ACTION_RUN,
ACTION_HELP,
ACTION_TEST,
- ACTION_DUMP_CONFIGURATION_ITEMS
+ ACTION_DUMP_CONFIGURATION_ITEMS,
+ ACTION_DONE
} action = ACTION_RUN;
static char *default_unit = NULL;
static bool confirm_spawn = false;
static FILE* serialization = NULL;
-_noreturn static void freeze(void) {
+_noreturn_ static void freeze(void) {
for (;;)
pause();
}
static void nop_handler(int sig) {
}
-_noreturn static void crash(int sig) {
+_noreturn_ static void crash(int sig) {
if (!dump_core)
log_error("Caught <%s>, not dumping core.", strsignal(sig));
sa.sa_handler = crash;
sa.sa_flags = SA_NODEFER;
- assert_se(sigaction(SIGSEGV, &sa, NULL) == 0);
- assert_se(sigaction(SIGILL, &sa, NULL) == 0);
- assert_se(sigaction(SIGFPE, &sa, NULL) == 0);
- assert_se(sigaction(SIGBUS, &sa, NULL) == 0);
- assert_se(sigaction(SIGQUIT, &sa, NULL) == 0);
- assert_se(sigaction(SIGABRT, &sa, NULL) == 0);
+ sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
}
static int make_null_stdio(void) {
"5", SPECIAL_RUNLEVEL5_TARGET
};
- if (startswith(word, "systemd.default="))
- return set_default_unit(word + 16);
+ if (startswith(word, "systemd.unit="))
+ return set_default_unit(word + 13);
else if (startswith(word, "systemd.log_target=")) {
enum {
ARG_LOG_LEVEL = 0x100,
ARG_LOG_TARGET,
- ARG_DEFAULT,
+ ARG_UNIT,
ARG_RUNNING_AS,
ARG_TEST,
ARG_DUMP_CONFIGURATION_ITEMS,
ARG_CONFIRM_SPAWN,
- ARG_DESERIALIZE
+ ARG_DESERIALIZE,
+ ARG_INTROSPECT
};
static const struct option options[] = {
{ "log-level", required_argument, NULL, ARG_LOG_LEVEL },
{ "log-target", required_argument, NULL, ARG_LOG_TARGET },
- { "default", required_argument, NULL, ARG_DEFAULT },
+ { "unit", required_argument, NULL, ARG_UNIT },
{ "running-as", required_argument, NULL, ARG_RUNNING_AS },
{ "test", no_argument, NULL, ARG_TEST },
{ "help", no_argument, NULL, 'h' },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
{ "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
{ "deserialize", required_argument, NULL, ARG_DESERIALIZE },
+ { "introspect", optional_argument, NULL, ARG_INTROSPECT },
{ NULL, 0, NULL, 0 }
};
break;
- case ARG_DEFAULT:
+ case ARG_UNIT:
if ((r = set_default_unit(optarg)) < 0) {
log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
break;
}
+ case ARG_INTROSPECT: {
+ const char * const * i = NULL;
+
+ for (i = bus_interface_table; *i; i += 2)
+ if (!optarg || streq(i[0], optarg)) {
+ fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
+ "<node>\n", stdout);
+ fputs(i[1], stdout);
+ fputs("</node>\n", stdout);
+
+ if (optarg)
+ break;
+ }
+
+ if (!i[0] && optarg)
+ log_error("Unknown interface %s.", optarg);
+
+ action = ACTION_DONE;
+ break;
+ }
+
case 'h':
action = ACTION_HELP;
break;
" --running-as=AS Set running as (init, system, session)\n"
" --test Determine startup sequence, dump it and exit\n"
" --dump-configuration-items Dump understood unit configuration items\n"
- " --confirm-spawn Ask for confirmation when spawning processes\n",
+ " --confirm-spawn Ask for confirmation when spawning processes\n"
+ " --introspect[=INTERFACE] Extract D-Bus interface data\n",
__progname);
return 0;
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
- if (mount_setup() < 0)
- goto finish;
+ if (geteuid() == 0)
+ if (mount_setup() < 0)
+ goto finish;
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
/* If we are init, we can block sigkill. Yay. */
- ignore_signal(SIGKILL);
- ignore_signal(SIGPIPE);
+ ignore_signals(SIGNALS_IGNORE, -1);
if (running_as != MANAGER_SESSION)
if (parse_proc_cmdline() < 0)
unit_dump_config_items(stdout);
retval = 0;
goto finish;
+ } else if (action == ACTION_DONE) {
+ retval = 0;
+ goto finish;
}
assert_se(action == ACTION_RUN || action == ACTION_TEST);