-/* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#ifndef __INSPIRCD_H__
\r#define __INSPIRCD_H__
\r\r#ifndef WIN32
\r#define DllExport
\r#define CoreExport
\r#define printf_c printf
\r#else
\r#include "inspircd_win32wrapper.h"
\r/** Windows defines these already */
\r#undef DELETE
\r#undef ERROR
\r#endif
\r\r#include <time.h>
\r#include <string>
\r#include <sstream>
\r#include "inspircd_config.h"
\r#include "users.h"
\r#include "channels.h"
\r#include "socket.h"
\r#include "mode.h"
\r#include "socketengine.h"
\r#include "command_parse.h"
\r#include "snomasks.h"
\r#include "cull_list.h"
\r\r/** Returned by some functions to indicate failure.
\r */
\r#define ERROR -1
\r\r/** Support for librodent -
\r * see http://www.chatspike.net/index.php?z=64
\r */
\r#define ETIREDHAMSTERS EAGAIN
\r\r/** Debug levels for use with InspIRCd::Log()
\r */
\renum DebugLevel
\r{
\r DEBUG = 10,
\r VERBOSE = 20,
\r DEFAULT = 30,
\r SPARSE = 40,
\r NONE = 50
\r};
\r\r/**
\r * This define is used in place of strcmp when we
\r * want to check if a char* string contains only one
\r * letter. Pretty fast, its just two compares and an
\r * addition.
\r */
\r#define IS_SINGLE(x,y) ( (*x == y) && (*(x+1) == 0) )
\r\r/** Delete a pointer, and NULL its value
\r */
\rtemplate<typename T> inline void DELETE(T* x)
\r{
\r delete x;
\r x = NULL;
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rtemplate<typename T> inline std::string ConvNumeric(const T &in)
\r{
\r if (in == 0) return "0";
\r char res[MAXBUF];
\r char* out = res;
\r T quotient = in;
\r while (quotient) {
\r *out = "0123456789"[ std::abs( (long)quotient % 10 ) ];
\r ++out;
\r quotient /= 10;
\r }
\r if ( in < 0)
\r *out++ = '-';
\r *out = 0;
\r std::reverse(res,out);
\r return res;
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(const int in)
\r{
\r return ConvNumeric(in);
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(const long in)
\r{
\r return ConvNumeric(in);
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(const unsigned long in)
\r{
\r return ConvNumeric(in);
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(const char* in)
\r{
\r return in;
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(const bool in)
\r{
\r return (in ? "1" : "0");
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rinline std::string ConvToStr(char in)
\r{
\r return std::string(in,1);
\r}
\r\r/** Template function to convert any input type to std::string
\r */
\rtemplate <class T> inline std::string ConvToStr(const T &in)
\r{
\r std::stringstream tmp;
\r if (!(tmp << in)) return std::string();
\r return tmp.str();
\r}
\r\r/** Template function to convert any input type to any other type
\r * (usually an integer or numeric type)
\r */
\rtemplate<typename T> inline long ConvToInt(const T &in)
\r{
\r std::stringstream tmp;
\r if (!(tmp << in)) return 0;
\r return atoi(tmp.str().c_str());
\r}
\r\r/** Template function to convert integer to char, storing result in *res and
\r * also returning the pointer to res. Based on Stuart Lowe's C/C++ Pages.
\r * @param T input value
\r * @param V result value
\r * @param R base to convert to
\r */
\rtemplate<typename T, typename V, typename R> inline char* itoa(const T &in, V *res, R base)
\r{
\r if (base < 2 || base > 16) { *res = 0; return res; }
\r char* out = res;
\r int quotient = in;
\r while (quotient) {
\r *out = "0123456789abcdef"[ std::abs( quotient % base ) ];
\r ++out;
\r quotient /= base;
\r }
\r if ( in < 0 && base == 10) *out++ = '-';
\r std::reverse( res, out );
\r *out = 0;
\r return res;
\r}
\r\r/** This class contains various STATS counters
\r * It is used by the InspIRCd class, which internally
\r * has an instance of it.
