unit, 1);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
+
+ r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ /* Try to reload if enabled */
+ if (!arg_no_reload)
+ r = daemon_reload(argc, argv, userdata);
+ else
+ r = 0;
+ }
+
+ return r;
+}
+
+struct job_info {
+ uint32_t id;
+ const char *name, *type, *state;
+};
+
+static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) {
+ unsigned id_len, unit_len, type_len, state_len;
+ const struct job_info *j;
+ const char *on, *off;
+ bool shorten = false;
+
+ assert(n == 0 || jobs);
+
+ if (n == 0) {
+ if (!arg_no_legend) {
+ on = ansi_highlight_green();
+ off = ansi_normal();
+
+ printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
+ }
+ return;
+ }
+
+ pager_open_if_enabled();
+
+ id_len = strlen("JOB");
+ unit_len = strlen("UNIT");
+ type_len = strlen("TYPE");
+ state_len = strlen("STATE");
+
+ for (j = jobs; j < jobs + n; j++) {
+ uint32_t id = j->id;
+ assert(j->name && j->type && j->state);
+
+ id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
+ unit_len = MAX(unit_len, strlen(j->name));
+ type_len = MAX(type_len, strlen(j->type));
+ state_len = MAX(state_len, strlen(j->state));
+ }
+
+ if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
+ unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
+ shorten = true;
+ }
+
+ if (!arg_no_legend)
+ printf("%*s %-*s %-*s %-*s\n",
+ id_len, "JOB",
+ unit_len, "UNIT",
+ type_len, "TYPE",
+ state_len, "STATE");
+
+ for (j = jobs; j < jobs + n; j++) {
+ _cleanup_free_ char *e = NULL;
+
+ if (streq(j->state, "running")) {
+ on = ansi_highlight();
+ off = ansi_normal();
+ } else
+ on = off = "";
+
+ e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
+ printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
+ id_len, j->id,
+ on, unit_len, e ? e : j->name, off,
+ type_len, j->type,
+ on, state_len, j->state, off);
+ }
+
+ if (!arg_no_legend) {
+ on = ansi_highlight();
+ off = ansi_normal();
+
+ printf("\n%s%u jobs listed%s.\n", on, n, off);
+ }
+}
+
+static bool output_show_job(struct job_info *job, char **patterns) {
+ return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
+}
+
+static int list_jobs(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *name, *type, *state, *job_path, *unit_path;
+ _cleanup_free_ struct job_info *jobs = NULL;
+ size_t size = 0;
+ unsigned c = 0;
+ sd_bus *bus;
+ uint32_t id;
+ int r;
+ bool skipped = false;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListJobs",
+ &error,
+ &reply,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) {
+ struct job_info job = { id, name, type, state };
+
+ if (!output_show_job(&job, strv_skip(argv, 1))) {
+ skipped = true;
+ continue;
+ }
+
+ if (!GREEDY_REALLOC(jobs, size, c + 1))
+ return log_oom();
+
+ jobs[c++] = job;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ output_jobs_list(jobs, c, skipped);
+ return 0;
+}
+
+static int cancel_job(int argc, char *argv[], void *userdata) {
+ sd_bus *bus;
+ char **name;
+ int r = 0;
+
+ if (argc <= 1)
+ return daemon_reload(argc, argv, userdata);
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, strv_skip(argv, 1)) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ uint32_t id;
+ int q;
+
+ q = safe_atou32(*name, &id);
+ if (q < 0)
+ return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
+
+ q = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "CancelJob",
+ &error,
+ NULL,
+ "u", id);
+ if (q < 0) {
+ log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
+ if (r == 0)
+ r = q;
+ }
+ }
+
+ return r;
+}
+
+static int need_daemon_reload(sd_bus *bus, const char *unit) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *path;
+ int b, r;
+
+ /* We ignore all errors here, since this is used to show a
+ * warning only */
+
+ /* We don't use unit_dbus_path_from_name() directly since we
+ * don't want to load the unit if it isn't loaded. */
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit",
+ NULL,
+ &reply,
+ "s", unit);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_get_property_trivial(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "NeedDaemonReload",
+ NULL,
+ 'b', &b);
+ if (r < 0)
+ return r;
+
+ return b;
+}
+
+static void warn_unit_file_changed(const char *name) {
+ log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
+ ansi_highlight_red(),
+ ansi_normal(),
+ name,
+ arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
+}
+
+static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) {
+ char **p;
+
+ assert(lp);
+ assert(unit_name);
+ assert(unit_path);
+
+ STRV_FOREACH(p, lp->unit_path) {
+ _cleanup_free_ char *path;
+
+ path = path_join(arg_root, *p, unit_name);
+ if (!path)
+ return log_oom();
+
+ if (access(path, F_OK) == 0) {
+ *unit_path = path;
+ path = NULL;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int unit_find_paths(
+ sd_bus *bus,
+ const char *unit_name,
+ LookupPaths *lp,
+ char **fragment_path,
+ char ***dropin_paths) {
+
+ _cleanup_free_ char *path = NULL;
+ _cleanup_strv_free_ char **dropins = NULL;
+ int r;
+
+ /**
+ * Finds where the unit is defined on disk. Returns 0 if the unit
+ * is not found. Returns 1 if it is found, and sets
+ * - the path to the unit in *path, if it exists on disk,
+ * - and a strv of existing drop-ins in *dropins,
+ * if the arg is not NULL and any dropins were found.
+ */
+
+ assert(unit_name);
+ assert(fragment_path);
+ assert(lp);
+
+ if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *unit = NULL;
+
+ unit = unit_dbus_path_from_name(unit_name);
+ if (!unit)
+ return log_oom();
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ unit,
+ "org.freedesktop.systemd1.Unit",
+ "FragmentPath",
+ &error,
+ &path);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
+
+ if (dropin_paths) {
+ r = sd_bus_get_property_strv(
+ bus,
+ "org.freedesktop.systemd1",
+ unit,
+ "org.freedesktop.systemd1.Unit",
+ "DropInPaths",
+ &error,
+ &dropins);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
+ }
+ } else {
+ _cleanup_set_free_ Set *names;
+
+ names = set_new(NULL);
+ if (!names)
+ return log_oom();
+
+ r = set_put(names, unit_name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add unit name: %m");
+
+ r = unit_file_find_path(lp, unit_name, &path);
+ if (r < 0)
+ return r;
+
+ if (r == 0) {
+ _cleanup_free_ char *template = NULL;
+
+ r = unit_name_template(unit_name, &template);
+ if (r < 0 && r != -EINVAL)
+ return log_error_errno(r, "Failed to determine template name: %m");
+ if (r >= 0) {
+ r = unit_file_find_path(lp, template, &path);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ if (dropin_paths) {
+ r = unit_file_find_dropin_paths(lp->unit_path, NULL, names, &dropins);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ r = 0;
+
+ if (!isempty(path)) {
+ *fragment_path = path;
+ path = NULL;
+ r = 1;
+ }
+
+ if (dropin_paths && !strv_isempty(dropins)) {
+ *dropin_paths = dropins;
+ dropins = NULL;
+ r = 1;
+ }
+
+ if (r == 0)
+ log_error("No files found for %s.", unit_name);
+
+ return r;
+}
+
+static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ char *buf = NULL;
+ const char *path, *state;
+ int r;
+
+ assert(name);
+
+ /* We don't use unit_dbus_path_from_name() directly since we don't want to load the unit unnecessarily, if it
+ * isn't loaded. */
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit",
+ &error,
+ &reply,
+ "s", name);
+ if (r < 0) {
+ if (!sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
+ return log_error_errno(r, "Failed to retrieve unit: %s", bus_error_message(&error, r));
+
+ /* The unit is currently not loaded, hence say it's "inactive", since all units that aren't loaded are
+ * considered inactive. */
+ state = "inactive";
+
+ } else {
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveState",
+ &error,
+ &buf);
+ if (r < 0)
+ return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
+
+ state = buf;
+ }
+
+ if (!quiet)
+ puts(state);
+
+ return nulstr_contains(good_states, state);
+}
+
+static int check_triggering_units(
+ sd_bus *bus,
+ const char *name) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL;
+ _cleanup_strv_free_ char **triggered_by = NULL;
+ bool print_warning_label = true;
+ char **i;
+ int r;
+
+ r = unit_name_mangle(name, UNIT_NAME_NOGLOB, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ path = unit_dbus_path_from_name(n);
+ if (!path)
+ return log_oom();
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "LoadState",
+ &error,
+ &state);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get load state of %s: %s", n, bus_error_message(&error, r));
+
+ if (streq(state, "masked"))
+ return 0;
+
+ r = sd_bus_get_property_strv(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "TriggeredBy",
+ &error,
+ &triggered_by);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
+
+ STRV_FOREACH(i, triggered_by) {
+ r = check_one_unit(bus, *i, "active\0reloading\0", true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to check unit: %m");
+
+ if (r == 0)
+ continue;
+
+ if (print_warning_label) {
+ log_warning("Warning: Stopping %s, but it can still be activated by:", n);
+ print_warning_label = false;
+ }
+
+ log_warning(" %s", *i);
+ }
+
+ return 0;
+}
+
+static const struct {
+ const char *verb;
+ const char *method;
+} unit_actions[] = {
+ { "start", "StartUnit" },
+ { "stop", "StopUnit" },
+ { "condstop", "StopUnit" },
+ { "reload", "ReloadUnit" },
+ { "restart", "RestartUnit" },
+ { "try-restart", "TryRestartUnit" },
+ { "condrestart", "TryRestartUnit" },
+ { "reload-or-restart", "ReloadOrRestartUnit" },
+ { "try-reload-or-restart", "ReloadOrTryRestartUnit" },
+ { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
+ { "condreload", "ReloadOrTryRestartUnit" },
+ { "force-reload", "ReloadOrTryRestartUnit" }
+};
+
+static const char *verb_to_method(const char *verb) {
+ uint i;
+
+ for (i = 0; i < ELEMENTSOF(unit_actions); i++)
+ if (streq_ptr(unit_actions[i].verb, verb))
+ return unit_actions[i].method;
+
+ return "StartUnit";
+}
+
+static const char *method_to_verb(const char *method) {
+ uint i;
+
+ for (i = 0; i < ELEMENTSOF(unit_actions); i++)
+ if (streq_ptr(unit_actions[i].method, method))
+ return unit_actions[i].verb;
+
+ return "n/a";
+}
+
+static int start_unit_one(
+ sd_bus *bus,
+ const char *method,
+ const char *name,
+ const char *mode,
+ sd_bus_error *error,
+ BusWaitForJobs *w) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *path;
+ int r;
+
+ assert(method);
+ assert(name);
+ assert(mode);
+ assert(error);
+
+ log_debug("Calling manager for %s on %s, %s", method, name, mode);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method,
+ error,
+ &reply,
+ "ss", name, mode);
+ if (r < 0) {
+ const char *verb;
+
+ if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
+ /* There's always a fallback possible for
+ * legacy actions. */
+ return -EADDRNOTAVAIL;
+
+ verb = method_to_verb(method);
+
+ log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
+
+ if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
+ !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED))
+ log_error("See system logs and 'systemctl status %s' for details.", name);
+
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (need_daemon_reload(bus, name) > 0)
+ warn_unit_file_changed(name);
+
+ if (w) {
+ log_debug("Adding %s to the set", path);
+ r = bus_wait_for_jobs_add(w, path);
+ if (r < 0)
+ return log_oom();
+ }
+
+ return 0;
+}
+
+static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
+ _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
+ char **name;
+ int r, i;
+
+ assert(bus);
+ assert(ret);
+
+ STRV_FOREACH(name, names) {
+ char *t;
+
+ if (suffix)
+ r = unit_name_mangle_with_suffix(*name, UNIT_NAME_GLOB, suffix, &t);
+ else
+ r = unit_name_mangle(*name, UNIT_NAME_GLOB, &t);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle name: %m");
+
+ if (string_is_glob(t))
+ r = strv_consume(&globs, t);
+ else
+ r = strv_consume(&mangled, t);
+ if (r < 0)
+ return log_oom();
+ }
+
+ /* Query the manager only if any of the names are a glob, since
+ * this is fairly expensive */
+ if (!strv_isempty(globs)) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ size_t allocated, n;
+
+ r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
+ if (r < 0)
+ return r;
+
+ n = strv_length(mangled);
+ allocated = n + 1;
+
+ for (i = 0; i < r; i++) {
+ if (!GREEDY_REALLOC(mangled, allocated, n+2))
+ return log_oom();
+
+ mangled[n] = strdup(unit_infos[i].id);
+ if (!mangled[n])
+ return log_oom();
+
+ mangled[++n] = NULL;
+ }
+ }
+
+ *ret = mangled;
+ mangled = NULL; /* do not free */
+
+ return 0;
+}
+
+static const struct {
+ const char *target;
+ const char *verb;
+ const char *mode;
+} action_table[_ACTION_MAX] = {
+ [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
+ [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
+ [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
+ [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
+ [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
+ [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
+ [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
+ [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
+ [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
+ [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
+ [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
+ [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
+ [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
+ [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
+ [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
+};
+
+static enum action verb_to_action(const char *verb) {
+ enum action i;
+
+ for (i = _ACTION_INVALID; i < _ACTION_MAX; i++)
+ if (streq_ptr(action_table[i].verb, verb))
+ return i;
+
+ return _ACTION_INVALID;
+}
+
+static int start_unit(int argc, char *argv[], void *userdata) {
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
+ const char *method, *mode, *one_name, *suffix = NULL;
+ _cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
+ char **name;
+ int r = 0;
+
+ ask_password_agent_open_if_enabled();
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ if (arg_action == ACTION_SYSTEMCTL) {
+ enum action action;
+
+ method = verb_to_method(argv[0]);
+ action = verb_to_action(argv[0]);
+
+ if (streq(argv[0], "isolate")) {
+ mode = "isolate";
+ suffix = ".target";
+ } else
+ mode = action_table[action].mode ?: arg_job_mode;
+
+ one_name = action_table[action].target;
+ } else {
+ assert(arg_action < ELEMENTSOF(action_table));
+ assert(action_table[arg_action].target);
+
+ method = "StartUnit";
+
+ mode = action_table[arg_action].mode;
+ one_name = action_table[arg_action].target;
+ }
+
+ if (one_name)
+ names = strv_new(one_name, NULL);
+ else {
+ r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+ }
+
+ if (!arg_no_block) {
+ r = bus_wait_for_jobs_new(bus, &w);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
+ }
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int q;
+
+ q = start_unit_one(bus, method, *name, mode, &error, w);
+ if (r >= 0 && q < 0)
+ r = translate_bus_error_to_exit_status(q, &error);
+ }
+
+ if (!arg_no_block) {
+ int q;
+
+ q = bus_wait_for_jobs(w, arg_quiet, arg_scope != UNIT_FILE_SYSTEM ? "--user" : NULL);
+ if (q < 0)
+ return q;
+
+ /* When stopping units, warn if they can still be triggered by
+ * another active unit (socket, path, timer) */
+ if (!arg_quiet && streq(method, "StopUnit"))
+ STRV_FOREACH(name, names)
+ check_triggering_units(bus, *name);
+ }
+
+ return r;
+}
+
