mirror of https://github.com/hak5/openwrt.git
98 lines
2.1 KiB
Bash
98 lines
2.1 KiB
Bash
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# Copyright (C) 2009-2010 OpenWrt.org
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# Copyright (C) 2009 Malte S. Stretz <http://msquadrat.de>
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#
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# This is a temporary file, I hope to have some of this stuff merged into
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# /lib/functions.sh (without the fw_ prefix of course) one day.
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fw_config_append() { # <package>
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CONFIG_APPEND=1 config_load "$@"
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unset CONFIG_APPEND
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}
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fw_config_once() { # <function> <type>
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local func=$1
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local type=$2
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shift 2
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local config=cfg00nil
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fw_config__once() {
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config=$1
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}
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config_foreach fw_config__once "$type"
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$func $config "$@"
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}
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fw_config_get_section() { # <config> <prefix> <type> <name> <default> ...
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local config=$1
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local prefix=$2
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shift 2
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[ -n "$config" ] || return 1
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[ -n "$prefix" ] && {
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prefix="${prefix}_"
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export ${NO_EXPORT:+-n} -- "${prefix}NAME"="${config}"
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config_get "${prefix}TYPE" "$config" TYPE
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}
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[ "$1" == '{' ] && shift
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while [ $# -ge 3 ]; do
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local type=$1
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local name=$2
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local dflt=$3
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shift 3
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# TODO: Move handling of defaults to /lib/functions.sh
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# and get replace the case block with the following
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# two lines:
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# type=${type#string}
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# config_get${type:+_${type}} "${prefix}${name}" "$config" "$name" "$dflt" || return
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case "$type" in
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string)
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local tmp
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config_get tmp "$config" "$name" || return
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[ -z "$tmp" ] && tmp=$dflt
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export ${NO_EXPORT:+-n} -- "${prefix}${name}=${tmp}"
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continue
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;;
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boolean)
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type=bool
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;;
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esac;
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local cmd=${prefix}config_get_${type}
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type $cmd > /dev/null || {
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cmd=config_get_${type}
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}
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type $cmd > /dev/null || {
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echo "config type $type (for $name) not supported" >&2
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return 1
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}
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$cmd "${prefix}${name}" "$config" "$name" "$dflt" || return
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done
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}
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config_get_ipaddr() {
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local varn=$1
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local conf=$2
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local name=$3
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local dflt=$4
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local addr
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config_get addr "$conf" "$name" || return
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[ -n "$addr" ] || addr=$dflt
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local mask=${addr#*/}
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[ "$mask" != "$addr" ] || mask=
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addr=${addr%/*}
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local vers=
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case "$addr" in
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*.*) vers=4 ;;
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*:*) vers=6 ;;
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esac
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export ${NO_EXPORT:+-n} -- "${varn}=${addr}"
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export ${NO_EXPORT:+-n} -- "${varn}_prefixlen=${mask}"
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export ${NO_EXPORT:+-n} -- "${varn}_version=${vers}"
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}
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