8.3.2_tripwire_cron.sh

bin/hardening/8.3.2_tripwire_cron.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 8.3.2 Implement Periodic Execution of File Integrity (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+FILES='/etc/crontab /etc/cron.d/*'
+PATTERN='tripwire --check'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    does_pattern_exists_in_file "$FILES" "$PATTERN"
+    if [ $FNRET != 0 ]; then
+        crit "$PATTERN not present in $FILES"
+    else
+        ok "$PATTERN present in $FILES"
+    fi 
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    does_pattern_exists_in_file "$FILES" "$PATTERN"
+    if [ $FNRET != 0 ]; then
+        warn "$PATTERN not present in $FILES, setting tripwire cron"
+        echo "0 10 * * * root /usr/sbin/tripwire --check > /dev/shm/tripwire_check 2>&1 " > /etc/cron.d/CIS_8.3.2_tripwire        
+    else
+        ok "$PATTERN present in $FILES"
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :    
+}
+
+# Source Root Dir Parameter
+if [ ! -r /etc/default/cis-hardenning ]; then
+    echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
+    exit 128
+else
+    . /etc/default/cis-hardenning
+    if [ -z $CIS_ROOT_DIR ]; then
+        echo "No CIS_ROOT_DIR variable, aborting"
+    fi
+fi 
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh