X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=9c04c7889874830e683ea42a4d4649329f6083e4;hb=cec9265bdbb63c06d73cb983b3fc293905ed79d2;hp=5110375962e8476bdd10d23b76449e893b503fa7;hpb=b43fc66c17c2bef6dca66a966676b8128d5774ee;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/usermanager.cpp b/src/usermanager.cpp index 511037596..9c04c7889 100644 --- a/src/usermanager.cpp +++ b/src/usermanager.cpp @@ -1,21 +1,41 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 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 . */ -/* $Core */ #include "inspircd.h" #include "xline.h" -#include "bancache.h" +#include "iohook.h" + +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) @@ -26,56 +46,42 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs LocalUser* New = NULL; try { - New = new LocalUser(); + New = new LocalUser(socket, client, server); } catch (...) { - ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed."); + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "*** WTF *** Duplicated UUID! -- Crack smoking monkeys have been unleashed."); ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!"); return; } + UserIOHandler* eh = &New->eh; - New->SetFd(socket); - memcpy(&New->client_sa, client, sizeof(irc::sockets::sockaddrs)); - memcpy(&New->server_sa, server, sizeof(irc::sockets::sockaddrs)); + // If this listener has an IO hook provider set then tell it about the connection + if (via->iohookprov) + via->iohookprov->OnAccept(eh, client, server); - /* Give each of the modules an attempt to hook the user for I/O */ - FOREACH_MOD(I_OnHookIO, OnHookIO(New, via)); - - if (New->GetIOHook()) - { - try - { - New->GetIOHook()->OnStreamSocketAccept(New, client, server); - } - catch (CoreException& modexcept) - { - ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } - - ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket); this->unregistered_count++; - (*(this->clientlist))[New->uuid] = New; - /* The users default nick is their UUID */ - New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax); - - New->server = ServerInstance->Config->ServerName; - 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->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); + this->AddClone(New); - ServerInstance->Users->AddLocalClone(New); - ServerInstance->Users->AddGlobalClone(New); + this->local_users.push_front(New); + + 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"); + return; + } /* * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved. @@ -87,16 +93,9 @@ 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(); - - this->local_users.push_back(New); - - if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds())) - { - ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit); - this->QuitUser(New,"No more connections allowed"); + New->CheckClass(ServerInstance->Config->CCOnConnect); + if (New->quitting) return; - } /* * even with bancache, we still have to keep User::exempt current. @@ -105,20 +104,21 @@ 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->WriteNotice("*** " + 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 @@ -135,332 +135,206 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs } } - if (!ServerInstance->SE->AddFd(New, 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->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded."); - 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(OnSetUserIP, (New)); + if (New->quitting) + return; + + 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)); + user->WriteCommonQuit(reason, *operreason); } - - if (user->registered != REG_ALL) - if (ServerInstance->Users->unregistered_count) - ServerInstance->Users->unregistered_count--; + else + unregistered_count--; if (IS_LOCAL(user)) { - FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(IS_LOCAL(user))); - user->DoWrite(); - if (user->GetIOHook()) - { - try - { - user->GetIOHook()->OnStreamSocketClose(user); - } - catch (CoreException& modexcept) - { - ServerInstance->Logs->Log("USERS",DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } + LocalUser* lu = IS_LOCAL(user); + FOREACH_MOD(OnUserDisconnect, (lu)); + lu->eh.Close(); - ServerInstance->SE->DelFd(user); - user->Close(); - // user->Close() will set fd to -1; this breaks IS_LOCAL. Fix - user->SetFd(INT_MAX); + 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); } - /* - * 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]", - user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str()); - } - } - else - { - if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit)) - { - ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %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->AddToWhoWas(); - } - - user_hash::iterator iter = this->clientlist->find(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.."); -} - + if (!clientlist.erase(user->nick)) + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick); -void UserManager::AddLocalClone(User *user) -{ - clonemap::iterator x; - x = local_clones.find(user->GetCIDRMask()); - if (x != local_clones.end()) - x->second++; - else - local_clones[user->GetCIDRMask()] = 1; + uuidlist.erase(user->uuid); + user->PurgeEmptyChannels(); } -void UserManager::AddGlobalClone(User *user) +void UserManager::AddClone(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) { - clonemap::iterator x = local_clones.find(user->GetCIDRMask()); - if (x != local_clones.end()) + CloneMap::iterator it = clonemap.find(user->GetCIDRMask()); + if (it != clonemap.end()) { - x->second--; - if (!x->second) + CloneCounts& counts = it->second; + counts.global--; + if (counts.global == 0) { - 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) +const UserManager::CloneCounts& UserManager::GetCloneCounts(User* user) const { - clonemap::iterator x = global_clones.find(user->GetCIDRMask()); - if (x != global_clones.end()) - return x->second; + CloneMap::const_iterator it = clonemap.find(user->GetCIDRMask()); + if (it != clonemap.end()) + return it->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() -{ - return this->all_opers.size(); -} - -/* return how many users are unregistered */ -unsigned int UserManager::UnregisteredUserCount() -{ - return this->unregistered_count; -} - -/* return how many local registered users there are */ -unsigned int UserManager::LocalUserCount() -{ - /* Doesnt count unregistered clients */ - return (this->local_users.size() - this->UnregisteredUserCount()); + 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 (LocalUserList::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 (LocalUserList::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) { - User* t = *i; - t->WriteServ(std::string(formatbuffer)); + (**i).already_sent = 0; + (**i).RemoveExpiredInvites(); } } -void UserManager::WriteMode(const char* modes, int flags, const char* text, ...) +/* 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) { - char textbuffer[MAXBUF]; - int modelen; - va_list argsPtr; + ModResult res; + FIRST_MOD_RESULT(OnCheckReady, res, (user)); + return (res == MOD_RES_PASSTHRU); +} - if (!text || !modes || !flags) +/** + * 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() +{ + /* + * loop over all local users.. + */ + for (LocalUserList::iterator i = local_users.begin(); i != local_users.end(); ++i) { - ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter"); - return; - } - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - modelen = strlen(modes); + LocalUser* curr = *i; - if (flags == WM_AND) - { - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + if (curr->CommandFloodPenalty || curr->eh.getSendQSize()) { - User* t = *i; - bool send_to_user = true; + unsigned int rate = curr->MyClass->GetCommandRate(); + if (curr->CommandFloodPenalty > rate) + curr->CommandFloodPenalty -= rate; + else + curr->CommandFloodPenalty = 0; + curr->eh.OnDataReady(); + } - for (int n = 0; n < modelen; n++) - { - if (!t->IsModeSet(modes[n])) + switch (curr->registered) + { + case REG_ALL: + if (ServerInstance->Time() > curr->nping) { - send_to_user = false; - break; + // 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(); } - } - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer); - } - } - } - else if (flags == WM_OR) - { - for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) - { - User* t = *i; - bool send_to_user = false; - - for (int n = 0; n < modelen; n++) - { - if (t->IsModeSet(modes[n])) + break; + case REG_NICKUSER: + if (AllModulesReportReady(curr)) { - send_to_user = true; - break; + /* User has sent NICK/USER, modules are okay, DNS finished. */ + curr->FullConnect(); + continue; } - } + break; + } - if (send_to_user) - { - t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer); - } + if (curr->registered != REG_ALL && (ServerInstance->Time() > (curr->age + 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 how many users have a given mode e.g. 'a' */ -int UserManager::ModeCount(const char mode) -{ - ModeHandler* mh = ServerInstance->Modes->FindMode(mode, MODETYPE_USER); - - if (mh) - return mh->GetCount(); - else - return 0; -}