chiark / gitweb /
systemctl: fail in the case that no unit files were found
[elogind.git] / src / systemctl / systemctl.c
index 2fa8ecc6644fd567494e1d912f0f0472aceca973..072f615ad547f18c152f45ec29d8a32a9460c8c4 100644 (file)
@@ -101,6 +101,7 @@ static bool arg_recursive = false;
 static int arg_force = 0;
 static bool arg_ask_password = true;
 static bool arg_runtime = false;
+static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
 static char **arg_wall = NULL;
 static const char *arg_kill_who = NULL;
 static int arg_signal = SIGTERM;
@@ -319,12 +320,6 @@ static int compare_unit_info(const void *a, const void *b) {
 static bool output_show_unit(const UnitInfo *u, char **patterns) {
         const char *dot;
 
-        if (!strv_isempty(arg_states))
-                return
-                        strv_contains(arg_states, u->load_state) ||
-                        strv_contains(arg_states, u->sub_state) ||
-                        strv_contains(arg_states, u->active_state);
-
         if (!strv_isempty(patterns)) {
                 char **pattern;
 
@@ -461,7 +456,7 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
                 }
 
                 if (circle_len > 0)
-                        printf("%s%s%s", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : "  ", off_circle);
+                        printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
 
                 printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
                        on_active, id_len, id, off_active,
@@ -513,6 +508,7 @@ static int get_unit_list(
                 int c,
                 sd_bus_message **_reply) {
 
+        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
         _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
         size_t size = c;
@@ -523,15 +519,22 @@ static int get_unit_list(
         assert(unit_infos);
         assert(_reply);
 
-        r = sd_bus_call_method(
+        r = sd_bus_message_new_method_call(
                         bus,
+                        &m,
                         "org.freedesktop.systemd1",
                         "/org/freedesktop/systemd1",
                         "org.freedesktop.systemd1.Manager",
-                        "ListUnits",
-                        &error,
-                        &reply,
-                        NULL);
+                        "ListUnitsFiltered");
+
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_message_append_strv(m, arg_states);
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_call(bus, m, 0, &error, &reply);
         if (r < 0) {
                 log_error("Failed to list units: %s", bus_error_message(&error, r));
                 return r;
@@ -614,7 +617,7 @@ static int get_unit_list_recursive(
                         return r;
 
                 STRV_FOREACH(i, machines) {
-                        _cleanup_bus_unref_ sd_bus *container = NULL;
+                        _cleanup_bus_close_unref_ sd_bus *container = NULL;
                         int k;
 
                         r = sd_bus_open_system_container(&container, *i);
@@ -1139,7 +1142,7 @@ static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
         assert(nw);
         assert(next);
 
-        if (next->monotonic != (usec_t) -1 && next->monotonic > 0) {
+        if (next->monotonic != USEC_INFINITY && next->monotonic > 0) {
                 usec_t converted;
 
                 if (next->monotonic > nw->monotonic)
@@ -1147,7 +1150,7 @@ static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
                 else
                         converted = nw->realtime - (nw->monotonic - next->monotonic);
 
-                if (next->realtime != (usec_t) -1 && next->realtime > 0)
+                if (next->realtime != USEC_INFINITY && next->realtime > 0)
                         next_elapse = MIN(converted, next->realtime);
                 else
                         next_elapse = converted;
@@ -1347,6 +1350,10 @@ static int list_unit_files(sd_bus *bus, char **args) {
                 }
 
                 n_units = hashmap_size(h);
+
+                if (n_units == 0)
+                        return 0;
+
                 units = new(UnitFileList, n_units);
                 if (!units) {
                         unit_file_list_free(h);
@@ -1685,7 +1692,7 @@ static int compare_machine_info(const void *a, const void *b) {
 }
 
