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wizard.sh
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wizard.sh
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#!/usr/bin/env bash
set -o pipefail
#set -x
skip_tmp_acquis() {
[[ "${TMP_ACQUIS_FILE_SKIP}" == "skip" ]]
}
RED='\033[0;31m'
BLUE='\033[0;34m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
ORANGE='\033[0;33m'
NC='\033[0m'
SILENT="false"
DOCKER_MODE="false"
CROWDSEC_LIB_DIR="/var/lib/crowdsec"
CROWDSEC_USR_DIR="/usr/local/lib/crowdsec"
CROWDSEC_DATA_DIR="${CROWDSEC_LIB_DIR}/data"
CROWDSEC_DB_PATH="${CROWDSEC_DATA_DIR}/crowdsec.db"
CROWDSEC_PATH="/etc/crowdsec"
CROWDSEC_CONFIG_PATH="${CROWDSEC_PATH}"
CROWDSEC_LOG_FILE="/var/log/crowdsec.log"
LAPI_LOG_FILE="/var/log/crowdsec_api.log"
CROWDSEC_PLUGIN_DIR="${CROWDSEC_USR_DIR}/plugins"
CROWDSEC_CONSOLE_DIR="${CROWDSEC_PATH}/console"
CROWDSEC_BIN="./cmd/crowdsec/crowdsec"
CSCLI_BIN="./cmd/crowdsec-cli/cscli"
CLIENT_SECRETS="local_api_credentials.yaml"
LAPI_SECRETS="online_api_credentials.yaml"
CONSOLE_FILE="console.yaml"
BIN_INSTALL_PATH="/usr/local/bin"
CROWDSEC_BIN_INSTALLED="${BIN_INSTALL_PATH}/crowdsec"
if [[ -f "/usr/bin/cscli" ]] ; then
CSCLI_BIN_INSTALLED="/usr/bin/cscli"
else
CSCLI_BIN_INSTALLED="${BIN_INSTALL_PATH}/cscli"
fi
ACQUIS_PATH="${CROWDSEC_CONFIG_PATH}"
ACQUIS_TARGET="${ACQUIS_PATH}/acquis.yaml"
SYSTEMD_PATH_FILE="/etc/systemd/system/crowdsec.service"
PATTERNS_FOLDER="config/patterns"
PATTERNS_PATH="${CROWDSEC_CONFIG_PATH}/patterns/"
ACTION=""
DEBUG_MODE="false"
FORCE_MODE="false"
# the ssh service has different names on deb vs rpm-based distros
if [[ -f "/etc/debian_version" ]]; then
SSH_NAME="ssh"
else
SSH_NAME="sshd"
fi
SUPPORTED_SERVICES="apache2
httpd
nginx
$SSH_NAME
mysql
telnet
smb
"
HTTP_PLUGIN_BINARY="./cmd/notification-http/notification-http"
SLACK_PLUGIN_BINARY="./cmd/notification-slack/notification-slack"
SPLUNK_PLUGIN_BINARY="./cmd/notification-splunk/notification-splunk"
EMAIL_PLUGIN_BINARY="./cmd/notification-email/notification-email"
SENTINEL_PLUGIN_BINARY="./cmd/notification-sentinel/notification-sentinel"
FILE_PLUGIN_BINARY="./cmd/notification-file/notification-file"
HTTP_PLUGIN_CONFIG="./cmd/notification-http/http.yaml"
SLACK_PLUGIN_CONFIG="./cmd/notification-slack/slack.yaml"
SPLUNK_PLUGIN_CONFIG="./cmd/notification-splunk/splunk.yaml"
EMAIL_PLUGIN_CONFIG="./cmd/notification-email/email.yaml"
SENTINEL_PLUGIN_CONFIG="./cmd/notification-sentinel/sentinel.yaml"
FILE_PLUGIN_CONFIG="./cmd/notification-file/file.yaml"
BACKUP_DIR=$(mktemp -d)
rm -rf -- "$BACKUP_DIR"
log_info() {
msg=$1
date=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "${BLUE}INFO${NC}[${date}] crowdsec_wizard: ${msg}"
}
log_fatal() {
msg=$1
date=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "${RED}FATA${NC}[${date}] crowdsec_wizard: ${msg}" 1>&2
exit 1
}
log_warn() {
msg=$1
date=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "${ORANGE}WARN${NC}[${date}] crowdsec_wizard: ${msg}"
}
log_err() {
msg=$1
date=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "${RED}ERR${NC}[${date}] crowdsec_wizard: ${msg}" 1>&2
}
log_dbg() {
if [[ ${DEBUG_MODE} == "true" ]]; then
msg=$1
date=$(date "+%Y-%m-%d %H:%M:%S")
echo -e "[${date}][${YELLOW}DBG${NC}] crowdsec_wizard: ${msg}" 1>&2
fi
}
detect_services () {
DETECTED_SERVICES=()
HMENU=()
# list systemd services
SYSTEMD_SERVICES=$(systemctl --state=enabled list-unit-files '*.service' | cut -d ' ' -f1)
# raw ps
PSAX=$(ps ax -o comm=)
for SVC in ${SUPPORTED_SERVICES} ; do
log_dbg "Checking if service '${SVC}' is running (ps+systemd)"
for SRC in "${SYSTEMD_SERVICES}" "${PSAX}" ; do
echo ${SRC} | grep ${SVC} >/dev/null
if [ $? -eq 0 ]; then
# on centos, apache2 is named httpd
if [[ ${SVC} == "httpd" ]] ; then
SVC="apache2";
fi
DETECTED_SERVICES+=(${SVC})
HMENU+=(${SVC} "on")
log_dbg "Found '${SVC}' running"
break;
fi;
done;
done;
if [[ ${OSTYPE} == "linux-gnu" ]] || [[ ${OSTYPE} == "linux-gnueabihf" ]]; then
DETECTED_SERVICES+=("linux")
HMENU+=("linux" "on")
else
log_info "NOT A LINUX"
fi;
if [[ ${SILENT} == "false" ]]; then
# we put whiptail results in an array, notice the dark magic fd redirection
DETECTED_SERVICES=($(whiptail --separate-output --noitem --ok-button Continue --title "Services to monitor" --checklist "Detected services, uncheck to ignore. Ignored services won't be monitored." 18 70 10 ${HMENU[@]} 3>&1 1>&2 2>&3))
if [ $? -eq 1 ]; then
log_err "user bailed out at services selection"
exit 1;
fi;
log_dbg "Detected services (interactive) : ${DETECTED_SERVICES[@]}"
else
log_dbg "Detected services (unattended) : ${DETECTED_SERVICES[@]}"
fi;
}
declare -A log_input_tags
log_input_tags[apache2]='type: apache2'
log_input_tags[nginx]='type: nginx'
log_input_tags[$SSH_NAME]='type: syslog'
log_input_tags[rsyslog]='type: syslog'
log_input_tags[telnet]='type: telnet'
log_input_tags[mysql]='type: mysql'
log_input_tags[smb]='type: smb'
log_input_tags[linux]="type: syslog"
declare -A log_locations
log_locations[apache2]='/var/log/apache2/*.log,/var/log/*httpd*.log,/var/log/httpd/*log'
log_locations[nginx]='/var/log/nginx/*.log,/usr/local/openresty/nginx/logs/*.log'
log_locations[$SSH_NAME]='/var/log/auth.log,/var/log/sshd.log,/var/log/secure'
log_locations[rsyslog]='/var/log/syslog'
log_locations[telnet]='/var/log/telnetd*.log'
log_locations[mysql]='/var/log/mysql/error.log'
log_locations[smb]='/var/log/samba*.log'
log_locations[linux]='/var/log/syslog,/var/log/kern.log,/var/log/messages'
# $1 is service name, such those in SUPPORTED_SERVICES
find_logs_for() {
x=${1}
# we have trailing and starting quotes because of whiptail
SVC="${x%\"}"
SVC="${SVC#\"}"
DETECTED_LOGFILES=()
HMENU=()
# log_info "Searching logs for ${SVC} : ${log_locations[${SVC}]}"
# split the line into an array with ',' separator
OIFS=${IFS}
