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120 lines
2.1 KiB
Bash
120 lines
2.1 KiB
Bash
#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
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alias debug=${DEBUG:-:}
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# newline
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N="
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"
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_C=0
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# valid interface?
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if_valid () (
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ifconfig "$1" >&- 2>&- ||
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[ "${1%%[0-9]}" = "br" ] ||
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{ debug "# missing interface '$1' ignored"; false; }
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)
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hotplug_dev() {
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env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
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}
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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 ${var}=\"\${${var}:+\${${var}}${value:+$sep}}\$value\""
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}
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reset_cb() {
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config_cb() {
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return 0
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}
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option_cb() {
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return 0
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}
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}
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reset_cb
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config () {
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local cfgtype="$1"
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local name="$2"
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_C=$(($_C + 1))
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name="${name:-cfg${_C}}"
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config_cb "$cfgtype" "$name"
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export CONFIG_SECTION="$name"
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export CONFIG_${CONFIG_SECTION}_TYPE="$cfgtype"
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}
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option () {
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local varname="$1"; shift
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export CONFIG_${CONFIG_SECTION}_${varname}="$*"
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option_cb "$varname" "$*"
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}
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config_rename() {
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local OLD="$1"
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local NEW="$2"
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local oldsetting
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local newvar
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[ -z "$OLD" -o -z "$NEW" ] && return
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for oldsetting in `set | grep ^CONFIG_${OLD}_ | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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newvar="CONFIG_${NEW}_${oldsetting##CONFIG_${OLD}_}"
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eval "${newvar}=\${$oldsetting}"
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unset "$oldsetting"
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done
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[ "$CONFIG_SECTION" = "$OLD" ] && CONFIG_SECTION="$NEW"
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}
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config_unset() {
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config_set "$1" "$2" ""
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}
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config_clear() {
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[ -z "$CONFIG_SECTION" ] && return
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for oldsetting in `set | grep ^CONFIG_${CONFIG_SECTION}_ | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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unset $oldsetting
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done
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unset CONFIG_SECTION
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}
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config_load() {
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local DIR="./"
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_C=0
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[ \! -e "$1" -a -e "/etc/config/$1" ] && {
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DIR="/etc/config/"
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}
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[ -e "$DIR$1" ] && {
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CONFIG_FILENAME="$DIR$1"
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. ${CONFIG_FILENAME}
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} || return 1
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${CD:+cd -} >/dev/null
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${CONFIG_SECTION:+config_cb}
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}
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config_get() {
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case "$3" in
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"") eval "echo \"\${CONFIG_${1}_${2}}\"";;
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*) eval "$1=\"\${CONFIG_${2}_${3}}\"";;
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esac
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}
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config_set() {
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export CONFIG_${1}_${2}="${3}"
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}
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load_modules() {
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sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
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}
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include() {
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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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