2c2d3b0330
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
319 lines
7.6 KiB
Bash
319 lines
7.6 KiB
Bash
#!/bin/sh
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# $Id: rc,v 1.138 1997/09/21 16:09:47 joerg Exp $
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# From: @(#)rc 5.27 (Berkeley) 6/5/91
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# System startup script run by init on autoboot
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# or after single-user.
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# Output and error are redirected to console by init,
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# and the console is the controlling terminal.
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# Note that almost all the user-configurable behavior is no longer in
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# this file, but rather in /etc/rc.conf. Please check this file
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# first before contemplating any changes here.
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stty status '^T'
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# Set shell to ignore SIGINT (2), but not children;
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# shell catches SIGQUIT (3) and returns to single user after fsck.
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trap : 2
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trap : 3 # shouldn't be needed
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HOME=/; export HOME
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PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
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export PATH
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# Configure ccd devices.
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if [ -f /etc/ccd.conf ]; then
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ccdconfig -C
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fi
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swapon -a
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if [ $1x = autobootx ]; then
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echo Automatic reboot in progress...
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fsck -p
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case $? in
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0)
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;;
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2)
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exit 1
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;;
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4)
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reboot
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echo "reboot failed... help!"
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exit 1
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;;
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8)
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echo "Automatic file system check failed... help!"
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exit 1
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;;
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12)
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echo "Reboot interrupted"
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exit 1
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;;
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130)
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# interrupt before catcher installed
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exit 1
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;;
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*)
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echo "Unknown error in reboot"
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exit 1
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;;
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esac
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else
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echo Skipping disk checks ...
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fi
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trap "echo 'Reboot interrupted'; exit 1" 3
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# root must be read/write both for NFS diskless and for VFS LKMs before
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# proceeding any further.
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mount -u -o rw /
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if [ $? != 0 ]; then
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echo "Filesystem mount failed, startup aborted"
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exit 1
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fi
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umount -a >/dev/null 2>&1
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mount -a -t nonfs
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if [ $? != 0 ]; then
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echo "Filesystem mount failed, startup aborted"
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exit 1
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fi
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# If there is a global system configuration file, suck it in.
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if [ -f /etc/rc.conf ]; then
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. /etc/rc.conf
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fi
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# If old file exists, whine until they fix it.
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if [ -f /etc/sysconfig ]; then
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echo "Warning: /etc/sysconfig has been replaced by /etc/rc.conf."
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echo "You should switch to /etc/rc.conf ASAP to eliminate this warning."
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fi
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adjkerntz -i
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rm -f /var/run/*
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# Keep a copy of the boot messages around
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dmesg > /var/run/dmesg.boot
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# Add additional swapfile, if configured.
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if [ "x$swapfile" != "xNO" -a -w "$swapfile" -a -b /dev/vn0b ]; then
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echo "Adding $swapfile as additional swap."
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vnconfig /dev/vn0b $swapfile && swapon /dev/vn0b
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fi
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# configure serial devices
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if [ -f /etc/rc.serial ]; then
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. /etc/rc.serial
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fi
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# start up PC-card configuration
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if [ -f /etc/rc.pccard ]; then
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. /etc/rc.pccard
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fi
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# start up the initial network configuration.
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if [ -f /etc/rc.network ]; then
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. /etc/rc.network # We only need to do this once.
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network_pass1
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fi
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mount -a -t nfs
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# Whack the pty perms back into shape.
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chmod 666 /dev/tty[pqrsPQRS]*
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# clean up left-over files
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rm -f /etc/nologin
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rm -f /var/spool/lock/*
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rm -rf /var/spool/uucp/.Temp/*
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(cd /var/run && { cp /dev/null utmp; chmod 644 utmp; })
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#
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# Clearing /tmp at boot-time seems to have a long tradition. It doesn't
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# help in any way for long-living systems, and it might accidentally
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# clobber files you would rather like to have preserved after a crash
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# (if not using mfs /tmp anyway).
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#
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# See also the example of another cleanup policy in /etc/periodic/daily.
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#
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if [ "X${clear_tmp_enable}" = X"YES" ]; then
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echo clearing /tmp
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# prune quickly with one rm, then use find to clean up /tmp/[lq]*
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# (not needed with mfs /tmp, but doesn't hurt there...)
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(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
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find -d . ! -name . ! -name lost+found ! -name quotas -exec rm -rf -- {} \;)
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# Also remove X lock files since it will prevent you from
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# restarting X11 after a system crash.
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rm -f /tmp/.X*-lock /tmp/.X11-unix/*
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fi
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# enable dumpdev so that savecore can see it
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# /var/crash should be a directory or a symbolic link
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# to the crash directory if core dumps are to be saved.
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if [ "X${dumpdev}" != X"NO" -a -e ${dumpdev} -a -d /var/crash ]; then
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dumpon ${dumpdev}
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echo -n checking for core dump...
