#!/bin/bash

# Copyright 2014-2022 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.

### Begin Logging Section ###
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
}
### End Logging Section ###

airgap_repo() {
	# Remove all the repo files
	rm -rf /etc/yum.repos.d/*
	echo "[airgap_repo]" > /etc/yum.repos.d/airgap_repo.repo
	if $is_manager; then
	    echo "baseurl=https://$HOSTNAME/repo" >> /etc/yum.repos.d/airgap_repo.repo
	else
        echo "baseurl=https://$MSRV/repo" >> /etc/yum.repos.d/airgap_repo.repo
	fi
    echo "gpgcheck=1" >> /etc/yum.repos.d/airgap_repo.repo
    echo "sslverify=0" >> /etc/yum.repos.d/airgap_repo.repo
    echo "name=Airgap Repo" >> /etc/yum.repos.d/airgap_repo.repo
    echo "enabled=1" >> /etc/yum.repos.d/airgap_repo.repo
}

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/
}

accept_salt_key_remote() {
	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.show_top >> /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_mngr_ip_to_hosts() {
	echo "Adding $MSRV to /etc/hosts with IP: $MSRVIP" >> "$setup_log" 2>&1
	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 receiverstab; do
		printf '%s\n'\
		"$i:"\
		"" > "$addtotab_path"/$i.sls
		echo "Added $i Template"
	done

}

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
}

add_web_user() {
	wait_for_file /opt/so/conf/kratos/db/db.sqlite 30 5
	{
		echo "Attempting to add administrator user for web interface...";
		export SKIP_STATE_APPLY=true
		echo "$WEBPASSWD1" | /usr/sbin/so-user add "$WEBUSER" "superuser";
		unset SKIP_STATE_APPLY
		echo "Add user result: $?";
	} >> "/root/so-user-add.log" 2>&1
}

analyze_system() {
	title "System Characteristics"
	logCmd "uptime"
	logCmd "uname -a"
	logCmd "free -h"
	logCmd "lscpu"
	logCmd "df -h"
	logCmd "ip a"
}

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
}

check_admin_pass() {
	check_pass_match "$ADMINPASS1" "$ADMINPASS2" "APMATCH"
}

check_manager_state() {
	echo "Checking state of manager services. This may take a moment..."
	retry 2 15 "__check_so_status" >> $setup_log 2>&1 && retry 2 15 "__check_salt_master" >> $setup_log 2>&1 && return 0 || return 1
}

__check_so_status() {
	local so_status_output
	so_status_output=$($sshcmd -i /root/.ssh/so.key soremote@"$MSRV" cat /opt/so/log/sostatus/status.log)
	[[ -z $so_status_output ]] && so_status_output=1
	return $so_status_output
}

__check_salt_master() {
	$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" systemctl is-active --quiet salt-master
	return $?
}

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 [[ ! -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() {
	local timeout=$1
	echo "Checking if we can talk to the salt master" >> "$setup_log" 2>&1
	salt-call saltutil.kill_all_jobs > /dev/null 2>&1
	salt-call state.show_top -t $timeout > /dev/null 2>&1
	local status=$?
	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() {
	local timeout=$1
	echo "Checking if the salt minion will respond to jobs" >> "$setup_log" 2>&1
	salt "$MINION_ID" test.ping -t $timeout > /dev/null 2>&1
	local status=$?
	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_adminuser_inputs() {
	whiptail_create_admin_user

	while ! valid_username "$ADMINUSER"; do
		whiptail_invalid_input
		whiptail_create_admin_user "$ADMINUSER"
	done

	APMATCH=no
	while [[ $APMATCH != yes ]]; do
		whiptail_create_admin_user_password1
		whiptail_create_admin_user_password2
		check_admin_pass
	done
}

collect_dns() {
	whiptail_management_interface_dns "8.8.8.8,8.8.4.4"

	while ! valid_dns_list "$MDNS"; do
		whiptail_invalid_input
		whiptail_management_interface_dns "$MDNS"
	done

	MDNS=$(echo "$MDNS" | tr -s "," " ") # MDNS needs to be space separated, we prompt for comma separated for consistency
}

collect_dns_domain() {
	whiptail_management_interface_dns_search "searchdomain.local"

	while ! valid_fqdn "$MSEARCH"; do
		whiptail_invalid_input
		whiptail_management_interface_dns_search "$MSEARCH"
	done
}

collect_dockernet() {
	if ! whiptail_dockernet_check; then
		whiptail_dockernet_net "172.17.0.0"

		while ! valid_ip4 "$DOCKERNET"; do
			whiptail_invalid_input
			whiptail_dockernet_net "$DOCKERNET"
		done
	fi
}

collect_es_cluster_name() {
	if whiptail_manager_adv_escluster; then
		whiptail_manager_adv_escluster_name "securityonion"

		while ! valid_string "$ESCLUSTERNAME"; do
			whiptail_invalid_string "ES cluster name"
			whiptail_manager_adv_escluster_name "$ESCLUSTERNAME"
		done
	fi
}

collect_es_space_limit() {
	whiptail_log_size_limit "$log_size_limit"

	while ! valid_int "$log_size_limit"; do # Upper/lower bounds?
		whiptail_invalid_input
		whiptail_log_size_limit "$log_size_limit"
	done
}

collect_fleet_custom_hostname_inputs() {
	whiptail_fleet_custom_hostname

	while [[ -n $FLEETCUSTOMHOSTNAME ]] && ! valid_fqdn "$FLEETCUSTOMHOSTNAME"; do
		whiptail_invalid_input
		whiptail_fleet_custom_hostname "$FLEETCUSTOMHOSTNAME"
	done
}

# Get a username & password for the Fleet admin user
collect_fleetuser_inputs() {
	whiptail_create_fleet_node_user
	
	while ! so-user valemail "$FLEETNODEUSER" >> "$setup_log" 2>&1; do
		whiptail_invalid_user_warning
		whiptail_create_fleet_node_user "$FLEETNODEUSER"
	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_gateway() {
	whiptail_management_interface_gateway

	while ! valid_ip4 "$MGATEWAY"; do
		whiptail_invalid_input
		whiptail_management_interface_gateway "$MGATEWAY"
	done
}

collect_helix_key() {
	whiptail_helix_apikey
}

collect_homenet_mngr() {
	whiptail_homenet_manager "10.0.0.0/8,192.168.0.0/16,172.16.0.0/12"
	
	while ! valid_cidr_list "$HNMANAGER"; do
		whiptail_invalid_input
		whiptail_homenet_manager "$HNMANAGER"
	done
}

collect_homenet_snsr() {
	if whiptail_homenet_sensor_inherit; then
		export HNSENSOR=inherit
	else
		whiptail_homenet_sensor "10.0.0.0/8,192.168.0.0/16,172.16.0.0/12"
		
