* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-/* Now with added unF! ;) */
+/* $Core */
-using namespace std;
-
-#include "inspircd_config.h"
-#include "configreader.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#include <ext/hash_map>
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
-#include "mode.h"
-#include "commands.h"
+#include "inspircd.h"
#include "xline.h"
-#include "inspstring.h"
-
-#include "hashcomp.h"
#include "socketengine.h"
-#include "userprocess.h"
-#include "inspircd.h"
-#include "typedefs.h"
#include "command_parse.h"
-#include "cull_list.h"
-void InspIRCd::ProcessUser(userrec* cu)
+void FloodQuitUserHandler::Call(User* current)
{
- int result = EAGAIN;
+ 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 (cu->fd == FD_MAGIC_NUMBER)
- return;
-
- this->Log(DEBUG,"Processing user with fd %d",cu->fd);
-
- 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->fd,ReadBuffer,sizeof(ReadBuffer),result2);
- this->Log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
- }
- 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;
- }
+ delete zl;
}
- else
- {
- result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer));
- }
-
- 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..
+ */
+ std::vector<User*>::reverse_iterator count2 = this->Users->local_users.rbegin();
+ while (count2 != this->Users->local_users.rend())
{
- userrec *current;
- int currfd;
- int floodlines = 0;
+ User *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->Penalty)
{
- if (ReadBuffer[checker] == 0)
- ReadBuffer[checker] = ' ';
+ curr->Penalty--;
+ curr->OnDataReady();
}
- if (result > 0)
- ReadBuffer[result] = '\0';
-
- current = cu;
- currfd = current->fd;
-
- // add the data to the users buffer
- if (result > 0)
+ if (curr->getSendQSize() == 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->lines_in > current->flood)
- {
- this->Log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- this->WriteOpers("*** 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 = "";
- }
- }
- else
- {
- this->WriteOpers("*** Excess flood from %s",current->GetIPString());
- this->Log(DEFAULT,"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->Log(DEFAULT,"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);
- WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- userrec::QuitUser(this, current,"Excess flood");
- return;
- }
+ FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(curr));
+ }
- if ((++floodlines > current->flood) && (current->flood != 0))
+ switch (curr->registered)
+ {
+ case REG_ALL:
+ if (TIME > curr->nping)
{
- if (current->registered == REG_ALL)
- {
- this->Log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- userrec::QuitUser(this, current,"Excess flood");
- }
- else
+ // This user didn't answer the last ping, remove them
+ if (!curr->lastping)
{
- XLines->add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
- XLines->apply_lines(APPLY_ZLINES);
+ 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;
}
- return;
+ curr->Write("PING :%s",this->Config->ServerName);
+ curr->lastping = 0;
+ curr->nping = TIME +curr->MyClass->GetPingTime();
}
-
- // 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);
-
- userrec* old_comp = this->fd_ref_table[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)
- */
- userrec* new_comp = this->fd_ref_table[currfd];
- if ((currfd < 0) || (!this->fd_ref_table[currfd]) || (old_comp != new_comp))
+ break;
+ case REG_NICKUSER:
+ if (AllModulesReportReady(curr) && curr->dns_done)
{
- return;
- }
- else
- {
- /* The user is still here, flush their buffer */
- current->FlushWriteBuf();
+ /* User has sent NICK/USER, modules are okay, DNS finished. */
+ curr->FullConnect();
+ continue;
}
- }
-
- return;
- }
-
- if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
- {
- this->Log(DEBUG,"killing: %s",cu->nick);
- userrec::QuitUser(this,cu,strerror(errno));
- return;
+ 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;
- }
-}
-
-void InspIRCd::DoSocketTimeouts(time_t TIME)
-{
- unsigned int numsockets = this->module_sockets.size();
- SocketEngine* SE = this->SE;
-
- for (std::vector<InspSocket*>::iterator a = this->module_sockets.begin(); a < this->module_sockets.end(); a++)
- {
- InspSocket* s = (InspSocket*)*a;
- if ((s) && (s->GetFd() >= 0) && (s->GetFd() < MAX_DESCRIPTORS) && (this->socket_ref[s->GetFd()] != NULL) && (s->Timeout(TIME)))
- {
- this->Log(DEBUG,"userprocess.cpp: Socket poll returned false, close and bail");
- this->socket_ref[s->GetFd()] = NULL;
- SE->DelFd(s->GetFd());
- this->module_sockets.erase(a);
- s->Close();
- DELETE(s);
- break;
- }
-
- if (this->module_sockets.size() != numsockets)
- break;
- }
-}
-
-/**
- * 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)
-{
- CullList GlobalGoners(this);
-
- /* 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 && (TIME > (curr->age + 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;
- }
- /*
- * 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.
- */
- if ((TIME > curr->signon) && (curr->registered == REG_NICKUSER) && (AllModulesReportReady(curr)))
- {
- curr->dns_done = true;
- //ZapThisDns(curr->fd);
- this->stats->statsDnsBad++;
- curr->FullConnect(&GlobalGoners);
- continue;
- }
- if ((curr->dns_done) && (curr->registered == REG_NICKUSER) && (AllModulesReportReady(curr)))
- {
- this->Log(DEBUG,"dns done, registered=3, and modules ready, OK");
- curr->FullConnect(&GlobalGoners);
- //ZapThisDns(curr->fd);
- continue;
- }
- // 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)
- {
- GlobalGoners.AddItem(curr,"Ping timeout");
- curr->lastping = 1;
- curr->nping = TIME+curr->pingmax;
- continue;
- }
- curr->Write("PING :%s",this->Config->ServerName);
- curr->lastping = 0;
- curr->nping = TIME+curr->pingmax;
- }
-
- /*
- * 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;
}
-
}
-
-
- /* Remove all the queued users who are due to be quit, free memory used. */
- GlobalGoners.Apply();
}
+
projects / user / henk / code / inspircd.git / blobdiff