./move.sh

1 files changed, 2305 insertions, 0 deletions

diff --git a/src/libcore/dbus-manager.c b/src/libcore/dbus-manager.c
new file mode 100644
index 0000000000..86722e1162
--- /dev/null
+++ b/src/libcore/dbus-manager.c
@@ -0,0 +1,2305 @@
+/***
+  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 <errno.h>
+#include <sys/prctl.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "architecture.h"
+#include "build.h"
+#include "bus-common-errors.h"
+#include "clock-util.h"
+#include "dbus-execute.h"
+#include "dbus-job.h"
+#include "dbus-manager.h"
+#include "dbus-unit.h"
+#include "dbus.h"
+#include "env-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "formats-util.h"
+#include "install.h"
+#include "log.h"
+#include "path-util.h"
+#include "selinux-access.h"
+#include "stat-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "syslog-util.h"
+#include "virt.h"
+#include "watchdog.h"
+
+static int property_get_version(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        assert(bus);
+        assert(reply);
+
+        return sd_bus_message_append(reply, "s", PACKAGE_VERSION);
+}
+
+static int property_get_features(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        assert(bus);
+        assert(reply);
+
+        return sd_bus_message_append(reply, "s", SYSTEMD_FEATURES);
+}
+
+static int property_get_virtualization(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        int v;
+
+        assert(bus);
+        assert(reply);
+
+        v = detect_virtualization();
+
+        /* Make sure to return the empty string when we detect no virtualization, as that is the API.
+         *
+         * https://github.com/systemd/systemd/issues/1423
+         */
+
+        return sd_bus_message_append(
+                        reply, "s",
+                        v == VIRTUALIZATION_NONE ? "" : virtualization_to_string(v));
+}
+
+static int property_get_architecture(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        assert(bus);
+        assert(reply);
+
+        return sd_bus_message_append(reply, "s", architecture_to_string(uname_architecture()));
+}
+
+static int property_get_tainted(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        char buf[sizeof("split-usr:cgroups-missing:local-hwclock:")] = "", *e = buf;
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        if (m->taint_usr)
+                e = stpcpy(e, "split-usr:");
+
+        if (access("/proc/cgroups", F_OK) < 0)
+                e = stpcpy(e, "cgroups-missing:");
+
+        if (clock_is_localtime(NULL) > 0)
+                e = stpcpy(e, "local-hwclock:");
+
+        /* remove the last ':' */
+        if (e != buf)
+                e[-1] = 0;
+
+        return sd_bus_message_append(reply, "s", buf);
+}
+
+static int property_get_log_target(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        assert(bus);
+        assert(reply);
+
+        return sd_bus_message_append(reply, "s", log_target_to_string(log_get_target()));
+}
+
+static int property_set_log_target(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *value,
+                void *userdata,
+                sd_bus_error *error) {
+
+        const char *t;
+        int r;
+
+        assert(bus);
+        assert(value);
+
+        r = sd_bus_message_read(value, "s", &t);
+        if (r < 0)
+                return r;
+
+        return log_set_target_from_string(t);
+}
+
+static int property_get_log_level(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_free_ char *t = NULL;
+        int r;
+
+        assert(bus);
+        assert(reply);
+
+        r = log_level_to_string_alloc(log_get_max_level(), &t);
+        if (r < 0)
+                return r;
+
+        return sd_bus_message_append(reply, "s", t);
+}
+
+static int property_set_log_level(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *value,
+                void *userdata,
+                sd_bus_error *error) {
+
+        const char *t;
+        int r;
+
+        assert(bus);
+        assert(value);
+
+        r = sd_bus_message_read(value, "s", &t);
+        if (r < 0)
+                return r;
+
+        r = log_set_max_level_from_string(t);
+        if (r == 0)
+                log_info("Setting log level to %s.", t);
+        return r;
+}
+
+static int property_get_n_names(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->units));
+}
+
+static int property_get_n_failed_units(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        return sd_bus_message_append(reply, "u", (uint32_t) set_size(m->failed_units));
+}
+
+static int property_get_n_jobs(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->jobs));
+}
+
+static int property_get_progress(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Manager *m = userdata;
+        double d;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        if (dual_timestamp_is_set(&m->finish_timestamp))
+                d = 1.0;
+        else
+                d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs);
+
+        return sd_bus_message_append(reply, "d", d);
+}
+
+static int property_get_system_state(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        return sd_bus_message_append(reply, "s", manager_state_to_string(manager_state(m)));
+}
+
+static int property_set_runtime_watchdog(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *value,
+                void *userdata,
+                sd_bus_error *error) {
+
+        usec_t *t = userdata;
+        int r;
+
+        assert(bus);
+        assert(value);
+
+        assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+
+        r = sd_bus_message_read(value, "t", t);
+        if (r < 0)
+                return r;
+
+        return watchdog_set_timeout(t);
+}
+
+static int property_get_timer_slack_nsec(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        assert(bus);
+        assert(reply);
+
+        return sd_bus_message_append(reply, "t", (uint64_t) prctl(PR_GET_TIMERSLACK));
+}
+
+static int method_get_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *path = NULL;
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        if (isempty(name)) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+                pid_t pid;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
+
+                u = manager_get_unit_by_pid(m, pid);
+                if (!u)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit.");
+        } else {
+                u = manager_get_unit(m, name);
+                if (!u)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name);
+        }
+
+        r = mac_selinux_unit_access_check(u, message, "status", error);
+        if (r < 0)
+                return r;
+
+        path = unit_dbus_path(u);
+        if (!path)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", path);
