X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_dccallow.cpp;h=05fff89377f5c09f6d2faf1a097eaf70c0c2040c;hb=e2f1a61fc67500c4c101ff8a3f7847914298375e;hp=817057b8719d0776a02140d9f9106d557e2f6f9c;hpb=c2993f666f8146e75b4039b2b7bffe3455a3ac61;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_dccallow.cpp b/src/modules/m_dccallow.cpp
index 817057b87..05fff8937 100644
--- a/src/modules/m_dccallow.cpp
+++ b/src/modules/m_dccallow.cpp
@@ -1,24 +1,31 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 John Brooks <john.brooks@dereferenced.net>
+ *   Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ *   Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006 Jamie ??? <???@???>
  *
- * 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 "users.h"
-#include "channels.h"
-#include "modules.h"
 
-/* $ModDesc: Povides support for the /DCCALLOW command */
+#include "inspircd.h"
 
-static ConfigReader *Conf;
+/* $ModDesc: Provides support for the /DCCALLOW command */
 
 class BannedFileList
 {
@@ -40,90 +47,78 @@ class DCCAllow
 	DCCAllow(const std::string &nick, const std::string &hm, const time_t so, const long ln) : nickname(nick), hostmask(hm), set_on(so), length(ln) { }
 };
 
-typedef std::vector<userrec *> userlist;
+typedef std::vector<User *> userlist;
 userlist ul;
 typedef std::vector<DCCAllow> dccallowlist;
 dccallowlist* dl;
 typedef std::vector<BannedFileList> bannedfilelist;
 bannedfilelist bfl;
+SimpleExtItem<dccallowlist>* ext;
 
-class cmd_dccallow : public command_t
+class CommandDccallow : public Command
 {
  public:
-	cmd_dccallow(InspIRCd* Me) : command_t(Me, "DCCALLOW", 0, 0)
+	unsigned int maxentries;
+	CommandDccallow(Module* parent) : Command(parent, "DCCALLOW", 0)
 	{
-		this->source = "m_dccallow.so";
-		syntax = "{[+|-]<nick> <time>|HELP|LIST}";
+		syntax = "[(+|-)<nick> [<time>]]|[LIST|HELP]";
+		/* XXX we need to fix this so it can work with translation stuff (i.e. move +- into a seperate param */
 	}
 
