chiark / gitweb /
main: refuse --test as root
[elogind.git] / src / main.c
index 7e3374410c1e26e488896a5f149ff3743d14e37e..d1be83d44f9eb774025e5c8ccf18e7dc23eb8dbd 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.
@@ -31,6 +31,7 @@
 #include <signal.h>
 #include <sys/wait.h>
 #include <fcntl.h>
+#include <sys/prctl.h>
 
 #include "manager.h"
 #include "log.h"
 #include "hostname-setup.h"
 #include "loopback-setup.h"
 #include "kmod-setup.h"
-#include "modprobe-setup.h"
+#include "locale-setup.h"
+#include "selinux-setup.h"
 #include "load-fragment.h"
 #include "fdset.h"
 #include "special.h"
 #include "conf-parser.h"
+#include "bus-errors.h"
+#include "missing.h"
+#include "label.h"
+#include "build.h"
+#include "strv.h"
 
 static enum {
         ACTION_RUN,
@@ -59,23 +66,25 @@ static bool arg_dump_core = true;
 static bool arg_crash_shell = false;
 static int arg_crash_chvt = -1;
 static bool arg_confirm_spawn = false;
-static bool arg_nomodules = false;
 static bool arg_show_status = true;
+#ifdef HAVE_SYSV_COMPAT
+static bool arg_sysv_console = true;
+#endif
+static bool arg_mount_auto = true;
+static bool arg_swap_auto = true;
+static char **arg_default_controllers = NULL;
+static ExecOutput arg_default_std_output = EXEC_OUTPUT_INHERIT;
+static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
 
 static FILE* serialization = NULL;
 
-_noreturn_ static void freeze(void) {
-        for (;;)
-                pause();
-}
-
 static void nop_handler(int sig) {
 }
 
 _noreturn_ static void crash(int sig) {
 
         if (!arg_dump_core)
-                log_error("Caught <%s>, not dumping core.", strsignal(sig));
+                log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
         else {
                 struct sigaction sa;
                 pid_t pid;
@@ -87,7 +96,7 @@ _noreturn_ static void crash(int sig) {
                 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
 
                 if ((pid = fork()) < 0)
-                        log_error("Caught <%s>, cannot fork for core dump: %s", strsignal(sig), strerror(errno));
+                        log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
 
                 else if (pid == 0) {
                         struct rlimit rl;
@@ -113,15 +122,16 @@ _noreturn_ static void crash(int sig) {
                         _exit(1);
 
                 } else {
-                        int status, r;
+                        siginfo_t status;
+                        int r;
 
                         /* Order things nicely. */
-                        if ((r = waitpid(pid, &status, 0)) < 0)
-                                log_error("Caught <%s>, waitpid() failed: %s", strsignal(sig), strerror(errno));
-                        else if (!WCOREDUMP(status))
-                                log_error("Caught <%s>, core dump failed.", strsignal(sig));
+                        if ((r = wait_for_terminate(pid, &status)) < 0)
+                                log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
+                        else if (status.si_code != CLD_DUMPED)
+                                log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
                         else
-                                log_error("Caught <%s>, dumped core as pid %lu.", strsignal(sig), (unsigned long) pid);
+                                log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
                 }
         }
 
@@ -175,20 +185,6 @@ static void install_crash_handler(void) {
         sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
 }
 
-static int make_null_stdio(void) {
-        int null_fd, r;
-
-        if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) {
-                log_error("Failed to open /dev/null: %m");
-                return -errno;
-        }
-
-        if ((r = make_stdio(null_fd)) < 0)
-                log_warning("Failed to dup2() device: %s", strerror(-r));
-
-        return r;
-}
-
 static int console_setup(bool do_reset) {
         int tty_fd, r;
 
