chiark / gitweb /
systemctl: make sure daemon-reexec and friends return a correct error code
[elogind.git] / src / systemctl.c
index 9b88da153803a4b348e4baec4be15aadc2e5d1f0..ea09c3cf36df25bcc6e17ef98a20d575654bcf36 100644 (file)
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -30,6 +30,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/socket.h>
+#include <sys/stat.h>
 
 #include <dbus/dbus.h>
 
 #include "initreq.h"
 #include "strv.h"
 #include "dbus-common.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "list.h"
+#include "path-lookup.h"
+#include "conf-parser.h"
+#include "sd-daemon.h"
+#include "shutdownd.h"
+#include "exit-status.h"
+#include "bus-errors.h"
 
 static const char *arg_type = NULL;
-static const char *arg_property = NULL;
+static char **arg_property = NULL;
 static bool arg_all = false;
-static bool arg_replace = false;
+static bool arg_fail = false;
 static bool arg_session = false;
-static bool arg_no_block = false;
+static bool arg_global = false;
 static bool arg_immediate = false;
+static bool arg_no_block = false;
 static bool arg_no_wtmp = false;
 static bool arg_no_sync = false;
 static bool arg_no_wall = false;
+static bool arg_no_reload = false;
 static bool arg_dry = false;
 static bool arg_quiet = false;
+static bool arg_full = false;
+static bool arg_force = false;
+static bool arg_defaults = false;
 static char **arg_wall = NULL;
-enum action {
+static usec_t arg_when = 0;
+static enum action {
         ACTION_INVALID,
         ACTION_SYSTEMCTL,
         ACTION_HALT,
@@ -72,11 +88,45 @@ enum action {
         ACTION_RELOAD,
         ACTION_REEXEC,
         ACTION_RUNLEVEL,
+        ACTION_CANCEL_SHUTDOWN,
         _ACTION_MAX
 } arg_action = ACTION_SYSTEMCTL;
+static enum dot {
+        DOT_ALL,
+        DOT_ORDER,
+        DOT_REQUIRE
+} arg_dot = DOT_ALL;
+
+static bool private_bus = false;
+
+static int daemon_reload(DBusConnection *bus, char **args, unsigned n);
+
+static bool on_tty(void) {
+        static int t = -1;
+
+        if (_unlikely_(t < 0))
+                t = isatty(STDOUT_FILENO) > 0;
+
+        return t;
+}
 
-static bool error_is_no_service(DBusError *error) {
+static const char *ansi_highlight(bool b) {
 
+        if (!on_tty())
+                return "";
+
+        return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static const char *ansi_highlight_green(bool b) {
+
+        if (!on_tty())
+                return "";
+
+        return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static bool error_is_no_service(const DBusError *error) {
         assert(error);
 
         if (!dbus_error_is_set(error))
@@ -91,6 +141,34 @@ static bool error_is_no_service(DBusError *error) {
         return startswith(error->name, "org.freedesktop.DBus.Error.Spawn.");
 }
 
+static int translate_bus_error_to_exit_status(int r, const DBusError *error) {
+        assert(error);
+
+        if (!dbus_error_is_set(error))
+                return r;
+
+        if (dbus_error_has_name(error, DBUS_ERROR_ACCESS_DENIED) ||
+            dbus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
+            dbus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
+            dbus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
+                return EXIT_NOPERMISSION;
+
+        if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
+                return EXIT_NOTINSTALLED;
+
+        if (dbus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
+            dbus_error_has_name(error, BUS_ERROR_NOT_SUPPORTED))
+                return EXIT_NOTIMPLEMENTED;
+
+        if (dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
+                return EXIT_NOTCONFIGURED;
+
+        if (r != 0)
+                return r;
+
+        return EXIT_FAILURE;
+}
+
 static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) {
 
         assert(iter);
@@ -107,31 +185,6 @@ static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *da
         return 0;
 }
 
-static int columns(void) {
-        static int parsed_columns = 0;
-        const char *e;
-
-        if (parsed_columns > 0)
-                return parsed_columns;
-
-        if ((e = getenv("COLUMNS")))
-                parsed_columns = atoi(e);
-
-        if (parsed_columns <= 0) {
-                struct winsize ws;
-                zero(ws);
-
-                if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) >= 0)
-                        parsed_columns = ws.ws_col;
-        }
-
-        if (parsed_columns <= 0)
-                parsed_columns = 80;
-
-        return parsed_columns;
-
-}
-
 static void warn_wall(enum action action) {
         static const char *table[_ACTION_MAX] = {
                 [ACTION_HALT]      = "The system is going down for system halt NOW!",
@@ -167,12 +220,43 @@ static void warn_wall(enum action action) {
         utmp_wall(table[action]);
 }
 
+struct unit_info {
+        const char *id;
+        const char *description;
+        const char *load_state;
+        const char *active_state;
+        const char *sub_state;
+        const char *following;
+        const char *unit_path;
+        uint32_t job_id;
+        const char *job_type;
+        const char *job_path;
+};
+
+static int compare_unit_info(const void *a, const void *b) {
+        const char *d1, *d2;
+        const struct unit_info *u = a, *v = b;
+
+        d1 = strrchr(u->id, '.');
+        d2 = strrchr(v->id, '.');
+
+        if (d1 && d2) {
+                int r;
+
+                if ((r = strcasecmp(d1, d2)) != 0)
+                        return r;
+        }
+
+        return strcasecmp(u->id, v->id);
+}
+
 static int list_units(DBusConnection *bus, char **args, unsigned n) {
         DBusMessage *m = NULL, *reply = NULL;
         DBusError error;
         int r;
         DBusMessageIter iter, sub, sub2;
-        unsigned k = 0;
+        unsigned c = 0, k, n_units = 0;
+        struct unit_info *unit_infos = NULL;
 
         dbus_error_init(&error);
 
@@ -188,7 +272,7 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -203,11 +287,8 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
 
         dbus_message_iter_recurse(&iter, &sub);
 
-        printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
-
         while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
-                const char *id, *description, *load_state, *active_state, *sub_state, *unit_state, *job_type, *job_path, *dot;
-                uint32_t job_id;
+                struct unit_info *u;
 
                 if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
                         log_error("Failed to parse reply.");
@@ -215,53 +296,121 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
                         goto finish;
                 }
 
+                if (c >= n_units) {
+                        struct unit_info *w;
+
+                        n_units = MAX(2*c, 16);
+                        w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
+
+                        if (!w) {
+                                log_error("Failed to allocate unit array.");
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        unit_infos = w;
+                }
+
+                u = unit_infos+c;
+
                 dbus_message_iter_recurse(&sub, &sub2);
 
-                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_state, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) {
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
                         log_error("Failed to parse reply.");
                         r = -EIO;
                         goto finish;
                 }
 
-                if ((!arg_type || ((dot = strrchr(id, '.')) &&
-                                   streq(dot+1, arg_type))) &&
-                    (arg_all || !streq(active_state, "inactive"))) {
+                dbus_message_iter_next(&sub);
+                c++;
+        }
+
+        qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
+
+        if (isatty(STDOUT_FILENO)) {
+                if (columns() >= 80+12 || arg_full)
+                        printf("%-25s %-6s %-12s %-18s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
+                else
+                        printf("%-25s %-6s %-12s %-18s %-15s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB");
+        }
 
+        for (k = 0; k < c; k++) {
+                const char *dot;
+                struct unit_info *u = unit_infos+k;
+
+                if ((!arg_type || ((dot = strrchr(u->id, '.')) &&
+                                   streq(dot+1, arg_type))) &&
+                    (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0)) {
+                        char *e;
                         int a = 0, b = 0;
+                        const char *on_loaded, *off_loaded;
+                        const char *on_active, *off_active;
+
+                        if (!streq(u->load_state, "loaded")) {
+                                on_loaded = ansi_highlight(true);
+                                off_loaded = ansi_highlight(false);
+                        } else
+                                on_loaded = off_loaded = "";
+
+                        if (streq(u->active_state, "failed")) {
+                                on_active = ansi_highlight(true);
+                                off_active = ansi_highlight(false);
+                        } else
+                                on_active = off_active = "";
+
+                        e = arg_full ? NULL : ellipsize(u->id, 25, 33);
+
+                        printf("%-25s %s%-6s%s %s%-12s %-18s%s%n",
+                               e ? e : u->id,
+                               on_loaded, u->load_state, off_loaded,
+                               on_active, u->active_state, u->sub_state, off_active,
+                               &a);
 
-                        printf("%-45s %-6s %-12s %-12s%n", id, load_state, active_state, sub_state, &a);
+                        free(e);
 
-                        if (job_id != 0)
-                                printf(" %-15s%n", job_type, &b);
+                        a -= strlen(on_loaded) + strlen(off_loaded);
+                        a -= strlen(on_active) + strlen(off_active);
+
+                        if (u->job_id != 0)
+                                printf(" %-15s%n", u->job_type, &b);
                         else
                                 b = 1 + 15;
 
-                        if (a + b + 2 < columns()) {
-                                if (job_id == 0)
+                        if (a + b + 1 < columns()) {
+                                if (u->job_id == 0)
                                         printf("                ");
 
-                                printf("%.*s", columns() - a - b - 2, description);
+                                if (arg_full)
+                                        printf(" %s", u->description);
+                                else
+                                        printf(" %.*s", columns() - a - b - 1, u->description);
                         }
 
                         fputs("\n", stdout);
-                        k++;
                 }
-
-                dbus_message_iter_next(&sub);
         }
 
-        if (arg_all)
-                printf("\n%u units listed.\n", k);
-        else
-                printf("\n%u live units listed. Pass --all to see dead units, too.\n", k);
+        if (isatty(STDOUT_FILENO)) {
+
+                printf("\nLOAD   = Reflects whether the unit definition was properly loaded.\n"
+                       "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
+                       "SUB    = The low-level unit activation state, values depend on unit type.\n"
+                       "JOB    = Pending job for the unit.\n");
+
+                if (arg_all)
+                        printf("\n%u units listed.\n", c);
+                else
+                        printf("\n%u units listed. Pass --all to see inactive units, too.\n", c);
+        }
 
         r = 0;
 
@@ -272,40 +421,110 @@ finish:
         if (reply)
                 dbus_message_unref(reply);
 
+        free(unit_infos);
+
         dbus_error_free(&error);
 
         return r;
 }
 
-static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
+static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
+        static const char * const colors[] = {
+                "Requires",              "[color=\"black\"]",
+                "RequiresOverridable",   "[color=\"black\"]",
+                "Requisite",             "[color=\"darkblue\"]",
+                "RequisiteOverridable",  "[color=\"darkblue\"]",
+                "Wants",                 "[color=\"darkgrey\"]",
+                "Conflicts",             "[color=\"red\"]",
+                "ConflictedBy",          "[color=\"red\"]",
+                "After",                 "[color=\"green\"]"
+        };
+
+        const char *c = NULL;
+        unsigned i;
+
+        assert(name);
+        assert(prop);
+        assert(iter);
+
+        for (i = 0; i < ELEMENTSOF(colors); i += 2)
+                if (streq(colors[i], prop)) {
+                        c = colors[i+1];
+                        break;
+                }
+
+        if (!c)
+                return 0;
+
+        if (arg_dot != DOT_ALL)
+                if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
+                        return 0;
+
+        switch (dbus_message_iter_get_arg_type(iter)) {
+
+        case DBUS_TYPE_ARRAY:
+
+                if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+
+                        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                                const char *s;
+
+                                assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+                                dbus_message_iter_get_basic(&sub, &s);
+                                printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
+
+                                dbus_message_iter_next(&sub);
+                        }
+
+                        return 0;
+                }
+        }
+
+        return 0;
+}
+
+static int dot_one(DBusConnection *bus, const char *name, const char *path) {
         DBusMessage *m = NULL, *reply = NULL;
-        DBusError error;
+        const char *interface = "org.freedesktop.systemd1.Unit";
         int r;
-        DBusMessageIter iter, sub, sub2;
-        unsigned k = 0;
-
-        dbus_error_init(&error);
+        DBusError error;
+        DBusMessageIter iter, sub, sub2, sub3;
 
         assert(bus);
+        assert(path);
+
+        dbus_error_init(&error);
 
         if (!(m = dbus_message_new_method_call(
                               "org.freedesktop.systemd1",
-                              "/org/freedesktop/systemd1",
-                              "org.freedesktop.systemd1.Manager",
-                              "ListJobs"))) {
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "GetAll"))) {
                 log_error("Could not allocate message.");
-                return -ENOMEM;
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
 
         if (!dbus_message_iter_init(reply, &iter) ||
             dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
-            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY)  {
                 log_error("Failed to parse reply.");
                 r = -EIO;
                 goto finish;
@@ -313,13 +532,10 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
 
         dbus_message_iter_recurse(&iter, &sub);
 
-        printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
-
         while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
-                const char *name, *type, *state, *job_path, *unit_path;
-                uint32_t id;
+                const char *prop;
 
-                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
                         log_error("Failed to parse reply.");
                         r = -EIO;
                         goto finish;
@@ -327,24 +543,29 @@ static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
 
                 dbus_message_iter_recurse(&sub, &sub2);
 
-                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
-                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
                         log_error("Failed to parse reply.");
                         r = -EIO;
                         goto finish;
                 }
 
