X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_dccallow.cpp;h=043486283365bd3f6467c388eb8244f5989aea62;hb=748b3a0d89e7ecc9a766471b79fb78f63a5ca2bb;hp=56345932c56c0d3e92bd43b91a4cb3b0ad2a3815;hpb=0da6b3a13def40e8fd002b9fc60f955467f6372d;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_dccallow.cpp b/src/modules/m_dccallow.cpp
index 56345932c..043486283 100644
--- a/src/modules/m_dccallow.cpp
+++ b/src/modules/m_dccallow.cpp
@@ -1,30 +1,40 @@
-/*       +------------------------------------+
- *       | 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) 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"
 
-/* $ModDesc: Povides support for the /DCCALLOW command */
+#include "inspircd.h"
 
-static ConfigReader *Conf;
+/* $ModDesc: Provides support for the /DCCALLOW command */
 
-class BannedFileList : public classbase
+class BannedFileList
 {
  public:
 	std::string filemask;
 	std::string action;
 };
 
-class DCCAllow : public classbase
+class DCCAllow
 {
  public:
 	std::string nickname;
@@ -43,14 +53,15 @@ typedef std::vector<DCCAllow> dccallowlist;
 dccallowlist* dl;
 typedef std::vector<BannedFileList> bannedfilelist;
 bannedfilelist bfl;
+SimpleExtItem<dccallowlist>* ext;
 
 class CommandDccallow : public Command
 {
  public:
-	CommandDccallow(InspIRCd* Me) : Command(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 */
 	}
 
@@ -90,15 +101,16 @@ class CommandDccallow : public Command
 			}
 
 			std::string nick = parameters[0].substr(1);
-			User *target = ServerInstance->FindNick(nick);
+			User *target = ServerInstance->FindNickOnly(nick);
 
-			if (target)
+			if ((target) && (!IS_SERVER(target)) && (!target->quitting) && (target->registered == REG_ALL))
 			{
 
 				if (action == '-')
 				{
 					// check if it contains any entries
-					if (user->GetExt("dccallow_list", dl))
+					dl = ext->get(user);
+					if (dl)
 					{
 						for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
 						{
@@ -111,22 +123,6 @@ class CommandDccallow : public Command
 							}
 						}
 					}
-					else
-					{
-						delete  dl;
-						user->Shrink("dccallow_list");
-
-						// remove from userlist
-						for (userlist::iterator j = ul.begin(); j != ul.end(); ++j)
-						{
-							User* u = (User*)(*j);
-							if (u == user)
-							{
-								ul.erase(j);
-								break;
-							}
-						}
-					}
 				}
 				else if (action == '+')
 				{
@@ -136,14 +132,21 @@ class CommandDccallow : public Command
 						return CMD_FAILURE;
 					}
 
-					if (!user->GetExt("dccallow_list", dl))
+					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)
@@ -153,8 +156,8 @@ class CommandDccallow : public Command
 						}
 					}
 
-					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 (parameters.size() < 2)
@@ -170,7 +173,7 @@ class CommandDccallow : public Command
 						length = ServerInstance->Duration(parameters[1]);
 					}
 
-					if (!ServerInstance->IsValidMask(mask.c_str()))
+					if (!ServerInstance->IsValidMask(mask))
 					{
 						return CMD_FAILURE;
 					}
@@ -200,9 +203,14 @@ class CommandDccallow : public Command
 		return CMD_FAILURE;
 	}
 
+	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+	{
+		return ROUTE_BROADCAST;
+	}
+
 	void DisplayHelp(User* user)
 	{
-		user->WriteNumeric(998, "%s :DCCALLOW [<+|->nick [time]] [list] [help]", user->nick.c_str());
+		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());
@@ -222,6 +230,10 @@ class CommandDccallow : public Command
 		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(User* user)
@@ -229,7 +241,8 @@ class CommandDccallow : public Command
 		 // display current DCCALLOW list
 		user->WriteNumeric(990, "%s :Users on your DCCALLOW list:", user->nick.c_str());
 
-		if (user->GetExt("dccallow_list", dl))
+		dl = ext->get(user);
+		if (dl)
 		{
 			for (dccallowlist::const_iterator c = dl->begin(); c != dl->end(); ++c)
 			{
@@ -244,38 +257,42 @@ class CommandDccallow : public Command
 
 class ModuleDCCAllow : public Module
 {
-	CommandDccallow* mycommand;
+	CommandDccallow cmd;
  public:
 
-	ModuleDCCAllow(InspIRCd* Me)
-		: Module(Me)
+	ModuleDCCAllow()
+		: cmd(this)
 	{
-		Conf = new ConfigReader(ServerInstance);
-		mycommand = new CommandDccallow(ServerInstance);
-		ServerInstance->AddCommand(mycommand);
-		ReadFileConf();
-		Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserQuit, I_OnUserPreNick, I_OnRehash };
-		ServerInstance->Modules->Attach(eventlist, this, 5);
+		ext = NULL;
 	}
 
