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pivpn/scripts/openvpn/removeOVPN.sh
2019-11-07 17:29:21 +01:00

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#!/usr/bin/env bash
# PiVPN: revoke client script
setupVars="/etc/pivpn/setupVars.conf"
INDEX="/etc/openvpn/easy-rsa/pki/index.txt"
if [ ! -f "${setupVars}" ]; then
echo "::: Missing setup vars file!"
exit 1
fi
source "${setupVars}"
helpFunc() {
echo "::: Revoke a client ovpn profile"
echo ":::"
echo "::: Usage: pivpn <-r|revoke> [-h|--help] [<client-1>] ... [<client-n>] ..."
echo ":::"
echo "::: Commands:"
echo "::: [none] Interactive mode"
echo "::: <client> Client(s) to to revoke"
echo "::: -h,--help Show this help dialog"
}
# Parse input arguments
while test $# -gt 0
do
_key="$1"
case "$_key" in
-h|--help)
helpFunc
exit 0
;;
*)
CERTS_TO_REVOKE+=("$1")
;;
esac
shift
done
if [ ! -f "${INDEX}" ]; then
printf "The file: %s was not found\n" "$INDEX"
exit 1
fi
if [[ -z "${CERTS_TO_REVOKE}" ]]; then
printf "\n"
printf " ::\e[4m Certificate List \e[0m:: \n"
i=0
while read -r line || [ -n "$line" ]; do
STATUS=$(echo "$line" | awk '{print $1}')
if [[ "${STATUS}" = "V" ]]; then
NAME=$(echo "$line" | sed -e 's:.*/CN=::')
CERTS[$i]=${NAME}
if [ "$i" != 0 ]; then
# Prevent printing "server" certificate
printf " %s\n" "$NAME"
fi
let i=i+1
fi
done <${INDEX}
printf "\n"
echo -n "::: Please enter the Name of the client to be revoked from the list above: "
read -r NAME
if [[ -z "${NAME}" ]]; then
echo "You can not leave this blank!"
exit 1
fi
for((x=1;x<=i;++x)); do
if [ "${CERTS[$x]}" = "${NAME}" ]; then
VALID=1
fi
done
if [ -z "${VALID}" ]; then
printf "You didn't enter a valid cert name!\n"
exit 1
fi
CERTS_TO_REVOKE=( "${NAME}" )
else
i=0
while read -r line || [ -n "$line" ]; do
STATUS=$(echo "$line" | awk '{print $1}')
if [[ "${STATUS}" = "V" ]]; then
NAME=$(echo "$line" | sed -e 's:.*/CN=::')
CERTS[$i]=${NAME}
let i=i+1
fi
done <${INDEX}
for (( ii = 0; ii < ${#CERTS_TO_REVOKE[@]}; ii++)); do
VALID=0
for((x=1;x<=i;++x)); do
if [ "${CERTS[$x]}" = "${CERTS_TO_REVOKE[ii]}" ]; then
VALID=1
fi
done
if [ "${VALID}" != 1 ]; then
printf "You passed an invalid cert name: '"%s"'!\n" "${CERTS_TO_REVOKE[ii]}"
exit 1
fi
done
fi
cd /etc/openvpn/easy-rsa || exit
for (( ii = 0; ii < ${#CERTS_TO_REVOKE[@]}; ii++)); do
printf "\n::: Revoking certificate '"%s"'.\n" "${CERTS_TO_REVOKE[ii]}"
./easyrsa --batch revoke "${CERTS_TO_REVOKE[ii]}"
./easyrsa gen-crl
printf "\n::: Certificate revoked, and CRL file updated.\n"
printf "::: Removing certs and client configuration for this profile.\n"
rm -rf "pki/reqs/${CERTS_TO_REVOKE[ii]}.req"
rm -rf "pki/private/${CERTS_TO_REVOKE[ii]}.key"
rm -rf "pki/issued/${CERTS_TO_REVOKE[ii]}.crt"
rm -rf "${install_home}/ovpns/${CERTS_TO_REVOKE[ii]}.ovpn"
rm -rf "/etc/openvpn/easy-rsa/pki/${CERTS_TO_REVOKE[ii]}.ovpn"
cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
done
printf "::: Completed!\n"