X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusers.cpp;h=9f4060968e61792847619598e76c1e586445db8f;hb=4b41feea830fc84e8c1b2fd0982f3e8d8840af96;hp=73c4414372bee4adfabe901967feb17f829d720b;hpb=2aae57ca07b3de40feb72a21b2f2dea521665d80;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/users.cpp b/src/users.cpp index 73c441437..9f4060968 100644 --- a/src/users.cpp +++ b/src/users.cpp @@ -1,54 +1,35 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2006-2009 Robin Burchell + * Copyright (C) 2006-2007, 2009 Dennis Friis + * Copyright (C) 2008 John Brooks + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2008 Oliver Lupton + * Copyright (C) 2003-2008 Craig Edwards * - * InspIRCd: (C) 2002-2010 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * 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 free but copyrighted software; see - * the file COPYING for details. + * 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 #include "socketengine.h" #include "xline.h" #include "bancache.h" -#include "commands/cmd_whowas.h" - -typedef unsigned int uniq_id_t; -class sent -{ - uniq_id_t uniq_id; - uniq_id_t* array; - void init() - { - if (!array) - array = new uniq_id_t[ServerInstance->SE->GetMaxFds()]; - memset(array, 0, ServerInstance->SE->GetMaxFds() * sizeof(uniq_id_t)); - uniq_id++; - } - public: - sent() : uniq_id(static_cast(-1)), array(NULL) {} - inline uniq_id_t operator++() - { - if (++uniq_id == 0) - init(); - return uniq_id; - } - inline uniq_id_t& operator[](int i) - { - return array[i]; - } - ~sent() - { - delete[] array; - } -}; -static sent already_sent; +already_sent_t LocalUser::already_sent_id = 0; std::string User::ProcessNoticeMasks(const char *sm) { @@ -67,9 +48,9 @@ std::string User::ProcessNoticeMasks(const char *sm) adding = false; break; case '*': - for (unsigned char d = 'A'; d <= 'z'; d++) + for (unsigned char d = 'a'; d <= 'z'; d++) { - if (ServerInstance->SNO->IsEnabled(d)) + if (!ServerInstance->SNO->masks[d - 'a'].Description.empty()) { if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding)) { @@ -80,12 +61,23 @@ std::string User::ProcessNoticeMasks(const char *sm) output += d; } + oldadding = adding; + char u = toupper(d); + if ((!IsNoticeMaskSet(u) && adding) || (IsNoticeMaskSet(u) && !adding)) + { + if ((oldadding != adding) || (!output.length())) + output += (adding ? '+' : '-'); + + this->SetNoticeMask(u, adding); + + output += u; + } + oldadding = adding; } - oldadding = adding; } break; default: - if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c))) + if (isalpha(*c)) { if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding)) { @@ -116,25 +108,6 @@ std::string User::ProcessNoticeMasks(const char *sm) return output; } -void LocalUser::StartDNSLookup() -{ - try - { - bool cached = false; - const char* sip = this->GetIPString(); - UserResolver *res_reverse; - - QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4; - res_reverse = new UserResolver(this, sip, resolvtype, cached); - - ServerInstance->AddResolver(res_reverse, cached); - } - catch (CoreException& e) - { - ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason()); - } -} - bool User::IsNoticeMaskSet(unsigned char sm) { if (!isalpha(sm)) @@ -207,12 +180,12 @@ User::User(const std::string &uid, const std::string& sid, int type) : uuid(uid), server(sid), usertype(type) { age = ServerInstance->Time(); - signon = idle_lastmsg = 0; + signon = 0; registered = 0; - quietquit = quitting = exempt = dns_done = false; + quietquit = quitting = false; client_sa.sa.sa_family = AF_UNSPEC; - ServerInstance->Logs->Log("USERS", DEBUG, "New UUID for user: %s", uuid.c_str()); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str()); user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid); if (finduuid == ServerInstance->Users->uuidlist->end()) @@ -222,21 +195,25 @@ User::User(const std::string &uid, const std::string& sid, int type) } LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr) - : User(ServerInstance->GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this) -{ - bytes_in = bytes_out = cmds_in = cmds_out = 0; - server_sa.sa.sa_family = AF_UNSPEC; - CommandFloodPenalty = 0; - lastping = nping = 0; + : User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this), + localuseriter(ServerInstance->Users->local_users.end()), + bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0), + already_sent(0) +{ + exempt = quitting_sendq = false; + idle_lastmsg = 0; + ident = "unknown"; + lastping = 