chiark / gitweb /
gpt-auto-generator: rename root device node symlink to /dev/gpt-auto-root
[elogind.git] / src / systemctl / systemctl.c
index 3a9bca90cec1aff20b1eba59189acac5f4d3d65d..17ad7f0462c3e0ec4c0a05154f07b7d4155a4143 100644 (file)
@@ -58,7 +58,6 @@
 #include "path-lookup.h"
 #include "conf-parser.h"
 #include "exit-status.h"
-#include "bus-errors.h"
 #include "build.h"
 #include "unit-name.h"
 #include "pager.h"
@@ -68,6 +67,7 @@
 #include "logs-show.h"
 #include "socket-util.h"
 #include "fileio.h"
+#include "env-util.h"
 #include "bus-util.h"
 #include "bus-message.h"
 #include "bus-error.h"
@@ -135,6 +135,22 @@ static char *arg_host = NULL;
 static unsigned arg_lines = 10;
 static OutputMode arg_output = OUTPUT_SHORT;
 static bool arg_plain = false;
+static const struct {
+        const char *verb;
+        const char *method;
+} unit_actions[] = {
+        { "start",                 "StartUnit" },
+        { "stop",                  "StopUnit" },
+        { "condstop",              "StopUnit" },
+        { "reload",                "ReloadUnit" },
+        { "restart",               "RestartUnit" },
+        { "try-restart",           "TryRestartUnit" },
+        { "condrestart",           "TryRestartUnit" },
+        { "reload-or-restart",     "ReloadOrRestartUnit" },
+        { "reload-or-try-restart", "ReloadOrTryRestartUnit" },
+        { "condreload",            "ReloadOrTryRestartUnit" },
+        { "force-reload",          "ReloadOrTryRestartUnit" }
+};
 
 static int daemon_reload(sd_bus *bus, char **args);
 static int halt_now(enum action a);
@@ -892,6 +908,31 @@ static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
         return 0;
 }
 
+static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
+        usec_t next_elapse;
+
+        assert(nw);
+        assert(next);
+
+        if (next->monotonic != (usec_t) -1 && next->monotonic > 0) {
+                usec_t converted;
+
+                if (next->monotonic > nw->monotonic)
+                        converted = nw->realtime + (next->monotonic - nw->monotonic);
+                else
+                        converted = nw->realtime - (nw->monotonic - next->monotonic);
+
+                if (next->realtime != (usec_t) -1 && next->realtime > 0)
+                        next_elapse = MIN(converted, next->realtime);
+                else
+                        next_elapse = converted;
+
+        } else
+                next_elapse = next->realtime;
+
+        return next_elapse;
+}
+
 static int list_timers(sd_bus *bus, char **args) {
 
         _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
@@ -914,7 +955,7 @@ static int list_timers(sd_bus *bus, char **args) {
 
         for (u = unit_infos; u < unit_infos + n; u++) {
                 _cleanup_strv_free_ char **triggered = NULL;
-                dual_timestamp next;
+                dual_timestamp next = {};
                 usec_t m;
 
                 if (!endswith(u->id, ".timer"))
@@ -928,26 +969,13 @@ static int list_timers(sd_bus *bus, char **args) {
                 if (r < 0)
                         goto cleanup;
 
-                if (next.monotonic != (usec_t) -1 && next.monotonic > 0) {
-                        usec_t converted;
-
-                        if (next.monotonic > nw.monotonic)
-                                converted = nw.realtime + (next.monotonic - nw.monotonic);
-                        else
-                                converted = nw.realtime - (nw.monotonic - next.monotonic);
-
-                        if (next.realtime != (usec_t) -1 && next.realtime > 0)
-                                m = MIN(converted, next.realtime);
-                        else
-                                m = converted;
-                } else
-                        m = next.realtime;
-
                 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
                         r = log_oom();
                         goto cleanup;
                 }
 
+                m = calc_next_elapse(&nw, &next);
+
                 timer_infos[c++] = (struct timer_info) {
                         .id = u->id,
                         .next_elapse = m,
@@ -1311,7 +1339,7 @@ static int list_dependencies_one(
                 char ***units,
                 unsigned int branches) {
 
-        _cleanup_strv_free_ char **deps = NULL, **u;
+        _cleanup_strv_free_ char **deps = NULL;
         char **c;
         int r = 0;
 
@@ -1319,8 +1347,8 @@ static int list_dependencies_one(
         assert(name);
         assert(units);
 