-                printf("%4u %-45s %-17s %-7s\n", id, name, type, state);
-                k++;
+                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT)  {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub2, &sub3);
+
+                if (dot_one_property(name, prop, &sub3)) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
 
                 dbus_message_iter_next(&sub);
         }
 
-        printf("\n%u jobs listed.\n", k);
         r = 0;
 
 finish:
@@ -359,49 +580,84 @@ finish:
         return r;
 }
 
-static int load_unit(DBusConnection *bus, char **args, unsigned n) {
+static int dot(DBusConnection *bus, char **args, unsigned n) {
         DBusMessage *m = NULL, *reply = NULL;
         DBusError error;
         int r;
-        unsigned i;
+        DBusMessageIter iter, sub, sub2;
 
         dbus_error_init(&error);
 
         assert(bus);
-        assert(args);
 
-        for (i = 1; i < n; i++) {
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "ListUnits"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
 
-                if (!(m = dbus_message_new_method_call(
-                                      "org.freedesktop.systemd1",
-                                      "/org/freedesktop/systemd1",
-                                      "org.freedesktop.systemd1.Manager",
-                                      "LoadUnit"))) {
-                        log_error("Could not allocate message.");
-                        r = -ENOMEM;
-                        goto finish;
-                }
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
 
-                if (!dbus_message_append_args(m,
-                                              DBUS_TYPE_STRING, &args[i],
-                                              DBUS_TYPE_INVALID)) {
-                        log_error("Could not append arguments to message.");
-                        r = -ENOMEM;
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        printf("digraph systemd {\n");
+
+        dbus_message_iter_recurse(&iter, &sub);
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
                         goto finish;
                 }
 
-                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
+                        log_error("Failed to parse reply.");
                         r = -EIO;
                         goto finish;
                 }
 
-                dbus_message_unref(m);
-                dbus_message_unref(reply);
+                if ((r = dot_one(bus, id, unit_path)) < 0)
+                        goto finish;
 
-                m = reply = NULL;
+                /* printf("\t\"%s\";\n", id); */
+                dbus_message_iter_next(&sub);
         }
 
+        printf("}\n");
+
+        log_info("   Color legend: black     = Requires\n"
+                 "                 dark blue = Requisite\n"
+                 "                 dark grey = Wants\n"
+                 "                 red       = Conflicts\n"
+                 "                 green     = After\n");
+
+        if (isatty(fileno(stdout)))
+                log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
+                           "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
+
         r = 0;
 
 finish:
@@ -416,24 +672,173 @@ finish:
         return r;
 }
 
-static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
+static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
         DBusMessage *m = NULL, *reply = NULL;
         DBusError error;
         int r;
-        unsigned i;
+        DBusMessageIter iter, sub, sub2;
+        unsigned k = 0;
 
         dbus_error_init(&error);
 
         assert(bus);
-        assert(args);
-
-        for (i = 1; i < n; i++) {
-                unsigned id;
-                const char *path;
 
-                if (!(m = dbus_message_new_method_call(
-                                      "org.freedesktop.systemd1",
-                                      "/org/freedesktop/systemd1",
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "ListJobs"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (isatty(STDOUT_FILENO))
+                printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
+
+        while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+                const char *name, *type, *state, *job_path, *unit_path;
+                uint32_t id;
+                char *e;
+
+                if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_recurse(&sub, &sub2);
+
+                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
+                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                e = arg_full ? NULL : ellipsize(name, 25, 33);
+                printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
+                free(e);
+
+                k++;
+
+                dbus_message_iter_next(&sub);
+        }
+
+        if (isatty(STDOUT_FILENO))
+                printf("\n%u jobs listed.\n", k);
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int load_unit(DBusConnection *bus, char **args, unsigned n) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        unsigned i;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+        assert(args);
+
+        for (i = 1; i < n; i++) {
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "LoadUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, &args[i],
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        unsigned i;
+
+        dbus_error_init(&error);
+
+        assert(bus);
+        assert(args);
+
+        if (n <= 1)
+                return daemon_reload(bus, args, n);
+
+        for (i = 1; i < n; i++) {
+                unsigned id;
+                const char *path;
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
                                       "org.freedesktop.systemd1.Manager",
                                       "GetJob"))) {
                         log_error("Could not allocate message.");
@@ -456,7 +861,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
                 }
 
                 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -464,7 +869,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
                 if (!dbus_message_get_args(reply, &error,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID)) {
-                        log_error("Failed to parse reply: %s", error.message);
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -482,7 +887,7 @@ static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
 
                 dbus_message_unref(reply);
                 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -506,6 +911,77 @@ finish:
         return r;
 }
 
+static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
+        DBusMessage *m = NULL, *reply = NULL;
+        dbus_bool_t b = FALSE;
+        DBusMessageIter iter, sub;
+        const char
+                *interface = "org.freedesktop.systemd1.Unit",
+                *property = "NeedDaemonReload",
+                *path;
+
+        /* We ignore all errors here, since this is used to show a warning only */
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              "GetUnit")))
+                goto finish;
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &unit,
+                                      DBUS_TYPE_INVALID))
+                goto finish;
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+                goto finish;
+
+        if (!dbus_message_get_args(reply, NULL,
+                                   DBUS_TYPE_OBJECT_PATH, &path,
+                                   DBUS_TYPE_INVALID))
+                goto finish;
+
+        dbus_message_unref(m);
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              path,
+                              "org.freedesktop.DBus.Properties",
+                              "Get")))
+                goto finish;
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_STRING, &property,
+                                      DBUS_TYPE_INVALID)) {
+                goto finish;
+        }
+
+        dbus_message_unref(reply);
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+                goto finish;
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+                goto finish;
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
+                goto finish;
+
+        dbus_message_iter_get_basic(&sub, &b);
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        return b;
+}
+
 typedef struct WaitData {
         Set *set;
         bool failed;
@@ -521,10 +997,10 @@ static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *me
 
         dbus_error_init(&error);
 
-        /* log_debug("Got D-Bus request: %s.%s() on %s", */
-        /*           dbus_message_get_interface(message), */
-        /*           dbus_message_get_member(message), */
-        /*           dbus_message_get_path(message)); */
+        log_debug("Got D-Bus request: %s.%s() on %s",
+                  dbus_message_get_interface(message),
+                  dbus_message_get_member(message),
+                  dbus_message_get_path(message));
 
         if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
                 log_error("Warning! D-Bus connection terminated.");
@@ -540,7 +1016,7 @@ static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *me
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_BOOLEAN, &success,
                                            DBUS_TYPE_INVALID))
-                        log_error("Failed to parse message: %s", error.message);
+                        log_error("Failed to parse message: %s", bus_error_message(&error));
                 else {
                         char *p;
 
@@ -561,6 +1037,9 @@ static int enable_wait_for_jobs(DBusConnection *bus) {
 
         assert(bus);
 
+        if (private_bus)
+                return 0;
+
         dbus_error_init(&error);
         dbus_bus_add_match(bus,
                            "type='signal',"
@@ -571,7 +1050,7 @@ static int enable_wait_for_jobs(DBusConnection *bus) {
                            &error);
 
         if (dbus_error_is_set(&error)) {
-                log_error("Failed to add match: %s", error.message);
+                log_error("Failed to add match: %s", bus_error_message(&error));
                 dbus_error_free(&error);
                 return -EIO;
         }
@@ -602,7 +1081,7 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) {
                 ;
 
         if (!arg_quiet && d.failed)
-                log_error("Job failed, see logs for details.");
+                log_error("Job failed, see system logs for details.");
 
         r = d.failed ? -EIO : 0;
 
@@ -617,20 +1096,20 @@ static int start_unit_one(
                 const char *method,
                 const char *name,
                 const char *mode,
+                DBusError *error,
                 Set *s) {
 
         DBusMessage *m = NULL, *reply = NULL;
-        DBusError error;
+        const char *path;
         int r;
 
         assert(bus);
         assert(method);
         assert(name);
         assert(mode);
+        assert(error);
         assert(arg_no_block || s);
 
-        dbus_error_init(&error);
-
         if (!(m = dbus_message_new_method_call(
                               "org.freedesktop.systemd1",
                               "/org/freedesktop/systemd1",
@@ -650,32 +1129,35 @@ static int start_unit_one(
                 goto finish;
         }
 
-        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error))) {
 
-                if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
+                if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(error)) {
                         /* There's always a fallback possible for
                          * legacy actions. */
-                        r = 0;
+                        r = -EADDRNOTAVAIL;
                         goto finish;
                 }
 
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_get_args(reply, error,
+                                   DBUS_TYPE_OBJECT_PATH, &path,
+                                   DBUS_TYPE_INVALID)) {
+                log_error("Failed to parse reply: %s", bus_error_message(error));
                 r = -EIO;
                 goto finish;
         }
 
+        if (need_daemon_reload(bus, name))
+                log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
+                            arg_session ? "--session" : "--system");
+
         if (!arg_no_block) {
-                const char *path;
                 char *p;
 
-                if (!dbus_message_get_args(reply, &error,
-                                           DBUS_TYPE_OBJECT_PATH, &path,
-                                           DBUS_TYPE_INVALID)) {
-                        log_error("Failed to parse reply: %s", error.message);
-                        r = -EIO;
-                        goto finish;
-                }
-
                 if (!(p = strdup(path))) {
                         log_error("Failed to duplicate path.");
                         r = -ENOMEM;
@@ -689,7 +1171,7 @@ static int start_unit_one(
                 }
         }
 
-        r = 1;
+        r = 0;
 
 finish:
         if (m)
@@ -698,8 +1180,6 @@ finish:
         if (reply)
                 dbus_message_unref(reply);
 
-        dbus_error_free(&error);
-
         return r;
 }
 
@@ -731,30 +1211,38 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) {
                 [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
                 [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
                 [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
-                [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_SERVICE,
+                [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
                 [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET
         };
 
-        int r;
+        int r, ret = 0;
         unsigned i;
         const char *method, *mode, *one_name;
         Set *s = NULL;
+        DBusError error;
+
+        dbus_error_init(&error);
 
         assert(bus);
 
         if (arg_action == ACTION_SYSTEMCTL) {
                 method =
-                        streq(args[0], "stop")    ? "StopUnit" :
-                        streq(args[0], "reload")  ? "ReloadUnit" :
-                        streq(args[0], "restart") ? "RestartUnit" :
-                                                    "StartUnit";
+                        streq(args[0], "stop")                  ? "StopUnit" :
+                        streq(args[0], "reload")                ? "ReloadUnit" :
+                        streq(args[0], "restart")               ? "RestartUnit" :
+                        streq(args[0], "try-restart")           ? "TryRestartUnit" :
+                        streq(args[0], "reload-or-restart")     ? "ReloadOrRestartUnit" :
+                        streq(args[0], "reload-or-try-restart") ||
+                        streq(args[0], "force-reload")          ||
+                        streq(args[0], "condrestart")           ? "ReloadOrTryRestartUnit" :
+                                                                  "StartUnit";
 
                 mode =
                         (streq(args[0], "isolate") ||
                          streq(args[0], "rescue")  ||
                          streq(args[0], "emergency")) ? "isolate" :
-                                          arg_replace ? "replace" :
-                                                        "fail";
+                                             arg_fail ? "fail" :
+                                                        "replace";
 
                 one_name = table[verb_to_action(args[0])];
 
@@ -771,46 +1259,56 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) {
         }
 
         if (!arg_no_block) {
-                if ((r = enable_wait_for_jobs(bus)) < 0) {
-                        log_error("Could not watch jobs: %s", strerror(-r));
+                if ((ret = enable_wait_for_jobs(bus)) < 0) {
+                        log_error("Could not watch jobs: %s", strerror(-ret));
                         goto finish;
                 }
 
                 if (!(s = set_new(string_hash_func, string_compare_func))) {
                         log_error("Failed to allocate set.");
-                        r = -ENOMEM;
+                        ret = -ENOMEM;
                         goto finish;
                 }
         }
 
-        r = 0;
-
         if (one_name) {
-                if ((r = start_unit_one(bus, method, one_name, mode, s)) <= 0)
+                if ((ret = start_unit_one(bus, method, one_name, mode, &error, s)) <= 0)
                         goto finish;
         } else {
                 for (i = 1; i < n; i++)
-                        if ((r = start_unit_one(bus, method, args[i], mode, s)) < 0)
-                                goto finish;
+                        if ((r = start_unit_one(bus, method, args[i], mode, &error, s)) != 0) {
+                                ret = translate_bus_error_to_exit_status(r, &error);
+                                dbus_error_free(&error);
+                        }
         }
 
         if (!arg_no_block)
-                r = wait_for_jobs(bus, s);
+                if ((r = wait_for_jobs(bus, s)) < 0) {
+                        ret = r;
+                        goto finish;
+                }
 
 finish:
         if (s)
                 set_free_free(s);
 
-        return r;
+        dbus_error_free(&error);
+
+        return ret;
 }
 
 static int start_special(DBusConnection *bus, char **args, unsigned n) {
+        int r;
+
         assert(bus);
         assert(args);
 
-        warn_wall(verb_to_action(args[0]));
+        r = start_unit(bus, args, n);
+
+        if (r >= 0)
+                warn_wall(verb_to_action(args[0]));
 
-        return start_unit(bus, args, n);
+        return r;
 }
 
 static int check_unit(DBusConnection *bus, char **args, unsigned n) {
@@ -818,7 +1316,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) {
         const char
                 *interface = "org.freedesktop.systemd1.Unit",
                 *property = "ActiveState";
-        int r = -EADDRNOTAVAIL;
+        int r = 3; /* According to LSB: "program is not running" */
         DBusError error;
         unsigned i;
 
@@ -856,13 +1354,14 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) {
                         if (!arg_quiet)
                                 puts("unknown");
 
