X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=7e92507ca77b5844f3db08f8b5cb1ffa1e5eb9d2;hb=8320bcc9df1ea89a47257c9f9c70aa6d476beaa8;hp=2d696c2a3d7a536e68643d57bc0c05c59b9e039b;hpb=f5c631ef8641db6455bed23c02e5a39f63f7d6d0;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/usermanager.cpp b/src/usermanager.cpp index 2d696c2a3..7e92507ca 100644 --- a/src/usermanager.cpp +++ b/src/usermanager.cpp @@ -1,78 +1,96 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2008 Dennis Friis + * Copyright (C) 2008 Robin Burchell + * Copyright (C) 2008 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + #include "inspircd.h" #include "xline.h" -#include "bancache.h" +#include "iohook.h" -/* add a client connection to the sockets list */ -void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) +namespace { - /* NOTE: Calling this one parameter constructor for User automatically - * allocates a new UUID and places it in the hash_map. - */ - LocalUser* New = NULL; - try - { - New = new LocalUser(socket, client, server); - } - catch (...) + class WriteCommonQuit : public User::ForEachNeighborHandler { - ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed."); - ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!"); - return; - } - UserIOHandler* eh = &New->eh; + std::string line; + std::string operline; - /* Give each of the modules an attempt to hook the user for I/O */ - FOREACH_MOD(I_OnHookIO, OnHookIO(eh, via)); - - if (eh->GetIOHook()) - { - try + void Execute(LocalUser* user) CXX11_OVERRIDE { - eh->GetIOHook()->OnStreamSocketAccept(eh, client, server); + user->Write(user->IsOper() ? operline : line); } - catch (CoreException& modexcept) + + public: + WriteCommonQuit(User* user, const std::string& msg, const std::string& opermsg) + : line(":" + user->GetFullHost() + " QUIT :") + , operline(line) { - ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); + line += msg; + operline += opermsg; + user->ForEachNeighbor(*this, false); } + }; +} + +UserManager::UserManager() + : unregistered_count(0) +{ +} + +UserManager::~UserManager() +{ + for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); ++i) + { + delete i->second; } +} + +/* add a client connection to the sockets list */ +void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server) +{ + /* NOTE: Calling this one parameter constructor for User automatically + * allocates a new UUID and places it in the hash_map. + */ + LocalUser* const New = new LocalUser(socket, client, server); + UserIOHandler* eh = &New->eh; + + // If this listener has an IO hook provider set then tell it about the connection + if (via->iohookprov) + via->iohookprov->OnAccept(eh, client, server); - ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket); this->unregistered_count++; /* The users default nick is their UUID */ - New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax); - (*(this->clientlist))[New->nick] = New; - - New->ident.assign("unknown"); + New->nick = New->uuid; + this->clientlist[New->nick] = New; New->registered = REG_NONE; - New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout; + New->signon = ServerInstance->Time(); New->lastping = 1; - /* Smarter than your average bear^H^H^H^Hset of strlcpys. */ - New->dhost.assign(New->GetIPString(), 0, 64); - New->host.assign(New->GetIPString(), 0, 64); - - ServerInstance->Users->AddLocalClone(New); - ServerInstance->Users->AddGlobalClone(New); + this->AddClone(New); - this->local_users.push_back(New); + this->local_users.push_front(New); - if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds())) + if (this->local_users.size() > ServerInstance->Config->SoftLimit) { ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit); this->QuitUser(New,"No more connections allowed"); @@ -89,7 +107,7 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs * Check connect class settings and initialise settings into User. * This will be done again after DNS resolution. -- w00t */ - New->CheckClass(); + New->CheckClass(ServerInstance->Config->CCOnConnect); if (New->quitting) return; @@ -100,20 +118,21 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs */ New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL); - if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString())) + BanCacheHit* const b = ServerInstance->BanCache.GetHit(New->GetIPString()); + if (b) { if (!b->Type.empty() && !New->exempt) { /* user banned */ - ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString()); - if (!ServerInstance->Config->MoronBanner.empty()) - New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner.c_str()); + ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString()); + if (!ServerInstance->Config->XLineMessage.empty()) + New->WriteNumeric(ERR_YOUREBANNEDCREEP, ":" + ServerInstance->Config->XLineMessage); this->QuitUser(New, b->Reason); return; } else { - ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString()); + ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Negative hit for " + New->GetIPString()); } } else @@ -130,267 +149,225 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs } } - if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE)) + if (!SocketEngine::AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE)) { - ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection"); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection"); this->QuitUser(New, "Internal error