+static int logind_set_wall_message(void) {
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+ _cleanup_free_ char *m = NULL;
+ int r;
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ m = strv_join(arg_wall, " ");
+ if (!m)
+ return log_oom();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "SetWallMessage",
+ &error,
+ NULL,
+ "sb",
+ m,
+ !arg_no_wall);
+
+ if (r < 0)
+ return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
+
+#endif
+ return 0;
+}
+
+/* Ask systemd-logind, which might grant access to unprivileged users
+ * through PolicyKit */
+static int logind_reboot(enum action a) {
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *method, *description;
+ sd_bus *bus;
+ int r;
+
+ polkit_agent_open_if_enabled();
+ (void) logind_set_wall_message();
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ switch (a) {
+
+ case ACTION_REBOOT:
+ method = "Reboot";
+ description = "reboot system";
+ break;
+
+ case ACTION_POWEROFF:
+ method = "PowerOff";
+ description = "power off system";
+ break;
+
+ case ACTION_SUSPEND:
+ method = "Suspend";
+ description = "suspend system";
+ break;
+
+ case ACTION_HIBERNATE:
+ method = "Hibernate";
+ description = "hibernate system";
+ break;
+
+ case ACTION_HYBRID_SLEEP:
+ method = "HybridSleep";
+ description = "put system into hybrid sleep";
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ method,
+ &error,
+ NULL,
+ "b", arg_ask_password);
+ if (r < 0)
+ return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r));
+
+ return 0;
+#else
+ return -ENOSYS;
+#endif
+}
+
+static int logind_check_inhibitors(enum action a) {
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **sessions = NULL;
+ const char *what, *who, *why, *mode;
+ uint32_t uid, pid;
+ sd_bus *bus;
+ unsigned c = 0;
+ char **s;
+ int r;
+
+ if (arg_ignore_inhibitors || arg_force > 0)
+ return 0;
+
+ if (arg_when > 0)
+ return 0;
+
+ if (geteuid() == 0)
+ return 0;
+
+ if (!on_tty())
+ return 0;
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ListInhibitors",
+ NULL,
+ &reply,
+ NULL);
+ if (r < 0)
+ /* If logind is not around, then there are no inhibitors... */
+ return 0;
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
+ _cleanup_free_ char *comm = NULL, *user = NULL;
+ _cleanup_strv_free_ char **sv = NULL;
+
+ if (!streq(mode, "block"))
+ continue;
+
+ sv = strv_split(what, ":");
+ if (!sv)
+ return log_oom();
+
+ if ((pid_t) pid < 0)
+ return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid);
+
+ if (!strv_contains(sv,
+ IN_SET(a,
+ ACTION_HALT,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_KEXEC) ? "shutdown" : "sleep"))
+ continue;
+
+ get_process_comm(pid, &comm);
+ user = uid_to_name(uid);
+
+ log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
+ who, (pid_t) pid, strna(comm), strna(user), why);
+
+ c++;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ /* Check for current sessions */
+ sd_get_sessions(&sessions);
+ STRV_FOREACH(s, sessions) {
+ _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
+
+ if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
+ continue;
+
+ if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
+ continue;
+
+ if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty")))
+ continue;
+
+ sd_session_get_tty(*s, &tty);
+ sd_session_get_seat(*s, &seat);
+ sd_session_get_service(*s, &service);
+ user = uid_to_name(uid);
+
+ log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
+ c++;
+ }
+
+ if (c <= 0)
+ return 0;
+
+ log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
+ action_table[a].verb);
+
+ return -EPERM;
+#else
+ return 0;
+#endif
+}
+
+static int logind_prepare_firmware_setup(void) {
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "SetRebootToFirmwareSetup",
+ &error,
+ NULL,
+ "b", true);
+ if (r < 0)
+ return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
+
+ return 0;
+#else
+ log_error("Cannot remotely indicate to EFI to boot into setup mode.");
+ return -ENOSYS;
+#endif
+}
+
+static int prepare_firmware_setup(void) {
+ int r;
+
+ if (!arg_firmware_setup)
+ return 0;
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+
+ r = efi_set_reboot_to_firmware(true);
+ if (r < 0)
+ log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m");
+ else
+ return r;
+ }
+
+ return logind_prepare_firmware_setup();
+}
+
+static int set_exit_code(uint8_t code) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SetExitCode",
+ &error,
+ NULL,
+ "y", code);
+ if (r < 0)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int start_special(int argc, char *argv[], void *userdata) {
+ enum action a;
+ int r;
+
+ assert(argv);
+
+ a = verb_to_action(argv[0]);
+
+ r = logind_check_inhibitors(a);
+ if (r < 0)
+ return r;
+
+ if (arg_force >= 2 && geteuid() != 0) {
+ log_error("Must be root.");
+ return -EPERM;
+ }
+
+ r = prepare_firmware_setup();
+ if (r < 0)
+ return r;
+
+ if (a == ACTION_REBOOT && argc > 1) {
+ r = update_reboot_param_file(argv[1]);
+ if (r < 0)
+ return r;
+
+ } else if (a == ACTION_EXIT && argc > 1) {
+ uint8_t code;
+
+ /* If the exit code is not given on the command line,
+ * don't reset it to zero: just keep it as it might
+ * have been set previously. */
+
+ r = safe_atou8(argv[1], &code);
+ if (r < 0)
+ return log_error_errno(r, "Invalid exit code.");
+
+ r = set_exit_code(code);
+ if (r < 0)
+ return r;
+ }
+
+ if (arg_force >= 2 &&
+ IN_SET(a,
+ ACTION_HALT,
+ ACTION_POWEROFF,
+ ACTION_REBOOT))
+ return halt_now(a);
+
+ if (arg_force >= 1 &&
+ IN_SET(a,
+ ACTION_HALT,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_KEXEC,
+ ACTION_EXIT))
+ return daemon_reload(argc, argv, userdata);
+
+ /* First try logind, to allow authentication with polkit */
+ if (IN_SET(a,
+ ACTION_POWEROFF,
+ ACTION_REBOOT,
+ ACTION_SUSPEND,
+ ACTION_HIBERNATE,
+ ACTION_HYBRID_SLEEP)) {
+ r = logind_reboot(a);
+ if (r >= 0)
+ return r;
+ if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
+ /* requested operation is not supported or already in progress */
+ return r;
+
+ /* On all other errors, try low-level operation */
+ }
+
+ return start_unit(argc, argv, userdata);
+}
+
+static int check_unit_generic(int code, const char *good_states, char **args) {
+ _cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
+ char **name;
+ int r;
+ bool found = false;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, args, NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ STRV_FOREACH(name, names) {
+ int state;
+
+ state = check_one_unit(bus, *name, good_states, arg_quiet);
+ if (state < 0)
+ return state;
+ if (state > 0)
+ found = true;
+ }
+
+ /* use the given return code for the case that we won't find
+ * any unit which matches the list */
+ return found ? 0 : code;
+}
+
+static int check_unit_active(int argc, char *argv[], void *userdata) {
+ /* According to LSB: 3, "program is not running" */
+ return check_unit_generic(3, "active\0reloading\0", strv_skip(argv, 1));
+}
+
+static int check_unit_failed(int argc, char *argv[], void *userdata) {
+ return check_unit_generic(1, "failed\0", strv_skip(argv, 1));
+}
+
+static int kill_unit(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ char *kill_who = NULL, **name;
+ sd_bus *bus;
+ int r, q;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ if (!arg_kill_who)
+ arg_kill_who = "all";
+
+ /* --fail was specified */
+ if (streq(arg_job_mode, "fail"))
+ kill_who = strjoina(arg_kill_who, "-fail", NULL);
+
+ r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ q = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ &error,
+ NULL,
+ "ssi", *names, kill_who ? kill_who : arg_kill_who, arg_signal);
+ if (q < 0) {
+ log_error_errno(q, "Failed to kill unit %s: %s", *names, bus_error_message(&error, q));
+ if (r == 0)
+ r = q;
+ }
+ }
+
+ return r;
+}
+
+typedef struct ExecStatusInfo {
+ char *name;
+
+ char *path;
+ char **argv;
+
+ bool ignore;
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+ pid_t pid;
+ int code;
+ int status;
+
+ LIST_FIELDS(struct ExecStatusInfo, exec);
+} ExecStatusInfo;
+
+static void exec_status_info_free(ExecStatusInfo *i) {
+ assert(i);
+
+ free(i->name);
+ free(i->path);
+ strv_free(i->argv);
+ free(i);
+}
+
+static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) {
+ uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
+ const char *path;
+ uint32_t pid;
+ int32_t code, status;
+ int ignore, r;
+
+ assert(m);
+ assert(i);
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii");
+ if (r < 0)
+ return bus_log_parse_error(r);
+ else if (r == 0)
+ return 0;
+
+ r = sd_bus_message_read(m, "s", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ i->path = strdup(path);
+ if (!i->path)
+ return log_oom();
+
+ r = sd_bus_message_read_strv(m, &i->argv);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(m,
+ "bttttuii",
+ &ignore,
+ &start_timestamp, &start_timestamp_monotonic,
+ &exit_timestamp, &exit_timestamp_monotonic,
+ &pid,
+ &code, &status);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ i->ignore = ignore;
+ i->start_timestamp = (usec_t) start_timestamp;
+ i->exit_timestamp = (usec_t) exit_timestamp;
+ i->pid = (pid_t) pid;
+ i->code = code;
+ i->status = status;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 1;
+}
+
+typedef struct UnitStatusInfo {
+ const char *id;
+ const char *load_state;
+ const char *active_state;
+ const char *sub_state;
+ const char *unit_file_state;
+ const char *unit_file_preset;
+
+ const char *description;
+ const char *following;
+
+ char **documentation;
+
+ const char *fragment_path;
+ const char *source_path;
+ const char *control_group;
+
+ char **dropin_paths;
+
+ const char *load_error;
+ const char *result;
+
+ usec_t inactive_exit_timestamp;
+ usec_t inactive_exit_timestamp_monotonic;
+ usec_t active_enter_timestamp;
+ usec_t active_exit_timestamp;
+ usec_t inactive_enter_timestamp;
+
+ bool need_daemon_reload;
+ bool transient;
+
+ /* Service */
+ pid_t main_pid;
+ pid_t control_pid;
+ const char *status_text;
+ const char *pid_file;
+ bool running:1;
+ int status_errno;
+
+ usec_t start_timestamp;
+ usec_t exit_timestamp;
+
+ int exit_code, exit_status;
+
+ usec_t condition_timestamp;
+ bool condition_result;
+ bool failed_condition_trigger;
+ bool failed_condition_negate;
+ const char *failed_condition;
+ const char *failed_condition_parameter;
+
+ usec_t assert_timestamp;
+ bool assert_result;
+ bool failed_assert_trigger;
+ bool failed_assert_negate;
+ const char *failed_assert;
+ const char *failed_assert_parameter;
+
+ /* Socket */
+ unsigned n_accepted;
+ unsigned n_connections;
+ bool accept;
+
+ /* Pairs of type, path */
+ char **listen;
+
+ /* Device */
+ const char *sysfs_path;
+
+ /* Mount, Automount */
+ const char *where;
+
+ /* Swap */
+ const char *what;
+
+ /* CGroup */
+ uint64_t memory_current;
+ uint64_t memory_limit;
+ uint64_t cpu_usage_nsec;
+ uint64_t tasks_current;
+ uint64_t tasks_max;
+
+ LIST_HEAD(ExecStatusInfo, exec);
+} UnitStatusInfo;
+
+static void print_status_info(
+ UnitStatusInfo *i,
+ bool *ellipsized) {
+
+ ExecStatusInfo *p;
+ const char *active_on, *active_off, *on, *off, *ss;
+ usec_t timestamp;
+ char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1;
+ char since2[FORMAT_TIMESTAMP_MAX], *s2;
+ const char *path;
+ char **t, **t2;
+
+ assert(i);
+
+ /* This shows pretty information about a unit. See
+ * print_property() for a low-level property printer */
+
+ if (streq_ptr(i->active_state, "failed")) {
+ active_on = ansi_highlight_red();
+ active_off = ansi_normal();
+ } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
+ active_on = ansi_highlight_green();
+ active_off = ansi_normal();
+ } else
+ active_on = active_off = "";
+
+ printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
+
+ if (i->description && !streq_ptr(i->id, i->description))
+ printf(" - %s", i->description);
+
+ printf("\n");
+
+ if (i->following)
+ printf(" Follow: unit currently follows state of %s\n", i->following);
+
+ if (streq_ptr(i->load_state, "error")) {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ } else
+ on = off = "";
+
+ path = i->source_path ? i->source_path : i->fragment_path;
+
+ if (i->load_error != 0)
+ printf(" Loaded: %s%s%s (Reason: %s)\n",
+ on, strna(i->load_state), off, i->load_error);
+ else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset))
+ printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
+ on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
+ else if (path && !isempty(i->unit_file_state))
+ printf(" Loaded: %s%s%s (%s; %s)\n",
+ on, strna(i->load_state), off, path, i->unit_file_state);
+ else if (path)
+ printf(" Loaded: %s%s%s (%s)\n",
+ on, strna(i->load_state), off, path);
+ else
+ printf(" Loaded: %s%s%s\n",
+ on, strna(i->load_state), off);
+
+ if (i->transient)
+ printf("Transient: yes\n");
+
+ if (!strv_isempty(i->dropin_paths)) {
+ _cleanup_free_ char *dir = NULL;
+ bool last = false;
+ char ** dropin;
+
+ STRV_FOREACH(dropin, i->dropin_paths) {
+ if (! dir || last) {
+ printf(dir ? " " : " Drop-In: ");
+
+ dir = mfree(dir);
+
+ dir = dirname_malloc(*dropin);
+ if (!dir) {
+ log_oom();
+ return;
+ }
+
+ printf("%s\n %s", dir,
+ draw_special_char(DRAW_TREE_RIGHT));
+ }
+
+ last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
+
+ printf("%s%s", basename(*dropin), last ? "\n" : ", ");
+ }
+ }
+
+ ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
+ if (ss)
+ printf(" Active: %s%s (%s)%s",
+ active_on, strna(i->active_state), ss, active_off);
+ else
+ printf(" Active: %s%s%s",
+ active_on, strna(i->active_state), active_off);
+
+ if (!isempty(i->result) && !streq(i->result, "success"))
+ printf(" (Result: %s)", i->result);
+
+ timestamp = (streq_ptr(i->active_state, "active") ||
+ streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
+ (streq_ptr(i->active_state, "inactive") ||
+ streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
+ streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
+ i->active_exit_timestamp;
+
+ s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), timestamp);
+
+ if (s1)
+ printf(" since %s; %s\n", s2, s1);
+ else if (s2)
+ printf(" since %s\n", s2);
+ else
+ printf("\n");
+
+ if (!i->condition_result && i->condition_timestamp > 0) {
+ s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
+
+ printf("Condition: start %scondition failed%s at %s%s%s\n",
+ ansi_highlight_yellow(), ansi_normal(),
+ s2, s1 ? "; " : "", strempty(s1));
+ if (i->failed_condition_trigger)
+ printf(" none of the trigger conditions were met\n");
+ else if (i->failed_condition)
+ printf(" %s=%s%s was not met\n",
+ i->failed_condition,
+ i->failed_condition_negate ? "!" : "",
+ i->failed_condition_parameter);
+ }
+
+ if (!i->assert_result && i->assert_timestamp > 0) {
+ s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
+
+ printf(" Assert: start %sassertion failed%s at %s%s%s\n",
+ ansi_highlight_red(), ansi_normal(),
+ s2, s1 ? "; " : "", strempty(s1));
+ if (i->failed_assert_trigger)
+ printf(" none of the trigger assertions were met\n");
+ else if (i->failed_assert)
+ printf(" %s=%s%s was not met\n",
+ i->failed_assert,
+ i->failed_assert_negate ? "!" : "",
+ i->failed_assert_parameter);
+ }
+
+ if (i->sysfs_path)
+ printf(" Device: %s\n", i->sysfs_path);
+ if (i->where)
+ printf(" Where: %s\n", i->where);
+ if (i->what)
+ printf(" What: %s\n", i->what);
+
+ STRV_FOREACH(t, i->documentation)
+ printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t);
+
+ STRV_FOREACH_PAIR(t, t2, i->listen)
+ printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
+
