-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <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 */
#include "inspircd.h"
#include "xline.h"
#include "bancache.h"
+#include "iohook.h"
+
+UserManager::UserManager()
+ : unregistered_count(0)
+{
+}
+
+UserManager::~UserManager()
+{
+ for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); ++i)
+ {
+ delete i->second;
+ }
+}
/* add a client connection to the sockets list */
-void UserManager::AddUser(int socket, ClientListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
{
/* NOTE: Calling this one parameter constructor for User automatically
* allocates a new UUID and places it in the hash_map.
*/
- User* New = NULL;
+ LocalUser* New = NULL;
try
{
- New = new User();
+ New = new LocalUser(socket, client, server);
}
catch (...)
{
- ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+ 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;
- New->SetFd(socket);
- memcpy(&New->client_sa, client, sizeof(irc::sockets::sockaddrs));
- memcpy(&New->server_sa, server, sizeof(irc::sockets::sockaddrs));
-
- /* Give each of the modules an attempt to hook the user for I/O */
- FOREACH_MOD(I_OnHookIO, OnHookIO(New, via));
+ // If this listener has an IO hook provider set then tell it about the connection
+ if (via->iohookprov)
+ via->iohookprov->OnAccept(eh, client, server);
- if (New->GetIOHook())
- {
- try
- {
- New->GetIOHook()->OnStreamSocketAccept(New, client, server);
- }
- catch (CoreException& modexcept)
- {
- ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
- }
- }
-
- ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket);
this->unregistered_count++;
- (*(this->clientlist))[New->uuid] = New;
-
/* The users default nick is their UUID */
- New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax);
-
- New->server = ServerInstance->FindServerNamePtr(ServerInstance->Config->ServerName);
- New->ident.assign("unknown");
+ New->nick = New->uuid;
+ this->clientlist[New->nick] = New;
New->registered = REG_NONE;
New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
New->lastping = 1;
- /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
- New->dhost.assign(New->GetIPString(), 0, 64);
- New->host.assign(New->GetIPString(), 0, 64);
+ this->AddClone(New);
- ServerInstance->Users->AddLocalClone(New);
- ServerInstance->Users->AddGlobalClone(New);
+ this->local_users.push_front(New);
+
+ if (this->local_users.size() > ServerInstance->Config->SoftLimit)
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
+ this->QuitUser(New,"No more connections allowed");
+ return;
+ }
/*
* First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
* See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
*/
- ConnectClass* i = New->SetClass();
-
- if (!i)
- {
- this->QuitUser(New, "Access denied by configuration");
- return;
- }
+ New->SetClass();
/*
* Check connect class settings and initialise settings into User.
* This will be done again after DNS resolution. -- w00t
*/
- New->CheckClass();
-
- this->local_users.push_back(New);
-
- if ((this->local_users.size() > 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");
+ New->CheckClass(ServerInstance->Config->CCOnConnect);
+ if (New->quitting)
return;
- }
/*
* even with bancache, we still have to keep User::exempt current.
if (!b->Type.empty() && !New->exempt)
{
/* user banned */
- ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
- if (*ServerInstance->Config->MoronBanner)
- New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner);
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString());
+ if (!ServerInstance->Config->XLineMessage.empty())
+ New->WriteNotice("*** " + ServerInstance->Config->XLineMessage);
this->QuitUser(New, b->Reason);
return;
}
else
{
- ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Negative hit for " + New->GetIPString());
}
}
else
}
}
- if (!ServerInstance->SE->AddFd(New, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+ if (!SocketEngine::AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
{
- ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection");
this->QuitUser(New, "Internal error handling connection");
}
- /* NOTE: even if dns lookups are *off*, we still need to display this.
- * BOPM and other stuff requires it.
- */
- New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
+ if (ServerInstance->Config->RawLog)
+ New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
- if (ServerInstance->Config->NoUserDns)
- {
- New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str());
- New->dns_done = true;
- }
- else
- {
- New->StartDNSLookup();
- }
+ FOREACH_MOD(OnSetUserIP, (New));
+ if (New->quitting)
+ return;
+
+ FOREACH_MOD(OnUserInit, (New));
}
-void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+void UserManager::QuitUser(User* user, const std::string& quitreason, const std::string* operreason)
{
if (user->quitting)
{
- ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str());
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit quitting user: " + user->nick);
return;
}
if (IS_SERVER(user))
{
- ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str());
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Tried to quit server user: " + user->nick);
return;
}
user->quitting = true;
- ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
- user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str());
+ ServerInstance->Logs->Log("USERS", LOG_DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
+ user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), operreason ? operreason->c_str() : quitreason.c_str());
std::string reason;
- std::string oper_reason;
reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
- if (operreason && *operreason)
- oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit);
- else
- oper_reason = quitreason;
+ if (!operreason)
+ operreason = &reason;
ServerInstance->GlobalCulls.AddItem(user);
if (user->registered == REG_ALL)
{
- FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason));
- user->WriteCommonQuit(reason, oper_reason);
+ FOREACH_MOD(OnUserQuit, (user, reason, *operreason));
+ user->WriteCommonQuit(reason, *operreason);
}
-
- FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(user));
-
- if (user->registered != REG_ALL)
- if (ServerInstance->Users->unregistered_count)
- ServerInstance->Users->unregistered_count--;
+ else
+ unregistered_count--;
if (IS_LOCAL(user))
{
- user->DoWrite();
- if (user->GetIOHook())
- {
- try
- {
- user->GetIOHook()->OnStreamSocketClose(user);
- }
- catch (CoreException& modexcept)
- {
- ServerInstance->Logs->Log("USERS",DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
- }
- }
+ LocalUser* lu = IS_LOCAL(user);
+ FOREACH_MOD(OnUserDisconnect, (lu));
+ lu->eh.Close();
- ServerInstance->SE->DelFd(user);
- user->Close();
- // user->Close() will set fd to -1; this breaks IS_LOCAL. Fix
- user->SetFd(INT_MAX);
+ if (lu->registered == REG_ALL)
+ ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]", user->GetFullRealHost().c_str(), user->GetIPString().c_str(), operreason->c_str());
}
- /*
- * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
- * if they were an oper with +sn +qQ.
