revoke client cert

revoke_user.sh

#!/bin/bash

function usage () {
	echo "$0 [CA section name] [username]"
	exit 1
}

if [ $# -ne 2 ]
then
	usage
fi

CA_NAME="$1"
USERNAME="$2"

SSL_DIR="/etc/ssl"
SSL_PRIVATE_DIR="$SSL_DIR/${CA_NAME}/private"
SSL_CERTS_DIR="$SSL_DIR/${CA_NAME}/certs"
USERS_DIR="${SSL_CERTS_DIR}/users"

# Revoke a particular user's certificate.
openssl ca -name ${CA_NAME} -revoke ${USERS_DIR}/${USERNAME}.crt -keyfile $SSL_PRIVATE_DIR/ca.key -cert $SSL_CERTS_DIR/ca.crt

# Update the Certificate Revocation list for removing 'user certificates.'
openssl ca -name ${CA_NAME} -gencrl -keyfile $SSL_PRIVATE_DIR/ca.key -cert $SSL_CERTS_DIR/ca.crt -out $SSL_PRIVATE_DIR/ca.crl -crldays 1095