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c93dfa7b33980b56538fa4cf993912b52d54efef
securityonion/setup/so-functions
m0duspwnens c93dfa7b33 hardcode automation pw
2021-01-05 11:47:22 -05:00

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#!/bin/bash
# Copyright 2014,2015,2016,2017,2018,2019,2020 Security Onion Solutions, LLC
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# README - DO NOT DEFINE GLOBAL VARIABLES IN THIS FILE. Instead use so-variables.
log() {
msg=$1
level=${2:-I}
now=$(TZ=GMT date +"%Y-%m-%dT%H:%M:%SZ")
echo -e "$now | $level | $msg" >> "$setup_log" 2>&1
}
error() {
log "$1" "E"
}
info() {
log "$1" "I"
}
title() {
echo -e "\n-----------------------------\n $1\n-----------------------------\n" >> "$setup_log" 2>&1
}
logCmd() {
cmd=$1
info "Executing command: $cmd"
$cmd >> "$setup_log" 2>&1
}
filter_unused_nics() {
if [[ $MNIC ]]; then local grep_string="$MNIC\|bond0"; else local grep_string="bond0"; fi
# If we call this function and NICs have already been assigned to the bond interface then add them to the grep search string
if [[ $BNICS ]]; then
grep_string="$grep_string"
for BONDNIC in "${BNICS[@]}"; do
grep_string="$grep_string\|$BONDNIC"
done
fi
# Finally, set filtered_nics to any NICs we aren't using (and ignore interfaces that aren't of use)
filtered_nics=$(ip link | awk -F: '$0 !~ "lo|vir|veth|br|docker|wl|^[^0-9]"{print $2}' | grep -vwe "$grep_string" | sed 's/ //g')
readarray -t filtered_nics <<< "$filtered_nics"
nic_list=()
for nic in "${filtered_nics[@]}"; do
case $(cat "/sys/class/net/${nic}/carrier" 2>/dev/null) in
1)
nic_list+=("$nic" "Link UP " "OFF")
;;
0)
nic_list+=("$nic" "Link DOWN " "OFF")
;;
*)
nic_list+=("$nic" "Link UNKNOWN " "OFF")
;;
esac
done
export nic_list
}
calculate_useable_cores() {
# Calculate reasonable core usage
local cores_for_zeek=$(( (num_cpu_cores/2) - 1 ))
local lb_procs_round
lb_procs_round=$(printf "%.0f\n" $cores_for_zeek)
if [ "$lb_procs_round" -lt 1 ]; then lb_procs=1; else lb_procs=$lb_procs_round; fi
export lb_procs
}
airgap_rules() {
# Copy the rules for suricata if using Airgap
mkdir -p /nsm/repo/rules
cp -v /root/SecurityOnion/agrules/emerging-all.rules /nsm/repo/rules/
# Copy over sigma rules
cp -Rv /root/SecurityOnion/agrules/sigma /nsm/repo/rules/
# Don't leave Strelka out
cp -Rv /root/SecurityOnion/agrules/strelka /nsm/repo/rules/
}
analyze_system() {
title "System Characteristics"
logCmd "uptime"
logCmd "uname -a"
logCmd "free -h"
logCmd "lscpu"
logCmd "df -h"
logCmd "ip a"
}
accept_salt_key_remote() {
local automated=$1
local sshcmd=get_ssh_cmd $automated
systemctl restart salt-minion
echo "Accept the key remotely on the manager" >> "$setup_log" 2>&1
# Delete the key just in case.
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo salt-key -d "$MINION_ID" -y
salt-call state.apply ca >> /dev/null 2>&1
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo salt-key -a "$MINION_ID" -y
}
add_admin_user() {
# Add an admin user with full sudo rights if this is an ISO install.
{
useradd "$ADMINUSER";
echo "$ADMINUSER":"$ADMINPASS1" | chpasswd --crypt-method=SHA512;
usermod -aG wheel "$ADMINUSER";
} >> "$setup_log" 2>&1
}
add_manager_hostfile() {
[ -n "$TESTING" ] && return
echo "Checking if I can resolve manager. If not add to hosts file" >> "$setup_log" 2>&1
# Pop up an input to get the IP address
MSRVIP=$(whiptail --title "Security Onion Setup" --inputbox \
"Enter your Manager Server IP Address:" 10 60 X.X.X.X 3>&1 1>&2 2>&3)
local exitstatus=$?
whiptail_check_exitstatus $exitstatus
}
add_mngr_ip_to_hosts() {
echo "$MSRVIP $MSRV" >> /etc/hosts
}
addtotab_generate_templates() {
local addtotab_path=$local_salt_dir/pillar/data
for i in evaltab managersearchtab managertab nodestab sensorstab standalonetab; do
printf '%s\n'\
"$i:"\
"" > "$addtotab_path"/$i.sls
echo "Added $i Template"
done
}
# $5 => (optional) password variable
so_add_user() {
local username=$1
local uid=$2
local gid=$3
local home_dir=$4
if [ "$5" ]; then local pass=$5; fi
echo "Add $username user" >> "$setup_log" 2>&1
groupadd --gid "$gid" "$username"
useradd -m --uid "$uid" --gid "$gid" --home-dir "$home_dir" "$username"
# If a password has been passed in, set the password
if [ "$pass" ]; then
echo "$username":"$pass" | chpasswd --crypt-method=SHA512
fi
}
add_socore_user_manager() {
so_add_user "socore" "939" "939" "/opt/so" >> "$setup_log" 2>&1
}
add_soremote_user_manager() {
so_add_user "soremote" "947" "947" "/home/soremote" "$SOREMOTEPASS1" >> "$setup_log" 2>&1
}
wait_for_file() {
local filename=$1
local max_attempts=$2 # this is multiplied by the wait interval, so make sure it isn't too large
local cur_attempts=0
local wait_interval=$3
local total_time=$(( max_attempts * wait_interval ))
local date
date=$(date)
while [[ $cur_attempts -lt $max_attempts ]]; do
if [ -f "$filename" ]; then
echo "File $filename found at $date" >> "$setup_log" 2>&1
return 0
else
((cur_attempts++))
echo "File $filename does not exist; waiting ${wait_interval}s then checking again ($cur_attempts/$max_attempts)..." >> "$setup_log" 2>&1
sleep "$wait_interval"
fi
done
echo "Could not find $filename after waiting ${total_time}s" >> "$setup_log" 2>&1
return 1
}
add_web_user() {
wait_for_file /opt/so/conf/kratos/db/db.sqlite 30 5
{
echo "Attempting to add administrator user for web interface...";
echo "$WEBPASSWD1" | /usr/sbin/so-user add "$WEBUSER";
echo "Add user result: $?";
} >> "/root/so-user-add.log" 2>&1
}
# Create an secrets pillar so that passwords survive re-install
secrets_pillar(){
if [ ! -f $local_salt_dir/pillar/secrets.sls ]; then
echo "Creating Secrets Pillar" >> "$setup_log" 2>&1
mkdir -p $local_salt_dir/pillar
printf '%s\n'\
"secrets:"\
" mysql: $MYSQLPASS"\
" playbook_db: $PLAYBOOKDBPASS"\
" playbook_admin: $PLAYBOOKADMINPASS"\
" playbook_automation: $PLAYBOOKAUTOMATIONPASS"\
" grafana_admin: $GRAFANAPASS"\
" fleet: $FLEETPASS"\
" fleet_jwt: $FLEETJWT"\
" fleet_enroll-secret: False" > $local_salt_dir/pillar/secrets.sls
fi
}
check_admin_pass() {
check_pass_match "$ADMINPASS1" "$ADMINPASS2" "APMATCH"
}
check_hive_init() {
wait_for_file /opt/so/state/thehive.txt 20 5
local return_val=$?
if [[ $return_val -ne 0 ]]; then
return $return_val
fi
docker stop so-thehive
docker rm so-thehive
}
check_network_manager_conf() {
local gmdconf="/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf"
local nmconf="/etc/NetworkManager/NetworkManager.conf"
local preupdir="/etc/NetworkManager/dispatcher.d/pre-up.d"
if test -f "$gmdconf" && ! test -f "${gmdconf}.bak"; then
{
mv "$gmdconf" "${gmdconf}.bak"
touch "$gmdconf"
systemctl restart NetworkManager
} >> "$setup_log" 2>&1
fi
if test -f "$nmconf"; then
sed -i 's/managed=false/managed=true/g' "$nmconf" >> "$setup_log" 2>&1
systemctl restart NetworkManager >> "$setup_log" 2>&1
fi
if [[ ! -d "$preupdir" ]]; then
mkdir "$preupdir" >> "$setup_log" 2>&1
fi
}
check_pass_match() {
local pass=$1
local confirm_pass=$2
local var=$3
if [ "$pass" = "$confirm_pass" ]; then
export "$var=yes"
else
whiptail_passwords_dont_match
fi
}
# False if stopped, true if running
check_service_status() {
local service_name=$1
echo "Checking service $service_name status" >> "$setup_log" 2>&1
systemctl status $service_name > /dev/null 2>&1
local status=$?
if [ $status -gt 0 ]; then
echo " $service_name is not running" >> "$setup_log" 2>&1
return 1;
else
echo " $service_name is running" >> "$setup_log" 2>&1
return 0;
fi
}
check_salt_master_status() {
echo "Checking if we can talk to the salt master" >> "$setup_log" 2>&1
salt-call saltutil.kill_all_jobs > /dev/null 2>&1
salt-call state.show_top > /dev/null 2>&1
local status=$?
if [ $status -gt 0 ]; then
echo " Could not talk to salt master" >> "$setup_log" 2>&1
return 1;
else
echo " Can talk to salt master" >> "$setup_log" 2>&1
return 0;
fi
}
check_salt_minion_status() {
echo "Checking if the salt minion will respond to jobs" >> "$setup_log" 2>&1
salt "$MINION_ID" test.ping > /dev/null 2>&1
local status=$?
