bash-lib-firewall

#!/bin/bash
#
# Bash system library
#
# Depends on bash-lib-system 
#
# Currently supports:
#     Ubuntu
#     CentOS (Redhat)
#

source lib/bash-lib-logging
source lib/bash-lib-system 

__initFirewallLibrary()
{
	(( ${__FIREWALL_LIB_INITIALIZED__} )) && return
	readonly __FIREWALL_LIB_INITIALIZED__=1

	local _FIREWALL_SVC=""
	case "$(getDistroType)" in 
		ubuntu)
			_FIREWALL_SVC="ufw"
			;;
		centos|redhat)
			_FIREWALL_SVC="firewalld"
			;;
	esac 
	readonly FIREWALL_SVC="${_FIREWALL_SVC}"
}

isFirewallEnabled()
{
	if (( $(systemctl is-enabled -q "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

isFirewallActive()
{
	if (( $(systemctl is-active -q "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

enableFirewall()
{
	if (( $(systemctl enable -q "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

disableFirewall()
{
	if (( $(systemctl disable -q "${FIREWALL_SVC}" && systemctl mask -q --now "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

startFirewall()
{
	if (( $(systemctl start -q "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

stopFirewall()
{
	if (( $(systemctl stop -q "${FIREWALL_SVC}") )); then
		echo 0
	else
		echo 1
	fi
}

__initFirewallLibrary

#::END::