NetBSD/etc/rc

#	$NetBSD: rc,v 1.145 2000/01/31 12:47:29 jdc Exp $
#	originally from: @(#)rc	8.2 (Berkeley) 3/17/94

# 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.

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

export HOME=/
export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin

# Configure ccd devices.
if [ -f /etc/ccd.conf ]; then
	ccdconfig -C
fi

# Configure raid devices.
for dev in 0 1 2 3; do
	if [ -f /etc/raid$dev.conf ]; then
		raidctl -c /etc/raid$dev.conf raid$dev
	fi
done

# Add all block-type swap devices; these might be necessary
# during disk checks.
swapctl -A -t blk

if [ -e /fastboot ]; then
	echo "Fast boot: skipping disk checks."
elif [ "$1" = autoboot ]; then
	echo "Automatic boot in progress: starting file system checks."
	fsck -p
	case $? in
	0)
		;;
	2)
		exit 1
		;;
	4)
		echo "Rebooting..."
		reboot
		echo "Reboot failed; help!"
		exit 1
		;;
	8)
		echo "Automatic file system check failed; help!"
		exit 1
		;;
	12)
		echo "Boot interrupted."
		exit 1
		;;
	130)
		# interrupt before catcher installed
		exit 1
		;;
	*)
		echo "Unknown error; help!"
		exit 1
		;;
	esac
fi

trap "echo 'Boot interrupted.'; exit 1" 3

umount -a >/dev/null 2>&1
mount /
rm -f /fastboot		# XXX (root now writeable)

if [ -f /etc/rc.subr ]; then
	. /etc/rc.subr
else
	echo "Can't read /etc/rc.subr; aborting."
	exit 1;
fi

if [ -f /etc/rc.conf ]; then
	. /etc/rc.conf
fi

if ! checkyesno rc_configured; then
	echo "/etc/rc.conf is not configured. Multiuser boot aborted."
	exit 1
fi

# set flags on ttys.  (do early, in case they use tty for SLIP in netstart)
echo 'setting tty flags'
ttyflags -a

# load kernel modules specified in /etc/lkm.conf if the /usr filesystem
# is already present with "/" or can be mounted now
if checkyesno lkm && [ -f /etc/rc.lkm ]; then
	mount /usr >/dev/null 2>&1
	if [ -x /usr/bin/ld ]; then
		lkmstage=BEFORENET
		. /etc/rc.lkm
	fi
fi

mount_critical_filesystems local

if [ -e /etc/etc.current ] ; then
	if [ -h /etc/etc.default ] ; then
		def=`ls -ld /etc/etc.default 2>&1`
		default=`expr "$def" : '.*-> etc\.\(.*\)' 2>&1`
	else
		default=current
	fi
	spc=""
	conflist=`cd /etc; ls -1d etc.* 2>&1 | egrep -v 'current|default'`
	for i in $conflist; do
		name=`expr $i : 'etc\.\(.*\)' 2>&1`
		if [ $name = $default ] ; then
			echo -n "${spc}[${name}]"
		else
			echo -n "${spc}${name}"
		fi
		spc=" "
	done
	echo
	master=$$
	conf=/etc/passwd
	while [ ! -d /etc/etc.$conf ] ; do
		trap 'conf=$default; echo; echo Using default of $conf' 14
		echo -n "Which configuration [$default] ? "
		(sleep 30 && kill -ALRM $master) >/dev/null 2>&1 &
		read conf
		trap "" 14
		if [ -z $conf ] ; then
			conf=$default
		fi
		if [ ! -d /etc/etc.$conf -a ! -h /etc/etc.$conf ] ; then
			conf=/etc/passwd
		fi
	done
	rm -f /etc/etc.current
	ln -s /etc/etc.$conf /etc/etc.current
	if [ -f /etc/rc.conf ] ; then
		. /etc/rc.conf
	fi
fi

# set hostname, turn on network
echo 'starting network'
sh /etc/netstart
if [ $? -ne 0 ]; then
	exit 1
fi

mount_critical_filesystems network

# Network Address Translation...
if checkyesno ipnat && [ -f /etc/ipnat.conf ]; then
	echo 'installing NAT rules ... '
	if ! checkyesno ipfilter || [ ! -f /etc/ipf.conf ]; then
		ipf -E -Fa
	fi
	ipnat -F -f /etc/ipnat.conf
fi

# "Critical" file systems are now mounted.  Go ahead and swap
# to files now, since they will be residing in the critical file
# systems (or, at least, better).
swapctl -A -t noblk