+}
+
+static int method_get_unit_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *path = NULL;
+        Manager *m = userdata;
+        pid_t pid;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        assert_cc(sizeof(pid_t) == sizeof(uint32_t));
+
+        /* Anyone can call this method */
+
+        r = sd_bus_message_read(message, "u", &pid);
+        if (r < 0)
+                return r;
+        if (pid < 0)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PID " PID_FMT, pid);
+
+        if (pid == 0) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
+        }
+
+        u = manager_get_unit_by_pid(m, pid);
+        if (!u)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID "PID_FMT" does not belong to any loaded unit.", pid);
+
+        r = mac_selinux_unit_access_check(u, message, "status", error);
+        if (r < 0)
+                return r;
+
+        path = unit_dbus_path(u);
+        if (!path)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", path);
+}
+
+static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *path = NULL;
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        if (isempty(name)) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+                pid_t pid;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
+
+                u = manager_get_unit_by_pid(m, pid);
+                if (!u)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Client not member of any unit.");
+        } else {
+                r = manager_load_unit(m, name, NULL, error, &u);
+                if (r < 0)
+                        return r;
+        }
+
+        r = mac_selinux_unit_access_check(u, message, "status", error);
+        if (r < 0)
+                return r;
+
+        path = unit_dbus_path(u);
+        if (!path)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", path);
+}
+
+static int method_start_unit_generic(sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) {
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        r = manager_load_unit(m, name, NULL, error, &u);
+        if (r < 0)
+                return r;
+
+        return bus_unit_method_start_generic(message, u, job_type, reload_if_possible, error);
+}
+
+static int method_start_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_START, false, error);
+}
+
+static int method_stop_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_STOP, false, error);
+}
+
+static int method_reload_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_RELOAD, false, error);
+}
+
+static int method_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_RESTART, false, error);
+}
+
+static int method_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, false, error);
+}
+
+static int method_reload_or_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_RESTART, true, error);
+}
+
+static int method_reload_or_try_restart_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_start_unit_generic(message, userdata, JOB_TRY_RESTART, true, error);
+}
+
+static int method_start_unit_replace(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *old_name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &old_name);
+        if (r < 0)
+                return r;
+
+        u = manager_get_unit(m, old_name);
+        if (!u || !u->job || u->job->type != JOB_START)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name);
+
+        return method_start_unit_generic(message, m, JOB_START, false, error);
+}
+
+static int method_kill_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        u = manager_get_unit(m, name);
+        if (!u)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+
+        return bus_unit_method_kill(message, u, error);
+}
+
+static int method_reset_failed_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        u = manager_get_unit(m, name);
+        if (!u)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name);
+
+        return bus_unit_method_reset_failed(message, u, error);
+}
+
+static int method_set_unit_properties(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        r = manager_load_unit(m, name, NULL, error, &u);
+        if (r < 0)
+                return r;
+
+        r = bus_unit_check_load_state(u, error);
+        if (r < 0)
+                return r;
+
+        return bus_unit_method_set_properties(message, u, error);
+}
+
+static int reply_unit_info(sd_bus_message *reply, Unit *u) {
+        _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
+        Unit *following;
+
+        following = unit_following(u);
+
+        unit_path = unit_dbus_path(u);
+        if (!unit_path)
+                return -ENOMEM;
+
+        if (u->job) {
+                job_path = job_dbus_path(u->job);
+                if (!job_path)
+                        return -ENOMEM;
+        }
+
+        return sd_bus_message_append(
+                        reply, "(ssssssouso)",
+                        u->id,
+                        unit_description(u),
+                        unit_load_state_to_string(u->load_state),
+                        unit_active_state_to_string(unit_active_state(u)),
+                        unit_sub_state_to_string(u),
+                        following ? following->id : "",
+                        unit_path,
+                        u->job ? u->job->id : 0,
+                        u->job ? job_type_to_string(u->job->type) : "",
+                        job_path ? job_path : "/");
+}
+
+static int method_list_units_by_names(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Manager *m = userdata;
+        int r;
+        char **unit;
+        _cleanup_strv_free_ char **units = NULL;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read_strv(message, &units);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH(unit, units) {
+                Unit *u;
+
+                if (!unit_name_is_valid(*unit, UNIT_NAME_ANY))
+                        continue;
+
+                r = manager_load_unit(m, *unit, NULL, error, &u);
+                if (r < 0)
+                        return r;
+
+                r = reply_unit_info(reply, u);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_get_unit_processes(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        r = manager_load_unit(m, name, NULL, error, &u);
+        if (r < 0)
+                return r;
+
+        r = bus_unit_check_load_state(u, error);
+        if (r < 0)
+                return r;
+
+        return bus_unit_method_get_processes(message, u, error);
+}
+
+static int transient_unit_from_message(
+                Manager *m,
+                sd_bus_message *message,
+                const char *name,
+                Unit **unit,
+                sd_bus_error *error) {
+
+        UnitType t;
+        Unit *u;
+        int r;
+
+        assert(m);