if [ $status -gt 0 ]; then
echo " Minion did not respond" >> "$setup_log" 2>&1
return 1;
else
echo " Received job response from salt minion" >> "$setup_log" 2>&1
return 0;
fi
}
check_soremote_pass() {
check_pass_match "$SOREMOTEPASS1" "$SOREMOTEPASS2" "SCMATCH"
}
check_fleet_node_pass() {
check_pass_match "$FLEETNODEPASSWD1" "$FLEETNODEPASSWD2" "FPMATCH"
}
check_web_pass() {
check_pass_match "$WEBPASSWD1" "$WEBPASSWD2" "WPMATCH"
}
clear_manager() {
# Clear out the old manager public key in case this is a re-install.
# This only happens if you re-install the manager.
if [ -f /etc/salt/pki/minion/minion_master.pub ]; then
{
echo "Clearing old Salt master key";
rm -f /etc/salt/pki/minion/minion_master.pub;
systemctl -q restart salt-minion;
} >> "$setup_log" 2>&1
fi
}
collect_soremote_inputs() {
whiptail_create_soremote_user
SCMATCH=no
while [[ $SCMATCH != yes ]]; do
whiptail_create_soremote_user_password1
whiptail_create_soremote_user_password2
check_soremote_pass
done
}
collect_adminuser_inputs() {
whiptail_create_admin_user
APMATCH=no
while [[ $APMATCH != yes ]]; do
whiptail_create_admin_user_password1
whiptail_create_admin_user_password2
check_admin_pass
done
}
collect_fleet_custom_hostname_inputs() {
whiptail_fleet_custom_hostname
}
collect_fleetuser_inputs() {
# Get a username & password for the Fleet admin user
local valid_user=no
while [[ $valid_user != yes ]]; do
whiptail_create_fleet_node_user
if so-user valemail "$FLEETNODEUSER" >> "$setup_log" 2>&1; then
valid_user=yes
else
whiptail_invalid_user_warning
fi
done
FPMATCH=no
while [[ $FPMATCH != yes ]]; do
whiptail_create_fleet_node_user_password1
while ! check_password "$FLEETNODEPASSWD1"; do
whiptail_invalid_pass_characters_warning
whiptail_create_fleet_node_user_password1
done
whiptail_create_fleet_node_user_password2
check_fleet_node_pass
done
}
collect_webuser_inputs() {
# Get a password for the web admin user
local valid_user=no
while [[ $valid_user != yes ]]; do
whiptail_create_web_user
if so-user valemail "$WEBUSER" >> "$setup_log" 2>&1; then
valid_user=yes
else
whiptail_invalid_user_warning
fi
done
WPMATCH=no
while [[ $WPMATCH != yes ]]; do
whiptail_create_web_user_password1
while ! check_password "$WEBPASSWD1"; do
whiptail_invalid_pass_characters_warning
whiptail_create_web_user_password1
done
if echo "$WEBPASSWD1" | so-user valpass >> "$setup_log" 2>&1; then
whiptail_create_web_user_password2
check_web_pass
else
whiptail_invalid_pass_warning
fi
done
}
configure_minion() {
local minion_type=$1
echo "Configuring minion type as $minion_type" >> "$setup_log" 2>&1
echo "role: so-$minion_type" > /etc/salt/grains
local minion_config=/etc/salt/minion
echo "id: '$MINION_ID'" > "$minion_config"
case "$minion_type" in
'helix')
echo "master: '$HOSTNAME'" >> "$minion_config"
;;
'manager' | 'eval' | 'managersearch' | 'standalone' | 'import')
printf '%s\n'\
"master: '$HOSTNAME'"\
"mysql.host: '$MAINIP'"\
"mysql.port: '3306'"\
"mysql.user: 'root'" >> "$minion_config"
if [ ! -f $local_salt_dir/pillar/secrets.sls ]; then
echo "mysql.pass: '$MYSQLPASS'" >> "$minion_config"
else
OLDPASS=$(grep "mysql" $local_salt_dir/pillar/secrets.sls | awk '{print $2}')
echo "mysql.pass: '$OLDPASS'" >> "$minion_config"
fi
;;
*)
echo "master: '$MSRV'" >> "$minion_config"
;;
esac
printf '%s\n'\
"use_superseded:"\
" - module.run"\
"log_file: /opt/so/log/salt/minion" >> "$minion_config"
{
systemctl restart salt-minion;
} >> "$setup_log" 2>&1
}
checkin_at_boot() {
local minion_config=/etc/salt/minion
echo "Enabling checkin at boot" >> "$setup_log" 2>&1
echo "startup_states: highstate" >> "$minion_config"
}
check_requirements() {
local standalone_or_dist=$1
local node_type=$2 # optional
local req_mem
local req_cores
local req_storage
local nic_list
readarray -t nic_list <<< "$(ip link| awk -F: '$0 !~ "lo|vir|veth|br|docker|wl|^[^0-9]"{print $2}' | grep -vwe "bond0" | sed 's/ //g')"
local num_nics=${#nic_list[@]}
if [[ "$standalone_or_dist" == 'standalone' ]]; then
req_mem=12
req_cores=4
req_nics=2
elif [[ "$standalone_or_dist" == 'dist' ]]; then
req_mem=8
req_cores=4
if [[ "$node_type" == 'sensor' ]]; then req_nics=2; else req_nics=1; fi
if [[ "$node_type" == 'fleet' ]]; then req_mem=4; fi
elif [[ "$standalone_or_dist" == 'import' ]]; then
req_mem=4
req_cores=2
req_nics=1
fi
if [[ $setup_type == 'network' ]] ; then
if [[ -n $nsm_mount ]]; then
if [[ "$standalone_or_dist" == 'import' ]]; then
req_storage=50
else
req_storage=100
fi
if (( $(echo "$free_space_root < $req_storage" | bc -l) )); then
whiptail_storage_requirements "/" "${free_space_root} GB" "${req_storage} GB"
fi
if (( $(echo "$free_space_nsm < $req_storage" | bc -l) )); then
whiptail_storage_requirements "/nsm" "${free_space_nsm} GB" "${req_storage} GB"
fi
else
if [[ "$standalone_or_dist" == 'import' ]]; then
req_storage=50
else
req_storage=200
fi
if (( $(echo "$free_space_root < $req_storage" | bc -l) )); then
whiptail_storage_requirements "/" "${free_space_root} GB" "${req_storage} GB"
fi
fi
fi
if [[ $num_nics -lt $req_nics ]]; then
if [[ $num_nics -eq 1 ]]; then
whiptail_requirements_error "NIC" "$num_nics" "$req_nics"
else
whiptail_requirements_error "NICs" "$num_nics" "$req_nics"
fi
fi
if [[ $num_cpu_cores -lt $req_cores ]]; then
if [[ $num_cpu_cores -eq 1 ]]; then
whiptail_requirements_error "core" "$num_cpu_cores" "$req_cores"
else
whiptail_requirements_error "cores" "$num_cpu_cores" "$req_cores"
fi
fi
if [[ $total_mem_hr -lt $req_mem ]]; then
whiptail_requirements_error "memory" "${total_mem_hr} GB" "${req_mem} GB"
fi
}
compare_versions() {
local automated=$1
local sshcmd=get_ssh_cmd $automated
manager_ver=$("$sshcmd" -i /root/.ssh/so.key soremote@"$MSRV" cat /etc/soversion)
if [[ $manager_ver == "" ]]; then
rm /root/install_opt
echo "Could not determine version of Security Onion running on manager $MSRV. Please check your network settings and run setup again." | tee -a "$setup_log"
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
[[ "$manager_ver" == "$SOVERSION" ]]
return
}
configure_network_sensor() {
echo "Setting up sensor interface" >> "$setup_log" 2>&1
local nic_error=0
# Set the MTU
if [[ $NSMSETUP != 'ADVANCED' ]]; then
if [[ $is_cloud ]]; then MTU=1575; else MTU=1500; fi
fi
if [[ $is_cloud ]]; then
INTERFACE=${BNICS[0]}
local nmcli_con_arg="type ethernet"
else
INTERFACE='bond0'
local nmcli_con_arg="type bond mode 0"
fi
# Create the bond interface only if it doesn't already exist
nmcli -f name,uuid -p con | grep -q "$INTERFACE" >> "$setup_log" 2>&1
local found_int=$?
if [[ $found_int != 0 ]]; then
nmcli con add ifname "$INTERFACE" con-name "$INTERFACE" $nmcli_con_arg -- \
ipv4.method disabled \
ipv6.method ignore \
ethernet.mtu $MTU \
connection.autoconnect "yes" >> "$setup_log" 2>&1
else
local int_uuid
int_uuid=$(nmcli -f name,uuid -p con | sed -n "s/$INTERFACE //p" | tr -d ' ')
nmcli con mod "$int_uuid" \
ipv4.method disabled \
ipv6.method ignore \
ethernet.mtu $MTU \
connection.autoconnect "yes" >> "$setup_log" 2>&1
fi
for BNIC in "${BNICS[@]}"; do
# Check if specific offload features are able to be disabled
for string in "generic-segmentation-offload" "generic-receive-offload" "tcp-segmentation-offload"; do
if ethtool -k "$BNIC" | grep $string | grep -q "on [fixed]"; then
echo "The hardware or driver for interface ${BNIC} is not supported, packet capture may not work as expected." >> "$setup_log" 2>&1
nic_error=1
break
fi
done
# Turn off various offloading settings for the interface
for i in rx tx sg tso ufo gso gro lro; do
ethtool -K "$BNIC" $i off >> "$setup_log" 2>&1
done
if [[ $is_cloud ]]; then
nmcli con up "$BNIC" >> "$setup_log" 2>&1
else
# Check if the bond slave connection has already been created
nmcli -f name,uuid -p con | grep -q "bond0-slave-$BNIC" >> "$setup_log" 2>&1
local found_int=$?