# Check for no swap, and warn about it unless that is desired.
if ! checkyesno no_swap; then
	swapctl -s | grep 'no swap devices configured' > /dev/null && \
		echo "WARNING: no swap space configured!"
fi

# clean up left-over files
rm -f /etc/nologin
rm -f /var/spool/lock/LCK.*
rm -f /var/spool/uucp/STST/*
(cd /var/run && { rm -rf -- *; install -c -m 664 -g utmp /dev/null utmp; })

# build ps databases
echo 'building databases...'
# if this kernel supports machdep.booted_kernel, use that to build the KVM
# db so dmesg will run work when we boot /netbsd.new, etc.
sysctl machdep 2>/dev/null | grep -q booted_kernel
if [ $? -eq 0 ] ; then
	kvm_mkdb `sysctl -n machdep.booted_kernel`
	if [ $? -ne 0 ] ; then
		kvm_mkdb /netbsd
	fi
else
	kvm_mkdb /netbsd
fi
dev_mkdb

# get the system dmesg output, hopefully containing the boot messages
# $dmesg_flags is imported from /etc/rc.conf
if checkyesno dmesg; then
	dmesg $dmesg_flags > /var/run/dmesg.boot
fi

if checkyesno wscons && [ -f /etc/rc.wscons ]; then
	echo 'configuring wscons'
	/bin/sh /etc/rc.wscons $wscons_flags
fi

# start the system logger first, so that all messages from daemons
# are logged, then start savecore to get a dump on low memory systems
# and then start the name server.

if checkyesno syslogd; then
	echo 'starting system logger'
	# Transitional symlink for old binaries
	if [ ! -h /dev/log ] ; then
		ln -sf /var/run/log /dev/log
	fi
	rm -f /var/run/log
	syslogd $syslogd_flags
fi

# Enable ipmon (only useful if ipfilter is running)
# NOTE: requires the IPFILTER_LOG kernel option.
if checkyesno ipmon; then
	echo 'starting ipmon'
	ipmon $ipmon_flags &
fi

# /var/crash should be a directory or a symbolic link
# to the crash directory if core dumps are to be saved.
if checkyesno savecore; then
	if [ -d /var/crash/. ]; then
		echo checking for core dump...
		savecore $savecore_flags /var/crash
	else
		logger -s "WARNING: no /var/crash directory; savecore not run."
	fi
fi

if checkyesno named; then
	echo 'starting name server';	named $named_flags
fi

# set time, if requested
if checkyesno ntpdate; then
	if [ -z "$ntpdate_hosts" ]; then
		ntpdate_hosts=`awk '
		    /^server[ \t]*127.127/	{next}
		    /^(server|peer)/		{print $2}
		' </etc/ntp.conf`
	fi
	if [ -n "$ntpdate_hosts"  ]; then
		echo 'Setting date via ntp.'
		ntpdate -b -s $ntpdate_hosts
	fi
fi

# now start the rpc servers, for YP server/client.
echo -n 'starting rpc daemons:'

# note that portmap is generally required for all other rpc services.
if checkyesno portmap; then
	echo -n ' portmap';		portmap $portmap_flags
fi

if checkyesno ypserv; then
	if ! checkyesno portmap; then
		echo
		logger -s "WARNING: set portmap=YES in /etc/rc.conf" \
		    "if ypserv=YES."
	fi

	echo -n ' ypserv';		ypserv $ypserv_flags
fi

if checkyesno ypbind; then
	echo -n ' ypbind';		ypbind $ypbind_flags
fi

if checkyesno yppasswdd; then
	if ! checkyesno ypserv; then
		echo
		logger -s "WARNING: set ypserv=YES in /etc/rc.conf" \
		    "if yppasswdd=YES."
	fi

	echo -n ' rpc.yppasswdd';       rpc.yppasswdd $yppasswdd_flags
fi

if checkyesno bootparamd; then
	if [ -r /etc/bootparams ]; then
		echo -n ' rpc.bootparamd'; rpc.bootparamd $bootparamd_flags
	else
		echo
		logger -s "WARNING: /etc/bootparams not found;" \
		    "bootparamd not started."
	fi
fi

echo '.'

