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domenico
361
package/base-files/files/lib/functions.sh
Executable file
361
package/base-files/files/lib/functions.sh
Executable file
@@ -0,0 +1,361 @@
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#!/bin/sh
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# Copyright (C) 2006-2014 OpenWrt.org
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# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
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# Copyright (C) 2010 Vertical Communications
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debug () {
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${DEBUG:-:} "$@"
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}
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# newline
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N="
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"
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_C=0
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NO_EXPORT=1
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LOAD_STATE=1
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LIST_SEP=" "
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append() {
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local var="$1"
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local value="$2"
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local sep="${3:- }"
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eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
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}
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list_contains() {
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local var="$1"
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local str="$2"
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local val
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eval "val=\" \${$var} \""
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[ "${val%% $str *}" != "$val" ]
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}
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config_load() {
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[ -n "$IPKG_INSTROOT" ] && return 0
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uci_load "$@"
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}
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reset_cb() {
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config_cb() { return 0; }
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option_cb() { return 0; }
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list_cb() { return 0; }
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}
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reset_cb
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package() {
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return 0
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}
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config () {
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local cfgtype="$1"
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local name="$2"
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export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
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name="${name:-cfg$CONFIG_NUM_SECTIONS}"
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append CONFIG_SECTIONS "$name"
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export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
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config_set "$CONFIG_SECTION" "TYPE" "${cfgtype}"
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[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
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}
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option () {
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local varname="$1"; shift
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local value="$*"
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config_set "$CONFIG_SECTION" "${varname}" "${value}"
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[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
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}
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list() {
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local varname="$1"; shift
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local value="$*"
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local len
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config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
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[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
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len=$(($len + 1))
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config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
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config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
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append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
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[ -n "$NO_CALLBACK" ] || list_cb "$varname" "$*"
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}
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config_unset() {
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config_set "$1" "$2" ""
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}
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# config_get <variable> <section> <option> [<default>]
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# config_get <section> <option>
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config_get() {
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case "$3" in
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"") eval echo "\"\${CONFIG_${1}_${2}:-\${4}}\"";;
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*) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
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esac
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}
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# config_get_bool <variable> <section> <option> [<default>]
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config_get_bool() {
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local _tmp
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config_get _tmp "$2" "$3" "$4"
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case "$_tmp" in
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1|on|true|yes|enabled) _tmp=1;;
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0|off|false|no|disabled) _tmp=0;;
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*) _tmp="$4";;
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esac
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export ${NO_EXPORT:+-n} "$1=$_tmp"
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}
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config_set() {
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local section="$1"
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local option="$2"
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local value="$3"
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export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=${value}"
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}
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config_foreach() {
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local ___function="$1"
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[ "$#" -ge 1 ] && shift
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local ___type="$1"
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[ "$#" -ge 1 ] && shift
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local section cfgtype
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[ -z "$CONFIG_SECTIONS" ] && return 0
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for section in ${CONFIG_SECTIONS}; do
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config_get cfgtype "$section" TYPE
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[ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
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eval "$___function \"\$section\" \"\$@\""
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done
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}
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config_list_foreach() {
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[ "$#" -ge 3 ] || return 0
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local section="$1"; shift
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local option="$1"; shift
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local function="$1"; shift
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local val
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local len
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local c=1
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config_get len "${section}" "${option}_LENGTH"
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[ -z "$len" ] && return 0
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while [ $c -le "$len" ]; do
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config_get val "${section}" "${option}_ITEM$c"
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eval "$function \"\$val\" \"\$@\""
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c="$(($c + 1))"
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done
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}
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default_prerm() {
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local root="${IPKG_INSTROOT}"
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local pkgname="$(basename ${1%.*})"
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local ret=0
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if [ -f "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" ]; then
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( . "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" )
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ret=$?