if [[ $found_int != 0 ]]; then
# Create the slave interface and assign it to the bond
nmcli con add type ethernet ifname "$BNIC" con-name "bond0-slave-$BNIC" master bond0 -- \
ethernet.mtu $MTU \
connection.autoconnect "yes" >> "$setup_log" 2>&1
else
local int_uuid
int_uuid=$(nmcli -f name,uuid -p con | sed -n "s/bond0-slave-$BNIC //p" | tr -d ' ')
nmcli con mod "$int_uuid" \
ethernet.mtu $MTU \
connection.autoconnect "yes" >> "$setup_log" 2>&1
fi
nmcli con up "bond0-slave-$BNIC" >> "$setup_log" 2>&1 # Bring the slave interface up
fi
done
if [ $nic_error != 0 ]; then
return 1
fi
}
copy_salt_master_config() {
# Copy the Salt master config template to the proper directory
if [ "$setup_type" = 'iso' ]; then
cp /root/SecurityOnion/files/salt/master/master /etc/salt/master >> "$setup_log" 2>&1
cp /root/SecurityOnion/files/salt/master/salt-master.service /usr/lib/systemd/system/salt-master.service >> "$setup_log" 2>&1
else
cp ../files/salt/master/master /etc/salt/master >> "$setup_log" 2>&1
cp ../files/salt/master/salt-master.service /usr/lib/systemd/system/salt-master.service >> "$setup_log" 2>&1
fi
# Restart the service so it picks up the changes
systemctl daemon-reload >> "$setup_log" 2>&1
systemctl restart salt-master >> "$setup_log" 2>&1
}
copy_minion_tmp_files() {
local automated=$1
local sshcmd=get_ssh_cmd $automated
local scpcmd=get_scp_cmd $automated
case "$install_type" in
'MANAGER' | 'EVAL' | 'HELIXSENSOR' | 'MANAGERSEARCH' | 'STANDALONE' | 'IMPORT')
echo "Copying pillar and salt files in $temp_install_dir to $local_salt_dir"
cp -Rv "$temp_install_dir"/pillar/ $local_salt_dir/ >> "$setup_log" 2>&1
if [ -d "$temp_install_dir"/salt ] ; then
cp -Rv "$temp_install_dir"/salt/ $local_salt_dir/ >> "$setup_log" 2>&1
fi
;;
*)
{
echo "scp pillar and salt files in $temp_install_dir to manager $local_salt_dir";
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" mkdir -p /tmp/"$MINION_ID"/pillar;
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" mkdir -p /tmp/"$MINION_ID"/schedules;
$scpcmd -prv -i /root/.ssh/so.key "$temp_install_dir"/pillar/minions/* soremote@"$MSRV":/tmp/"$MINION_ID"/pillar/;
if [ -d $temp_install_dir/salt/patch/os/schedules/ ]; then
if [ "$(ls -A $temp_install_dir/salt/patch/os/schedules/)" ]; then
$scpcmd -prv -i /root/.ssh/so.key $temp_install_dir/salt/patch/os/schedules/* soremote@$MSRV:/tmp/$MINION_ID/schedules;
fi
fi
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/manager/files/add_minion.sh "$MINION_ID";
} >> "$setup_log" 2>&1
;;
esac
}
copy_ssh_key() {
local automated=$1
local sshcopyidcmd=get_ssh_copy_id_cmd $automated
echo "Generating SSH key"
# Generate SSH key
mkdir -p /root/.ssh
ssh-keygen -f /root/.ssh/so.key -t rsa -q -N "" < /dev/zero
chown -R "$SUDO_USER":"$SUDO_USER" /root/.ssh
echo "Removing old entry for manager from known_hosts if it exists"
grep -q "$MSRV" /root/.ssh/known_hosts && sed -i "/${MSRV}/d" /root/.ssh/known_hosts
echo "Copying the SSH key to the manager"
#Copy the key over to the manager
$sshcopyidcmd -f -i /root/.ssh/so.key soremote@"$MSRV"
}
create_local_directories() {
echo "Creating local pillar and salt directories"
PILLARSALTDIR=${SCRIPTDIR::-5}
for i in "pillar" "salt"; do
for d in $(find $PILLARSALTDIR/$i -type d); do
suffixdir=${d//$PILLARSALTDIR/}
if [ ! -d "$local_salt_dir/$suffixdir" ]; then
mkdir -pv "$local_salt_dir$suffixdir" >> "$setup_log" 2>&1
fi
done
chown -R socore:socore "$local_salt_dir/$i"
done
}
create_local_nids_rules() {
# Create a local.rules file so it doesn't get blasted on updates
mkdir -p /opt/so/saltstack/local/salt/idstools
echo "# Custom Suricata rules go in this file" > /opt/so/saltstack/local/salt/idstools/local.rules
}
create_repo() {
# Create the repo for airgap
createrepo /nsm/repo
}
detect_cloud() {
echo "Testing if setup is running on a cloud instance..." >> "$setup_log" 2>&1
if ( curl --fail -s -m 5 http://169.254.169.254/latest/meta-data/instance-id > /dev/null ) || ( dmidecode -s bios-vendor | grep -q Google > /dev/null); then export is_cloud="true"; fi
}
detect_os() {
# Detect Base OS
echo "Detecting Base OS" >> "$setup_log" 2>&1
if [ -f /etc/redhat-release ]; then
OS=centos
if grep -q "CentOS Linux release 7" /etc/redhat-release; then
OSVER=7
elif grep -q "CentOS Linux release 8" /etc/redhat-release; then
OSVER=8
echo "We currently do not support CentOS $OSVER but we are working on it!"
exit 1
else
echo "We do not support the version of CentOS you are trying to use."
exit 1
fi
# Print message to stdout so the user knows setup is doing something
echo "Installing required packages to run installer..."
# Install bind-utils so the host command exists
if [[ ! $is_iso ]]; then
if ! command -v host > /dev/null 2>&1; then
yum -y install bind-utils >> "$setup_log" 2>&1
fi
if ! command -v nmcli > /dev/null 2>&1; then
{
yum -y install NetworkManager;
systemctl enable NetworkManager;
systemctl start NetworkManager;
} >> "$setup_log" 2<&1
fi
if ! command -v bc > /dev/null 2>&1; then
yum -y install bc >> "$setup_log" 2>&1
fi
if ! yum versionlock > /dev/null 2>&1; then
yum -y install yum-plugin-versionlock >> "$setup_log" 2>&1
fi
else
logCmd "systemctl enable NetworkManager"
logCmd "systemctl start NetworkManager"
fi
elif [ -f /etc/os-release ]; then
OS=ubuntu
if grep -q "UBUNTU_CODENAME=bionic" /etc/os-release; then
OSVER=bionic
elif grep -q "UBUNTU_CODENAME=xenial" /etc/os-release; then
OSVER=xenial
else
echo "We do not support your current version of Ubuntu."
exit 1
fi
# Print message to stdout so the user knows setup is doing something
echo "Installing required packages to run installer..."
# Install network manager so we can do interface stuff
if ! command -v nmcli > /dev/null 2>&1; then
if wait_for_apt; then apt-get install -y network-manager >> "$setup_log" 2<&1; else exit 1; fi
{
systemctl enable NetworkManager
systemctl start NetworkManager
} >> "$setup_log" 2<&1
fi
if wait_for_apt; then apt-get install -y bc curl >> "$setup_log" 2>&1; else exit 1; fi
else
echo "We were unable to determine if you are using a supported OS."
exit 1
fi
echo "Found OS: $OS $OSVER" >> "$setup_log" 2>&1
}
disable_auto_start() {
if crontab -l -u $INSTALLUSERNAME 2>&1 | grep -q so-setup; then
# Remove the automated setup script from crontab, if it exists
logCmd "crontab -u $INSTALLUSERNAME -r"
fi
if grep -s -q so-setup /home/$INSTALLUSERNAME/.bash_profile; then
# Truncate last line of the bash profile
info "Removing auto-run of setup from bash profile"
sed -i '$ d' /home/$INSTALLUSERNAME/.bash_profile >> "$setup_log" 2>&1
fi
}
disable_ipv6() {
{
info "Disabling ipv6"
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
} >> "$setup_log" 2>&1
}
disable_misc_network_features() {
filter_unused_nics
if [ ${#filtered_nics[@]} -ne 0 ]; then
for unused_nic in "${filtered_nics[@]}"; do
if [ -n "$unused_nic" ]; then
echo "Disabling unused NIC: $unused_nic" >> "$setup_log" 2>&1
# Disable DHCPv4/v6 and autoconnect
nmcli con mod "$unused_nic" \
ipv4.method disabled \
ipv6.method ignore \
connection.autoconnect "no" >> "$setup_log" 2>&1
# Flush any existing IPs
ip addr flush "$unused_nic" >> "$setup_log" 2>&1
fi
done
fi
# Disable IPv6
{
echo "net.ipv6.conf.all.disable_ipv6 = 1"
echo "net.ipv6.conf.default.disable_ipv6 = 1"
echo "net.ipv6.conf.lo.disable_ipv6 = 1"
} >> /etc/sysctl.conf
}
docker_install() {
if [ $OS = 'centos' ]; then
{
yum clean expire-cache;
if [[ ! $is_airgap ]]; then
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo;
fi
if [[ ! $is_iso ]]; then
yum -y install docker-ce-19.03.14-3.el7 containerd.io-1.2.13-3.2.el7;
fi
yum versionlock docker-ce-19.03.14-3.el7;
yum versionlock containerd.io-1.2.13-3.2.el7
} >> "$setup_log" 2>&1
else
case "$install_type" in
'MANAGER' | 'EVAL' | 'STANDALONE' | 'MANAGERSEARCH' | 'IMPORT')
if wait_for_apt 'whiptail_prog_new_message'; then apt-get update >> "$setup_log" 2>&1; else kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1; fi
;;
*)
if wait_for_apt 'whiptail_prog_new_message'; then
{
apt-key add "$temp_install_dir"/gpg/docker.pub;
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable";
apt-get update;
} >> "$setup_log" 2>&1
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
;;
esac
if wait_for_apt 'whiptail_prog_new_message'; then
if [ $OSVER != "xenial" ]; then
apt-get -y install docker-ce python3-docker >> "$setup_log" 2>&1
else
apt-get -y install docker-ce python-docker >> "$setup_log" 2>&1
fi
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
fi
docker_registry
{
echo "Restarting Docker";
systemctl restart docker;
systemctl enable docker;
} >> "$setup_log" 2>&1
}
docker_registry() {
echo "Setting up Docker Registry" >> "$setup_log" 2>&1
mkdir -p /etc/docker >> "$setup_log" 2>&1
# This will get applied so docker can attempt to start
if [ -z "$DOCKERNET" ]; then
DOCKERNET=172.17.0.0
fi
# Make the host use the manager docker registry
DNETBIP=$(echo $DOCKERNET | awk -F'.' '{print $1,$2,$3,1}' OFS='.')/24
if [ -n "$TURBO" ]; then local proxy="$TURBO"; else local proxy="https://$MSRV"; fi
printf '%s\n'\
"{"\
" \"registry-mirrors\": [ \"$proxy:5000\" ],"\
" \"bip\": \"$DNETBIP\","\
" \"default-address-pools\": ["\
" {"\
" \"base\" : \"$DOCKERNET/24\","\
" \"size\" : 24"\
" }"\
" ]"\
"}" > /etc/docker/daemon.json
echo "Docker Registry Setup - Complete" >> "$setup_log" 2>&1
}
docker_seed_update() {
local name=$1
local percent_delta=1
if [ "$install_type" == 'HELIXSENSOR' ]; then
percent_delta=6
fi
((docker_seed_update_percent+=percent_delta))
set_progress_str "$docker_seed_update_percent" "Downloading $name"
}
docker_seed_registry() {
local VERSION="$SOVERSION"
if ! [ -f /nsm/docker-registry/docker/registry.tar ]; then
if [ "$install_type" == 'IMPORT' ]; then
container_list 'so-import'
elif [ "$install_type" == 'HELIXSENSOR' ]; then
container_list 'so-helix'
else
container_list
fi
docker_seed_update_percent=25
update_docker_containers 'netinstall' '' 'docker_seed_update' "$setup_log"
else
tar xvf /nsm/docker-registry/docker/registry.tar -C /nsm/docker-registry/docker >> "$setup_log" 2>&1
rm /nsm/docker-registry/docker/registry.tar >> "$setup_log" 2>&1
fi
}
download_repo_tarball() {
local automated=$1
local sshcmd=get_ssh_cmd $automated
local scpcmd=get_scp_cmd $automated
mkdir -p /root/manager_setup/securityonion
{
local manager_ver
manager_ver=$("$sshcmd" -i /root/.ssh/so.key soremote@"$MSRV" cat /etc/soversion)
$scpcmd -i /root/.ssh/so.key soremote@"$MSRV":/opt/so/repo/"$manager_ver".tar.gz /root/manager_setup
} >> "$setup_log" 2>&1
# Fail if the file doesn't download
if ! [ -f /root/manager_setup/"$manager_ver".tar.gz ]; then
rm /root/install_opt
local message="Could not download $manager_ver.tar.gz from manager, please check your network settings and verify the file /opt/so/repo/$manager_ver.tar.gz exists on the manager."
echo "$message" | tee -a "$setup_log"
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
{
tar -xzf /root/manager_setup/"$manager_ver".tar.gz -C /root/manager_setup/securityonion
rm -rf /root/manager_setup/"$manager_ver".tar.gz
} >> "$setup_log" 2>&1
}
fireeye_pillar() {
local fireeye_pillar_path=$local_salt_dir/pillar/fireeye
mkdir -p "$fireeye_pillar_path"
printf '%s\n'\
"fireeye:"\
" helix:"\
" api_key: '$HELIXAPIKEY'" \
"" > "$fireeye_pillar_path/init.sls"
}
# Generate Firewall Templates
firewall_generate_templates() {
local firewall_pillar_path=$local_salt_dir/salt/firewall
mkdir -p "$firewall_pillar_path"
cp ../files/firewall/* /opt/so/saltstack/local/salt/firewall/ >> "$setup_log" 2>&1
for i in analyst beats_endpoint sensor manager minion osquery_endpoint search_node wazuh_endpoint; do
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost "$i" 127.0.0.1
done
}
fleet_pillar() {
local pillar_file="$temp_install_dir"/pillar/minions/"$MINION_ID".sls
# Create the fleet pillar
printf '%s\n'\
"fleet:"\
" mainip: '$MAINIP'"\
" manager: '$MSRV'"\
"" > "$pillar_file"
}
generate_passwords(){
# Generate Random Passwords for Things
MYSQLPASS=$(get_random_value)
PLAYBOOKDBPASS=$(get_random_value)
PLAYBOOKADMINPASS=$(get_random_value)
PLAYBOOKAUTOMATIONPASS=$(get_random_value)
FLEETPASS=$(get_random_value)
FLEETJWT=$(get_random_value)
GRAFANAPASS=$(get_random_value)
if [[ "$THEHIVE" == "1" ]]; then
HIVEKEY=$(get_random_value)
HIVEPLAYSECRET=$(get_random_value)
CORTEXKEY=$(get_random_value)
CORTEXORGUSERKEY=$(get_random_value)
CORTEXPLAYSECRET=$(get_random_value)
fi
SENSORONIKEY=$(get_random_value)
KRATOSKEY=$(get_random_value)
}
generate_repo_tarball() {
mkdir /opt/so/repo
tar -czf /opt/so/repo/"$SOVERSION".tar.gz ../.
}
get_redirect() {
whiptail_set_redirect
if [ "$REDIRECTINFO" = "OTHER" ]; then
whiptail_set_redirect_host
fi
}
get_minion_type() {
local minion_type
case "$install_type" in
'EVAL' | 'MANAGERSEARCH' | 'MANAGER' | 'SENSOR' | 'HEAVYNODE' | 'FLEET' | 'STANDALONE' | 'IMPORT')
minion_type=$(echo "$install_type" | tr '[:upper:]' '[:lower:]')
;;
'HELIXSENSOR')
minion_type='helix'
;;
*'NODE')
minion_type='node'
;;
esac
echo "$minion_type"
}
get_scp_cmd() {
local automated=$1
if [ $automated == yes ]; then
local scpcmd='sshpass -p "automation" scp -o StrictHostKeyChecking=no'
else
local scpcmd='scp'
fi
echo $scpcmd
}
get_ssh_cmd() {
local automated=$1
if [ $automated == yes ]; then
local sshcmd='sshpass -p "automation" ssh -o StrictHostKeyChecking=no'
else
local sshcmd='ssh'
fi
echo $sshcmd
}
get_ssh_copy_id_cmd() {
local automated=$1
if [ $automated == yes ]; then
local sshcopyidcmd='sshpass -p "automation" ssh-copy-id -o StrictHostKeyChecking=no'
else
local sshcopyidcmd='ssh-copy-id'
fi
echo $sshcopyidcmd
}
host_pillar() {
local pillar_file="$temp_install_dir"/pillar/minions/"$MINION_ID".sls
# Create the host pillar
printf '%s\n'\
"host:"\
" mainint: '$MNIC'"\
"sensoroni:"\
" node_address: '$MAINIP'"\
" node_description: '$NODE_DESCRIPTION'"\
"" > "$pillar_file"
}
install_cleanup() {
if [ -f "$temp_install_dir" ]; then
echo "Installer removing the following files:"
ls -lR "$temp_install_dir"
# Clean up after ourselves
rm -rf "$temp_install_dir"
