X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=7da57646fa207b36895c3d350eb3f4dd8197231b;hb=acb0d25d2b1f92f888a43ae96d98220a7d77e9b2;hp=3bf17cda273941a8d03398eb36a63a02033cfedc;hpb=f96eeeddab6b799efcebec80fdf64a58cab122f5;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/usermanager.cpp b/src/usermanager.cpp index 3bf17cda2..7da57646f 100644 --- a/src/usermanager.cpp +++ b/src/usermanager.cpp @@ -1,17 +1,405 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/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: libIRCDusermanager */ #include "inspircd.h" +#include "xline.h" +#include "bancache.h" + +/* 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* New = NULL; + try + { + New = new LocalUser(socket, client, server); + } + catch (...) + { + 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; + + /* 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 + { + eh->GetIOHook()->OnStreamSocketAccept(eh, 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); + + 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->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); + + ServerInstance->Users->AddLocalClone(New); + ServerInstance->Users->AddGlobalClone(New); + + 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"); + return; + } + + /* + * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved. + * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t + */ + New->SetClass(); + + /* + * Check connect class settings and initialise settings into User. + * This will be done again after DNS resolution. -- w00t + */ + New->CheckClass(); + if (New->quitting) + return; + + /* + * even with bancache, we still have to keep User::exempt current. + * besides that, if we get a positive bancache hit, we still won't fuck + * them over if they are exempt. -- w00t + */ + New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL); + + if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString())) + { + 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()); + this->QuitUser(New, b->Reason); + return; + } + else + { + ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString()); + } + } + else + { + if (!New->exempt) + { + XLine* r = ServerInstance->XLines->MatchesLine("Z",New); + + if (r) + { + r->Apply(New); + return; + } + } + } + + if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE)) + { + ServerInstance->Logs->Log("USERS", 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."); + + FOREACH_MOD(I_OnUserInit,OnUserInit(New)); + + 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(); + } +} + +void UserManager::QuitUser(User *user, const std::string &quitreason, const char* 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()); + return; + } + + if (IS_SERVER(user)) + { + ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str()); + 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()); + + 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; + + ServerInstance->GlobalCulls.AddItem(user); + + if (user->registered == REG_ALL) + { + FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason)); + user->WriteCommonQuit(reason, oper_reason); + } + + if (user->registered != REG_ALL) + if (ServerInstance->Users->unregistered_count) + ServerInstance->Users->unregistered_count--; + + if (IS_LOCAL(user)) + { + LocalUser* lu = IS_LOCAL(user); + FOREACH_MOD(I_OnUserDisconnect,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 +s +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(), user->GetIPString(), 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) [%s]", + user->server.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), user->GetIPString(), 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.."); + + ServerInstance->Users->uuidlist->erase(user->uuid); +} + + +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; +} + +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; +} + +void UserManager::RemoveCloneCounts(User *user) +{ + if (IS_LOCAL(user)) + { + clonemap::iterator x = local_clones.find(user->GetCIDRMask()); + if (x != local_clones.end()) + { + x->second--; + if (!x->second) + { + local_clones.erase(x); + } + } + } + + clonemap::iterator y = global_clones.find(user->GetCIDRMask()); + if (y != global_clones.end()) + { + y->second--; + if (!y->second) + { + global_clones.erase(y); + } + } +} + +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() +{ + 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()); +} + +void UserManager::ServerNoticeAll(const char* text, ...) +{ + 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,"NOTICE $%s :%s", ServerInstance->Config->ServerName.c_str(), textbuffer); + + for (std::vector::const_iterator i = local_users.begin(); i != local_users.end(); i++) + { + User* t = *i; + t->WriteServ(std::string(formatbuffer)); + } +} + +void UserManager::ServerPrivmsgAll(const char* text, ...) +{ + 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++) + { + User* t = *i; + t->WriteServ(std::string(formatbuffer)); + } +} + +/* return how many users have a given mode e.g. 'a' */ +int UserManager::ModeCount(const char mode) +{ + int c = 0; + for(user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i) + { + User* u = i->second; + if (u->modes[mode-65]) + c++; + } + return c; +}