X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=df104ef399cf344dab3d4dcc787e77f172f2b9ca;hb=refs%2Ftags%2Fupstream%2F1.156.1;hp=240691ac2b61907ffef85c9000eca029c29dfc17;hpb=101c4ab7e441f83d8d4a4f5ec005e429b3f17d0d;p=live-boot-grml.git

diff --git a/scripts/live b/scripts/live
index 240691a..df104ef 100755
--- a/scripts/live
+++ b/scripts/live
@@ -21,6 +21,17 @@ HOSTNAME="host"
 
 mkdir -p "${mountpoint}"
 
+# Create /etc/mtab for debug purpose and future syncs
+if [ ! -d /etc ]
+then
+	mkdir /etc/
+fi
+
+if [ ! -f /etc/mtab ]
+then
+	touch /etc/mtab
+fi
+
 [ -f /etc/live.conf ] && . /etc/live.conf
 export USERNAME USERFULLNAME HOSTNAME
 
@@ -65,6 +76,16 @@ Arguments ()
 				export HOOK
 				;;
 
+			ftpfs=*)
+				FTPFS="${ARGUMENT#ftpfs=}"
+				export FTPFS
+				;;
+
+			httpfs=*)
+				HTTPFS="${ARGUMENT#httpfs=}"
+				export HTTPFS
+				;;
+
 			hostname=*)
 				HOSTNAME="${ARGUMENT#hostname=}"
 				LIVECONF="changed"
@@ -88,6 +109,11 @@ Arguments ()
 				export IGNORE_UUID
 				;;
 
+			integrity-check)
+				INTEGRITY_CHECK="Yes"
+				export INTEGRITY_CHECK
+				;;
+
 			ip=*)
 				STATICIP="${ARGUMENT#ip=}"
 
@@ -265,9 +291,9 @@ Arguments ()
 				export NOPROGRAMCRASHES
 				;;
 
-			norestrictedmanager)
-				NORESTRICTEDMANAGER="Yes"
-				export NORESTRICTEDMANAGER
+			nojockey)
+				NOJOCKEY="Yes"
+				export NOJOCKEY
 				;;
 
 			nosudo)
@@ -275,9 +301,9 @@ Arguments ()
 				export NOSUDO
 				;;
 
-			noswap)
-				NOSWAP="Yes"
-				export NOSWAP
+			swapon)
+				SWAPON="Yes"
+				export SWAPON
 				;;
 
 			noupdatenotifier)
@@ -305,6 +331,20 @@ Arguments ()
 				export PERSISTENT
 				;;
 
+			persistent=*)
+				PERSISTENT="${ARGUMENT#persistent=}"
+				if [ -z "${PERSISTENT}" ]
+				then
+					PERSISTENT="Yes"
+				fi
+				export PERSISTENT
+				;;
+
+			persistent-path=*)
+				PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+				export PERSISTENT_PATH
+				;;
+
 			nopersistent)
 				NOPERSISTENT="Yes"
 				export NOPERSISTENT
@@ -323,9 +363,9 @@ Arguments ()
 			url=*)
 				location="${ARGUMENT#url=}"
 
-				mount -n -o bind /sys /root/sys
-				mount -n -o bind /proc /root/proc
-				mount -n -o bind /dev /root/dev
+				mount -o bind /sys /root/sys
+				mount -o bind /proc /root/proc
+				mount -o bind /dev /root/dev
 
 				mkdir -p /root/var/run/network
 				chroot /root dhclient eth0
@@ -392,6 +432,11 @@ Arguments ()
 				export PLAIN_ROOT
 				;;
 
