]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_dccallow.cpp
And these
[user/henk/code/inspircd.git] / src / modules / m_dccallow.cpp
index 033138a9823c70d262f03a4068491995dfb041ae..a18979878ff6738a32c25713b05f8f800825d8c3 100644 (file)
- /* m_dccallow - Jamie Penman-Smithson <jamie@silverdream.org> - September 2006 */
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
 
-using namespace std;
-
-#include <stdio.h>
-#include <vector>
-#include <string.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
 #include "inspircd.h"
 
 /* $ModDesc: Povides support for the /DCCALLOW command */
 
 static ConfigReader *Conf;
 
-class BannedFileList
+class BannedFileList : public classbase
 {
  public:
-    std::string filemask;
-    std::string action;
+       std::string filemask;
+       std::string action;
 };
 
-class DCCAllow
+class DCCAllow : public classbase
 {
  public:
-    std::string nickname;
-    std::string hostmask;
-    time_t set_on;
-    long length;
+       std::string nickname;
+       std::string hostmask;
+       time_t set_on;
+       long length;
 
-    DCCAllow() { }
+       DCCAllow() { }
 
-    DCCAllow(std::string nick, std::string hm, time_t so, long ln) : nickname(nick), hostmask(hm), set_on(so), length(ln) { }
+       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;
 
-class cmd_dccallow : public command_t
+class CommandDccallow : public Command
 {
  public:
-    cmd_dccallow(InspIRCd* Me) : command_t(Me, "DCCALLOW", 0, 0)
-    {
-        this->source = "m_dccallow.so";
-        syntax = "{[+|-]<nick> <time>}";
-    }
-
-    CmdResult Handle(const char **parameters, int pcnt, userrec *user)
-    {
-        /* syntax: DCCALLOW [+|-]<nick> (<time>) */
-        
-        if (!pcnt)
-        {
-            // display current DCCALLOW list
-            DisplayDCCAllowList(user);
-
-            return CMD_SUCCESS;
-        }
-        else if (pcnt > 0)
-        {
-            char action = *parameters[0];
-        
-            // if they didn't specify an action, this is probably a command
-            if (action != '+' && action != '-')
-            {
-                if (strcmp(parameters[0], "LIST") == 0 || strcmp(parameters[0], "list") == 0)
-                {
-                    // list current DCCALLOW list
-                    DisplayDCCAllowList(user);
-                    return CMD_SUCCESS;
-                } 
-                else if (strcmp(parameters[0], "HELP") == 0 || strcmp(parameters[0], "help") == 0)
-                {
-                    // display help
-                    DisplayHelp(user);
-                    return CMD_SUCCESS;
-                }
-            }
-                
-            std::string nick = parameters[0] + 1;
-            userrec *target = ServerInstance->FindNick(nick);
-
-            if (target)
-            {
-                ServerInstance->Log(DEBUG, "m_dccallow.so: got target %s and action %c", target->nick, action);
-                            
-                if (action == '-')
-                {
-                    user->GetExt("dccallow_list", dl);
-                    // check if it contains any entries
-                    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)
-                        {
-                            userrec* u = (userrec*)(*j);
-                            if (u->nick == user->nick)
-                            {
-                                ul.erase(j);
-                                break;
-                            }
-                        }
-                    }
-                }
-                else if (action == '+')
-                {
-                    // fetch current DCCALLOW list
-                    user->GetExt("dccallow_list", dl);
-                    // they don't have one, create it
-                    if (!dl)
-                    {
-                        dl = new dccallowlist;
-                        user->Extend(std::string("dccallow_list"), dl);
-                        // add this user to the userlist
-                        ul.push_back(user);
-                    }
-                    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_SUCCESS;
-                        }
-                    }
-                
-                    std::string mask = std::string(target->nick)+"!"+std::string(target->ident)+"@"+std::string(target->dhost);
-                    const char* default_length = Conf->ReadValue("dccallow", "length", 0).c_str();
-
-                    long length;
-                    if (pcnt == 1 || ServerInstance->Duration(parameters[1]) < 1)
-                    {
-                        length = ServerInstance->Duration(default_length);
-                    } 
-                    else if (parameters[1] == 0)
-                    {
-                        length = 0;
-                    }
-                    else
-                    {
-                        length = ServerInstance->Duration(parameters[1]);
-                    }
-
-                    if (!ServerInstance->IsValidMask(mask.c_str()))
-                    {
-                        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);
-                    }
-                    else
-                    {
-                        user->WriteServ("994 %s %s :Added %s to DCCALLOW list for this session", user->nick, user->nick, target->nick);
-                    }
-                    
-                    return CMD_SUCCESS;
-                }
-            }
-            else
-            {
-                // nick doesn't exist
-                user->WriteServ("401 %s %s :No such nick/channel", user->nick, nick.c_str());
-                return CMD_FAILURE;
-            }
-        }
-    return CMD_SUCCESS;
-    }
-
-    void DisplayHelp(userrec* 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);
-    }
-
-    void DisplayDCCAllowList(userrec* user)
-    {
-         // display current DCCALLOW list
-        user->WriteServ("990 %s :Users on your DCCALLOW list:", user->nick);
-        user->GetExt("dccallow_list", dl);
-        
-        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->WriteServ("992 %s :End of DCCALLOW list", user->nick);
-    }                        
+       CommandDccallow(InspIRCd* Me) : Command(Me, "DCCALLOW", 0, 0)
+       {
+               this->source = "m_dccallow.so";
+               syntax = "{[+|-]<nick> <time>|HELP|LIST}";
+               /* XXX we need to fix this so it can work with translation stuff (i.e. move +- into a seperate param */
+       }
+
+       CmdResult Handle(const std::vector<std::string> &parameters, User *user)
+       {
+               /* syntax: DCCALLOW [+|-]<nick> (<time>) */
+               if (!parameters.size())
+               {
+                       // display current DCCALLOW list
+                       DisplayDCCAllowList(user);
+                       return CMD_FAILURE;
+               }
+               else if (parameters.size() > 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].c_str(), "LIST"))
+                               {
+                                       // list current DCCALLOW list
+                                       DisplayDCCAllowList(user);
+                                       return CMD_FAILURE;
+                               } 
+                               else if (!strcasecmp(parameters[0].c_str(), "HELP"))
+                               {
+                                       // display help
+                                       DisplayHelp(user);
+                                       return CMD_FAILURE;
+                               }
+                       }
+                       
+                       std::string nick = parameters[0].substr(1);
+                       User *target = ServerInstance->FindNick(nick);
+       
+                       if (target)
+                       {
+                               
+                               if (action == '-')
+                               {
+                                       // check if it contains any entries
+                                       if (user->GetExt("dccallow_list", dl))
+                                       {
+                                               for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
+                                               {
+                                                       // search through list
+                                                       if (i->nickname == target->nick)
+                                                       {
+                                                               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;
+                                                       }
+                                               }
+                                       }
+                                       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 == '+')
+                               {
+                                       if (!user->GetExt("dccallow_list", dl))
+                                       {
+                                               dl = new dccallowlist;
+                                               user->Extend("dccallow_list", dl);
+                                               // add this user to the userlist
+                                               ul.push_back(user);
+                                       }
+                                       for (dccallowlist::const_iterator k = dl->begin(); k != dl->end(); ++k)
+                                       {
+                                               if (k->nickname == target->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;
+                                               }
+                                               else if (ServerInstance->MatchText(user->GetFullHost(), k->hostmask))
+                                               {
+                                                       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;
+                                               }
+                                       }
+                               
+                                       std::string mask = std::string(target->nick)+"!"+std::string(target->ident)+"@"+std::string(target->dhost);
+                                       std::string default_length = Conf->ReadValue("dccallow", "length", 0);
+               
+                                       long length;
+                                       if (parameters.size() < 2)
+                                       {
+                                               length = ServerInstance->Duration(default_length);
+                                       } 
+                                       else if (!atoi(parameters[1].c_str()))
+                                       {
+                                               length = 0;
+                                       }
+                                       else
+                                       {
+                                               length = ServerInstance->Duration(parameters[1]);
+                                       }
+       
+                                       if (!ServerInstance->IsValidMask(mask.c_str()))
+                                       {
+                                               return CMD_FAILURE;
+                                       }
+                       
+                                       dl->push_back(DCCAllow(target->nick, mask, ServerInstance->Time(), length));
+                       
+                                       if (length > 0)
+                                       {
+                                               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->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. */
+                                       return CMD_SUCCESS;
+                               }
+                       }
+                       else
+                       {
+                               // nick doesn't exist
+                               user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), nick.c_str());
+                               return CMD_FAILURE;
+                       }
+               }
+               return CMD_FAILURE;
+       }
+
+       void DisplayHelp(User* user)
+       {
+               user->WriteNumeric(998, "%s :DCCALLOW [<+|->nick.c_str() [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());
+       }
+       
+       void DisplayDCCAllowList(User* user)
+       {
+                // display current DCCALLOW list
+               user->WriteNumeric(990, "%s :Users on your DCCALLOW list:", user->nick.c_str());
+       
+               if (user->GetExt("dccallow_list", dl))
+               {
+                       for (dccallowlist::const_iterator c = dl->begin(); c != dl->end(); ++c)
+                       {
+                               user->WriteNumeric(991, "%s %s :%s (%s)", user->nick.c_str(), user->nick.c_str(), c->nickname.c_str(), c->hostmask.c_str());
+                       }
+               }
+               
+               user->WriteNumeric(992, "%s :End of DCCALLOW list", user->nick.c_str());
+       }                       
 
 };
-        
+       
 class ModuleDCCAllow : public Module
 {
-    cmd_dccallow* mycommand;
-
+       CommandDccallow* mycommand;
  public:
-    ModuleDCCAllow(InspIRCd* Me)
-        : Module::Module(Me)
-    {
-        Conf = new ConfigReader(ServerInstance);
-        mycommand = new cmd_dccallow(ServerInstance);
-        ServerInstance->AddCommand(mycommand);
-        ReadFileConf();
-    }
-
-    void Implements(char* List)
-    {
-        List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserQuit] = List[I_OnUserPreNick] = List[I_OnRehash] = 1;
-    }
-
-    virtual void OnRehash(const std::string &parameter)
-    {
-                delete Conf;
-        Conf = new ConfigReader(ServerInstance);
-    }
-
-    virtual void OnUserQuit(userrec* user, const std::string &reason)
-    {
-        dccallowlist* dl;
-
-        // remove their DCCALLOW list if they have one
-        user->GetExt("dccallow_list", dl);
-        if (dl)
-        {
-            DELETE(dl);
-            user->Shrink("dccallow_list");
-            RemoveFromUserlist(user);
-        }
-        
-        // remove them from any DCCALLOW lists
-        // they are currently on
-        RemoveNick(user);
-    }
-
-
-    virtual int OnUserPreNick(userrec* user, const std::string &newnick)
-    {
-        RemoveNick(user);
-        return 0;
-    }
-    
-    virtual int OnUserPreMessage(userrec* user, void* dest, int target_type, std::string &text, char status)
-    {
-        return OnUserPreNotice(user, dest, target_type, text, status);
-    }
-
-    virtual int OnUserPreNotice(userrec* user, void* dest, int target_type, std::string &text, char status)
-    {
-        Expire();
-
-        if (target_type == TYPE_USER)
-        {
-            userrec* u = (userrec*)dest;
-            
-            if ((text.length()) && (text[0] == '\1'))
-            {
-                // :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);
-
-                    if (dl)
-                    {
-                        if (dl->size())
-                        {
-                            for (dccallowlist::const_iterator iter = dl->begin(); iter != dl->end(); ++iter)
-                            {
-                                if (ServerInstance->MatchText(user->GetFullHost(), iter->hostmask))
-                                {
-                                    return 0;
-                                }
-                            }
-                        }
-                    }
 