-        u = strv_append(*units, name);
-        if (!u)
+        r = strv_extend(units, name);
+        if (r < 0)
                 return log_oom();
 
         r = list_dependencies_get_dependencies(bus, name, &deps);
@@ -1332,7 +1360,7 @@ static int list_dependencies_one(
         STRV_FOREACH(c, deps) {
                 int state;
 
-                if (strv_contains(u, *c)) {
+                if (strv_contains(*units, *c)) {
                         if (!arg_plain) {
                                 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
                                 if (r < 0)
@@ -1352,17 +1380,14 @@ static int list_dependencies_one(
                         return r;
 
                 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
-                       r = list_dependencies_one(bus, *c, level + 1, &u, (branches << 1) | (c[1] == NULL ? 0 : 1));
+                       r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
                        if (r < 0)
                                return r;
                 }
         }
 
-        if (arg_plain) {
-                strv_free(*units);
-                *units = u;
-                u = NULL;
-        }
+        if (!arg_plain)
+                strv_remove(*units, name);
 
         return 0;
 }
@@ -2039,6 +2064,26 @@ static int check_triggering_units(
         return 0;
 }
 
+static const char *verb_to_method(const char *verb) {
+       uint i;
+
+       for (i = 0; i < ELEMENTSOF(unit_actions); i++)
+                if (streq_ptr(unit_actions[i].verb, verb))
+                        return unit_actions[i].method;
+
+       return "StartUnit";
+}
+
+static const char *method_to_verb(const char *method) {
+       uint i;
+
+       for (i = 0; i < ELEMENTSOF(unit_actions); i++)
+                if (streq_ptr(unit_actions[i].method, method))
+                        return unit_actions[i].verb;
+
+       return "n/a";
+}
+
 static int start_unit_one(
                 sd_bus *bus,
                 const char *method,
@@ -2067,12 +2112,16 @@ static int start_unit_one(
                         &reply,
                         "ss", name, mode);
         if (r < 0) {
+                const char *verb;
+
                 if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL)
                         /* There's always a fallback possible for
                          * legacy actions. */
                         return -EADDRNOTAVAIL;
 
-                log_error("Failed to %s %s: %s", method, name, bus_error_message(error, r));
+                verb = method_to_verb(method);
+
+                log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r));
                 return r;
         }
 
@@ -2118,13 +2167,11 @@ static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***r
                         return log_oom();
 
                 if (string_is_glob(t))
-                        r = strv_push(&globs, t);
+                        r = strv_consume(&globs, t);
                 else
-                        r = strv_push(&mangled, t);
-                if (r < 0) {
-                        free(t);
+                        r = strv_consume(&mangled, t);
+                if (r < 0)
                         return log_oom();
-                }
         }
 
         /* Query the manager only if any of the names are a glob, since
@@ -2191,21 +2238,7 @@ static int start_unit(sd_bus *bus, char **args) {
 
         if (arg_action == ACTION_SYSTEMCTL) {
                 enum action action;
-                method =
-                        streq(args[0], "stop") ||
-                        streq(args[0], "condstop")              ? "StopUnit" :
-                        streq(args[0], "reload")                ? "ReloadUnit" :
-                        streq(args[0], "restart")               ? "RestartUnit" :
-
-                        streq(args[0], "try-restart")           ||
-                        streq(args[0], "condrestart")           ? "TryRestartUnit" :
-
-                        streq(args[0], "reload-or-restart")     ? "ReloadOrRestartUnit" :
-
-                        streq(args[0], "reload-or-try-restart") ||
-                        streq(args[0], "condreload")            ||
-                        streq(args[0], "force-reload")          ? "ReloadOrTryRestartUnit" :
-                                                                  "StartUnit";
+                method = verb_to_method(args[0]);
                 action = verb_to_action(args[0]);
 
                 mode = streq(args[0], "isolate") ? "isolate" :
@@ -2486,17 +2519,18 @@ static int start_special(sd_bus *bus, char **args) {
 }
 
 static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) {
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
         _cleanup_strv_free_ char **names = NULL;
         char **name;
-        int r = code;
+        int r;
 
         assert(bus);
         assert(args);
 
         r = expand_names(bus, args, NULL, &names);
-        if (r < 0)
+        if (r < 0) {
                 log_error("Failed to expand names: %s", strerror(-r));
+                return r;
+        }
 
