#!/bin/sh -e
. "$1"

if [ -z "$path" ]
then
    echo "failed=True msg=Path not set."
    exit
fi

if [ ! -r $path ]
then
    echo "failed=True msg=Can\'t access path."
    exit
fi

if [ ! -f $path ]
then
    echo "failed=True msg=Path doesn't exist or is not a file."
    exit
fi

bits="$(openssl dhparam -in $path -text -noout \
    | sed -n 's/[a-zA-Z#0-9 \-]*Parameters: (\([0-9]*\) bit)/\1/p')"

echo "{ \"changed\": false, \"path\": \"$path\", \"bits\": $bits }"