Esempio n. 1
0
int main(int argc, char *argv[])
{
  int pv = 0;
  char *p = strchr(argv[0], '/');
  if (p)
    p++;
  else
    p = argv[0];
  if (argc == 2 && strcmp(argv[1], "-f") == 0) {
    argc--;
    pv = AD_NOSYNC;
  }
  if (argc != 1) {
    write(2, argv[0], strlen(argv[0]));
    write(2, ": unexpected argument.\n", 21);
    exit(1);
  }
  /* shutdown does a polite shutdown */
  if (strcmp(p, "shutdown") == 0) {
    if (telinit6())
      exit(0);
    write(2, argv[0], strlen(argv[0]));
    write(2, ": unable to talk to init.\n", 24);
  }
  if (strcmp(p, "halt") == 0)
    uadmin(A_SHUTDOWN, pv, 0);
  else if (strcmp(p, "suspend") == 0)
    uadmin(A_SUSPEND, pv, 0);
  else
    uadmin(A_REBOOT, pv, 0);
  /* If we get here there was an error! */
  perror(argv[0]);
  return 1;
}
Esempio n. 2
0
File: reboot.c Progetto: 8l/FUZIX
int main(int argc, char *argv[])
{
  char *p = strchr(argv[0], '/');
  if (p)
    p++;
  else
    p = argv[0];
  if (strcmp(p, "halt") == 0)
    uadmin(A_SHUTDOWN,0,0);
  else
    uadmin(A_REBOOT,0,0);
  /* If we get here there was an error! */
  perror(argv[0]);
}
Esempio n. 3
0
/*
 * pm_check_suspend() - Check to see if suspend is supported/enabled
 * on this machine.
 * Ultimately, we would prefer to get the "default" suspend type from
 * a PM property or some other API, but for now, we know that STR is
 * only available on x86 and STD is only available on Sparc.  It does
 * make this function quite easy, though.
 */
static int
pm_check_suspend(void) {
	/*
	 * Use the uadmin(2) "CHECK" command to see if suspend is supported
	 */
	return (uadmin(A_FREEZE, AD_CHECK_SUSPEND, 0));
}
Esempio n. 4
0
/*ARGSUSED*/
static void
power_button_monitor(void *arg)
{
	struct pollfd pfd;
	int events, ret;

	if (ioctl(pb_fd, PB_BEGIN_MONITOR, NULL) == -1) {
		logerror("Failed to monitor the power button.");
		thr_exit((void *) 0);
	}

	pfd.fd = pb_fd;
	pfd.events = POLLIN;

	/*CONSTCOND*/
	while (1) {
		if (poll(&pfd, 1, INFTIM) == -1) {
			logerror("Failed to poll for power button events.");
			thr_exit((void *) 0);
		}

		if (!(pfd.revents & POLLIN))
			continue;

		/*
		 * Monitor the power button, but only take action if
		 * gnome-power-manager is not running.
		 *
		 * ret greater than 0 means could not find process.
		 */
		ret = system("/usr/bin/pgrep -fx gnome-power-manager");

		if (ioctl(pfd.fd, PB_GET_EVENTS, &events) == -1) {
			logerror("Failed to get power button events.");
			thr_exit((void *) 0);
		}

		if ((ret > 0) && (events & PB_BUTTON_PRESS) &&
		    (poweroff(NULL, power_button_cmd) != 0)) {
			logerror("Power button is pressed, powering "
			    "down the system!");

			/*
			 * Send SIGPWR signal to the init process to
			 * shut down the system.
			 */
			if (kill(1, SIGPWR) == -1)
				(void) uadmin(A_SHUTDOWN, AD_POWEROFF, 0);
		}

		/*
		 * Clear any power button event that has happened
		 * meanwhile we were busy processing the last one.
		 */
		if (ioctl(pfd.fd, PB_GET_EVENTS, &events) == -1) {
			logerror("Failed to get power button events.");
			thr_exit((void *) 0);
		}
	}
}
Esempio n. 5
0
/*ARGSUSED*/
static void
power_button_monitor(void *arg)
{
	struct pollfd pfd;
	int events;

	if (ioctl(pb_fd, PB_BEGIN_MONITOR, NULL) == -1) {
		logerror("Failed to monitor the power button.");
		thr_exit((void *) 0);
	}

	pfd.fd = pb_fd;
	pfd.events = POLLIN;

	/*CONSTCOND*/
	while (1) {
		if (poll(&pfd, 1, INFTIM) == -1) {
			logerror("Failed to poll for power button events.");
			thr_exit((void *) 0);
		}

		if (!(pfd.revents & POLLIN))
			continue;

		if (ioctl(pfd.fd, PB_GET_EVENTS, &events) == -1) {
			logerror("Failed to get power button events.");
			thr_exit((void *) 0);
		}

		if ((events & PB_BUTTON_PRESS) &&
		    (poweroff(NULL, power_button_cmd) != 0)) {
			logerror("Power button is pressed, powering "
			    "down the system!");

			/*
			 * Send SIGPWR signal to the init process to
			 * shut down the system.
			 */
			if (kill(1, SIGPWR) == -1)
				(void) uadmin(A_SHUTDOWN, AD_POWEROFF, 0);
		}