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fi
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local shell="$(which bash)"
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for i in $(grep -s "^/etc/init.d/" "$root/usr/lib/opkg/info/${pkgname}.list"); do
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if [ -n "$root" ]; then
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${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" disable
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else
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if [ "$PKG_UPGRADE" != "1" ]; then
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"$i" disable
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fi
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"$i" stop
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fi
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done
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return $ret
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}
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add_group_and_user() {
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local pkgname="$1"
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local rusers="$(sed -ne 's/^Require-User: *//p' $root/usr/lib/opkg/info/${pkgname}.control 2>/dev/null)"
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if [ -n "$rusers" ]; then
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local tuple oIFS="$IFS"
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for tuple in $rusers; do
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local uid gid uname gname
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IFS=":"
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set -- $tuple; uname="$1"; gname="$2"
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IFS="="
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set -- $uname; uname="$1"; uid="$2"
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set -- $gname; gname="$1"; gid="$2"
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IFS="$oIFS"
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if [ -n "$gname" ] && [ -n "$gid" ]; then
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group_exists "$gname" || group_add "$gname" "$gid"
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elif [ -n "$gname" ]; then
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gid="$(group_add_next "$gname")"
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fi
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if [ -n "$uname" ]; then
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user_exists "$uname" || user_add "$uname" "$uid" "$gid"
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fi
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if [ -n "$uname" ] && [ -n "$gname" ]; then
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group_add_user "$gname" "$uname"
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fi
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unset uid gid uname gname
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done
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fi
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}
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default_postinst() {
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local root="${IPKG_INSTROOT}"
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local pkgname="$(basename ${1%.*})"
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local filelist="/usr/lib/opkg/info/${pkgname}.list"
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local ret=0
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add_group_and_user "${pkgname}"
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if [ -f "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ]; then
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( . "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" )
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ret=$?
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fi
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if [ -d "$root/rootfs-overlay" ]; then
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cp -R $root/rootfs-overlay/. $root/
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rm -fR $root/rootfs-overlay/
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fi
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if [ -z "$root" ]; then
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if grep -m1 -q -s "^/etc/modules.d/" "$filelist"; then
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kmodloader
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fi
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if grep -m1 -q -s "^/etc/sysctl.d/" "$filelist"; then
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/etc/init.d/sysctl restart
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fi
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if grep -m1 -q -s "^/etc/uci-defaults/" "$filelist"; then
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. /lib/functions/system.sh
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[ -d /tmp/.uci ] || mkdir -p /tmp/.uci
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for i in $(grep -s "^/etc/uci-defaults/" "$filelist"); do
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( [ -f "$i" ] && cd "$(dirname $i)" && . "$i" ) && rm -f "$i"
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done
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uci commit
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fi
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rm -f /tmp/luci-indexcache
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fi
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local shell="$(which bash)"
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for i in $(grep -s "^/etc/init.d/" "$root$filelist"); do
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if [ -n "$root" ]; then
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${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" enable
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else
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if [ "$PKG_UPGRADE" != "1" ]; then
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"$i" enable
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fi
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"$i" start
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fi
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done
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return $ret
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}
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include() {
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local file
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for file in $(ls $1/*.sh 2>/dev/null); do
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. $file
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done
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}
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find_mtd_index() {
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local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
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local INDEX="${PART##mtd}"
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echo ${INDEX}
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}
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find_mtd_part() {
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local INDEX=$(find_mtd_index "$1")
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local PREFIX=/dev/mtdblock
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[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
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echo "${INDEX:+$PREFIX$INDEX}"
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}
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group_add() {
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local name="$1"
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local gid="$2"
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local rc
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[ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
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echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
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}
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group_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
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}
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group_add_next() {
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local gid gids
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gid=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group | cut -d: -f3)
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if [ -n "$gid" ]; then
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echo $gid
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return
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fi
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gids=$(cat ${IPKG_INSTROOT}/etc/group | cut -d: -f3)
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gid=65536
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while [ -n "$(echo "$gids" | grep "^$gid$")" ] ; do
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gid=$((gid + 1))
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done
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group_add $1 $gid
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echo $gid
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}
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group_add_user() {
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local grp delim=","
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grp=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group)
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[ -z "$(echo $grp | cut -d: -f4 | grep $2)" ] || return
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[ -n "$(echo $grp | grep ":$")" ] && delim=""
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
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sed -i "s/$grp/$grp$delim$2/g" ${IPKG_INSTROOT}/etc/group
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
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}
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user_add() {
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local name="${1}"
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local uid="${2}"
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local gid="${3}"
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local desc="${4:-$1}"
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local home="${5:-/var/run/$1}"
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local shell="${6:-/bin/false}"
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local rc
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[ -z "$uid" ] && {
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uids=$(cat ${IPKG_INSTROOT}/etc/passwd | cut -d: -f3)
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uid=65536
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while [ -n "$(echo "$uids" | grep "^$uid$")" ] ; do
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uid=$((uid + 1))
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done
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}
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[ -z "$gid" ] && gid=$uid
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[ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
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echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
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echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
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}
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user_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
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}
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board_name() {
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[ -e /tmp/sysinfo/board_name ] && cat /tmp/sysinfo/board_name || echo "generic"
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}
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[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
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