handling connection"); } - /* NOTE: even if dns lookups are *off*, we still need to display this. - * BOPM and other stuff requires it. - */ - New->WriteServ("NOTICE Auth :*** Looking up your hostname..."); if (ServerInstance->Config->RawLog) - New->WriteServ("NOTICE Auth :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded."); + New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded."); - FOREACH_MOD(I_OnUserInit,OnUserInit(New)); + FOREACH_MOD(OnSetUserIP, (New)); + if (New->quitting) + return; - if (ServerInstance->Config->NoUserDns) - { - New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str()); - New->dns_done = true; - } - else - { - New->StartDNSLookup(); - } + FOREACH_MOD(OnUserInit, (New)); } -void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason) +void UserManager::QuitUser(User* user, const std::string& quitreason, const std::string* operreason) { if (user->quitting) { - ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str()); + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit quitting user: " + user->nick); return; } if (IS_SERVER(user)) { - ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str()); + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit server user: " + user->nick); return; } user->quitting = true; - ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str()); - user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str()); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str()); + user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), operreason ? operreason->c_str() : quitreason.c_str()); std::string reason; - std::string oper_reason; reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit); - if (operreason && *operreason) - oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit); - else - oper_reason = quitreason; + if (!operreason) + operreason = &reason; ServerInstance->GlobalCulls.AddItem(user); if (user->registered == REG_ALL) { - FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason)); - user->WriteCommonQuit(reason, oper_reason); + FOREACH_MOD(OnUserQuit, (user, reason, *operreason)); + WriteCommonQuit(user, reason, *operreason); } - - if (user->registered != REG_ALL) - if (ServerInstance->Users->unregistered_count) - ServerInstance->Users->unregistered_count--; + else + unregistered_count--; if (IS_LOCAL(user)) { LocalUser* lu = IS_LOCAL(user); - FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(lu)); + FOREACH_MOD(OnUserDisconnect, (lu)); lu->eh.Close(); - } - /* - * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything - * if they were an oper with +sn +qQ. - */ - if (user->registered == REG_ALL) - { - if (IS_LOCAL(user)) - { - if (!user->quietquit) - { - ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s] (%s)", - user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str(), user->GetIPString()); - } - } - else - { - if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit)) - { - ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s] (%s)", - user->server.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str(), user->GetIPString()); - } - } - user->AddToWhoWas(); + if (lu->registered == REG_ALL) + ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]", user->GetFullRealHost().c_str(), user->GetIPString().c_str(), operreason->c_str()); + local_users.erase(lu); } - user_hash::iterator iter = this->clientlist->find(user->nick); + if (!clientlist.erase(user->nick)) + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick); - if (iter != this->clientlist->end()) - this->clientlist->erase(iter); - else - ServerInstance->Logs->Log("USERS", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic.."); - - ServerInstance->Users->uuidlist->erase(user->uuid); + uuidlist.erase(user->uuid); + user->PurgeEmptyChannels(); } - -void UserManager::AddLocalClone(User *user) +void UserManager::AddClone(User* user) { - clonemap::iterator x; - x = local_clones.find(user->GetCIDRMask()); - if (x != local_clones.end()) - x->second++; - else - local_clones[user->GetCIDRMask()] = 1; -} - -void UserManager::AddGlobalClone(User *user) -{ - clonemap::iterator x; - - x = global_clones.find(user->GetCIDRMask()); - if (x != global_clones.end()) - x->second++; - else - global_clones[user->GetCIDRMask()] = 1; + CloneCounts& counts = clonemap[user->GetCIDRMask()]; + counts.global++; + if (IS_LOCAL(user)) + counts.local++; } void UserManager::RemoveCloneCounts(User *user) { - if (IS_LOCAL(user)) + CloneMap::iterator it = clonemap.find(user->GetCIDRMask()); + if (it != clonemap.end()) { - clonemap::iterator x = local_clones.find(user->GetCIDRMask()); - if (x != local_clones.end()) + CloneCounts& counts = it->second; + counts.global--; + if (counts.global == 0) { - x->second--; - if (!x->second) - { - local_clones.erase(x); - } + // No more users from this IP, remove entry from the map + clonemap.erase(it); + return; } - } - clonemap::iterator y = global_clones.find(user->GetCIDRMask()); - if (y != global_clones.end()) - { - y->second--; - if (!y->second) - { - global_clones.erase(y); - } + if (IS_LOCAL(user)) + counts.local--; } } -unsigned long UserManager::GlobalCloneCount(User *user) -{ - clonemap::iterator x = global_clones.find(user->GetCIDRMask()); - if (x != global_clones.end()) - return x->second; - else - return 0; -} - -unsigned long UserManager::LocalCloneCount(User *user) -{ - clonemap::iterator x = local_clones.find(user->GetCIDRMask()); - if (x != local_clones.end()) - return x->second; - else - return 0; -} - -/* this function counts all users connected, wether they are registered or NOT. */ -unsigned int UserManager::UserCount() -{ - /* - * XXX: Todo: - * As part of this restructuring, move clientlist/etc fields into usermanager. - * -- w00t - */ - return this->clientlist->size(); -} - -/* this counts only registered users, so that the percentages in /MAP don't mess up */ -unsigned int UserManager::RegisteredUserCount() -{ - return this->clientlist->size() - this->UnregisteredUserCount(); -} - -/* return how many users are opered */ -unsigned int UserManager::OperCount() +void UserManager::RehashCloneCounts() { - return this->all_opers.size(); -} + clonemap.clear(); -/* return how many users are unregistered */ -unsigned int UserManager::UnregisteredUserCount() -{ - return this->unregistered_count; + const user_hash& hash = ServerInstance->Users.GetUsers(); + for (user_hash::const_iterator i = hash.begin(); i != hash.end(); ++i) + { + User* u = i->second; + AddClone(u); + } } -/* return how many local registered users there are */ -unsigned int UserManager::LocalUserCount() +const UserManager::CloneCounts& UserManager::GetCloneCounts(User* user) const { - /* Doesnt count unregistered clients */ - return (this->local_users.size() - this->UnregisteredUserCount()); + CloneMap::const_iterator it = clonemap.find(user->GetCIDRMask()); + if (it != clonemap.end()) + return it->second; + else + return zeroclonecounts; } void UserManager::ServerNoticeAll(const char* text, ...) { - if (!text) - return; + std::string message; + VAFORMAT(message, text, text); + message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message; - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName.c_str(), textbuffer); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + for (LocalList::const_iterator i = local_users.begin(); i != local_users.end(); ++i) { User* t = *i; - t->WriteServ(std::string(formatbuffer)); + t->WriteServ(message); } } -void UserManager::ServerPrivmsgAll(const char* text, ...) +void UserManager::GarbageCollect() { - if (!text) - return; - - char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; - va_list argsPtr; - va_start (argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName.c_str(), textbuffer); - - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + // Reset the already_sent IDs so we don't wrap it around and drop a message + LocalUser::already_sent_id = 0; + for (LocalList::const_iterator i = local_users.begin(); i != local_users.end(); ++i) { - User* t = *i; - t->WriteServ(std::string(formatbuffer)); + (**i).already_sent = 0; + (**i).RemoveExpiredInvites(); } } +/* this returns true when all modules are satisfied that the user should be allowed onto the irc server + * (until this returns true, a user will block in the waiting state, waiting to connect up to the + * registration timeout maximum seconds) + */ +bool UserManager::AllModulesReportReady(LocalUser* user) +{ + ModResult res; + FIRST_MOD_RESULT(OnCheckReady, res, (user)); + return (res == MOD_RES_PASSTHRU); +} -/* return how many users have a given mode e.g. 'a' */ -int UserManager::ModeCount(const char mode) +/** + * This function is called once a second from the mainloop. + * It is intended to do background checking on all the user structs, e.g. + * stuff like ping checks, registration timeouts, etc. + */ +void UserManager::DoBackgroundUserStuff() { - int c = 0; - for(user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i) + /* + * loop over all local users.. + */ + for (LocalList::iterator i = local_users.begin(); i != local_users.end(); ) { - User* u = i->second; - if (u->modes[mode-65]) - c++; + // It's possible that we quit the user below due to ping timeout etc. and QuitUser() removes it from the list + LocalUser* curr = *i; + ++i; + + if (curr->CommandFloodPenalty || curr->eh.getSendQSize()) + { + unsigned int rate = curr->MyClass->GetCommandRate(); + if (curr->CommandFloodPenalty > rate) + curr->CommandFloodPenalty -= rate; + else + curr->CommandFloodPenalty = 0; + curr->eh.OnDataReady(); + } + + switch (curr->registered) + { + case REG_ALL: + if (ServerInstance->Time() >= curr->nping) + { + // This user didn't answer the last ping, remove them + if (!curr->lastping) + { + time_t time = ServerInstance->Time() - (curr->nping - curr->MyClass->GetPingTime()); + const std::string message = "Ping timeout: " + ConvToStr(time) + (time != 1 ? " seconds" : " second"); + this->QuitUser(curr, message); + continue; + } + + curr->Write("PING :" + ServerInstance->Config->ServerName); + curr->lastping = 0; + curr->nping = ServerInstance->Time() + curr->MyClass->GetPingTime(); + } + break; + case REG_NICKUSER: + if (AllModulesReportReady(curr)) + { + /* User has sent NICK/USER, modules are okay, DNS finished. */ + curr->FullConnect(); + continue; + } + + // If the user has been quit in OnCheckReady then we shouldn't + // quit them again for having a registration timeout. + if (curr->quitting) + continue; + break; + } + + if (curr->registered != REG_ALL && curr->MyClass && (ServerInstance->Time() > (curr->signon + curr->MyClass->GetRegTimeout()))) + { + /* + * registration timeout -- didnt send USER/NICK/HOST + * in the time specified in their connection class. + */ + this->QuitUser(curr, "Registration timeout"); + continue; + } } - return c; }