chiark / gitweb /
Add short-iso-precise for journalctl output (#5884)
[elogind.git] / src / login / logind-dbus.c
index 0a30dfd160b6b7abab83411368ceed74c4d1189e..f22859c7472a7234b0bed507f6822583d3ab7b7c 100644 (file)
 #include "escape.h"
 #include "fd-util.h"
 #include "fileio-label.h"
-#include "formats-util.h"
+#include "format-util.h"
 #include "fs-util.h"
 #include "logind.h"
 #include "mkdir.h"
 #include "path-util.h"
 #include "process-util.h"
 #include "selinux-util.h"
-//#include "sleep-config.h"
+#include "sleep-config.h"
 //#include "special.h"
 #include "strv.h"
 #include "terminal-util.h"
 #include "udev-util.h"
 #include "unit-name.h"
 #include "user-util.h"
-//#include "utmp-wtmp.h"
+#include "utmp-wtmp.h"
+
+/// Additional includes needed by elogind
+#include "elogind-dbus.h"
+//#include "update-utmp.h"
 
 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
         _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
@@ -870,13 +874,17 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus
 
         session->create_message = sd_bus_message_ref(message);
 
-        /* Here upstream systemd starts cgroups and the user systemd,
-           and arranges to reply asynchronously.  We reply
-           directly.  */
+#if 0 /// UNNEEDED by elogind
+        /* Now, let's wait until the slice unit and stuff got
+         * created. We send the reply back from
+         * session_send_create_reply(). */
+#else
+        /* We reply directly. */
 
         r = session_send_create_reply(session, NULL);
         if (r < 0)
                 goto fail;
+#endif // 0
 
         return 1;
 
@@ -911,8 +919,9 @@ static int method_release_session(sd_bus_message *message, void *userdata, sd_bu
         if (r < 0)
                 return r;
 
+#if 1 /// elogind must queue this session
         session_add_to_gc_queue(session);
-
+#endif // 1
         return sd_bus_reply_method_return(message, NULL);
 }
 
@@ -1292,8 +1301,7 @@ static int flush_devices(Manager *m) {
         } else {
                 struct dirent *de;
 
-                while ((de = readdir(d))) {
-
+                FOREACH_DIRENT_ALL(de, d, break) {
                         if (!dirent_is_file(de))
                                 continue;
 
@@ -1401,10 +1409,10 @@ static int have_multiple_sessions(
         return false;
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int bus_manager_log_shutdown(
                 Manager *m,
                 InhibitWhat w,
-#if 0 /// elogind does not support systemd units
                 const char *unit_name) {
 
         const char *p, *q;
@@ -1431,49 +1439,19 @@ static int bus_manager_log_shutdown(
                 p = "MESSAGE=System is shutting down";
                 q = NULL;
         }
-#else
-                 HandleAction action) {
-
-         const char *p, *q;
-
-         assert(m);
-
-         if (w != INHIBIT_SHUTDOWN)
-                 return 0;
-
-         switch (action) {
-         case HANDLE_POWEROFF:
-                 p = "MESSAGE=System is powering down.";
-                 q = "SHUTDOWN=power-off";
-                 break;
-         case HANDLE_HALT:
-                 p = "MESSAGE=System is halting.";
-                 q = "SHUTDOWN=halt";
-                 break;
-         case HANDLE_REBOOT:
-                 p = "MESSAGE=System is rebooting.";
-                 q = "SHUTDOWN=reboot";
-                 break;
-         case HANDLE_KEXEC:
-                 p = "MESSAGE=System is rebooting with kexec.";
-                 q = "SHUTDOWN=kexec";
-                 break;
-         default:
-                 p = "MESSAGE=System is shutting down.";
-                 q = NULL;
-         }
-#endif // 0
+
         if (isempty(m->wall_message))
                 p = strjoina(p, ".");
         else
                 p = strjoina(p, " (", m->wall_message, ").");
 
         return log_struct(LOG_NOTICE,
-                          LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN),
+                          "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR,
                           p,
                           q,
                           NULL);
 }
+#endif // 0
 
 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) {
         Manager *m = userdata;
@@ -1534,64 +1512,54 @@ static void reset_scheduled_shutdown(Manager *m) {
         }
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int execute_shutdown_or_sleep(
                 Manager *m,
                 InhibitWhat w,
-                HandleAction action,
+                const char *unit_name,
                 sd_bus_error *error) {
 
