#!/bin/sh
#
# ELWIX Build script for ELWIX CompactFlash image
#
# (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
#    by Michael Pounov <misho@elwix.org>
#
# $Id: build_fs.sh,v 1.5 2013/01/28 01:47:34 misho Exp $
#

[ -r ./config/rc.elwix ] && . ./config/rc.elwix
if [ X"${ELWIX_IS_CONFIGURED}" != X"YES" ]; then
	echo
	echo "ELWIX project is not configured !?!"
	echo
	exit 1
fi

if [ ! -d ${BSDSRC} ]; then
	echo
	echo "ELWIX project is not configured - missing BSD sources !?!"
	echo
	exit 1
fi

if [ "${USER}" != "root" ]; then
	echo
	echo "ELWIX project is not configured - FS must build under root !?!"
	echo
	exit 1
fi

clean_fsdir()
{
	echo "+++ Clean ELWIX FS ..."
	rm -rf ${FS} ${FS_LITE} ${FS_LITE128}

	echo "+++ Clean ELWIX FS release ..."
	rm -rf ${REL}/${OS} ${REL}/${OS_LITE} ${REL}/${OS_LITE128}
}

build_fsdir()
{
	echo "+++ Build ELWIX FS directory ..."
	mkdir -p $1

	cd $1

# altroot
	install -d altroot;
	# altroot/var
	install -d altroot/var;
	install -d altroot/var/account;
	install -d altroot/var/at;
	install -d altroot/var/at/jobs;
	install -d altroot/var/at/spool;
	install -d -g 63 -m 0770 altroot/var/authpf;
	install -d -m 0750 altroot/var/cron;
	install -d -m 0700 altroot/var/cron/tabs;
	install -d altroot/var/db;
	install -d -m 0555 altroot/var/empty;
	install -d altroot/var/log;
	install -d -o 101 -g 101 altroot/var/log/quagga;
	install -d -o 883 -g 883 altroot/var/mqtt;
	install -d altroot/var/named;
	install -d altroot/var/run;
	install -d altroot/var/sys;
	install -d -o 53 -g 53 altroot/var/run/named;
	install -d -o 101 -g 101 altroot/var/run/quagga;
	install -d altroot/var/spool;
	install -d -o 66 -g 68 -m 0775 altroot/var/spool/lock;
	install -d -g 1 altroot/var/spool/lpd;
	install -d -g 1 altroot/var/spool/output;
	install -d -g 1 altroot/var/spool/output/lpd;
# boot
	install -d boot;
# cf
	install -d cf;
# etc
	install -d etc;
	install -d -o 883 -g 883 etc/mqtt;
# exports
	install -d exports;
# home
	install -d home;
# root
	install -d -m 0700 root;
# pkg
	install -d pkg;
	install -d pkg/db;
	install -d pkg/lib;
# tftpboot
	install -d tftpboot;

	chown -hR root:wheel .
	cd -
}

mkboot()
{
	echo "+++ Build ELWIX FS boot directory ..."
	InstallDir ${WORLD}/boot $1/boot

	install -m 644 ${CFGDIR}/boot/boot.config $1;

	install -m 444 ${CFGDIR}/boot/beastie.4th $1/boot;
	install -m 444 ${CFGDIR}/boot/brand.4th $1/boot;
	install -m 444 ${CFGDIR}/boot/menu.4th $1/boot;

	install -m 444 ${KERNDEVHINTS} $1/boot/device.hints;

	if [ -r ${CFGDIR}/boot/loader_${TARGET_ARCH}.conf ]; then
		install -m 644 ${CFGDIR}/boot/loader_${TARGET_ARCH}.conf $1/boot/loader.conf;
	else
		echo;
		echo "Can't find right loader.conf for TARGET_ARCH=${TARGET_ARCH} ... loader.conf not installed!";
		echo;
	fi;
}

mkvar()
{
	echo "+++ Build ELWIX FS var directory ..."
	ln -s /tmp $1/altroot/var/tmp

