[Csync2] Making SSL errors more helpful

[Ben Klang]

Hello List,

I recently discovered the csync2 tool while working on a cluster experiment.  
Unfortunately I ran into a frustrating inability to diagnose why my SSL 
connections weren't working.  To help remedy that, I have created this small 
patch which changes the somewhat vague "Establishing SSL connection failed."  
into a string which reports the underlying error from the library.  I did not 
check for more places where a similar modification would be desirable, but 
this may be of use to others so I'm submitting it.

That being said, maybe I can ask for some advice.  I attempted to use my 
pre-existing SSL certificate for the server that I have generated with a 
certificate authority (ie. not self-signed).  While using this cert, I'm 
getting the error back: "The cipher type is unsupported." from the GNUTLS 
library.  Does anyone have any advice on that?

Thanks,
/BAK/
-- 
Ben Klang
Alkaloid Networks
404.475.4850
ben at alkaloid.net
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