chiark / gitweb /
Remove src/systemctl
authorAndy Wingo <wingo@pobox.com>
Sun, 19 Apr 2015 11:28:47 +0000 (13:28 +0200)
committerAndy Wingo <wingo@pobox.com>
Sun, 19 Apr 2015 11:32:26 +0000 (13:32 +0200)
src/systemctl/Makefile [deleted symlink]
src/systemctl/systemctl.c [deleted file]

diff --git a/src/systemctl/Makefile b/src/systemctl/Makefile
deleted file mode 120000 (symlink)
index d0b0e8e..0000000
+++ /dev/null
@@ -1 +0,0 @@
-../Makefile
\ No newline at end of file
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
deleted file mode 100644 (file)
index 30dffec..0000000
+++ /dev/null
@@ -1,7315 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  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 <sys/reboot.h>
-#include <linux/reboot.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <locale.h>
-#include <stdbool.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <stddef.h>
-
-#include "sd-daemon.h"
-#include "sd-shutdown.h"
-#include "sd-login.h"
-#include "sd-bus.h"
-#include "log.h"
-#include "util.h"
-#include "macro.h"
-#include "set.h"
-#include "utmp-wtmp.h"
-#include "special.h"
-#include "initreq.h"
-#include "path-util.h"
-#include "strv.h"
-#include "cgroup-show.h"
-#include "cgroup-util.h"
-#include "list.h"
-#include "path-lookup.h"
-#include "exit-status.h"
-#include "build.h"
-#include "unit-name.h"
-#include "pager.h"
-#include "spawn-ask-password-agent.h"
-#include "spawn-polkit-agent.h"
-#include "install.h"
-#include "logs-show.h"
-#include "socket-util.h"
-#include "fileio.h"
-#include "copy.h"
-#include "env-util.h"
-#include "bus-util.h"
-#include "bus-message.h"
-#include "bus-error.h"
-#include "bus-common-errors.h"
-#include "mkdir.h"
-#include "dropin.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 = true;
-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 const 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 char *arg_host = NULL;
-static unsigned arg_lines = 10;
-static OutputMode arg_output = OUTPUT_SHORT;
-static bool arg_plain = false;
-
-static bool original_stdout_is_tty;
-
-static int daemon_reload(sd_bus *bus, char **args);
-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 char** strv_skip_first(char **strv) {
-        if (strv_length(strv) > 0)
-                return strv + 1;
-        return NULL;
-}
-
-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 |
-                on_tty() * 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 void warn_wall(enum action a) {
-        static const char *table[_ACTION_MAX] = {
-                [ACTION_HALT]            = "The system is going down for system halt NOW!",
-                [ACTION_REBOOT]          = "The system is going down for reboot NOW!",
-                [ACTION_POWEROFF]        = "The system is going down for power-off NOW!",
-                [ACTION_KEXEC]           = "The system is going down for kexec reboot NOW!",
-                [ACTION_RESCUE]          = "The system is going down to rescue mode NOW!",
-                [ACTION_EMERGENCY]       = "The system is going down to emergency mode NOW!",
-                [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!"
-        };
-
-        if (arg_no_wall)
-                return;
-
-        if (arg_wall) {
-                _cleanup_free_ char *p;
-
-                p = strv_join(arg_wall, " ");
-                if (!p) {
-                        log_oom();
-                        return;
-                }
-
-                if (*p) {
-                        utmp_wall(p, NULL, NULL);
-                        return;
-                }
-        }
-
-        if (!table[a])
-                return;
-
-        utmp_wall(table[a], NULL, NULL);
-}
-
-static bool avoid_bus(void) {
-
-        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;
-
-        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_highlight_off();
-                        circle = true;
-                } else if (streq(u->active_state, "failed") && !arg_plain) {
-                        on_circle = on_active = ansi_highlight_red();
-                        off_circle = off_active = ansi_highlight_off();
-                        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_highlight_off();
-                } else {
-                        on = ansi_highlight_red();
-                        off = ansi_highlight_off();
-                }
-
-                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_bus_message_unref_ sd_bus_message *m = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ 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) {
-                log_error("Failed to list units: %s", bus_error_message(&error, r));
-                return 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 r;
-        }
-
-        if (arg_recursive) {
-                _cleanup_strv_free_ char **machines = NULL;
-                char **i;
-
-                r = sd_get_machine_names(&machines);
-                if (r < 0)
-                        return r;
-
-                STRV_FOREACH(i, machines) {
-                        _cleanup_bus_close_unref_ sd_bus *container = NULL;
-                        int k;
-
-                        r = sd_bus_open_system_machine(&container, *i);
-                        if (r < 0) {
-                                log_error_errno(r, "Failed to connect to container %s: %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 r;
-                        }
-                }
-
-                *_machines = machines;
-                machines = NULL;
-        } else
-                *_machines = NULL;
-
-        *_unit_infos = unit_infos;
-        unit_infos = NULL;
-
-        *_replies = replies;
-        replies = NULL;
-
-        return c;
-}
-
-static int list_units(sd_bus *bus, char **args) {
-        _cleanup_free_ UnitInfo *unit_infos = NULL;
-        _cleanup_(message_set_freep) Set *replies = NULL;
-        _cleanup_strv_free_ char **machines = NULL;
-        int r;
-
-        pager_open_if_enabled();
-
-        r = get_unit_list_recursive(bus, strv_skip_first(args), &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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        int r;
-
-        r = sd_bus_get_property_strv(
-                        bus,
-                        "org.freedesktop.systemd1",
-                        path,
-                        "org.freedesktop.systemd1.Unit",
-                        "Triggers",
-                        &error,
-                        ret);
-
-        if (r < 0)
-                log_error("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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ 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) {
-                log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r));
-                return 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_highlight_off();
-                if (!arg_no_legend)
-                        printf("\n");
-        } else {
-                on = ansi_highlight_red();
-                off = ansi_highlight_off();
-        }
-
-        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(sd_bus *bus, char **args) {
-        _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;
-
-        pager_open_if_enabled();
-
-        n = get_unit_list_recursive(bus, strv_skip_first(args), &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_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) {
-                log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        r = sd_bus_get_property_trivial(
-                        bus,
-                        "org.freedesktop.systemd1",
-                        path,
-                        "org.freedesktop.systemd1.Timer",
-                        "NextElapseUSecRealtime",
-                        &error,
-                        't',
-                        &t.realtime);
-        if (r < 0) {
-                log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        *next = t;
-        return 0;
-}
-
-static int get_last_trigger(
-                sd_bus *bus,
-                const char *path,
-                usec_t *last) {
-
-        _cleanup_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) {
-                log_error("Failed to get last trigger time: %s", bus_error_message(&error, r));
-                return 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_highlight_off();
-                if (!arg_no_legend)
-                        printf("\n");
-        } else {
-                on = ansi_highlight_red();
-                off = ansi_highlight_off();
-        }
-
-        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(sd_bus *bus, char **args) {