@@ -228,17 +224,19 @@ static int set_default_unit(const char *u) {
 static int parse_proc_cmdline_word(const char *word) {
 
         static const char * const rlmap[] = {
-                "single", SPECIAL_RESCUE_TARGET,
-                "-s",     SPECIAL_RESCUE_TARGET,
-                "s",      SPECIAL_RESCUE_TARGET,
-                "S",      SPECIAL_RESCUE_TARGET,
-                "1",      SPECIAL_RESCUE_TARGET,
-                "2",      SPECIAL_RUNLEVEL2_TARGET,
-                "3",      SPECIAL_RUNLEVEL3_TARGET,
-                "4",      SPECIAL_RUNLEVEL4_TARGET,
-                "5",      SPECIAL_RUNLEVEL5_TARGET
+                "emergency", SPECIAL_EMERGENCY_TARGET,
+                "single",    SPECIAL_RESCUE_TARGET,
+                "-s",        SPECIAL_RESCUE_TARGET,
+                "s",         SPECIAL_RESCUE_TARGET,
+                "S",         SPECIAL_RESCUE_TARGET,
+                "1",         SPECIAL_RESCUE_TARGET,
+                "2",         SPECIAL_RUNLEVEL2_TARGET,
+                "3",         SPECIAL_RUNLEVEL3_TARGET,
+                "4",         SPECIAL_RUNLEVEL4_TARGET,
+                "5",         SPECIAL_RUNLEVEL5_TARGET,
         };
-        bool ignore_quiet = false;
+
+        assert(word);
 
         if (startswith(word, "systemd.unit="))
                 return set_default_unit(word + 13);
@@ -300,10 +298,31 @@ static int parse_proc_cmdline_word(const char *word) {
 
                 if ((r = parse_boolean(word + 20)) < 0)
                         log_warning("Failed to parse show status switch %s, Ignoring.", word + 20);
-                else {
+                else
                         arg_show_status = r;
-                        ignore_quiet = true;
-                }
+        } else if (startswith(word, "systemd.default_standard_output=")) {
+                int r;
+
+                if ((r = exec_output_from_string(word + 32)) < 0)
+                        log_warning("Failed to parse default standard output switch %s, Ignoring.", word + 32);
+                else
+                        arg_default_std_output = r;
+        } else if (startswith(word, "systemd.default_standard_error=")) {
+                int r;
+
+                if ((r = exec_output_from_string(word + 31)) < 0)
+                        log_warning("Failed to parse default standard error switch %s, Ignoring.", word + 31);
+                else
+                        arg_default_std_error = r;
+#ifdef HAVE_SYSV_COMPAT
+        } else if (startswith(word, "systemd.sysv_console=")) {
+                int r;
+
+                if ((r = parse_boolean(word + 21)) < 0)
+                        log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20);
+                else
+                        arg_sysv_console = r;
+#endif
 
         } else if (startswith(word, "systemd.")) {
 
@@ -311,22 +330,29 @@ static int parse_proc_cmdline_word(const char *word) {
 
                 log_info("Supported kernel switches:\n"
                          "systemd.unit=UNIT                        Default unit to start\n"
-                         "systemd.log_target=console|kmsg|syslog|  Log target\n"
-                         "                   syslog-org-kmsg|null\n"
-                         "systemd.log_level=LEVEL                  Log level\n"
-                         "systemd.log_color=0|1                    Highlight important log messages\n"
-                         "systemd.log_location=0|1                 Include code location in log messages\n"
                          "systemd.dump_core=0|1                    Dump core on crash\n"
                          "systemd.crash_shell=0|1                  Run shell on crash\n"
                          "systemd.crash_chvt=N                     Change to VT #N on crash\n"
                          "systemd.confirm_spawn=0|1                Confirm every process spawn\n"
-                         "systemd.show_status=0|1                  Show status updates on the console during bootup\n");
-
-        } else if (streq(word, "nomodules"))
-                arg_nomodules = true;
-        else if (streq(word, "quiet")) {
-                if (!ignore_quiet)
-                        arg_show_status = false;
+                         "systemd.show_status=0|1                  Show status updates on the console during bootup\n"
+#ifdef HAVE_SYSV_COMPAT
+                         "systemd.sysv_console=0|1                 Connect output of SysV scripts to console\n"
+#endif
+                         "systemd.log_target=console|kmsg|syslog|syslog-or-kmsg|null\n"
+                         "                                         Log target\n"
+                         "systemd.log_level=LEVEL                  Log level\n"
+                         "systemd.log_color=0|1                    Highlight important log messages\n"
+                         "systemd.log_location=0|1                 Include code location in log messages\n"
+                         "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console\n"
+                         "                                         Set default log output for services\n"
+                         "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console\n"
+                         "                                         Set default log error output for services\n");
+
+        } else if (streq(word, "quiet")) {
+                arg_show_status = false;
+#ifdef HAVE_SYSV_COMPAT
+                arg_sysv_console = false;
+#endif
         } else {
                 unsigned i;
 