\r */
\rclass serverstats : public classbase
\r{
\r public:
\r /** Number of accepted connections
\r */
\r unsigned long statsAccept;
\r /** Number of failed accepts
\r */
\r unsigned long statsRefused;
\r /** Number of unknown commands seen
\r */
\r unsigned long statsUnknown;
\r /** Number of nickname collisions handled
\r */
\r unsigned long statsCollisions;
\r /** Number of DNS queries sent out
\r */
\r unsigned long statsDns;
\r /** Number of good DNS replies received
\r * NOTE: This may not tally to the number sent out,
\r * due to timeouts and other latency issues.
\r */
\r unsigned long statsDnsGood;
\r /** Number of bad (negative) DNS replies received
\r * NOTE: This may not tally to the number sent out,
\r * due to timeouts and other latency issues.
\r */
\r unsigned long statsDnsBad;
\r /** Number of inbound connections seen
\r */
\r unsigned long statsConnects;
\r /** Total bytes of data transmitted
\r */
\r double statsSent;
\r /** Total bytes of data received
\r */
\r double statsRecv;
\r /** Cpu usage at last sample
\r */
\r timeval LastCPU;
\r /** Time last sample was read
\r */
\r timeval LastSampled;
\r /** The constructor initializes all the counts to zero
\r */
\r serverstats()
\r : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
\r statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0.0), statsRecv(0.0)
\r {
\r }
\r};
\r\r/* Forward declaration -- required */
\rclass InspIRCd;
\r\r/** This class implements a nonblocking log-writer.
\r * Most people writing an ircd give little thought to their disk
\r * i/o. On a congested system, disk writes can block for long
\r * periods of time (e.g. if the system is busy and/or swapping
\r * a lot). If we just use a blocking fprintf() call, this could
\r * block for undesirable amounts of time (half of a second through
\r * to whole seconds). We DO NOT want this, so we make our logfile
\r * nonblocking and hook it into the SocketEngine.
\r * NB: If the operating system does not support nonblocking file
\r * I/O (linux seems to, as does freebsd) this will default to
\r * blocking behaviour.
\r */
\rclass CoreExport FileLogger : public EventHandler
\r{
\r protected:
\r /** The creator/owner of this object
\r */
\r InspIRCd* ServerInstance;
\r /** The log file (fd is inside this somewhere,
\r * we get it out with fileno())
\r */
\r FILE* log;
\r /** Buffer of pending log lines to be written
\r */
\r std::string buffer;
\r /** Number of write operations that have occured
\r */
\r int writeops;
\r public:
\r /** The constructor takes an already opened logfile.
\r */
\r FileLogger(InspIRCd* Instance, FILE* logfile);
\r /** This returns false, logfiles are writeable.
\r */
\r virtual bool Readable();
\r /** Handle pending write events.
\r * This will flush any waiting data to disk.
\r * If any data remains after the fprintf call,
\r * another write event is scheduled to write
\r * the rest of the data when possible.
\r */
\r virtual void HandleEvent(EventType et, int errornum = 0);
\r /** Write one or more preformatted log lines.
\r * If the data cannot be written immediately,
\r * this class will insert itself into the
\r * SocketEngine, and register a write event,
\r * and when the write event occurs it will
\r * attempt again to write the data.
\r */
\r void WriteLogLine(const std::string &line);
\r /** Close the log file and cancel any events.
\r */
\r virtual void Close();
\r /** Close the log file and cancel any events.
\r * (indirectly call Close()
\r */
\r virtual ~FileLogger();
\r};
\r\r/** A list of failed port bindings, used for informational purposes on startup */
\rtypedef std::vector<std::pair<std::string, long> > FailedPortList;
\r\r/** A list of ip addresses cross referenced against clone counts */
\rtypedef std::map<irc::string, unsigned int> clonemap;
\r\r/* Forward declaration - required */
\rclass XLineManager;
\r\r/** The main class of the irc server.
