branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

49 files changed, 2083 insertions, 0 deletions

diff --git a/package/base-files/files/lib/firstboot/05_firstboot_skip b/package/base-files/files/lib/firstboot/05_firstboot_skip
new file mode 100644
index 000000000..5f44df621
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/05_firstboot_skip
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+check_skip() {
+    if [ "$firstboot_skip_next" = "true" ]; then
+	return 0
+    else 
+	return 1
+    fi
+}
+
diff --git a/package/base-files/files/lib/firstboot/10_determine_parts b/package/base-files/files/lib/firstboot/10_determine_parts
new file mode 100644
index 000000000..3f56e32a8
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_determine_parts
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+set_mtd_part() {
+    partname="rootfs_data"
+    mtdpart="$(find_mtd_part $partname)"
+}
+
+set_rom_part() {
+    rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
+}
+
+set_jffs_part() {
+    jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
+}
+
+determine_mtd_part() {
+    set_mtd_part
+    if [ -z "$mtdpart" ]; then
+	echo "MTD partition not found."
+	exit 1
+    fi
+}
+
+determine_rom_part() {
+    check_skip || {
+	set_rom_part
+	if [ -z "$rom" ]; then
+	    echo "You do not have a squashfs partition; aborting"
+	    echo "(firstboot cannot be run on jffs2 based firmwares)"
+	    exit 1
+	fi
+    }
+}
+
+determine_jffs2_part() {
+    check_skip || {
+	set_jffs_part
+    }
+}
+
+boot_hook_add switch2jffs determine_mtd_part
+boot_hook_add jffs2reset determine_mtd_part
+boot_hook_add switch2jffs determine_rom_part
+boot_hook_add jffs2reset determine_rom_part
+boot_hook_add switch2jffs determine_jffs2_part
+boot_hook_add jffs2reset determine_jffs2_part
diff --git a/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay b/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay
new file mode 100644
index 000000000..8a7d9b066
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_no_fo_clear_overlay
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_clear_overlay() {
+    # switch back to squashfs temporarily
+    pivot /rom /mnt
+
+    # get rid of the old overlay
+    umount -l /mnt
+
+    # another umount to get rid of the bind from /tmp/root
+    umount -l /mnt
+}
+
+boot_hook_add no_fo no_fo_clear_overlay
diff --git a/package/base-files/files/lib/firstboot/10_reset_has_mini_fo b/package/base-files/files/lib/firstboot/10_reset_has_mini_fo
new file mode 100644
index 000000000..4e285840a
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/10_reset_has_mini_fo
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_check_for_overlay() {
+    if grep -qE '(mini_fo|overlay)' /proc/filesystems; then
+	reset_has_fo=true
+    fi
+}
+
+boot_hook_add jffs2reset reset_check_for_overlay
diff --git a/package/base-files/files/lib/firstboot/20_has_mini_fo b/package/base-files/files/lib/firstboot/20_has_mini_fo
new file mode 100644
index 000000000..8ca6a4fe5
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_has_mini_fo
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_for_overlay() {
+    if ! grep -qE '(mini_fo|overlay)' /proc/filesystems; then
+	boot_run_hook no_fo
+	exit 1
+    fi
+}
+
+boot_hook_add switch2jffs check_for_overlay
diff --git a/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs b/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs
new file mode 100644
index 000000000..8a1d4e06d
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_no_fo_mount_jffs
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_mount_jffs() {
+    # initialize jffs2
+    mount "$mtdpart" /overlay -t jffs2 || exit
+    
+    # workaround to ensure that union can attach properly
+    sync
+    ls /overlay >/dev/null
+}
+
+boot_hook_add no_fo no_fo_mount_jffs
diff --git a/package/base-files/files/lib/firstboot/20_reset_clear_jffs b/package/base-files/files/lib/firstboot/20_reset_clear_jffs
new file mode 100644
index 000000000..a3cd24fe9
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/20_reset_clear_jffs
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_clear_jffs() {
+    [ "$reset_has_fo" = "true" ] && {
+	rm -rf $jffs/* 2>&-
+	mount -o remount $jffs / 2>&-
+	exit 0
+    } || reset_has_fo=false
+}
+
+boot_hook_add jffs2reset reset_clear_jffs
diff --git a/package/base-files/files/lib/firstboot/30_is_rootfs_mounted b/package/base-files/files/lib/firstboot/30_is_rootfs_mounted
new file mode 100644
index 000000000..e2ba01d50
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_is_rootfs_mounted
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+skip_if_rootfs_mounted() {
+    mount "$mtdpart" /rom/overlay -t jffs2 || exit
+}
+
+boot_hook_add switch2jffs skip_if_rootfs_mounted
diff --git a/package/base-files/files/lib/firstboot/30_no_fo_pivot b/package/base-files/files/lib/firstboot/30_no_fo_pivot
new file mode 100644
index 000000000..b5c2601ee
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_no_fo_pivot
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_pivot() {
+    # switch to the new (empty) jffs2
+    fopivot /overlay /rom 1
+}
+
+boot_hook_add no_fo no_fo_pivot
diff --git a/package/base-files/files/lib/firstboot/30_reset_copy_rom b/package/base-files/files/lib/firstboot/30_reset_copy_rom
new file mode 100644
index 000000000..d91c68947
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/30_reset_copy_rom
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+reset_copy_rom() {
+    [ "$reset_has_fo" != "true" ] && {
+	dupe $jffs $rom
+	exit 0
+    } 
+}
+
+boot_hook_add jffs2reset reset_copy_rom
diff --git a/package/base-files/files/lib/firstboot/40_copy_ramoverlay b/package/base-files/files/lib/firstboot/40_copy_ramoverlay
new file mode 100644
index 000000000..39c2edacb
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/40_copy_ramoverlay
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+copy_ramoverlay() {
+    # try to avoid fs changing while copying
+    mount -o remount,ro none / 2>&-
+    # copy ramoverlay to jffs2
+    echo -n "copying files ... "
+    cp -a /tmp/root/* /rom/overlay 2>&-
+    echo "done"
+}
+
+boot_hook_add switch2jffs copy_ramoverlay
diff --git a/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay b/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay
new file mode 100644
index 000000000..ced7c1b66
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/40_no_fo_copy_ramoverlay
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_copy_ramoverlay() {
+    # copy ramoverlay to jffs2, must be done after switching
+    # to the new rootfs to avoid creating opaque directories
+    echo -n "copying files ... "
+    cp -a /tmp/root/* / >/dev/null 2>&1
+    sync
+}
+
+boot_hook_add no_fo no_fo_ramoverlay
diff --git a/package/base-files/files/lib/firstboot/50_pivot b/package/base-files/files/lib/firstboot/50_pivot
new file mode 100644
index 000000000..53801d7a8
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/50_pivot
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_pivot() {
+    # switch back to squashfs (temporarily)
+    # and park the ramdisk ontop of /tmp/root
+    pivot /rom /mnt
+    mount -o move /mnt /tmp/root
+
+    # /overlay is the overlay
+    # /rom is the readonly
+    fopivot /overlay /rom
+}
+
+boot_hook_add switch2jffs with_fo_pivot
diff --git a/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup b/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup
new file mode 100644
index 000000000..6dedcb1e8
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/99_10_no_fo_cleanup