-	CmdResult Handle(const char **parameters, int pcnt, userrec *user)
+	CmdResult Handle(const std::vector<std::string> &parameters, User *user)
 	{
 		/* syntax: DCCALLOW [+|-]<nick> (<time>) */
-		if (!pcnt)
+		if (!parameters.size())
 		{
 			// display current DCCALLOW list
 			DisplayDCCAllowList(user);
 			return CMD_FAILURE;
 		}
-		else if (pcnt > 0)
+		else if (parameters.size() > 0)
 		{
-			char action = *parameters[0];
-		
+			char action = *parameters[0].c_str();
+
 			// if they didn't specify an action, this is probably a command
 			if (action != '+' && action != '-')
 			{
-				if (!strcasecmp(parameters[0], "LIST"))
+				if (!strcasecmp(parameters[0].c_str(), "LIST"))
 				{
 					// list current DCCALLOW list
 					DisplayDCCAllowList(user);
 					return CMD_FAILURE;
-				} 
-				else if (!strcasecmp(parameters[0], "HELP"))
+				}
+				else if (!strcasecmp(parameters[0].c_str(), "HELP"))
 				{
 					// display help
 					DisplayHelp(user);
 					return CMD_FAILURE;
 				}
+				else
+				{
+					user->WriteNumeric(998, "%s :DCCALLOW command not understood. For help on DCCALLOW, type /DCCALLOW HELP", user->nick.c_str());
+					return CMD_FAILURE;
+				}
 			}
-			
-			std::string nick = parameters[0] + 1;
-			userrec *target = ServerInstance->FindNick(nick);
-	
-			if (target)
+
+			std::string nick = parameters[0].substr(1);
+			User *target = ServerInstance->FindNickOnly(nick);
+
+			if ((target) && (!IS_SERVER(target)) && (!target->quitting) && (target->registered == REG_ALL))
 			{
-				
+
 				if (action == '-')
 				{
-					user->GetExt("dccallow_list", dl);
 					// check if it contains any entries
+					dl = ext->get(user);
 					if (dl)
 					{
-						if (dl->size())
-						{
-							for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
-							{
-								// search through list
-								if (i->nickname == target->nick)
-								{
-									dl->erase(i);
-									user->WriteServ("995 %s %s :Removed %s from your DCCALLOW list", user->nick, user->nick, target->nick);
-									break;
-								}
-							}
-						}
-					}
-					else
-					{
-						DELETE(dl);
-						user->Shrink("dccallow_list");
-				
-						// remove from userlist
-						for (userlist::iterator j = ul.begin(); j != ul.end(); ++j)
+						for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
 						{
-							userrec* u = (userrec*)(*j);
-							if (u == user)
+							// search through list
+							if (i->nickname == target->nick)
 							{
-								ul.erase(j);
+								dl->erase(i);
+								user->WriteNumeric(995, "%s %s :Removed %s from your DCCALLOW list", user->nick.c_str(), user->nick.c_str(), target->nick.c_str());
 								break;
 							}
 						}
@@ -131,39 +126,45 @@ class cmd_dccallow : public command_t
 				}
 				else if (action == '+')
 				{
-					// fetch current DCCALLOW list
-					user->GetExt("dccallow_list", dl);
-					// they don't have one, create it
+					if (target == user)
+					{
+						user->WriteNumeric(996, "%s %s :You cannot add yourself to your own DCCALLOW list!", user->nick.c_str(), user->nick.c_str());
+						return CMD_FAILURE;
+					}
+
+					dl = ext->get(user);
 					if (!dl)
 					{
 						dl = new dccallowlist;
-						user->Extend("dccallow_list", dl);
+						ext->set(user, dl);
 						// add this user to the userlist
 						ul.push_back(user);
 					}
+
+					if (dl->size() >= maxentries)
+					{
+						user->WriteNumeric(996, "%s %s :Too many nicks on DCCALLOW list", user->nick.c_str(), user->nick.c_str());
+						return CMD_FAILURE;
+					}
+
 					for (dccallowlist::const_iterator k = dl->begin(); k != dl->end(); ++k)
 					{
 						if (k->nickname == target->nick)
 						{
-							user->WriteServ("996 %s %s :%s is already on your DCCALLOW list", user->nick, user->nick, target->nick);
-							return CMD_FAILURE;
-						}
-						else if (ServerInstance->MatchText(user->GetFullHost(), k->hostmask))
-						{
-							user->WriteServ("996 %s %s :You cannot add yourself to your own DCCALLOW list!", user->nick, user->nick);
+							user->WriteNumeric(996, "%s %s :%s is already on your DCCALLOW list", user->nick.c_str(), user->nick.c_str(), target->nick.c_str());
 							return CMD_FAILURE;
 						}
 					}
-				
-					std::string mask = std::string(target->nick)+"!"+std::string(target->ident)+"@"+std::string(target->dhost);
-					std::string default_length = Conf->ReadValue("dccallow", "length", 0);
-		
+
+					std::string mask = target->nick+"!"+target->ident+"@"+target->dhost;
+					std::string default_length = ServerInstance->Config->ConfValue("dccallow")->getString("length");
+
 					long length;
-					if (pcnt < 2)
+					if (parameters.size() < 2)
 					{
 						length = ServerInstance->Duration(default_length);
-					} 
-					else if (!atoi(parameters[1]))
+					}
+					else if (!atoi(parameters[1].c_str()))
 					{
 						length = 0;
 					}
@@ -171,21 +172,21 @@ class cmd_dccallow : public command_t
 					{
 						length = ServerInstance->Duration(parameters[1]);
 					}
-	
-					if (!ServerInstance->IsValidMask(mask.c_str()))
+
+					if (!ServerInstance->IsValidMask(mask))
 					{
 						return CMD_FAILURE;
 					}
-			
+
 					dl->push_back(DCCAllow(target->nick, mask, ServerInstance->Time(), length));
-			
+
 					if (length > 0)
 					{
-						user->WriteServ("993 %s %s :Added %s to DCCALLOW list for %d seconds", user->nick, user->nick, target->nick, length);
+						user->WriteNumeric(993, "%s %s :Added %s to DCCALLOW list for %ld seconds", user->nick.c_str(), user->nick.c_str(), target->nick.c_str(), length);
 					}
 					else
 					{
-						user->WriteServ("994 %s %s :Added %s to DCCALLOW list for this session", user->nick, user->nick, target->nick);
+						user->WriteNumeric(994, "%s %s :Added %s to DCCALLOW list for this session", user->nick.c_str(), user->nick.c_str(), target->nick.c_str());
 					}
 
