[App_rpt-users] Compiling/running the AllStarLink "trunk" on a 3.x+ Linux kernel system

[Stacy]

On 08/17/2015 08:50 AM, Stacy wrote:

Note that the typos here are entirely mine. :)
> All-
> FYI.  I wasn't able to find any information on how to do this, so I took
> Friday night/Saturday to hack on the files from the "trunk" branch of
> the AllStarLink repository, getting asterisk to compile and successfully
> run under a 3.x+ kernel.
>
> More info here: 
> https://forums.qrz.com/index.php?threads/allstarlink-on-a-3-x-linux-kernel.490024/
>
> Github repository with files I used to do this: 
> https://github.com/KG7QIN/AllStarLink
>
> Note that I also provide a patch for the DAHDI 2.10.2+2.10.2 complete
> driver for it to work with AllStarLink.
>
> After setting up my Raspberry PI B+ as an AllStar node, I wanted to run
> this on other system for experimentation (I used VK2ACP's Github
> repository for this, but I had to port the patch to the newer DAHDI
> driver since the one he had wouldn't compile on the version of ArchLinux
> I was running due to the IOCTL calls used.). 
>
> I didn't like that I couldn't compile this on a Debian distro running a
> 3.x+ kernel using the files provided from the repository.  After a bit
> of searching, it seems that this was a common problem with not many
> people trying to do it (or for those that have done it, having the
> information readily accessible on the web -- I was able to mostly find
> the images that people have from their work on this).
>
> I had tried to port the zaptel driver over to the 3.x+ kernel, but with
> the changes to the IOCTL calls between kernels, as well as some other
> changes, it didn't work.  (I even unsuccessfully tried to post a $50
> bounty for someone to do the conversion on bountysource.com, but it went
> unclaimed and I ended up killing it).
>
> After letting this sit for a few months, I decided to try another shot
> at it.  Since I had some free time on my hands, I decided to try my hand
> at "solving" this problem and getting the software to compile and run on
> my laptop (running Ubuntu 15.04).
>
> I installed the necessary build dependencies for asterisk from the
> Ubuntu repositories which let me compile most of AllStarLink asterisk,
> and proceeded to narrow down why res_crypto wouldn't compile (I was able
> to get the system to partially work without this, but it wouldn't accept
> calls from the AllStarLink telephone portal due to not being able to
> verify the public key used).
>
> After playing with OpenSSL (I thought the problem lied in how the Ubuntu
> folks compiled it), and trying to force res_crypto to compile (causing
> asterisk to crash when loaded), I found it came down to the test for
> OpenSSL that is used in the configuration script.  I did some digging
> and found that configure.ac was the main source for this, and I was able
> to find the offending lines that created the test condition that would
> fail and make the build scripts not compile in res_crypto.
>
> Since the autobuild scripts seems to be some black magic that I wasn't
> steeped in, I decided to see how a newer version of Asterisk handled the
> test for OpenSSL and downloaded Asterisk 1.8.  Looking at its
> configure.ac, I saw the lines that they used for the test and copied
> them over, replacing the old ssl2_connect test that was failing.  After
> running bootstrap.sh to refresh the config scripts and commending out a
> check for SED (that makes configure bomb out), I ran a make menuconfig
> and saw that res_crypto was no longer X'd out.  A quick compile, install
> and configuration of the node shows that it works.
>
> I really like the concept behind the AllStarLink network and think Jim
> Dixon (et all) have done a great job with it.  Having been exposed to
> asterisk through an article in Usenix back in 2005/2006 (and using it
> ever since for my own phone system), I never realized what the
> pciradio/etc stuff was really for.  It wasn't until I got my ham radio
> license in January that I really started to learn what the "other stuff"
> in asterisk was for.
>
> Anyways, I'm sharing this with the hope that someone else may use it. 
> It works for me, but it may not work for you.
>
> 73s,
> Stacy (KG7QIN)
>
>
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