0; eh.SetFd(myfd); memcpy(&client_sa, client, sizeof(irc::sockets::sockaddrs)); memcpy(&server_sa, servaddr, sizeof(irc::sockets::sockaddrs)); + dhost = host = GetIPString(); } User::~User() { if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end()) - ServerInstance->Logs->Log("USERS", DEFAULT, "User destructor for %s called without cull", uuid.c_str()); + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str()); } const std::string& User::MakeHost() @@ -270,7 +247,7 @@ const std::string& User::MakeHostIP() for(const char* n = ident.c_str(); *n; n++) *t++ = *n; *t++ = '@'; - for(const char* n = this->GetIPString(); *n; n++) + for(const char* n = this->GetIPString().c_str(); *n; n++) *t++ = *n; *t = 0; @@ -335,75 +312,27 @@ const std::string& User::GetFullRealHost() return this->cached_fullrealhost; } -bool LocalUser::IsInvited(const irc::string &channel) -{ - time_t now = ServerInstance->Time(); - InvitedList::iterator safei; - for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) - { - if (channel == i->first) - { - if (i->second != 0 && now > i->second) - { - /* Expired invite, remove it. */ - safei = i; - --i; - invites.erase(safei); - continue; - } - return true; - } - } - return false; -} - -InvitedList* LocalUser::GetInviteList() +InviteList& LocalUser::GetInviteList() { - time_t now = ServerInstance->Time(); - /* Weed out expired invites here. */ - InvitedList::iterator safei; - for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) - { - if (i->second != 0 && now > i->second) - { - /* Expired invite, remove it. */ - safei = i; - --i; - invites.erase(safei); - } - } - return &invites; + RemoveExpiredInvites(); + return invites; } -void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout) +bool LocalUser::RemoveInvite(Channel* chan) { - time_t now = ServerInstance->Time(); - if (invtimeout != 0 && now > invtimeout) return; /* Don't add invites that are expired from the get-go. */ - for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) + Invitation* inv = Invitation::Find(chan, this); + if (inv) { - if (channel == i->first) - { - if (i->second != 0 && invtimeout > i->second) - { - i->second = invtimeout; - } - - return; - } + inv->cull(); + delete inv; + return true; } - invites.push_back(std::make_pair(channel, invtimeout)); + return false; } -void LocalUser::RemoveInvite(const irc::string &channel) +void LocalUser::RemoveExpiredInvites() { - for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++) - { - if (channel == i->first) - { - invites.erase(i); - return; - } - } + Invitation::Find(NULL, this); } bool User::HasModePermission(unsigned char, ModeType) @@ -413,7 +342,7 @@ bool User::HasModePermission(unsigned char, ModeType) bool LocalUser::HasModePermission(unsigned char mode, ModeType type) { - if (!IS_OPER(this)) + if (!this->IsOper()) return false; if (mode < 'A' || mode > ('A' + 64)) return false; @@ -436,7 +365,7 @@ bool User::HasPermission(const std::string&) bool LocalUser::HasPermission(const std::string &command) { // are they even an oper at all? - if (!IS_OPER(this)) + if (!this->IsOper()) { return false; } @@ -456,10 +385,10 @@ bool User::HasPrivPermission(const std::string &privstr, bool noisy) bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy) { - if (!IS_OPER(this)) + if (!this->IsOper()) { if (noisy) - this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str()); + this->WriteNotice("You are not an oper"); return false; } @@ -473,7 +402,8 @@ bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy) } if (noisy) - this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str()); + this->WriteNotice("Oper type " + std::string(oper->NameStr()) + " does not have access to priv " + privstr); + return false; } @@ -487,6 +417,7 @@ void UserIOHandler::OnDataReady() ServerInstance->Users->QuitUser(user, "RecvQ exceeded"); ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu", user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax()); + return; } unsigned long sendqmax = ULONG_MAX; if (!user->HasPrivPermission("users/flood/increased-buffers")) @@ -531,25 +462,19 @@ eol_found: if (user->quitting) return; } - // Add pseudo-penalty so that we continue processing after sendq recedes - if (user->CommandFloodPenalty == 0 && getSendQSize() >= sendqmax) - user->CommandFloodPenalty++; if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag) ServerInstance->Users->QuitUser(user, "Excess Flood"); } void UserIOHandler::AddWriteBuf(const std::string &data) { + if (user->quitting_sendq) + return; if (!user->quitting && getSendQSize() + data.length() > user->MyClass->GetSendqHardMax() && !user->HasPrivPermission("users/flood/increased-buffers")) { - /* - * Quit the user FIRST, because otherwise we could recurse - * here and hit the same limit. - */ - ServerInstance->Users->QuitUser(user, "SendQ exceeded"); - ServerInstance->SNO->WriteToSnoMask('a', "User %s SendQ exceeds connect class maximum of %lu", - user->nick.c_str(), user->MyClass->GetSendqHardMax()); + user->quitting_sendq = true; + ServerInstance->GlobalCulls.AddSQItem(user); return; } @@ -570,23 +495,23 @@ CullResult User::cull() ServerInstance->Users->QuitUser(this, "Culled without QuitUser"); PurgeEmptyChannels(); - this->InvalidateCache(); - if (client_sa.sa.sa_family != AF_UNSPEC) ServerInstance->Users->RemoveCloneCounts(this); - ServerInstance->Users->uuidlist->erase(uuid); return Extensible::cull(); } CullResult LocalUser::cull() { - std::vector::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),this); - if (x != ServerInstance->Users->local_users.end()) - ServerInstance->Users->local_users.erase(x); + // The iterator is initialized to local_users.end() in the constructor. It is + // overwritten in UserManager::AddUser() with the real iterator so this check + // is only a precaution currently. + if (localuseriter != ServerInstance->Users->local_users.end()) + ServerInstance->Users->local_users.erase(localuseriter); else - ServerInstance->Logs->Log("USERS", DEBUG, "Failed to remove user from vector"); + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick); + ClearInvites(); eh.cull(); return User::cull(); } @@ -595,6 +520,8 @@ CullResult FakeUser::cull() { // Fake users don't quit, they just get culled. quitting = true; + ServerInstance->Users->clientlist->erase(nick); + ServerInstance->Users->uuidlist->erase(uuid); return User::cull(); } @@ -620,17 +547,14 @@ void User::Oper(OperInfo* info) l->ChangeDisplayedHost(vhost.c_str()); std::string opClass = oper->getConfig("class"); if (!opClass.empty()) - { l->SetClass(opClass); - l->CheckClass(); - } } ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')", nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str()); this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr()); - ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), oper->NameStr()); + ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->NameStr()); ServerInstance->Users->all_opers.push_back(this); // Expand permissions from config for faster lookup @@ -665,25 +589,27 @@ void OperInfo::init() AllowedPrivs.insert(mypriv); } - for (unsigned char* c = (unsigned char*)tag->getString("usermodes").c_str(); *c; ++c) + std::string modes = tag->getString("usermodes"); + for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c) { if (*c == '*') { this->AllowedUserModes.set(); } - else + else if (*c >= 'A' && *c < 'z') { this->AllowedUserModes[*c - 'A'] = true; } } - for (unsigned char* c = (unsigned char*)tag->getString("chanmodes").c_str(); *c; ++c) + modes = tag->getString("chanmodes"); + for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c) { if (*c == '*') { this->AllowedChanModes.set(); } - else + else if (*c >= 'A' && *c < 'z') { this->AllowedChanModes[*c - 'A'] = true; } @@ -693,7 +619,7 @@ void OperInfo::init() void User::UnOper() { - if (!IS_OPER(this)) + if (!this->IsOper()) return; /* @@ -727,18 +653,6 @@ void User::UnOper() this->modes[UM_OPERATOR] = 0; } -/* adds or updates an entry in the whowas list */ -void User::AddToWhoWas() -{ - Module* whowas = ServerInstance->Modules->Find("cmd_whowas.so"); - if (whowas) - { - WhowasRequest req(NULL, whowas, WhowasRequest::WHOWAS_ADD); - req.user = this; - req.Send(); - } -} - /* * Check class restrictions */ @@ -749,29 +663,32 @@ void LocalUser::CheckClass() if (!a) { ServerInstance->Users->QuitUser(this, "Access denied by configuration"); + return; } else if (a->type == CC_DENY) { - ServerInstance->Users->QuitUser(this, "Unauthorised connection"); + ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection")); return; } else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal())) { ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)"); - ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString()); + if (a->maxconnwarn) + ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str()); return; } else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal())) { ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)"); - ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString()); + if (a->maxconnwarn) + ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str()); return; } this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout; } -bool User::CheckLines(bool doZline) +bool LocalUser::CheckLines(bool doZline) { const char* check[] = { "G" , "K", (doZline) ? "Z" : NULL, NULL }; @@ -803,30 +720,24 @@ void LocalUser::FullConnect() * may put the user into a totally seperate class with different restrictions! so we *must* check again. * Don't remove this! -- w00t */ - this->SetClass(); - - /* Check the password, if one is required by the user's connect class. - * This CANNOT be in CheckClass(), because that is called prior to PASS as well! - */ - if (!MyClass->pass.empty()) - { - if (ServerInstance->PassCompare(this, MyClass->pass.c_str(), password.c_str(), MyClass->hash.c_str())) - { - ServerInstance->Users->QuitUser(this, "Invalid password"); - return; - } - } + MyClass = NULL; + SetClass(); + CheckClass(); + CheckLines(); - if (this->CheckLines()) + if (quitting) return; - this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network.c_str()); - this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str()); - this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-2.0",this->nick.c_str(),ServerInstance->Config->ServerName.c_str()); + this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str()); + this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH); this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__); - this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-2.0 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str()); - ServerInstance->Config->Send005(this); + std::string umlist = ServerInstance->Modes->UserModeList(); + std::string cmlist = ServerInstance->Modes->ChannelModeList(); + std::string pmlist = ServerInstance->Modes->ParaModeList(); + this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, umlist.c_str(), cmlist.c_str(), pmlist.c_str()); + + ServerInstance->ISupport.SendTo(this); this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str()); /* Now registered */ @@ -835,17 +746,20 @@ void LocalUser::FullConnect() /* Trigger MOTD and LUSERS output, give modules a chance too */ ModResult MOD_RESULT; - std::string command("MOTD"); + std::string command("LUSERS"); std::vector parameters; FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command)); if (!MOD_RESULT) - ServerInstance->CallCommandHandler(command, parameters, this); + ServerInstance->Parser->CallHandler(command, parameters, this); MOD_RESULT = MOD_RES_PASSTHRU; - command = "LUSERS"; + command = "MOTD"; FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command)); if (!MOD_RESULT) - ServerInstance->CallCommandHandler(command, parameters, this); + ServerInstance->Parser->CallHandler(command, parameters, this); + + if (ServerInstance->Config->RawLog) + WriteServ("PRIVMSG %s :*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.", nick.c_str()); /* * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff @@ -857,31 +771,12 @@ void LocalUser::FullConnect() FOREACH_MOD(I_OnPostConnect,OnPostConnect(this)); - ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", - this->GetServerPort(), this->nick.c_str(), this->ident.c_str(), this->host.c_str(), this->GetIPString(), this->fullname.c_str()); - ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString()); + ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d (class %s): %s (%s) [%s]", + this->GetServerPort(), this->MyClass->name.c_str(), GetFullRealHost().c_str(), this->GetIPString().c_str(), this->fullname.c_str()); + ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding NEGATIVE hit for " + this->GetIPString()); ServerInstance->BanCache->AddHit(this->GetIPString(), "", ""); -} - -/** User::UpdateNick() - * re-allocates a nick in the user_hash after they change nicknames, - * returns a pointer to the new user as it may have moved - */ -User* User::UpdateNickHash(const char* New) -{ - //user_hash::iterator newnick; - user_hash::iterator oldnick = ServerInstance->Users->clientlist->find(this->nick); - - if (!irc::string(this->nick.c_str()).compare(New)) - return oldnick->second; - - if (oldnick == ServerInstance->Users->clientlist->end()) - return NULL; /* doesnt exist */ - - User* olduser = oldnick->second; - ServerInstance->Users->clientlist->erase(oldnick); - (*(ServerInstance->Users->clientlist))[New] = olduser; - return olduser; + // reset the flood penalty (which could have been raised due to things like auto +x) + CommandFloodPenalty = 0; } void User::InvalidateCache() @@ -893,13 +788,18 @@ void