 					/* route it. */
@@ -195,234 +196,266 @@ class cmd_dccallow : public command_t
 			else
 			{
 				// nick doesn't exist
-				user->WriteServ("401 %s %s :No such nick/channel", user->nick, nick.c_str());
+				user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), nick.c_str());
 				return CMD_FAILURE;
 			}
 		}
 		return CMD_FAILURE;
 	}
 
-	void DisplayHelp(userrec* user)
+	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+	{
+		return ROUTE_BROADCAST;
+	}
+
+	void DisplayHelp(User* user)
 	{
-		user->WriteServ("998 %s :DCCALLOW [<+|->nick [time]] [list] [help]", user->nick);
-		user->WriteServ("998 %s :You may allow DCCs from specific users by specifying a", user->nick);
-		user->WriteServ("998 %s :DCC allow for the user you want to receive DCCs from.", user->nick);
-		user->WriteServ("998 %s :For example, to allow the user Brain to send you inspircd.exe", user->nick);
-		user->WriteServ("998 %s :you would type:", user->nick);
-		user->WriteServ("998 %s :/DCCALLOW +Brain", user->nick);
-		user->WriteServ("998 %s :Brain would then be able to send you files. They would have to", user->nick);
-		user->WriteServ("998 %s :resend the file again if the server gave them an error message", user->nick);
-		user->WriteServ("998 %s :before you added them to your DCCALLOW list.", user->nick);
-		user->WriteServ("998 %s :DCCALLOW entries will be temporary by default, if you want to add", user->nick);
-		user->WriteServ("998 %s :them to your DCCALLOW list until you leave IRC, type:", user->nick);
-		user->WriteServ("998 %s :/DCCALLOW +Brain 0", user->nick);
-		user->WriteServ("998 %s :To remove the user from your DCCALLOW list, type:", user->nick);
-		user->WriteServ("998 %s :/DCCALLOW -Brain", user->nick);
-		user->WriteServ("998 %s :To see the users in your DCCALLOW list, type:", user->nick);
-		user->WriteServ("998 %s :/DCCALLOW LIST", user->nick);
-		user->WriteServ("998 %s :NOTE: If the user leaves IRC or changes their nickname", user->nick);
-		user->WriteServ("998 %s :  they will be removed from your DCCALLOW list.", user->nick);
-		user->WriteServ("998 %s :  your DCCALLOW list will be deleted when you leave IRC.", user->nick);
-		user->WriteServ("999 %s :End of DCCALLOW HELP", user->nick);
+		user->WriteNumeric(998, "%s :DCCALLOW [(+|-)<nick> [<time>]]|[LIST|HELP]", user->nick.c_str());
+		user->WriteNumeric(998, "%s :You may allow DCCs from specific users by specifying a", user->nick.c_str());
+		user->WriteNumeric(998, "%s :DCC allow for the user you want to receive DCCs from.", user->nick.c_str());
+		user->WriteNumeric(998, "%s :For example, to allow the user Brain to send you inspircd.exe", user->nick.c_str());
+		user->WriteNumeric(998, "%s :you would type:", user->nick.c_str());
+		user->WriteNumeric(998, "%s :/DCCALLOW +Brain", user->nick.c_str());
+		user->WriteNumeric(998, "%s :Brain would then be able to send you files. They would have to", user->nick.c_str());
+		user->WriteNumeric(998, "%s :resend the file again if the server gave them an error message", user->nick.c_str());
+		user->WriteNumeric(998, "%s :before you added them to your DCCALLOW list.", user->nick.c_str());
+		user->WriteNumeric(998, "%s :DCCALLOW entries will be temporary by default, if you want to add", user->nick.c_str());
+		user->WriteNumeric(998, "%s :them to your DCCALLOW list until you leave IRC, type:", user->nick.c_str());
+		user->WriteNumeric(998, "%s :/DCCALLOW +Brain 0", user->nick.c_str());
+		user->WriteNumeric(998, "%s :To remove the user from your DCCALLOW list, type:", user->nick.c_str());
+		user->WriteNumeric(998, "%s :/DCCALLOW -Brain", user->nick.c_str());
+		user->WriteNumeric(998, "%s :To see the users in your DCCALLOW list, type:", user->nick.c_str());
+		user->WriteNumeric(998, "%s :/DCCALLOW LIST", user->nick.c_str());
+		user->WriteNumeric(998, "%s :NOTE: If the user leaves IRC or changes their nickname", user->nick.c_str());
+		user->WriteNumeric(998, "%s :  they will be removed from your DCCALLOW list.", user->nick.c_str());
+		user->WriteNumeric(998, "%s :  your DCCALLOW list will be deleted when you leave IRC.", user->nick.c_str());
+		user->WriteNumeric(999, "%s :End of DCCALLOW HELP", user->nick.c_str());
+
+		LocalUser* localuser = IS_LOCAL(user);
+		if (localuser)
+			localuser->CommandFloodPenalty += 4000;
 	}
-	
-	void DisplayDCCAllowList(userrec* user)
+
+	void DisplayDCCAllowList(User* user)
 	{
 		 // display current DCCALLOW list
-		user->WriteServ("990 %s :Users on your DCCALLOW list:", user->nick);
-		user->GetExt("dccallow_list", dl);
-		
+		user->WriteNumeric(990, "%s :Users on your DCCALLOW list:", user->nick.c_str());
+
+		dl = ext->get(user);
 		if (dl)
 		{
 			for (dccallowlist::const_iterator c = dl->begin(); c != dl->end(); ++c)
 			{
-				user->WriteServ("991 %s %s :%s (%s)", user->nick, user->nick, c->nickname.c_str(), c->hostmask.c_str());
+				user->WriteNumeric(991, "%s %s :%s (%s)", user->nick.c_str(), user->nick.c_str(), c->nickname.c_str(), c->hostmask.c_str());
 			}
 		}
-		
-		user->WriteServ("992 %s :End of DCCALLOW list", user->nick);
-	}			
+
+		user->WriteNumeric(992, "%s :End of DCCALLOW list", user->nick.c_str());
+	}
 