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savecore /var/crash
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fi
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# snapshot any kernel -c changes back to disk
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echo 'recording kernel -c changes'
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dset -q
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echo -n 'additional daemons:'
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# start system logging and name service (named needs to start before syslogd
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# if you don't have a /etc/resolv.conf)
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#
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if [ "X${syslogd_enable}" = X"YES" ]; then
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# Transitional symlink (for the next couple of years :) until all
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# binaries had a chance to move towards /var/run/log.
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if [ ! -h /dev/log ] ; then
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# might complain for r/o root f/s
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ln -sf /var/run/log /dev/log
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fi
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rm -f /var/run/log
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echo -n ' syslogd'; syslogd ${syslogd_flags}
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fi
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if [ "X${tickadj_enable}" = X"YES" ]; then
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echo -n ' tickadj'; tickadj ${tickadj_flags--Aq}
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fi
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echo '.'
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if [ -n "$network_pass1_done" ]; then
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network_pass2
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fi
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# Check the quotas (must be after ypbind if using NIS)
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if [ "X${check_quotas}" = X"YES" ]; then
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echo -n 'checking quotas:'
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quotacheck -a
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echo ' done.'
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quotaon -a
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fi
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if [ -n "$network_pass2_done" ]; then
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network_pass3
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fi
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# build ps databases
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kvm_mkdb
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dev_mkdb
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# check the password temp/lock file
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if [ -f /etc/ptmp ]
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then
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logger -s -p auth.err \
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"password file may be incorrect -- /etc/ptmp exists"
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fi
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if [ "X${accounting_enable}" = X"YES" -a -d /var/account ]; then
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echo 'turning on accounting'
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if [ ! -e /var/account/acct ]; then
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touch /var/account/acct
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fi
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accton /var/account/acct
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fi
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# Make shared lib searching a little faster. Leave /usr/lib first if you
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# add your own entries or you may come to grief.
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_LDC=/usr/lib
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if [ -d /usr/lib/compat ]; then _LDC="${_LDC} /usr/lib/compat" ; fi
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if [ -d /usr/X11R6/lib ]; then _LDC="${_LDC} /usr/X11R6/lib" ; fi
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if [ -d /usr/local/lib ]; then _LDC="${_LDC} /usr/local/lib" ; fi
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echo 'setting ldconfig path:' ${_LDC}
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ldconfig ${_LDC}
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# Now start up miscellaneous daemons that don't belong anywhere else
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#
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echo -n starting standard daemons:
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if [ "X${inetd_enable}" != X"NO" ]; then
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echo -n ' inetd'; inetd ${inetd_flags}
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fi
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if [ "X${cron_enable}" != X"NO" ]; then
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echo -n ' cron'; cron
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fi
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if [ "X${lpd_enable}" = X"YES" ]; then
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echo -n ' printer'; lpd ${lpd_flags}
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fi
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if [ "X${sendmail_enable}" = X"YES" -a -r /etc/sendmail.cf ]; then
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echo -n ' sendmail'; /usr/sbin/sendmail ${sendmail_flags}
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fi
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echo '.'
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# configure implementation specific stuff
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arch=`uname -m`
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if [ -f /etc/rc.${arch} ]; then
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. /etc/rc.${arch}
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fi
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# Recover vi editor files.
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vibackup=`echo /var/tmp/vi.recover/vi.*`
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if [ "$vibackup" != '/var/tmp/vi.recover/vi.*' ]; then
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echo 'Recovering vi editor sessions'
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for i in $vibackup; do
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# Only test files that are readable.
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if test ! -r $i; then
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continue
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fi
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# Unmodified nvi editor backup files either have the
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# execute bit set or are zero length. Delete them.
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if test -x $i -o ! -s $i; then
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rm -f $i
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fi
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done
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# It is possible to get incomplete recovery files, if the editor
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# crashes at the right time.
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virecovery=`echo /var/tmp/vi.recover/recover.*`
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if [ "$virecovery" != "/var/tmp/vi.recover/recover.*" ]; then
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for i in $virecovery; do
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# Only test files that are readable.
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if test ! -r $i; then
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continue
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fi
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# Delete any recovery files that are zero length,
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# corrupted, or that have no corresponding backup file.
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# Else send mail to the user.
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recfile=`awk '/^X-vi-recover-path:/{print $2}' < $i`
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if test -n "$recfile" -a -s "$recfile"; then
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sendmail -t < $i
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else
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rm -f $i
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fi
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done
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fi
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fi
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# for each valid dir in $local_startup, search for init scripts matching *.sh
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if [ "X${local_startup}" != X"NO" ]; then
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echo -n 'Local package initialization:'
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for dir in ${local_startup}; do
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[ -d ${dir} ] && for script in ${dir}/*.sh; do
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[ -x ${script} ] && ${script} start
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done
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done
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echo .
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fi
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# Do traditional (but rather obsolete) rc.local file if it exists.
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[ -f /etc/rc.local ] && sh /etc/rc.local
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date
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exit 0
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