	touch $1/altroot/var/run/utmp

	touch $1/altroot/var/account/acct

	touch $1/altroot/var/log/elwix
	touch $1/altroot/var/log/lastlog
	touch $1/altroot/var/log/wifi.log
	touch $1/altroot/var/log/utx.log

	touch $1/altroot/var/log/auth.log
	touch $1/altroot/var/log/cron
	touch $1/altroot/var/log/console.log
	touch $1/altroot/var/log/debug.log
	touch $1/altroot/var/log/init.log
	touch $1/altroot/var/log/lpd-errs
	touch $1/altroot/var/log/maillog
	touch $1/altroot/var/log/messages
	touch $1/altroot/var/log/security
	touch $1/altroot/var/log/xferlog
	touch $1/altroot/var/log/ppp.log
	chgrp network $1/altroot/var/log/ppp.log

	InstallDir ${WORLD}/var/named $1/altroot/var/named
	InstallList ${ELWIX_BSDSRC} ${BSDSRC} $1/altroot/var/named
	install -v ${FS_ETC}/resolv.safe $1/altroot/var/run/resolv.conf
}

create_etc_motd()
{
	ELWIX_VER="ELWIX$2-${VERSION}_${TARGET_ARCH}";
	ELWIX_HDR_MOTD="${ELWIX_VER} :: Build date ${BUILD_DATE}";

	awk -v fo="${1:-motd}" 'BEGIN { print "'"${ELWIX_HDR_MOTD}"'" > fo; } { print $0 >> fo; }' \
		   ${CFGDIR}/elwix_signature.txt;
}

create_etc_fstab()
{
	cat >$1 <<_EOF
# Automatic generated fstab for ELWIX$2 at ${BUILD_DATE}
#
/dev/ufs/elwix		/elwix	ufs	ro			0	1
md3			/tmp	mfs	rw,-s8m,-oasync,-S	0       0
md4			/var	mfs	rw,-s16m,-S		0       0
_EOF
}

mketc()
{
	echo "+++ Build ELWIX FS etc directory ..."
	InstallDir ${FS_ETC} $1/etc

	chown -R root:wheel $1/etc;

	chmod 0600 $1/etc/opieaccess;
	chmod 0600 $1/etc/opiekeys;

	chmod 0600 $1/etc/master.passwd;
	chmod 0600 $1/etc/spwd.db;
	chmod 0600 $1/etc/ssh/ssh_host_dsa_key;
	chmod 0600 $1/etc/ssh/ssh_host_key;
	chmod 0600 $1/etc/ssh/ssh_host_rsa_key;
	chmod 0600 $1/etc/ssh/ssh_host_ecdsa_key;

	chmod 0440 $1/etc/sudoers;

	chgrp 80 $1/etc/config.xml;
	chmod 0660 $1/etc/config.xml;

	chgrp -R 883 $1/etc/mqtt;
	chown -R 883 $1/etc/mqtt;

	ln -sf /etc/rc.s $1/etc/rc.S

	ln -sf /usr/share/zoneinfo/${TIMEZONE} $1/etc/localtime;
	ln -sf /usr/share/misc/termcap $1/etc/termcap;

	ln -sf /var/named/etc/namedb $1/etc/namedb;
	ln -sf /var/run/resolv.conf $1/etc/resolv.conf;

	ln -sf /elwix/pkg/etc/mk.conf $1/etc/mk.conf;

	echo ${TARGET_ARCH} >$1/etc/platform;

	create_etc_motd $1/etc/motd $2;
	create_etc_fstab $1/etc/fstab $2;

	echo "+++ ELWIX clean CVS tags ..."
	CleanCVS $1
	CleanCVS $1/etc
}

mkbackup()
{
	echo "+++ Build ELWIX FS backup factory default directory ..."
	mkdir -p $1/altroot/backup