-#if 0 /// elogind does not need these, we do it ourselves
         _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
         char *c = NULL;
         const char *p;
-#endif // 0
         int r;
 
         assert(m);
         assert(w >= 0);
         assert(w < _INHIBIT_WHAT_MAX);
+        assert(unit_name);
 
-        bus_manager_log_shutdown(m, w, action);
+        bus_manager_log_shutdown(m, w, unit_name);
 
-#if 0 /// elogind does it directly without depending on systemd running the system
         if (m->shutdown_dry_run) {
                 log_info("Running in dry run, suppressing action.");
                 reset_scheduled_shutdown(m);
         } else {
-        r = sd_bus_call_method(
-                        m->bus,
-                        "org.freedesktop.systemd1",
-                        "/org/freedesktop/systemd1",
-                        "org.freedesktop.systemd1.Manager",
-                        "StartUnit",
-                        error,
-                        &reply,
-                        "ss", unit_name, "replace-irreversibly");
-#else
-        r = shutdown_or_sleep(m, action);
-
-        /* no more pending actions, whether this failed or not */
-        m->pending_action = HANDLE_IGNORE;
-        m->action_what    = 0;
-#endif // 0
-        if (r < 0)
-                return r;
+                r = sd_bus_call_method(
+                                m->bus,
+                                "org.freedesktop.systemd1",
+                                "/org/freedesktop/systemd1",
+                                "org.freedesktop.systemd1.Manager",
+                                "StartUnit",
+                                error,
+                                &reply,
+                                "ss", unit_name, "replace-irreversibly");
+                if (r < 0)
+                        return r;
 
-#if 0 /// elogind neither needs a dbus reply, nor supports systemd action jobs
-        r = sd_bus_message_read(reply, "o", &p);
-        if (r < 0)
-                return r;
+                r = sd_bus_message_read(reply, "o", &p);
+                if (r < 0)
+                        return r;
 
-        c = strdup(p);
-        if (!c)
-                return -ENOMEM;
+                c = strdup(p);
+                if (!c)
+                        return -ENOMEM;
         }
 
         m->action_unit = unit_name;
         free(m->action_job);
         m->action_job = c;
         m->action_what = w;
-#endif // 0
 
         /* Make sure the lid switch is ignored for a while */
         manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
@@ -1607,7 +1575,7 @@ int manager_dispatch_delayed(Manager *manager, bool timeout) {
 
         assert(manager);
 
-        if ( (0 == manager->action_what) || (HANDLE_IGNORE == manager->pending_action) )
+        if (manager->action_what == 0 || manager->action_job)
                 return 0;
 
         if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
@@ -1625,19 +1593,24 @@ int manager_dispatch_delayed(Manager *manager, bool timeout) {
         }
 
         /* Actually do the operation */
-        r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
+        r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
         if (r < 0) {
                 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
 
-                manager->pending_action = HANDLE_IGNORE;
-                manager->action_what    = 0;
+                manager->action_unit = NULL;
+                manager->action_what = 0;
                 return r;
         }
 
         return 1;
 }
+#endif // 0
 
+#if 0 /// elogind-dbus.c needs to access this
 static int manager_inhibit_timeout_handler(
+#else
+int manager_inhibit_timeout_handler(
+#endif // 0
                         sd_event_source *s,
                         uint64_t usec,
                         void *userdata) {
@@ -1652,10 +1625,11 @@ static int manager_inhibit_timeout_handler(
         return (r < 0) ? r : 0;
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int delay_shutdown_or_sleep(
                 Manager *m,
                 InhibitWhat w,
-                HandleAction action) {
+                const char *unit_name) {
 
         int r;
         usec_t timeout_val;
@@ -1663,6 +1637,7 @@ static int delay_shutdown_or_sleep(
         assert(m);
         assert(w >= 0);
         assert(w < _INHIBIT_WHAT_MAX);
+        assert(unit_name);
 
         timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
 
@@ -1681,13 +1656,18 @@ static int delay_shutdown_or_sleep(
                         return r;
         }
 
-        m->pending_action = action;
+        m->action_unit = unit_name;
         m->action_what = w;
 
         return 0;
 }
+#endif // 0
 
+#if 0 /// elogind-dbus.c needs to access this
 static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+#else
+int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+#endif // 0
 
         static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
                 [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
@@ -1709,9 +1689,10 @@ static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
                                   active);
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 int bus_manager_shutdown_or_sleep_now_or_later(
                 Manager *m,
-                HandleAction action,
+                const char *unit_name,
                 InhibitWhat w,
                 sd_bus_error *error) {
 
