#!/bin/sh
# Copyright (C) 2006-2013 OpenWrt.org
# Copyright (C) 2006 Fokus Fraunhofer
# Copyright (C) 2010 Vertical Communications
debug () {
${DEBUG:-:} "$@"
}
# 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 []
# config_get
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 []
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
}
insert_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
. $file
done
}
find_mtd_index() {
local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
local INDEX="${PART##mtd}"
echo ${INDEX}
}
find_mtd_part() {
local INDEX=$(find_mtd_index "$1")
local PREFIX=/dev/mtdblock
[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
echo "${INDEX:+$PREFIX$INDEX}"
}
find_mtd_chardev() {
local INDEX=$(find_mtd_index "$1")
local PREFIX=/dev/mtd
[ -d /dev/mtd ] && PREFIX=/dev/mtd/
echo "${INDEX:+$PREFIX$INDEX}"
}
mtd_get_mac_ascii()
{
local mtdname="$1"
local key="$2"
local part
local mac_dirty
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
return
fi
mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
# "canonicalize" mac
[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
}
mtd_get_blob()
{
local mtdname="$1"
local offset="$2"
local count="$3"
local firmware="$4"
local part
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_blob: partition $mtdname not found!" >&2
return 1
fi
dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || {
echo "mtd_get_blob: failed to extract $firmware from $part" >&2
return 1
}
}
mtd_get_mac_binary() {
local mtdname="$1"
local offset="$2"
local part
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
return
fi
dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
}
mtd_get_part_size() {
local part_name=$1
local first dev size erasesize name
while read dev size erasesize name; do
name=${name#'"'}; name=${name%'"'}
if [ "$name" = "$part_name" ]; then
echo $((0x$size))
break
fi
done < /proc/mtd
}
macaddr_add() {
local mac=$1
local val=$2
local oui=${mac%:*:*:*}
local nic=${mac#*:*:*:}
nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
echo $oui:$nic
}
macaddr_setbit_la()
{
local mac=$1
printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
}
macaddr_2bin()
{
local mac=$1
echo -ne \\x${mac//:/\\x}
}
macaddr_canonicalize()
{
local mac="$1"
local canon=""
[ ${#mac} -gt 17 ] && return
[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
for octet in ${mac//[\.:-]/ }; do
case "${#octet}" in
1)
octet="0${octet}"
;;
2)
;;
4)
octet="${octet:0:2} ${octet:2:2}"
;;
12)
octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
;;
*)
return
;;
esac
canon=${canon}${canon:+ }${octet}
done
[ ${#canon} -ne 17 ] && return
printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
}
strtok() { # { [] ... }
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
}
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" "$2"
}
done
}
jffs2_ready() {
mtdpart="$(find_mtd_part rootfs_data)"
[ -z "$mtdpart" ] && return 1
magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
[ "$magic" != "deadc0de" ]
}
dupe() { #
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() { #
/bin/mount -o noatime,move /proc $1/proc && \
pivot_root $1 $1$2 && {
/bin/mount -o noatime,move $2/dev /dev
/bin/mount -o noatime,move $2/tmp /tmp
/bin/mount -o noatime,move $2/sys /sys 2>&-
/bin/mount -o noatime,move $2/overlay /overlay 2>&-
return 0
}
}
fopivot() { #
root=$1
{
if grep -q overlay /proc/filesystems; then
/bin/mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt && root=/mnt
elif grep -q mini_fo /proc/filesystems; then
/bin/mount -t mini_fo -o noatime,base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
else
/bin/mount --bind -o noatime / /mnt
/bin/mount --bind -o noatime,union "$1" /mnt && root=/mnt
fi
} || {
[ "$3" = "1" ] && {
/bin/mount | grep "on $1 type" 2>&- 1>&- || /bin/mount -o noatime,bind $1 $1
dupe $1 $rom
}
}
pivot $root $2
}
ramoverlay() {
mkdir -p /tmp/root
/bin/mount -t tmpfs -o noatime,mode=0755 root /tmp/root
fopivot /tmp/root /rom 1
}
[ -z "$IPKG_INSTROOT
