move all tools to subdirs

1 files changed, 5523 insertions, 0 deletions

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
new file mode 100644
index 0000000000..28bdfa96a4
--- /dev/null
+++ b/src/systemctl/systemctl.c
@@ -0,0 +1,5523 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  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 <stdio.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <stddef.h>
+#include <sys/prctl.h>
+#include <dbus/dbus.h>
+
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-shutdown.h>
+
+#include "log.h"
+#include "util.h"
+#include "macro.h"
+#include "set.h"
+#include "utmp-wtmp.h"
+#include "special.h"
+#include "initreq.h"
+#include "strv.h"
+#include "dbus-common.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "list.h"
+#include "path-lookup.h"
+#include "conf-parser.h"
+#include "exit-status.h"
+#include "bus-errors.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"
+
+static const char *arg_type = NULL;
+static char **arg_property = NULL;
+static bool arg_all = false;
+static const char *arg_job_mode = "replace";
+static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
+static bool arg_immediate = false;
+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_sync = false;
+static bool arg_no_wall = false;
+static bool arg_no_reload = false;
+static bool arg_dry = false;
+static bool arg_quiet = false;
+static bool arg_full = false;
+static int arg_force = 0;
+static bool arg_ask_password = true;
+static bool arg_failed = false;
+static bool arg_runtime = false;
+static char **arg_wall = NULL;
+static const char *arg_kill_who = NULL;
+static const char *arg_kill_mode = 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_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 enum dot {
+        DOT_ALL,
+        DOT_ORDER,
+        DOT_REQUIRE
+} arg_dot = DOT_ALL;
+static enum transport {
+        TRANSPORT_NORMAL,
+        TRANSPORT_SSH,
+        TRANSPORT_POLKIT
+} arg_transport = TRANSPORT_NORMAL;
+static const char *arg_host = NULL;
+static bool arg_follow = false;
+static unsigned arg_lines = 10;
+static OutputMode arg_output = OUTPUT_SHORT;
+
+static bool private_bus = false;
+
+static int daemon_reload(DBusConnection *bus, char **args);
+static void halt_now(enum action a);
+
+static bool on_tty(void) {
+        static int t = -1;
+
+        /* Note that this is invoked relatively early, before we start
+         * the pager. That means the value we return reflects whether
+         * we originally were started on a tty, not if we currently
+         * are. But this is intended, since we want colour and so on
+         * when run in our own pager. */
+
+        if (_unlikely_(t < 0))
+                t = isatty(STDOUT_FILENO) > 0;
+
+        return t;
+}
+
+static void pager_open_if_enabled(void) {
+
+        /* Cache result before we open the pager */
+        on_tty();
+
+        if (arg_no_pager)
+                return;
+
+        pager_open();
+}
+
+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;
+
+        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;
+
+        polkit_agent_open();
+}
+
+static const char *ansi_highlight_red(bool b) {
+
+        if (!on_tty())
+                return "";
+
+        return b ? ANSI_HIGHLIGHT_RED_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static const char *ansi_highlight_green(bool b) {
+
+        if (!on_tty())
+                return "";
+
+        return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static bool error_is_no_service(const DBusError *error) {
+        assert(error);
+
+        if (!dbus_error_is_set(error))
+                return false;
+
+        if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER))
+                return true;
+
+        if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN))
+                return true;
+
+        return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
+}
+
+static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
+        assert(error);
+
+        if (!dbus_error_is_set(error))
+                return r;
+
+        if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
+            dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
+            dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
+            dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
+                return EXIT_NOPERMISSION;
+
+        if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
+                return EXIT_NOTINSTALLED;
+
+        if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
+            dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
+                return EXIT_NOTIMPLEMENTED;
+
+        if (dbus_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!"
+        };
+
+        if (arg_no_wall)
+                return;
+
+        if (arg_wall) {
+                char *p;
+
+                p = strv_join(arg_wall, " ");
+                if (!p) {
+                        log_error("Failed to join strings.");
+                        return;
+                }
+
+                if (*p) {
+                        utmp_wall(p, NULL);
+                        free(p);
+                        return;
+                }
+
+                free(p);
+        }
+
+        if (!table[a])
+                return;
+
+        utmp_wall(table[a], 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;
+}
+
+struct unit_info {
+        const char *id;
+        const char *description;
+        const char *load_state;
+        const char *active_state;
+        const char *sub_state;
+        const char *following;
+        const char *unit_path;
+        uint32_t job_id;
+        const char *job_type;
+        const char *job_path;
+};
+
+static int compare_unit_info(const void *a, const void *b) {
+        const char *d1, *d2;
+        const struct unit_info *u = a, *v = b;
+
+        d1 = strrchr(u->id, '.');
+        d2 = strrchr(v->id, '.');
+
+        if (d1 && d2) {
+                int r;
+
+                if ((r = strcasecmp(d1, d2)) != 0)
+                        return r;
+        }
+
+        return strcasecmp(u->id, v->id);
+}
+
+static bool output_show_unit(const struct unit_info *u) {
+        const char *dot;
+
+        if (arg_failed)
+                return streq(u->active_state, "failed");
+
+        return (!arg_type || ((dot = strrchr(u->id, '.')) &&
+                              streq(dot+1, arg_type))) &&
+                (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0);
+}
+
+static void output_units_list(const struct unit_info *unit_infos, unsigned c) {
+        unsigned id_len, max_id_len, active_len, sub_len, job_len, desc_len, n_shown = 0;
+        const struct unit_info *u;
+
+        max_id_len = sizeof("UNIT")-1;
+        active_len = sizeof("ACTIVE")-1;
+        sub_len = sizeof("SUB")-1;
+        job_len = sizeof("JOB")-1;
+        desc_len = 0;
+
+        for (u = unit_infos; u < unit_infos + c; u++) {
+                if (!output_show_unit(u))
+                        continue;
+
+                max_id_len = MAX(max_id_len, strlen(u->id));
+                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));
+        }
+
+        if (!arg_full) {
+                unsigned basic_len;
+                id_len = MIN(max_id_len, 25);
+                basic_len = 5 + id_len + 6 + active_len + sub_len + job_len;
+                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, 25);
+                        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;
+
+        if (!arg_no_legend) {
+                printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD",
+                       active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB");
+                if (!arg_full && arg_no_pager)
+                        printf("%.*s\n", desc_len, "DESCRIPTION");
+                else
+                        printf("%s\n", "DESCRIPTION");
+        }
+
+        for (u = unit_infos; u < unit_infos + c; u++) {
+                char *e;
+                const char *on_loaded, *off_loaded;
+                const char *on_active, *off_active;
+
+                if (!output_show_unit(u))
+                        continue;
+
+                n_shown++;
+
+                if (streq(u->load_state, "error")) {
+                        on_loaded = ansi_highlight_red(true);
+                        off_loaded = ansi_highlight_red(false);
+                } else
+                        on_loaded = off_loaded = "";
+
+                if (streq(u->active_state, "failed")) {
+                        on_active = ansi_highlight_red(true);
+                        off_active = ansi_highlight_red(false);
+                } else
+                        on_active = off_active = "";
+
+                e = arg_full ? NULL : ellipsize(u->id, id_len, 33);
+
+                printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ",
+                       id_len, e ? e : u->id,
+                       on_loaded, u->load_state, off_loaded,
+                       on_active, active_len, u->active_state,
+                       sub_len, u->sub_state, off_active,
+                       job_len, u->job_id ? u->job_type : "");
+                if (!arg_full && arg_no_pager)
+                        printf("%.*s\n", desc_len, u->description);
+                else
+                        printf("%s\n", u->description);
+
+                free(e);
+        }
+
+        if (!arg_no_legend) {
+                printf("\nLOAD   = 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.\n"
+                       "JOB    = Pending job for the unit.\n");
+
+                if (arg_all)
+                        printf("\n%u units listed.\n", n_shown);
+                else
+                        printf("\n%u units listed. Pass --all to see inactive units, too.\n", n_shown);
+        }
+}
+
+static int list_units(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        DBusMessageIter iter, sub, sub2;
+        unsigned c = 0, n_units = 0;
+        struct unit_info *unit_infos = NULL;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+
+        pager_open_if_enabled();
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "ListUnits"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                struct unit_info *u;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (c >= n_units) {
+                        struct unit_info *w;
+
+                        n_units = MAX(2*c, 16);
+                        w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
+
+                        if (!w) {
+                                log_error("Failed to allocate unit array.");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        unit_infos = w;
+                }
+
+                u = unit_infos+c;
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_next(&sub);
+                c++;
+        }
+
+        if (c > 0) {
+                qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
+                output_units_list(unit_infos, c);
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        free(unit_infos);
+
+        dbus_error_free(&error);
+
+        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(file_name_from_path(u->path), file_name_from_path(v->path));
+}
+
+static bool output_show_unit_file(const UnitFileList *u) {
+        const char *dot;
+
+        return !arg_type || ((dot = strrchr(u->path, '.')) && streq(dot+1, arg_type));
+}
+
+static void output_unit_file_list(const UnitFileList *units, unsigned c) {
+        unsigned max_id_len, id_cols, state_cols, n_shown = 0;
+        const UnitFileList *u;
+
+        max_id_len = sizeof("UNIT FILE")-1;
+        state_cols = sizeof("STATE")-1;
+        for (u = units; u < units + c; u++) {
+                if (!output_show_unit_file(u))
+                        continue;
+
+                max_id_len = MAX(max_id_len, strlen(file_name_from_path(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, 25);
+                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++) {
+                char *e;
+                const char *on, *off;
+                const char *id;
+
+                if (!output_show_unit_file(u))
+                        continue;
+
+                n_shown++;
+
+                if (u->state == UNIT_FILE_MASKED ||
+                    u->state == UNIT_FILE_MASKED_RUNTIME ||
+                    u->state == UNIT_FILE_DISABLED) {
+                        on  = ansi_highlight_red(true);
+                        off = ansi_highlight_red(false);
+                } else if (u->state == UNIT_FILE_ENABLED) {
+                        on  = ansi_highlight_green(true);
+                        off = ansi_highlight_green(false);
+                } else
+                        on = off = "";
+
+                id = file_name_from_path(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);
+
+                free(e);
+        }
+
+        if (!arg_no_legend)
+                printf("\n%u unit files listed.\n", n_shown);
+}
+
+static int list_unit_files(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        DBusMessageIter iter, sub, sub2;
+        unsigned c = 0, n_units = 0;
+        UnitFileList *units = NULL;
+
+        dbus_error_init(&error);
+
+        pager_open_if_enabled();
+
+        if (avoid_bus()) {
+                Hashmap *h;
+                UnitFileList *u;
+                Iterator i;
+
+                h = hashmap_new(string_hash_func, string_compare_func);
+                if (!h) {
+                        log_error("Out of memory");
+                        return -ENOMEM;
+                }
+
+                r = unit_file_get_list(arg_scope, arg_root, h);
+                if (r < 0) {
+                        unit_file_list_free(h);
+                        log_error("Failed to get unit file list: %s", strerror(-r));
+                        return r;
+                }
+
+                n_units = hashmap_size(h);
+                units = new(UnitFileList, n_units);
+                if (!units) {
+                        unit_file_list_free(h);
+                        log_error("Out of memory");
+                        return -ENOMEM;
+                }
+
+                HASHMAP_FOREACH(u, h, i) {
+                        memcpy(units + c++, u, sizeof(UnitFileList));
+                        free(u);
+                }
+
+                hashmap_free(h);
+        } else {
+                assert(bus);
+
+                m = dbus_message_new_method_call(
+                                "org.freedesktop.systemd1",
+                                "/org/freedesktop/systemd1",
+                                "org.freedesktop.systemd1.Manager",
+                                "ListUnitFiles");
+                if (!m) {
+                        log_error("Could not allocate message.");
+                        return -ENOMEM;
+                }
+
+                reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+                if (!reply) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (!dbus_message_iter_init(reply, &iter) ||