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+no_fo_cleanup() {
+    echo "done"
+    umount -l /overlay
+    umount -l /tmp/root
+    exit 0
+}
+
+boot_hook_add no_fo no_fo_cleanup
diff --git a/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup b/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup
new file mode 100644
index 000000000..0181b39d4
--- /dev/null
+++ b/package/base-files/files/lib/firstboot/99_10_with_fo_cleanup
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+with_fo_cleanup() {
+    # try to get rid of /tmp/root
+    # this will almost always fail
+    umount /tmp/root 2>&-
+	grep -q overlay /proc/filesystems && {
+		cd /
+		(
+			cd /overlay
+			find -type l
+		) | while read FILE; do
+			[ -z "$FILE" ] && break
+			if ls -la "$FILE" 2>&- | grep -q '(overlay-whiteout)'; then
+				rm -f "$FILE"
+			fi
+		done
+	}
+    exit 0
+}
+
+boot_hook_add switch2jffs with_fo_cleanup
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
new file mode 100755
index 000000000..b3a3885f2
--- /dev/null
+++ b/package/base-files/files/lib/functions.sh
@@ -0,0 +1,340 @@
+#!/bin/sh
+# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+
+
+debug () {
+	${DEBUG:-:} "$@"
+}
+mount() {
+	busybox mount "$@"
+}
+
+# newline
+N="
+"
+
+_C=0
+NO_EXPORT=1
+LOAD_STATE=1
+LIST_SEP=" "
+
+hotplug_dev() {
+	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
+}
+
+append() {
+	local var="$1"
+	local value="$2"
+	local sep="${3:- }"
+
+	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
+list_contains() {
+	local var="$1"
+	local str="$2"
+	local val
+
+	eval "val=\" \${$var} \""
+	[ "${val%% $str *}" != "$val" ]
+}
+
+list_remove() {
+	local var="$1"
+	local remove="$2"
+	local val
+
+	eval "val=\" \${$var} \""
+	val1="${val%% $remove *}"
+	[ "$val1" = "$val" ] && return
+	val2="${val##* $remove }"
+	[ "$val2" = "$val" ] && return
+	val="${val1## } ${val2%% }"
+	val="${val%% }"
+	eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
+}
+
+config_load() {
+	[ -n "$IPKG_INSTROOT" ] && return 0
+	uci_load "$@"
+}
+
+reset_cb() {
+	config_cb() { return 0; }
+	option_cb() { return 0; }
+	list_cb() { return 0; }
+}
+reset_cb
+
+package() {
+	return 0
+}
+
+config () {
+	local cfgtype="$1"
+	local name="$2"
+
+	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
+	name="${name:-cfg$CONFIG_NUM_SECTIONS}"
+	append CONFIG_SECTIONS "$name"
+	[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
+	export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
+	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
+}
+
+option () {
+	local varname="$1"; shift
+	local value="$*"
+
+	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
+	[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
+}
+
+list() {
+	local varname="$1"; shift
+	local value="$*"
+	local len
+
+	config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
+	[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
+	len=$(($len + 1))
+	config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
+	config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
+	append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
+	list_cb "$varname" "$*"
+}
+
+config_rename() {
+	local OLD="$1"
+	local NEW="$2"
+	local oldvar
+	local newvar
+
+	[ -n "$OLD" -a -n "$NEW" ] || return
+	for oldvar in `set | grep ^CONFIG_${OLD}_ | \
+		sed -e 's/\(.*\)=.*$/\1/'` ; do
+		newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
+		eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
+		unset "$oldvar"
+	done
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
+
+	[ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
+}
+
+config_unset() {
+	config_set "$1" "$2" ""
+}
+
+config_clear() {
+	local SECTION="$1"
+	local oldvar
+
+	list_remove CONFIG_SECTIONS "$SECTION"
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
+
+	for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
+		sed -e 's/\(.*\)=.*$/\1/'` ; do
+		unset $oldvar
+	done
+}
+
+# config_get <variable> <section> <option> [<default>]
+# config_get <section> <option>
+config_get() {
+	case "$3" in
+		"") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
+		*)  eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
+	esac
+}
+
+# config_get_bool <variable> <section> <option> [<default>]
+config_get_bool() {
+	local _tmp
+	config_get _tmp "$2" "$3" "$4"
+	case "$_tmp" in
+		1|on|true|enabled) _tmp=1;;
+		0|off|false|disabled) _tmp=0;;
+		*) _tmp="$4";;
+	esac
+	export ${NO_EXPORT:+-n} "$1=$_tmp"
+}
+
+config_set() {
+	local section="$1"
+	local option="$2"
+	local value="$3"
+	local old_section="$CONFIG_SECTION"
+
+	CONFIG_SECTION="$section"
+	option "$option" "$value"
+	CONFIG_SECTION="$old_section"
+}
+
+config_foreach() {
+	local ___function="$1"
+	[ "$#" -ge 1 ] && shift
+	local ___type="$1"
+	[ "$#" -ge 1 ] && shift
+	local section cfgtype
+
+	[ -z "$CONFIG_SECTIONS" ] && return 0
+	for section in ${CONFIG_SECTIONS}; do
+		config_get cfgtype "$section" TYPE
+		[ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
+		eval "$___function \"\$section\" \"\$@\""
+	done
+}
+
+config_list_foreach() {
+	[ "$#" -ge 3 ] || return 0
+	local section="$1"; shift
+	local option="$1"; shift
+	local function="$1"; shift
+	local val
+	local len
+	local c=1
+
+	config_get len "${section}" "${option}_LENGTH"
+	[ -z "$len" ] && return 0
+	while [ $c -le "$len" ]; do
+		config_get val "${section}" "${option}_ITEM$c"
+		eval "$function \"\$val\" \"$@\""
+		c="$(($c + 1))"
+	done
+}
+
+load_modules() {
+	[ -d /etc/modules.d ] && {
+		cd /etc/modules.d
+		sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+	}
+}
+
+include() {
+	local file
+
+	for file in $(ls $1/*.sh 2>/dev/null); do
+		. $file
+	done
+}
+
+find_mtd_part() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	local PREFIX=/dev/mtdblock
+
+	PART="${PART##mtd}"
+	[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+	echo "${PART:+$PREFIX$PART}"
+}
+
+strtok() { # <string> { <variable> [<separator>] ... }
+	local tmp
+	local val="$1"
+	local count=0
+
+	shift
+
+	while [ $# -gt 1 ]; do
+		tmp="${val%%$2*}"
+
+		[ "$tmp" = "$val" ] && break
+
+		val="${val#$tmp$2}"
+
+		export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
+		shift 2
+	done
+
+	if [ $# -gt 0 -a -n "$val" ]; then
+		export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
+	fi
+
+	return $count
+}
+
+
+jffs2_mark_erase() {
+	local part="$(find_mtd_part "$1")"
+	[ -z "$part" ] && {
+		echo Partition not found.
+		return 1
+	}
+	echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
+}
+
+uci_apply_defaults() {
+	cd /etc/uci-defaults || return 0
+	files="$(ls)"
+	[ -z "$files" ] && return 0
+	mkdir -p /tmp/.uci
+	for file in $files; do
+		( . "./$(basename $file)" ) && rm -f "$file"
+	done
+	uci commit
+}
+
+group_add() {
+	local name="$1"
+	local gid="$2"
+	local rc
+	[ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
+	[ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
+	echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
+	rc=$?
+	[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
+	return $rc
+}
+
+group_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
+}
+
+user_add() {
+	local name="${1}"
+	local uid="${2}"
+	local gid="${3:-$2}"
+	local desc="${4:-$1}"
+	local home="${5:-/var/run/$1}"
+	local shell="${6:-/bin/false}"
+	local rc
+	[ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
+	[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
+	echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
+	echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow
+	rc=$?