-                    // tokenize
-                    stringstream ss(text);
-                    std::string buf;
-                    vector<string> tokens;
-
-                    while (ss >> buf)
-                        tokens.push_back(buf);
-
-                    std::string type = tokens[1];
-                    ServerInstance->Log(DEBUG, "m_dccallow.so: got DCC type %s", type.c_str());
-
-                    const char* blockchat = Conf->ReadValue("dccallow", "blockchat", 0).c_str();
-                    ServerInstance->Log(DEBUG, "m_dccallow.so: got blockchat: %s", blockchat);
-
-                    if (type == "SEND")
-                    {
-                        const char* defaultaction = Conf->ReadValue("dccallow", "action", 0).c_str();
-                        std::string filename = tokens[2];
-                        
-                        if (strcmp(defaultaction, "allow") == 0) 
-                        {
-                            return 0;
-                        }
-                        
-                        for (unsigned int i = 0; i < bfl.size(); i++)
-                        {
-                            if (ServerInstance->MatchText(filename, bfl[i].filemask))
-                            {
-                                if (strcmp(bfl[i].action.c_str(), "allow") == 0)
-                                {
-                                    return 0;
-                                }
-                            }
-                            else
-                            {
-                                if (strcmp(defaultaction, "allow") == 0)
-                                {
-                                    return 0;
-                                }
-                            }
-                            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);
-                        }
-                    }
-                    else if ((type == "CHAT") && (strcmp(blockchat, "yes") == 0))
-                    {
-                        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;    
-                }
-            }
-        }
-        return 0;
-    }
-
-    void Expire()
-    {
-        for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
-        {
-            userrec* u = (userrec*)(*iter);
-            u->GetExt("dccallow_list", dl);
-
-            if (dl)
-            {
-                if (dl->size())
-                {
-                    dccallowlist::iterator iter = dl->begin();
-                    while (iter != dl->end())
-                    {
-                        if ((iter->set_on + iter->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);
-                        }
-                        else
-                        {
-                            ++iter;
-                        }
-                    }
-                }
-            }
-            else
-            {
-                DELETE(dl);
-                u->Shrink("dccallow_list");
-                RemoveFromUserlist(u);
-                ServerInstance->Log(DEBUG, "m_dccallow.so: UH OH! Couldn't get DCCALLOW list for %s", u->nick);
-            }
-        }
-    }
-
-    void RemoveNick(userrec* user)
-    {
-        /* Iterate through all DCCALLOW lists and remove user */
-        for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
-        {
-            userrec *u = (userrec*)(*iter);
-            u->GetExt("dccallow_list", dl);
-
-            if (dl)
-            {
-                if (dl->size())
-                {
-                    for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
-                    {
-                        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());
-                            dl->erase(i);
-                            break;
-                        }
-                    }
-                }
-            }
-            else
-            {
-                DELETE(dl);
-                u->Shrink("dccallow_list");
-                RemoveFromUserlist(u);
-            }
-        }
-    }
-
-    void RemoveFromUserlist(userrec *user)
-    {
-        // remove user from userlist
-        for (userlist::iterator j = ul.begin(); j != ul.end(); ++j)
-        {
-            userrec* u = (userrec*)(*j);
-            if (u->nick == user->nick)
-            {
-                ul.erase(j);
-                break;
-            }
-        }
-    }
-
-    void ReadFileConf()
-    {
-        bfl.clear();
-        for (int i = 0; i < Conf->Enumerate("banfile"); 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;
-            bfl.push_back(bf);
-        }
-    
-    }
-
-    virtual ~ModuleDCCAllow()
-    {
-    }
-
-    virtual Version GetVersion()
-    {
-        return Version(1,0,0,0,VF_COMMON,API_VERSION);
-    }
+       ModuleDCCAllow(InspIRCd* Me)
+               : Module(Me)
+       {
+               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);
+       }
+
+
+       virtual void OnRehash(User* user, const std::string &parameter)
+       {
+               delete Conf;
+               Conf = new ConfigReader(ServerInstance);
+       }
+
+       virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
+       {
+               dccallowlist* udl;
+       
+               // remove their DCCALLOW list if they have one
+               if (user->GetExt("dccallow_list", udl))
+               {
+                       delete udl;
+                       user->Shrink("dccallow_list");
+                       RemoveFromUserlist(user);
+               }
+               
+               // remove them from any DCCALLOW lists
+               // they are currently on
+               RemoveNick(user);
+       }
+
+
+       virtual int OnUserPreNick(User* user, const std::string &newnick)
+       {
+               RemoveNick(user);
+               return 0;
+       }
+
+       virtual int 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)
+       {
+               if (!IS_LOCAL(user))
+                       return 0;
+
+               if (target_type == TYPE_USER)
+               {
+                       User* u = (User*)dest;
+
+                       /* Always allow a user to dcc themselves (although... why?) */