+                    dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+                    dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&iter, &sub);
+
+                while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                        UnitFileList *u;
+                        const char *state;
+
+                        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                                log_error("Failed to parse reply.");
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        if (c >= n_units) {
+                                UnitFileList *w;
+
+                                n_units = MAX(2*c, 16);
+                                w = realloc(units, sizeof(struct UnitFileList) * n_units);
+
+                                if (!w) {
+                                        log_error("Failed to allocate unit array.");
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                units = w;
+                        }
+
+                        u = units+c;
+
+                        dbus_message_iter_recurse(&sub, &sub2);
+
+                        if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->path, true) < 0 ||
+                            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, false) < 0) {
+                                log_error("Failed to parse reply.");
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        u->state = unit_file_state_from_string(state);
+
+                        dbus_message_iter_next(&sub);
+                        c++;
+                }
+        }
+
+        if (c > 0) {
+                qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
+                output_unit_file_list(units, c);
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        free(units);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
+        static const char * const colors[] = {
+                "Requires",              "[color=\"black\"]",
+                "RequiresOverridable",   "[color=\"black\"]",
+                "Requisite",             "[color=\"darkblue\"]",
+                "RequisiteOverridable",  "[color=\"darkblue\"]",
+                "Wants",                 "[color=\"darkgrey\"]",
+                "Conflicts",             "[color=\"red\"]",
+                "ConflictedBy",          "[color=\"red\"]",
+                "After",                 "[color=\"green\"]"
+        };
+
+        const char *c = NULL;
+        unsigned i;
+
+        assert(name);
+        assert(prop);
+        assert(iter);
+
+        for (i = 0; i < ELEMENTSOF(colors); i += 2)
+                if (streq(colors[i], prop)) {
+                        c = colors[i+1];
+                        break;
+                }
+
+        if (!c)
+                return 0;
+
+        if (arg_dot != DOT_ALL)
+                if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
+                        return 0;
+
+        switch (dbus_message_iter_get_arg_type(iter)) {
+
+        case DBUS_TYPE_ARRAY:
+
+                if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+
+                        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                                const char *s;
+
+                                assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+                                dbus_message_iter_get_basic(&sub, &s);
+                                printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+                }
+        }
+
+        return 0;
+}
+
+static int dot_one(DBusConnection *bus, const char *name, const char *path) {
+        DBusMessage *m = NULL, *reply = NULL;
+        const char *interface = "org.freedesktop.systemd1.Unit";
+        int r;
+        DBusError error;
+        DBusMessageIter iter, sub, sub2, sub3;
+
+        assert(bus);
+        assert(path);
+
+        dbus_error_init(&error);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "GetAll"))) {
+                log_error("Could not allocate message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *prop;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub2, &sub3);
+
+                if (dot_one_property(name, prop, &sub3)) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_next(&sub);
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int dot(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        DBusMessageIter iter, sub, sub2;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "ListUnits"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        printf("digraph systemd {\n");
+
+        dbus_message_iter_recurse(&iter, &sub);
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if ((r = dot_one(bus, id, unit_path)) < 0)
+                        goto finish;
+
+                /* printf("\t\"%s\";\n", id); */
+                dbus_message_iter_next(&sub);
+        }
+
+        printf("}\n");
+
+        log_info("   Color legend: black     = Requires\n"
+                 "                 dark blue = Requisite\n"
+                 "                 dark grey = Wants\n"
+                 "                 red       = Conflicts\n"
+                 "                 green     = After\n");
+
+        if (on_tty())
+                log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
+                           "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int list_jobs(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        DBusMessageIter iter, sub, sub2;
+        unsigned k = 0;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+
+        pager_open_if_enabled();
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "ListJobs"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (on_tty())
+                printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *name, *type, *state, *job_path, *unit_path;
+                uint32_t id;
+                char *e;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                e = arg_full ? NULL : ellipsize(name, 25, 33);
+                printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
+                free(e);
+
+                k++;
+
+                dbus_message_iter_next(&sub);
+        }
+
+        if (on_tty())
+                printf("\n%u jobs listed.\n", k);
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int load_unit(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL;
+        DBusError error;
+        int r;
+        char **name;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+        assert(args);
+
+        STRV_FOREACH(name, args+1) {
+                DBusMessage *reply;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "LoadUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, name,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int cancel_job(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        char **name;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+        assert(args);
+
+        if (strv_length(args) <= 1)
+                return daemon_reload(bus, args);
+
+        STRV_FOREACH(name, args+1) {
+                unsigned id;
+                const char *path;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "GetJob"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if ((r = safe_atou(*name, &id)) < 0) {
+                        log_error("Failed to parse job id: %s", strerror(-r));
+                        goto finish;
+                }
+
+                assert_cc(sizeof(uint32_t) == sizeof(id));
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_UINT32, &id,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (!dbus_message_get_args(reply, &error,
+                                           DBUS_TYPE_OBJECT_PATH, &path,
+                                           DBUS_TYPE_INVALID)) {
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      path,
+                                      "org.freedesktop.systemd1.Job",
+                                      "Cancel"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                dbus_message_unref(reply);
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
+        DBusMessage *m = NULL, *reply = NULL;
+        dbus_bool_t b = FALSE;
+        DBusMessageIter iter, sub;
+        const char
+                *interface = "org.freedesktop.systemd1.Unit",
+                *property = "NeedDaemonReload",
+                *path;
+
+        /* We ignore all errors here, since this is used to show a warning only */
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "GetUnit")))
+                goto finish;
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &unit,
+                                      DBUS_TYPE_INVALID))
+                goto finish;
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+                goto finish;
+
+        if (!dbus_message_get_args(reply, NULL,
+                                   DBUS_TYPE_OBJECT_PATH, &path,
+                                   DBUS_TYPE_INVALID))
+                goto finish;
+
+        dbus_message_unref(m);
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "Get")))
+                goto finish;
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_STRING, &property,
+                                      DBUS_TYPE_INVALID)) {
+                goto finish;
+        }
+
+        dbus_message_unref(reply);
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+                goto finish;
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+                goto finish;
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
+                goto finish;
+
+        dbus_message_iter_get_basic(&sub, &b);
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        return b;
+}
+
+typedef struct WaitData {
+        Set *set;
+        char *result;
+} WaitData;
+
+static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) {
+        DBusError error;
+        WaitData *d = data;
+
+        assert(connection);
+        assert(message);
+        assert(d);
+
+        dbus_error_init(&error);
+
+        log_debug("Got D-Bus request: %s.%s() on %s",
+                  dbus_message_get_interface(message),
+                  dbus_message_get_member(message),
+                  dbus_message_get_path(message));
+
+        if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
+                log_error("Warning! D-Bus connection terminated.");
+                dbus_connection_close(connection);
+
+        } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
+                uint32_t id;
+                const char *path, *result;
+                dbus_bool_t success = true;
+
+                if (dbus_message_get_args(message, &error,
+                                          DBUS_TYPE_UINT32, &id,
+                                          DBUS_TYPE_OBJECT_PATH, &path,
+                                          DBUS_TYPE_STRING, &result,
+                                          DBUS_TYPE_INVALID)) {
+                        char *p;
+
+                        if ((p = set_remove(d->set, (char*) path)))
+                                free(p);
+
+                        if (*result)
+                                d->result = strdup(result);
+
+                        goto finish;
+                }
+#ifndef LEGACY
+                dbus_error_free(&error);
+
+                if (dbus_message_get_args(message, &error,
+                                          DBUS_TYPE_UINT32, &id,
+                                          DBUS_TYPE_OBJECT_PATH, &path,
+                                          DBUS_TYPE_BOOLEAN, &success,
+                                          DBUS_TYPE_INVALID)) {
+                        char *p;
+
+                        /* Compatibility with older systemd versions <
+                         * 19 during upgrades. This should be dropped
+                         * one day */
+
+                        if ((p = set_remove(d->set, (char*) path)))
+                                free(p);
+
+                        if (!success)
+                                d->result = strdup("failed");
+
+                        goto finish;
+                }
+#endif
+
+                log_error("Failed to parse message: %s", bus_error_message(&error));
+        }
+
+finish:
+        dbus_error_free(&error);
+        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static int enable_wait_for_jobs(DBusConnection *bus) {
+        DBusError error;
+
+        assert(bus);
+
+        if (private_bus)
+                return 0;
+
+        dbus_error_init(&error);
+        dbus_bus_add_match(bus,
+                           "type='signal',"
+                           "sender='org.freedesktop.systemd1',"
+                           "interface='org.freedesktop.systemd1.Manager',"
+                           "member='JobRemoved',"
+                           "path='/org/freedesktop/systemd1'",
+                           &error);
+
+        if (dbus_error_is_set(&error)) {
+                log_error("Failed to add match: %s", bus_error_message(&error));
+                dbus_error_free(&error);
+                return -EIO;
+        }
+
+        /* This is slightly dirty, since we don't undo the match registrations. */
+        return 0;
+}
+
+static int wait_for_jobs(DBusConnection *bus, Set *s) {
+        int r;
+        WaitData d;
+
+        assert(bus);
+        assert(s);
+
+        zero(d);
+        d.set = s;
+
+        if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) {
+                log_error("Failed to add filter.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        while (!set_isempty(s) &&
+               dbus_connection_read_write_dispatch(bus, -1))
+                ;
+
+        if (!arg_quiet && d.result) {
+                if (streq(d.result, "timeout"))
+                        log_error("Job timed out.");
+                else if (streq(d.result, "canceled"))
+                        log_error("Job canceled.");
+                else if (streq(d.result, "dependency"))
+                        log_error("A dependency job failed. See system journal for details.");
+                else if (!streq(d.result, "done") && !streq(d.result, "skipped"))
+                        log_error("Job failed. See system journal and 'systemctl status' for details.");
+        }
+
+        if (streq_ptr(d.result, "timeout"))
+                r = -ETIME;
+        else if (streq_ptr(d.result, "canceled"))
+                r = -ECANCELED;
+        else if (!streq_ptr(d.result, "done") && !streq_ptr(d.result, "skipped"))
+                r = -EIO;
+        else
+                r = 0;
+
+        free(d.result);
+
+finish:
+        /* This is slightly dirty, since we don't undo the filter registration. */
+
+        return r;
+}
+
+static int start_unit_one(
+                DBusConnection *bus,
+                const char *method,
+                const char *name,
+                const char *mode,
+                DBusError *error,
+                Set *s) {
+
+        DBusMessage *m = NULL, *reply = NULL;
+        const char *path;
+        int r;
+
+        assert(bus);
+        assert(method);
+        assert(name);
+        assert(mode);
+        assert(error);
