]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_chanprotect.cpp
WHEEEEE!!!!!
[user/henk/code/inspircd.git] / src / modules / m_chanprotect.cpp
index c762fb6a423ee664642fce7b8f5585f8bc43df7a..85e8d4a78b23cb83a80a39efd9b840091ee560d0 100644 (file)
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
  *                       E-mail:
  *                <brain@chatspike.net>
  *               <Craig@chatspike.net>
  * ---------------------------------------------------
  */
 
-#include <stdio.h>
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
+#include "helperfuncs.h"
 
 /* $ModDesc: Provides channel modes +a and +q */
 
-char dummyvalue[] = "on";
+const char* fakevalue = "on";
+
+class ChanFounder : public ModeHandler
+{
+       Server* Srv;
+       char* dummyptr;
+
+ public:
+       ChanFounder(Server* s) : ModeHandler('q', 1, 1, true, MODETYPE_CHANNEL, false), Srv(s) { }
+
+       ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter)
+       {
+               userrec* x = Find(parameter);
+               if (x)
+               {
+                       if (!channel->HasUser(x))
+                       {
+                               return std::make_pair(false, parameter);
+                       }
+                       else
+                       {
+                               std::string founder = "cm_founder_"+std::string(channel->name);
+                               if (x->GetExt(founder,dummyptr))
+                               {
+                                       return std::make_pair(true, x->nick);
+                               }
+                               else
+                               {
+                                       return std::make_pair(false, parameter);
+                               }
+                       }
+               }
+               return std::make_pair(false, parameter);
+       }
+
+
+       ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
+       {
+               userrec* theuser = Srv->FindNick(parameter);
+
+               log(DEBUG,"ChanFounder::OnModeChange");
+
+               // cant find the user given as the parameter, eat the mode change.
+               if (!theuser)
+               {
+                       log(DEBUG,"No such user in ChanFounder");
+                       parameter = "";
+                       return MODEACTION_DENY;
+               }
+
+               // given user isnt even on the channel, eat the mode change
+               if (!channel->HasUser(theuser))
+               {
+                       log(DEBUG,"Channel doesn't have user in ChanFounder");
+                       parameter = "";
+                       return MODEACTION_DENY;
+               }
+
+               std::string protect = "cm_protect_"+std::string(channel->name);
+               std::string founder = "cm_founder_"+std::string(channel->name);
+
+                // source is a server, or ulined, we'll let them +-q the user.
+               if ((Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server) || (!IS_LOCAL(source)))
+               {
+                       log(DEBUG,"Allowing remote mode change in ChanFounder");
+                       if (adding)
+                       {
+                               if (!theuser->GetExt(founder,dummyptr))
+                               {
+                                       log(DEBUG,"Does not have the ext item in ChanFounder");
+                                       if (!theuser->Extend(founder,fakevalue))
+                                               log(DEBUG,"COULD NOT EXTEND!!!");
+                                       // Tidy the nickname (make case match etc)
+                                       parameter = theuser->nick;
+                                       if (theuser->GetExt(founder, dummyptr))
+                                               log(DEBUG,"Extended!");
+                                       else
+                                               log(DEBUG,"Not extended :(");
+                                       return MODEACTION_ALLOW;
+                               }
+                       }
+                       else
+                       {
+                               if (theuser->GetExt(founder, dummyptr))
+                               {
+                                       theuser->Shrink(founder);
+                                       // Tidy the nickname (make case match etc)
+                                       parameter = theuser->nick;
+                                       return MODEACTION_ALLOW;
+                               }
+                       }
+                       return MODEACTION_DENY;
+               }
+               else
+               {
+                       // whoops, someones being naughty!
+                       source->WriteServ("468 %s %s :Only servers may set channel mode +q",source->nick, channel->name);
+                       parameter = "";
+                       return MODEACTION_DENY;
+               }
+       }
+
+       void DisplayList(userrec* user, chanrec* channel)