		while ! valid_cidr_list "$HNSENSOR"; do
			whiptail_invalid_input
			whiptail_homenet_sensor "$HNSENSOR"
		done
	fi
}

collect_hostname() {
	collect_hostname_validate

	while has_uppercase "$HOSTNAME"; do
		if ! (whiptail_uppercase_warning); then
			collect_hostname_validate
		else
			no_use_hostname=true
			break
		fi
	done
}

collect_hostname_validate() {
	if [[ $automated == no ]] && [[ "$HOSTNAME" == *'localhost'* ]]; then HOSTNAME=securityonion; fi

	whiptail_set_hostname "$HOSTNAME"

	if [[ -z $default_hostname_flag ]] && [[ $HOSTNAME == 'securityonion' ]]; then # Will only check HOSTNAME=securityonion once
		if ! (whiptail_avoid_default_hostname); then
			whiptail_set_hostname "$HOSTNAME"
		fi
		default_hostname_flag=true
	fi

	while ! valid_hostname "$HOSTNAME"; do
		whiptail_invalid_hostname
		whiptail_set_hostname "$HOSTNAME"
	done
}

collect_idh_services() {
	whiptail_idh_services

	case "$idh_services" in
		'Linux Webserver (NAS Skin)')
			idh_services=("HTTP" "FTP" "SSH")
		;;
		'MySQL Server')
			idh_services=("MYSQL" "SSH")
		;;
		'MSSQL Server')
			idh_services=("MSSQL" "VNC")
		;;
		'Custom')
			whiptail_idh_services_custom
		;;
	esac
}

collect_int_ip_mask() {
	whiptail_management_interface_ip_mask

	while ! valid_ip4_cidr_mask "$manager_ip_mask"; do
		whiptail_invalid_input
		whiptail_management_interface_ip_mask "$manager_ip_mask"
	done

	MIP=$(echo "$manager_ip_mask" | sed 's/\/.*//' )
	MMASK=$(echo "$manager_ip_mask" | sed 's/.*\///')
}

collect_mngr_hostname() {
	whiptail_management_server

	while ! valid_hostname "$MSRV"; do
		whiptail_invalid_hostname
		whiptail_management_server "$MSRV"
	done

	while [[ $MSRV == "$HOSTNAME" ]]; do 
		whiptail_invalid_hostname 0
		whiptail_management_server "$MSRV"
	done

	# Remove the manager from /etc/hosts incase a user entered the wrong IP when prompted 
	# and they are going through the installer again
	if [[ "$HOSTNAME" != "$MSRV" ]]; then
		echo "Removing $MSRV from /etc/hosts if present." >> "$setup_log" 2>&1
		sed -i "/$MSRV/d" /etc/hosts
	fi

	if ! getent hosts "$MSRV"; then
		whiptail_manager_ip

		while ! valid_ip4 "$MSRVIP" || [[ $MSRVIP == "$MAINIP" || $MSRVIP == "127.0.0.1" ]]; do
			whiptail_invalid_input
			whiptail_manager_ip "$MSRVIP"
		done
	else
		MSRVIP=$(getent hosts "$MSRV" | awk 'NR==1{print $1}')
	fi
}

collect_mtu() {
	whiptail_bond_nics_mtu "1500"

	while ! valid_int "$MTU" "68" "10000"; do
		whiptail_invalid_input
		whiptail_bond_nics_mtu "$MTU"
	done
}

collect_net_method() {
	whiptail_net_method

	if [[ "$network_traffic" == *"_MANAGER" ]]; then
		whiptail_manager_updates_warning
		MANAGERUPDATES=1
	fi

	if [[ "$network_traffic" == "PROXY"* ]]; then
		collect_proxy no_ask
	fi
}

collect_node_es_heap() {
	whiptail_node_es_heap "$ES_HEAP_SIZE"
}

collect_node_ls_heap() {
	whiptail_node_ls_heap "$LS_HEAP_SIZE"
}

collect_node_ls_input() {
	whiptail_node_ls_input_threads "1"

	while ! valid_int "$LSINPUTTHREADS"; do
		whiptail_invalid_input
		whiptail_node_ls_input_threads "$LSINPUTTHREADS"
	done
}

collect_node_ls_pipeline_batch_size() {
	whiptail_node_ls_pipline_batchsize "125"

	while ! valid_int "$LSPIPELINEBATCH"; do
		whiptail_invalid_input
		whiptail_node_ls_pipline_batchsize "$LSPIPELINEBATCH"
	done
}

collect_node_ls_pipeline_worker_count() {
	whiptail_node_ls_pipeline_worker "$num_cpu_cores"

	while ! valid_int "$LSPIPELINEWORKERS"; do
		whiptail_invalid_input
		whiptail_node_ls_pipeline_worker "$LSPIPELINEWORKERS"
	done
}

collect_ntp_servers() {
	if whiptail_ntp_ask; then
		[[ $is_airgap ]] && ntp_string=""
		whiptail_ntp_servers "$ntp_string"

		while ! valid_ntp_list "$ntp_string"; do
			whiptail_invalid_input
			whiptail_ntp_servers "$ntp_string"
		done

		IFS="," read -r -a ntp_servers <<< "$ntp_string" # Split string on commas into array
	else
		ntp_servers=()
	fi
}

collect_oinkcode() {
	whiptail_oinkcode

	while ! valid_string "$OINKCODE" "" "128"; do
		whiptail_invalid_input
		whiptail_oinkcode "$OINKCODE"
	done
}

collect_patch_schedule() {
	whiptail_patch_schedule

	case "$patch_schedule" in
		'New Schedule')
			whiptail_patch_schedule_select_days
			whiptail_patch_schedule_select_hours
			collect_patch_schedule_name_new
			patch_schedule_os_new
		;;
		'Import Schedule')
			collect_patch_schedule_name_import
		;;
		'Automatic')
			PATCHSCHEDULENAME='auto'
		;;
		'Manual')
			PATCHSCHEDULENAME='manual'
		;;
	esac
}

collect_patch_schedule_name_new() {
	whiptail_patch_name_new_schedule

	while ! valid_string "$PATCHSCHEDULENAME"; do
		whiptail_invalid_string "schedule name"
		whiptail_patch_name_new_schedule "$PATCHSCHEDULENAME"
	done
}

collect_patch_schedule_name_import() {
	whiptail_patch_schedule_import

	while ! valid_string "$PATCHSCHEDULENAME"; do
		whiptail_invalid_string "schedule name"
		whiptail_patch_schedule_import "$PATCHSCHEDULENAME"
	done
}

collect_proxy() {
	[[ -n $TESTING ]] && return
	local ask=${1:-true}

	collect_proxy_details "$ask" || return
	while ! proxy_validate; do
		if whiptail_invalid_proxy; then
			collect_proxy_details no_ask
		else
			so_proxy=""
			break
		fi
	done
}

