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139 lines
3.3 KiB
Bash
139 lines
3.3 KiB
Bash
#!/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 by Fokus Fraunhofer <carsten.tittel@fokus.fraumhofer.de>
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# Copyright (C) 2006 by 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_load() {
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config_load "$PACKAGE"
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local PACKAGE_BASE="$(basename "$PACKAGE")"
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[ -f "/tmp/.uci/${PACKAGE_BASE}" ] && {
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. "/tmp/.uci/${PACKAGE_BASE}"
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config_cb
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}
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}
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uci_do_update() {
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local FILENAME="$1"
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local UPDATE="$2"
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awk -f /lib/config/uci-update.awk -f - <<EOF
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BEGIN {
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config = read_file("$FILENAME")
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$UPDATE
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print config
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}
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EOF
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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 "$PACKAGE")"
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# FIXME: add locking?
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mkdir -p "/tmp/.uci"
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echo "$UPDATE" >> "/tmp/.uci/${PACKAGE_BASE}"
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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="$4"
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( # spawn a subshell so you don't mess up the current environment
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uci_load "$PACKAGE"
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config_get type "$CONFIG" TYPE
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[ -z "$type" ]
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) || uci_add_update "$PACKAGE" "CONFIG_SECTION='$CONFIG'${N}option '$OPTION' '$VALUE'"
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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 "$PACKAGE")"
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mkdir -p /tmp/.uci
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lock "/tmp/.uci/$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 = update_config(config, \"@$2=$1\")" "$N"
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}
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option() {
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append updatestr "config = 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 = update_config(config, \"&$1=$2\")" "$N"
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}
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config_unset() {
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append updatestr "config = update_config(config, \"-$1.$2\")" "$N"
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}
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config_clear() {
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append updatestr "config = 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" || CONFIG_FILENAME="$ROOT/etc/config/$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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