+                       if (user == u)
+                               return 0;
+               
+                       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)
+                               {       
+                                       if (u->GetExt("dccallow_list", dl) && dl->size())
+                                       {
+                                               for (dccallowlist::const_iterator iter = dl->begin(); iter != dl->end(); ++iter)
+                                                       if (ServerInstance->MatchText(user->GetFullHost(), iter->hostmask))
+                                                               return 0;
+                                       }
+               
+                                       // 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);
+               
+                                       if (type == "SEND")
+                                       {
+                                               std::string defaultaction = Conf->ReadValue("dccallow", "action", 0);
+                                               std::string filename = tokens[2];
+                                       
+                                               if (defaultaction == "allow") 
+                                                       return 0;
+                               
+                                               for (unsigned int i = 0; i < bfl.size(); i++)
+                                               {
+                                                       if (ServerInstance->MatchText(filename, bfl[i].filemask))
+                                                       {
+                                                               if (bfl[i].action == "allow")
+                                                                       return 0;
+                                                       }
+                                                       else
+                                                       {
+                                                               if (defaultaction == "allow")
+                                                                       return 0;
+                                                       }
+                                                       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;
+                                               }
+                                       }
+                                       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 0;
+       }
+       
+       void Expire()
+       {
+               for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
+               {
+                       User* u = (User*)(*iter);
+                       if (u->GetExt("dccallow_list", dl))
+                       {
+                               if (dl->size())
+                               {
+                                       dccallowlist::iterator iter2 = dl->begin();
+                                       while (iter2 != dl->end())
+                                       {
+                                               if (iter2->length != 0 && (iter2->set_on + iter2->length) <= ServerInstance->Time())
+                                               {
+                                                       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
+                                               {
+                                                       ++iter2;
+                                               }
+                                       }
+                               }
+                       }
+                       else
+                       {
+                               RemoveFromUserlist(u);
+                       }
+               }
+       }
+       
+       void RemoveNick(User* user)
+       {
+               /* Iterate through all DCCALLOW lists and remove user */
+               for (userlist::iterator iter = ul.begin(); iter != ul.end(); ++iter)
+               {
+                       User *u = (User*)(*iter);
+                       if (u->GetExt("dccallow_list", dl))
+                       {
+                               if (dl->size())
+                               {
+                                       for (dccallowlist::iterator i = dl->begin(); i != dl->end(); ++i)
+                                       {
+                                               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.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;
+                                               }
+                                       }
+                               }
+                       }
+                       else
+                       {
+                               RemoveFromUserlist(u);
+                       }
+               }
+       }
+
+       void RemoveFromUserlist(User *user)
+       {
+               // remove user from userlist
+               for (userlist::iterator j = ul.begin(); j != ul.end(); ++j)
+               {
+                       User* u = (User*)(*j);
+                       if (u == user)
+                       {
+                               ul.erase(j);
+                               break;
+                       }
+               }
+       }
+
+       void ReadFileConf()
+       {
+               bfl.clear();
+               for (int i = 0; i < Conf->Enumerate("banfile"); 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;
+                       bfl.push_back(bf);
+               }
+       
+       }
+
+       virtual ~ModuleDCCAllow()
+       {
+       }
+
+       virtual Version GetVersion()
+       {
+               return Version(1, 2, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
+       }
 };
 
-class ModuleDCCAllowFactory : public ModuleFactory
-{
- public:
-    ModuleDCCAllowFactory()
-    {
-    }
-
-    ~ModuleDCCAllowFactory()
-    {
-    }
+MODULE_INIT(ModuleDCCAllow)
 
-    virtual Module * CreateModule(InspIRCd* Me)
-    {
-        return new ModuleDCCAllow(Me);
-    }
-
-};
-
-extern "C" void * init_module( void )
-{
-    return new ModuleDCCAllowFactory;
-}