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Text File | 1991-05-01 | 16.7 KB | 672 lines

#! /bin/sh # This is a shell archive. Remove anything before this line, then unpack # it by saving it into a file and typing "sh file". To overwrite existing # files, type "sh file -c". You can also feed this as standard input via # unshar, or by typing "sh <file", e.g.. If this archive is complete, you # will see the following message at the end: # "End of archive 1 (of 1)." # Contents: MANIFEST Makefile README common.h funcs.c main.c ups # Wrapped by root@pilikia on Sat Apr 6 21:22:27 1991 PATH=/bin:/usr/bin:/usr/ucb ; export PATH if test -f 'MANIFEST' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'MANIFEST'\" else echo shar: Extracting \"'MANIFEST'\" $422 characters$ sed "s/^X//" >'MANIFEST' <<'END_OF_FILE' X File Name Archive # Description X----------------------------------------------------------- X MANIFEST 1 This shipping list X Makefile 1 Upsd makefile X README 1 Documentation X common.h 1 Common program header X funcs.c 1 Functions X main.c 1 Main program X ups 1 Init.d startup script END_OF_FILE if test 422 -ne `wc -c <'MANIFEST'`; then echo shar: \"'MANIFEST'\" unpacked with wrong size! fi # end of 'MANIFEST' fi if test -f 'Makefile' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'Makefile'\" else echo shar: Extracting \"'Makefile'\" $942 characters$ sed "s/^X//" >'Makefile' <<'END_OF_FILE' X## X# M a k e f i l e X# X# makefile for UPS monitor daemon X# X# Arthur W. Neilson III X# art@pilikia.pegasus.com X# Sat Mar 30 1991 X# X XCC = cc XDEFS = XCFLAGS = -O $(DEFS) XCFILES = main.c funcs.c XOFILES = main.o funcs.o XHFILES = common.h XLIBES = XDESTDIR = /etc XINITDIR = /etc/init.d XRC2DIR = /etc/rc2.d XRC2NUM = 22 X Xupsd: $(OFILES) X $(CC) $(CFLAGS) $(OFILES) -o $@ $(LIBES) X @strip $@ X @mcs -d $@ X Xinstall: upsd X cp upsd $(DESTDIR)/upsd X chown root $(DESTDIR)/upsd X chgrp sys $(DESTDIR)/upsd X chmod 550 $(DESTDIR)/upsd X Xinstall_rc: install X cp ups $(INITDIR)/ups X chown root $(INITDIR)/ups X chgrp sys $(INITDIR)/ups X chmod 744 $(INITDIR)/ups X ln $(INITDIR)/ups $(RC2DIR)/S$(RC2NUM)ups X Xindent: X @for f in $(CFILES); do \ X indent $$f; \ X done X Xkit: X makekit -m X Xclean: X rm -f upsd core *.o *.BAK Part* X Xclobber: clean X rm -f $(DESTDIR)/upsd $(INITDIR)/ups $(RC2DIR)/S$(RC2NUM)ups X X# dependencies Xmain.o: main.c $(HFILES) Xfuncs.o: funcs.c $(HFILES) END_OF_FILE if test 942 -ne `wc -c <'Makefile'`; then echo shar: \"'Makefile'\" unpacked with wrong size! fi # end of 'Makefile' fi if test -f 'README' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'README'\" else echo shar: Extracting \"'README'\" $3910 characters$ sed "s/^X//" >'README' <<'END_OF_FILE' X Tue Apr 02 23:24:20 HST 1991 art@pilikia.pegasus.com Pg. 1 X X X INTRODUCTION X X The UPS monitor daemon or "upsd" watches the serial port X connected to an UPS and will perform an unattended shutdown X of the system if the UPS is on battery longer than a specified X number of minutes. Upsd needs to watch a tty with modem control X properties, and expects the UPS to raise DCD when it switches X to battery backup and drop DCD when it goes back to online. X Upsd was developed and tested under ISC with the FAS 2.08 driver X and an American Power Conversion SmartUPS 