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.aix11:def:171
# Cron and crontab directories must have mode 0755 or less permissive.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# Test mode of /var/spool/cron/crontabs is 755 or less permissive
# file_object (file_test)
test_1() {
( (stat -c '%A' '/var/spool/cron/crontabs' | awk '{print (substr($0,7,1)=="s" || substr($0,7,1)=="S")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/var/spool/cron/crontabs' | awk '{print (substr($0,4,1)=="s" || substr($0,4,1)=="S")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/var/spool/cron/crontabs' | awk '{print (substr($0,9,1)=="w")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/var/spool/cron/crontabs' | awk '{print (substr($0,6,1)=="w")?"true":"false"}') | grep -qxF 'false' )
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.aix11:def:171
path="/var/spool/cron/crontabs"
if [ ! -d "$path" ]; then echo "PASS"; exit 0; fi
mode=$(stat -c "%a" "$path")
if [ ! -w / ] && [ ! -w /var ] && [ ! -w /var/spool ] && [ ! -w /var/spool/cron ] && [ ! -w "$path" ]; then echo "PASS"; exit 0; fi
if [ "$mode" -le 755 ] && [ $(stat -c "%a" "$path" | grep -q '^[0-3][0-5]5$') ]; then echo "PASS"; exit 0; fi
echo "FAIL"; exit 1