@@ -426,7 +452,7 @@ static int config_parse_cpu_affinity(
         assert(lvalue);
         assert(rvalue);
 
-        FOREACH_WORD(w, l, rvalue, state) {
+        FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 char *t;
                 int r;
                 unsigned cpu;
@@ -460,18 +486,28 @@ static int config_parse_cpu_affinity(
         return 0;
 }
 
+static DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
+
 static int parse_config_file(void) {
 
         const ConfigItem items[] = {
-                { "LogLevel",    config_parse_level,        NULL,             "Manager" },
-                { "LogTarget",   config_parse_target,       NULL,             "Manager" },
-                { "LogColor",    config_parse_color,        NULL,             "Manager" },
-                { "LogLocation", config_parse_location,     NULL,             "Manager" },
-                { "DumpCore",    config_parse_bool,         &arg_dump_core,   "Manager" },
-                { "CrashShell",  config_parse_bool,         &arg_crash_shell, "Manager" },
-                { "ShowStatus",  config_parse_bool,         &arg_show_status, "Manager" },
-                { "CrashChVT",   config_parse_int,          &arg_crash_chvt,  "Manager" },
-                { "CPUAffinity", config_parse_cpu_affinity, NULL,             "Manager" },
+                { "LogLevel",              config_parse_level,        NULL,                     "Manager" },
+                { "LogTarget",             config_parse_target,       NULL,                     "Manager" },
+                { "LogColor",              config_parse_color,        NULL,                     "Manager" },
+                { "LogLocation",           config_parse_location,     NULL,                     "Manager" },
+                { "DumpCore",              config_parse_bool,         &arg_dump_core,           "Manager" },
+                { "CrashShell",            config_parse_bool,         &arg_crash_shell,         "Manager" },
+                { "ShowStatus",            config_parse_bool,         &arg_show_status,         "Manager" },
+#ifdef HAVE_SYSV_COMPAT
+                { "SysVConsole",           config_parse_bool,         &arg_sysv_console,        "Manager" },
+#endif
+                { "CrashChVT",             config_parse_int,          &arg_crash_chvt,          "Manager" },
+                { "CPUAffinity",           config_parse_cpu_affinity, NULL,                     "Manager" },
+                { "MountAuto",             config_parse_bool,         &arg_mount_auto,          "Manager" },
+                { "SwapAuto",              config_parse_bool,         &arg_swap_auto,           "Manager" },
+                { "DefaultControllers",    config_parse_strv,         &arg_default_controllers, "Manager" },
+                { "DefaultStandardOutput", config_parse_output,       &arg_default_std_output,  "Manager" },
+                { "DefaultStandardError",  config_parse_output,       &arg_default_std_error,   "Manager" },
                 { NULL, NULL, NULL, NULL }
         };
 
@@ -484,7 +520,7 @@ static int parse_config_file(void) {
         const char *fn;
         int r;
 