+       {
+               chanuserlist cl = Srv->GetUsers(channel);
+               std::string founder = "cm_founder_"+std::string(channel->name);
+               for (unsigned int i = 0; i < cl.size(); i++)
+               {
+                       if (cl[i]->GetExt(founder, dummyptr))
+                       {
+                               user->WriteServ("386 %s %s %s",user->nick, channel->name,cl[i]->nick);
+                       }
+               }
+               user->WriteServ("387 %s %s :End of channel founder list",user->nick, channel->name);
+       }
+
+};
+
+class ChanProtect : public ModeHandler
+{
+       Server* Srv;
+       char* dummyptr;
+ public:
+       ChanProtect(Server* s) : ModeHandler('a', 1, 1, true, MODETYPE_CHANNEL, false), Srv(s) { }
+
+        ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter)
+        {
+                userrec* x = Find(parameter);
+                if (x)
+                {
+                        if (!channel->HasUser(x))
+                        {
+                                return std::make_pair(false, parameter);
+                        }
+                        else
+                        {
+                                std::string founder = "cm_protect_"+std::string(channel->name);
+                                if (x->GetExt(founder,dummyptr))
+                                {
+                                        return std::make_pair(true, x->nick);
+                                }
+                                else
+                                {
+                                        return std::make_pair(false, parameter);
+                                }
+                        }
+                }
+                return std::make_pair(false, parameter);
+        }
+
+       ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
+       {
+               userrec* theuser = Srv->FindNick(parameter);
+
+               // cant find the user given as the parameter, eat the mode change.
+               if (!theuser)
+               {
+                       parameter = "";
+                       return MODEACTION_DENY;
+               }
+
+               // given user isnt even on the channel, eat the mode change
+               if (!channel->HasUser(theuser))
+               {
+                       parameter = "";
+                       return MODEACTION_DENY;
+               }
+
+               std::string protect = "cm_protect_"+std::string(channel->name);
+               std::string founder = "cm_founder_"+std::string(channel->name);
+
+               // source has +q, is a server, or ulined, we'll let them +-a the user.
+               if ((Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server) || (source->GetExt(founder,dummyptr)) || (!IS_LOCAL(source)))
+               {
+                       if (adding)
+                       {
+                               if (!theuser->GetExt(protect,dummyptr))
+                               {
+                                       theuser->Extend(protect,fakevalue);
+                                       // Tidy the nickname (make case match etc)
+                                       parameter = theuser->nick;
+                                       return MODEACTION_ALLOW;
+                               }
+                       }
+                       else
+                       {
+                               if (theuser->GetExt(protect,dummyptr))
+                               {
+                                       theuser->Shrink(protect);
+                                       // Tidy the nickname (make case match etc)
+                                       parameter = theuser->nick;
+                                       return MODEACTION_ALLOW;
+                               }
+                       }
+                       return MODEACTION_DENY;
+               }
+               else
+               {
+                       // bzzzt, wrong answer!
+                       source->WriteServ("482 %s %s :You are not a channel founder",source->nick, channel->name);
+                       return MODEACTION_DENY;
+               }
+       }
+
+       virtual void DisplayList(userrec* user, chanrec* channel)
+       {
+               chanuserlist cl = Srv->GetUsers(channel);
+               std::string protect = "cm_protect_"+std::string(channel->name);
+               for (unsigned int i = 0; i < cl.size(); i++)
+               {
+                       if (cl[i]->GetExt(protect,dummyptr))
+                       {
+                               user->WriteServ("388 %s %s %s",user->nick, channel->name,cl[i]->nick);
+                       }
+               }
+               user->WriteServ("389 %s %s :End of channel protected user list",user->nick, channel->name);
+       }
+
+};
 
 class ModuleChanProtect : public Module
 {
        Server *Srv;
        bool FirstInGetsFounder;
-       ConfigReader *Conf;
+       ChanProtect* cp;
+       ChanFounder* cf;
+       char* dummyptr;
        
  public:
  