 };
-	
+
 class ModuleDCCAllow : public Module
 {
-	cmd_dccallow* mycommand;
+	CommandDccallow cmd;
  public:
 
-	ModuleDCCAllow(InspIRCd* Me)
-		: Module(Me)
+	ModuleDCCAllow()
+		: cmd(this)
 	{
-		Conf = new ConfigReader(ServerInstance);
-		mycommand = new cmd_dccallow(ServerInstance);
-		ServerInstance->AddCommand(mycommand);
-		ReadFileConf();
+		ext = NULL;
 	}
 
-	void Implements(char* List)
+	void init()
 	{
-		List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserQuit] = List[I_OnUserPreNick] = List[I_OnRehash] = 1;
+		ext = new SimpleExtItem<dccallowlist>("dccallow", this);
+		ServerInstance->Modules->AddService(*ext);
+		ServerInstance->Modules->AddService(cmd);
+		OnRehash(NULL);
+		Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserQuit, I_OnUserPostNick, I_OnRehash };
+		ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 	}
 
-	virtual void OnRehash(userrec* user, const std::string &parameter)
+	virtual void OnRehash(User* user)
 	{
-		delete Conf;
-		Conf = new ConfigReader(ServerInstance);
+		ReadFileConf();
+		ConfigTag* tag = ServerInstance->Config->ConfValue("dccallow");
+		cmd.maxentries = tag->getInt("maxentries", 20);
 	}
 