-        _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;
-        int r = 0;
-
-        pager_open_if_enabled();
-
-        n = get_unit_list_recursive(bus, strv_skip_first(args), &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 = {};
-                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 (u->state == UNIT_FILE_MASKED ||
-                    u->state == UNIT_FILE_MASKED_RUNTIME ||
-                    u->state == UNIT_FILE_DISABLED ||
-                    u->state == UNIT_FILE_INVALID) {
-                        on  = ansi_highlight_red();
-                        off = ansi_highlight_off();
-                } else if (u->state == UNIT_FILE_ENABLED) {
-                        on  = ansi_highlight_green();
-                        off = ansi_highlight_off();
-                } 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(sd_bus *bus, char **args) {
-        _cleanup_bus_message_unref_ 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 (avoid_bus()) {
-                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);
-                        log_error_errno(r, "Failed to get unit file list: %m");
-                        return r;
-                }
-
-                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_first(args)))
-                                continue;
-
-                        units[c++] = *u;
-                        free(u);
-                }
-
-                assert(c <= n_units);
-                hashmap_free(h);
-        } else {
-                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
-                r = sd_bus_call_method(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                "/org/freedesktop/systemd1",
-                                "org.freedesktop.systemd1.Manager",
-                                "ListUnitFiles",
-                                &error,
-                                &reply,
-                                NULL);
-                if (r < 0) {
-                        log_error("Failed to list unit files: %s", bus_error_message(&error, r));
-                        return 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_first(args)))
-                                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 (avoid_bus()) {
-                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"
-                                       "RequiresOverridable\0"
-                                       "Requisite\0"
-                                       "RequisiteOverridable\0"
-                                       "Wants\0"
-                                       "BindsTo\0",
-                [DEPENDENCY_REVERSE] = "RequiredBy\0"
-                                       "RequiredByOverridable\0"
-                                       "WantedBy\0"
-                                       "PartOf\0"
-                                       "BoundBy\0",
-                [DEPENDENCY_AFTER]   = "After\0",
-                [DEPENDENCY_BEFORE]  = "Before\0",
-        };
-
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ 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) {
-                log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r));
-                return 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_highlight_off());
-                }
-
-                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(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **units = NULL;
-        _cleanup_free_ char *unit = NULL;
-        const char *u;
-
-        assert(bus);
-
-        if (args[1]) {
-                unit = unit_name_mangle(args[1], MANGLE_NOGLOB);
-                if (!unit)
-                        return log_oom();
-                u = unit;
-        } else
-                u = SPECIAL_DEFAULT_TARGET;
-
-        pager_open_if_enabled();
-
-        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 free_machines_list(struct machine_info *machine_infos, int n) {
-        int i;
-
-        if (!machine_infos)
-                return;
-
-        for (i = 0; i < n; i++) {
-                free(machine_infos[i].name);
-                free(machine_infos[i].state);
-                free(machine_infos[i].control_group);
-        }
-
-        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_bus_close_unref_ 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;
-
-        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++;
-        }
-
-        sd_get_machine_names(&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_highlight_off();
-                        circle = true;
-                } else if (!streq_ptr(m->state, "running")) {
-                        on_state = ansi_highlight_yellow();
-                        off_state = ansi_highlight_off();
-                        circle = true;
-                }
-
-                if (m->n_failed_units > 0) {
-                        on_failed = ansi_highlight_red();
-                        off_failed = ansi_highlight_off();
-                } 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(sd_bus *bus, char **args) {
-        struct machine_info *machine_infos = NULL;
-        int r;
-
-        assert(bus);
-
-        if (geteuid() != 0) {
-                log_error("Must be root.");
-                return -EPERM;
-        }
-
-        pager_open_if_enabled();
-
-        r = get_machine_list(bus, &machine_infos, strv_skip_first(args));
-        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(sd_bus *bus, char **args) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_free_ char *_path = NULL;
-        const char *path;
-        int r;
-
-        if (!bus || avoid_bus()) {
-                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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
-                r = sd_bus_call_method(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                "/org/freedesktop/systemd1",
-                                "org.freedesktop.systemd1.Manager",
-                                "GetDefaultTarget",
-                                &error,
-                                &reply,
-                                NULL);
-                if (r < 0) {
-                        log_error("Failed to get default target: %s", bus_error_message(&error, -r));
-                        return 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 from %s to %s.", changes[i].path, changes[i].source);
-                else
-                        log_info("Removed symlink %s.", changes[i].path);
-        }
-}
-
-static int set_default(sd_bus *bus, char **args) {
-        _cleanup_free_ char *unit = NULL;
-        UnitFileChange *changes = NULL;
-        unsigned n_changes = 0;
-        int r;
-
-        unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
-        if (!unit)
-                return log_oom();
-
-        if (!bus || avoid_bus()) {
-                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);
-
-                r = 0;
-        } else {
-                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-
-                polkit_agent_open_if_enabled();
-
-                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) {
-                        log_error("Failed to set default target: %s", bus_error_message(&error, -r));
-                        return r;
-                }
-
-                r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
-                if (r < 0)
-                        return r;
-
-                /* Try to reload if enabled */
-                if (!arg_no_reload)
-                        r = daemon_reload(bus, args);
-                else
-                        r = 0;
-        }
-
-        unit_file_changes_free(changes, n_changes);
-
-        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_highlight_off();
-
-                        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_highlight_off();
-                } 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_highlight_off();
-
-                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(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ 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;
-        uint32_t id;
-        int r;
-        bool skipped = false;
-
-        r = sd_bus_call_method(
-                        bus,
-                        "org.freedesktop.systemd1",
-                        "/org/freedesktop/systemd1",
-                        "org.freedesktop.systemd1.Manager",
-                        "ListJobs",
-                        &error,
-                        &reply,
-                        NULL);
-        if (r < 0) {
-                log_error("Failed to list jobs: %s", bus_error_message(&error, r));
