-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/* $Core: libIRCDusermanager */
#include "inspircd.h"
+#include "xline.h"
+#include "bancache.h"
+#include "iohook.h"
-void UserManager::AddLocalClone(User *user)
+UserManager::UserManager()
+ : clientlist(new user_hash)
+ , uuidlist(new user_hash)
+ , unregistered_count(0), local_count(0)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
- if (x != local_clones.end())
- x->second++;
+}
+
+UserManager::~UserManager()
+{
+ for (user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i)
+ {
+ delete i->second;
+ }
+
+ delete clientlist;
+ delete uuidlist;
+}
+
+/* add a client connection to the sockets list */
+void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+{
+ /* NOTE: Calling this one parameter constructor for User automatically
+ * allocates a new UUID and places it in the hash_map.
+ */
+ LocalUser* New = NULL;
+ try
+ {
+ New = new LocalUser(socket, client, server);
+ }
+ catch (...)
+ {
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "*** WTF *** Duplicated UUID! -- Crack smoking monkeys have been unleashed.");
+ ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
+ return;
+ }
+ UserIOHandler* eh = &New->eh;
+
+ /* Give each of the modules an attempt to hook the user for I/O */
+ FOREACH_MOD(OnHookIO, (eh, via));
+
+ if (eh->GetIOHook())
+ {
+ try
+ {
+ eh->GetIOHook()->OnStreamSocketAccept(eh, client, server);
+ }
+ catch (CoreException& modexcept)
+ {
+ ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ }
+ }
+
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket);
+
+ this->unregistered_count++;
+
+ /* The users default nick is their UUID */
+ New->nick = New->uuid;
+ (*(this->clientlist))[New->nick] = New;
+
+ New->registered = REG_NONE;
+ New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
+ New->lastping = 1;
+
+ ServerInstance->Users->AddLocalClone(New);
+ ServerInstance->Users->AddGlobalClone(New);
+
+ New->localuseriter = this->local_users.insert(local_users.end(), New);
+ local_count++;
+
+ if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
+ this->QuitUser(New,"No more connections allowed");
+ return;
+ }
+
+ /*
+ * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
+ * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
+ */
+ New->SetClass();
+
+ /*
+ * Check connect class settings and initialise settings into User.
+ * This will be done again after DNS resolution. -- w00t
+ */
+ New->CheckClass(ServerInstance->Config->CCOnConnect);
+ if (New->quitting)
+ return;
+
+ /*
+ * even with bancache, we still have to keep User::exempt current.
+ * besides that, if we get a positive bancache hit, we still won't fuck
+ * them over if they are exempt. -- w00t
+ */
+ New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
+
+ if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
+ {
+ if (!b->Type.empty() && !New->exempt)
+ {
+ /* user banned */
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString());
+ if (!ServerInstance->Config->XLineMessage.empty())
+ New->WriteNotice("*** " + ServerInstance->Config->XLineMessage);
+ this->QuitUser(New, b->Reason);
+ return;
+ }
+ else
+ {
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Negative hit for " + New->GetIPString());
+ }
+ }
+ else
+ {
+ if (!New->exempt)
+ {
+ XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
+
+ if (r)
+ {
+ r->Apply(New);
+ return;
+ }
+ }
+ }
+
+ if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+ {
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection");
+ this->QuitUser(New, "Internal error handling connection");
+ }
+
+ if (ServerInstance->Config->RawLog)
+ New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
+
+ FOREACH_MOD(OnSetUserIP, (New));
+ if (New->quitting)
+ return;
+
+ FOREACH_MOD(OnUserInit, (New));
+}
+
+void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+{
+ if (user->quitting)
+ {
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit quitting user: " + user->nick);
+ return;
+ }
+
+ if (IS_SERVER(user))
+ {
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit server user: " + user->nick);
+ return;
+ }
+
+ user->quitting = true;
+
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
+ user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str());
+
+ std::string reason;
+ std::string oper_reason;
+ reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
+ if (operreason && *operreason)
+ oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit);
+ else
+ oper_reason = quitreason;
+
+ ServerInstance->GlobalCulls.AddItem(user);
+
+ if (user->registered == REG_ALL)
+ {
+ FOREACH_MOD(OnUserQuit, (user, reason, oper_reason));
+ user->WriteCommonQuit(reason, oper_reason);
+ }
+
+ if (user->registered != REG_ALL)
+ if (ServerInstance->Users->unregistered_count)
+ ServerInstance->Users->unregistered_count--;
+
+ if (IS_LOCAL(user))
+ {
+ LocalUser* lu = IS_LOCAL(user);
+ FOREACH_MOD(OnUserDisconnect, (lu));
+ lu->eh.Close();
+ }
+
+ /*
+ * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
+ * if they were an oper with +s +qQ.