IFS=',' read -r -a a <<< "${log_locations[${SVC}]},"
IFS=${OIFS}
# readarray -td, a <<<"${log_locations[${SVC}]},"; unset 'a[-1]';
for poss_path in "${a[@]}"; do
# Split /var/log/nginx/*.log into '/var/log/nginx' and '*.log' so we can use find
path=${poss_path%/*}
fname=${poss_path##*/}
candidates=$(find "${path}" -type f -mtime -5 -ctime -5 -name "$fname" 2>/dev/null)
# We have some candidates, add them
for final_file in ${candidates} ; do
log_dbg "Found logs file for '${SVC}': ${final_file}"
DETECTED_LOGFILES+=(${final_file})
HMENU+=(${final_file} "on")
done;
done;
if [[ ${SILENT} == "false" ]]; then
DETECTED_LOGFILES=($(whiptail --separate-output --noitem --ok-button Continue --title "Log files to process for ${SVC}" --checklist "Detected logfiles for ${SVC}, uncheck to ignore" 18 70 10 ${HMENU[@]} 3>&1 1>&2 2>&3))
if [ $? -eq 1 ]; then
log_err "user bailed out at log file selection"
exit 1;
fi;
fi
}
in_array() {
str=$1
shift
array=("$@")
for element in "${array[@]}"; do
if [[ ${str} == crowdsecurity/${element} ]]; then
return 0
fi
done
return 1
}
install_collection() {
HMENU=()
readarray -t AVAILABLE_COLLECTION < <(${CSCLI_BIN_INSTALLED} collections list -o raw -a)
COLLECTION_TO_INSTALL=()
for collect_info in "${AVAILABLE_COLLECTION[@]:1}"; do
collection="$(echo ${collect_info} | cut -d "," -f1)"
description="$(echo ${collect_info} | cut -d "," -f4)"
in_array $collection "${DETECTED_SERVICES[@]}"
if [[ $? == 0 ]]; then
HMENU+=("${collection}" "${description}" "ON")
# in case we're not in interactive mode, assume defaults
COLLECTION_TO_INSTALL+=(${collection})
else
if [[ ${collection} == "linux" ]]; then
HMENU+=("${collection}" "${description}" "ON")
# in case we're not in interactive mode, assume defaults
COLLECTION_TO_INSTALL+=(${collection})
else
HMENU+=("${collection}" "${description}" "OFF")
fi
fi
done
if [[ ${SILENT} == "false" ]]; then
COLLECTION_TO_INSTALL=($(whiptail --separate-output --ok-button Continue --title "Crowdsec collections" --checklist "Available collections in crowdsec, try to pick one that fits your profile. Collections contains parsers and scenarios to protect your system." 20 120 10 "${HMENU[@]}" 3>&1 1>&2 2>&3))
if [ $? -eq 1 ]; then
log_err "user bailed out at collection selection"
exit 1;
fi;
fi;
for collection in "${COLLECTION_TO_INSTALL[@]}"; do
log_info "Installing collection '${collection}'"
${CSCLI_BIN_INSTALLED} collections install "${collection}" --error
done
${CSCLI_BIN_INSTALLED} parsers install "crowdsecurity/whitelists" --error
if [[ ${SILENT} == "false" ]]; then
whiptail --msgbox "Out of safety, I installed a parser called 'crowdsecurity/whitelists'. This one will prevent private IP addresses from being banned, feel free to remove it any time." 20 50
fi
if [[ ${SILENT} == "false" ]]; then
whiptail --msgbox "CrowdSec alone will not block any IP address. If you want to block them, you must use a bouncer. You can find them on https://hub.crowdsec.net/browse/#bouncers" 20 50
fi
}
# $1 is the service name, $... is the list of candidate logs (from find_logs_for)
genyamllog() {
local service="${1}"
shift
local files=("${@}")
echo "#Generated acquisition file - wizard.sh (service: ${service}) / files : ${files[@]}" >> ${TMP_ACQUIS_FILE}
echo "filenames:" >> ${TMP_ACQUIS_FILE}
for fd in ${files[@]}; do
echo " - ${fd}" >> ${TMP_ACQUIS_FILE}
done
echo "labels:" >> ${TMP_ACQUIS_FILE}
echo " "${log_input_tags[${service}]} >> ${TMP_ACQUIS_FILE}
echo "---" >> ${TMP_ACQUIS_FILE}
log_dbg "${ACQUIS_FILE_MSG}"
}
genyamljournal() {
local service="${1}"
shift
echo "#Generated acquisition file - wizard.sh (service: ${service}) / files : ${files[@]}" >> ${TMP_ACQUIS_FILE}
echo "journalctl_filter:" >> ${TMP_ACQUIS_FILE}
echo " - _SYSTEMD_UNIT="${service}".service" >> ${TMP_ACQUIS_FILE}
echo "labels:" >> ${TMP_ACQUIS_FILE}
echo " "${log_input_tags[${service}]} >> ${TMP_ACQUIS_FILE}
echo "---" >> ${TMP_ACQUIS_FILE}
log_dbg "${ACQUIS_FILE_MSG}"
}
genacquisition() {
if skip_tmp_acquis; then
TMP_ACQUIS_FILE="${ACQUIS_TARGET}"
ACQUIS_FILE_MSG="acquisition file generated to: ${TMP_ACQUIS_FILE}"
else
TMP_ACQUIS_FILE="tmp-acquis.yaml"
ACQUIS_FILE_MSG="tmp acquisition file generated to: ${TMP_ACQUIS_FILE}"
fi
log_dbg "Found following services : "${DETECTED_SERVICES[@]}
for PSVG in ${DETECTED_SERVICES[@]} ; do
find_logs_for ${PSVG}
if [[ ${#DETECTED_LOGFILES[@]} -gt 0 ]] ; then
log_info "service '${PSVG}': ${DETECTED_LOGFILES[*]}"
genyamllog ${PSVG} ${DETECTED_LOGFILES[@]}
elif [[ ${PSVG} != "linux" ]] ; then
log_info "using journald for '${PSVG}'"
genyamljournal ${PSVG}
fi;
done
}
detect_cs_install () {
if [[ -f "$CROWDSEC_BIN_INSTALLED" ]]; then
log_warn "Crowdsec is already installed !"
echo ""
echo "We recommend to upgrade : sudo ./wizard.sh --upgrade "
echo "If you want to install it anyway, please use '--force'."
echo ""
echo "Run : sudo ./wizard.sh -i --force"
if [[ ${FORCE_MODE} == "false" ]]; then
exit 1
fi
fi
}
check_cs_version () {
CURRENT_CS_VERSION=$(crowdsec -version 2>&1 | grep version | grep -Eio 'v[0-9]+.[0-9]+.[0-9]+' | cut -c 2-)
NEW_CS_VERSION=$($CROWDSEC_BIN -version 2>&1 | grep version | grep -Eio 'v[0-9]+.[0-9]+.[0-9]+' | cut -c 2-)
CURRENT_MAJOR_VERSION=$(echo $CURRENT_CS_VERSION | cut -d'.' -f1)
CURRENT_MINOR_VERSION=$(echo $CURRENT_CS_VERSION | cut -d'.' -f2)
CURRENT_PATCH_VERSION=$(echo $CURRENT_CS_VERSION | cut -d'.' -f3)
NEW_MAJOR_VERSION=$(echo $NEW_CS_VERSION | cut -d'.' -f1)
NEW_MINOR_VERSION=$(echo $NEW_CS_VERSION | cut -d'.' -f2)
NEW_PATCH_VERSION=$(echo $NEW_CS_VERSION | cut -d'.' -f3)
if [[ $NEW_MAJOR_VERSION -gt $CURRENT_MAJOR_VERSION ]]; then
if [[ ${FORCE_MODE} == "false" ]]; then
log_warn "new version ($NEW_CS_VERSION) is a major, you should follow documentation to upgrade !"