-                return 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_first(args))) {
-                        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 r;
-}
-
-static int cancel_job(sd_bus *bus, char **args) {
-        char **name;
-        int r = 0;
-
-        assert(args);
-
-        if (strv_length(args) <= 1)
-                return daemon_reload(bus, args);
-
-        polkit_agent_open_if_enabled();
-
-        STRV_FOREACH(name, args+1) {
-                _cleanup_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("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_bus_message_unref_ 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_highlight_off(),
-                    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,
-                bool avoid_bus_cache,
-                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 (!avoid_bus_cache && !unit_name_is_template(unit_name)) {
-                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-                _cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL;
-                _cleanup_free_ char *unit = NULL;
-                char *unit_load_error_name, *unit_load_error_message;
-
-                unit = unit_dbus_path_from_name(unit_name);
-                if (!unit)
-                        return log_oom();
-
-                if (need_daemon_reload(bus, unit_name) > 0)
-                        warn_unit_file_changed(unit_name);
-
-                r = sd_bus_get_property(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                unit,
-                                "org.freedesktop.systemd1.Unit",
-                                "LoadError",
-                                &error,
-                                &unit_load_error,
-                                "(ss)");
-                if (r < 0)
-                        return log_error_errno(r, "Failed to get LoadError: %s", bus_error_message(&error, r));
-
-                r = sd_bus_message_read(
-                                unit_load_error,
-                                "(ss)",
-                                &unit_load_error_name,
-                                &unit_load_error_message);
-                if (r < 0)
-                        return bus_log_parse_error(r);
-
-                if (!isempty(unit_load_error_name)) {
-                        log_error("Unit %s is not loaded: %s", unit_name, unit_load_error_message);
-                        return 0;
-                }
-
-                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 -ENOMEM;
-
-                r = set_put(names, unit_name);
-                if (r < 0)
-                        return r;
-
-                r = unit_file_find_path(lp, unit_name, &path);
-                if (r < 0)
-                        return r;
-
-                if (r == 0) {
-                        _cleanup_free_ char *template;
-
-                        template = unit_name_template(unit_name);
-                        if (!template)
-                                return log_oom();
-
-                        if (!streq(template, unit_name)) {
-                                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_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_free_ char *n = NULL, *state = NULL;
-        const char *path;
-        int r;
-
-        assert(name);
-
-        n = unit_name_mangle(name, MANGLE_NOGLOB);
-        if (!n)
-                return log_oom();
-
-        /* 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", n);
-        if (r < 0) {
-                if (!quiet)
-                        puts("unknown");
-                return 0;
-        }
-
-        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",
-                        NULL,
-                        &state);
-        if (r < 0) {
-                if (!quiet)
-                        puts("unknown");
-                return 0;
-        }
-
-        if (!quiet)
-                puts(state);
-
-        return nulstr_contains(good_states, state);
-}
-
-static int check_triggering_units(
-                sd_bus *bus,
-                const char *name) {
-
-        _cleanup_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;
-
-        n = unit_name_mangle(name, MANGLE_NOGLOB);
-        if (!n)
-                return log_oom();
-
-        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) {
-                log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r));
-                return 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) {
-                log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
-                return 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" },
-        { "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_bus_message_unref_ 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));
-                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 = 0, i;
-
-        STRV_FOREACH(name, names) {
-                char *t;
-
-                if (suffix)
-                        t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix);
-                else
-                        t = unit_name_mangle(*name, MANGLE_GLOB);
-                if (!t)
-                        return log_oom();
-
-                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_bus_message_unref_ sd_bus_message *reply = NULL;
-                _cleanup_free_ UnitInfo *unit_infos = NULL;
-
-                if (!bus)
-                        return log_error_errno(EOPNOTSUPP, "Unit name globbing without bus is not implemented.");
-
-                r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
-                if (r < 0)
-                        return r;
-
-                for (i = 0; i < r; i++)
-                        if (strv_extend(&mangled, unit_infos[i].id) < 0)
-                                return log_oom();
-        }
-
-        *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(sd_bus *bus, char **args) {
-        _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
-        const char *method, *mode, *one_name, *suffix = NULL;
-        _cleanup_strv_free_ char **names = NULL;
-        char **name;
-        int r = 0;
-
-        assert(bus);
-
-        ask_password_agent_open_if_enabled();
-        polkit_agent_open_if_enabled();
-
-        if (arg_action == ACTION_SYSTEMCTL) {
-                enum action action;
-                method = verb_to_method(args[0]);
-                action = verb_to_action(args[0]);
-
-                if (streq(args[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, args + 1, suffix, &names);
-                if (r < 0)
-                        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_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);
-                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;
-}
-
-/* Ask systemd-logind, which might grant access to unprivileged users
- * through PolicyKit */
-static int reboot_with_logind(sd_bus *bus, enum action a) {
-#ifdef HAVE_LOGIND
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        const char *method;
-        int r;
-
-        if (!bus)
-                return -EIO;
-
-        polkit_agent_open_if_enabled();
-
-        switch (a) {
-
-        case ACTION_REBOOT:
-                method = "Reboot";
-                break;
-
-        case ACTION_POWEROFF:
-                method = "PowerOff";
-                break;
-
-        case ACTION_SUSPEND:
-                method = "Suspend";
-                break;
-
-        case ACTION_HIBERNATE:
-                method = "Hibernate";
-                break;
-
-        case ACTION_HYBRID_SLEEP:
-                method = "HybridSleep";
-                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)
-                log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
-        return r;
-#else
-        return -ENOSYS;
-#endif
-}
-
-static int check_inhibitors(sd_bus *bus, enum action a) {
-#ifdef HAVE_LOGIND
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_strv_free_ char **sessions = NULL;
-        const char *what, *who, *why, *mode;
-        uint32_t uid, pid;
-        unsigned c = 0;
-        char **s;
-        int r;
-
-        if (!bus)
-                return 0;
-
-        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 = 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,
-                                  a == ACTION_HALT ||
-                                  a == ACTION_POWEROFF ||
-                                  a == ACTION_REBOOT ||
-                                  a == 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 start_special(sd_bus *bus, char **args) {
