diff options
Diffstat (limited to 'sbin/shutdown/shutdown.c')
| -rw-r--r-- | sbin/shutdown/shutdown.c | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/sbin/shutdown/shutdown.c b/sbin/shutdown/shutdown.c index 3864e44025eb..762b23ab6bd9 100644 --- a/sbin/shutdown/shutdown.c +++ b/sbin/shutdown/shutdown.c @@ -29,21 +29,10 @@ * SUCH DAMAGE. */ -#if 0 -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1988, 1990, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)shutdown.c 8.4 (Berkeley) 4/28/95"; -#endif /* not lint */ -#endif -#include <sys/cdefs.h> #include <sys/param.h> #include <sys/boottrace.h> #include <sys/resource.h> +#include <sys/stat.h> #include <sys/syslog.h> #include <sys/time.h> @@ -55,6 +44,7 @@ static char sccsid[] = "@(#)shutdown.c 8.4 (Berkeley) 4/28/95"; #include <pwd.h> #include <setjmp.h> #include <signal.h> +#include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -90,7 +80,8 @@ static struct interval { #undef S static time_t offset, shuttime; -static int docycle, dohalt, dopower, doreboot, killflg, mbuflen, oflag; +static int docycle, dohalt, dopower, doreboot, ign_noshutdown, + killflg, mbuflen, oflag; static char mbuf[BUFSIZ]; static const char *nosync, *whom; @@ -98,7 +89,7 @@ static void badtime(void); static void die_you_gravy_sucking_pig_dog(void); static void finish(int); static void getoffset(char *); -static void loop(void); +static void loop(bool); static void nolog(void); static void timeout(int); static void timewarn(int); @@ -111,13 +102,16 @@ main(int argc, char **argv) { char *p, *endp; struct passwd *pw; + struct stat st; int arglen, ch, len, readstdin; + bool dowarn; #ifndef DEBUG if (geteuid()) errx(1, "NOT super-user"); #endif + dowarn = true; nosync = NULL; readstdin = 0; @@ -142,7 +136,7 @@ main(int argc, char **argv) goto poweroff; } - while ((ch = getopt(argc, argv, "-chknopr")) != -1) + while ((ch = getopt(argc, argv, "-cfhknopqr")) != -1) switch (ch) { case '-': readstdin = 1; @@ -150,6 +144,9 @@ main(int argc, char **argv) case 'c': docycle = 1; break; + case 'f': + ign_noshutdown = 1; + break; case 'h': dohalt = 1; break; @@ -165,6 +162,9 @@ main(int argc, char **argv) case 'p': dopower = 1; break; + case 'q': + dowarn = false; + break; case 'r': doreboot = 1; break; @@ -190,6 +190,8 @@ main(int argc, char **argv) getoffset(*argv++); poweroff: + if (!dowarn && *argv != NULL) + usage("warning-message supplied but suppressed with -q"); if (*argv) { for (p = mbuf, len = sizeof(mbuf); *argv; ++argv) { arglen = strlen(*argv); @@ -220,6 +222,12 @@ poweroff: } mbuflen = strlen(mbuf); + if (!ign_noshutdown && stat(_PATH_NOSHUTDOWN, &st) == 0) { + (void)printf("Shutdown cannot be done, " _PATH_NOSHUTDOWN + " is present\n"); + exit(2); + } + if (offset) { BOOTTRACE("Shutdown at %s", ctime(&shuttime)); (void)printf("Shutdown at %.24s.\n", ctime(&shuttime)); @@ -247,12 +255,12 @@ poweroff: setsid(); #endif openlog("shutdown", LOG_CONS, LOG_AUTH); - loop(); + loop(dowarn); return(0); } static void -loop(void) +loop(bool dowarn) { struct interval *tp; u_int sltime; @@ -275,13 +283,14 @@ loop(void) * the next wait time. */ if ((sltime = offset - tp->timeleft)) { - if (sltime > (u_int)(tp->timetowait / 5)) + if (dowarn && sltime > (u_int)(tp->timetowait / 5)) timewarn(offset); (void)sleep(sltime); } } for (;; ++tp) { - timewarn(tp->timeleft); + if (dowarn) + timewarn(tp->timeleft); if (!logged && tp->timeleft <= NOLOG_TIME) { logged = 1; nolog(); @@ -596,7 +605,7 @@ usage(const char *cp) if (cp != NULL) warnx("%s", cp); (void)fprintf(stderr, - "usage: shutdown [-] [-c | -h | -p | -r | -k] [-o [-n]] time [warning-message ...]\n" + "usage: shutdown [-] [-c | -f | -h | -p | -r | -k] [-o [-n]] [-q] time [warning-message ...]\n" " poweroff\n"); exit(1); } |