Suggest local interfaces in bind setting

2026-11-07 04:55:00 +03:00 · 2026-11-06 15:19:31 +08:00
parent 2010477f38
commit 052f6f0fec
5 changed files with 99 additions and 11 deletions
@@ -0,0 +1,80 @@
+namespace ServiceLib.Common;
+
+public static class NetworkUtils
+{
+    private static readonly HashSet<NetworkInterfaceType> _allowedPhysicalInterfaceTypes =
+    [
+        NetworkInterfaceType.Ethernet,
+        NetworkInterfaceType.Wireless80211,
+        NetworkInterfaceType.GigabitEthernet,
+        NetworkInterfaceType.FastEthernetFx,
+        NetworkInterfaceType.FastEthernetT,
+    ];
+
+    private static readonly string[] _allowedPhysicalNameKeywords =
+    [
+        // Windows / Generic
+        "ethernet", "wlan", "wi-fi", "wifi",
+
+        // Linux
+        "eth", "enp", "ens", "eno", "enx", "wlp", "wlan",
+
+        // macOS
+        "en0", "en1", "en2", "airport",
+
+        // Chinese
+        "以太网", "无线", "局域网"
+    ];
+
+    private static readonly string[] _virtualNameBlacklistKeywords =
+    [
+        // Generic
+        "virtual", "loopback", "loop back",
+
+        // Common virtual adapters
+        "hyper-v", "vmware", "virtualbox", "vbox", "docker", "veth", "virbr", "cni",
+        "flannel", "cali", "kube", "wintun", "wireguard", "zerotier", "tailscale", "utun",
+
+        // Chinese
+        "虚拟", "回环", "环回"
+    ];
+
+    public static List<string> GetLocalNetworkInterfaceNames()
+    {
+        try
+        {
+            return NetworkInterface.GetAllNetworkInterfaces()
+                .Where(IsAllowedPhysicalInterface)
+                .Select(x => x.Name)
+                .Where(x => !string.IsNullOrWhiteSpace(x))
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .OrderBy(x => x)
+                .ToList();
+        }
+        catch
+        {
+            return [];
+        }
+    }
+
+    private static bool IsAllowedPhysicalInterface(NetworkInterface ni)
+    {
+        if (ni.OperationalStatus != OperationalStatus.Up)
+        {
+            return false;
+        }
+
+        var interfaceText = $"{ni.Name} {ni.Description}";
+        if (_virtualNameBlacklistKeywords.Any(keyword => interfaceText.Contains(keyword, StringComparison.OrdinalIgnoreCase)))
+        {
+            return false;
+        }
+
+        if (_allowedPhysicalInterfaceTypes.Contains(ni.NetworkInterfaceType))
+        {
+            return true;
+        }
+
+        return _allowedPhysicalNameKeywords.Any(keyword => interfaceText.Contains(keyword, StringComparison.OrdinalIgnoreCase));
+    }
+}