From 35d789f133c5c92bf23e37498e011c5f379dd536 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Tue, 29 Nov 2016 19:30:36 +0000
Subject: [PATCH] Limit the number of user logins

---
 src/freedombone-utils-setup | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/freedombone-utils-setup b/src/freedombone-utils-setup
index d04ff765..99fa734d 100755
--- a/src/freedombone-utils-setup
+++ b/src/freedombone-utils-setup
@@ -393,6 +393,22 @@ function set_max_login_tries {
     fi
 }
 
+function limit_user_logins {
+    # overall max logins
+    if ! grep '* hard maxsyslogins' /etc/security/limits.conf; then
+        echo '* hard maxsyslogins 10' >> /etc/security/limits.conf
+    else
+        sed -i 's|hard maxsyslogins.*|hard maxsyslogins 10|g' /etc/security/limits.conf
+    fi
+
+    # Max logins for each user
+    if ! grep '* hard maxlogins' /etc/security/limits.conf; then
+        echo '* hard maxlogins 2' >> /etc/security/limits.conf
+    else
+        sed -i 's|hard maxlogins.*|hard maxlogins 2|g' /etc/security/limits.conf
+    fi
+}
+
 function setup_firewall {
     function_check create_completion_file
     create_completion_file
@@ -587,6 +603,9 @@ function setup_utils {
 
     function_check admin_user_sudo
     admin_user_sudo
+
+    function_check limit_user_logins
+    limit_user_logins
 }
 
 function setup_email {