600, your milage may X vary on other OSes and UPSes. X X The C source was written for system V and hence will require X some work to get it working under BSD or other UNIXes, the X program is built via the Makefile. A number of configurable X defaults are in common.h, you may want to hack that file before X making upsd. Although the program can be run manually from the X command line, users will most likely want the program to start X automatically from their /etc/rc script (SYS5R2) or a script X in /etc/rc2.d (SYS5R3). The Makefile by default installs upsd X in the /etc directory when the install target is made. X X X Tue Apr 02 23:24:20 HST 1991 art@pilikia.pegasus.com Pg. 2 X X X COMMAND LINE OPTIONS X X Upsd runtime behavior can be configured either on the command X line or via environment variables. The command line options X take precedence to the environment variable settings, and are X as follows: X X usage: upsd [-d tty][-c cmd][-l log][-t min] X -d tty pathname of UPS device X -c cmd pathname of shutdown command X -l log pathname of UPS log file X -t min delay time in minutes X X The -d tty option must specify the full pathname (including the X /dev/ prefix) to the tty device the UPS is on. X X Example: X X upsd -d /dev/ttyFM00 X X The -c cmd option specifies the full pathname of the command X to be executed to shut down the system. This command must X be enclosed in quotes if it consists of 2 or more words. X X Example: X X upsd -d /dev/ttyFM00 -c "/etc/shutdown -y -g1 -i0" X X The -l option specified the logfile upsd will write it's event X messages to, these messages give the date and time that the UPS X daemon started, switched to battery, switched back to online, X executed the shutdown command, or was terminated via SIGTERM. X X Example: X X upsd -d /dev/ttyFM00 -c "/etc/shutdown -y -g1 -i0" -l /etc/upslog X X Finally, the -t option specifies the number of minutes to allow X the UPS to be on battery backup before executing the shutdown X sequence. This number must be between 1 and 30. Be careful not X to choose a value greater than the number of minutes of battery X time your UPS supports with your current load. A value in the X 5 to 10 minute range is probably sufficient. X X Example: X X upsd -d /dev/ttyFM00 -c "/etc/shutdown -y -g1 -i0" -l /etc/upslog -t 10 X X Tue Apr 02 23:24:20 HST 1991 art@pilikia.pegasus.com Pg. 3 X X X ENVIRONMENT VARIABLES X X The following environment variables can be set if that interface X is preferred to the command line options. Note again that command X line options override the environment variable settings. X X X Environment Equivalent Default X Variable Command line option Value X UPSPORT -p /dev/ttyFM00 X UPSSHUT -c "/etc/shutdown -y -g1 -i0" X UPSLOG -l /etc/upslog X UPSTIME -t 10 X X Note that the compiled in default values can be altered in common.h X and the program can be recompiled. If no command line options or X environment variables exist, the defaults will be used. The table X above gives the environment variables looked for by the program and X their command line option counterparts. All the rules applying to X the command line options apply to the environment variables as well. X X If you have any comments or suggestions regarding my program, X send email to the following address: X X Arthur W. Neilson III X INET: art@pilikia.pegasus.com X UUCP: uunet!ucsd!nosc!pilikia!art X END_OF_FILE if test 3910 -ne `wc -c <'README'`; then echo shar: \"'README'\" unpacked with wrong size! fi # end of 'README' fi if test -f 'common.h' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'common.h'\" else echo shar: Extracting \"'common.h'\" $1885 characters$ sed "s/^X//" >'common.h' <<'END_OF_FILE' X/* X** c o m m o n . h X** X** common header file for UPS monitor daemon X** X** Arthur W. Neilson III X** art@pilikia.pegasus.com X** Sat Mar 30 1991 X*/ X X#include <stdio.h> X#include <string.h> X#include <fcntl.h> X#include <time.h> X#include <sys/types.h> X#include <sys/termio.h> X#include <sys/signal.h> X#include <sys/stat.h> X X#define ERR -1 /* error return value */ X#define SH "/bin/sh" /* shell to exec shutdown command */ X#define ROOT "/" /* root directory for chdir */ X#define CONSOLE "/dev/console" /* console device */ X#define SECS_PER_MIN 60 /* number of secs in a minute */ X#define MAX_TIME 30 /* maximum delay time allowed */ X#define SHUT_PERMS 0500 /* shutdown command permissions mask */ X#define LOG_PERMS 0600 /* logfile permissions on create */ X#define LOG_FLAGS O_WRONLY | O_CREAT | O_APPEND /* logfile open flags */ X X/* default tuneable parameter values */ X#define UPS_PORT "/dev/ttyFM00" /* UPS port device name */ X#define UPS_SHUT "/etc/shutdown -y -g0" /* shutdown command */ X#define UPS_LOG "/etc/upslog" /* UPS log file pathname */ X#define UPS_TIME 10 /* default delay time (minutes) */ X X/* environment variable names */ X#define UPSPORT "UPSPORT" X#define UPSSHUT "UPSSHUT" X#define UPSLOG "UPSLOG" X#define UPSTIME "UPSTIME" X X/* UPS log messages */ X#define START_MSG "UPS daemon started" X#define OPEN_MSG "Error opening UPS port" X#define BATTERY_MSG "UPS switch to battery backup" X#define ONLINE_MSG "UPS switch to online power" X#define SHUTDOWN_MSG "Shutdown command executed" X#define TERM_MSG "Caught termination signal" X X/* common globals */ Xextern char *ups_port; /* UPS device name */ Xextern char *ups_shut; /* system shutdown command */ Xextern char *ups_log; /* UPS log file name */ Xextern int ups_time; /* delay time before shutdown */ Xextern int ups_fd; /* UPS port descriptor */ Xextern int log_fd; /* log file descriptor */ END_OF_FILE if test 1885 -ne `wc -c <'common.h'`; then echo shar: \"'common.h'\" unpacked with wrong size! fi # end of 'common.h' fi if test -f 'funcs.c' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'funcs.c'\" else echo shar: Extracting \"'funcs.c'\" $4629 characters$ sed "s/^X//" >'funcs.c' <<'END_OF_FILE' X/* X** f u n c s . c X** X** functions for UPS monitor daemon X** X** Arthur W. Neilson III X** art@pilikia.pegasus.com X** Sat Mar 30 1991 X*/ X X#include "common.h" X X/* X** g e t v a r s X** X** retrieve environment variables X*/ Xvoid Xgetvars() X{ X char *s, *getenv(); X X if ((s = getenv(UPSPORT)) != NULL) X ups_port = s; X if ((s = getenv(UPSSHUT)) != NULL) X ups_shut = s; X if ((s = getenv(UPSLOG)) != NULL) X ups_log = s; X if ((s = getenv(UPSTIME)) != NULL) X ups_time = atoi(s) * SECS_PER_MIN; X} X X/* X** g e t o p t i o n s X** X** retrieve and process command line options X*/ Xvoid Xgetoptions(ac, av) Xint ac; Xchar *av[]; X{ X int c; X X void usage(); X X extern