\r * This class contains instances of all the other classes
\r * in this software, with the exception of the base class,
\r * classbase. Amongst other things, it contains a ModeParser,
\r * a DNS object, a CommandParser object, and a list of active
\r * Module objects, and facilities for Module objects to
\r * interact with the core system it implements. You should
\r * NEVER attempt to instantiate a class of type InspIRCd
\r * yourself. If you do, this is equivalent to spawning a second
\r * IRC server, and could have catastrophic consequences for the
\r * program in terms of ram usage (basically, you could create
\r * an obese forkbomb built from recursively spawning irc servers!)
\r */
\rclass CoreExport InspIRCd : public classbase
\r{
\r private:
\r /** Holds a string describing the last module error to occur
\r */
\r char MODERR[MAXBUF];
\r\r /** Remove a ModuleFactory pointer
\r * @param j Index number of the ModuleFactory to remove
\r */
\r void EraseFactory(int j);
\r\r /** Remove a Module pointer
\r * @param j Index number of the Module to remove
\r */
\r void EraseModule(int j);
\r\r /** Move a given module to a specific slot in the list
\r * @param modulename The module name to relocate
\r * @param slot The slot to move the module into
\r */
\r void MoveTo(std::string modulename,int slot);
\r\r /** Display the startup banner
\r */
\r void Start();
\r\r /** Set up the signal handlers
\r */
\r void SetSignals();
\r\r /** Daemonize the ircd and close standard input/output streams
\r * @return True if the program daemonized succesfully
\r */
\r bool DaemonSeed();
\r\r /** Moves the given module to the last slot in the list
\r * @param modulename The module name to relocate
\r */
\r void MoveToLast(std::string modulename);
\r\r /** Moves the given module to the first slot in the list
\r * @param modulename The module name to relocate
\r */
\r void MoveToFirst(std::string modulename);
\r\r /** Moves one module to be placed after another in the list
\r * @param modulename The module name to relocate
\r * @param after The module name to place the module after
\r */
\r void MoveAfter(std::string modulename, std::string after);
\r\r /** Moves one module to be placed before another in the list
\r * @param modulename The module name to relocate
\r * @param after The module name to place the module before
\r */
\r void MoveBefore(std::string modulename, std::string before);
\r\r /** Iterate the list of InspSocket objects, removing ones which have timed out
\r * @param TIME the current time
\r */
\r void DoSocketTimeouts(time_t TIME);
\r\r /** Perform background user events such as PING checks
\r * @param TIME the current time
\r */
\r void DoBackgroundUserStuff(time_t TIME);
\r\r /** Returns true when all modules have done pre-registration checks on a user
\r * @param user The user to verify
\r * @return True if all modules have finished checking this user
\r */
\r bool AllModulesReportReady(userrec* user);
\r\r /** Total number of modules loaded into the ircd, minus one
\r */
\r int ModCount;
\r\r /** Logfile pathname specified on the commandline, or empty string
\r */
\r char LogFileName[MAXBUF];
\r\r /** The feature names published by various modules
\r */
\r featurelist Features;
\r\r /** The interface names published by various modules
\r */
\r interfacelist Interfaces;
\r\r /** The current time, updated in the mainloop
\r */
\r time_t TIME;
\r\r /** The time that was recorded last time around the mainloop
\r */
\r time_t OLDTIME;
\r\r /** A 64k buffer used to read client lines into
\r */
\r char ReadBuffer[65535];
\r\r /** Used when connecting clients
\r */
\r insp_sockaddr client, server;
\r\r /** Used when connecting clients
\r */
\r socklen_t length;
\r\r /** Nonblocking file writer
\r */
\r FileLogger* Logger;
\r\r /** Time offset in seconds
\r * This offset is added to all calls to Time(). Use SetTimeDelta() to update
\r */
\r int time_delta;
\r\r public:
\r\r /** InspSocket classes pending deletion after being closed.