+ */
+ if (user->registered == REG_ALL)
+ {
+ if (IS_LOCAL(user))
+ {
+ if (!user->quietquit)
+ {
+ ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]",
+ user->GetFullRealHost().c_str(), user->GetIPString().c_str(), oper_reason.c_str());
+ }
+ }
+ else
+ {
+ if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit))
+ {
+ ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s (%s) [%s]",
+ user->server.c_str(), user->GetFullRealHost().c_str(), user->GetIPString().c_str(), oper_reason.c_str());
+ }
+ }
+ }
+
+ user_hash::iterator iter = this->clientlist->find(user->nick);
+
+ if (iter != this->clientlist->end())
+ this->clientlist->erase(iter);
else
- local_clones[user->GetIPString()] = 1;
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick);
+
+ ServerInstance->Users->uuidlist->erase(user->uuid);
+}
+
+void UserManager::AddLocalClone(User *user)
+{
+ local_clones[user->GetCIDRMask()]++;
}
void UserManager::AddGlobalClone(User *user)
{
- clonemap::iterator y = global_clones.find(user->GetIPString());
- if (y != global_clones.end())
- y->second++;
- else
- global_clones[user->GetIPString()] = 1;
+ global_clones[user->GetCIDRMask()]++;
}
void UserManager::RemoveCloneCounts(User *user)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
- if (x != local_clones.end())
+ if (IS_LOCAL(user))
{
- x->second--;
- if (!x->second)
+ clonemap::iterator x = local_clones.find(user->GetCIDRMask());
+ if (x != local_clones.end())
{
- local_clones.erase(x);
+ x->second--;
+ if (!x->second)
+ {
+ local_clones.erase(x);
+ }
}
}
-
- clonemap::iterator y = global_clones.find(user->GetIPString());
+
+ clonemap::iterator y = global_clones.find(user->GetCIDRMask());
if (y != global_clones.end())
{
y->second--;
unsigned long UserManager::GlobalCloneCount(User *user)
{
- clonemap::iterator x = global_clones.find(user->GetIPString());
+ clonemap::iterator x = global_clones.find(user->GetCIDRMask());
if (x != global_clones.end())
return x->second;
else
unsigned long UserManager::LocalCloneCount(User *user)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
+ clonemap::iterator x = local_clones.find(user->GetCIDRMask());
if (x != local_clones.end())
return x->second;
else
return 0;
}
+
+void UserManager::ServerNoticeAll(const char* text, ...)
+{
+ std::string message;
+ VAFORMAT(message, text, text);
+ message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message;
+
+ for (LocalUserList::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ {
+ User* t = *i;
+ t->WriteServ(message);
+ }
+}
+
+void UserManager::GarbageCollect()
+{
+ // Reset the already_sent IDs so we don't wrap it around and drop a message
+ LocalUser::already_sent_id = 0;
+ for (LocalUserList::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
+ {
+ (**i).already_sent = 0;
+ (**i).RemoveExpiredInvites();
+ }
+}
+
+/* this returns true when all modules are satisfied that the user should be allowed onto the irc server
+ * (until this returns true, a user will block in the waiting state, waiting to connect up to the
+ * registration timeout maximum seconds)
+ */
+bool UserManager::AllModulesReportReady(LocalUser* user)
+{
+ ModResult res;
+ FIRST_MOD_RESULT(OnCheckReady, res, (user));
+ return (res == MOD_RES_PASSTHRU);
+}