User::InvalidateCache() cached_fullrealhost.clear(); } -bool User::ForceNickChange(const char* newnick) +bool User::ChangeNick(const std::string& newnick, bool force) { - ModResult MOD_RESULT; + if (quitting) + { + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick); + return false; + } - this->InvalidateCache(); + ModResult MOD_RESULT; - ServerInstance->NICKForced.set(this, 1); + if (force) + ServerInstance->NICKForced.set(this, 1); FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick)); ServerInstance->NICKForced.set(this, 0); @@ -909,20 +809,98 @@ bool User::ForceNickChange(const char* newnick) return false; } - std::deque dummy; - Command* nickhandler = ServerInstance->Parser->GetHandler("NICK"); - if (nickhandler) // wtfbbq, when would this not be here + if (assign(newnick) == assign(nick)) { - std::vector parameters; - parameters.push_back(newnick); - ServerInstance->NICKForced.set(this, 1); - bool result = (ServerInstance->Parser->CallHandler("NICK", parameters, this) == CMD_SUCCESS); - ServerInstance->NICKForced.set(this, 0); - return result; + // case change, don't need to check Q:lines and such + // and, if it's identical including case, we can leave right now + if (newnick == nick) + return true; } + else + { + /* + * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron* + * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be. + * Thanks Kein for finding this. -- w00t + * + * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves. + * -- w00t + */ + if (IS_LOCAL(this) && !force) + { + XLine* mq = ServerInstance->XLines->MatchesLine("Q",newnick); + if (mq) + { + if (this->registered == REG_ALL) + { + ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s", + newnick.c_str(), GetFullRealHost().c_str(), mq->reason.c_str()); + } + this->WriteNumeric(432, "%s %s :Invalid nickname: %s",this->nick.c_str(), newnick.c_str(), mq->reason.c_str()); + return false; + } - // Unreachable, we hope - return false; + if (ServerInstance->Config->RestrictBannedUsers) + { + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) + { + Channel *chan = *i; + if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this)) + { + this->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", this->nick.c_str(), chan->name.c_str()); + return false; + } + } + } + } + + /* + * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) -- + * then we have a potential collide. Check whether someone else is camping on the nick + * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the + * camper to their UID, and allow the incoming nick change. + * + * If the guy using the nick is already using it, tell the incoming nick change to gtfo, + * because the nick is already (rightfully) in use. -- w00t + */ + User* InUse = ServerInstance->FindNickOnly(newnick); + if (InUse && (InUse != this)) + { + if (InUse->registered != REG_ALL) + { + /* force the camper to their UUID, and ask them to re-send a NICK. */ + InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str()); + InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str()); + + ServerInstance->Users->clientlist->erase(InUse->nick); + (*(ServerInstance->Users->clientlist))[InUse->uuid] = InUse; + + InUse->nick = InUse->uuid; + InUse->InvalidateCache(); + InUse->registered &= ~REG_NICK; + } + else + { + /* No camping, tell the incoming user to stop trying to change nick ;p */ + this->WriteNumeric(433, "%s %s :Nickname is already in use.", this->registered >= REG_NICK ? this->nick.c_str() : "*", newnick.c_str()); + return false; + } + } + } + + if (this->registered == REG_ALL) + this->WriteCommon("NICK %s",newnick.c_str()); + std::string oldnick = nick; + nick = newnick; + + InvalidateCache(); + ServerInstance->Users->clientlist->erase(oldnick); + (*(ServerInstance->Users->clientlist))[newnick] = this; + + if (registered == REG_ALL) + FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(this,oldnick)); + + return true; } int LocalUser::GetServerPort() @@ -937,18 +915,18 @@ int LocalUser::GetServerPort() return 0; } -const char* User::GetIPString() +const std::string& User::GetIPString() { int port; if (cachedip.empty()) { irc::sockets::satoap(client_sa, cachedip, port); /* IP addresses starting with a : on irc are a Bad Thing (tm) */ - if (cachedip.c_str()[0] == ':') + if (cachedip[0] == ':') cachedip.insert(0,1,'0'); } - return cachedip.c_str(); + return cachedip; } irc::sockets::cidr_mask User::GetCIDRMask() @@ -966,12 +944,43 @@ irc::sockets::cidr_mask User::GetCIDRMask() return irc::sockets::cidr_mask(client_sa, range); } -bool