         STRV_FOREACH(name, names) {
                 int state;
@@ -2504,8 +2538,8 @@ static int check_unit_generic(sd_bus *bus, int code, const char *good_states, ch
                 state = check_one_unit(bus, *name, good_states, arg_quiet);
                 if (state < 0)
                         return state;
-                if (state > 0)
-                        r = 0;
+                if (state == 0)
+                        r = code;
         }
 
         return r;
@@ -3382,6 +3416,48 @@ static int print_property(const char *name, sd_bus_message *m, const char *conte
                         if (arg_all || !isempty(a) || !isempty(b))
                                 printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b));
 
+                        return 0;
+                } else if (streq_ptr(name, "SystemCallFilter")) {
+                        _cleanup_strv_free_ char **l = NULL;
+                        int whitelist;
+
+                        r = sd_bus_message_enter_container(m, 'r', "bas");
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        r = sd_bus_message_read(m, "b", &whitelist);
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        r = sd_bus_message_read_strv(m, &l);
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        r = sd_bus_message_exit_container(m);
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        if (arg_all || whitelist || !strv_isempty(l)) {
+                                bool first = true;
+                                char **i;
+
+                                fputs(name, stdout);
+                                fputc('=', stdout);
+
+                                if (!whitelist)
+                                        fputc('~', stdout);
+
+                                STRV_FOREACH(i, l) {
+                                        if (first)
+                                                first = false;
+                                        else
+                                                fputc(' ', stdout);
+
+                                        fputs(*i, stdout);
+                                }
+                                fputc('\n', stdout);
+                        }
+
                         return 0;
                 }
 
@@ -3680,8 +3756,8 @@ static int show_one(
             streq(verb, "status")) {
                 /* According to LSB: "program not running" */
                 /* 0: program is running or service is OK
-                 * 1: program is dead and /var/run pid file exists
-                 * 2: program is dead and /var/lock lock file exists
+                 * 1: program is dead and /run PID file exists
+                 * 2: program is dead and /run/lock lock file exists
                  * 3: program is not running
                  * 4: program or service status is unknown
                  */
@@ -3943,163 +4019,6 @@ static int show(sd_bus *bus, char **args) {
         return ret;
 }
 
-static int append_assignment(sd_bus_message *m, const char *assignment) {
-        const char *eq;
-        char *field;
-        int r;
-
-        assert(m);
-        assert(assignment);
-
-        eq = strchr(assignment, '=');
-        if (!eq) {
-                log_error("Not an assignment: %s", assignment);
-                return -EINVAL;
-        }
-
-        field = strndupa(assignment, eq - assignment);
-        eq ++;
-
-        r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
-        if (r < 0)
-                return bus_log_create_error(r);
-
-        if (streq(field, "CPUAccounting") ||
-            streq(field, "MemoryAccounting") ||
-            streq(field, "BlockIOAccounting")) {
-
-                r = parse_boolean(eq);
-                if (r < 0) {
-                        log_error("Failed to parse boolean assignment %s.", assignment);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "b", r);
-
-        } else if (streq(field, "MemoryLimit")) {
-                off_t bytes;
-
-                r = parse_bytes(eq, &bytes);
-                if (r < 0) {
-                        log_error("Failed to parse bytes specification %s", assignment);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "t", (uint64_t) bytes);
-
-        } else if (streq(field, "CPUShares") || streq(field, "BlockIOWeight")) {
-                uint64_t u;
-
-                r = safe_atou64(eq, &u);
-                if (r < 0) {
-                        log_error("Failed to parse %s value %s.", field, eq);
-                        return -EINVAL;
-                }
-
-                r = sd_bus_message_append(m, "v", "t", u);
-
-        } else if (streq(field, "DevicePolicy"))
-                r = sd_bus_message_append(m, "v", "s", eq);
-
-        else if (streq(field, "DeviceAllow")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(ss)", 0);
-                else {
-                        const char *path, *rwm;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                rwm = e+1;
-                        } else {
-                                path = eq;
-                                rwm = "";
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm);
-                }
-
-        } else if (streq(field, "BlockIOReadBandwidth") || streq(field, "BlockIOWriteBandwidth")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *bandwidth;
-                        off_t bytes;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                bandwidth = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = parse_bytes(bandwidth, &bytes);
-                        if (r < 0) {
-                                log_error("Failed to parse byte value %s.", bandwidth);
-                                return -EINVAL;
-                        }
-
-                        r = sd_bus_message_append(m, "v", "a(st)", 1, path, (uint64_t) bytes);
-                }
-
-        } else if (streq(field, "BlockIODeviceWeight")) {
-
-                if (isempty(eq))
-                        r = sd_bus_message_append(m, "v", "a(st)", 0);
-                else {
-                        const char *path, *weight;
-                        uint64_t u;
-                        char *e;
-
-                        e = strchr(eq, ' ');
-                        if (e) {
-                                path = strndupa(eq, e - eq);
-                                weight = e+1;
-                        } else {
-                                log_error("Failed to parse %s value %s.", field, eq);
-                                return -EINVAL;
-                        }
-
-                        if (!path_startswith(path, "/dev")) {
-                                log_error("%s is not a device file in /dev.", path);
-                                return -EINVAL;
-                        }
-
-                        r = safe_atou64(weight, &u);
-                        if (r < 0) {
-                                log_error("Failed to parse %s value %s.", field, weight);
-                                return -EINVAL;
-                        }
-                        r = sd_bus_message_append(m, "v", "a(st)", path, u);
-                }
-
-        } else {
-                log_error("Unknown assignment %s.", assignment);
-                return -EINVAL;
-        }
-
-        if (r < 0)
-                return bus_log_create_error(r);
-
-        return 0;
-}
-
 static int set_property(sd_bus *bus, char **args) {
         _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -4109,11 +4028,11 @@ static int set_property(sd_bus *bus, char **args) {
 