 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
-        _cleanup_bus_unref_ sd_bus *container = NULL;
+        _cleanup_bus_close_unref_ sd_bus *container = NULL;
         int r;
 
         assert(mi);
@@ -1925,9 +1932,9 @@ static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_cha
 
         for (i = 0; i < n_changes; i++) {
                 if (changes[i].type == UNIT_FILE_SYMLINK)
-                        log_info("ln -s '%s' '%s'", changes[i].source, changes[i].path);
+                        log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source);
                 else
-                        log_info("rm '%s'", changes[i].path);
+                        log_info("Removed symlink %s.", changes[i].path);
         }
 }
 
@@ -1942,9 +1949,9 @@ static int deserialize_and_dump_unit_file_changes(sd_bus_message *m) {
         while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
                 if (!arg_quiet) {
                         if (streq(type, "symlink"))
-                                log_info("ln -s '%s' '%s'", source, path);
+                                log_info("Created symlink from %s to %s.", path, source);
                         else
-                                log_info("rm '%s'", path);
+                                log_info("Removed symlink %s.", path);
                 }
         }
         if (r < 0)
@@ -3167,6 +3174,7 @@ typedef struct UnitStatusInfo {
         const char *status_text;
         const char *pid_file;
         bool running:1;
+        int status_errno;
 
         usec_t start_timestamp;
         usec_t exit_timestamp;
@@ -3438,6 +3446,8 @@ static void print_status_info(
 
         if (i->status_text)
                 printf("   Status: \"%s\"\n", i->status_text);
+        if (i->status_errno > 0)
+                printf("    Error: %i (%s)\n", i->status_errno, strerror(i->status_errno));
 
         if (i->control_group &&
             (i->main_pid > 0 || i->control_pid > 0 ||
@@ -3497,50 +3507,11 @@ static void show_unit_help(UnitStatusInfo *i) {
                 return;
         }
 
-        STRV_FOREACH(p, i->documentation) {
-
-                if (startswith(*p, "man:")) {
-                        const char *args[4] = { "man", NULL, NULL, NULL };
-                        _cleanup_free_ char *page = NULL, *section = NULL;
-                        char *e = NULL;
-                        pid_t pid;
-                        size_t k;
-
-                        k = strlen(*p);
-
-                        if ((*p)[k-1] == ')')
-                                e = strrchr(*p, '(');
-
-                        if (e) {
-                                page = strndup((*p) + 4, e - *p - 4);
-                                section = strndup(e + 1, *p + k - e - 2);
-                                if (!page || !section) {
-                                        log_oom();
-                                        return;
-                                }
-
-                                args[1] = section;
-                                args[2] = page;
-                        } else
-                                args[1] = *p + 4;
-
-                        pid = fork();
-                        if (pid < 0) {
-                                log_error("Failed to fork: %m");
-                                continue;
-                        }
-
-                        if (pid == 0) {
-                                /* Child */
-                                execvp(args[0], (char**) args);
-                                log_error("Failed to execute man: %m");
-                                _exit(EXIT_FAILURE);
-                        }
-
-                        wait_for_terminate(pid, NULL);
-                } else
+        STRV_FOREACH(p, i->documentation)
+                if (startswith(*p, "man:"))
+                        show_man_page(*p + 4, false);
+                else
                         log_info("Can't show: %s", *p);
-        }
 }
 
 static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) {
@@ -3658,6 +3629,8 @@ static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *
                         i->exit_code = (int) j;
                 else if (streq(name, "ExecMainStatus"))
                         i->exit_status = (int) j;
+                else if (streq(name, "StatusErrno"))
+                        i->status_errno = (int) j;
 
                 break;
         }
@@ -4858,7 +4831,7 @@ static int switch_root(sd_bus *bus, char **args) {
                 const char *root_systemd_path = NULL, *root_init_path = NULL;
 
                 root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
-                root_init_path = strappenda3(root, "/", init);
+                root_init_path = strappenda(root, "/", init);
 
                 /* If the passed init is actually the same as the
                  * systemd binary, then let's suppress it. */
@@ -5029,17 +5002,11 @@ static int enable_sysv_units(const char *verb, char **args) {
                 STRV_FOREACH(k, paths.unit_path) {
                         _cleanup_free_ char *path = NULL;
 