+        assert(arg_no_block || s);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              method))) {
+                log_error("Could not allocate message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &name,
+                                      DBUS_TYPE_STRING, &mode,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
+
+                if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
+                        /* There's always a fallback possible for
+                         * legacy actions. */
+                        r = -EADDRNOTAVAIL;
+                        goto finish;
+                }
+
+                log_error("Failed to issue method call: %s", bus_error_message(error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_get_args(reply, error,
+                                   DBUS_TYPE_OBJECT_PATH, &path,
+                                   DBUS_TYPE_INVALID)) {
+                log_error("Failed to parse reply: %s", bus_error_message(error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (need_daemon_reload(bus, name))
+                log_warning("Warning: Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
+                            arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
+
+        if (!arg_no_block) {
+                char *p;
+
+                if (!(p = strdup(path))) {
+                        log_error("Failed to duplicate path.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if ((r = set_put(s, p)) < 0) {
+                        free(p);
+                        log_error("Failed to add path to set.");
+                        goto finish;
+                }
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        return r;
+}
+
+static enum action verb_to_action(const char *verb) {
+        if (streq(verb, "halt"))
+                return ACTION_HALT;
+        else if (streq(verb, "poweroff"))
+                return ACTION_POWEROFF;
+        else if (streq(verb, "reboot"))
+                return ACTION_REBOOT;
+        else if (streq(verb, "kexec"))
+                return ACTION_KEXEC;
+        else if (streq(verb, "rescue"))
+                return ACTION_RESCUE;
+        else if (streq(verb, "emergency"))
+                return ACTION_EMERGENCY;
+        else if (streq(verb, "default"))
+                return ACTION_DEFAULT;
+        else if (streq(verb, "exit"))
+                return ACTION_EXIT;
+        else
+                return ACTION_INVALID;
+}
+
+static int start_unit(DBusConnection *bus, char **args) {
+
+        static const char * const table[_ACTION_MAX] = {
+                [ACTION_HALT] = SPECIAL_HALT_TARGET,
+                [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
+                [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
+                [ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
+                [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
+                [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
+                [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
+                [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
+                [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
+                [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
+                [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
+                [ACTION_EXIT] = SPECIAL_EXIT_TARGET
+        };
+
+        int r, ret = 0;
+        const char *method, *mode, *one_name;
+        Set *s = NULL;
+        DBusError error;
+        char **name;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+
+        ask_password_agent_open_if_enabled();
+
+        if (arg_action == ACTION_SYSTEMCTL) {
+                method =
+                        streq(args[0], "stop") ||
+                        streq(args[0], "condstop")              ? "StopUnit" :
+                        streq(args[0], "reload")                ? "ReloadUnit" :
+                        streq(args[0], "restart")               ? "RestartUnit" :
+
+                        streq(args[0], "try-restart")           ||
+                        streq(args[0], "condrestart")           ? "TryRestartUnit" :
+
+                        streq(args[0], "reload-or-restart")     ? "ReloadOrRestartUnit" :
+
+                        streq(args[0], "reload-or-try-restart") ||
+                        streq(args[0], "condreload") ||
+
+                        streq(args[0], "force-reload")          ? "ReloadOrTryRestartUnit" :
+                                                                  "StartUnit";
+
+                mode =
+                        (streq(args[0], "isolate") ||
+                         streq(args[0], "rescue")  ||
+                         streq(args[0], "emergency")) ? "isolate" : arg_job_mode;
+
+                one_name = table[verb_to_action(args[0])];
+
+        } else {
+                assert(arg_action < ELEMENTSOF(table));
+                assert(table[arg_action]);
+
+                method = "StartUnit";
+
+                mode = (arg_action == ACTION_EMERGENCY ||
+                        arg_action == ACTION_RESCUE ||
+                        arg_action == ACTION_RUNLEVEL2 ||
+                        arg_action == ACTION_RUNLEVEL3 ||
+                        arg_action == ACTION_RUNLEVEL4 ||
+                        arg_action == ACTION_RUNLEVEL5) ? "isolate" : "replace";
+
+                one_name = table[arg_action];
+        }
+
+        if (!arg_no_block) {
+                if ((ret = enable_wait_for_jobs(bus)) < 0) {
+                        log_error("Could not watch jobs: %s", strerror(-ret));
+                        goto finish;
+                }
+
+                if (!(s = set_new(string_hash_func, string_compare_func))) {
+                        log_error("Failed to allocate set.");
+                        ret = -ENOMEM;
+                        goto finish;
+                }
+        }
+
+        if (one_name) {
+                if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
+                        goto finish;
+        } else {
+                STRV_FOREACH(name, args+1)
+                        if ((r = start_unit_one(bus, method, *name, mode, &error, s)) != 0) {
+                                ret = translate_bus_error_to_exit_status(r, &error);
+                                dbus_error_free(&error);
+                        }
+        }
+
+        if (!arg_no_block)
+                if ((r = wait_for_jobs(bus, s)) < 0) {
+                        ret = r;
+                        goto finish;
+                }
+
+finish:
+        if (s)
+                set_free_free(s);
+
+        dbus_error_free(&error);
+
+        return ret;
+}
+
+/* Ask systemd-logind, which might grant access to unprivileged users
+ * through PolicyKit */
+static int reboot_with_logind(DBusConnection *bus, enum action a) {
+#ifdef HAVE_LOGIND
+        const char *method;
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        dbus_bool_t interactive = true;
+        int r;
+
+        dbus_error_init(&error);
+
+        polkit_agent_open_if_enabled();
+
+        switch (a) {
+
+        case ACTION_REBOOT:
+                method = "Reboot";
+                break;
+
+        case ACTION_POWEROFF:
+                method = "PowerOff";
+                break;
+
+        default:
+                return -EINVAL;
+        }
+
+        m = dbus_message_new_method_call(
+                                "org.freedesktop.login1",
+                                "/org/freedesktop/login1",
+                                "org.freedesktop.login1.Manager",
+                                method);
+        if (!m) {
+                log_error("Could not allocate message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_BOOLEAN, &interactive,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+        if (!reply) {
+                if (error_is_no_service(&error)) {
+                        log_debug("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -ENOENT;
+                        goto finish;
+                }
+
+                if (dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
+                        log_debug("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EACCES;
+                        goto finish;
+                }
+
+                log_info("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+#else
+        return -ENOSYS;
+#endif
+}
+
+static int start_special(DBusConnection *bus, char **args) {
+        enum action a;
+        int r;
+
+        assert(bus);
+        assert(args);
+
+        a = verb_to_action(args[0]);
+
+        if (arg_force >= 2 &&
+            (a == ACTION_HALT ||
+             a == ACTION_POWEROFF ||
+             a == ACTION_REBOOT))
+                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)) {
+                r = reboot_with_logind(bus, a);
+                if (r >= 0)
+                        return r;
+        }
+
+        r = start_unit(bus, args);
+        if (r >= 0)
+                warn_wall(a);
+
+        return r;
+}
+
+static int check_unit(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        const char
+                *interface = "org.freedesktop.systemd1.Unit",
+                *property = "ActiveState";
+        int r = 3; /* According to LSB: "program is not running" */
+        DBusError error;
+        char **name;
+
+        assert(bus);
+        assert(args);
+
+        dbus_error_init(&error);
+
+        STRV_FOREACH(name, args+1) {
+                const char *path = NULL;
+                const char *state;
+                DBusMessageIter iter, sub;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "GetUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, name,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+                        /* Hmm, cannot figure out anything about this unit... */
+                        if (!arg_quiet)
+                                puts("unknown");
+
+                        dbus_error_free(&error);
+                        dbus_message_unref(m);
+                        m = NULL;
+                        continue;
+                }
+
+                if (!dbus_message_get_args(reply, &error,
+                                           DBUS_TYPE_OBJECT_PATH, &path,
+                                           DBUS_TYPE_INVALID)) {
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      path,
+                                      "org.freedesktop.DBus.Properties",
+                                      "Get"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, &interface,
+                                              DBUS_TYPE_STRING, &property,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                dbus_message_unref(reply);
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (!dbus_message_iter_init(reply, &iter) ||
+                    dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&iter, &sub);
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_get_basic(&sub, &state);
+
+                if (!arg_quiet)
+                        puts(state);
+
+                if (streq(state, "active") || streq(state, "reloading"))
+                        r = 0;
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int kill_unit(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL;
+        int r = 0;
+        DBusError error;
+        char **name;
+
+        assert(bus);
+        assert(args);
+
+        dbus_error_init(&error);
+
+        if (!arg_kill_who)
+                arg_kill_who = "all";
+
+        if (!arg_kill_mode)
+                arg_kill_mode = streq(arg_kill_who, "all") ? "control-group" : "process";
+
+        STRV_FOREACH(name, args+1) {
+                DBusMessage *reply;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "KillUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, name,
+                                              DBUS_TYPE_STRING, &arg_kill_who,
+                                              DBUS_TYPE_STRING, &arg_kill_mode,
+                                              DBUS_TYPE_INT32, &arg_signal,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        dbus_error_free(&error);
+                        r = -EIO;
+                }
+
+                dbus_message_unref(m);
+
+                if (reply)
+                        dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        dbus_error_free(&error);
+
+        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(DBusMessageIter *sub, ExecStatusInfo *i) {
+        uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
+        DBusMessageIter sub2, sub3;
+        const char*path;
+        unsigned n;
+        uint32_t pid;
+        int32_t code, status;
+        dbus_bool_t ignore;
+
+        assert(i);
+        assert(i);
+
+        if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
+                return -EIO;
+
+        dbus_message_iter_recurse(sub, &sub2);
+
+        if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
+                return -EIO;
+
+        if (!(i->path = strdup(path)))
+                return -ENOMEM;
+
+        if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
+                return -EIO;
+
+        n = 0;
+        dbus_message_iter_recurse(&sub2, &sub3);
+        while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+                assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+                dbus_message_iter_next(&sub3);
+                n++;
+        }
+
+
+        if (!(i->argv = new0(char*, n+1)))
+                return -ENOMEM;
+
+        n = 0;
+        dbus_message_iter_recurse(&sub2, &sub3);
+        while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+                const char *s;
+
+                assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+                dbus_message_iter_get_basic(&sub3, &s);
+                dbus_message_iter_next(&sub3);
+
+                if (!(i->argv[n++] = strdup(s)))
+                        return -ENOMEM;
+        }
+
+        if (!dbus_message_iter_next(&sub2) ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp_monotonic, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp_monotonic, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
+                return -EIO;
+
+        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;
+
+        return 0;
+}
+
+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 *description;
+        const char *following;
+
+        const char *path;
+        const char *default_control_group;
+
+        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;
+        bool running:1;
+#ifdef HAVE_SYSV_COMPAT
+        bool is_sysv:1;
+#endif
+
+        usec_t start_timestamp;
+        usec_t exit_timestamp;
+
+        int exit_code, exit_status;
+
+        usec_t condition_timestamp;
+        bool condition_result;
+
+        /* Socket */
+        unsigned n_accepted;
+        unsigned n_connections;
+        bool accept;
+
+        /* Device */
+        const char *sysfs_path;
+
+        /* Mount, Automount */
+        const char *where;
+
