X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_connectban.cpp;h=26120add984381529a736bcd3af0f8b67b4e0d61;hb=e6601069038c35c546fd3f3dce95024b0d13f1b4;hp=ae464a16cc3430b17673aa4e13986d85088a4616;hpb=7a672d42e4173e274ac0ee31331d41e45801facc;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_connectban.cpp b/src/modules/m_connectban.cpp
index ae464a16c..26120add9 100644
--- a/src/modules/m_connectban.cpp
+++ b/src/modules/m_connectban.cpp
@@ -1,20 +1,26 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #include "inspircd.h"
 #include "xline.h"
 
-/* $ModDesc: Throttles the connections of any users who try connect flood */
+/* $ModDesc: Throttles the connections of IP ranges who try to connect flood. */
 
 class ModuleConnectBan : public Module
 {
@@ -25,10 +31,10 @@ class ModuleConnectBan : public Module
 	unsigned int ipv4_cidr;
 	unsigned int ipv6_cidr;
  public:
-	ModuleConnectBan(InspIRCd* Me) : Module(Me)
+	void init()
 	{
-		Implementation eventlist[] = { I_OnUserConnect, I_OnGarbageCollect, I_OnRehash };
-		ServerInstance->Modules->Attach(eventlist, this, 3);
+		Implementation eventlist[] = { I_OnSetUserIP, I_OnGarbageCollect, I_OnRehash };
+		ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 		OnRehash(NULL);
 	}
 
@@ -38,37 +44,35 @@ class ModuleConnectBan : public Module
 
 	virtual Version GetVersion()
 	{
-		return Version("$Id$", VF_VENDOR,API_VERSION);
+		return Version("Throttles the connections of IP ranges who try to connect flood.", VF_VENDOR);
 	}
 
 	virtual void OnRehash(User* user)
 	{
-		ConfigReader Conf(ServerInstance);
-		std::string duration;
+		ConfigTag* tag = ServerInstance->Config->ConfValue("connectban");
 
-		ipv4_cidr = Conf.ReadInteger("connectban", "ipv4cidr", 0, true);
+		ipv4_cidr = tag->getInt("ipv4cidr", 32);
 		if (ipv4_cidr == 0)
 			ipv4_cidr = 32;
 
-		ipv6_cidr = Conf.ReadInteger("connectban", "ipv6cidr", 0, true);
+		ipv6_cidr = tag->getInt("ipv6cidr", 128);
 		if (ipv6_cidr == 0)
 			ipv6_cidr = 128;
 
-		threshold = Conf.ReadInteger("connectban", "threshold", 0, true);
-
+		threshold = tag->getInt("threshold", 10);
 		if (threshold == 0)
 			threshold = 10;
 
-		duration = Conf.ReadValue("connectban", "duration", 0, true);
-
-		if (duration.empty())
-			duration = "10m";
-
-		banduration = ServerInstance->Duration(duration);
+		banduration = ServerInstance->Duration(tag->getString("duration", "10m"));
+		if (banduration == 0)
+			banduration = 10*60;
 	}
 
-	virtual void OnUserConnect(User *u)
+	virtual void OnSetUserIP(LocalUser* u)
 	{
+		if (u->exempt)
+			return;
+
 		int range = 32;
 		clonemap::iterator i;
 
@@ -82,7 +86,8 @@ class ModuleConnectBan : public Module
 			break;
 		}
 
-		i = connects.find(u->GetCIDRMask(range));
+		irc::sockets::cidr_mask mask(u->client_sa, range);
+		i = connects.find(mask);
 
 		if (i != connects.end())
 		{
@@ -91,19 +96,24 @@ class ModuleConnectBan : public Module
 			if (i->second >= threshold)
 			{
 				// Create zline for set duration.
-				ZLine* zl = new ZLine(ServerInstance, ServerInstance->Time(), banduration, ServerInstance->Config->ServerName, "Connect flooding", u->GetCIDRMask(range));
-				if (ServerInstance->XLines->AddLine(zl,NULL))
-					ServerInstance->XLines->ApplyLines();
-				else
+				ZLine* zl = new ZLine(ServerInstance->Time(), banduration, ServerInstance->Config->ServerName, "Your IP range has been attempting to connect too many times in too short a duration. Wait a while, and you will be able to connect.", mask.str());
+				if (!ServerInstance->XLines->AddLine(zl, NULL))
+				{
 					delete zl;
-
-				ServerInstance->SNO->WriteToSnoMask('x', "Connect flooding from IP range %s (%d)", u->GetCIDRMask(range), threshold);
+					return;
+				}
+				ServerInstance->XLines->ApplyLines();
+				std::string maskstr = mask.str();
+				std::string timestr = ServerInstance->TimeString(zl->expiry);
+				ServerInstance->SNO->WriteGlobalSno('x',"Module m_connectban added Z:line on *@%s to expire on %s: Connect flooding",
+					maskstr.c_str(), timestr.c_str());
+				ServerInstance->SNO->WriteGlobalSno('a', "Connect flooding from IP range %s (%d)", maskstr.c_str(), threshold);
 				connects.erase(i);
 			}
 		}
 		else
 		{
-			connects[u->GetCIDRMask(range)] = 1;
+			connects[mask] = 1;
 		}
 	}