-                        if (!isempty(arg_root))
-                                asprintf(&p, "%s/%s/%s", arg_root, *k, name);
-                        else
-                                asprintf(&p, "%s/%s", *k, name);
-
-                        if (!p) {
-                                r = log_oom();
-                                goto finish;
-                        }
+                        path = path_join(arg_root, *k, name);
+                        if (!path)
+                                return log_oom();
 
-                        found_native = access(p, F_OK) >= 0;
+                        found_native = access(path, F_OK) >= 0;
                         if (found_native)
                                 break;
                 }
@@ -5047,14 +5014,9 @@ static int enable_sysv_units(const char *verb, char **args) {
                 if (found_native)
                         continue;
 
-                if (!isempty(arg_root))
-                        asprintf(&p, "%s/" SYSTEM_SYSVINIT_PATH "/%s", arg_root, name);
-                else
-                        asprintf(&p, SYSTEM_SYSVINIT_PATH "/%s", name);
-                if (!p) {
-                        r = log_oom();
-                        goto finish;
-                }
+                p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
+                if (!p)
+                        return log_oom();
 
                 p[strlen(p) - strlen(".service")] = 0;
                 found_sysv = access(p, F_OK) >= 0;
@@ -5076,18 +5038,15 @@ static int enable_sysv_units(const char *verb, char **args) {
                 argv[c] = NULL;
 
                 l = strv_join((char**)argv, " ");
-                if (!l) {
-                        r = log_oom();
-                        goto finish;
-                }
+                if (!l)
+                        return log_oom();
 
                 log_info("Executing %s", l);
 
                 pid = fork();
                 if (pid < 0) {
                         log_error("Failed to fork: %m");
-                        r = -errno;
-                        goto finish;
+                        return -errno;
                 } else if (pid == 0) {
                         /* Child */
 
@@ -5098,8 +5057,7 @@ static int enable_sysv_units(const char *verb, char **args) {
                 j = wait_for_terminate(pid, &status);
                 if (j < 0) {
                         log_error("Failed to wait for child: %s", strerror(-r));
-                        r = j;
-                        goto finish;
+                        return j;
                 }
 
                 if (status.si_code == CLD_EXITED) {
@@ -5113,17 +5071,12 @@ static int enable_sysv_units(const char *verb, char **args) {
                                                 puts("disabled");
                                 }
 
-                        } else if (status.si_status != 0) {
-                                r = -EINVAL;
-                                goto finish;
-                        }
-                } else {
-                        r = -EPROTO;
-                        goto finish;
-                }
+                        } else if (status.si_status != 0)
+                                return -EINVAL;
+                } else
+                        return -EPROTO;
         }
 
-finish:
         /* Drop all SysV units */
         for (f = 0, t = 0; args[f]; f++) {
 
@@ -5207,7 +5160,7 @@ static int enable_unit(sd_bus *bus, char **args) {
                 } else if (streq(verb, "link"))
                         r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
                 else if (streq(verb, "preset")) {
-                        r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
+                        r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes);
                         carries_install_info = r;
                 } else if (streq(verb, "mask"))
                         r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
@@ -5229,7 +5182,7 @@ static int enable_unit(sd_bus *bus, char **args) {
                 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL;
                 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
                 int expect_carries_install_info = false;
-                bool send_force = true;
+                bool send_force = true, send_preset_mode = false;
                 const char *method;
 
                 if (streq(verb, "enable")) {
@@ -5244,7 +5197,13 @@ static int enable_unit(sd_bus *bus, char **args) {
                 } else if (streq(verb, "link"))
                         method = "LinkUnitFiles";
                 else if (streq(verb, "preset")) {
-                        method = "PresetUnitFiles";
+
+                        if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
+                                method = "PresetUnitFilesWithMode";
+                                send_preset_mode = true;
+                        } else
+                                method = "PresetUnitFiles";
+
                         expect_carries_install_info = true;
                 } else if (streq(verb, "mask"))
                         method = "MaskUnitFiles";
@@ -5268,6 +5227,12 @@ static int enable_unit(sd_bus *bus, char **args) {
                 if (r < 0)
                         return bus_log_create_error(r);
 