-        enum action a;
-        int r;
-
-        assert(args);
-
-        a = verb_to_action(args[0]);
-
-        r = check_inhibitors(bus, a);
-        if (r < 0)
-                return r;
-
-        if (arg_force >= 2 && geteuid() != 0) {
-                log_error("Must be root.");
-                return -EPERM;
-        }
-
-        if (a == ACTION_REBOOT && args[1]) {
-                r = update_reboot_param_file(args[1]);
-                if (r < 0)
-                        return r;
-        }
-
-        if (arg_force >= 2 &&
-            (a == ACTION_HALT ||
-             a == ACTION_POWEROFF ||
-             a == ACTION_REBOOT))
-                return halt_now(a);
-
-        if (arg_force >= 1 &&
-            (a == ACTION_HALT ||
-             a == ACTION_POWEROFF ||
-             a == ACTION_REBOOT ||
-             a == ACTION_KEXEC ||
-             a == ACTION_EXIT))
-                return daemon_reload(bus, args);
-
-        /* first try logind, to allow authentication with polkit */
-        if (geteuid() != 0 &&
-            (a == ACTION_POWEROFF ||
-             a == ACTION_REBOOT ||
-             a == ACTION_SUSPEND ||
-             a == ACTION_HIBERNATE ||
-             a == ACTION_HYBRID_SLEEP)) {
-                r = reboot_with_logind(bus, a);
-                if (r >= 0 || IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
-                        return r;
-        }
-
-        r = start_unit(bus, args);
-        if (r == EXIT_SUCCESS)
-                warn_wall(a);
-
-        return r;
-}
-
-static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        char **name;
-        int r;
-
-        assert(bus);
-        assert(args);
-
-        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)
-                        r = code;
-        }
-
-        return r;
-}
-
-static int check_unit_active(sd_bus *bus, char **args) {
-        /* According to LSB: 3, "program is not running" */
-        return check_unit_generic(bus, 3, "active\0reloading\0", args + 1);
-}
-
-static int check_unit_failed(sd_bus *bus, char **args) {
-        return check_unit_generic(bus, 1, "failed\0", args + 1);
-}
-
-static int kill_unit(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        char **name;
-        int r, q;
-
-        assert(bus);
-        assert(args);
-
-        polkit_agent_open_if_enabled();
-
-        if (!arg_kill_who)
-                arg_kill_who = "all";
-
-        r = expand_names(bus, args + 1, NULL, &names);
-        if (r < 0)
-                log_error_errno(r, "Failed to expand names: %m");
-
-        STRV_FOREACH(name, names) {
-                _cleanup_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, arg_kill_who, arg_signal);
-                if (q < 0) {
-                        log_error("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;
-
-        /* 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;
-
-        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_highlight_off();
-        } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
-                active_on = ansi_highlight_green();
-                active_off = ansi_highlight_off();
-        } 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_highlight_off();
-        } else
-                on = off = "";
-
-        path = i->source_path ? i->source_path : i->fragment_path;
-
-        if (i->load_error)
-                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 (!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: ");
-
-                                free(dir);
-                                dir = NULL;
-
-                                if (path_get_parent(*dropin, &dir) < 0) {
-                                        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_highlight_off(),
-                       s2, s1 ? "; " : "", s1 ? 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_highlight_off(),
-                       s2, s1 ? "; " : "", s1 ? 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_highlight_off();
-                } 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->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 ||
-             ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) {
-                unsigned c;
-
-                printf("   CGroup: %s\n", i->control_group);
-
-                if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == 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;
-
-                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, "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)
-                                        log_oom();
-
-                                LIST_PREPEND(exec, i->exec, info);
-
-                                info = new0(ExecStatusInfo, 1);
-                                if (!info)
-                                        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_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_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,
-        };
-        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) {
-                log_error("Failed to get properties: %s", bus_error_message(&error, r));
-                return 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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ 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) {
-                log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
-                return 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_bus_message_unref_ 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;
-        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_highlight_off();
-        } else if (!streq_ptr(mi.state, "running")) {
-                on = ansi_highlight_yellow();
-                off = ansi_highlight_off();
-        } 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 (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == 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());
-        }
-
-        free(mi.state);
-        free(mi.control_group);
-
-        return 0;
-}
-
-static int show(sd_bus *bus, char **args) {
-        bool show_properties, show_status, new_line = false;
-        bool ellipsized = false;
-        int r, ret = 0;
-
-        assert(bus);
-        assert(args);
-
-        show_properties = streq(args[0], "show");
-        show_status = streq(args[0], "status");
-
-        if (show_properties)
-                pager_open_if_enabled();
-
-        /* If no argument is specified inspect the manager itself */
-
-        if (show_properties && strv_length(args) <= 1)
-                return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized);
-
-        if (show_status && strv_length(args) <= 1) {
-
-                pager_open_if_enabled();
-                show_system_status(bus);
-                new_line = true;
-
-                if (arg_all)
-                        ret = show_all(args[0], bus, false, &new_line, &ellipsized);
-        } else {
-                _cleanup_free_ char **patterns = NULL;
-                char **name;
-
-                STRV_FOREACH(name, args + 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(args[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)
-                                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(args[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_highlight_off());
-        fflush(stdout);
-
-        return copy_bytes(fd, STDOUT_FILENO, (off_t) -1, false);
-}
-
-static int cat(sd_bus *bus, char **args) {
-        _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;
-        bool first = true, avoid_bus_cache;
-        int r;
-
-        assert(args);
-
-        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 = expand_names(bus, args + 1, NULL, &names);
-        if (r < 0)
-                return log_error_errno(r, "Failed to expand names: %m");
-
-        avoid_bus_cache = !bus || avoid_bus();
-
-        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, avoid_bus_cache, &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(sd_bus *bus, char **args) {
-        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_free_ char *n = NULL;
-        char **i;
-        int r;
-
-        polkit_agent_open_if_enabled();
-
-        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);
-
-        n = unit_name_mangle(args[1], MANGLE_NOGLOB);
-        if (!n)
-                return log_oom();
-
-        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, args + 2) {
-                r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
-                if (r < 0)
-                        return bus_log_create_error(r);
-
