add new /bin/uci script and api for manipulating buildroot-ng config files

[openwrt.git] / package / base-files / default / bin / uci

diff --git a/package/base-files/default/bin/uci b/package/base-files/default/bin/uci
new file mode 100755 (executable)
index 0000000..7f43549
--- /dev/null
+++ b/package/base-files/default/bin/uci
@@ -0,0 +1,159 @@
+#!/bin/sh
+# Shell script for interacting with config files
+#
+# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraumhofer.de>
+# Copyright (C) 2006 by 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
+
+. /etc/functions.sh
+include /lib/config
+
+do_get() {
+       [ $# -ne 3 ] && {
+               uci_usage get
+               exit 1
+       }
+       local PACKAGE="$1"
+       local CONFIG="$2"
+       local OPTION="$3"
+
+       uci_load "$PACAKGE"
+       config_get "$CONFIG" "$OPTION"
+}
+
+do_set() {
+       [ $# -ne 4 ] && {
+               uci_usage set
+               exit 1
+       }
+       uci_set "$@"
+}
+
+do_add() {
+       [ $# -ne 3 ] && {
+               uci_usage add
+               exit 1
+       }
+       uci_add "$@"
+}
+
+do_rename() {
+       [ $# -ne 3 ] && {
+               uci_usage rename
+               exit 1
+       }
+       uci_rename "$@"
+}
+
+do_remove() {
+       [ $# -ne 3 -a $# -ne 2 ] && {
+               uci_usage rename
+               exit 1
+       }
+       uci_remove "$@"
+}
+
+do_commit() {
+       [ $# -ne 1 ] && {
+               uci_usage commit
+               exit 1
+       }
+       uci_commit "$1"
+}
+
+do_show() {
+       [ $# -gt 2 -o $# -lt 1 ] && {
+               uci_usage show
+               exit 1
+       }
+       
+       PACKAGE="$1"
+       CONFIG="$2"
+       SECTION=""
+       
+       config_cb() {
+               if [ -z "$CONFIG" -o "$CONFIG" = "$2" ]; then
+                       append SECTION "$2"
+                       option_cb() {
+                               append "${CONFIG_SECTION}_VARS" "$1"
+                       }
+               else
+                       option_cb() {
+                               return 0
+                       }
+               fi
+       }
+                       
+       uci_load "$PACKAGE"
+       
+       for section in $SECTION; do
+               config_get type "$section" TYPE
+               [ -z "$type" ] && continue
+               echo "@$section=$type"
+               eval "VARS=\"\${${section}_VARS}\""
+               for var in $VARS; do
+                       config_get val "$section" "$var"
+                       [ -n "$val" ] && {
+                               echo "${section}.${var}=${val}"
+                               config_set "$section" "$var" ""
+                       }
+               done
+               config_set "$section" TYPE ""
+       done
+}
+
+uci_usage() {
+       case "$1" in
+               show) echo "$0 show <package> [<config>]";;
+               get) echo "$0 get <package> <config> <option>";;
+               set) echo "$0 set <package> <config> <option> <value>";;
+               add) echo "$0 add <package> <type> <config>";;
+               del) echo "$0 del <package> <config> [<option>]";;
+               rename) echo "$0 rename <package> <config> <name>";;
+               commit) echo "$0 commit <package>";;
+               *) 
+                       echo "Syntax: $0 <command> <arguments...>"
+                       echo
+                       uci_usage show
+                       uci_usage get
+                       uci_usage set
+                       uci_usage add
+                       uci_usage del
+                       uci_usage rename
+                       uci_usage commit
+                       echo
+                       exit 1
+               ;;
+       esac
+}
+
+if [ $# -eq 0 ] ; then
+       uci_usage
+       exit 0
+fi
+CMD="$1"
+shift
+case "$CMD" in
+       set) do_set "$@";;
+       add) do_add "$@";;
+       del) do_remove "$@";;
+       rename) do_rename "$@";;
+       get) do_get "$@";;
+       show) do_show "$@";;
+       commit) do_commit "$@";;
+       *) uci_usage;;
+esac
+exit 0