Add script 'revoke_key.sh'.
This commit is contained in:
341
revoke_key.sh
Executable file
341
revoke_key.sh
Executable file
@@ -0,0 +1,341 @@
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#!/usr/bin/env bash
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script_dir="$(dirname $(realpath $0))"
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log_file="$(mktemp)"
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_date="$(date +%Y-%m-%d-%H%M)"
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key_names_reserverd="ta ca server"
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#---------------------------------------
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#-----------------------------
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# Some functions
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#-----------------------------
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#---------------------------------------
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clean_up() {
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# Perform program exit housekeeping
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rm $log_file
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exit $1
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}
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is_number() {
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return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
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# - also possible
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# -
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#[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
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#return $([[ ! -z "${1##*[!0-9]*}" ]])
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}
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is_int() {
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return $(test "$@" -eq "$@" > /dev/null 2>&1);
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}
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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error(){
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echo ""
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echo -e "\t[ \033[31m\033[1mError\033[m ]: $*"
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echo ""
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}
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fatal(){
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echo ""
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echo -e "\t[ \033[31m\033[1mFatal\033[m ]: $*"
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echo ""
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echo -e "\t\033[37m\033[1mInstalllation will be interrupted\033[m\033[m"
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echo ""
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clean_up 1
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}
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warn (){
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echo ""
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echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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echo_done() {
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echo -e "\033[80G[ \033[32mdone\033[m ]"
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}
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echo_ok() {
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echo -e "\033[80G[ \033[32mok\033[m ]"
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}
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echo_warning() {
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echo -e "\033[80G[ \033[33m\033[1mwarn\033[m ]"
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}
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echo_failed(){
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echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[80G[ \033[37mskipped\033[m ]"
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}
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trap clean_up SIGHUP SIGINT SIGTERM
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clear
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echo ""
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echo -e "\033[21G\033[32mRevoke OpenVPN key.. \033[m"
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echo ""
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echo ""
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declare -a conf_file_arr=()
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declare -a conf_name_arr=()
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for _conf_file in `ls ${script_dir}/conf/server-*.conf 2>/dev/null` ; do
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conf_file_arr+=("${_conf_file}")
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_basename=$(basename $_conf_file)
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_tmp_name=${_basename%%.*}
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_tmp_name=${_tmp_name#*-}
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conf_name_arr+=("$_tmp_name")
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done
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if [[ ${#conf_file_arr[@]} -lt 1 ]] ; then
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fatal "NO Configuration found!"
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fi
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echo ""
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declare -i i=0
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if [[ ${#conf_file_arr[@]} -gt 1 ]] ; then
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echo ""
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echo "Which Configuration should be loaded?"
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echo ""
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for _conf_file in ${conf_file_arr[@]} ; do
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echo " [${i}] ${conf_name_arr[${i}]}"
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(( i++ ))
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done
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_OK=false
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echo
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echononl "Eingabe: "
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while ! $_OK ; do
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read _IN
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if is_number "$_IN" && [[ -n ${conf_file_arr[$_IN]} ]]; then
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conf_file=${conf_file_arr[$_IN]}
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_OK=true
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else
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echo ""
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echo -e "\tFalsche Eingabe !"
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echo ""
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echononl "Eingabe: "
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fi
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done
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else
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conf_file=${conf_file_arr[0]}
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fi
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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#---------------------------------------
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#-----------------------------
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# Read Configurations from $conf_file
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#-----------------------------
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#---------------------------------------
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echononl " Load Configuration File $(basename ${conf_file}).."
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if [[ ! -f "$conf_file" ]]; then
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echo_failed
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fatal "Configuration file \033[37m\033[1m$(basename ${conf_file})\033[m not found!"
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else
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source "${conf_file}" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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fi
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EASY_RSA_DIR="${OPENVPN_BASE_DIR}/easy-rsa"
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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KEY_NAME_TO_REVOKE=""
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if [ -z "$KEY_NAME_TO_REVOKE" ]; then
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echo "Insert key name you wish to revoke."
