feat: add software inventory and insecure TLS option

src/HardwareCollector.cs

@@ -1,10 +1,11 @@
 using System.Management;
+using Microsoft.Win32;
 
 namespace NetBoxWindowsAgent;
 
 internal static class HardwareCollector
 {
-    public static HardwareInfo Collect()
+    public static HardwareInfo Collect(bool collectSoftware = true, int maxSoftwareEntries = 250)
     {
         var computer = First("Win32_ComputerSystem", "Manufacturer", "Model", "TotalPhysicalMemory");
         var product = First("Win32_ComputerSystemProduct", "UUID");
@@ -21,7 +22,29 @@ internal static class HardwareCollector
 
         return new HardwareInfo(Environment.MachineName, S(computer, "Manufacturer"), S(computer, "Model"),
             S(bios, "SerialNumber"), S(product, "UUID"), S(os, "Caption"), S(os, "Version"),
-            S(os, "OSArchitecture"), S(cpu, "Name"), U(computer, "TotalPhysicalMemory"), disks, networks);
+            S(os, "OSArchitecture"), S(cpu, "Name"), U(computer, "TotalPhysicalMemory"), disks, networks,
+            collectSoftware ? CollectSoftware(maxSoftwareEntries) : []);
+    }
+
+    private static IReadOnlyList<SoftwareInfo> CollectSoftware(int maximum)
+    {
+        var software = new Dictionary<string, SoftwareInfo>(StringComparer.OrdinalIgnoreCase);
+        foreach (var view in new[] { RegistryView.Registry64, RegistryView.Registry32 })
+        {
+            using var hive = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, view);
+            using var uninstall = hive.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall");
+            if (uninstall is null) continue;
+            foreach (var subKeyName in uninstall.GetSubKeyNames())
+            {
+                using var entry = uninstall.OpenSubKey(subKeyName);
+                var name = Convert.ToString(entry?.GetValue("DisplayName"))?.Trim();
+                if (string.IsNullOrWhiteSpace(name) || Convert.ToInt32(entry?.GetValue("SystemComponent", 0)) == 1) continue;
+                var version = Convert.ToString(entry?.GetValue("DisplayVersion"))?.Trim() ?? "";
+                var publisher = Convert.ToString(entry?.GetValue("Publisher"))?.Trim() ?? "";
+                software.TryAdd($"{name}\0{version}", new SoftwareInfo(name, version, publisher));
+            }
+        }
+        return software.Values.OrderBy(x => x.Name, StringComparer.OrdinalIgnoreCase).Take(Math.Clamp(maximum, 0, 1000)).ToList();
     }
 
     private static ManagementBaseObject First(string cls, params string[] fields) => Query(cls, fields).First();