+	[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
+	return $rc
+}
+
+user_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
+}
+
+
+pi_include() {
+	if [ -f "/tmp/overlay/$1" ]; then
+		. "/tmp/overlay/$1"
+	elif [ -f "$1" ]; then
+		. "$1"
+	elif [ -d "/tmp/overlay/$1" ]; then
+		if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
+			for src_script in /tmp/overlay/$1/*.sh; do
+				. "$src_script"
+			done
+		fi
+	elif [ -d "$1" ]; then
+		if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
+			for src_script in $1/*.sh; do
+				. "$src_script"
+			done
+		fi
+	else
+		echo "WARNING: $1 not found"
+		return 1
+	fi
+	return 0
+}
+
+[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
diff --git a/package/base-files/files/lib/functions/boot.sh b/package/base-files/files/lib/functions/boot.sh
new file mode 100644
index 000000000..8c3f27ba4
--- /dev/null
+++ b/package/base-files/files/lib/functions/boot.sh
@@ -0,0 +1,150 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount() {
+	/bin/busybox mount -o noatime "$@"
+}
+
+boot_hook_splice_start() {
+	export -n PI_HOOK_SPLICE=1
+}
+
+boot_hook_splice_finish() {
+	local hook
+	for hook in $PI_STACK_LIST; do
+		local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook"
+		export -n "${hook}=${v% }"
+		export -n "${hook}_splice="
+	done
+	export -n PI_HOOK_SPLICE=
+}
+
+boot_hook_init() {
+	local hook="${1}_hook"
+	export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook"
+	export -n "$hook="
+}
+
+boot_hook_add() {
+	local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}"
+	local func="${2}"
+
+	[ -n "$func" ] && {
+		local v; eval "v=\$$hook"
+		export -n "$hook=${v:+$v }$func"
+	}
+}
+
+boot_hook_shift() {
+	local hook="${1}_hook"
+	local rvar="${2}"
+
+	local v; eval "v=\$$hook"
+	[ -n "$v" ] && {
+		local first="${v%% *}"
+
+		[ "$v" != "${v#* }" ] && \
+			export -n "$hook=${v#* }" || \
+			export -n "$hook="
+
+		export -n "$rvar=$first"
+		return 0
+	}
+
+	return 1
+}
+
+boot_run_hook() {
+	local hook="$1"
+	local func
+
+	while boot_hook_shift "$hook" func; do
+		local ran; eval "ran=\$PI_RAN_$func"
+		[ -n "$ran" ] || {
+			export -n "PI_RAN_$func=1"
+			$func "$1" "$2"
+		}
+	done
+}
+
+find_mtd_part() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	local PREFIX=/dev/mtdblock
+
+	PART="${PART##mtd}"
+	[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+	echo "${PART:+$PREFIX$PART}"
+}
+
+jffs2_ready () {
+	mtdpart="$(find_mtd_part rootfs_data)"
+	[ -z "$mtdpart" ] && return 1
+	magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
+	[ "$magic" != "deadc0de" ]
+}
+
+dupe() { # <new_root> <old_root>
+	cd $1
+	echo -n "creating directories... "
+	{
+		cd $2
+		find . -xdev -type d
+		echo "./dev ./overlay ./mnt ./proc ./tmp"
+		# xdev skips mounted directories
+		cd $1
+	} | xargs mkdir -p
+	echo "done"
+
+	echo -n "setting up symlinks... "
+	for file in $(cd $2; find . -xdev -type f;); do
+		case "$file" in
+		./rom/note) ;; #nothing
+		./etc/config*|\
+		./usr/lib/opkg/info/*) cp -af $2/$file $file;;
+		*) ln -sf /rom/${file#./*} $file;;
+		esac
+	done
+	for file in $(cd $2; find . -xdev -type l;); do
+		cp -af $2/${file#./*} $file
+	done
+	echo "done"
+}
+
+pivot() { # <new_root> <old_root>
+	mount -o move /proc $1/proc && \
+	pivot_root $1 $1$2 && {
+		mount -o move $2/dev /dev
+		mount -o move $2/tmp /tmp
+		mount -o move $2/sys /sys 2>&-
+		mount -o move $2/overlay /overlay 2>&-
+		return 0
+	}
+}
+
+fopivot() { # <rw_root> <ro_root> <dupe?>
+	root=$1
+	{
+		if grep -q overlay /proc/filesystems; then
+			mount -t overlayfs -olowerdir=/,upperdir=$1 "overlayfs:$1" /mnt && root=/mnt
+		elif grep -q mini_fo /proc/filesystems; then
+			mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
+		else
+			mount --bind / /mnt
+			mount --bind -o union "$1" /mnt && root=/mnt
+		fi
+	} || {
+		[ "$3" = "1" ] && {
+		mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
+		dupe $1 $rom
+		}
+	}
+	pivot $root $2
+}
+
+ramoverlay() {
+	mkdir -p /tmp/root
+	mount -t tmpfs -o mode=0755 root /tmp/root
+	fopivot /tmp/root /rom 1
+}
+
diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
new file mode 100644
index 000000000..a4652569b
--- /dev/null
+++ b/package/base-files/files/lib/functions/network.sh
@@ -0,0 +1,170 @@
+. /usr/share/libubox/jshn.sh
+
+__network_ipaddr()
+{
+	local __var="$1"
+	local __iface="$2"
+	local __family="$3"
+	local __prefix="${4:-0}"
+
+	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+
+	json_load "${__tmp:-{}}"
+	json_get_type __tmp "ipv${__family}_address"
+
+	if [ "$__tmp" = array ]; then
+
+		json_select "ipv${__family}_address"
+		json_get_type __tmp 1
+
+		if [ "$__tmp" = object ]; then
+
+			json_select 1
+			json_get_var $__var address
+
+			[ $__prefix -gt 0 ] && {
+				json_get_var __tmp mask
+				eval "export -- \"$__var=\${$__var}/$__tmp\""
+			}
+
+			return 0
+		fi
+	fi
+
+	return 1
+}
+
+network_get_ipaddr()  { __network_ipaddr "$1" "$2" 4 0; }
+network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; }
+
+network_get_subnet()  { __network_ipaddr "$1" "$2" 4 1; }
+network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
+
+
+__network_gateway()
+{
+	local __var="$1"
+	local __iface="$2"
+	local __family="$3"
+
+	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+	local __idx=1
+
+	json_load "${__tmp:-{}}"
+
+	if json_get_type __tmp route && [ "$__tmp" = array ]; then
+
+		json_select route
+
+		while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
+
+			json_select "$((__idx++))"
+			json_get_var __tmp target
+
+			case "${__family}/${__tmp}" in
+				4/0.0.0.0|6/::)
+					json_get_var "$__var" nexthop
+					return $?
+				;;
+			esac
+
+			json_select ".."