-	virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
+	virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 	{
-		dccallowlist* dl;
-	
+		dccallowlist* udl = ext->get(user);
+
 		// remove their DCCALLOW list if they have one
-		user->GetExt("dccallow_list", dl);
-		if (dl)
+		if (udl)
 		{
-			DELETE(dl);
-			user->Shrink("dccallow_list");
-			RemoveFromUserlist(user);
+			userlist::iterator it = std::find(ul.begin(), ul.end(), user);
+			if (it != ul.end())
+				ul.erase(it);
 		}
-		
+
 		// remove them from any DCCALLOW lists
 		// they are currently on
 		RemoveNick(user);
 	}
 
-
-	virtual int OnUserPreNick(userrec* user, const std::string &newnick)
+	virtual void OnUserPostNick(User* user, const std::string &oldnick)
 	{
 		RemoveNick(user);
-		return 0;
 	}
 
-	virtual int OnUserPreMessage(userrec* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
+	virtual ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
 	{
 		return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);
 	}
 
-	virtual int OnUserPreNotice(userrec* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
+	virtual ModResult OnUserPreNotice(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
 	{
 		if (!IS_LOCAL(user))
-			return 0;
+			return MOD_RES_PASSTHRU;
 
 		if (target_type == TYPE_USER)
 		{
-			userrec* u = (userrec*)dest;
+			User* u = (User*)dest;
 
 			/* Always allow a user to dcc themselves (although... why?) */
 			if (user == u)
-				return 0;
-		
+				return MOD_RES_PASSTHRU;
+
 			if ((text.length()) && (text[0] == '\1'))
 			{
 				Expire();
 