\r * We don't delete these immediately as this may cause a segmentation fault.
\r */
\r std::map<InspSocket*,InspSocket*> SocketCull;
\r\r /** Build the ISUPPORT string by triggering all modules On005Numeric events
\r */
\r void BuildISupport();
\r\r /** Number of unregistered users online right now.
\r * (Unregistered means before USER/NICK/dns)
\r */
\r int unregistered_count;
\r\r /** List of server names we've seen.
\r */
\r servernamelist servernames;
\r\r /** Time this ircd was booted
\r */
\r time_t startup_time;
\r\r /** Config file pathname specified on the commandline or via ./configure
\r */
\r char ConfigFileName[MAXBUF];
\r\r /** Mode handler, handles mode setting and removal
\r */
\r ModeParser* Modes;
\r\r /** Command parser, handles client to server commands
\r */
\r CommandParser* Parser;
\r\r /** Socket engine, handles socket activity events
\r */
\r SocketEngine* SE;
\r\r /** Stats class, holds miscellaneous stats counters
\r */
\r serverstats* stats;
\r\r /** Server Config class, holds configuration file data
\r */
\r ServerConfig* Config;
\r\r /** Snomask manager - handles routing of snomask messages
\r * to opers.
\r */
\r SnomaskManager* SNO;
\r\r /** Client list, a hash_map containing all clients, local and remote
\r */
\r user_hash* clientlist;
\r\r /** Channel list, a hash_map containing all channels
\r */
\r chan_hash* chanlist;
\r\r /** Local client list, a vector containing only local clients
\r */
\r std::vector<userrec*> local_users;
\r\r /** Oper list, a vector containing all local and remote opered users
\r */
\r std::vector<userrec*> all_opers;
\r\r /** Map of local ip addresses for clone counting
\r */
\r clonemap local_clones;
\r\r /** Map of global ip addresses for clone counting
\r */
\r clonemap global_clones;
\r\r /** DNS class, provides resolver facilities to the core and modules
\r */
\r DNS* Res;
\r\r /** Timer manager class, triggers InspTimer timer events
\r */
\r TimerManager* Timers;
\r\r /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
\r */
\r XLineManager* XLines;
\r\r /** A list of Module* module classes
\r * Note that this list is always exactly 255 in size.
\r * The actual number of loaded modules is available from GetModuleCount()
\r */
\r ModuleList modules;
\r\r /** A list of ModuleFactory* module factories
\r * Note that this list is always exactly 255 in size.
\r * The actual number of loaded modules is available from GetModuleCount()
\r */
\r FactoryList factory;
\r\r /** The time we next call our ping timeout and reg timeout checks
\r */
\r time_t next_call;
\r\r /** Global cull list, will be processed on next iteration
\r */
\r CullList GlobalCulls;
\r\r /** Get the current time
\r * Because this only calls time() once every time around the mainloop,
\r * it is much faster than calling time() directly.
\r * @param delta True to use the delta as an offset, false otherwise
\r * @return The current time as an epoch value (time_t)
\r */
\r time_t Time(bool delta = false);
\r\r /** Set the time offset in seconds
\r * This offset is added to Time() to offset the system time by the specified
\r * number of seconds.
\r * @param delta The number of seconds to offset
\r * @return The old time delta
\r */
\r int SetTimeDelta(int delta);
\r\r /** Add a user to the local clone map
\r * @param user The user to add
\r */
\r void AddLocalClone(userrec* user);
\r\r /** Add a user to the global clone map
\r * @param user The user to add
\r */
\r void AddGlobalClone(userrec* user);
\r\r /** Number of users with a certain mode set on them
\r */
\r int ModeCount(const char mode);
\r\r /** Get the time offset in seconds
\r * @return The current time delta (in seconds)
\r */
\r int GetTimeDelta();
\r\r /** Process a user whos socket has been flagged as active
\r * @param cu The user to process
\r * @return There is no actual return value, however upon exit, the user 'cu' may have been
\r * marked for deletion in the global CullList.
