mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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Here comes the new UCI. Enjoy :)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10367 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
214
package/uci/files/uci-sh/lib/config/uci.sh
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214
package/uci/files/uci-sh/lib/config/uci.sh
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#!/bin/sh
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# Shell script defining macros for manipulating config files
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#
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# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
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# Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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uci_set_default() {
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local PACKAGE="$1"
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[ -e "/etc/config/$1" ] && return 0
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cat > "/etc/config/$1"
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}
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uci_load() {
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local cfg
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local uci
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_C=0
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export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
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export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
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export ${NO_EXPORT:+-n} CONFIG_SECTION=
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case "$PACKAGE" in
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/*) cfg="$PACKAGE";;
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*)
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cfg="$UCI_ROOT/etc/config/$PACKAGE"
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uci="$UCI_ROOT/tmp/.uci/$PACKAGE"
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state="$UCI_ROOT/var/state/$PACKAGE"
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;;
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esac
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# no config?
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[ -z "$cfg" -o \! -f "$cfg" ] && return 1
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. "$cfg"
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${CONFIG_SECTION:+config_cb}
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[ -z "$uci" -o \! -f "$uci" ] || . "$uci"
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[ -z "$LOAD_STATE" -z "$state" -o \! -f "$state" ] || . "$state"
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return 0
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}
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uci_call_awk() {
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local CMD="$*"
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awk -f $UCI_ROOT/lib/config/uci.awk -f - <<EOF
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BEGIN {
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$CMD
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}
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EOF
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}
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uci_do_update() {
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local FILENAME="$1"
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local UPDATE="$2"
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uci_call_awk "
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config = read_file(\"$FILENAME\")
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$UPDATE
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print config
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"
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}
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uci_add_update() {
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local PACKAGE="$1"
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local UPDATE="$2"
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local PACKAGE_BASE="$(basename "$PACKAGE")"
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local UCIFILE
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case "$PACKAGE" in
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/*) UCIFILE="$PACKAGE";;
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*)
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UCIFILE="/tmp/.uci/$PACKAGE_BASE"
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mkdir -p "/tmp/.uci"
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;;
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esac
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# FIXME: add locking?
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echo "$UPDATE" >> "$UCIFILE"
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}
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uci_revert_state() {
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local PACKAGE="$1"
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local CONFIG="$2"
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FILE="/var/state/$PACKAGE.$$"
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grep -v "^config_set '$CONFIG' " "/var/state/$PAKAGE" > "$FILE"
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mv "$FILE" "/var/state/$PACKAGE"
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}
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uci_set_state() {
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local PACKAGE="$1"
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local CONFIG="$2"
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local OPTION="$3"
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local VALUE="$4"
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[ -z "$VALUE" ] && return 1
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uci_set "/var/state/$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
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}
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uci_set() {
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local PACKAGE="$1"
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local CONFIG="$2"
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local OPTION="$3"
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local VALUE="$4"
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case "$PACKAGE" in
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/*)
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uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
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;;
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*)
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( # spawn a subshell so you don't mess up the current environment
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uci_load "$PACKAGE"
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config_get OLDVAL "$CONFIG" "$OPTION"
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if [ "x$OLDVAL" != "x$VALUE" ]; then
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config_get type "$CONFIG" TYPE
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[ -z "$type" ]
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fi
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) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
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;;
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esac
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}
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uci_add() {
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local PACKAGE="$1"
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local TYPE="$2"
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local CONFIG="$3"
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uci_add_update "$PACKAGE" "config '$TYPE' '$CONFIG'"
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}
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uci_rename() {
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local PACKAGE="$1"
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local CONFIG="$2"
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local VALUE="$3"
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uci_add_update "$PACKAGE" "config_rename '$CONFIG' '$VALUE'"
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}
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uci_remove() {
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local PACKAGE="$1"
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local CONFIG="$2"
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local OPTION="$3"
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if [ -z "$OPTION" ]; then
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uci_add_update "$PACKAGE" "config_clear '$CONFIG'"
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else
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uci_add_update "$PACKAGE" "config_unset '$CONFIG' '$OPTION'"
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fi
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}
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uci_commit() {
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local PACKAGE="$1"
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local PACKAGE_BASE="$(basename "$PACKAGE")"
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case "$PACKAGE" in
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/*) return 0;;
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esac
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mkdir -p /tmp/.uci
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LOCK=`which lock` || LOCK=:
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$LOCK "/tmp/.uci/$PACKAGE_BASE.lock"
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[ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
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updatestr=""
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# replace handlers
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config() {
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append updatestr "config = uci_update_config(config, \"@$2=$1\")" "$N"
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}
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option() {
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append updatestr "config = uci_update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
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}
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config_rename() {
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append updatestr "config = uci_update_config(config, \"&$1=$2\")" "$N"
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}
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config_unset() {
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append updatestr "config = uci_update_config(config, \"-$1.$2\")" "$N"
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}
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config_clear() {
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append updatestr "config = uci_update_config(config, \"-$1\")" "$N"
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}
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. "/tmp/.uci/$PACKAGE_BASE"
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# completely disable handlers so that they don't get in the way
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config() {
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return 0
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}
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option() {
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return 0
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}
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config_load "$PACKAGE"
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CONFIG_FILENAME="${CONFIG_FILENAME:-$UCI_ROOT/etc/config/$PACKAGE_BASE}"
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uci_do_update "$CONFIG_FILENAME" "$updatestr" > "/tmp/.uci/$PACKAGE_BASE.new" && {
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mv -f "/tmp/.uci/$PACKAGE_BASE.new" "$CONFIG_FILENAME" && \
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rm -f "/tmp/.uci/$PACKAGE_BASE"
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}
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)
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$LOCK -u "/tmp/.uci/$PACKAGE_BASE.lock"
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}
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