X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fuserprocess.cpp;h=382f4ffa0bf2cf6ce5d92e2d1bf6eb045a459e45;hb=551d687ec6d7ce44be35fae0dd7345fe73c4f63a;hp=c2b2f0b83b521c1fd65173bbd7fa0e00791d9e19;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/userprocess.cpp b/src/userprocess.cpp index c2b2f0b83..382f4ffa0 100644 --- a/src/userprocess.cpp +++ b/src/userprocess.cpp @@ -1 +1,103 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * InspIRCd: (C) 2002-2007 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "configreader.h" #include "users.h" #include "modules.h" #include "wildcard.h" #include "xline.h" #include "socketengine.h" #include "command_parse.h" void InspIRCd::FloodQuitUser(userrec* current) { this->Log(DEFAULT,"Excess flood from: %s@%s", current->ident, current->host); this->SNO->WriteToSnoMask('f',"Excess flood from: %s%s%s@%s", current->registered == REG_ALL ? current->nick : "", current->registered == REG_ALL ? "!" : "", current->ident, current->host); current->SetWriteError("Excess flood"); if (current->registered != REG_ALL) { XLines->add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString()); XLines->apply_lines(APPLY_ZLINES); } } void InspIRCd::ProcessUser(userrec* cu) { int result = EAGAIN; if (cu->GetFd() == FD_MAGIC_NUMBER) return; if (this->Config->GetIOHook(cu->GetPort())) { int result2 = 0; int MOD_RESULT = 0; try { MOD_RESULT = this->Config->GetIOHook(cu->GetPort())->OnRawSocketRead(cu->GetFd(),ReadBuffer,sizeof(ReadBuffer),result2); } catch (CoreException& modexcept) { this->Log(DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); } if (MOD_RESULT < 0) { result = -EAGAIN; } else { result = result2; } } else { result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer)); } if ((result) && (result != -EAGAIN)) { userrec *current; int currfd; int floodlines = 0; 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 */ for (int checker = 0; checker < result; checker++) { if (ReadBuffer[checker] == 0) ReadBuffer[checker] = ' '; } if (result > 0) ReadBuffer[result] = '\0'; current = cu; currfd = current->GetFd(); // add the data to the users buffer if (result > 0) { 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) { // Make sure they arn't flooding long lines. if (TIME > current->reset_due) { current->reset_due = TIME + current->threshold; current->lines_in = 0; } current->lines_in++; if (current->flood && current->lines_in > current->flood) FloodQuitUser(current); else { 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(); } } else FloodQuitUser(current); 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 && current->flood) { FloodQuitUser(current); return; } if ((++floodlines > current->flood) && (current->flood != 0)) { FloodQuitUser(current); return; } // 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 */ 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)) { cu->SetWriteError(strerror(errno)); return; } } // result EAGAIN means nothing read else if ((result == EAGAIN) || (result == -EAGAIN)) { /* do nothing */ } else if (result == 0) { cu->SetWriteError("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; /* 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) { /* * 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; GlobalCulls.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)) { 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", time, time > 1 ? "s" : ""); curr->muted = true; GlobalCulls.AddItem(curr, message); 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; } } } /* 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; } } } \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * 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 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 "xline.h" +#include "socketengine.h" +#include "command_parse.h" + +/** + * 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()) + { + LocalUser *curr = *count2; + count2++; + + if (curr->quitting) + continue; + + if (curr->CommandFloodPenalty || curr->eh.getSendQSize()) + { + unsigned int rate = curr->MyClass->GetCommandRate(); + if (curr->CommandFloodPenalty > rate) + curr->CommandFloodPenalty -= rate; + else + curr->CommandFloodPenalty = 0; + curr->eh.OnDataReady(); + } + + switch (curr->registered) + { + case REG_ALL: + if (Time() > curr->nping) + { + // This user didn't answer the last ping, remove them + if (!curr->lastping) + { + 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; + } + + curr->Write("PING :%s",this->Config->ServerName.c_str()); + curr->lastping = 0; + curr->nping = Time() +curr->MyClass->GetPingTime(); + } + break; + case REG_NICKUSER: + if (AllModulesReportReady(curr) && curr->dns_done) + { + /* User has sent NICK/USER, modules are okay, DNS finished. */ + curr->FullConnect(); + continue; + } + break; + } + + if (curr->registered != REG_ALL && (Time() > (curr->age + curr->MyClass->GetRegTimeout()))) + { + /* + * registration timeout -- didnt send USER/NICK/HOST + * in the time specified in their connection class. + */ + this->Users->QuitUser(curr, "Registration timeout"); + continue; + } + } +} +