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echo ""
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echo ""
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echononl "key name to revoke: "
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read KEY_NAME_TO_REVOKE
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while [ "X$KEY_NAME_TO_REVOKE" = "X" ] ; do
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echo -e "\n\t\033[33m\033[1mKey name is required!\033[m\n"
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echononl "key name: "
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read KEY_NAME_TO_REVOKE
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done
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fi
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for _name in $key_names_reserverd ; do
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[[ "$_name" = "$KEY_NAME_TO_REVOKE" ]] && fatal "Name '$KEY_NAME_TO_REVOKE' cannot be used - its a reserved name!"
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done
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if [[ ! -f "${OPENVPN_BASE_DIR}/keys/${KEY_NAME_TO_REVOKE}.key" ]]; then
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fatal "Key '$KEY_NAME_TO_REVOKE' not found!"
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fi
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Key Name to revoke......: $KEY_NAME_TO_REVOKE"
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info "Going to revoke key \033[37m\033[1m${KEY_NAME_TO_REVOKE}.key\033[m.."
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echo -n "To continue type uppercase 'YES': "
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read OK
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echo ""
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if [[ "$OK" != "YES" ]] ; then
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fatal "Abort by user request - Answer as not 'YES'"
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fi
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#---------------------------------------
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#-----------------------------
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# Revoke Key
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#-----------------------------
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#---------------------------------------
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echo ""
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# ---
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# ---
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echononl "Backup existing OpenVPN directory '$OPENVPN_BASE_DIR'.."
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if [[ -d "$OPENVPN_BASE_DIR" ]]; then
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cp -a "$OPENVPN_BASE_DIR" "${OPENVPN_BASE_DIR}.$_date" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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else
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echo_skipped
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fatal "OpenVPN directory '$OPENVPN_BASE_DIR' not found!"
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fi
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# ---
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# - source file vars
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# ---
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echononl " Load configuration '${EASY_RSA_DIR}/vars'.."
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source ${EASY_RSA_DIR}/vars > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# ---
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# - Revoke Key
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# ---
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echo ""
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echo -e "\033[32m--\033[m"
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echo "Revoke Key ${KEY_NAME_TO_REVOKE}.key .."
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echo -e "\033[32m--\033[m"
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echo ""
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echononl "Change into key directory '$KEY_DIR'.."
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cd "$KEY_DIR" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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echononl "Set Defaults .."
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CRL="crl.pem"
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RT="revoke-test.pem"
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export KEY_CN=""
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export KEY_OU=""
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export KEY_NAME=""
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echo_ok
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echononl "Remove file '$RT'.."
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rm -f "$RT" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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echononl "Revoke key ${KEY_NAME_TO_REVOKE}.key and update data base .."
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$OPENSSL ca -revoke "${KEY_NAME_TO_REVOKE}.crt" -config "$KEY_CONFIG" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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echononl "Generate a new CRL -- try to be compatible with intermediate PKIs"
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$OPENSSL ca -gencrl -out "$CRL" -config "$KEY_CONFIG" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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# ---
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# - Check if Revokation was sucessfully.
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# ---
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echo ""
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echo -e "\033[32m--\033[m"
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echo "Check if Revokation of Key ${KEY_NAME_TO_REVOKE} was sucessfully.."
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echo -e "\033[32m--\033[m"
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echo ""
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echononl "Create CA file '$RT' from $CRL to check against.."
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if [ -e export-ca.crt ]; then
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cat export-ca.crt "$CRL" >"$RT" 2> "$log_file"
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_retval=$?
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else
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cat ca.crt "$CRL" >"$RT" 2> "$log_file"
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_retval=$?
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fi
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if [[ $_retval -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fatal "Verifying the revocation is not possible!"
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fi
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echononl "Verify the revocation.."
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$OPENSSL verify -CAfile "$RT" -crl_check "${KEY_NAME_TO_REVOKE}.crt" > "$log_file" 2>&1
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if [[ $? -eq 2 ]]; then
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echo_ok
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info "Key \033[37m\033[1m${KEY_NAME_TO_REVOKE}.key\033[m successfully revoked."
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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clean_up 0
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