-                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_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) {
-                log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
-                return r;
-        }
-
-        return 0;
-}
-
-static int snapshot(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_free_ char *n = NULL, *id = NULL;
-        const char *path;
-        int r;
-
-        polkit_agent_open_if_enabled();
-
-        if (strv_length(args) > 1)
-                n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot");
-        else
-                n = strdup("");
-        if (!n)
-                return log_oom();
-
-        r = sd_bus_call_method(
-                        bus,
-                        "org.freedesktop.systemd1",
-                        "/org/freedesktop/systemd1",
-                        "org.freedesktop.systemd1.Manager",
-                        "CreateSnapshot",
-                        &error,
-                        &reply,
-                        "sb", n, false);
-        if (r < 0) {
-                log_error("Failed to create snapshot: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        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",
-                        "Id",
-                        &error,
-                        &id);
-        if (r < 0) {
-                log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        if (!arg_quiet)
-                puts(id);
-
-        return 0;
-}
-
-static int delete_snapshot(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        char **name;
-        int r;
-
-        assert(args);
-
-        polkit_agent_open_if_enabled();
-
-        r = expand_names(bus, args + 1, ".snapshot", &names);
-        if (r < 0)
-                log_error_errno(r, "Failed to expand names: %m");
-
-        STRV_FOREACH(name, names) {
-                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-                int q;
-
-                q = sd_bus_call_method(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                "/org/freedesktop/systemd1",
-                                "org.freedesktop.systemd1.Manager",
-                                "RemoveSnapshot",
-                                &error,
-                                NULL,
-                                "s", *name);
-                if (q < 0) {
-                        log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q));
-                        if (r == 0)
-                                r = q;
-                }
-        }
-
-        return r;
-}
-
-static int daemon_reload(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        const char *method;
-        int r;
-
-        polkit_agent_open_if_enabled();
-
-        if (arg_action == ACTION_RELOAD)
-                method = "Reload";
-        else if (arg_action == ACTION_REEXEC)
-                method = "Reexecute";
-        else {
-                assert(arg_action == ACTION_SYSTEMCTL);
-
-                method =
-                        streq(args[0], "clear-jobs")    ||
-                        streq(args[0], "cancel")        ? "ClearJobs" :
-                        streq(args[0], "daemon-reexec") ? "Reexecute" :
-                        streq(args[0], "reset-failed")  ? "ResetFailed" :
-                        streq(args[0], "halt")          ? "Halt" :
-                        streq(args[0], "poweroff")      ? "PowerOff" :
-                        streq(args[0], "reboot")        ? "Reboot" :
-                        streq(args[0], "kexec")         ? "KExec" :
-                        streq(args[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)
-                log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-
-        return r < 0 ? r : 0;
-}
-
-static int reset_failed(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        char **name;
-        int r, q;
-
-        if (strv_length(args) <= 1)
-                return daemon_reload(bus, args);
-
-        polkit_agent_open_if_enabled();
-
-        r = expand_names(bus, args + 1, NULL, &names);
-        if (r < 0)
-                log_error_errno(r, "Failed to expand names: %m");
-
-        STRV_FOREACH(name, names) {
-                _cleanup_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("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(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        const char *text;
-        int r;
-
-        pager_open_if_enabled();
-
-        r = sd_bus_get_property(
-                        bus,
-                        "org.freedesktop.systemd1",
-                        "/org/freedesktop/systemd1",
-                        "org.freedesktop.systemd1.Manager",
-                        "Environment",
-                        &error,
-                        &reply,
-                        "as");
-        if (r < 0) {
-                log_error("Failed to get environment: %s", bus_error_message(&error, r));
-                return 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(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_free_ char *cmdline_init = NULL;
-        const char *root, *init;
-        unsigned l;
-        int r;
-
-        l = strv_length(args);
-        if (l < 2 || l > 3) {
-                log_error("Wrong number of arguments.");
-                return -EINVAL;
-        }
-
-        root = args[1];
-
-        if (l >= 3)
-                init = args[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;
-        }
-
-        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) {
-                log_error("Failed to switch root: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        return 0;
-}
-
-static int set_environment(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
-        const char *method;
-        int r;
-
-        assert(bus);
-        assert(args);
-
-        polkit_agent_open_if_enabled();
-
-        method = streq(args[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, args + 1);
-        if (r < 0)
-                return bus_log_create_error(r);
-
-        r = sd_bus_call(bus, m, 0, &error, NULL);
-        if (r < 0) {
-                log_error("Failed to set environment: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        return 0;
-}
-
-static int import_environment(sd_bus *bus, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
-        int r;
-
-        assert(bus);
-        assert(args);
-
-        polkit_agent_open_if_enabled();
-
-        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 (strv_isempty(args + 1))
-                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, args + 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) {
-                log_error("Failed to import environment: %s", bus_error_message(&error, r));
-                return r;
-        }
-
-        return 0;
-}
-
-static int enable_sysv_units(const char *verb, char **args) {
-        int r = 0;
-
-        return r;
-}
-
-static int mangle_names(char **original_names, char ***mangled_names) {
-        char **i, **l, **name;
-
-        l = new(char*, strv_length(original_names) + 1);
-        if (!l)
-                return log_oom();
-
-        i = l;
-        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);
-                else
-                        *i = unit_name_mangle(*name, MANGLE_NOGLOB);
-
-                if (!*i) {
-                        strv_free(l);
-                        return log_oom();
-                }
-
-                i++;
-        }
-
-        *i = NULL;
-        *mangled_names = l;
-
-        return 0;
-}
-
-static int enable_unit(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        const char *verb = args[0];
-        UnitFileChange *changes = NULL;
-        unsigned n_changes = 0;
-        int carries_install_info = -1;
-        int r;
-
-        if (!args[1])
-                return 0;
-
-        r = mangle_names(args+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 (!bus || avoid_bus()) {
-                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 < 0) {
-                        log_error_errno(r, "Operation failed: %m");
-                        goto finish;
-                }
-
-                if (!arg_quiet)
-                        dump_unit_file_changes(changes, n_changes);
-
-                r = 0;
-        } else {
-                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
-                _cleanup_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;
-
-                polkit_agent_open_if_enabled();
-
-                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) {
-                        log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-                        return 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);