+                if (send_preset_mode) {
+                        r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
                 r = sd_bus_message_append(m, "b", arg_runtime);
                 if (r < 0)
                         return bus_log_create_error(r);
@@ -5318,6 +5283,61 @@ finish:
         return r;
 }
 
+static int preset_all(sd_bus *bus, char **args) {
+        UnitFileChange *changes = NULL;
+        unsigned n_changes = 0;
+        int r;
+
+        if (!bus || avoid_bus()) {
+
+                r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes);
+                if (r < 0) {
+                        log_error("Operation failed: %s", strerror(-r));
+                        goto finish;
+                }
+
+                if (!arg_quiet)
+                        dump_unit_file_changes(changes, n_changes);
+
+                r = 0;
+
+        } else {
+                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+
+                r = sd_bus_call_method(
+                                bus,
+                                "org.freedesktop.systemd1",
+                                "/org/freedesktop/systemd1",
+                                "org.freedesktop.systemd1.Manager",
+                                "PresetAllUnitFiles",
+                                &error,
+                                &reply,
+                                "sbb",
+                                unit_file_preset_mode_to_string(arg_preset_mode),
+                                arg_runtime,
+                                arg_force);
+                if (r < 0) {
+                        log_error("Failed to execute operation: %s", bus_error_message(&error, r));
+                        return r;
+                }
+
+                r = deserialize_and_dump_unit_file_changes(reply);
+                if (r < 0)
+                        return r;
+
+                if (!arg_no_reload)
+                        r = daemon_reload(bus, args);
+                else
+                        r = 0;
+        }
+
+finish:
+        unit_file_changes_free(changes, n_changes);
+
+        return r;
+}
+
 static int unit_is_enabled(sd_bus *bus, char **args) {
 
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -5392,7 +5412,31 @@ static int unit_is_enabled(sd_bus *bus, char **args) {
         return !enabled;
 }
 
-static int systemctl_help(void) {
+static int is_system_running(sd_bus *bus, char **args) {
+        _cleanup_free_ char *state = NULL;
+        int r;
+
+        r = sd_bus_get_property_string(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        "/org/freedesktop/systemd1",
+                        "org.freedesktop.systemd1.Manager",
+                        "SystemState",
+                        NULL,
+                        &state);
+        if (r < 0) {
+                if (!arg_quiet)
+                        puts("unknown");
+                return 0;
+        }
+
+        if (!arg_quiet)
+                puts(state);
+
+        return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static void systemctl_help(void) {
 
         pager_open_if_enabled();
 
@@ -5435,6 +5479,8 @@ static int systemctl_help(void) {
                "     --runtime        Enable unit files only temporarily until next reboot\n"
                "  -f --force          When enabling unit files, override existing symlinks\n"
                "                      When shutting down, execute action immediately\n"
+               "     --preset-mode=   Specifies whether fully apply presets, or only enable,\n"
+               "                      or only disable\n"
                "     --root=PATH      Enable unit files in the specified root directory\n"
                "  -n --lines=INTEGER  Number of journal entries to show\n"
                "  -o --output=STRING  Change journal output mode (short, short-monotonic,\n"
@@ -5475,6 +5521,8 @@ static int systemctl_help(void) {
                "  reenable NAME...                Reenable one or more unit files\n"
                "  preset NAME...                  Enable/disable one or more unit files\n"
                "                                  based on preset configuration\n"
+               "  preset-all                      Enable/disable all unit files based on\n"
+               "                                  preset configuration\n"
                "  is-enabled NAME...              Check whether unit files are enabled\n\n"
                "  mask NAME...                    Mask one or more units\n"
                "  unmask NAME...                  Unmask one or more units\n"
@@ -5499,6 +5547,7 @@ static int systemctl_help(void) {
                "  daemon-reload                   Reload systemd manager configuration\n"
                "  daemon-reexec                   Reexecute systemd manager\n\n"
                "System Commands:\n"
+               "  is-system-running               Check whether system is fully running\n"
                "  default                         Enter system default mode\n"
                "  rescue                          Enter system rescue mode\n"
                "  emergency                       Enter system emergency mode\n"
@@ -5512,12 +5561,9 @@ static int systemctl_help(void) {
                "  hibernate                       Hibernate the system\n"
                "  hybrid-sleep                    Hibernate and suspend the system\n",
                program_invocation_short_name);
-
-        return 0;
 }
 
