From: Michael Prokop <mika@grml.org>
Date: Fri, 12 May 2017 14:11:41 +0000 (+0200)
Subject: GRMLBASE/49-sshd: ensure that login as root via password works again
X-Git-Tag: v0.29.4~5
X-Git-Url: https://git.grml.org/?p=grml-live.git;a=commitdiff_plain;h=52b53064ae9100cf67409a4bb0130f613629f5bf;hp=52b53064ae9100cf67409a4bb0130f613629f5bf

GRMLBASE/49-sshd: ensure that login as root via password works again

openssh defaults to "prohibit-password" since openssh-server v1:7.1p1-1,
breaking our existing change regarding without-password.

While at it also improve the script to not readd the PermitRootLogin
and UseDNS configs with every single run, instead check for our
own modifications and skip them in further runs.

Closes grml/grml#12
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