 				// :jamie!jamie@test-D4457903BA652E0F.silverdream.org PRIVMSG eimaj :DCC SEND m_dnsbl.cpp 3232235786 52650 9676
 				// :jamie!jamie@test-D4457903BA652E0F.silverdream.org PRIVMSG eimaj :VERSION
-					
+
 				if (strncmp(text.c_str(), "\1DCC ", 5) == 0)
 				{
-					u->GetExt("dccallow_list", dl);
-		
+					dl = ext->get(u);
 					if (dl && dl->size())
 					{
 						for (dccallowlist::const_iterator iter = dl->begin(); iter != dl->end(); ++iter)
-							if (ServerInstance->MatchText(user->GetFullHost(), iter->hostmask))
-								return 0;
+							if (InspIRCd::Match(user->GetFullHost(), iter->hostmask))
+								return MOD_RES_PASSTHRU;
 					}
-		
-					// tokenize
-					std::stringstream ss(text);
-					std::string buf;
-					std::vector<std::string> tokens;
-		
-					while (ss >> buf)
-						tokens.push_back(buf);
-		
-					irc::string type = tokens[1].c_str();
-		
-					bool blockchat = Conf->ReadFlag("dccallow", "blockchat", 0);
-		
+
+					std::string buf = text.substr(5);
+					size_t s = buf.find(' ');
+					if (s == std::string::npos)
+						return MOD_RES_PASSTHRU;
+
+					irc::string type = assign(buf.substr(0, s));
+
+					ConfigTag* conftag = ServerInstance->Config->ConfValue("dccallow");
+					bool blockchat = conftag->getBool("blockchat");
+
 					if (type == "SEND")
 					{
-						std::string defaultaction = Conf->ReadValue("dccallow", "action", 0);
-						std::string filename = tokens[2];
-					
-						if (defaultaction == "allow") 
-							return 0;
-				
+						size_t first;
+
+						buf = buf.substr(s + 1);
+
+						if (!buf.empty() && buf[0] == '"')
+						{
+							s = buf.find('"', 1);
+
+							if (s == std::string::npos || s <= 1)
+								return MOD_RES_PASSTHRU;
+
+							--s;
+							first = 1;
+						}
+						else
+						{
+							s = buf.find(' ');
+							first = 0;
+						}
+
+						if (s == std::string::npos)
+							return MOD_RES_PASSTHRU;
+
+						std::string defaultaction = conftag->getString("action");
+						std::string filename = buf.substr(first, s);
+
+						bool found = false;
 						for (unsigned int i = 0; i < bfl.size(); i++)
 						{
-							if (ServerInstance->MatchText(filename, bfl[i].filemask))
+							if (InspIRCd::Match(filename, bfl[i].filemask, ascii_case_insensitive_map))
 							{
+								/* We have a matching badfile entry, override whatever the default action is */
 								if (bfl[i].action == "allow")
-									return 0;
-							}
-							else
-							{
-								if (defaultaction == "allow")
-									return 0;
+									return MOD_RES_PASSTHRU;
+								else
+								{
+									found = true;
+									break;
+								}
 							}
-							user->WriteServ("NOTICE %s :The user %s is not accepting DCC SENDs from you. Your file %s was not sent.", user->nick, u->nick, filename.c_str());
-							u->WriteServ("NOTICE %s :%s (%s@%s) attempted to send you a file named %s, which was blocked.", u->nick, user->nick, user->ident, user->dhost, filename.c_str());
-							u->WriteServ("NOTICE %s :If you trust %s and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.", u->nick, user->nick);
-							return 1;
 						}
+
+						/* only follow the default action if no badfile matches were found above */
+						if ((!found) && (defaultaction == "allow"))
+							return MOD_RES_PASSTHRU;
+
+						user->WriteServ("NOTICE %s :The user %s is not accepting DCC SENDs from you. Your file %s was not sent.", user->nick.c_str(), u->nick.c_str(), filename.c_str());
+						u->WriteServ("NOTICE %s :%s (%s@%s) attempted to send you a file named %s, which was blocked.", u->nick.c_str(), user->nick.c_str(), user->ident.c_str(), user->dhost.c_str(), filename.c_str());
+						u->WriteServ("NOTICE %s :If you trust %s and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.", u->nick.c_str(), user->nick.c_str());
+						return MOD_RES_DENY;
 					}
 					else if ((type == "CHAT") && (blockchat))
 					{
-						user->WriteServ("NOTICE %s :The user %s is not accepting DCC CHAT requests from you.", user->nick, u->nick);
-						u->WriteServ("NOTICE %s :%s (%s@%s) attempted to initiate a DCC CHAT session, which was blocked.", u->nick, user->nick, user->ident, user->dhost);
-						u->WriteServ("NOTICE %s :If you trust %s and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.", u->nick, user->nick);
-						return 1;
+						user->WriteServ("NOTICE %s :The user %s is not accepting DCC CHAT requests from you.", user->nick.c_str(), u->nick.c_str());
+						u->WriteServ("NOTICE %s :%s (%s@%s) attempted to initiate a DCC CHAT session, which was blocked.", u->nick.c_str(), user->nick.c_str(), user->ident.c_str(), user->dhost.c_str());
+						u->WriteServ("NOTICE %s :If you trust %s and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.", u->nick.c_str(), user->nick.c_str());
+						return MOD_RES_DENY;
 					}
 				}
 			}
 		}
-		return 0;
+		return MOD_RES_PASSTHRU;
 	}
-	
+
 	void Expire()
 	{
-		for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
+		for (userlist::iterator iter = ul.begin(); iter != ul.end();)
 		{
-			userrec* u = (userrec*)(*iter);
-			u->GetExt("dccallow_list", dl);
-	
+			User* u = (User*)(*iter);
+			dl = ext->get(u);
 			if (dl)
 			{
 				if (dl->size())
 				{
-					dccallowlist::iterator iter = dl->begin();
-					while (iter != dl->end())
+					dccallowlist::iterator iter2 = dl->begin();
+					while (iter2 != dl->end())
 					{
-						if ((iter->set_on + iter->length) <= ServerInstance->Time())
+						if (iter2->length != 0 && (iter2->set_on + iter2->length) <= ServerInstance->Time())
 						{
-							u->WriteServ("997 %s %s :DCCALLOW entry for %s has expired", u->nick, u->nick, iter->nickname.c_str());
-							iter = dl->erase(iter);
+							u->WriteNumeric(997, "%s %s :DCCALLOW entry for %s has expired", u->nick.c_str(), u->nick.c_str(), iter2->nickname.c_str());
+							iter2 = dl->erase(iter2);
 						}
 						else
 						{
-							++iter;
+							++iter2;
 						}
 					}
 				}
+				++iter;
 			}
 			else
 			{
-				RemoveFromUserlist(u);
+				iter = ul.erase(iter);
 			}
 		}
 	}
-	
-	void RemoveNick(userrec* user)
+
+	void RemoveNick(User* user)
 	{
 		/* Iterate through all DCCALLOW lists and remove user */
-		for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
+		for (userlist::iterator iter = ul.begin(); iter != ul.end();)
 		{
-			userrec *u = (userrec*)(*iter);
-			u->GetExt("dccallow_list", dl);
-	
+			User *u = (User*)(*iter);
+			dl = ext->get(u);
 			if (dl)
 			{
 				if (dl->size())
@@ -431,28 +464,29 @@ class ModuleDCCAllow : public Module
 					{
 						if (i->nickname == user->nick)
 						{
-					
-							u->WriteServ("NOTICE %s :%s left the network or changed their nickname and has been removed from your DCCALLOW list", u->nick, i->nickname.c_str());
-							u->WriteServ("995 %s %s :Removed %s from your DCCALLOW list", u->nick, u->nick, i->nickname.c_str());
+
+							u->WriteServ("NOTICE %s :%s left the network or changed their nickname and has been removed from your DCCALLOW list", u->nick.c_str(), i->nickname.c_str());
+							u->WriteNumeric(995, "%s %s :Removed %s from your DCCALLOW list", u->nick.c_str(), u->nick.c_str(), i->nickname.c_str());
 							dl->erase(i);
 							break;
 						}
 					}
 				}
+				++iter;
 			}
 			else
 			{
-				RemoveFromUserlist(u);
+				iter = ul.erase(iter);
 			}
 		}
 	}
 