+ if (i->accept)
+ printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
+
+ LIST_FOREACH(exec, p, i->exec) {
+ _cleanup_free_ char *argv = NULL;
+ bool good;
+
+ /* Only show exited processes here */
+ if (p->code == 0)
+ continue;
+
+ argv = strv_join(p->argv, " ");
+ printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
+
+ good = is_clean_exit_lsb(p->code, p->status, NULL);
+ if (!good) {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ } else
+ on = off = "";
+
+ printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
+
+ if (p->code == CLD_EXITED) {
+ const char *c;
+
+ printf("status=%i", p->status);
+
+ c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
+ if (c)
+ printf("/%s", c);
+
+ } else
+ printf("signal=%s", signal_to_string(p->status));
+
+ printf(")%s\n", off);
+
+ if (i->main_pid == p->pid &&
+ i->start_timestamp == p->start_timestamp &&
+ i->exit_timestamp == p->start_timestamp)
+ /* Let's not show this twice */
+ i->main_pid = 0;
+
+ if (p->pid == i->control_pid)
+ i->control_pid = 0;
+ }
+
+ if (i->main_pid > 0 || i->control_pid > 0) {
+ if (i->main_pid > 0) {
+ printf(" Main PID: "PID_FMT, i->main_pid);
+
+ if (i->running) {
+ _cleanup_free_ char *comm = NULL;
+ get_process_comm(i->main_pid, &comm);
+ if (comm)
+ printf(" (%s)", comm);
+ } else if (i->exit_code > 0) {
+ printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
+
+ if (i->exit_code == CLD_EXITED) {
+ const char *c;
+
+ printf("status=%i", i->exit_status);
+
+ c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
+ if (c)
+ printf("/%s", c);
+
+ } else
+ printf("signal=%s", signal_to_string(i->exit_status));
+ printf(")");
+ }
+
+ if (i->control_pid > 0)
+ printf(";");
+ }
+
+ if (i->control_pid > 0) {
+ _cleanup_free_ char *c = NULL;
+
+ printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid);
+
+ get_process_comm(i->control_pid, &c);
+ if (c)
+ printf(" (%s)", c);
+ }
+
+ printf("\n");
+ }
+
+ if (i->status_text)
+ printf(" Status: \"%s\"\n", i->status_text);
+ if (i->status_errno > 0)
+ printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
+
+ if (i->tasks_current != (uint64_t) -1) {
+ printf(" Tasks: %" PRIu64, i->tasks_current);
+
+ if (i->tasks_max != (uint64_t) -1)
+ printf(" (limit: %" PRIi64 ")\n", i->tasks_max);
+ else
+ printf("\n");
+ }
+
+ if (i->memory_current != (uint64_t) -1) {
+ char buf[FORMAT_BYTES_MAX];
+
+ printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
+
+ if (i->memory_limit != (uint64_t) -1)
+ printf(" (limit: %s)\n", format_bytes(buf, sizeof(buf), i->memory_limit));
+ else
+ printf("\n");
+ }
+
+ if (i->cpu_usage_nsec != (uint64_t) -1) {
+ char buf[FORMAT_TIMESPAN_MAX];
+ printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
+ }
+
+ if (i->control_group &&
+ (i->main_pid > 0 || i->control_pid > 0 ||
+ (!IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group) == 0))) {
+ unsigned c;
+
+ printf(" CGroup: %s\n", i->control_group);
+
+ if (IN_SET(arg_transport,
+ BUS_TRANSPORT_LOCAL,
+ BUS_TRANSPORT_MACHINE)) {
+ unsigned k = 0;
+ pid_t extra[2];
+ static const char prefix[] = " ";
+
+ c = columns();
+ if (c > sizeof(prefix) - 1)
+ c -= sizeof(prefix) - 1;
+ else
+ c = 0;
+
+ if (i->main_pid > 0)
+ extra[k++] = i->main_pid;
+
+ if (i->control_pid > 0)
+ extra[k++] = i->control_pid;
+
+ show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, get_output_flags());
+ }
+ }
+
+ if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
+ show_journal_by_unit(
+ stdout,
+ i->id,
+ arg_output,
+ 0,
+ i->inactive_exit_timestamp_monotonic,
+ arg_lines,
+ getuid(),
+ get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+ SD_JOURNAL_LOCAL_ONLY,
+ arg_scope == UNIT_FILE_SYSTEM,
+ ellipsized);
+
+ if (i->need_daemon_reload)
+ warn_unit_file_changed(i->id);
+}
+
+static void show_unit_help(UnitStatusInfo *i) {
+ char **p;
+
+ assert(i);
+
+ if (!i->documentation) {
+ log_info("Documentation for %s not known.", i->id);
+ return;
+ }
+
+ STRV_FOREACH(p, i->documentation)
+ if (startswith(*p, "man:"))
+ show_man_page(*p + 4, false);
+ else
+ log_info("Can't show: %s", *p);
+}
+
+static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
+ int r;
+
+ assert(name);
+ assert(m);
+ assert(i);
+
+ switch (contents[0]) {
+
+ case SD_BUS_TYPE_STRING: {
+ const char *s;
+
+ r = sd_bus_message_read(m, "s", &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!isempty(s)) {
+ if (streq(name, "Id"))
+ i->id = s;
+ else if (streq(name, "LoadState"))
+ i->load_state = s;
+ else if (streq(name, "ActiveState"))
+ i->active_state = s;
+ else if (streq(name, "SubState"))
+ i->sub_state = s;
+ else if (streq(name, "Description"))
+ i->description = s;
+ else if (streq(name, "FragmentPath"))
+ i->fragment_path = s;
+ else if (streq(name, "SourcePath"))
+ i->source_path = s;
+#ifndef NOLEGACY
+ else if (streq(name, "DefaultControlGroup")) {
+ const char *e;
+ e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":");
+ if (e)
+ i->control_group = e;
+ }
+#endif
+ else if (streq(name, "ControlGroup"))
+ i->control_group = s;
+ else if (streq(name, "StatusText"))
+ i->status_text = s;
+ else if (streq(name, "PIDFile"))
+ i->pid_file = s;
+ else if (streq(name, "SysFSPath"))
+ i->sysfs_path = s;
+ else if (streq(name, "Where"))
+ i->where = s;
+ else if (streq(name, "What"))
+ i->what = s;
+ else if (streq(name, "Following"))
+ i->following = s;
+ else if (streq(name, "UnitFileState"))
+ i->unit_file_state = s;
+ else if (streq(name, "UnitFilePreset"))
+ i->unit_file_preset = s;
+ else if (streq(name, "Result"))
+ i->result = s;
+ }
+
+ break;
+ }
+
+ case SD_BUS_TYPE_BOOLEAN: {
+ int b;
+
+ r = sd_bus_message_read(m, "b", &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (streq(name, "Accept"))
+ i->accept = b;
+ else if (streq(name, "NeedDaemonReload"))
+ i->need_daemon_reload = b;
+ else if (streq(name, "ConditionResult"))
+ i->condition_result = b;
+ else if (streq(name, "AssertResult"))
+ i->assert_result = b;
+ else if (streq(name, "Transient"))
+ i->transient = b;
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT32: {
+ uint32_t u;
+
+ r = sd_bus_message_read(m, "u", &u);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (streq(name, "MainPID")) {
+ if (u > 0) {
+ i->main_pid = (pid_t) u;
+ i->running = true;
+ }
+ } else if (streq(name, "ControlPID"))
+ i->control_pid = (pid_t) u;
+ else if (streq(name, "ExecMainPID")) {
+ if (u > 0)
+ i->main_pid = (pid_t) u;
+ } else if (streq(name, "NAccepted"))
+ i->n_accepted = u;
+ else if (streq(name, "NConnections"))
+ i->n_connections = u;
+
+ break;
+ }
+
+ case SD_BUS_TYPE_INT32: {
+ int32_t j;
+
+ r = sd_bus_message_read(m, "i", &j);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (streq(name, "ExecMainCode"))
+ i->exit_code = (int) j;
+ else if (streq(name, "ExecMainStatus"))
+ i->exit_status = (int) j;
+ else if (streq(name, "StatusErrno"))
+ i->status_errno = (int) j;
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT64: {
+ uint64_t u;
+
+ r = sd_bus_message_read(m, "t", &u);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (streq(name, "ExecMainStartTimestamp"))
+ i->start_timestamp = (usec_t) u;
+ else if (streq(name, "ExecMainExitTimestamp"))
+ i->exit_timestamp = (usec_t) u;
+ else if (streq(name, "ActiveEnterTimestamp"))
+ i->active_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveEnterTimestamp"))
+ i->inactive_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveExitTimestamp"))
+ i->inactive_exit_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveExitTimestampMonotonic"))
+ i->inactive_exit_timestamp_monotonic = (usec_t) u;
+ else if (streq(name, "ActiveExitTimestamp"))
+ i->active_exit_timestamp = (usec_t) u;
+ else if (streq(name, "ConditionTimestamp"))
+ i->condition_timestamp = (usec_t) u;
+ else if (streq(name, "AssertTimestamp"))
+ i->assert_timestamp = (usec_t) u;
+ else if (streq(name, "MemoryCurrent"))
+ i->memory_current = u;
+ else if (streq(name, "MemoryLimit"))
+ i->memory_limit = u;
+ else if (streq(name, "TasksCurrent"))
+ i->tasks_current = u;
+ else if (streq(name, "TasksMax"))
+ i->tasks_max = u;
+ else if (streq(name, "CPUUsageNSec"))
+ i->cpu_usage_nsec = u;
+
+ break;
+ }
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
+ _cleanup_free_ ExecStatusInfo *info = NULL;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ info = new0(ExecStatusInfo, 1);
+ if (!info)
+ return log_oom();
+
+ while ((r = exec_status_info_deserialize(m, info)) > 0) {
+
+ info->name = strdup(name);
+ if (!info->name)
+ return log_oom();
+
+ LIST_PREPEND(exec, i->exec, info);
+
+ info = new0(ExecStatusInfo, 1);
+ if (!info)
+ return log_oom();
+ }
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
+ const char *type, *path;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
+
+ r = strv_extend(&i->listen, type);
+ if (r < 0)
+ return r;
+
+ r = strv_extend(&i->listen, path);
+ if (r < 0)
+ return r;
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) {
+
+ r = sd_bus_message_read_strv(m, &i->dropin_paths);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) {
+
+ r = sd_bus_message_read_strv(m, &i->documentation);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) {
+ const char *cond, *param;
+ int trigger, negate;
+ int32_t state;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
+ log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
+ if (state < 0 && (!trigger || !i->failed_condition)) {
+ i->failed_condition = cond;
+ i->failed_condition_trigger = trigger;
+ i->failed_condition_negate = negate;
+ i->failed_condition_parameter = param;
+ }
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) {
+ const char *cond, *param;
+ int trigger, negate;
+ int32_t state;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
+ log_debug("%s %d %d %s %d", cond, trigger, negate, param, state);
+ if (state < 0 && (!trigger || !i->failed_assert)) {
+ i->failed_assert = cond;
+ i->failed_assert_trigger = trigger;
+ i->failed_assert_negate = negate;
+ i->failed_assert_parameter = param;
+ }
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ } else
+ goto skip;
+
+ break;
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+
+ if (streq(name, "LoadError")) {
+ const char *n, *message;
+
+ r = sd_bus_message_read(m, "(ss)", &n, &message);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!isempty(message))
+ i->load_error = message;
+ } else
+ goto skip;
+
+ break;
+
+ default:
+ goto skip;
+ }
+
+ return 0;
+
+skip:
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int print_property(const char *name, sd_bus_message *m, const char *contents) {
+ int r;
+
+ assert(name);
+ assert(m);
+
+ /* This is a low-level property printer, see
+ * print_status_info() for the nicer output */
+
+ if (arg_properties && !strv_find(arg_properties, name)) {
+ /* skip what we didn't read */
+ r = sd_bus_message_skip(m, contents);
+ return r;
+ }
+
+ switch (contents[0]) {
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+
+ if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
+ uint32_t u;
+
+ r = sd_bus_message_read(m, "(uo)", &u, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (u > 0)
+ printf("%s=%"PRIu32"\n", name, u);
+ else if (arg_all)
+ printf("%s=\n", name);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
+ const char *s;
+
+ r = sd_bus_message_read(m, "(so)", &s, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all || !isempty(s))
+ printf("%s=%s\n", name, s);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
+ const char *a = NULL, *b = NULL;
+
+ r = sd_bus_message_read(m, "(ss)", &a, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all || !isempty(a) || !isempty(b))
+ printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
+
+ return 0;
+ } else if (streq_ptr(name, "SystemCallFilter")) {
+ _cleanup_strv_free_ char **l = NULL;
+ int whitelist;
+
+ r = sd_bus_message_enter_container(m, 'r', "bas");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read(m, "b", &whitelist);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_read_strv(m, &l);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all || whitelist || !strv_isempty(l)) {
+ bool first = true;
+ char **i;
+
+ fputs(name, stdout);
+ fputc('=', stdout);
+
+ if (!whitelist)
+ fputc('~', stdout);
+
+ STRV_FOREACH(i, l) {
+ if (first)
+ first = false;
+ else
+ fputc(' ', stdout);
+
+ fputs(*i, stdout);
+ }
+ fputc('\n', stdout);
+ }
+
+ return 0;
+ }
+
+ break;
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
+ const char *path;
+ int ignore;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
+ printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
+ const char *type, *path;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
+ printf("%s=%s\n", type, path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
+ const char *type, *path;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
+ printf("Listen%s=%s\n", type, path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) {
+ const char *base;
+ uint64_t value, next_elapse;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) {
+ char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX];
+
+ printf("%s={ value=%s ; next_elapse=%s }\n",
+ base,
+ format_timespan(timespan1, sizeof(timespan1), value, 0),
+ format_timespan(timespan2, sizeof(timespan2), next_elapse, 0));
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
+ ExecStatusInfo info = {};
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = exec_status_info_deserialize(m, &info)) > 0) {
+ char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
+ _cleanup_free_ char *tt;
+
+ tt = strv_join(info.argv, " ");
+
+ printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n",
+ name,
+ strna(info.path),
+ strna(tt),
+ yes_no(info.ignore),
+ strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+ strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+ info.pid,
+ sigchld_code_to_string(info.code),
+ info.status,
+ info.code == CLD_EXITED ? "" : "/",
+ strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
+
+ free(info.path);
+ strv_free(info.argv);
+ zero(info);
+ }
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
+ const char *path, *rwm;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
+ printf("%s=%s %s\n", name, strna(path), strna(rwm));
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) {
+ const char *path;
+ uint64_t weight;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
+ printf("%s=%s %" PRIu64 "\n", name, strna(path), weight);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && (streq(name, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) {
+ const char *path;
+ uint64_t bandwidth;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
+ printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+ }
+
+ break;
+ }
+
+ r = bus_print_property(name, m, arg_all);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (r == 0) {
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all)
+ printf("%s=[unprintable]\n", name);
+ }
+
+ return 0;
+}
+
+static int show_one(
+ const char *verb,
+ sd_bus *bus,
+ const char *path,
+ bool show_properties,
+ bool *new_line,
+ bool *ellipsized) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ UnitStatusInfo info = {
+ .memory_current = (uint64_t) -1,
+ .memory_limit = (uint64_t) -1,
+ .cpu_usage_nsec = (uint64_t) -1,
+ .tasks_current = (uint64_t) -1,
+ .tasks_max = (uint64_t) -1,
+ };
+ ExecStatusInfo *p;
+ int r;
+
+ assert(path);
+ assert(new_line);
+
+ log_debug("Showing one %s", path);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &error,
+ &reply,
+ "s", "");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (*new_line)
+ printf("\n");
+
+ *new_line = true;
+
+ while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+ const char *name, *contents;
+
+ r = sd_bus_message_read(reply, "s", &name);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_peek_type(reply, NULL, &contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (show_properties)
+ r = print_property(name, reply, contents);
+ else
+ r = status_property(name, reply, &info, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = 0;
+
+ if (!show_properties) {
+ if (streq(verb, "help"))
+ show_unit_help(&info);
+ else
+ print_status_info(&info, ellipsized);
+ }
+
+ strv_free(info.documentation);
+ strv_free(info.dropin_paths);
+ strv_free(info.listen);
+
+ if (!streq_ptr(info.active_state, "active") &&
+ !streq_ptr(info.active_state, "reloading") &&
+ streq(verb, "status")) {
+ /* According to LSB: "program not running" */
+ /* 0: program is running or service is OK
+ * 1: program is dead and /run PID file exists
+ * 2: program is dead and /run/lock lock file exists
+ * 3: program is not running
+ * 4: program or service status is unknown
+ */
+ if (info.pid_file && access(info.pid_file, F_OK) == 0)
+ r = 1;
+ else
+ r = 3;
+ }
+
+ while ((p = info.exec)) {
+ LIST_REMOVE(exec, info.exec, p);
+ exec_status_info_free(p);
+ }
+
+ return r;
+}
+
+static int get_unit_dbus_path_by_pid(
+ sd_bus *bus,
+ uint32_t pid,
+ char **unit) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ char *u;
+ int r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitByPID",
+ &error,
+ &reply,
+ "u", pid);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "o", &u);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ u = strdup(u);
+ if (!u)
+ return log_oom();
+
+ *unit = u;
+ return 0;
+}
+
+static int show_all(
+ const char* verb,
+ sd_bus *bus,
+ bool show_properties,
+ bool *new_line,
+ bool *ellipsized) {
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ UnitInfo *unit_infos = NULL;
+ const UnitInfo *u;
+ unsigned c;
+ int r, ret = 0;
+
+ r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
+ if (r < 0)
+ return r;
+
+ pager_open_if_enabled();
+
+ c = (unsigned) r;
+
+ qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info);
+
+ for (u = unit_infos; u < unit_infos + c; u++) {
+ _cleanup_free_ char *p = NULL;
+
+ p = unit_dbus_path_from_name(u->id);
+ if (!p)
+ return log_oom();
+
+ r = show_one(verb, bus, p, show_properties, new_line, ellipsized);
+ if (r < 0)
+ return r;
+ else if (r > 0 && ret == 0)
+ ret = r;
+ }
+
+ return ret;
+}
+
+static int show_system_status(sd_bus *bus) {
+ char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
+ _cleanup_free_ char *hn = NULL;
+ _cleanup_(machine_info_clear) struct machine_info mi = {};
+ const char *on, *off;
+ int r;
+
+ hn = gethostname_malloc();
+ if (!hn)
+ return log_oom();
+
+ r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi);
+ if (r < 0)
+ return log_error_errno(r, "Failed to read server status: %m");
+
+ if (streq_ptr(mi.state, "degraded")) {
+ on = ansi_highlight_red();
+ off = ansi_normal();
+ } else if (!streq_ptr(mi.state, "running")) {
+ on = ansi_highlight_yellow();
+ off = ansi_normal();
+ } else
+ on = off = "";
+
+ printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
+
+ printf(" State: %s%s%s\n",
+ on, strna(mi.state), off);
+
+ printf(" Jobs: %u queued\n", mi.n_jobs);
+ printf(" Failed: %u units\n", mi.n_failed_units);
+
+ printf(" Since: %s; %s\n",
+ format_timestamp(since2, sizeof(since2), mi.timestamp),
+ format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
+
+ printf(" CGroup: %s\n", mi.control_group ?: "/");
+ if (IN_SET(arg_transport,
+ BUS_TRANSPORT_LOCAL,
+ BUS_TRANSPORT_MACHINE)) {
+ static const char prefix[] = " ";
+ unsigned c;
+
+ c = columns();
+ if (c > sizeof(prefix) - 1)
+ c -= sizeof(prefix) - 1;
+ else
+ c = 0;
+
+ show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags());
+ }
+
+ return 0;
+}
+
+static int show(int argc, char *argv[], void *userdata) {
+ bool show_properties, show_status, show_help, new_line = false;
+ bool ellipsized = false;
+ int r, ret = 0;
+ sd_bus *bus;
+
+ assert(argv);
+
+ show_properties = streq(argv[0], "show");
+ show_status = streq(argv[0], "status");
+ show_help = streq(argv[0], "help");
+
+ if (show_help && argc <= 1) {
+ log_error("This command expects one or more unit names. Did you mean --help?");
+ return -EINVAL;
+ }
+
+ pager_open_if_enabled();
+
+ if (show_status)
+ /* Increase max number of open files to 16K if we can, we
+ * might needs this when browsing journal files, which might
+ * be split up into many files. */
+ setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384));
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ /* If no argument is specified inspect the manager itself */
+ if (show_properties && argc <= 1)
+ return show_one(argv[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
+
+ if (show_status && argc <= 1) {
+
+ pager_open_if_enabled();
+ show_system_status(bus);
+ new_line = true;
+
+ if (arg_all)
+ ret = show_all(argv[0], bus, false, &new_line, &ellipsized);
+ } else {
+ _cleanup_free_ char **patterns = NULL;
+ char **name;
+
+ STRV_FOREACH(name, strv_skip(argv, 1)) {
+ _cleanup_free_ char *unit = NULL;
+ uint32_t id;
+
+ if (safe_atou32(*name, &id) < 0) {
+ if (strv_push(&patterns, *name) < 0)
+ return log_oom();
+
+ continue;
+ } else if (show_properties) {
+ /* Interpret as job id */
+ if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0)
+ return log_oom();
+
+ } else {
+ /* Interpret as PID */
+ r = get_unit_dbus_path_by_pid(bus, id, &unit);
+ if (r < 0) {
+ ret = r;
+ continue;
+ }
+ }
+
+ r = show_one(argv[0], bus, unit, show_properties, &new_line, &ellipsized);
+ if (r < 0)
+ return r;
+ else if (r > 0 && ret == 0)
+ ret = r;
+ }
+
+ if (!strv_isempty(patterns)) {
+ _cleanup_strv_free_ char **names = NULL;
+
+ r = expand_names(bus, patterns, NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ STRV_FOREACH(name, names) {
+ _cleanup_free_ char *unit;
+
+ unit = unit_dbus_path_from_name(*name);
+ if (!unit)
+ return log_oom();
+
+ r = show_one(argv[0], bus, unit, show_properties, &new_line, &ellipsized);
+ if (r < 0)
+ return r;
+ else if (r > 0 && ret == 0)
+ ret = r;
+ }
+ }
+ }
+
+ if (ellipsized && !arg_quiet)
+ printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
+
+ return ret;
+}
+
+static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) {
+ int r;
+
+ assert(user_home);
+ assert(user_runtime);
+ assert(lp);
+
+ if (arg_scope == UNIT_FILE_USER) {
+ r = user_config_home(user_home);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
+ else if (r == 0)
+ return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set.");
+
+ r = user_runtime_dir(user_runtime);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m");
+ else if (r == 0)
+ return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set.");
+ }
+
+ r = lookup_paths_init_from_scope(lp, arg_scope, arg_root);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query unit lookup paths: %m");
+
+ return 0;
+}
+
+static int cat_file(const char *filename, bool newline) {
+ _cleanup_close_ int fd;
+
+ fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd < 0)
+ return -errno;
+
+ printf("%s%s# %s%s\n",
+ newline ? "\n" : "",
+ ansi_highlight_blue(),
+ filename,
+ ansi_normal());
+ fflush(stdout);
+
+ return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, false);
+}
+
+static int cat(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *user_home = NULL;
+ _cleanup_free_ char *user_runtime = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths lp = {};
+ _cleanup_strv_free_ char **names = NULL;
+ char **name;
+ sd_bus *bus;
+ bool first = true;
+ int r;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Cannot remotely cat units.");
+ return -EINVAL;
+ }
+
+ r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
+ if (r < 0)
+ return r;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ pager_open_if_enabled();
+
+ STRV_FOREACH(name, names) {
+ _cleanup_free_ char *fragment_path = NULL;
+ _cleanup_strv_free_ char **dropin_paths = NULL;
+ char **path;
+
+ r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ return -ENOENT;
+
+ if (first)
+ first = false;
+ else
+ puts("");
+
+ if (fragment_path) {
+ r = cat_file(fragment_path, false);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to cat %s: %m", fragment_path);
+ }
+
+ STRV_FOREACH(path, dropin_paths) {
+ r = cat_file(*path, path == dropin_paths);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to cat %s: %m", *path);
+ }
+ }
+
+ return 0;
+}
+
+static int set_property(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *n = NULL;
+ sd_bus *bus;
+ char **i;
+ int r;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SetUnitProperties");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = unit_name_mangle(argv[1], UNIT_NAME_NOGLOB, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ r = sd_bus_message_append(m, "sb", n, arg_runtime);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ STRV_FOREACH(i, strv_skip(argv, 2)) {
+ r = bus_append_unit_property_assignment(m, *i);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int daemon_reload(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *method;
+ sd_bus *bus;
+ int r;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ if (arg_action == ACTION_RELOAD)
+ method = "Reload";
+ else if (arg_action == ACTION_REEXEC)
+ method = "Reexecute";
+ else {
+ assert(arg_action == ACTION_SYSTEMCTL);
+
+ method =
+ streq(argv[0], "clear-jobs") ||
+ streq(argv[0], "cancel") ? "ClearJobs" :
+ streq(argv[0], "daemon-reexec") ? "Reexecute" :
+ streq(argv[0], "reset-failed") ? "ResetFailed" :
+ streq(argv[0], "halt") ? "Halt" :
+ streq(argv[0], "poweroff") ? "PowerOff" :
+ streq(argv[0], "reboot") ? "Reboot" :
+ streq(argv[0], "kexec") ? "KExec" :
+ streq(argv[0], "exit") ? "Exit" :
+ /* "daemon-reload" */ "Reload";
+ }
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method,
+ &error,
+ NULL,
+ NULL);
+ if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
+ /* There's always a fallback possible for
+ * legacy actions. */
+ r = -EADDRNOTAVAIL;
+ else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute"))
+ /* On reexecution, we expect a disconnect, not a
+ * reply */
+ r = 0;
+ else if (r < 0)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ return r < 0 ? r : 0;
+}
+
+static int reset_failed(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ sd_bus *bus;
+ char **name;
+ int r, q;
+
+ if (argc <= 1)
+ return daemon_reload(argc, argv, userdata);
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ q = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ResetFailedUnit",
+ &error,
+ NULL,
+ "s", *name);
+ if (q < 0) {
+ log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
+ if (r == 0)
+ r = q;
+ }
+ }
+
+ return r;
+}
+
+static int show_environment(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *text;
+ sd_bus *bus;
+ int r;
+
+ pager_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Environment",
+ &error,
+ &reply,
+ "as");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0)
+ puts(text);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int switch_root(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *cmdline_init = NULL;
+ const char *root, *init;
+ sd_bus *bus;
+ int r;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Cannot switch root remotely.");
+ return -EINVAL;
+ }
+
+ if (argc < 2 || argc > 3) {
+ log_error("Wrong number of arguments.");
+ return -EINVAL;
+ }
+
+ root = argv[1];
+
+ if (argc >= 3)
+ init = argv[2];
+ else {
+ r = parse_env_file("/proc/cmdline", WHITESPACE,
+ "init", &cmdline_init,
+ NULL);
+ if (r < 0)
+ log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
+
+ init = cmdline_init;
+ }
+
+ if (isempty(init))
+ init = NULL;
+
+ if (init) {
+ const char *root_systemd_path = NULL, *root_init_path = NULL;
+
+ root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
+ root_init_path = strjoina(root, "/", init);
+
+ /* If the passed init is actually the same as the
+ * systemd binary, then let's suppress it. */
+ if (files_same(root_init_path, root_systemd_path) > 0)
+ init = NULL;
+ }
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ log_debug("Switching root - root: %s; init: %s", root, strna(init));
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SwitchRoot",
+ &error,
+ NULL,
+ "ss", root, init);
+ if (r < 0)
+ return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int set_environment(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ const char *method;
+ sd_bus *bus;
+ int r;
+
+ assert(argc > 1);
+ assert(argv);
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ method = streq(argv[0], "set-environment")
+ ? "SetEnvironment"
+ : "UnsetEnvironment";
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int import_environment(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ sd_bus *bus;
+ int r;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SetEnvironment");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (argc < 2)
+ r = sd_bus_message_append_strv(m, environ);
+ else {
+ char **a, **b;
+
+ r = sd_bus_message_open_container(m, 'a', "s");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ STRV_FOREACH(a, strv_skip(argv, 1)) {
+
+ if (!env_name_is_valid(*a)) {
+ log_error("Not a valid environment variable name: %s", *a);
+ return -EINVAL;
+ }
+
+ STRV_FOREACH(b, environ) {
+ const char *eq;
+
+ eq = startswith(*b, *a);
+ if (eq && *eq == '=') {
+
+ r = sd_bus_message_append(m, "s", *b);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ break;
+ }
+ }
+ }
+
+ r = sd_bus_message_close_container(m);
+ }
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int enable_sysv_units(const char *verb, char **args) {
+ int r = 0;
+
+#if defined(HAVE_SYSV_COMPAT)
+ unsigned f = 0;
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+
+ if (arg_scope != UNIT_FILE_SYSTEM)
+ return 0;
+
+ if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
+ return 0;
+
+ if (!STR_IN_SET(verb,
+ "enable",
+ "disable",
+ "is-enabled"))
+ return 0;
+
+ /* Processes all SysV units, and reshuffles the array so that
+ * afterwards only the native units remain */
+
+ r = lookup_paths_init(&paths, MANAGER_SYSTEM, false, arg_root, NULL, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ r = 0;
+ while (args[f]) {
+ const char *name;
+ _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL;
+ bool found_native = false, found_sysv;
+ unsigned c = 1;
+ const char *argv[6] = { ROOTLIBEXECDIR "/systemd-sysv-install", NULL, NULL, NULL, NULL };
+ char **k;
+ int j;
+ pid_t pid;
+ siginfo_t status;
+
+ name = args[f++];
+
+ if (!endswith(name, ".service"))
+ continue;
+
+ if (path_is_absolute(name))
+ continue;
+
+ STRV_FOREACH(k, paths.unit_path) {
+ _cleanup_free_ char *path = NULL;
+
+ path = path_join(arg_root, *k, name);
+ if (!path)
+ return log_oom();
+
+ found_native = access(path, F_OK) >= 0;
+ if (found_native)
+ break;
+ }
+
+ /* If we have both a native unit and a SysV script,
+ * enable/disable them both (below); for is-enabled, prefer the
+ * native unit */
+ if (found_native && streq(verb, "is-enabled"))
+ continue;
+
+ p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
+ if (!p)
+ return log_oom();
+
+ p[strlen(p) - strlen(".service")] = 0;
+ found_sysv = access(p, F_OK) >= 0;
+ if (!found_sysv)
+ continue;
+
+ if (found_native)