+        /* Swap */
+        const char *what;
+
+        LIST_HEAD(ExecStatusInfo, exec);
+} UnitStatusInfo;
+
+static void print_status_info(UnitStatusInfo *i) {
+        ExecStatusInfo *p;
+        const char *on, *off, *ss;
+        usec_t timestamp;
+        char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
+        char since2[FORMAT_TIMESTAMP_MAX], *s2;
+
+        assert(i);
+
+        /* This shows pretty information about a unit. See
+         * print_property() for a low-level property printer */
+
+        printf("%s", strna(i->id));
+
+        if (i->description && !streq_ptr(i->id, i->description))
+                printf(" - %s", i->description);
+
+        printf("\n");
+
+        if (i->following)
+                printf("\t  Follow: unit currently follows state of %s\n", i->following);
+
+        if (streq_ptr(i->load_state, "error")) {
+                on = ansi_highlight_red(true);
+                off = ansi_highlight_red(false);
+        } else
+                on = off = "";
+
+        if (i->load_error)
+                printf("\t  Loaded: %s%s%s (Reason: %s)\n", on, strna(i->load_state), off, i->load_error);
+        else if (i->path && i->unit_file_state)
+                printf("\t  Loaded: %s%s%s (%s; %s)\n", on, strna(i->load_state), off, i->path, i->unit_file_state);
+        else if (i->path)
+                printf("\t  Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
+        else
+                printf("\t  Loaded: %s%s%s\n", on, strna(i->load_state), off);
+
+        ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
+
+        if (streq_ptr(i->active_state, "failed")) {
+                on = ansi_highlight_red(true);
+                off = ansi_highlight_red(false);
+        } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
+                on = ansi_highlight_green(true);
+                off = ansi_highlight_green(false);
+        } else
+                on = off = "";
+
+        if (ss)
+                printf("\t  Active: %s%s (%s)%s",
+                       on,
+                       strna(i->active_state),
+                       ss,
+                       off);
+        else
+                printf("\t  Active: %s%s%s",
+                       on,
+                       strna(i->active_state),
+                       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_pretty(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_pretty(since1, sizeof(since1), i->condition_timestamp);
+                s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
+
+                if (s1)
+                        printf("\t          start condition failed at %s; %s\n", s2, s1);
+                else if (s2)
+                        printf("\t          start condition failed at %s\n", s2);
+        }
+
+        if (i->sysfs_path)
+                printf("\t  Device: %s\n", i->sysfs_path);
+        if (i->where)
+                printf("\t   Where: %s\n", i->where);
+        if (i->what)
+                printf("\t    What: %s\n", i->what);
+
+        if (i->accept)
+                printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
+
+        LIST_FOREACH(exec, p, i->exec) {
+                char *t;
+                bool good;
+
+                /* Only show exited processes here */
+                if (p->code == 0)
+                        continue;
+
+                t = strv_join(p->argv, " ");
+                printf("\t Process: %u %s=%s ", p->pid, p->name, strna(t));
+                free(t);
+
+#ifdef HAVE_SYSV_COMPAT
+                if (i->is_sysv)
+                        good = is_clean_exit_lsb(p->code, p->status);
+                else
+#endif
+                        good = is_clean_exit(p->code, p->status);
+
+                if (!good) {
+                        on = ansi_highlight_red(true);
+                        off = ansi_highlight_red(false);
+                } 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);
+
+#ifdef HAVE_SYSV_COMPAT
+                        if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+                        if ((c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD)))
+#endif
+                                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) {
+                printf("\t");
+
+                if (i->main_pid > 0) {
+                        printf("Main PID: %u", (unsigned) i->main_pid);
+
+                        if (i->running) {
+                                char *t = NULL;
+                                get_process_comm(i->main_pid, &t);
+                                if (t) {
+                                        printf(" (%s)", t);
+                                        free(t);
+                                }
+                        } 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);
+
+#ifdef HAVE_SYSV_COMPAT
+                                        if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+#else
+                                        if ((c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD)))
+#endif
+                                                printf("/%s", c);
+
+                                } else
+                                        printf("signal=%s", signal_to_string(i->exit_status));
+                                printf(")");
+                        }
+                }
+
+                if (i->main_pid > 0 && i->control_pid > 0)
+                        printf(";");
+
+                if (i->control_pid > 0) {
+                        char *t = NULL;
+
+                        printf(" Control: %u", (unsigned) i->control_pid);
+
+                        get_process_comm(i->control_pid, &t);
+                        if (t) {
+                                printf(" (%s)", t);
+                                free(t);
+                        }
+                }
+
+                printf("\n");
+        }
+
+        if (i->status_text)
+                printf("\t  Status: \"%s\"\n", i->status_text);
+
+        if (i->default_control_group) {
+                unsigned c;
+
+                printf("\t  CGroup: %s\n", i->default_control_group);
+
+                if (arg_transport != TRANSPORT_SSH) {
+                        if ((c = columns()) > 18)
+                                c -= 18;
+                        else
+                                c = 0;
+
+                        show_cgroup_by_path(i->default_control_group, "\t\t  ", c, false);
+                }
+        }
+
+        if (i->id && arg_transport != TRANSPORT_SSH) {
+                printf("\n");
+                show_journal_by_unit(i->id, arg_output, 0, i->inactive_exit_timestamp_monotonic, arg_lines, arg_all, arg_follow);
+        }
+
+        if (i->need_daemon_reload)
+                printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
+                       ansi_highlight_red(true),
+                       ansi_highlight_red(false),
+                       arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
+}
+
+static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
+
+        assert(name);
+        assert(iter);
+        assert(i);
+
+        switch (dbus_message_iter_get_arg_type(iter)) {
+
+        case DBUS_TYPE_STRING: {
+                const char *s;
+
+                dbus_message_iter_get_basic(iter, &s);
+
+                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->path = s;
+#ifdef HAVE_SYSV_COMPAT
+                        else if (streq(name, "SysVPath")) {
+                                i->is_sysv = true;
+                                i->path = s;
+                        }
+#endif
+                        else if (streq(name, "DefaultControlGroup"))
+                                i->default_control_group = s;
+                        else if (streq(name, "StatusText"))
+                                i->status_text = 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, "Result"))
+                                i->result = s;
+                }
+
+                break;
+        }
+
+        case DBUS_TYPE_BOOLEAN: {
+                dbus_bool_t b;
+
+                dbus_message_iter_get_basic(iter, &b);
+
+                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;
+
+                break;
+        }
+
+        case DBUS_TYPE_UINT32: {
+                uint32_t u;
+
+                dbus_message_iter_get_basic(iter, &u);
+
+                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 DBUS_TYPE_INT32: {
+                int32_t j;
+
+                dbus_message_iter_get_basic(iter, &j);
+
+                if (streq(name, "ExecMainCode"))
+                        i->exit_code = (int) j;
+                else if (streq(name, "ExecMainStatus"))
+                        i->exit_status = (int) j;
+
+                break;
+        }
+
+        case DBUS_TYPE_UINT64: {
+                uint64_t u;
+
+                dbus_message_iter_get_basic(iter, &u);
+
+                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;
+
+                break;
+        }
+
+        case DBUS_TYPE_ARRAY: {
+
+                if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
+                    startswith(name, "Exec")) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                ExecStatusInfo *info;
+                                int r;
+
+                                if (!(info = new0(ExecStatusInfo, 1)))
+                                        return -ENOMEM;
+
+                                if (!(info->name = strdup(name))) {
+                                        free(info);
+                                        return -ENOMEM;
+                                }
+
+                                if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
+                                        free(info);
+                                        return r;
+                                }
+
+                                LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
+
+                                dbus_message_iter_next(&sub);
+                        }
+                }
+
+                break;
+        }
+
+        case DBUS_TYPE_STRUCT: {
+
+                if (streq(name, "LoadError")) {
+                        DBusMessageIter sub;
+                        const char *n, *message;
+                        int r;
+
+                        dbus_message_iter_recurse(iter, &sub);
+
+                        r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &n, true);
+                        if (r < 0)
+                                return r;
+
+                        r = bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &message, false);
+                        if (r < 0)
+                                return r;
+
+                        if (!isempty(message))
+                                i->load_error = message;
+                }
+
+                break;
+        }
+        }
+
+        return 0;
+}
+
+static int print_property(const char *name, DBusMessageIter *iter) {
+        assert(name);
+        assert(iter);
+
+        /* This is a low-level property printer, see
+         * print_status_info() for the nicer output */
+
+        if (arg_property && !strv_find(arg_property, name))
+                return 0;
+
+        switch (dbus_message_iter_get_arg_type(iter)) {
+
+        case DBUS_TYPE_STRUCT: {
+                DBusMessageIter sub;
+                dbus_message_iter_recurse(iter, &sub);
+
+                if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) {
+                        uint32_t u;
+
+                        dbus_message_iter_get_basic(&sub, &u);
+
+                        if (u)
+                                printf("%s=%u\n", name, (unsigned) u);
+                        else if (arg_all)
+                                printf("%s=\n", name);
+
+                        return 0;
+                } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) {
+                        const char *s;
+
+                        dbus_message_iter_get_basic(&sub, &s);
+
+                        if (arg_all || s[0])
+                                printf("%s=%s\n", name, s);
+
+                        return 0;
+                } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "LoadError")) {
+                        const char *a = NULL, *b = NULL;
+
+                        if (bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &a, true) >= 0)
+                                bus_iter_get_basic_and_next(&sub, DBUS_TYPE_STRING, &b, false);
+
+                        if (arg_all || !isempty(a) || !isempty(b))
+                                printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
+
+                        return 0;
+                }
+
+                break;
+        }
+
+        case DBUS_TYPE_ARRAY:
+
+                if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "EnvironmentFiles")) {
+                        DBusMessageIter sub, sub2;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                const char *path;
+                                dbus_bool_t ignore;
+
+                                dbus_message_iter_recurse(&sub, &sub2);
+
+                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) >= 0)
+                                        printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore));
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
+                        DBusMessageIter sub, sub2;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                const char *type, *path;
+
+                                dbus_message_iter_recurse(&sub, &sub2);
+
+                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0)
+                                        printf("%s=%s\n", type, path);
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
+                        DBusMessageIter sub, sub2;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                const char *base;
+                                uint64_t value, next_elapse;
+
+                                dbus_message_iter_recurse(&sub, &sub2);
+
+                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 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),
+                                               format_timespan(timespan2, sizeof(timespan2), next_elapse));
+                                }
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "ControlGroupAttributes")) {
+                        DBusMessageIter sub, sub2;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                const char *controller, *attr, *value;
+
+                                dbus_message_iter_recurse(&sub, &sub2);
+
+                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &controller, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &attr, true) >= 0 &&
+                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &value, false) >= 0) {
+
+                                        printf("ControlGroupAttribute={ controller=%s ; attribute=%s ; value=\"%s\" }\n",
+                                               controller,
