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authorKali Kaneko <kali@leap.se>2017-07-11 15:55:13 +0200
committerKali Kaneko <kali@leap.se>2017-07-11 15:59:32 +0200
commit07df10c11fa092af4abfe09dbc7584fc22e614a6 (patch)
treef0fe746838efbb05f32ad16964fbec9a22f4a0c8 /tests/events
parentaac425fba2fc1f3674f9fac969fbfa086318c5ec (diff)
[feat] add fallback on trust sources for ssl verification
With the merge of platformTrust in twisted, the situation for cert chain verification in linux improved a lot. This patch implements fallbacks to do the following: - Try to use whatever trust sources are found in the system. This means that if ca-certificates is installed, pyopenssl will have a valid set of root certificates and verification will likely work (twisted uses platformTrust for this). - If that fails, try to use certifi. We could/should depend on that from now on, *but* it's not packaged before stretch. - So, I'm not deprecating its usage right now, but this one should be the last cacert.pem bundle that we ship with leap.common. - If the cacert.pem from leap.common fails to be found, well, there's nothing you can do. Your TOFU attempt with a cert coming from the CArtel will fail. Most of this MR should be sent as a patch upstream, see https://twistedmatrix.com/trac/ticket/6934 Also related: https://twistedmatrix.com/trac/ticket/9209 I think proper testing will depend on merging https://github.com/pyca/pyopenssl/pull/473 - Resolves: #8958 - Release: 0.6.0
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