-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * 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>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
-/* Now with added unF! ;) */
-using namespace std;
+/* $Core */
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include <sched.h>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#endif
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
-#include "message.h"
-#include "mode.h"
-#include "commands.h"
#include "xline.h"
-#include "inspstring.h"
-#include "dnsqueue.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
#include "socketengine.h"
-#include "userprocess.h"
-#include "typedefs.h"
#include "command_parse.h"
-#include "cull_list.h"
-
-extern int MODCOUNT;
-extern struct sockaddr_in client,server;
-extern socklen_t length;
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern time_t TIME;
-extern time_t OLDTIME;
-extern std::vector<userrec*> local_users;
-
-extern InspIRCd* ServerInstance;
-extern ServerConfig *Config;
-extern userrec* fd_ref_table[MAX_DESCRIPTORS];
-char data[65536];
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
-void ProcessUser(userrec* cu)
+void FloodQuitUserHandler::Call(User* current)
{
- int result = EAGAIN;
- if (cu->fd == FD_MAGIC_NUMBER)
- return;
- log(DEBUG,"Processing user with fd %d",cu->fd);
- if (Config->GetIOHook(cu->port))
+ 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)
{
- int result2 = 0;
- int MOD_RESULT = Config->GetIOHook(cu->port)->OnRawSocketRead(cu->fd,data,65535,result2);
- log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
- 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(data, 65535);
- }
- log(DEBUG,"Read result: %d",result);
- if ((result) && (result != -EAGAIN))
- {
- ServerInstance->stats->statsRecv += result;
- // perform a check on the raw buffer as an array (not a string!) to remove
- // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
- // hopefully this should stop even more people whining about "Unknown command: *"
- for (int checker = 0; checker < result; checker++)
- {
- if ((data[checker] == 0) || (data[checker] == 7))
- data[checker] = ' ';
- }
- if (result > 0)
- data[result] = '\0';
- userrec* current = cu;
- int currfd = current->fd;
- int floodlines = 0;
- // add the data to the users buffer
- if (result > 0)
- {
- if (!current->AddBuffer(data))
- {
- // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
- if (current->registered == 7)
- {
- // 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)
- {
- 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);
- kill_link(current,"Excess flood");
- return;
- } else {
- WriteServ(currfd, "NOTICE %s :Your previous line was too long and was not delivered (Over 512chars) Please shorten it.", current->nick);
- current->recvq = "";
- }
- }
- else
- {
- WriteOpers("*** Excess flood from %s",current->ip);
- log(DEFAULT,"Excess flood from: %s",current->ip);
- add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
- apply_lines(APPLY_ZLINES);
- }
- return;
- }
- if (current->recvq.length() > (unsigned)Config->NetBufferSize)
- {
- if (current->registered == 7)
- {
- kill_link(current,"RecvQ exceeded");
- }
- else
- {
- WriteOpers("*** Excess flood from %s",current->ip);
- log(DEFAULT,"Excess flood from: %s",current->ip);
- add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
- apply_lines(APPLY_ZLINES);
- }
- return;
- }
- // while there are complete lines to process...
- while (current->BufferIsReady())
- {
- floodlines++;
- if (TIME > current->reset_due)
- {
- current->reset_due = TIME + current->threshold;
- current->lines_in = 0;
- }
- current->lines_in++;
- if (current->lines_in > current->flood)
- {
- 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);
- kill_link(current,"Excess flood");
- return;
- }
- if ((floodlines > current->flood) && (current->flood != 0))
- {
- if (current->registered == 7)
- {
- 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);
- kill_link(current,"Excess flood");
- }
- else
- {
- add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
- apply_lines(APPLY_ZLINES);
- }
- return;
- }
- char sanitized[MAXBUF];
- // 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)
- {
- 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);
- kill_link(current,"Excess flood");
- return;
- }
- strlcpy(sanitized,single_line.c_str(),MAXBUF);
- if (*sanitized)
- {
- userrec* old_comp = fd_ref_table[currfd];
- // we're gonna re-scan to check if the nick is gone, after every
- // command - if it has, we're gonna bail
- ServerInstance->Parser->ProcessBuffer(sanitized,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 = fd_ref_table[currfd];
- if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
- {
- return;
- }
- else
- {
- /* The user is still here, flush their buffer */
- current->FlushWriteBuf();
- }
- }
- }
- return;
- }
- if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
- {
- log(DEBUG,"killing: %s",cu->nick);
- kill_link(cu,strerror(errno));
- return;
- }
- }
- // result EAGAIN means nothing read
- else if ((result == EAGAIN) || (result == -EAGAIN))
- {
- }
- else if (result == 0)
- {
- log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
- kill_link(cu,"Client exited");
- 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.