+			skipunion)
+                                SKIP_UNION_MOUNTS="Yes"
+                                export SKIP_UNION_MOUNTS
+                                ;;
+
 			root=*)
 				ROOT="${ARGUMENT#root=}"
 				export ROOT
@@ -446,7 +491,7 @@ Arguments ()
 
 	if [ -z "${UNIONTYPE}" ]
 	then
-		UNIONTYPE="unionfs"
+		UNIONTYPE="aufs"
 		export UNIONTYPE
 	fi
 }
@@ -457,7 +502,7 @@ is_live_path ()
 
 	if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
 	then
-		for FILESYSTEM in squashfs ext2 ext3 xfs dir jffs2
+		for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
 		do
 			if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
 			then
@@ -479,7 +524,7 @@ matches_uuid ()
 	path="${1}"
 	uuid="$(cat /conf/uuid.conf)"
 
-	for try_uuid_file in "${mountpoint}/.disk/casper-uuid"*
+	for try_uuid_file in "${path}/.disk/live-uuid"*
 	do
 		[ -e "${try_uuid_file}" ] || continue
 
@@ -497,8 +542,8 @@ matches_uuid ()
 get_backing_device ()
 {
 	case "${1}" in
-		*.squashfs|*.ext2|*.ext3|*.jffs2)
-			echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
+		*.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
+			echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
 			;;
 
 		*.dir)
@@ -528,19 +573,20 @@ mount_images_in_directory ()
 {
 	directory="${1}"
 	rootmnt="${2}"
-    	mac="${3}"
+	mac="${3}"
 
 
 	if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
 		match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
 		match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
+		match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
 		match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
 		match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
 	then
 		[ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
 		setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
 	else
-		:
+		panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
 	fi
 }
 
@@ -548,7 +594,10 @@ is_nice_device ()
 {
 	sysfs_path="${1#/sys}"
 
-	if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
+	if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb))"
+	then
+		return 0
+	elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
 	then
 		return 0
 	fi
@@ -556,20 +605,6 @@ is_nice_device ()
 	return 1
 }
 
-is_supported_fs ()
-{
-	# FIXME: do something better like the scan of supported filesystems
-	fstype="${1}"
-
-	case ${fstype} in
-		vfat|iso9660|udf|ext2|ext3|ntfs|jffs2)
-			return 0
-			;;
-	esac
-
-	return 1
-}
-
 copy_live_to ()
 {
 	copyfrom="${1}"
@@ -594,7 +629,7 @@ copy_live_to ()
 	if [ "${copytodev}" = "ram" ]
 	then
 		# copying to ram:
-		freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
+		freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
 		mount_options="-o size=${size}k"
 		free_string="memory"
 		fstype="tmpfs"
@@ -608,14 +643,14 @@ copy_live_to ()
 			fstype=$(get_fstype "${dev}")
 			freespace=$(fs_size "${dev}")
 		else
-			[ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
+			log_warning_msg "${copytodev} is not a block device."
 			return 1
 		fi
 	fi
 
 	if [ "${freespace}" -lt "${size}" ]
 	then
-		[ "${quiet}" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
+		log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
 		return 1
 	fi
 
@@ -629,7 +664,7 @@ copy_live_to ()
 		cd "${copyto}"
 		tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 		rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
-		mount -r --move "${copyto}" "${rootmnt}"
+		mount -r -o move "${copyto}" "${rootmnt}"
 		cd "${OLDPWD}"
 	else
 		if [ -n "${MODULETORAMFILE}" ]
@@ -639,9 +674,8 @@ copy_live_to ()
 			cp -a ${copyfrom}/* ${copyto}   # "cp -a" from busybox also copies hidden files
 		fi
 
-		livefs_root
 		umount ${copyfrom}
-		mount -r --move ${copyto} ${copyfrom}
+		mount -r -o move ${copyto} ${copyfrom}
 	fi
 
 	rmdir ${copyto}
@@ -654,8 +688,16 @@ do_netmount ()
 
 	modprobe -q af_packet # For DHCP
 
-	udevtrigger
-	udevsettle
+	if [ -x /sbin/udevadm ]
+	then
+		# lenny
+		udevadm trigger
+		udevadm settle
+	else
+		# etch
+		udevtrigger
+		udevsettle
+	fi
 
 	ipconfig ${DEVICE} | tee /netboot.config
 
@@ -665,12 +707,21 @@ do_netmount ()
 	[ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
 	export HOSTNAME
 