echo ""
exit 1
fi
elif [[ $NEW_MINOR_VERSION -gt $CURRENT_MINOR_VERSION ]] ; then
log_warn "new version ($NEW_CS_VERSION) is a minor upgrade !"
if [[ $ACTION != "upgrade" ]] ; then
if [[ ${FORCE_MODE} == "false" ]]; then
echo ""
echo "We recommend to upgrade with : sudo ./wizard.sh --upgrade "
echo "If you want to $ACTION anyway, please use '--force'."
echo ""
echo "Run : sudo ./wizard.sh --$ACTION --force"
exit 1
fi
fi
elif [[ $NEW_PATCH_VERSION -gt $CURRENT_PATCH_VERSION ]] ; then
log_warn "new version ($NEW_CS_VERSION) is a patch !"
if [[ $ACTION != "binupgrade" ]] ; then
if [[ ${FORCE_MODE} == "false" ]]; then
echo ""
echo "We recommend to upgrade binaries only : sudo ./wizard.sh --binupgrade "
echo "If you want to $ACTION anyway, please use '--force'."
echo ""
echo "Run : sudo ./wizard.sh --$ACTION --force"
exit 1
fi
fi
elif [[ $NEW_MINOR_VERSION -eq $CURRENT_MINOR_VERSION ]]; then
log_warn "new version ($NEW_CS_VERSION) is same as current version ($CURRENT_CS_VERSION) !"
if [[ ${FORCE_MODE} == "false" ]]; then
echo ""
echo "We recommend to $ACTION only if it's an higher version. "
echo "If it's an RC version (vX.X.X-rc) you can upgrade it using '--force'."
echo ""
echo "Run : sudo ./wizard.sh --$ACTION --force"
exit 1
fi
fi
}
# install crowdsec and cscli
install_crowdsec() {
mkdir -p "${CROWDSEC_DATA_DIR}"
(cd config && find patterns -type f -exec install -Dm 644 "{}" "${CROWDSEC_CONFIG_PATH}/{}" \; && cd ../) || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/acquis.d" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/scenarios" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/postoverflows" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/collections" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/patterns" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/appsec-configs" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/appsec-rules" || exit
mkdir -p "${CROWDSEC_CONFIG_PATH}/contexts" || exit
mkdir -p "${CROWDSEC_CONSOLE_DIR}" || exit
# tmp
mkdir -p /tmp/data
mkdir -p /etc/crowdsec/hub/
install -v -m 600 -D "./config/${CLIENT_SECRETS}" "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 600 -D "./config/${LAPI_SECRETS}" "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
## end tmp
install -v -m 600 -D ./config/config.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/dev.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/user.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/acquis.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/profiles.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/simulation.yaml "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/"${CONSOLE_FILE}" "${CROWDSEC_CONFIG_PATH}" 1> /dev/null || exit
install -v -m 644 -D ./config/context.yaml "${CROWDSEC_CONSOLE_DIR}" 1> /dev/null || exit
DATA=${CROWDSEC_DATA_DIR} CFG=${CROWDSEC_CONFIG_PATH} envsubst '$CFG $DATA' < ./config/user.yaml > ${CROWDSEC_CONFIG_PATH}"/user.yaml" || log_fatal "unable to generate user configuration file"
if [[ ${DOCKER_MODE} == "false" ]]; then
CFG=${CROWDSEC_CONFIG_PATH} BIN=${CROWDSEC_BIN_INSTALLED} envsubst '$CFG $BIN' < ./config/crowdsec.service > "${SYSTEMD_PATH_FILE}" || log_fatal "unable to crowdsec systemd file"
fi
install_bins
if [[ ${DOCKER_MODE} == "false" ]]; then
systemctl daemon-reload
fi
}
update_bins() {
log_info "Only upgrading binaries"
delete_bins
install_bins
log_info "Upgrade finished"
systemctl restart crowdsec || log_fatal "unable to restart crowdsec with systemctl"
}
update_full() {
if [[ ! -f "$CROWDSEC_BIN" ]]; then
log_err "Crowdsec binary '$CROWDSEC_BIN' not found. Please build it with 'make build'" && exit
fi
if [[ ! -f "$CSCLI_BIN" ]]; then
log_err "Cscli binary '$CSCLI_BIN' not found. Please build it with 'make build'" && exit
fi
log_info "Backing up existing configuration"
${CSCLI_BIN_INSTALLED} config backup ${BACKUP_DIR}
log_info "Saving default database content if exist"
if [[ -f "/var/lib/crowdsec/data/crowdsec.db" ]]; then
cp /var/lib/crowdsec/data/crowdsec.db ${BACKUP_DIR}/crowdsec.db
fi
log_info "Cleanup existing crowdsec configuration"
uninstall_crowdsec
log_info "Installing crowdsec"
install_crowdsec
log_info "Restoring configuration"
${CSCLI_BIN_INSTALLED} hub update
${CSCLI_BIN_INSTALLED} config restore ${BACKUP_DIR}
log_info "Restoring saved database if exist"
if [[ -f "${BACKUP_DIR}/crowdsec.db" ]]; then
cp ${BACKUP_DIR}/crowdsec.db /var/lib/crowdsec/data/crowdsec.db
fi
log_info "Finished, restarting"
systemctl restart crowdsec || log_fatal "Failed to restart crowdsec"
}
install_bins() {
log_dbg "Installing crowdsec binaries"
install -v -m 755 -D "${CROWDSEC_BIN}" "${CROWDSEC_BIN_INSTALLED}" 1> /dev/null || exit
install -v -m 755 -D "${CSCLI_BIN}" "${CSCLI_BIN_INSTALLED}" 1> /dev/null || exit
which systemctl && systemctl is-active --quiet crowdsec
if [ $? -eq 0 ]; then
systemctl stop crowdsec
fi
install_plugins
symlink_bins
}
symlink_bins() {
if grep -q "${BIN_INSTALL_PATH}" <<< $PATH; then
log_dbg "${BIN_INSTALL_PATH} found in PATH"
else
ln -s "${CSCLI_BIN_INSTALLED}" /usr/bin/cscli
ln -s "${CROWDSEC_BIN_INSTALLED}" /usr/bin/crowdsec
fi
}
delete_bins() {
log_info "Removing crowdsec binaries"
rm -f ${CROWDSEC_BIN_INSTALLED}
rm -f ${CSCLI_BIN_INSTALLED}
}
delete_plugins() {
rm -rf ${CROWDSEC_PLUGIN_DIR}
}
install_plugins(){
mkdir -p ${CROWDSEC_PLUGIN_DIR}
mkdir -p /etc/crowdsec/notifications
cp ${SLACK_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
cp ${SPLUNK_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
cp ${HTTP_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
cp ${EMAIL_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
cp ${SENTINEL_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
cp ${FILE_PLUGIN_BINARY} ${CROWDSEC_PLUGIN_DIR}
if [[ ${DOCKER_MODE} == "false" ]]; then
cp -n ${SLACK_PLUGIN_CONFIG} /etc/crowdsec/notifications/
cp -n ${SPLUNK_PLUGIN_CONFIG} /etc/crowdsec/notifications/
cp -n ${HTTP_PLUGIN_CONFIG} /etc/crowdsec/notifications/
cp -n ${EMAIL_PLUGIN_CONFIG} /etc/crowdsec/notifications/
cp -n ${SENTINEL_PLUGIN_CONFIG} /etc/crowdsec/notifications/
cp -n ${FILE_PLUGIN_CONFIG} /etc/crowdsec/notifications/
fi
}
check_running_bouncers() {
# when uninstalling, check if user still has bouncers
BOUNCERS_COUNT=$(${CSCLI_BIN} bouncers list -o=raw | tail -n +2 | wc -l)
if [[ ${BOUNCERS_COUNT} -gt 0 ]] ; then
if [[ ${FORCE_MODE} == "false" ]]; then
echo "WARNING : You have at least one bouncer registered (cscli bouncers list)."
