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[package] firewall: clean up description (#7875)
[openwrt.git] / package / base-files / files / etc / functions.sh
diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index 5c353a3..d5ffc13 100755 (executable)
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -2,16 +2,25 @@
 # Copyright (C) 2006 OpenWrt.org
 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
 
 # Copyright (C) 2006 OpenWrt.org
 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
 
-alias debug=${DEBUG:-:}
+
+debug () {
+       ${DEBUG:-:} "$@"
+}
+mount() {
+       busybox mount "$@"
+}
 
 # newline
 N="
 "
 
 _C=0
 
 # newline
 N="
 "
 
 _C=0
+NO_EXPORT=1
+LOAD_STATE=1
+LIST_SEP=" "
 
 hotplug_dev() {
 
 hotplug_dev() {
-       env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
+       env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
 }
 
 append() {
 }
 
 append() {
@@ -19,33 +28,81 @@ append() {
        local value="$2"
        local sep="${3:- }"
        
        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\""
+}
+
+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; }
 }
 
 reset_cb() {
        config_cb() { return 0; }
        option_cb() { return 0; }
+       list_cb() { return 0; }
 }
 reset_cb
 
 }
 reset_cb
 
+package() {
+       return 0
+}
+
 config () {
        local cfgtype="$1"
        local name="$2"
        
 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"
        name="${name:-cfg$CONFIG_NUM_SECTIONS}"
        append CONFIG_SECTIONS "$name"
-       config_cb "$cfgtype" "$name"
-       CONFIG_SECTION="$name"
-       export -n "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
+       [ -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="$1"; shift
        local value="$*"
 }
 
 option () {
        local varname="$1"; shift
        local value="$*"
-       
-       export -n "CONFIG_${CONFIG_SECTION}_${varname}=$value"
-       option_cb "$varname" "$*"
+
+       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() {
 }
 
 config_rename() {
@@ -54,16 +111,16 @@ config_rename() {
        local oldvar
        local newvar
        
        local oldvar
        local newvar
        
-       [ "$OLD" -a "$NEW" ] || return
+       [ -n "$OLD" -a -n "$NEW" ] || return
        for oldvar in `set | grep ^CONFIG_${OLD}_ | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do
                newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
        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
                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() {
 }
 
 config_unset() {
@@ -73,9 +130,9 @@ config_unset() {
 config_clear() {
        local SECTION="$1"
        local oldvar
 config_clear() {
        local SECTION="$1"
        local oldvar
-       
-       CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , ,")"
-       CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
+
+       list_remove CONFIG_SECTIONS "$SECTION"
+       export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
 
        for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do 
 
        for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
                sed -e 's/\(.*\)=.*$/\1/'` ; do 
@@ -83,47 +140,76 @@ config_clear() {
        done
 }
 
        done
 }
 
-config_load() {
-       local file="/etc/config/$1"
-       _C=0
-       CONFIG_SECTIONS=
-       CONFIG_NUM_SECTIONS=0
-       CONFIG_SECTION=
-       
-       [ -e "$file" ] && {
-               . $file
-       } || return 1
-       
-       ${CONFIG_SECTION:+config_cb}
-}
-
+# config_get <variable> <section> <option> [<default>]
+# config_get <section> <option>
 config_get() {
        case "$3" in
 config_get() {
        case "$3" in
-               "") eval "echo \"\${CONFIG_${1}_${2}}\"";;
-               *)  eval "export -n -- \"$1=\${CONFIG_${2}_${3}}\"";;
+               "") eval echo "\${CONFIG_${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
        esac
+       export ${NO_EXPORT:+-n} "$1=$_tmp"
 }
 
 config_set() {
        local section="$1"
        local option="$2"
        local value="$3"
 }
 
 config_set() {
        local section="$1"
        local option="$2"
        local value="$3"
-       export -n "CONFIG_${section}_${option}=$value"
+       local old_section="$CONFIG_SECTION"
+
+       CONFIG_SECTION="$section"
+       option "$option" "$value"
+       CONFIG_SECTION="$old_section"
 }
 
 config_foreach() {
        local function="$1"
 }
 
 config_foreach() {
        local function="$1"
-       local section
+       [ "$#" -ge 1 ] && shift
+       local type="$1"
+       [ "$#" -ge 1 ] && shift
+       local section cfgtype
        
        [ -z "$CONFIG_SECTIONS" ] && return 0
        for section in ${CONFIG_SECTIONS}; do
        
        [ -z "$CONFIG_SECTIONS" ] && return 0
        for section in ${CONFIG_SECTIONS}; do
-               eval "$function \"\$section\""
+               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() {
        done
 }
 
 load_modules() {
-       cd /etc/modules.d
-       sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+       [ -d /etc/modules.d ] && {
+               cd /etc/modules.d
+               sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+       }
 }
 
 include() {
 }
 
 include() {
@@ -136,9 +222,11 @@ include() {
 
 find_mtd_part() {
        local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
 
 find_mtd_part() {
        local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+       local PREFIX=/dev/mtdblock
        
        PART="${PART##mtd}"
        
        PART="${PART##mtd}"
-       echo "${PART:+/dev/mtdblock/$PART}"
+       [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+       echo "${PART:+$PREFIX$PART}"
 }
 
 strtok() { # <string> { <variable> [<separator>] ... }
 }
 
 strtok() { # <string> { <variable> [<separator>] ... }
@@ -155,13 +243,36 @@ strtok() { # <string> { <variable> [<separator>] ... }
 
                val="${val#$tmp$2}"
 
 
                val="${val#$tmp$2}"
 
-               export -n "$1=$tmp"; count=$((count+1))
+               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
                shift 2
        done
 
                shift 2
        done
 
-       if [ $# -gt 0 -a "$val" ]; then
-               export -n "$1=$val"; count=$((count+1))
+       if [ $# -gt 0 -a -n "$val" ]; then
+               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
        fi
 
        return $count
 }
        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
+}
+
+[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
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