-       ModuleChanProtect()
-       {
-       
-               // here we initialise our module. Use new to create new instances of the required
-               // classes.
-               
-               Srv = new Server;
-               Conf = new ConfigReader;
+       ModuleChanProtect(Server* Me) : Module::Module(Me), Srv(Me)
+       {       
+               /* Initialise module variables */
+
+               cp = new ChanProtect(Me);
+               cf = new ChanFounder(Me);
                
-               // set up our modes. We're using listmodes and not normal extmodes here.
-               // listmodes only need one parameter as everything else is assumed by the
-               // nature of the mode thats being created.
-               Srv->AddExtendedListMode('a');
-               Srv->AddExtendedListMode('q');
+               Srv->AddMode(cp, 'a');
+               Srv->AddMode(cf, 'q');
                
-               // read our config options (main config file)
-               FirstInGetsFounder = Conf->ReadFlag("options","noservices",0);
+               /* Load config stuff */
+               OnRehash("");
+       }
+
+       void Implements(char* List)
+       {
+               List[I_On005Numeric] = List[I_OnUserKick] = List[I_OnUserPart] = List[I_OnRehash] = List[I_OnUserJoin] = List[I_OnAccessCheck] = List[I_OnSyncChannel] = 1;
        }
        
-        virtual void On005Numeric(std::string &output)
-        {
-                std::stringstream line(output);
-                std::string temp1, temp2;
-                while (!line.eof())
-                {
-                        line >> temp1;
-                        if (temp1.substr(0,10) == "CHANMODES=")
-                        {
-                                // append the chanmode to the end
-                                temp1 = temp1.substr(10,temp1.length());
-                                temp1 = "CHANMODES=qa" + temp1;
-                        }
-                        temp2 = temp2 + temp1 + " ";
-                }
-                output = temp2.substr(0,temp2.length()-1);
-        }
+       virtual void On005Numeric(std::string &output)
+       {
+               InsertMode(output,"qa",1);
+       }
 
-       virtual void OnRehash()
+       virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason)
        {
-               // on a rehash we delete our classes for good measure and create them again.
-               delete Conf;
-               Conf = new ConfigReader;
-               // re-read our config options on a rehash
-               FirstInGetsFounder = Conf->ReadFlag("options","noservices",0);
+               // FIX: when someone gets kicked from a channel we must remove their Extensibles!
+               user->Shrink("cm_founder_"+std::string(chan->name));
+               user->Shrink("cm_protect_"+std::string(chan->name));
+       }
+
+       virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partreason)
+       {
+               // FIX: when someone parts a channel we must remove their Extensibles!
+               user->Shrink("cm_founder_"+std::string(channel->name));
+               user->Shrink("cm_protect_"+std::string(channel->name));
+       }
+
+       virtual void OnRehash(const std::string &parameter)
+       {
+               /* Create a configreader class and read our flag,
+                * in old versions this was heap-allocated and the
+                * object was kept between rehashes...now we just
+                * stack-allocate it locally.
+                */
+               ConfigReader Conf;
+               
+               FirstInGetsFounder = Conf.ReadFlag("options","noservices",0);
        }
        
        virtual void OnUserJoin(userrec* user, chanrec* channel)
@@ -89,7 +313,12 @@ class ModuleChanProtect : public Module
                                // this way is best as it adds data thats accessible to other modules
                                // (so long as you document your code properly) without breaking anything
                                // because its encapsulated neatly in a map.
-                               if (user->Extend("cm_founder_"+std::string(channel->name),dummyvalue))
+
+                               // Change requested by katsklaw... when the first in is set to get founder,
+                               // to make it clearer that +q has been given, send that one user the +q notice
+                               // so that their client's syncronization and their sanity are left intact.
+                               user->WriteServ("MODE %s +q %s",channel->name,user->nick);
+                               if (user->Extend("cm_founder_"+std::string(channel->name),fakevalue))
                                {
                                        Srv->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name));
                                }
@@ -103,6 +332,7 @@ class ModuleChanProtect : public Module
                // etc of protected users. There are many types of access check, we're going to handle
                // a relatively small number of them relevent to our module using a switch statement.
        