+ log_info("Synchronizing state of %s with SysV init with %s...", name, argv[0]);
+ else
+ log_info("%s is not a native service, redirecting to systemd-sysv-install", name);
+
+ if (!isempty(arg_root))
+ argv[c++] = q = strappend("--root=", arg_root);
+
+ argv[c++] = verb;
+ argv[c++] = basename(p);
+ argv[c] = NULL;
+
+ l = strv_join((char**)argv, " ");
+ if (!l)
+ return log_oom();
+
+ log_info("Executing %s", l);
+
+ pid = fork();
+ if (pid < 0)
+ return log_error_errno(errno, "Failed to fork: %m");
+ else if (pid == 0) {
+ /* Child */
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
+ execv(argv[0], (char**) argv);
+ log_error_errno(r, "Failed to execute %s: %m", argv[0]);
+ _exit(EXIT_FAILURE);
+ }
+
+ j = wait_for_terminate(pid, &status);
+ if (j < 0) {
+ log_error_errno(j, "Failed to wait for child: %m");
+ return j;
+ }
+
+ if (status.si_code == CLD_EXITED) {
+ if (streq(verb, "is-enabled")) {
+ if (status.si_status == 0) {
+ if (!arg_quiet)
+ puts("enabled");
+ r = 1;
+ } else {
+ if (!arg_quiet)
+ puts("disabled");
+ }
+
+ } else if (status.si_status != 0)
+ return -EINVAL;
+ } else
+ return -EPROTO;
+
+ if (found_native)
+ continue;
+
+ /* Remove this entry, so that we don't try enabling it as native unit */
+ assert(f > 0);
+ f--;
+ assert(args[f] == name);
+ strv_remove(args, name);
+ }
+
+#endif
+ return r;
+}
+
+static int mangle_names(char **original_names, char ***mangled_names) {
+ char **i, **l, **name;
+ int r;
+
+ l = i = new(char*, strv_length(original_names) + 1);
+ if (!l)
+ return log_oom();
+
+ STRV_FOREACH(name, original_names) {
+
+ /* When enabling units qualified path names are OK,
+ * too, hence allow them explicitly. */
+
+ if (is_path(*name)) {
+ *i = strdup(*name);
+ if (!*i) {
+ strv_free(l);
+ return log_oom();
+ }
+ } else {
+ r = unit_name_mangle(*name, UNIT_NAME_NOGLOB, i);
+ if (r < 0) {
+ strv_free(l);
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+ }
+ }
+
+ i++;
+ }
+
+ *i = NULL;
+ *mangled_names = l;
+
+ return 0;
+}
+
+static int enable_unit(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ const char *verb = argv[0];
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+ int carries_install_info = -1;
+ int r;
+
+ if (!argv[1])
+ return 0;
+
+ r = mangle_names(strv_skip(argv, 1), &names);
+ if (r < 0)
+ return r;
+
+ r = enable_sysv_units(verb, names);
+ if (r < 0)
+ return r;
+
+ /* If the operation was fully executed by the SysV compat,
+ * let's finish early */
+ if (strv_isempty(names))
+ return 0;
+
+ if (install_client_side()) {
+ if (streq(verb, "enable")) {
+ r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
+ carries_install_info = r;
+ } else if (streq(verb, "disable"))
+ r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
+ else if (streq(verb, "reenable")) {
+ r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
+ carries_install_info = r;
+ } else if (streq(verb, "link"))
+ r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
+ else if (streq(verb, "preset")) {
+ r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes);
+ carries_install_info = r;
+ } else if (streq(verb, "mask"))
+ r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
+ else if (streq(verb, "unmask"))
+ r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes);
+ else
+ assert_not_reached("Unknown verb");
+
+ if (r == -ESHUTDOWN)
+ return log_error_errno(r, "Unit file is masked.");
+ if (r < 0)
+ return log_error_errno(r, "Operation failed: %m");
+
+ if (!arg_quiet)
+ dump_unit_file_changes(changes, n_changes);
+
+ r = 0;
+ } else {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int expect_carries_install_info = false;
+ bool send_force = true, send_preset_mode = false;
+ const char *method;
+ sd_bus *bus;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ if (streq(verb, "enable")) {
+ method = "EnableUnitFiles";
+ expect_carries_install_info = true;
+ } else if (streq(verb, "disable")) {
+ method = "DisableUnitFiles";
+ send_force = false;
+ } else if (streq(verb, "reenable")) {
+ method = "ReenableUnitFiles";
+ expect_carries_install_info = true;
+ } else if (streq(verb, "link"))
+ method = "LinkUnitFiles";
+ else if (streq(verb, "preset")) {
+
+ if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
+ method = "PresetUnitFilesWithMode";
+ send_preset_mode = true;
+ } else
+ method = "PresetUnitFiles";
+
+ expect_carries_install_info = true;
+ } else if (streq(verb, "mask"))
+ method = "MaskUnitFiles";
+ else if (streq(verb, "unmask")) {
+ method = "UnmaskUnitFiles";
+ send_force = false;
+ } else
+ assert_not_reached("Unknown verb");
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, names);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (send_preset_mode) {
+ r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_message_append(m, "b", arg_runtime);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (send_force) {
+ r = sd_bus_message_append(m, "b", arg_force);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ if (expect_carries_install_info) {
+ r = sd_bus_message_read(reply, "b", &carries_install_info);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
+ if (r < 0)
+ return r;
+
+ /* Try to reload if enabled */
+ if (!arg_no_reload)
+ r = daemon_reload(argc, argv, userdata);
+ else
+ r = 0;
+ }
+
+ if (carries_install_info == 0)
+ log_warning("The unit files have no [Install] section. They are not meant to be enabled\n"
+ "using systemctl.\n"
+ "Possible reasons for having this kind of units are:\n"
+ "1) A unit may be statically enabled by being symlinked from another unit's\n"
+ " .wants/ or .requires/ directory.\n"
+ "2) A unit's purpose may be to act as a helper for some other unit which has\n"
+ " a requirement dependency on it.\n"
+ "3) A unit may be started when needed via activation (socket, path, timer,\n"
+ " D-Bus, udev, scripted systemctl call, ...).\n");
+
+ if (arg_now && n_changes > 0 && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
+ char *new_args[n_changes + 2];
+ sd_bus *bus;
+ unsigned i;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ goto finish;
+
+ new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
+ for (i = 0; i < n_changes; i++)
+ new_args[i + 1] = basename(changes[i].path);
+ new_args[i + 1] = NULL;
+
+ r = start_unit(strv_length(new_args), new_args, userdata);
+ }
+
+finish:
+ unit_file_changes_free(changes, n_changes);
+
+ return r;
+}
+
+static int add_dependency(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ _cleanup_free_ char *target = NULL;
+ const char *verb = argv[0];
+ UnitDependency dep;
+ int r = 0;
+
+ if (!argv[1])
+ return 0;
+
+ r = unit_name_mangle_with_suffix(argv[1], UNIT_NAME_NOGLOB, ".target", &target);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ r = mangle_names(strv_skip(argv, 2), &names);
+ if (r < 0)
+ return r;
+
+ if (streq(verb, "add-wants"))
+ dep = UNIT_WANTS;
+ else if (streq(verb, "add-requires"))
+ dep = UNIT_REQUIRES;
+ else
+ assert_not_reached("Unknown verb");
+
+ if (install_client_side()) {
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+
+ r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes);
+ if (r == -ESHUTDOWN)
+ return log_error_errno(r, "Unit file is masked.");
+ if (r < 0)
+ return log_error_errno(r, "Can't add dependency: %m");
+
+ if (!arg_quiet)
+ dump_unit_file_changes(changes, n_changes);
+
+ unit_file_changes_free(changes, n_changes);
+
+ } else {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "AddDependencyUnitFiles");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_strv(m, names);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, 0, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_reload)
+ r = daemon_reload(argc, argv, userdata);
+ else
+ r = 0;
+ }
+
+ return r;
+}
+
+static int preset_all(int argc, char *argv[], void *userdata) {
+ UnitFileChange *changes = NULL;
+ unsigned n_changes = 0;
+ int r;
+
+ if (install_client_side()) {
+
+ r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
+ if (r < 0) {
+ log_error_errno(r, "Operation failed: %m");
+ goto finish;
+ }
+
+ if (!arg_quiet)
+ dump_unit_file_changes(changes, n_changes);
+
+ r = 0;
+
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ sd_bus *bus;
+
+ polkit_agent_open_if_enabled();
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "PresetAllUnitFiles",
+ &error,
+ &reply,
+ "sbb",
+ unit_file_preset_mode_to_string(arg_preset_mode),
+ arg_runtime,
+ arg_force);
+ if (r < 0)
+ return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
+
+ r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
+ if (r < 0)
+ return r;
+
+ if (!arg_no_reload)
+ r = daemon_reload(argc, argv, userdata);
+ else
+ r = 0;
+ }
+
+finish:
+ unit_file_changes_free(changes, n_changes);
+
+ return r;
+}
+
+static int unit_is_enabled(int argc, char *argv[], void *userdata) {
+
+ _cleanup_strv_free_ char **names = NULL;
+ bool enabled;
+ char **name;
+ int r;
+
+ r = mangle_names(strv_skip(argv, 1), &names);
+ if (r < 0)
+ return r;
+
+ r = enable_sysv_units(argv[0], names);
+ if (r < 0)
+ return r;
+
+ enabled = r > 0;
+
+ if (install_client_side()) {
+
+ STRV_FOREACH(name, names) {
+ UnitFileState state;
+
+ r = unit_file_get_state(arg_scope, arg_root, *name, &state);
+ if (r < 0)
+ return log_error_errno(state, "Failed to get unit file state for %s: %m", *name);
+
+ if (IN_SET(state,
+ UNIT_FILE_ENABLED,
+ UNIT_FILE_ENABLED_RUNTIME,
+ UNIT_FILE_STATIC,
+ UNIT_FILE_INDIRECT))
+ enabled = true;
+
+ if (!arg_quiet)
+ puts(unit_file_state_to_string(state));
+ }
+
+ } else {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, names) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *s;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitFileState",
+ &error,
+ &reply,
+ "s", *name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "s", &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect"))
+ enabled = true;
+
+ if (!arg_quiet)
+ puts(s);
+ }
+ }
+
+ return !enabled;
+}
+
+static int is_system_running(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *state = NULL;
+ sd_bus *bus;
+ int r;
+
+ if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
+ if (!arg_quiet)
+ puts("offline");
+ return EXIT_FAILURE;
+ }
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "SystemState",
+ NULL,
+ &state);
+ if (r < 0) {
+ if (!arg_quiet)
+ puts("unknown");
+ return 0;
+ }
+
+ if (!arg_quiet)
+ puts(state);
+
+ return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
+ _cleanup_free_ char *t = NULL;
+ int r;
+
+ assert(new_path);
+ assert(original_path);
+ assert(ret_tmp_fn);
+
+ r = tempfn_random(new_path, NULL, &t);
+ if (r < 0)
+ return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
+
+ r = mkdir_parents(new_path, 0755);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
+
+ r = copy_file(original_path, t, 0, 0644, 0);
+ if (r == -ENOENT) {
+
+ r = touch(t);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
+
+ } else if (r < 0)
+ return log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t);
+
+ *ret_tmp_fn = t;
+ t = NULL;
+
+ return 0;
+}
+
+static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) {
+ _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL;
+
+ assert(name);
+ assert(ret_path);
+
+ switch (arg_scope) {
+ case UNIT_FILE_SYSTEM:
+ path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name);
+ if (arg_runtime)
+ run = path_join(arg_root, "/run/systemd/system/", name);
+ break;
+ case UNIT_FILE_GLOBAL:
+ path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
+ if (arg_runtime)
+ run = path_join(arg_root, "/run/systemd/user/", name);
+ break;
+ case UNIT_FILE_USER:
+ assert(user_home);
+ assert(user_runtime);
+
+ path = path_join(arg_root, user_home, name);
+ if (arg_runtime) {
+ path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name);
+ if (!path2)
+ return log_oom();
+ run = path_join(arg_root, user_runtime, name);
+ }
+ break;
+ default:
+ assert_not_reached("Invalid scope");
+ }
+ if (!path || (arg_runtime && !run))
+ return log_oom();
+
+ if (arg_runtime) {
+ if (access(path, F_OK) >= 0) {
+ log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path);
+ return -EEXIST;
+ }
+
+ if (path2 && access(path2, F_OK) >= 0) {
+ log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path2);
+ return -EEXIST;
+ }
+
+ *ret_path = run;
+ run = NULL;
+ } else {
+ *ret_path = path;
+ path = NULL;
+ }
+
+ return 0;
+}
+
+static int unit_file_create_dropin(const char *unit_name, const char *user_home, const char *user_runtime, char **ret_new_path, char **ret_tmp_path) {
+ char *tmp_new_path, *tmp_tmp_path, *ending;
+ int r;
+
+ assert(unit_name);
+ assert(ret_new_path);
+ assert(ret_tmp_path);
+
+ ending = strjoina(unit_name, ".d/override.conf");
+ r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path);
+ if (r < 0)
+ return r;
+
+ r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path);
+ if (r < 0) {
+ free(tmp_new_path);
+ return r;
+ }
+
+ *ret_new_path = tmp_new_path;
+ *ret_tmp_path = tmp_tmp_path;
+
+ return 0;
+}
+
+static int unit_file_create_copy(
+ const char *unit_name,
+ const char *fragment_path,
+ const char *user_home,
+ const char *user_runtime,
+ char **ret_new_path,
+ char **ret_tmp_path) {
+
+ char *tmp_new_path, *tmp_tmp_path;
+ int r;
+
+ assert(fragment_path);
+ assert(unit_name);
+ assert(ret_new_path);
+ assert(ret_tmp_path);
+
+ r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path);
+ if (r < 0)
+ return r;
+
+ if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) {
+ char response;
+
+ r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path);
+ if (r < 0) {
+ free(tmp_new_path);
+ return r;
+ }
+ if (response != 'y') {
+ log_warning("%s ignored", unit_name);
+ free(tmp_new_path);
+ return -1;
+ }
+ }
+
+ r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path);
+ if (r < 0) {
+ log_error_errno(r, "Failed to create temporary file for \"%s\": %m", tmp_new_path);
+ free(tmp_new_path);
+ return r;
+ }
+
+ *ret_new_path = tmp_new_path;
+ *ret_tmp_path = tmp_tmp_path;
+
+ return 0;
+}
+
+static int run_editor(char **paths) {
+ pid_t pid;
+ int r;
+
+ assert(paths);
+
+ pid = fork();
+ if (pid < 0)
+ return log_error_errno(errno, "Failed to fork: %m");
+
+ if (pid == 0) {
+ const char **args;
+ char *editor, **editor_args = NULL;
+ char **tmp_path, **original_path, *p;
+ unsigned n_editor_args = 0, i = 1;
+ size_t argc;
+
+ (void) reset_all_signal_handlers();
+ (void) reset_signal_mask();
+
+ argc = strv_length(paths)/2 + 1;
+
+ /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
+ * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
+ * we try to execute well known editors
+ */
+ editor = getenv("SYSTEMD_EDITOR");
+ if (!editor)
+ editor = getenv("EDITOR");
+ if (!editor)
+ editor = getenv("VISUAL");
+
+ if (!isempty(editor)) {
+ editor_args = strv_split(editor, WHITESPACE);
+ if (!editor_args) {
+ (void) log_oom();
+ _exit(EXIT_FAILURE);
+ }
+ n_editor_args = strv_length(editor_args);
+ argc += n_editor_args - 1;
+ }
+ args = newa(const char*, argc + 1);
+
+ if (n_editor_args > 0) {
+ args[0] = editor_args[0];
+ for (; i < n_editor_args; i++)
+ args[i] = editor_args[i];
+ }
+
+ STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
+ args[i] = *tmp_path;
+ i++;
+ }
+ args[i] = NULL;
+
+ if (n_editor_args > 0)
+ execvp(args[0], (char* const*) args);
+
+ FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
+ args[0] = p;
+ execvp(p, (char* const*) args);
+ /* We do not fail if the editor doesn't exist
+ * because we want to try each one of them before
+ * failing.