+
+		done
+	fi
+
+	return 1
+}
+
+network_get_gateway()  { __network_gateway "$1" "$2" 4; }
+network_get_gateway6() { __network_gateway "$1" "$2" 6; }
+
+
+__network_dns() {
+	local __var="$1"
+	local __iface="$2"
+	local __field="$3"
+
+	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+	local __dns=""
+	local __idx=1
+
+	json_load "${__tmp:-{}}"
+
+	if json_get_type __tmp "$__field" && [ "$__tmp" = array ]; then
+
+		json_select "$__field"
+
+		while json_get_type __tmp "$__idx" && [ "$__tmp" = string ]; do
+
+			json_get_var __tmp "$((__idx++))"
+			__dns="${__dns:+$__dns }$__tmp"
+
+		done
+	fi
+
+	eval "export -- \"$__var=$__dns\""
+	[ -n "$__dns" ]
+}
+
+network_get_dnsserver() { __network_dns "$1" "$2" dns_server; }
+network_get_dnssearch() { __network_dns "$1" "$2" dns_search; }
+
+
+__network_wan() {
+	local __var="$1"
+	local __family="$2"
+	local __iface
+
+	for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do
+		if __network_gateway "$__var" "$__iface" "$__family"; then
+			eval "export -- \"$__var=$__iface\""
+			return 0
+		fi
+	done
+
+	eval "export -- \"$__var=\""
+	return 1
+}
+
+network_find_wan()  { __network_wan "$1" 4; }
+network_find_wan6() { __network_wan "$1" 6; }
+
+
+__network_device()
+{
+	local __var="$1"
+	local __iface="$2"
+	local __field="$3"
+
+	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+	[ -n "$__tmp" ] || return 1
+
+	json_load "$__tmp"
+	json_get_var "$__var" "$__field"
+}
+
+network_is_up()
+{
+	local __up
+	__network_device __up "$1" up && [ $__up -eq 1 ]
+}
+
+network_get_device()  { __network_device "$1" "$2" l3_device; }
+network_get_physdev() { __network_device "$1" "$2" device;    }
+
+
+__network_defer()
+{
+	local __device="$1"
+	local __defer="$2"
+
+	json_init
+	json_add_string name "$__device"
+	json_add_boolean defer "$__defer"
+
+	ubus call network.device set_state "$(json_dump)" 2>/dev/null
+}
+
+network_defer_device() { __network_defer "$1" 1; }
+network_ready_device() { __network_defer "$1" 0; }
diff --git a/package/base-files/files/lib/functions/service.sh b/package/base-files/files/lib/functions/service.sh
new file mode 100644
index 000000000..cbb717d4d
--- /dev/null
+++ b/package/base-files/files/lib/functions/service.sh
@@ -0,0 +1,129 @@
+#
+# service: simple wrapper around start-stop-daemon
+#
+# Usage: service ACTION EXEC ARGS...
+#
+# Action:
+#   -C   check if EXEC is alive
+#   -S   start EXEC, passing it ARGS as its arguments
+#   -K   kill EXEC, sending it a TERM signal if not specified otherwise
+#
+# Environment variables exposed:
+#   SERVICE_DAEMONIZE    run EXEC in background
+#   SERVICE_WRITE_PID    create a pid-file and use it for matching
+#   SERVICE_MATCH_EXEC   use EXEC command-line for matching (default)
+#   SERVICE_MATCH_NAME   use EXEC process name for matching
+#   SERVICE_USE_PID      assume EXEC create its own pid-file and use it for matching
+#   SERVICE_NAME         process name to use (default to EXEC file part)
+#   SERVICE_PID_FILE     pid file to use (default to /var/run/$SERVICE_NAME.pid)
+#   SERVICE_SIG          signal to send when using -K
+#   SERVICE_SIG_RELOAD   default signal used when reloading
+#   SERVICE_SIG_STOP     default signal used when stopping
+#   SERVICE_STOP_TIME    time to wait for a process to stop gracefully before killing it
+#   SERVICE_UID          user EXEC should be run as
+#   SERVICE_GID          group EXEC should be run as
+#
+#   SERVICE_DEBUG        don't do anything, but show what would be done
+#   SERVICE_QUIET        don't print anything
+#
+
+SERVICE_QUIET=1
+SERVICE_SIG_RELOAD="HUP"
+SERVICE_SIG_STOP="TERM"
+SERVICE_STOP_TIME=5
+SERVICE_MATCH_EXEC=1
+
+service() {
+	local ssd
+	local exec
+	local name
+	local start
+	ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
+	case "$1" in
+	  -C)
+		ssd="$ssd -K -t"
+		;;
+	  -S)
+		ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
+		start=1
+		;;
+	  -K)
+		ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
+		;;
+	  *)
+		echo "service: unknown ACTION '$1'" 1>&2
+		return 1
+	esac
+	shift
+	exec="$1"
+	[ -n "$exec" ] || {
+		echo "service: missing argument" 1>&2
+		return 1
+	}
+	[ -x "$exec" ] || {
+		echo "service: file '$exec' is not executable" 1>&2
+		return 1
+	}
+	name="${SERVICE_NAME:-${exec##*/}}"
+	[ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \
+		|| ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}"
+	[ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name"
+	ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
+	[ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec"
+	shift
+	$ssd${1:+ -- "$@"}
+}
+
+service_check() {
+	service -C "$@"
+}
+
+service_signal() {
+	SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
+}
+
+service_start() {
+	service -S "$@"
+}
+
+service_stop() {
+	local try
+	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
+	while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
+		service -C "$@" || return 0
+		sleep 1
+	done
+	SERVICE_SIG="KILL" service -K "$@"
+	sleep 1
+	! service -C "$@"
+}
+
+service_reload() {
+	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
+}
+
+service_kill() {
+	cat 1>&2 << __END_OF_WARNING__
+#
+# WARNING: the 'service_kill' function is now deprecated and might be
+# removed soon. Consider using the other new service_* wrappers instead.
+#
+__END_OF_WARNING__
+	local name="${1}"
+	local pid="${2:-$(pidof "$name")}"
+	local grace="${3:-5}"
+
+	[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
+
+	for pid in $pid; do
+		[ -d "/proc/$pid" ] || continue
+		local try=0
+		kill -TERM $pid 2>/dev/null && \
+			while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
+		kill -KILL $pid 2>/dev/null && \
+			while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
+	done
+}
+
+
+
diff --git a/package/base-files/files/lib/functions/uci-defaults.sh b/package/base-files/files/lib/functions/uci-defaults.sh
new file mode 100644
index 000000000..477c00cfd
--- /dev/null
+++ b/package/base-files/files/lib/functions/uci-defaults.sh
@@ -0,0 +1,230 @@
+#!/bin/sh
+# Copyright (C) 2011 OpenWrt.org
+
+UCIDEF_LEDS_CHANGED=0
+
+ucidef_set_led_netdev() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local dev=$4
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.trigger='netdev'
+set system.$cfg.dev='$dev'
+set system.$cfg.mode='link tx rx'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_led_usbdev() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local dev=$4
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.trigger='usbdev'
+set system.$cfg.dev='$dev'
+set system.$cfg.interval='50'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_led_wlan() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local trigger=$4
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.trigger='$trigger'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_led_switch() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local trigger=$4
