* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/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: libIRCDuserprocess */
-using namespace std;
-
-#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 "typedefs.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 SocketEngine* SE;
-extern serverstats* stats;
-extern ServerConfig *Config;
+#include "command_parse.h"
-extern userrec* fd_ref_table[65536];
-char data[65536];
-
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
-void ProcessUser(userrec* cu)
+void FloodQuitUserHandler::Call(User* current)
{
- int result = EAGAIN;
- log(DEBUG,"Processing user with fd %d",cu->fd);
- int MOD_RESULT = 0;
- int result2 = 0;
- FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
- if (!MOD_RESULT)
- {
- result = cu->ReadData(data, 65535);
- }
- else
- {
- log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
- result = result2;
- }
- log(DEBUG,"Read result: %d",result);
- if (result)
- {
- 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)
- {
- 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;
- }
- 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
- process_buffer(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)
- {
- }
- else if (result == 0)
- {
- log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
- kill_link(cu,"Client exited");
- log(DEBUG,"Bailing from client exit");
- return;
- }
+ Server->Logs->Log("USERS",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");
+
+ if (current->registered != REG_ALL)
+ {
+ ZLine* zl = new ZLine(Server, Server->Time(), 0, Server->Config->ServerName, "Flood from unregistered connection", current->GetIPString());
+ if (Server->XLines->AddLine(zl,NULL))
+ Server->XLines->ApplyLines();
+ else
+ delete zl;
+ }
}
+void ProcessUserHandler::Call(User* cu)
+{
+ 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,Server->Config->NetBufferSize,result2);
+ }
+ catch (CoreException& modexcept)
+ {
+ Server->Logs->Log("USERS",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))
+ {
+ User *current;
+ int currfd;
+
+ 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] = ' ';
+ }
+
+ 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)
+ {
+ if (current->MyClass)
+ {
+ // Make sure they arn't flooding long lines.
+ if (Server->Time() > current->reset_due)
+ {
+ current->reset_due = Server->Time() + current->MyClass->GetThreshold();
+ current->lines_in = 0;
+ }
+
+ current->lines_in++;
+
+ if (current->MyClass->GetFlood() && current->lines_in > current->MyClass->GetFlood())
+ 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;
+ }
+
+ /* If user is over penalty, dont process here, just build up */
+ if (!current->OverPenalty)
+ Server->Parser->DoLines(current);
+
+ return;
+ }
+
+ if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
+ {
+ 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.
- * 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)
-{
- unsigned int numsockets = module_sockets.size();
- 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;
- }
- /* TODO: We need a seperate hash containing only local users for this
- */
- 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) && (curr->fd != 0)) /* XXX - why are we checking fd != 0? --w00t */
- {
- int currfd = curr->fd;
- // we don't check the state of remote users.
- if (IS_LOCAL(curr))
- {
- curr->FlushWriteBuf();
- if (curr->GetWriteError() != "")
- {
- log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
- kill_link(curr,curr->GetWriteError().c_str());
- return true;
- }
- // 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);
- kill_link(curr,"Registration timeout");
- return true;
- }
- if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
- {
- log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
- curr->dns_done = true;
- stats->statsDnsBad++;
- FullConnectUser(curr);
- if (fd_ref_table[currfd] != curr) // something changed, bail pronto
- return true;
- }
- if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
- {
- log(DEBUG,"dns done, registered=3, and modules ready, OK");
- FullConnectUser(curr);
- if (fd_ref_table[currfd] != curr) // something changed, bail pronto
- return true;
- }
- if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
- {
- if ((!curr->lastping) && (curr->registered == 7))
- {
- log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
- kill_link(curr,"Ping timeout");
- return true;
- }
- Write(curr->fd,"PING :%s",Config->ServerName);
- log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
- curr->lastping = 0;
- curr->nping = TIME+curr->pingmax; // was hard coded to 120
- }
- }
- }
- }
- return false;
-}
-
-void OpenLog(char** argv, int argc)
+void InspIRCd::DoBackgroundUserStuff()
{
- std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
- Config->log_file = fopen(logpath.c_str(),"a+");
- if (!Config->log_file)
- {
- printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
- Exit(ERROR);
- }
-#ifdef IS_CYGWIN
- printf("Logging to ircd.log...\n");
-#else
- printf("Logging to %s...\n",logpath.c_str());
-#endif
+ /*
+ * loop over all local users..
+ */
+ for (std::vector<User*>::iterator count2 = this->Users->local_users.begin(); count2 != this->Users->local_users.end(); count2++)
+ {
+ User *curr = *count2;
+
+ if (curr->Penalty)
+ {
+ curr->Penalty--;
+ if (curr->Penalty < 10)
+ Parser->DoLines(curr, true);
+ }
+
+ if (curr->OverPenalty)
+ {
+ if (curr->sendq.empty())
+ curr->OverPenalty = false;
+ }
+
+ if ((curr->registered != REG_ALL) && (TIME > curr->timeout))
+ {
+ /*
+ * registration timeout -- didnt send USER/NICK/HOST
+ * in the time specified in their connection class.
+ */
+ User::QuitUser(this, curr, "Registration timeout");
+ continue;
+ }
+
+ /*
+ * `ready` means that the user has provided NICK/USER(/PASS), and all modules agree
+ * that the user is okay to proceed. The one thing we are then waiting for now is DNS...
+ */
+ bool ready = ((curr->registered == REG_NICKUSER) && AllModulesReportReady(curr));
+
+ if (ready)
+ {
+ if (curr->dns_done)
+ {
+ /* DNS passed, connect the user */
+ curr->FullConnect();
+ 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)
+ {
+ 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();
+ User::QuitUser(this, curr, message);
+ continue;
+ }
+ curr->Write("PING :%s",this->Config->ServerName);
+ curr->lastping = 0;
+ curr->nping = TIME +curr->MyClass->GetPingTime();
+ }
+ }
}
-
-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);
- }
-}
-
-
-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);
- }
-}
-
-void LoadAllModules()
-{
- /* 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);
-}
-
-
projects / user / henk / code / inspircd.git / blobdiff