# load kernel modules specified in /etc/lkm.conf
if checkyesno lkm; then
	if [ -r /etc/rc.lkm ]; then
		lkmstage=BEFOREMOUNT
		. /etc/rc.lkm
	else
		logger -s "WARNING: /etc/rc.lkm not found; LKMs not loaded."
	fi
fi

mount -a

# now start the rpc servers, for NFS server/client.
if checkyesno nfs_server || checkyesno nfs_client || checkyesno amd; then
	echo -n 'starting nfs daemons:'

	if (checkyesno nfs_server || checkyesno amd) && \
	   ! checkyesno portmap; then
		echo
		logger -s "WARNING: set portmap=YES in /etc/rc.conf" \
		    "if nfs_server=YES or amd=YES."
	fi

	nfs_locking=NO

	if checkyesno nfs_server; then
		if [ -r /etc/exports ]; then
			rm -f /var/db/mountdtab
			echo -n > /var/db/mountdtab
			echo -n ' mountd';		mountd $mountd_flags
			echo -n ' nfsd';		nfsd $nfsd_flags
			nfs_locking=YES
		else
			echo
			logger -s "WARNING: /etc/exports not readable;" \
			    "NFS server not started."
		fi
	fi

	if checkyesno nfs_client; then
		echo -n ' nfsiod';		nfsiod $nfsiod_flags
		nfs_locking=YES
	fi

	if checkyesno nfs_locking; then
		if checkyesno statd; then
			echo -n ' rpc.statd';		rpc.statd $statd_flags
		fi
		if checkyesno lockd; then
			echo -n ' rpc.lockd';		rpc.lockd $lockd_flags
		fi
	fi

	if checkyesno amd; then
		if [ -d "$amd_dir" ]; then
			if [ -r "$amd_master" ]; then
				echo -n ' amd'
				amd $amd_flags -p -a $amd_dir \
				`sed s/#.*$// <$amd_master`  >/var/run/amd.pid
			else
				echo
				logger -s "WARNING: \$amd_master" \
				    " ($amd_master) not readable;" \
				    "amd not started."
			fi
		else
			echo
			logger -s "WARNING: \$amd_dir ($amd_dir) not a" \
			    "directory; amd not started."
		fi
	fi
	echo '.'
fi


if [ -f /sbin/ldconfig ]; then
	echo 'creating runtime link editor directory cache.'
	ldconfig
fi 

# load kernel modules specified in /etc/lkm.conf
if checkyesno lkm && [ -f /etc/rc.lkm ]; then
	lkmstage=AFTERMOUNT
	. /etc/rc.lkm
fi

# if $defcorename is set, change it here.
if [ -n "$defcorename" ]; then
	echo -n 'setting default core name template: '
	sysctl -w kern.defcorename=$defcorename
fi

# if $securelevel is set, change it here, else if it is 0, change
# it to 1 here, before we start login services.
if [ -n "$securelevel" ]; then
	echo -n 'setting securelevel: '
	sysctl -w kern.securelevel=$securelevel
else
	securelevel=`sysctl -n kern.securelevel`
	if [ x"$securelevel" = x0 ]; then
		echo -n 'setting securelevel: '
		sysctl -w kern.securelevel=1
	fi
fi

echo -n 'checking quotas:'; quotacheck -a; echo ' done.'
quotaon -a

chmod 666 /dev/tty[pqrs]*

# 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

# XXX replace me with a script that works!
virecovery=`echo /var/tmp/vi.recover/recover.*`
if [ "$virecovery" != "/var/tmp/vi.recover/recover.*" ]; then
	echo preserving editor files
	for i in $virecovery; do
		if [ -f $i ]; then
			sendmail -t < $i
		fi
	done
fi

echo clearing /tmp

# Prune quickly with one rm, then use find to clean up /tmp/[lq]* (this
# is not needed with mfs /tmp, but doesn't hurt anything).
(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
    find . ! -name . ! -name lost+found ! -name quota.user \
	! -name quota.group -exec rm -rf -- {} \; -type d -prune)

# Update kernel info in /etc/motd
# Must be done *before* interactive logins are possible to prevent
# possible race conditions.
if checkyesno update_motd; then
	echo 'updating motd.'
	if [ ! -f /etc/motd ]; then
		install -c -o root -g wheel -m 664 /dev/null /etc/motd
	fi
	T=/etc/_motd
	rm -f $T
	sysctl -n kern.version | sed 1q > $T
	echo "" >> $T
	sed '1,/^$/d' < /etc/motd >> $T
	cmp -s $T /etc/motd || cp $T /etc/motd
	rm -f $T
fi

if checkyesno accounting; then
	if [ -f /var/account/acct ]; then
		echo 'turning on accounting'
		accton /var/account/acct
	else
		logger -s "WARNING: /var/account/acct doesn't exist;" \
		    "accounting not enabled."
	fi
fi

echo -n standard daemons:
if checkyesno cron; then
	echo -n ' cron';		cron
fi
echo '.'