+	local port_mask=$5
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.trigger='$trigger'
+set system.$cfg.port_mask='$port_mask'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_led_default() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local default=$4
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.default='$default'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_led_rssi() {
+	local cfg="led_$1"
+	local name=$2
+	local sysfs=$3
+	local iface=$4
+	local minq=$5
+	local maxq=$6
+	local offset=$7
+	local factor=$8
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='led'
+set system.$cfg.name='$name'
+set system.$cfg.sysfs='$sysfs'
+set system.$cfg.trigger='rssi'
+set system.$cfg.iface='rssid_$iface'
+set system.$cfg.minq='$minq'
+set system.$cfg.maxq='$maxq'
+set system.$cfg.offset='$offset'
+set system.$cfg.factor='$factor'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_set_rssimon() {
+	local dev="$1"
+	local refresh="$2"
+	local threshold="$3"
+
+	local cfg="rssid_$dev"
+
+	uci -q get system.$cfg && return 0
+
+	uci batch <<EOF
+set system.$cfg='rssid'
+set system.$cfg.dev='$dev'
+set system.$cfg.refresh='$refresh'
+set system.$cfg.threshold='$threshold'
+EOF
+	UCIDEF_LEDS_CHANGED=1
+}
+
+ucidef_commit_leds()
+{
+	[ "$UCIDEF_LEDS_CHANGED" == "1" ] && uci commit system
+}
+
+ucidef_set_interface_loopback() {
+	uci batch <<EOF
+set network.loopback='interface'
+set network.loopback.ifname='lo'
+set network.loopback.proto='static'
+set network.loopback.ipaddr='127.0.0.1'
+set network.loopback.netmask='255.0.0.0'
+EOF
+}
+
+ucidef_set_interface_raw() {
+	local cfg=$1
+	local ifname=$2
+
+	uci batch <<EOF
+set network.$cfg='interface'
+set network.$cfg.ifname='$ifname'
+set network.$cfg.proto='none'
+EOF
+}
+
+ucidef_set_interface_lan() {
+	local ifname=$1
+
+	uci batch <<EOF
+set network.lan='interface'
+set network.lan.ifname='$ifname'
+set network.lan.type='bridge'
+set network.lan.proto='static'
+set network.lan.ipaddr='192.168.1.1'
+set network.lan.netmask='255.255.255.0'
+EOF
+}
+
+ucidef_set_interface_wan() {
+	local ifname=$1
+
+	uci batch <<EOF
+set network.wan='interface'
+set network.wan.ifname='$ifname'
+set network.wan.proto='dhcp'
+EOF
+}
+
+ucidef_set_interfaces_lan_wan() {
+	local lan_ifname=$1
+	local wan_ifname=$2
+
+	ucidef_set_interface_lan "$lan_ifname"
+	ucidef_set_interface_wan "$wan_ifname"
+}
+
+ucidef_set_interface_macaddr() {
+	local ifname=$1
+	local mac=$2
+
+	uci batch <<EOF
+set network.$ifname.macaddr='$mac'
+EOF
+}
+
+ucidef_add_switch() {
+	local name=$1
+	local reset=$2
+	local enable=$3
+	uci batch <<EOF
+add network switch
+set network.@switch[-1].name='$name'
+set network.@switch[-1].reset='$reset'
+set network.@switch[-1].enable_vlan='$enable'
+EOF
+}
+
+ucidef_add_switch_vlan() {
+	local device=$1
+	local vlan=$2
+	local ports=$3
+	uci batch <<EOF
+add network switch_vlan
+set network.@switch_vlan[-1].device='$device'
+set network.@switch_vlan[-1].vlan='$vlan'
+set network.@switch_vlan[-1].ports='$ports'
+EOF
+}
+
diff --git a/package/base-files/files/lib/preinit/02_default_set_state b/package/base-files/files/lib/preinit/02_default_set_state
new file mode 100644
index 000000000..df4339572
--- /dev/null
+++ b/package/base-files/files/lib/preinit/02_default_set_state
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+define_default_set_state() {
+	. /etc/diag.sh
+}
+
+boot_hook_add preinit_main define_default_set_state
diff --git a/package/base-files/files/lib/preinit/05_mount_skip b/package/base-files/files/lib/preinit/05_mount_skip
new file mode 100644
index 000000000..c2b7ee79d
--- /dev/null
+++ b/package/base-files/files/lib/preinit/05_mount_skip
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+check_skip() {
+    if [ "$pi_mount_skip_next" = "true" ]; then
+	return 0
+    else 
+	return 1
+    fi
+}
+
diff --git a/package/base-files/files/lib/preinit/10_check_for_mtd b/package/base-files/files/lib/preinit/10_check_for_mtd
new file mode 100644
index 000000000..66f185e1a
--- /dev/null
+++ b/package/base-files/files/lib/preinit/10_check_for_mtd
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_mtd() {
+    mtd unlock rootfs
+    mount -o remount,rw /dev/root /
+}
+
+check_for_mtd() {
+    check_skip || {
+	grep -qs rootfs_data /proc/mtd || {
+	    mount_no_mtd && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_mtd
+
diff --git a/package/base-files/files/lib/preinit/10_essential_fs b/package/base-files/files/lib/preinit/10_essential_fs
new file mode 100644
index 000000000..ab317dc20
--- /dev/null
+++ b/package/base-files/files/lib/preinit/10_essential_fs
@@ -0,0 +1,25 @@
+#!/bin/sh 
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_procfs() {
+   mount proc /proc -t proc
+}
+
+do_mount_sysfs() {
+    mount sysfs /sys -t sysfs
+}
+
+calc_tmpfs_size() {
+    pi_size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)&&(mt>l)?mt-l:s}' /proc/meminfo)
+}
+
+do_mount_tmpfs() {
+    calc_tmpfs_size
+    mount tmpfs /tmp -t tmpfs -o size=$pi_size,nosuid,nodev,mode=1777
+}
+
+boot_hook_add preinit_essential do_mount_procfs
+boot_hook_add preinit_essential do_mount_sysfs
+boot_hook_add preinit_essential do_mount_tmpfs
+
diff --git a/package/base-files/files/lib/preinit/10_indicate_failsafe b/package/base-files/files/lib/preinit/10_indicate_failsafe
new file mode 100644
index 000000000..7761fd3be
--- /dev/null
+++ b/package/base-files/files/lib/preinit/10_indicate_failsafe
@@ -0,0 +1,18 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+# commands for emitting messages to network in failsafe mode
+
+indicate_failsafe_led () {
+    set_state failsafe
+}
+
+indicate_failsafe() {
+    echo "- failsafe -"
+    preinit_net_echo "Entering Failsafe!\n"
+    indicate_failsafe_led
+}
+
+boot_hook_add failsafe indicate_failsafe
+
diff --git a/package/base-files/files/lib/preinit/10_indicate_preinit b/package/base-files/files/lib/preinit/10_indicate_preinit
new file mode 100644
index 000000000..ab6930518
--- /dev/null
+++ b/package/base-files/files/lib/preinit/10_indicate_preinit
@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+preinit_ip() {
+    # if the preinit interface isn't specified and ifname is set in 
+    # preinit.arch use that interface
+    if [ -z "$pi_ifname" ]; then
+	pi_ifname=$ifname    
+    fi
+
+    [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
+	ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
+    }
+}
+
+preinit_ip_deconfig() {
+    [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
+	ifconfig $pi_ifname 0.0.0.0 down
+    }
+}
+
+preinit_net_echo() {
+	[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
+		{ 
+			[ "$pi_preinit_net_messages" = "y" ] || {
+    		     		[ "$pi_failsafe_net_message"  = "true" ] && 
+    		         	    [ "$pi_preinit_no_failsafe_netmsg" != "y" ] 
+    		         }
+	    			
+		} && netmsg $pi_broadcast "$1"
+    	}
+}
+