collect_proxy_details() {
	local ask=${1:-true}
	local use_proxy
	if [[ $ask != true ]]; then
		use_proxy=0
	else
		whiptail_proxy_ask
		use_proxy=$?
	fi

	if [[ $use_proxy == 0 ]]; then
		whiptail_proxy_addr "$proxy_addr"

		while ! valid_proxy "$proxy_addr"; do
			whiptail_invalid_input
			whiptail_proxy_addr "$proxy_addr"
		done

		if whiptail_proxy_auth_ask; then
			whiptail_proxy_auth_user "$proxy_user"
			whiptail_proxy_auth_pass "$proxy_pass"

			local url_prefixes=( 'http://' 'https://' )
			for prefix in "${url_prefixes[@]}"; do
				if echo "$proxy_addr" | grep -q "$prefix"; then
					local proxy=${proxy_addr#"$prefix"}
					so_proxy="${prefix}${proxy_user}:${proxy_pass}@${proxy}"
					break
				fi
			done
		else
			so_proxy="$proxy_addr"
		fi
		export so_proxy
	else
		return 1
	fi
}

collect_redirect_host() {
	collect_redirect_host_validate

	while has_uppercase "$REDIRECTHOST"; do
		local text
		! valid_hostname "$REDIRECTHOST" && text="domain name" || text="hostname"
		if ! (whiptail_uppercase_warning "$text"); then
			collect_redirect_host_validate "$REDIRECTHOST"
		else
			break
		fi
	done
}

collect_redirect_host_validate() {
	local prefill=${1:-$HOSTNAME}

	whiptail_set_redirect_host "$prefill"

	while ! valid_ip4 "$REDIRECTHOST" && ! valid_hostname "$REDIRECTHOST" && ! valid_fqdn "$REDIRECTHOST"; do
		whiptail_invalid_input
		whiptail_set_redirect_host "$REDIRECTHOST"
	done
}

collect_so_allow() {
	if whiptail_so_allow_yesno; then
		whiptail_so_allow

		while ! valid_cidr "$ALLOW_CIDR" && ! valid_ip4 "$ALLOW_CIDR"; do
			whiptail_invalid_input
			whiptail_so_allow "$ALLOW_CIDR"
		done
	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_suri() {
	whiptail_basic_suri "$PROCS"

	while ! valid_int "$BASICSURI"; do
		whiptail_invalid_input
		whiptail_basic_suri "$BASICSURI"
	done
}

# Get an email & password for the web admin user
collect_webuser_inputs() {
	whiptail_create_web_user

	while ! so-user valemail "$WEBUSER" >> "$setup_log" 2>&1; do
		whiptail_invalid_user_warning
		whiptail_create_web_user "$WEBUSER"
	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
}

collect_zeek() {
	whiptail_basic_zeek "$PROCS"

	while ! valid_int "$BASICZEEK"; do
		whiptail_invalid_input
		whiptail_basic_zeek "$BASICZEEK"
	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 "$minion_type" in
		'helix')
			cp -f ../salt/ca/files/signing_policies.conf /etc/salt/minion.d/signing_policies.conf
			echo "master: '$HOSTNAME'" >> "$minion_config"
			;;
		'manager' | 'eval' | 'managersearch' | 'standalone' | 'import')
			cp -f ../salt/ca/files/signing_policies.conf /etc/salt/minion.d/signing_policies.conf
			printf '%s\n'\
				"master: '$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_level: info"\
		"log_level_logfile: info"\
		"log_file: /opt/so/log/salt/minion" >> "$minion_config"

	{
		systemctl restart salt-minion;
	} >> "$setup_log" 2>&1
}

configure_ntp() {
	local chrony_conf=/etc/chrony.conf

	# Install chrony if it isn't already installed
	if ! command -v chronyc &> /dev/null; then
		logCmd "yum -y install chrony"
	fi

	[[ -f $chrony_conf ]] && mv $chrony_conf "$chrony_conf.bak"

	printf '%s\n' "# NTP server list" > $chrony_conf

	# Build list of servers
	for addr in "${ntp_servers[@]}"; do
		echo "server $addr iburst" >> $chrony_conf
	done

	printf '\n%s\n' "# Config options" >> $chrony_conf

	printf '%s\n' \
		'driftfile /var/lib/chrony/drift' \
		'makestep 1.0 3' \
		'rtcsync' \
		'logdir /var/log/chrony' >> $chrony_conf

	systemctl enable chronyd
	systemctl restart chronyd

	# Tell the chrony daemon to sync time & update the system time
	# Since these commands only make a call to chronyd, wait after each command to make sure the changes are made
	printf "Syncing chrony time to server: "
	chronyc -a 'burst 4/4' && sleep 30
	printf "Forcing chrony to update the time: "
	chronyc -a makestep && sleep 30
}

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 $2}' | grep -vwe "bond0"  | sed 's/ //g' | sed -r 's/(.*)(\.[0-9]+)@\1/\1\2/g')"
	local num_nics=${#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
		if [[ "$node_type" == 'idh' ]]; then req_mem=1 req_cores=2; fi
	elif [[ "$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 [[ $free_space_root -lt $req_storage ]]; then
				whiptail_storage_requirements "/" "${free_space_root} GB" "${req_storage} GB"
			fi
			if [[ $free_space_nsm -lt $req_storage ]]; then
				whiptail_storage_requirements "/nsm" "${free_space_nsm} GB" "${req_storage} GB"
			fi
		else
			if [[ "$standalone_or_dist" == 'import' ]]; then
				req_storage=50
			else
				req_storage=200
			fi
			if [[ $free_space_root -lt $req_storage ]]; then
				whiptail_storage_requirements "/" "${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
}

check_sos_appliance() {
	# Lets see if this is a SOS Appliance
	if [ -f "/etc/SOSMODEL" ]; then
	  local MODEL=$(cat /etc/SOSMODEL)
	  echo "Found SOS Model $MODEL"
	  echo "sosmodel: $MODEL" >> /etc/salt/grains
	fi
}

compare_main_nic_ip() {
	if ! [[ $MNIC =~ ^(tun|wg|vpn).*$ ]]; then
	  if [[ "$MAINIP" != "$MNIC_IP" ]]; then
			error "[ERROR] Main gateway ($MAINIP) does not match ip address of management NIC ($MNIC_IP)."

