xNightR00T File Manager

#!/bin/bash
#
#	Dispatch custom script hook actions.
#
#	Copyright (C) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
#
#	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, see <http://www.gnu.org/licenses/>.
#
#	Authors:
#		Marius Tomaschewski <mt@suse.de>
###

###
### remove comment chars to trace this script:
###
#exec 2>/tmp/dispatch.$$.trace
#set -vx

shopt -s nullglob
action=$1
shift

get_scripts()
{
	test -n "$1" -a -f "$1" || return 0
	wicked xpath --file "$1" --reference '/arguments/config' '%{?script}' 2>/dev/null
}

filter_ext()
{
	case $1 in
	*.rpm*|*.old|*.bak|*.orig|*.rej|*.scpmbackup|*~|"")
		return 1 ;;
	*)	return 0 ;;
	esac
}
prepend_dir()
{
	local X="$1" ; shift
	local D S
	case $X in
	"")     ;;
	/*)	test -x "$X" && S=$X ;;
	*)	for D in "$@" ; do
			if test -x "$D/$X" ; then
				S="$D/$X"
				break
			fi
		done
	;;
	esac
	echo "$S"
}

call_systemd_service()
{
	local IFNAME=$1 ; shift
	local ACTION=$1 ; shift
	local SERVICE=$1 ; shift

	case $SERVICE in
	"")	return 1 ;;
	*@.service)
		SERVICE="${SERVICE%@.service}"
		test "X$SERVICE" = X && return 1
		SERVICE="$SERVICE@${IFNAME}.service"
	;;
	esac

	case $ACTION in
	pre-up|post-up)
		systemctl start "$SERVICE"
	;;
	pre-down|post-down)
		systemctl stop  "$SERVICE"
	;;
	esac
}

call_compat_suse_script()
{
	local INTERFACE=$1 ; shift
	local ACTION=$1    ; shift
	local SCRIPT=$1    ; shift
	local CONFIG=$INTERFACE

	export INTERFACE CONFIG
	"$SCRIPT" "$CONFIG" "$INTERFACE" -o "$ACTION"
	unset INTERFACE CONFIG
}
call_compat_suse_scripts()
{
	local IFNAME=$1 ; shift
	local ACTION=$1 ; shift
	local SCRIPT=$1 ; shift
	local DIR=/etc/sysconfig/network
	local D S

	SCRIPT=`prepend_dir "$SCRIPT" "$DIR/scripts" "$DIR"`
	if test "X$SCRIPT" = X ; then
		return 1
	elif test -d "$SCRIPT" ; then
		for S in "$SCRIPT"/* ; do
			filter_ext "${S##*/}" || continue
			test -x "$S"          || continue
			call_compat_suse_script "$IFNAME" "$ACTION" "$S"
		done
	else
		call_compat_suse_script "$IFNAME" "$ACTION" "$SCRIPT"
	fi
	return 0
}

call_wicked_script()
{
	local IFNAME=$1 ; shift
	local ACTION=$1 ; shift
	local SCRIPT=$1 ; shift

	"$SCRIPT" "$ACTION" "$IFNAME"
	return 0
}
call_wicked_scripts()
{
	local IFNAME=$1 ; shift
	local ACTION=$1 ; shift
	local SCRIPT=$1 ; shift
	local DIR=/etc/wicked
	local D S

	SCRIPT=`prepend_dir "$SCRIPT" "$DIR/scripts"`
	if test "X$SCRIPT" = X ; then
		return 1
	elif test -d "$SCRIPT" ; then
		for S in "$SCRIPT"/* ; do
			filter_ext "${S##*/}" || continue
			test -x "$S"          || continue
			call_wicked_script "$IFNAME" "$ACTION" "$S"
		done
	else
		call_wicked_script "$IFNAME" "$ACTION" "$SCRIPT"
	fi
	return 0
}

call_script()
{
	local IFNAME=$1 ; shift
	local ACTION=$1 ; shift
	local SCRIPT=$1 ; shift

	case $SCRIPT in
	compat:suse:*) call_compat_suse_scripts "$IFNAME" "$ACTION" "${SCRIPT:12}" ;;
	systemd:*)     call_systemd_service "$IFNAME" "$ACTION" "${SCRIPT:8}" ;;
	wicked:*)      call_wicked_scripts "$IFNAME" "$ACTION" "${SCRIPT:7}" ;;
	*:*|"")        return 1 ;;
	*)             call_wicked_scripts "$IFNAME" "$ACTION" "$SCRIPT" ;;
	esac
}

case $action in
pre-up|post-up|pre-down|post-down|up-timeout)
	if test -n "$WICKED_ARGFILE" ; then
		for script in `get_scripts "$WICKED_ARGFILE"` ; do
			call_script "$WICKED_INTERFACE_NAME" "$action" "$script"
		done
	fi
	disown -a
	;;
*)
	logger -p user.debug -t "wicked-dispatch" "Unsupported script action '$action'"
	;;
esac

exit 0