User::SetClientIP(const char* sip) +bool User::SetClientIP(const char* sip, bool recheck_eline) { - this->cachedip = ""; + cachedip.clear(); + cached_hostip.clear(); return irc::sockets::aptosa(sip, 0, client_sa); } +void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline) +{ + cachedip.clear(); + cached_hostip.clear(); + memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs)); +} + +bool LocalUser::SetClientIP(const char* sip, bool recheck_eline) +{ + irc::sockets::sockaddrs sa; + if (!irc::sockets::aptosa(sip, 0, sa)) + // Invalid + return false; + + LocalUser::SetClientIP(sa, recheck_eline); + return true; +} + +void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline) +{ + if (sa != client_sa) + { + User::SetClientIP(sa); + if (recheck_eline) + this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL); + + FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(this)); + } +} + static std::string wide_newline("\r\n"); void User::Write(const std::string& text) @@ -995,7 +1004,7 @@ void LocalUser::Write(const std::string& text) return; } - ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%s] O %s", uuid.c_str(), text.c_str()); + ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str()); eh.AddWriteBuf(text); eh.AddWriteBuf(wide_newline); @@ -1039,6 +1048,10 @@ void User::WriteServ(const char* text, ...) this->WriteServ(std::string(textbuffer)); } +void User::WriteNotice(const std::string& text) +{ + this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text); +} void User::WriteNumeric(unsigned int numeric, const char* text, ...) { @@ -1068,11 +1081,8 @@ void User::WriteNumeric(unsigned int numeric, const std::string &text) void User::WriteFrom(User *user, const std::string &text) { - char tb[MAXBUF]; - - snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str()); - - this->Write(std::string(tb)); + const std::string message = ":" + user->GetFullHost() + " " + text; + this->Write(message); } @@ -1149,7 +1159,7 @@ void User::WriteCommonRaw(const std::string &line, bool include_self) if (this->registered != REG_ALL || quitting) return; - uniq_id_t uniq_id = ++already_sent; + LocalUser::already_sent_id++; UserChanList include_c(chans); std::map exceptions; @@ -1163,7 +1173,7 @@ void User::WriteCommonRaw(const std::string &line, bool include_self) LocalUser* u = IS_LOCAL(i->first); if (u && !u->quitting) { - already_sent[u->GetFd()] = uniq_id; + u->already_sent = LocalUser::already_sent_id; if (i->second) u->Write(line); } @@ -1175,9 +1185,9 @@ void User::WriteCommonRaw(const std::string &line, bool include_self) for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++) { LocalUser* u = IS_LOCAL(i->first); - if (u && !u->quitting && already_sent[u->GetFd()] != uniq_id) + if (u && !u->quitting && u->already_sent != LocalUser::already_sent_id) { - already_sent[u->GetFd()] = uniq_id; + u->already_sent = LocalUser::already_sent_id; u->Write(line); } } @@ -1186,18 +1196,13 @@ void User::WriteCommonRaw(const std::string &line, bool include_self) void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text) { - char tb1[MAXBUF]; - char tb2[MAXBUF]; - if (this->registered != REG_ALL) return; - uniq_id_t uniq_id = ++already_sent; + already_sent_t uniq_id = ++LocalUser::already_sent_id; - snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str()); - snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str()); - std::string out1 = tb1; - std::string out2 = tb2; + const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text; + const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text; UserChanList include_c(chans); std::map exceptions; @@ -1209,9 +1214,9 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op LocalUser* u = IS_LOCAL(i->first); if (u && !u->quitting) { - already_sent[u->GetFd()] = uniq_id; + u->already_sent = uniq_id; if (i->second) - u->Write(IS_OPER(u) ? out2 : out1); + u->Write(u->IsOper() ? operMessage : normalMessage); } } for (UCListIter v = include_c.begin(); v != include_c.end(); ++v) @@ -1220,10 +1225,10 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++) { LocalUser* u = IS_LOCAL(i->first); - if (u && !u->quitting && (already_sent[u->GetFd()] != uniq_id)) + if (u && !u->quitting && (u->already_sent != uniq_id)) { - already_sent[u->GetFd()] = uniq_id; - u->Write(IS_OPER(u) ? out2 : out1); + u->already_sent = uniq_id; + u->Write(u->IsOper() ? operMessage : normalMessage); } } } @@ -1328,13 +1333,11 @@ bool User::ChangeName(const char* gecos) void User::DoHostCycle(const