warrentyexpired/ModernUO
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Cleanup and adds configuration for crashguard (#240)

Browse source
This commit is contained in:
Kamron Batman 2020-09-12 01:57:07 -07:00 • committed by GitHub
parent 55ae0f8778
commit 7dbfa086bc
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
39 changed files with 1248 additions and 97 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Projects/UOContent/Accounting/AccountAttackLimiter.cs
View file

@ -6,7 +6,7 @@ using Server.Network;
namespace Server.Accounting
{
public class AccountAttackLimiter
public static class AccountAttackLimiter
{
public static bool Enabled;
@ -20,7 +20,9 @@ namespace Server.Accounting
public static void Initialize()
{
if (!Enabled)
{
return;
}
PacketHandlers.RegisterThrottler(0x80, Throttle_Callback);
PacketHandlers.RegisterThrottler(0x91, Throttle_Callback);
@ -32,7 +34,9 @@ namespace Server.Accounting
var accessLog = FindAccessLog(ns);
if (accessLog == null)
{
return TimeSpan.Zero;
}
var date = DateTime.UtcNow;
var access = accessLog.LastAccessTime + ComputeThrottle(accessLog.Counts);
@ -42,7 +46,9 @@ namespace Server.Accounting
public static InvalidAccountAccessLog FindAccessLog(NetState ns)
{
if (ns == null)
{
return null;
}
var ipAddress = ns.Address;
@ -51,9 +57,13 @@ namespace Server.Accounting
var accessLog = m_List[i];
if (accessLog.HasExpired)
{
m_List.RemoveAt(i--);
}
else if (accessLog.Address.Equals(ipAddress))
{
return accessLog;
}
}
return null;
@ -62,17 +72,22 @@ namespace Server.Accounting
public static void RegisterInvalidAccess(NetState ns)
{
if (ns == null || !Enabled)
{
return;
}
var accessLog = FindAccessLog(ns);
if (accessLog == null)
{
m_List.Add(accessLog = new InvalidAccountAccessLog(ns.Address));
}
accessLog.Counts += 1;
accessLog.RefreshAccessTime();
if (accessLog.Counts >= 3)
{
try
{
using var op = new StreamWriter("throttle.log", true);
@ -87,24 +102,35 @@ namespace Server.Accounting
{
// ignored
}
}
}
public static TimeSpan ComputeThrottle(int counts)
{
if (counts >= 15)
{
return TimeSpan.FromMinutes(5.0);
}
if (counts >= 10)
{
return TimeSpan.FromMinutes(1.0);
}
if (counts >= 5)
{
return TimeSpan.FromSeconds(20.0);
}
if (counts >= 3)
{
return TimeSpan.FromSeconds(10.0);
}
if (counts >= 1)
{
return TimeSpan.FromSeconds(2.0);
}
return TimeSpan.Zero;
}