openconnect: updated to 8.10 to address CVE-2020-12823

Signed-off-by: Nikos Mavrogiannopoulos <n.mavrogiannopoulos@gmail.com>

net/openconnect/files/openconnect.sh

@@ -15,6 +15,7 @@ proto_openconnect_init_config() {
 	proto_config_add_int "port"
 	proto_config_add_int "mtu"
 	proto_config_add_int "juniper"
+	proto_config_add_boolean "no_dtls"
 	proto_config_add_string "interface"
 	proto_config_add_string "username"
 	proto_config_add_string "serverhash"
@@ -39,7 +40,25 @@ proto_openconnect_add_form_entry() {
 proto_openconnect_setup() {
 	local config="$1"
 
-	json_get_vars server port interface username serverhash authgroup usergroup password password2 token_mode token_secret token_script os csd_wrapper mtu juniper form_entry
+	json_get_vars \
+		authgroup \
+		csd_wrapper \
+		form_entry \
+		interface \
+		juniper \
+		mtu \
+		no_dtls \
+		os \
+		password \
+		password2 \
+		port \
+		server \
+		serverhash \
+		token_mode \
+		token_script \
+		token_secret \
+		usergroup \
+		username \
 
 	grep -q tun /proc/modules || insmod tun
 	ifname="vpn-$config"
@@ -55,6 +74,7 @@ proto_openconnect_setup() {
 	[ -n "$port" ] && port=":$port"
 
 	append_args "$server$port" -i "$ifname" --non-inter --syslog --script /lib/netifd/vpnc-script
+	[ "$no_dtls" = 1 ] && append_args --no-dtls
 	[ -n "$mtu" ] && append_args --mtu "$mtu"
 
 	# migrate to standard config files