+	# Check if we have a network device at all
+	if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
+	   ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
+	   ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
+	   ! ls /sys/class/net/ra0 > /dev/null 2>&1
+	then
+		panic "No supported network device found, maybe a non-mainline driver is required."
+	fi
+
 	if [ "${NFSROOT}" = "auto" ]
 	then
 		NFSROOT=${ROOTSERVER}:${ROOTPATH}
 	fi
 
-	if [ -n "${FETCH}" ] && do_httpmount
+	if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
 	then
 		rc=0
 		return ${rc}
@@ -681,7 +732,7 @@ do_netmount ()
 		NFSROOT=${ROOTSERVER}:${NFSROOT}
 	fi
 
-	[ "${quiet}" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+	log_begin_msg "Trying netboot from ${NFSROOT}"
 
 	if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
 	then
@@ -693,27 +744,68 @@ do_netmount ()
 		rc=0
 	fi
 
-	[ "${quiet}" != "y" ] && log_end_msg
+	log_end_msg
 	return ${rc}
 }
 
 do_httpmount ()
 {
 	rc=1
-	extension=$(echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/')
-
-	case "${extension}" in
-		squashfs|tgz|tar)
-			[ "${quiet}" != "y" ] && log_begin_msg "Trying wget ${FETCH} -O ${mountpoint}/$(basename ${FETCH})"
-			mkdir -p "${mountpoint}/${LIVE_MEDIA_PATH}"
-			wget "${FETCH}" -O "${mountpoint}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
-			[ ${?} -eq 0 ] && rc=0
-			[ "${extension}" = "tgz" ] && live_dest="ram"
-			;;
+	dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+	mount -t ramfs ram "${mountpoint}"
+	mkdir -p "${dest}"
 
-		*)
-			[ "${quiet}" != "y" ] && log_begin_msg "Unrecognized archive extension for ${FETCH}"
-	esac
+	for webfile in HTTPFS FTPFS FETCH
+	do
+		url="$(eval echo \"\$\{${webfile}\}\")"
+		extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+
+		if [ -n "$url" ]
+		then
+			case "${extension}" in
+				squashfs|tgz|tar)
+					if [ "${webfile}" = "FETCH" ]
+					then
+						case "$url" in
+							tftp*)
+								ip="$(dirname $url | sed -e 's|tftp://||g')"
+								log_begin_msg "Trying tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip"
+								tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip
+							;;
+
+							*)
+								log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
+								wget "${url}" -O "${dest}/$(basename ${url})"
+								;;
+						esac
+					else
+						log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
+						if [ "${webfile}" = "FTPFS" ]
+						then
+							FUSE_MOUNT="curlftpfs"
+							url="$(dirname ${url})"
+						else
+							FUSE_MOUNT="httpfs"
+						fi
+						modprobe fuse
+						$FUSE_MOUNT "${url}" "${dest}"
+					fi
+					[ ${?} -eq 0 ] && rc=0
+					[ "${extension}" = "tgz" ] && live_dest="ram"
+					break
+					;;
+
+				*)
+					log_begin_msg "Unrecognized archive extension for ${url}"
+					;;
+			esac
+		fi
+	done
+
+	if [ ${rc} != 0 ]
+	then
+	    umount "${mountpoint}"
+	fi
 
 	return ${rc}
 }
@@ -729,13 +821,15 @@ do_nfsmount ()
 		NFSOPTS=""
 	fi
 
-	[ "${quiet}" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
+	log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 
-	# FIXME: This for loop is an ugly HACK round an nfs bug
-	for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
+	# FIXME: This while loop is an ugly HACK round an nfs bug
+	i=0
+	while [ "$i" -lt 60 ]
 	do
 		nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 		sleep 1
+		i="$(($i + 1))"
 	done
 