-        fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
+        fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
 
         if (!(f = fopen(fn, "re"))) {
                 if (errno == ENOENT)
@@ -503,14 +539,12 @@ static int parse_config_file(void) {
 }
 
 static int parse_proc_cmdline(void) {
-        char *line;
+        char *line, *w, *state;
         int r;
-        char *w;
         size_t l;
-        char *state;
 
         if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
-                log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(errno));
+                log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
                 return 0;
         }
 
@@ -544,15 +578,19 @@ static int parse_argv(int argc, char *argv[]) {
                 ARG_LOG_COLOR,
                 ARG_LOG_LOCATION,
                 ARG_UNIT,
-                ARG_RUNNING_AS,
+                ARG_SYSTEM,
+                ARG_USER,
                 ARG_TEST,
                 ARG_DUMP_CONFIGURATION_ITEMS,
                 ARG_DUMP_CORE,
                 ARG_CRASH_SHELL,
                 ARG_CONFIRM_SPAWN,
                 ARG_SHOW_STATUS,
+                ARG_SYSV_CONSOLE,
                 ARG_DESERIALIZE,
-                ARG_INTROSPECT
+                ARG_INTROSPECT,
+                ARG_DEFAULT_STD_OUTPUT,
+                ARG_DEFAULT_STD_ERROR
         };
 
         static const struct option options[] = {
@@ -561,16 +599,22 @@ static int parse_argv(int argc, char *argv[]) {
                 { "log-color",                optional_argument, NULL, ARG_LOG_COLOR                },
                 { "log-location",             optional_argument, NULL, ARG_LOG_LOCATION             },
                 { "unit",                     required_argument, NULL, ARG_UNIT                     },
-                { "running-as",               required_argument, NULL, ARG_RUNNING_AS               },
+                { "system",                   no_argument,       NULL, ARG_SYSTEM                   },
+                { "user",                     no_argument,       NULL, ARG_USER                     },
                 { "test",                     no_argument,       NULL, ARG_TEST                     },
                 { "help",                     no_argument,       NULL, 'h'                          },
                 { "dump-configuration-items", no_argument,       NULL, ARG_DUMP_CONFIGURATION_ITEMS },
                 { "dump-core",                no_argument,       NULL, ARG_DUMP_CORE                },
                 { "crash-shell",              no_argument,       NULL, ARG_CRASH_SHELL              },
                 { "confirm-spawn",            no_argument,       NULL, ARG_CONFIRM_SPAWN            },
-                { "show-status",              no_argument,       NULL, ARG_SHOW_STATUS              },
+                { "show-status",              optional_argument, NULL, ARG_SHOW_STATUS              },
+#ifdef HAVE_SYSV_COMPAT
+                { "sysv-console",             optional_argument, NULL, ARG_SYSV_CONSOLE             },
+#endif
                 { "deserialize",              required_argument, NULL, ARG_DESERIALIZE              },
                 { "introspect",               optional_argument, NULL, ARG_INTROSPECT               },
+                { "default-standard-output",  required_argument, NULL, ARG_DEFAULT_STD_OUTPUT,      },
+                { "default-standard-error",   required_argument, NULL, ARG_DEFAULT_STD_ERROR,       },
                 { NULL,                       0,                 NULL, 0                            }
         };
 
@@ -579,7 +623,7 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 1);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+        while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
 
                 switch (c) {
 
@@ -624,6 +668,24 @@ static int parse_argv(int argc, char *argv[]) {
 
                         break;
 
+                case ARG_DEFAULT_STD_OUTPUT:
+
+                        if ((r = exec_output_from_string(optarg)) < 0) {
+                                log_error("Failed to parse default standard output setting %s.", optarg);
+                                return r;
+                        } else
+                                arg_default_std_output = r;
+                        break;
+
+                case ARG_DEFAULT_STD_ERROR:
+
+                        if ((r = exec_output_from_string(optarg)) < 0) {
+                                log_error("Failed to parse default standard error output setting %s.", optarg);
+                                return r;
+                        } else
+                                arg_default_std_error = r;
+                        break;
+
                 case ARG_UNIT:
 
