X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusers.cpp;h=eb91a9cb5d6156c8fbdd29ad2b86f7696b79752b;hb=efe77ba63b1e519fc4d563bd9b599277c4bd96e5;hp=a755c4dd7348573b8b425b7a6cc1e5387a9f87ec;hpb=fc98fbf44d18ba866102544ca09f1b1c551fdb49;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/users.cpp b/src/users.cpp index a755c4dd7..eb91a9cb5 100644 --- a/src/users.cpp +++ b/src/users.cpp @@ -1,124 +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) 2002-2009 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 . */ -/* $Core */ #include "inspircd.h" #include #include "socketengine.h" #include "xline.h" #include "bancache.h" -#include "commands/cmd_whowas.h" - -/* XXX: Used for speeding up WriteCommon operations */ -unsigned long uniq_id = 1; - -static unsigned long* already_sent = NULL; - - -void InitializeAlreadySent(SocketEngine* SE) -{ - already_sent = new unsigned long[SE->GetMaxFds()]; - memset(already_sent, 0, SE->GetMaxFds() * sizeof(unsigned long)); -} - - -std::string User::ProcessNoticeMasks(const char *sm) -{ - bool adding = true, oldadding = false; - const char *c = sm; - std::string output; - - while (c && *c) - { - switch (*c) - { - case '+': - adding = true; - break; - case '-': - adding = false; - break; - case '*': - for (unsigned char d = 'A'; d <= 'z'; d++) - { - if (ServerInstance->SNO->IsEnabled(d)) - { - if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding)) - { - if ((oldadding != adding) || (!output.length())) - output += (adding ? '+' : '-'); - - this->SetNoticeMask(d, adding); - - output += d; - } - } - oldadding = adding; - } - break; - default: - if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c))) - { - if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding)) - { - if ((oldadding != adding) || (!output.length())) - output += (adding ? '+' : '-'); - - this->SetNoticeMask(*c, adding); - output += *c; - } - } - else - this->WriteNumeric(ERR_UNKNOWNSNOMASK, "%s %c :is unknown snomask char to me", this->nick.c_str(), *c); - - oldadding = adding; - break; - } - - *c++; - } - - std::string s = this->FormatNoticeMasks(); - if (s.length() == 0) - { - this->modes[UM_SNOMASK] = false; - } - - return output; -} - -void User::StartDNSLookup() -{ - try - { - bool cached = false; - const char* sip = this->GetIPString(); - UserResolver *res_reverse; - - QueryType resolvtype = strchr(sip, ':') ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4; - // when GetProtocolFamily() works correctly with 4in6, this can be replaced by - // this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6; - res_reverse = new UserResolver(this->ServerInstance, this, sip, resolvtype, cached); - - this->ServerInstance->AddResolver(res_reverse, cached); - } - catch (CoreException& e) - { - ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason()); - } -} +already_sent_t LocalUser::already_sent_id = 0; bool User::IsNoticeMaskSet(unsigned char sm) { @@ -127,28 +38,6 @@ bool User::IsNoticeMaskSet(unsigned char sm) return (snomasks[sm-65]); } -void User::SetNoticeMask(unsigned char sm, bool value) -{ - if (!isalpha(sm)) - return; - snomasks[sm-65] = value; -} - -const char* User::FormatNoticeMasks() -{ - static char data[MAXBUF]; - int offset = 0; - - for (int n = 0; n < 64; n++) - { - if (snomasks[n]) - data[offset++] = n+65; - } - - data[offset] = 0; - return data; -} - bool User::IsModeSet(unsigned char m) { if (!isalpha(m)) @@ -156,24 +45,17 @@ bool User::IsModeSet(unsigned char m) return (modes[m-65]); } -void User::SetMode(unsigned char m, bool value) -{ - if (!isalpha(m)) - return; - modes[m-65] = value; -} - const char* User::FormatModes(bool showparameters) { - static char data[MAXBUF]; + static std::string data; std::string params; - int offset = 0; + data.clear(); for (unsigned char n = 0; n < 64; n++) { if (modes[n]) { - data[offset++] = n + 65; + data.push_back(n + 65); ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER); if (showparameters && mh && mh->GetNumParams(true)) { @@ -183,102 +65,44 @@ const char* User::FormatModes(bool showparameters) } } } - data[offset] = 0; - strlcat(data, params.c_str(), MAXBUF); - return data; -} - -void User::DecrementModes() -{ - ServerInstance->Logs->Log("USERS", DEBUG, "DecrementModes()"); - for (unsigned char n = 'A'; n <= 'z'; n++) - { - if (modes[n-65]) - { - ServerInstance->Logs->Log("USERS", DEBUG,"DecrementModes() found mode %c", n); - ModeHandler* mh = ServerInstance->Modes->FindMode(n, MODETYPE_USER); - if (mh) - { - ServerInstance->Logs->Log("USERS", DEBUG,"Found handler %c and call ChangeCount", n); - mh->ChangeCount(-1); - } - } - } + data += params; + return data.c_str(); } -User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance) +User::User(const std::string& uid, Server* srv, int type) + : uuid(uid), server(srv), usertype(type) { - server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName); age = ServerInstance->Time(); - Penalty = 0; - lastping = signon = idle_lastmsg = nping = registered = 0; - bytes_in = bytes_out = cmds_in = cmds_out = 0; - quietquit = quitting = exempt = haspassed = dns_done = false; - fd = -1; - recvq.clear(); - sendq.clear(); - Visibility = NULL; - ip = NULL; - MyClass = NULL; - AllowedPrivs = AllowedOperCommands = NULL; - chans.clear(); - invites.clear(); - - if (uid.empty()) - uuid.assign(Instance->GetUID(), 0, UUID_LENGTH - 1); - else - uuid.assign(uid, 0, UUID_LENGTH - 1); + signon = 0; + registered = 0; + quitting = false; + client_sa.sa.sa_family = AF_UNSPEC; - ServerInstance->Logs->Log("USERS", DEBUG,"New UUID for user: %s (%s)", uuid.c_str(), uid.empty() ? "allocated new" : "used remote"); + ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New UUID for user: %s", uuid.c_str()); - user_hash::iterator finduuid = Instance->Users->uuidlist->find(uuid); - if (finduuid == Instance->Users->uuidlist->end()) - (*Instance->Users->uuidlist)[uuid] = this; - else + if (!ServerInstance->Users->uuidlist->insert(std::make_pair(uuid, this)).second) throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor"); } -User::~User() +LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr) + : User(ServerInstance->UIDGen.GetUID(), ServerInstance->FakeClient->server, USERTYPE_LOCAL), eh(this), + bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0), + already_sent(0) { - /* NULL for remote users :) */ - if (this->MyClass) - { - this->MyClass->RefCount--; - ServerInstance->Logs->Log("USERS", DEBUG, "User destructor -- connect refcount now: %lu", this->MyClass->RefCount); - } - - if (this->AllowedOperCommands) - { - delete AllowedOperCommands; - AllowedOperCommands = NULL; - } - - if (this->AllowedPrivs) - { - delete AllowedPrivs; - AllowedPrivs = NULL; - } - - this->InvalidateCache(); - this->DecrementModes(); - - if (ip) - { - ServerInstance->Users->RemoveCloneCounts(this); - - if (this->GetProtocolFamily() == AF_INET) - { - delete (sockaddr_in*)ip; - } -#ifdef SUPPORT_IP6LINKS - else - { - delete (sockaddr_in6*)ip; - } -#endif - } + 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(); +} - ServerInstance->Users->uuidlist->erase(uuid); +User::~User() +{ + if (ServerInstance->Users->uuidlist->find(uuid) != ServerInstance->Users->uuidlist->end()) + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "User destructor for %s called without cull", uuid.c_str()); } const std::string& User::MakeHost() @@ -286,18 +110,8 @@ const std::string& User::MakeHost() if (!this->cached_makehost.empty()) return this->cached_makehost; - char nhost[MAXBUF]; - /* This is much faster than snprintf */ - char* t = nhost; - for(const char* n = ident.c_str(); *n; n++) - *t++ = *n; - *t++ = '@'; - for(const char* n = host.c_str(); *n; n++) - *t++ = *n; - *t = 0; - - this->cached_makehost.assign(nhost); - + // XXX: Is there really a need to cache this? + this->cached_makehost = ident + "@" + host; return this->cached_makehost; } @@ -306,616 +120,404 @@ const std::string& User::MakeHostIP() if (!this->cached_hostip.empty()) return this->cached_hostip; - char ihost[MAXBUF]; - /* This is much faster than snprintf */ - char* t = ihost; - for(const char* n = ident.c_str(); *n; n++) - *t++ = *n; - *t++ = '@'; - for(const char* n = this->GetIPString(); *n; n++) - *t++ = *n; - *t = 0; - - this->cached_hostip = ihost; - + // XXX: Is there really a need to cache this? + this->cached_hostip = ident + "@" + this->GetIPString(); return this->cached_hostip; } -void User::CloseSocket() -{ - if (this->fd > -1) - { - ServerInstance->SE->Shutdown(this, 2); - ServerInstance->SE->Close(this); - } -} - const std::string& User::GetFullHost() { if (!this->cached_fullhost.empty()) return this->cached_fullhost; - char result[MAXBUF]; - char* t = result; - for(const char* n = nick.c_str(); *n; n++) - *t++ = *n; - *t++ = '!'; - for(const char* n = ident.c_str(); *n; n++) - *t++ = *n; - *t++ = '@'; - for(const char* n = dhost.c_str(); *n; n++) - *t++ = *n; - *t = 0; - - this->cached_fullhost = result; - + // XXX: Is there really a need to cache this? + this->cached_fullhost = nick + "!" + ident + "@" + dhost; return this->cached_fullhost; } -char* User::MakeWildHost() -{ - static char nresult[MAXBUF]; - char* t = nresult; - *t++ = '*'; *t++ = '!'; - *t++ = '*'; *t++ = '@'; - for(const char* n = dhost.c_str(); *n; n++) - *t++ = *n; - *t = 0; - return nresult; -} - -int User::ReadData(void* buffer, size_t size) -{ - if (IS_LOCAL(this)) - { -#ifndef WIN32 - return read(this->fd, buffer, size); -#else - return recv(this->fd, (char*)buffer, size, 0); -#endif - } - else - return 0; -} - - const std::string& User::GetFullRealHost() { if (!this->cached_fullrealhost.empty()) return this->cached_fullrealhost; - char fresult[MAXBUF]; - char* t = fresult; - for(const char* n = nick.c_str(); *n; n++) - *t++ = *n; - *t++ = '!'; - for(const char* n = ident.c_str(); *n; n++) - *t++ = *n; - *t++ = '@'; - for(const char* n = host.c_str(); *n; n++) - *t++ = *n; - *t = 0; - - this->cached_fullrealhost = fresult; - + // XXX: Is there really a need to cache this? + this->cached_fullrealhost = nick + "!" + ident + "@" + host; return this->cached_fullrealhost; } -bool User::IsInvited(const irc::string &channel) +InviteList& LocalUser::GetInviteList() { - 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; + RemoveExpiredInvites(); + return invites; } -InvitedList* User::GetInviteList() +bool LocalUser::RemoveInvite(Channel* chan) { - time_t now = ServerInstance->Time(); - /* Weed out expired invites here. */ - InvitedList::iterator safei; - for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) + Invitation* inv = Invitation::Find(chan, this); + if (inv) { - if (i->second != 0 && now > i->second) - { - /* Expired invite, remove it. */ - safei = i; - --i; - invites.erase(safei); - } + delete inv; + return true; } - return &invites; + return false; } -void User::InviteTo(const irc::string &channel, time_t invtimeout) +void LocalUser::RemoveExpiredInvites() { - 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) - { - if (channel == i->first) - { - if (i->second != 0 && invtimeout > i->second) - { - i->second = invtimeout; - } - - return; - } - } - invites.push_back(std::make_pair(channel, invtimeout)); + Invitation::Find(NULL, this); } -void User::RemoveInvite(const irc::string &channel) +bool User::HasModePermission(unsigned char, ModeType) { - for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++) - { - if (channel == i->first) - { - invites.erase(i); - return; - } - } + return true; } -bool User::HasModePermission(unsigned char mode, ModeType type) +bool LocalUser::HasModePermission(unsigned char mode, ModeType type) { - if (!IS_LOCAL(this)) - return true; - - if (!IS_OPER(this)) + if (!this->IsOper()) return false; if (mode < 'A' || mode > ('A' + 64)) return false; - return ((type == MODETYPE_USER ? AllowedUserModes : AllowedChanModes))[(mode - 'A')]; + return ((type == MODETYPE_USER ? oper->AllowedUserModes : oper->AllowedChanModes))[(mode - 'A')]; } - -bool User::HasPermission(const std::string &command) +/* + * users on remote servers can completely bypass all permissions based checks. + * This prevents desyncs when one server has different type/class tags to another. + * That having been said, this does open things up to the possibility of source changes + * allowing remote kills, etc - but if they have access to the src, they most likely have + * access to the conf - so it's an end to a means either way. + */ +bool User::HasPermission(const std::string&) { - /* - * users on remote servers can completely bypass all permissions based checks. - * This prevents desyncs when one server has different type/class tags to another. - * That having been said, this does open things up to the possibility of source changes - * allowing remote kills, etc - but if they have access to the src, they most likely have - * access to the conf - so it's an end to a means either way. - */ - if (!IS_LOCAL(this)) - return true; + return true; +} +bool LocalUser::HasPermission(const std::string &command) +{ // are they even an oper at all? - if (!IS_OPER(this)) + if (!this->IsOper()) { return false; } - if (!AllowedOperCommands) - return false; - - if (AllowedOperCommands->find(command) != AllowedOperCommands->end()) + if (oper->AllowedOperCommands.find(command) != oper->AllowedOperCommands.end()) return true; - else if (AllowedOperCommands->find("*") != AllowedOperCommands->end()) + else if (oper->AllowedOperCommands.find("*") != oper->AllowedOperCommands.end()) return true; return false; } - bool User::HasPrivPermission(const std::string &privstr, bool noisy) { - ServerInstance->Logs->Log("PRIVS", DEBUG, "Checking if I have " + privstr); - if (!IS_LOCAL(this)) - { - ServerInstance->Logs->Log("PRIVS", DEBUG, "Remote (yes)"); - return true; - } - - if (!IS_OPER(this)) - { - if (noisy) - this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str()); - ServerInstance->Logs->Log("PRIVS", DEBUG, "Not oper (no)"); - return false; - } + return true; +} - if (!AllowedPrivs) +bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy) +{ + if (!this->IsOper()) { if (noisy) - this->WriteServ("NOTICE %s :Privset empty(!?)", this->nick.c_str()); - ServerInstance->Logs->Log("PRIVS", DEBUG, "No privs(?) (no)"); + this->WriteNotice("You are not an oper"); return false; } - if (AllowedPrivs->find(privstr) != AllowedPrivs->end()) + if (oper->AllowedPrivs.find(privstr) != oper->AllowedPrivs.end()) { return true; } - else if (AllowedPrivs->find("*") != AllowedPrivs->end()) + else if (oper->AllowedPrivs.find("*") != oper->AllowedPrivs.end()) { return true; } if (noisy) - this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), this->oper.c_str(), privstr.c_str()); + this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr); + return false; } -bool User::AddBuffer(const std::string &a) +void UserIOHandler::OnDataReady() { - std::string::size_type start = 0; - std::string::size_type i = a.find('\r'); + if (user->quitting) + return; - /* - * The old implementation here took a copy, and rfind() on \r, removing as it found them, before - * copying a second time onto the recvq. That's ok, but involves three copies minimum (recv() to buffer, - * buffer to here, here to recvq) - The new method now copies twice (recv() to buffer, buffer to recvq). - * - * We use find() instead of rfind() for clarity, however unlike the old code, our scanning of the string is - * contiguous: as we specify a startpoint, we never see characters we have scanned previously, making this - * marginally faster in cases with a number of \r hidden early on in the buffer. - * - * How it works: - * Start at first pos of string, find first \r, append everything in the chunk (excluding \r) to recvq. Set - * i ahead of the \r, search for next \r, add next chunk to buffer... repeat. - * -- w00t (7 may, 2008) - */ - if (i == std::string::npos) + if (recvq.length() > user->MyClass->GetRecvqMax() && !user->HasPrivPermission("users/flood/increased-buffers")) { - // no \r that we need to dance around, just add to buffer - recvq.append(a); + 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; } - else + unsigned long sendqmax = ULONG_MAX; + if (!user->HasPrivPermission("users/flood/increased-buffers")) + sendqmax = user->MyClass->GetSendqSoftMax(); + unsigned long penaltymax = ULONG_MAX; + if (!user->HasPrivPermission("users/flood/no-fakelag")) + penaltymax = user->MyClass->GetPenaltyThreshold() * 1000; + + while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax) { - // While we can find the end of a chunk to add - while (i != std::string::npos) + std::string line; + line.reserve(ServerInstance->Config->Limits.MaxLine); + std::string::size_type qpos = 0; + while (qpos < recvq.length()) { - // Append the chunk that we have - recvq.append(a, start, (i - start)); - - // Start looking for the next one - start = i + 1; - i = a.find('\r', start); + char c = recvq[qpos++]; + switch (c) + { + case '\0': + c = ' '; + break; + case '\r': + continue; + case '\n': + goto eol_found; + } + if (line.length() < ServerInstance->Config->Limits.MaxLine - 2) + line.push_back(c); } + // if we got here, the recvq ran out before we found a newline + return; +eol_found: + // just found a newline. Terminate the string, and pull it out of recvq + recvq = recvq.substr(qpos); - if (start != a.length()) - { - /* - * This is here to catch a corner case when we get something like: - * NICK w0 - * 0t\r\nU - * SER ... - * in successive calls to us. - * - * Without this conditional, the 'U' on the second case will be dropped, - * which is most *certainly* not the behaviour we want! - * -- w00t - */ - recvq.append(a, start, (a.length() - start)); - } + // TODO should this be moved to when it was inserted in recvq? + ServerInstance->stats->statsRecv += qpos; + user->bytes_in += qpos; + user->cmds_in++; + + ServerInstance->Parser->ProcessBuffer(line, user); + if (user->quitting) + return; } + if (user->CommandFloodPenalty >= penaltymax && !user->MyClass->fakelag) + ServerInstance->Users->QuitUser(user, "Excess Flood"); +} - if (this->MyClass && !this->HasPrivPermission("users/flood/increased-buffers") && recvq.length() > this->MyClass->GetRecvqMax()) +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")) { - ServerInstance->Users->QuitUser(this, "RecvQ exceeded"); - ServerInstance->SNO->WriteToSnoMask('A', "User %s RecvQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)recvq.length(),this->MyClass->GetRecvqMax()); - return false; + user->quitting_sendq = true; + ServerInstance->GlobalCulls.AddSQItem(user); + return; } - return true; -} + // We still want to append data to the sendq of a quitting user, + // e.g. their ERROR message that says 'closing link' -bool User::BufferIsReady() -{ - return (recvq.find('\n') != std::string::npos); + WriteData(data); } -void User::ClearBuffer() +void UserIOHandler::OnError(BufferedSocketError) { - recvq.clear(); + ServerInstance->Users->QuitUser(user, getError()); } -std::string User::GetBuffer() +CullResult User::cull() { - try - { - if (recvq.empty()) - return ""; + if (!quitting) + ServerInstance->Users->QuitUser(this, "Culled without QuitUser"); - /* Strip any leading \r or \n off the string. - * Usually there are only one or two of these, - * so its is computationally cheap to do. - */ - std::string::iterator t = recvq.begin(); - while (t != recvq.end() && (*t == '\r' || *t == '\n')) - { - recvq.erase(t); - t = recvq.begin(); - } + if (client_sa.sa.sa_family != AF_UNSPEC) + ServerInstance->Users->RemoveCloneCounts(this); - for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++) - { - /* Find the first complete line, return it as the - * result, and leave the recvq as whats left - */ - if (*x == '\n') - { - std::string ret = std::string(recvq.begin(), x); - recvq.erase(recvq.begin(), x + 1); - return ret; - } - } - return ""; - } + return Extensible::cull(); +} - catch (...) - { - ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::GetBuffer()"); - return ""; - } +CullResult LocalUser::cull() +{ + ServerInstance->Users->local_users.erase(this); + ClearInvites(); + eh.cull(); + return User::cull(); +} + +CullResult FakeUser::cull() +{ + // Fake users don't quit, they just get culled. + quitting = true; + // Fake users are not inserted into UserManager::clientlist, they're only in the uuidlist + ServerInstance->Users->uuidlist->erase(uuid); + return User::cull(); } -void User::AddWriteBuf(const std::string &data) +void User::Oper(OperInfo* info) { - if (!this->quitting && this->MyClass && !this->HasPrivPermission("users/flood/increased-buffers") && sendq.length() + data.length() > this->MyClass->GetSendqMax()) + ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER); + if (this->IsModeSet(opermh)) + this->UnOper(); + + this->SetMode(opermh, true); + this->oper = info; + this->WriteCommand("MODE", "+o"); + FOREACH_MOD(OnOper, (this, info->name)); + + std::string opername; + if (info->oper_block) + opername = info->oper_block->getString("name"); + + if (IS_LOCAL(this)) { - /* - * Fix by brain - Set the error text BEFORE calling, because - * if we dont it'll recursively call here over and over again trying - * to repeatedly add the text to the sendq! - */ - ServerInstance->Users->QuitUser(this, "SendQ exceeded"); - ServerInstance->SNO->WriteToSnoMask('A', "User %s SendQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)sendq.length() + data.length(),this->MyClass->GetSendqMax()); - return; + LocalUser* l = IS_LOCAL(this); + std::string vhost = oper->getConfig("vhost"); + if (!vhost.empty()) + l->ChangeDisplayedHost(vhost.c_str()); + std::string opClass = oper->getConfig("class"); + if (!opClass.empty()) + l->SetClass(opClass); } - // We still want to append data to the sendq of a quitting user, - // e.g. their ERROR message that says 'closing link' + 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->name.c_str(), opername.c_str()); + this->WriteNumeric(RPL_YOUAREOPER, ":You are now %s %s", strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str()); - if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */ - sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */ - else - sendq.append(data); + ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str()); + ServerInstance->Users->all_opers.push_back(this); + + // Expand permissions from config for faster lookup + if (IS_LOCAL(this)) + oper->init(); + + FOREACH_MOD(OnPostOper, (this, oper->name, opername)); } -// send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it) -void User::FlushWriteBuf() +void OperInfo::init() { - if (this->fd == FD_MAGIC_NUMBER) - { - sendq.clear(); - return; - } + AllowedOperCommands.clear(); + AllowedPrivs.clear(); + AllowedUserModes.reset(); + AllowedChanModes.reset(); + AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want. - if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER)) + for(std::vector >::iterator iter = class_blocks.begin(); iter != class_blocks.end(); ++iter) { - int old_sendq_length = sendq.length(); - int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0); + ConfigTag* tag = *iter; + std::string mycmd, mypriv; + /* Process commands */ + irc::spacesepstream CommandList(tag->getString("commands")); + while (CommandList.GetToken(mycmd)) + { + AllowedOperCommands.insert(mycmd); + } + + irc::spacesepstream PrivList(tag->getString("privs")); + while (PrivList.GetToken(mypriv)) + { + AllowedPrivs.insert(mypriv); + } - if (n_sent == -1) + std::string modes = tag->getString("usermodes"); + for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c) { - if (errno == EAGAIN) + if (*c == '*') { - /* The socket buffer is full. This isnt fatal, - * try again later. - */ - ServerInstance->SE->WantWrite(this); + this->AllowedUserModes.set(); } - else + else if (*c >= 'A' && *c < 'z') { - /* Fatal error, set write error and bail */ - ServerInstance->Users->QuitUser(this, errno ? strerror(errno) : "Write error"); - return; + this->AllowedUserModes[*c - 'A'] = true; } } - else - { - /* advance the queue */ - if (n_sent) - this->sendq = this->sendq.substr(n_sent); - /* update the user's stats counters */ - this->bytes_out += n_sent; - this->cmds_out++; - if (n_sent != old_sendq_length) - this->ServerInstance->SE->WantWrite(this); - } - } - - /* note: NOT else if! */ - if (this->sendq.empty()) - { - FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this)); - } -} - -void