@@ -1719,8 +1700,10 @@ int bus_manager_shutdown_or_sleep_now_or_later(
         int r;
 
         assert(m);
+        assert(unit_name);
         assert(w >= 0);
         assert(w <= _INHIBIT_WHAT_MAX);
+        assert(!m->action_job);
 
         /* Tell everybody to prepare for shutdown/sleep */
         send_prepare_for(m, w, true);
@@ -1729,19 +1712,27 @@ int bus_manager_shutdown_or_sleep_now_or_later(
                 m->inhibit_delay_max > 0 &&
                 manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL);
 
+        log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__,
+                          handle_action_to_string(action),
+                          delayed ? "" : "NOT ");
         if (delayed)
                 /* Shutdown is delayed, keep in mind what we
                  * want to do, and start a timeout */
-                r = delay_shutdown_or_sleep(m, w, action);
+                r = delay_shutdown_or_sleep(m, w, unit_name);
         else
                 /* Shutdown is not delayed, execute it
                  * immediately */
-                r = execute_shutdown_or_sleep(m, w, action, error);
+                r = execute_shutdown_or_sleep(m, w, unit_name, error);
 
         return r;
 }
+#endif // 0
 
+#if 0 /// elogind-dbus.c needs to access this
 static int verify_shutdown_creds(
+#else
+int verify_shutdown_creds(
+#endif // 0
                 Manager *m,
                 sd_bus_message *message,
                 InhibitWhat w,
@@ -1803,10 +1794,11 @@ static int verify_shutdown_creds(
         return 0;
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int method_do_shutdown_or_sleep(
                 Manager *m,
                 sd_bus_message *message,
-                HandleAction sleep_action,
+                const char *unit_name,
                 InhibitWhat w,
                 const char *action,
                 const char *action_multiple_sessions,
@@ -1818,6 +1810,7 @@ static int method_do_shutdown_or_sleep(
 
         assert(m);
         assert(message);
+        assert(unit_name);
         assert(w >= 0);
         assert(w <= _INHIBIT_WHAT_MAX);
 
@@ -1825,12 +1818,15 @@ static int method_do_shutdown_or_sleep(
         if (r < 0)
                 return r;
 
+        log_debug_elogind("%s called with action '%s', sleep '%s' (%sinteractive)",
+                          __FUNCTION__, action, sleep_verb,
+                          interactive ? "" : "NOT ");
         /* Don't allow multiple jobs being executed at the same time */
         if (m->action_what)
                 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress");
 
         if (sleep_verb) {
-                r = can_sleep(m, sleep_verb);
+                r = can_sleep(sleep_verb);
                 if (r < 0)
                         return r;
 
@@ -1840,10 +1836,11 @@ static int method_do_shutdown_or_sleep(
 
         r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions,
                                   action_ignore_inhibit, error);
+        log_debug_elogind("verify_shutdown_creds() returned %d", r);
         if (r != 0)
                 return r;
 
-        r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
+        r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
         if (r < 0)
                 return r;
 
@@ -1853,9 +1850,10 @@ static int method_do_shutdown_or_sleep(
 static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
 
+        log_debug_elogind("%s called", __FUNCTION__);
         return method_do_shutdown_or_sleep(
                         m, message,
-                        HANDLE_POWEROFF,
+                        SPECIAL_POWEROFF_TARGET,
                         INHIBIT_SHUTDOWN,
                         "org.freedesktop.login1.power-off",
                         "org.freedesktop.login1.power-off-multiple-sessions",
@@ -1867,9 +1865,10 @@ static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error
 static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
 
+        log_debug_elogind("%s called", __FUNCTION__);
         return method_do_shutdown_or_sleep(
                         m, message,
-                        HANDLE_REBOOT,
+                        SPECIAL_REBOOT_TARGET,
                         INHIBIT_SHUTDOWN,
                         "org.freedesktop.login1.reboot",
                         "org.freedesktop.login1.reboot-multiple-sessions",
@@ -1881,9 +1880,10 @@ static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *
 static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
 