                         if ((r = set_default_unit(optarg)) < 0) {
@@ -633,17 +695,13 @@ static int parse_argv(int argc, char *argv[]) {
 
                         break;
 
-                case ARG_RUNNING_AS: {
-                        ManagerRunningAs as;
-
-                        if ((as = manager_running_as_from_string(optarg)) < 0) {
-                                log_error("Failed to parse running as value %s", optarg);
-                                return -EINVAL;
-                        }
+                case ARG_SYSTEM:
+                        arg_running_as = MANAGER_SYSTEM;
+                        break;
 
-                        arg_running_as = as;
+                case ARG_USER:
+                        arg_running_as = MANAGER_USER;
                         break;
-                }
 
                 case ARG_TEST:
                         arg_action = ACTION_TEST;
@@ -666,8 +724,29 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
 
                 case ARG_SHOW_STATUS:
-                        arg_show_status = true;
+
+                        if (optarg) {
+                                if ((r = parse_boolean(optarg)) < 0) {
+                                        log_error("Failed to show status boolean %s.", optarg);
+                                        return r;
+                                }
+                                arg_show_status = r;
+                        } else
+                                arg_show_status = true;
                         break;
+#ifdef HAVE_SYSV_COMPAT
+                case ARG_SYSV_CONSOLE:
+
+                        if (optarg) {
+                                if ((r = parse_boolean(optarg)) < 0) {
+                                        log_error("Failed to SysV console boolean %s.", optarg);
+                                        return r;
+                                }
+                                arg_sysv_console = r;
+                        } else
+                                arg_sysv_console = true;
+                        break;
+#endif
 
                 case ARG_DESERIALIZE: {
                         int fd;
@@ -716,6 +795,10 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_action = ACTION_HELP;
                         break;
 
+                case 'D':
+                        log_set_max_level(LOG_DEBUG);
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -739,21 +822,27 @@ static int parse_argv(int argc, char *argv[]) {
 static int help(void) {
 
         printf("%s [OPTIONS...]\n\n"
-               "Starts up and maintains the system or a session.\n\n"
+               "Starts up and maintains the system or user services.\n\n"
                "  -h --help                      Show this help\n"
                "     --test                      Determine startup sequence, dump it and exit\n"
                "     --dump-configuration-items  Dump understood unit configuration items\n"
                "     --introspect[=INTERFACE]    Extract D-Bus interface data\n"
                "     --unit=UNIT                 Set default unit\n"
-               "     --running-as=AS             Set running as (system, session)\n"
+               "     --system                    Run a system instance, even if PID != 1\n"
+               "     --user                      Run a user instance\n"
                "     --dump-core                 Dump core on crash\n"
                "     --crash-shell               Run shell on crash\n"
                "     --confirm-spawn             Ask for confirmation when spawning processes\n"
-               "     --show-status               Show status updates on the console during bootup\n"
+               "     --show-status[=0|1]         Show status updates on the console during bootup\n"
+#ifdef HAVE_SYSV_COMPAT
+               "     --sysv-console[=0|1]        Connect output of SysV scripts to console\n"
+#endif
                "     --log-target=TARGET         Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
                "     --log-level=LEVEL           Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
                "     --log-color[=0|1]           Highlight important log messages\n"
-               "     --log-location[=0|1]        Include code location in log messages\n",
+               "     --log-location[=0|1]        Include code location in log messages\n"
+               "     --default-standard-output=  Set default standard output for services\n"
+               "     --default-standard-error=   Set default standard error output for services\n",
                program_invocation_short_name);
 
         return 0;
@@ -768,7 +857,7 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
         assert(_f);
         assert(_fds);
 