+                                               attr,
+                                               value);
+                                }
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                ExecStatusInfo info;
+
+                                zero(info);
+                                if (exec_status_info_deserialize(&sub, &info) >= 0) {
+                                        char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
+                                        char *t;
+
+                                        t = strv_join(info.argv, " ");
+
+                                        printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+                                               name,
+                                               strna(info.path),
+                                               strna(t),
+                                               yes_no(info.ignore),
+                                               strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+                                               strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+                                               (unsigned) 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(t);
+                                }
+
+                                free(info.path);
+                                strv_free(info.argv);
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+                }
+
+                break;
+        }
+
+        if (generic_print_property(name, iter, arg_all) > 0)
+                return 0;
+
+        if (arg_all)
+                printf("%s=[unprintable]\n", name);
+
+        return 0;
+}
+
+static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
+        DBusMessage *m = NULL, *reply = NULL;
+        const char *interface = "";
+        int r;
+        DBusError error;
+        DBusMessageIter iter, sub, sub2, sub3;
+        UnitStatusInfo info;
+        ExecStatusInfo *p;
+
+        assert(bus);
+        assert(path);
+        assert(new_line);
+
+        zero(info);
+        dbus_error_init(&error);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "GetAll"))) {
+                log_error("Could not allocate message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (*new_line)
+                printf("\n");
+
+        *new_line = true;
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *name;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub2, &sub3);
+
+                if (show_properties)
+                        r = print_property(name, &sub3);
+                else
+                        r = status_property(name, &sub3, &info);
+
+                if (r < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_next(&sub);
+        }
+
+        r = 0;
+
+        if (!show_properties)
+                print_status_info(&info);
+
+        if (!streq_ptr(info.active_state, "active") &&
+            !streq_ptr(info.active_state, "reloading") &&
+            streq(verb, "status"))
+                /* According to LSB: "program not running" */
+                r = 3;
+
+        while ((p = info.exec)) {
+                LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
+                exec_status_info_free(p);
+        }
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int show(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        int r, ret = 0;
+        DBusError error;
+        bool show_properties, new_line = false;
+        char **name;
+
+        assert(bus);
+        assert(args);
+
+        dbus_error_init(&error);
+
+        show_properties = !streq(args[0], "status");
+
+        if (show_properties)
+                pager_open_if_enabled();
+
+        if (show_properties && strv_length(args) <= 1) {
+                /* If not argument is specified inspect the manager
+                 * itself */
+
+                ret = show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line);
+                goto finish;
+        }
+
+        STRV_FOREACH(name, args+1) {
+                const char *path = NULL;
+                uint32_t id;
+
+                if (safe_atou32(*name, &id) < 0) {
+
+                        /* Interpret as unit name */
+
+                        if (!(m = dbus_message_new_method_call(
+                                              "org.freedesktop.systemd1",
+                                              "/org/freedesktop/systemd1",
+                                              "org.freedesktop.systemd1.Manager",
+                                              "LoadUnit"))) {
+                                log_error("Could not allocate message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_append_args(m,
+                                                      DBUS_TYPE_STRING, name,
+                                                      DBUS_TYPE_INVALID)) {
+                                log_error("Could not append arguments to message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+                                if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
+                                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                        ret = -EIO;
+                                        goto finish;
+                                }
+
+                                dbus_error_free(&error);
+
+                                dbus_message_unref(m);
+                                if (!(m = dbus_message_new_method_call(
+                                                      "org.freedesktop.systemd1",
+                                                      "/org/freedesktop/systemd1",
+                                                      "org.freedesktop.systemd1.Manager",
+                                                      "GetUnit"))) {
+                                        log_error("Could not allocate message.");
+                                        ret = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (!dbus_message_append_args(m,
+                                                              DBUS_TYPE_STRING, name,
+                                                              DBUS_TYPE_INVALID)) {
+                                        log_error("Could not append arguments to message.");
+                                        ret = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+
+                                        if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
+                                                ret = 4; /* According to LSB: "program or service status is unknown" */
+                                        else
+                                                ret = -EIO;
+                                        goto finish;
+                                }
+                        }
+
+                } else if (show_properties) {
+
+                        /* Interpret as job id */
+
+                        if (!(m = dbus_message_new_method_call(
+                                              "org.freedesktop.systemd1",
+                                              "/org/freedesktop/systemd1",
+                                              "org.freedesktop.systemd1.Manager",
+                                              "GetJob"))) {
+                                log_error("Could not allocate message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_append_args(m,
+                                                      DBUS_TYPE_UINT32, &id,
+                                                      DBUS_TYPE_INVALID)) {
+                                log_error("Could not append arguments to message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                ret = -EIO;
+                                goto finish;
+                        }
+                } else {
+
+                        /* Interpret as PID */
+
+                        if (!(m = dbus_message_new_method_call(
+                                              "org.freedesktop.systemd1",
+                                              "/org/freedesktop/systemd1",
+                                              "org.freedesktop.systemd1.Manager",
+                                              "GetUnitByPID"))) {
+                                log_error("Could not allocate message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_append_args(m,
+                                                      DBUS_TYPE_UINT32, &id,
+                                                      DBUS_TYPE_INVALID)) {
+                                log_error("Could not append arguments to message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                ret = -EIO;
+                                goto finish;
+                        }
+                }
+
+                if (!dbus_message_get_args(reply, &error,
+                                           DBUS_TYPE_OBJECT_PATH, &path,
+                                           DBUS_TYPE_INVALID)) {
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
+                        ret = -EIO;
+                        goto finish;
+                }
+
+                if ((r = show_one(args[0], bus, path, show_properties, &new_line)) != 0)
+                        ret = r;
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return ret;
+}
+
+static int dump(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        const char *text;
+
+        dbus_error_init(&error);
+
+        pager_open_if_enabled();
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "Dump"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_get_args(reply, &error,
+                                   DBUS_TYPE_STRING, &text,
+                                   DBUS_TYPE_INVALID)) {
+                log_error("Failed to parse reply: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        fputs(text, stdout);
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int snapshot(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        const char *name = "", *path, *id;
+        dbus_bool_t cleanup = FALSE;
+        DBusMessageIter iter, sub;
+        const char
+                *interface = "org.freedesktop.systemd1.Unit",
+                *property = "Id";
+
+        dbus_error_init(&error);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "CreateSnapshot"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (strv_length(args) > 1)
+                name = args[1];
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &name,
+                                      DBUS_TYPE_BOOLEAN, &cleanup,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_get_args(reply, &error,
+                                   DBUS_TYPE_OBJECT_PATH, &path,
+                                   DBUS_TYPE_INVALID)) {
+                log_error("Failed to parse reply: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_unref(m);
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "Get"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_STRING, &property,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        dbus_message_unref(reply);
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_get_basic(&sub, &id);
+
+        if (!arg_quiet)
+                puts(id);
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int delete_snapshot(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        int r;
+        DBusError error;
+        char **name;
+
+        assert(bus);
+        assert(args);
+
+        dbus_error_init(&error);
+
+        STRV_FOREACH(name, args+1) {
+                const char *path = NULL;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "GetUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, name,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (!dbus_message_get_args(reply, &error,
+                                           DBUS_TYPE_OBJECT_PATH, &path,
+                                           DBUS_TYPE_INVALID)) {
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      path,
+                                      "org.freedesktop.systemd1.Snapshot",
+                                      "Remove"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                dbus_message_unref(reply);
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int daemon_reload(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        const char *method;
+
+        dbus_error_init(&error);
+
+        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";
+        }
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              method))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+                if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
+                        /* There's always a fallback possible for
+                         * legacy actions. */
+                        r = -EADDRNOTAVAIL;
+                        goto finish;
+                }
+
+                if (streq(method, "Reexecute") && dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY)) {
+                        /* On reexecution, we expect a disconnect, not
+                         * a reply */
+                        r = 0;
+                        goto finish;
+                }
+
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int reset_failed(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL;
+        int r;
+        DBusError error;
+        char **name;
+
+        assert(bus);
+        dbus_error_init(&error);
+
+        if (strv_length(args) <= 1)
+                return daemon_reload(bus, args);
+
+        STRV_FOREACH(name, args+1) {
+                DBusMessage *reply;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "ResetFailedUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, name,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int show_enviroment(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        DBusMessageIter iter, sub, sub2;
+        int r;
+        const char
+                *interface = "org.freedesktop.systemd1.Manager",
+                *property = "Environment";
+
+        dbus_error_init(&error);
+
+        pager_open_if_enabled();
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.DBus.Properties",
+                              "Get"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_STRING, &property,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&sub, &sub2);
+
+        while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
+                const char *text;
+
+                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_get_basic(&sub2, &text);
+                printf("%s\n", text);
+
+                dbus_message_iter_next(&sub2);
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int set_environment(DBusConnection *bus, char **args) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        const char *method;
+        DBusMessageIter iter, sub;
+        char **name;
+
+        dbus_error_init(&error);
+
+        method = streq(args[0], "set-environment")
+                ? "SetEnvironment"
+                : "UnsetEnvironment";
