#!/boot/rc -m /boot/rcmain# boot script for file servers, including standalone onespath=(/boot /$cputype/bin /rc/bin .)fn diskparts {	# set up any /dev/sd partitions	for(disk in /dev/sd*) {		if(test -f $disk/data && test -f $disk/ctl)			fdisk -p $disk/data >$disk/ctl >[2]/dev/null		if(test -f $disk/plan9)			parts=($disk/plan9*)		if not			parts=($disk/data)		for(part in $parts)			if(test -f $part)				prep -p $part >$disk/ctl >[2]/dev/null	}} cd /bootecho -n boot...if (! test -e /env/vmpc)	vmpc=23			# % of free memory for venticp '#r/rtc' '#c/time'bind -a '#I0' /netbind -a '#l0' /netbind -a '#¤' /devbind -a '#S' /devbind -a '#k' /devbind -a '#æ' /devbind -a '#u' /devbind '#p' /procbind '#d' /fdbind -c '#s' /srv# bind -a /boot / # start usb for keyboard, disks, etc.if (test -e /dev/usb/ctl) {	echo -n usb...	usbd} echo -n disks...if(! ~ $dmaon no)	for (ctl in /dev/sd[C-H]?/ctl)		if (test -e $ctl)			echo 'dma on' >$ctl diskparts # set up any fs(3) partitions (HACK)# don't match AoE disks, as those may be shared.if (test ! -e /env/fscfg)	fscfg=`{ls -d /dev/sd[~e-h]?/fscfg >[2]/dev/null | sed 1q}if (~ $#fscfg 1 && test -r $fscfg)	zerotrunc <$fscfg | read -m >/dev/fs/ctl # figure out which arenas and fossil partitions to use.# don't match AoE disks, as those may be shared.if(! test -e /env/arena0){	if (test -e	/dev/fs/arena0)		arena0=	/dev/fs/arena0	if not if (test -e	/dev/sd[~e-h]?/arena0)		arena0=		/dev/sd[~e-h]?/arena0	if not		arena0=/dev/null}if (test -e	/dev/fs/fossil)	fossil=	/dev/fs/fossilif not if (test -e	/dev/sd[~e-h]?/fossil)	fossil=		/dev/sd[~e-h]?/fossilif not	fossil=/dev/null ## the local disks are now sorted out.# set up the network, auth, venti and fossil.# echo -n ip...if (~ $#ip 1 && ! ~ $ip '') {	# need to supply ip, ipmask and ipgw in plan9.ini to use this	ipconfig -g $ipgw ether /net/ether0 $ip $ipmask	echo 'add 0 0 '^$ipgw >>/net/iproute}if not	ipconfig# if outside, add explicit vfw routing to the insideswitch (`{sed '/\.(0|255)[	 ]/d' /net/ipselftab}) {case 135.104.24.*				# new outside	echo 'add 135.104.9.0 255.255.255.0 135.104.24.13' >>/net/iproute}ipconfig loopback /dev/null 127.1 # local hackery: add extra sr luns of shelf 1if (test -e /dev/aoe/1.1 && ! test -e /dev/sdf0)	echo config switch on spec f type aoe//dev/aoe/1.1 >/dev/sdctlif (test -e /dev/aoe/1.2 && ! test -e /dev/sdg0)	echo config switch on spec g type aoe//dev/aoe/1.2 >/dev/sdctldiskparts # so far we're using the default key from $nvram, usually# for insideout.plan9.bell-labs.com on outside machines,# and have mounted our root over the net, if running diskless.# factotum always mounts itself (on /mnt by default). echo -n factotum...if(~ $#auth 1){	echo start factotum on $auth	factotum -sfactotum -S -a $auth}if not	factotum -sfactotum -Smount -b /srv/factotum /mnt # if a keys partition exists, add its contents to factotum'skeys=`{ls -d /dev/sd*/keys >[2]/dev/null | sed 1q}if (~ $#keys 1 && test -r $keys) {	echo -n add keys...	zerotrunc <$keys | aescbc -n -d | read -m >/mnt/factotum/ctl} # get root from network if fsaddr set in plan9.ini, and bail out hereif (test -e /env/fs) {	echo -n fs root...	if(! srv tcp!$fs!564 boot)		exec ./rc -m/boot/rcmain -i	if(! mount -c /srv/boot /root)		exec ./rc -m/boot/rcmain -i} # start venti storeif (! ~ $arena0 /dev/null && test -r $arena0) {	echo -n start venti on $arena0...	venti=tcp!127.0.0.1!17034	vcfg=`{ls -d /dev/sd*/venticfg >[2]/dev/null | sed 1q}	if (~ $#vcfg 1 && test -r $vcfg)		venti -m $vmpc -c $vcfg	if not		venti -m $vmpc -c $arena0	sleep 10}if not if (! test -e /env/venti)	venti=tcp!135.104.9.33!17034		# local default # start root fossil, may serve /srv/bootif (! ~ $fossil /dev/null && test -r $fossil) {	echo -n root fossil on $fossil...	fossil -m 2 -f $fossil	sleep 3} ## normal start up on local fossil root# rootdir=/rootrootspec=main/active # factotum is now mounted in /mnt; keep it visible.# newns() needs it, among others. # mount new rootif (test -e /srv/boot)	srv=bootif not if (test -e /srv/fossil)	srv=fossilif not if (test -e /srv/fsmain)	srv=fsmainif not {	echo cannot find a root in /srv:	ls -l /srv}echo -n mount -cC /srv/$srv $rootdir...	mount -cC /srv/$srv $rootdirbind -a $rootdir / if (test -d $rootdir/mnt)	bind -ac $rootdir/mnt /mntmount -b /srv/factotum /mnt # standard binif (! test -d /$cputype) {	echo /$cputype missing!	exec ./rc -m/boot/rcmain -i}bind /$cputype/bin /binbind -a /rc/bin /bin # run cpurcecho cpurc...path=(/bin . /boot)/$cputype/init -c exec ./rc -m/boot/rcmain -i