]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_invisible.cpp
OOPS! We try again, since I'm smoking craq. LF is 0x0a NOT CR.
[user/henk/code/inspircd.git] / src / modules / m_invisible.cpp
index ce2f2062bff2de795bb85ecf918a6ad6f4678fc4..e1fb88ca02946827536ac6b364ab1234310fbf27 100644 (file)
@@ -1 +1,277 @@
-/*       +------------------------------------+\r *       | Inspire Internet Relay Chat Daemon |\r *       +------------------------------------+\r *\r *  InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r *            the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include <stdarg.h>\r\r/* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */\r\rstatic ConfigReader* conf;\r\rclass QuietOper : public VisData\r{\r public:\r    QuietOper()\r    {\r      }\r\r     virtual ~QuietOper()\r   {\r      }\r\r     virtual bool VisibleTo(userrec* user)\r  {\r              return IS_OPER(user);\r  }\r};\r\r\rclass InvisibleMode : public ModeHandler\r{\r      QuietOper* qo;\r public:\r        InvisibleMode(InspIRCd* Instance) : ModeHandler(Instance, 'Q', 0, 0, false, MODETYPE_USER, true)\r       {\r              qo = new QuietOper();\r  }\r\r     ~InvisibleMode()\r       {\r              for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)\r                 if (i->second->Visibility == qo)\r                               i->second->Visibility = NULL;\r          delete qo;\r     }\r\r     ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)\r {\r              if (source != dest)\r                    return MODEACTION_DENY;\r\r               if (dest->IsModeSet('Q') != adding)\r            {\r                      bool ok = false;\r\r                      for (int j = 0; j < conf->Enumerate("type"); j++)\r                      {\r                              std::string opertype = conf->ReadValue("type","name",j);\r                               if (opertype == source->oper)\r                          {\r                                      ok = conf->ReadFlag("type", "canquiet", j);\r                                    break;\r                         }\r                      }\r\r                     if (!ok)\r                       {\r                              source->WriteServ("481 %s :Permission Denied - You do not have access to become invisible via user mode +Q", source->nick);\r                            return MODEACTION_DENY;\r                        }\r\r                     dest->SetMode('Q', adding);\r\r                   /* Set visibility handler object */\r                    dest->Visibility = adding ? qo : NULL;\r\r                        /* User appears to vanish or appear from nowhere */\r                    for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)\r                  {\r                              CUList *ulist = f->first->GetUsers();\r                          char tb[MAXBUF];\r\r                              snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost(), adding ? "PART" : "JOIN", f->first->name);\r                                std::string out = tb;\r                          std::string n = this->ServerInstance->Modes->ModeString(dest, f->first);\r\r                              for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r                              {\r                                      /* User only appears to vanish for non-opers */\r                                        if (IS_LOCAL(i->first) && !IS_OPER(i->first))\r                                  {\r                                              i->first->Write(out);\r                                          if (!n.empty() && !adding)\r                                                     i->first->WriteServ("MODE %s +%s", f->first->name, n.c_str());\r                                 }\r                              }\r\r                             ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has become %svisible (%sQ)", dest->GetFullHost(), adding ? "in" : "", adding ? "+" : "-");\r                 }\r                      return MODEACTION_ALLOW;\r               }\r              else\r           {\r                      return MODEACTION_DENY;\r                }\r      }\r};\r\rclass InvisibleDeOper : public ModeWatcher\r{\r private:\r   InspIRCd* Srv;\r public:\r        InvisibleDeOper(InspIRCd* Instance) : ModeWatcher(Instance, 'o', MODETYPE_USER), Srv(Instance)\r {\r      }\r\r     bool BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string &param, bool adding, ModeType type)\r      {\r              /* Users who are opers and have +Q get their +Q removed when they deoper */\r            if ((!adding) && (dest->IsModeSet('Q')))\r               {\r                      const char* newmodes[] = { dest->nick, "-Q" };\r                 ServerInstance->Modes->Process(newmodes, 2, source, true);\r             }\r              return true;\r   }\r};\r\r\rclass ModuleInvisible : public Module\r{\r private:\r       InvisibleMode* qm;\r     InvisibleDeOper* ido;\r public:\r ModuleInvisible(InspIRCd* Me)\r          : Module(Me)\r   {\r              conf = new ConfigReader(ServerInstance);\r               qm = new InvisibleMode(ServerInstance);\r                if (!ServerInstance->AddMode(qm, 'Q'))\r                 throw ModuleException("Could not add new modes!");\r             ido = new InvisibleDeOper(ServerInstance);\r             if (!ServerInstance->AddModeWatcher(ido))\r                      throw ModuleException("Could not add new mode watcher on usermode +o!");\r       }\r\r     virtual ~ModuleInvisible()\r     {\r              ServerInstance->Modes->DelMode(qm);\r            ServerInstance->Modes->DelModeWatcher(ido);\r            DELETE(qm);\r            DELETE(ido);\r           DELETE(conf);\r  }\r\r     virtual Version GetVersion()\r   {\r              return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);\r        }\r\r     void Implements(char* List)\r    {\r              List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = List[I_OnRehash] = 1;\r      }\r      \r       virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)\r {\r              if (user->IsModeSet('Q'))\r              {\r                      silent = true;\r                 /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */\r                      this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);\r                        ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has joined %s invisibly (+Q)", user->GetFullHost(), channel->name);\r                }\r      }\r\r     virtual void OnRehash(userrec* user, const std::string &parameter)\r     {\r              DELETE(conf);\r          conf = new