support subnetClass from setupVARs.conf

auto_install/install.sh

@@ -24,7 +24,6 @@ piholeSetupVars="/etc/pihole/setupVars.conf"
 dnsmasqConfig="/etc/dnsmasq.d/02-pivpn.conf"
 
 dhcpcdFile="/etc/dhcpcd.conf"
-subnetClass="24"
 debianOvpnUserGroup="openvpn:openvpn"
 
 ######## PKG Vars ########
@@ -1056,6 +1055,11 @@ installPiVPN(){
 	$SUDO mkdir -p /etc/pivpn/
 	askWhichVPN
 
+	# Allow custom subnetClass via unattend setupVARs file. Use default if not provided.
+	if [ -z "$subnetClass" ]; then
+		subnetClass="24"
+	fi
+
 	if [ "$VPN" = "openvpn" ]; then
 
 		pivpnDEV="tun0"

examples/unattended_openvpn_example.conf

@@ -4,6 +4,7 @@ IPv4gw=192.168.23.1
 dhcpReserv=0
 install_user=pi
 VPN=openvpn
+subnetClass=24
 pivpnPROTO=udp
 pivpnPORT=1194
 pivpnDNS1=9.9.9.9

examples/unattended_wireguard_example.conf

@@ -1,6 +1,7 @@
 IPv4dev=eth0
 install_user=pi
 VPN=wireguard
+subnetClass=24
 pivpnPORT=51820
 pivpnDNS1=9.9.9.9
 pivpnDNS2=149.112.112.112