 	return ${rc}
@@ -754,7 +848,7 @@ do_cifsmount ()
 			CIFSOPTS="${NFSOPTS}"
 		fi
 
-		[ "${quiet}" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+		log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 		modprobe -q cifs
 
 		if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
@@ -778,10 +872,10 @@ do_snap_copy ()
 		# look for free mem
 		if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
 		then
-			todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
-			freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
+			todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
+			freespace=$(df -k | awk '/'${todev}'/{print $4}')
 		else
-			freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
+			freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
 		fi
 
 		tomount="/mnt/tmpsnap"
@@ -796,7 +890,7 @@ do_snap_copy ()
 		if [ -n "${fstype}" ]
 		then
 			# Copying stuff...
-			mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
+			mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
 			cp -a "${tomount}"/* ${todir}
 			umount "${tomount}"
 		else
@@ -814,76 +908,106 @@ do_snap_copy ()
 	else
 		return 1
 
-		[ "${quiet}" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+		log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+	fi
+}
+
+find_snap ()
+{
+	# Look for ${snap_label}.* in block devices
+	snap_label="${1}"
+
+	if [ "${PERSISTENT}" != "nofiles" ]
+	then
+		# search for image files
+		snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snal_label}.ext4 ${snap_label}.jffs2")
 	fi
+
+	if [ -z "${snapdata}" ]
+	then
+		snapdata=$(find_cow_device "${snap_label}")
+	fi
+	echo "${snapdata}"
 }
 
 try_snap ()
 {
-	# Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
+        # copy the contents of previously found snapshot to ${snap_mount}
 	# and remember the device and filename for resync on exit in live-initramfs.init
 
-	snap_label="${1}"
+	snapdata="${1}"
 	snap_mount="${2}"
 	snap_type="${3}"
-	snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
 
 	if [ ! -z "${snapdata}" ]
 	then
+		log_success_msg "found snapshot: ${snapdata}"
 		snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
 		snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
 		snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 
-		if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
+		RES=""
+		if ! try_mount "${snapdev}" "${snapback}" "ro"
+		then
+			break
+		fi
+
+		if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
 		then
-			# squashfs, jffs2 or ext2/ext3 snapshot
+			# squashfs, jffs2 or ext2/ext3/ext4 snapshot
 			dev=$(get_backing_device "${snapback}/${snapfile}")
 
-			if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
-			then
-				log_warning_msg "Impossible to include the ${snapfile} Snapshot"
-				return 1
-			fi
+			do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+			RES=$?
 		else
 			# cpio.gz snapshot
-			if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i -u -d 2>/dev/null)
+			cd "${snap_mount}"
+			zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
+			RES=$?
+			if [ "${RES}" != "0" ]
 			then
-				log_warning_msg "Impossible to include the ${snapfile} Snapshot"
-				return 1
+				log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
 			fi
+			cd "${OLDPWD}"
 		fi
 
-		umount "${snapback}"
-	else
-		dev=$(find_cow_device "${snap_label}")
+		umount "${snapback}" ||  log_warning_msg "failure to \"umount ${snapback}\""
 
-		if [ -b ${dev} ]
+		if [ "${RES}" != "0" ]
 		then
-			if echo "${dev}" | grep -qs loop
-			then
-				# strange things happens, user confused?
-				snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
-				snapfile=$(basename ${snaploop})
-				snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
-			else
-				snapdev="${dev}"
-			fi
+			log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
+		fi
 
