This file is indexed.

/usr/share/initramfs-tools/scripts/local-top/cryptopensc is in cryptsetup 2:1.4.1-2ubuntu4.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh

set -e

PREREQ=""

prereqs()
{
    echo "$PREREQ"
}

case $1 in
    prereqs)
        prereqs
        exit 0
        ;;
esac

. /scripts/functions

# Hook for starting smartcard reading software

if [ ! -e /sbin/pcscd ]; then
    exit 0
fi

# Start pcscd daemon nomrally:
#   start-stop-daemon --start --quiet \
#       --pidfile /var/run/pcscd.pid \
#       --exec /sbin/pcscd
# Alternatively, start pcscd daemon in foreground so that it's pretty colored
# output may be seen on the console, useful for watching error messages since
# pcscd uses syslog which is not available (use --error or --critical to filter
# out debug message clutter):
#    /sbin/pcscd --error --foreground &
/sbin/pcscd --foreground &