echo "WARNING : Uninstalling crowdsec with a running bouncer will let it in an unpredictable state."
echo "WARNING : If you want to uninstall crowdsec, you should first uninstall the bouncers."
echo "Specify --force to bypass this restriction."
exit 1
fi;
fi
}
# uninstall crowdsec and cscli
uninstall_crowdsec() {
systemctl stop crowdsec.service 1>/dev/null
systemctl disable -q crowdsec.service 1>/dev/null
${CSCLI_BIN} dashboard remove -f -y >/dev/null
delete_bins
# tmp
rm -rf /tmp/data/
## end tmp
find /etc/crowdsec -maxdepth 1 -mindepth 1 | grep -v "bouncer" | xargs rm -rf || echo ""
rm -f ${CROWDSEC_LOG_FILE} || echo ""
rm -f ${LAPI_LOG_FILE} || echo ""
rm -f ${CROWDSEC_DB_PATH} || echo ""
rm -rf ${CROWDSEC_LIB_DIR} || echo ""
rm -rf ${CROWDSEC_USR_DIR} || echo ""
rm -f ${SYSTEMD_PATH_FILE} || echo ""
log_info "crowdsec successfully uninstalled"
}
function show_link {
echo ""
echo "Useful links to start with Crowdsec:"
echo ""
echo " - Documentation : https://doc.crowdsec.net/docs/getting_started/crowdsec_tour"
echo " - Crowdsec Hub : https://hub.crowdsec.net/ "
echo " - Open issues : https://github.com/crowdsecurity/crowdsec/issues"
echo ""
echo "Useful commands to start with Crowdsec:"
echo ""
echo " - sudo cscli metrics : https://doc.crowdsec.net/docs/observability/cscli"
echo " - sudo cscli decisions list : https://doc.crowdsec.net/docs/user_guides/decisions_mgmt"
echo " - sudo cscli hub list : https://doc.crowdsec.net/docs/user_guides/hub_mgmt"
echo ""
echo "Next step: visualize all your alerts and explore our community CTI : https://app.crowdsec.net"
echo ""
}
main() {
if [ "$1" == "install" ] || [ "$1" == "configure" ] || [ "$1" == "detect" ]; then
if [ "${SILENT}" == "false" ]; then
which whiptail > /dev/null
if [ $? -ne 0 ]; then
log_fatal "whiptail binary is needed to use the wizard in interactive mode, exiting ..."
fi
fi
which envsubst > /dev/null
if [ $? -ne 0 ]; then
log_fatal "envsubst binary is needed to use do a full install with the wizard, exiting ..."
fi
fi
if [[ "$1" == "binupgrade" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
check_cs_version
update_bins
return
fi
if [[ "$1" == "upgrade" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
check_cs_version
update_full
return
fi
if [[ "$1" == "configure" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
detect_services
${CSCLI_BIN_INSTALLED} hub update
install_collection
genacquisition
if ! skip_tmp_acquis; then
mv "${TMP_ACQUIS_FILE}" "${ACQUIS_TARGET}"
fi
return
fi
if [[ "$1" == "noop" ]];
then
return
fi
if [[ "$1" == "uninstall" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
check_running_bouncers
uninstall_crowdsec
return
fi
if [[ "$1" == "bininstall" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
log_info "checking existing crowdsec install"
detect_cs_install
log_info "installing crowdsec"
install_crowdsec
show_link
return
fi
if [[ "$1" == "install" ]];
then
if ! [ $(id -u) = 0 ]; then
log_err "Please run the wizard as root or with sudo"
exit 1
fi
log_info "checking if crowdsec is installed"
detect_cs_install
## Do make build before installing (as non--root) in order to have the binary and then install crowdsec as root
log_info "installing crowdsec"
install_crowdsec
log_dbg "configuring ${CSCLI_BIN_INSTALLED}"
${CSCLI_BIN_INSTALLED} hub update --error || (log_err "fail to update crowdsec hub. exiting" && exit 1)
# detect running services
detect_services
if ! [ ${#DETECTED_SERVICES[@]} -gt 0 ] ; then
log_err "No detected or selected services, stopping."
