shell script to create a self signed certificate

mksscert.sh

#!/bin/sh

[ -f server.csr ] && rm -f server.csr
[ -f server.crt ] && rm -f server.crt
[ -f server.key ] && rm -f server.key

[ "$1" == clean ] && exit 1

SUBJ=/C=JP/ST=Tokyo/L=Shibuya/O=$(id -un)/CN=$(hostname -f)

openssl genrsa -out server.key 1024
openssl req -new -key server.key -out server.csr -subj ${SUBJ}
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt
rm -f server.csr

curl https://gist.github.com/raw/4273293/f1424d788be0df8f692149de41a92ba93874cfa1/mksscert.sh | sh