-			if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
-			then
-				log_warning_msg "Impossible to include the ${snap_label} Snapshot"
-				return 1
-			else
-				if [ -n "${snapfile}" ]
-				then
-					# it was a loop device, user confused
-					umount ${snapdev}
-				fi
-			fi
+
+	elif [ -b "${snapdata}" ]
+	then
+		# Try to find if it could be a snapshot partition
+		dev="${snapdata}"
+		log_success_msg "found snapshot device on ${dev}"
+		if echo "${dev}" | grep -qs loop
+		then
+			# strange things happens, user confused?
+			snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
+			snapfile=$(basename ${snaploop})
+			snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
 		else
-			log_warning_msg "Impossible to include the ${snap_label} Snapshot"
+			snapdev="${dev}"
+		fi
+
+		if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+		then
+			log_warning_msg "Impossible to include the ${snap_type} Snapshot"
 			return 1
+		else
+			if [ -n "${snapfile}" ]
+			then
+				# it was a loop device, user confused
+				umount ${snapdev}
+			fi
 		fi
+	else
+		log_warning_msg "Impossible to include the ${snap_type} Snapshot"
+		return 1
 	fi
 
 	echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
@@ -935,7 +1059,7 @@ setup_unionfs ()
 		done
 	else
 		# ${MODULE}.module does not exist, create a list of images
-		for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+		for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
 		do
 			for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
 			do
@@ -948,7 +1072,7 @@ setup_unionfs ()
 
 		if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
 		then
-			for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+			for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
 			do
 				for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
 				do
@@ -972,6 +1096,12 @@ setup_unionfs ()
 	do
 		imagename=$(basename "${image}")
 
+		export image devname
+		maybe_break live-realpremount
+		log_begin_msg "Running /scripts/live-realpremount"
+		run_scripts /scripts/live-realpremount
+		log_end_msg
+
 		if [ -d "${image}" ]
 		then
 			# it is a plain directory: do nothing
@@ -979,7 +1109,12 @@ setup_unionfs ()
 			rofslist="${image} ${rofslist}"
 		elif [ -f "${image}" ]
 		then
-			backdev=$(get_backing_device "${image}")
+			if losetup --help 2>&1 | grep -q -- "-r\b"
+			then
+				backdev=$(get_backing_device "${image}" "-r")
+			else
+				backdev=$(get_backing_device "${image}")
+			fi
 			fstype=$(get_fstype "${backdev}")
 
 			if [ "${fstype}" = "unknown" ]
@@ -987,9 +1122,16 @@ setup_unionfs ()
 				panic "Unknown file system type on ${backdev} (${image})"
 			fi
 
+			if [ -z "${fstype}" ]
+			then
+				fstype="${imagename##*.}"
+				log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
+			fi
+
 			mkdir -p "${croot}/${imagename}"
-			echo "debug: Mounting backdev \"${backdev}\" (image = ${image}) on croot/imagename \"${croot}/${imagename}\""
+			log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
 			mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+			log_end_msg
 		fi
 	done
 
@@ -1007,8 +1149,16 @@ setup_unionfs ()
 			modprobe -q -b ${module}
 		done
 
-		udevtrigger
-		udevsettle
+		if [ -x /sbin/udevadm ]
+		then
+			# lenny
+			udevadm trigger
+			udevadm settle
+		else
+			# etch
+			udevtrigger
+			udevsettle
+		fi
 
 		# For some reason, udevsettle does not block in this scenario,
 		# so we sleep for a little while.
@@ -1024,16 +1174,41 @@ setup_unionfs ()
 			fi
 		done
 
+		# search for label and files (this could be hugely optimized)
 		cowprobe=$(find_cow_device "${root_persistence}")
+		if [ -b "${cowprobe}" ]
+		then
+			# Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
+			# makes sense to have both persistence for /cow and /home mounted, maybe also with
+			# snapshots to be sure to really store some e.g key config files,
+			# but not on the same media
+			blacklistdev="${cowprobe}"
+			PERSISTENCE_IS_ON="1"
+			export PERSISTENCE_IS_ON
+		fi
+		# homecow just mount something on /home, this should be generalized some way
+		homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
+		if [ -b "${homecow}" ]
+		then
+			PERSISTENCE_IS_ON="1"
+			export PERSISTENCE_IS_ON
+		fi
+		root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
+		# This second type should be removed when snapshot will get smarter,
+		# hence when "/etc/live-snapshot*list" will be supported also by
+		# ext2|ext3|ext4|jffs2 snapshot types.
+		home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
 
 		if [ -b "${cowprobe}" ]
 		then
 			cowdevice=${cowprobe}
 			cow_fstype=$(get_fstype "${cowprobe}")
+			cow_mountopt="rw,noatime"
 		else
-			[ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent medium"
+			log_warning_msg "Unable to find the persistent medium"
 			cowdevice="tmpfs"
 			cow_fstype="tmpfs"
+			cow_mountopt="rw,noatime,mode=755"
 		fi
 	elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
 	then
@@ -1057,16 +1232,17 @@ setup_unionfs ()
 	else
 		cowdevice="tmpfs"
 		cow_fstype="tmpfs"
+		cow_mountopt="rw,noatime,mode=755"
 	fi
 
 	if [ "${cow_fstype}" = "nfs" ]
 	then
-		[ "${quiet}" != "y" ] && log_begin_msg \
+		log_begin_msg \
 			"Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
 		nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
 			panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
 	else
-		mount -t ${cow_fstype} -o rw,noatime ${cowdevice} /cow || \
+		mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
 			panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
 	fi
 
@@ -1083,8 +1259,12 @@ setup_unionfs ()
 		mount --bind ${exposedrootfs} ${rootmnt} || \
 			panic "bind mount of ${exposedrootfs} failed"
 
-		cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
-			/home /var/lib/live'
+		if [ -z "${SKIP_UNION_MOUNTS}" ]
+		then
+			cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
+		else
+			cow_dirs=''
+		fi
 
 		for dir in ${cow_dirs}; do
 			mkdir -p /cow${dir}
@@ -1101,6 +1281,7 @@ setup_unionfs ()
 	fi
 
 	# tmpfs file systems
+	touch /etc/fstab
 	mkdir -p "${rootmnt}/live"
 	mount -t tmpfs tmpfs ${rootmnt}/live
 
@@ -1109,19 +1290,19 @@ setup_unionfs ()
 	then
 		# directly mount /home
 		# FIXME: add a custom mounts configurable system
-		homecow=$(find_cow_device "${home_persistence}" )
 
 		if [ -b "${homecow}" ]
 		then
 			mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
 			export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
 		else
-			[ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
+			log_warning_msg "Unable to find the persistent home medium"
 		fi
 
 		# Look for other snapshots to copy in
-		try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
-		try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
+		try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
+		# This second type should be removed when snapshot grow smarter
+		try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
 	fi
 
 	if [ -n "${SHOWMOUNTS}" ]
@@ -1136,7 +1317,7 @@ setup_unionfs ()
 					;;
 
 				*)
-					mount --move "${d}" "${rootmnt}/live/${d##*/}"
+					mount -o move "${d}" "${rootmnt}/live/${d##*/}"
 					;;
 			esac
 		done
@@ -1144,7 +1325,7 @@ setup_unionfs ()
 
 	# shows cow fs on /cow for use by live-snapshot
 	mkdir -p "${rootmnt}/live/cow"
-	mount -o move /cow "${rootmnt}/live/cow"
+	mount -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
 }
 
 check_dev ()
@@ -1158,6 +1339,19 @@ check_dev ()
 		devname=$(sys2dev "${sysdev}")
 	fi
 
+	if [ -d "${devname}" ]
+	then
+		mount -o bind "${devname}" $mountpoint || continue
+
+		if is_live_path $mountpoint
+		then
+			echo $mountpoint
+			return 0
+		else
+			umount $mountpoint
+		fi
+	fi
+
 	if [ -n "${LIVE_MEDIA_OFFSET}" ]
 	then
 		loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
@@ -1211,7 +1405,7 @@ find_livefs ()
 	fi
 