ConfigReader(ServerInstance);\r       }\r\r     void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)\r {\r              if (user->IsModeSet('Q'))\r              {\r                      silent = true;\r                 /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */\r                      this->WriteCommonFrom(user, channel, "PART %s%s%s", channel->name,\r                                     partmessage.empty() ? "" : " :",\r                                       partmessage.empty() ? "" : partmessage.c_str());\r               }\r      }\r\r     void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)\r     {\r              if (user->IsModeSet('Q'))\r              {\r                      command_t* parthandler = ServerInstance->Parser->GetHandler("PART");\r                   std::vector<std::string> to_leave;\r                     const char* parameters[2];\r                     if (parthandler)\r                       {\r                              for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)\r                                          to_leave.push_back(f->first->name);\r                            /* We cant do this neatly in one loop, as we are modifying the map we are iterating */\r                         for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)\r                                {\r                                      parameters[0] = n->c_str();\r                                    /* This triggers our OnUserPart, above, making the PART silent */\r                                      parthandler->Handle(parameters, 1, user);\r                              }\r                      }\r              }\r      }\r\r     /* No privmsg response when hiding - submitted by Eric at neowin */\r    virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)\r     {\r              if ((target_type == TYPE_USER) && (IS_LOCAL(user)))\r            {\r                      userrec* target = (userrec*)dest;\r                      if(target->IsModeSet('Q') && !*user->oper)\r                     {\r                              user->WriteServ("401 %s %s :No such nick/channel",user->nick, target->nick);\r                           return 1;\r                      }\r              }\r              return 0;\r      }\r      \r       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)\r    {\r              return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);\r    }\r\r     /* Fix by Eric @ neowin.net, thanks :) -- Brain */\r     void WriteCommonFrom(userrec *user, chanrec* channel, const char* text, ...)\r   {\r              va_list argsPtr;\r               char textbuffer[MAXBUF];\r               char tb[MAXBUF];\r       \r               va_start(argsPtr, text);\r               vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r          va_end(argsPtr);\r               snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);\r           \r               CUList *ulist = channel->GetUsers();\r           \r               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r              {\r                      /* User only appears to vanish for non-opers */\r                        if (IS_LOCAL(i->first) && IS_OPER(i->first))\r                   {\r                              i->first->Write(std::string(tb));\r                      }\r              }\r      }\r\r};\r\rMODULE_INIT(ModuleInvisible)\r
\ No newline at end of file
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2007 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include <stdarg.h>
+
+/* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */
+
+static ConfigReader* conf;
+
+class QuietOper : public VisData
+{
+ public:
+       QuietOper()
+       {
+       }
+
+       virtual ~QuietOper()
+       {
+       }
+
+       virtual bool VisibleTo(userrec* user)
+       {
+               return IS_OPER(user);
+       }
+};
+
+
+class InvisibleMode : public ModeHandler
+{
+       QuietOper* qo;
+ public:
+       InvisibleMode(InspIRCd* Instance) : ModeHandler(Instance, 'Q', 0, 0, false, MODETYPE_USER, true)
+       {
+               qo = new QuietOper();
+       }
+
+       ~InvisibleMode()
+       {
+               for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)
+                       if (i->second->Visibility == qo)
+                               i->second->Visibility = NULL;
+               delete qo;
+       }
+
+       ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
+       {
+               if (source != dest)
+                       return MODEACTION_DENY;
+
+               if (dest->IsModeSet('Q') != adding)
+               {
+                       bool ok = false;
+
+                       for (int j = 0; j < conf->Enumerate("type"); j++)
+                       {
+                               std::string opertype = conf->ReadValue("type","name",j);
+                               if (opertype == source->oper)
+                               {
+                                       ok = conf->ReadFlag("type", "canquiet", j);
+                                       break;
+                               }
+                       }
+
+                       if (!ok)
+                       {
+                               source->WriteServ("481 %s :Permission Denied - You do not have access to become invisible via user mode +Q", source->nick);
+                               return MODEACTION_DENY;
+                       }
+
+                       dest->SetMode('Q', adding);
+
+                       /* Set visibility handler object */
+                       dest->Visibility = adding ? qo : NULL;
+
+                       /* User appears to vanish or appear from nowhere */
+                       for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)
+                       {
+                               CUList *ulist = f->first->GetUsers();
+                               char tb[MAXBUF];
+
+                               snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost(), adding ? "PART" : "JOIN", f->first->name);
+                               std::string out = tb;
+                               std::string n = this->ServerInstance->Modes->ModeString(dest, f->first);
+
+                               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+                               {
+                                       /* User only appears to vanish for non-opers */
+                                       if (IS_LOCAL(i->first) && !IS_OPER(i->first))
+                                       {
+                                               i->first->Write(out);
+                                               if (!n.empty() && !adding)
