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| -rw-r--r-- | src/modules/m_invisible.cpp | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/modules/m_invisible.cpp b/src/modules/m_invisible.cpp new file mode 100644 index 000000000..35395ed15 --- /dev/null +++ b/src/modules/m_invisible.cpp @@ -0,0 +1,246 @@ +/* +------------------------------------+ + * | 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 "users.h" +#include "channels.h" +#include "modules.h" +#include "inspircd.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 ¶meter, bool adding) + { + if ((source != dest) && (!*source->oper)) + 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); + /* 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->second) && !IS_OPER(i->second)) + { + i->second->Write(out); + if (!n.empty() && !adding) + i->second->WriteServ("MODE %s +%s", f->first->name, n.c_str()); + } + } + } + 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 ¶m, 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::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_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) */ + user->WriteFrom(user, "JOIN %s", channel->name); + } + } + + virtual void OnRehash(userrec* user, const std::string ¶meter) + { + 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) */ + user->WriteFrom(user, "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); + } + } + } + } +}; + +class ModuleInvisibleFactory : public ModuleFactory +{ + public: + ModuleInvisibleFactory() + { + } + + ~ModuleInvisibleFactory() + { + } + + virtual Module * CreateModule(InspIRCd* Me) + { + return new ModuleInvisible(Me); + } + +}; + +extern "C" void * init_module( void ) +{ + return new ModuleInvisibleFactory; +} + |