freebsd-dev/etc/rc
steve 65aef7d1a9 Resurrect a modified version of the /tmp clearing code from rev 1.119.
Enable this by setting clear_tmp_enable in rc.conf to YES.  Beware
there can be serious side-effects of enabling this, so use at you own
risk.

PR:		misc/4982, misc/5054
1997-11-16 12:52:17 +00:00

319 lines
7.6 KiB
Bash

#!/bin/sh
# $Id: rc,v 1.138 1997/09/21 16:09:47 joerg Exp $
# From: @(#)rc 5.27 (Berkeley) 6/5/91
# System startup script run by init on autoboot
# or after single-user.
# Output and error are redirected to console by init,
# and the console is the controlling terminal.
# Note that almost all the user-configurable behavior is no longer in
# this file, but rather in /etc/rc.conf. Please check this file
# first before contemplating any changes here.
stty status '^T'
# Set shell to ignore SIGINT (2), but not children;
# shell catches SIGQUIT (3) and returns to single user after fsck.
trap : 2
trap : 3 # shouldn't be needed
HOME=/; export HOME
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
export PATH
# Configure ccd devices.
if [ -f /etc/ccd.conf ]; then
ccdconfig -C
fi
swapon -a
if [ $1x = autobootx ]; then
echo Automatic reboot in progress...
fsck -p
case $? in
0)
;;
2)
exit 1
;;
4)
reboot
echo "reboot failed... help!"
exit 1
;;
8)
echo "Automatic file system check failed... help!"
exit 1
;;
12)
echo "Reboot interrupted"
exit 1
;;
130)
# interrupt before catcher installed
exit 1
;;
*)
echo "Unknown error in reboot"
exit 1
;;
esac
else
echo Skipping disk checks ...
fi
trap "echo 'Reboot interrupted'; exit 1" 3
# root must be read/write both for NFS diskless and for VFS LKMs before
# proceeding any further.
mount -u -o rw /
if [ $? != 0 ]; then
echo "Filesystem mount failed, startup aborted"
exit 1
fi
umount -a >/dev/null 2>&1
mount -a -t nonfs
if [ $? != 0 ]; then
echo "Filesystem mount failed, startup aborted"
exit 1
fi
# If there is a global system configuration file, suck it in.
if [ -f /etc/rc.conf ]; then
. /etc/rc.conf
fi
# If old file exists, whine until they fix it.
if [ -f /etc/sysconfig ]; then
echo "Warning: /etc/sysconfig has been replaced by /etc/rc.conf."
echo "You should switch to /etc/rc.conf ASAP to eliminate this warning."
fi
adjkerntz -i
rm -f /var/run/*
# Keep a copy of the boot messages around
dmesg > /var/run/dmesg.boot
# Add additional swapfile, if configured.
if [ "x$swapfile" != "xNO" -a -w "$swapfile" -a -b /dev/vn0b ]; then
echo "Adding $swapfile as additional swap."
vnconfig /dev/vn0b $swapfile && swapon /dev/vn0b
fi
# configure serial devices
if [ -f /etc/rc.serial ]; then
. /etc/rc.serial
fi
# start up PC-card configuration
if [ -f /etc/rc.pccard ]; then
. /etc/rc.pccard
fi
# start up the initial network configuration.
if [ -f /etc/rc.network ]; then
. /etc/rc.network # We only need to do this once.
network_pass1
fi
mount -a -t nfs
# Whack the pty perms back into shape.
chmod 666 /dev/tty[pqrsPQRS]*
# clean up left-over files
rm -f /etc/nologin
rm -f /var/spool/lock/*
rm -rf /var/spool/uucp/.Temp/*
(cd /var/run && { cp /dev/null utmp; chmod 644 utmp; })
#
# Clearing /tmp at boot-time seems to have a long tradition. It doesn't
# help in any way for long-living systems, and it might accidentally
# clobber files you would rather like to have preserved after a crash
# (if not using mfs /tmp anyway).
#
# See also the example of another cleanup policy in /etc/periodic/daily.
#
if [ "X${clear_tmp_enable}" = X"YES" ]; then
echo clearing /tmp
# prune quickly with one rm, then use find to clean up /tmp/[lq]*
# (not needed with mfs /tmp, but doesn't hurt there...)
(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
find -d . ! -name . ! -name lost+found ! -name quotas -exec rm -rf -- {} \;)
# Also remove X lock files since it will prevent you from
# restarting X11 after a system crash.
rm -f /tmp/.X*-lock /tmp/.X11-unix/*
fi