-                if (r < 0)
-                        return r;
-
-                /* Try to reload if enabled */
-                if (!arg_no_reload)
-                        r = daemon_reload(bus, args);
-                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");
-
-finish:
-        unit_file_changes_free(changes, n_changes);
-
-        return r;
-}
-
-static int add_dependency(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        _cleanup_free_ char *target = NULL;
-        const char *verb = args[0];
-        UnitDependency dep;
-        int r = 0;
-
-        if (!args[1])
-                return 0;
-
-        target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target");
-        if (!target)
-                return log_oom();
-
-        r = mangle_names(args+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 (!bus || avoid_bus()) {
-                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 < 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_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
-                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
-                polkit_agent_open_if_enabled();
-
-                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) {
-                        log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-                        return r;
-                }
-
-                r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
-                if (r < 0)
-                        return r;
-
-                if (!arg_no_reload)
-                        r = daemon_reload(bus, args);
-                else
-                        r = 0;
-        }
-
-        return r;
-}
-
-static int preset_all(sd_bus *bus, char **args) {
-        UnitFileChange *changes = NULL;
-        unsigned n_changes = 0;
-        int r;
-
-        if (!bus || avoid_bus()) {
-
-                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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-
-                polkit_agent_open_if_enabled();
-
-                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) {
-                        log_error("Failed to execute operation: %s", bus_error_message(&error, r));
-                        return r;
-                }
-
-                r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
-                if (r < 0)
-                        return r;
-
-                if (!arg_no_reload)
-                        r = daemon_reload(bus, args);
-                else
-                        r = 0;
-        }
-
-finish:
-        unit_file_changes_free(changes, n_changes);
-
-        return r;
-}
-
-static int unit_is_enabled(sd_bus *bus, char **args) {
-
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_strv_free_ char **names = NULL;
-        bool enabled;
-        char **name;
-        int r;
-
-        r = mangle_names(args+1, &names);
-        if (r < 0)
-                return r;
-
-        r = enable_sysv_units(args[0], names);
-        if (r < 0)
-                return r;
-
-        enabled = r > 0;
-
-        if (!bus || avoid_bus()) {
-
-                STRV_FOREACH(name, names) {
-                        UnitFileState state;
-
-                        state = unit_file_get_state(arg_scope, arg_root, *name);
-                        if (state < 0)
-                                return log_error_errno(state, "Failed to get unit file state for %s: %m", *name);
-
-                        if (state == UNIT_FILE_ENABLED ||
-                            state == UNIT_FILE_ENABLED_RUNTIME ||
-                            state == UNIT_FILE_STATIC ||
-                            state == UNIT_FILE_INDIRECT)
-                                enabled = true;
-
-                        if (!arg_quiet)
-                                puts(unit_file_state_to_string(state));
-                }
-
-        } else {
-                STRV_FOREACH(name, names) {
-                        _cleanup_bus_message_unref_ 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) {
-                                log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
-                                return 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(sd_bus *bus, char **args) {
-        _cleanup_free_ char *state = NULL;
-        int 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) {
-        char *t;
-        int r;
-
-        assert(new_path);
-        assert(original_path);
-        assert(ret_tmp_fn);
-
-        r = tempfn_random(new_path, &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) {
-                log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
-                free(t);
-                return r;
-        }
-
-        r = copy_file(original_path, t, 0, 0644, 0);
-        if (r == -ENOENT) {
-                r = touch(t);
-                if (r < 0) {
-                        log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
-                        free(t);
-                        return r;
-                }
-        } else if (r < 0) {
-                log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t);
-                free(t);
-                return r;
-        }
-
-        *ret_tmp_fn = t;
-
-        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;
-
-        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)
-                        return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
-                                               run, path);
-                if (path2 && access(path2, F_OK) >= 0)
-                        return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.",
-                                               run, path2);
-                *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, *ending;
-        char *tmp_tmp_path;
-        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;
-        char *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) {
-                log_error_errno(errno, "Failed to fork: %m");
-                return -errno;
-        }
-
-        if (pid == 0) {
-                const char **args;
-                char *editor;
-                char **tmp_path, **original_path, *p;
-                unsigned i = 1;
-                size_t argc;
-
-                argc = strv_length(paths)/2 + 1;
-                args = newa(const char*, argc + 1);
-
-                args[0] = NULL;
-                STRV_FOREACH_PAIR(original_path, tmp_path, paths) {
-                        args[i] = *tmp_path;
-                        i++;
-                }
-                args[argc] = NULL;
-
-                /* 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)) {
-                        args[0] = editor;
-                        execvp(editor, (char* const*) args);
-                }
-
-                FOREACH_STRING(p, "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("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 r;
-}
-
-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 = {};
-        bool avoid_bus_cache;
-        char **name;
-        int r;
-
-        assert(names);
-        assert(paths);
-
-        r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp);
-        if (r < 0)
-                return r;
-
-        avoid_bus_cache = !bus || avoid_bus();
-
-        STRV_FOREACH(name, names) {
-                _cleanup_free_ char *path = NULL;
-                char *new_path, *tmp_path;
-
-                r = unit_find_paths(bus, *name, avoid_bus_cache, &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(sd_bus *bus, char **args) {
-        _cleanup_strv_free_ char **names = NULL;
-        _cleanup_strv_free_ char **paths = NULL;
-        char **original, **tmp;
-        int r;
-
-        assert(args);
-
-        if (!on_tty()) {
-                log_error("Cannot edit units if not on a tty");
-                return -EINVAL;
-        }
-
-        if (arg_transport != BUS_TRANSPORT_LOCAL) {
-                log_error("Cannot remotely edit units");
-                return -EINVAL;
-        }
-
-        r = expand_names(bus, args + 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;
-                }
-        }
-
-        if (!arg_no_reload && bus && !avoid_bus())
-                r = daemon_reload(bus, args);
-
-end:
-        STRV_FOREACH_PAIR(original, tmp, paths)
-                unlink_noerrno(*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"
-               "  -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"
-               "     --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"
-               "  reload-or-try-restart NAME...   Reload one or more units if possible,\n"
