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Editing File: /usr/lib/udev/usb_modeswitch

#!/bin/sh
# part of usb_modeswitch 2.6.1
device_in()
{
	if [ ! -e /var/lib/usb_modeswitch/$1 ]; then
		return 0
	fi
	while read line
	do
		if [ $(expr "$line" : "$2:$3") != 0 ]; then
			return 1
		fi
	done </var/lib/usb_modeswitch/$1
	if [ $(expr "$line" : "$2:$3") != 0 ]; then
		return 1
	fi
	return 0
}

if [ $(expr "$1" : "--.*") ]; then
	p_id=$4
	if [ -z $p_id ]; then
		prod=$5
		if [ -z $prod ]; then
			prod=$3
		fi
		prod=${prod%/*}
		v_id=0x${prod%/*}
		p_id=0x${prod#*/}
		if [ "$v_id" = "0x" ]; then
			v_id="0"
			p_id="0"
		fi
		v_id="$(printf %04x $(($v_id)))"
		p_id="$(printf %04x $(($p_id)))"
	else
		v_id=$3
	fi
fi
PATH=/sbin:/usr/sbin:$PATH
case "$1" in
	--driver-bind)
		# driver binding code removed
		exit 0
		;;
	--symlink-name)
		device_in "link_list" $v_id $p_id
		if [ "$?" = "1" ]; then
			if [ -e "/usr/sbin/usb_modeswitch_dispatcher" ]; then
				export TMPDIR=/run
				exec usb_modeswitch_dispatcher $1 $2 2>>/dev/null
			fi
		fi
		exit 0
		;;
esac

IFS='/' read -r p1 p2 <<EOF
$1
EOF
if [ "$p2" = "" -a "$p1" != "" ]; then
	p2=$p1
fi

PATH=/bin:/sbin:/usr/bin:/usr/sbin
init_path=`readlink -f /sbin/init`
if [ `basename $init_path` = "systemd" ] && [ -d "/run/systemd/system/" ]; then # Test if systemd is running
	systemctl --no-block restart usb_modeswitch@$p2.service
elif [ -e "/etc/init/usb-modeswitch-upstart.conf" ]; then
	initctl emit --no-wait usb-modeswitch-upstart UMS_PARAM=$p2
else
	# only old distros, new udev will kill all subprocesses
	exec 1<&- 2<&- 5<&- 7<&-
	exec usb_modeswitch_dispatcher --switch-mode $p2 &
fi
exit 0

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