Allow spaces in rule sudo_custom_logfile

[jan-cerny]

We should allow spaces around equal sign in /etc/sudoers. The following should be a valid configuration.

Defaults logfile = /var/log/sudo

Also adds a test scenario that serves as a regression test.

Resolves: https://issues.redhat.com/browse/RHEL-1904

[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]

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bash remediation for rule 'xccdf_org.ssgproject.content_rule_sudo_custom_logfile' differs.
--- xccdf_org.ssgproject.content_rule_sudo_custom_logfile
+++ xccdf_org.ssgproject.content_rule_sudo_custom_logfile
@@ -6,7 +6,7 @@
 
 if /usr/sbin/visudo -qcf /etc/sudoers; then
     cp /etc/sudoers /etc/sudoers.bak
-    if ! grep -P '^[\s]*Defaults[\s]*\blogfile=("(?:\\"|\\\\|[^"\\\n])*"\B|[^"](?:(?:\\,|\\"|\\ |\\\\|[^", \\\n])*)\b)\b.*$' /etc/sudoers; then
+    if ! grep -P '^[\s]*Defaults[\s]*\blogfile\s*=\s*("(?:\\"|\\\\|[^"\\\n])*"\B|[^"](?:(?:\\,|\\"|\\ |\\\\|[^", \\\n])*)\b)\b.*$' /etc/sudoers; then
         # sudoers file doesn't define Option logfile
         echo "Defaults logfile=${var_sudo_logfile}" >> /etc/sudoers
     else

[codeclimate]

Code Climate has analyzed commit 62068fa 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 58.4% (0.0% change).

View more on Code Climate.

[Mab879]

LGTM.

Automatus tests pass locally.