		  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

		  [[ -n $TESTING ]] || whiptail --title "$whiptail_title" --msgbox "$message" 11 75
		  kill -SIGINT "$(ps --pid $$ -oppid=)"; exit 1
	  fi
	else
		# Setup uses MAINIP, but since we ignore the equality condition when using a VPN 
		# just set the variable to the IP of the VPN interface
		MAINIP=$MNIC_IP
	fi
	
}

compare_versions() {
	manager_ver=$($sshcmd -i /root/.ssh/so.key soremote@"$MSRV" cat /etc/soversion)

	if [[ $manager_ver == '' ]]; then
		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"
		exit 1
	fi

	[[ "$manager_ver" == "$SOVERSION" ]]
	return
}

configure_network_sensor() {
	echo "Setting up sensor interface" >> "$setup_log" 2>&1

	if [[ $is_cloud ]]; then 
		local nmcli_con_args=( "type" "ethernet" )
	else 
		local nmcli_con_args=( "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_args[@]}" -- \
			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

	local err=0
	for BNIC in "${BNICS[@]}"; do
		add_interface_bond0 "$BNIC" --verbose >> "$setup_log" 2>&1
		local ret=$?
		[[ $ret -eq 0 ]] || err=$ret
	done
	return $err
}

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() {

	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";
			} >> "$setup_log" 2>&1
			;;
	esac
	echo "Syncing all salt modules." >> "$setup_log" 2>&1
	salt-call saltutil.sync_modules >> "$setup_log" 2>&1
}

copy_ssh_key() {

	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
	salt-run fileserver.clear_file_list_cache
}

create_repo() {
	# Create the repo for airgap
	createrepo /nsm/repo
}

detect_cloud() {
  echo "Testing if setup is running on a cloud instance..." | tee -a "$setup_log"
  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) || [ -f /var/log/waagent.log ]; then export is_cloud="true"; fi
}

detect_os() {
	local log=${1:-${setup_log}}

	# Detect Base OS
	echo "Detecting Base OS" >> "$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

	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=focal" /etc/os-release; then
			OSVER=focal
		else
			echo "We do not support your current version of Ubuntu."
			exit 1
		fi

	else
		echo "We were unable to determine if you are using a supported OS."
		exit 1
	fi

	echo "Found OS: $OS $OSVER" >> "$log" 2>&1

}

installer_progress_loop() {
	local i=0
	local msg="${1:-Performing background actions...}"
	while true; do
		[[ $i -lt 98 ]] && ((i++))
		set_progress_str "$i" "$msg" nolog
		[[ $i -gt 0 ]] && sleep 5s
	done
}

installer_prereq_packages() {
	if [ "$OS" == centos ]; then
		if [[ ! $is_iso ]]; then
			if ! yum versionlock > /dev/null 2>&1; then
				logCmd "yum -y install yum-plugin-versionlock"
			fi
			if ! command -v nmcli > /dev/null 2>&1; then
				logCmd "yum -y install NetworkManager"
			fi
		fi
		logCmd "systemctl enable NetworkManager"
		logCmd "systemctl start NetworkManager"
	elif [ "$OS" == ubuntu ]; then
		# Print message to stdout so the user knows setup is doing something
		retry 50 10 "apt-get update" "" "Err:" >> "$setup_log" 2>&1 || exit 1
		# Install network manager so we can do interface stuff
		if ! command -v nmcli > /dev/null 2>&1; then
			retry 50 10 "apt-get -y install network-manager" >> "$setup_log" 2>&1 || exit 1
			{
				systemctl enable NetworkManager
				systemctl start NetworkManager
			} >> "$setup_log" 2<&1
		fi
		if ! command -v curl > /dev/null 2>&1; then
			retry 50 10 "apt-get -y install curl"  >> "$setup_log" 2>&1 || exit 1
		fi
	fi
}

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
	{
		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
		logCmd "yum clean expire-cache"
		if [[ ! $is_iso ]]; then
			logCmd "yum -y install docker-ce-20.10.5-3.el7 docker-ce-cli-20.10.5-3.el7 docker-ce-rootless-extras-20.10.5-3.el7 containerd.io-1.4.4-3.1.el7"
		fi
		logCmd "yum versionlock docker-ce-20.10.5-3.el7"
		logCmd "yum versionlock docker-ce-cli-20.10.5-3.el7"
		logCmd "yum versionlock docker-ce-rootless-extras-20.10.5-3.el7"
		logCmd "yum versionlock containerd.io-1.4.4-3.1.el7"
		
	else
		case "$install_type" in
			'MANAGER' | 'EVAL' | 'STANDALONE' | 'MANAGERSEARCH' | 'IMPORT')
				retry 50 10 "apt-get update" "" "Err:" >> "$setup_log" 2>&1 || exit 1
				;;
			*)
				retry 50 10 "apt-key add $temp_install_dir/gpg/docker.pub" >> "$setup_log" 2>&1 || exit 1
				add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" >> "$setup_log" 2>&1
				retry 50 10 "apt-get update" "" "Err:" >> "$setup_log" 2>&1 || exit 1
				;;
		esac
		if [ $OSVER == "bionic" ]; then
		        service docker stop
			apt -y purge docker-ce docker-ce-cli docker-ce-rootless-extras
			retry 50 10 "apt-get -y install --allow-downgrades docker-ce=5:20.10.5~3-0~ubuntu-bionic docker-ce-cli=5:20.10.5~3-0~ubuntu-bionic docker-ce-rootless-extras=5:20.10.5~3-0~ubuntu-bionic python3-docker" >> "$setup_log" 2>&1 || exit 1
	        apt-mark hold docker-ce docker-ce-cli docker-ce-rootless-extras
		elif [ $OSVER == "focal" ]; then
		        service docker stop
			apt -y purge docker-ce docker-ce-cli docker-ce-rootless-extras
			retry 50 10 "apt-get -y install --allow-downgrades docker-ce=5:20.10.8~3-0~ubuntu-focal docker-ce-cli=5:20.10.8~3-0~ubuntu-focal docker-ce-rootless-extras=5:20.10.8~3-0~ubuntu-focal python3-docker" >> "$setup_log" 2>&1 || exit 1
                        apt-mark hold docker-ce docker-ce-cli docker-ce-rootless-extras		
		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() {

	mkdir -p /root/manager_setup

	local manager_ver
	manager_ver=$($sshcmd -i /root/.ssh/so.key soremote@"$MSRV" cat /etc/soversion) >> "$setup_log" 2>&1
	$scpcmd -i /root/.ssh/so.key soremote@"$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 -rf $install_opt_file
		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"
		exit 1
	fi

	mkdir -p /root/manager_setup/securityonion
	{
		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
}

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"
}

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 33% of available memory
		ES_HEAP_SIZE=$(( total_mem / 3 ))
		if [ "$ES_HEAP_SIZE" -ge 25001 ] ; then
		    ES_HEAP_SIZE="25000m"
		else
		    ES_HEAP_SIZE=$ES_HEAP_SIZE"m"
		fi
	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
}

