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#!/bin/sh
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# $Id$
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# /etc/rc.firmware
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# part of m0n0wall (http://neon1.net/m0n0wall)
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#
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# Copyright (C) 2003 Manuel Kasper <mk@neon1.net>.
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# All rights reserved.
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#CFDEVICE=`cat /var/etc/cfdevice`
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if [ $1 != "upgrade" ]; then
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	/sbin/umount -f /ftmp > /dev/null 2>&1
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fi
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backup_chflags() {
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	/usr/sbin/mtree -Pcp / | bzip2 -9 > /tmp/chflags.dist.bz2 | logger -p daemon.info -i -t UpgradeFlags
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}
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restore_chflags() {
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	cd / && /usr/bin/bzcat /tmp/chflags.dist.bz2 | /usr/sbin/mtree -PU -p / | logger -p daemon.info -i -t UpgradeFlags
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}
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remove_chflags() {
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	/usr/bin/chflags -R noschg /
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	/bin/chmod -R u+rw /
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}
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binary_update() {
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	TGZ=$1
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	ERR_F="/tmp/bdiff.log"
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	rm ${ERR_F} 2>/dev/null
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	/bin/mkdir /tmp/patched /tmp/patches 2>>${ERR_F}
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	backup_chflags
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	remove_chflags
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	cd /tmp/patches
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	for i in `/usr/bin/tar tvzf $TGZ | egrep -v "(^d|_md5)" | nawk '{print $9;}'`;
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	 do 
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	   FILE=`basename ${i}`
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	   echo "Working on ${i}"
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	   # Untar patch file and md5 files
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	   /usr/bin/tar xzf ${TGZ} ${i} ${i}.old_file_md5 ${i}.new_patch_md5 ${i}.new_file_md5 2>>${ERR_F}
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	   # Apply patch - oldfile newfile patchfile
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	   /usr/local/bin/bspatch /${i} /tmp/patched/${FILE} /tmp/patches/${i} 2>>${ERR_F}
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	   OLD_FILE_MD5=`cat /tmp/patches/${i}.old_file_md5 2>/dev/null`
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	   NEW_PATCH_MD5=`cat /tmp/patches/${i}.new_patch_md5 2>/dev/null`
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	   NEW_FILE_MD5=`cat /tmp/patches/${i}.new_file_md5 2>/dev/null`
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	   PATCHED_MD5=`/sbin/md5 -q /tmp/patched/${FILE} 2>/dev/null`
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	   if [ "$PATCHED_MD5" = "$NEW_PATCH_MD5" ]; then
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		/usr/bin/install -S  /tmp/patched/${FILE} /${i}
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	   else
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		#echo "${i} file does not match intended final md5."
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		echo "${i} file does not match intended final md5." >> ${ERR_F}
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	   fi
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	   /bin/rm /tmp/patched/${FILE} >> ${ERR_F}
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	   /bin/rm /tmp/patches/${i} >> ${ERR_F}
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	   /bin/rm /tmp/patches/${i}.* >> ${ERR_F}
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	done
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	/bin/rm -rf /tmp/patched /tmp/patches >> ${ERR_F}
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	restore_chflags
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}
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case $1 in
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enable)
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	/sbin/mount_mfs -s 15360 -T qp120at -b 8192 -f 1024 dummy /ftmp \
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		> /dev/null 2>&1
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	;;
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auto)
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	backup_chflags
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	remove_chflags
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	/etc/rc.firmware_auto
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	restore_chflags
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	;;
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upgrade)
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	# wait 5 seconds before beginning
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	sleep 5
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	backup_chflags
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	remove_chflags
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	exec </dev/console >/dev/console 2>/dev/console
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	echo
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	echo "Firmware upgrade in progress..."  | logger -p daemon.info -i -t Upgrade
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	# backup config
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	mkdir /tmp/configbak
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	cp -p /conf/* /tmp/configbak
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	# unmount /cf
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	/sbin/umount -f /cf
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	# dd image onto card
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	if [ -r $2 ]; then
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		/usr/bin/gunzip -S "" -c $2 | dd of=/dev/r$CFDEVICE bs=16k > /dev/null 2>&1
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		echo "Image installed."
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	fi
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	# mount /cf
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	/sbin/mount -w -o noatime /cf
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	# restore config
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	cp -p /tmp/configbak/* /conf
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	restore_chflags
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	# remount /cf ro
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	/sbin/umount -f /cf
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	/sbin/mount -r /cf
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	echo "Done."
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	sh /etc/rc.reboot
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	;;
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pfSenseupgrade)
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	# wait 5 seconds before beginning
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	sleep 5
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	backup_chflags
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	remove_chflags
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	exec </dev/console >/dev/console 2>/dev/console
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	echo "Firmware upgrade in progress..."  | logger -p daemon.info -i -t Upgrade
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	# backup config
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	/bin/mkdir -p /tmp/configbak 
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	cp -p /conf/* /tmp/configbak 2>/dev/null
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	# mount /cf
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	/sbin/mount -w -o noatime /cf 2>/dev/null
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	# tar explode image onto hd
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	if [ -r $2 ]; then
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		echo "Installing $2." | logger -p daemon.info -i -t Upgrade
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		/usr/bin/tar xzPf $2 -U -C / | logger -p daemon.info -i -t Upgrade
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		/usr/bin/find / -name CVS -exec rm {} \;
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		echo "Image installed $2." | logger -p daemon.info -i -t Upgrade
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	else
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		echo "2nd paramater has not been passed; skipping." | logger -p daemon.info -i -t Upgrade
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	fi
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        # process custom image if its passed
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        if [ -r $3 ]; then
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            echo "Custom image $3 found." | logger -p daemon.info -i -t Upgrade
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            /usr/bin/tar xzPf $3 -U -C / | logger -p daemon.info -i -t Upgrade
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            echo "Custom image $3 installed." | logger -p daemon.info -i -t Upgrade
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        fi
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	# restore config
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	cp -p /tmp/configbak/* /conf 2>/dev/null
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	# restore /etc symlinks
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	rm /etc/hosts
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	ln -s /var/etc/hosts /etc/hosts
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	# we dont use freebsd's rc, we have our own.
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	rm -rf /etc/rc.subr
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	rm -rf /etc/rc.d
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	restore_chflags
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	# remount /cf ro
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	/sbin/umount -f /cf 2>/dev/null
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	/sbin/mount -r /cf 2>/dev/null
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	echo "Done." | logger -p daemon.info -i -t Upgrade
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	sh /etc/rc.reboot
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	;;
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delta_update)
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	backup_chflags
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	remove_chflags
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	binary_update $2
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	restore_chflags
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	;;
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esac