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# Copyright (C) 2009-2010 OpenWrt.org
# Copyright (C) 2009 Malte S. Stretz <http://msquadrat.de>
#
# This is a temporary file, I hope to have some of this stuff merged into
# /lib/functions.sh (without the fw_ prefix of course) one day.
fw_config_append() { # <package>
CONFIG_APPEND=1 config_load "$@"
unset CONFIG_APPEND
}
fw_config_once() { # <function> <type>
local func=$1
local type=$2
shift 2
local config=cfg00nil
fw_config__once() {
config=$1
}
config_foreach fw_config__once "$type"
$func $config "$@"
}
fw_config_get_section() { # <config> <prefix> <type> <name> <default> ...
local config=$1
local prefix=$2
shift 2
[ -n "$config" ] || return 1
[ -n "$prefix" ] && {
prefix="${prefix}_"
export ${NO_EXPORT:+-n} -- "${prefix}NAME"="${config}"
config_get "${prefix}TYPE" "$config" TYPE
}
[ "$1" == '{' ] && shift
while [ $# -ge 3 ]; do
local type=$1
local name=$2
local dflt=$3
shift 3
# TODO: Move handling of defaults to /lib/functions.sh
# and get replace the case block with the following
# two lines:
# type=${type#string}
# config_get${type:+_${type}} "${prefix}${name}" "$config" "$name" "$dflt" || return
case "$type" in
string)
local tmp
config_get tmp "$config" "$name" || return
[ -z "$tmp" ] && tmp=$dflt
export ${NO_EXPORT:+-n} -- "${prefix}${name}=${tmp}"
continue
;;
boolean)
type=bool
;;
esac;
local cmd=${prefix}config_get_${type}
type $cmd > /dev/null || {
cmd=config_get_${type}
}
type $cmd > /dev/null || {
echo "config type $type (for $name) not supported" >&2
return 1
}
$cmd "${prefix}${name}" "$config" "$name" "$dflt" || return
done
}
config_get_ipaddr() {
local varn=$1
local conf=$2
local name=$3
local dflt=$4
local addr
config_get addr "$conf" "$name" || return
[ -n "$addr" ] || addr=$dflt
local mask=${addr#*/}
[ "$mask" != "$addr" ] || mask=
addr=${addr%/*}
local vers=
case "$addr" in
*:*) vers=6; mask="${mask:-128}" ;;
*.*) vers=4; mask="${mask:-32}" ;;
esac
export ${NO_EXPORT:+-n} -- "${varn}=${addr}"
export ${NO_EXPORT:+-n} -- "${varn}_prefixlen=${mask}"
export ${NO_EXPORT:+-n} -- "${varn}_version=${vers}"
}
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