         r = sd_bus_message_new_method_call(
                         bus,
+                        &m,
                         "org.freedesktop.systemd1",
                         "/org/freedesktop/systemd1",
                         "org.freedesktop.systemd1.Manager",
-                        "SetUnitProperties",
-                        &m);
+                        "SetUnitProperties");
         if (r < 0)
                 return bus_log_create_error(r);
 
@@ -4134,7 +4053,7 @@ static int set_property(sd_bus *bus, char **args) {
                 if (r < 0)
                         return bus_log_create_error(r);
 
-                r = append_assignment(m, *i);
+                r = bus_append_unit_property_assignment(m, *i);
                 if (r < 0)
                         return r;
 
@@ -4363,8 +4282,8 @@ static int show_environment(sd_bus *bus, char **args) {
 
 static int switch_root(sd_bus *bus, char **args) {
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        _cleanup_free_ char *init = NULL;
-        const char *root;
+        _cleanup_free_ char *cmdline_init = NULL;
+        const char *root, *init;
         unsigned l;
         int r;
 
@@ -4377,20 +4296,33 @@ static int switch_root(sd_bus *bus, char **args) {
         root = args[1];
 
         if (l >= 3)
-                init = strdup(args[2]);
+                init = args[2];
         else {
-                parse_env_file("/proc/cmdline", WHITESPACE,
-                               "init", &init,
-                               NULL);
+                r = parse_env_file("/proc/cmdline", WHITESPACE,
+                                   "init", &cmdline_init,
+                                   NULL);
+                if (r < 0)
+                        log_debug("Failed to parse /proc/cmdline: %s", strerror(-r));
 
-                if (!init)
-                        init = strdup("");
+                init = cmdline_init;
         }
 
-        if (!init)
-                return log_oom();
+        if (isempty(init))
+                init = NULL;
+
+        if (init) {
+                const char *root_systemd_path = NULL, *root_init_path = NULL;
 
-        log_debug("switching root - root: %s; init: %s", root, init);
+                root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
+                root_init_path = strappenda3(root, "/", init);
+
+                /* If the passed init is actually the same as the
+                 * systemd binary, then let's suppress it. */
+                if (files_same(root_init_path, root_systemd_path) > 0)
+                        init = NULL;
+        }
+
+        log_debug("Switching root - root: %s; init: %s", root, strna(init));
 
         r = sd_bus_call_method(
                         bus,
@@ -4424,11 +4356,11 @@ static int set_environment(sd_bus *bus, char **args) {
 
         r = sd_bus_message_new_method_call(
                         bus,
+                        &m,
                         "org.freedesktop.systemd1",
                         "/org/freedesktop/systemd1",
                         "org.freedesktop.systemd1.Manager",
-                        method,
-                        &m);
+                        method);
         if (r < 0)
                 return bus_log_create_error(r);
 
@@ -4445,6 +4377,69 @@ static int set_environment(sd_bus *bus, char **args) {
         return 0;
 }
 
