Feature: Added network IPs section to document network IP and their hostnames

admin/database_updates/2.7.2.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * ITFlow - Database update to version 2.7.2 (from 2.7.1)
+ * Included by admin/database_updates.php - do not access directly
+ */
+
+defined('FROM_DB_UPDATER') || die("Direct file access is not allowed");
+
+    // Documented IP addresses, hanging off the network (subnet) they belong to.
+    // Addresses are stored canonicalised (inet_ntop form) so the UNIQUE key
+    // below actually catches the same address entered two different ways.
+    //
+    // The foreign key means deleting a network takes its addresses with it -
+    // agent/post/network.php's delete handler needs no change.
+    mysqli_query($mysqli, "CREATE TABLE IF NOT EXISTS `network_ips` (
+        `ip_id` int(11) NOT NULL AUTO_INCREMENT,
+        `ip_address` varchar(45) NOT NULL,
+        `ip_hostname` varchar(200) DEFAULT NULL,
+        `ip_description` varchar(200) DEFAULT NULL,
+        `ip_created_at` datetime NOT NULL DEFAULT current_timestamp(),
+        `ip_updated_at` datetime DEFAULT NULL ON UPDATE current_timestamp(),
+        `ip_network_id` int(11) NOT NULL,
+        PRIMARY KEY (`ip_id`),
+        UNIQUE KEY `ip_network_address` (`ip_network_id`,`ip_address`),
+        CONSTRAINT `network_ips_ibfk_1` FOREIGN KEY (`ip_network_id`) REFERENCES `networks` (`network_id`) ON DELETE CASCADE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci");