-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Craig McLure <craig@chatspike.net>
*
- * Written by Craig Edwards, Craig McLure, and others.
- * 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/>.
*/
-/* Now with added unF! ;) */
-using namespace std;
+/* $Core */
-#include "configreader.h"
-#include "users.h"
-#include "modules.h"
-#include "wildcard.h"
+#include "inspircd.h"
#include "xline.h"
#include "socketengine.h"
-#include "inspircd.h"
#include "command_parse.h"
-#include "cull_list.h"
-void InspIRCd::ProcessUser(userrec* cu)
+void FloodQuitUserHandler::Call(User* current)
{
- int result = EAGAIN;
-
- if (cu->GetFd() == FD_MAGIC_NUMBER)
- return;
+ ServerInstance->Logs->Log("USERS",DEFAULT,"Excess flood from: %s@%s", current->ident.c_str(), current->host.c_str());
+ ServerInstance->SNO->WriteToSnoMask('f',"Excess flood from: %s%s%s@%s",
+ current->registered == REG_ALL ? current->nick.c_str() : "",
+ current->registered == REG_ALL ? "!" : "", current->ident.c_str(), current->host.c_str());
+ ServerInstance->Users->QuitUser(current, "Excess flood");
- if (this->Config->GetIOHook(cu->GetPort()))
+ if (current->registered != REG_ALL)
{
- int result2 = 0;
- int MOD_RESULT = 0;
-
- try
- {
- MOD_RESULT = this->Config->GetIOHook(cu->GetPort())->OnRawSocketRead(cu->GetFd(),ReadBuffer,sizeof(ReadBuffer),result2);
- }
- catch (ModuleException& modexcept)
- {
- this->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
- }
-
- if (MOD_RESULT < 0)
- {
- result = -EAGAIN;
- }
+ ZLine* zl = new ZLine(ServerInstance->Time(), 0, ServerInstance->Config->ServerName, "Flood from unregistered connection", current->GetIPString());
+ if (ServerInstance->XLines->AddLine(zl,NULL))
+ ServerInstance->XLines->ApplyLines();
else
- {
- result = result2;
- }
- }
- else
- {
- result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer));
+ delete zl;
}
+}
- this->Log(DEBUG,"Read result: %d",result);
-
- if ((result) && (result != -EAGAIN))
+/**
+ * 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 InspIRCd::DoBackgroundUserStuff()
+{
+ /*
+ * loop over all local users..
+ */
+ LocalUserList::reverse_iterator count2 = this->Users->local_users.rbegin();
+ while (count2 != this->Users->local_users.rend())
{
- userrec *current;
- int currfd;
- int floodlines = 0;
+ LocalUser *curr = *count2;
+ count2++;
- this->stats->statsRecv += result;
- /*
- * perform a check on the raw buffer as an array (not a string!) to remove
- * character 0 which is illegal in the RFC - replace them with spaces.
- * XXX - no garauntee there's not \0's in the middle of the data,
- * and no reason for it to be terminated either. -- Om
- */
+ if (curr->quitting)
+ continue;
- for (int checker = 0; checker < result; checker++)
+ if (curr->CommandFloodPenalty || curr->eh.getSendQSize())
{
- if (ReadBuffer[checker] == 0)
- ReadBuffer[checker] = ' ';
+ unsigned int rate = curr->MyClass->GetCommandRate();
+ if (curr->CommandFloodPenalty > rate)
+ curr->CommandFloodPenalty -= rate;
+ else
+ curr->CommandFloodPenalty = 0;
+ curr->eh.OnDataReady();
}
- if (result > 0)
- ReadBuffer[result] = '\0';
-
- current = cu;
- currfd = current->GetFd();
-
- // add the data to the users buffer
- if (result > 0)
+ switch (curr->registered)
{
- if (!current->AddBuffer(ReadBuffer))
- {
- // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
- if (current->registered == REG_ALL)
+ case REG_ALL:
+ if (Time() > curr->nping)
{
- // Make sure they arn't flooding long lines.