\r */
\r void ProcessUser(userrec* cu);
\r\r /** Get the total number of currently loaded modules
\r * @return The number of loaded modules
\r */
\r int GetModuleCount();
\r\r /** Find a module by name, and return a Module* to it.
\r * This is preferred over iterating the module lists yourself.
\r * @param name The module name to look up
\r * @return A pointer to the module, or NULL if the module cannot be found
\r */
\r Module* FindModule(const std::string &name);
\r\r /** Bind all ports specified in the configuration file.
\r * @param bail True if the function should bail back to the shell on failure
\r * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound
\r * @return The number of ports actually bound without error
\r */
\r int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports);
\r\r /** Binds a socket on an already open file descriptor
\r * @param sockfd A valid file descriptor of an open socket
\r * @param port The port number to bind to
\r * @param addr The address to bind to (IP only)
\r * @return True if the port was bound successfully
\r */
\r bool BindSocket(int sockfd, int port, char* addr, bool dolisten = true);
\r\r /** Adds a server name to the list of servers we've seen
\r * @param The servername to add
\r */
\r void AddServerName(const std::string &servername);
\r\r /** Finds a cached char* pointer of a server name,
\r * This is used to optimize userrec by storing only the pointer to the name
\r * @param The servername to find
\r * @return A pointer to this name, gauranteed to never become invalid
\r */
\r const char* FindServerNamePtr(const std::string &servername);
\r\r /** Returns true if we've seen the given server name before
\r * @param The servername to find
\r * @return True if we've seen this server name before
\r */
\r bool FindServerName(const std::string &servername);
\r\r /** Gets the GECOS (description) field of the given server.
\r * If the servername is not that of the local server, the name
\r * is passed to handling modules which will attempt to determine
\r * the GECOS that bleongs to the given servername.
\r * @param servername The servername to find the description of
\r * @return The description of this server, or of the local server
\r */
\r std::string GetServerDescription(const char* servername);
\r\r /** Write text to all opers connected to this server
\r * @param text The text format string
\r * @param ... Format args
\r */
\r void WriteOpers(const char* text, ...);
\r\r /** Write text to all opers connected to this server
\r * @param text The text to send
\r */
\r void WriteOpers(const std::string &text);
\r\r /** Find a nickname in the nick hash
\r * @param nick The nickname to find
\r * @return A pointer to the user, or NULL if the user does not exist
\r */
\r userrec* FindNick(const std::string &nick);
\r\r /** Find a nickname in the nick hash
\r * @param nick The nickname to find
\r * @return A pointer to the user, or NULL if the user does not exist
\r */
\r userrec* FindNick(const char* nick);
\r\r /** Find a channel in the channels hash
\r * @param chan The channel to find
\r * @return A pointer to the channel, or NULL if the channel does not exist
\r */
\r chanrec* FindChan(const std::string &chan);
\r\r /** Find a channel in the channels hash
\r * @param chan The channel to find
\r * @return A pointer to the channel, or NULL if the channel does not exist
\r */
\r chanrec* FindChan(const char* chan);
\r\r /** Called by the constructor to load all modules from the config file.