+ */
+ if (errno != ENOENT) {
+ log_error_errno(errno, "Failed to execute %s: %m", editor);
+ _exit(EXIT_FAILURE);
+ }
+ }
+
+ log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
+ _exit(EXIT_FAILURE);
+ }
+
+ r = wait_for_terminate_and_warn("editor", pid, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to wait for child: %m");
+
+ return 0;
+}
+
+static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
+ _cleanup_free_ char *user_home = NULL;
+ _cleanup_free_ char *user_runtime = NULL;
+ _cleanup_lookup_paths_free_ LookupPaths lp = {};
+ char **name;
+ int r;
+
+ assert(names);
+ assert(paths);
+
+ r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, names) {
+ _cleanup_free_ char *path = NULL;
+ char *new_path, *tmp_path;
+
+ r = unit_find_paths(bus, *name, &lp, &path, NULL);
+ if (r < 0)
+ return r;
+ else if (r == 0)
+ return -ENOENT;
+ else if (!path) {
+ // FIXME: support units with path==NULL (no FragmentPath)
+ log_error("No fragment exists for %s.", *name);
+ return -ENOENT;
+ }
+
+ if (arg_full)
+ r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path);
+ else
+ r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path);
+ if (r < 0)
+ return r;
+
+ r = strv_push_pair(paths, new_path, tmp_path);
+ if (r < 0)
+ return log_oom();
+ }
+
+ return 0;
+}
+
+static int edit(int argc, char *argv[], void *userdata) {
+ _cleanup_strv_free_ char **names = NULL;
+ _cleanup_strv_free_ char **paths = NULL;
+ char **original, **tmp;
+ sd_bus *bus;
+ int r;
+
+ if (!on_tty()) {
+ log_error("Cannot edit units if not on a tty.");
+ return -EINVAL;
+ }
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Cannot edit units remotely.");
+ return -EINVAL;
+ }
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
+ if (r < 0)
+ return log_error_errno(r, "Failed to expand names: %m");
+
+ r = find_paths_to_edit(bus, names, &paths);
+ if (r < 0)
+ return r;
+
+ if (strv_isempty(paths))
+ return -ENOENT;
+
+ r = run_editor(paths);
+ if (r < 0)
+ goto end;
+
+ STRV_FOREACH_PAIR(original, tmp, paths) {
+ /* If the temporary file is empty we ignore it. It's
+ * useful if the user wants to cancel its modification
+ */
+ if (null_or_empty_path(*tmp)) {
+ log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
+ continue;
+ }
+
+ r = rename(*tmp, *original);
+ if (r < 0) {
+ r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
+ goto end;
+ }
+ }
+
+ r = 0;
+
+ if (!arg_no_reload && !install_client_side())
+ r = daemon_reload(argc, argv, userdata);
+
+end:
+ STRV_FOREACH_PAIR(original, tmp, paths)
+ (void) unlink(*tmp);
+
+ return r;
+}
+
+static void systemctl_help(void) {
+
+ pager_open_if_enabled();
+
+ printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+ "Query or send control commands to the systemd manager.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --system Connect to system manager\n"
+ " --user Connect to user service manager\n"
+ " -H --host=[USER@]HOST\n"
+ " Operate on remote host\n"
+ " -M --machine=CONTAINER\n"
+ " Operate on local container\n"
+ " -t --type=TYPE List units of a particular type\n"
+ " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
+ " -p --property=NAME Show only properties by this name\n"
+ " -a --all Show all loaded units/properties, including dead/empty\n"
+ " ones. To list all units installed on the system, use\n"
+ " the 'list-unit-files' command instead.\n"
+ " -l --full Don't ellipsize unit names on output\n"
+ " -r --recursive Show unit list of host and local containers\n"
+ " --reverse Show reverse dependencies with 'list-dependencies'\n"
+ " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
+ " queueing a new job\n"
+ " --show-types When showing sockets, explicitly show their type\n"
+ " -i --ignore-inhibitors\n"
+ " When shutting down or sleeping, ignore inhibitors\n"
+ " --kill-who=WHO Who to send signal to\n"
+ " -s --signal=SIGNAL Which signal to send\n"
+ " --now Start or stop unit in addition to enabling or disabling it\n"
+ " -q --quiet Suppress output\n"
+ " --no-block Do not wait until operation finished\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n"
+ " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
+ " --no-legend Do not print a legend (column headers and hints)\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-ask-password\n"
+ " Do not ask for system passwords\n"
+ " --global Enable/disable unit files globally\n"
+ " --runtime Enable unit files only temporarily until next reboot\n"
+ " -f --force When enabling unit files, override existing symlinks\n"
+ " When shutting down, execute action immediately\n"
+ " --preset-mode= Apply only enable, only disable, or all presets\n"
+ " --root=PATH Enable unit files in the specified root directory\n"
+ " -n --lines=INTEGER Number of journal entries to show\n"
+ " -o --output=STRING Change journal output mode (short, short-iso,\n"
+ " short-precise, short-monotonic, verbose,\n"
+ " export, json, json-pretty, json-sse, cat)\n"
+ " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
+ " --plain Print unit dependencies as a list instead of a tree\n\n"
+ "Unit Commands:\n"
+ " list-units [PATTERN...] List loaded units\n"
+ " list-sockets [PATTERN...] List loaded sockets ordered by address\n"
+ " list-timers [PATTERN...] List loaded timers ordered by next elapse\n"
+ " start NAME... Start (activate) one or more units\n"
+ " stop NAME... Stop (deactivate) one or more units\n"
+ " reload NAME... Reload one or more units\n"
+ " restart NAME... Start or restart one or more units\n"
+ " try-restart NAME... Restart one or more units if active\n"
+ " reload-or-restart NAME... Reload one or more units if possible,\n"
+ " otherwise start or restart\n"
+ " try-reload-or-restart NAME... If active, reload one or more units,\n"
+ " if supported, otherwise restart\n"
+ " isolate NAME Start one unit and stop all others\n"
+ " kill NAME... Send signal to processes of a unit\n"
+ " is-active PATTERN... Check whether units are active\n"
+ " is-failed PATTERN... Check whether units are failed\n"
+ " status [PATTERN...|PID...] Show runtime status of one or more units\n"
+ " show [PATTERN...|JOB...] Show properties of one or more\n"
+ " units/jobs or the manager\n"
+ " cat PATTERN... Show files and drop-ins of one or more units\n"
+ " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n"
+ " help PATTERN...|PID... Show manual for one or more units\n"
+ " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
+ " units\n"
+ " list-dependencies [NAME] Recursively show units which are required\n"
+ " or wanted by this unit or by which this\n"
+ " unit is required or wanted\n\n"
+ "Unit File Commands:\n"
+ " list-unit-files [PATTERN...] List installed unit files\n"
+ " enable NAME... Enable one or more unit files\n"
+ " disable NAME... Disable one or more unit files\n"
+ " reenable NAME... Reenable one or more unit files\n"
+ " preset NAME... Enable/disable one or more unit files\n"
+ " based on preset configuration\n"
+ " preset-all Enable/disable all unit files based on\n"
+ " preset configuration\n"
+ " is-enabled NAME... Check whether unit files are enabled\n"
+ " mask NAME... Mask one or more units\n"
+ " unmask NAME... Unmask one or more units\n"
+ " link PATH... Link one or more units files into\n"
+ " the search path\n"
+ " add-wants TARGET NAME... Add 'Wants' dependency for the target\n"
+ " on specified one or more units\n"
+ " add-requires TARGET NAME... Add 'Requires' dependency for the target\n"
+ " on specified one or more units\n"
+ " edit NAME... Edit one or more unit files\n"
+ " get-default Get the name of the default target\n"
+ " set-default NAME Set the default target\n\n"
+ "Machine Commands:\n"
+ " list-machines [PATTERN...] List local containers and host\n\n"
+ "Job Commands:\n"
+ " list-jobs [PATTERN...] List jobs\n"
+ " cancel [JOB...] Cancel all, one, or more jobs\n\n"
+ "Environment Commands:\n"
+ " show-environment Dump environment\n"
+ " set-environment NAME=VALUE... Set one or more environment variables\n"
+ " unset-environment NAME... Unset one or more environment variables\n"
+ " import-environment [NAME...] Import all or some environment variables\n\n"
+ "Manager Lifecycle Commands:\n"
+ " daemon-reload Reload systemd manager configuration\n"
+ " daemon-reexec Reexecute systemd manager\n\n"
+ "System Commands:\n"
+ " is-system-running Check whether system is fully running\n"
+ " default Enter system default mode\n"
+ " rescue Enter system rescue mode\n"
+ " emergency Enter system emergency mode\n"
+ " halt Shut down and halt the system\n"
+ " poweroff Shut down and power-off the system\n"
+ " reboot [ARG] Shut down and reboot the system\n"
+ " kexec Shut down and reboot the system with kexec\n"
+ " exit [EXIT_CODE] Request user instance or container exit\n"
+ " switch-root ROOT [INIT] Change to a different root file system\n"
+ " suspend Suspend the system\n"
+ " hibernate Hibernate the system\n"
+ " hybrid-sleep Hibernate and suspend the system\n",
+ program_invocation_short_name);
+}
+
+static void halt_help(void) {
+ printf("%s [OPTIONS...]%s\n\n"
+ "%s the system.\n\n"
+ " --help Show this help\n"
+ " --halt Halt the machine\n"
+ " -p --poweroff Switch off the machine\n"
+ " --reboot Reboot the machine\n"
+ " -f --force Force immediate halt/power-off/reboot\n"
+ " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
+ " -d --no-wtmp Don't write wtmp record\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n",
+ program_invocation_short_name,
+ arg_action == ACTION_REBOOT ? " [ARG]" : "",
+ arg_action == ACTION_REBOOT ? "Reboot" :
+ arg_action == ACTION_POWEROFF ? "Power off" :
+ "Halt");
+}
+
+static void shutdown_help(void) {
+ printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
+ "Shut down the system.\n\n"
+ " --help Show this help\n"
+ " -H --halt Halt the machine\n"
+ " -P --poweroff Power-off the machine\n"
+ " -r --reboot Reboot the machine\n"
+ " -h Equivalent to --poweroff, overridden by --halt\n"
+ " -k Don't halt/power-off/reboot, just send warnings\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n"
+ " -c Cancel a pending shutdown\n",
+ program_invocation_short_name);
+}
+
+static void telinit_help(void) {
+ printf("%s [OPTIONS...] {COMMAND}\n\n"
+ "Send control commands to the init daemon.\n\n"
+ " --help Show this help\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
+ "Commands:\n"
+ " 0 Power-off the machine\n"
+ " 6 Reboot the machine\n"
+ " 2, 3, 4, 5 Start runlevelX.target unit\n"
+ " 1, s, S Enter rescue mode\n"
+ " q, Q Reload init daemon configuration\n"
+ " u, U Reexecute init daemon\n",
+ program_invocation_short_name);
+}
+
+static void runlevel_help(void) {
+ printf("%s [OPTIONS...]\n\n"
+ "Prints the previous and current runlevel of the init system.\n\n"
+ " --help Show this help\n",
+ program_invocation_short_name);
+}
+
+static void help_types(void) {
+ int i;
+
+ if (!arg_no_legend)
+ puts("Available unit types:");
+ for (i = 0; i < _UNIT_TYPE_MAX; i++)
+ puts(unit_type_to_string(i));
+}
+
+static void help_states(void) {
+ int i;
+
+ if (!arg_no_legend)
+ puts("Available unit load states:");
+ for (i = 0; i < _UNIT_LOAD_STATE_MAX; i++)
+ puts(unit_load_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable unit active states:");
+ for (i = 0; i < _UNIT_ACTIVE_STATE_MAX; i++)
+ puts(unit_active_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable automount unit substates:");
+ for (i = 0; i < _AUTOMOUNT_STATE_MAX; i++)
+ puts(automount_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable busname unit substates:");
+ for (i = 0; i < _BUSNAME_STATE_MAX; i++)
+ puts(busname_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable device unit substates:");
+ for (i = 0; i < _DEVICE_STATE_MAX; i++)
+ puts(device_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable mount unit substates:");
+ for (i = 0; i < _MOUNT_STATE_MAX; i++)
+ puts(mount_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable path unit substates:");
+ for (i = 0; i < _PATH_STATE_MAX; i++)
+ puts(path_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable scope unit substates:");
+ for (i = 0; i < _SCOPE_STATE_MAX; i++)
+ puts(scope_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable service unit substates:");
+ for (i = 0; i < _SERVICE_STATE_MAX; i++)
+ puts(service_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable slice unit substates:");
+ for (i = 0; i < _SLICE_STATE_MAX; i++)
+ puts(slice_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable socket unit substates:");
+ for (i = 0; i < _SOCKET_STATE_MAX; i++)
+ puts(socket_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable swap unit substates:");
+ for (i = 0; i < _SWAP_STATE_MAX; i++)
+ puts(swap_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable target unit substates:");
+ for (i = 0; i < _TARGET_STATE_MAX; i++)
+ puts(target_state_to_string(i));
+
+ if (!arg_no_legend)
+ puts("\nAvailable timer unit substates:");
+ for (i = 0; i < _TIMER_STATE_MAX; i++)
+ puts(timer_state_to_string(i));
+}
+
+static int systemctl_parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_FAIL = 0x100,
+ ARG_REVERSE,
+ ARG_AFTER,
+ ARG_BEFORE,
+ ARG_SHOW_TYPES,
+ ARG_IRREVERSIBLE,
+ ARG_IGNORE_DEPENDENCIES,
