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fix: Exempts localhost from IPLimiter. Preps testing for io_uring (#2316)

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### Summary
* Exempts localhost from IPLimiter
* Updates tests to have proper sequential testing with packets
* Updates tests to clean up NetState
This commit is contained in:
Kamron Batman 2026-01-20 08:54:15 -08:00 • committed by GitHub
parent 8133983b64
commit 1e4c32c809
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77 changed files with 4612 additions and 4616 deletions
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49
Projects/Server/Utilities/NetworkUtilities.cs Normal file
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using System.Net;
using System.Net.Sockets;
using Server.Network;
namespace Server;
public static class NetworkUtilities
{
public static bool IsPrivateNetwork(this IPAddress ip) =>
ip.AddressFamily switch
{
AddressFamily.InterNetwork => ip.IsPrivateNetworkV4(),
AddressFamily.InterNetworkV6 => ip.IsPrivateNetworkV6(),
_ => false
};
private static readonly IFirewallEntry[] _privateNetworkV4 =
[
new CidrFirewallEntry("127.0.0.1/8"),
new CidrFirewallEntry("192.168.0.0/16"),
new CidrFirewallEntry("10.0.0.0/8"),
new CidrFirewallEntry("172.16.0.0/12"),
new CidrFirewallEntry("169.254.0.0/16"),
new CidrFirewallEntry("100.64.0.0/10")
];
private static readonly IFirewallEntry[] _privateNetworkV6 =
[
new CidrFirewallEntry("fc00::/7"),
new CidrFirewallEntry("fe80::/10")
];
public static bool IsPrivateNetworkV4(this IPAddress ip)
{
for (var i = 0; i < _privateNetworkV4.Length; i++)
{
if (_privateNetworkV4[i].IsBlocked(ip))
{
return true;
}
}
return false;
}
public static bool IsPrivateNetworkV6(this IPAddress ip) =>
_privateNetworkV6[0].IsBlocked(ip) ||
_privateNetworkV6[1].IsBlocked(ip);
}