/home/drscream

The code:

#/bin/bash

bashBox () {
	str="$@"
	len=$((${#str}+4))
	for i in $(seq $len); do echo -n "*"; done;
	echo; echo "* "$str" *";
	for i in $(seq $len); do echo -n "*"; done;
	echo
}

bashBox "Yea, a bash Box"

The output:

 % ./bashbox.sh
*******************
* Yea, a bash Box *
*******************