Index: head/sbin/reboot/reboot.c =================================================================== --- head/sbin/reboot/reboot.c (revision 325205) +++ head/sbin/reboot/reboot.c (revision 325206) @@ -1,280 +1,280 @@ /* * Copyright (c) 1980, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if 0 #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1980, 1986, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)reboot.c 8.1 (Berkeley) 6/5/93"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void usage(void); static u_int get_pageins(void); static int dohalt; int main(int argc, char *argv[]) { struct utmpx utx; const struct passwd *pw; int ch, howto, i, fd, lflag, nflag, qflag, sverrno, Nflag; u_int pageins; const char *user, *kernel = NULL; if (strcmp(getprogname(), "halt") == 0) { dohalt = 1; howto = RB_HALT; } else howto = 0; lflag = nflag = qflag = Nflag = 0; while ((ch = getopt(argc, argv, "cdk:lNnpqr")) != -1) switch(ch) { case 'c': howto |= RB_POWERCYCLE; break; case 'd': howto |= RB_DUMP; break; case 'k': kernel = optarg; break; case 'l': lflag = 1; break; case 'n': nflag = 1; howto |= RB_NOSYNC; break; case 'N': nflag = 1; Nflag = 1; break; case 'p': howto |= RB_POWEROFF; break; case 'q': qflag = 1; break; case 'r': howto |= RB_REROOT; break; case '?': default: usage(); } argc -= optind; argv += optind; if ((howto & (RB_DUMP | RB_HALT)) == (RB_DUMP | RB_HALT)) errx(1, "cannot dump (-d) when halting; must reboot instead"); if (Nflag && (howto & RB_NOSYNC) != 0) errx(1, "-N cannot be used with -n"); if ((howto & RB_POWEROFF) && (howto & RB_POWERCYCLE)) errx(1, "-c and -p cannot be used together"); if ((howto & RB_REROOT) != 0 && howto != RB_REROOT) errx(1, "-r cannot be used with -c, -d, -n, or -p"); if (geteuid()) { errno = EPERM; err(1, NULL); } if (qflag) { reboot(howto); err(1, NULL); } if (kernel != NULL) { fd = open("/boot/nextboot.conf", O_WRONLY | O_CREAT | O_TRUNC, 0444); if (fd > -1) { (void)write(fd, "nextboot_enable=\"YES\"\n", 22); (void)write(fd, "kernel=\"", 8L); (void)write(fd, kernel, strlen(kernel)); (void)write(fd, "\"\n", 2); close(fd); } } /* Log the reboot. */ if (!lflag) { if ((user = getlogin()) == NULL) user = (pw = getpwuid(getuid())) ? pw->pw_name : "???"; if (dohalt) { openlog("halt", 0, LOG_AUTH | LOG_CONS); syslog(LOG_CRIT, "halted by %s", user); } else if (howto & RB_REROOT) { openlog("reroot", 0, LOG_AUTH | LOG_CONS); syslog(LOG_CRIT, "rerooted by %s", user); } else if (howto & RB_POWEROFF) { openlog("reboot", 0, LOG_AUTH | LOG_CONS); syslog(LOG_CRIT, "powered off by %s", user); } else if (howto & RB_POWERCYCLE) { openlog("reboot", 0, LOG_AUTH | LOG_CONS); syslog(LOG_CRIT, "power cycled by %s", user); } else { openlog("reboot", 0, LOG_AUTH | LOG_CONS); syslog(LOG_CRIT, "rebooted by %s", user); } } utx.ut_type = SHUTDOWN_TIME; gettimeofday(&utx.ut_tv, NULL); pututxline(&utx); /* * Do a sync early on, so disks start transfers while we're off * killing processes. Don't worry about writes done before the * processes die, the reboot system call syncs the disks. */ if (!nflag) sync(); /* * Ignore signals that we can get as a result of killing * parents, group leaders, etc. */ (void)signal(SIGHUP, SIG_IGN); (void)signal(SIGINT, SIG_IGN); (void)signal(SIGQUIT, SIG_IGN); (void)signal(SIGTERM, SIG_IGN); (void)signal(SIGTSTP, SIG_IGN); /* * If we're running in a pipeline, we don't want to die * after killing whatever we're writing to. */ (void)signal(SIGPIPE, SIG_IGN); /* * Only init(8) can perform rerooting. */ if (howto & RB_REROOT) { if (kill(1, SIGEMT) == -1) err(1, "SIGEMT init"); return (0); } /* Just stop init -- if we fail, we'll restart it. */ if (kill(1, SIGTSTP) == -1) err(1, "SIGTSTP init"); /* Send a SIGTERM first, a chance to save the buffers. */ if (kill(-1, SIGTERM) == -1 && errno != ESRCH) err(1, "SIGTERM processes"); /* * After the processes receive the signal, start the rest of the * buffers on their way. Wait 5 seconds between the SIGTERM and * the SIGKILL to give everybody a chance. If there is a lot of * paging activity then wait longer, up to a maximum of approx * 60 seconds. */ sleep(2); for (i = 0; i < 20; i++) { pageins = get_pageins(); if (!nflag) sync(); sleep(3); if (get_pageins() == pageins) break; } for (i = 1;; ++i) { if (kill(-1, SIGKILL) == -1) { if (errno == ESRCH) break; goto restart; } if (i > 5) { (void)fprintf(stderr, "WARNING: some process(es) wouldn't die\n"); break; } (void)sleep(2 * i); } reboot(howto); /* FALLTHROUGH */ restart: sverrno = errno; errx(1, "%s%s", kill(1, SIGHUP) == -1 ? "(can't restart init): " : "", strerror(sverrno)); /* NOTREACHED */ } static void usage(void) { (void)fprintf(stderr, dohalt ? - "usage: halt [-lNnpq] [-k kernel]\n" : - "usage: reboot [-dlNnpqr] [-k kernel]\n"); + "usage: halt [-clNnpq] [-k kernel]\n" : + "usage: reboot [-cdlNnpqr] [-k kernel]\n"); exit(1); } static u_int get_pageins(void) { u_int pageins; size_t len; len = sizeof(pageins); if (sysctlbyname("vm.stats.vm.v_swappgsin", &pageins, &len, NULL, 0) != 0) { warnx("v_swappgsin"); return (0); } return pageins; } Index: head/sbin/shutdown/shutdown.c =================================================================== --- head/sbin/shutdown/shutdown.c (revision 325205) +++ head/sbin/shutdown/shutdown.c (revision 325206) @@ -1,572 +1,572 @@ /* * Copyright (c) 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef DEBUG #undef _PATH_NOLOGIN #define _PATH_NOLOGIN "./nologin" #endif #define H *60*60 #define M *60 #define S *1 #define NOLOG_TIME 5*60 static struct interval { int timeleft, timetowait; } tlist[] = { { 10 H, 5 H }, { 5 H, 3 H }, { 2 H, 1 H }, { 1 H, 30 M }, { 30 M, 10 M }, { 20 M, 10 M }, { 10 M, 5 M }, { 5 M, 3 M }, { 2 M, 1 M }, { 1 M, 30 S }, { 30 S, 30 S }, { 0 , 0 } }; #undef H #undef M #undef S static time_t offset, shuttime; static int docycle, dohalt, dopower, doreboot, killflg, mbuflen, oflag; static char mbuf[BUFSIZ]; static const char *nosync, *whom; 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 nolog(void); static void timeout(int); static void timewarn(int); static void usage(const char *); extern const char **environ; int