From 56b3db72b0c6215eaba1f65672365b34e0f9c6ce Mon Sep 17 00:00:00 2001
From: Samson-W <sccxboy@gmail.com>
Date: Mon, 13 May 2019 17:14:37 +0800
Subject: [PATCH] Add audit and apply methods for 10.1.5: Ensure inactive
 password lock is 30 days or less.

---
 .../10.1.5_set_password_lock_inactive_user.sh | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100755 bin/hardening/10.1.5_set_password_lock_inactive_user.sh

diff --git a/bin/hardening/10.1.5_set_password_lock_inactive_user.sh b/bin/hardening/10.1.5_set_password_lock_inactive_user.sh
new file mode 100755
index 0000000..ec11c2f
--- /dev/null
+++ b/bin/hardening/10.1.5_set_password_lock_inactive_user.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+#
+# harbian audit 7/8/9  Hardening
+#
+
+#
+# 10.1.5 Ensure inactive password lock is 30 days or less (Scored)
+# Author: Samson-W (sccxboy@gmail.com)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+HARDENING_LEVEL=3
+
+OPTIONS='INACTIVE=30'
+SHA_FILE='/etc/shadow'
+DISABLE_V='-1'
+FILE='/etc/default/useradd'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+		SSH_PARAM=$(echo $OPTIONS | cut -d= -f 1)
+		SSH_VALUE=$(echo $OPTIONS | cut -d= -f 2)
+		INACTIVE_V=$(useradd -D | grep $SSH_PARAM | awk -F= '{print $2}')
+		if [ $INACTIVE_V -eq $DISABLE_V ]; then
+			crit "INACTIVE feature has disabled."
+		elif [ $INACTIVE_V -eq 0 ]; then
+			crit "INACTIVE value has disabled."
+		elif [ $INACTIVE_V -gt $SSH_VALUE ]; then
+			crit "INACTIVE value is greater than $SSH_VALUE day"
+		else
+			ok "All user's INACTIVE value is equal or less than $SSH_VALUE day"
+		fi
+
+		if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '{print $7}' | wc -w) -eq 0 ]; then
+			crit "Have least user's INACTIVE password lifttime is not set"
+		else
+			if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$7 > "'$SSH_VALUE'" {print $1}' | wc -l) -gt 0 ]; then
+				crit "Have least user's INACTIVE password lifttime is greater than $SSH_VALUE day"
+			else
+				ok "All user's INACTIVE password lifttime is equal or less than $SSH_VALUE day"
+			fi
+		fi
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+	SSH_PARAM=$(echo $OPTIONS | cut -d= -f 1)
+	SSH_VALUE=$(echo $OPTIONS | cut -d= -f 2)
+	PATTERN="^$SSH_PARAM=$SSH_VALUE"
+	does_pattern_exist_in_file $FILE "$PATTERN"
+	if [ $FNRET = 0 ]; then
+		ok "$PATTERN is present in $FILE"
+	else
+		warn "$PATTERN is not present in $FILE, adding it"
+		does_pattern_exist_in_file $FILE "^$SSH_PARAM"
+		if [ $FNRET != 0 ]; then
+			add_end_of_file $FILE "$SSH_PARAM=$SSH_VALUE"
+		else
+			info "Parameter $SSH_PARAM is present but with the wrong value -- Fixing"
+			replace_in_file $FILE "^$SSH_PARAM.*" "$SSH_PARAM=$SSH_VALUE"
+		fi
+	fi
+	if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '{print $7}' | wc -w) -eq 0 ]; then
+		warn "Have least user's INACTIVE password lifttime is not set. Fixing"
+		for USERNAME in $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '{print $1}'); 
+		do 
+			chage --inactive $SSH_VALUE $USERNAME			
+		done
+	else
+		if [ $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$7 > "'$SSH_VALUE'" {print $1}' | wc -l) -gt 0 ]; then
+			warn "Have least user's INACTIVE password lifttime is greater than $SSH_VALUE day. Fixing"
+			for USERNAME in $(egrep ^[^:]+:[^\!*] $SHA_FILE | awk -F: '$7 > "'$SSH_VALUE'" {print $1}'); 
+			do 
+				chage --inactive $SSH_VALUE $USERNAME
+			done
+		else
+			ok "All user's INACTIVE password lifttime is equal or less than $SSH_VALUE day"
+		fi
+	fi
+}
+
+# This function will check config parameters required
+check_config() {
+    :
+}
+
+# Source Root Dir Parameter
+if [ -r /etc/default/cis-hardening ]; then
+    . /etc/default/cis-hardening
+fi
+if [ -z "$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