User::Oper(const std::string &opertype, const std::string &opername) -{ - if (this->IsModeSet('o')) - this->UnOper(); - - this->modes[UM_OPERATOR] = 1; - this->WriteServ("MODE %s :+o", this->nick.c_str()); - FOREACH_MOD(I_OnOper, OnOper(this, opertype)); - - ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), irc::Spacify(opertype.c_str()), opername.c_str()); - this->WriteNumeric(381, "%s :You are now %s %s", this->nick.c_str(), strchr("aeiouAEIOU", *opertype.c_str()) ? "an" : "a", irc::Spacify(opertype.c_str())); - ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick.c_str(), this->ident.c_str(), this->host.c_str(), opertype.c_str()); - this->oper.assign(opertype, 0, 512); - ServerInstance->Users->all_opers.push_back(this); - - opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper.c_str()); - if (iter_opertype != ServerInstance->Config->opertypes.end()) - { - if (AllowedOperCommands) - AllowedOperCommands->clear(); - else - AllowedOperCommands = new std::set; - - if (AllowedPrivs) - AllowedPrivs->clear(); - else - AllowedPrivs = new std::set; - - AllowedUserModes.reset(); - AllowedChanModes.reset(); - this->AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want. - - std::string myclass, mycmd, mypriv; - irc::spacesepstream Classes(iter_opertype->second); - while (Classes.GetToken(myclass)) + modes = tag->getString("chanmodes"); + for (std::string::const_iterator c = modes.begin(); c != modes.end(); ++c) { - operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass.c_str()); - if (iter_operclass != ServerInstance->Config->operclass.end()) + if (*c == '*') { - /* Process commands */ - irc::spacesepstream CommandList(iter_operclass->second.commandlist); - while (CommandList.GetToken(mycmd)) - { - this->AllowedOperCommands->insert(mycmd); - } - - irc::spacesepstream PrivList(iter_operclass->second.privs); - while (PrivList.GetToken(mypriv)) - { - this->AllowedPrivs->insert(mypriv); - } - - for (unsigned char* c = (unsigned char*)iter_operclass->second.umodelist; *c; ++c) - { - if (*c == '*') - { - this->AllowedUserModes.set(); - } - else - { - this->AllowedUserModes[*c - 'A'] = true; - } - } - - for (unsigned char* c = (unsigned char*)iter_operclass->second.cmodelist; *c; ++c) - { - if (*c == '*') - { - this->AllowedChanModes.set(); - } - else - { - this->AllowedChanModes[*c - 'A'] = true; - } - } + this->AllowedChanModes.set(); + } + else if (*c >= 'A' && *c < 'z') + { + this->AllowedChanModes[*c - 'A'] = true; } } } - - FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype, opername)); } void User::UnOper() { - if (IS_OPER(this)) - { - /* - * unset their oper type (what IS_OPER checks). - * note, order is important - this must come before modes as -o attempts - * to call UnOper. -- w00t - */ - this->oper.clear(); - - - /* Remove all oper only modes from the user when the deoper - Bug #466*/ - std::string moderemove("-"); + if (!this->IsOper()) + return; - for (unsigned char letter = 'A'; letter <= 'z'; letter++) - { - ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER); - if (mh && mh->NeedsOper()) - moderemove += letter; - } + /* + * unset their oper type (what IS_OPER checks). + * note, order is important - this must come before modes as -o attempts + * to call UnOper. -- w00t + */ + oper = NULL; - std::vector parameters; - parameters.push_back(this->nick); - parameters.push_back(moderemove); + /* Remove all oper only modes from the user when the deoper - Bug #466*/ + std::string moderemove("-"); - ServerInstance->Parser->CallHandler("MODE", parameters, this); + for (unsigned char letter = 'A'; letter <= 'z'; letter++) + { + ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER); + if (mh && mh->NeedsOper()) + moderemove += letter; + } - /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */ - ServerInstance->Users->all_opers.remove(this); - if (AllowedOperCommands) - { - delete AllowedOperCommands; - AllowedOperCommands = NULL; - } + std::vector parameters; + parameters.push_back(this->nick); + parameters.push_back(moderemove); - if (AllowedPrivs) - { - delete AllowedPrivs; - AllowedPrivs = NULL; - } + ServerInstance->Modes->Process(parameters, this); - AllowedUserModes.reset(); - AllowedChanModes.reset(); - this->modes[UM_OPERATOR] = 0; - } -} + /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */ + ServerInstance->Users->all_opers.remove(this); -/* adds or updates an entry in the whowas list */ -void User::AddToWhoWas() -{ - Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS"); - if (whowas_command) - { - std::deque params; - params.push_back(this); - whowas_command->HandleInternal(WHOWAS_ADD, params); - } + ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER); + this->SetMode(opermh, false); } /* * Check class restrictions */ -void User::CheckClass() +void LocalUser::CheckClass(bool clone_count) { ConnectClass* a = this->MyClass; - if ((!a) || (a->GetType() == CC_DENY)) + if (!a) { - ServerInstance->Users->QuitUser(this, "Unauthorised connection"); + ServerInstance->Users->QuitUser(this, "Access denied by configuration"); return; } - else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal())) + else if (a->type == CC_DENY) { - 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()); + ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection")); return; } - else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal())) + else if (clone_count) { - 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()); - return; + 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)"); + 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)"); + 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 }; @@ -936,7 +538,7 @@ bool User::CheckLines(bool doZline) return false; } -void User::FullConnect() +void LocalUser::FullConnect() { ServerInstance->stats->statsConnects++; this->idle_lastmsg = ServerInstance->Time(); @@ -947,80 +549,60 @@ void User::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 (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed) - { - 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); - this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network, this->nick.c_str(), this->ident.c_str(), this->host.c_str()); - this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-1.2",this->nick.c_str(),ServerInstance->Config->ServerName); - this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__); - this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-1.2 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str()); - - ServerInstance->Config->Send005(this); - this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str()); + this->WriteNumeric(RPL_WELCOME, ":Welcome to the %s IRC Network %s", ServerInstance->Config->Network.c_str(), GetFullRealHost().c_str()); + this->WriteNumeric(RPL_YOURHOSTIS, ":Your host is %s, running version %s", ServerInstance->Config->ServerName.c_str(), BRANCH); + this->WriteNumeric(RPL_SERVERCREATED, ":This server was created %s %s", __TIME__, __DATE__); + const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric(); + this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s", ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str()); - this->ShowMOTD(); + ServerInstance->ISupport.SendTo(this); /* Now registered */ if (ServerInstance->Users->unregistered_count) ServerInstance->Users->unregistered_count--; - /* Trigger LUSERS output, give modules a chance too */ - int MOD_RESULT = 0; + /* Trigger MOTD and LUSERS output, give modules a chance too */ + ModResult MOD_RESULT; std::string command("LUSERS"); std::vector parameters; - FOREACH_RESULT(I_OnPreCommand, OnPreCommand(command, parameters, this, true, "LUSERS")); + 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 = "MOTD"; + FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, command)); + if (!MOD_RESULT) + 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 * for a user that doesn't exist yet. */ - FOREACH_MOD(I_OnUserConnect,OnUserConnect(this)); + FOREACH_MOD(OnUserConnect, (this)); this->registered = REG_ALL; - ServerInstance->PI->Introduce(this); + FOREACH_MOD(OnPostConnect, (this)); - FOREACH_MOD(I_OnPostConnect,OnPostConnect(this)); - - ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), 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() @@ -1032,330 +614,243 @@ void User::InvalidateCache() cached_fullrealhost.clear(); } -bool User::ForceNickChange(const char* newnick) +bool User::ChangeNick(const std::string& newnick, bool force) { - int MOD_RESULT = 0; - - this->InvalidateCache(); - - this->Extend("NICKForced", "Enabled"); - - FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick)); - - this->Shrink("NICKForced"); - - if (MOD_RESULT) + if (quitting) { - ServerInstance->stats->statsCollisions++; + ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick); return false; } - std::deque dummy; - Command* nickhandler = ServerInstance->Parser->GetHandler("NICK"); - if (nickhandler) // wtfbbq, when would this not be here + if (!force) { - std::vector parameters; - nickhandler->HandleInternal(1, dummy); - parameters.push_back(newnick); - this->Extend("NICKForced", "Enabled"); - bool result = (ServerInstance->Parser->CallHandler("NICK", parameters, this) == CMD_SUCCESS); - this->Shrink("NICKForced"); - nickhandler->HandleInternal(0, dummy); - return result; - } + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick)); - // Unreachable, we hope - return false; -} - -void User::SetSockAddr(int protocol_family, const char* sip, int port) -{ - this->cachedip = ""; - - switch (protocol_family) - { -#ifdef SUPPORT_IP6LINKS - case AF_INET6: - { - sockaddr_in6* sin = new sockaddr_in6; - sin->sin6_family = AF_INET6; - sin->sin6_port = port; - inet_pton(AF_INET6, sip, &sin->sin6_addr); - this->ip = (sockaddr*)sin; - } - break; -#endif - case AF_INET: + if (MOD_RESULT == MOD_RES_DENY) { - sockaddr_in* sin = new sockaddr_in; - sin->sin_family = AF_INET; - sin->sin_port = port; - inet_pton(AF_INET, sip, &sin->sin_addr); - this->ip = (sockaddr*)sin; + ServerInstance->stats->statsCollisions++; + return false; } - break; - default: - ServerInstance->Logs->Log("USERS",DEBUG,"Uh oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick.c_str()); - break; } -} - -int User::GetPort() -{ - if (this->ip == NULL) - return 0; - switch (this->GetProtocolFamily()) + if (assign(newnick) == assign(nick)) { -#ifdef SUPPORT_IP6LINKS - case AF_INET6: + // 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) { - sockaddr_in6* sin = (sockaddr_in6*)this->ip; - return sin->sin6_port; + 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(ERR_ERRONEUSNICKNAME, "%s :Invalid nickname: %s", newnick.c_str(), mq->reason.c_str()); + return false; + } + + if (ServerInstance->Config->RestrictBannedUsers) + { + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) + { + Channel* chan = (*i)->chan; + if (chan->GetPrefixValue(this) < VOICE_VALUE && chan->IsBanned(this)) + { + this->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str()); + return false; + } + } + } } - break; -#endif - case AF_INET: + + /* + * 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)) { - sockaddr_in* sin = (sockaddr_in*)this->ip; - return sin->sin_port; + 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(ERR_NICKNAMEINUSE, "%s :Nickname overruled.", 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(ERR_NICKNAMEINUSE, "%s :Nickname is already in use.", newnick.c_str()); + return false; + } } - break; - default: - break; } - return 0; -} - -int User::GetProtocolFamily() -{ - if (this->ip == NULL) - return 0; - sockaddr_in* sin = (sockaddr_in*)this->ip; - return sin->sin_family; -} + if (this->registered == REG_ALL) + this->WriteCommon("NICK %s",newnick.c_str()); + std::string oldnick = nick; + nick = newnick; -const char* User::GetCIDRMask(int range) -{ - static char buf[44]; + InvalidateCache(); + ServerInstance->Users->clientlist->erase(oldnick); + (*(ServerInstance->Users->clientlist))[newnick] = this; - if (this->ip == NULL) - return ""; + if (registered == REG_ALL) + FOREACH_MOD(OnUserPostNick, (this,oldnick)); - if (range < 0) - throw "Negative range, sorry, no."; + return true; +} - /* - * Original code written by Oliver Lupton (Om). - * Integrated by me. Thanks. :) -- w00t - */ - switch (this->GetProtocolFamily()) +int LocalUser::GetServerPort() +{ + switch (this->server_sa.sa.sa_family) { -#ifdef SUPPORT_IP6LINKS case AF_INET6: - { - /* unsigned char s6_addr[16]; */ - struct in6_addr v6; - sockaddr_in6* sin; - int i, bytestozero, extrabits; - char buffer[40]; - - if(range > 128) - throw "CIDR mask width greater than address width (IPv6, 128 bit)"; - - /* Access the user's IP structure directly */ - sin = (sockaddr_in6*)this->ip; - - /* To create the CIDR mask we want to set all the bits after 'range' bits of the address - * to zero. This means the last (128 - range) bits of the address must be set to zero. - * Hence this number divided by 8 is the number of whole bytes from the end of the address - * which must be set to zero. - */ - bytestozero = (128 - range) / 8; - - /* Some of the least significant bits of the next most significant byte may also have to - * be zeroed. The number of bits is the remainder of the above division. - */ - extrabits = (128 - range) % 8; - - /* Populate our working struct with the parts of the user's IP which are required in the - * final CIDR mask. Set all the subsequent bytes to zero. - * (16 - bytestozero) is the number of bytes which must be populated with actual IP data. - */ - for(i = 0; i < (16 - bytestozero); i++) - { - v6.s6_addr[i] = sin->sin6_addr.s6_addr[i]; - } - - /* And zero all the remaining bytes in the IP. */ - for(; i < 16; i++) - { - v6.s6_addr[i] = 0; - } - - /* And finally, zero the extra bits required. */ - v6.s6_addr[15 - bytestozero] = (v6.s6_addr[15 - bytestozero] >> extrabits) << extrabits; - - snprintf(buf, 44, "%s/%d", inet_ntop(AF_INET6, &v6, buffer, 40), range); - return buf; - } - break; -#endif + return htons(this->server_sa.in6.sin6_port); case AF_INET: - { - struct in_addr v4; - sockaddr_in* sin; - char buffer[16]; - - if (range > 32) - throw "CIDR mask width greater than address width (IPv4, 32 bit)"; + return htons(this->server_sa.in4.sin_port); + } + return 0; +} - /* Users already have a sockaddr* pointer (User::ip) which contains either a v4 or v6 structure */ - sin = (sockaddr_in*)this->ip; - v4.s_addr = sin->sin_addr.s_addr; +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[0] == ':') + cachedip.insert(cachedip.begin(),1,'0'); + } - /* To create the CIDR mask we want to set all the bits after 'range' bits of the address - * to zero. This means the last (32 - range) bits of the address must be set to zero. - * This is done by shifting the value right and then back left by (32 - range) bits. - */ - if(range > 0) - { - v4.s_addr = ntohl(v4.s_addr); - v4.s_addr = (v4.s_addr >> (32 - range)) << (32 - range); - v4.s_addr = htonl(v4.s_addr); - } - else - { - /* a range of zero would cause a 32 bit value to be shifted by 32 bits. - * this has undefined behaviour, but for CIDR purposes the resulting mask - * from a.b.c.d/0 is 0.0.0.0/0 - */ - v4.s_addr = 0; - } + return cachedip; +} - snprintf(buf, 44, "%s/%d", inet_ntop(AF_INET, &v4, buffer, 16), range); - return buf; - } - break; +irc::sockets::cidr_mask User::GetCIDRMask() +{ + int range = 0; + switch (client_sa.sa.sa_family) + { + case AF_INET6: + range = ServerInstance->Config->c_ipv6_range; + break; + case AF_INET: + range = ServerInstance->Config->c_ipv4_range; + break; } + return irc::sockets::cidr_mask(client_sa, range); +} - return ""; // unused, but oh well +bool User::SetClientIP(const char* sip, bool recheck_eline) +{ + cachedip.clear(); + cached_hostip.clear(); + return irc::sockets::aptosa(sip, 0, client_sa); } -const char* User::GetIPString() +void User::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline) { - static char buf[40]; + cachedip.clear(); + cached_hostip.clear(); + memcpy(&client_sa, &sa, sizeof(irc::sockets::sockaddrs)); +} - if (this->ip == NULL) - return ""; +bool LocalUser::SetClientIP(const char* sip, bool recheck_eline) +{ + irc::sockets::sockaddrs