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-rw-r--r--package/firewall/files/lib/config.sh97
1 files changed, 97 insertions, 0 deletions
diff --git a/package/firewall/files/lib/config.sh b/package/firewall/files/lib/config.sh
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+++ b/package/firewall/files/lib/config.sh
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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=4 ;;
+ *:*) vers=6 ;;
+ esac
+
+ export ${NO_EXPORT:+-n} -- "${varn}=${addr}"
+ export ${NO_EXPORT:+-n} -- "${varn}_prefixlen=${mask}"
+ export ${NO_EXPORT:+-n} -- "${varn}_version=${vers}"
+}