std::string &quitline) { - char buffer[MAXBUF]; - if (!ServerInstance->Config->CycleHosts) return; - uniq_id_t silent_id = ++already_sent; - uniq_id_t seen_id = ++already_sent; + already_sent_t silent_id = ++LocalUser::already_sent_id; + already_sent_t seen_id = ++LocalUser::already_sent_id; UserChanList include_c(chans); std::map exceptions; @@ -1348,28 +1351,29 @@ void User::DoHostCycle(const std::string &quitline) { if (i->second) { - already_sent[u->GetFd()] = seen_id; + u->already_sent = seen_id; u->Write(quitline); } else { - already_sent[u->GetFd()] = silent_id; + u->already_sent = silent_id; } } } for (UCListIter v = include_c.begin(); v != include_c.end(); ++v) { Channel* c = *v; - snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str()); - std::string joinline(buffer); Membership* memb = c->GetUser(this); - std::string modeline = memb->modes; - if (modeline.length() > 0) + const std::string joinline = ":" + GetFullHost() + " JOIN " + c->name; + std::string modeline; + + if (!memb->modes.empty()) { - for(unsigned int i=0; i < memb->modes.length(); i++) + modeline = ":" + (ServerInstance->Config->CycleHostsFromUser ? GetFullHost() : ServerInstance->Config->ServerName) + + " MODE " + c->name + " +" + memb->modes; + + for (size_t i = 0; i < memb->modes.length(); i++) modeline.append(" ").append(nick); - snprintf(buffer, MAXBUF, ":%s MODE %s +%s", GetFullHost().c_str(), c->name.c_str(), modeline.c_str()); - modeline = buffer; } const UserMembList *ulist = c->GetUsers(); @@ -1378,16 +1382,16 @@ void User::DoHostCycle(const std::string &quitline) LocalUser* u = IS_LOCAL(i->first); if (u == NULL || u == this) continue; - if (already_sent[u->GetFd()] == silent_id) + if (u->already_sent == silent_id) continue; - if (already_sent[u->GetFd()] != seen_id) + if (u->already_sent != seen_id) { u->Write(quitline); - already_sent[u->GetFd()] = seen_id; + u->already_sent = seen_id; } u->Write(joinline); - if (modeline.length() > 0) + if (!memb->modes.empty()) u->Write(modeline); } } @@ -1432,7 +1436,7 @@ bool User::ChangeIdent(const char* newident) std::string quitstr = ":" + GetFullHost() + " QUIT :Changing ident"; - this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1); + this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax); this->InvalidateCache(); @@ -1444,74 +1448,18 @@ bool User::ChangeIdent(const char* newident) void User::SendAll(const char* command, const char* text, ...) { char textbuffer[MAXBUF]; - char formatbuffer[MAXBUF]; va_list argsPtr; va_start(argsPtr, text); vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer); - std::string fmt = formatbuffer; - - for (std::vector::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) - { - (*i)->Write(fmt); - } -} - - -std::string User::ChannelList(User* source, bool spy) -{ - std::string list; - - for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) - { - Channel* c = *i; - /* If the target is the sender, neither +p nor +s is set, or - * the channel contains the user, it is not a spy channel - */ - if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source))) - list.append(c->GetPrefixChar(this)).append(c->name).append(" "); - } - - return list; -} - -void User::SplitChanList(User* dest, const std::string &cl) -{ - std::string line; - std::ostringstream prefix; - std::string::size_type start, pos, length; - - prefix << this->nick << " " << dest->nick << " :"; - line = prefix.str(); - int namelen = ServerInstance->Config->ServerName.length() + 6; + const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer; - for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1) + for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) { - length = (pos == std::string::npos) ? cl.length() : pos; - - if (line.length() + namelen + length - start > 510) - { - ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str()); - line = prefix.str(); - } - - if(pos == std::string::npos) - { - line.append(cl.substr(start, length - start)); - break; - } - else - { - line.append(cl.substr(start, length - start + 1)); - } - } - - if (line.length()) - { - ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str()); + if ((*i)->registered == REG_ALL) + (*i)->Write(message); } } @@ -1526,7 +1474,7 @@ void LocalUser::SetClass(const std::string &explicit_name) { ConnectClass *found = NULL; - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Setting connect class for UID %s", this->uuid.c_str()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Setting connect class for UID %s", this->uuid.c_str()); if (!explicit_name.empty()) { @@ -1536,7 +1484,7 @@ void LocalUser::SetClass(const std::string &explicit_name) if (explicit_name == c->name) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Explicitly set to %s", explicit_name.c_str()); found = c; } } @@ -1546,21 +1494,31 @@ void LocalUser::SetClass(const std::string &explicit_name) for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++) { ConnectClass* c = *i; + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Checking %s", c->GetName().c_str()); - if (c->type == CC_ALLOW) - { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "ALLOW %s %d %s", c->host.c_str(), c->GetPort(), c->GetName().c_str()); - } - else + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnSetConnectClass, MOD_RESULT, (this,c)); + if (MOD_RESULT == MOD_RES_DENY) + continue; + if (MOD_RESULT == MOD_RES_ALLOW) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "DENY %s %d %s", c->GetHost().c_str(), c->GetPort(), c->GetName().c_str()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Class forced by module to %s", c->GetName().c_str()); + found = c; + break; } + if (c->type == CC_NAMED) + continue; + + bool regdone = (registered != REG_NONE); + if (c->config->getBool("registered", regdone) != regdone) + continue; + /* check if host matches.. */ - if (c->GetHost().length() && !InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) && + if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) && !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL)) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "No host match (for %s)", c->GetHost().c_str()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "No host match (for %s)", c->GetHost().c_str()); continue; } @@ -1570,19 +1528,26 @@ void LocalUser::SetClass(const std::string &explicit_name) */ if (c->limit && (c->GetReferenceCount() >= c->limit)) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit); continue; } /* if it requires a port ... */ - if (c->GetPort()) + int port = c->config->getInt("port"); + if (port) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Requires port (%d)", c->GetPort()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Requires port (%d)", port); /* and our port doesn't match, fail. */ - if (this->GetServerPort() != c->GetPort()) + if (this->GetServerPort() != port) + continue; + } + + if (regdone && !c->config->getString("password").empty()) + { + if (ServerInstance->PassCompare(this, c->config->getString("password"), password, c->config->getString("hash"))) { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Port match failed (%d)", this->GetServerPort()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping"); continue; } } @@ -1645,35 +1610,40 @@ const std::string& FakeUser::GetFullRealHost() ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask) : config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask), - pingtime(0), pass(""), hash(""), softsendqmax(0), hardsendqmax(0), recvqmax(0), - penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), limit(0) + pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0), + penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), + limit(0), nouserdns(false) { } ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, const ConnectClass& parent) : config(tag), type(t), fakelag(parent.fakelag), name("unnamed"), registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime), - pass(parent.pass), hash(parent.hash), softsendqmax(parent.softsendqmax), - hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax), + softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax), penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate), - maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxchans(parent.maxchans), - port(parent.port), limit(parent.limit) + maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans), + limit(parent.limit), nouserdns(parent.nouserdns) { } void ConnectClass::Update(const ConnectClass* src) { + config = src->config; + type = src->type; + fakelag = src->fakelag; name = src->name; registration_timeout = src->registration_timeout; host = src->host; pingtime = src->pingtime; - pass = src->pass; - hash = src->hash; softsendqmax = src->softsendqmax; hardsendqmax = src->hardsendqmax; recvqmax = src->recvqmax; penaltythreshold = src->penaltythreshold; + commandrate = src->commandrate; maxlocal = src->maxlocal; maxglobal = src->maxglobal; + maxconnwarn = src->maxconnwarn; + maxchans = src->maxchans; limit = src->limit; + nouserdns = src->nouserdns; }