175 lines
3.9 KiB
Bash
175 lines
3.9 KiB
Bash
#!/bin/sh
|
|
# Shell script defining macros for manipulating config files
|
|
#
|
|
# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
|
|
# Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
uci_load() {
|
|
config_load "$1"
|
|
}
|
|
|
|
uci_apply_defaults() {(
|
|
cd /etc/uci-defaults || return 0
|
|
files="$(ls)"
|
|
[ -z "$files" ] && return 0
|
|
mkdir -p /tmp/.uci
|
|
for file in $files; do
|
|
( . "./$(basename $file)" ) && rm -f "$file"
|
|
done
|
|
uci commit
|
|
)}
|
|
|
|
uci_call_awk() {
|
|
local CMD="$*"
|
|
awk -f $UCI_ROOT/lib/config/uci.awk -f - <<EOF
|
|
BEGIN {
|
|
$CMD
|
|
}
|
|
EOF
|
|
}
|
|
|
|
uci_do_update() {
|
|
local FILENAME="$1"
|
|
local UPDATE="$2"
|
|
uci_call_awk "
|
|
config = read_file(\"$FILENAME\")
|
|
$UPDATE
|
|
print config
|
|
"
|
|
}
|
|
|
|
uci_add_update() {
|
|
local PACKAGE="$1"
|
|
local UPDATE="$2"
|
|
local PACKAGE_BASE="$(basename "$PACKAGE")"
|
|
local UCIFILE
|
|
|
|
case "$PACKAGE" in
|
|
/*) UCIFILE="$PACKAGE";;
|
|
*)
|
|
UCIFILE="/tmp/.uci/$PACKAGE_BASE"
|
|
mkdir -p "/tmp/.uci"
|
|
;;
|
|
esac
|
|
|
|
# FIXME: add locking?
|
|
echo "$UPDATE" >> "$UCIFILE"
|
|
}
|
|
|
|
uci_set() {
|
|
local PACKAGE="$1"
|
|
local CONFIG="$2"
|
|
local OPTION="$3"
|
|
local VALUE="$4"
|
|
|
|
case "$PACKAGE" in
|
|
/*)
|
|
uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
|
|
;;
|
|
*)
|
|
( # spawn a subshell so you don't mess up the current environment
|
|
uci_load "$PACKAGE"
|
|
config_get OLDVAL "$CONFIG" "$OPTION"
|
|
if [ "x$OLDVAL" != "x$VALUE" ]; then
|
|
config_get type "$CONFIG" TYPE
|
|
[ -z "$type" ]
|
|
fi
|
|
) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
uci_add() {
|
|
local PACKAGE="$1"
|
|
local TYPE="$2"
|
|
local CONFIG="$3"
|
|
|
|
uci_add_update "$PACKAGE" "config '$TYPE' '$CONFIG'"
|
|
}
|
|
|
|
uci_rename() {
|
|
local PACKAGE="$1"
|
|
local CONFIG="$2"
|
|
local VALUE="$3"
|
|
|
|
uci_add_update "$PACKAGE" "config_rename '$CONFIG' '$VALUE'"
|
|
}
|
|
|
|
uci_remove() {
|
|
local PACKAGE="$1"
|
|
local CONFIG="$2"
|
|
local OPTION="$3"
|
|
|
|
if [ -z "$OPTION" ]; then
|
|
uci_add_update "$PACKAGE" "config_clear '$CONFIG'"
|
|
else
|
|
uci_add_update "$PACKAGE" "config_unset '$CONFIG' '$OPTION'"
|
|
fi
|
|
}
|
|
|
|
uci_commit() {
|
|
local PACKAGE="$1"
|
|
local PACKAGE_BASE="$(basename "$PACKAGE")"
|
|
|
|
case "$PACKAGE" in
|
|
/*) return 0;;
|
|
esac
|
|
mkdir -p /tmp/.uci
|
|
LOCK=`which lock` || LOCK=:
|
|
$LOCK "/tmp/.uci/$PACKAGE_BASE.lock"
|
|
[ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
|
|
updatestr=""
|
|
|
|
# replace handlers
|
|
config() {
|
|
append updatestr "config = uci_update_config(config, \"@$2=$1\")" "$N"
|
|
}
|
|
option() {
|
|
append updatestr "config = uci_update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
|
|
}
|
|
config_rename() {
|
|
append updatestr "config = uci_update_config(config, \"&$1=$2\")" "$N"
|
|
}
|
|
config_unset() {
|
|
append updatestr "config = uci_update_config(config, \"-$1.$2\")" "$N"
|
|
}
|
|
config_clear() {
|
|
append updatestr "config = uci_update_config(config, \"-$1\")" "$N"
|
|
}
|
|
|
|
. "/tmp/.uci/$PACKAGE_BASE"
|
|
|
|
# completely disable handlers so that they don't get in the way
|
|
config() {
|
|
return 0
|
|
}
|
|
option() {
|
|
return 0
|
|
}
|
|
|
|
config_load "$PACKAGE"
|
|
CONFIG_FILENAME="${CONFIG_FILENAME:-$UCI_ROOT/etc/config/$PACKAGE_BASE}"
|
|
uci_do_update "$CONFIG_FILENAME" "$updatestr" > "/tmp/.uci/$PACKAGE_BASE.new" && {
|
|
mv -f "/tmp/.uci/$PACKAGE_BASE.new" "$CONFIG_FILENAME" && \
|
|
rm -f "/tmp/.uci/$PACKAGE_BASE"
|
|
}
|
|
)
|
|
$LOCK -u "/tmp/.uci/$PACKAGE_BASE.lock"
|
|
}
|
|
|
|
|