char *optarg; X extern int optind, opterr; X X /* parse the command line */ X while ((c = getopt(ac, av, "d:c:l:t:")) != EOF) X switch (c) { X case 'd': /* device option */ X ups_port = optarg; X break; X case 'c': /* command option */ X ups_shut = optarg; X break; X case 'l': /* logfile option */ X ups_log = optarg; X break; X case 't': /* time option */ X ups_time = atoi(optarg) * SECS_PER_MIN; X break; X case '\?': /* illegal option */ X usage(av[0]); X exit(1); X } X} X X/* X** c h k o p t i o n s X** X** check runtime options X*/ Xvoid Xchkoptions() X{ X struct stat st; X char *p, buf[64]; X X /* UPS port must exist */ X if (stat(ups_port, &st) == ERR) { X perror(ups_port); X exit(1); X } X /* and must be character special */ X if ((st.st_mode & S_IFMT) != S_IFCHR) { X fprintf(stderr, "%s not character special\n", ups_port); X exit(1); X } X /* get command name out of shutdown command */ X strcpy(buf, ups_shut); X if ((p = strtok(buf, " ")) == NULL) X p = buf; X X /* shutdown command must exist */ X if (stat(p, &st) == ERR) { X perror(ups_shut); X exit(1); X } X /* and must be readable/executable by owner */ X if (!(st.st_mode & SHUT_PERMS)) { X fprintf(stderr, "%s must be readable/executable by owner\n", ups_port); X exit(1); X } X /* delay time must be > 0 and <= MAX_TIME */ X if (ups_time < 1 || ups_time > MAX_TIME) { X fprintf(stderr, "time must be between 1 and %d\n", MAX_TIME); X exit(1); X } X} X X/* X** m k d a e m o n X** X** create daemon process X*/ Xvoid Xmkdaemon() X{ X char c; X X void sigcatch(); X void writelog(); X void shutdown(); X X if (!fork()) { X X /* close standard files */ X close(0); /* stdin */ X close(1); /* stdout */ X close(2); /* stderr */ X X setpgrp(); /* disassociate from terminal */ X X /* ignore interrupts */ X signal(SIGHUP, SIG_IGN); X signal(SIGINT, SIG_IGN); X signal(SIGQUIT, SIG_IGN); X X /* catch termination signal */ X signal(SIGTERM, sigcatch); X X /* and shutdown on alarm */ X signal(SIGALRM, shutdown); X X /* open log file for append */ X if ((log_fd = open(ups_log, LOG_FLAGS, LOG_PERMS)) == ERR) X exit(1); X X writelog(START_MSG); X X /* open blocks on UPS switch to battery */ X if ((ups_fd = open(ups_port, O_RDWR)) == ERR) { X writelog(OPEN_MSG); X exit(1); X } X writelog(BATTERY_MSG); X X alarm(ups_time);/* set the alarm clock */ X X /* read blocks on UPS switch to online */ X if (read(ups_fd, &c, 1) == ERR) X exit(1); X X writelog(ONLINE_MSG); X X close(log_fd); X close(ups_fd); X X mkdaemon(); X } X} X X/* X** s i g c a t c h X** X** catch termination signal X*/ Xvoid Xsigcatch() X{ X writelog(TERM_MSG); X close(log_fd); X close(ups_fd); X exit(1); X} X X/* X** w r i t e l o g X** X** write message to the UPS log file X*/ Xvoid Xwritelog(msg) Xchar *msg; X{ X time_t ticks; X char *p, *ct; X char msg_buf[80]; X X time(&ticks); X ct = ctime(&ticks); X X /* find newline in buffer */ X if ((p = strrchr(ct, '\n')) != NULL) X *p = NULL; /* and zap it */ X X sprintf(msg_buf, "%s -- %s\n", ct, msg); X write(log_fd, msg_buf, strlen(msg_buf)); X} X X/* X** s h u t d o w n X** X** shutdown the system X*/ Xvoid Xshutdown() X{ X void attach(); X X writelog(SHUTDOWN_MSG); X X close(log_fd); X close(ups_fd); X X attach(CONSOLE); X X chdir(ROOT); X X /* execute shutdown command */ X execlp(SH, SH, "-c", ups_shut, NULL); X} X