* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2007 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! ;) */
-
-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 "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(userrec* current)
{
- int result = EAGAIN;
- if (cu->fd == FD_MAGIC_NUMBER)
+ 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");
+ 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);
+ }
+}
+
+void ProcessUserHandler::Call(userrec* cu)
+{
+ int result = EAGAIN;
+
+ if (cu->GetFd() == FD_MAGIC_NUMBER)
return;
- log(DEBUG,"Processing user with fd %d",cu->fd);
- if (Config->GetIOHook(cu->port))
+
+ char* ReadBuffer = Server->GetReadBuffer();
+
+ if (Server->Config->GetIOHook(cu->GetPort()))
{
- int result2 = 0;
+ int result2 = 0;
+ int MOD_RESULT = 0;
+
try
{
- int MOD_RESULT = Config->GetIOHook(cu->port)->OnRawSocketRead(cu->fd,data,65535,result2);
- log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
+ 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());
}
- catch (ModuleException modexcept)
- {
- log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
- }
+
if (MOD_RESULT < 0)
{
result = -EAGAIN;
}
else
{
- result = result2;
+ result = result2;
}
}
else
{
- result = cu->ReadData(data, 65535);
+ result = cu->ReadData(ReadBuffer, sizeof(ReadBuffer));
}
- 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)
+
+ 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.
+ */
+
+ 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->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 = "";
+ if (Server->Time() > current->reset_due)
+ {
+ current->reset_due = Server->Time() + current->threshold;
+ current->lines_in = 0;
}
- }
- else
- {
- WriteOpers("*** Excess flood from %s",(char*)inet_ntoa(current->ip4));
- log(DEFAULT,"Excess flood from: %s",(char*)inet_ntoa(current->ip4));
- add_zline(120,Config->ServerName,"Flood from unregistered connection",(char*)inet_ntoa(current->ip4));
- 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",(char*)inet_ntoa(current->ip4));
- log(DEFAULT,"Excess flood from: %s",(char*)inet_ntoa(current->ip4));
- add_zline(120,Config->ServerName,"Flood from unregistered connection",(char*)inet_ntoa(current->ip4));
- 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",(char*)inet_ntoa(current->ip4));
- 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;
- }
-}
-void DoSocketTimeouts(time_t TIME)
-{
- 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;
- }
+ 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;
+ }
+
+ if (++current->lines_in > current->flood && current->flood)
+ {
+ Server->FloodQuitUser(current);
+ return;
+ }
+
+ if ((++floodlines > current->flood) && (current->flood != 0))
+ {
+ Server->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 */
+
+ Server->Parser->ProcessBuffer(single_line, current);
+ }
+
+ return;
+ }
+
+ if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
+ {
+ 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. This function is
- * also responsible for checking if InspSocket derived classes are timed out.
+ * stuff like ping checks, registration timeouts, etc.
*/
-void DoBackgroundUserStuff(time_t TIME)
+void InspIRCd::DoBackgroundUserStuff(time_t TIME)
{
- 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;
-
- 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;
- }
+ /* 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;
+
+ 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 == 7))
- {
+ 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");
+ /* 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;
}
- Write(curr->fd,"PING :%s",Config->ServerName);
+ 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() != "")
+ else
{
- GlobalGoners->AddItem(curr,curr->GetWriteError());
- continue;
+ if ((curr->registered == REG_ALL) && (next_call > curr->nping))
+ next_call = curr->nping;
}
- }
- }
- /** Remove all the queued users who are due to be quit
- */
- GlobalGoners->Apply();
- /** Free to memory used
- */
- delete GlobalGoners;
- return;
-}
+ }
-void OpenLog(char** argv, int argc)
-{
- if (Config->logpath == "")
- {
- Config->logpath = GetFullProgDir(argv,argc) + "/ircd.log";
+ /* 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;
+ }
}
- 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);
- }
}
-
-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(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);
-}
-
-