+static int import_environment(sd_bus *bus, char **args) {
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+        int r;
+
+        assert(bus);
+        assert(args);
+
+        r = sd_bus_message_new_method_call(
+                        bus,
+                        &m,
+                        "org.freedesktop.systemd1",
+                        "/org/freedesktop/systemd1",
+                        "org.freedesktop.systemd1.Manager",
+                        "SetEnvironment");
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        if (strv_isempty(args + 1))
+                r = sd_bus_message_append_strv(m, environ);
+        else {
+                char **a, **b;
+
+                r = sd_bus_message_open_container(m, 'a', "s");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                STRV_FOREACH(a, args + 1) {
+
+                        if (!env_name_is_valid(*a)) {
+                                log_error("Not a valid environment variable name: %s", *a);
+                                return -EINVAL;
+                        }
+
+                        STRV_FOREACH(b, environ) {
+                                const char *eq;
+
+                                eq = startswith(*b, *a);
+                                if (eq && *eq == '=') {
+
+                                        r = sd_bus_message_append(m, "s", *b);
+                                        if (r < 0)
+                                                return bus_log_create_error(r);
+
+                                        break;
+                                }
+                        }
+                }
+
+                r = sd_bus_message_close_container(m);
+        }
+        if (r < 0)
+                return bus_log_create_error(r);
+
+        r = sd_bus_call(bus, m, 0, &error, NULL);
+        if (r < 0) {
+                log_error("Failed to import environment: %s", bus_error_message(&error, r));
+                return r;
+        }
+
+        return 0;
+}
+
 static int enable_sysv_units(const char *verb, char **args) {
         int r = 0;
 
@@ -4654,6 +4649,11 @@ static int enable_unit(sd_bus *bus, char **args) {
         if (r < 0)
                 return r;
 
+        /* If the operation was fully executed by the SysV compat,
+         * let's finish early */
+        if (strv_isempty(names))
+                return 0;
+
         if (!bus || avoid_bus()) {
                 if (streq(verb, "enable")) {
                         r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes);
@@ -4715,11 +4715,11 @@ static int enable_unit(sd_bus *bus, char **args) {
 
                 r = sd_bus_message_new_method_call(
                                 bus,
+                                &m,
                                 "org.freedesktop.systemd1",
                                 "/org/freedesktop/systemd1",
                                 "org.freedesktop.systemd1.Manager",
-                                method,
-                                &m);
+                                method);
                 if (r < 0)
                         return bus_log_create_error(r);
 
@@ -4949,7 +4949,8 @@ static int systemctl_help(void) {
                "Environment Commands:\n"
                "  show-environment                Dump environment\n"
                "  set-environment NAME=VALUE...   Set one or more environment variables\n"
-               "  unset-environment NAME...       Unset one or more environment variables\n\n"
+               "  unset-environment NAME...       Unset one or more environment variables\n"
+               "  import-environment NAME...      Import all, one or more environment variables\n\n"
                "Manager Lifecycle Commands:\n"
                "  daemon-reload                   Reload systemd manager configuration\n"
                "  daemon-reexec                   Reexecute systemd manager\n\n"
@@ -5199,10 +5200,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                                         if (!prop)
                                                 return log_oom();
 
-                                        if (strv_push(&arg_properties, prop) < 0) {
-                                                free(prop);
+                                        if (strv_consume(&arg_properties, prop) < 0)
                                                 return log_oom();
-                                        }
                                 }
                         }
 
@@ -5371,10 +5370,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                                 if (!s)
                                         return log_oom();
 
-                                if (strv_push(&arg_states, s) < 0) {
-                                        free(s);
+                                if (strv_consume(&arg_states, s) < 0)
                                         return log_oom();
-                                }
                         }
                         break;
                 }
@@ -5744,7 +5741,6 @@ static int runlevel_parse_argv(int argc, char *argv[]) {
 
                 case ARG_HELP:
                         return runlevel_help();
-                        return 0;
 
                 case '?':
                         return -EINVAL;
@@ -5915,6 +5911,7 @@ static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
                 { "show-environment",      EQUAL, 1, show_environment  },
                 { "set-environment",       MORE,  2, set_environment   },
                 { "unset-environment",     MORE,  2, set_environment   },
+                { "import-environment",    MORE,  1, import_environment},
                 { "halt",                  EQUAL, 1, start_special,    FORCE },
                 { "poweroff",              EQUAL, 1, start_special,    FORCE },
                 { "reboot",                EQUAL, 1, start_special,    FORCE },