- */
- if (user->registered == REG_ALL)
- {
- if (IS_LOCAL(user))
- {
- if (!user->quietquit)
- {
- ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",
- user->nick.c_str(), user->ident.c_str(), user->host.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 [%s]",
- user->server, user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
- }
- }
- user->AddToWhoWas();
- }
-
- user_hash::iterator iter = this->clientlist->find(user->nick);
+ if (!clientlist.erase(user->nick))
+ ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick);
- if (iter != this->clientlist->end())
- this->clientlist->erase(iter);
- else
- ServerInstance->Logs->Log("USERS", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic..");
-}
-
-
-void UserManager::AddLocalClone(User *user)
-{
- int range = 32;
- clonemap::iterator x;
- switch (user->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;
- }
-
- x = local_clones.find(user->GetCIDRMask(range));
- if (x != local_clones.end())
- x->second++;
- else
- local_clones[user->GetCIDRMask(range)] = 1;
+ uuidlist.erase(user->uuid);
+ user->PurgeEmptyChannels();
}
-void UserManager::AddGlobalClone(User *user)
+void UserManager::AddClone(User* user)
{
- int range = 32;
- clonemap::iterator x;
- switch (user->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;
- }
-
- x = global_clones.find(user->GetCIDRMask(range));
- if (x != global_clones.end())
- x->second++;
- else
- global_clones[user->GetCIDRMask(range)] = 1;
+ CloneCounts& counts = clonemap[user->GetCIDRMask()];
+ counts.global++;
+ if (IS_LOCAL(user))
+ counts.local++;
}
void UserManager::RemoveCloneCounts(User *user)
{
- int range = 32;
- switch (user->client_sa.sa.sa_family)
+ CloneMap::iterator it = clonemap.find(user->GetCIDRMask());
+ if (it != clonemap.end())
{
- case AF_INET6:
- range = ServerInstance->Config->c_ipv6_range;
- break;
- case AF_INET:
- range = ServerInstance->Config->c_ipv4_range;
- break;
- }
-
- clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
- if (x != local_clones.end())
- {
- x->second--;
- if (!x->second)
+ CloneCounts& counts = it->second;
+ counts.global--;
+ if (counts.global == 0)
{
- local_clones.erase(x);
+ // No more users from this IP, remove entry from the map
+ clonemap.erase(it);
+ return;
}
- }
- clonemap::iterator y = global_clones.find(user->GetCIDRMask(range));
- if (y != global_clones.end())
- {
- y->second--;
- if (!y->second)
- {
- global_clones.erase(y);
- }
+ if (IS_LOCAL(user))
+ counts.local--;
}
}
-unsigned long UserManager::GlobalCloneCount(User *user)
+const UserManager::CloneCounts& UserManager::GetCloneCounts(User* user) const
{
- int range = 32;
- switch (user->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;
- }
- clonemap::iterator x = global_clones.find(user->GetCIDRMask(range));
- if (x != global_clones.end())
- return x->second;
+ CloneMap::const_iterator it = clonemap.find(user->GetCIDRMask());
+ if (it != clonemap.end())
+ return it->second;
else
- return 0;
-}
-
-unsigned long UserManager::LocalCloneCount(User *user)
-{
- int range = 32;
- switch (user->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;
- }
- clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
- if (x != local_clones.end())
- return x->second;
- else
- return 0;
-}
-
-/* this function counts all users connected, wether they are registered or NOT. */
-unsigned int UserManager::UserCount()
-{
- /*
- * XXX: Todo:
- * As part of this restructuring, move clientlist/etc fields into usermanager.
- * -- w00t
- */
- return this->clientlist->size();
-}
-
-/* this counts only registered users, so that the percentages in /MAP don't mess up */
-unsigned int UserManager::RegisteredUserCount()
-{
- return this->clientlist->size() - this->UnregisteredUserCount();
-}
-
-/* return how many users are opered */
-unsigned int UserManager::OperCount()
-{
- return this->all_opers.size();
-}
-
-/* return how many users are unregistered */
-unsigned int UserManager::UnregisteredUserCount()
-{
- return this->unregistered_count;
-}
-
-/* return how many local registered users there are */
-unsigned int UserManager::LocalUserCount()
-{
- /* Doesnt count unregistered clients */
- return (this->local_users.size() - this->UnregisteredUserCount());
+ return zeroclonecounts;
}
void UserManager::ServerNoticeAll(const char* text, ...)