- if (TIME > current->reset_due)
+ // This user didn't answer the last ping, remove them
+ if (!curr->lastping)
{
- current->reset_due = TIME + current->threshold;
- current->lines_in = 0;
+ time_t time = this->Time() - (curr->nping - curr->MyClass->GetPingTime());
+ char message[MAXBUF];
+ snprintf(message, MAXBUF, "Ping timeout: %ld second%s", (long)time, time > 1 ? "s" : "");
+ curr->lastping = 1;
+ curr->nping = Time() + curr->MyClass->GetPingTime();
+ this->Users->QuitUser(curr, message);
+ continue;
}
- current->lines_in++;
-
- if (current->lines_in > current->flood)
- {
- this->Log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- this->SNO->WriteToSnoMask('f',"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- userrec::QuitUser(this, current,"Excess flood");
- return;
- }
- else
- {
- current->WriteServ("NOTICE %s :Your previous line was too long and was not delivered (Over 512chars) Please shorten it.", current->nick);
- current->recvq = "";
- }
+ curr->Write("PING :%s",this->Config->ServerName.c_str());
+ curr->lastping = 0;
+ curr->nping = Time() +curr->MyClass->GetPingTime();
}
- else
+ break;
+ case REG_NICKUSER:
+ if (AllModulesReportReady(curr) && curr->dns_done)
{
- this->WriteOpers("*** Excess flood from %s",current->GetIPString());
- this->SNO->WriteToSnoMask('f',"Excess flood from: %s",current->GetIPString());
- XLines->add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
- XLines->apply_lines(APPLY_ZLINES);
- }
-
- return;
- }
-
- if (current->recvq.length() > (unsigned)this->Config->NetBufferSize)
- {
- if (current->registered == REG_ALL)
- {
- userrec::QuitUser(this, current,"RecvQ exceeded");
- }
- else
- {
- this->WriteOpers("*** Excess flood from %s",current->GetIPString());
- this->SNO->WriteToSnoMask('f',"Excess flood from: %s",current->GetIPString());
- XLines->add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
- XLines->apply_lines(APPLY_ZLINES);
- }
-
- return;
- }
-
- // while there are complete lines to process...
- while (current->BufferIsReady())
- {
- if (TIME > current->reset_due)
- {
- current->reset_due = TIME + current->threshold;
- current->lines_in = 0;
- }
-
- if (++current->lines_in > current->flood)
- {
- this->Log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- this->SNO->WriteToSnoMask('f',"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- userrec::QuitUser(this, current,"Excess flood");
- return;
- }
-
- if ((++floodlines > current->flood) && (current->flood != 0))
- {
- if (current->registered == REG_ALL)
- {
- this->Log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- SNO->WriteToSnoMask('f',"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- userrec::QuitUser(this, current,"Excess flood");
- }
- else
- {
- XLines->add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
- XLines->apply_lines(APPLY_ZLINES);
- }
-
- return;
+ /* User has sent NICK/USER, modules are okay, DNS finished. */
+ curr->FullConnect();
+ continue;
}
- // use GetBuffer to copy single lines into the sanitized string
- std::string single_line = current->GetBuffer();
- current->bytes_in += single_line.length();
- current->cmds_in++;
- if (single_line.length() > 512)
- single_line.resize(512);
-
- EventHandler* old_comp = this->SE->GetRef(currfd);
-
- this->Parser->ProcessBuffer(single_line,current);
- /*
- * look for the user's record in case it's changed... if theyve quit,
- * we cant do anything more with their buffer, so bail.
- * there used to be an ugly, slow loop here. Now we have a reference
- * table, life is much easier (and FASTER)
- */
- EventHandler* new_comp = this->SE->GetRef(currfd);
-
- if (new_comp != old_comp)
- return;
- }
-
- return;
- }
-
- if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
- {
- this->Log(DEBUG,"killing: %s",cu->nick);
- userrec::QuitUser(this,cu,strerror(errno));
- return;
+ // If the user has been quit in OnCheckReady then we shouldn't
+ // quit them again for having a registration timeout.
+ if (curr->quitting)
+ continue;
+ break;
}
- }
-
- // result EAGAIN means nothing read
- else if ((result == EAGAIN) || (result == -EAGAIN))
- {
- /* do nothing */
- }
- else if (result == 0)
- {
- this->Log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
- userrec::QuitUser(this,cu,"Client exited");
- this->Log(DEBUG,"Bailing from client exit");
- return;
- }
-}
-
-/**
- * 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. This function is
- * also responsible for checking if InspSocket derived classes are timed out.