+        log_debug_elogind("%s called", __FUNCTION__);
         return method_do_shutdown_or_sleep(
                         m, message,
-                        HANDLE_SUSPEND,
+                        SPECIAL_SUSPEND_TARGET,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.suspend",
                         "org.freedesktop.login1.suspend-multiple-sessions",
@@ -1891,6 +1891,7 @@ static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error
                         "suspend",
                         error);
 }
+#endif // 0
 
 static int nologin_timeout_handler(
                         sd_event_source *s,
@@ -1960,12 +1961,13 @@ static int update_schedule_file(Manager *m) {
         return 0;
 
 fail:
-                (void) unlink(temp_path);
-                (void) unlink("/run/systemd/shutdown/scheduled");
+        (void) unlink(temp_path);
+        (void) unlink("/run/systemd/shutdown/scheduled");
 
         return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m");
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int manager_scheduled_shutdown_handler(
                         sd_event_source *s,
                         uint64_t usec,
@@ -1973,7 +1975,7 @@ static int manager_scheduled_shutdown_handler(
 
         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         Manager *m = userdata;
-        HandleAction action;
+        const char *target;
         int r;
 
         assert(m);
@@ -1982,18 +1984,19 @@ static int manager_scheduled_shutdown_handler(
                 return 0;
 
         if (streq(m->scheduled_shutdown_type, "halt"))
-                action = HANDLE_HALT;
+                target = SPECIAL_HALT_TARGET;
         else if (streq(m->scheduled_shutdown_type, "poweroff"))
-                action = HANDLE_POWEROFF;
+                target = SPECIAL_POWEROFF_TARGET;
         else
-                action = HANDLE_REBOOT;
+                target = SPECIAL_REBOOT_TARGET;
 
-        r = execute_shutdown_or_sleep(m, 0, action, &error);
+        r = execute_shutdown_or_sleep(m, 0, target, &error);
         if (r < 0)
-                return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type);
+                return log_error_errno(r, "Unable to execute transition to %s: %m", target);
 
         return 0;
 }
+#endif // 0
 
 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
@@ -2008,6 +2011,7 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_
         assert(m);
         assert(message);
 
+        log_debug_elogind("%s called", __FUNCTION__);
         r = sd_bus_message_read(message, "st", &type, &elapse);
         if (r < 0)
                 return r;
@@ -2089,11 +2093,9 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_
                 }
         }
 
-#if 0 /// elogind does not support utmp-wtmp
         r = manager_setup_wall_message_timer(m);
         if (r < 0)
                 return r;
-#endif // 0
 
         if (!isempty(type)) {
                 r = update_schedule_file(m);
@@ -2108,14 +2110,17 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_
 static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
         bool cancelled;
+#if 1 /// elogind needs to construct the message to allow extra wall messages
+        _cleanup_free_ char *l = NULL;
+#endif // 1
 
         assert(m);
         assert(message);
 
+        log_debug_elogind("%s called", __FUNCTION__);
         cancelled = m->scheduled_shutdown_type != NULL;
         reset_scheduled_shutdown(m);
 
-#if 0 /// elogind does not support utmp-wtmp
         if (cancelled) {
                 _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
                 const char *tty = NULL;
@@ -2128,20 +2133,33 @@ static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userd
                         (void) sd_bus_creds_get_tty(creds, &tty);
                 }
 
+#if 0 /// elogind wants to allow extra cancellation messages
                 utmp_wall("The system shutdown has been cancelled",
                           uid_to_name(uid), tty, logind_wall_tty_filter, m);
-        }
+#else
+                r = asprintf(&l, "%s%sThe system shutdown has been cancelled!",
+                             strempty(m->wall_message),
+                             isempty(m->wall_message) ? "" : "\n");
+                if (r < 0) {
+                        log_oom();
+                        return 0;
+                }
+
+                utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m);
 #endif // 0
+        }
 
         return sd_bus_reply_method_return(message, "b", cancelled);
 }
 
+#if 0 /// elogind has its own variant in elogind-dbus.c
 static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
 
+        log_debug_elogind("%s called", __FUNCTION__);
         return method_do_shutdown_or_sleep(
                         m, message,
-                        HANDLE_HIBERNATE,
+                        SPECIAL_HIBERNATE_TARGET,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.hibernate",
                         "org.freedesktop.login1.hibernate-multiple-sessions",
@@ -2153,9 +2171,10 @@ static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_erro
 static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
 