-        if ((r = manager_open_serialization(&f)) < 0) {
+        if ((r = manager_open_serialization(m, &f)) < 0) {
                 log_error("Failed to create serialization faile: %s", strerror(-r));
                 goto fail;
         }
@@ -813,13 +902,50 @@ fail:
         return r;
 }
 
+static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
+        const char *e;
+        unsigned long long a, b;
+
+        assert(t);
+
+        if (!(e = getenv("RD_TIMESTAMP")))
+                return NULL;
+
+        if (sscanf(e, "%llu %llu", &a, &b) != 2)
+                return NULL;
+
+        t->realtime = (usec_t) a;
+        t->monotonic = (usec_t) b;
+
+        return t;
+}
+
+static void test_mtab(void) {
+        char *p;
+
+        if (readlink_malloc("/etc/mtab", &p) >= 0) {
+                bool b;
+
+                b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
+                free(p);
+
+                if (b)
+                        return;
+        }
+
+        log_error("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
+                  "This is not supported anymore. "
+                  "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
+}
+
 int main(int argc, char *argv[]) {
         Manager *m = NULL;
-        Unit *target = NULL;
-        Job *job = NULL;
-        int r, retval = 1;
+        int r, retval = EXIT_FAILURE;
         FDSet *fds = NULL;
         bool reexecute = false;
+        const char *shutdown_verb = NULL;
+        dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
+        char systemd[] = "systemd";
 
         if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
                 /* This is compatbility support for SysV, where
@@ -831,15 +957,31 @@ int main(int argc, char *argv[]) {
                 return 1;
         }
 
-        log_show_color(true);
+        /* If we get started via the /sbin/init symlink then we are
+           called 'init'. After a subsequent reexecution we are then
+           called 'systemd'. That is confusing, hence let's call us
+           systemd right-away. */
+
+        program_invocation_short_name = systemd;
+        prctl(PR_SET_NAME, systemd);
+
+        log_show_color(isatty(STDERR_FILENO) > 0);
         log_show_location(false);
         log_set_max_level(LOG_INFO);
 
         if (getpid() == 1) {
                 arg_running_as = MANAGER_SYSTEM;
                 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+
+                /* This might actually not return, but cause a
+                 * reexecution */
+                if (selinux_setup(argv) < 0)
+                        goto finish;
+
+                if (label_init() < 0)
+                        goto finish;
         } else {
-                arg_running_as = MANAGER_SESSION;
+                arg_running_as = MANAGER_USER;
                 log_set_target(LOG_TARGET_CONSOLE);
         }
 
@@ -848,7 +990,7 @@ int main(int argc, char *argv[]) {
 
         /* Mount /proc, /sys and friends, so that /proc/cmdline and
          * /proc/$PID/fd is available. */
-        if (geteuid() == 0)
+        if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
                 if (mount_setup() < 0)
                         goto finish;
 
@@ -870,15 +1012,25 @@ int main(int argc, char *argv[]) {
         if (parse_argv(argc, argv) < 0)
                 goto finish;
 
+        if (arg_action == ACTION_TEST && geteuid() == 0) {
+                log_error("Don't run test mode as root.");
+                goto finish;
+        }
+
+        /* If Plymouth is being run make sure we show the status, so
+         * that there's something nice to see when people press Esc */
+        if (access("/dev/.systemd/plymouth", F_OK) >= 0)
+                arg_show_status = true;
+
         if (arg_action == ACTION_HELP) {
                 retval = help();
                 goto finish;
         } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
                 unit_dump_config_items(stdout);
-                retval = 0;
+                retval = EXIT_SUCCESS;
                 goto finish;
         } else if (arg_action == ACTION_DONE) {
-                retval = 0;
+                retval = EXIT_SUCCESS;
                 goto finish;
         }
 
@@ -900,6 +1052,17 @@ int main(int argc, char *argv[]) {
                "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
                arg_running_as == MANAGER_SYSTEM);
 
