The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.
#!/bin/bash
# Reconstructed from oval:mil.disa.fso.rhel11:def:20
# The x86 CTRL-ALT-DELETE key sequence must be disabled.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# test uncommented ctrlaltdel statements
# textfilecontent54_object (textfilecontent54_test)
test_1() {
(sed -En 's/^ca:.*:ctrlaltdel:(.+)/\1/p' '/etc/inittab') | grep -Pq '^/usr/bin/logger[ ]'
}
# Commented ctrlaltdel line
# textfilecontent54_object (textfilecontent54_test)
test_2() {
grep -Pq '^(#ca:).*:ctrlaltdel:' '/etc/inittab' &>/dev/null
}
# no uncommented crtlaltdel lines exist
# textfilecontent54_object (textfilecontent54_test)
test_3() {
! ( grep -Pq '^ca:.*:ctrlaltdel:(.+)' '/etc/inittab' &>/dev/null )
}
if ! ( test_1 || ! ( test_2 && test_3 ) ); then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.rhel11:def:20
if [ ! -f "/etc/inittab" ]; then echo "PASS"; exit 0; fi
if [ $(grep -c "^ca:nil:ctrlaltdel:/usr/bin/logger -p security.info \"Ctrl-Alt-Del was pressed\"" /etc/inittab) -eq 1 ]; then echo "PASS"; exit 0; fi
if [ $(grep -c "^#ca:.*:ctrlaltdel:(.+)$" /etc/inittab) -eq 1 ] && [ $(grep -c "^ca:.*:ctrlaltdel:(.+)$" /etc/inittab) -eq 0 ]; then echo "PASS"; exit 0; fi
echo "FAIL"; exit 1