On Wed, 2018-01-10 at 16:50 +0000, Anisimov Vasiliy wrote: > Hello! > I’m trying to implement prototype with support of OpenConnect on iOS. > > I’ve compiled OpenConnect with GnuTLS and all works fine on > establishing connection step. > But I can’t understand what I should do to adopt OpenConnect for > usage iOS NEPacketTunnelFlow’s read and write packets methods. > NEPacketTunnelFlow is high level abstraction under tun interfaces. > And I don’t have access to tun device directly. I can just read and > write IP packets using read and write methods. > > Can you please help me to understand what I should change (maybe just > key words) to be able setup tunnel from iOS framework and send > packets received from NEPacketTunnelFlow to OpenConnect?
Overload the os_setup_tun(), os_write_tun() and os_read_tun() methods. See tun-win32.c for an example. You also need a notification that the tun is readable, ideally, to hook into the polling mechanism.
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