+                        dbus_error_free(&error);
                         continue;
                 }
 
                 if (!dbus_message_get_args(reply, &error,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID)) {
-                        log_error("Failed to parse reply: %s", error.message);
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -889,7 +1388,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) {
 
                 dbus_message_unref(reply);
                 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -914,7 +1413,7 @@ static int check_unit(DBusConnection *bus, char **args, unsigned n) {
                 if (!arg_quiet)
                         puts(state);
 
-                if (streq(state, "active") || startswith(state, "reloading"))
+                if (streq(state, "active") || streq(state, "reloading"))
                         r = 0;
 
                 dbus_message_unref(m);
@@ -934,52 +1433,98 @@ finish:
         return r;
 }
 
-static void show_cgroup(const char *name) {
-        char *fn;
-        FILE *f;
-        pid_t last = 0;
+typedef struct ExecStatusInfo {
+        char *path;
+        char **argv;
 
-        if (!startswith(name, "name=systemd:"))
-                return;
+        bool ignore;
 
-        if (asprintf(&fn, "/cgroup/systemd/%s/tasks", name + 13) < 0)
-                return;
+        usec_t start_timestamp;
+        usec_t exit_timestamp;
+        pid_t pid;
+        int code;
+        int status;
 
-        f = fopen(fn, "r");
-        free(fn);
+        LIST_FIELDS(struct ExecStatusInfo, exec);
+} ExecStatusInfo;
 
-        if (!f)
-                return;
+static void exec_status_info_free(ExecStatusInfo *i) {
+        assert(i);
 
-        printf("\t\t  \342\224\202\n");
+        free(i->path);
+        strv_free(i->argv);
+        free(i);
+}
 
-        while (!feof(f)) {
-                unsigned long ul;
+static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) {
+        uint64_t start_timestamp, exit_timestamp;
+        DBusMessageIter sub2, sub3;
+        const char*path;
+        unsigned n;
+        uint32_t pid;
+        int32_t code, status;
+        dbus_bool_t ignore;
 
-                if (fscanf(f, "%lu", &ul) != 1)
-                        break;
+        assert(i);
+        assert(i);
 
-                if (ul <= 0)
-                        continue;
+        if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT)
+                return -EIO;
 
-                if (last > 0) {
-                        char *t = NULL;
-                        get_process_cmdline(last, 60, &t);
-                        printf("\t\t  \342\224\234 %lu %s\n", (unsigned long) last, strna(t));
-                        free(t);
-                }
+        dbus_message_iter_recurse(sub, &sub2);
+
+        if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
+                return -EIO;
+
+        if (!(i->path = strdup(path)))
+                return -ENOMEM;
+
+        if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
+                return -EIO;
 
-                last = (pid_t) ul;
+        n = 0;
+        dbus_message_iter_recurse(&sub2, &sub3);
+        while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+                assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+                dbus_message_iter_next(&sub3);
+                n++;
         }
 
-        if (last > 0) {
-                char *t = NULL;
-                get_process_cmdline(last, 60, &t);
-                printf("\t\t  \342\224\224 %lu %s\n", (unsigned long) last, strna(t));
-                free(t);
+
+        if (!(i->argv = new0(char*, n+1)))
+                return -ENOMEM;
+
+        n = 0;
+        dbus_message_iter_recurse(&sub2, &sub3);
+        while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
+                const char *s;
+
+                assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
+                dbus_message_iter_get_basic(&sub3, &s);
+                dbus_message_iter_next(&sub3);
+
+                if (!(i->argv[n++] = strdup(s)))
+                        return -ENOMEM;
         }
 
-        fclose(f);
+        if (!dbus_message_iter_next(&sub2) ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 ||
+            bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
+                return -EIO;
+
+        i->ignore = ignore;
+        i->start_timestamp = (usec_t) start_timestamp;
+        i->exit_timestamp = (usec_t) exit_timestamp;
+        i->pid = (pid_t) pid;
+        i->code = code;
+        i->status = status;
+
+        return 0;
 }
 
 typedef struct UnitStatusInfo {
@@ -990,14 +1535,22 @@ typedef struct UnitStatusInfo {
 
         const char *description;
 
-        const char *fragment_path;
+        const char *path;
         const char *default_control_group;
 
+        usec_t inactive_exit_timestamp;
+        usec_t active_enter_timestamp;
+        usec_t active_exit_timestamp;
+        usec_t inactive_enter_timestamp;
+
+        bool need_daemon_reload;
+
         /* Service */
         pid_t main_pid;
         pid_t control_pid;
         const char *status_text;
-        bool running;
+        bool running:1;
+        bool is_sysv:1;
 
         usec_t start_timestamp;
         usec_t exit_timestamp;
@@ -1007,6 +1560,7 @@ typedef struct UnitStatusInfo {
         /* Socket */
         unsigned n_accepted;
         unsigned n_connections;
+        bool accept;
 
         /* Device */
         const char *sysfs_path;
@@ -1016,9 +1570,17 @@ typedef struct UnitStatusInfo {
 
         /* Swap */
         const char *what;
+
+        LIST_HEAD(ExecStatusInfo, exec);
 } UnitStatusInfo;
 
 static void print_status_info(UnitStatusInfo *i) {
+        ExecStatusInfo *p;
+        const char *on, *off, *ss;
+        usec_t timestamp;
+        char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
+        char since2[FORMAT_TIMESTAMP_MAX], *s2;
+
         assert(i);
 
         /* This shows pretty information about a unit. See
@@ -1031,21 +1593,56 @@ static void print_status_info(UnitStatusInfo *i) {
 
         printf("\n");
 
-        if (i->fragment_path)
-                printf("\t  Loaded: %s (%s)\n", strna(i->load_state), i->fragment_path);
-        else if (streq_ptr(i->load_state, "failed"))
-                printf("\t  Loaded: " ANSI_HIGHLIGHT_ON "%s" ANSI_HIGHLIGHT_OFF "\n", strna(i->load_state));
-        else
-                printf("\t  Loaded: %s\n", strna(i->load_state));
+        if (streq_ptr(i->load_state, "failed")) {
+                on = ansi_highlight(true);
+                off = ansi_highlight(false);
+        } else
+                on = off = "";
 
-        if (streq_ptr(i->active_state, "maintenance"))
-                printf("\t  Active: " ANSI_HIGHLIGHT_ON "%s (%s)" ANSI_HIGHLIGHT_OFF "\n",
+        if (i->path)
+                printf("\t  Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
+        else
+                printf("\t  Loaded: %s%s%s\n", on, strna(i->load_state), off);
+
+        ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
+
+        if (streq_ptr(i->active_state, "failed")) {
+                on = ansi_highlight(true);
+                off = ansi_highlight(false);
+        } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
+                on = ansi_highlight_green(true);
+                off = ansi_highlight_green(false);
+        } else
+                on = off = "";
+
+        if (ss)
+                printf("\t  Active: %s%s (%s)%s",
+                       on,
                        strna(i->active_state),
-                       strna(i->sub_state));
+                       ss,
+                       off);
         else
-                printf("\t  Active: %s (%s)\n",
+                printf("\t  Active: %s%s%s",
+                       on,
                        strna(i->active_state),
-                       strna(i->sub_state));
+                       off);
+
+        timestamp = (streq_ptr(i->active_state, "active")      ||
+                     streq_ptr(i->active_state, "reloading"))   ? i->active_enter_timestamp :
+                    (streq_ptr(i->active_state, "inactive")    ||
+                     streq_ptr(i->active_state, "failed"))      ? i->inactive_enter_timestamp :
+                    streq_ptr(i->active_state, "activating")    ? i->inactive_exit_timestamp :
+                                                                  i->active_exit_timestamp;
+
+        s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
+        s2 = format_timestamp(since2, sizeof(since2), timestamp);
+
+        if (s1)
+                printf(" since [%s; %s]\n", s2, s1);
+        else if (s2)
+                printf(" since [%s]\n", s2);
+        else
+                printf("\n");
 
         if (i->sysfs_path)
                 printf("\t  Device: %s\n", i->sysfs_path);
@@ -1054,17 +1651,47 @@ static void print_status_info(UnitStatusInfo *i) {
         else if (i->what)
                 printf("\t    What: %s\n", i->what);
 
-        if (i->status_text)
-                printf("\t  Status: \"%s\"\n", i->status_text);
-
-        if (i->id && endswith(i->id, ".socket"))
+        if (i->accept)
                 printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections);
 
+        LIST_FOREACH(exec, p, i->exec) {
+                char *t;
+
+                /* Only show exited processes here */
+                if (p->code == 0)
+                        continue;
+
+                t = strv_join(p->argv, " ");
+                printf("\t Process: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code));
+                free(t);
+
+                if (p->code == CLD_EXITED) {
+                        const char *c;
+
+                        printf("status=%i", p->status);
+
+                        if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+                                printf("/%s", c);
+
+                } else
+                        printf("signal=%s", signal_to_string(p->status));
+                printf(")\n");
+
+                if (i->main_pid == p->pid &&
+                    i->start_timestamp == p->start_timestamp &&
+                    i->exit_timestamp == p->start_timestamp)
+                        /* Let's not show this twice */
+                        i->main_pid = 0;
+
+                if (p->pid == i->control_pid)
+                        i->control_pid = 0;
+        }
+
         if (i->main_pid > 0 || i->control_pid > 0) {
                 printf("\t");
 
                 if (i->main_pid > 0) {
-                        printf(" Process: %u", (unsigned) i->main_pid);
+                        printf("Main PID: %u", (unsigned) i->main_pid);
 
                         if (i->running) {
                                 char *t = NULL;
@@ -1073,13 +1700,19 @@ static void print_status_info(UnitStatusInfo *i) {
                                         printf(" (%s)", t);
                                         free(t);
                                 }
-                        } else {
+                        } else if (i->exit_code > 0) {
                                 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
 
-                                if (i->exit_code == CLD_EXITED)
+                                if (i->exit_code == CLD_EXITED) {
+                                        const char *c;
+
                                         printf("status=%i", i->exit_status);
-                                else
-                                        printf("signal=%s", strsignal(i->exit_status));
+
+                                        if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+                                                printf("/%s", c);
+
+                                } else
+                                        printf("signal=%s", signal_to_string(i->exit_status));
                                 printf(")");
                         }
                 }
@@ -1102,10 +1735,27 @@ static void print_status_info(UnitStatusInfo *i) {
                 printf("\n");
         }
 
+        if (i->status_text)
+                printf("\t  Status: \"%s\"\n", i->status_text);
+
         if (i->default_control_group) {
+                unsigned c;
+
                 printf("\t  CGroup: %s\n", i->default_control_group);
-                show_cgroup(i->default_control_group);
+
+                if ((c = columns()) > 18)
+                        c -= 18;
+                else
+                        c = 0;
+
+                show_cgroup_by_path(i->default_control_group, "\t\t  ", c);
         }
+
+        if (i->need_daemon_reload)
+                printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
+                       ansi_highlight(true),
+                       ansi_highlight(false),
+                       arg_session ? "--session" : "--system");
 }
 
 static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
@@ -1129,8 +1779,11 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
                         else if (streq(name, "Description"))
                                 i->description = s;
                         else if (streq(name, "FragmentPath"))
-                                i->fragment_path = s;
-                        else if (streq(name, "DefaultControlGroup"))
+                                i->path = s;
+                        else if (streq(name, "SysVPath")) {
+                                i->is_sysv = true;
+                                i->path = s;
+                        } else if (streq(name, "DefaultControlGroup"))
                                 i->default_control_group = s;
                         else if (streq(name, "StatusText"))
                                 i->status_text = s;
@@ -1145,6 +1798,19 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
                 break;
         }
 
+        case DBUS_TYPE_BOOLEAN: {
+                dbus_bool_t b;
+
+                dbus_message_iter_get_basic(iter, &b);
+
+                if (streq(name, "Accept"))
+                        i->accept = b;
+                else if (streq(name, "NeedDaemonReload"))
+                        i->need_daemon_reload = b;
+
+                break;
+        }
+
         case DBUS_TYPE_UINT32: {
                 uint32_t u;
 
@@ -1190,6 +1856,42 @@ static int status_property(const char *name, DBusMessageIter *iter, UnitStatusIn
                         i->start_timestamp = (usec_t) u;
                 else if (streq(name, "ExecMainExitTimestamp"))
                         i->exit_timestamp = (usec_t) u;
+                else if (streq(name, "ActiveEnterTimestamp"))
+                        i->active_enter_timestamp = (usec_t) u;
+                else if (streq(name, "InactiveEnterTimestamp"))
+                        i->inactive_enter_timestamp = (usec_t) u;
+                else if (streq(name, "InactiveExitTimestamp"))
+                        i->inactive_exit_timestamp = (usec_t) u;
+                else if (streq(name, "ActiveExitTimestamp"))
+                        i->active_exit_timestamp = (usec_t) u;
+
+                break;
+        }
+
+        case DBUS_TYPE_ARRAY: {
+
+                if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT &&
+                    startswith(name, "Exec")) {
+                        DBusMessageIter sub;
+
+                        dbus_message_iter_recurse(iter, &sub);
+                        while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+                                ExecStatusInfo *info;
+                                int r;
+
+                                if (!(info = new0(ExecStatusInfo, 1)))
+                                        return -ENOMEM;
+
+                                if ((r = exec_status_info_deserialize(&sub, info)) < 0) {
+                                        free(info);
+                                        return r;
+                                }
+
+                                LIST_PREPEND(ExecStatusInfo, exec, i->exec, info);
+
+                                dbus_message_iter_next(&sub);
+                        }
+                }
 
                 break;
         }
@@ -1205,7 +1907,7 @@ static int print_property(const char *name, DBusMessageIter *iter) {
         /* This is a low-level property printer, see
          * print_status_info() for the nicer output */
 
