openconnect: add netifd support

git-svn-id: svn://svn.openwrt.org/openwrt/packages@31729 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/openconnect/files.old/openconnect.sh

@@ -0,0 +1,39 @@
+find_gw() {
+	route -n | awk '$1 == "0.0.0.0" { print $2; exit }'
+}
+
+scan_openconnect() {
+	config_set "$1" device "vpn-$1"
+}
+
+stop_interface_openconnect() {
+	local config="$1"
+	local lock="/var/lock/openconnect-$config"
+
+        uci_set_state network "$config" up 0
+
+	lock "$lock"
+
+	SERVICE_PID_FILE="/var/run/openconnect-${config}.pid" \
+	  SERVICE_SIG=HUP service_stop /bin/sh
+
+	remove_dns "$config"
+
+	lock -u "$lock"
+}
+
+setup_interface_openconnect() {
+	local config="$2"
+
+	/sbin/insmod tun 2>&- >&-
+
+	# creating the tunnel below will trigger a net subsystem event
+        # prevent it from touching or iface by disabling .auto here
+        uci_set_state network "$config" ifname "vpn-$config"
+        uci_set_state network "$config" auto 0
+        uci_set_state network "$config" up 1
+
+	SERVICE_PID_FILE="/var/run/openconnect-${config}.pid" \
+          SERVICE_WRITE_PID=1  SERVICE_DAEMONIZE=1 \
+        service_start /usr/sbin/run-openconnect $config
+}