+        assert(message);
+        assert(name);
+
+        t = unit_name_to_type(name);
+        if (t < 0)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name or type.");
+
+        if (!unit_vtable[t]->can_transient)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit type %s does not support transient units.", unit_type_to_string(t));
+
+        r = manager_load_unit(m, name, NULL, error, &u);
+        if (r < 0)
+                return r;
+
+        if (!unit_is_pristine(u))
+                return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "Unit %s already exists.", name);
+
+        /* OK, the unit failed to load and is unreferenced, now let's
+         * fill in the transient data instead */
+        r = unit_make_transient(u);
+        if (r < 0)
+                return r;
+
+        /* Set our properties */
+        r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error);
+        if (r < 0)
+                return r;
+
+        /* Now load the missing bits of the unit we just created */
+        manager_dispatch_load_queue(m);
+
+        *unit = u;
+
+        return 0;
+}
+
+static int transient_aux_units_from_message(
+                Manager *m,
+                sd_bus_message *message,
+                sd_bus_error *error) {
+
+        int r;
+
+        assert(m);
+        assert(message);
+
+        r = sd_bus_message_enter_container(message, 'a', "(sa(sv))");
+        if (r < 0)
+                return r;
+
+        while ((r = sd_bus_message_enter_container(message, 'r', "sa(sv)")) > 0) {
+                const char *name = NULL;
+                Unit *u;
+
+                r = sd_bus_message_read(message, "s", &name);
+                if (r < 0)
+                        return r;
+
+                r = transient_unit_from_message(m, message, name, &u, error);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_exit_container(message);
+                if (r < 0)
+                        return r;
+        }
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_exit_container(message);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
+
+static int method_start_transient_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        const char *name, *smode;
+        Manager *m = userdata;
+        JobMode mode;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "start", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "ss", &name, &smode);
+        if (r < 0)
+                return r;
+
+        mode = job_mode_from_string(smode);
+        if (mode < 0)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode);
+
+        r = bus_verify_manage_units_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = transient_unit_from_message(m, message, name, &u, error);
+        if (r < 0)
+                return r;
+
+        r = transient_aux_units_from_message(m, message, error);
+        if (r < 0)
+                return r;
+
+        /* Finally, start it */
+        return bus_unit_queue_job(message, u, JOB_START, mode, false, error);
+}
+
+static int method_get_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *path = NULL;
+        Manager *m = userdata;
+        uint32_t id;
+        Job *j;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = sd_bus_message_read(message, "u", &id);
+        if (r < 0)
+                return r;
+
+        j = manager_get_job(m, id);
+        if (!j)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
+
+        r = mac_selinux_unit_access_check(j->unit, message, "status", error);
+        if (r < 0)
+                return r;
+
+        path = job_dbus_path(j);
+        if (!path)
+                return -ENOMEM;
+
+        return sd_bus_reply_method_return(message, "o", path);
+}
+
+static int method_cancel_job(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        uint32_t id;
+        Job *j;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "u", &id);
+        if (r < 0)
+                return r;
+
+        j = manager_get_job(m, id);
+        if (!j)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
+
+        return bus_job_method_cancel(message, j, error);
+}
+
+static int method_clear_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_units_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        manager_clear_jobs(m);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_reset_failed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_units_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        manager_reset_failed(m);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Manager *m = userdata;
+        const char *k;
+        Iterator i;
+        Unit *u;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)");
+        if (r < 0)
+                return r;
+
+        HASHMAP_FOREACH_KEY(u, k, m->units, i) {
+                if (k != u->id)
+                        continue;
+
+                if (!strv_isempty(states) &&
+                    !strv_contains(states, unit_load_state_to_string(u->load_state)) &&
+                    !strv_contains(states, unit_active_state_to_string(unit_active_state(u))) &&
+                    !strv_contains(states, unit_sub_state_to_string(u)))
+                        continue;
+
+                if (!strv_isempty(patterns) &&
+                    !strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
+                        continue;
+
+                r = reply_unit_info(reply, u);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_list_units(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return list_units_filtered(message, userdata, error, NULL, NULL);
+}
+
+static int method_list_units_filtered(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **states = NULL;
+        int r;
+
+        r = sd_bus_message_read_strv(message, &states);
+        if (r < 0)
+                return r;
+
+        return list_units_filtered(message, userdata, error, states, NULL);
+}
+
+static int method_list_units_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **states = NULL;
+        _cleanup_strv_free_ char **patterns = NULL;
+        int r;
+
+        r = sd_bus_message_read_strv(message, &states);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &patterns);
+        if (r < 0)
+                return r;
+
+        return list_units_filtered(message, userdata, error, states, patterns);
+}
+
+static int method_list_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Manager *m = userdata;
+        Iterator i;
+        Job *j;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(usssoo)");
+        if (r < 0)
+                return r;
+
+        HASHMAP_FOREACH(j, m->jobs, i) {
+                _cleanup_free_ char *unit_path = NULL, *job_path = NULL;
+
+                job_path = job_dbus_path(j);
+                if (!job_path)