-        if (arg_property && !streq(name, arg_property))
+        if (arg_property && !strv_find(arg_property, name))
                 return 0;
 
         switch (dbus_message_iter_get_arg_type(iter)) {
@@ -1306,7 +2008,6 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                         bool space = false;
 
                         dbus_message_iter_recurse(iter, &sub);
-
                         if (arg_all ||
                             dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
                                 printf("%s=", name);
@@ -1326,11 +2027,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                         }
 
                         return 0;
+
                 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) {
                         DBusMessageIter sub;
 
                         dbus_message_iter_recurse(iter, &sub);
-
                         if (arg_all ||
                             dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
                                 printf("%s=", name);
@@ -1349,11 +2050,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                         }
 
                         return 0;
+
                 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) {
                         DBusMessageIter sub, sub2;
 
                         dbus_message_iter_recurse(iter, &sub);
-
                         while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
                                 const char *type, *path;
 
@@ -1367,11 +2068,11 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                         }
 
                         return 0;
+
                 } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) {
                         DBusMessageIter sub, sub2;
 
                         dbus_message_iter_recurse(iter, &sub);
-
                         while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
                                 const char *base;
                                 uint64_t value, next_elapse;
@@ -1393,59 +2094,39 @@ static int print_property(const char *name, DBusMessageIter *iter) {
                         }
 
                         return 0;
-                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
 
-                        DBusMessageIter sub, sub2, sub3;
+                } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) {
+                        DBusMessageIter sub;
 
                         dbus_message_iter_recurse(iter, &sub);
-
                         while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
-                                const char *path;
-                                uint64_t start_time, exit_time;
-                                uint32_t pid;
-                                int32_t code, status;
-
-                                dbus_message_iter_recurse(&sub, &sub2);
-
-                                if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
-                                        continue;
-
-                                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY ||
-                                    dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING)
-                                        continue;
-
-                                printf("%s={ path=%s ; argv[]=", name, path);
-
-                                dbus_message_iter_recurse(&sub2, &sub3);
-
-                                while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) {
-                                        const char *s;
-
-                                        assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING);
-                                        dbus_message_iter_get_basic(&sub3, &s);
-                                        printf("%s ", s);
-                                        dbus_message_iter_next(&sub3);
-                                }
-
-                                if (dbus_message_iter_next(&sub2) &&
-                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_time, true) >= 0 &&
-                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_time, true) >= 0 &&
-                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) >= 0 &&
-                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) >= 0 &&
-                                    bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) >= 0) {
+                                ExecStatusInfo info;
 
+                                zero(info);
+                                if (exec_status_info_deserialize(&sub, &info) >= 0) {
                                         char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
+                                        char *t;
+
+                                        t = strv_join(info.argv, " ");
+
+                                        printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+                                               name,
+                                               strna(info.path),
+                                               strna(t),
+                                               yes_no(info.ignore),
+                                               strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
+                                               strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
+                                               (unsigned) info. pid,
+                                               sigchld_code_to_string(info.code),
+                                               info.status,
+                                               info.code == CLD_EXITED ? "" : "/",
+                                               strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
 
-                                        printf("; start=%s ; stop=%s ; pid=%u ; code=%s ; status=%i/%s",
-                                               strna(format_timestamp(timestamp1, sizeof(timestamp1), start_time)),
-                                               strna(format_timestamp(timestamp2, sizeof(timestamp2), exit_time)),
-                                               (unsigned) pid,
-                                               sigchld_code_to_string(code),
-                                               status,
-                                               strempty(code == CLD_EXITED ? NULL : strsignal(status)));
+                                        free(t);
                                 }
 
-                                printf(" }\n");
+                                free(info.path);
+                                strv_free(info.argv);
 
                                 dbus_message_iter_next(&sub);
                         }
@@ -1469,6 +2150,7 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties,
         DBusError error;
         DBusMessageIter iter, sub, sub2, sub3;
         UnitStatusInfo info;
+        ExecStatusInfo *p;
 
         assert(bus);
         assert(path);
@@ -1496,7 +2178,7 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties,
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -1555,10 +2237,20 @@ static int show_one(DBusConnection *bus, const char *path, bool show_properties,
                 dbus_message_iter_next(&sub);
         }
 
+        r = 0;
+
         if (!show_properties)
                 print_status_info(&info);
 
-        r = 0;
+        if (!streq_ptr(info.active_state, "active") &&
+            !streq_ptr(info.active_state, "reloading"))
+                /* According to LSB: "program not running" */
+                r = 3;
+
+        while ((p = info.exec)) {
+                LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
+                exec_status_info_free(p);
+        }
 
 finish:
         if (m)
@@ -1574,7 +2266,7 @@ finish:
 
 static int show(DBusConnection *bus, char **args, unsigned n) {
         DBusMessage *m = NULL, *reply = NULL;
-        int r;
+        int r, ret = 0;
         DBusError error;
         unsigned i;
         bool show_properties, new_line = false;
@@ -1590,7 +2282,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                 /* If not argument is specified inspect the manager
                  * itself */
 
-                r = show_one(bus, "/org/freedesktop/systemd1", show_properties, &new_line);
+                ret = show_one(bus, "/org/freedesktop/systemd1", show_properties, &new_line);
                 goto finish;
         }
 
@@ -1598,7 +2290,9 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                 const char *path = NULL;
                 uint32_t id;
 
-                if (!show_properties || safe_atou32(args[i], &id) < 0) {
+                if (safe_atou32(args[i], &id) < 0) {
+
+                        /* Interpret as unit name */
 
                         if (!(m = dbus_message_new_method_call(
                                               "org.freedesktop.systemd1",
@@ -1606,7 +2300,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                                               "org.freedesktop.systemd1.Manager",
                                               "LoadUnit"))) {
                                 log_error("Could not allocate message.");
-                                r = -ENOMEM;
+                                ret = -ENOMEM;
                                 goto finish;
                         }
 
@@ -1614,11 +2308,53 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                                                       DBUS_TYPE_STRING, &args[i],
                                                       DBUS_TYPE_INVALID)) {
                                 log_error("Could not append arguments to message.");
-                                r = -ENOMEM;
+                                ret = -ENOMEM;
                                 goto finish;
                         }
 
-                } else {
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+                                if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
+                                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                        ret = -EIO;
+                                        goto finish;
+                                }
+
+                                dbus_error_free(&error);
+
+                                dbus_message_unref(m);
+                                if (!(m = dbus_message_new_method_call(
+                                                      "org.freedesktop.systemd1",
+                                                      "/org/freedesktop/systemd1",
+                                                      "org.freedesktop.systemd1.Manager",
+                                                      "GetUnit"))) {
+                                        log_error("Could not allocate message.");
+                                        ret = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (!dbus_message_append_args(m,
+                                                              DBUS_TYPE_STRING, &args[i],
+                                                              DBUS_TYPE_INVALID)) {
+                                        log_error("Could not append arguments to message.");
+                                        ret = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+
+                                        if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT))
+                                                ret = 4; /* According to LSB: "program or service status is unknown" */
+                                        else
+                                                ret = -EIO;
+                                        goto finish;
+                                }
+                        }
+
+                } else if (show_properties) {
+
+                        /* Interpret as job id */
 
                         if (!(m = dbus_message_new_method_call(
                                               "org.freedesktop.systemd1",
@@ -1626,7 +2362,7 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                                               "org.freedesktop.systemd1.Manager",
                                               "GetJob"))) {
                                 log_error("Could not allocate message.");
-                                r = -ENOMEM;
+                                ret = -ENOMEM;
                                 goto finish;
                         }
 
@@ -1634,35 +2370,60 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
                                                       DBUS_TYPE_UINT32, &id,
                                                       DBUS_TYPE_INVALID)) {
                                 log_error("Could not append arguments to message.");
-                                r = -ENOMEM;
+                                ret = -ENOMEM;
                                 goto finish;
                         }
-                }
 
-                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
-                        r = -EIO;
-                        goto finish;
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                ret = -EIO;
+                                goto finish;
+                        }
+                } else {
+
+                        /* Interpret as PID */
+
+                        if (!(m = dbus_message_new_method_call(
+                                              "org.freedesktop.systemd1",
+                                              "/org/freedesktop/systemd1",
+                                              "org.freedesktop.systemd1.Manager",
+                                              "GetUnitByPID"))) {
+                                log_error("Could not allocate message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!dbus_message_append_args(m,
+                                                      DBUS_TYPE_UINT32, &id,
+                                                      DBUS_TYPE_INVALID)) {
+                                log_error("Could not append arguments to message.");
+                                ret = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                                ret = -EIO;
+                                goto finish;
+                        }
                 }
 
                 if (!dbus_message_get_args(reply, &error,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID)) {
-                        log_error("Failed to parse reply: %s", error.message);
-                        r = -EIO;
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
+                        ret = -EIO;
                         goto finish;
                 }
 
-                if ((r = show_one(bus, path, show_properties, &new_line)) < 0)
-                        goto finish;
+                if ((r = show_one(bus, path, show_properties, &new_line)) != 0)
+                        ret = r;
 
                 dbus_message_unref(m);
                 dbus_message_unref(reply);
                 m = reply = NULL;
         }
 
-        r = 0;
-
 finish:
         if (m)
                 dbus_message_unref(m);
@@ -1672,7 +2433,7 @@ finish:
 
         dbus_error_free(&error);
 
-        return r;
+        return ret;
 }
 
 static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) {
@@ -1684,10 +2445,10 @@ static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage
 
         dbus_error_init(&error);
 
-        /* log_debug("Got D-Bus request: %s.%s() on %s", */
-        /*           dbus_message_get_interface(message), */
-        /*           dbus_message_get_member(message), */
-        /*           dbus_message_get_path(message)); */
+        log_debug("Got D-Bus request: %s.%s() on %s",
+                  dbus_message_get_interface(message),
+                  dbus_message_get_member(message),
+                  dbus_message_get_path(message));
 
         if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
                 log_error("Warning! D-Bus connection terminated.");
@@ -1701,7 +2462,7 @@ static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage
                                            DBUS_TYPE_STRING, &id,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID))
-                        log_error("Failed to parse message: %s", error.message);
+                        log_error("Failed to parse message: %s", bus_error_message(&error));
                 else if (streq(dbus_message_get_member(message), "UnitNew"))
                         printf("Unit %s added.\n", id);
                 else
@@ -1716,21 +2477,30 @@ static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage
                                            DBUS_TYPE_UINT32, &id,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID))
-                        log_error("Failed to parse message: %s", error.message);
+                        log_error("Failed to parse message: %s", bus_error_message(&error));
                 else if (streq(dbus_message_get_member(message), "JobNew"))
                         printf("Job %u added.\n", id);
                 else
                         printf("Job %u removed.\n", id);
 
 
-        } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") ||
-                   dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) {
+        } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
 
                 const char *path, *interface, *property = "Id";
                 DBusMessageIter iter, sub;
 
                 path = dbus_message_get_path(message);
-                interface = dbus_message_get_interface(message);
+
+                if (!dbus_message_get_args(message, &error,
+                                          DBUS_TYPE_STRING, &interface,
+                                          DBUS_TYPE_INVALID)) {
+                        log_error("Failed to parse message: %s", bus_error_message(&error));
+                        goto finish;
+                }
+
+                if (!streq(interface, "org.freedesktop.systemd1.Job") &&
+                    !streq(interface, "org.freedesktop.systemd1.Unit"))
+                        goto finish;
 
                 if (!(m = dbus_message_new_method_call(
                               "org.freedesktop.systemd1",
@@ -1750,7 +2520,7 @@ static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage
                 }
 
                 if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         goto finish;
                 }
 
@@ -1813,43 +2583,32 @@ static int monitor(DBusConnection *bus, char **args, unsigned n) {
 
         dbus_error_init(&error);
 
-        dbus_bus_add_match(bus,
-                           "type='signal',"
-                           "sender='org.freedesktop.systemd1',"
-                           "interface='org.freedesktop.systemd1.Manager',"
-                           "path='/org/freedesktop/systemd1'",
-                           &error);
-
-        if (dbus_error_is_set(&error)) {
-                log_error("Failed to add match: %s", error.message);
-                r = -EIO;
-                goto finish;
-        }
-
-        dbus_bus_add_match(bus,
-                           "type='signal',"
-                           "sender='org.freedesktop.systemd1',"
-                           "interface='org.freedesktop.systemd1.Unit',"
-                           "member='Changed'",
-                           &error);
+        if (!private_bus) {
+                dbus_bus_add_match(bus,
+                                   "type='signal',"
+                                   "sender='org.freedesktop.systemd1',"
+                                   "interface='org.freedesktop.systemd1.Manager',"
+                                   "path='/org/freedesktop/systemd1'",
+                                   &error);
 
-        if (dbus_error_is_set(&error)) {
-                log_error("Failed to add match: %s", error.message);
-                r = -EIO;
-                goto finish;
-        }
+                if (dbus_error_is_set(&error)) {
+                        log_error("Failed to add match: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
 
-        dbus_bus_add_match(bus,
-                           "type='signal',"
-                           "sender='org.freedesktop.systemd1',"
-                           "interface='org.freedesktop.systemd1.Job',"
-                           "member='Changed'",
-                           &error);
+                dbus_bus_add_match(bus,
+                                   "type='signal',"
+                                   "sender='org.freedesktop.systemd1',"
+                                   "interface='org.freedesktop.DBus.Properties',"
+                                   "member='PropertiesChanged'",
+                                   &error);
 