\r */
\r void LoadAllModules();
\r\r /** Check for a 'die' tag in the config file, and abort if found
\r * @return Depending on the configuration, this function may never return
\r */
\r void CheckDie();
\r\r /** Check we aren't running as root, and exit if we are
\r * @return Depending on the configuration, this function may never return
\r */
\r void CheckRoot();
\r\r /** Determine the right path for, and open, the logfile
\r * @param argv The argv passed to main() initially, used to calculate program path
\r * @param argc The argc passed to main() initially, used to calculate program path
\r */
\r void OpenLog(char** argv, int argc);
\r\r /** Close the currently open log file
\r */
\r void CloseLog();
\r\r /** Send a server notice to all local users
\r * @param text The text format string to send
\r * @param ... The format arguments
\r */
\r void ServerNoticeAll(char* text, ...);
\r\r /** Send a server message (PRIVMSG) to all local users
\r * @param text The text format string to send
\r * @param ... The format arguments
\r */
\r void ServerPrivmsgAll(char* text, ...);
\r\r /** Send text to all users with a specific set of modes
\r * @param modes The modes to check against, without a +, e.g. 'og'
\r * @param flags one of WM_OR or WM_AND. If you specify WM_OR, any one of the
\r * mode characters in the first parameter causes receipt of the message, and
\r * if you specify WM_OR, all the modes must be present.
\r * @param text The text format string to send
\r * @param ... The format arguments
\r */
\r void WriteMode(const char* modes, int flags, const char* text, ...);
\r\r /** Return true if a channel name is valid
\r * @param chname A channel name to verify
\r * @return True if the name is valid
\r */
\r bool IsChannel(const char *chname);
\r\r /** Rehash the local server
\r * @param status This value is unused, and required for signal handler functions
\r */
\r static void Rehash(int status);
\r\r /** Causes the server to exit after unloading modules and
\r * closing all open file descriptors.
\r *
\r * @param The exit code to give to the operating system
\r * (See the ExitStatus enum for valid values)
\r */
\r static void Exit(int status);
\r\r /** Causes the server to exit immediately with exit code 0.
\r * The status code is required for signal handlers, and ignored.
\r */
\r static void QuickExit(int status);
\r\r /** Return a count of users, unknown and known connections
\r * @return The number of users
\r */
\r int UserCount();
\r\r /** Return a count of fully registered connections only
\r * @return The number of registered users
\r */
\r int RegisteredUserCount();
\r\r /** Return a count of invisible (umode +i) users only
\r * @return The number of invisible users
\r */
\r int InvisibleUserCount();
\r\r /** Return a count of opered (umode +o) users only
\r * @return The number of opers
\r */
\r int OperCount();
\r\r /** Return a count of unregistered (before NICK/USER) users only
\r * @return The number of unregistered (unknown) connections
\r */
\r int UnregisteredUserCount();
\r\r /** Return a count of channels on the network
\r * @return The number of channels
\r */
\r long ChannelCount();
\r\r /** Return a count of local users on this server only
\r * @return The number of local users
\r */
\r long LocalUserCount();
\r\r /** Send an error notice to all local users, opered and unopered
\r * @param s The error string to send
\r */
\r void SendError(const std::string &s);
\r\r /** For use with Module::Prioritize().
\r * When the return value of this function is returned from
\r * Module::Prioritize(), this specifies that the module wishes
\r * to be ordered exactly BEFORE 'modulename'. For more information
\r * please see Module::Prioritize().
\r * @param modulename The module your module wants to be before in the call list
\r * @returns a priority ID which the core uses to relocate the module in the list
\r */
\r long PriorityBefore(const std::string &modulename);
\r\r /** For use with Module::Prioritize().
\r * When the return value of this function is returned from
\r * Module::Prioritize(), this specifies that the module wishes
\r * to be ordered exactly AFTER 'modulename'. For more information please
\r * see Module::Prioritize().
\r * @param modulename The module your module wants to be after in the call list
\r * @returns a priority ID which the core uses to relocate the module in the list
\r */
\r long PriorityAfter(const std::string &modulename);
\r\r /** Publish a 'feature'.
\r * There are two ways for a module to find another module it depends on.
\r * Either by name, using InspIRCd::FindModule, or by feature, using this
\r * function. A feature is an arbitary string which identifies something this
\r * module can do. For example, if your module provides SSL support, but other
\r * modules provide SSL support too, all the modules supporting SSL should
\r * publish an identical 'SSL' feature. This way, any module requiring use
\r * of SSL functions can just look up the 'SSL' feature using FindFeature,
\r * then use the module pointer they are given.