+                                                       i->first->WriteServ("MODE %s +%s", f->first->name, n.c_str());
+                                       }
+                               }
+
+                               ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has become %svisible (%sQ)", dest->GetFullHost(), adding ? "in" : "", adding ? "+" : "-");
+                       }
+                       return MODEACTION_ALLOW;
+               }
+               else
+               {
+                       return MODEACTION_DENY;
+               }
+       }
+};
+
+class InvisibleDeOper : public ModeWatcher
+{
+ private:
+       InspIRCd* Srv;
+ public:
+       InvisibleDeOper(InspIRCd* Instance) : ModeWatcher(Instance, 'o', MODETYPE_USER), Srv(Instance)
+       {
+       }
+
+       bool BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string &param, bool adding, ModeType type)
+       {
+               /* Users who are opers and have +Q get their +Q removed when they deoper */
+               if ((!adding) && (dest->IsModeSet('Q')))
+               {
+                       const char* newmodes[] = { dest->nick, "-Q" };
+                       ServerInstance->Modes->Process(newmodes, 2, source, true);
+               }
+               return true;
+       }
+};
+
+
+class ModuleInvisible : public Module
+{
+ private:
+       InvisibleMode* qm;
+       InvisibleDeOper* ido;
+ public:
+       ModuleInvisible(InspIRCd* Me)
+               : Module(Me)
+       {
+               conf = new ConfigReader(ServerInstance);
+               qm = new InvisibleMode(ServerInstance);
+               if (!ServerInstance->AddMode(qm, 'Q'))
+                       throw ModuleException("Could not add new modes!");
+               ido = new InvisibleDeOper(ServerInstance);
+               if (!ServerInstance->AddModeWatcher(ido))
+                       throw ModuleException("Could not add new mode watcher on usermode +o!");
+       }
+
+       virtual ~ModuleInvisible()
+       {
+               ServerInstance->Modes->DelMode(qm);
+               ServerInstance->Modes->DelModeWatcher(ido);
+               DELETE(qm);
+               DELETE(ido);
+               DELETE(conf);
+       }
+
+       virtual Version GetVersion()
+       {
+               return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
+       }
+
+       void Implements(char* List)
+       {
+               List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = List[I_OnRehash] = 1;
+       }
+       
+       virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)
+       {
+               if (user->IsModeSet('Q'))
+               {
+                       silent = true;
+                       /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
+                       this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);
+                       ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has joined %s invisibly (+Q)", user->GetFullHost(), channel->name);
+               }
+       }
+
+       virtual void OnRehash(userrec* user, const std::string &parameter)
+       {
+               DELETE(conf);
+               conf = new ConfigReader(ServerInstance);
+       }
+
+       void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
+       {
+               if (user->IsModeSet('Q'))
+               {
+                       silent = true;
+                       /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
+                       this->WriteCommonFrom(user, channel, "PART %s%s%s", channel->name,
+                                       partmessage.empty() ? "" : " :",
+                                       partmessage.empty() ? "" : partmessage.c_str());
+               }
+       }
+
+       void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
+       {
+               if (user->IsModeSet('Q'))
+               {
+                       command_t* parthandler = ServerInstance->Parser->GetHandler("PART");
+                       std::vector<std::string> to_leave;
+                       const char* parameters[2];
+                       if (parthandler)
+                       {
+                               for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
+                                               to_leave.push_back(f->first->name);
+                               /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
+                               for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
+                               {
+                                       parameters[0] = n->c_str();
+                                       /* This triggers our OnUserPart, above, making the PART silent */
+                                       parthandler->Handle(parameters, 1, user);
+                               }
+                       }
+               }
+       }
+
+       /* No privmsg response when hiding - submitted by Eric at neowin */
+       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+       {
+               if ((target_type == TYPE_USER) && (IS_LOCAL(user)))
+               {
+                       userrec* target = (userrec*)dest;
+                       if(target->IsModeSet('Q') && !*user->oper)
+                       {
+                               user->WriteServ("401 %s %s :No such nick/channel",user->nick, target->nick);
+                               return 1;
+                       }
+               }
+               return 0;
+       }
+       
+       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+       {
+               return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);
+       }
+
+       /* Fix by Eric @ neowin.net, thanks :) -- Brain */
+       void WriteCommonFrom(userrec *user, chanrec* channel, const char* text, ...)
+       {
+               va_list argsPtr;
+               char textbuffer[MAXBUF];
+               char tb[MAXBUF];
+       
+               va_start(argsPtr, text);
+               vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+               va_end(argsPtr);
+               snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);
+               
+               CUList *ulist = channel->GetUsers();
+               
+               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+               {
+                       /* User only appears to vanish for non-opers */
+                       if (IS_LOCAL(i->first) && IS_OPER(i->first))
+                       {
+                               i->first->Write(std::string(tb));
+                       }
+               }
+       }
+
+};
+
+MODULE_INIT(ModuleInvisible)