[Icecast] Icecast SSL endpoint timeout issue

James Turner james at switchbladeuk.com
Sat Mar 28 09:33:21 UTC 2020


Hi team,

Have you folks made any progress with the below by chance?

Kind regards,

James

-----Original Message-----
From: Icecast [mailto:icecast-bounces at xiph.org] On Behalf Of Philipp Schafft
Sent: 16 February 2020 20:15
To: Icecast streaming server user discussions <icecast at xiph.org>
Subject: Re: [Icecast] Icecast SSL endpoint timeout issue


Good evening,

first of all thank you for the very good report. :)


On Sun, 2020-02-16 at 09:57 +0000, James Turner wrote:
> Hi team,
> 
> Please accent my apologies if this is NOT the place/distro list to be 
> raising this. I had major dramas with the standard forum - 
> registration and decided this may be a better route.

This is the *perfect* place beside opening a ticket on gitlab. :)


> My current instance icecast server has been built with  --with-curl 
> --with-openssl  options as outlined within this post:
> https://weekly-geekly.github.io/articles/350236/index.html and the 
> build version is 2.4.99.2

I only had a quick look at that link. I think it is better than most but it has some oddities. I would generally recommend to have a look at:
https://wiki.xiph.org/Icecast_Server/Installing_latest_version_(official_Xiph_repositories)

If you *really* want to build your own Icecast:
https://wiki.xiph.org/Icecast_Server/Git_workflow

However those two are "just" the install part, not the setup part.


> I'm using a valid certificate from letsencrypt on a Ubuntu 18 server 
> hosted by AWS. Icecast recognizes this without issue.

I wouldn't recommend AWS with Icecast as several of my clients had problems with their border gateways. However if it works for you that sounds fine.


> I'm having issues disconnecting  my source client  from Icecast when 
> the connections is via SSL. Non SSL source clients work as intended, 
> connecting and disconnecting without issues and Icecast shuts down the 
> mount points after client drop-outs as intended. See the logs outlined below for details.
> Using an SSL connection and once the client connection drops (for 
> whatever
> reason) Icecast does not recognize this and keeps the mount point 
> active forever - even when there's no data being sent by the client.  
> On a reconnect try  the client gets a 'mount point already in use' 
> message. To get over this state I either have to restart the Icecast 
> service OR manually kill the source from the admin interface. Once 
> done. I can reconnect again.repeating the process
> 
> Frustratingly, this (SSL) works (source>icecast>listener) - just about 
> - but I'd dearly like to understand the issue with the ssl connection 
> and mountpoint not being released. I would expect a source timeout to 
> occur, as defined in the Icecast config file thus releasing the mount 
> point. However, not to be.
> [...]

You are totally right here. In fact it's a bug we currently hunt. Had a debugging session yesterday about it. We are currently considering what the best route is to fix this.

What would help me is if you could provide your exact OpenSSL version:
$ openssl version
$ dpkg -l libssl-dev

Thank you very much. I expect that we fix this within the next week.

With best regards,

--
Philipp.
 (Rah of PH2)
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