harvey/rc/bin/cpurc

#!/bin/rc
# cpu server startup
boottime=`{date}
boottime=$"boottime
echo cpurc starting $boottime

# cs sets /dev/sysname
ndb/cs -4			# bloody google's ipv6 mail sending rules
sysname=`{cat /dev/sysname}

# get rid of need for dirs in /n
mntgen -s slashn && chmod 666 /srv/slashn

# parallelism for mk
NPROC = `{wc -l </dev/sysstat}

# enable usb keyboard, among other usb devices
if (! test -e /srv/usb && test -e '#u/usb')
	usb/usbd

# site-specific startup
listener=()
if(test -e /rc/bin/cpurc.local)
	. /rc/bin/cpurc.local

# sysname sanity checks
if (~ $#sysname 0 || ~ $sysname '') {
	sysname = helix			# default
	echo -n $sysname >/dev/sysname
}
prompt=($sysname^'# ' '	')

# cpu-specific startup
# if it runs aux/listen, it must first run ndb/dns.
if(! test -e '/env/*envloaded')
	. loadcfgpxe
if(test -e /cfg/$sysname/cpurc)
	. /cfg/$sysname/cpurc

# if we're not a server, start a dns resolver
if(! test -e /srv/dns && ! test -e /env/dns) {
	echo -n dns...
	ndb/dns	&		# -rF
}

# reboot cpu server if we lose the file server
if (! ~ $sysname fs)
	aux/reboot &

# don't turn on dong's tcp port hog defense; our firewall drops
# the out-of-sequence keepalives it uses, thus dropping
# inside-to-outside connections after 5 minutes.
#if( test -e /net/tcp/clone)
#	echo -n tcpporthogdefense on > /net/tcp/0/ctl

# keep other bootes processes from creating capabilities (optional)
rm '#¤/caphash' > /dev/null >[2=1]

# start up internet if we don't already have an address
if(! grep u /net/ipselftab | grep -sv 127.0.0.1) {
	echo -n ipconfig for ip...
	ip/ipconfig
}
if not if (~ $sysname pi) # in case on net 10 and answered by fw or airport extreme
	ip/ipconfig
if(! grep -s 127.0.0.1 /net/ipselftab) {
	echo -n loopbacks...
	ip/ipconfig loopback /dev/null 127.1
	ip/ipconfig loopback /dev/null ::1 /128
}

# start listeners if it hasn't already been done (dicey check; auth can be slow)
if(! netstat -n | grep -s '^tcp.*Listen.* (7|9|21|22|23|25|110|113|565|993|17007|17009|17010|17013) .*' &&
    ! ~ $listener yes) {
	echo -n listen...
	aux/listen -q &
	sleep 2
}

if(! ps|grep -s timesync) {
	echo -n timesync...
	starttimesync &
	sleep 2
}

# cpu-specific late startup
if(test -e /cfg/$sysname/cpustart)
	.  /cfg/$sysname/cpustart

# prevent killing specific processes when out of memory.
# processes started via listen must be killable, so exclude listen.
dontkill '^(ipconfig|factotum|mntgen|venti|fossil|cs|dns|reboot)$' &

# log boot and kernel information
kern=`{ls -ld `{kern}}
echo $"boottime $sysname $terminal $"kern >>/sys/log/boot
ls -l /srv/boot | sed -e 's/.* 0 /kernel built: /' -e 's; /srv/boot;;'
echo $terminal $"kern
echo -n `{date} ' '; uptime

echo collect kmesg...
kmesg.boot &
exit ''