Send module load/unload notifications so that services can learn of new features...

[user/henk/code/inspircd.git] / src / modules / m_nonicks.cpp

diff --git a/src/modules/m_nonicks.cpp b/src/modules/m_nonicks.cpp
index c2e937f17610be766574b001d66366051d1bf0fb..8713ffe96abc88ea333f84046aa5981af7edc3e6 100644 (file)
--- a/src/modules/m_nonicks.cpp
+++ b/src/modules/m_nonicks.cpp
@@ -2,141 +2,113 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
+ *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
  *
  * ---------------------------------------------------
  */
 
-using namespace std;
+#include "inspircd.h"
 
-#include <stdio.h>
-#include <string>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
+/* $ModDesc: Provides support for channel mode +N & extban +b N: which prevents nick changes on channel */
 
-/* $ModDesc: Provides support for unreal-style GLOBOPS and umode +g */
+class NoNicks : public ModeHandler
+{
+ public:
+       NoNicks(Module* Creator) : ModeHandler(Creator, "nonick", 'N', PARAM_NONE, MODETYPE_CHANNEL) { }
+
+       ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
+       {
+               if (adding)
+               {
+                       if (!channel->IsModeSet('N'))
+                       {
+                               channel->SetMode('N',true);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+               else
+               {
+                       if (channel->IsModeSet('N'))
+                       {
+                               channel->SetMode('N',false);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+
+               return MODEACTION_DENY;
+       }
+};
 
 class ModuleNoNickChange : public Module
 {
-       Server *Srv;
-       
+       NoNicks nn;
+       bool override;
  public:
-       ModuleNoNickChange(Server* Me)
-               : Module::Module(Me)
+       ModuleNoNickChange() : nn(this)
        {
-               Srv = Me;
-               
-               Srv->AddExtendedMode('N',MT_CHANNEL,false,0,0);
+               OnRehash(NULL);
+               ServerInstance->Modes->AddMode(&nn);
+               Implementation eventlist[] = { I_OnUserPreNick, I_On005Numeric, I_OnRehash };
+               ServerInstance->Modules->Attach(eventlist, this, 3);
        }
-       
+
        virtual ~ModuleNoNickChange()
        {
        }
-       
+
        virtual Version GetVersion()
        {
-               return Version(1,0,0,1,VF_STATIC|VF_VENDOR);
+               return Version("Provides support for channel mode +N & extban +b N: which prevents nick changes on channel", VF_VENDOR);
        }
 
-       void Implements(char* List)
+
+       virtual void On005Numeric(std::string &output)
        {
-               List[I_On005Numeric] = List[I_OnUserPreNick] = List[I_OnExtendedMode] = 1;
+               ServerInstance->AddExtBanChar('N');
        }
 
-        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=" + temp1 + "N";
-                        }
-                        temp2 = temp2 + temp1 + " ";
-                }
-               if (temp2.length())
-                       output = temp2.substr(0,temp2.length()-1);
-        }
-       
-       virtual int OnUserPreNick(userrec* user, std::string newnick)
+       virtual ModResult OnUserPreNick(User* user, const std::string &newnick)
        {
-               irc::string server = user->server;
-               irc::string me = Srv->GetServerName().c_str();
-               if (server == me)
+               if (!IS_LOCAL(user))
+                       return MOD_RES_PASSTHRU;
+
+               // Allow forced nick changes.
+               if (ServerInstance->NICKForced.get(user))
+                       return MOD_RES_PASSTHRU;
+
+               for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
                {
-                       for (unsigned int i =0; i < user->chans.size(); i++)
+                       Channel* curr = *i;
+
+                       ModResult res;
+                       FIRST_MOD_RESULT(OnChannelRestrictionApply, res, (user,curr,"nonick"));
+
+                       if (res == MOD_RES_ALLOW)
+                               continue;
+
+                       if (override && IS_OPER(user))
+                               continue;
+
+                       if (!curr->GetExtBanStatus(user, 'N').check(!curr->IsModeSet('N')))
                        {
-                               if (user->chans[i].channel != NULL)
-                               {
-                                       chanrec* curr = user->chans[i].channel;
-                                       if (curr->IsCustomModeSet('N'))
-                                       {
-                                               if (!strchr(user->modes,'o'))
-                                               {
-                                                       // don't allow the nickchange, theyre on at least one channel with +N set
-                                                       // and theyre not an oper
-                                                       WriteServ(user->fd,"447 %s :Can't change nickname while on %s (+N is set)",user->nick,curr->name);
-                                                       return 1;
-                                               }
-                                       }
-                               }
+                               user->WriteNumeric(ERR_CANTCHANGENICK, "%s :Can't change nickname while on %s (+N is set)",
+                                       user->nick.c_str(), curr->name.c_str());
+                               return MOD_RES_DENY;
                        }
                }
-               return 0;
-       }
-       
-       virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
-       {
-               // check if this is our mode character...
-               if ((modechar == 'N') && (type == MT_CHANNEL))
-               {
-                       return 1;
-               }
-               else
-               {
-                       return 0;
-               }
-       }
-
-};
-
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
 
-class ModuleNoNickChangeFactory : public ModuleFactory
-{
- public:
-       ModuleNoNickChangeFactory()
-       {
+               return MOD_RES_PASSTHRU;
        }
-       
-       ~ModuleNoNickChangeFactory()
-       {
-       }
-       
-       virtual Module * CreateModule(Server* Me)
+
+       virtual void OnRehash(User* user)
        {
-               return new ModuleNoNickChange(Me);
+               ConfigReader Conf;
+               override = Conf.ReadFlag("nonicks", "operoverride", "no", 0);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleNoNickChangeFactory;
-}
-
+MODULE_INIT(ModuleNoNickChange)