X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_invisible.cpp;h=b903941647d60bd6e9c97fb3d695c1c0b01d091e;hb=05cc48f1894e40f8a34496bf54a60d8b911e6a5e;hp=ce2f2062bff2de795bb85ecf918a6ad6f4678fc4;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_invisible.cpp b/src/modules/m_invisible.cpp index ce2f2062b..b90394164 100644 --- a/src/modules/m_invisible.cpp +++ b/src/modules/m_invisible.cpp @@ -1 +1,286 @@ -/* +------------------------------------+ * | 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 /* $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) 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 ¶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(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 ¶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) */ 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 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::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) \ No newline at end of file +/* +------------------------------------+ + * | 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. + * + * --------------------------------------------------- + */ + +#include "inspircd.h" +#include + +/* $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(User* 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->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++) + if (i->second->Visibility == qo) + i->second->Visibility = NULL; + delete qo; + } + + ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool) + { + 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->WriteNumeric(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); + + /* Fix for bug #379 reported by stealth. On +/-Q make m_watch think the user has signed on/off */ + Module* m = ServerInstance->Modules->Find("m_watch.so"); + + /* This must come before setting/unsetting the handler */ + if (m && adding) + m->OnUserQuit(dest, "Connection closed", "Connection closed"); + + /* Set visibility handler object */ + dest->Visibility = adding ? qo : NULL; + + /* This has to come after setting/unsetting the handler */ + if (m && !adding) + m->OnPostConnect(dest); + + /* 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->SNO->WriteToSnoMask('A', "\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(User* source, User* dest, Channel* channel, std::string ¶m, bool adding, ModeType type, bool) + { + /* 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->Modes->AddMode(qm)) + throw ModuleException("Could not add new modes!"); + ido = new InvisibleDeOper(ServerInstance); + if (!ServerInstance->Modes->AddModeWatcher(ido)) + throw ModuleException("Could not add new mode watcher on usermode +o!"); + + /* Yeah i know people can take this out. I'm not about to obfuscate code just to be a pain in the ass. */ + ServerInstance->Users->ServerNoticeAll("*** m_invisible.so has just been loaded on this network. For more information, please visit http://inspircd.org/wiki/Modules/invisible"); + Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserJoin, I_OnUserPart, I_OnUserQuit, I_OnRehash }; + ServerInstance->Modules->Attach(eventlist, this, 6); + } + + virtual ~ModuleInvisible() + { + ServerInstance->Modes->DelMode(qm); + ServerInstance->Modes->DelModeWatcher(ido); + delete qm; + delete ido; + delete conf; + } + + virtual Version GetVersion() + { + return Version(1, 2, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION); + } + + + virtual void OnUserJoin(User* user, Channel* channel, bool sync, 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->SNO->WriteToSnoMask('A', "\2NOTICE\2: Oper %s has joined %s invisibly (+Q)", user->GetFullHost(), channel->name); + } + } + + virtual void OnRehash(User* user, const std::string ¶meter) + { + delete conf; + conf = new ConfigReader(ServerInstance); + } + + void OnUserPart(User* user, Channel* 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(User* user, const std::string &reason, const std::string &oper_message) + { + if (user->IsModeSet('Q')) + { + Command* parthandler = ServerInstance->Parser->GetHandler("PART"); + std::vector 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::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(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) + { + if ((target_type == TYPE_USER) && (IS_LOCAL(user))) + { + User* target = (User*)dest; + if(target->IsModeSet('Q') && !*user->oper) + { + user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, target->nick); + return 1; + } + } + 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); + } + + /* Fix by Eric @ neowin.net, thanks :) -- Brain */ + void WriteCommonFrom(User *user, Channel* channel, const char* text, ...) CUSTOM_PRINTF(4,5) + { + 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)