+                        return -ENOMEM;
+
+                unit_path = unit_dbus_path(j->unit);
+                if (!unit_path)
+                        return -ENOMEM;
+
+                r = sd_bus_message_append(
+                                reply, "(usssoo)",
+                                j->id,
+                                j->unit->id,
+                                job_type_to_string(j->type),
+                                job_state_to_string(j->state),
+                                job_path,
+                                unit_path);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+}
+
+static int method_subscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        if (sd_bus_message_get_bus(message) == m->api_bus) {
+
+                /* Note that direct bus connection subscribe by
+                 * default, we only track peers on the API bus here */
+
+                if (!m->subscribed) {
+                        r = sd_bus_track_new(sd_bus_message_get_bus(message), &m->subscribed, NULL, NULL);
+                        if (r < 0)
+                                return r;
+                }
+
+                r = sd_bus_track_add_sender(m->subscribed, message);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return sd_bus_error_setf(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed.");
+        }
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_unsubscribe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        if (sd_bus_message_get_bus(message) == m->api_bus) {
+                r = sd_bus_track_remove_sender(m->subscribed, message);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return sd_bus_error_setf(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed.");
+        }
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *dump = NULL;
+        _cleanup_fclose_ FILE *f = NULL;
+        Manager *m = userdata;
+        size_t size;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        f = open_memstream(&dump, &size);
+        if (!f)
+                return -ENOMEM;
+
+        manager_dump_units(m, f, NULL);
+        manager_dump_jobs(m, f, NULL);
+
+        r = fflush_and_check(f);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "s", dump);
+}
+
+static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed.");
+}
+
+static int method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_reload_daemon_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        /* Instead of sending the reply back right away, we just
+         * remember that we need to and then send it after the reload
+         * is finished. That way the caller knows when the reload
+         * finished. */
+
+        assert(!m->queued_message);
+        r = sd_bus_message_new_method_return(message, &m->queued_message);
+        if (r < 0)
+                return r;
+
+        m->exit_code = MANAGER_RELOAD;
+
+        return 1;
+}
+
+static int method_reexecute(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_reload_daemon_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        /* We don't send a reply back here, the client should
+         * just wait for us disconnecting. */
+
+        m->exit_code = MANAGER_REEXECUTE;
+        return 1;
+}
+
+static int method_exit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "halt", error);
+        if (r < 0)
+                return r;
+
+        /* Exit() (in contrast to SetExitCode()) is actually allowed even if
+         * we are running on the host. It will fall back on reboot() in
+         * systemd-shutdown if it cannot do the exit() because it isn't a
+         * container. */
+
+        m->exit_code = MANAGER_EXIT;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reboot", error);
+        if (r < 0)
+                return r;
+
+        if (!MANAGER_IS_SYSTEM(m))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers.");
+
+        m->exit_code = MANAGER_REBOOT;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "halt", error);
+        if (r < 0)
+                return r;
+
+        if (!MANAGER_IS_SYSTEM(m))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers.");
+
+        m->exit_code = MANAGER_POWEROFF;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "halt", error);
+        if (r < 0)
+                return r;
+
+        if (!MANAGER_IS_SYSTEM(m))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Halt is only supported for system managers.");
+
+        m->exit_code = MANAGER_HALT;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_kexec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reboot", error);
+        if (r < 0)
+                return r;
+
+        if (!MANAGER_IS_SYSTEM(m))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "KExec is only supported for system managers.");
+
+        m->exit_code = MANAGER_KEXEC;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_switch_root(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        char *ri = NULL, *rt = NULL;
+        const char *root, *init;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reboot", error);
+        if (r < 0)
+                return r;
+
+        if (!MANAGER_IS_SYSTEM(m))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Root switching is only supported by system manager.");
+
+        r = sd_bus_message_read(message, "ss", &root, &init);
+        if (r < 0)
+                return r;
+
+        if (path_equal(root, "/") || !path_is_absolute(root))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid switch root path %s", root);
+
+        /* Safety check */
+        if (isempty(init)) {
+                if (!path_is_os_tree(root))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified switch root path %s does not seem to be an OS tree. os-release file is missing.", root);
+        } else {
+                _cleanup_free_ char *p = NULL;
+
+                if (!path_is_absolute(init))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid init path %s", init);
+
+                p = strappend(root, init);
+                if (!p)
+                        return -ENOMEM;
+
+                if (access(p, X_OK) < 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified init binary %s does not exist.", p);
+        }
+
+        rt = strdup(root);
+        if (!rt)
+                return -ENOMEM;
+
+        if (!isempty(init)) {
+                ri = strdup(init);
+                if (!ri) {
+                        free(rt);
+                        return -ENOMEM;
+                }
+        }
+
+        free(m->switch_root);
+        m->switch_root = rt;
+
+        free(m->switch_root_init);
+        m->switch_root_init = ri;
+
+        m->exit_code = MANAGER_SWITCH_ROOT;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **plus = NULL;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &plus);