 	# or do the scan of block devices
-	for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v 'dm-')
+	for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
 	do
 		devname=$(sys2dev "${sysblock}")
 		fstype=$(get_fstype "${devname}")
@@ -1234,6 +1428,7 @@ find_livefs ()
 		elif [ "${fstype}" = "squashfs" -o \
 			"${fstype}" = "ext2" -o \
 			"${fstype}" = "ext3" -o \
+			"${fstype}" = "ext4" -o \
 			"${fstype}" = "jffs2" ]
 		then
 			# This is an ugly hack situation, the block device has
@@ -1253,12 +1448,39 @@ set_usplash_timeout ()
 	if [ -x /sbin/usplash_write ]
 	then
 		/sbin/usplash_write "TIMEOUT 120"
+	else if [ -x /sbin/splashy_update ] ; then
+		/sbin/splashy_update "TIMEOUT 120"
+	fi ; fi
+}
+
+integrity_check ()
+{
+	media_mountpoint="${1}"
+
+	log_begin_msg "Checking media integrity"
+
+	cd ${media_mountpoint}
+	/bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
+	RC="${?}"
+
+	log_end_msg
+
+	if [ "${RC}" -eq 0 ]
+	then
+		log_success_msg "Everything ok, will reboot in 10 seconds."
+		sleep 10
+		cd /
+		umount ${media_mountpoint}
+		sync
+		echo u > /proc/sysrq-trigger
+		echo b > /proc/sysrq-trigger
+	else
+		panic "Not ok, a media defect is likely, switch to VT8 for details."
 	fi
 }
 
 mountroot ()
 {
-    
         if [ -x /scripts/local-top/cryptroot ]; then
 	    /scripts/local-top/cryptroot
 	fi
@@ -1267,20 +1489,27 @@ mountroot ()
 	exec 7>&2
 	exec > live.log
 	exec 2>&1
+	tail -f live.log >&7 &
+	tailpid="${!}"
+
+	# Ensure 'panic' function is overridden
+	. /scripts/live-functions
 
 	Arguments
 
 	set_usplash_timeout
-	[ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-premount"
+
+	maybe_break live-premount
+	log_begin_msg "Running /scripts/live-premount"
 	run_scripts /scripts/live-premount
-	[ "${quiet}" != "y" ] && log_end_msg
+	log_end_msg
 
 	# Needed here too because some things (*cough* udev *cough*)
 	# changes the timeout
 
 	set_usplash_timeout
 
-	if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ]
+	if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
 	then
 		if do_netmount
 		then
@@ -1295,7 +1524,8 @@ mountroot ()
 			livefs_root=${ROOT}
 		else
 			# Scan local devices for the image
-			for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
+			i=0
+			while [ "$i" -lt 60 ]
 			do
 				livefs_root=$(find_livefs ${i})
 
@@ -1305,6 +1535,7 @@ mountroot ()
 				fi
 
 				sleep 1
+				i="$(($i + 1))"
 			done
 		fi
 	fi
@@ -1314,6 +1545,11 @@ mountroot ()
 		panic "Unable to find a medium containing a live file system"
 	fi
 
+	if [ "${INTEGRITY_CHECK}" ]
+	then
+		integrity_check "${livefs_root}"
+	fi
+
 	if [ "${TORAM}" ]
 	then
 		live_dest="ram"
@@ -1341,12 +1577,13 @@ mountroot ()
 	log_end_msg
 
 	maybe_break live-bottom
-	[ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
+	log_begin_msg "Running /scripts/live-bottom\n"
 
 	run_scripts /scripts/live-bottom
-	[ "${quiet}" != "y" ] && log_end_msg
+	log_end_msg
 
 	exec 1>&6 6>&-
 	exec 2>&7 7>&-
+	kill ${tailpid}
 	cp live.log "${rootmnt}/var/log/"
 }