+	void init()
+	{
+		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(User* user)
 	{
-		delete Conf;
-		Conf = new ConfigReader(ServerInstance);
 		ReadFileConf();
+		ConfigTag* tag = ServerInstance->Config->ConfValue("dccallow");
+		cmd.maxentries = tag->getInt("maxentries", 20);
 	}
 
 	virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 	{
-		dccallowlist* udl;
+		dccallowlist* udl = ext->get(user);
 
 		// remove their DCCALLOW list if they have one
-		if (user->GetExt("dccallow_list", udl))
+		if (udl)
 		{
-			delete udl;
-			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
@@ -283,22 +300,20 @@ class ModuleDCCAllow : public Module
 		RemoveNick(user);
 	}
 
-
-	virtual int OnUserPreNick(User* user, const std::string &newnick)
+	virtual void OnUserPostNick(User* user, const std::string &oldnick)
 	{
 		RemoveNick(user);
-		return 0;
 	}
 
-	virtual int OnUserPreMessage(User* 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(User* 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)
 		{
@@ -306,7 +321,7 @@ class ModuleDCCAllow : public Module
 
 			/* Always allow a user to dcc themselves (although... why?) */
 			if (user == u)
-				return 0;
+				return MOD_RES_PASSTHRU;
 
 			if ((text.length()) && (text[0] == '\1'))
 			{
@@ -317,11 +332,12 @@ class ModuleDCCAllow : public Module
 
 				if (strncmp(text.c_str(), "\1DCC ", 5) == 0)
 				{
-					if (u->GetExt("dccallow_list", dl) && dl->size())
+					dl = ext->get(u);
+					if (dl && dl->size())
 					{
 						for (dccallowlist::const_iterator iter = dl->begin(); iter != dl->end(); ++iter)
 							if (InspIRCd::Match(user->GetFullHost(), iter->hostmask))
-								return 0;
+								return MOD_RES_PASSTHRU;
 					}
 
 					// tokenize
@@ -332,13 +348,20 @@ class ModuleDCCAllow : public Module
 					while (ss >> buf)
 						tokens.push_back(buf);
 
+					if (tokens.size() < 2)
+						return MOD_RES_PASSTHRU;
+
 					irc::string type = tokens[1].c_str();
 
-					bool blockchat = Conf->ReadFlag("dccallow", "blockchat", 0);
+					ConfigTag* conftag = ServerInstance->Config->ConfValue("dccallow");
+					bool blockchat = conftag->getBool("blockchat");
 
 					if (type == "SEND")
 					{
-						std::string defaultaction = Conf->ReadValue("dccallow", "action", 0);
+						if (tokens.size() < 3)
+							return MOD_RES_PASSTHRU;
+
+						std::string defaultaction = conftag->getString("action");
 						std::string filename = tokens[2];
 
 						bool found = false;
@@ -348,7 +371,7 @@ class ModuleDCCAllow : public Module
 							{
 								/* We have a matching badfile entry, override whatever the default action is */
 								if (bfl[i].action == "allow")
-									return 0;
+									return MOD_RES_PASSTHRU;
 								else
 								{
 									found = true;
@@ -359,32 +382,33 @@ class ModuleDCCAllow : public Module
 
 						/* only follow the default action if no badfile matches were found above */
 						if ((!found) && (defaultaction == "allow"))
-							return 0;
+							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 1;
+						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.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 1;
+						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();)
 		{
 			User* u = (User*)(*iter);
-			if (u->GetExt("dccallow_list", dl))
+			dl = ext->get(u);
+			if (dl)
 			{
 				if (dl->size())
 				{
@@ -402,10 +426,11 @@ class ModuleDCCAllow : public Module
 						}
 					}
 				}
+				++iter;
 			}
 			else
 			{
-				RemoveFromUserlist(u);
+				iter = ul.erase(iter);
 			}
 		}
 	}
@@ -413,10 +438,11 @@ class ModuleDCCAllow : public Module
 	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();)
 		{
 			User *u = (User*)(*iter);
-			if (u->GetExt("dccallow_list", dl))
+			dl = ext->get(u);
+			if (dl)
 			{
 				if (dl->size())
 				{
@@ -432,10 +458,11 @@ class ModuleDCCAllow : public Module
 						}
 					}
 				}
+				++iter;
 			}
 			else
 			{
-				RemoveFromUserlist(u);
+				iter = ul.erase(iter);
 			}
 		}
 	}
@@ -457,25 +484,24 @@ 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("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
+		return Version("Provides support for the /DCCALLOW command", VF_COMMON | VF_VENDOR);
 	}
 };