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              method))) {
+
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        dbus_message_iter_init_append(m, &iter);
+
+        if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        STRV_FOREACH(name, args+1)
+                if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+        if (!dbus_message_iter_close_container(&iter, &sub)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int enable_sysv_units(char **args) {
+        int r = 0;
+
+#if defined (HAVE_SYSV_COMPAT) && (defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_SUSE) || defined(TARGET_MEEGO) || defined(TARGET_ALTLINUX) || defined(TARGET_MAGEIA))
+        const char *verb = args[0];
+        unsigned f = 1, t = 1;
+        LookupPaths paths;
+
+        if (arg_scope != UNIT_FILE_SYSTEM)
+                return 0;
+
+        if (!streq(verb, "enable") &&
+            !streq(verb, "disable") &&
+            !streq(verb, "is-enabled"))
+                return 0;
+
+        /* Processes all SysV units, and reshuffles the array so that
+         * afterwards only the native units remain */
+
+        zero(paths);
+        r = lookup_paths_init(&paths, MANAGER_SYSTEM, false);
+        if (r < 0)
+                return r;
+
+        r = 0;
+
+        for (f = 1; args[f]; f++) {
+                const char *name;
+                char *p;
+                bool found_native = false, found_sysv;
+                unsigned c = 1;
+                const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL };
+                char **k, *l, *q = NULL;
+                int j;
+                pid_t pid;
+                siginfo_t status;
+
+                name = args[f];
+
+                if (!endswith(name, ".service"))
+                        continue;
+
+                if (path_is_absolute(name))
+                        continue;
+
+                STRV_FOREACH(k, paths.unit_path) {
+                        p = NULL;
+
+                        if (!isempty(arg_root))
+                                asprintf(&p, "%s/%s/%s", arg_root, *k, name);
+                        else
+                                asprintf(&p, "%s/%s", *k, name);
+
+                        if (!p) {
+                                log_error("No memory");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        found_native = access(p, F_OK) >= 0;
+                        free(p);
+
+                        if (found_native)
+                                break;
+                }
+
+                if (found_native)
+                        continue;
+
+                p = NULL;
+                if (!isempty(arg_root))
+                        asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
+                else
+                        asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
+                if (!p) {
+                        log_error("No memory");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                p[strlen(p) - sizeof(".service") + 1] = 0;
+                found_sysv = access(p, F_OK) >= 0;
+
+                if (!found_sysv) {
+                        free(p);
+                        continue;
+                }
+
+                /* Mark this entry, so that we don't try enabling it as native unit */
+                args[f] = (char*) "";
+
+                log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name);
+
+                if (!isempty(arg_root))
+                        argv[c++] = q = strappend("--root=", arg_root);
+
+                argv[c++] = file_name_from_path(p);
+                argv[c++] =
+                        streq(verb, "enable") ? "on" :
+                        streq(verb, "disable") ? "off" : "--level=5";
+                argv[c] = NULL;
+
+                l = strv_join((char**)argv, " ");
+                if (!l) {
+                        log_error("No memory.");
+                        free(q);
+                        free(p);
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                log_info("Executing %s", l);
+                free(l);
+
+                pid = fork();
+                if (pid < 0) {
+                        log_error("Failed to fork: %m");
+                        free(p);
+                        free(q);
+                        r = -errno;
+                        goto finish;
+                } else if (pid == 0) {
+                        /* Child */
+
+                        execv(argv[0], (char**) argv);
+                        _exit(EXIT_FAILURE);
+                }
+
+                free(p);
+                free(q);
+
+                j = wait_for_terminate(pid, &status);
+                if (j < 0) {
+                        log_error("Failed to wait for child: %s", strerror(-r));
+                        r = j;
+                        goto finish;
+                }
+
+                if (status.si_code == CLD_EXITED) {
+                        if (streq(verb, "is-enabled")) {
+                                if (status.si_status == 0) {
+                                        if (!arg_quiet)
+                                                puts("enabled");
+                                        r = 1;
+                                } else {
+                                        if (!arg_quiet)
+                                                puts("disabled");
+                                }
+
+                        } else if (status.si_status != 0) {
+                                r = -EINVAL;
+                                goto finish;
+                        }
+                } else {
+                        r = -EPROTO;
+                        goto finish;
+                }
+        }
+
+finish:
+        lookup_paths_free(&paths);
+
+        /* Drop all SysV units */
+        for (f = 1, t = 1; args[f]; f++) {
+
+                if (isempty(args[f]))
+                        continue;
+
+                args[t++] = args[f];
+        }
+
+        args[t] = NULL;
+
+#endif
+        return r;
+}
+
+static int enable_unit(DBusConnection *bus, char **args) {
+        const char *verb = args[0];
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0, i;
+        int carries_install_info = -1;
+        DBusMessage *m = NULL, *reply = NULL;
+        int r;
+        DBusError error;
+
+        r = enable_sysv_units(args);
+        if (r < 0)
+                return r;
+
+        if (!args[1])
+                return 0;
+
+        dbus_error_init(&error);
+
+        if (!bus || avoid_bus()) {
+                if (streq(verb, "enable")) {
+                        r = unit_file_enable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
+                        carries_install_info = r;
+                } else if (streq(verb, "disable"))
+                        r = unit_file_disable(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
+                else if (streq(verb, "reenable")) {
+                        r = unit_file_reenable(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
+                        carries_install_info = r;
+                } else if (streq(verb, "link"))
+                        r = unit_file_link(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
+                else if (streq(verb, "preset")) {
+                        r = unit_file_preset(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
+                        carries_install_info = r;
+                } else if (streq(verb, "mask"))
+                        r = unit_file_mask(arg_scope, arg_runtime, arg_root, args+1, arg_force, &changes, &n_changes);
+                else if (streq(verb, "unmask"))
+                        r = unit_file_unmask(arg_scope, arg_runtime, arg_root, args+1, &changes, &n_changes);
+                else
+                        assert_not_reached("Unknown verb");
+
+                if (r < 0) {
+                        log_error("Operation failed: %s", strerror(-r));
+                        goto finish;
+                }
+
+                if (!arg_quiet) {
+                        for (i = 0; i < n_changes; i++) {
+                                if (changes[i].type == UNIT_FILE_SYMLINK)
+                                        log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
+                                else
+                                        log_info("rm '%s'", changes[i].path);
+                        }
+                }
+
+        } else {
+                const char *method;
+                bool send_force = true, expect_carries_install_info = false;
+                dbus_bool_t a, b;
+                DBusMessageIter iter, sub, sub2;
+
+                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")) {
+                        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");
+
+                m = dbus_message_new_method_call(
+                                "org.freedesktop.systemd1",
+                                "/org/freedesktop/systemd1",
+                                "org.freedesktop.systemd1.Manager",
+                                method);
+                if (!m) {
+                        log_error("Out of memory");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                dbus_message_iter_init_append(m, &iter);
+
+                r = bus_append_strv_iter(&iter, args+1);
+                if (r < 0) {
+                        log_error("Failed to append unit files.");
+                        goto finish;
+                }
+
+                a = arg_runtime;
+                if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &a)) {
+                        log_error("Failed to append runtime boolean.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (send_force) {
+                        b = arg_force;
+
+                        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b)) {
+                                log_error("Failed to append force boolean.");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+                }
+
+                reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+                if (!reply) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                if (!dbus_message_iter_init(reply, &iter)) {
+                        log_error("Failed to initialize iterator.");
+                        goto finish;
+                }
+
+                if (expect_carries_install_info) {
+                        r = bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &b, true);
+                        if (r < 0) {
+                                log_error("Failed to parse reply.");
+                                goto finish;
+                        }
+
+                        carries_install_info = b;
+                }
+
+                if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+                    dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&iter, &sub);
+                while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                        const char *type, *path, *source;
+
+                        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                                log_error("Failed to parse reply.");
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        dbus_message_iter_recurse(&sub, &sub2);
+
+                        if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
+                            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0 ||
+                            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &source, false) < 0) {
+                                log_error("Failed to parse reply.");
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        if (!arg_quiet) {
+                                if (streq(type, "symlink"))
+                                        log_info("ln -s '%s' '%s'", source, path);
+                                else
+                                        log_info("rm '%s'", path);
+                        }
+
+                        dbus_message_iter_next(&sub);
+                }
+
+                /* Try to reload if enabeld */
+                if (!arg_no_reload)
+                        r = daemon_reload(bus, args);
+        }
+
+        if (carries_install_info == 0)
+                log_warning("Warning: unit files do not carry install information. No operation executed.");
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        unit_file_changes_free(changes, n_changes);
+
+        dbus_error_free(&error);
+        return r;
+}
+
+static int unit_is_enabled(DBusConnection *bus, char **args) {
+        DBusError error;
+        int r;
+        DBusMessage *m = NULL, *reply = NULL;
+        bool enabled;
+        char **name;
+
+        dbus_error_init(&error);
+
+        r = enable_sysv_units(args);
+        if (r < 0)
+                return r;
+
+        enabled = r > 0;
+
+        if (!bus || avoid_bus()) {
+
+                STRV_FOREACH(name, args+1) {
+                        UnitFileState state;
+
+                        state = unit_file_get_state(arg_scope, arg_root, *name);
+                        if (state < 0) {
+                                r = state;
+                                goto finish;
+                        }
+
+                        if (state == UNIT_FILE_ENABLED ||
+                            state == UNIT_FILE_ENABLED_RUNTIME ||
+                            state == UNIT_FILE_STATIC)
+                                enabled = true;
+
+                        if (!arg_quiet)
+                                puts(unit_file_state_to_string(state));
+                }
+
+        } else {
+                STRV_FOREACH(name, args+1) {
+                        const char *s;
+
+                        m = dbus_message_new_method_call(
+                                        "org.freedesktop.systemd1",
+                                        "/org/freedesktop/systemd1",
+                                        "org.freedesktop.systemd1.Manager",
+                                        "GetUnitFileState");
+                        if (!m) {
+                                log_error("Out of memory");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_append_args(m,
+                                                      DBUS_TYPE_STRING, name,
+                                                      DBUS_TYPE_INVALID)) {
+                                log_error("Could not append arguments to message.");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+                        if (!reply) {
+                                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_get_args(reply, &error,
+                                                   DBUS_TYPE_STRING, &s,
+                                                   DBUS_TYPE_INVALID)) {
+                                log_error("Failed to parse reply: %s", bus_error_message(&error));
+                                r = -EIO;
+                                goto finish;
+                        }
+
+                        dbus_message_unref(m);
+                        dbus_message_unref(reply);
