GNU bug report logs - #34717
GPL and Openssl incompatibilities in u-boot and possibly others

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Vagrant Cascadian <vagrant <at> debian.org>
Cc: Danny Milosavljevic <dannym <at> scratchpost.org>, 34717 <at> debbugs.gnu.org
Subject: bug#34717: GPL and Openssl incompatibilities in u-boot and possibly others
Date: Sun, 10 Mar 2019 18:12:54 +0100

Hi,

Vagrant Cascadian <vagrant <at> debian.org> skribis:

> On 2019-03-09, Ludovic Courtès wrote:
>> Vagrant Cascadian <vagrant <at> debian.org> skribis:
>>> On 2019-03-08, Ludovic Courtès wrote:
>>>> Vagrant Cascadian <vagrant <at> debian.org> skribis:
>>>> In addition, we can add a ‘lint’ checker for this case, WDYT?
>>>
>>> Does the lint checker have a way to identify a confidence level,
>>> e.g. *maybe* it has this issue vs. *certainly*? Is there a way to
>>> override the lint checker issues for known false positives? Otherwise,
>>> it might just be annoying noise for packagers where it isn't
>>> appropriate.
>>
>> No it doesn’t have that notion of a confidence level.
>
> And I presume no overrides either, given no comment about that?

We could arrange for this lint “checker” to honor some per-package
property that would silence it.  We do that with the ‘cve’ checker and
the ‘lint-hidden-cve’ property.

>> The warning could be triggered only when a package is GPL’d and has a
>> direct dependency on OpenSSL (we’d forget about indirect dependencies in
>> this case.)  The noise would be rather limited and justified in this
>> case, I think.  WDYT?
>
> The openssl package currently ships the "openssl" binary, as well as the
> libraries. I suspect there are at least three potential cases where a
> package might depend on it:
>
> * Calls the "openssl" binary as part of test suite or run-time. No
> licensing compatibility issue, no worries!
>
> * Using include files from the openssl headers; I guess you could search
> for "include .* openssl/*.h" in the source code. Might get some false
> positives. Can be run without actually even building it.
>
> * Linking against the library which should actually be easy to detect
> with ldd or other tools. Would need to build and then run the checks to
> be sure.

So for the 1st case we’d definitely need that property to tell ‘lint’
that everything is known-good.

‘guix lint’ does very inexpensive tests, so unpacking the tarball and
grepping it would be beyond its scope.  However, if we can provide the
warning and people have a way to silence it, I guess we’re fine?

Thanks,
Ludo’.

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