# Create a temporary file random name and open it with vi
function tmp {
    curran=$RANDOM$RANDOM
    echo "Temporary file name: /tmp/$curran"
    vi /tmp/$curran
}


# HTTP and HTTPS response check
function chkhttpz {
    # http response checks from a given host / port
    echo "HTTP responses"
    wget --spider -S "http://$1:$2/" 2>&1 | grep "HTTP/"

    echo "\nHTTPS responses"
    wget --spider -S "https://$1:$2/" 2>&1 | grep "HTTP/"
}


# Show certificate of website
function chkcrt {
    # check ssl certificate of a server
    openssl s_client -showcerts -connect $1:$2
}


# Quickly get random characters
function rnd {
    # get some random characters
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-8};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-16};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-32};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-64};echo;
}