Programatially determine if Cisco VPN Client is connected

Question

I am working with the basic Cisco VPN client (v.5 I believe). Is there anyway to determine programatically if a partciular profile (or any profile for that matter) is connected?

I'm looking to somehow get a status from the client itself. I don't want to have to try to ping some IP on the other end of the VPN to see if I get a response.

Answer 1

I am unaware of any APIs for Cisco VPN client but you could use the underlying OS.

On Mac OS X, you can query the System Configuration framework because when Cisco VPN client connects it creates a number of keys in the configuration directory (DNS and stuff):

$ printf "get State:/Network/Service/com.cisco.VPN" | sudo scutil

The programmatic equivalent of the above can be achieved in plain C Carbon or ObjC Cocoa.

Answer 2

There is an API for Cisco VPN (vpnapi.dll).

Answer 3

Well if all else fails, parse the output of "route". The routing used by CiscoVPN has a telltale mark there.