{
- if (!text)
- return;
-
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName, textbuffer);
+ std::string message;
+ VAFORMAT(message, text, text);
+ message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message;
- for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ for (LocalUserList::const_iterator i = local_users.begin(); i != local_users.end(); i++)
{
User* t = *i;
- t->WriteServ(std::string(formatbuffer));
+ t->WriteServ(message);
}
}
-void UserManager::ServerPrivmsgAll(const char* text, ...)
+void UserManager::GarbageCollect()
{
- if (!text)
- return;
-
- char textbuffer[MAXBUF];
- char formatbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName, textbuffer);
-
- for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ // Reset the already_sent IDs so we don't wrap it around and drop a message
+ LocalUser::already_sent_id = 0;
+ for (LocalUserList::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
{
- User* t = *i;
- t->WriteServ(std::string(formatbuffer));
+ (**i).already_sent = 0;
+ (**i).RemoveExpiredInvites();
}
}
-void UserManager::WriteMode(const char* modes, int flags, const char* text, ...)
+/* this returns true when all modules are satisfied that the user should be allowed onto the irc server
+ * (until this returns true, a user will block in the waiting state, waiting to connect up to the
+ * registration timeout maximum seconds)
+ */
+bool UserManager::AllModulesReportReady(LocalUser* user)
{
- char textbuffer[MAXBUF];
- int modelen;
- va_list argsPtr;
+ ModResult res;
+ FIRST_MOD_RESULT(OnCheckReady, res, (user));
+ return (res == MOD_RES_PASSTHRU);
+}
- if (!text || !modes || !flags)
+/**
+ * This function is called once a second from the mainloop.
+ * It is intended to do background checking on all the user structs, e.g.
+ * stuff like ping checks, registration timeouts, etc.
+ */
+void UserManager::DoBackgroundUserStuff()
+{
+ /*
+ * loop over all local users..
+ */
+ for (LocalUserList::iterator i = local_users.begin(); i != local_users.end(); ++i)
{
- ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
- return;
- }
+ LocalUser* curr = *i;
- va_start(argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- modelen = strlen(modes);
+ if (curr->quitting)
+ continue;
- if (flags == WM_AND)
- {
- for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ if (curr->CommandFloodPenalty || curr->eh.getSendQSize())
{
- User* t = *i;
- bool send_to_user = true;
+ unsigned int rate = curr->MyClass->GetCommandRate();
+ if (curr->CommandFloodPenalty > rate)
+ curr->CommandFloodPenalty -= rate;
+ else
+ curr->CommandFloodPenalty = 0;
+ curr->eh.OnDataReady();
+ }
- for (int n = 0; n < modelen; n++)
- {
- if (!t->IsModeSet(modes[n]))
+ switch (curr->registered)
+ {
+ case REG_ALL:
+ if (ServerInstance->Time() > curr->nping)
{
- send_to_user = false;
- break;
+ // This user didn't answer the last ping, remove them
+ if (!curr->lastping)
+ {
+ time_t time = ServerInstance->Time() - (curr->nping - curr->MyClass->GetPingTime());
+ const std::string message = "Ping timeout: " + ConvToStr(time) + (time != 1 ? " seconds" : " second");
+ this->QuitUser(curr, message);
+ continue;
+ }
+
+ curr->Write("PING :" + ServerInstance->Config->ServerName);
+ curr->lastping = 0;
+ curr->nping = ServerInstance->Time() + curr->MyClass->GetPingTime();
}
- }
- if (send_to_user)
- {
- t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
- }
- }
- }
- else if (flags == WM_OR)
- {
- for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- User* t = *i;
- bool send_to_user = false;
-
- for (int n = 0; n < modelen; n++)
- {
- if (t->IsModeSet(modes[n]))
+ break;
+ case REG_NICKUSER:
+ if (AllModulesReportReady(curr))
{
- send_to_user = true;
- break;
+ /* User has sent NICK/USER, modules are okay, DNS finished. */
+ curr->FullConnect();
+ continue;
}
- }
+ break;
+ }
- if (send_to_user)
- {
- t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
- }
+ if (curr->registered != REG_ALL && (ServerInstance->Time() > (curr->age + curr->MyClass->GetRegTimeout())))
+ {
+ /*
+ * registration timeout -- didnt send USER/NICK/HOST
+ * in the time specified in their connection class.
+ */
+ this->QuitUser(curr, "Registration timeout");
+ continue;
}
}
}
-
-/* return how many users have a given mode e.g. 'a' */
-int UserManager::ModeCount(const char mode)
-{
- ModeHandler* mh = ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
-
- if (mh)
- return mh->GetCount();
- else
- return 0;
-}
projects / user / henk / code / inspircd.git / blobdiff