+        log_debug_elogind("%s called", __FUNCTION__);
         return method_do_shutdown_or_sleep(
                         m, message,
-                        HANDLE_HYBRID_SLEEP,
+                        SPECIAL_HYBRID_SLEEP_TARGET,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.hibernate",
                         "org.freedesktop.login1.hibernate-multiple-sessions",
@@ -2163,6 +2182,7 @@ static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_e
                         "hybrid-sleep",
                         error);
 }
+#endif // 0
 
 static int method_can_shutdown_or_sleep(
                 Manager *m,
@@ -2189,7 +2209,11 @@ static int method_can_shutdown_or_sleep(
         assert(action_ignore_inhibit);
 
         if (sleep_verb) {
+#if 0 /// elogind needs to have the manager being passed
+                r = can_sleep(sleep_verb);
+#else
                 r = can_sleep(m, sleep_verb);
+#endif // 0
                 if (r < 0)
                         return r;
                 if (r == 0)
@@ -2342,7 +2366,7 @@ static int property_get_reboot_to_firmware_setup(
 
         return sd_bus_message_append(reply, "b", r > 0);
 #else
-        return sd_bus_message_append(reply, "b", -EOPNOTSUPP);
+        return sd_bus_message_append(reply, "b", false);
 #endif // 0
 }
 
@@ -2422,7 +2446,7 @@ static int method_can_reboot_to_firmware_setup(
 
         return sd_bus_reply_method_return(message, "s", result);
 #else
-        return sd_bus_reply_method_return(message, "s", "na");
+        return sd_bus_reply_method_return(message, "s", "no");
 #endif // 0
 }
 
@@ -2443,6 +2467,7 @@ static int method_set_wall_message(
         if (r < 0)
                 return r;
 
+#if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization.
         r = bus_verify_polkit_async(message,
                                     CAP_SYS_ADMIN,
                                     "org.freedesktop.login1.set-wall-message",
@@ -2455,14 +2480,11 @@ static int method_set_wall_message(
                 return r;
         if (r == 0)
                 return 1; /* Will call us back */
+#endif // 0
 
-        if (isempty(wall_message))
-                m->wall_message = mfree(m->wall_message);
-        else {
-                r = free_and_strdup(&m->wall_message, wall_message);
-                if (r < 0)
-                        return log_oom();
-        }
+        r = free_and_strdup(&m->wall_message, empty_to_null(wall_message));
+        if (r < 0)
+                return log_oom();
 
         m->enable_wall_messages = enable_wall_messages;
 
@@ -2590,7 +2612,9 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0),
         SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0),
 
-//        SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
+#if 0 /// UNNEEDED by elogind
+        SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
+#endif // 0
         SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
@@ -2893,6 +2917,7 @@ int manager_start_slice(
 
         assert(manager);
         assert(slice);
+        assert(job);
 
         r = sd_bus_message_new_method_call(
                         manager->bus,
@@ -2946,9 +2971,7 @@ int manager_start_slice(
         if (r < 0)
                 return r;
 
-        if (job)
-                return strdup_job(reply, job);
-        return 1;
+        return strdup_job(reply, job);
 }
 
 int manager_start_scope(
@@ -2969,6 +2992,7 @@ int manager_start_scope(
         assert(manager);
         assert(scope);
         assert(pid > 1);
+        assert(job);
 
         r = sd_bus_message_new_method_call(
                         manager->bus,
@@ -3043,9 +3067,7 @@ int manager_start_scope(
         if (r < 0)
                 return r;
 
-        if (job)
-                return strdup_job(reply, job);
-        return 1;
+        return strdup_job(reply, job);
 }
 
 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
@@ -3054,6 +3076,7 @@ int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error,
 
         assert(manager);
         assert(unit);
+        assert(job);
 
         r = sd_bus_call_method(
                         manager->bus,
@@ -3067,9 +3090,7 @@ int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error,
         if (r < 0)
                 return r;
 
-        if (job)
-                return strdup_job(reply, job);
-        return 1;
+        return strdup_job(reply, job);
 }
 
 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
@@ -3078,6 +3099,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c
 
         assert(manager);
         assert(unit);
+        assert(job);
 
         r = sd_bus_call_method(
                         manager->bus,
@@ -3092,9 +3114,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c
                 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
                     sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
 
-                        if (job)
-                                *job = NULL;
-
+                        *job = NULL;
                         sd_bus_error_free(error);
                         return 0;
                 }
@@ -3102,9 +3122,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c
                 return r;
         }
 
-        if (job)
-                return strdup_job(reply, job);
-        return 1;
+        return strdup_job(reply, job);
 }
 
 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {