412 lines
9.8 KiB
Bash
Executable File
412 lines
9.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ===============================================================
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# - Don't make definitions here! Do this at the configuration file
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# ================================================================
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/check_cert_for_service.conf"
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# ----------
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# -
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# - Script checks, whether the certificate for mumble services are up to date. If
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# - newer versions than the installed one found, script changes the installed
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# - key/cert to the latest version.
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# -
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# - Note !!
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# - This script is very special to the server environment of machine 'o13-il.oopen.de'
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# -
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# ----------
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LOCK_DIR="/tmp/check_cert_${service_name}.sh.LOCK"
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log_file="${LOCK_DIR}/check_cert_${service_name}.log"
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restart_service=false
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# -------------
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# --- Some functions
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# -------------
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$LOCK_DIR"
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exit $1
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}
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echononl(){
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if $terminal ; then
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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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fi
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ]: $*"
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echo ""
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echo -e " \033[31m\033[1mScript was interupted\033[m!"
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else
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echo " [ Fatal ]: $*"
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echo ""
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echo " Script was terminated...."
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fi
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echo ""
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clean_up 1
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}
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error() {
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ]: $*"
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else
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echo " [ Error ]: $*"
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fi
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echo ""
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}
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warn() {
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mWarning\033[m ]: $*"
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else
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echo " [ Warning ]: $*"
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fi
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echo ""
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}
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info() {
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if $terminal ; then
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echo ""
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echo -e " [ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_done() {
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if $terminal ; then
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echo -e "\033[75G[ \033[32mok\033[m ]"
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fi
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}
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# -------------
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# - Job is already running?
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# -------------
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# - If job already runs, stop execution..
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# -
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if mkdir "$LOCK_DIR" 2> /dev/null ; then
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# - Remove lockdir when the script finishes, or when it receives a signal
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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else
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msg="A previos instance of script \"`basename $0`\" seems already be running."
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echo ""
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if $terminal ; then
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echo -e "[ \033[31m\033[1mFatal\033[m ]: $msg"
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echo ""
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echo -e " \033[31m\033[1mScript was interupted\033[m!"
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else
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echo " [ Fatal ]: $msg"
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echo ""
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echo " Script was interupted!"
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fi
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echo
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exit 1
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fi
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# -------------
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# --- Some checks
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# -------------
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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fi
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# - Read Configurations from $conf_file
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# -
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if [[ ! -f "$conf_file" ]]; then
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fatal " Configuration file '$(basename ${conf_file})' not found!"
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else
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source $conf_file
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fi
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# - Systemd supported ?
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# -
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systemd_supported=false
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systemd=$(which systemd)
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systemctl=$(which systemctl)
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if [[ -n "$systemd" ]] && [[ -n "$systemctl" ]] ; then
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systemd_supported=true
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fi
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SYSTEMD_SERVICE=
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SYSV_INIT_SCRIPT=
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if $systemd_supported ; then
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if systemctl -t service list-unit-files \
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| grep -e "^${service_name,,}d" \
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| grep -q -E "(enabled|disabled|generated)" 2> /devnull ; then
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SYSTEMD_SERVICE="$(systemctl -t service list-unit-files | grep -e "^${service_name,,}d" | awk '{print$1}' | head -1)"
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elif systemctl -t service list-unit-files \
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| grep -e "^${service_name,,}-server" \
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| grep -q -E "(enabled|disabled|generated)" 2> /devnull ; then
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SYSTEMD_SERVICE="$(systemctl -t service list-unit-files | grep -e "^${service_name,,}-server" | awk '{print$1}' | head -1)"
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elif systemctl -t service list-unit-files \
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| grep -e "^${service_name,,}" \
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| grep -q -E "(enabled|disabled|generated)" 2> /devnull ; then
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SYSTEMD_SERVICE="$(systemctl -t service list-unit-files | grep -e "^${service_name,,}" | awk '{print$1}' | head -1)"
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fi
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fi
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if [[ -z "$SYSTEMD_SERVICE" ]]; then
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if [[ -x "/etc/init.d/${service_name,,}" ]]; then
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SYSV_INIT_SCRIPT="/etc/init.d/${service_name,,}"
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elif [[ -x "/etc/init.d/${service_name,,}d" ]]; then
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SYSV_INIT_SCRIPT="/etc/init.d/${service_name,,}d"
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elif [[ -x "/etc/init.d/${service_name,,}-server" ]]; then
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SYSV_INIT_SCRIPT="/etc/init.d/${service_name,,}-server"
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fi
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fi
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if [[ -z "$SYSTEMD_SERVICE" ]] && [[ -z "$SYSV_INIT_SCRIPT" ]] ; then
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fatal "Neither an init-script nor a service file for $service_name found!"
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fi
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#echo "SYSTEMD_SERVICE: $SYSTEMD_SERVICE"
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#echo "SYSV_INIT_SCRIPT: $SYSV_INIT_SCRIPT"
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#clean_up 0
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# -------------
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# - Don't run script, if any give path for cert/key does not exists
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# -------------
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if [[ ! -f "$cert_installed" ]] ; then
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fatal "Installed Certificate '$cert_installed' for service '${service_name}' not found!"
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elif [[ ! -f "$cert_newest" ]] ; then
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fatal "Newest Certificate '$cert_newest' for service '${service_name}' not found!"
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elif [[ ! -f "$key_installed" ]]; then
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fatal "Installed Key '$key_installed' for service '${service_name}' not found!"
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elif [[ ! -f "$key_newest" ]] ; then
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fatal "Newest Key '$key_newest' for service '${service_name}' not found!"
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fi
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# -------------
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# - Check if key/cert are up to date, change them if needed.
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# -------------
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if ! diff "$(realpath "$cert_installed")" "$(realpath "$cert_newest")" > /dev/null 2>&1 ; then
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_failed=false
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warn "Certificate for service '${service_name}' is outdated!
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Try to update certificate and key.."
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echononl " Update certificat for for service '${service_name}' .."
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> $log_file
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if [[ -h "$cert_installed" ]] ; then
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rm "$(realpath "$cert_installed")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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fi
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rm "$cert_installed" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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cp -a "$(realpath "$cert_newest")" "$(dirname "$cert_installed")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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chown ${service_user}:$service_group "$(dirname "$cert_installed")/$(basename "$(realpath "$cert_newest")")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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ln -s "$(basename "$(realpath "$cert_newest")")" "$cert_installed" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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if $_failed ; then
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echo_failed
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error "$(cat "$log_file")"
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else
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echo_done
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fi
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if ! $_failed ; then
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_failed=false
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echononl " Update key for service '${service_name}' .."
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if [[ -h "$key_installed" ]] ; then
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rm "$(realpath "$key_installed")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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fi
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rm "$key_installed" > $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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cp -a "$(realpath "$key_newest")" "$(dirname "$key_installed")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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chown ${service_user}:$service_group "$(dirname "$key_installed")/$(basename "$(realpath "$key_newest")")" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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ln -s "$(basename "$(realpath "$key_newest")")" "$key_installed" >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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if $_failed ; then
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echo_failed
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error "$(cat "$log_file")"
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else
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echo_done
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restart_service=true
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fi
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fi
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if ! $_failed ; then
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if $terminal ; then
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info "Certificate/Key for service '${service_name}' is now up to date"
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else
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echo ""
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echo " [ Info ]: Certificate/Key for service '${service_name}' is now up to date"
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echo ""
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fi
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else
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error "Updating Certificate/Key for service '${service_name}' failed!"
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fi
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else
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up_to_date=true
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info "Certificate for service '${service_name}' is up to date!"
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fi
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if $restart_service ; then
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_failed=false
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echononl "Going to restart Service '${service_name}' .."
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if [[ -n "$SYSTEMD_SERVICE" ]] ; then
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$systemctl daemon-reload > $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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sleep 2
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$systemctl stop $SYSTEMD_SERVICE >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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sleep 10
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$systemctl start $SYSTEMD_SERVICE >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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if $_failed ; then
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echo_failed
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error "$(cat "$log_file")"
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else
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echo_done
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fi
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else
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$SYSV_INIT_SCRIPT stop > $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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sleep 10
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$SYSV_INIT_SCRIPT start >> $log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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if $_failed ; then
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echo_failed
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error "$(cat "$log_file")"
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else
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echo_done
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fi
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fi
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if ! $_failed ; then
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declare -i counter=0
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PID=$(ps -e f | grep -E "${check_string_ps}"| grep -v grep | awk '{print$1}')
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while [[ "X${PID}" = "X" ]]; do
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if [[ $counter -gt 10 ]]; then
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_failed=true
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break
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else
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((counter++))
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fi
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sleep 1
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PID=$(ps -e f | grep -E "${check_string_ps}"| grep -v grep | awk '{print$1}')
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done
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fi
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if $_failed ; then
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error "Restarting service '${service_name}' failed!"
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else
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if $terminal ; then
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info "'${service_name}' Service was restarted. the new pid is '$PID'."
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else
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echo ""
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echo " '${service_name}' Service was restarted. the new pid is '$PID'."
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echo ""
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fi
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fi
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fi
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clean_up 0
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