1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 /* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */
19 class InvisibleMode : public ModeHandler
22 InvisibleMode(InspIRCd* Instance, Module* Creator) : ModeHandler(Creator, 'Q', PARAM_NONE, MODETYPE_USER)
31 ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
33 if (dest->IsModeSet('Q') != adding)
35 dest->SetMode('Q', adding);
37 /* Fix for bug #379 reported by stealth. On +/-Q make m_watch think the user has signed on/off */
38 Module* m = ServerInstance->Modules->Find("m_watch.so");
40 /* This must come before setting/unsetting the handler */
42 m->OnUserQuit(dest, "Connection closed", "Connection closed");
44 /* This has to come after setting/unsetting the handler */
46 m->OnPostConnect(dest);
48 /* User appears to vanish or appear from nowhere */
49 for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)
51 const UserMembList *ulist = (*f)->GetUsers();
54 snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost().c_str(), adding ? "PART" : "JOIN", (*f)->name.c_str());
56 std::string n = ServerInstance->Modes->ModeString(dest, (*f));
58 for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
60 /* User only appears to vanish for non-opers */
61 if (IS_LOCAL(i->first) && !IS_OPER(i->first))
64 if (!n.empty() && !adding)
65 i->first->WriteServ("MODE %s +%s", (*f)->name.c_str(), n.c_str());
70 ServerInstance->SNO->WriteToSnoMask('a', "\2NOTICE\2: Oper %s has become %svisible (%cQ)", dest->GetFullHost().c_str(), adding ? "in" : "", adding ? '+' : '-');
71 return MODEACTION_ALLOW;
75 return MODEACTION_DENY;
80 class InvisibleDeOper : public ModeWatcher
83 InvisibleDeOper(InspIRCd* Instance) : ModeWatcher(Instance, 'o', MODETYPE_USER)
87 bool BeforeMode(User* source, User* dest, Channel* channel, std::string ¶m, bool adding, ModeType type)
89 /* Users who are opers and have +Q get their +Q removed when they deoper */
90 if ((!adding) && (dest->IsModeSet('Q')))
92 std::vector<std::string> newmodes;
93 newmodes.push_back(dest->nick);
94 newmodes.push_back("-Q");
95 ServerInstance->Modes->Process(newmodes, source);
102 class ModuleInvisible : public Module
108 ModuleInvisible(InspIRCd* Me)
109 : Module(Me), qm(Me, this), ido(Me)
111 if (!ServerInstance->Modes->AddMode(&qm))
112 throw ModuleException("Could not add new modes!");
113 if (!ServerInstance->Modes->AddModeWatcher(&ido))
114 throw ModuleException("Could not add new mode watcher on usermode +o!");
116 /* Yeah i know people can take this out. I'm not about to obfuscate code just to be a pain in the ass. */
117 ServerInstance->Users->ServerNoticeAll("*** m_invisible.so has just been loaded on this network. For more information, please visit http://inspircd.org/wiki/Modules/invisible");
118 Implementation eventlist[] = {
119 I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserJoin, I_OnUserPart, I_OnUserQuit,
120 I_OnHostCycle, I_OnSendWhoLine, I_OnNamesListItem
122 ServerInstance->Modules->Attach(eventlist, this, 8);
127 ServerInstance->Modes->DelMode(&qm);
128 ServerInstance->Modes->DelModeWatcher(&ido);
131 Version GetVersion();
132 void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts);
133 void OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts);
134 void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message);
135 ModResult OnHostCycle(User* user);
136 ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
137 ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
138 void OnSendWhoLine(User* source, User* user, Channel* channel, std::string& line);
139 void OnNamesListItem(User* issuer, Membership* memb, std::string &prefixes, std::string &nick);
142 Version ModuleInvisible::GetVersion()
144 return Version("Allows opers to join channels invisibly", VF_COMMON | VF_VENDOR);
147 static void BuildExcept(Membership* memb, CUList& excepts)
149 const UserMembList* users = memb->chan->GetUsers();
150 for(UserMembCIter i = users->begin(); i != users->end(); i++)
152 // hide from all local non-opers
153 if (IS_LOCAL(i->first) && !IS_OPER(i->first))
154 excepts.insert(i->first);
158 void ModuleInvisible::OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts)
160 if (memb->user->IsModeSet('Q'))
162 BuildExcept(memb, excepts);
163 ServerInstance->SNO->WriteToSnoMask('a', "\2NOTICE\2: Oper %s has joined %s invisibly (+Q)",
164 memb->user->GetFullHost().c_str(), memb->chan->name.c_str());
168 void ModuleInvisible::OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts)
170 if (memb->user->IsModeSet('Q'))
172 BuildExcept(memb, excepts);
176 void ModuleInvisible::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
178 if (user->IsModeSet('Q'))
180 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
181 std::vector<std::string> to_leave;
184 for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
185 to_leave.push_back((*f)->name);
186 /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
187 for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
189 std::vector<std::string> parameters;
190 parameters.push_back(*n);
191 /* This triggers our OnUserPart, above, making the PART silent */
192 parthandler->Handle(parameters, user);
198 ModResult ModuleInvisible::OnHostCycle(User* user)
200 return user->IsModeSet('Q') ? MOD_RES_DENY : MOD_RES_PASSTHRU;
203 /* No privmsg response when hiding - submitted by Eric at neowin */
204 ModResult ModuleInvisible::OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
206 if ((target_type == TYPE_USER) && (IS_LOCAL(user)))
208 User* target = (User*)dest;
209 if(target->IsModeSet('Q') && !IS_OPER(user))
211 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), target->nick.c_str());
215 return MOD_RES_PASSTHRU;
218 ModResult ModuleInvisible::OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
220 return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);
223 void ModuleInvisible::OnSendWhoLine(User* source, User* user, Channel* channel, std::string& line)
225 if (user->IsModeSet('Q') && !IS_OPER(source))
229 void ModuleInvisible::OnNamesListItem(User* issuer, Membership* memb, std::string &prefixes, std::string &nick)
231 if (memb->user->IsModeSet('Q') && !IS_OPER(issuer))
235 MODULE_INIT(ModuleInvisible)