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2dust
2025-11-02 15:25:41 +08:00
parent b218f0b501
commit ab6a6b879e
45 changed files with 326 additions and 52 deletions
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v2rayN/ServiceLib/Common/Utils.cs
+31
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@@ -306,7 +306,10 @@ public class Utils
public static bool IsBase64String(string? plainText)
{
if (plainText.IsNullOrEmpty())
{
return false;
}
var buffer = new Span<byte>(new byte[plainText.Length]);
return Convert.TryFromBase64String(plainText, buffer, out var _);
}
@@ -520,40 +523,62 @@ public class Utils
{
// Loopback address check (127.0.0.1 for IPv4, ::1 for IPv6)
if (IPAddress.IsLoopback(address))
{
return true;
}
var ipBytes = address.GetAddressBytes();
if (address.AddressFamily == AddressFamily.InterNetwork)
{
// IPv4 private address check
if (ipBytes[0] == 10)
{
return true;
}
if (ipBytes[0] == 172 && ipBytes[1] >= 16 && ipBytes[1] <= 31)
{
return true;
}
if (ipBytes[0] == 192 && ipBytes[1] == 168)
{
return true;
}
}
else if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
// IPv6 private address check
// Link-local address fe80::/10
if (ipBytes[0] == 0xfe && (ipBytes[1] & 0xc0) == 0x80)
{
return true;
}
// Unique local address fc00::/7 (typically fd00::/8)
if ((ipBytes[0] & 0xfe) == 0xfc)
{
return true;
}
// Private portion in IPv4-mapped addresses ::ffff:0:0/96
if (address.IsIPv4MappedToIPv6)
{
var ipv4Bytes = ipBytes.Skip(12).ToArray();
if (ipv4Bytes[0] == 10)
{
return true;
}
if (ipv4Bytes[0] == 172 && ipv4Bytes[1] >= 16 && ipv4Bytes[1] <= 31)
{
return true;
}
if (ipv4Bytes[0] == 192 && ipv4Bytes[1] == 168)
{
return true;
}
}
}
}
@@ -708,10 +733,16 @@ public class Utils
foreach (var host in hostsList)
{
if (host.StartsWith("#"))
{
continue;
}
var hostItem = host.Split(new[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (hostItem.Length < 2)
{
continue;
}
systemHosts.Add(hostItem[1], hostItem[0]);
}
}