X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fuserprocess.cpp;h=69c31f8400898caacd9d2b1f01090aa1ac4f9f82;hb=4c751dbbe8945e5efc230a59b0ed51c2ba10cf92;hp=469fa61d0a467e6fcc0ad2c734a9ceacb3b99f94;hpb=b57c7f4e466f72fdd2ac3deca42caa1ea7748338;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/userprocess.cpp b/src/userprocess.cpp index 469fa61d0..69c31f840 100644 --- a/src/userprocess.cpp +++ b/src/userprocess.cpp @@ -1,282 +1,125 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * 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 * - * 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 . */ + +/* $Core */ + #include "inspircd.h" -#include "wildcard.h" #include "xline.h" #include "socketengine.h" #include "command_parse.h" void FloodQuitUserHandler::Call(User* current) { - Server->Log(DEFAULT,"Excess flood from: %s@%s", current->ident, current->host); - Server->SNO->WriteToSnoMask('f',"Excess flood from: %s%s%s@%s", - current->registered == REG_ALL ? current->nick : "", - current->registered == REG_ALL ? "!" : "", current->ident, current->host); - User::QuitUser(Server, current, "Excess flood"); + 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 (current->registered != REG_ALL) { - Server->XLines->add_zline(120, Server->Config->ServerName, "Flood from unregistered connection", current->GetIPString()); - Server->XLines->apply_lines(APPLY_ZLINES); + 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 + delete zl; } } -void ProcessUserHandler::Call(User* cu) +/** + * 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() { - int result = EAGAIN; - - if (cu->GetFd() == FD_MAGIC_NUMBER) - return; - - char* ReadBuffer = Server->GetReadBuffer(); - - if (Server->Config->GetIOHook(cu->GetPort())) + /* + * loop over all local users.. + */ + LocalUserList::reverse_iterator count2 = this->Users->local_users.rbegin(); + while (count2 != this->Users->local_users.rend()) { - int result2 = 0; - int MOD_RESULT = 0; + LocalUser *curr = *count2; + count2++; - try - { - MOD_RESULT = Server->Config->GetIOHook(cu->GetPort())->OnRawSocketRead(cu->GetFd(),ReadBuffer,sizeof(ReadBuffer),result2); - } - catch (CoreException& modexcept) - { - Server->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - } + if (curr->quitting) + continue; - if (MOD_RESULT < 0) + if (curr->CommandFloodPenalty || curr->eh.getSendQSize()) { - result = -EAGAIN; - } - else - { - result = result2; - } - } - else - { - result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer)); - } - - if ((result) && (result != -EAGAIN)) - { - User *current; - int currfd; - int floodlines = 0; - - Server->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. - */ - - for (int checker = 0; checker < result; checker++) - { - 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 (Server->Time() > current->reset_due) - { - current->reset_due = Server->Time() + current->threshold; - current->lines_in = 0; - } - - current->lines_in++; - - if (current->flood && current->lines_in > current->flood) - Server->FloodQuitUser(current); - else + // This user didn't answer the last ping, remove them + if (!curr->lastping) { - current->WriteServ("NOTICE %s :Your previous line was too long and was not delivered (Over %d chars) Please shorten it.", current->nick, MAXBUF-2); - current->recvq.clear(); + 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; } - } - else - Server->FloodQuitUser(current); - - return; - } - - // while there are complete lines to process... - while (current->BufferIsReady()) - { - if (Server->Time() > current->reset_due) - { - current->reset_due = Server->Time() + current->threshold; - current->lines_in = 0; - } - if (++current->lines_in > current->flood && current->flood) - { - Server->FloodQuitUser(current); - return; + curr->Write("PING :%s",this->Config->ServerName.c_str()); + curr->lastping = 0; + curr->nping = Time() +curr->MyClass->GetPingTime(); } - - if ((++floodlines > current->flood) && (current->flood != 0)) + break; + case REG_NICKUSER: + if (AllModulesReportReady(curr) && curr->dns_done) { - Server->FloodQuitUser(current); - 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() > MAXBUF - 2) /* MAXBUF is 514 to allow for neccessary line terminators */ - single_line.resize(MAXBUF - 2); /* So to trim to 512 here, we use MAXBUF - 2 */ - - Server->Parser->ProcessBuffer(single_line, current); - } - - 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; } - if ((result == -1) && (errno != EAGAIN) && (errno != EINTR)) + if (curr->registered != REG_ALL && curr->MyClass && (Time() > (curr->signon + curr->MyClass->GetRegTimeout()))) { - User::QuitUser(Server, cu, errno ? strerror(errno) : "EOF from client"); - return; - } - } - - // result EAGAIN means nothing read - else if ((result == EAGAIN) || (result == -EAGAIN)) - { - /* do nothing */ - } - else if (result == 0) - { - User::QuitUser(Server, cu, "Connection closed"); - 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. - */ -void InspIRCd::DoBackgroundUserStuff(time_t TIME) -{ - /* Is it time yet? */ - if (TIME < next_call) - return; - else - { - /* Time we actually need to call this again */ - const time_t DUMMY_VALUE = 32768; - next_call = TIME + DUMMY_VALUE; - - for (std::vector::iterator count2 = local_users.begin(); count2 != local_users.end(); count2++) - { - User* curr = *count2; - /* * registration timeout -- didnt send USER/NICK/HOST * in the time specified in their connection class. */ - if ((TIME > curr->timeout) && (curr->registered != REG_ALL)) - { - curr->muted = true; - User::QuitUser(this, 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)) - { - if (!curr->dns_done) - { - curr->WriteServ("NOTICE Auth :*** Could not resolve your hostname: Request timed out; using your IP address (%s) instead.", curr->GetIPString()); - curr->dns_done = true; - } - this->stats->statsDnsBad++; - curr->FullConnect(); - 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)) - { - curr->FullConnect(); - 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(false) - (curr->nping - curr->pingmax); - char message[MAXBUF]; - snprintf(message, MAXBUF, "Ping timeout: %ld second%s", (long)time, time > 1 ? "s" : ""); - curr->muted = true; - curr->lastping = 1; - curr->nping = TIME+curr->pingmax; - User::QuitUser(this, curr, message); - 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; - } - } - - /* 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->Users->QuitUser(curr, "Registration timeout"); + continue; } } }