+ ARG_VERSION,
+ ARG_USER,
+ ARG_SYSTEM,
+ ARG_GLOBAL,
+ ARG_NO_BLOCK,
+ ARG_NO_LEGEND,
+ ARG_NO_PAGER,
+ ARG_NO_WALL,
+ ARG_ROOT,
+ ARG_NO_RELOAD,
+ ARG_KILL_WHO,
+ ARG_NO_ASK_PASSWORD,
+ ARG_FAILED,
+ ARG_RUNTIME,
+ ARG_FORCE,
+ ARG_PLAIN,
+ ARG_STATE,
+ ARG_JOB_MODE,
+ ARG_PRESET_MODE,
+ ARG_FIRMWARE_SETUP,
+ ARG_NOW,
+ ARG_MESSAGE,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "type", required_argument, NULL, 't' },
+ { "property", required_argument, NULL, 'p' },
+ { "all", no_argument, NULL, 'a' },
+ { "reverse", no_argument, NULL, ARG_REVERSE },
+ { "after", no_argument, NULL, ARG_AFTER },
+ { "before", no_argument, NULL, ARG_BEFORE },
+ { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
+ { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
+ { "full", no_argument, NULL, 'l' },
+ { "job-mode", required_argument, NULL, ARG_JOB_MODE },
+ { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
+ { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
+ { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
+ { "ignore-inhibitors", no_argument, NULL, 'i' },
+ { "user", no_argument, NULL, ARG_USER },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "global", no_argument, NULL, ARG_GLOBAL },
+ { "no-block", no_argument, NULL, ARG_NO_BLOCK },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-wall", no_argument, NULL, ARG_NO_WALL },
+ { "quiet", no_argument, NULL, 'q' },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "force", no_argument, NULL, ARG_FORCE },
+ { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
+ { "kill-who", required_argument, NULL, ARG_KILL_WHO },
+ { "signal", required_argument, NULL, 's' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "runtime", no_argument, NULL, ARG_RUNTIME },
+ { "lines", required_argument, NULL, 'n' },
+ { "output", required_argument, NULL, 'o' },
+ { "plain", no_argument, NULL, ARG_PLAIN },
+ { "state", required_argument, NULL, ARG_STATE },
+ { "recursive", no_argument, NULL, 'r' },
+ { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
+ { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
+ { "now", no_argument, NULL, ARG_NOW },
+ { "message", required_argument, NULL, ARG_MESSAGE },
+ {}
+ };
+
+ const char *p;
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
+ arg_ask_password = true;
+
+ while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ systemctl_help();
+ return 0;
+
+ case ARG_VERSION:
+ return version();
+
+ case 't': {
+ if (isempty(optarg)) {
+ log_error("--type requires arguments.");
+ return -EINVAL;
+ }
+
+ p = optarg;
+ for(;;) {
+ _cleanup_free_ char *type = NULL;
+
+ r = extract_first_word(&p, &type, ",", 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse type: %s", optarg);
+
+ if (r == 0)
+ break;
+
+ if (streq(type, "help")) {
+ help_types();
+ return 0;
+ }
+
+ if (unit_type_from_string(type) >= 0) {
+ if (strv_push(&arg_types, type) < 0)
+ return log_oom();
+ type = NULL;
+ continue;
+ }
+
+ /* It's much nicer to use --state= for
+ * load states, but let's support this
+ * in --types= too for compatibility
+ * with old versions */
+ if (unit_load_state_from_string(type) >= 0) {
+ if (strv_push(&arg_states, type) < 0)
+ return log_oom();
+ type = NULL;
+ continue;
+ }
+
+ log_error("Unknown unit type or load state '%s'.", type);
+ log_info("Use -t help to see a list of allowed values.");
+ return -EINVAL;
+ }
+
+ break;
+ }
+
+ case 'p': {
+ /* Make sure that if the empty property list
+ was specified, we won't show any properties. */
+ if (isempty(optarg) && !arg_properties) {
+ arg_properties = new0(char*, 1);
+ if (!arg_properties)
+ return log_oom();
+ } else {
+ p = optarg;
+ for(;;) {
+ _cleanup_free_ char *prop = NULL;
+
+ r = extract_first_word(&p, &prop, ",", 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse property: %s", optarg);
+
+ if (r == 0)
+ break;
+
+ if (strv_push(&arg_properties, prop) < 0)
+ return log_oom();
+
+ prop = NULL;
+ }
+ }
+
+ /* If the user asked for a particular
+ * property, show it to him, even if it is
+ * empty. */
+ arg_all = true;
+
+ break;
+ }
+
+ case 'a':
+ arg_all = true;
+ break;
+
+ case ARG_REVERSE:
+ arg_dependency = DEPENDENCY_REVERSE;
+ break;
+
+ case ARG_AFTER:
+ arg_dependency = DEPENDENCY_AFTER;
+ break;
+
+ case ARG_BEFORE:
+ arg_dependency = DEPENDENCY_BEFORE;
+ break;
+
+ case ARG_SHOW_TYPES:
+ arg_show_types = true;
+ break;
+
+ case ARG_JOB_MODE:
+ arg_job_mode = optarg;
+ break;
+
+ case ARG_FAIL:
+ arg_job_mode = "fail";
+ break;
+
+ case ARG_IRREVERSIBLE:
+ arg_job_mode = "replace-irreversibly";
+ break;
+
+ case ARG_IGNORE_DEPENDENCIES:
+ arg_job_mode = "ignore-dependencies";
+ break;
+
+ case ARG_USER:
+ arg_scope = UNIT_FILE_USER;
+ break;
+
+ case ARG_SYSTEM:
+ arg_scope = UNIT_FILE_SYSTEM;
+ break;
+
+ case ARG_GLOBAL:
+ arg_scope = UNIT_FILE_GLOBAL;
+ break;
+
+ case ARG_NO_BLOCK:
+ arg_no_block = true;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_no_legend = true;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
+ break;
+
+ case ARG_NO_WALL:
+ arg_no_wall = true;
+ break;
+
+ case ARG_ROOT:
+ r = parse_path_argument_and_warn(optarg, true, &arg_root);
+ if (r < 0)
+ return r;
+ break;
+
+ case 'l':
+ arg_full = true;
+ break;
+
+ case ARG_FAILED:
+ if (strv_extend(&arg_states, "failed") < 0)
+ return log_oom();
+
+ break;
+
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case ARG_FORCE:
+ arg_force ++;
+ break;
+
+ case 'f':
+ arg_force ++;
+ break;
+
+ case ARG_NO_RELOAD:
+ arg_no_reload = true;
+ break;
+
+ case ARG_KILL_WHO:
+ arg_kill_who = optarg;
+ break;
+
+ case 's':
+ arg_signal = signal_from_string_try_harder(optarg);
+ if (arg_signal < 0) {
+ log_error("Failed to parse signal string %s.", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
+ break;
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case ARG_RUNTIME:
+ arg_runtime = true;
+ break;
+
+ case 'n':
+ if (safe_atou(optarg, &arg_lines) < 0) {
+ log_error("Failed to parse lines '%s'", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case 'o':
+ arg_output = output_mode_from_string(optarg);
+ if (arg_output < 0) {
+ log_error("Unknown output '%s'.", optarg);
+ return -EINVAL;
+ }
+ break;
+
+ case 'i':
+ arg_ignore_inhibitors = true;
+ break;
+
+ case ARG_PLAIN:
+ arg_plain = true;
+ break;
+
+ case ARG_FIRMWARE_SETUP:
+ arg_firmware_setup = true;
+ break;
+
+ case ARG_STATE: {
+ if (isempty(optarg)) {
+ log_error("--signal requires arguments.");
+ return -EINVAL;
+ }
+
+ p = optarg;
+ for(;;) {
+ _cleanup_free_ char *s = NULL;
+
+ r = extract_first_word(&p, &s, ",", 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse signal: %s", optarg);
+
+ if (r == 0)
+ break;
+
+ if (streq(s, "help")) {
+ help_states();
+ return 0;
+ }
+
+ if (strv_push(&arg_states, s) < 0)
+ return log_oom();
+
+ s = NULL;
+ }
+ break;
+ }
+
+ case 'r':
+ if (geteuid() != 0) {
+ log_error("--recursive requires root privileges.");
+ return -EPERM;
+ }
+
+ arg_recursive = true;
+ break;
+
+ case ARG_PRESET_MODE:
+
+ arg_preset_mode = unit_file_preset_mode_from_string(optarg);
+ if (arg_preset_mode < 0) {
+ log_error("Failed to parse preset mode: %s.", optarg);
+ return -EINVAL;
+ }
+
+ break;
+
+ case ARG_NOW:
+ arg_now = true;
+ break;
+
+ case ARG_MESSAGE:
+ if (strv_extend(&arg_wall, optarg) < 0)
+ return log_oom();
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
+ log_error("Cannot access user instance remotely.");
+ return -EINVAL;
+ }
+
+ return 1;
+}
+
+static int halt_parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_HELP = 0x100,
+ ARG_HALT,
+ ARG_REBOOT,
+ ARG_NO_WALL
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, ARG_HELP },
+ { "halt", no_argument, NULL, ARG_HALT },
+ { "poweroff", no_argument, NULL, 'p' },
+ { "reboot", no_argument, NULL, ARG_REBOOT },
+ { "force", no_argument, NULL, 'f' },
+ { "wtmp-only", no_argument, NULL, 'w' },
+ { "no-wtmp", no_argument, NULL, 'd' },
+ { "no-wall", no_argument, NULL, ARG_NO_WALL },
+ {}
+ };
+
+ int c, r, runlevel;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ if (utmp_get_runlevel(&runlevel, NULL) >= 0)
+ if (runlevel == '0' || runlevel == '6')
+ arg_force = 2;
+
+ while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
+ switch (c) {
+
+ case ARG_HELP:
+ halt_help();
+ return 0;
+
+ case ARG_HALT:
+ arg_action = ACTION_HALT;
+ break;
+
+ case 'p':
+ if (arg_action != ACTION_REBOOT)
+ arg_action = ACTION_POWEROFF;
+ break;
+
+ case ARG_REBOOT:
+ arg_action = ACTION_REBOOT;
+ break;
+
+ case 'f':
+ arg_force = 2;
+ break;
+
+ case 'w':
+ arg_dry = true;
+ break;
+
+ case 'd':
+ arg_no_wtmp = true;
+ break;
+
+ case ARG_NO_WALL:
+ arg_no_wall = true;
+ break;
+
+ case 'i':
+ case 'h':
+ case 'n':
+ /* Compatibility nops */
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
+ r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL);
+ if (r < 0)
+ return r;
+ } else if (optind < argc) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ return 1;
+}
+
+static int parse_shutdown_time_spec(const char *t, usec_t *_u) {
+ assert(t);
+ assert(_u);
+
+ if (streq(t, "now"))
+ *_u = 0;
+ else if (!strchr(t, ':')) {
+ uint64_t u;
+
+ if (safe_atou64(t, &u) < 0)
+ return -EINVAL;
+
+ *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
+ } else {
+ char *e = NULL;
+ long hour, minute;
+ struct tm tm = {};
+ time_t s;
+ usec_t n;
+
+ errno = 0;
+ hour = strtol(t, &e, 10);
+ if (errno > 0 || *e != ':' || hour < 0 || hour > 23)
+ return -EINVAL;
+
+ minute = strtol(e+1, &e, 10);
+ if (errno > 0 || *e != 0 || minute < 0 || minute > 59)
+ return -EINVAL;
+
+ n = now(CLOCK_REALTIME);
+ s = (time_t) (n / USEC_PER_SEC);
+
+ assert_se(localtime_r(&s, &tm));
+
+ tm.tm_hour = (int) hour;
+ tm.tm_min = (int) minute;
+ tm.tm_sec = 0;
+
+ assert_se(s = mktime(&tm));
+
+ *_u = (usec_t) s * USEC_PER_SEC;
+
+ while (*_u <= n)
+ *_u += USEC_PER_DAY;
+ }
+
+ return 0;
+}
+
+static int shutdown_parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_HELP = 0x100,
+ ARG_NO_WALL
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, ARG_HELP },
+ { "halt", no_argument, NULL, 'H' },
+ { "poweroff", no_argument, NULL, 'P' },
+ { "reboot", no_argument, NULL, 'r' },
+ { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
+ { "no-wall", no_argument, NULL, ARG_NO_WALL },
+ {}
+ };
+
+ char **wall = NULL;
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "HPrhkKtafFc", options, NULL)) >= 0)
+ switch (c) {
+
+ case ARG_HELP:
+ shutdown_help();
+ return 0;
+
+ case 'H':
+ arg_action = ACTION_HALT;
+ break;
+
+ case 'P':
+ arg_action = ACTION_POWEROFF;
+ break;
+
+ case 'r':
+ if (kexec_loaded())
+ arg_action = ACTION_KEXEC;
+ else
+ arg_action = ACTION_REBOOT;
+ break;
+
+ case 'K':
+ arg_action = ACTION_KEXEC;
+ break;
+
+ case 'h':
+ if (arg_action != ACTION_HALT)
+ arg_action = ACTION_POWEROFF;
+ break;
+
+ case 'k':
+ arg_dry = true;
+ break;
+
+ case ARG_NO_WALL:
+ arg_no_wall = true;
+ break;
+
+ case 't':
+ case 'a':
+ case 'f':
+ case 'F':
+ /* Compatibility nops */
+ break;
+
+ case 'c':
+ arg_action = ACTION_CANCEL_SHUTDOWN;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
+ r = parse_shutdown_time_spec(argv[optind], &arg_when);
+ if (r < 0) {
+ log_error("Failed to parse time specification: %s", argv[optind]);
+ return r;
+ }
+ } else
+ arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
+
+ if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
+ /* No time argument for shutdown cancel */
+ wall = argv + optind;
+ else if (argc > optind + 1)
+ /* We skip the time argument */
+ wall = argv + optind + 1;
+
+ if (wall) {
+ arg_wall = strv_copy(wall);
+ if (!arg_wall)
+ return log_oom();
+ }
+
+ optind = argc;
+
+ return 1;
+}
+
+static int telinit_parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_HELP = 0x100,
+ ARG_NO_WALL
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, ARG_HELP },
+ { "no-wall", no_argument, NULL, ARG_NO_WALL },
+ {}
+ };
+
+ static const struct {
+ char from;
+ enum action to;
+ } table[] = {
+ { '0', ACTION_POWEROFF },
+ { '6', ACTION_REBOOT },
+ { '1', ACTION_RESCUE },
+ { '2', ACTION_RUNLEVEL2 },
+ { '3', ACTION_RUNLEVEL3 },
+ { '4', ACTION_RUNLEVEL4 },
+ { '5', ACTION_RUNLEVEL5 },
+ { 's', ACTION_RESCUE },
+ { 'S', ACTION_RESCUE },
+ { 'q', ACTION_RELOAD },
+ { 'Q', ACTION_RELOAD },
+ { 'u', ACTION_REEXEC },
+ { 'U', ACTION_REEXEC }
+ };
+
+ unsigned i;
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
+ switch (c) {
+
+ case ARG_HELP:
+ telinit_help();
+ return 0;
+
+ case ARG_NO_WALL:
+ arg_no_wall = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (optind >= argc) {
+ log_error("%s: required argument missing.", program_invocation_short_name);
+ return -EINVAL;
+ }
+
+ if (optind + 1 < argc) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ if (strlen(argv[optind]) != 1) {
+ log_error("Expected single character argument.");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ELEMENTSOF(table); i++)
+ if (table[i].from == argv[optind][0])
+ break;
+
+ if (i >= ELEMENTSOF(table)) {
+ log_error("Unknown command '%s'.", argv[optind]);
+ return -EINVAL;
+ }
+
+ arg_action = table[i].to;
+
+ optind ++;
+
+ return 1;
+}
+
+static int runlevel_parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_HELP = 0x100,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, ARG_HELP },