-               "                                  otherwise restart if active\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"
-               "Snapshot Commands:\n"
-               "  snapshot [NAME]                 Create a snapshot\n"
-               "  delete NAME...                  Remove one or more snapshots\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                            Request user instance 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;
-        const char *t;
-
-        if (!arg_no_legend)
-                puts("Available unit types:");
-        for (i = 0; i < _UNIT_TYPE_MAX; i++) {
-                t = unit_type_to_string(i);
-                if (t)
-                        puts(t);
-        }
-}
-
-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,
-        };
-
-        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         },
-                {}
-        };
-
-        int c;
-
-        assert(argc >= 0);
-        assert(argv);
-
-        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:
-                        puts(PACKAGE_STRING);
-                        puts(SYSTEMD_FEATURES);
-                        return 0;
-
-                case 't': {
-                        const char *word, *state;
-                        size_t size;
-
-                        FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
-                                _cleanup_free_ char *type;
-
-                                type = strndup(word, size);
-                                if (!type)
-                                        return -ENOMEM;
-
-                                if (streq(type, "help")) {
-                                        help_types();
-                                        return 0;
-                                }
-
-                                if (unit_type_from_string(type) >= 0) {
-                                        if (strv_push(&arg_types, type))
-                                                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(optarg) >= 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 {
-                                const char *word, *state;
-                                size_t size;
-
-                                FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
-                                        char *prop;
-
-                                        prop = strndup(word, size);
-                                        if (!prop)
-                                                return log_oom();
-
-                                        if (strv_consume(&arg_properties, prop) < 0)
-                                                return log_oom();
-                                }
-                        }
-
-                        /* 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:
-                        arg_root = optarg;
-                        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':
-                        if ((arg_signal = signal_from_string_try_harder(optarg)) < 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_STATE: {
-                        const char *word, *state;
-                        size_t size;
-
-                        FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
-                                char *s;
-
-                                s = strndup(word, size);
-                                if (!s)
-                                        return log_oom();
-
-                                if (strv_consume(&arg_states, s) < 0)
-                                        return log_oom();
-                        }
-                        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 '?':
-                        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_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 },
-                {}
-        };
-
-        int c, r;
-
-        assert(argc >= 0);
-        assert(argv);
-
-        while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", 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_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 */
-                arg_wall = argv + optind;
-        else if (argc > optind + 1)
-                /* We skip the time argument */
-                arg_wall = argv + optind + 1;
-
-        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) {
-
-        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;
-
-                log_error_errno(errno, "Failed to open "INIT_FIFO": %m");
-                return -errno;
-        }
-
-        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;
-}
-
-static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
-
-        static const struct {
-                const char* verb;
-                const enum {
-                        MORE,
-                        LESS,
-                        EQUAL
-                } argc_cmp;
-                const int argc;
-                int (* const dispatch)(sd_bus *bus, char **args);
-                const enum {
-                        NOBUS = 1,
-                        FORCE,
-                } bus;
-        } verbs[] = {
-                { "list-units",            MORE,  0, list_units        },
-                { "list-unit-files",       MORE,  1, list_unit_files,  NOBUS },
-                { "list-sockets",          MORE,  1, list_sockets      },
-                { "list-timers",           MORE,  1, list_timers       },
-                { "list-jobs",             MORE,  1, list_jobs         },
-                { "list-machines",         MORE,  1, list_machines     },
-                { "clear-jobs",            EQUAL, 1, daemon_reload     },
-                { "cancel",                MORE,  2, cancel_job        },
-                { "start",                 MORE,  2, start_unit        },
-                { "stop",                  MORE,  2, start_unit        },
-                { "condstop",              MORE,  2, start_unit        }, /* For compatibility with ALTLinux */
-                { "reload",                MORE,  2, start_unit        },
-                { "restart",               MORE,  2, start_unit        },
-                { "try-restart",           MORE,  2, start_unit        },
-                { "reload-or-restart",     MORE,  2, start_unit        },
-                { "reload-or-try-restart", MORE,  2, start_unit        },
-                { "force-reload",          MORE,  2, start_unit        }, /* For compatibility with SysV */
-                { "condreload",            MORE,  2, start_unit        }, /* For compatibility with ALTLinux */
-                { "condrestart",           MORE,  2, start_unit        }, /* For compatibility with RH */
-                { "isolate",               EQUAL, 2, start_unit        },
-                { "kill",                  MORE,  2, kill_unit         },
-                { "is-active",             MORE,  2, check_unit_active },
-                { "check",                 MORE,  2, check_unit_active },
-                { "is-failed",             MORE,  2, check_unit_failed },
-                { "show",                  MORE,  1, show              },
-                { "cat",                   MORE,  2, cat,              NOBUS },
-                { "status",                MORE,  1, show              },
-                { "help",                  MORE,  2, show              },
-                { "snapshot",              LESS,  2, snapshot          },
-                { "delete",                MORE,  2, delete_snapshot   },
-                { "daemon-reload",         EQUAL, 1, daemon_reload     },
-                { "daemon-reexec",         EQUAL, 1, daemon_reload     },
-                { "show-environment",      EQUAL, 1, show_environment  },
-                { "set-environment",       MORE,  2, set_environment   },
-                { "unset-environment",     MORE,  2, set_environment   },
-                { "import-environment",    MORE,  1, import_environment},
-                { "halt",                  EQUAL, 1, start_special,    FORCE },
-                { "poweroff",              EQUAL, 1, start_special,    FORCE },
-                { "reboot",                MORE,  1, start_special,    FORCE },
-                { "kexec",                 EQUAL, 1, start_special     },
-                { "suspend",               EQUAL, 1, start_special     },
-                { "hibernate",             EQUAL, 1, start_special     },
-                { "hybrid-sleep",          EQUAL, 1, start_special     },
-                { "default",               EQUAL, 1, start_special     },
-                { "rescue",                EQUAL, 1, start_special     },