\r * @param FeatureName The case sensitive feature name to make available
\r * @param Mod a pointer to your module class
\r * @returns True on success, false if the feature is already published by
\r * another module.
\r */
\r bool PublishFeature(const std::string &FeatureName, Module* Mod);
\r\r /** Publish a module to an 'interface'.
\r * Modules which implement the same interface (the same way of communicating
\r * with other modules) can publish themselves to an interface, using this
\r * method. When they do so, they become part of a list of related or
\r * compatible modules, and a third module may then query for that list
\r * and know that all modules within that list offer the same API.
\r * A prime example of this is the hashing modules, which all accept the
\r * same types of Request class. Consider this to be similar to PublishFeature,
\r * except for that multiple modules may publish the same 'feature'.
\r * @param InterfaceName The case sensitive interface name to make available
\r * @param Mod a pointer to your module class
\r * @returns True on success, false on failure (there are currently no failure
\r * cases)
\r */
\r bool PublishInterface(const std::string &InterfaceName, Module* Mod);
\r\r /** Return a pair saying how many other modules are currently using the
\r * interfaces provided by module m.
\r * @param m The module to count usage for
\r * @return A pair, where the first value is the number of uses of the interface,
\r * and the second value is the interface name being used.
\r */
\r std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
\r\r /** Mark your module as using an interface.
\r * If you mark your module as using an interface, then that interface
\r * module may not unload until your module has unloaded first.
\r * This can be used to prevent crashes by ensuring code you depend on
\r * is always in memory while your module is active.
\r * @param InterfaceName The interface to use
\r */
\r void UseInterface(const std::string &InterfaceName);
\r\r /** Mark your module as finished with an interface.
\r * If you used UseInterface() above, you should use this method when
\r * your module is finished with the interface (usually in its destructor)
\r * to allow the modules which implement the given interface to be unloaded.
\r * @param InterfaceName The interface you are finished with using.
\r */
\r void DoneWithInterface(const std::string &InterfaceName);
\r\r /** Unpublish a 'feature'.
\r * When your module exits, it must call this method for every feature it
\r * is providing so that the feature table is cleaned up.
\r * @param FeatureName the feature to remove
\r */
\r bool UnpublishFeature(const std::string &FeatureName);
\r\r /** Unpublish your module from an interface
\r * When your module exits, it must call this method for every interface
\r * it is part of so that the interfaces table is cleaned up. Only when
\r * the last item is deleted from an interface does the interface get
\r * removed.
\r * @param InterfaceName the interface to be removed from
\r * @param Mod The module to remove from the interface list
\r */
\r bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
\r\r /** Find a 'feature'.
\r * There are two ways for a module to find another module it depends on.
\r * Either by name, using InspIRCd::FindModule, or by feature, using the
\r * InspIRCd::PublishFeature method. A feature is an arbitary string which
\r * identifies something this module can do. For example, if your module
\r * provides SSL support, but other modules provide SSL support too, all
\r * the modules supporting SSL should publish an identical 'SSL' feature.
\r * To find a module capable of providing the feature you want, simply
\r * call this method with the feature name you are looking for.
\r * @param FeatureName The feature name you wish to obtain the module for
\r * @returns A pointer to a valid module class on success, NULL on failure.
\r */
\r Module* FindFeature(const std::string &FeatureName);
\r\r /** Find an 'interface'.
\r * An interface is a list of modules which all implement the same API.
\r * @param InterfaceName The Interface you wish to obtain the module
\r * list of.
\r * @return A pointer to a deque of Module*, or NULL if the interface
\r * does not exist.
