X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fuserprocess.cpp;h=69c31f8400898caacd9d2b1f01090aa1ac4f9f82;hb=4c751dbbe8945e5efc230a59b0ed51c2ba10cf92;hp=76a66e4a0a36f8191af4a79d03814001fdd35dc7;hpb=1aaee19ee96eef97eb75bfaaf4cf38db74d0dc6c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/userprocess.cpp b/src/userprocess.cpp index 76a66e4a0..69c31f840 100644 --- a/src/userprocess.cpp +++ b/src/userprocess.cpp @@ -1,364 +1,126 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2005-2007 Craig Edwards + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006 Craig McLure * - * 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 . */ -/* 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 "userprocess.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(); }