-        if (dbus_error_is_set(&error)) {
-                log_error("Failed to add match: %s", error.message);
-                r = -EIO;
-                goto finish;
+                if (dbus_error_is_set(&error)) {
+                        log_error("Failed to add match: %s", bus_error_message(&error));
+                        r = -EIO;
+                        goto finish;
+                }
         }
 
         if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) {
@@ -1869,7 +2628,7 @@ static int monitor(DBusConnection *bus, char **args, unsigned n) {
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -1912,7 +2671,7 @@ static int dump(DBusConnection *bus, char **args, unsigned n) {
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -1920,7 +2679,7 @@ static int dump(DBusConnection *bus, char **args, unsigned n) {
         if (!dbus_message_get_args(reply, &error,
                                    DBUS_TYPE_STRING, &text,
                                    DBUS_TYPE_INVALID)) {
-                log_error("Failed to parse reply: %s", error.message);
+                log_error("Failed to parse reply: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -1976,7 +2735,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) {
         }
 
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -1984,7 +2743,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) {
         if (!dbus_message_get_args(reply, &error,
                                    DBUS_TYPE_OBJECT_PATH, &path,
                                    DBUS_TYPE_INVALID)) {
-                log_error("Failed to parse reply: %s", error.message);
+                log_error("Failed to parse reply: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -2010,7 +2769,7 @@ static int snapshot(DBusConnection *bus, char **args, unsigned n) {
 
         dbus_message_unref(reply);
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -2081,7 +2840,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) {
                 }
 
                 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -2089,7 +2848,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) {
                 if (!dbus_message_get_args(reply, &error,
                                            DBUS_TYPE_OBJECT_PATH, &path,
                                            DBUS_TYPE_INVALID)) {
-                        log_error("Failed to parse reply: %s", error.message);
+                        log_error("Failed to parse reply: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -2107,7 +2866,7 @@ static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) {
 
                 dbus_message_unref(reply);
                 if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                        log_error("Failed to issue method call: %s", error.message);
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
                         r = -EIO;
                         goto finish;
                 }
@@ -2131,7 +2890,7 @@ finish:
         return r;
 }
 
-static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
+static int daemon_reload(DBusConnection *bus, char **args, unsigned n) {
         DBusMessage *m = NULL, *reply = NULL;
         DBusError error;
         int r;
@@ -2147,10 +2906,12 @@ static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
                 assert(arg_action == ACTION_SYSTEMCTL);
 
                 method =
-                        streq(args[0], "clear-jobs")    ? "ClearJobs" :
-                        streq(args[0], "daemon-reload") ? "Reload" :
-                        streq(args[0], "daemon-reexec") ? "Reexecute" :
-                                                          "Exit";
+                        streq(args[0], "clear-jobs")        ||
+                        streq(args[0], "cancel")            ? "ClearJobs" :
+                        streq(args[0], "daemon-reexec")     ? "Reexecute" :
+                        streq(args[0], "reset-failed")      ? "ResetFailed" :
+                        streq(args[0], "daemon-exit")       ? "Exit" :
+                                                              "Reload";
         }
 
         if (!(m = dbus_message_new_method_call(
@@ -2167,172 +2928,914 @@ static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
                 if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
                         /* There's always a fallback possible for
                          * legacy actions. */
-                        r = 0;
+                        r = -EADDRNOTAVAIL;
+                        goto finish;
+                }
+
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int reset_failed(DBusConnection *bus, char **args, unsigned n) {
+        DBusMessage *m = NULL, *reply = NULL;
+        unsigned i;
+        int r;
+        DBusError error;
+
+        assert(bus);
+        dbus_error_init(&error);
+
+        if (n <= 1)
+                return daemon_reload(bus, args, n);
+
+        for (i = 1; i < n; i++) {
+
+                if (!(m = dbus_message_new_method_call(
+                                      "org.freedesktop.systemd1",
+                                      "/org/freedesktop/systemd1",
+                                      "org.freedesktop.systemd1.Manager",
+                                      "ResetFailedUnit"))) {
+                        log_error("Could not allocate message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_STRING, args + i,
+                                              DBUS_TYPE_INVALID)) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                        log_error("Failed to issue method call: %s", bus_error_message(&error));
+                        r = -EIO;
                         goto finish;
                 }
 
-                log_error("Failed to issue method call: %s", error.message);
-                r = -EIO;
-                goto finish;
+                dbus_message_unref(m);
+                dbus_message_unref(reply);
+                m = reply = NULL;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        DBusMessageIter iter, sub, sub2;
+        int r;
+        const char
+                *interface = "org.freedesktop.systemd1.Manager",
+                *property = "Environment";
+
+        dbus_error_init(&error);
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.DBus.Properties",
+                              "Get"))) {
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_STRING, &interface,
+                                      DBUS_TYPE_STRING, &property,
+                                      DBUS_TYPE_INVALID)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        if (!dbus_message_iter_init(reply, &iter) ||
+            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&iter, &sub);
+
+        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
+            dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING)  {
+                log_error("Failed to parse reply.");
+                r = -EIO;
+                goto finish;
+        }
+
+        dbus_message_iter_recurse(&sub, &sub2);
+
+        while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
+                const char *text;
+
+                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
+                        log_error("Failed to parse reply.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                dbus_message_iter_get_basic(&sub2, &text);
+                printf("%s\n", text);
+
+                dbus_message_iter_next(&sub2);
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+static int set_environment(DBusConnection *bus, char **args, unsigned n) {
+        DBusMessage *m = NULL, *reply = NULL;
+        DBusError error;
+        int r;
+        const char *method;
+        DBusMessageIter iter, sub;
+        unsigned i;
+
+        dbus_error_init(&error);
+
+        method = streq(args[0], "set-environment")
+                ? "SetEnvironment"
+                : "UnsetEnvironment";
+
+        if (!(m = dbus_message_new_method_call(
+                              "org.freedesktop.systemd1",
+                              "/org/freedesktop/systemd1",
+                              "org.freedesktop.systemd1.Manager",
+                              method))) {
+
+                log_error("Could not allocate message.");
+                return -ENOMEM;
+        }
+
+        dbus_message_iter_init_append(m, &iter);
+
+        if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        for (i = 1; i < n; i++)
+                if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
+                        log_error("Could not append arguments to message.");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+        if (!dbus_message_iter_close_container(&iter, &sub)) {
+                log_error("Could not append arguments to message.");
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                r = -EIO;
+                goto finish;
+        }
+
+        r = 0;
+
+finish:
+        if (m)
+                dbus_message_unref(m);
+
+        if (reply)
+                dbus_message_unref(reply);
+
+        dbus_error_free(&error);
+
+        return r;
+}
+
+typedef struct {
+        char *name;
+        char *path;
+
+        char **aliases;
+        char **wanted_by;
+} InstallInfo;
+
+static Hashmap *will_install = NULL, *have_installed = NULL;
+static Set *remove_symlinks_to = NULL;
+
+static void install_info_free(InstallInfo *i) {
+        assert(i);
+
+        free(i->name);
+        free(i->path);
+        strv_free(i->aliases);
+        strv_free(i->wanted_by);
+        free(i);
+}
+
+static void install_info_hashmap_free(Hashmap *m) {
+        InstallInfo *i;
+
+        while ((i = hashmap_steal_first(m)))
+                install_info_free(i);
+
+        hashmap_free(m);
+}
+
+static bool unit_name_valid(const char *name) {
+
+        /* This is a minimal version of unit_name_valid() from
+         * unit-name.c */
+
+        if (!*name)
+                return false;
+
+        if (ignore_file(name))
+                return false;
+
+        return true;
+}
+
+static int install_info_add(const char *name) {
+        InstallInfo *i;
+        int r;
+
+        assert(will_install);
+
+        if (!unit_name_valid(name))
+                return -EINVAL;
+
+        if (hashmap_get(have_installed, name) ||
+            hashmap_get(will_install, name))
+                return 0;
+
+        if (!(i = new0(InstallInfo, 1))) {
+                r = -ENOMEM;
+                goto fail;
+        }
+
+        if (!(i->name = strdup(name))) {
+                r = -ENOMEM;
+                goto fail;
+        }
+
+        if ((r = hashmap_put(will_install, i->name, i)) < 0)
+                goto fail;
+
+        return 0;
+
+fail:
+        if (i)
+                install_info_free(i);
+
+        return r;
+}
+
+static int config_parse_also(
+                const char *filename,
+                unsigned line,
+                const char *section,
+                const char *lvalue,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        char *w;
+        size_t l;
+        char *state;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+                char *n;
+                int r;
+
+                if (!(n = strndup(w, l)))
+                        return -ENOMEM;
+
+                r = install_info_add(n);
+                free(n);
+
+                if (r < 0)
+                        return r;
+        }
+
+        return 0;
+}
+
+static int mark_symlink_for_removal(const char *p) {
+        char *n;
+        int r;
+
+        assert(p);
+        assert(path_is_absolute(p));
+
+        if (!remove_symlinks_to)
+                return 0;
+
+        if (!(n = strdup(p)))
+                return -ENOMEM;
+
+        path_kill_slashes(n);
+
+        if ((r = set_put(remove_symlinks_to, n)) < 0) {
+                free(n);
+                return r == -EEXIST ? 0 : r;
+        }
+
+        return 0;
+}
+
+static int remove_marked_symlinks_fd(int fd, const char *config_path, const char *root, bool *deleted) {
+        int r = 0;
+        DIR *d;
+        struct dirent *de;
+
+        assert(fd >= 0);
+        assert(root);
+        assert(deleted);
+
+        if (!(d = fdopendir(fd))) {
+                close_nointr_nofail(fd);
+                return -errno;
+        }
+
+        rewinddir(d);
+
+        while ((de = readdir(d))) {
+                bool is_dir = false, is_link = false;
+
+                if (ignore_file(de->d_name))
+                        continue;
+
+                if (de->d_type == DT_LNK)
+                        is_link = true;
+                else if (de->d_type == DT_DIR)
+                        is_dir = true;
+                else if (de->d_type == DT_UNKNOWN) {
+                        struct stat st;
+
+                        if (fstatat(fd, de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
+                                log_error("Failed to stat %s/%s: %m", root, de->d_name);
+
+                                if (r == 0)
+                                        r = -errno;
+                                continue;
+                        }
+
+                        is_link = S_ISLNK(st.st_mode);
+                        is_dir = S_ISDIR(st.st_mode);
+                } else
+                        continue;
+
+                if (is_dir) {
+                        int nfd, q;
+                        char *p;
+
+                        if ((nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0) {
+                                log_error("Failed to open %s/%s: %m", root, de->d_name);
+
+                                if (r == 0)
+                                        r = -errno;
+                                continue;
+                        }
+
+                        if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+                                log_error("Failed to allocate directory string.");
+                                close_nointr_nofail(nfd);
+                                r = -ENOMEM;
+                                break;
+                        }
+
+                        /* This will close nfd, regardless whether it succeeds or not */
+                        q = remove_marked_symlinks_fd(nfd, config_path, p, deleted);
+                        free(p);
+
+                        if (r == 0)
+                                r = q;
+
+                } else if (is_link) {
+                        char *p, *dest, *c;
+                        int q;
+
+                        if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+                                log_error("Failed to allocate symlink string.");
+                                r = -ENOMEM;
+                                break;
+                        }
+
+                        if ((q = readlink_and_make_absolute(p, &dest)) < 0) {
+                                log_error("Cannot read symlink %s: %s", p, strerror(-q));
+                                free(p);
+
+                                if (r == 0)
+                                        r = q;
+                                continue;
+                        }
+
+                        if ((c = canonicalize_file_name(dest))) {
+                                /* This might fail if the destination
+                                 * is already removed */
+
+                                free(dest);
+                                dest = c;
+                        }
+
+                        path_kill_slashes(dest);
+                        if (set_get(remove_symlinks_to, dest)) {
+
+                                if (!arg_quiet)
+                                        log_info("rm '%s'", p);
+
+                                if (unlink(p) < 0) {
+                                        log_error("Cannot unlink symlink %s: %m", p);
+
+                                        if (r == 0)
+                                                r = -errno;
+                                } else {
+                                        rmdir_parents(p, config_path);
+                                        path_kill_slashes(p);
+
+                                        if (!set_get(remove_symlinks_to, p)) {
+
+                                                if ((r = mark_symlink_for_removal(p)) < 0) {
+                                                        if (r == 0)
+                                                                r = q;
+                                                } else
+                                                        *deleted = true;
+                                        }
+                                }
+                        }
+
+                        free(p);
+                        free(dest);
+                }
+        }
+
+        closedir(d);
+
+        return r;
+}
+
+static int remove_marked_symlinks(const char *config_path) {
+        int fd, r = 0;
+        bool deleted;
+
+        assert(config_path);
+
+        if (set_size(remove_symlinks_to) <= 0)
+                return 0;
+
+        if ((fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0)
+                return -errno;
+
+        do {
+                int q, cfd;
+                deleted = false;
+
+                if ((cfd = dup(fd)) < 0) {
+                        r = -errno;
+                        break;
+                }
+
+                /* This takes possession of cfd and closes it */
+                if ((q = remove_marked_symlinks_fd(cfd, config_path, config_path, &deleted)) < 0) {
+                        if (r == 0)
+                                r = q;
+                }
+        } while (deleted);
+
+        close_nointr_nofail(fd);
+
+        return r;
+}
+
+static int create_symlink(const char *verb, const char *old_path, const char *new_path) {
+        int r;
+
+        assert(old_path);
+        assert(new_path);
+        assert(verb);
+
+        if (streq(verb, "enable")) {
+                char *dest;
+
+                mkdir_parents(new_path, 0755);
+
+                if (symlink(old_path, new_path) >= 0) {
+
+                        if (!arg_quiet)
+                                log_info("ln -s '%s' '%s'", old_path, new_path);
+
+                        return 0;
+                }
+
+                if (errno != EEXIST) {
+                        log_error("Cannot link %s to %s: %m", old_path, new_path);
+                        return -errno;
+                }
+
+                if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+                        if (errno == EINVAL) {
+                                log_error("Cannot link %s to %s, file exists already and is not a symlink.", old_path, new_path);
+                                return -EEXIST;
+                        }
+
+                        log_error("readlink() failed: %s", strerror(-r));
+                        return r;
+                }
+
+                if (streq(dest, old_path)) {
+                        free(dest);
+                        return 0;
+                }
+
+                if (!arg_force) {
+                        log_error("Cannot link %s to %s, symlink exists already and points to %s.", old_path, new_path, dest);
+                        free(dest);
+                        return -EEXIST;
+                }
+
+                free(dest);
+                unlink(new_path);
+
+                if (!arg_quiet)
+                        log_info("ln -s '%s' '%s'", old_path, new_path);
+
+                if (symlink(old_path, new_path) >= 0)
+                        return 0;
+
+                log_error("Cannot link %s to %s: %m", old_path, new_path);
+                return -errno;
+
+        } else if (streq(verb, "disable")) {
+                char *dest;
+
+                if ((r = mark_symlink_for_removal(old_path)) < 0)
+                        return r;
+
+                if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+                        if (errno == ENOENT)
+                                return 0;
+
+                        if (errno == EINVAL) {
+                                log_warning("File %s not a symlink, ignoring.", old_path);
+                                return 0;
+                        }
+
+                        log_error("readlink() failed: %s", strerror(-r));
+                        return r;
+                }
+
+                if (!streq(dest, old_path)) {
+                        log_warning("File %s not a symlink to %s but points to %s, ignoring.", new_path, old_path, dest);
+                        free(dest);
+                        return 0;
+                }
+
+                free(dest);
+
+                if ((r = mark_symlink_for_removal(new_path)) < 0)
+                        return r;
+
+                if (!arg_quiet)
+                        log_info("rm '%s'", new_path);
+
+                if (unlink(new_path) >= 0)
+                        return 0;
+
+                log_error("Cannot unlink %s: %m", new_path);
+                return -errno;
+
+        } else if (streq(verb, "is-enabled")) {
+                char *dest;
+
+                if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+                        if (errno == ENOENT || errno == EINVAL)
+                                return 0;
+
+                        log_error("readlink() failed: %s", strerror(-r));
+                        return r;
+                }
+
+                if (streq(dest, old_path)) {
+                        free(dest);
+                        return 1;
+                }
+
+                return 0;
+        }
+
+        assert_not_reached("Unknown action.");
+}
+
+static int install_info_symlink_alias(const char *verb, InstallInfo *i, const char *config_path) {
+        char **s;
+        char *alias_path = NULL;
+        int r;
+
+        assert(verb);
+        assert(i);
+        assert(config_path);
+
+        STRV_FOREACH(s, i->aliases) {
+
+                if (!unit_name_valid(*s)) {
+                        log_error("Invalid name %s.", *s);
+                        r = -EINVAL;
+                        goto finish;
+                }
+
+                free(alias_path);
+                if (!(alias_path = path_make_absolute(*s, config_path))) {
+                        log_error("Out of memory");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+                        goto finish;
+
+                if (streq(verb, "disable"))
+                        rmdir_parents(alias_path, config_path);
+        }
+
+        r = 0;
+
+finish:
+        free(alias_path);
+
+        return r;
+}
+
+static int install_info_symlink_wants(const char *verb, InstallInfo *i, const char *config_path) {
+        char **s;
+        char *alias_path = NULL;
+        int r;
+
+        assert(verb);
+        assert(i);
+        assert(config_path);
+
+        STRV_FOREACH(s, i->wanted_by) {
+                if (!unit_name_valid(*s)) {
+                        log_error("Invalid name %s.", *s);
+                        r = -EINVAL;
+                        goto finish;
+                }
+
+                free(alias_path);
+                alias_path = NULL;
+
+                if (asprintf(&alias_path, "%s/%s.wants/%s", config_path, *s, i->name) < 0) {
+                        log_error("Out of memory");
+                        r = -ENOMEM;
+                        goto finish;
+                }
+
+                if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+                        goto finish;
+
+                if (streq(verb, "disable"))
+                        rmdir_parents(alias_path, config_path);
         }
 