+        if (r < 0)
+                return r;
+        if (!strv_env_is_valid(plus))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
+
+        r = bus_verify_set_environment_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = manager_environment_add(m, NULL, plus);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_unset_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **minus = NULL;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &minus);
+        if (r < 0)
+                return r;
+
+        if (!strv_env_name_or_assignment_is_valid(minus))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments");
+
+        r = bus_verify_set_environment_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = manager_environment_add(m, minus, NULL);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_unset_and_set_environment(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **minus = NULL, **plus = NULL;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "reload", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &minus);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &plus);
+        if (r < 0)
+                return r;
+
+        if (!strv_env_name_or_assignment_is_valid(minus))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments");
+        if (!strv_env_is_valid(plus))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments");
+
+        r = bus_verify_set_environment_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = manager_environment_add(m, minus, plus);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_set_exit_code(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        uint8_t code;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "exit", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_basic(message, 'y', &code);
+        if (r < 0)
+                return r;
+
+        if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "ExitCode can only be set for user service managers or in containers.");
+
+        m->return_value = code;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        Manager *m = userdata;
+        UnitFileList *item;
+        Hashmap *h;
+        Iterator i;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        h = hashmap_new(&string_hash_ops);
+        if (!h)
+                return -ENOMEM;
+
+        r = unit_file_get_list(m->unit_file_scope, NULL, h, states, patterns);
+        if (r < 0)
+                goto fail;
+
+        r = sd_bus_message_open_container(reply, 'a', "(ss)");
+        if (r < 0)
+                goto fail;
+
+        HASHMAP_FOREACH(item, h, i) {
+
+                r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state));
+                if (r < 0)
+                        goto fail;
+        }
+
+        unit_file_list_free(h);
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(NULL, reply, NULL);
+
+fail:
+        unit_file_list_free(h);
+        return r;
+}
+
+static int method_list_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return list_unit_files_by_patterns(message, userdata, error, NULL, NULL);
+}
+
+static int method_list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **states = NULL;
+        _cleanup_strv_free_ char **patterns = NULL;
+        int r;
+
+        r = sd_bus_message_read_strv(message, &states);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read_strv(message, &patterns);
+        if (r < 0)
+                return r;
+
+        return list_unit_files_by_patterns(message, userdata, error, states, patterns);
+}
+
+static int method_get_unit_file_state(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Manager *m = userdata;
+        const char *name;
+        UnitFileState state;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "s", &name);
+        if (r < 0)
+                return r;
+
+        r = unit_file_get_state(m->unit_file_scope, NULL, name, &state);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state));
+}
+
+static int method_get_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *default_target = NULL;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        /* Anyone can call this method */
+
+        r = mac_selinux_access_check(message, "status", error);
+        if (r < 0)
+                return r;
+
+        r = unit_file_get_default(m->unit_file_scope, NULL, &default_target);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, "s", default_target);
+}
+
+static int send_unit_files_changed(sd_bus *bus, void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
+        int r;
+
+        assert(bus);
+
+        r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged");
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(bus, message, NULL);
+}
+
+static int reply_unit_file_changes_and_free(
+                Manager *m,
+                sd_bus_message *message,
+                int carries_install_info,
+                UnitFileChange *changes,
+                unsigned n_changes) {
+
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        unsigned i;
+        int r;
+
+        if (unit_file_changes_have_modification(changes, n_changes)) {
+                r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL);
+                if (r < 0)
+                        log_debug_errno(r, "Failed to send UnitFilesChanged signal: %m");
+        }
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                goto fail;
+
+        if (carries_install_info >= 0) {
+                r = sd_bus_message_append(reply, "b", carries_install_info);
+                if (r < 0)
+                        goto fail;
+        }
+
+        r = sd_bus_message_open_container(reply, 'a', "(sss)");
+        if (r < 0)
+                goto fail;
+
+        for (i = 0; i < n_changes; i++)
+                if (changes[i].type >= 0) {
+                        const char *change = unit_file_change_type_to_string(changes[i].type);
+                        assert(change != NULL);
+
+                        r = sd_bus_message_append(
+                                        reply, "(sss)",
+                                        change,
+                                        changes[i].path,
+                                        changes[i].source);
+                        if (r < 0)
+                                goto fail;
+                }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                goto fail;
+
+        unit_file_changes_free(changes, n_changes);
+        return sd_bus_send(NULL, reply, NULL);
+
+fail:
+        unit_file_changes_free(changes, n_changes);
+        return r;
+}
+
+/* Create an error reply, using the error information from changes[]
+ * if possible, and fall back to generating an error from error code c.
