Add audit and apply methods for 1.4

bin/hardening/1.4_set_no_allow_insecure_repository_by_apt.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+
+#
+# harbian audit Debian 9 Hardening
+#
+
+#
+# 1.4 Set no allow insecure repository when by apt update (Scored)
+# Authors : Samson wen, Samson <sccxboy@gmail.com>
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+HARDENING_LEVEL=2
+OPTION='AllowInsecureRepositories'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    if [ $(grep -v "^#" /etc/apt/ -r | grep -c "${OPTION}.*true") -gt 0 ]; then
+        crit "The allow insecure repository when by apt update is enable"
+        FNRET=1
+    else
+        ok "The allow insecure repository when by apt update is disable"
+        FNRET=0
+    fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    if [ $FNRET = 0 ]; then 
+        ok "The allow insecure repository when by apt update is disable"
+    else
+        warn "Set no allow insecure repository when by apt update"
+        for CONFFILE in $(grep -i "${OPTION}" /etc/apt/ -r | grep -v "^#" | awk -F: '{print $1}')
+        do
+            sed -i "s/${OPTION}.*true.*/${OPTION} \"false\";/g" ${CONFFILE}
+        done
+    fi
+}
+
+# This function will check config parameters required
+check_config() {
+    # No parameters for this function
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    . /etc/default/cis-hardening
+fi
+if [ -z "$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