main(int argc, char **argv) { char *p, *endp; struct passwd *pw; int arglen, ch, len, readstdin; #ifndef DEBUG if (geteuid()) errx(1, "NOT super-user"); #endif nosync = NULL; readstdin = 0; /* * Test for the special case where the utility is called as * "poweroff", for which it runs 'shutdown -p now'. */ if ((p = strrchr(argv[0], '/')) == NULL) p = argv[0]; else ++p; if (strcmp(p, "poweroff") == 0) { if (getopt(argc, argv, "") != -1) usage((char *)NULL); argc -= optind; argv += optind; if (argc != 0) usage((char *)NULL); dopower = 1; offset = 0; (void)time(&shuttime); goto poweroff; } while ((ch = getopt(argc, argv, "-chknopr")) != -1) switch (ch) { case '-': readstdin = 1; break; case 'c': docycle = 1; break; case 'h': dohalt = 1; break; case 'k': killflg = 1; break; case 'n': nosync = "-n"; break; case 'o': oflag = 1; break; case 'p': dopower = 1; break; case 'r': doreboot = 1; break; case '?': default: usage((char *)NULL); } argc -= optind; argv += optind; if (argc < 1) usage((char *)NULL); if (killflg + doreboot + dohalt + dopower + docycle > 1) usage("incompatible switches -c, -h, -k, -p and -r"); if (oflag && !(dohalt || dopower || doreboot || docycle)) usage("-o requires -c, -h, -p or -r"); if (nosync != NULL && !oflag) usage("-n requires -o"); getoffset(*argv++); poweroff: if (*argv) { for (p = mbuf, len = sizeof(mbuf); *argv; ++argv) { arglen = strlen(*argv); if ((len -= arglen) <= 2) break; if (p != mbuf) *p++ = ' '; memmove(p, *argv, arglen); p += arglen; } *p = '\n'; *++p = '\0'; } if (readstdin) { p = mbuf; endp = mbuf + sizeof(mbuf) - 2; for (;;) { if (!fgets(p, endp - p + 1, stdin)) break; for (; *p && p < endp; ++p); if (p == endp) { *p = '\n'; *++p = '\0'; break; } } } mbuflen = strlen(mbuf); if (offset) (void)printf("Shutdown at %.24s.\n", ctime(&shuttime)); else (void)printf("Shutdown NOW!\n"); if (!(whom = getlogin())) whom = (pw = getpwuid(getuid())) ? pw->pw_name : "???"; #ifdef DEBUG (void)putc('\n', stdout); #else (void)setpriority(PRIO_PROCESS, 0, PRIO_MIN); { int forkpid; forkpid = fork(); if (forkpid == -1) err(1, "fork"); if (forkpid) errx(0, "[pid %d]", forkpid); } setsid(); #endif openlog("shutdown", LOG_CONS, LOG_AUTH); loop(); return(0); } static void loop(void) { struct interval *tp; u_int sltime; int logged; if (offset <= NOLOG_TIME) { logged = 1; nolog(); } else logged = 0; tp = tlist; if (tp->timeleft < offset) (void)sleep((u_int)(offset - tp->timeleft)); else { while (tp->timeleft && offset < tp->timeleft) ++tp; /* * Warn now, if going to sleep more than a fifth of * the next wait time. */ if ((sltime = offset - tp->timeleft)) { if (sltime > (u_int)(tp->timetowait / 5)) timewarn(offset); (void)sleep(sltime); } } for (;; ++tp) { timewarn(tp->timeleft); if (!logged && tp->timeleft <= NOLOG_TIME) { logged = 1; nolog(); } (void)sleep((u_int)tp->timetowait); if (!tp->timeleft) break; } die_you_gravy_sucking_pig_dog(); } static jmp_buf alarmbuf; static const char *restricted_environ[] = { "PATH=" _PATH_STDPATH, NULL }; static void timewarn(int timeleft) { static int first; static char hostname[MAXHOSTNAMELEN + 1]; FILE *pf; char wcmd[MAXPATHLEN + 4]; if (!first++) (void)gethostname(hostname, sizeof(hostname)); /* undoc -n option to wall suppresses normal wall banner */ (void)snprintf(wcmd, sizeof(wcmd), "%s -n", _PATH_WALL); environ = restricted_environ; if (!(pf = popen(wcmd, "w"))) { syslog(LOG_ERR, "shutdown: can't find %s: %m", _PATH_WALL); return; } (void)fprintf(pf, "\007*** %sSystem shutdown message from %s@%s ***\007\n", timeleft ? "": "FINAL ", whom, hostname); if (timeleft > 10*60) (void)fprintf(pf, "System going down at %5.5s\n\n", ctime(&shuttime) + 11); else if (timeleft > 59) (void)fprintf(pf, "System going down in %d minute%s\n\n", timeleft / 60, (timeleft > 60) ? "s" : ""); else if (timeleft) (void)fprintf(pf, "System going down in %s30 seconds\n\n", (offset > 0 && offset < 30 ? "less than " : "")); else (void)fprintf(pf, "System going down IMMEDIATELY\n\n"); if (mbuflen) (void)fwrite(mbuf, sizeof(*mbuf), mbuflen, pf); /* * play some games, just in case wall doesn't come back * probably unnecessary, given that wall is careful. */ if (!setjmp(alarmbuf)) { (void)signal(SIGALRM, timeout); (void)alarm((u_int)30); (void)pclose(pf); (void)alarm((u_int)0); (void)signal(SIGALRM, SIG_DFL); } } static void timeout(int signo __unused) { longjmp(alarmbuf, 1); } static void die_you_gravy_sucking_pig_dog(void) { char *empty_environ[] = { NULL }; syslog(LOG_NOTICE, "%s by %s: %s", doreboot ? "reboot" : dohalt ? "halt" : dopower ? "power-down" : docycle ? "power-cycle" : "shutdown", whom, mbuf); (void)printf("\r\nSystem shutdown time has arrived\007\007\r\n"); if (killflg) { (void)printf("\rbut you'll have to do it yourself\r\n"); exit(0); } #ifdef DEBUG if (doreboot) (void)printf("reboot"); else if (docycle) (void)printf("power-cycle"); else if (dohalt) (void)printf("halt"); else if (dopower) (void)printf("power-down"); if (nosync != NULL) (void)printf(" no sync"); (void)printf("\nkill -HUP 1\n"); #else if (!oflag) { (void)kill(1, doreboot ? SIGINT : /* reboot */ dohalt ? SIGUSR1 : /* halt */ dopower ? SIGUSR2 : /* power-down */ docycle ? SIGWINCH : /* power-cycle */ SIGTERM); /* single-user */ } else { if (doreboot) { execle(_PATH_REBOOT, "reboot", "-l", nosync, (char *)NULL, empty_environ); syslog(LOG_ERR, "shutdown: can't exec %s: %m.", _PATH_REBOOT); warn(_PATH_REBOOT); } else if (dohalt) { execle(_PATH_HALT, "halt", "-l", nosync, (char *)NULL, empty_environ); syslog(LOG_ERR, "shutdown: can't exec %s: %m.", _PATH_HALT); warn(_PATH_HALT); } else if (dopower) { execle(_PATH_HALT, "halt", "-l", "-p", nosync, (char *)NULL, empty_environ); syslog(LOG_ERR, "shutdown: can't exec %s: %m.", _PATH_HALT); warn(_PATH_HALT); } else if (docycle) { execle(_PATH_HALT, "halt", "-l", "-c", nosync, (char *)NULL, empty_environ); syslog(LOG_ERR, "shutdown: can't exec %s: %m.", _PATH_HALT); warn(_PATH_HALT); } (void)kill(1, SIGTERM); /* to single-user */ } #endif finish(0); } #define ATOI2(p) (p[0] - '0') * 10 + (p[1] - '0'); p += 2; static void getoffset(char *timearg) { struct tm *lt; char *p; time_t now; int this_year; char *timeunit; (void)time(&now); if (!strcasecmp(timearg, "now")) { /* now */ offset = 0; shuttime = now; return; } if (*timearg == '+') { /* +minutes */ if (!isdigit(*++timearg)) badtime(); errno = 0; offset = strtol(timearg, &timeunit, 10); if (offset < 0 || offset == LONG_MAX || errno != 0) badtime(); if (timeunit[0] == '\0' || strcasecmp(timeunit, "m") == 0 || strcasecmp(timeunit, "min") == 0 || strcasecmp(timeunit, "mins") == 0) { offset *= 60; } else if (strcasecmp(timeunit, "h") == 0 || strcasecmp(timeunit, "hour") == 0 || strcasecmp(timeunit, "hours") == 0) { offset *= 60 * 60; } else if (strcasecmp(timeunit, "s") == 0 || strcasecmp(timeunit, "sec") == 0 || strcasecmp(timeunit, "secs") == 0) { offset *= 1; } else { badtime(); } shuttime = now + offset; return; } /* handle hh:mm by getting rid of the colon */ for (p = timearg; *p; ++p) if (!isascii(*p) || !isdigit(*p)) { if (*p == ':' && strlen(p) == 3) { p[0] = p[1]; p[1] = p[2]; p[2] = '\0'; } else badtime(); } unsetenv("TZ"); /* OUR timezone */ lt = localtime(&now); /* current time val */ switch(strlen(timearg)) { case 10: this_year = lt->tm_year; lt->tm_year = ATOI2(timearg); /* * check if the specified year is in the next century. * allow for one year of user error as many people will * enter n - 1 at the start of year n. */ if (lt->tm_year < (this_year % 100) - 1) lt->tm_year += 100; /* adjust for the year 2000 and beyond */ lt->tm_year += (this_year - (this_year % 100)); /* FALLTHROUGH */ case 8: lt->tm_mon = ATOI2(timearg); if (--lt->tm_mon < 0 || lt->tm_mon > 11) badtime(); /* FALLTHROUGH */ case 6: lt->tm_mday = ATOI2(timearg); if (lt->tm_mday < 1 || lt->tm_mday > 31) badtime(); /* FALLTHROUGH */ case 4: lt->tm_hour = ATOI2(timearg); if (lt->tm_hour < 0 || lt->tm_hour > 23) badtime(); lt->tm_min = ATOI2(timearg); if (lt->tm_min < 0 || lt->tm_min > 59) badtime(); lt->tm_sec = 0; if ((shuttime = mktime(lt)) == -1) badtime(); if ((offset = shuttime - now) < 0) errx(1, "that time is already past."); break; default: badtime(); } } #define NOMSG "\n\nNO LOGINS: System going down at " static void nolog(void) { int logfd; char *ct; (void)unlink(_PATH_NOLOGIN); /* in case linked to another file */ (void)signal(SIGINT, finish); (void)signal(SIGHUP, finish); (void)signal(SIGQUIT, finish); (void)signal(SIGTERM, finish); if ((logfd = open(_PATH_NOLOGIN, O_WRONLY|O_CREAT|O_TRUNC, 0664)) >= 0) { (void)write(logfd, NOMSG, sizeof(NOMSG) - 1); ct = ctime(&shuttime); (void)write(logfd, ct + 11, 5); (void)write(logfd, "\n\n", 2); (void)write(logfd, mbuf, strlen(mbuf)); (void)close(logfd); } } static void finish(int signo __unused) { if (!killflg) (void)unlink(_PATH_NOLOGIN); exit(0); } static void badtime(void) { errx(1, "bad time format"); } static void usage(const char *cp) { if (cp != NULL) warnx("%s", cp); (void)fprintf(stderr, - "usage: shutdown [-] [-h | -p | -r | -k] [-o [-n]] time [warning-message ...]\n" + "usage: shutdown [-] [-c | -h | -p | -r | -k] [-o [-n]] time [warning-message ...]\n" " poweroff\n"); exit(1); }