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' | sed -r 's/(.*)(\.[0-9]+)@\1/\1\2/g')
	readarray -t filtered_nics <<< "$filtered_nics"
	
	nic_list=()
	for nic in "${filtered_nics[@]}"; do
		local nic_mac=$(cat "/sys/class/net/${nic}/address" 2>/dev/null)
		case $(cat "/sys/class/net/${nic}/carrier" 2>/dev/null) in
			1)
				nic_list+=("$nic" "$nic_mac  Link UP " "OFF")
				;;
			0)
				nic_list+=("$nic" "$nic_mac  Link DOWN " "OFF")
				;;
			*)
				nic_list+=("$nic" "$nic_mac  Link UNKNOWN " "OFF")
				;;
		esac
	done

	export nic_list
}

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 endgame 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_ca() {
	{
		echo "Building Certificate Authority";
		salt-call state.apply ca;

		echo "Confirming existence of the CA certificate"
		openssl x509 -in /etc/pki/ca.crt -noout -subject -issuer -dates
	} >> "$setup_log" 2>&1
}

generate_ssl() {
	{
		# if the install type is a manager then we need to wait for the minion to be ready before trying
		# to run the ssl state since we need the minion to sign the certs
		if [[ "$install_type" =~ ^(EVAL|MANAGER|MANAGERSEARCH|STANDALONE|IMPORT|HELIXSENSOR)$ ]]; then
			wait_for_salt_minion
		fi
		echo "Applying SSL state";
		salt-call state.apply ssl;
	} >> "$setup_log" 2>&1
}

generate_passwords(){
  # Generate Random Passwords for Things
  MYSQLPASS=$(get_random_value)
  PLAYBOOKDBPASS=$(get_random_value)
  PLAYBOOKADMINPASS=$(get_random_value)
  PLAYBOOKAUTOMATIONPASS=$(get_random_value)
  FLEETPASS=$(get_random_value)
  FLEETSAPASS=$(get_random_value)
  FLEETJWT=$(get_random_value)
  GRAFANAPASS=$(get_random_value)
  SENSORONIKEY=$(get_random_value)
  KRATOSKEY=$(get_random_value)
}

generate_repo_tarball() {
	mkdir /opt/so/repo
	tar -czf /opt/so/repo/"$SOVERSION".tar.gz -C "$(pwd)/.." .
}

generate_sensor_vars() {
	# Set the MTU
	if [[ $NSMSETUP != 'ADVANCED' ]]; then
		if [[ $is_cloud ]]; then MTU=1575; else MTU=1500; fi
	fi
	export MTU

	# Set interface variable
	if [[ $is_cloud ]]; then 
		INTERFACE=${BNICS[0]}
	else 
		INTERFACE='bond0'
	fi
	export INTERFACE
}

get_redirect() {
	whiptail_set_redirect
	if [ "$REDIRECTINFO" = "OTHER" ]; then
		collect_redirect_host
	fi
}

get_minion_type() {
	local minion_type
	case "$install_type" in
		'EVAL' | 'MANAGERSEARCH' | 'MANAGER' | 'SENSOR' | 'HEAVYNODE' | 'FLEET' | 'IDH' | 'STANDALONE' | 'IMPORT' | 'RECEIVER')
			minion_type=$(echo "$install_type" | tr '[:upper:]' '[:lower:]')
			;;
		'HELIXSENSOR')
			minion_type='helix'
			;;
		*'NODE')
			minion_type='node'
			;;
	esac
	echo "$minion_type"
}

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

	if [[ -z $SO_ERROR ]]; then
		echo "Setup completed at $(date)" >> "$setup_log" 2>&1
	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
}

logstash_pillar() {

	local pillar_file=$temp_install_dir/pillar/minions/$MINION_ID.sls

	# Create the logstash pillar
	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"
}

# 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
}

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'"\
		"  proxy: '$so_proxy'"\
		"  no_proxy: '$no_proxy_string'"\
		"  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"\
		"  grafana: $GRAFANA"\
		"  osquery: $OSQUERY"\
		"  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"
	printf '%s\n'\
		"soc:"\
		"  es_index_patterns: '*:so-*,*:endgame-*'"\
		"" >> "$pillar_file"
	if [[ -n $ENDGAMEHOST ]]; then
		printf '%s\n'\
			"  endgamehost: '$ENDGAMEHOST'"\
			"" >> "$pillar_file"
	fi
}

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'"\
		"  dockernet: '$DOCKERNET'"\
		"  mdengine: '$ZEEKVERSION'"\
		"  ids: '$NIDS'"\
		"  url_base: '$REDIRECTIT'"\
		"  managerip: '$MAINIP'" > "$global_pillar"
	
	if [[ $HIGHLANDER == 'True' ]]; then
	    printf '%s\n'\
		"  highlander: True"\ >> "$global_pillar"
	fi
	if [[ $is_airgap ]]; then
		printf '%s\n'\
			"  airgap: True"\ >> "$global_pillar"
	else 
		printf '%s\n'\
			"  airgap: False"\ >> "$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: $WAZUH"\
		"  imagerepo: '$IMAGEREPO'"\
		"  pipeline: 'redis'"\
		"sensoroni:"\
		"  node_checkin_interval_ms: $NODE_CHECKIN_INTERVAL_MS"\
		"strelka:"\
		"  enabled: $STRELKA"\
		"  rules: 1" >> "$global_pillar"
		if [[ $is_airgap ]]; then
		    printf '%s\n'\
			    "  repos:"\
			    "    - 'https://$HOSTNAME/repo/rules/strelka'" >> "$global_pillar"
	    else 
		    printf '%s\n'\
		        "  repos:"\
			    "    - 'https://github.com/Neo23x0/signature-base'" >> "$global_pillar"
	    fi
	printf '%s\n'\
		"curator:"\
		"  hot_warm: False"\
		"elastic:"\
		"  features: False"\
		"elasticsearch:"\ >> "$global_pillar"
	if [ -n "$ESCLUSTERNAME" ]; then 
		printf '%s\n'\
			"  true_cluster: True"\
			"  config:"\
			"    cluster:"\
			"      name: '$ESCLUSTERNAME'" >> "$global_pillar"
	else
		printf '%s\n'\
			"  true_cluster: False" >> "$global_pillar"
	fi

	printf '%s\n'\
		"  replicas: 0"\
		"  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:"\
                "      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-endgame:"\
                "      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-firewall:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-flow:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-ids:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-import:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 73000"\
		"      delete: 73001"\
		"    so-osquery:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-ossec:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-strelka:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-syslog:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 30"\
		"      delete: 365"\
		"    so-zeek:"\
		"      index_template:"\
                "        template:"\
                "          settings:"\
                "            index:"\
                "              number_of_shards: 1"\
		"      warm: 7"\
		"      close: 45"\
		"      delete: 365"\
		"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
}

mark_version() {
	# Drop a file with the current version
	echo "$SOVERSION" > /etc/soversion
}

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_management_nic
			whiptail_dhcp_or_static

			if [ "$address_type" != 'DHCP' ]; then
				collect_int_ip_mask
				collect_gateway
				collect_dns
				collect_dns_domain
			fi
			;;
		'network')
			whiptail_network_notice
			whiptail_dhcp_warn
			whiptail_management_nic
			;;
	esac
}

network_setup() {
	{
		echo "Finishing up network setup";

		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/${INTERFACE}/g" /etc/NetworkManager/dispatcher.d/pre-up.d/99-so-checksum-offload-disable;
	} >> "$setup_log" 2>&1
}

ntp_pillar() {
	local pillar_file="$temp_install_dir"/pillar/minions/"$MINION_ID".sls

	if [[ ${#ntp_servers[@]} -gt 0 ]]; then
		printf '%s\n'\
			"ntp:"\
			"  servers:" >> "$pillar_file"
			for addr in "${ntp_servers[@]}"; do
				printf '%s\n' "    - '$addr'" >> "$pillar_file"
			done
	fi
}

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

	if [[ $MANAGERUPDATES == 1 ]]; then
		local source="manager"
	else
		local source="direct"
	fi

	printf '%s\n'\
		"patch:"\
		"  os:"\
		"    source: '$source'"\
		"    schedule_name: '$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"
}

proxy_validate() {
	echo "Testing proxy..."
	local test_url="https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS"
	proxy_test_err=$(curl -sS "$test_url" --proxy "$so_proxy" --connect-timeout 5 2>&1) # set short connection timeout so user doesn't sit waiting for proxy test to timeout
	local ret=$?

	if [[ $ret != 0 ]]; then
		error "Could not reach $test_url using proxy provided"
		error "Received error: $proxy_test_err"
		if [[ -n $TESTING ]]; then
			error "Exiting setup"
			kill -SIGINT "$(ps --pid $$ -oppid=)"; exit 1
		fi
	fi
	return $ret
}

reserve_group_ids() {
	# This is a hack to fix CentOS from taking group IDs that we need
	logCmd "groupadd -g 928 kratos"
	logCmd "groupadd -g 930 elasticsearch"
	logCmd "groupadd -g 931 logstash"
	logCmd "groupadd -g 932 kibana"
	logCmd "groupadd -g 933 elastalert"
	logCmd "groupadd -g 934 curator"
	logCmd "groupadd -g 937 zeek"
	logCmd "groupadd -g 940 suricata"
	logCmd "groupadd -g 941 stenographer"
	logCmd "groupadd -g 945 ossec"
	logCmd "groupadd -g 946 cyberchef"
}

reserve_ports() {
	# These are also set via salt but need to be set pre-install to avoid conflicts before salt runs
	if ! sysctl net.ipv4.ip_local_reserved_ports | grep 55000 | grep 57314; then
		echo "Reserving ephemeral ports used by Security Onion components to avoid collisions"
		sysctl -w net.ipv4.ip_local_reserved_ports="55000,57314"
	else
		echo "Ephemeral ports already reserved"
	fi
}

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

	{
		# remove all of root's cronjobs
		logCmd "crontab -r -u root"

		if command -v salt-call &> /dev/null && grep -q "master:" /etc/salt/minion 2> /dev/null; then
			# Disable schedule so highstate doesn't start running during the install
			salt-call -l info schedule.disable --local

			# Kill any currently running salt jobs, also to prevent issues with highstate.
			salt-call -l info saltutil.kill_all_jobs --local
		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
					exit 1
				fi
				
				sleep 5
				((count++))
			done
		done

		logCmd "salt-call state.apply ca.remove -linfo --local --file-root=../salt"
		logCmd "salt-call state.apply ssl.remove -linfo --local --file-root=../salt"

		# Remove all salt configs
		rm -rf /etc/salt/engines/* /etc/salt/grains /etc/salt/master /etc/salt/master.d/* /etc/salt/minion /etc/salt/minion.d/* /etc/salt/pki/* /etc/salt/proxy /etc/salt/proxy.d/* /var/cache/salt/

		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 "$date_string"
		# We need to restore these files during a reinstall so python3-influxdb state doesn't try to patch again
		restore_file "/opt/so_old_$date_string/state/influxdb_continuous_query.py.patched" "/opt/so/state/"
		restore_file "/opt/so_old_$date_string/state/influxdb_retention_policy.py.patched" "/opt/so/state/"
		restore_file "/opt/so_old_$date_string/state/influxdbmod.py.patched" "/opt/so/state/"
		# If the elastic license has been accepted restore the state file
		restore_file "/opt/so_old_$date_string/state/yeselastic.txt" "/opt/so/state/"

		# 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

		if [[ $OS == 'ubuntu' ]]; then
			info "Unholding previously held packages."
			apt-mark unhold $(apt-mark showhold)
		fi

	} >> "$setup_log" 2>&1

	info "System reinstall init has been completed."
}

reset_proxy() {
	[[ -f /etc/profile.d/so-proxy.sh ]] && rm -f /etc/profile.d/so-proxy.sh
	
	[[ -f /etc/systemd/system/docker.service.d/http-proxy.conf ]] && rm -f /etc/systemd/system/docker.service.d/http-proxy.conf
	systemctl daemon-reload
	command -v docker &> /dev/null && echo "Restarting Docker..." | tee -a "$setup_log" && systemctl restart docker
	
	[[ -f /root/.docker/config.json ]] && rm -f /root/.docker/config.json

	[[ -f /etc/gitconfig ]] && rm -f /etc/gitconfig
	
	if [[ $OS == 'centos' ]]; then
		sed -i "/proxy=/d" /etc/yum.conf
	else
		[[ -f /etc/apt/apt.conf.d/00-proxy.conf ]] && rm -f /etc/apt/apt.conf.d/00-proxy.conf
	fi
}

restore_file() {
	src=$1
	dst=$2
	if [ -f "$src" ]; then
		[ ! -d "$dst" ] && mkdir -v -p "$dst"
		echo "Restoring $src to $dst." >> "$setup_log" 2>&1
		cp -v "$src" "$dst" >> "$setup_log" 2>&1
	fi
}

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
			logCmd "yum remove -y $package_name"
		fi
	else
		if dpkg -l | grep -q "$package_name"; then
			retry 50 10 "apt purge -y \"$package_name\""
		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() {

	# Install updates and Salt
	if [ $OS = 'centos' ]; then
		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
				if [[ ! $is_iso ]]; then
				  logCmd "yum -y install sqlite curl mariadb-devel"
				fi 
				# Download Ubuntu Keys in case manager updates = 1
				logCmd "mkdir -vp /opt/so/gpg"
				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/3004/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"
				fi
				set_progress_str 7 'Installing salt-master'
				if [[ ! $is_iso ]]; then
				  logCmd "yum -y install salt-master-3004"
				fi
				logCmd "systemctl enable salt-master"
				;;
			*)
				;;
		esac
		if [[ ! $is_airgap ]]; then
		  logCmd "yum clean expire-cache"
		fi
		set_progress_str 8 'Installing salt-minion & python modules'
			if [[ ! $is_iso ]]; then
				logCmd "yum -y install salt-minion-3004 httpd-tools python3 python36-docker python36-dateutil python36-m2crypto python36-mysql python36-packaging python36-lxml yum-utils device-mapper-persistent-data lvm2 openssl jq"
				logCmd "yum -y update --exclude=salt*"
			fi
		logCmd "systemctl enable salt-minion"
		logCmd "yum versionlock salt*"
	else
		DEBIAN_FRONTEND=noninteractive retry 50 10 "apt-get -y -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" upgrade" >> "$setup_log" 2>&1 || exit 1

		if [ $OSVER == "bionic" ]; then
			# Switch to Python 3 as default for bionic
			update-alternatives --install /usr/bin/python python /usr/bin/python3.6 10 >> "$setup_log" 2>&1
		elif [ $OSVER == "focal" ]; then
			# Switch to Python 3 as default for focal
			update-alternatives --install /usr/bin/python python /usr/bin/python3.8 10 >> "$setup_log" 2>&1
		fi
		
		local pkg_arr=(
			'apache2-utils'
			'ca-certificates'
			'curl'
			'software-properties-common'
			'apt-transport-https'
			'openssl'
			'netcat'
			'jq'
		)
		retry 50 10 "apt-get -y install ${pkg_arr[*]}" >> "$setup_log" 2>&1 || exit 1

		# Grab the version from the os-release file
		local ubuntu_version
		ubuntu_version=$(grep VERSION_ID /etc/os-release | awk -F '[ "]' '{print $2}')

		case "$install_type" in
			'FLEET')
				retry 50 10 "apt-get -y install python3-mysqldb" >> "$setup_log" 2>&1 || exit 1
				;;
			'MANAGER' | 'EVAL' | 'MANAGERSEARCH' | 'STANDALONE' | 'IMPORT' | 'HELIXSENSOR')

				# Add saltstack repo(s)
				wget -q --inet4-only -O - https://repo.saltstack.com/py3/ubuntu/"$ubuntu_version"/amd64/archive/3004/SALTSTACK-GPG-KEY.pub | apt-key add - >> "$setup_log" 2>&1
				echo "deb http://repo.saltstack.com/py3/ubuntu/$ubuntu_version/amd64/archive/3004 $OSVER main" > /etc/apt/sources.list.d/saltstack.list 2>> "$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 >> "$setup_log" 2>&1
				wget -q --inet4-only -O /opt/so/gpg/SALTSTACK-GPG-KEY.pub https://repo.saltstack.com/py3/ubuntu/"$ubuntu_version"/amd64/archive/3004/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"
				
				retry 50 10 "apt-get update" "" "Err:" >> "$setup_log" 2>&1 || exit 1
				set_progress_str 6 'Installing various dependencies'
				retry 50 10 "apt-get -y install sqlite3 libssl-dev" >> "$setup_log" 2>&1 || exit 1
				set_progress_str 7 'Installing salt-master'
				retry 50 10 "apt-get -y install salt-master=3004+ds-1" >> "$setup_log" 2>&1 || exit 1
				retry 50 10 "apt-mark hold salt-master" >> "$setup_log" 2>&1 || exit 1
				;;
			*)
				# 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 >> "$setup_log" 2>&1
				echo "deb http://repo.saltstack.com/py3/ubuntu/$ubuntu_version/amd64/archive/3004/ $OSVER main" > /etc/apt/sources.list.d/saltstack.list 2>> "$setup_log"
				echo "deb https://packages.wazuh.com/3.x/apt/ stable main" > /etc/apt/sources.list.d/wazuh.list 2>> "$setup_log"
				;;
		esac

		retry 50 10 "apt-get update" "" "Err:" >> "$setup_log" 2>&1 || exit 1
		set_progress_str 8 'Installing salt-minion & python modules'
		retry 50 10 "apt-get -y install salt-minion=3004+ds-1 salt-common=3004+ds-1" >> "$setup_log" 2>&1 || exit 1
		retry 50 10 "apt-mark hold salt-minion salt-common" >> "$setup_log" 2>&1 || exit 1
		retry 50 10 "apt-get -y install python3-pip python3-dateutil python3-m2crypto python3-mysqldb python3-packaging python3-influxdb python3-lxml" >> "$setup_log" 2>&1 || exit 1
	fi
}

# 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
}

# 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_sa_email: service.account@securityonion.invalid"\
		"  fleet_sa_password: $FLEETSAPASS"\
		"  fleet_jwt: $FLEETJWT"\
		"  fleet_enroll-secret: False" > $local_salt_dir/pillar/secrets.sls
  fi
}

securityonion_repo() {
	# Remove all the current repos
	if [[ "$OS" == "centos" ]]; then
		if [[ "$INTERWEBS" == "AIRGAP" ]]; then
			echo "This is airgap I don't need to add this repo"
		else
			if [[ ! $is_manager && "$MANAGERUPDATES" == "1" ]]; then
				local repo_conf_file="../salt/repo/client/files/centos/securityonioncache.repo"
			else
				local repo_conf_file="../salt/repo/client/files/centos/securityonion.repo"
			fi
			# need to yum clean all before repo conf files are removed or clean,cleans nothing
			logCmd "yum -v clean all"
			logCmd "mkdir -vp /root/oldrepos"
			logCmd "mv -v /etc/yum.repos.d/* /root/oldrepos/"
			logCmd "ls -la /etc/yum.repos.d/"
			logCmd "cp -f $repo_conf_file /etc/yum.repos.d/"
			logCmd "yum repolist all"
			# update this package because the repo config files get added back
			# if the package is updated when the update_packages function is called
			logCmd "yum -v -y update centos-release"
			echo "Move the .repo files that were added by the centos-release package."
			find /etc/yum.repos.d/ -type f -not -name 'securityonion*repo' -print0 | xargs -0 -I {} mv -bvf {} /root/oldrepos/
			logCmd "yum repolist all"
		fi
	else
		echo "This is Ubuntu"
	fi
}

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)
}

# Add /usr/sbin to everyone's path
set_path() {
	echo "complete -cf sudo" >> /etc/profile.d/securityonion.sh
}

set_proxy() {

	# Don't proxy localhost, local ip, and management ip
	no_proxy_string="localhost, 127.0.0.1, ${MAINIP}, ${HOSTNAME}"
	if [[ -n $MSRV ]] && [[ -n $MSRVIP ]];then
		no_proxy_string="${no_proxy_string}, ${MSRVIP}, ${MSRV}"
	fi

	# Set proxy environment variables used by curl, wget, docker, and others
	{
		echo "export use_proxy=on"
		echo "export http_proxy=\"${so_proxy}\""
		echo "export https_proxy=\"\$http_proxy\""
		echo "export ftp_proxy=\"\$http_proxy\""
		echo "export no_proxy=\"${no_proxy_string}\""
	} > /etc/profile.d/so-proxy.sh

	source /etc/profile.d/so-proxy.sh

	[[ -d '/etc/systemd/system/docker.service.d' ]] || mkdir -p /etc/systemd/system/docker.service.d

	# Create proxy config for dockerd 
	printf '%s\n'\
		"[Service]"\
		"Environment=\"HTTP_PROXY=${so_proxy}\""\
		"Environment=\"HTTPS_PROXY=${so_proxy}\""\
		"Environment=\"NO_PROXY=${no_proxy_string}\"" > /etc/systemd/system/docker.service.d/http-proxy.conf

	systemctl daemon-reload
	command -v docker &> /dev/null && systemctl restart docker

	# Create config.json for docker containers
	[[ -d /root/.docker ]] || mkdir /root/.docker
	printf '%s\n'\
		"{"\
		"  \"proxies\":"\
		"  {"\
		"    \"default\":"\
		"    {"\
		"      \"httpProxy\":\"${so_proxy}\","\
		"      \"httpsProxy\":\"${so_proxy}\","\
		"      \"ftpProxy\":\"${so_proxy}\","\
		"      \"noProxy\":\"${no_proxy_string}\""\
		"    }"\
		"  }"\
		"}" > /root/.docker/config.json

	# Set proxy for package manager
	if [ "$OS" = 'centos' ]; then
		echo "proxy=$so_proxy" >> /etc/yum.conf
	else
		# Set it up so the updates roll through the manager
		printf '%s\n'\
			"Acquire::http::Proxy \"$so_proxy\";"\
			"Acquire::https::Proxy \"$so_proxy\";" > /etc/apt/apt.conf.d/00-proxy.conf
	fi

	# Set global git proxy
	printf '%s\n'\
		"[http]"\
		"  proxy = ${so_proxy}" > /etc/gitconfig
}

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
	local nolog=$2

	if (( "$percentage_input" >= "$percentage" )); then
		percentage="$percentage_input"
	fi

	percentage_str="XXX\n${percentage}\n${progress_bar_text}\nXXX"

	echo -e "$percentage_str"

	if [[ -z $nolog ]]; then
		info "Progressing ($percentage%): $progress_bar_text"

		# printf '%s\n' \
		# 	'----'\
		# 	"$percentage% - ${progress_bar_text^^}"\
		# 	"----" >> "$setup_log" 2>&1
	fi
}

set_ssh_cmds() {
	local automated=$1

	if [ $automated == yes ]; then
		sshcmd="sshpass -p $SOREMOTEPASS1 ssh -o StrictHostKeyChecking=no"
		sshcopyidcmd="sshpass -p $SOREMOTEPASS1 ssh-copy-id -o StrictHostKeyChecking=no"
		scpcmd="sshpass -p $SOREMOTEPASS1 scp -o StrictHostKeyChecking=no"
	else
		sshcmd='ssh'
		sshcopyidcmd='ssh-copy-id'
		scpcmd='scp'
	fi
}

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 $install_type in
		STANDALONE | EVAL | HEAVYNODE)
			percentage=50
		;;
		*)
			percentage=80
		;;
	esac

	local disk_dir="/"
	if [ -d /nsm ]; then
		disk_dir="/nsm"
	fi
	if [ -d /nsm/elasticsearch ]; then
		disk_dir="/nsm/elasticsearch"
	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() {

  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' | 'IDH' | 'RECEIVER')
			$sshcmd -i /root/.ssh/so.key soremote@"$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"
					;;
				'IDH')
				    $sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost beats_endpoint_ssl "$MAINIP"
					;;
				'RECEIVER')
					$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/salt/common/tools/sbin/so-firewall --apply includehost receiver "$MAINIP"
					$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" sudo $default_salt_dir/pillar/data/addtotab.sh receiverstab "$MINION_ID" "$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 [[ ! $is_airgap ]] && ! ( grep -q "$MSRV" /etc/yum.conf); then
				if grep -q "proxy=" /etc/yum.conf; then
					sed -i "s/proxy=.*/proxy=http:\/\/$MSRV:3142/" /etc/yum.conf
				else
					echo "proxy=http://$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
}

# $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
}

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"

}

update_sudoers_for_testing() {
	if [ -n "$TESTING" ]; then
		info "Ensuring $INSTALLUSERNAME has password-less sudo access for automated testing purposes."
		sed -i "s/^$INSTALLUSERNAME   ALL=(ALL)       ALL/$INSTALLUSERNAME   ALL=(ALL) NOPASSWD: ALL/" /etc/sudoers
	fi
}

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 [ "$OS" = 'centos' ]; then
	    logCmd "yum repolist"
        logCmd "yum -y update --exclude=salt*,wazuh*,docker*,containerd*"
	else
		retry 50 10 "apt-get -y update" >> "$setup_log" 2>&1 || exit 1
		retry 50 10 "apt-get -y upgrade" >> "$setup_log" 2>&1 || exit 1
	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
}

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
}

wait_for_salt_minion() {
	retry 60 5 "journalctl -u salt-minion.service | grep 'Minion is ready to receive requests'" >> "$setup_log" 2>&1 || exit 1
}

write_out_idh_services() {
	local pillar_file="$temp_install_dir"/pillar/minions/"$MINION_ID".sls

	printf '%s\n'\
	"idh:"\
	"  services:" >> "$pillar_file"
	for service in ${idh_services[@]}; do
	  echo "    - $service" | tr '[:upper:]' '[:lower:]' >> "$pillar_file"
    done
}

# 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"\
			"    - dnp3"\
			"    - dns"\
			"    - dpd"\
			"    - files"\
			"    - ftp"\
			"    - http"\
			"    - intel"\
			"    - irc"\
			"    - kerberos"\
			"    - modbus"\
			"    - notice"\
			"    - ntlm"\
			"    - pe"\
			"    - radius"\
			"    - rfb"\
			"    - rdp"\
			"    - sip"\
			"    - smb_files"\
			"    - smb_mapping"\
			"    - smtp"\
			"    - snmp"\
			"    - ssh"\
			"    - ssl"\
			"    - syslog"\
			"    - tunnel"\
			"    - weird"\
			"    - mysql"\
			"    - socks"\
			"    - x509" >> "$zeeklogs_pillar"
	# Disable syslog log by default
	else
		printf '%s\n'\
			"    - conn"\
			"    - dce_rpc"\
			"    - dhcp"\
			"    - dnp3"\
			"    - dns"\
			"    - dpd"\
			"    - files"\
			"    - ftp"\
			"    - http"\
			"    - intel"\
			"    - irc"\
			"    - kerberos"\
			"    - modbus"\
			"    - notice"\
			"    - ntlm"\
			"    - pe"\
			"    - radius"\
			"    - rfb"\
			"    - rdp"\
			"    - sip"\
			"    - smb_files"\
			"    - smb_mapping"\
			"    - smtp"\
			"    - snmp"\
			"    - ssh"\
			"    - ssl"\
			"    - tunnel"\
			"    - weird"\
			"    - mysql"\
			"    - socks"\
			"    - x509" >> "$zeeklogs_pillar"
	fi
}