Integrate basic UCI config file validation support Needs more testing and validation...
[openwrt/openwrt.git] / package / base-files / files / etc / functions.sh
index 5c353a3..84121c5 100755 (executable)
@@ -9,6 +9,7 @@ N="
 "
 
 _C=0
+NO_EXPORT=1
 
 hotplug_dev() {
        env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
@@ -19,7 +20,7 @@ append() {
        local value="$2"
        local sep="${3:- }"
        
-       eval "export -n -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+       eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
 }
 
 reset_cb() {
@@ -32,19 +33,19 @@ config () {
        local cfgtype="$1"
        local name="$2"
        
-       CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
+       export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
        name="${name:-cfg$CONFIG_NUM_SECTIONS}"
        append CONFIG_SECTIONS "$name"
        config_cb "$cfgtype" "$name"
-       CONFIG_SECTION="$name"
-       export -n "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
+       export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
+       export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
 }
 
 option () {
        local varname="$1"; shift
        local value="$*"
        
-       export -n "CONFIG_${CONFIG_SECTION}_${varname}=$value"
+       export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
        option_cb "$varname" "$*"
 }
 
@@ -58,12 +59,12 @@ config_rename() {
        for oldvar in `set | grep ^CONFIG_${OLD}_ | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do
                newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
-               eval "export -n \"$newvar=\${$oldvar}\""
+               eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
                unset "$oldvar"
        done
-       CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
+       export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
        
-       [ "$CONFIG_SECTION" = "$OLD" ] && CONFIG_SECTION="$NEW"
+       [ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
 }
 
 config_unset() {
@@ -74,8 +75,8 @@ config_clear() {
        local SECTION="$1"
        local oldvar
        
-       CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , ,")"
-       CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
+       export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , ,")"
+       export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
 
        for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do 
@@ -84,11 +85,11 @@ config_clear() {
 }
 
 config_load() {
-       local file="/etc/config/$1"
+       local file="$UCI_ROOT/etc/config/$1"
        _C=0
-       CONFIG_SECTIONS=
-       CONFIG_NUM_SECTIONS=0
-       CONFIG_SECTION=
+       export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
+       export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
+       export ${NO_EXPORT:+-n} CONFIG_SECTION=
        
        [ -e "$file" ] && {
                . $file
@@ -100,7 +101,7 @@ config_load() {
 config_get() {
        case "$3" in
                "") eval "echo \"\${CONFIG_${1}_${2}}\"";;
-               *)  eval "export -n -- \"$1=\${CONFIG_${2}_${3}}\"";;
+               *)  eval "export ${NO_EXPORT:+-n} -- \"$1=\${CONFIG_${2}_${3}}\"";;
        esac
 }
 
@@ -108,7 +109,7 @@ config_set() {
        local section="$1"
        local option="$2"
        local value="$3"
-       export -n "CONFIG_${section}_${option}=$value"
+       export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=$value"
 }
 
 config_foreach() {
@@ -155,12 +156,12 @@ strtok() { # <string> { <variable> [<separator>] ... }
 
                val="${val#$tmp$2}"
 
-               export -n "$1=$tmp"; count=$((count+1))
+               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
                shift 2
        done
 
        if [ $# -gt 0 -a "$val" ]; then
-               export -n "$1=$val"; count=$((count+1))
+               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
        fi
 
        return $count