+                        m = reply = NULL;
+
+                        if (streq(s, "enabled") ||
+                            streq(s, "enabled-runtime") ||
+                            streq(s, "static"))
+                                enabled = true;
+
+                        if (!arg_quiet)
+                                puts(s);
+                }
+        }
+
+        r = enabled ? 0 : 1;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+        return r;
+}
+
+static int 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"
+               "  -t --type=TYPE      List only units of a particular type\n"
+               "  -p --property=NAME  Show only properties by this name\n"
+               "  -a --all            Show all units/properties, including dead/empty ones\n"
+               "     --failed         Show only failed units\n"
+               "     --full           Don't ellipsize unit names on output\n"
+               "     --fail           When queueing a new job, fail if conflicting jobs are\n"
+               "                      pending\n"
+               "     --ignore-dependencies\n"
+               "                      When queueing a new job, ignore all its dependencies\n"
+               "     --kill-who=WHO   Who to send signal to\n"
+               "  -s --signal=SIGNAL  Which signal to send\n"
+               "  -H --host=[USER@]HOST\n"
+               "                      Show information for remote host\n"
+               "  -P --privileged     Acquire privileges before execution\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      When enabling/disabling unit files, don't reload daemon\n"
+               "                      configuration\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"
+               "     --order          When generating graph for dot, show only order\n"
+               "     --require        When generating graph for dot, show only requirement\n"
+               "     --system         Connect to system manager\n"
+               "     --user           Connect to user service manager\n"
+               "     --global         Enable/disable unit files globally\n"
+               "  -f --force          When enabling unit files, override existing symlinks\n"
+               "                      When shutting down, execute action immediately\n"
+               "     --root=PATH      Enable unit files in the specified root directory\n"
+               "     --runtime        Enable unit files only temporarily until next reboot\n"
+               "  -n --lines=INTEGER  Journal entries to show\n"
+               "     --follow         Follow journal\n"
+               "  -o --output=STRING  Change journal output mode (short, short-monotonic,\n"
+               "                      verbose, export, json, cat)\n\n"
+               "Unit Commands:\n"
+               "  list-units                      List loaded units\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 is possible,\n"
+               "                                  otherwise start or restart\n"
+               "  reload-or-try-restart [NAME...] Reload one or more units is 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 [NAME...]             Check whether units are active\n"
+               "  status [NAME...|PID...]         Show runtime status of one or more units\n"
+               "  show [NAME...|JOB...]           Show properties of one or more\n"
+               "                                  units/jobs or the manager\n"
+               "  reset-failed [NAME...]          Reset failed state for all, one, or more\n"
+               "                                  units\n"
+               "  load [NAME...]                  Load one or more units\n\n"
+               "Unit File Commands:\n"
+               "  list-unit-files                 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"
+               "  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"
+               "  is-enabled [NAME...]            Check whether unit files are enabled\n\n"
+               "Job Commands:\n"
+               "  list-jobs                       List jobs\n"
+               "  cancel [JOB...]                 Cancel all, one, or more jobs\n\n"
+               "Status Commands:\n"
+               "  dump                            Dump server status\n"
+               "  dot                             Dump dependency graph for dot(1)\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\n"
+               "Manager Lifecycle Commands:\n"
+               "  daemon-reload                   Reload systemd manager configuration\n"
+               "  daemon-reexec                   Reexecute systemd manager\n\n"
+               "System Commands:\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                          Shut down and reboot the system\n"
+               "  kexec                           Shut down and reboot the system with kexec\n"
+               "  exit                            Ask for user instance termination\n",
+               program_invocation_short_name);
+
+        return 0;
+}
+
+static int halt_help(void) {
+
+        printf("%s [OPTIONS...]\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"
+               "  -n --no-sync   Don't sync before halt/power-off/reboot\n"
+               "     --no-wall   Don't send wall message before halt/power-off/reboot\n",
+               program_invocation_short_name,
+               arg_action == ACTION_REBOOT   ? "Reboot" :
+               arg_action == ACTION_POWEROFF ? "Power off" :
+                                               "Halt");
+
+        return 0;
+}
+
+static int 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, overriden 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);
+
+        return 0;
+}
+
+static int 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);
+
+        return 0;
+}
+
+static int 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);
+
+        return 0;
+}
+
+static int systemctl_parse_argv(int argc, char *argv[]) {
+
+        enum {
+                ARG_FAIL = 0x100,
+                ARG_IGNORE_DEPENDENCIES,
+                ARG_VERSION,
+                ARG_USER,
+                ARG_SYSTEM,
+                ARG_GLOBAL,
+                ARG_NO_BLOCK,
+                ARG_NO_LEGEND,
+                ARG_NO_PAGER,
+                ARG_NO_WALL,
+                ARG_ORDER,
+                ARG_REQUIRE,
+                ARG_ROOT,
+                ARG_FULL,
+                ARG_NO_RELOAD,
+                ARG_KILL_MODE,
+                ARG_KILL_WHO,
+                ARG_NO_ASK_PASSWORD,
+                ARG_FAILED,
+                ARG_RUNTIME,
+                ARG_FOLLOW,
+                ARG_FORCE
+        };
+
+        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'           },
+                { "failed",    no_argument,       NULL, ARG_FAILED    },
+                { "full",      no_argument,       NULL, ARG_FULL      },
+                { "fail",      no_argument,       NULL, ARG_FAIL      },
+                { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES },
+                { "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'           },
+                { "order",     no_argument,       NULL, ARG_ORDER     },
+                { "require",   no_argument,       NULL, ARG_REQUIRE   },
+                { "root",      required_argument, NULL, ARG_ROOT      },
+                { "force",     no_argument,       NULL, ARG_FORCE     },
+                { "no-reload", no_argument,       NULL, ARG_NO_RELOAD },
+                { "kill-mode", required_argument, NULL, ARG_KILL_MODE }, /* undocumented on purpose */
+                { "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'           },
+                { "privileged",no_argument,       NULL, 'P'           },
+                { "runtime",   no_argument,       NULL, ARG_RUNTIME   },
+                { "lines",     required_argument, NULL, 'n'           },
+                { "follow",    no_argument,       NULL, ARG_FOLLOW    },
+                { "output",    required_argument, NULL, 'o'           },
+                { NULL,        0,                 NULL, 0             }
+        };
+
+        int c;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "ht:p:aqfs:H:Pn:o:", options, NULL)) >= 0) {
+
+                switch (c) {
+
+                case 'h':
+                        systemctl_help();
+                        return 0;
+
+                case ARG_VERSION:
+                        puts(PACKAGE_STRING);
+                        puts(DISTRIBUTION);
+                        puts(SYSTEMD_FEATURES);
+                        return 0;
+
+                case 't':
+                        arg_type = optarg;
+                        break;
+
+                case 'p': {
+                        char **l;
+
+                        if (!(l = strv_append(arg_property, optarg)))
+                                return -ENOMEM;
+
+                        strv_free(arg_property);
+                        arg_property = l;
+
+                        /* 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_FAIL:
+                        arg_job_mode = "fail";
+                        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_ORDER:
+                        arg_dot = DOT_ORDER;
+                        break;
+
+                case ARG_REQUIRE:
+                        arg_dot = DOT_REQUIRE;
+                        break;
+
+                case ARG_ROOT:
+                        arg_root = optarg;
+                        break;
+
+                case ARG_FULL:
+                        arg_full = true;
+                        break;
+
+                case ARG_FAILED:
+                        arg_failed = true;
+                        break;
+
+                case 'q':
+                        arg_quiet = true;
+                        break;
+
+                case ARG_FORCE:
+                        arg_force ++;
+                        break;
+
+                case ARG_FOLLOW:
+                        arg_follow = true;
+                        break;
+
+                case 'f':
+                        /* -f is short for both --follow and --force! */
+                        arg_force ++;
+                        arg_follow = true;
+                        break;
+
+                case ARG_NO_RELOAD:
+                        arg_no_reload = true;
+                        break;
+
+                case ARG_KILL_WHO:
+                        arg_kill_who = optarg;
+                        break;
+
+                case ARG_KILL_MODE:
+                        arg_kill_mode = 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 'P':
+                        arg_transport = TRANSPORT_POLKIT;
+                        break;
+
+                case 'H':
+                        arg_transport = TRANSPORT_SSH;
+                        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 '?':
+                        return -EINVAL;
+
+                default:
+                        log_error("Unknown option code %c", c);
+                        return -EINVAL;
+                }
+        }
+
+        if (arg_transport != TRANSPORT_NORMAL && 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-sync",   no_argument,       NULL, 'n'         },
+                { "no-wall",   no_argument,       NULL, ARG_NO_WALL },
+                { NULL,        0,                 NULL, 0           }
+        };
+
+        int c, runlevel;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        if (utmp_get_runlevel(&runlevel, NULL) >= 0)
+                if (runlevel == '0' || runlevel == '6')
+                        arg_immediate = true;
+
+        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_immediate = true;
+                        break;
+
+                case 'w':
+                        arg_dry = true;
+                        break;
+
+                case 'd':
+                        arg_no_wtmp = true;
+                        break;
+
+                case 'n':
+                        arg_no_sync = true;
+                        break;
+
+                case ARG_NO_WALL:
+                        arg_no_wall = true;
+                        break;
+
+                case 'i':
+                case 'h':
+                        /* Compatibility nops */
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        log_error("Unknown option code %c", c);
+                        return -EINVAL;
+                }
+        }
+
+        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);
+
+                zero(tm);
+                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 },
+                { NULL,        0,                 NULL, 0           }
+        };
+
+        int c, r;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "HPrhkt: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':
+                        /* Compatibility nops */
+                        break;
+
+                case 'c':
+                        arg_action = ACTION_CANCEL_SHUTDOWN;
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        log_error("Unknown option code %c", c);
+                        return -EINVAL;
+                }
+        }
+
+        if (argc > optind) {
+                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;
+
+        /* We skip the time argument */
+        if (argc > optind + 1)
+                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 },
+                { NULL,        0,                 NULL, 0           }
+        };
+
+        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:
+                        log_error("Unknown option code %c", c);
+                        return -EINVAL;
+                }
+        }
+
+        if (optind >= argc) {
+                telinit_help();
+                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    },
+                { NULL,        0,                 NULL, 0           }
+        };
+
+        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:
+                        log_error("Unknown option code %c", c);
+                        return -EINVAL;
+                }
+        }
+
+        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("/lib/upstart/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);
+}
+
+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_upstart(void) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int previous, rl, r;
+        char
+                env1_buf[] = "RUNLEVEL=X",
+                env2_buf[] = "PREVLEVEL=X";
+        char *env1 = env1_buf, *env2 = env2_buf;
+        const char *emit = "runlevel";
+        dbus_bool_t b_false = FALSE;
+        DBusMessageIter iter, sub;
+        DBusConnection *bus;
+
+        dbus_error_init(&error);
+
+        if (!(rl = action_to_runlevel()))
+                return 0;
+
+        if (utmp_get_runlevel(&previous, NULL) < 0)
+                previous = 'N';
+
+        if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
+                if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
