[GIT PULL V4] JNI bindings for libopenconnect

Nikos Mavrogiannopoulos n.mavrogiannopoulos at gmail.com
Tue Dec 10 02:40:28 EST 2013

On Tue, Dec 10, 2013 at 1:24 AM, Kevin Cernekee <cernekee at gmail.com> wrote:

>> Thus either you received a duplicate/delayed packet after a worker has
>> disconnected, or the UDP socket connection to a worker process was
>> lost for some reason and UDP packets are being forwarded to the main
>> process instead.
> Hmm, OK.  I don't have an easy way to reproduce this, but I did see it
> again running the latest ocserv code from a few days ago.  If I get a
> better log I'll post it.

Are these errors occuring when some other even starts or stops?

> 2013-12-08 12:31:27 LIB: Connected to HTTPS on
> 2013-12-08 12:31:31 LIB: Got CONNECT response: HTTP/1.1 200 CONNECTED
> 2013-12-08 12:31:31 LIB: CSTP connected. DPD 440, Keepalive 32400
> 2013-12-08 12:31:31 LIB: DTLS got write error: The specified session
> has been invalidated for some reason.. Falling back to SSL
> 2013-12-08 12:31:31 LIB: Established DTLS connection (using GnuTLS)
> 2013-12-08 12:46:37 LIB: Unknown packet 03 54 46 01 00 3c 00 00
> 2013-12-08 12:46:37 LIB: Send BYE packet: Unknown packet received
> It looks like periodic_check() is sending out raw 1-byte DPD commands
> without the "STF\x01" magic header.  I suspect you probably want to do
> something like this (compile-tested only):

I wonder how does this worked so far. I've committed a fix, thanks.


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