sa; + if (!irc::sockets::aptosa(sip, 0, sa)) + // Invalid + return false; - if (!this->cachedip.empty()) - return this->cachedip.c_str(); + LocalUser::SetClientIP(sa, recheck_eline); + return true; +} - switch (this->GetProtocolFamily()) +void LocalUser::SetClientIP(const irc::sockets::sockaddrs& sa, bool recheck_eline) +{ + if (sa != client_sa) { -#ifdef SUPPORT_IP6LINKS - case AF_INET6: - { - static char temp[1024]; - - sockaddr_in6* sin = (sockaddr_in6*)this->ip; - inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf)); - /* IP addresses starting with a : on irc are a Bad Thing (tm) */ - if (*buf == ':') - { - strlcpy(&temp[1], buf, sizeof(temp) - 1); - *temp = '0'; - this->cachedip = temp; - return temp; - } + User::SetClientIP(sa); + if (recheck_eline) + this->exempt = (ServerInstance->XLines->MatchesLine("E", this) != NULL); - this->cachedip = buf; - return buf; - } - break; -#endif - case AF_INET: - { - sockaddr_in* sin = (sockaddr_in*)this->ip; - inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf)); - this->cachedip = buf; - return buf; - } - break; - default: - break; + FOREACH_MOD(OnSetUserIP, (this)); } +} + +static std::string wide_newline("\r\n"); - // Unreachable, probably - return ""; +void User::Write(const std::string& text) +{ } -/** NOTE: We cannot pass a const reference to this method. - * The string is changed by the workings of the method, - * so that if we pass const ref, we end up copying it to - * something we can change anyway. Makes sense to just let - * the compiler do that copy for us. - */ -void User::Write(std::string text) +void User::Write(const char *text, ...) +{ +} + +void LocalUser::Write(const std::string& text) { - if (!ServerInstance->SE->BoundsCheckFd(this)) + if (!SocketEngine::BoundsCheckFd(&eh)) return; - try + if (text.length() > ServerInstance->Config->Limits.MaxLine - 2) { - ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str()); - text.append("\r\n"); - } - catch (...) - { - ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"Exception in User::Write() std::string::append"); + // this should happen rarely or never. Crop the string at 512 and try again. + std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2); + Write(try_again); return; } - if (this->GetIOHook()) - { - /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to - * implement their own buffering mechanisms - */ - try - { - this->GetIOHook()->OnRawSocketWrite(this->fd, text.data(), text.length()); - } - catch (CoreException& modexcept) - { - ServerInstance->Logs->Log("USEROUTPUT", DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } - } - else - { - this->AddWriteBuf(text); - } - ServerInstance->stats->statsSent += text.length(); - this->ServerInstance->SE->WantWrite(this); + ServerInstance->Logs->Log("USEROUTPUT", LOG_RAWIO, "C[%s] O %s", uuid.c_str(), text.c_str()); + + eh.AddWriteBuf(text); + eh.AddWriteBuf(wide_newline); + + ServerInstance->stats->statsSent += text.length() + 2; + this->bytes_out += text.length() + 2; + this->cmds_out++; } /** Write() */ -void User::Write(const char *text, ...) +void LocalUser::Write(const char *text, ...) { - va_list argsPtr; - char textbuffer[MAXBUF]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->Write(std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + this->Write(textbuffer); } void User::WriteServ(const std::string& text) { - char textbuffer[MAXBUF]; - - snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str()); - this->Write(std::string(textbuffer)); + this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str()); } /** WriteServ() @@ -1363,50 +858,41 @@ void User::WriteServ(const std::string& text) */ void User::WriteServ(const char* text, ...) { - va_list argsPtr; - char textbuffer[MAXBUF]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteServ(std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + this->WriteServ(textbuffer); } +void User::WriteCommand(const char* command, const std::string& text) +{ + this->WriteServ(command + (this->registered & REG_NICK ? " " + this->nick : " *") + " " + text); +} void User::WriteNumeric(unsigned int numeric, const char* text, ...) { - va_list argsPtr; - char textbuffer[MAXBUF]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteNumeric(numeric, std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + this->WriteNumeric(numeric, textbuffer); } void User::WriteNumeric(unsigned int numeric, const std::string &text) { - char textbuffer[MAXBUF]; - int MOD_RESULT = 0; + ModResult MOD_RESULT; - FOREACH_RESULT(I_OnNumeric, OnNumeric(this, numeric, text)); + FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text)); - if (MOD_RESULT) + if (MOD_RESULT == MOD_RES_DENY) return; - snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName, numeric, text.c_str()); - this->Write(std::string(textbuffer)); + const std::string message = InspIRCd::Format(":%s %03u %s %s", ServerInstance->Config->ServerName.c_str(), + numeric, this->registered & REG_NICK ? this->nick.c_str() : "*", text.c_str()); + this->Write(message); } 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); } @@ -1414,14 +900,9 @@ void User::WriteFrom(User *user, const std::string &text) void User::WriteFrom(User *user, const char* text, ...) { - va_list argsPtr; - char textbuffer[MAXBUF]; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteFrom(user, std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + this->WriteFrom(user, textbuffer); } @@ -1429,14 +910,9 @@ void User::WriteFrom(User *user, const char* text, ...) void User::WriteTo(User *dest, const char *data, ...) { - char textbuffer[MAXBUF]; - va_list argsPtr; - - va_start(argsPtr, data); - vsnprintf(textbuffer, MAXBUF, data, argsPtr); - va_end(argsPtr); - - this->WriteTo(dest, std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, data, data); + this->WriteTo(dest, textbuffer); } void User::WriteTo(User *dest, const std::string &data) @@ -1444,175 +920,144 @@ void User::WriteTo(User *dest, const std::string &data) dest->WriteFrom(this, data); } - void User::WriteCommon(const char* text, ...) { - char textbuffer[MAXBUF]; - va_list argsPtr; - - if (this->registered != REG_ALL) + if (this->registered != REG_ALL || quitting) return; - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteCommon(std::string(textbuffer)); + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + textbuffer = ":" + this->GetFullHost() + " " + textbuffer; + this->WriteCommonRaw(textbuffer, true); } -void User::WriteCommon(const std::string &text) +void User::WriteCommonExcept(const char* text, ...) { - bool sent_to_at_least_one = false; - char tb[MAXBUF]; + if (this->registered != REG_ALL || quitting) + return; - if (this->registered != REG_ALL) + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + textbuffer = ":" + this->GetFullHost() + " " + textbuffer; + this->WriteCommonRaw(textbuffer, false); +} + +void User::WriteCommonRaw(const std::string &line, bool include_self) +{ + if (this->registered != REG_ALL || quitting) return; - uniq_id++; + LocalUser::already_sent_id++; - if (!already_sent) - InitializeAlreadySent(ServerInstance->SE); + IncludeChanList include_c(chans.begin(), chans.end()); + std::map exceptions; - /* We dont want to be doing this n times, just once */ - snprintf(tb,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str()); - std::string out = tb; + exceptions[this] = include_self; - for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) + FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions)); + + for (std::map::iterator i = exceptions.begin(); i != exceptions.end(); ++i) { - CUList* ulist = v->first->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + LocalUser* u = IS_LOCAL(i->first); + if (u && !u->quitting) { - if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) - { - already_sent[i->first->fd] = uniq_id; - i->first->Write(out); - sent_to_at_least_one = true; - } + u->already_sent = LocalUser::already_sent_id; + if (i->second) + u->Write(line); } } - - /* - * if the user was not in any channels, no users will receive the text. Make sure the user - * receives