]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/userprocess.cpp
Merge pull request #1162 from SaberUK/insp20+fix-deinstall
[user/henk/code/inspircd.git] / src / userprocess.cpp
index 818713f899a680ebc26e7043cef518d69ccf7a67..69c31f8400898caacd9d2b1f01090aa1ac4f9f82 100644 (file)
-/*       +------------------------------------+
- *       | 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 <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>
  *
- * 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 "configreader.h"
-#include "users.h"
-#include "modules.h"
-#include "wildcard.h"
 #include "xline.h"
 #include "socketengine.h"
 #include "command_parse.h"
 
-void FloodQuitUserHandler::Call(userrec* current)
+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);
-       userrec::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(userrec* 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()))
-       {
-               int result2 = 0;
-               int MOD_RESULT = 0;
-
-               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 (MOD_RESULT < 0)
-               {
-                       result = -EAGAIN;
-               }
-               else
-               {
-                       result = result2;
-               }
-       }
-       else
+       /*
+        * loop over all local users..
+        */
+       LocalUserList::reverse_iterator count2 = this->Users->local_users.rbegin();
+       while (count2 != this->Users->local_users.rend())
        {
-               result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer));
-       }
+               LocalUser *curr = *count2;
+               count2++;
 
-       if ((result) && (result != -EAGAIN))
-       {
-               userrec *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.
-                */
+               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 (Server->Time() > current->reset_due)
+                                       // This user didn't answer the last ping, remove them
+                                       if (!curr->lastping)
                                        {
-                                               current->reset_due = Server->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->flood && current->lines_in > current->flood)
-                                               Server->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
-                                       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;
+                                       curr->Write("PING :%s",this->Config->ServerName.c_str());
+                                       curr->lastping = 0;
+                                       curr->nping = Time()  +curr->MyClass->GetPingTime();
                                }
-
-                               if (++current->lines_in > current->flood && current->flood)
+                               break;
+                       case REG_NICKUSER:
+                               if (AllModulesReportReady(curr) && curr->dns_done)
                                {
-                                       Server->FloodQuitUser(current);
-                                       return;
-                               }
-
-                               if ((++floodlines > current->flood) && (current->flood != 0))
-                               {
-                                       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())))
                {
-                       userrec::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)
-       {
-               userrec::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;
-
-               /* XXX: IT IS NOT SAFE TO USE AN ITERATOR HERE. DON'T EVEN THINK ABOUT IT. */
-               for (std::vector<userrec*>::iterator count2 = local_users.begin(); count2 != local_users.end(); ++count2)
-               {
-                       userrec* 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;
-                               userrec::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;
-                                       userrec::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;
                }
        }
 }
+