# enable dumpdev so that savecore can see it
# /var/crash should be a directory or a symbolic link
# to the crash directory if core dumps are to be saved.
if [ "X${dumpdev}" != X"NO" -a -e ${dumpdev} -a -d /var/crash ]; then
dumpon ${dumpdev}
echo -n checking for core dump...
savecore /var/crash
fi
# snapshot any kernel -c changes back to disk
echo 'recording kernel -c changes'
dset -q
echo -n 'additional daemons:'
# start system logging and name service (named needs to start before syslogd
# if you don't have a /etc/resolv.conf)
#
if [ "X${syslogd_enable}" = X"YES" ]; then
# Transitional symlink (for the next couple of years :) until all
# binaries had a chance to move towards /var/run/log.
if [ ! -h /dev/log ] ; then
# might complain for r/o root f/s
ln -sf /var/run/log /dev/log
fi
rm -f /var/run/log
echo -n ' syslogd'; syslogd ${syslogd_flags}
fi
if [ "X${tickadj_enable}" = X"YES" ]; then
echo -n ' tickadj'; tickadj ${tickadj_flags--Aq}
fi
echo '.'
if [ -n "$network_pass1_done" ]; then
network_pass2
fi
# Check the quotas (must be after ypbind if using NIS)
if [ "X${check_quotas}" = X"YES" ]; then
echo -n 'checking quotas:'
quotacheck -a
echo ' done.'
quotaon -a
fi
if [ -n "$network_pass2_done" ]; then
network_pass3
fi
# build ps databases
kvm_mkdb
dev_mkdb
# check the password temp/lock file
if [ -f /etc/ptmp ]
then
logger -s -p auth.err \
"password file may be incorrect -- /etc/ptmp exists"
fi
if [ "X${accounting_enable}" = X"YES" -a -d /var/account ]; then
echo 'turning on accounting'
if [ ! -e /var/account/acct ]; then
touch /var/account/acct
fi
accton /var/account/acct
fi
# Make shared lib searching a little faster. Leave /usr/lib first if you
# add your own entries or you may come to grief.
_LDC=/usr/lib
if [ -d /usr/lib/compat ]; then _LDC="${_LDC} /usr/lib/compat" ; fi
if [ -d /usr/X11R6/lib ]; then _LDC="${_LDC} /usr/X11R6/lib" ; fi
if [ -d /usr/local/lib ]; then _LDC="${_LDC} /usr/local/lib" ; fi
echo 'setting ldconfig path:' ${_LDC}
ldconfig ${_LDC}
# Now start up miscellaneous daemons that don't belong anywhere else
#
echo -n starting standard daemons:
if [ "X${inetd_enable}" != X"NO" ]; then
echo -n ' inetd'; inetd ${inetd_flags}
fi
if [ "X${cron_enable}" != X"NO" ]; then
echo -n ' cron'; cron
fi
if [ "X${lpd_enable}" = X"YES" ]; then
echo -n ' printer'; lpd ${lpd_flags}
fi
if [ "X${sendmail_enable}" = X"YES" -a -r /etc/sendmail.cf ]; then
echo -n ' sendmail'; /usr/sbin/sendmail ${sendmail_flags}
fi
echo '.'
# configure implementation specific stuff
arch=`uname -m`
if [ -f /etc/rc.${arch} ]; then
. /etc/rc.${arch}
fi
# Recover vi editor files.
vibackup=`echo /var/tmp/vi.recover/vi.*`
if [ "$vibackup" != '/var/tmp/vi.recover/vi.*' ]; then
echo 'Recovering vi editor sessions'
for i in $vibackup; do
# Only test files that are readable.
if test ! -r $i; then
continue
fi
# Unmodified nvi editor backup files either have the
# execute bit set or are zero length. Delete them.
if test -x $i -o ! -s $i; then
rm -f $i
fi
done
# It is possible to get incomplete recovery files, if the editor
# crashes at the right time.
virecovery=`echo /var/tmp/vi.recover/recover.*`
if [ "$virecovery" != "/var/tmp/vi.recover/recover.*" ]; then
for i in $virecovery; do
# Only test files that are readable.
if test ! -r $i; then
continue
fi
# Delete any recovery files that are zero length,
# corrupted, or that have no corresponding backup file.
# Else send mail to the user.
recfile=`awk '/^X-vi-recover-path:/{print $2}' < $i`
if test -n "$recfile" -a -s "$recfile"; then
sendmail -t < $i
else
rm -f $i
fi
done
fi
fi
# for each valid dir in $local_startup, search for init scripts matching *.sh
if [ "X${local_startup}" != X"NO" ]; then
echo -n 'Local package initialization:'
for dir in ${local_startup}; do
[ -d ${dir} ] && for script in ${dir}/*.sh; do
[ -x ${script} ] && ${script} start
done
done
echo .
fi
# Do traditional (but rather obsolete) rc.local file if it exists.
[ -f /etc/rc.local ] && sh /etc/rc.local
date
exit 0