2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Dennis Friis <peavey@inspircd.org>
6 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
7 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
9 * This file is part of InspIRCd. InspIRCd is free software: you can
10 * redistribute it and/or modify it under the terms of the GNU General Public
11 * License as published by the Free Software Foundation, version 2.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 UserManager::UserManager()
28 : unregistered_count(0)
32 UserManager::~UserManager()
34 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); ++i)
40 /* add a client connection to the sockets list */
41 void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
43 /* NOTE: Calling this one parameter constructor for User automatically
44 * allocates a new UUID and places it in the hash_map.
46 LocalUser* New = NULL;
49 New = new LocalUser(socket, client, server);
53 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "*** WTF *** Duplicated UUID! -- Crack smoking monkeys have been unleashed.");
54 ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
57 UserIOHandler* eh = &New->eh;
59 // If this listener has an IO hook provider set then tell it about the connection
61 via->iohookprov->OnAccept(eh, client, server);
63 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket);
65 this->unregistered_count++;
67 /* The users default nick is their UUID */
68 New->nick = New->uuid;
69 this->clientlist[New->nick] = New;
71 New->registered = REG_NONE;
72 New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
77 this->local_users.push_front(New);
79 if (this->local_users.size() > ServerInstance->Config->SoftLimit)
81 ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
82 this->QuitUser(New,"No more connections allowed");
87 * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
88 * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
93 * Check connect class settings and initialise settings into User.
94 * This will be done again after DNS resolution. -- w00t
96 New->CheckClass(ServerInstance->Config->CCOnConnect);
101 * even with bancache, we still have to keep User::exempt current.
102 * besides that, if we get a positive bancache hit, we still won't fuck
103 * them over if they are exempt. -- w00t
105 New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
107 BanCacheHit* const b = ServerInstance->BanCache.GetHit(New->GetIPString());
110 if (!b->Type.empty() && !New->exempt)
113 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString());
114 if (!ServerInstance->Config->XLineMessage.empty())
115 New->WriteNotice("*** " + ServerInstance->Config->XLineMessage);
116 this->QuitUser(New, b->Reason);
121 ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Negative hit for " + New->GetIPString());
128 XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
138 if (!SocketEngine::AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
140 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection");
141 this->QuitUser(New, "Internal error handling connection");
144 if (ServerInstance->Config->RawLog)
145 New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
147 FOREACH_MOD(OnSetUserIP, (New));
151 FOREACH_MOD(OnUserInit, (New));
154 void UserManager::QuitUser(User* user, const std::string& quitreason, const std::string* operreason)
158 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit quitting user: " + user->nick);
164 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit server user: " + user->nick);
168 user->quitting = true;
170 ServerInstance->Logs->Log("USERS", LOG_DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
171 user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), operreason ? operreason->c_str() : quitreason.c_str());
174 reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
176 operreason = &reason;
178 ServerInstance->GlobalCulls.AddItem(user);
180 if (user->registered == REG_ALL)
182 FOREACH_MOD(OnUserQuit, (user, reason, *operreason));
183 user->WriteCommonQuit(reason, *operreason);
186 unregistered_count--;
190 LocalUser* lu = IS_LOCAL(user);
191 FOREACH_MOD(OnUserDisconnect, (lu));
194 if (lu->registered == REG_ALL)
195 ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]", user->GetFullRealHost().c_str(), user->GetIPString().c_str(), operreason->c_str());
198 if (!clientlist.erase(user->nick))
199 ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick);
201 uuidlist.erase(user->uuid);
202 user->PurgeEmptyChannels();
205 void UserManager::AddClone(User* user)
207 CloneCounts& counts = clonemap[user->GetCIDRMask()];
213 void UserManager::RemoveCloneCounts(User *user)
215 CloneMap::iterator it = clonemap.find(user->GetCIDRMask());
216 if (it != clonemap.end())
218 CloneCounts& counts = it->second;
220 if (counts.global == 0)
222 // No more users from this IP, remove entry from the map
232 const UserManager::CloneCounts& UserManager::GetCloneCounts(User* user) const
234 CloneMap::const_iterator it = clonemap.find(user->GetCIDRMask());
235 if (it != clonemap.end())
238 return zeroclonecounts;
241 void UserManager::ServerNoticeAll(const char* text, ...)
244 VAFORMAT(message, text, text);
245 message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message;
247 for (LocalUserList::const_iterator i = local_users.begin(); i != local_users.end(); i++)
250 t->WriteServ(message);
254 void UserManager::GarbageCollect()
256 // Reset the already_sent IDs so we don't wrap it around and drop a message
257 LocalUser::already_sent_id = 0;
258 for (LocalUserList::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
260 (**i).already_sent = 0;
261 (**i).RemoveExpiredInvites();
265 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
266 * (until this returns true, a user will block in the waiting state, waiting to connect up to the
267 * registration timeout maximum seconds)
269 bool UserManager::AllModulesReportReady(LocalUser* user)
272 FIRST_MOD_RESULT(OnCheckReady, res, (user));
273 return (res == MOD_RES_PASSTHRU);
277 * This function is called once a second from the mainloop.
278 * It is intended to do background checking on all the user structs, e.g.
279 * stuff like ping checks, registration timeouts, etc.
281 void UserManager::DoBackgroundUserStuff()
284 * loop over all local users..
286 for (LocalUserList::iterator i = local_users.begin(); i != local_users.end(); ++i)
288 LocalUser* curr = *i;
293 if (curr->CommandFloodPenalty || curr->eh.getSendQSize())
295 unsigned int rate = curr->MyClass->GetCommandRate();
296 if (curr->CommandFloodPenalty > rate)
297 curr->CommandFloodPenalty -= rate;
299 curr->CommandFloodPenalty = 0;
300 curr->eh.OnDataReady();
303 switch (curr->registered)
306 if (ServerInstance->Time() > curr->nping)
308 // This user didn't answer the last ping, remove them
311 time_t time = ServerInstance->Time() - (curr->nping - curr->MyClass->GetPingTime());
312 const std::string message = "Ping timeout: " + ConvToStr(time) + (time != 1 ? " seconds" : " second");
313 this->QuitUser(curr, message);
317 curr->Write("PING :" + ServerInstance->Config->ServerName);
319 curr->nping = ServerInstance->Time() + curr->MyClass->GetPingTime();
323 if (AllModulesReportReady(curr))
325 /* User has sent NICK/USER, modules are okay, DNS finished. */
332 if (curr->registered != REG_ALL && (ServerInstance->Time() > (curr->age + curr->MyClass->GetRegTimeout())))
335 * registration timeout -- didnt send USER/NICK/HOST
336 * in the time specified in their connection class.
338 this->QuitUser(curr, "Registration timeout");