fi
# All cleanup prior to this statement must be compatible with automated testing. Cleanup
# that will disrupt automated tests should be placed beneath this statement.
[ -n "$TESTING" ] && return
# If Mysql is running stop it
if docker ps --format "{{.Names}}" 2>&1 | grep -q "so-mysql"; then
/usr/sbin/so-mysql-stop
fi
if [[ $setup_type == 'iso' ]]; then
info "Removing so-setup permission entry from sudoers file"
sed -i '/so-setup/d' /etc/sudoers
fi
}
import_registry_docker() {
if [ -f /nsm/docker-registry/docker/registry_image.tar ]; then
logCmd "service docker start"
logCmd "docker load -i /nsm/docker-registry/docker/registry_image.tar"
else
info "Need to download registry"
fi
}
manager_pillar() {
local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls
# Create the manager pillar
printf '%s\n'\
"manager:"\
" mainip: '$MAINIP'"\
" mainint: '$MNIC'"\
" esheap: '$ES_HEAP_SIZE'"\
" esclustername: {{ grains.host }}"\
" freq: 0"\
" domainstats: 0" >> "$pillar_file"
if [ "$install_type" = 'EVAL' ] || [ "$install_type" = 'HELIXSENSOR' ] || [ "$install_type" = 'MANAGERSEARCH' ] || [ "$install_type" = 'STANDALONE' ]; then
printf '%s\n'\
" mtu: $MTU" >> "$pillar_file"
fi
printf '%s\n'\
" elastalert: 1"\
" es_port: $node_es_port"\
" log_size_limit: $log_size_limit"\
" cur_close_days: $CURCLOSEDAYS"\
" grafana: $GRAFANA"\
" osquery: $OSQUERY"\
" thehive: $THEHIVE"\
" playbook: $PLAYBOOK"\
""\
"elasticsearch:"\
" mainip: '$MAINIP'"\
" mainint: '$MNIC'"\
" esheap: '$NODE_ES_HEAP_SIZE'"\
" esclustername: {{ grains.host }}"\
" node_type: '$NODETYPE'"\
" es_port: $node_es_port"\
" log_size_limit: $log_size_limit"\
" node_route_type: 'hot'"\
""\
"logstash_settings:"\
" ls_pipeline_batch_size: 125"\
" ls_input_threads: 1"\
" lsheap: $LS_HEAP_SIZE"\
" ls_pipeline_workers: $num_cpu_cores"\
""\
"idstools:"\
" config:"\
" ruleset: '$RULESETUP'"\
" oinkcode: '$OINKCODE'"\
" urls:"\
" sids:"\
" enabled:"\
" disabled:"\
" modify:"\
""\
"kratos:" >> "$pillar_file"
printf '%s\n'\
" kratoskey: '$KRATOSKEY'"\
"" >> "$pillar_file"
}
manager_global() {
local global_pillar="$local_salt_dir/pillar/global.sls"
if [ -z "$NODE_CHECKIN_INTERVAL_MS" ]; then
NODE_CHECKIN_INTERVAL_MS=10000
if [ "$install_type" = 'EVAL' ] || [ "$install_type" = 'STANDALONE' ] || [ "$install_type" = 'IMPORT' ]; then
NODE_CHECKIN_INTERVAL_MS=1000
fi
fi
if [ -z "$DOCKERNET" ]; then
DOCKERNET=172.17.0.0
DOCKERBIP=$(echo $DOCKERNET | awk -F'.' '{print $1,$2,$3,1}' OFS='.')/24
else
DOCKERBIP=$(echo $DOCKERNET | awk -F'.' '{print $1,$2,$3,1}' OFS='.')/24
fi
# Create a global file for global values
printf '%s\n'\
"global:"\
" soversion: '$SOVERSION'"\
" hnmanager: '$HNMANAGER'"\
" ntpserver: '$NTPSERVER'"\
" dockernet: '$DOCKERNET'"\
" proxy: '$PROXY'"\
" mdengine: '$ZEEKVERSION'"\
" ids: '$NIDS'"\
" url_base: '$REDIRECTIT'"\
" managerip: '$MAINIP'" > "$global_pillar"
if [[ $is_airgap ]]; then
printf '%s\n'\
" airgap: True"\ >> "$global_pillar"
else
printf '%s\n'\
" airgap: False"\ >> "$global_pillar"
fi
# Check if TheHive is enabled. If so, add creds and other details
if [[ "$THEHIVE" == "1" ]]; then
printf '%s\n'\
" hiveuser: '$WEBUSER'"\
" hivepassword: '$WEBPASSWD1'"\
" hivekey: '$HIVEKEY'"\
" hiveplaysecret: '$HIVEPLAYSECRET'"\
" cortexuser: '$WEBUSER'"\
" cortexpassword: '$WEBPASSWD1'"\
" cortexkey: '$CORTEXKEY'"\
" cortexorgname: 'SecurityOnion'"\
" cortexorguser: 'soadmin'"\
" cortexorguserkey: '$CORTEXORGUSERKEY'"\
" cortexplaysecret: '$CORTEXPLAYSECRET'" >> "$global_pillar"
fi
# Continue adding other details
printf '%s\n'\
" fleet_custom_hostname: "\
" fleet_manager: False"\
" fleet_node: False"\
" fleet_packages-timestamp: 'N/A'"\
" fleet_packages-version: 1"\
" fleet_hostname: 'N/A'"\
" fleet_ip: 'N/A'"\
" sensoronikey: '$SENSORONIKEY'"\
" wazuh: $WAZUH"\
" managerupdate: $MANAGERUPDATES"\
" imagerepo: '$IMAGEREPO'"\
" pipeline: 'redis'"\
"sensoroni:"\
" node_checkin_interval_ms: $NODE_CHECKIN_INTERVAL_MS"\
"strelka:"\
" enabled: $STRELKA"\
" rules: 1"\
" repos:"\
" - https://github.com/Neo23x0/signature-base"\
"curator:"\
" hot_warm: False"\
"elastic:"\
" features: False"\
"elasticsearch:"\
" replicas: 0" >> "$global_pillar"
if [ -n "$ESCLUSTERNAME" ]; then
printf '%s\n'\
" true_cluster: True"\
" true_cluster_name: '$ESCLUSTERNAME'" >> "$global_pillar"
else
printf '%s\n'\
" true_cluster: False"\
" true_cluster_name: 'so'" >> "$global_pillar"
fi
printf '%s\n'\
" discovery_nodes: 1"\
" hot_warm_enabled: False"\
" cluster_routing_allocation_disk.threshold_enabled: true"\
" cluster_routing_allocation_disk_watermark_low: '95%'"\
" cluster_routing_allocation_disk_watermark_high: '98%'"\
" cluster_routing_allocation_disk_watermark_flood_stage: '98%'"\
" index_settings:"\
" so-beats:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-firewall:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-flow:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-ids:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-import:"\
" shards: 1"\
" warm: 7"\
" close: 73000"\
" delete: 73001"\
" so-osquery:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-ossec:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-strelka:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-syslog:"\
" shards: 1"\
" warm: 7"\
" close: 30"\
" delete: 365"\
" so-zeek:"\
" shards: 5"\
" warm: 7"\
" close: 365"\
" delete: 45"\
"minio:"\
" access_key: '$ACCESS_KEY'"\
" access_secret: '$ACCESS_SECRET'"\
"s3_settings:"\
" size_file: 2048"\
" time_file: 1"\
" upload_queue_size: 4"\
" encoding: 'gzip'"\
" interval: 5"\
"backup:"\
" locations:"\
" - /opt/so/saltstack/local"\
"soctopus:"\
" playbook:"\
" rulesets:"\
" - windows"\
"docker:"\
" range: '$DOCKERNET/24'"\
" bip: '$DOCKERBIP'"\
"redis_settings:"\
" redis_maxmemory: 812" >> "$global_pillar"
printf '%s\n' '----' >> "$setup_log" 2>&1
}
minio_generate_keys() {
local charSet="[:graph:]"
ACCESS_KEY=$(get_random_value)
ACCESS_SECRET=$(get_random_value 40)
}
network_init() {
disable_ipv6
set_hostname
if [[ "$setup_type" == 'iso' ]]; then
set_management_interface
fi
}
network_init_whiptail() {
case "$setup_type" in
'iso')
whiptail_set_hostname
whiptail_management_nic
whiptail_dhcp_or_static
if [ "$address_type" != 'DHCP' ]; then
whiptail_management_interface_ip
whiptail_management_interface_mask
whiptail_management_interface_gateway
whiptail_management_interface_dns
whiptail_management_interface_dns_search
fi
;;
'network')
whiptail_network_notice
whiptail_dhcp_warn
whiptail_set_hostname
whiptail_management_nic
;;
esac
}
network_setup() {
{
echo "Finishing up network setup";
echo "... Verifying all network devices are managed by Network Manager";
check_network_manager_conf;
echo "... Disabling unused NICs";
disable_misc_network_features;
echo "... Setting ONBOOT for management interface";
command -v netplan &> /dev/null || nmcli con mod "$MNIC" connection.autoconnect "yes"
echo "... Copying 99-so-checksum-offload-disable";
cp ./install_scripts/99-so-checksum-offload-disable /etc/NetworkManager/dispatcher.d/pre-up.d/99-so-checksum-offload-disable ;
echo "... Modifying 99-so-checksum-offload-disable";
sed -i "s/\$MNIC/${MNIC}/g" /etc/NetworkManager/dispatcher.d/pre-up.d/99-so-checksum-offload-disable;
} >> "$setup_log" 2>&1
}
elasticsearch_pillar() {
local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls
# Create the node pillar
printf '%s\n'\
"elasticsearch:"\
" mainip: '$MAINIP'"\
" mainint: '$MNIC'"\
" esheap: '$NODE_ES_HEAP_SIZE'" >> "$pillar_file"
if [ -n "$ESCLUSTERNAME" ]; then
printf '%s\n'\
" esclustername: $ESCLUSTERNAME" >> "$pillar_file"
else
printf '%s\n'\
" esclustername: {{ grains.host }}" >> "$pillar_file"
fi
printf '%s\n'\
" node_type: '$NODETYPE'"\
" es_port: $node_es_port"\
" log_size_limit: $log_size_limit"\
" node_route_type: 'hot'"\
"" >> "$pillar_file"
printf '%s\n'\
"logstash_settings:"\
" ls_pipeline_batch_size: $LSPIPELINEBATCH"\
" ls_input_threads: $LSINPUTTHREADS"\
" lsheap: $NODE_LS_HEAP_SIZE"\
" ls_pipeline_workers: $num_cpu_cores"\
"" >> "$pillar_file"
}
parse_install_username() {
# parse out the install username so things copy correctly
INSTALLUSERNAME=${SUDO_USER:-${USER}}
}
patch_pillar() {
local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls
printf '%s\n'\
"patch:"\
" os:"\
" schedule_name: '$PATCHSCHEDULENAME'"\
" enabled: True"\
" splay: 300"\
"" >> "$pillar_file"
}
patch_schedule_os_new() {
local OSPATCHSCHEDULEDIR="$temp_install_dir/salt/patch/os/schedules"
local OSPATCHSCHEDULE="$OSPATCHSCHEDULEDIR/$PATCHSCHEDULENAME.yml"
mkdir -p $OSPATCHSCHEDULEDIR
printf '%s\n'\
"patch:"\
" os:"\
" schedule:"> "$OSPATCHSCHEDULE"
for psd in "${PATCHSCHEDULEDAYS[@]}";do
psd="${psd//\"/}"
echo " - $psd:" >> "$OSPATCHSCHEDULE"
for psh in "${PATCHSCHEDULEHOURS[@]}"
do
psh="${psh//\"/}"
echo " - '$psh'" >> "$OSPATCHSCHEDULE"
done
done
}
print_salt_state_apply() {
local state=$1
echo "Applying $state Salt state"
}
reserve_group_ids() {
# This is a hack to fix CentOS from taking group IDs that we need
groupadd -g 928 kratos
groupadd -g 930 elasticsearch
groupadd -g 931 logstash
groupadd -g 932 kibana
groupadd -g 933 elastalert
groupadd -g 934 curator
groupadd -g 937 zeek
groupadd -g 940 suricata
groupadd -g 941 stenographer
groupadd -g 945 ossec
groupadd -g 946 cyberchef
}
reinstall_init() {
info "Putting system in state to run setup again"
if [[ $install_type =~ ^(MANAGER|EVAL|HELIXSENSOR|MANAGERSEARCH|STANDALONE|FLEET|IMPORT)$ ]]; then
local salt_services=( "salt-master" "salt-minion" )
else
local salt_services=( "salt-minion" )
fi
local service_retry_count=20
{
if command -v salt-call &> /dev/null; then
# Disable schedule so highstate doesn't start running during the install
salt-call -l info schedule.disable
# Kill any currently running salt jobs, also to prevent issues with highstate.
salt-call -l info saltutil.kill_all_jobs
fi
# Kill any salt processes (safely)
for service in "${salt_services[@]}"; do
# Stop the service in the background so we can exit after a certain amount of time
systemctl stop "$service" &
local pid=$!
local count=0
while check_service_status "$service"; do
if [[ $count -gt $service_retry_count ]]; then
echo "Could not stop $service after 1 minute, exiting setup."
# Stop the systemctl process trying to kill the service, show user a message, then exit setup
kill -9 $pid
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
sleep 5
((count++))
done
done
# Remove all salt configs
rm -rf /etc/salt/grains /etc/salt/minion /etc/salt/pki/*
if command -v docker &> /dev/null; then
# Stop and remove all so-* containers so files can be changed with more safety
if [ $(docker ps -a -q --filter "name=so-" | wc -l) -gt 0 ]; then
docker stop $(docker ps -a -q --filter "name=so-")
docker rm -f $(docker ps -a -q --filter "name=so-")
fi
fi
local date_string
date_string=$(date +%s)
# Backup /opt/so since we'll be rebuilding this directory during setup
backup_dir /opt/so "$date_string"
# Backup directories in /nsm to prevent app errors
backup_dir /nsm/mysql "$date_string"
backup_dir /nsm/wazuh "$date_string"
# Remove the old launcher package in case the config changes
remove_package launcher-final
} >> "$setup_log" 2>&1
}
backup_dir() {
dir=$1
backup_suffix=$2
if [[ -d $dir ]]; then
mv "$dir" "${dir}_old_${backup_suffix}"
fi
}
remove_package() {
local package_name=$1
if [ $OS = 'centos' ]; then
if rpm -qa | grep -q "$package_name"; then
yum remove -y "$package_name"
fi
else
if dpkg -l | grep -q "$package_name"; then
if wait_for_apt 'whiptail_prog_new_message'; then
apt purge -y "$package_name"
else
exit 1
fi
fi
fi
}
# When updating the salt version, also update the version in securityonion-builds/images/iso-task/Dockerfile and salt/salt/master.defaults.yaml and salt/salt/minion.defaults.yaml
# CAUTION! SALT VERSION UDDATES - READ BELOW
# When updating the salt version, also update the version in:
# - securityonion-builds/iso-resources/build.sh
# - securityonion-builds/iso-resources/packages.lst
# - securityonion/salt/salt/master.defaults.yaml
# - securityonion/salt/salt/minion.defaults.yaml
saltify() {
local automated=$1
local scpcmd=get_scp_cmd $automated
# Install updates and Salt
if [ $OS = 'centos' ]; then
set_progress_str 5 'Installing Salt repo'
{
sudo rpm --import https://repo.saltstack.com/py3/redhat/7/x86_64/archive/3002.2/SALTSTACK-GPG-KEY.pub;
cp ./yum_repos/saltstack.repo /etc/yum.repos.d/saltstack.repo;
} >> "$setup_log" 2>&1
set_progress_str 6 'Installing various dependencies'
if [[ ! $is_iso ]]; then
logCmd "yum -y install wget nmap-ncat"
fi
case "$install_type" in
'MANAGER' | 'EVAL' | 'MANAGERSEARCH' | 'FLEET' | 'HELIXSENSOR' | 'STANDALONE'| 'IMPORT')
reserve_group_ids >> "$setup_log" 2>&1
if [[ ! $is_iso ]]; then
logCmd "yum -y install epel-release"
logCmd "yum -y install sqlite argon2 curl mariadb-devel"
fi
# Download Ubuntu Keys in case manager updates = 1
mkdir -p /opt/so/gpg >> "$setup_log" 2>&1
if [[ ! $is_airgap ]]; then
logCmd "wget -q --inet4-only -O /opt/so/gpg/SALTSTACK-GPG-KEY.pub https://repo.saltstack.com/py3/ubuntu/18.04/amd64/archive/3002.2/SALTSTACK-GPG-KEY.pub"
logCmd "wget -q --inet4-only -O /opt/so/gpg/docker.pub https://download.docker.com/linux/ubuntu/gpg"
logCmd "wget -q --inet4-only -O /opt/so/gpg/GPG-KEY-WAZUH https://packages.wazuh.com/key/GPG-KEY-WAZUH"
logCmd "cp ./yum_repos/wazuh.repo /etc/yum.repos.d/wazuh.repo"
fi
set_progress_str 7 'Installing salt-master'
if [[ ! $is_iso ]]; then
logCmd "yum -y install salt-master-3002.2"
fi
systemctl enable salt-master >> "$setup_log" 2>&1
;;
*)
if [ "$MANAGERUPDATES" = '1' ]; then
{
if [[ ! $is_airgap ]]; then
# Create the GPG Public Key for the Salt Repo
cp ./public_keys/salt.pem /etc/pki/rpm-gpg/saltstack-signing-key;
# Copy repo files over
cp ./yum_repos/saltstack.repo /etc/yum.repos.d/saltstack.repo;
else
info "This is airgap"
fi
} >> "$setup_log" 2>&1
fi
;;
esac
if [[ ! $is_airgap ]]; then
cp ./yum_repos/wazuh.repo /etc/yum.repos.d/wazuh.repo >> "$setup_log" 2>&1
yum clean expire-cache >> "$setup_log" 2>&1
fi
set_progress_str 8 'Installing salt-minion & python modules'
{
if [[ ! $is_iso ]]; then
yum -y install epel-release
yum -y install salt-minion-3002.2\
python3\
python36-docker\
python36-dateutil\
python36-m2crypto\
python36-mysql\
yum-utils\
device-mapper-persistent-data\
lvm2\
openssl\
jq;
yum -y update --exclude=salt*;
fi
systemctl enable salt-minion;
} >> "$setup_log" 2>&1
yum versionlock salt*
else
if wait_for_apt 'whiptail_prog_new_message'; then
DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade >> "$setup_log" 2>&1
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
if [ $OSVER != "xenial" ]; then
# Switch to Python 3 as default if this is not xenial
update-alternatives --install /usr/bin/python python /usr/bin/python3.6 10 >> "$setup_log" 2>&1
fi
if wait_for_apt 'whiptail_prog_new_message'; then
# Add the pre-requisites for installing docker-ce
apt-get -y install ca-certificates\
curl\
software-properties-common\
apt-transport-https\
openssl\
netcat\
jq >> "$setup_log" 2>&1
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
# Grab the version from the os-release file
local ubuntu_version
ubuntu_version=$(grep VERSION_ID /etc/os-release | awk -F '[ "]' '{print $2}')
if [ "$OSVER" != "xenial" ]; then local py_ver_url_path="/py3"; else local py_ver_url_path="/apt"; fi
case "$install_type" in
'FLEET')
if wait_for_apt 'whiptail_prog_new_message'; then
if [ "$OSVER" != 'xenial' ]; then apt-get -y install python3-mysqldb >> "$setup_log" 2>&1; else apt-get -y install python-mysqldb >> "$setup_log" 2>&1; fi
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
;;
'MANAGER' | 'EVAL' | 'MANAGERSEARCH' | 'STANDALONE' | 'IMPORT' | 'HELIXSENSOR')
# Add saltstack repo(s)
wget -q --inet4-only -O - https://repo.saltstack.com"$py_ver_url_path"/ubuntu/"$ubuntu_version"/amd64/archive/3002.2/SALTSTACK-GPG-KEY.pub | apt-key add - >> "$setup_log" 2>&1
echo "deb http://repo.saltstack.com$py_ver_url_path/ubuntu/$ubuntu_version/amd64/archive/3002.2 $OSVER main" > /etc/apt/sources.list.d/saltstack.list 2>> "$setup_log"
# Add Docker repo
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - >> "$setup_log" 2>&1
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" >> "$setup_log" 2>&1
# Get gpg keys
mkdir -p /opt/so/gpg >> "$setup_log" 2>&1
wget -q --inet4-only -O /opt/so/gpg/SALTSTACK-GPG-KEY.pub https://repo.saltstack.com$py_ver_url_path/ubuntu/"$ubuntu_version"/amd64/archive/3002.2/SALTSTACK-GPG-KEY.pub >> "$setup_log" 2>&1
wget -q --inet4-only -O /opt/so/gpg/docker.pub https://download.docker.com/linux/ubuntu/gpg >> "$setup_log" 2>&1
wget -q --inet4-only -O /opt/so/gpg/GPG-KEY-WAZUH https://packages.wazuh.com/key/GPG-KEY-WAZUH >> "$setup_log" 2>&1
# Get key and install wazuh
curl -s https://packages.wazuh.com/key/GPG-KEY-WAZUH | apt-key add - >> "$setup_log" 2>&1
# Add repo
echo "deb https://packages.wazuh.com/3.x/apt/ stable main" > /etc/apt/sources.list.d/wazuh.list 2>> "$setup_log"
if wait_for_apt 'whiptail_prog_new_message'; then
# Initialize the new repos
apt-get update >> "$setup_log" 2>&1
set_progress_str 6 'Installing various dependencies'
apt-get -y install sqlite3 argon2 libssl-dev >> "$setup_log" 2>&1
set_progress_str 7 'Installing salt-master'
apt-get -y install salt-master=3002.2+ds-1 >> "$setup_log" 2>&1
apt-mark hold salt-master >> "$setup_log" 2>&1
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
;;
*)
# Copy down the gpg keys and install them from the manager
mkdir "$temp_install_dir"/gpg >> "$setup_log" 2>&1
echo "scp the gpg keys and install them from the manager" >> "$setup_log" 2>&1
$scpcmd -v -i /root/.ssh/so.key soremote@"$MSRV":/opt/so/gpg/* "$temp_install_dir"/gpg >> "$setup_log" 2>&1
echo "Using apt-key add to add SALTSTACK-GPG-KEY.pub and GPG-KEY-WAZUH" >> "$setup_log" 2>&1
apt-key add "$temp_install_dir"/gpg/SALTSTACK-GPG-KEY.pub >> "$setup_log" 2>&1
apt-key add "$temp_install_dir"/gpg/GPG-KEY-WAZUH >> "$setup_log" 2>&1
echo "deb http://repo.saltstack.com$py_ver_url_path/ubuntu/$ubuntu_version/amd64/archive/3002.2/ $OSVER main" > /etc/apt/sources.list.d/saltstack.list 2>> "$setup_log"
echo "deb https://packages.wazuh.com/3.x/apt/ stable main" > /etc/apt/sources.list.d/wazuh.list 2>> "$setup_log"
;;
esac
if wait_for_apt 'whiptail_prog_new_message'; then
apt-get update >> "$setup_log" 2>&1
set_progress_str 8 'Installing salt-minion & python modules'
apt-get -y install salt-minion=3002.2+ds-1\
salt-common=3002.2+ds-1 >> "$setup_log" 2>&1
apt-mark hold salt-minion salt-common >> "$setup_log" 2>&1
if [ "$OSVER" != 'xenial' ]; then
apt-get -y install python3-pip python3-dateutil python3-m2crypto python3-mysqldb >> "$setup_log" 2>&1
else
apt-get -y install python-pip python-dateutil python-m2crypto python-mysqldb >> "$setup_log" 2>&1
fi
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
fi
}
salt_checkin() {
case "$install_type" in
'MANAGER' | 'EVAL' | 'HELIXSENSOR' | 'MANAGERSEARCH' | 'STANDALONE' | 'IMPORT') # Fix Mine usage
{
echo "Building Certificate Authority";
salt-call state.apply ca;
echo " *** Restarting Salt to fix any SSL errors. ***";
local SALT_SERVICES=(\
"salt-master" \
"salt-minion"
)
local count=0
for service in "${SALT_SERVICES[@]}"; do
{
echo "Restarting service $service"
systemctl restart "$service" &
local pid=$!
} >> "$setup_log" 2>&1
count=0
while ! (check_service_status "$service"); do
# On final loop, kill the pid trying to restart service and try to manually kill then start it
if [ $count -eq 12 ]; then
{
kill -9 "$pid"
systemctl kill "$service"
systemctl start "$service" &
local pid=$!
} >> "$setup_log" 2>&1
fi
if [ $count -gt 12 ]; then
echo "$service could not be restarted in 120 seconds, exiting" >> "$setup_log" 2>&1
kill -9 "$pid"
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
sleep 10;
((count++))
done
done
count=0
while ! (check_salt_master_status); do
echo "salt minion cannot talk to salt master" >> "$setup_log" 2>&1
if [ $count -gt 30 ]; then
echo "salt minion could not talk to salt master after 30 attempts, exiting" >> "$setup_log" 2>&1
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
sleep 1;
((count++))
done
count=0
while ! (check_salt_minion_status); do
echo "salt master did not get a job response from salt minion" >> "$setup_log" 2>&1
if [ $count -gt 30 ]; then
echo "salt master did not get a job response from salt minion after 30 attempts, exiting" >> "$setup_log" 2>&1
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
systemctl kill salt-minion
systemctl start salt-minion
sleep 1;
((count++))
done
echo " Confirming existence of the CA certificate"
openssl x509 -in /etc/pki/ca.crt -noout -subject -issuer -dates
echo " Applyng a mine hack";
salt "$MINION_ID" mine.send x509.get_pem_entries glob_path=/etc/pki/ca.crt;
salt "$MINION_ID" mine.update;
echo "Confirming salt mine now contains the certificate";
salt "$MINION_ID" mine.get '*' x509.get_pem_entries | grep -E 'BEGIN CERTIFICATE|END CERTIFICATE';
if [ $? -eq 0 ]; then
echo "CA in mine"
else
echo "CA not in mine"
fi
echo " Applying SSL state";
salt-call state.apply ssl;
} >> "$setup_log" 2>&1
;;
*)
{
salt-call state.apply ca;
salt-call state.apply ssl;
} >> "$setup_log" 2>&1
;;
esac
{
salt-call state.apply ca;
salt-call state.apply ssl;
salt-call saltutil.sync_modules;
} >> "$setup_log" 2>&1
}
# Run a salt command to generate the minion key
salt_firstcheckin() {
salt-call state.show_top >> /dev/null 2>&1 # send output to /dev/null because we don't actually care about the ouput
}
set_base_heapsizes() {
es_heapsize
ls_heapsize
}
set_network_dev_status_list() {
readarray -t nmcli_dev_status_list <<< "$(nmcli -t -f DEVICE,STATE -c no dev status)"
export nmcli_dev_status_list
}
set_main_ip() {
MAINIP=$(ip route get 1 | awk '{print $7;exit}')
MNIC_IP=$(ip a s "$MNIC" | grep -oE 'inet [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | cut -d' ' -f2)
}
compare_main_nic_ip() {
if [[ "$MAINIP" != "$MNIC_IP" ]]; then
read -r -d '' message <<- EOM
The IP being routed by Linux is not the IP address assigned to the management interface ($MNIC).
This is not a supported configuration, please remediate and rerun setup.
EOM
whiptail --title "Security Onion Setup" --msgbox "$message" 10 75
kill -SIGINT "$(ps --pid $$ -oppid=)"; exit 1
fi
}
# Add /usr/sbin to everyone's path
set_path() {
echo "complete -cf sudo" > /etc/profile.d/securityonion.sh
}
setup_salt_master_dirs() {
# Create salt master directories
mkdir -p $default_salt_dir/pillar
mkdir -p $default_salt_dir/salt
mkdir -p $local_salt_dir/pillar
mkdir -p $local_salt_dir/salt
# Copy over the salt code and templates
if [ "$setup_type" = 'iso' ]; then
rsync -avh --exclude 'TRANS.TBL' /home/$INSTALLUSERNAME/SecurityOnion/pillar/* $default_salt_dir/pillar/ >> "$setup_log" 2>&1
rsync -avh --exclude 'TRANS.TBL' /home/$INSTALLUSERNAME/SecurityOnion/salt/* $default_salt_dir/salt/ >> "$setup_log" 2>&1
mkdir -p $local_salt_dir/salt/zeek/policy/intel >> "$setup_log" 2>&1
cp -Rv /home/$INSTALLUSERNAME/SecurityOnion/files/intel.dat $local_salt_dir/salt/zeek/policy/intel/ >> "$setup_log" 2>&1
else
cp -Rv ../pillar/* $default_salt_dir/pillar/ >> "$setup_log" 2>&1
cp -Rv ../salt/* $default_salt_dir/salt/ >> "$setup_log" 2>&1
mkdir -p $local_salt_dir/salt/zeek/policy/intel >> "$setup_log" 2>&1
cp -Rv files/intel.dat $local_salt_dir/salt/zeek/policy/intel/ >> "$setup_log" 2>&1
fi
echo "Chown the salt dirs on the manager for socore" >> "$setup_log" 2>&1
chown -R socore:socore /opt/so
}
set_progress_str() {
local percentage_input=$1
progress_bar_text=$2
export progress_bar_text
if (( "$percentage_input" >= "$percentage" )); then
percentage="$percentage_input"
fi
percentage_str="XXX\n${percentage}\n${progress_bar_text}\nXXX"
echo -e "$percentage_str"
printf '%s\n' \
'----'\
"$percentage% - ${progress_bar_text^^}"\
"----" >> "$setup_log" 2>&1
}
sensor_pillar() {
local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls
# Create the sensor pillar
printf '%s\n'\
"sensor:"\
" interface: '$INTERFACE'"\
" mainip: '$MAINIP'"\
" mainint: '$MNIC'" >> "$pillar_file"
if [ "$NSMSETUP" = 'ADVANCED' ]; then
echo " zeek_pins:" >> "$pillar_file"
for PIN in "${ZEEKPINS[@]}"; do
PIN=$(echo "$PIN" | cut -d\" -f2)
echo " - $PIN" >> "$pillar_file"
done
echo " suripins:" >> "$pillar_file"
for SPIN in "${SURIPINS[@]}"; do
SPIN=$(echo "$SPIN" | cut -d\" -f2)
echo " - $SPIN" >> "$pillar_file"
done
elif [ "$install_type" = 'HELIXSENSOR' ]; then
echo " zeek_lbprocs: $lb_procs" >> "$pillar_file"
echo " suriprocs: $lb_procs" >> "$pillar_file"
else
echo " zeek_lbprocs: $BASICZEEK" >> "$pillar_file"
echo " suriprocs: $BASICSURI" >> "$pillar_file"
fi
printf '%s\n'\
" manager: '$MSRV'"\
" mtu: $MTU"\
" uniqueid: $(date '+%s')" >> "$pillar_file"
if [ "$HNSENSOR" != 'inherit' ]; then
echo " hnsensor: $HNSENSOR" >> "$pillar_file"
fi
}
set_default_log_size() {
local percentage
case $INSTALLTYPE in
STANDALONE | EVAL | HEAVYNODE)
percentage=50
;;
*)
percentage=80
;;
esac
local disk_dir="/"
if [ -d /nsm ]; then
disk_dir="/nsm"
fi
local disk_size_1k
disk_size_1k=$(df $disk_dir | grep -v "^Filesystem" | awk '{print $2}')
local ratio="1048576"
local disk_size_gb
disk_size_gb=$( echo "$disk_size_1k" "$ratio" | awk '{print($1/$2)}' )
log_size_limit=$( echo "$disk_size_gb" "$percentage" | awk '{printf("%.0f", $1 * ($2/100))}')
}
set_hostname() {
hostnamectl set-hostname --static "$HOSTNAME"
echo "127.0.0.1 $HOSTNAME $HOSTNAME.localdomain localhost localhost.localdomain localhost4 localhost4.localdomain" > /etc/hosts
echo "::1 $HOSTNAME $HOSTNAME.localdomain localhost localhost.localdomain localhost6 localhost6.localdomain6" >> /etc/hosts
echo "$HOSTNAME" > /etc/hostname
hostname -F /etc/hostname
}
set_initial_firewall_policy() {
set_main_ip
local automated=$1
local sshcmd=get_ssh_cmd $automated
if [ -f $default_salt_dir/pillar/data/addtotab.sh ]; then chmod +x $default_salt_dir/pillar/data/addtotab.sh; fi
if [ -f $default_salt_dir/salt/common/tools/sbin/so-firewall ]; then chmod +x $default_salt_dir/salt/common/tools/sbin/so-firewall; fi
case "$install_type" in
'MANAGER')
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost manager "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost minion "$MAINIP"
$default_salt_dir/pillar/data/addtotab.sh managertab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm"
;;
'EVAL' | 'MANAGERSEARCH' | 'STANDALONE' | 'IMPORT')
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost manager "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost minion "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost sensor "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost search_node "$MAINIP"
case "$install_type" in
'EVAL')
$default_salt_dir/pillar/data/addtotab.sh evaltab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm" "$INTERFACE" True
;;
'MANAGERSEARCH')
$default_salt_dir/pillar/data/addtotab.sh managersearchtab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm"
;;
'STANDALONE')
$default_salt_dir/pillar/data/addtotab.sh standalonetab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm" "$INTERFACE"
;;
esac
;;
'HELIXSENSOR')
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost manager "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall includehost minion "$MAINIP"
$default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost sensor "$MAINIP"
;;
'SENSOR' | 'SEARCHNODE' | 'HEAVYNODE' | 'FLEET')
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall includehost minion "$MAINIP"
case "$install_type" in
'SENSOR')
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost sensor "$MAINIP"
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/pillar/data/addtotab.sh sensorstab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm" "$INTERFACE"
;;
'SEARCHNODE')
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost search_node "$MAINIP"
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/pillar/data/addtotab.sh nodestab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm"
;;
'HEAVYNODE')
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall includehost sensor "$MAINIP"
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost heavy_node "$MAINIP"
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/pillar/data/addtotab.sh sensorstab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm" "$INTERFACE"
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/pillar/data/addtotab.sh nodestab "$MINION_ID" "$MAINIP" "$num_cpu_cores" "$random_uid" "$MNIC" "$filesystem_root" "$filesystem_nsm"
;;
'FLEET')
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost beats_endpoint_ssl "$MAINIP"
;;
esac
;;
'PARSINGNODE')
# TODO: implement
;;
'HOTNODE')
# TODO: implement
;;
'WARMNODE')
# TODO: implement
;;
esac
}
# Set up the management interface on the ISO
set_management_interface() {
if [ "$address_type" = 'DHCP' ]; then
nmcli con mod "$MNIC" connection.autoconnect yes >> "$setup_log" 2>&1
nmcli con up "$MNIC" >> "$setup_log" 2>&1
else
# Set Static IP
nmcli con mod "$MNIC" ipv4.addresses "$MIP"/"$MMASK"\
ipv4.gateway "$MGATEWAY" \
ipv4.dns "$MDNS"\
ipv4.dns-search "$MSEARCH"\
connection.autoconnect yes\
ipv4.method manual >> "$setup_log" 2>&1
nmcli con up "$MNIC" >> "$setup_log" 2>&1
fi
}
set_node_type() {
case "$install_type" in
'SEARCHNODE' | 'EVAL' | 'MANAGERSEARCH' | 'HEAVYNODE' | 'STANDALONE')
NODETYPE='search'
;;
'HOTNODE')
NODETYPE='hot'
;;
'WARMNODE')
NODETYPE='warm'
;;
esac
}
set_redirect() {
case $REDIRECTINFO in
'IP')
REDIRECTIT="$MAINIP"
;;
'HOSTNAME')
REDIRECTIT="$HOSTNAME"
;;
*)
REDIRECTIT="$REDIRECTHOST"
;;
esac
}
set_updates() {
if [ "$MANAGERUPDATES" = '1' ]; then
if [ "$OS" = 'centos' ]; then
if [[ ! $is_airgap ]]; then
if ! grep -q "$MSRV" /etc/yum.conf; then
echo "proxy=http://$MSRV:3142" >> /etc/yum.conf
fi
fi
else
# Set it up so the updates roll through the manager
printf '%s\n'\
"Acquire::http::Proxy \"http://$MSRV:3142\";"\
"Acquire::https::Proxy \"http://$MSRV:3142\";" > /etc/apt/apt.conf.d/00Proxy
fi
fi
}
steno_pillar() {
local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls
# Create the stenographer pillar
printf '%s\n'\
"steno:"\
" enabled: True" >> "$pillar_file"
}
mark_version() {
# Drop a file with the current version
echo "$SOVERSION" > /etc/soversion
}
update_sudoers() {
if ! grep -qE '^soremote\ ALL=\(ALL\)\ NOPASSWD:(\/usr\/bin\/salt\-key|\/opt\/so\/saltstack)' /etc/sudoers; then
# Update Sudoers so that soremote can accept keys without a password
echo "soremote ALL=(ALL) NOPASSWD:/usr/bin/salt-key" | tee -a /etc/sudoers
echo "soremote ALL=(ALL) NOPASSWD:$default_salt_dir/salt/common/tools/sbin/so-firewall" | tee -a /etc/sudoers
echo "soremote ALL=(ALL) NOPASSWD:$default_salt_dir/pillar/data/addtotab.sh" | tee -a /etc/sudoers
echo "soremote ALL=(ALL) NOPASSWD:$default_salt_dir/salt/manager/files/add_minion.sh" | tee -a /etc/sudoers
else
echo "User soremote already granted sudo privileges" >> "$setup_log" 2>&1
fi
}
update_packages() {
if [ "$OS" = 'centos' ]; then
yum -y update >> "$setup_log"
else
if wait_for_apt 'whiptail_prog_new_message'; then
apt-get -y update >> "$setup_log"
apt-get -y upgrade >> "$setup_log"
else
kill -SIGUSR1 "$(ps --pid $$ -oppid=)"; exit 1
fi
fi
}
# This is used for development to speed up network install tests.
use_turbo_proxy() {
if [[ ! $install_type =~ ^(MANAGER|EVAL|HELIXSENSOR|MANAGERSEARCH|STANDALONE)$ ]]; then
echo "turbo is not supported on this install type" >> $setup_log 2>&1
return
fi
if [[ $OS == 'centos' ]]; then
printf '%s\n' "proxy=${TURBO}:3142" >> /etc/yum.conf
else
printf '%s\n'\
"Acquire {"\
" HTTP::proxy \"${TURBO}:3142\";"\
" HTTPS::proxy \"${TURBO}:3142\";"\
"}" > /etc/apt/apt.conf.d/proxy.conf
fi
}
# Set Logstash heap size based on total memory
ls_heapsize() {
if [ "$total_mem" -ge 32000 ]; then
LS_HEAP_SIZE='1000m'
return
fi
case "$install_type" in
'MANAGERSEARCH' | 'HEAVYNODE' | 'HELIXSENSOR' | 'STANDALONE')
LS_HEAP_SIZE='1000m'
;;
'EVAL')
LS_HEAP_SIZE='700m'
;;
*)
LS_HEAP_SIZE='500m'
;;
esac
export LS_HEAP_SIZE
if [[ "$install_type" =~ ^(EVAL|MANAGERSEARCH|STANDALONE)$ ]]; then
NODE_LS_HEAP_SIZE=LS_HEAP_SIZE
export NODE_LS_HEAP_SIZE
fi
}
es_heapsize() {
# Determine ES Heap Size
if [ "$total_mem" -lt 8000 ] ; then
ES_HEAP_SIZE="600m"
elif [ "$total_mem" -ge 100000 ]; then
# Set a max of 25GB for heap size
# https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html
ES_HEAP_SIZE="25000m"
else
# Set heap size to 25% of available memory
ES_HEAP_SIZE=$(( total_mem / 4 ))"m"
fi
export ES_HEAP_SIZE
if [[ "$install_type" =~ ^(EVAL|MANAGERSEARCH|STANDALONE|IMPORT)$ ]]; then
NODE_ES_HEAP_SIZE=ES_HEAP_SIZE
export NODE_ES_HEAP_SIZE
fi
}
whiptail_prog_new_message() {
local message=$1
set_progress_str "$percentage" "$message"
}
# Enable Zeek Logs
zeek_logs_enabled() {
echo "Enabling Zeek Logs" >> "$setup_log" 2>&1
local zeeklogs_pillar=$local_salt_dir/pillar/zeeklogs.sls
printf '%s\n'\
"zeeklogs:"\
" enabled:" > "$zeeklogs_pillar"
if [ "$MANAGERADV" = 'ADVANCED' ]; then
for BLOG in "${BLOGS[@]}"; do
echo " - $BLOG" | tr -d '"' >> "$zeeklogs_pillar"
done
elif [ "$install_type" == "EVAL" ] || [ "$install_type" == "IMPORT" ]; then
printf '%s\n'\
" - conn"\
" - dce_rpc"\
" - dhcp"\
" - dhcpv6"\
" - dnp3"\
" - dns"\
" - dpd"\
" - files"\
" - ftp"\
" - http"\
" - intel"\
" - irc"\
" - kerberos"\
" - modbus"\
" - mqtt"\
" - notice"\
" - ntlm"\
" - openvpn"\
" - pe"\
" - radius"\
" - rfb"\
" - rdp"\
" - signatures"\
" - sip"\
" - smb_files"\
" - smb_mapping"\
" - smtp"\
" - snmp"\
" - software"\
" - ssh"\
" - ssl"\
" - syslog"\
" - telnet"\
" - tunnel"\
" - weird"\
" - mysql"\
" - socks"\
" - x509" >> "$zeeklogs_pillar"
# Disable syslog log by default
else
printf '%s\n'\
" - conn"\
" - dce_rpc"\
" - dhcp"\
" - dhcpv6"\
" - dnp3"\
" - dns"\
" - dpd"\
" - files"\
" - ftp"\
" - http"\
" - intel"\
" - irc"\
" - kerberos"\
" - modbus"\
" - mqtt"\
" - notice"\
" - ntlm"\
" - openvpn"\
" - pe"\
" - radius"\
" - rfb"\
" - rdp"\
" - signatures"\
" - sip"\
" - smb_files"\
" - smb_mapping"\
" - smtp"\
" - snmp"\
" - software"\
" - ssh"\
" - ssl"\
" - telnet"\
" - tunnel"\
" - weird"\
" - mysql"\
" - socks"\
" - x509" >> "$zeeklogs_pillar"
fi
}
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