-	void RemoveFromUserlist(userrec *user)
+	void RemoveFromUserlist(User *user)
 	{
 		// remove user from userlist
 		for (userlist::iterator j = ul.begin(); j != ul.end(); ++j)
 		{
-			userrec* u = (userrec*)(*j);
+			User* u = (User*)(*j);
 			if (u == user)
 			{
 				ul.erase(j);
@@ -464,47 +498,25 @@ class ModuleDCCAllow : public Module
 	void ReadFileConf()
 	{
 		bfl.clear();
-		for (int i = 0; i < Conf->Enumerate("banfile"); i++)
+		ConfigTagList tags = ServerInstance->Config->ConfTags("banfile");
+		for (ConfigIter i = tags.first; i != tags.second; ++i)
 		{
 			BannedFileList bf;
-			std::string fileglob = Conf->ReadValue("banfile", "pattern", i);
-			std::string action = Conf->ReadValue("banfile", "action", i);
-			bf.filemask = fileglob;
-			bf.action = action;
+			bf.filemask = i->second->getString("pattern");
+			bf.action = i->second->getString("action");
 			bfl.push_back(bf);
 		}
-	
 	}
 
 	virtual ~ModuleDCCAllow()
 	{
+		delete ext;
 	}
 
 	virtual Version GetVersion()
 	{
-		return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
+		return Version("Provides support for the /DCCALLOW command", VF_COMMON | VF_VENDOR);
 	}
 };
 
-class ModuleDCCAllowFactory : public ModuleFactory
-{
- public:
-	ModuleDCCAllowFactory()
-	{
-	}
-
-	~ModuleDCCAllowFactory()
-	{
-	}
-
-	virtual Module * CreateModule(InspIRCd* Me)
-	{
-		return new ModuleDCCAllow(Me);
-	}
-
-};
-
-extern "C" DllExport void * init_module( void )
-{
-	return new ModuleDCCAllowFactory;
-}
+MODULE_INIT(ModuleDCCAllow)