+preinit_echo() {
+    preinit_net_echo $1
+    echo $1
+}
+
+pi_indicate_led() {
+    set_state preinit
+}
+
+pi_indicate_preinit() {
+    echo "- preinit -"
+    preinit_net_echo "Doing OpenWRT Preinit\n"
+    pi_indicate_led
+}
+
+boot_hook_add preinit_main preinit_ip
+boot_hook_add preinit_main pi_indicate_preinit
+
diff --git a/package/base-files/files/lib/preinit/20_check_jffs2_ready b/package/base-files/files/lib/preinit/20_check_jffs2_ready
new file mode 100644
index 000000000..3c5cf67e8
--- /dev/null
+++ b/package/base-files/files/lib/preinit/20_check_jffs2_ready
@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+mount_no_jffs2() {
+    echo "jffs2 not ready yet; using ramdisk"
+    ramoverlay
+}
+
+check_for_jffs2() {
+    check_skip || {
+	jffs2_ready || {
+	    mount_no_jffs2 && pi_mount_skip_next=true
+	}
+    }
+}
+
+boot_hook_add preinit_mount_root check_for_jffs2
+
diff --git a/package/base-files/files/lib/preinit/20_device_fs_mount b/package/base-files/files/lib/preinit/20_device_fs_mount
new file mode 100644
index 000000000..832b1cf39
--- /dev/null
+++ b/package/base-files/files/lib/preinit/20_device_fs_mount
@@ -0,0 +1,37 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_move_devtmpfs() {
+    local mnt="$(grep devtmpfs /proc/mounts)"
+          mnt="${mnt#* }"; mnt="${mnt%% *}"
+
+    [ "$mnt" = "/dev" ] || mount -o move "$mnt" /dev
+}
+
+do_mount_devfs() {
+    mount devfs /dev -t devfs
+}
+
+do_mount_hotplug() {
+    mount -t tmpfs tmpfs /dev -o mode=0755,size=512K
+}
+
+do_mount_udev() {
+    mount -n -t tmpfs -o mode=0755 udev /dev
+}
+
+choose_device_fs() {
+    if grep -q devtmpfs /proc/mounts; then
+    	do_move_devtmpfs
+    elif grep -q devfs /proc/filesystems; then
+        do_mount_devfs
+    elif [ -x /sbin/hotplug2 ]; then
+        do_mount_hotplug
+    elif [ -x /sbin/udevd ]; then
+        do_mount_udev
+    fi
+}
+
+boot_hook_add preinit_essential choose_device_fs
+
diff --git a/package/base-files/files/lib/preinit/30_device_fs_daemons b/package/base-files/files/lib/preinit/30_device_fs_daemons
new file mode 100644
index 000000000..5b3e2ad00
--- /dev/null
+++ b/package/base-files/files/lib/preinit/30_device_fs_daemons
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_devfs() {
+    HOTPLUG=/sbin/hotplug-call
+}
+
+init_hotplug2() {
+    [ -c /dev/console ] || mknod /dev/console c 5 1
+    /sbin/hotplug2 --set-worker /lib/hotplug2/worker_fork.so --set-rules-file /etc/hotplug2-init.rules --no-persistent --set-coldplug-cmd /sbin/udevtrigger
+    /sbin/hotplug2 --set-worker /lib/hotplug2/worker_fork.so --set-rules-file /etc/hotplug2-init.rules --persistent &
+}
+
+init_udev() {
+    [ -d /lib/udev/devices ] && cp -af /lib/udev/devices/* /dev/
+    [ -c /dev/console ] || mknod -m 0600 /dev/console c 5 1
+    [ -c /dev/null ] || mknod -m 0666 /dev/null c 1 3
+    /sbin/udevd --daemon --resolve-names=never
+    /sbin/udevadm trigger
+    /sbin/udevadm settle    
+}
+
+init_device_fs() {
+    HOTPLUG=
+    if grep -q devfs /proc/filesystems; then
+	init_devfs
+    elif [ -x /sbin/hotplug2 ]; then
+	init_hotplug2
+    elif [ -x /sbin/udevd ]; then
+	init_udev
+    fi
+}
+
+boot_hook_add preinit_essential init_device_fs
+
diff --git a/package/base-files/files/lib/preinit/30_failsafe_wait b/package/base-files/files/lib/preinit/30_failsafe_wait
new file mode 100644
index 000000000..04dc57df2
--- /dev/null
+++ b/package/base-files/files/lib/preinit/30_failsafe_wait
@@ -0,0 +1,85 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+fs_wait_for_key () {
+    local timeout=$3
+    local timer
+    local do_failsafe
+    local keypress_true="$(mktemp)"
+    local keypress_wait="$(mktemp)"
+    local keypress_sec="$(mktemp)"
+    if [ -z "$keypress_wait" ]; then
+	keypress_wait=/tmp/.keypress_wait
+	touch $keypress_wait
+    fi
+    if [ -z "$keypress_true" ]; then
+	keypress_true=/tmp/.keypress_true
+	touch $keypress_true
+    fi
+    if [ -z "$keypress_sec" ]; then
+	keypress_sec=/tmp/.keypress_sec
+	touch $keypress_sec
+    fi
+
+    trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" INT
+    trap "echo 'true' >$keypress_true; lock -u $keypress_wait ; rm -f $keypress_wait" USR1
+
+    [ -n "$timeout" ] || timeout=1
+    [ $timeout -ge 1 ] || timeout=1
+    timer=$timeout
+    lock $keypress_wait
+    {
+	while [ $timer -gt 0 ]; do
+            echo "$timer" >$keypress_sec
+	    timer=$(($timer - 1))
+	    sleep 1
+	done
+	lock -u $keypress_wait
+	rm -f $keypress_wait
+    } &
+
+    echo "Press the [$1] key and hit [enter] $2"
+    # if we're on the console we wait for input
+    { 
+	while [ -r $keypress_wait ]; do
+	    timer="$(cat $keypress_sec)"
+
+	    [ -n "$timer" ] || timer=1
+	    timer="${timer%%\ *}"
+	    [ $timer -ge 1 ] || timer=1
+	    do_failsafe=""
+	    {
+		read -t "$timer" do_failsafe
+		if [ "$do_failsafe" = "$1" ]; then
+		    echo "true" >$keypress_true
+		    lock -u $keypress_wait
+		    rm -f $keypress_wait
+ 		fi
+	    }
+	done
+    }
+    lock -w $keypress_wait
+
+    trap - INT
+    trap - USR1
+
+    keypressed=1
+    [ "$(cat $keypress_true)" = "true" ] && keypressed=0
+    rm -f $keypress_true
+    rm -f $keypress_wait
+    rm -f $keypress_sec
+    
+    return $keypressed
+}
+
+failsafe_wait() {
+    FAILSAFE=
+    pi_failsafe_net_message=true
+    preinit_net_echo "Please press button now to enter failsafe"
+    pi_failsafe_net_message=false
+    fs_wait_for_key f 'to enter failsafe mode' $fs_failsafe_wait_timeout && FAILSAFE=true && export FAILSAFE
+}
+
+boot_hook_add preinit_main failsafe_wait
+
diff --git a/package/base-files/files/lib/preinit/40_init_shm b/package/base-files/files/lib/preinit/40_init_shm
new file mode 100644
index 000000000..8971116a4
--- /dev/null
+++ b/package/base-files/files/lib/preinit/40_init_shm
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_shm() {
+    [ -d /dev/shm ] || mkdir -p /dev/shm
+}
+
+boot_hook_add preinit_essential init_shm
+
diff --git a/package/base-files/files/lib/preinit/40_mount_devpts b/package/base-files/files/lib/preinit/40_mount_devpts
new file mode 100644
index 000000000..2d5010b91
--- /dev/null
+++ b/package/base-files/files/lib/preinit/40_mount_devpts
@@ -0,0 +1,15 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_devpts() {
+    [ -d /dev/pts ] || mkdir -p /dev/pts
+}
+
+do_mount_devpts() {
+    mount devpts /dev/pts -t devpts
+}
+
+boot_hook_add preinit_essential init_devpts
+boot_hook_add preinit_essential do_mount_devpts
+
diff --git a/package/base-files/files/lib/preinit/40_mount_jffs2 b/package/base-files/files/lib/preinit/40_mount_jffs2
new file mode 100644
index 000000000..00f45a890
--- /dev/null
+++ b/package/base-files/files/lib/preinit/40_mount_jffs2
@@ -0,0 +1,26 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+find_mount_jffs2() {
+    mkdir -p /tmp/overlay
+    mount "$(find_mtd_part rootfs_data)" /tmp/overlay -t jffs2
+    mtd -qq unlock rootfs_data