+ * The error message only describes the first error.
+ *
+ * Coordinate with unit_file_dump_changes() in install.c.
+ */
+static int install_error(
+                sd_bus_error *error,
+                int c,
+                UnitFileChange *changes,
+                unsigned n_changes) {
+        int r;
+        unsigned i;
+        assert(c < 0);
+
+        for (i = 0; i < n_changes; i++)
+                switch(changes[i].type) {
+                case 0 ... INT_MAX:
+                        continue;
+                case -EEXIST:
+                        if (changes[i].source)
+                                r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
+                                                      "File %s already exists and is a symlink to %s.",
+                                                      changes[i].path, changes[i].source);
+                        else
+                                r = sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS,
+                                                      "File %s already exists.",
+                                                      changes[i].path);
+                        goto found;
+                case -ERFKILL:
+                        r = sd_bus_error_setf(error, BUS_ERROR_UNIT_MASKED,
+                                              "Unit file %s is masked.", changes[i].path);
+                        goto found;
+                case -EADDRNOTAVAIL:
+                        r = sd_bus_error_setf(error, BUS_ERROR_UNIT_GENERATED,
+                                              "Unit %s is transient or generated.", changes[i].path);
+                        goto found;
+                case -ELOOP:
+                        r = sd_bus_error_setf(error, BUS_ERROR_UNIT_LINKED,
+                                              "Refusing to operate on linked unit file %s", changes[i].path);
+                        goto found;
+                default:
+                        r = sd_bus_error_set_errnof(error, changes[i].type, "File %s: %m", changes[i].path);
+                        goto found;
+                }
+
+        r = c;
+ found:
+        unit_file_changes_free(changes, n_changes);
+        return r;
+}
+
+static int method_enable_unit_files_generic(
+                sd_bus_message *message,
+                Manager *m,
+                int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes),
+                bool carries_install_info,
+                sd_bus_error *error) {
+
+        _cleanup_strv_free_ char **l = NULL;
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        int runtime, force, r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read_strv(message, &l);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "bb", &runtime, &force);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = call(m->unit_file_scope, runtime, NULL, l, force, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, carries_install_info ? r : -1, changes, n_changes);
+}
+
+static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error);
+}
+
+static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_enable_unit_files_generic(message, userdata, unit_file_reenable, true, error);
+}
+
+static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error);
+}
+
+static int unit_file_preset_without_mode(UnitFileScope scope, bool runtime, const char *root_dir, char **files, bool force, UnitFileChange **changes, unsigned *n_changes) {
+        return unit_file_preset(scope, runtime, root_dir, files, UNIT_FILE_PRESET_FULL, force, changes, n_changes);
+}
+
+static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, true, error);
+}
+
+static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_enable_unit_files_generic(message, userdata, unit_file_mask, false, error);
+}
+
+static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+
+        _cleanup_strv_free_ char **l = NULL;
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        Manager *m = userdata;
+        UnitFilePresetMode mm;
+        int runtime, force, r;
+        const char *mode;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read_strv(message, &l);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
+        if (r < 0)
+                return r;
+
+        if (isempty(mode))
+                mm = UNIT_FILE_PRESET_FULL;
+        else {
+                mm = unit_file_preset_mode_from_string(mode);
+                if (mm < 0)
+                        return -EINVAL;
+        }
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = unit_file_preset(m->unit_file_scope, runtime, NULL, l, mm, force, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, r, changes, n_changes);
+}
+
+static int method_disable_unit_files_generic(
+                sd_bus_message *message,
+                Manager *m,
+                int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes),
+                sd_bus_error *error) {
+
+        _cleanup_strv_free_ char **l = NULL;
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        int r, runtime;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read_strv(message, &l);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "b", &runtime);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = call(m->unit_file_scope, runtime, NULL, l, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes);
+}
+
+static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_disable_unit_files_generic(message, userdata, unit_file_disable, error);
+}
+
+static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        return method_disable_unit_files_generic(message, userdata, unit_file_unmask, error);
+}
+
+static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read_strv(message, &l);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = unit_file_revert(m->unit_file_scope, NULL, l, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes);
+}
+
+static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        Manager *m = userdata;
+        const char *name;
+        int force, r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "enable", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "sb", &name, &force);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = unit_file_set_default(m->unit_file_scope, NULL, name, force, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes);
+}
+
+static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        Manager *m = userdata;
+        UnitFilePresetMode mm;
+        const char *mode;
+        int force, runtime, r;
+
+        assert(message);
+        assert(m);
+
+        r = mac_selinux_access_check(message, "enable", error);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force);
+        if (r < 0)
+                return r;
+
+        if (isempty(mode))
+                mm = UNIT_FILE_PRESET_FULL;
+        else {
+                mm = unit_file_preset_mode_from_string(mode);
+                if (mm < 0)
+                        return -EINVAL;
+        }