		/*
		 * Clear any power button event that has happened
		 * meanwhile we were busy processing the last one.
		 */
		if (ioctl(pfd.fd, PB_GET_EVENTS, &events) == -1) {
			logerror("Failed to get power button events.");
			thr_exit((void *) 0);
		}
	}
}
Esempio n. 6
0
/*
 * Note that not all of BSD's semantics are supported.
 */
int
reboot(int howto, char *bootargs)
{
	int cmd = A_SHUTDOWN;
	int fcn = AD_BOOT;

	if (howto & RB_DUMP)
		cmd = A_DUMP;

	if (howto & RB_HALT)
		fcn = AD_HALT;
	else if (howto & RB_ASKNAME)
		fcn = AD_IBOOT;

	return (uadmin(cmd, fcn, (uintptr_t)bootargs));
}
Esempio n. 7
0
/*
 * This entry point _should_ be the common entry to suspend.  It is in
 * it's entirety here, but would be best moved to libpower when that
 * is available.
 */
static void
pm_suspend(void)
{
	int			cprarg = AD_SUSPEND;
	enum adt_uadmin_fcn	fcn_id = ADT_FCN;
	au_event_t		event_id = ADT_uadmin_freeze;
	adt_event_data_t	*event = NULL; /* event to be generated */
	adt_session_data_t	*ah = NULL;  /* audit session handle */

	/*
	 * Does the user have permission to use this command?
	 */
	if (chkauthattr(AUTHNAME_SUSPEND, user) != 1) {
		(void) printf(gettext("User %s does not have correct "
		    "authorizations to suspend this machine.\n"), user);
		exit(1);
	}

	if (flags & LOWPOWER) {
		if (bringto_lowpower() == -1) {
			(void) printf(gettext("LowPower Failed\n"));
			exit(1);
		}
	} else if (flags & TEST) {
		/*
		 * Test mode, do checks as if a real suspend, but
		 * don't actually do the suspend.
		 */
		/* Check if suspend is supported */
		if (pm_check_suspend() == -1) {
			suspend_error(errno);
		}

		(void) printf(gettext("TEST: Suspend would have been"
		    " performed\n"));

	} else {
		/* Check if suspend is supported */
		if (pm_check_suspend() == -1) {
			suspend_error(errno);
		}

		/*
		 * We are about to suspend this machine, try and
		 * lock the screen.  We don't really care if this
		 * succeeds or not, but that we actually tried. We
		 * also know that we have sufficient privileges to
		 * be here, so we lock the screen now, even if
		 * suspend actually fails.
		 * Note that garbage is sometimes displayed, and
		 * we don't really care about it, so we toss all
		 * text response.
		 * it would also be good if there were another option
		 * instead of launcing a file, as the disk might be
		 * spun down if we are suspending due to idle.
		 */
		if (!(flags & NO_XLOCK)) {
			(void) system("/usr/bin/xdg-screensaver lock "
			    " >/dev/null 2>&1");
		}

		/* Time to do the actual deed!  */
		/*
		 * Before we actually suspend, we need to audit and
		 * "suspend" the audit files.
		 */
		/* set up audit session and event */
		if (adt_start_session(&ah, NULL, ADT_USE_PROC_DATA) == 0) {
			if ((event = adt_alloc_event(ah, event_id)) != NULL) {
				event->adt_uadmin_freeze.fcn = fcn_id;
				event->adt_uadmin_freeze.mdep = NULL;
				if (adt_put_event(event, ADT_SUCCESS, 0) != 0) {
					(void) fprintf(stderr, gettext(
					    "%s: can't put audit event\n"),
					    argvl[0]);
				} else {
					wait_for_auqueue();
				}
			}
			(void) change_audit_file();
		} else {
			(void) fprintf(stderr, gettext(
			    "%s: can't start audit session\n"), argvl[0]);
		}

		if (uadmin(A_FREEZE, cprarg, 0) != 0) {
			(void) printf(gettext("Suspend Failed\n"));
			if (flags & FORCE) {
				/*
				 * Note, that if we actually poweroff,
				 * that the poweroff function will handle
				 * that audit trail, and the resume
				 * trail is effectively done.
				 */
				pm_poweroff();
			} else {
				/* suspend_error() will exit. */
				suspend_error(errno);
				/*
				 * Audit the suspend failure and
				 * reuse the event, but don't create one
				 * if we don't already have one.
				 */
				if (event != NULL) {
					(void) adt_put_event(event,
					    ADT_FAILURE, 0);
				}
			}
		}

		/*
		 * Write the thaw event.
		 */
		if (ah != NULL) {
			if ((event == NULL) &&
			    ((event = adt_alloc_event(ah, ADT_uadmin_thaw))
			    == NULL)) {
				(void) fprintf(stderr, gettext(
				    "%s: can't allocate thaw audit event\n"),
				    argvl[0]);
			} else {
				event->adt_uadmin_thaw.fcn = fcn_id;
				if (adt_put_event(event, ADT_SUCCESS, 0) != 0) {
					(void) fprintf(stderr, gettext(
					    "%s: can't put thaw audit event\n"),
					    argvl[0]);
				}
				(void) adt_free_event(event);
			}
		}
	}
	if ((no_tty ? 0 : 1) && !(flags & NO_XLOCK)) {
		pm_do_auth(ah);
	}

	(void) adt_end_session(ah);
}