exit 1
fi;
# Generate acquisition file and move it to the right folder
genacquisition
if ! skip_tmp_acquis; then
mv "${TMP_ACQUIS_FILE}" "${ACQUIS_TARGET}"
fi
log_info "acquisition file path: ${ACQUIS_TARGET}"
# Install collections according to detected services
log_dbg "Installing needed collections ..."
install_collection
# install patterns/ folder
log_dbg "Installing patterns"
mkdir -p "${PATTERNS_PATH}"
cp "./${PATTERNS_FOLDER}/"* "${PATTERNS_PATH}/"
# api register
${CSCLI_BIN_INSTALLED} machines add --force "$(cat /etc/machine-id)" -a -f "${CROWDSEC_CONFIG_PATH}/${CLIENT_SECRETS}" || log_fatal "unable to add machine to the local API"
log_dbg "Crowdsec LAPI registered"
${CSCLI_BIN_INSTALLED} capi register --error || log_fatal "unable to register to the Central API"
systemctl enable -q crowdsec >/dev/null || log_fatal "unable to enable crowdsec"
systemctl start crowdsec >/dev/null || log_fatal "unable to start crowdsec"
log_info "enabling and starting crowdsec daemon"
show_link
return
fi
if [[ "$1" == "detect" ]];
then
if ! skip_tmp_acquis; then
rm -f "${TMP_ACQUIS_FILE}"
fi
detect_services
if [[ ${DETECTED_SERVICES} == "" ]] ; then
log_err "No detected or selected services, stopping."
exit
fi;
log_info "Found ${#DETECTED_SERVICES[@]} supported services running:"
genacquisition
cat "${TMP_ACQUIS_FILE}"
if ! skip_tmp_acquis; then
rm "${TMP_ACQUIS_FILE}"
fi
return
fi
}
usage() {
echo "Usage:"
echo " ./wizard.sh -h Display this help message."
echo " ./wizard.sh -d|--detect Detect running services and associated logs file"
echo " ./wizard.sh -i|--install Assisted installation of crowdsec/cscli and collections"
echo " ./wizard.sh --bininstall Install binaries and empty config, no wizard."
echo " ./wizard.sh --uninstall Uninstall crowdsec/cscli"
echo " ./wizard.sh --binupgrade Upgrade crowdsec/cscli binaries"
echo " ./wizard.sh --upgrade Perform a full upgrade and try to migrate configs"
echo " ./wizard.sh --unattended Install in unattended mode, no question will be asked and defaults will be followed"
echo " ./wizard.sh --docker-mode Will install crowdsec without systemd and generate random machine-id"
echo " ./wizard.sh -n|--noop Do nothing"
exit 0
}
if [[ $# -eq 0 ]]; then
usage
fi
while [[ $# -gt 0 ]]
do
key="${1}"
case ${key} in
--uninstall)
ACTION="uninstall"
shift # past argument
;;
--binupgrade)
ACTION="binupgrade"
shift # past argument
;;
--upgrade)
ACTION="upgrade"
shift # past argument
;;
-i|--install)
ACTION="install"
shift # past argument
;;
--bininstall)
ACTION="bininstall"
shift # past argument
;;
--docker-mode)
DOCKER_MODE="true"
ACTION="bininstall"
shift # past argument
;;
-c|--configure)
ACTION="configure"
shift # past argument
;;
-d|--detect)
ACTION="detect"
shift # past argument
;;
-n|--noop)
ACTION="noop"
shift # past argument
;;
--unattended)
SILENT="true"
ACTION="install"
shift
;;
-f|--force)
FORCE_MODE="true"
shift
;;
-v|--verbose)
DEBUG_MODE="true"
shift
;;
-h|--help)
usage
exit 0
;;
*) # unknown option
log_err "Unknown argument ${key}."
usage
exit 1
;;
esac
done
main ${ACTION}