-        r = 1;
+        r = 0;
 
 finish:
-        if (m)
-                dbus_message_unref(m);
-
-        if (reply)
-                dbus_message_unref(reply);
-
-        dbus_error_free(&error);
+        free(alias_path);
 
         return r;
 }
 
-static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
-        DBusMessage *m = NULL, *reply = NULL;
-        DBusError error;
-        DBusMessageIter iter, sub, sub2;
+static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo *i, const char *config_path) {
+
+        const ConfigItem items[] = {
+                { "Alias",    config_parse_strv, &i->aliases,   "Install" },
+                { "WantedBy", config_parse_strv, &i->wanted_by, "Install" },
+                { "Also",     config_parse_also, NULL,          "Install" },
+
+                { NULL, NULL, NULL, NULL }
+        };
+
+        char **p;
+        char *filename = NULL;
+        FILE *f = NULL;
         int r;
-        const char
-                *interface = "org.freedesktop.systemd1.Manager",
-                *property = "Environment";
 
-        dbus_error_init(&error);
+        assert(paths);
+        assert(i);
 
-        if (!(m = dbus_message_new_method_call(
-                              "org.freedesktop.systemd1",
-                              "/org/freedesktop/systemd1",
-                              "org.freedesktop.DBus.Properties",
-                              "Get"))) {
-                log_error("Could not allocate message.");
-                return -ENOMEM;
-        }
+        STRV_FOREACH(p, paths->unit_path) {
+                int fd;
 
-        if (!dbus_message_append_args(m,
-                                      DBUS_TYPE_STRING, &interface,
-                                      DBUS_TYPE_STRING, &property,
-                                      DBUS_TYPE_INVALID)) {
-                log_error("Could not append arguments to message.");
-                r = -ENOMEM;
-                goto finish;
-        }
+                if (!(filename = path_make_absolute(i->name, *p))) {
+                        log_error("Out of memory");
+                        return -ENOMEM;
+                }
 
-        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
-                r = -EIO;
-                goto finish;
+                /* Ensure that we don't follow symlinks */
+                if ((fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NOCTTY)) >= 0)
+                        if ((f = fdopen(fd, "re")))
+                                break;
+
+                if (errno == ELOOP) {
+                        log_error("Refusing to operate on symlinks, please pass unit names or absolute paths to unit files.");
+                        free(filename);
+                        return -errno;
+                }
+
+                if (errno != ENOENT) {
+                        log_error("Failed to open %s: %m", filename);
+                        free(filename);
+                        return -errno;
+                }
+
+                free(filename);
+                filename = NULL;
         }
 
-        if (!dbus_message_iter_init(reply, &iter) ||
-            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)  {
-                log_error("Failed to parse reply.");
-                r = -EIO;
-                goto finish;
+        if (!f) {
+                log_error("Couldn't find %s.", i->name);
+                return -ENOENT;
         }
 
-        dbus_message_iter_recurse(&iter, &sub);
+        i->path = filename;
 
-        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
-            dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING)  {
-                log_error("Failed to parse reply.");
-                r = -EIO;
-                goto finish;
+        if ((r = config_parse(filename, f, NULL, items, true, i)) < 0) {
+                fclose(f);
+                return r;
         }
 
-        dbus_message_iter_recurse(&sub, &sub2);
+        fclose(f);
 
-        while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
-                const char *text;
+        if ((r = install_info_symlink_alias(verb, i, config_path)) != 0)
+                return r;
 
-                if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
-                        log_error("Failed to parse reply.");
-                        r = -EIO;
-                        goto finish;
-                }
+        if ((r = install_info_symlink_wants(verb, i, config_path)) != 0)
+                return r;
 
-                dbus_message_iter_get_basic(&sub2, &text);
-                printf("%s\n", text);
+        if ((r = mark_symlink_for_removal(filename)) < 0)
+                return r;
 
-                dbus_message_iter_next(&sub2);
-        }
+        if ((r = remove_marked_symlinks(config_path)) < 0)
+                return r;
 
-        r = 0;
+        return 0;
+}
 
-finish:
-        if (m)
-                dbus_message_unref(m);
+static char *get_config_path(void) {
 
-        if (reply)
-                dbus_message_unref(reply);
+        if (arg_session && arg_global)
+                return strdup(SESSION_CONFIG_UNIT_PATH);
 
-        dbus_error_free(&error);
+        if (arg_session) {
+                char *p;
 
-        return r;
+                if (session_config_home(&p) < 0)
+                        return NULL;
+
+                return p;
+        }
+
+        return strdup(SYSTEM_CONFIG_UNIT_PATH);
 }
 
-static int set_environment(DBusConnection *bus, char **args, unsigned n) {
-        DBusMessage *m = NULL, *reply = NULL;
+static int enable_unit(DBusConnection *bus, char **args, unsigned n) {
         DBusError error;
         int r;
-        const char *method;
-        DBusMessageIter iter, sub;
-        unsigned i;
+        LookupPaths paths;
+        char *config_path = NULL;
+        unsigned j;
+        InstallInfo *i;
+        const char *verb = args[0];
 
         dbus_error_init(&error);
 
-        method = streq(args[0], "set-environment")
-                ? "SetEnvironment"
-                : "UnsetEnvironment";
-
-        if (!(m = dbus_message_new_method_call(
-                              "org.freedesktop.systemd1",
-                              "/org/freedesktop/systemd1",
-                              "org.freedesktop.systemd1.Manager",
-                              method))) {
+        zero(paths);
+        if ((r = lookup_paths_init(&paths, arg_session ? MANAGER_SESSION : MANAGER_SYSTEM)) < 0) {
+                log_error("Failed to determine lookup paths: %s", strerror(-r));
+                goto finish;
+        }
 
-                log_error("Could not allocate message.");
-                return -ENOMEM;
+        if (!(config_path = get_config_path())) {
+                log_error("Failed to determine config path");
+                r = -ENOMEM;
+                goto finish;
         }
 
-        dbus_message_iter_init_append(m, &iter);
+        will_install = hashmap_new(string_hash_func, string_compare_func);
+        have_installed = hashmap_new(string_hash_func, string_compare_func);
 
-        if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
-                log_error("Could not append arguments to message.");
+        if (!will_install || !have_installed) {
+                log_error("Failed to allocate unit sets.");
                 r = -ENOMEM;
                 goto finish;
         }
 
-        for (i = 1; i < n; i++)
-                if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
-                        log_error("Could not append arguments to message.");
+        if (!arg_defaults && streq(verb, "disable"))
+                if (!(remove_symlinks_to = set_new(string_hash_func, string_compare_func))) {
+                        log_error("Failed to allocate symlink sets.");
                         r = -ENOMEM;
                         goto finish;
                 }
 
-        if (!dbus_message_iter_close_container(&iter, &sub)) {
-                log_error("Could not append arguments to message.");
-                r = -ENOMEM;
-                goto finish;
-        }
+        for (j = 1; j < n; j++)
+                if ((r = install_info_add(args[j])) < 0)
+                        goto finish;
 
-        if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
-                log_error("Failed to issue method call: %s", error.message);
-                r = -EIO;
-                goto finish;
+        while ((i = hashmap_first(will_install))) {
+                int q;
+
+                assert_se(hashmap_move_one(have_installed, will_install, i->name) == 0);
+
+                if ((q = install_info_apply(verb, &paths, i, config_path)) != 0) {
+
+                        if (q < 0) {
+                                if (r == 0)
+                                        r = q;
+                                goto finish;
+                        }
+
+                        /* In test mode and found something */
+                        r = 1;
+                        break;
+                }
         }
 
-        r = 0;
+        if (streq(verb, "is-enabled"))
+                r = r > 0 ? 0 : -ENOENT;
+        else if (bus &&
+                 /* Don't try to reload anything if the user asked us to not do this */
+                 !arg_no_reload &&
+                 /* Don't try to reload anything when updating a unit globally */
+                 !arg_global &&
+                 /* Don't try to reload anything if we are called for system changes but the system wasn't booted with systemd */
+                 (arg_session || sd_booted() > 0) &&
+                 /* Don't try to reload anything if we are running in a chroot environment */
+                 (arg_session || running_in_chroot() <= 0) ) {
+                int q;
+
+                if ((q = daemon_reload(bus, args, n)) < 0)
+                        r = q;
+        }
 
 finish:
-        if (m)
-                dbus_message_unref(m);
+        install_info_hashmap_free(will_install);
+        install_info_hashmap_free(have_installed);
 
-        if (reply)
-                dbus_message_unref(reply);
+        set_free_free(remove_symlinks_to);
 
