#!/bin/sh

#check_reader() {
#    readerfound=0
#
#    readertmp=$(/usr/bin/openct-tool list 2>&1)
#    if [ $? = 0 ] ; then
#        readerfound=1
#    fi
#}

wait_reader() {
#    check_reader
    echo "Waiting for Smart Card reader..." >&2
    /usr/bin/openct-tool rwait >/dev/null 2>&1
    if [ $? != 0 ]; then
        echo 'Failed to find Smart Card reader!' >&2
    fi
#    if [ $readerfound = 0 ] ; then
#        tries=0
#        while [ $readerfound == 0 -a $tries -lt 60 ] ; do
#            echo "Waiting for Smart Card reader..." >&2
#            sleep 1
#            check_reader
#            tries=$(($tries + 1))
#        done
#        if [ $readerfound = 0 ] ; then
#            echo 'Failed to find Smart Card reader!' >&2
#            exit 1
#        fi
#    fi
}

wait_card() {
    echo "Waiting for Smart Card..." >&2
    /usr/bin/openct-tool wait >/dev/null 2>&1
    if [ $? != 0 ]; then
        echo 'Failed to find Smart Card!' >&2
    fi
}

/usr/sbin/openct-control init
wait_reader
wait_card

# Due to a bug in openct, the --label does not work on data objects, means,
# all data objects have by default the label 'pkcs15-init', that's why we are
# setting the label manually if none is configured by the user.

if [ -z "$1" ] || [ "$1" = "none" ] ; then
	LABEL="pkcs15-init"
else
	LABEL="$1"
fi

if [ -x /bin/plymouth ] && plymouth --ping; then
	# Get pin number from plymouth
	/usr/bin/pkcs15-tool --read-data-object $LABEL --pin "$(plymouth ask-for-password --prompt "Enter pin for $crypttarget ($cryptsource): ")" -o /proc/self/fd/3 3>&1 1>/dev/null 2>&1
else
	# Interactive call, user enters pin
	/usr/bin/pkcs15-tool --read-data-object $LABEL -o /proc/self/fd/3 3>&1 1>/dev/null 2>&1
fi

exit $?