- */
-void InspIRCd::DoBackgroundUserStuff(time_t TIME)
-{
- /* Is it time yet? */
- if (TIME < next_call)
- return;
-
- CullList GlobalGoners(this);
-
- /* Time we actually need to call this again */
- const time_t DUMMY_VALUE = 32768;
- next_call = TIME + DUMMY_VALUE;
- /* XXX: IT IS NOT SAFE TO USE AN ITERATOR HERE. DON'T EVEN THINK ABOUT IT. */
- for (unsigned long count2 = 0; count2 != this->local_users.size(); count2++)
- {
- if (count2 >= this->local_users.size())
- break;
-
- userrec* curr = this->local_users[count2];
-
- if (curr)
+ if (curr->registered != REG_ALL && curr->MyClass && (Time() > (curr->signon + curr->MyClass->GetRegTimeout())))
{
/*
* registration timeout -- didnt send USER/NICK/HOST
* in the time specified in their connection class.
*/
- if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != REG_ALL))
- {
- this->Log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
- //ZapThisDns(curr->fd);
- GlobalGoners.AddItem(curr,"Registration timeout");
- continue;
- }
- else
- {
- if ((curr->registered != REG_ALL) && (next_call > (time_t)curr->timeout))
- next_call = curr->timeout;
- }
-
- /*
- * user has signed on with USER/NICK/PASS, and dns has completed, all the modules
- * say this user is ok to proceed, fully connect them.
- */
- bool ready = AllModulesReportReady(curr);
- if ((TIME > curr->signon) && (curr->registered == REG_NICKUSER) && (ready))
- {
- curr->dns_done = true;
- //ZapThisDns(curr->fd);
- this->stats->statsDnsBad++;
- curr->FullConnect(&GlobalGoners);
- continue;
- }
- else
- {
- if ((curr->registered == REG_NICKUSER) && (ready) && (next_call > curr->signon))
- next_call = curr->signon;
- }
-
- if ((curr->dns_done) && (curr->registered == REG_NICKUSER) && (ready))
- {
- this->Log(DEBUG,"dns done, registered=3, and modules ready, OK");
- curr->FullConnect(&GlobalGoners);
- //ZapThisDns(curr->fd);
- continue;
- }
- else
- {
- if ((curr->registered == REG_NICKUSER) && (ready) && (next_call > curr->signon + this->Config->dns_timeout))
- next_call = curr->signon + this->Config->dns_timeout;
- }
-
- // It's time to PING this user. Send them a ping.
- if ((TIME > curr->nping) && (curr->registered == REG_ALL))
- {
- // This user didn't answer the last ping, remove them
- if (!curr->lastping)
- {
- /* Everybody loves boobies. */
- time_t time = this->Time() - (curr->nping - curr->pingmax);
- std::string boobies = "Ping timeout: " + ConvToStr(time) + " second" + (time > 1 ? "s" : "");
- GlobalGoners.AddItem(curr, boobies);
- curr->lastping = 1;
- curr->nping = TIME+curr->pingmax;
- continue;
- }
- curr->Write("PING :%s",this->Config->ServerName);
- curr->lastping = 0;
- curr->nping = TIME+curr->pingmax;
- }
- else
- {
- if ((curr->registered == REG_ALL) && (next_call > curr->nping))
- next_call = curr->nping;
- }
-
- /*
- * We can flush the write buffer as the last thing we do, because if they
- * match any of the above conditions its no use flushing their buffer anyway.
- */
-
- curr->FlushWriteBuf();
- if (*curr->GetWriteError())
- {
- GlobalGoners.AddItem(curr,curr->GetWriteError());
- continue;
- }
+ this->Users->QuitUser(curr, "Registration timeout");
+ continue;
}
-
}
-
- /* If theres nothing to do, trigger in the next second, something might come up */
- time_t delta = next_call - TIME;
- if (delta == DUMMY_VALUE)
- {
- next_call = TIME + 1;
- delta = 1;
- }
-
- this->Log(DEBUG,"Time now is %lu, next time we actually need to call this is %lu (%lu secs from now)", TIME, next_call, delta);
-
-
- /* Remove all the queued users who are due to be quit, free memory used. */
- GlobalGoners.Apply();
}
projects / user / henk / code / inspircd.git / blobdiff