+        if (arg_running_as == MANAGER_SYSTEM) {
+                /* Parse the data passed to us by the initrd and unset it */
+                parse_initrd_timestamp(&initrd_timestamp);
+                filter_environ("RD_");
+
+                /* Unset some environment variables passed in from the
+                 * kernel that don't really make sense for us. */
+                unsetenv("HOME");
+                unsetenv("TERM");
+        }
+
         /* Move out of the way, so that we won't block unmounts */
         assert_se(chdir("/")  == 0);
 
@@ -929,15 +1092,22 @@ int main(int argc, char *argv[]) {
         if (getpid() == 1)
                 install_crash_handler();
 
-        log_debug(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as));
+        log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
+                 PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
 
         if (arg_running_as == MANAGER_SYSTEM && !serialization) {
+                locale_setup();
+
                 if (arg_show_status)
                         status_welcome();
-                modprobe_setup(arg_nomodules);
+
                 kmod_setup();
                 hostname_setup();
                 loopback_setup();
+
+                mkdir_p("/dev/.systemd/ask-password/", 0755);
+
+                test_mtab();
         }
 
         if ((r = manager_new(arg_running_as, &m)) < 0) {
@@ -947,6 +1117,19 @@ int main(int argc, char *argv[]) {
 
         m->confirm_spawn = arg_confirm_spawn;
         m->show_status = arg_show_status;
+#ifdef HAVE_SYSV_COMPAT
+        m->sysv_console = arg_sysv_console;
+#endif
+        m->mount_auto = arg_mount_auto;
+        m->swap_auto = arg_swap_auto;
+        m->default_std_output = arg_default_std_output;
+        m->default_std_error = arg_default_std_error;
+
+        if (dual_timestamp_is_set(&initrd_timestamp))
+                m->initrd_timestamp = initrd_timestamp;
+
+        if (arg_default_controllers)
+                manager_set_default_controllers(m, arg_default_controllers);
 
         if ((r = manager_startup(m, serialization, fds)) < 0)
                 log_error("Failed to fully start up daemon: %s", strerror(-r));
@@ -963,32 +1146,54 @@ int main(int argc, char *argv[]) {
                 fclose(serialization);
                 serialization = NULL;
         } else {
+                DBusError error;
+                Unit *target = NULL;
+
+                dbus_error_init(&error);
+
                 log_debug("Activating default unit: %s", arg_default_unit);
 
-                if ((r = manager_load_unit(m, arg_default_unit, NULL, &target)) < 0) {
-                        log_error("Failed to load default target: %s", strerror(-r));
+                if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) {
+                        log_error("Failed to load default target: %s", bus_error(&error, r));
+                        dbus_error_free(&error);
+                } else if (target->meta.load_state == UNIT_ERROR)
+                        log_error("Failed to load default target: %s", strerror(-target->meta.load_error));
+                else if (target->meta.load_state == UNIT_MASKED)
+                        log_error("Default target masked.");
 
+                if (!target || target->meta.load_state != UNIT_LOADED) {
                         log_info("Trying to load rescue target...");
-                        if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &target)) < 0) {
-                                log_error("Failed to load rescue target: %s", strerror(-r));
+
+                        if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) {
+                                log_error("Failed to load rescue target: %s", bus_error(&error, r));
+                                dbus_error_free(&error);
+                                goto finish;
+                        } else if (target->meta.load_state == UNIT_ERROR) {
+                                log_error("Failed to load rescue target: %s", strerror(-target->meta.load_error));
+                                goto finish;
+                        } else if (target->meta.load_state == UNIT_MASKED) {
+                                log_error("Rescue target masked.");
                                 goto finish;
                         }
                 }
 
+                assert(target->meta.load_state == UNIT_LOADED);
+
                 if (arg_action == ACTION_TEST) {
                         printf("-> By units:\n");
                         manager_dump_units(m, stdout, "\t");
                 }
 