+               log(DEBUG,"chanprotect OnAccessCheck %d",access_type);
                // don't allow action if:
                // (A) Theyre founder (no matter what)
                // (B) Theyre protected, and you're not
@@ -117,60 +347,70 @@ class ModuleChanProtect : public Module
                        return ACR_ALLOW;
                }
 
+               std::string founder = "cm_founder_"+std::string(channel->name);
+               std::string protect = "cm_protect_"+std::string(channel->name);
+
                switch (access_type)
                {
                        // a user has been deopped. Do we let them? hmmm...
                        case AC_DEOP:
-                               if (dest->GetExt("cm_founder_"+std::string(channel->name)))
+                               log(DEBUG,"OnAccessCheck AC_DEOP");
+                               if (dest->GetExt(founder,dummyptr))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as the're a channel founder");
+                                       log(DEBUG,"Has %s",founder.c_str());
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they're a channel founder");
                                        return ACR_DENY;
                                }
-                               if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name))))
+                               else
+                               {
+                                       log(DEBUG,"Doesnt have %s",founder.c_str());
+                               }
+                               if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as the're protected (+a)");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they're protected (+a)");
                                        return ACR_DENY;
                                }
                        break;
 
                        // a user is being kicked. do we chop off the end of the army boot?
                        case AC_KICK:
-                               if (dest->GetExt("cm_founder_"+std::string(channel->name)))
+                               log(DEBUG,"OnAccessCheck AC_KICK");
+                               if (dest->GetExt(founder,dummyptr))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as the're a channel founder");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they're a channel founder");
                                        return ACR_DENY;
                                }
-                               if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name))))
+                               if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as the're protected (+a)");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they're protected (+a)");
                                        return ACR_DENY;
                                }
                        break;
 
                        // a user is being dehalfopped. Yes, we do disallow -h of a +ha user
                        case AC_DEHALFOP:
-                               if (dest->GetExt("cm_founder_"+std::string(channel->name)))
+                               if (dest->GetExt(founder,dummyptr))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as the're a channel founder");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as they're a channel founder");
                                        return ACR_DENY;
                                }
-                               if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name))))
+                               if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as the're protected (+a)");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as they're protected (+a)");
                                        return ACR_DENY;
                                }
                        break;
 
                        // same with devoice.
                        case AC_DEVOICE:
-                               if (dest->GetExt("cm_founder_"+std::string(channel->name)))
+                               if (dest->GetExt(founder,dummyptr))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as the're a channel founder");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they're a channel founder");
                                        return ACR_DENY;
                                }
-                               if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name))))
+                               if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))
                                {
-                                       Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as the're protected (+a)");
+                                       source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they're protected (+a)");
                                        return ACR_DENY;
                                }
                        break;
@@ -180,128 +420,37 @@ class ModuleChanProtect : public Module
                return ACR_DEFAULT;
        }
        