X/* X** a t t a c h X** X** attach standard i/o to a device X*/ Xvoid Xattach(dev) Xchar *dev; X{ X int fd; X X /* close standard files */ X close(0); /* stdin */ X close(1); /* stdout */ X close(2); /* stderr */ X X /* attach stdin to named device */ X if ((fd = open(dev, O_RDWR)) == ERR) X exit(1); X dup(fd); /* and stdout */ X dup(fd); /* and stderr */ X} X X/* X** u s a g e X** X** display program usage X*/ Xvoid Xusage(s) Xchar *s; X{ X fprintf(stderr, "usage: %s [-d tty][-c cmd][-l log][-t min]\n", s); X fprintf(stderr, "\t-d tty\t\tpathname of UPS device\n"); X fprintf(stderr, "\t-c cmd\t\tpathname of shutdown command\n"); X fprintf(stderr, "\t-l log\t\tpathname of UPS log file\n"); X fprintf(stderr, "\t-t min\t\tdelay time in minutes\n"); X} END_OF_FILE if test 4629 -ne `wc -c <'funcs.c'`; then echo shar: \"'funcs.c'\" unpacked with wrong size! fi # end of 'funcs.c' fi if test -f 'main.c' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'main.c'\" else echo shar: Extracting \"'main.c'\" $692 characters$ sed "s/^X//" >'main.c' <<'END_OF_FILE' X/* X** m a i n . c X** X** main program for UPS monitor daemon X** X** Arthur W. Neilson III X** art@pilikia.pegasus.com X** Sat Mar 30 1991 X*/ X X#include "common.h" X X/* default tuneables */ Xchar *ups_port = UPS_PORT; Xchar *ups_shut = UPS_SHUT; Xchar *ups_log = UPS_LOG; Xint ups_time = UPS_TIME; X X/* global descriptors */ Xint ups_fd; Xint log_fd; X Xmain(argc, argv) Xint argc; Xchar *argv[]; X{ X void getvars(); X void getoptions(); X void chkoptions(); X void mkdaemon(); X X getvars(); /* retrieve environment vars */ X getoptions(argc, argv); /* process command line options */ X chkoptions(); /* validate command line options */ X mkdaemon(); /* fork daemon process */ X} END_OF_FILE if test 692 -ne `wc -c <'main.c'`; then echo shar: \"'main.c'\" unpacked with wrong size! fi # end of 'main.c' fi if test -f 'ups' -a "${1}" != "-c" ; then echo shar: Will not clobber existing file \"'ups'\" else echo shar: Extracting \"'ups'\" $296 characters$ sed "s/^X//" >'ups' <<'END_OF_FILE' X#ident "@(#)ups 1.0 - 91/03/30" X# UPS monitor daemon X X# configure UPS daemon runtime Xexport UPSPORT; UPSPORT=/dev/ttyFM00 Xexport UPSSHUT; UPSSHUT="/etc/shutdown -y -i0" Xexport UPSLOG; UPSLOG=/etc/upslog Xexport UPSTIME; UPSTIME=10 X Xset `who -r` Xif [ $9 = "S" -a -x /etc/upsd ] Xthen X /etc/upsd Xfi END_OF_FILE if test 296 -ne `wc -c <'ups'`; then echo shar: \"'ups'\" unpacked with wrong size! fi chmod +x 'ups' # end of 'ups' fi echo shar: End of archive 1 $of 1$. cp /dev/null ark1isdone MISSING="" for I in 1 ; do if test ! -f ark${I}isdone ; then MISSING="${MISSING} ${I}" fi done if test "${MISSING}" = "" ; then echo You have the archive. rm -f ark[1-9]isdone else echo You still need to unpack the following archives: echo " " ${MISSING} fi ## End of shell archive. exit 0 -----8<----- cut here -----8<----- cut here -----8<----- cut here -----8<----- -- Arthur W. Neilson III | INET: art@pilikia.pegasus.com Bank of Hawaii Tech Support | UUCP: uunet!ucsd!nosc!pilikia!art exit 0 # Just in case... -- Kent Landfield INTERNET: kent@sparky.IMD.Sterling.COM Sterling Software, IMD UUCP: uunet!sparky!kent Phone: (402) 291-8300 FAX: (402) 291-4362 Please send comp.sources.misc-related mail to kent@uunet.uu.net.