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = unit_file_preset_all(m->unit_file_scope, runtime, NULL, mm, force, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes);
+}
+
+static int method_add_dependency_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        Manager *m = userdata;
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        int runtime, force, r;
+        char *target, *type;
+        UnitDependency dep;
+
+        assert(message);
+        assert(m);
+
+        r = bus_verify_manage_unit_files_async(m, message, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+        r = sd_bus_message_read_strv(message, &l);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_read(message, "ssbb", &target, &type, &runtime, &force);
+        if (r < 0)
+                return r;
+
+        dep = unit_dependency_from_string(type);
+        if (dep < 0)
+                return -EINVAL;
+
+        r = unit_file_add_dependency(m->unit_file_scope, runtime, NULL, l, target, dep, force, &changes, &n_changes);
+        if (r < 0)
+                return install_error(error, r, changes, n_changes);
+
+        return reply_unit_file_changes_and_free(m, message, -1, changes, n_changes);
+}
+
+const sd_bus_vtable bus_manager_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, firmware_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, loader_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, kernel_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, initrd_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, userspace_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, security_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, security_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, generators_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, generators_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, units_load_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, units_load_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", property_get_log_level, property_set_log_level, 0, 0),
+        SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", property_get_log_target, property_set_log_target, 0, 0),
+        SD_BUS_PROPERTY("NNames", "u", property_get_n_names, 0, 0),
+        SD_BUS_PROPERTY("NFailedUnits", "u", property_get_n_failed_units, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("NJobs", "u", property_get_n_jobs, 0, 0),
+        SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0),
+        SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0),
+        SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0),
+        SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(Manager, environment), 0),
+        SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("ShowStatus", "b", bus_property_get_bool, offsetof(Manager, show_status), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", bus_property_get_usec, property_set_runtime_watchdog, offsetof(Manager, runtime_watchdog), 0),
+        SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", bus_property_get_usec, bus_property_set_usec, offsetof(Manager, shutdown_watchdog), 0),
+        SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0),
+        SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0),
+        SD_BUS_PROPERTY("ExitCode", "y", bus_property_get_unsigned, offsetof(Manager, return_value), 0),
+        SD_BUS_PROPERTY("DefaultTimerAccuracyUSec", "t", bus_property_get_usec, offsetof(Manager, default_timer_accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultTimeoutStartUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultTimeoutStopUSec", "t", bus_property_get_usec, offsetof(Manager, default_timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultRestartUSec", "t", bus_property_get_usec, offsetof(Manager, default_restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultStartLimitIntervalSec", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultStartLimitInterval", "t", bus_property_get_usec, offsetof(Manager, default_start_limit_interval), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), /* obsolete alias name */
+        SD_BUS_PROPERTY("DefaultStartLimitBurst", "u", bus_property_get_unsigned, offsetof(Manager, default_start_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultCPUAccounting", "b", bus_property_get_bool, offsetof(Manager, default_cpu_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultBlockIOAccounting", "b", bus_property_get_bool, offsetof(Manager, default_blockio_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultMemoryAccounting", "b", bus_property_get_bool, offsetof(Manager, default_memory_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultTasksAccounting", "b", bus_property_get_bool, offsetof(Manager, default_tasks_accounting), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitCPU", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitCPUSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitFSIZE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitDATA", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitDATASoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitSTACK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitCORE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitCORESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRSS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRSSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNOFILE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitAS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitASSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNPROC", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitLOCKS", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNICE", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitNICESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRTPRIO", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRTTIME", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultLimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(Manager, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("DefaultTasksMax", "t", NULL, offsetof(Manager, default_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+