-        dbus_error_free(&error);
+        lookup_paths_free(&paths);
+
+        free(config_path);
 
         return r;
 }
@@ -2340,33 +3843,53 @@ finish:
 static int systemctl_help(void) {
 
         printf("%s [OPTIONS...] {COMMAND} ...\n\n"
-               "Send control commands to the systemd manager.\n\n"
+               "Send control commands to or query the systemd manager.\n\n"
                "  -h --help          Show this help\n"
                "  -t --type=TYPE     List only units of a particular type\n"
                "  -p --property=NAME Show only properties by this name\n"
                "  -a --all           Show all units/properties, including dead/empty ones\n"
-               "     --replace       When installing a new job, replace existing conflicting ones\n"
-               "     --system        Connect to system bus\n"
-               "     --session       Connect to session bus\n"
+               "     --full          Don't ellipsize unit names on output\n"
+               "     --fail          When queueing a new job, fail if conflicting jobs are\n"
+               "                     pending\n"
                "  -q --quiet         Suppress output\n"
                "     --no-block      Do not wait until operation finished\n"
-               "     --no-wall       Don't send wall message before halt/power-off/reboot\n\n"
+               "     --system        Connect to system bus\n"
+               "     --session       Connect to session bus\n"
+               "     --order         When generating graph for dot, show only order\n"
+               "     --require       When generating graph for dot, show only requirement\n"
+               "     --no-wall       Don't send wall message before halt/power-off/reboot\n"
+               "     --global        Enable/disable unit files globally\n"
+               "     --no-reload     When enabling/disabling unit files, don't reload daemon\n"
+               "                     configuration\n"
+               "     --force         When enabling unit files, override existing symlinks\n"
+               "     --defaults      When disabling unit files, remove default symlinks only\n\n"
                "Commands:\n"
                "  list-units                      List units\n"
-               "  start [NAME...]                 Start one or more units\n"
-               "  stop [NAME...]                  Stop one or more units\n"
-               "  restart [NAME...]               Restart one or more units\n"
+               "  start [NAME...]                 Start (activate) one or more units\n"
+               "  stop [NAME...]                  Stop (deactivate) one or more units\n"
                "  reload [NAME...]                Reload one or more units\n"
+               "  restart [NAME...]               Start or restart one or more units\n"
+               "  try-restart [NAME...]           Restart one or more units if active\n"
+               "  reload-or-restart [NAME...]     Reload one or more units is possible,\n"
+               "                                  otherwise start or restart\n"
+               "  reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
+               "                                  otherwise restart if active\n"
                "  isolate [NAME]                  Start one unit and stop all others\n"
-               "  check [NAME...]                 Check whether any of the passed units are active\n"
-               "  status [NAME...]                Show status of one or more units\n"
-               "  show [NAME...|JOB...]           Show properties of one or more units/jobs/manager\n"
+               "  is-active [NAME...]             Check whether units are active\n"
+               "  status [NAME...|PID...]         Show runtime status of one or more units\n"
+               "  show [NAME...|JOB...]           Show properties of one or more\n"
+               "                                  units/jobs or the manager\n"
+               "  reset-failed [NAME...]          Reset failed state for all, one, or more\n"
+               "                                  units\n"
+               "  enable [NAME...]                Enable one or more unit files\n"
+               "  disable [NAME...]               Disable one or more unit files\n"
+               "  is-enabled [NAME...]            Check whether unit files are enabled\n"
                "  load [NAME...]                  Load one or more units\n"
                "  list-jobs                       List jobs\n"
-               "  cancel [JOB...]                 Cancel one or more jobs\n"
-               "  clear-jobs                      Cancel all jobs\n"
+               "  cancel [JOB...]                 Cancel all, one, or more jobs\n"
                "  monitor                         Monitor unit/job changes\n"
                "  dump                            Dump server status\n"
+               "  dot                             Dump dependency graph for dot(1)\n"
                "  snapshot [NAME]                 Create a snapshot\n"
                "  delete [NAME...]                Remove one or more snapshots\n"
                "  daemon-reload                   Reload systemd manager configuration\n"
@@ -2378,9 +3901,9 @@ static int systemctl_help(void) {
                "  halt                            Shut down and halt the system\n"
                "  poweroff                        Shut down and power-off the system\n"
                "  reboot                          Shut down and reboot the system\n"
-               "  default                         Enter default mode\n"
-               "  rescue                          Enter rescue mode\n"
-               "  emergency                       Enter emergency mode\n",
+               "  rescue                          Enter system rescue mode\n"
+               "  emergency                       Enter system emergency mode\n"
+               "  default                         Enter system default mode\n",
                program_invocation_short_name);
 
         return 0;
@@ -2409,7 +3932,7 @@ static int halt_help(void) {
 
 static int shutdown_help(void) {
 
-        printf("%s [OPTIONS...] [now] [WALL...]\n\n"
+        printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
                "Shut down the system.\n\n"
                "     --help      Show this help\n"
                "  -H --halt      Halt the machine\n"
@@ -2417,7 +3940,8 @@ static int shutdown_help(void) {
                "  -r --reboot    Reboot the machine\n"
                "  -h             Equivalent to --poweroff, overriden by --halt\n"
                "  -k             Don't halt/power-off/reboot, just send warnings\n"
-               "     --no-wall   Don't send wall message before halt/power-off/reboot\n",
+               "     --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;
@@ -2454,25 +3978,39 @@ static int runlevel_help(void) {
 static int systemctl_parse_argv(int argc, char *argv[]) {
 
         enum {
-                ARG_REPLACE = 0x100,
+                ARG_FAIL = 0x100,
                 ARG_SESSION,
                 ARG_SYSTEM,
+                ARG_GLOBAL,
                 ARG_NO_BLOCK,
-                ARG_NO_WALL
+                ARG_NO_WALL,
+                ARG_ORDER,
+                ARG_REQUIRE,
+                ARG_FULL,
+                ARG_FORCE,
+                ARG_NO_RELOAD,
+                ARG_DEFAULTS
         };
 
         static const struct option options[] = {
-                { "help",      no_argument,       NULL, 'h'          },
-                { "type",      required_argument, NULL, 't'          },
-                { "property",  required_argument, NULL, 'p'          },
-                { "all",       no_argument,       NULL, 'a'          },
-                { "replace",   no_argument,       NULL, ARG_REPLACE  },
-                { "session",   no_argument,       NULL, ARG_SESSION  },
-                { "system",    no_argument,       NULL, ARG_SYSTEM   },
-                { "no-block",  no_argument,       NULL, ARG_NO_BLOCK },
-                { "no-wall",   no_argument,       NULL, ARG_NO_WALL  },
-                { "quiet",     no_argument,       NULL, 'q'          },
-                { NULL,        0,                 NULL, 0            }
+                { "help",      no_argument,       NULL, 'h'           },
+                { "type",      required_argument, NULL, 't'           },
+                { "property",  required_argument, NULL, 'p'           },
+                { "all",       no_argument,       NULL, 'a'           },
+                { "full",      no_argument,       NULL, ARG_FULL      },
+                { "fail",      no_argument,       NULL, ARG_FAIL      },
+                { "session",   no_argument,       NULL, ARG_SESSION   },
+                { "system",    no_argument,       NULL, ARG_SYSTEM    },
+                { "global",    no_argument,       NULL, ARG_GLOBAL    },
+                { "no-block",  no_argument,       NULL, ARG_NO_BLOCK  },
+                { "no-wall",   no_argument,       NULL, ARG_NO_WALL   },
+                { "quiet",     no_argument,       NULL, 'q'           },
+                { "order",     no_argument,       NULL, ARG_ORDER     },
+                { "require",   no_argument,       NULL, ARG_REQUIRE   },
+                { "force",     no_argument,       NULL, ARG_FORCE     },
+                { "no-reload", no_argument,       NULL, ARG_NO_RELOAD },
+                { "defaults",  no_argument,       NULL, ARG_DEFAULTS  },
+                { NULL,        0,                 NULL, 0             }
         };
 
         int c;
@@ -2492,21 +4030,28 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         arg_type = optarg;
                         break;
 
-                case 'p':
-                        arg_property = optarg;
+                case 'p': {
+                        char **l;
+
+                        if (!(l = strv_append(arg_property, optarg)))
+                                return -ENOMEM;
+
+                        strv_free(arg_property);
+                        arg_property = l;
 
                         /* If the user asked for a particular
                          * property, show it to him, even if it is
                          * empty. */
                         arg_all = true;
                         break;
+                }
 
                 case 'a':
                         arg_all = true;
                         break;
 
-                case ARG_REPLACE:
-                        arg_replace = true;
+                case ARG_FAIL:
+                        arg_fail = true;
                         break;
 
                 case ARG_SESSION:
@@ -2525,10 +4070,39 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         arg_no_wall = true;
                         break;
 
+                case ARG_ORDER:
+                        arg_dot = DOT_ORDER;
+                        break;
+
+                case ARG_REQUIRE:
+                        arg_dot = DOT_REQUIRE;
+                        break;
+
+                case ARG_FULL:
+                        arg_full = true;
+                        break;
+
                 case 'q':
                         arg_quiet = true;
                         break;
 
+                case ARG_FORCE:
+                        arg_force = true;
+                        break;
+
+                case ARG_NO_RELOAD:
+                        arg_no_reload = true;
+                        break;
+
+                case ARG_GLOBAL:
+                        arg_global = true;
+                        arg_session = true;
+                        break;
+
+                case ARG_DEFAULTS:
+                        arg_defaults = true;
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -2584,7 +4158,8 @@ static int halt_parse_argv(int argc, char *argv[]) {
                         break;
 
                 case 'p':
-                        arg_action = ACTION_POWEROFF;
+                        if (arg_action != ACTION_REBOOT)
+                                arg_action = ACTION_POWEROFF;
                         break;
 
                 case ARG_REBOOT:
@@ -2633,6 +4208,56 @@ static int halt_parse_argv(int argc, char *argv[]) {
         return 1;
 }
 
+static int parse_time_spec(const char *t, usec_t *_u) {
+        assert(t);
+        assert(_u);
+
+        if (streq(t, "now"))
+                *_u = 0;
+        else if (t[0] == '+') {
+                uint64_t u;
+
+                if (safe_atou64(t + 1, &u) < 0)
+                        return -EINVAL;
+
+                *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
+        } else {
+                char *e = NULL;
+                long hour, minute;
+                struct tm tm;
+                time_t s;
+                usec_t n;
+
+                errno = 0;
+                hour = strtol(t, &e, 10);
+                if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
+                        return -EINVAL;
+
+                minute = strtol(e+1, &e, 10);
+                if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
+                        return -EINVAL;
+
+                n = now(CLOCK_REALTIME);
+                s = (time_t) (n / USEC_PER_SEC);
+
+                zero(tm);
+                assert_se(localtime_r(&s, &tm));
+
+                tm.tm_hour = (int) hour;
+                tm.tm_min = (int) minute;
+                tm.tm_sec = 0;
+
+                assert_se(s = mktime(&tm));
+
+                *_u = (usec_t) s * USEC_PER_SEC;
+
+                while (*_u <= n)
+                        *_u += USEC_PER_DAY;
+        }
+
+        return 0;
+}
+
 static int shutdown_parse_argv(int argc, char *argv[]) {
 
         enum {
@@ -2649,12 +4274,12 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
                 { NULL,        0,                 NULL, 0           }
         };
 
-        int c;
+        int c, r;
 
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "HPrhkt:a", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
                 switch (c) {
 
                 case ARG_HELP:
@@ -2691,6 +4316,10 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
                         /* Compatibility nops */
                         break;
 
+                case 'c':
+                        arg_action = ACTION_CANCEL_SHUTDOWN;
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -2700,10 +4329,15 @@ static int shutdown_parse_argv(int argc, char *argv[]) {
                 }
         }
 
-        if (argc > optind && !streq(argv[optind], "now"))
-                log_warning("First argument '%s' isn't 'now'. Ignoring.", argv[optind]);
+        if (argc > optind) {
+                if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
+                        log_error("Failed to parse time specification: %s", argv[optind]);
+                        return r;
+                }
+        } else
+                arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
 
-        /* We ignore the time argument */
+        /* We skip the time argument */
         if (argc > optind + 1)
                 arg_wall = argv + optind + 1;
 
@@ -2860,8 +4494,22 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_action = ACTION_POWEROFF;
                         return shutdown_parse_argv(argc, argv);
                 } else if (strstr(program_invocation_short_name, "init")) {
-                        arg_action = ACTION_INVALID;
-                        return telinit_parse_argv(argc, argv);
+
+                        if (sd_booted() > 0) {
+                                arg_action = ACTION_INVALID;
+                                return telinit_parse_argv(argc, argv);
+                        } else {
+                                /* Hmm, so some other init system is
+                                 * running, we need to forward this
+                                 * request to it. For now we simply
+                                 * guess that it is Upstart. */
+
+                                execv("/lib/upstart/telinit", argv);
+
+                                log_error("Couldn't find an alternative telinit implementation to spawn.");
+                                return -EIO;
+                        }
+
                 } else if (strstr(program_invocation_short_name, "runlevel")) {
                         arg_action = ACTION_RUNLEVEL;
                         return runlevel_parse_argv(argc, argv);
@@ -2911,13 +4559,13 @@ static int talk_upstart(void) {
         if (utmp_get_runlevel(&previous, NULL) < 0)
                 previous = 'N';
 
-        if (!(bus = dbus_connection_open("unix:abstract=/com/ubuntu/upstart", &error))) {
+        if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) {
                 if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) {
                         r = 0;
                         goto finish;
                 }
 
