[source] openvpn: add support for various new 2.4 configuration options

[LEDE Commits]

nbd pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/69f773daa32a3506fc71a5601ae90d4ca81ec3b2

commit 69f773daa32a3506fc71a5601ae90d4ca81ec3b2
Author: Magnus Kroken <mkroken at gmail.com>
AuthorDate: Mon Jan 16 22:56:03 2017 +0100

    openvpn: add support for various new 2.4 configuration options
    
    Updates to openvpn.init were included in early OpenVPN 2.4 patch
    series, but got lost along the way and were never merged.
    
    Signed-off-by: Magnus Kroken <mkroken at gmail.com>
---
 .../network/services/openvpn/files/openvpn.init    | 43 ++++++++++------------
 1 file changed, 19 insertions(+), 24 deletions(-)

diff --git a/package/network/services/openvpn/files/openvpn.init b/package/network/services/openvpn/files/openvpn.init
index 0fcdc7e..af9c144 100644
--- a/package/network/services/openvpn/files/openvpn.init
+++ b/package/network/services/openvpn/files/openvpn.init
@@ -95,38 +95,33 @@ start_instance() {
 
 	# append flags
 	append_bools "$s" \
-		auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
-		client_to_client comp_noadapt disable \
-		disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
+		allow_recursive_routing auth_nocache auth_user_pass_optional bind ccd_exclusive client client_cert_not_required \
+		client_to_client comp_noadapt disable disable_occ down_pre duplicate_cn fast_io float http_proxy_retry \
 		ifconfig_noexec ifconfig_nowarn ifconfig_pool_linear management_forget_disconnect management_hold \
 		management_query_passwords management_signal mktun mlock mtu_test multihome mute_replay_warnings \
-		nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
-		persist_remote_ip persist_tun ping_timer_rem pull push_reset \
-		remote_random rmtun route_noexec route_nopull single_session socks_proxy_retry \
-		suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
+		ncp_disable nobind no_iv no_name_remapping no_replay opt_verify passtos persist_key persist_local_ip \
+		persist_remote_ip persist_tun ping_timer_rem pull push_reset remote_random rmtun route_noexec route_nopull \
+		single_session socks_proxy_retry suppress_timestamps tcp_nodelay test_crypto tls_client tls_exit tls_server \
 		tun_ipv6 up_delay up_restart username_as_common_name
 
 	# append params
 	append_params "$s" \
 		cd askpass auth auth_retry auth_user_pass auth_user_pass_verify bcast_buffers ca cert capath \
-		chroot cipher client_config_dir client_connect client_disconnect comp_lzo connect_freq \
+		chroot cipher client_config_dir client_connect client_disconnect comp_lzo compress connect_freq \
 		connect_retry connect_timeout connect_retry_max crl_verify dev dev_node dev_type dh \
-		echo engine explicit_exit_notify fragment group hand_window hash_size \
-		http_proxy http_proxy_option http_proxy_timeout ifconfig ifconfig_pool \
-		ifconfig_pool_persist ifconfig_push inactive ipchange iroute keepalive \
-		key key_method keysize learn_address link_mtu lladdr local log log_append \
-		lport management management_log_cache max_clients \
-		max_routes_per_client mode mssfix mtu_disc mute nice ns_cert_type ping \
-		ping_exit ping_restart pkcs12 plugin port port_share prng proto rcvbuf \
-		redirect_gateway remap_usr1 remote remote_cert_eku remote_cert_ku remote_cert_tls \
-		reneg_bytes reneg_pkts reneg_sec \
-		replay_persist replay_window resolv_retry route route_delay route_gateway \
-		route_metric route_pre_down route_up rport script_security secret server server_bridge setenv shaper sndbuf \
-		socks_proxy status status_version syslog tcp_queue_limit tls_auth tls_version_min \
-		tls_cipher tls_remote tls_timeout tls_verify tmp_dir topology tran_window \
-		tun_mtu tun_mtu_extra txqueuelen user verb down push up \
-		verify_x509_name x509_username_field \
-		ifconfig_ipv6 route_ipv6 server_ipv6 ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
+		ecdh_curve echo engine explicit_exit_notify fragment group hand_window hash_size http_proxy \
+		http_proxy_option http_proxy_timeout ifconfig ifconfig_pool ifconfig_pool_persist ifconfig_push \
+		inactive ipchange iroute keepalive key key_method keysize learn_address link_mtu lladdr local \
+		log log_append lport management management_log_cache max_clients max_routes_per_client mode \
+		mssfix mtu_disc mute ncp_ciphers nice ns_cert_type ping ping_exit ping_restart pkcs12 plugin \
+		port port_share prng proto pull_filter rcvbuf redirect_gateway remap_usr1 remote remote_cert_eku \
+		remote_cert_ku remote_cert_tls reneg_bytes reneg_pkts reneg_sec replay_persist replay_window \
+		resolv_retry route route_delay route_gateway route_metric route_pre_down route_up rport \
+		script_security secret server server_bridge setenv shaper sndbuf socks_proxy status status_version \
+		syslog tcp_queue_limit tls_auth tls_crypt tls_version_min tls_cipher tls_timeout \
+		tls_verify tmp_dir topology tran_window tun_mtu tun_mtu_extra txqueuelen user verb \
+		down push up verify_x509_name x509_username_field ifconfig_ipv6 route_ipv6 server_ipv6 \
+		ifconfig_ipv6_pool ifconfig_ipv6_push iroute_ipv6
 
 	openvpn_add_instance "$s" "/var/etc" "openvpn-$s.conf"
 }