# now start all the other daemons
echo -n starting network daemons:

if checkyesno gated && checkyesno routed; then
	echo
	logger -s "WARNING: gated and routed both requested to be run:" \
	    "running only gated."
	routed=NO
fi

if checkyesno gated; then
	if [ -r /etc/gated.conf ]; then
		echo -n ' gated';		gated $gated_flags
	else
		echo
		logger -s "WARNING: no /etc/gated.conf; gated not started."
	fi
fi

if checkyesno routed; then
	echo -n ' routed';		routed $routed_flags
fi

if checkyesno mrouted; then
	echo -n ' mrouted';		mrouted $mrouted_flags
fi

if checkyesno route6d; then
	echo -n ' route6d';		route6d $route6d_flags
fi

if checkyesno rtsold; then
	if checkyesno ip6forwarding; then
		echo
		logger -s "WARNING: rtsold cannot be used on IPv6 router."
	else
		echo -n ' rtsold';	rtsold $rtsold_flags
	fi
fi

if checkyesno rtadvd; then
	if checkyesno ip6forwarding; then
		echo -n ' rtadvd';	rtadvd $rtadvd_flags
	else
		echo
		logger -s "WARNING: rtadvd cannot be used on IPv6 host."
	fi
fi

if checkyesno timed; then
	echo -n ' timed'; 		timed $timed_flags
fi

if checkyesno xntpd; then
	echo -n ' xntpd';		xntpd $xntpd_flags
fi

if checkyesno dhcpd; then
	if [ -r /etc/dhcpd.conf ]; then
		echo -n ' dhcpd';		dhcpd $dhcpd_flags
	else
		echo
		logger -s "WARNING: /etc/dhcpd.conf not readable;" \
		    "dhcpd not started."
	fi
elif checkyesno dhcrelay; then
	echo -n ' dhcrelay';		dhcrelay $dhcrelay_flags
fi

if checkyesno rwhod; then
	echo -n ' rwhod';		rwhod
fi

if checkyesno lpd; then
	echo -n ' lpd';			lpd $lpd_flags
fi

# We call sendmail with a full path so that SIGHUP works.
if checkyesno sendmail; then
	if [ -r /etc/sendmail.cf ]; then
		echo -n ' sendmail';	/usr/sbin/sendmail $sendmail_flags
	else
		echo
		logger -s "WARNING: /etc/sendmail.cf not readable;" \
		    "sendmail not started."
	fi
fi

# Start xfs before boot daemons, so its ready before client xterminals.
if checkyesno xfs; then
	echo -n ' xfs';			xfs $xfs_flags
	sleep 2
fi

if checkyesno rarpd; then
	if [ -r /etc/ethers ]; then
		echo -n ' rarpd';	rarpd $rarpd_flags
	else
		echo
		logger -s "WARNING: /etc/ethers not readable;" \
		    "rarpd not started."
	fi
fi

if checkyesno rbootd; then
	if [ -r /etc/rbootd.conf ]; then
		echo -n ' rbootd';	rbootd $rbootd_flags
	else
		echo
		logger -s "WARNING: /etc/rbootd.conf not readable;" \
		    "rbootd not started."
	fi
fi

if checkyesno mopd; then
	echo -n ' mopd';		mopd $mopd_flags
fi

if checkyesno apmd; then
	echo -n ' apmd';		apmd $apmd_flags
fi

if checkyesno screenblank; then
	echo -n ' screenblank';		screenblank $screenblank_flags
fi

if checkyesno inetd; then
	if [ -r /etc/inetd.conf ]; then
		echo -n ' inetd';	inetd $inetd_flags
	else
		echo
		logger -s "WARNING: /etc/inetd.conf not readable;" \
		    "inetd not started."
	fi
fi

echo '.'

# Kerberos runs ONLY on the Kerberos server machine
if checkyesno kerberos; then
	echo -n 'starting kerberos daemons:'
	echo -n ' kerberos';	kerberos >> /var/log/kerberos.log &
	echo -n ' kadmind';	kadmind -n >> /var/log/kadmind.log &
	echo '.'
fi

# xdm after wscons - need a virtual screen for X
if checkyesno xdm; then
	echo 'starting xdm'
	xdm $xdm_flags
fi

. /etc/rc.local

date
exit 0