+        SD_BUS_METHOD("GetUnit", "s", "o", method_get_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetUnitByPID", "u", "o", method_get_unit_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("LoadUnit", "s", "o", method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("StartUnit", "ss", "o", method_start_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("StartUnitReplace", "sss", "o", method_start_unit_replace, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("StopUnit", "ss", "o", method_stop_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ReloadUnit", "ss", "o", method_reload_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("RestartUnit", "ss", "o", method_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("StartTransientUnit", "ssa(sv)a(sa(sv))", "o", method_start_transient_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetUnitProcesses", "s", "a(sus)", method_get_unit_processes, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetJob", "u", "o", method_get_job, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("CancelJob", "u", NULL, method_cancel_job, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ClearJobs", NULL, NULL, method_clear_jobs, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ResetFailed", NULL, NULL, method_reset_failed, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnits", NULL, "a(ssssssouso)", method_list_units, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnitsFiltered", "as", "a(ssssssouso)", method_list_units_filtered, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnitsByPatterns", "asas", "a(ssssssouso)", method_list_units_by_patterns, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnitsByNames", "as", "a(ssssssouso)", method_list_units_by_names, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListJobs", NULL, "a(usssoo)", method_list_jobs, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Subscribe", NULL, NULL, method_subscribe, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Unsubscribe", NULL, NULL, method_unsubscribe, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Dump", NULL, "s", method_dump, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Reload", NULL, NULL, method_reload, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Exit", NULL, NULL, method_exit, 0),
+        SD_BUS_METHOD("Reboot", NULL, NULL, method_reboot, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
+        SD_BUS_METHOD("PowerOff", NULL, NULL, method_poweroff, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
+        SD_BUS_METHOD("Halt", NULL, NULL, method_halt, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
+        SD_BUS_METHOD("KExec", NULL, NULL, method_kexec, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
+        SD_BUS_METHOD("SwitchRoot", "ss", NULL, method_switch_root, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
+        SD_BUS_METHOD("SetEnvironment", "as", NULL, method_set_environment, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("UnsetEnvironment", "as", NULL, method_unset_environment, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("UnsetAndSetEnvironment", "asas", NULL, method_unset_and_set_environment, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnitFiles", NULL, "a(ss)", method_list_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ListUnitFilesByPatterns", "asas", "a(ss)", method_list_unit_files_by_patterns, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetUnitFileState", "s", "s", method_get_unit_file_state, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("EnableUnitFiles", "asbb", "ba(sss)", method_enable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("DisableUnitFiles", "asb", "a(sss)", method_disable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ReenableUnitFiles", "asbb", "ba(sss)", method_reenable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("LinkUnitFiles", "asbb", "a(sss)", method_link_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("PresetUnitFiles", "asbb", "ba(sss)", method_preset_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("PresetUnitFilesWithMode", "assbb", "ba(sss)", method_preset_unit_files_with_mode, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("MaskUnitFiles", "asbb", "a(sss)", method_mask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("UnmaskUnitFiles", "asb", "a(sss)", method_unmask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("RevertUnitFiles", "as", "a(sss)", method_revert_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", method_set_default_target, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("GetDefaultTarget", NULL, "s", method_get_default_target, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("PresetAllUnitFiles", "sbb", "a(sss)", method_preset_all_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("AddDependencyUnitFiles", "asssbb", "a(sss)", method_add_dependency_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetExitCode", "y", NULL, method_set_exit_code, SD_BUS_VTABLE_UNPRIVILEGED),
+
+        SD_BUS_SIGNAL("UnitNew", "so", 0),
+        SD_BUS_SIGNAL("UnitRemoved", "so", 0),
+        SD_BUS_SIGNAL("JobNew", "uos", 0),
+        SD_BUS_SIGNAL("JobRemoved", "uoss", 0),
+        SD_BUS_SIGNAL("StartupFinished", "tttttt", 0),
+        SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0),
+        SD_BUS_SIGNAL("Reloading", "b", 0),
+
+        SD_BUS_VTABLE_END
+};
+
+static int send_finished(sd_bus *bus, void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
+        usec_t *times = userdata;
+        int r;
+
+        assert(bus);
+        assert(times);
+
+        r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartupFinished");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(bus, message, NULL);
+}
+
+void bus_manager_send_finished(
+                Manager *m,
+                usec_t firmware_usec,
+                usec_t loader_usec,
+                usec_t kernel_usec,
+                usec_t initrd_usec,
+                usec_t userspace_usec,
+                usec_t total_usec) {
+
+        int r;
+
+        assert(m);
+
+        r = bus_foreach_bus(
+                        m,
+                        NULL,
+                        send_finished,
+                        (usec_t[6]) {
+                                firmware_usec,
+                                loader_usec,
+                                kernel_usec,
+                                initrd_usec,
+                                userspace_usec,
+                                total_usec
+                        });
+        if (r < 0)
+                log_debug_errno(r, "Failed to send finished signal: %m");
+}
+
+static int send_reloading(sd_bus *bus, void *userdata) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
+        int r;
+
+        assert(bus);
+
+        r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata));
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(bus, message, NULL);
+}
+
+void bus_manager_send_reloading(Manager *m, bool active) {
+        int r;
+
+        assert(m);
+
+        r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active));
+        if (r < 0)
+                log_debug_errno(r, "Failed to send reloading signal: %m");
+}
+
+static int send_changed_signal(sd_bus *bus, void *userdata) {
+        assert(bus);
+
+        return sd_bus_emit_properties_changed_strv(bus,
+                                                   "/org/freedesktop/systemd1",
+                                                   "org.freedesktop.systemd1.Manager",
+                                                   NULL);
+}
+
+void bus_manager_send_change_signal(Manager *m) {
+        int r;
+
+        assert(m);
+
+        r = bus_foreach_bus(m, NULL, send_changed_signal, NULL);
+        if (r < 0)
+                log_debug_errno(r, "Failed to send manager change signal: %m");
+}