X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=29d1f737003c88bf1c8576015a90ae69ae4e3eda;hb=99f79a4e5c3abbe91a03216824e7659051872054;hp=0ebf1f6c7aef142313c23f2e861129f1d7ade829;hpb=819147178db00008a215670992d0f532dd57f9e5;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/usermanager.cpp b/src/usermanager.cpp index 0ebf1f6c7..29d1f7370 100644 --- a/src/usermanager.cpp +++ b/src/usermanager.cpp @@ -1,144 +1,138 @@ -/* +------------------------------------+ - * | 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() + : clientlist(new user_hash) + , uuidlist(new user_hash) + , unregistered_count(0), local_count(0) +{ +} + +UserManager::~UserManager() +{ + for (user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i) + { + delete i->second; + } + + delete clientlist; + delete uuidlist; +} /* add a client connection to the sockets list */ -void UserManager::AddUser(InspIRCd* Instance, int socket, int port, bool iscached, sockaddr* ip, const std::string &targetip) +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. */ - User* New = NULL; + LocalUser* New = NULL; try { - New = new User(Instance); + New = new LocalUser(socket, client, server); } catch (...) { - Instance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed."); - Instance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!"); + 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; - char ipaddr[MAXBUF]; -#ifdef IPV6 - if (ip->sa_family == AF_INET6) - inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr)); - else -#endif - inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr)); - - New->SetFd(socket); - New->SetSockAddr(ip->sa_family, ipaddr, port); + // 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(Instance, I_OnHookUserIO, OnHookUserIO(New, targetip)); - - if (New->GetIOHook()) - { - try - { - New->GetIOHook()->OnRawSocketAccept(socket, ipaddr, port); - } - catch (CoreException& modexcept) - { - ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } - - Instance->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 = Instance->FindServerNamePtr(Instance->Config->ServerName); - New->ident.assign("unknown"); + New->nick = New->uuid; + (*(this->clientlist))[New->nick] = New; New->registered = REG_NONE; - New->signon = Instance->Time() + Instance->Config->dns_timeout; + 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); + + New->localuseriter = this->local_users.insert(local_users.end(), New); + local_count++; - Instance->Users->AddLocalClone(New); - Instance->Users->AddGlobalClone(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 */ - ConnectClass* i = New->SetClass(); - - if (!i) - { - this->QuitUser(New, "Access denied by configuration"); - return; - } + New->SetClass(); /* * 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() > Instance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)Instance->SE->GetMaxFds())) - { - Instance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", Instance->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. * besides that, if we get a positive bancache hit, we still won't fuck * them over if they are exempt. -- w00t */ - New->exempt = (Instance->XLines->MatchesLine("E",New) != NULL); + New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL); - if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString())) + if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString())) { if (!b->Type.empty() && !New->exempt) { /* user banned */ - Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString()); - if (*Instance->Config->MoronBanner) - New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), Instance->Config->MoronBanner); + 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 { - Instance->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 { if (!New->exempt) { - XLine* r = Instance->XLines->MatchesLine("Z",New); + XLine* r = ServerInstance->XLines->MatchesLine("Z",New); if (r) { @@ -148,140 +142,102 @@ void UserManager::AddUser(InspIRCd* Instance, int socket, int port, bool iscache } } - if (!Instance->SE->AddFd(New)) + if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE)) { - Instance->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 (Instance->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; } - user->quitting = true; + if (IS_SERVER(user)) + { + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit server user: " + user->nick); + return; + } - ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s '%s'", 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()); + user->quitting = true; - user->quietquit = false; - user->quitmsg = quitreason; + 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) - { - user->operquitmsg = quitreason; - oper_reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit); - } - else - { - user->operquitmsg = operreason; - oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit); - } + if (!operreason) + operreason = &reason; ServerInstance->GlobalCulls.AddItem(user); if (user->registered == REG_ALL) { - FOREACH_MOD_I(ServerInstance,I_OnUserQuit,OnUserQuit(user, reason, oper_reason)); - user->PurgeEmptyChannels(); - user->WriteCommonQuit(reason, oper_reason); + FOREACH_MOD(OnUserQuit, (user, reason, *operreason)); + user->WriteCommonQuit(reason, *operreason); } + else + unregistered_count--; - FOREACH_MOD_I(ServerInstance,I_OnUserDisconnect,OnUserDisconnect(user)); + if (IS_LOCAL(user)) + { + LocalUser* lu = IS_LOCAL(user); + FOREACH_MOD(OnUserDisconnect, (lu)); + lu->eh.Close(); - // Move the user onto their UID, to allow nick to be reused immediately - user->UpdateNickHash(user->uuid.c_str()); -} + 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()); + } + user_hash::iterator iter = this->clientlist->find(user->nick); + + if (iter != this->clientlist->end()) + this->clientlist->erase(iter); + else + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick); + + uuidlist->erase(user->uuid); +} void UserManager::AddLocalClone(User *user) { - int range = 32; - clonemap::iterator x; - switch (user->GetProtocolFamily()) - { - case AF_INET6: - range = ServerInstance->Config->c_ipv6_range; - break; - case AF_INET: - range = ServerInstance->Config->c_ipv4_range; - break; - } - - x = local_clones.find(user->GetCIDRMask(range)); - if (x != local_clones.end()) - x->second++; - else - local_clones[user->GetCIDRMask(range)] = 1; + local_clones[user->GetCIDRMask()]++; } void UserManager::AddGlobalClone(User *user) { - int range = 32; - clonemap::iterator x; - switch (user->GetProtocolFamily()) - { - case AF_INET6: - range = ServerInstance->Config->c_ipv6_range; - break; - case AF_INET: - range = ServerInstance->Config->c_ipv4_range; - break; - } - - x = global_clones.find(user->GetCIDRMask(range)); - if (x != global_clones.end()) - x->second++; - else - global_clones[user->GetCIDRMask(range)] = 1; + global_clones[user->GetCIDRMask()]++; } void UserManager::RemoveCloneCounts(User *user) { - int range = 32; - switch (user->GetProtocolFamily()) + if (IS_LOCAL(user)) { - case AF_INET6: - range = ServerInstance->Config->c_ipv6_range; - break; - case AF_INET: - range = ServerInstance->Config->c_ipv4_range; - break; - } - - clonemap::iterator x = local_clones.find(user->GetCIDRMask(range)); - if (x != local_clones.end()) - { - x->second--; - if (!x->second) + clonemap::iterator x = local_clones.find(user->GetCIDRMask()); + if (x != local_clones.end()) { - local_clones.erase(x); + x->second--; + if (!x->second) + { + local_clones.erase(x); + } } } - clonemap::iterator y = global_clones.find(user->GetCIDRMask(range)); + clonemap::iterator y = global_clones.find(user->GetCIDRMask()); if (y != global_clones.end()) { y->second--; @@ -294,17 +250,7 @@ void UserManager::RemoveCloneCounts(User *user) unsigned long UserManager::GlobalCloneCount(User *user) { - int range = 32; - switch (user->GetProtocolFamily()) - { - case AF_INET6: - range = ServerInstance->Config->c_ipv6_range; - break; - case AF_INET: - range = ServerInstance->Config->c_ipv4_range; - break; - } - clonemap::iterator x = global_clones.find(user->GetCIDRMask(range)); + clonemap::iterator x = global_clones.find(user->GetCIDRMask()); if (x != global_clones.end()) return x->second; else @@ -313,170 +259,112 @@ unsigned long UserManager::GlobalCloneCount(User *user) unsigned long UserManager::LocalCloneCount(User *user) { - int range = 32; - switch (user->GetProtocolFamily()) - { - case AF_INET6: - range = ServerInstance->Config->c_ipv6_range; - break; - case AF_INET: - range = ServerInstance->Config->c_ipv4_range; - break; - } - clonemap::iterator x = local_clones.find(user->GetCIDRMask(range)); + 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); + std::string message; + VAFORMAT(message, text, text); + message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message; - snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName, 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, 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; - } + LocalUser* curr = *i; - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - modelen = strlen(modes); + if (curr->quitting) + continue; - 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 = this->ServerInstance->Modes->FindMode(mode, MODETYPE_USER); - - if (mh) - return mh->GetCount(); - else - return 0; -}