-                { "emergency",             EQUAL, 1, start_special     },
-                { "exit",                  EQUAL, 1, start_special     },
-                { "reset-failed",          MORE,  1, reset_failed      },
-                { "enable",                MORE,  2, enable_unit,      NOBUS },
-                { "disable",               MORE,  2, enable_unit,      NOBUS },
-                { "is-enabled",            MORE,  2, unit_is_enabled,  NOBUS },
-                { "reenable",              MORE,  2, enable_unit,      NOBUS },
-                { "preset",                MORE,  2, enable_unit,      NOBUS },
-                { "preset-all",            EQUAL, 1, preset_all,       NOBUS },
-                { "mask",                  MORE,  2, enable_unit,      NOBUS },
-                { "unmask",                MORE,  2, enable_unit,      NOBUS },
-                { "link",                  MORE,  2, enable_unit,      NOBUS },
-                { "switch-root",           MORE,  2, switch_root       },
-                { "list-dependencies",     LESS,  2, list_dependencies },
-                { "set-default",           EQUAL, 2, set_default,      NOBUS },
-                { "get-default",           EQUAL, 1, get_default,      NOBUS },
-                { "set-property",          MORE,  3, set_property      },
-                { "is-system-running",     EQUAL, 1, is_system_running },
-                { "add-wants",             MORE,  3, add_dependency,   NOBUS },
-                { "add-requires",          MORE,  3, add_dependency,   NOBUS },
-                { "edit",                  MORE,  2, edit,             NOBUS },
-                {}
-        }, *verb = verbs;
-
-        int left;
-
-        assert(argc >= 0);
-        assert(argv);
-
-        left = argc - optind;
-
-        /* Special rule: no arguments (left == 0) means "list-units" */
-        if (left > 0) {
-                if (streq(argv[optind], "help") && !argv[optind+1]) {
-                        log_error("This command expects one or more "
-                                  "unit names. Did you mean --help?");
-                        return -EINVAL;
-                }
-
-                for (; verb->verb; verb++)
-                        if (streq(argv[optind], verb->verb))
-                                goto found;
-
-                log_error("Unknown operation '%s'.", argv[optind]);
-                return -EINVAL;
-        }
-found:
-
-        switch (verb->argc_cmp) {
-
-        case EQUAL:
-                if (left != verb->argc) {
-                        log_error("Invalid number of arguments.");
-                        return -EINVAL;
-                }
-
-                break;
-
-        case MORE:
-                if (left < verb->argc) {
-                        log_error("Too few arguments.");
-                        return -EINVAL;
-                }
-
-                break;
-
-        case LESS:
-                if (left > verb->argc) {
-                        log_error("Too many arguments.");
-                        return -EINVAL;
-                }
-
-                break;
-
-        default:
-                assert_not_reached("Unknown comparison operator.");
-        }
-
-        /* Require a bus connection for all operations but
-         * enable/disable */
-        if (verb->bus == NOBUS) {
-                if (!bus && !avoid_bus()) {
-                        log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
-                        return -EIO;
-                }
-
-        } else {
-                if (running_in_chroot() > 0) {
-                        log_info("Running in chroot, ignoring request.");
-                        return 0;
-                }
-
-                if ((verb->bus != FORCE || arg_force <= 0) && !bus) {
-                        log_error_errno(bus_error, "Failed to get D-Bus connection: %m");
-                        return -EIO;
-                }
-        }
-
-        /* 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));
-
-        return verb->dispatch(bus, argv + optind);
-}
-
-static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
-
-        struct sd_shutdown_command c = {
-                .usec = t,
-                .mode = mode,
-                .dry_run = dry_run,
-                .warn_wall = warn,
-        };
-
-        union sockaddr_union sockaddr = {
-                .un.sun_family = AF_UNIX,
-                .un.sun_path = "/run/systemd/shutdownd",
-        };
-
-        struct iovec iovec[2] = {{
-                 .iov_base = (char*) &c,
-                 .iov_len = offsetof(struct sd_shutdown_command, wall_message),
-        }};
-
-        struct msghdr msghdr = {
-                .msg_name = &sockaddr,
-                .msg_namelen = offsetof(struct sockaddr_un, sun_path)
-                               + strlen("/run/systemd/shutdownd"),
-                .msg_iov = iovec,
-                .msg_iovlen = 1,
-        };
-
-        _cleanup_close_ int fd;
-
-        fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
-        if (fd < 0)
-                return -errno;
-
-        if (!isempty(message)) {
-                iovec[1].iov_base = (char*) message;
-                iovec[1].iov_len = strlen(message);
-                msghdr.msg_iovlen++;
-        }
-
-        if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0)
-                return -errno;
-
-        return 0;
-}
-
-static int reload_with_fallback(sd_bus *bus) {
-
-        if (bus) {
-                /* First, try systemd via D-Bus. */
-                if (daemon_reload(bus, 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(sd_bus *bus) {
-
-        if (bus) {
-                /* First, try systemd via D-Bus. */
-                if (start_unit(bus, NULL) >= 0)
-                        goto done;
-        }
-
-        /* Nothing else worked, so let's try
-         * /dev/initctl */
-        if (talk_initctl() > 0)
-                goto done;
-
-        log_error("Failed to talk to init daemon.");
-        return -EIO;
-
-done:
-        warn_wall(arg_action);
-        return 0;
-}
-
-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. */
-        sync();
-
-        /* Make sure C-A-D is handled by the kernel from this point
-         * on... */
-        reboot(RB_ENABLE_CAD);
-
-        switch (a) {
-
-        case ACTION_HALT:
-                log_info("Halting.");
-                reboot(RB_HALT_SYSTEM);
-                return -errno;
-
-        case ACTION_POWEROFF:
-                log_info("Powering off.");
-                reboot(RB_POWER_OFF);
-                return -errno;
-
-        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);
-                        syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
-                                LINUX_REBOOT_CMD_RESTART2, param);
-                }
-
-                log_info("Rebooting.");
-                reboot(RB_AUTOBOOT);
-                return -errno;
-        }
-
-        default:
-                assert_not_reached("Unknown action.");
-        }
-}
-
-static int halt_main(sd_bus *bus) {
-        int r;
-
-        r = check_inhibitors(bus, arg_action);
-        if (r < 0)
-                return r;
-
-        if (geteuid() != 0) {
-                /* Try logind if we are a normal user and no special
-                 * mode applies. Maybe PolicyKit allows us to shutdown
-                 * the machine. */
-
-                if (arg_when <= 0 &&
-                    !arg_dry &&
-                    arg_force <= 0 &&
-                    (arg_action == ACTION_POWEROFF ||
-                     arg_action == ACTION_REBOOT)) {
-                        r = reboot_with_logind(bus, arg_action);
-                        if (r >= 0)
-                                return r;
-                }
-
-                log_error("Must be root.");
-                return -EPERM;
-        }
-
-        if (arg_when > 0) {
-                _cleanup_free_ char *m;
-
-                m = strv_join(arg_wall, " ");
-                if (!m)
-                        return log_oom();
-
-                r = send_shutdownd(arg_when,
-                                   arg_action == ACTION_HALT     ? 'H' :
-                                   arg_action == ACTION_POWEROFF ? 'P' :
-                                   arg_action == ACTION_KEXEC    ? 'K' :
-                                                                   'r',
-                                   arg_dry,
-                                   !arg_no_wall,
-                                   m);
-
-                if (r < 0)
-                        log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m");
-                else {