	cd $1
	cp -p etc/config.xml altroot/backup
	tar -czf altroot/backup/.etc.tgz etc

	cd altroot
	tar -czf backup/.var.tgz var
}

mkhome()
{
	echo "+++ Build ELWIX FS root home directory ..."
	install -d $1/root/.ssh
	[ -r ${CFGDIR}/root.skel/ssh/authorized_keys2 ] && \
		install -v ${CFGDIR}/root.skel/ssh/authorized_keys2 $1/root/.ssh;

	install -v ${CFGDIR}/root.skel/cshrc $1/root/.cshrc;
	install -v ${CFGDIR}/root.skel/login $1/root/.login;
	install -v ${CFGDIR}/root.skel/logout $1/root/.logout;
	install -v ${CFGDIR}/root.skel/profile $1/root/.profile;
	install -v ${CFGDIR}/root.skel/vimrc $1/root/.vimrc;
}

install_fsdir()
{
	echo "+++ Install ELWIX FS $1 in bundle OS install file ..."
	OSZ=""

	install -v ${REL}/${ROOTFS_KERN} $1/boot/kernel

	case "$2" in
		_[Ll][Ii][Tt][Ee]_128)
			install -d $1/usr
			cd $1/usr
			pax -r -z -pe -f ${REL}/${ROMFS_IMG}
			cd -

			install -d $1/usr/local
			cd $1/usr/local
			pax -r -z -pe -f ${REL}/${ROMFS_IMG2}
			cd -

			OSZ=${REL}/${OS_LITE128}
			;;
		_[Ll][Ii][Tt][Ee])
			install -d $1/usr
			cd $1/usr
			pax -r -z -pe -f ${REL}/${ROMFS_IMG}
			cd -

			OSZ=${REL}/${OS_LITE}
			;;
		*)
			install -v ${REL}/${ROMFS_IMG} \
				$1/altroot/elwix-firmware-${VERSION}_${TARGET_ARCH}
			ln $1/altroot/elwix-firmware-${VERSION}_${TARGET_ARCH} \
				$1/altroot/${ROMFS_IMG}
			ln -s /elwix/altroot/elwix-firmware-${VERSION}_${TARGET_ARCH} \
				$1/${ROMFS_IMG}

			install -v ${REL}/${ROMFS_IMG2} \
				$1/altroot/elwix-firmware2-${VERSION}_${TARGET_ARCH}
			ln $1/altroot/elwix-firmware2-${VERSION}_${TARGET_ARCH} \
				$1/altroot/${ROMFS_IMG2}
			ln -s /elwix/altroot/elwix-firmware2-${VERSION}_${TARGET_ARCH} \
				$1/${ROMFS_IMG2}

			OSZ=${REL}/${OS}
			;;
	esac

	cd $1
	tar -czvf $OSZ .
}

### main()
if [ ! -r ${REL}/${ROOTFS_KERN} -o ! -r ${REL}/${ROMFS_IMG} ]; then
	echo
	echo "Error:: not found kernel or firmware elwix files ..."
	echo
	echo " For fix this issue, please re-run build_rootfs.sh or build_romfs.sh"
	echo
	exit 1
fi

clean_fsdir

build_fsdir ${FS}
build_fsdir ${FS_LITE}
build_fsdir ${FS_LITE128}

mkboot ${FS}
mkboot ${FS_LITE}
mkboot ${FS_LITE128}

mkhome ${FS}
mkhome ${FS_LITE}
mkhome ${FS_LITE128}

mkvar ${FS}
mkvar ${FS_LITE}
mkvar ${FS_LITE128}

mketc ${FS}
mketc ${FS_LITE} "_lite"
mketc ${FS_LITE128} "_lite_128"

mkbackup ${FS}
mkbackup ${FS_LITE}
mkbackup ${FS_LITE128}

install_fsdir ${FS}
install_fsdir ${FS_LITE} "_lite"
install_fsdir ${FS_LITE128} "_lite_128"

echo "+++ Complete build ELWIX FS"
echo "ELWIX finish version ${VERSION}, Good luck!"