+                        r = 0;
+                        goto finish;
+                }
+
+                log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if ((r = bus_check_peercred(bus)) < 0) {
+                log_error("Failed to verify owner of bus.");
+                goto finish;
+        }
+
+        if (!(m = dbus_message_new_method_call(
+                              "com.ubuntu.Upstart",
+                              "/com/ubuntu/Upstart",
+                              "com.ubuntu.Upstart0_6",
+                              "EmitEvent"))) {
+
+                log_error("Could not allocate message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        dbus_message_iter_init_append(m, &iter);
+
+        env1_buf[sizeof(env1_buf)-2] = rl;
+        env2_buf[sizeof(env2_buf)-2] = previous;
+
+        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) ||
+            !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) ||
+            !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) ||
+            !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) ||
+            !dbus_message_iter_close_container(&iter, &sub) ||
+            !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+                if (error_is_no_service(&error)) {
+                        r = -EADDRNOTAVAIL;
+                        goto finish;
+                }
+
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 1;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        if (bus) {
+                dbus_connection_flush(bus);
+                dbus_connection_close(bus);
+                dbus_connection_unref(bus);
+        }
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int talk_initctl(void) {
+        struct init_request request;
+        int r, fd;
+        char rl;
+
+        if (!(rl = action_to_runlevel()))
+                return 0;
+
+        zero(request);
+        request.magic = INIT_MAGIC;
+        request.sleeptime = 0;
+        request.cmd = INIT_CMD_RUNLVL;
+        request.runlevel = rl;
+
+        if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) {
+
+                if (errno == ENOENT)
+                        return 0;
+
+                log_error("Failed to open "INIT_FIFO": %m");
+                return -errno;
+        }
+
+        errno = 0;
+        r = loop_write(fd, &request, sizeof(request), false) != sizeof(request);
+        close_nointr_nofail(fd);
+
+        if (r < 0) {
+                log_error("Failed to write to "INIT_FIFO": %m");
+                return errno ? -errno : -EIO;
+        }
+
+        return 1;
+}
+
+static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
+
+        static const struct {
+                const char* verb;
+                const enum {
+                        MORE,
+                        LESS,
+                        EQUAL
+                } argc_cmp;
+                const int argc;
+                int (* const dispatch)(DBusConnection *bus, char **args);
+        } verbs[] = {
+                { "list-units",            LESS,  1, list_units        },
+                { "list-unit-files",       EQUAL, 1, list_unit_files   },
+                { "list-jobs",             EQUAL, 1, list_jobs         },
+                { "clear-jobs",            EQUAL, 1, daemon_reload     },
+                { "load",                  MORE,  2, load_unit         },
+                { "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        },
+                { "check",                 MORE,  2, check_unit        },
+                { "show",                  MORE,  1, show              },
+                { "status",                MORE,  2, show              },
+                { "dump",                  EQUAL, 1, dump              },
+                { "dot",                   EQUAL, 1, dot               },
+                { "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_enviroment   },
+                { "set-environment",       MORE,  2, set_environment   },
+                { "unset-environment",     MORE,  2, set_environment   },
+                { "halt",                  EQUAL, 1, start_special     },
+                { "poweroff",              EQUAL, 1, start_special     },
+                { "reboot",                EQUAL, 1, start_special     },
+                { "kexec",                 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       },
+                { "disable",               MORE,  2, enable_unit       },
+                { "is-enabled",            MORE,  2, unit_is_enabled   },
+                { "reenable",              MORE,  2, enable_unit       },
+                { "preset",                MORE,  2, enable_unit       },
+                { "mask",                  MORE,  2, enable_unit       },
+                { "unmask",                MORE,  2, enable_unit       },
+                { "link",                  MORE,  2, enable_unit       }
+        };
+
+        int left;
+        unsigned i;
+
+        assert(argc >= 0);
+        assert(argv);
+        assert(error);
+
+        left = argc - optind;
+
+        if (left <= 0)
+                /* Special rule: no arguments means "list-units" */
+                i = 0;
+        else {
+                if (streq(argv[optind], "help")) {
+                        systemctl_help();
+                        return 0;
+                }
+
+                for (i = 0; i < ELEMENTSOF(verbs); i++)
+                        if (streq(argv[optind], verbs[i].verb))
+                                break;
+
+                if (i >= ELEMENTSOF(verbs)) {
+                        log_error("Unknown operation %s", argv[optind]);
+                        return -EINVAL;
+                }
+        }
+
+        switch (verbs[i].argc_cmp) {
+
+        case EQUAL:
+                if (left != verbs[i].argc) {
+                        log_error("Invalid number of arguments.");
+                        return -EINVAL;
+                }
+
+                break;
+
+        case MORE:
+                if (left < verbs[i].argc) {
+                        log_error("Too few arguments.");
+                        return -EINVAL;
+                }
+
+                break;
+
+        case LESS:
+                if (left > verbs[i].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 (!streq(verbs[i].verb, "enable") &&
+            !streq(verbs[i].verb, "disable") &&
+            !streq(verbs[i].verb, "is-enabled") &&
+            !streq(verbs[i].verb, "list-unit-files") &&
+            !streq(verbs[i].verb, "reenable") &&
+            !streq(verbs[i].verb, "preset") &&
+            !streq(verbs[i].verb, "mask") &&
+            !streq(verbs[i].verb, "unmask") &&
+            !streq(verbs[i].verb, "link")) {
+
+                if (running_in_chroot() > 0) {
+                        log_info("Running in chroot, ignoring request.");
+                        return 0;
+                }
+
+                if (!bus) {
+                        log_error("Failed to get D-Bus connection: %s",
+                                  dbus_error_is_set(error) ? error->message : "No connection to service manager.");
+                        return -EIO;
+                }
+
+        } else {
+
+                if (!bus && !avoid_bus()) {
+                        log_error("Failed to get D-Bus connection: %s",
+                                  dbus_error_is_set(error) ? error->message : "No connection to service manager.");
+                        return -EIO;
+                }
+        }
+
+        return verbs[i].dispatch(bus, argv + optind);
+}
+
+static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) {
+        int fd;
+        struct msghdr msghdr;
+        struct iovec iovec[2];
+        union sockaddr_union sockaddr;
+        struct sd_shutdown_command c;
+
+        fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
+        if (fd < 0)
+                return -errno;
+
+        zero(c);
+        c.usec = t;
+        c.mode = mode;
+        c.dry_run = dry_run;
+        c.warn_wall = warn;
+
+        zero(sockaddr);
+        sockaddr.sa.sa_family = AF_UNIX;
+        strncpy(sockaddr.un.sun_path, "/run/systemd/shutdownd", sizeof(sockaddr.un.sun_path));
+
+        zero(msghdr);
+        msghdr.msg_name = &sockaddr;
+        msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + sizeof("/run/systemd/shutdownd") - 1;
+
+        zero(iovec);
+        iovec[0].iov_base = (char*) &c;
+        iovec[0].iov_len = offsetof(struct sd_shutdown_command, wall_message);
+
+        if (isempty(message))
+                msghdr.msg_iovlen = 1;
+        else {
+                iovec[1].iov_base = (char*) message;
+                iovec[1].iov_len = strlen(message);
+                msghdr.msg_iovlen = 2;
+        }
+        msghdr.msg_iov = iovec;
+
+        if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
+                close_nointr_nofail(fd);
+                return -errno;
+        }
+
+        close_nointr_nofail(fd);
+        return 0;
+}
+
+static int reload_with_fallback(DBusConnection *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) {
+                log_error("kill() failed: %m");
+                return -errno;
+        }
+
+        return 0;
+}
+
+static int start_with_fallback(DBusConnection *bus) {
+
+        if (bus) {
+                /* First, try systemd via D-Bus. */
+                if (start_unit(bus, NULL) >= 0)
+                        goto done;
+        }
+
+        /* Hmm, talking to systemd via D-Bus didn't work. Then
+         * let's try to talk to Upstart via D-Bus. */
+        if (talk_upstart() > 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 void halt_now(enum action a) {
+
+       /* 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);
+                break;
+
+        case ACTION_POWEROFF:
+                log_info("Powering off.");
+                reboot(RB_POWER_OFF);
+                break;
+
+        case ACTION_REBOOT:
+                log_info("Rebooting.");
+                reboot(RB_AUTOBOOT);
+                break;
+
+        default:
+                assert_not_reached("Unknown halt action.");
+        }
+
+        assert_not_reached("Uh? This shouldn't happen.");
+}
+
+static int halt_main(DBusConnection *bus) {
+        int 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_immediate &&
+                    (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) {
+                char *m;
+
+                m = strv_join(arg_wall, " ");
+                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);
+                free(m);
+
+                if (r < 0)
+                        log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
+                else {
+                        char date[FORMAT_TIMESTAMP_MAX];
+
+                        log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
+                                 format_timestamp(date, sizeof(date), arg_when));
+                        return 0;
+                }
+        }
+
+        if (!arg_dry && !arg_immediate)
+                return start_with_fallback(bus);
+
+        if (!arg_no_wtmp) {
+                if (sd_booted() > 0)
+                        log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+                else {
+                        r = utmp_put_shutdown();
+                        if (r < 0)
+                                log_warning("Failed to write utmp record: %s", strerror(-r));
+                }
+        }
+
+        if (!arg_no_sync)
+                sync();
+
+        if (arg_dry)
+                return 0;
+
+        halt_now(arg_action);
+        /* We should never reach this. */
+        return -ENOSYS;
+}
+
+static int runlevel_main(void) {
+        int r, runlevel, previous;
+
+        r = utmp_get_runlevel(&runlevel, &previous);
+        if (r < 0) {
+                puts("unknown");
+                return r;
+        }
+
+        printf("%c %c\n",
+               previous <= 0 ? 'N' : previous,
+               runlevel <= 0 ? 'N' : runlevel);
+
+        return 0;
+}
+
+int main(int argc, char*argv[]) {
+        int r, retval = EXIT_FAILURE;
+        DBusConnection *bus = NULL;
+        DBusError error;
+
+        dbus_error_init(&error);
+
+        log_parse_environment();
+        log_open();
+
+        r = parse_argv(argc, argv);
+        if (r < 0)
+                goto finish;
+        else if (r == 0) {
+                retval = EXIT_SUCCESS;
+                goto finish;
+        }
+
+        /* /sbin/runlevel doesn't need to communicate via D-Bus, so
+         * let's shortcut this */
+        if (arg_action == ACTION_RUNLEVEL) {
+                r = runlevel_main();
+                retval = r < 0 ? EXIT_FAILURE : r;
+                goto finish;
+        }
+
+        if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) {
+                log_info("Running in chroot, ignoring request.");
+                retval = 0;
+                goto finish;
+        }
+
+        if (!avoid_bus()) {
+                if (arg_transport == TRANSPORT_NORMAL)
+                        bus_connect(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &bus, &private_bus, &error);
+                else if (arg_transport == TRANSPORT_POLKIT) {
+                        bus_connect_system_polkit(&bus, &error);
+                        private_bus = false;
+                } else if (arg_transport == TRANSPORT_SSH) {
+                        bus_connect_system_ssh(NULL, arg_host, &bus, &error);
+                        private_bus = false;
+                } else
+                        assert_not_reached("Uh, invalid transport...");
+        }
+
+        switch (arg_action) {
+
+        case ACTION_SYSTEMCTL:
+                r = systemctl_main(bus, argc, argv, &error);
+                break;
+
+        case ACTION_HALT:
+        case ACTION_POWEROFF:
+        case ACTION_REBOOT:
+        case ACTION_KEXEC:
+                r = halt_main(bus);
+                break;
+
+        case ACTION_RUNLEVEL2:
+        case ACTION_RUNLEVEL3:
+        case ACTION_RUNLEVEL4:
+        case ACTION_RUNLEVEL5:
+        case ACTION_RESCUE:
+        case ACTION_EMERGENCY:
+        case ACTION_DEFAULT:
+                r = start_with_fallback(bus);
+                break;
+
+        case ACTION_RELOAD:
+        case ACTION_REEXEC:
+                r = reload_with_fallback(bus);
+                break;
+
+        case ACTION_CANCEL_SHUTDOWN:
+                r = send_shutdownd(0, 0, false, false, NULL);
+                break;
+
+        case ACTION_INVALID:
+        case ACTION_RUNLEVEL:
+        default:
+                assert_not_reached("Unknown action");
+        }
+
+        retval = r < 0 ? EXIT_FAILURE : r;
+
+finish:
+        if (bus) {
+                dbus_connection_flush(bus);
+                dbus_connection_close(bus);
+                dbus_connection_unref(bus);
+        }
+
+        dbus_error_free(&error);
+
+        dbus_shutdown();
+
+        strv_free(arg_property);
+
+        pager_close();
+        ask_password_agent_close();
+        polkit_agent_close();
+
+        return retval;
+}