Re: Stunnel 5.45 and 5.46 crashes upon reconnect HTTPS

I have exactly the same problem with stunnel 5.45 and 5.46 crashing on
second request!

Running on Windows 10 Pro x64 1803.

I also use https to separate traffic to two different sites on the same
server as the stunnel service.

/Per

Den tor 21 juni 2018 19:04Javier <[email protected]> skrev:

> Hi,
>
> isn't annoying when you are using an old version, 5.44, and all goes
> fine, you notice you are outdated and then comes the problems after
> update? :-P
>
>
> The thing is that yesterday I needed the HTTPS server so I run
> Stunnel 5.44 for my non-SSL app and all was fine. I updated to 5.46
> just because I forgot the last time and didn't even run again because
> I didn't need it.
>
> Today I used it and... I had a crash. I tested 5.45 to trace versions
> back, and it crashes as well. Back to 5.44 and no crash.
>
> The crash happens when there is a reload/reconnect/multiconnect
> (example, 2 connections html+images) by the browser when connects to
> an HTTPS server.
>
> It only happens when using a SNI service.
>
> I've been able to trace back the log on those versions and when fails
> in 5.45 and 5.46 is at the time when it needs to switch to the SNI
> service.
>
> (log from 5.44)
> SNI: requested servername: xxx
> SNI: matched pattern: xxx
> SNI: switched to service [xxx]  <<<<----- BEFORE SWITCH, IT CRASHES on
> 5.45 and 5.46
>
> Imagine you load https://xxx/.
>
> The first time is fine, the second, crashes stunnel. Not happening
> with 5.44.
>
> I haven't seen any change to SNI in manual so... :-?
>
> These are the configs for the used virtual servers. Nothing has been
> changed, anyway:
>
>
> [SSL]
> client = no
>
> accept = y.y.y.1:4747
> connect = y.y.y.2:443
>
> [SSL-xxx-SNI]
> client = no
> sni = SSL:xxx
>
> connect = y.y.y.2:443
>
> cert = pem
> key = pem
>
>
> Don't mind the port numbers. They aren't in conflict.
>
>
> Running on Windows 2000.
>
> Regards.
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>

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