their OWN message for WriteCommon - */ - if (!sent_to_at_least_one) + for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v) { - this->Write(std::string(tb)); + Channel* c = (*v)->chan; + const UserMembList* ulist = c->GetUsers(); + for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++) + { + LocalUser* u = IS_LOCAL(i->first); + if (u && u->already_sent != LocalUser::already_sent_id) + { + u->already_sent = LocalUser::already_sent_id; + u->Write(line); + } + } } } - -/* write a formatted string to all users who share at least one common - * channel, NOT including the source user e.g. for use in QUIT - */ - -void User::WriteCommonExcept(const char* text, ...) -{ - char textbuffer[MAXBUF]; - va_list argsPtr; - - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - - this->WriteCommonExcept(std::string(textbuffer)); -} - 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++; + already_sent_t uniq_id = ++LocalUser::already_sent_id; - if (!already_sent) - InitializeAlreadySent(ServerInstance->SE); + const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text; + const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text; - 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; + IncludeChanList include_c(chans.begin(), chans.end()); + std::map exceptions; - for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) + FOREACH_MOD(OnBuildNeighborList, (this, include_c, exceptions)); + + for (std::map::iterator i = exceptions.begin(); i != exceptions.end(); ++i) { - CUList *ulist = v->first->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + LocalUser* u = IS_LOCAL(i->first); + if (u && !u->quitting) { - if (this != i->first) - { - if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) - { - already_sent[i->first->fd] = uniq_id; - i->first->Write(IS_OPER(i->first) ? out2 : out1); - } - } + u->already_sent = uniq_id; + if (i->second) + u->Write(u->IsOper() ? operMessage : normalMessage); } } -} - -void User::WriteCommonExcept(const std::string &text) -{ - char tb1[MAXBUF]; - std::string out1; - - if (this->registered != REG_ALL) - return; - - uniq_id++; - - if (!already_sent) - InitializeAlreadySent(ServerInstance->SE); - - snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str()); - out1 = tb1; - - for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) + for (IncludeChanList::const_iterator v = include_c.begin(); v != include_c.end(); ++v) { - CUList *ulist = v->first->GetUsers(); - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + const UserMembList* ulist = (*v)->chan->GetUsers(); + for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++) { - if (this != i->first) + LocalUser* u = IS_LOCAL(i->first); + if (u && (u->already_sent != uniq_id)) { - if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) - { - already_sent[i->first->fd] = uniq_id; - i->first->Write(out1); - } + u->already_sent = uniq_id; + u->Write(u->IsOper() ? operMessage : normalMessage); } } } - } -void User::WriteWallOps(const std::string &text) +void LocalUser::SendText(const std::string& line) { - std::string wallop("WALLOPS :"); - wallop.append(text); - - for (std::vector::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) - { - User* t = *i; - if (t->IsModeSet('w')) - this->WriteTo(t,wallop); - } + Write(line); } -void User::WriteWallOps(const char* text, ...) +void RemoteUser::SendText(const std::string& line) { - if (!IS_LOCAL(this)) - return; + ServerInstance->PI->PushToClient(this, line); +} - char textbuffer[MAXBUF]; - va_list argsPtr; +void FakeUser::SendText(const std::string& line) +{ +} - va_start(argsPtr, text); - vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); +void User::SendText(const char *text, ...) +{ + std::string line; + VAFORMAT(line, text, text); + SendText(line); +} - this->WriteWallOps(std::string(textbuffer)); +void User::SendText(const std::string& linePrefix, std::stringstream& textStream) +{ + std::string line; + std::string word; + while (textStream >> word) + { + size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r" + if (lineLength > ServerInstance->Config->Limits.MaxLine) + { + SendText(linePrefix + line); + line.clear(); + } + line += " " + word; + } + SendText(linePrefix + line); } /* return 0 or 1 depending if users u and u2 share one or more common channels @@ -1629,7 +1074,7 @@ void User::WriteWallOps(const char* text, ...) */ bool User::SharesChannelWith(User *other) { - if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL)) + if ((this->registered != REG_ALL) || (other->registered != REG_ALL)) return false; /* Outer loop */ @@ -1638,175 +1083,77 @@ bool User::SharesChannelWith(User *other) /* Eliminate the inner loop (which used to be ~equal in size to the outer loop) * by replacing it with a map::find which *should* be more efficient */ - if (i->first->HasUser(other)) + if ((*i)->chan->HasUser(other)) return true; } return false; } -bool User::ChangeName(const char* gecos) +bool User::ChangeName(const std::string& gecos) { if (!this->fullname.compare(gecos)) return true; if (IS_LOCAL(this)) { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos)); - if (MOD_RESULT) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (IS_LOCAL(this),gecos)); + if (MOD_RESULT == MOD_RES_DENY) return false; - FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos)); + FOREACH_MOD(OnChangeName, (this,gecos)); } this->fullname.assign(gecos, 0, ServerInstance->Config->Limits.MaxGecos); return true; } -bool User::ChangeDisplayedHost(const char* shost) +bool User::ChangeDisplayedHost(const std::string& shost) { if (dhost == shost) return true; if (IS_LOCAL(this)) { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,shost)); - if (MOD_RESULT) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (IS_LOCAL(this),shost)); + if (MOD_RESULT == MOD_RES_DENY) return false; } - FOREACH_MOD(I_OnChangeHost, OnChangeHost(this,shost)); - - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnHostCycle, OnHostCycle(this)); - - if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT) - this->WriteCommonExcept("QUIT :Changing hosts"); + FOREACH_MOD(OnChangeHost, (this,shost)); - /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */ this->dhost.assign(shost, 0, 64); - this->InvalidateCache(); - if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT) - { - for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) - { - i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name.c_str()); - std::string n = this->ServerInstance->Modes->ModeString(this, i->first); - if (n.length() > 0) - i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name.c_str(), n.c_str()); - } - } - if (IS_LOCAL(this)) - this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s %s :is now your displayed host",this->nick.c_str(),this->dhost.c_str()); + this->WriteNumeric(RPL_YOURDISPLAYEDHOST, "%s :is now your displayed host", this->dhost.c_str()); return true; } -bool User::ChangeIdent(const char* newident) +bool User::ChangeIdent(const std::string& newident) { if (this->ident == newident) return true; - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnHostCycle, OnHostCycle(this)); - - if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT) - this->WriteCommonExcept("%s","QUIT :Changing ident"); - - this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax + 1); + FOREACH_MOD(OnChangeIdent, (this,newident)); + this->ident.assign(newident, 0, ServerInstance->Config->Limits.IdentMax); this->InvalidateCache(); - if (this->ServerInstance->Config->CycleHosts && !MOD_RESULT) - { - for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) - { - i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name.c_str()); - std::string n = this->ServerInstance->Modes->ModeString(this, i->first); - if (n.length() > 0) - i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name.c_str(), n.c_str()); - } - } - return true; } 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) -{ - std::string list; - - for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) - { - /* If the target is the same as the sender, let them see all their channels. - * If