-                log_error("Failed to connect to Upstart bus: %s", error.message);
+                log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
@@ -2957,16 +4605,16 @@ static int talk_upstart(void) {
         if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
 
                 if (error_is_no_service(&error)) {
-                        r = 0;
+                        r = -EADDRNOTAVAIL;
                         goto finish;
                 }
 
-                log_error("Failed to issue method call: %s", error.message);
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
                 r = -EIO;
                 goto finish;
         }
 
-        r = 1;
+        r = 0;
 
 finish:
         if (m)
@@ -2975,8 +4623,10 @@ finish:
         if (reply)
                 dbus_message_unref(reply);
 
-        if (bus)
+        if (bus) {
+                dbus_connection_close(bus);
                 dbus_connection_unref(bus);
+        }
 
         dbus_error_free(&error);
 
@@ -3018,7 +4668,7 @@ static int talk_initctl(void) {
         return 1;
 }
 
-static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) {
+static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
 
         static const struct {
                 const char* verb;
@@ -3030,43 +4680,54 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) {
                 const int argc;
                 int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
         } verbs[] = {
-                { "list-units",        LESS,  1, list_units      },
-                { "list-jobs",         EQUAL, 1, list_jobs       },
-                { "clear-jobs",        EQUAL, 1, clear_jobs      },
-                { "load",              MORE,  2, load_unit       },
-                { "cancel",            MORE,  2, cancel_job      },
-                { "start",             MORE,  2, start_unit      },
-                { "stop",              MORE,  2, start_unit      },
-                { "reload",            MORE,  2, start_unit      },
-                { "restart",           MORE,  2, start_unit      },
-                { "isolate",           EQUAL, 2, start_unit      },
-                { "check",             MORE,  2, check_unit      },
-                { "show",              MORE,  1, show            },
-                { "status",            MORE,  2, show            },
-                { "monitor",           EQUAL, 1, monitor         },
-                { "dump",              EQUAL, 1, dump            },
-                { "snapshot",          LESS,  2, snapshot        },
-                { "delete",            MORE,  2, delete_snapshot },
-                { "daemon-reload",     EQUAL, 1, clear_jobs      },
-                { "daemon-reexec",     EQUAL, 1, clear_jobs      },
-                { "daemon-exit",       EQUAL, 1, clear_jobs      },
-                { "show-environment",  EQUAL, 1, show_enviroment },
-                { "set-environment",   MORE,  2, set_environment },
-                { "unset-environment", MORE,  2, set_environment },
-                { "halt",              EQUAL, 1, start_special   },
-                { "poweroff",          EQUAL, 1, start_special   },
-                { "reboot",            EQUAL, 1, start_special   },
-                { "default",           EQUAL, 1, start_special   },
-                { "rescue",            EQUAL, 1, start_special   },
-                { "emergency",         EQUAL, 1, start_special   },
+                { "list-units",            LESS,  1, list_units        },
+                { "list-jobs",             EQUAL, 1, list_jobs         },
+                { "clear-jobs",            EQUAL, 1, daemon_reload     },
+                { "load",                  MORE,  2, load_unit         },
+                { "cancel",                MORE,  2, cancel_job        },
+                { "start",                 MORE,  2, start_unit        },
+                { "stop",                  MORE,  2, start_unit        },
+                { "reload",                MORE,  2, start_unit        },
+                { "restart",               MORE,  2, start_unit        },
+                { "try-restart",           MORE,  2, start_unit        },
+                { "reload-or-restart",     MORE,  2, start_unit        },
+                { "reload-or-try-restart", MORE,  2, start_unit        },
+                { "force-reload",          MORE,  2, start_unit        }, /* For compatibility with SysV */
+                { "condrestart",           MORE,  2, start_unit        }, /* For compatibility with RH */
+                { "isolate",               EQUAL, 2, start_unit        },
+                { "is-active",             MORE,  2, check_unit        },
+                { "check",                 MORE,  2, check_unit        },
+                { "show",                  MORE,  1, show              },
+                { "status",                MORE,  2, show              },
+                { "monitor",               EQUAL, 1, monitor           },
+                { "dump",                  EQUAL, 1, dump              },
+                { "dot",                   EQUAL, 1, dot               },
+                { "snapshot",              LESS,  2, snapshot          },
+                { "delete",                MORE,  2, delete_snapshot   },
+                { "daemon-reload",         EQUAL, 1, daemon_reload     },
+                { "daemon-reexec",         EQUAL, 1, daemon_reload     },
+                { "daemon-exit",           EQUAL, 1, daemon_reload     },
+                { "show-environment",      EQUAL, 1, show_enviroment   },
+                { "set-environment",       MORE,  2, set_environment   },
+                { "unset-environment",     MORE,  2, set_environment   },
+                { "halt",                  EQUAL, 1, start_special     },
+                { "poweroff",              EQUAL, 1, start_special     },
+                { "reboot",                EQUAL, 1, start_special     },
+                { "default",               EQUAL, 1, start_special     },
+                { "rescue",                EQUAL, 1, start_special     },
+                { "emergency",             EQUAL, 1, start_special     },
+                { "reset-failed",          MORE,  1, reset_failed      },
+                { "enable",                MORE,  2, enable_unit       },
+                { "disable",               MORE,  2, enable_unit       },
+                { "is-enabled",            MORE,  2, enable_unit       }
         };
 
         int left;
         unsigned i;
 
-        assert(bus);
         assert(argc >= 0);
         assert(argv);
+        assert(error);
 
         left = argc - optind;
 
@@ -3119,15 +4780,66 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) {
                 assert_not_reached("Unknown comparison operator.");
         }
 
+        /* Require a bus connection for all operations but
+         * enable/disable */
+        if (!streq(verbs[i].verb, "enable") &&
+            !streq(verbs[i].verb, "disable") &&
+            !bus) {
+                log_error("Failed to get D-Bus connection: %s", error->message);
+                return -EIO;
+        }
+
         return verbs[i].dispatch(bus, argv + optind, left);
 }
 
+static int send_shutdownd(usec_t t, char mode, bool warn, const char *message) {
+        int fd = -1;
+        struct msghdr msghdr;
+        struct iovec iovec;
+        union sockaddr_union sockaddr;
+        struct shutdownd_command c;
+
+        zero(c);
+        c.elapse = t;
+        c.mode = mode;
+        c.warn_wall = warn;
+
+        if (message)
+                strncpy(c.wall_message, message, sizeof(c.wall_message));
+
+        if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
+                return -errno;
+
+        zero(sockaddr);
+        sockaddr.sa.sa_family = AF_UNIX;
+        sockaddr.un.sun_path[0] = 0;
+        strncpy(sockaddr.un.sun_path+1, "/org/freedesktop/systemd1/shutdownd", sizeof(sockaddr.un.sun_path)-1);
+
+        zero(iovec);
+        iovec.iov_base = (char*) &c;
+        iovec.iov_len = sizeof(c);
+
+        zero(msghdr);
+        msghdr.msg_name = &sockaddr;
+        msghdr.msg_namelen = sizeof(sa_family_t) + 1 + sizeof("/org/freedesktop/systemd1/shutdownd") - 1;
+
+        msghdr.msg_iov = &iovec;
+        msghdr.msg_iovlen = 1;
+
+        if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
+                close_nointr_nofail(fd);
+                return -errno;
+        }
+
+        close_nointr_nofail(fd);
+        return 0;
+}
+
 static int reload_with_fallback(DBusConnection *bus) {
-        int r;
 
         if (bus) {
                 /* First, try systemd via D-Bus. */
-                if ((r = clear_jobs(bus, NULL, 0)) > 0)
+                if (daemon_reload(bus, NULL, 0) > 0)
                         return 0;
         }
 
@@ -3143,39 +4855,70 @@ static int reload_with_fallback(DBusConnection *bus) {
 }
 
 static int start_with_fallback(DBusConnection *bus) {
-        int r;
-
-        warn_wall(arg_action);
 
         if (bus) {
                 /* First, try systemd via D-Bus. */
-                if ((r = start_unit(bus, NULL, 0)) > 0)
-                        return 0;
-
-                /* Hmm, talking to systemd via D-Bus didn't work. Then
-                 * let's try to talk to Upstart via D-Bus. */
-                if ((r = talk_upstart()) > 0)
-                        return 0;
+                if (start_unit(bus, NULL, 0) >= 0)
+                        goto done;
         }
 
+        /* Hmm, talking to systemd via D-Bus didn't work. Then
+         * let's try to talk to Upstart via D-Bus. */
+        if (talk_upstart() > 0)
+                goto done;
+
         /* Nothing else worked, so let's try
          * /dev/initctl */
-        if ((r = talk_initctl()) != 0)
-                return 0;
+        if (talk_initctl() > 0)
+                goto done;
 
         log_error("Failed to talk to init daemon.");
         return -EIO;
+
+done:
+        warn_wall(arg_action);
+        return 0;
 }
 
 static int halt_main(DBusConnection *bus) {
         int r;
 
-        if (!arg_immediate)
+        if (geteuid() != 0) {
+                log_error("Must be root.");
+                return -EPERM;
+        }
+
+        if (arg_when > 0) {
+                char *m;
+                char date[FORMAT_TIMESTAMP_MAX];
+
+                m = strv_join(arg_wall, " ");
+                r = send_shutdownd(arg_when,
+                                   arg_action == ACTION_HALT     ? 'H' :
+                                   arg_action == ACTION_POWEROFF ? 'P' :
+                                                                   'r',
+                                   !arg_no_wall,
+                                   m);
+                free(m);
+
+                if (r < 0)
+                        log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
+                else {
+                        log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
+                                 format_timestamp(date, sizeof(date), arg_when));
+                        return 0;
+                }
+        }
+
+        if (!arg_dry && !arg_immediate)
                 return start_with_fallback(bus);
 
-        if (!arg_no_wtmp)
-                if ((r = utmp_put_shutdown(0)) < 0)
+        if (!arg_no_wtmp) {
+                if (sd_booted() > 0)
+                        log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+                else if ((r = utmp_put_shutdown(0)) < 0)
                         log_warning("Failed to write utmp record: %s", strerror(-r));
+        }
 
         if (!arg_no_sync)
                 sync();
@@ -3190,17 +4933,17 @@ static int halt_main(DBusConnection *bus) {
         switch (arg_action) {
 
         case ACTION_HALT:
-                log_info("Halting");
+                log_info("Halting.");
                 reboot(RB_HALT_SYSTEM);
                 break;
 
         case ACTION_POWEROFF:
-                log_info("Powering off");
+                log_info("Powering off.");
                 reboot(RB_POWER_OFF);
                 break;
 
         case ACTION_REBOOT:
-                log_info("Rebooting");
+                log_info("Rebooting.");
                 reboot(RB_AUTOBOOT);
                 break;
 
@@ -3216,7 +4959,7 @@ static int runlevel_main(void) {
         int r, runlevel, previous;
 
         if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) {
-                printf("unknown");
+                printf("unknown\n");
                 return r;
         }
 
@@ -3228,47 +4971,42 @@ static int runlevel_main(void) {
 }
 
 int main(int argc, char*argv[]) {
-        int r, retval = 1;
+        int r, retval = EXIT_FAILURE;
         DBusConnection *bus = NULL;
         DBusError error;
 
         dbus_error_init(&error);
 
         log_parse_environment();
+        log_open();
 
         if ((r = parse_argv(argc, argv)) < 0)
                 goto finish;
         else if (r == 0) {
-                retval = 0;
+                retval = EXIT_SUCCESS;
                 goto finish;
         }
 
         /* /sbin/runlevel doesn't need to communicate via D-Bus, so
          * let's shortcut this */
         if (arg_action == ACTION_RUNLEVEL) {
-                retval = runlevel_main() < 0;
+                r = runlevel_main();
+                retval = r < 0 ? EXIT_FAILURE : r;
                 goto finish;
         }
 
-        bus_connect(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &error);
+        bus_connect(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error);
 
         switch (arg_action) {
 
-        case ACTION_SYSTEMCTL: {
-
-                if (!bus) {
-                        log_error("Failed to get D-Bus connection: %s", error.message);
-                        goto finish;
-                }
-
-                retval = systemctl_main(bus, argc, argv) < 0;
+        case ACTION_SYSTEMCTL:
+                r = systemctl_main(bus, argc, argv, &error);
                 break;
-        }
 
         case ACTION_HALT:
         case ACTION_POWEROFF:
         case ACTION_REBOOT:
-                retval = halt_main(bus) < 0;
+                r = halt_main(bus);
                 break;
 
         case ACTION_RUNLEVEL2:
@@ -3278,12 +5016,16 @@ int main(int argc, char*argv[]) {
         case ACTION_RESCUE:
         case ACTION_EMERGENCY:
         case ACTION_DEFAULT:
-                retval = start_with_fallback(bus) < 0;
+                r = start_with_fallback(bus);
                 break;
 
         case ACTION_RELOAD:
         case ACTION_REEXEC:
-                retval = reload_with_fallback(bus) < 0;
+                r = reload_with_fallback(bus);
+                break;
+
+        case ACTION_CANCEL_SHUTDOWN:
+                r = send_shutdownd(0, 0, false, NULL);
                 break;
 
         case ACTION_INVALID:
@@ -3292,14 +5034,20 @@ int main(int argc, char*argv[]) {
                 assert_not_reached("Unknown action");
         }
 
+        retval = r < 0 ? EXIT_FAILURE : r;
+
 finish:
 
-        if (bus)
+        if (bus) {
+                dbus_connection_close(bus);
                 dbus_connection_unref(bus);
+        }
 
         dbus_error_free(&error);
 
         dbus_shutdown();
 
+        strv_free(arg_property);
+
         return retval;
 }