openfortivpn: remove explicit handling of peerdns and defaultroute

netifd is clever enough to handle the peerdns and default route
arguments, so we can just let them get passed along, and when
ppp-up invokes proto_send_update, netifd will only apply what
is needed

Signed-off-by: Aaron Goodman <aaronjg@stanford.edu>

net/openfortivpn/files/openfortivpn.sh

@@ -20,7 +20,6 @@ proto_openfortivpn_init_config() {
         proto_config_add_string "password"
         proto_config_add_string "trusted_cert"
         proto_config_add_string "remote_status_check"
-	proto_config_add_defaults
         no_device=1
         available=1
 }
@@ -28,12 +27,12 @@ proto_openfortivpn_init_config() {
 proto_openfortivpn_setup() {
 	local config="$1"
 
-	local msg ifname ip server_ip pwfile callfile default_route_arg
+	local msg ifname ip server_ip pwfile callfile
 
 	local host server port iface_name local_ip username password trusted_cert \
-	              remote_status_check defaultroute peerdns metric
+	              remote_status_check
         json_get_vars host server port iface_name local_ip username password trusted_cert \
-	              remote_status_check defaultroute peerdns metric
+	              remote_status_check
 
         ifname="vpn-$config"
 
@@ -89,12 +88,10 @@ proto_openfortivpn_setup() {
 
 
         [ -n "$port" ] && port=":$port"
-	[ -z "$peerdns" ] && peerdns=1
-	[ "$defaultroute" = 1 ] && defaultroute_arg="defaultroute" || defaultroute_arg=nodefaultroute
         append_args "$server$port" --pppd-ifname="$ifname" --use-syslog  -c /dev/null
         append_args "--set-dns=0"
         append_args "--no-routes"
-        append_args "--pppd-use-peerdns=$peerdns"
+        append_args "--pppd-use-peerdns=1"
 
         [ -n "$iface_name" ] && {
             append_args "--ifname=$iface_device_name"
@@ -125,7 +122,6 @@ noauth
 default-asyncmap
 nopcomp
 receive-all
-$defaultroute_arg
 nodetach
 ipparam $config
 lcp-max-configure 40