the channel is NOT private/secret OR the user shares a common channel - * If the user is an oper, and the option is set. - */ - if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->IsModeSet('p')) && (!i->first->IsModeSet('s'))) || (i->first->HasUser(source)))) - { - list.append(i->first->GetPrefixChar(this)).append(i->first->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 = strlen(ServerInstance->Config->ServerName) + 6; - - for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1) - { - 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)); - } - } + std::string textbuffer; + VAFORMAT(textbuffer, text, text); + const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer; - if (line.length()) + for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) { - ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str()); + if ((*i)->registered == REG_ALL) + (*i)->Write(message); } } @@ -1817,14 +1164,11 @@ void User::SplitChanList(User* dest, const std::string &cl) * then their ip will be taken as 'priority' anyway, so for example, * will match joe!bloggs@localhost */ -ConnectClass* User::SetClass(const std::string &explicit_name) +void LocalUser::SetClass(const std::string &explicit_name) { ConnectClass *found = NULL; - if (!IS_LOCAL(this)) - return 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()) { @@ -1832,12 +1176,9 @@ ConnectClass* User::SetClass(const std::string &explicit_name) { ConnectClass* c = *i; - if (c->GetDisabled()) - continue; // can't possibly match, removed from conf - - if (explicit_name == c->GetName()) + 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; } } @@ -1847,28 +1188,31 @@ ConnectClass* User::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->GetType() == CC_ALLOW) - { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "ALLOW %s %d %s", c->GetHost().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 it's disabled, we can't match this one. */ - if (c->GetDisabled()) - { - ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class disabled"); + if (c->type == CC_NAMED) + continue; + + bool regdone = (registered != REG_NONE); + if (c->config->getBool("registered", regdone) != regdone) continue; - } /* check if host matches.. */ 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; } @@ -1876,21 +1220,28 @@ ConnectClass* User::SetClass(const std::string &explicit_name) * deny change if change will take class over the limit check it HERE, not after we found a matching class, * because we should attempt to find another class if this one doesn't match us. -- w00t */ - if (c->limit && (c->RefCount + 1 >= c->limit)) + 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->GetPort() != 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->GetPort()); + ServerInstance->Logs->Log("CONNECTCLASS", LOG_DEBUG, "Bad password, skipping"); continue; } } @@ -1906,154 +1257,73 @@ ConnectClass* User::SetClass(const std::string &explicit_name) */ if (found) { - /* only fiddle with refcounts if they are already in a class .. */ - if (this->MyClass) - { - if (found == this->MyClass) // no point changing this shit :P - return this->MyClass; - this->MyClass->RefCount--; - ServerInstance->Logs->Log("USERS", DEBUG, "Untying user from connect class -- refcount: %lu", this->MyClass->RefCount); - } - - this->MyClass = found; - this->MyClass->RefCount++; - ServerInstance->Logs->Log("USERS", DEBUG, "User tied to new class -- connect refcount now: %lu", this->MyClass->RefCount); + MyClass = found; } - - return this->MyClass; -} - -/* looks up a users password for their connection class (/ tags) - * NOTE: If the or tag specifies an ip, and this user resolves, - * then their ip will be taken as 'priority' anyway, so for example, - * will match joe!bloggs@localhost - */ -ConnectClass* User::GetClass() -{ - return this->MyClass; } void User::PurgeEmptyChannels() { - std::vector to_delete; - // firstly decrement the count on each channel - for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++) - { - f->first->RemoveAllPrefixes(this); - if (f->first->DelUser(this) == 0) - { - /* No users left in here, mark it for deletion */ - try - { - to_delete.push_back(f->first); - } - catch (...) - { - ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::PurgeEmptyChannels to_delete.push_back()"); - } - } - } - - for (std::vector::iterator n = to_delete.begin(); n != to_delete.end(); n++) + for (UCListIter i = this->chans.begin(); i != this->chans.end(); ) { - Channel* thischan = *n; - chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name); - if (i2 != ServerInstance->chanlist->end()) - { - int MOD_RESULT = 0; - FOREACH_RESULT_I(ServerInstance,I_OnChannelPreDelete, OnChannelPreDelete(i2->second)); - if (MOD_RESULT == 1) - continue; // delete halted by module - FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second)); - delete i2->second; - ServerInstance->chanlist->erase(i2); - this->chans.erase(*n); - } + Channel* c = (*i)->chan; + ++i; + c->DelUser(this); } this->UnOper(); } -void User::ShowMOTD() -{ - if (!ServerInstance->Config->MOTD.size()) - { - this->WriteNumeric(ERR_NOMOTD, "%s :Message of the day file is missing.",this->nick.c_str()); - return; - } - this->WriteNumeric(RPL_MOTDSTART, "%s :%s message of the day", this->nick.c_str(), ServerInstance->Config->ServerName); - - for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++) - this->WriteNumeric(RPL_MOTD, "%s :- %s",this->nick.c_str(),i->c_str()); - - this->WriteNumeric(RPL_ENDOFMOTD, "%s :End of message of the day.", this->nick.c_str()); -} - -void User::ShowRULES() -{ - if (!ServerInstance->Config->RULES.size()) - { - this->WriteNumeric(ERR_NORULES, "%s :RULES File is missing",this->nick.c_str()); - return; - } - - this->WriteNumeric(RPL_RULESTART, "%s :- %s Server Rules -",this->nick.c_str(),ServerInstance->Config->ServerName); - - for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++) - this->WriteNumeric(RPL_RULES, "%s :- %s",this->nick.c_str(),i->c_str()); - - this->WriteNumeric(RPL_RULESEND, "%s :End of RULES command.",this->nick.c_str()); -} - -void User::HandleEvent(EventType et, int errornum) -{ - if (this->quitting) // drop everything, user is due to be quit - return; - - switch (et) - { - case EVENT_READ: - ServerInstance->ProcessUser(this); - break; - case EVENT_WRITE: - this->FlushWriteBuf(); - break; - case EVENT_ERROR: - ServerInstance->Users->QuitUser(this, errornum ? strerror(errornum) : "Client closed the connection"); - break; - } -} - -void User::SetOperQuit(const std::string &oquit) -{ - operquitmsg = oquit; -} - -const std::string& User::GetOperQuit() +const std::string& FakeUser::GetFullHost() { - return operquitmsg; + if (!ServerInstance->Config->HideWhoisServer.empty()) + return ServerInstance->Config->HideWhoisServer; + return server->GetName(); } -void User::IncreasePenalty(int increase) +const std::string& FakeUser::GetFullRealHost() { - this->Penalty += increase; + if (!ServerInstance->Config->HideWhoisServer.empty()) + return ServerInstance->Config->HideWhoisServer; + return server->GetName(); } -void User::DecreasePenalty(int decrease) +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), softsendqmax(0), hardsendqmax(0), recvqmax(0), + penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), + limit(0), resolvehostnames(true) { - this->Penalty -= decrease; } -VisData::VisData() +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), + softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax), + penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate), + maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans), + limit(parent.limit), resolvehostnames(parent.resolvehostnames) { } -VisData::~VisData() +void ConnectClass::Update(const ConnectClass* src) { -} - -bool VisData::VisibleTo(User* user) -{ - return true; + config = src->config; + type = src->type; + fakelag = src->fakelag; + name = src->name; + registration_timeout = src->registration_timeout; + host = src->host; + pingtime = src->pingtime; + 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; + resolvehostnames = src->resolvehostnames; }