+ {}
+ };
+
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
+ switch (c) {
+
+ case ARG_HELP:
+ runlevel_help();
+ return 0;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ if (optind < argc) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ return 1;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ assert(argc >= 0);
+ assert(argv);
+
+ if (program_invocation_short_name) {
+
+ if (strstr(program_invocation_short_name, "halt")) {
+ arg_action = ACTION_HALT;
+ return halt_parse_argv(argc, argv);
+ } else if (strstr(program_invocation_short_name, "poweroff")) {
+ arg_action = ACTION_POWEROFF;
+ return halt_parse_argv(argc, argv);
+ } else if (strstr(program_invocation_short_name, "reboot")) {
+ if (kexec_loaded())
+ arg_action = ACTION_KEXEC;
+ else
+ arg_action = ACTION_REBOOT;
+ return halt_parse_argv(argc, argv);
+ } else if (strstr(program_invocation_short_name, "shutdown")) {
+ arg_action = ACTION_POWEROFF;
+ return shutdown_parse_argv(argc, argv);
+ } else if (strstr(program_invocation_short_name, "init")) {
+
+ if (sd_booted() > 0) {
+ arg_action = _ACTION_INVALID;
+ return telinit_parse_argv(argc, argv);
+ } else {
+ /* Hmm, so some other init system is
+ * running, we need to forward this
+ * request to it. For now we simply
+ * guess that it is Upstart. */
+
+ execv(TELINIT, argv);
+
+ log_error("Couldn't find an alternative telinit implementation to spawn.");
+ return -EIO;
+ }
+
+ } else if (strstr(program_invocation_short_name, "runlevel")) {
+ arg_action = ACTION_RUNLEVEL;
+ return runlevel_parse_argv(argc, argv);
+ }
+ }
+
+ arg_action = ACTION_SYSTEMCTL;
+ return systemctl_parse_argv(argc, argv);
+}
+
+_pure_ static int action_to_runlevel(void) {
+
+ static const char table[_ACTION_MAX] = {
+ [ACTION_HALT] = '0',
+ [ACTION_POWEROFF] = '0',
+ [ACTION_REBOOT] = '6',
+ [ACTION_RUNLEVEL2] = '2',
+ [ACTION_RUNLEVEL3] = '3',
+ [ACTION_RUNLEVEL4] = '4',
+ [ACTION_RUNLEVEL5] = '5',
+ [ACTION_RESCUE] = '1'
+ };
+
+ assert(arg_action < _ACTION_MAX);
+
+ return table[arg_action];
+}
+
+static int talk_initctl(void) {
+#ifdef HAVE_SYSV_COMPAT
+ struct init_request request = {
+ .magic = INIT_MAGIC,
+ .sleeptime = 0,
+ .cmd = INIT_CMD_RUNLVL
+ };
+
+ _cleanup_close_ int fd = -1;
+ char rl;
+ int r;
+
+ rl = action_to_runlevel();
+ if (!rl)
+ return 0;
+
+ request.runlevel = rl;
+
+ fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY);
+ if (fd < 0) {
+ if (errno == ENOENT)
+ return 0;
+
+ return log_error_errno(errno, "Failed to open "INIT_FIFO": %m");
+ }
+
+ r = loop_write(fd, &request, sizeof(request), false);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write to "INIT_FIFO": %m");
+
+ return 1;
+#else
+ return 0;
+#endif
+}
+
+static int systemctl_main(int argc, char *argv[]) {
+
+ static const Verb verbs[] = {
+ { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_NOCHROOT, list_units },
+ { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
+ { "list-sockets", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_sockets },
+ { "list-timers", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_timers },
+ { "list-jobs", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_jobs },
+ { "list-machines", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_machines },
+ { "clear-jobs", VERB_ANY, 1, VERB_NOCHROOT, daemon_reload },
+ { "cancel", VERB_ANY, VERB_ANY, VERB_NOCHROOT, cancel_job },
+ { "start", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "stop", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "condstop", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with ALTLinux */
+ { "reload", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "try-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "reload-or-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "reload-or-try-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatbility with old systemctl <= 228 */
+ { "try-reload-or-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit },
+ { "force-reload", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with SysV */
+ { "condreload", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with ALTLinux */
+ { "condrestart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with RH */
+ { "isolate", 2, 2, VERB_NOCHROOT, start_unit },
+ { "kill", 2, VERB_ANY, VERB_NOCHROOT, kill_unit },
+ { "is-active", 2, VERB_ANY, VERB_NOCHROOT, check_unit_active },
+ { "check", 2, VERB_ANY, VERB_NOCHROOT, check_unit_active },
+ { "is-failed", 2, VERB_ANY, VERB_NOCHROOT, check_unit_failed },
+ { "show", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show },
+ { "cat", 2, VERB_ANY, VERB_NOCHROOT, cat },
+ { "status", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show },
+ { "help", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show },
+ { "daemon-reload", VERB_ANY, 1, VERB_NOCHROOT, daemon_reload },
+ { "daemon-reexec", VERB_ANY, 1, VERB_NOCHROOT, daemon_reload },
+ { "show-environment", VERB_ANY, 1, VERB_NOCHROOT, show_environment },
+ { "set-environment", 2, VERB_ANY, VERB_NOCHROOT, set_environment },
+ { "unset-environment", 2, VERB_ANY, VERB_NOCHROOT, set_environment },
+ { "import-environment", VERB_ANY, VERB_ANY, VERB_NOCHROOT, import_environment},
+ { "halt", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "poweroff", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "reboot", VERB_ANY, 2, VERB_NOCHROOT, start_special },
+ { "kexec", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "suspend", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "hibernate", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "hybrid-sleep", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "default", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "rescue", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "emergency", VERB_ANY, 1, VERB_NOCHROOT, start_special },
+ { "exit", VERB_ANY, 2, VERB_NOCHROOT, start_special },
+ { "reset-failed", VERB_ANY, VERB_ANY, VERB_NOCHROOT, reset_failed },
+ { "enable", 2, VERB_ANY, 0, enable_unit },
+ { "disable", 2, VERB_ANY, 0, enable_unit },
+ { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
+ { "reenable", 2, VERB_ANY, 0, enable_unit },
+ { "preset", 2, VERB_ANY, 0, enable_unit },
+ { "preset-all", VERB_ANY, 1, 0, preset_all },
+ { "mask", 2, VERB_ANY, 0, enable_unit },
+ { "unmask", 2, VERB_ANY, 0, enable_unit },
+ { "link", 2, VERB_ANY, 0, enable_unit },
+ { "switch-root", 2, VERB_ANY, VERB_NOCHROOT, switch_root },
+ { "list-dependencies", VERB_ANY, 2, VERB_NOCHROOT, list_dependencies },
+ { "set-default", 2, 2, 0, set_default },
+ { "get-default", VERB_ANY, 1, 0, get_default, },
+ { "set-property", 3, VERB_ANY, VERB_NOCHROOT, set_property },
+ { "is-system-running", VERB_ANY, 1, 0, is_system_running },
+ { "add-wants", 3, VERB_ANY, 0, add_dependency },
+ { "add-requires", 3, VERB_ANY, 0, add_dependency },
+ { "edit", 2, VERB_ANY, VERB_NOCHROOT, edit },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+static int reload_with_fallback(void) {
+
+ /* First, try systemd via D-Bus. */
+ if (daemon_reload(0, NULL, NULL) >= 0)
+ return 0;
+
+ /* Nothing else worked, so let's try signals */
+ assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC);
+
+ if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
+ return log_error_errno(errno, "kill() failed: %m");
+
+ return 0;
+}
+
+static int start_with_fallback(void) {
+
+ /* First, try systemd via D-Bus. */
+ if (start_unit(0, NULL, NULL) >= 0)
+ return 0;
+
+ /* Nothing else worked, so let's try
+ * /dev/initctl */
+ if (talk_initctl() > 0)
+ return 0;
+
+ log_error("Failed to talk to init daemon.");
+ return -EIO;
+}
+
+static int halt_now(enum action a) {
+
+ /* The kernel will automaticall flush ATA disks and suchlike
+ * on reboot(), but the file systems need to be synce'd
+ * explicitly in advance. */
+ (void) sync();
+
+ /* Make sure C-A-D is handled by the kernel from this point
+ * on... */
+ (void) reboot(RB_ENABLE_CAD);
+
+ switch (a) {
+
+ case ACTION_HALT:
+ log_info("Halting.");
+ (void) reboot(RB_HALT_SYSTEM);
+ return -errno;
+
+ case ACTION_POWEROFF:
+ log_info("Powering off.");
+ (void) reboot(RB_POWER_OFF);
+ return -errno;
+
+ case ACTION_KEXEC:
+ case ACTION_REBOOT: {
+ _cleanup_free_ char *param = NULL;
+
+ if (read_one_line_file(REBOOT_PARAM_FILE, &param) >= 0) {
+ log_info("Rebooting with argument '%s'.", param);
+ (void) syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, param);
+ }
+
+ log_info("Rebooting.");
+ (void) reboot(RB_AUTOBOOT);
+ return -errno;
+ }
+
+ default:
+ assert_not_reached("Unknown action.");
+ }
+}
+
+static int logind_schedule_shutdown(void) {
+
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ char date[FORMAT_TIMESTAMP_MAX];
+ const char *action;
+ sd_bus *bus;
+ int r;
+
+ (void) logind_set_wall_message();
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ switch (arg_action) {
+ case ACTION_HALT:
+ action = "halt";
+ break;
+ case ACTION_POWEROFF:
+ action = "poweroff";
+ break;
+ case ACTION_KEXEC:
+ action = "kexec";
+ break;
+ case ACTION_EXIT:
+ action = "exit";
+ break;
+ case ACTION_REBOOT:
+ default:
+ action = "reboot";
+ break;
+ }
+
+ if (arg_dry)
+ action = strjoina("dry-", action);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "ScheduleShutdown",
+ &error,
+ NULL,
+ "st",
+ action,
+ arg_when);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
+
+ log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
+ return 0;
+#else
+ log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
+ return -ENOSYS;
+#endif
+}
+
+static int halt_main(void) {
+ int r;
+
+ r = logind_check_inhibitors(arg_action);
+ if (r < 0)
+ return r;
+
+ if (arg_when > 0)
+ return logind_schedule_shutdown();
+
+ if (geteuid() != 0) {
+ if (arg_dry || arg_force > 0) {
+ log_error("Must be root.");
+ return -EPERM;
+ }
+
+ /* Try logind if we are a normal user and no special
+ * mode applies. Maybe PolicyKit allows us to shutdown
+ * the machine. */
+ if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT)) {
+ r = logind_reboot(arg_action);
+ if (r >= 0)
+ return r;
+ if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
+ /* requested operation is not
+ * supported on the local system or
+ * already in progress */
+ return r;
+ /* on all other errors, try low-level operation */
+ }
+ }
+
+ if (!arg_dry && !arg_force)
+ return start_with_fallback();
+
+ assert(geteuid() == 0);
+
+ if (!arg_no_wtmp) {
+ if (sd_booted() > 0)
+ log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+ else {
+ r = utmp_put_shutdown();
+ if (r < 0)
+ log_warning_errno(r, "Failed to write utmp record: %m");
+ }
+ }
+
+ if (arg_dry)
+ return 0;
+
+ r = halt_now(arg_action);
+ return log_error_errno(r, "Failed to reboot: %m");
+}
+
+static int runlevel_main(void) {
+ int r, runlevel, previous;
+
+ r = utmp_get_runlevel(&runlevel, &previous);
+ if (r < 0) {
+ puts("unknown");
+ return r;
+ }
+
+ printf("%c %c\n",
+ previous <= 0 ? 'N' : previous,
+ runlevel <= 0 ? 'N' : runlevel);
+
+ return 0;
+}
+
+static int logind_cancel_shutdown(void) {
+#ifdef HAVE_LOGIND
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_FULL, &bus);
+ if (r < 0)
+ return r;
+
+ (void) logind_set_wall_message();
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ "CancelScheduledShutdown",
+ &error,
+ NULL, NULL);
+ if (r < 0)
+ return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
+
+ return 0;
+#else
+ log_error("Not compiled with logind support, cannot cancel scheduled shutdowns.");
+ return -ENOSYS;
+#endif
+}
+
+int main(int argc, char*argv[]) {
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ /* Explicitly not on_tty() to avoid setting cached value.
+ * This becomes relevant for piping output which might be
+ * ellipsized. */
+ original_stdout_is_tty = isatty(STDOUT_FILENO);
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
+ log_info("Running in chroot, ignoring request.");
+ r = 0;
+ goto finish;
+ }
+
+ /* systemctl_main() will print an error message for the bus
+ * connection, but only if it needs to */
+
+ switch (arg_action) {
+
+ case ACTION_SYSTEMCTL:
+ r = systemctl_main(argc, argv);
+ break;
+
+ case ACTION_HALT:
+ case ACTION_POWEROFF:
+ case ACTION_REBOOT:
+ case ACTION_KEXEC:
+ r = halt_main();
+ break;
+
+ case ACTION_RUNLEVEL2:
+ case ACTION_RUNLEVEL3:
+ case ACTION_RUNLEVEL4:
+ case ACTION_RUNLEVEL5:
+ case ACTION_RESCUE:
+ case ACTION_EMERGENCY:
+ case ACTION_DEFAULT:
+ r = start_with_fallback();
+ break;
+
+ case ACTION_RELOAD:
+ case ACTION_REEXEC:
+ r = reload_with_fallback();
+ break;
+
+ case ACTION_CANCEL_SHUTDOWN:
+ r = logind_cancel_shutdown();
+ break;
+
+ case ACTION_RUNLEVEL:
+ r = runlevel_main();
+ break;
+
+ case _ACTION_INVALID:
+ default:
+ assert_not_reached("Unknown action");
+ }
+
+finish:
+ pager_close();
+ ask_password_agent_close();
+ polkit_agent_close();
+
+ strv_free(arg_types);
+ strv_free(arg_states);
+ strv_free(arg_properties);
+
+ strv_free(arg_wall);
+ free(arg_root);
+
+ release_busses();
+
+ /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */
+
+ return r < 0 ? EXIT_FAILURE : r;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-06 15:18:53 +0000