-       virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
-       {
-               // not out mode, bail
-               if ((modechar == 'q') && (type == MT_CHANNEL))
-               {
-                       // set up parameters
-                       chanrec* chan = (chanrec*)target;
-                       userrec* theuser = Srv->FindNick(params[0]);
-               
-                       // cant find the user given as the parameter, eat the mode change.
-                       if (!theuser)
-                               return -1;
-                       
-                       // given user isnt even on the channel, eat the mode change
-                       if (!Srv->IsOnChannel(theuser,chan))
-                               return -1;
-                       
-                       // source is a server, or ulined, we'll let them +-q the user.
-                       if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(user->server,"")))
-                       {
-                               if (mode_on)
-                               {
-                                       if (!theuser->GetExt("cm_founder_"+std::string(chan->name)))
-                                       {
-                                               theuser->Extend("cm_founder_"+std::string(chan->name),dummyvalue);
-                                               return 1;
-                                       }
-                               }
-                               else
-                               {
-                                       if (theuser->GetExt("cm_founder_"+std::string(chan->name)))
-                                       {
-                                               theuser->Shrink("cm_founder_"+std::string(chan->name));
-                                               return 1;
-                                       }
-                               }       
-
-                               return -1;
-                       }
-                       else
-                       {
-                               // whoops, someones being naughty!
-                               WriteServ(user->fd,"468 %s %s :Only servers may set channel mode +q",user->nick, chan->name);
-                               return -1;
-                       }
-               }
-               if ((modechar == 'a') && (type == MT_CHANNEL))
-               {
-                       // set up parameters
-                       chanrec* chan = (chanrec*)target;
-                       userrec* theuser = Srv->FindNick(params[0]);
-               
-                       // cant find the user given as the parameter, eat the mode change.
-                       if (!theuser)
-                               return -1;
-                       
-                       // given user isnt even on the channel, eat the mode change
-                       if (!Srv->IsOnChannel(theuser,chan))
-                               return -1;
-
-                       // source has +q, is a server, or ulined, we'll let them +-a the user.
-                       if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(user->server,"")) || (user->GetExt("cm_founder_"+std::string(chan->name))))
-                       {
-                               if (mode_on)
-                               {
-                                       if (!theuser->GetExt("cm_protect_"+std::string(chan->name)))
-                                       {
-                                               theuser->Extend("cm_protect_"+std::string(chan->name),dummyvalue);
-                                               return 1;
-                                       }
-                               }
-                               else
-                               {
-                                       if (theuser->GetExt("cm_protect_"+std::string(chan->name)))
-                                       {
-                                               theuser->Shrink("cm_protect_"+std::string(chan->name));
-                                               return 1;
-                                       }
-                               }       
-
-                               return -1;
-                       }
-                       else
-                       {
-                               // bzzzt, wrong answer!
-                               WriteServ(user->fd,"482 %s %s :You are not a channel founder",user->nick, chan->name);
-                               return -1;
-                       }
-               }
-               return 0;
-       }
-       
        virtual ~ModuleChanProtect()
        {
-               delete Conf;
-               delete Srv;
+               DELETE(cp);
+               DELETE(cf);
        }
        
        virtual Version GetVersion()
        {
-               return Version(1,0,0,0);
+               return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
        }
        
-       virtual string_list OnChannelSync(chanrec* chan)
+       virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
        {
                // this is called when the server is linking into a net and wants to sync channel data.
                // we should send our mode changes for the channel here to ensure that other servers
                // know whos +q/+a on the channel.
                chanuserlist cl = Srv->GetUsers(chan);
                string_list commands;
-               for (int i = 0; i < cl.size(); i++)
+               std::string founder = "cm_founder_"+std::string(chan->name);
+               std::string protect = "cm_protect_"+std::string(chan->name);
+               for (unsigned int i = 0; i < cl.size(); i++)
                {
-                       if (cl[i]->GetExt("cm_founder_"+std::string(chan->name)))
+                       if (cl[i]->GetExt(founder,dummyptr))
                        {
-                               commands.push_back("M "+std::string(chan->name)+" +q "+std::string(cl[i]->nick));
+                               proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan,"+q "+std::string(cl[i]->nick));
                        }
-                       if (cl[i]->GetExt("cm_protect_"+std::string(chan->name)))
+                       if (cl[i]->GetExt(protect,dummyptr))
                        {
-                               commands.push_back("M "+std::string(chan->name)+" +a "+std::string(cl[i]->nick));
+                               proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan,"+a "+std::string(cl[i]->nick));
                        }
                }
-               return commands;
        }
 
 };
@@ -318,9 +467,9 @@ class ModuleChanProtectFactory : public ModuleFactory
        {
        }
        
-       virtual Module * CreateModule()
+       virtual Module * CreateModule(Server* Me)
        {
-               return new ModuleChanProtect;
+               return new ModuleChanProtect(Me);
        }
        
 };
@@ -330,4 +479,3 @@ extern "C" void * init_module( void )
 {
        return new ModuleChanProtectFactory;
 }
-