- * The function returns false when it is finished, and true if
- * it needs to be run again (e.g. it has processed one of a batch of
- * QUIT messages, but couldnt continue iterating because the iterator
- * became invalid). This function is also responsible for checking
- * if InspSocket derived classes are timed out.
*/
-bool DoBackgroundUserStuff(time_t TIME)
+void InspIRCd::DoBackgroundUserStuff()
{
- unsigned int numsockets = module_sockets.size();
- SocketEngine* SE = ServerInstance->SE;
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
- {
- InspSocket* s = (InspSocket*)*a;
- if (s->Timeout(TIME))
- {
- log(DEBUG,"Socket poll returned false, close and bail");
- SE->DelFd(s->GetFd());
- s->Close();
- module_sockets.erase(a);
- delete s;
- break;
- }
- if (module_sockets.size() != numsockets) break;
- }
- CullList* GlobalGoners = new CullList();
- for (std::vector<userrec*>::iterator count2 = local_users.begin(); count2 != local_users.end(); count2++)
- {
- /* Sanity checks for corrupted iterators (yes, really) */
- userrec* curr = NULL;
- if (*count2)
- curr = (userrec*)(*count2);
- if ((long)curr == -1)
- return false;
-
- if (curr)
- {
- // registration timeout -- didnt send USER/NICK/HOST in the time specified in
- // their connection class.
- if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
- {
- log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
- 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 == 3) && (AllModulesReportReady(curr)))
- {
- curr->dns_done = true;
- ServerInstance->stats->statsDnsBad++;
- FullConnectUser(curr,GlobalGoners);
- continue;
- }
- if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
- {
- log(DEBUG,"dns done, registered=3, and modules ready, OK");
- FullConnectUser(curr,GlobalGoners);
- continue;
- }
- // It's time to PING this user. Send them a ping.
- // XXX: We were checking isnick() here -- why when we check curr->registered? - Brain
- if ((TIME > curr->nping) && (curr->registered == 7))
- {
- // This user didn't answer the last ping, remove them
- if (!curr->lastping)
- {
- GlobalGoners->AddItem(curr,"Ping timeout");
- continue;
- }
- Write(curr->fd,"PING :%s",Config->ServerName);
- curr->lastping = 0;
- curr->nping = TIME+curr->pingmax;
- }
- // XXX: 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;
- }
- }
- }
- /** Remove all the queued users who are due to be quit
- */
- GlobalGoners->Apply();
- /** Free to memory used
+ /*
+ * loop over all local users..
*/
- delete GlobalGoners;
- /** XXX: The old system prior to 1.0RC2 would call this function
- * repeatedly until everything was ship-shape, however now we are
- * using CullList to avoid bailing from the loop, so this is no
- * longer required. We always return false here so this only executes
- * once. At some future date the while loop may be removed from
- * the mainloop which calls this function.
- */
- return false;
-}
-
-void OpenLog(char** argv, int argc)
-{
- if (Config->logpath == "")
+ LocalUserList::reverse_iterator count2 = this->Users->local_users.rbegin();
+ while (count2 != this->Users->local_users.rend())
{
- Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log";
- }
- Config->log_file = fopen(Config->logpath.c_str(),"a+");
- if (!Config->log_file)
- {
- printf("ERROR: Could not write to logfile %s, bailing!\n\n",Config->logpath.c_str());
- Exit(ERROR);
- }
-}
+ LocalUser *curr = *count2;
+ count2++;
+ if (curr->quitting)
+ continue;
-void CheckRoot()
-{
- if (geteuid() == 0)
- {
- printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
- log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
- Exit(ERROR);
- }
-}
+ 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;
+ }
-void CheckDie()
-{
- if (*Config->DieValue)
- {
- printf("WARNING: %s\n\n",Config->DieValue);
- log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",Config->DieValue);
- exit(0);
- }
-}
+ 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;
+ }
-void LoadAllModules(InspIRCd* ServerInstance)
-{
- /* We must load the modules AFTER initializing the socket engine, now */
- MODCOUNT = -1;
- char configToken[MAXBUF];
- for (int count = 0; count < Config->ConfValueEnum("module",&Config->config_f); count++)
- {
- Config->ConfValue("module","name",count,configToken,&Config->config_f);
- printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
- if (!ServerInstance->LoadModule(configToken))
- {
- log(DEFAULT,"Exiting due to a module loader error.");
- printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ServerInstance->ModuleError());
- Exit(0);
- }
- }
- log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
-}
+ // 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 (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.
+ */
+ this->Users->QuitUser(curr, "Registration timeout");
+ continue;
+ }
+ }
+}
projects / user / henk / code / inspircd.git / blobdiff