SLE add ability to configure emergency via dropin

[teacup-on-rockingchair]

Description:

• For SLE platforms add the possibilty to configure the emergency target auth via drop-in configuration file, rather than directly in the /usr/lib/systemd.. unit

Rationale:

• Modify OVAL check to allow drop-in configuration in /etc/systemd/system/...
• Modify ansible and bash remediations to perform the remediation in a drop-in file rather directly edit the /usr/lib unit file

[github-actions]

Start a new ephemeral environment with changes proposed in this pull request:

rhel8 (from CTF) Environment (using Fedora as testing environment)

Fedora Testing Environment

Oracle Linux 8 Environment

[github-actions]

This datastream diff is auto generated by the check Compare DS/Generate Diff

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bash remediation for rule 'xccdf_org.ssgproject.content_rule_require_emergency_target_auth' differs.
--- xccdf_org.ssgproject.content_rule_require_emergency_target_auth
+++ xccdf_org.ssgproject.content_rule_require_emergency_target_auth
@@ -3,7 +3,9 @@
 
 service_file="/usr/lib/systemd/system/emergency.service"
 
+
 sulogin="/usr/lib/systemd/systemd-sulogin-shell emergency"
+
 
 if grep "^ExecStart=.*" "$service_file" ; then
 sed -i "s%^ExecStart=.*%ExecStart=-$sulogin%" "$service_file"

[marcusburghardt]

@teacup-on-rockingchair could you rebase this PR with the current master, please? This should solve the failed CI tests. Thanks

[codeclimate]

Code Climate has analyzed commit 02f4dc8 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 52.4% (0.0% change).

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