-static int halt_help(void) {
-
+static void halt_help(void) {
         printf("%s [OPTIONS...]%s\n\n"
                "%s the system.\n\n"
                "     --help      Show this help\n"
@@ -5533,12 +5579,9 @@ static int halt_help(void) {
                arg_action == ACTION_REBOOT   ? "Reboot" :
                arg_action == ACTION_POWEROFF ? "Power off" :
                                                "Halt");
-
-        return 0;
 }
 
-static int shutdown_help(void) {
-
+static void shutdown_help(void) {
         printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
                "Shut down the system.\n\n"
                "     --help      Show this help\n"
@@ -5550,12 +5593,9 @@ static int shutdown_help(void) {
                "     --no-wall   Don't send wall message before halt/power-off/reboot\n"
                "  -c             Cancel a pending shutdown\n",
                program_invocation_short_name);
-
-        return 0;
 }
 
-static int telinit_help(void) {
-
+static void telinit_help(void) {
         printf("%s [OPTIONS...] {COMMAND}\n\n"
                "Send control commands to the init daemon.\n\n"
                "     --help      Show this help\n"
@@ -5568,32 +5608,26 @@ static int telinit_help(void) {
                "  q, Q           Reload init daemon configuration\n"
                "  u, U           Reexecute init daemon\n",
                program_invocation_short_name);
-
-        return 0;
 }
 
-static int runlevel_help(void) {
-
+static void runlevel_help(void) {
         printf("%s [OPTIONS...]\n\n"
                "Prints the previous and current runlevel of the init system.\n\n"
                "     --help      Show this help\n",
                program_invocation_short_name);
-
-        return 0;
 }
 
-static int help_types(void) {
+static void help_types(void) {
         int i;
         const char *t;
 
-        puts("Available unit types:");
+        if (!arg_no_legend)
+                puts("Available unit types:");
         for (i = 0; i < _UNIT_TYPE_MAX; i++) {
                 t = unit_type_to_string(i);
                 if (t)
                         puts(t);
         }
-
-        return 0;
 }
 
 static int systemctl_parse_argv(int argc, char *argv[]) {
@@ -5623,7 +5657,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                 ARG_FORCE,
                 ARG_PLAIN,
                 ARG_STATE,
-                ARG_JOB_MODE
+                ARG_JOB_MODE,
+                ARG_PRESET_MODE,
         };
 
         static const struct option options[] = {
@@ -5665,6 +5700,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                 { "plain",               no_argument,       NULL, ARG_PLAIN               },
                 { "state",               required_argument, NULL, ARG_STATE               },
                 { "recursive",           no_argument,       NULL, 'r'                     },
+                { "preset-mode",         required_argument, NULL, ARG_PRESET_MODE         },
                 {}
         };
 
@@ -5673,12 +5709,13 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0)
 
                 switch (c) {
 
                 case 'h':
-                        return systemctl_help();
+                        systemctl_help();
+                        return 0;
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
@@ -5686,7 +5723,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         return 0;
 
                 case 't': {
-                        char *word, *state;
+                        const char *word, *state;
                         size_t size;
 
                         FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
@@ -5735,7 +5772,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                                 if (!arg_properties)
                                         return log_oom();
                         } else {
-                                char *word, *state;
+                                const char *word, *state;
                                 size_t size;
 
                                 FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
@@ -5905,7 +5942,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         break;
 
                 case ARG_STATE: {
-                        char *word, *state;
+                        const char *word, *state;
                         size_t size;
 
                         FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
@@ -5923,20 +5960,29 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
 
                 case 'r':
                         if (geteuid() != 0) {
-                                log_error("--recursive requires root priviliges.");
+                                log_error("--recursive requires root privileges.");
                                 return -EPERM;
                         }
 
                         arg_recursive = true;
                         break;
 
+                case ARG_PRESET_MODE:
+
+                        arg_preset_mode = unit_file_preset_mode_from_string(optarg);
+                        if (arg_preset_mode < 0) {
+                                log_error("Failed to parse preset mode: %s.", optarg);
+                                return -EINVAL;
+                        }
+
+                        break;
+
                 case '?':
                         return -EINVAL;
 
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) {
                 log_error("Cannot access user instance remotely.");
@@ -5976,11 +6022,12 @@ static int halt_parse_argv(int argc, char *argv[]) {
                 if (runlevel == '0' || runlevel == '6')
                         arg_force = 2;
 
-        while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
                 switch (c) {
 
                 case ARG_HELP:
-                        return halt_help();
+                        halt_help();
+                        return 0;
 
                 case ARG_HALT:
                         arg_action = ACTION_HALT;
@@ -6023,7 +6070,6 @@ static int halt_parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
                 r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL);
@@ -6108,11 +6154,12 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0)
                 switch (c) {
 
                 case ARG_HELP:
-                        return shutdown_help();
+                        shutdown_help();
+                        return 0;
 
                 case 'H':
                         arg_action = ACTION_HALT;
@@ -6161,7 +6208,6 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
                 r = parse_time_spec(argv[optind], &arg_when);
@@ -6222,11 +6268,12 @@ static int telinit_parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
                 switch (c) {
 
                 case ARG_HELP:
-                        return telinit_help();
+                        telinit_help();
+                        return 0;
 
                 case ARG_NO_WALL:
                         arg_no_wall = true;
@@ -6238,10 +6285,10 @@ static int telinit_parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (optind >= argc) {
-                telinit_help();
+                log_error("%s: required argument missing.",
+                          program_invocation_short_name);
                 return -EINVAL;
         }
 
@@ -6287,11 +6334,12 @@ static int runlevel_parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
                 switch (c) {
 
                 case ARG_HELP:
-                        return runlevel_help();
+                        runlevel_help();
+                        return 0;
 
                 case '?':
                         return -EINVAL;
@@ -6299,7 +6347,6 @@ static int runlevel_parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (optind < argc) {
                 log_error("Too many arguments.");
@@ -6481,6 +6528,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
                 { "is-enabled",            MORE,  2, unit_is_enabled,  NOBUS },
                 { "reenable",              MORE,  2, enable_unit,      NOBUS },
                 { "preset",                MORE,  2, enable_unit,      NOBUS },
+                { "preset-all",            EQUAL, 1, preset_all,       NOBUS },
                 { "mask",                  MORE,  2, enable_unit,      NOBUS },
                 { "unmask",                MORE,  2, enable_unit,      NOBUS },
                 { "link",                  MORE,  2, enable_unit,      NOBUS },
@@ -6489,6 +6537,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
                 { "set-default",           EQUAL, 2, set_default,      NOBUS },
                 { "get-default",           EQUAL, 1, get_default,      NOBUS },
                 { "set-property",          MORE,  3, set_property      },
+                { "is-system-running",     EQUAL, 1, is_system_running },
                 {}
         }, *verb = verbs;
 
@@ -6783,7 +6832,7 @@ static int runlevel_main(void) {
 }
 
 int main(int argc, char*argv[]) {
-        _cleanup_bus_unref_ sd_bus *bus = NULL;
+        _cleanup_bus_close_unref_ sd_bus *bus = NULL;
         int r;
 
         setlocale(LC_ALL, "");