bin/srfirewall

@@ -23,8 +23,8 @@ FW_VERSION="2.0"
 
 # Important directory locations
 FWPREFIX="/usr/local"
-FWCONFIGDIR="${FWPREFIX}/etc/firewall-sosdg"
-FWLIBDIR="${FWPREFIX}/lib/firewall-sosdg"
+FWCONFIGDIR="${FWPREFIX}/etc/srfirewall"
+FWLIBDIR="${FWPREFIX}/lib/srfirewall"
 FWBINDIR="${FWPREFIX}/bin"
 
 # Begin sourcing critical files, because we need things like path right away
@@ -33,6 +33,10 @@ source "${FWLIBDIR}/binaries.inc"
 source "${FWLIBDIR}/iptables.inc"
 source "${FWLIBDIR}/display.inc"
 
+source "${FWCONFIGDIR}/chains.conf"
+source "${FWCONFIGDIR}/ipv4.conf"
+source "${FWCONFIGDIR}/ipv6.conf"
+
 # We require at least bash v3 or later at this point given some of the more complex
 # operations we do to make the firewall script work.
 if (( ${BASH_VERSINFO[0]} <= "2" )); then
@@ -40,4 +44,28 @@ if (( ${BASH_VERSINFO[0]} <= "2" )); then
 	echo "of bash to something more recent, preferably the latest which is, as of this"
 	echo "writing, 4.x"
 	exit 1
+fi
+
+# Swap out display_c command for dummy command if they don't want
+# output when command is run.
+if [[ "${DisplayDetailedOutput" == "yes" ]]; then
+	display="display_c"
+else
+	display="true"
+fi
+
+if [[ "${EnableIPv4}" == "yes" ]]; then
+	# First flush all rules
+	iptables_rules_flush ipv4
+	
+	# Create the chain sets we'll need and the ones that can be
+	# customized by users in their custom rules
+
+	
+
+fi
+
+if [[ "${EnableIPv6}" == "yes" ]]; then
+	# First flush all rules
+	iptables_rules_flush ipv6
 fi

etc/chains.conf

@@ -0,0 +1,42 @@
+# Chain name mapping
+# Don't change these unless you know what your doing
+
+InCustomPreRules="In-CustomPreRules"
+
+InPreRules="In-PreRules"
+
+OutCustomPreRules="Out-CustomPreRules"
+
+OutPreRules="Out-PreRules"
+
+Trusted="In-Trusted"
+
+InEasyBlock="In-EasyBlock"
+
+OutEasyBlock="Out-EasyBlock"
+
+InCustomFilter="In-CustomFilter"
+
+OutCustomFilter="Out-CustomFilter"
+
+FwdCustomFilter="Fwd-CustomFilter"
+
+InFilter="In-Filter"
+
+OutFilter="Out-Filter"
+
+CustomNAT="CustomNAT"
+
+NAT="NAT"
+
+CustomPortForward="Custom-PortFW"
+
+PortForward="PortForward"
+
+InCustomPostRules="In-CustomPostRules"
+
+InPostRules="In-PostRules"
+
+OutCustomOstRules="Out-CustomPostRules"
+
+OutPostRules="Out-PostRules"

etc/main.conf

@@ -7,3 +7,5 @@ PREFIX="/bin:/sbin:/usr/bin:/usr/sbin:${PREFIX}"
 EnableIPv4=yes
 EnableIPv6=yes
 
+# Display detailed output while running script?
+EnableDetailedOutput=yes

lib/iptables.inc

@@ -28,7 +28,7 @@ function iptables_rules_flush {
 		ipv6) VER_IPTABLES=${IP6TABLES} ; TABLE_NAMES=/proc/net/ip6_tables_names ;;
 		ipv4|*) VER_IPTABLES=${IPTABLES} ; TABLE_NAMES=/proc/net/ip_tables_names ;;
 	esac
-	display_c RED "Flushing ${IP_VERSION} rules..."
+	${display_c} RED "Flushing ${IP_VERSION} rules..."
 	${VER_IPTABLES} --flush &>/dev/null
 	${VER_IPTABLES} -F OUTPUT &>/dev/null
 	${VER_IPTABLES} -F PREROUTING &>/dev/null
@@ -49,8 +49,40 @@ function iptables_policy_reset {
 		ipv6) VER_IPTABLES=${IP6TABLES} ;;
 		ipv4|*) VER_IPTABLES=${IPTABLES} ;;
 	esac
-	display_c RED "Setting ${IP_VERSION} policies to ${SET_POLICY}..."
+	${display_c} RED "Setting ${IP_VERSION} policies to ${SET_POLICY}..."
 	${VER_IPTABLES} --policy INPUT ${SET_POLICY}
 	${VER_IPTABLES} --policy OUTPUT ${SET_POLICY}
 	${VER_IPTABLES} --policy FORWARD ${SET_POLICY}
+}
+
+# setup_iptables_chains (ipv4|ipv6)
+# Creates the default chains when called
+function setup_uptables_chains {
+	IP_VERSION=$1
+	case $IP_VERSION in
+		ipv6) VER_IPTABLES=${IP6TABLES} ;;
+		ipv4|*) VER_IPTABLES=${IPTABLES} ;;
+	esac
+	${display_c} GREEN "Setting up default chains for ${IP_VERSION}..."
+	${VER_IPTABLES} -N ${InCustomPreRules}
+	${VER_IPTABLES} -N ${InPreRules}
+	${VER_IPTABLES} -N ${OutCustomPreRules}
+	${VER_IPTABLES} -N ${OutPreRules}
+	${VER_IPTABLES} -N ${Trusted}
+	${VER_IPTABLES} -N ${InEasyBlock}
+	${VER_IPTABLES} -N ${OutEasyBlock}
+	${VER_IPTABLES} -N ${InCustomFilter}
+	${VER_IPTABLES} -N ${InFilter}
+	${VER_IPTABLES} -N ${OutCustomFilter}
+	${VER_IPTABLES} -N ${OutFilter}
+	${VER_IPTABLES} -N ${FwdCustomFilter}
+	${VER_IPTABLES} -N ${FwdFilter}
+	${VER_IPTABLES} -N ${CustomNAT}
+	${VER_IPTABLES} -N ${NAT}
+	${VER_IPTABLES} -N ${CustomPortForward}
+	${VER_IPTABLES} -N ${PortForward}
+	${VER_IPTABLES} -N ${InCustomPostRules}
+	${VER_IPTABLES} -N ${InPostRules}
+	${VER_IPTABLES} -N ${OutCustomPostRules}
+	${VER_IPTABLES} -N ${InPostRules}
 }