-                if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &job)) < 0) {
-                        log_error("Failed to start default target: %s", strerror(-r));
+                if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) {
+                        log_error("Failed to start default target: %s", bus_error(&error, r));
+                        dbus_error_free(&error);
                         goto finish;
                 }
 
                 if (arg_action == ACTION_TEST) {
                         printf("-> By jobs:\n");
                         manager_dump_jobs(m, stdout, "\t");
-                        retval = 0;
+                        retval = EXIT_SUCCESS;
                         goto finish;
                 }
         }
@@ -1002,7 +1207,7 @@ int main(int argc, char *argv[]) {
                 switch (m->exit_code) {
 
                 case MANAGER_EXIT:
-                        retval = 0;
+                        retval = EXIT_SUCCESS;
                         log_debug("Exit.");
                         goto finish;
 
@@ -1020,6 +1225,23 @@ int main(int argc, char *argv[]) {
                         log_notice("Reexecuting.");
                         goto finish;
 
+                case MANAGER_REBOOT:
+                case MANAGER_POWEROFF:
+                case MANAGER_HALT:
+                case MANAGER_KEXEC: {
+                        static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
+                                [MANAGER_REBOOT] = "reboot",
+                                [MANAGER_POWEROFF] = "poweroff",
+                                [MANAGER_HALT] = "halt",
+                                [MANAGER_KEXEC] = "kexec"
+                        };
+
+                        assert_se(shutdown_verb = table[m->exit_code]);
+
+                        log_notice("Shutting down.");
+                        goto finish;
+                }
+
                 default:
                         assert_not_reached("Unknown exit code.");
                 }
@@ -1030,11 +1252,14 @@ finish:
                 manager_free(m);
 
         free(arg_default_unit);
+        strv_free(arg_default_controllers);
 
         dbus_shutdown();
 
+        label_finish();
+
         if (reexecute) {
-                const char *args[11];
+                const char *args[15];
                 unsigned i = 0;
                 char sfd[16];
 
@@ -1049,8 +1274,31 @@ finish:
                 args[i++] = "--log-target";
                 args[i++] = log_target_to_string(log_get_target());
 
-                args[i++] = "--running-as";
-                args[i++] = manager_running_as_to_string(arg_running_as);
+                if (arg_running_as == MANAGER_SYSTEM)
+                        args[i++] = "--system";
+                else
+                        args[i++] = "--user";
+
+                if (arg_dump_core)
+                        args[i++] = "--dump-core";
+
+                if (arg_crash_shell)
+                        args[i++] = "--crash-shell";
+
+                if (arg_confirm_spawn)
+                        args[i++] = "--confirm-spawn";
+
+                if (arg_show_status)
+                        args[i++] = "--show-status=1";
+                else
+                        args[i++] = "--show-status=0";
+
+#ifdef HAVE_SYSV_COMPAT
+                if (arg_sysv_console)
+                        args[i++] = "--sysv-console=1";
+                else
+                        args[i++] = "--sysv-console=0";
+#endif
 
                 snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
                 char_array_0(sfd);
@@ -1058,9 +1306,6 @@ finish:
                 args[i++] = "--deserialize";
                 args[i++] = sfd;
 
-                if (arg_confirm_spawn)
-                        args[i++] = "--confirm-spawn";
-
                 args[i++] = NULL;
 
                 assert(i <= ELEMENTSOF(args));
@@ -1076,6 +1321,17 @@ finish:
         if (fds)
                 fdset_free(fds);
 
+        if (shutdown_verb) {
+                const char * command_line[] = {
+                        SYSTEMD_SHUTDOWN_BINARY_PATH,
+                        shutdown_verb,
+                        NULL
+                };
+
+                execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line);
+                log_error("Failed to execute shutdown binary, freezing: %m");
+        }
+
         if (getpid() == 1)
                 freeze();