+}
+
+jffs2_not_mounted() {
+    if [ "$pi_jffs2_mount_success" != "true" ]; then
+	return 0
+    else
+	return 1
+    fi
+}
+
+do_mount_jffs2() {
+    check_skip || {
+	find_mount_jffs2 && pi_jffs2_mount_success=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_jffs2
+
diff --git a/package/base-files/files/lib/preinit/40_run_failsafe_hook b/package/base-files/files/lib/preinit/40_run_failsafe_hook
new file mode 100644
index 000000000..faa043c17
--- /dev/null
+++ b/package/base-files/files/lib/preinit/40_run_failsafe_hook
@@ -0,0 +1,13 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+run_failsafe_hook() {
+    if [ "$FAILSAFE" = "true" ]; then
+	boot_run_hook failsafe
+	lock -w /tmp/.failsafe
+    fi
+}
+
+boot_hook_add preinit_main run_failsafe_hook
+
diff --git a/package/base-files/files/lib/preinit/41_merge_overlay_hooks b/package/base-files/files/lib/preinit/41_merge_overlay_hooks
new file mode 100644
index 000000000..4ca6877be
--- /dev/null
+++ b/package/base-files/files/lib/preinit/41_merge_overlay_hooks
@@ -0,0 +1,24 @@
+#!/bin/sh
+# Copyright (C) 2010 OpenWrt.org
+
+merge_overlay_hooks() {
+	jffs2_not_mounted || [ ! -d /tmp/overlay/lib/preinit ] || {
+		echo "- merge overlay components -"
+
+		mkdir -p /tmp/preinit-hook-merge
+		ln -sf /lib/preinit/* /tmp/overlay/lib/preinit/[0-9][0-9]_* /tmp/preinit-hook-merge/
+
+		boot_hook_splice_start
+
+		local pipart
+		for pipart in /tmp/preinit-hook-merge/*; do
+			. $pipart
+		done
+
+		boot_hook_splice_finish
+
+		rm -rf /tmp/preinit-hook-merge
+	}
+}
+
+boot_hook_add preinit_mount_root merge_overlay_hooks
diff --git a/package/base-files/files/lib/preinit/50_choose_console b/package/base-files/files/lib/preinit/50_choose_console
new file mode 100644
index 000000000..ecbc2eaf4
--- /dev/null
+++ b/package/base-files/files/lib/preinit/50_choose_console
@@ -0,0 +1,31 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+choose_console() {
+    # the shell really doesn't like having stdin/out closed
+    # that's why we use /dev/pty/m0 and m1 (or equivalent) as replacement
+    # for /dev/console if there's no serial console available
+
+    if grep -q devfs /proc/filesystems; then
+	M0=/dev/pty/m0
+	M1=/dev/pty/m1
+	M2=/dev/pty/m1
+    elif [ -x /sbin/hotplug2 ]; then
+	M0=/dev/ptmx
+	M1=/dev/ptmx
+	M2=/dev/ptmx
+    elif [ -x /sbin/udevd ]; then
+	M0=/dev/pty/ptmx
+	M1=/dev/pty/ptmx
+	M2=/dev/pty/ptmx
+    fi
+    dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && {
+	M0=/dev/console
+	M1=/dev/console
+	M2=/dev/console    
+    }
+}
+
+boot_hook_add preinit_essential choose_console
+
diff --git a/package/base-files/files/lib/preinit/50_indicate_regular_preinit b/package/base-files/files/lib/preinit/50_indicate_regular_preinit
new file mode 100644
index 000000000..9cc01f219
--- /dev/null
+++ b/package/base-files/files/lib/preinit/50_indicate_regular_preinit
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+indicate_regular_preinit() {
+    echo "- regular preinit -"
+    preinit_net_echo "Continuing with Regular Preinit\n"
+    pi_indicate_led
+}
+
+boot_hook_add preinit_main indicate_regular_preinit
+
diff --git a/package/base-files/files/lib/preinit/60_init_hotplug b/package/base-files/files/lib/preinit/60_init_hotplug
new file mode 100644
index 000000000..dc05e0ed0
--- /dev/null
+++ b/package/base-files/files/lib/preinit/60_init_hotplug
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_hotplug() {
+   echo "$HOTPLUG" > /proc/sys/kernel/hotplug
+}
+
+boot_hook_add preinit_main init_hotplug
+
diff --git a/package/base-files/files/lib/preinit/70_initramfs_test b/package/base-files/files/lib/preinit/70_initramfs_test
new file mode 100644
index 000000000..15c0dcd90
--- /dev/null
+++ b/package/base-files/files/lib/preinit/70_initramfs_test
@@ -0,0 +1,14 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+initramfs_test() {
+    if [ -n "$INITRAMFS" ]; then
+	boot_run_hook initramfs
+	preinit_ip_deconfig
+	break
+    fi
+}
+
+boot_hook_add preinit_main initramfs_test
+
diff --git a/package/base-files/files/lib/preinit/70_pivot_jffs2_root b/package/base-files/files/lib/preinit/70_pivot_jffs2_root
new file mode 100644
index 000000000..821bfb14f
--- /dev/null
+++ b/package/base-files/files/lib/preinit/70_pivot_jffs2_root
@@ -0,0 +1,14 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+rootfs_pivot() {
+    check_skip || jffs2_not_mounted || {
+	echo "switching to jffs2"
+	mount -o move /tmp/overlay /overlay 2>&-
+	fopivot /overlay /rom && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root rootfs_pivot
+
diff --git a/package/base-files/files/lib/preinit/80_mount_root b/package/base-files/files/lib/preinit/80_mount_root
new file mode 100644
index 000000000..cc8781687
--- /dev/null
+++ b/package/base-files/files/lib/preinit/80_mount_root
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_root() {
+    boot_run_hook preinit_mount_root
+}   
+
+boot_hook_add preinit_main do_mount_root
+
diff --git a/package/base-files/files/lib/preinit/90_init_console b/package/base-files/files/lib/preinit/90_init_console
new file mode 100644
index 000000000..ca05755fd
--- /dev/null
+++ b/package/base-files/files/lib/preinit/90_init_console
@@ -0,0 +1,14 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+init_console() {
+    if [ "$pi_suppress_stderr" = "y" ]; then
+	exec <$M0 >$M1 2>&0
+    else 
+	exec <$M0 >$M1 2>$M2
+    fi
+}
+
+boot_hook_add preinit_essential init_console
+
diff --git a/package/base-files/files/lib/preinit/90_mount_no_jffs2 b/package/base-files/files/lib/preinit/90_mount_no_jffs2
new file mode 100644
index 000000000..d8ad4ae11
--- /dev/null
+++ b/package/base-files/files/lib/preinit/90_mount_no_jffs2
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_jffs2() {
+    check_skip || {
+	mount_no_jffs2 && pi_mount_skip_next=true
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_jffs2
+
diff --git a/package/base-files/files/lib/preinit/90_restore_config b/package/base-files/files/lib/preinit/90_restore_config
new file mode 100644
index 000000000..210bf6184
--- /dev/null
+++ b/package/base-files/files/lib/preinit/90_restore_config
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+restore_config() {
+    [ -f /sysupgrade.tgz ] && {
+	echo "- config restore -"
+	cd /
+	mv sysupgrade.tgz /tmp
+	tar xzf /tmp/sysupgrade.tgz
+	rm -f /tmp/sysupgrade.tgz
+	sync
+    }
+}
+
+boot_hook_add preinit_main restore_config
+
diff --git a/package/base-files/files/lib/preinit/99_10_failsafe_login b/package/base-files/files/lib/preinit/99_10_failsafe_login
new file mode 100644
index 000000000..05d6b7787
--- /dev/null
+++ b/package/base-files/files/lib/preinit/99_10_failsafe_login
@@ -0,0 +1,18 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+failsafe_netlogin () {
+    telnetd -l /bin/login.sh <> /dev/null 2>&1    
+}
+
+failsafe_shell() {
+    lock /tmp/.failsafe
+    ash --login
+    echo "Please reboot system when done with failsafe network logins"
+}
+
+
+boot_hook_add failsafe failsafe_netlogin
+boot_hook_add failsafe failsafe_shell
+
diff --git a/package/base-files/files/lib/preinit/99_10_mount_no_mtd b/package/base-files/files/lib/preinit/99_10_mount_no_mtd
new file mode 100644
index 000000000..c4f38e415
--- /dev/null
+++ b/package/base-files/files/lib/preinit/99_10_mount_no_mtd
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_mount_no_mtd() {
+    check_skip || {
+	mount_no_mtd
+    }
+}
+
+boot_hook_add preinit_mount_root do_mount_no_mtd
+
diff --git a/package/base-files/files/lib/preinit/99_10_run_init b/package/base-files/files/lib/preinit/99_10_run_init
new file mode 100644
index 000000000..fef3a503e
--- /dev/null
+++ b/package/base-files/files/lib/preinit/99_10_run_init
@@ -0,0 +1,16 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+run_init() {
+    preinit_echo "- init -"
+    preinit_ip_deconfig
+    if [ "$pi_init_suppress_stderr" = "y" ]; then
+	exec env - PATH=$pi_init_path $pi_init_env $pi_init_cmd 2>&0
+    else
+	exec env - PATH=$pi_init_path $pi_init_env $pi_init_cmd
+    fi
+}
+
+boot_hook_add preinit_main run_init
+
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
new file mode 100644
index 000000000..e6de34849
--- /dev/null
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -0,0 +1,230 @@
+#!/bin/sh
+
+RAM_ROOT=/tmp/root
+
+ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
+libs() { ldd $* | awk '{print $3}'; }
+
+install_file() { # <file> [ <file> ... ]
+	for file in "$@"; do
+		dest="$RAM_ROOT/$file"
+		[ -f $file -a ! -f $dest ] && {
+			dir="$(dirname $dest)"
+			mkdir -p "$dir"
+			cp $file $dest
+		}
+	done
+}
+
+install_bin() { # <file> [ <symlink> ... ]
+	src=$1
+	files=$1
+	[ -x "$src" ] && files="$src $(libs $src)"
+	install_file $files
+	[ -e /lib/ld-linux.so.3 ] && {
+		install_file /lib/ld-linux.so.3
+	}
+	shift
+	for link in "$@"; do {
+		dest="$RAM_ROOT/$link"
+		dir="$(dirname $dest)"
+		mkdir -p "$dir"
+		[ -f "$dest" ] || ln -s $src $dest
+	}; done
+}
+
+pivot() { # <new_root> <old_root>
+	mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
+	mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
+	mount -o move /proc $1/proc && \
+	pivot_root $1 $1$2 || {
+        umount $1 $1
+		return 1
+	}
+
+	mount -o move $2/sys /sys
+	mount -o move $2/dev /dev
+	mount -o move $2/tmp /tmp
+	mount -o move $2/overlay /overlay 2>&-
+	return 0
+}
+
+run_ramfs() { # <command> [...]
+	install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount        \
+		/sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd   \
+		/bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" \
+		/bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump          \
+		/bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc
+
+	install_bin /sbin/mtd
+	for file in $RAMFS_COPY_BIN; do
+		install_bin $file
+	done
+	install_file /etc/resolv.conf /lib/functions.sh /lib/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+
+	pivot $RAM_ROOT /mnt || {
+		echo "Failed to switch over to ramfs. Please reboot."
+		exit 1
+	}
+
+	mount -o remount,ro /mnt
+	umount -l /mnt
+
+	grep /overlay /proc/mounts > /dev/null && {
+		mount -o remount,ro /overlay
+		umount -l /overlay
+	}
+
+	# spawn a new shell from ramdisk to reduce the probability of cache issues
+	exec /bin/busybox ash -c "$*"
+}
+
+kill_remaining() { # [ <signal> ]
+	local sig="${1:-TERM}"
+	echo -n "Sending $sig to remaining processes ... "
+
+	local stat
+	for stat in /proc/[0-9]*/stat; do
+		[ -f "$stat" ] || continue
+
+		local pid name state ppid rest
+		read pid name state ppid rest < $stat
+		name="${name#(}"; name="${name%)}"
+
+		local cmdline
+		read cmdline < /proc/$pid/cmdline
+
+		# Skip kernel threads 
+		[ -n "$cmdline" ] || continue
+
+		case "$name" in
+			# Skip essential services
+			*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*) : ;;
+
+			# Killable process
+			*)
+				if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
+					echo -n "$name "
+					kill -$sig $pid 2>/dev/null
+				fi
+			;;
+		esac
+	done
+	echo ""
+}
+
+run_hooks() {
+	local arg="$1"; shift
+	for func in "$@"; do
+		eval "$func $arg"
+	done
+}
+
+ask_bool() {
+	local default="$1"; shift;
+	local answer="$default"
+
+	[ "$INTERACTIVE" -eq 1 ] && {
+		case "$default" in
+			0) echo -n "$* (y/N): ";;
+			*) echo -n "$* (Y/n): ";;
+		esac
+		read answer
+		case "$answer" in
+			y*) answer=1;;
+			n*) answer=0;;
+			*) answer="$default";;
+		esac
+	}
+	[ "$answer" -gt 0 ]
+}
+
+v() {
+	[ "$VERBOSE" -ge 1 ] && echo "$@"
+}
+
+rootfs_type() {
+	mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
+}
+
+get_image() { # <source> [ <command> ]
+	local from="$1"
+	local conc="$2"
+	local cmd
+
+	case "$from" in
+		http://*|ftp://*) cmd="wget -O- -q";;
+		*) cmd="cat";;
+	esac
+	if [ -z "$conc" ]; then
+		local magic="$(eval $cmd $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+		case "$magic" in
+			1f8b) conc="zcat";;
+			425a) conc="bzcat";;
+		esac
+	fi
+
+	eval "$cmd $from ${conc:+| $conc}"
+}
+
+get_magic_word() {
+	get_image "$@" | dd bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
+}
+
+get_magic_long() {
+	get_image "$@" | dd bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+}
+
+refresh_mtd_partitions() {
+	mtd refresh rootfs
+}
+
+jffs2_copy_config() {
+	if grep rootfs_data /proc/mtd >/dev/null; then
+		# squashfs+jffs2
+		mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data
+	else
+		# jffs2
+		mtd jffs2write "$CONF_TAR" rootfs
+	fi
+}
+
+default_do_upgrade() {
+	sync
+	if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
+		get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
+	else
+		get_image "$1" | mtd write - "${PART_NAME:-image}"
+	fi
+}
+
+do_upgrade() {
+	v "Performing system upgrade..."
+	if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
+		platform_do_upgrade "$ARGV"
+	else
+		default_do_upgrade "$ARGV"
+	fi
+
+	[ "$SAVE_CONFIG" -eq 1 -a -n "$USE_REFRESH" ] && {
+		v "Refreshing partitions"
+		if type 'platform_refresh_partitions' >/dev/null 2>/dev/null; then
+			platform_refresh_partitions
+		else
+			refresh_mtd_partitions
+		fi
+		if type 'platform_copy_config' >/dev/null 2>/dev/null; then
+			platform_copy_config
+		else
+			jffs2_copy_config
+		fi
+	}
+	v "Upgrade completed"
+	[ -n "$DELAY" ] && sleep "$DELAY"
+	ask_bool 1 "Reboot" && {
+		v "Rebooting system..."
+		reboot -f
+		sleep 5
+		echo b 2>/dev/null >/proc/sysrq-trigger
+	}
+}
diff --git a/package/base-files/files/lib/upgrade/keep.d/base-files-essential b/package/base-files/files/lib/upgrade/keep.d/base-files-essential
new file mode 100644
index 000000000..2c611d29b
--- /dev/null
+++ b/package/base-files/files/lib/upgrade/keep.d/base-files-essential
@@ -0,0 +1,9 @@
+# Essential files that will be always kept
+/etc/hosts
+/etc/inittab
+/etc/group
+/etc/passwd
+/etc/profile
+/etc/shells
+/etc/sysctl.conf
+/etc/rc.local