Add 14.2: Check abuse 777 permissions

bin/hardening/14.2_check_abuse_777_permissions.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+#
+# harbian-audit for Debian GNU/Linux 9/10/11 Hardening
+#
+
+#
+# 14.2 To ensure there are no files permissions are set to 777 (Scored)
+# Author: Samson-W (samson@hardenedlinux.org) author add this
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+HARDENING_LEVEL=3
+HARDENING_EXCEPTION=sechardened
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+	if [ $ISEXCEPTION -eq 1 ]; then
+		warn "Exception is set to 1, so it's pass!"
+	else
+		ABUSECOUNT=$(find / -xdev -type f -perm -777 | wc -l )
+		if [ $ABUSECOUNT -gt 0 ]; then
+			crit "$ABUSECOUNT files abuse the 777 permission."
+			FNRET=1
+		else
+			ok "There are no files that abuse 777 permissions."
+			FNRET=0
+		fi	
+	fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	if [ $ISEXCEPTION -eq 1 ]; then
+		warn "Exception is set to 1, so it's pass!"
+	else
+		if [ $FNRET -eq 0 ]; then
+			ok "There are no files that abuse 777 permissions."
+		else
+			warn "Some files abuse 777 permissions. Please check and correct yourself!"
+		fi
+	fi
+}
+
+# This function will create the config file for this check with default values
+create_config() {
+cat <<EOF
+status=disabled
+# Put here exception to pass this case, if set is 1, don't need apply, let to pass.
+ISEXCEPTION=0
+EOF
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    . /etc/default/cis-hardening
+fi
+if [ -z "$CIS_ROOT_DIR" ]; then
+     echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
+     echo "Cannot source CIS_ROOT_DIR variable, aborting."
+    exit 128
+fi
+
+# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
+if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
+    . $CIS_ROOT_DIR/lib/main.sh
+else
+    echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
+    exit 128
+fi