ssl cert parsing

ssl.sh

_ssl() {
  local adr=$1;
  local _d;
  
  _d=$(
      echo -n \
         | openssl s_client -connect "$adr":443 2>/dev/null \
         | openssl x509 -noout -text \
  );
  
  echo "Certifificate Subject:"
  echo "$_d" | grep 'Subject:';
  
  echo "SNI:"
  echo "$_d" \
    | grep "DNS" \
    | tr ',' '\n' \
    | awk -F':' '{print $2}';
}