\r */
\r modulelist* FindInterface(const std::string &InterfaceName);
\r\r /** Given a pointer to a Module, return its filename
\r * @param m The module pointer to identify
\r * @return The module name or an empty string
\r */
\r const std::string& GetModuleName(Module* m);
\r\r /** Return true if a nickname is valid
\r * @param n A nickname to verify
\r * @return True if the nick is valid
\r */
\r bool IsNick(const char* n);
\r\r /** Return true if an ident is valid
\r * @param An ident to verify
\r * @return True if the ident is valid
\r */
\r bool IsIdent(const char* n);
\r\r /** Find a username by their file descriptor.
\r * It is preferred to use this over directly accessing the fd_ref_table array.
\r * @param socket The file descriptor of a user
\r * @return A pointer to the user if the user exists locally on this descriptor
\r */
\r userrec* FindDescriptor(int socket);
\r\r /** Add a new mode to this server's mode parser
\r * @param mh The modehandler to add
\r * @param modechar The mode character this modehandler handles
\r * @return True if the mode handler was added
\r */
\r bool AddMode(ModeHandler* mh, const unsigned char modechar);
\r\r /** Add a new mode watcher to this server's mode parser
\r * @param mw The modewatcher to add
\r * @return True if the modewatcher was added
\r */
\r bool AddModeWatcher(ModeWatcher* mw);
\r\r /** Delete a mode watcher from this server's mode parser
\r * @param mw The modewatcher to delete
\r * @return True if the modewatcher was deleted
\r */
\r bool DelModeWatcher(ModeWatcher* mw);
\r\r /** Add a dns Resolver class to this server's active set
\r * @param r The resolver to add
\r * @param cached If this value is true, then the cache will
\r * be searched for the DNS result, immediately. If the value is
\r * false, then a request will be sent to the nameserver, and the
\r * result will not be immediately available. You should usually
\r * use the boolean value which you passed to the Resolver
\r * constructor, which Resolver will set appropriately depending
\r * on if cached results are available and haven't expired. It is
\r * however safe to force this value to false, forcing a remote DNS
\r * lookup, but not an update of the cache.
\r * @return True if the operation completed successfully. Note that
\r * if this method returns true, you should not attempt to access
\r * the resolver class you pass it after this call, as depending upon
\r * the request given, the object may be deleted!
\r */
\r bool AddResolver(Resolver* r, bool cached);
\r\r /** Add a command to this server's command parser
\r * @param f A command_t command handler object to add
\r * @throw ModuleException Will throw ModuleExcption if the command already exists
\r */
\r void AddCommand(command_t *f);
\r\r /** Send a modechange.
\r * The parameters provided are identical to that sent to the
\r * handler for class cmd_mode.
\r * @param parameters The mode parameters
\r * @param pcnt The number of items you have given in the first parameter
\r * @param user The user to send error messages to
\r */
\r void SendMode(const char **parameters, int pcnt, userrec *user);
\r\r /** Match two strings using pattern matching.
\r * This operates identically to the global function match(),
\r * except for that it takes std::string arguments rather than
\r * const char* ones.
\r * @param sliteral The literal string to match against
\r * @param spattern The pattern to match against. CIDR and globs are supported.
\r */
\r bool MatchText(const std::string &sliteral, const std::string &spattern);
\r\r /** Call the handler for a given command.
\r * @param commandname The command whos handler you wish to call
\r * @param parameters The mode parameters
\r * @param pcnt The number of items you have given in the first parameter
\r * @param user The user to execute the command as
\r * @return True if the command handler was called successfully
\r */
\r CmdResult CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
\r\r /** Return true if the command is a module-implemented command and the given parameters are valid for it
\r * @param parameters The mode parameters
\r * @param pcnt The number of items you have given in the first parameter
\r * @param user The user to test-execute the command as
\r * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
\r */
\r bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
\r\r /** Add a gline and apply it
\r * @param duration How long the line should last
\r * @param source Who set the line
\r * @param reason The reason for the line
\r * @param hostmask The hostmask to set the line against
\r */
\r void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
\r\r /** Add a qline and apply it
\r * @param duration How long the line should last
\r * @param source Who set the line
\r * @param reason The reason for the line
\r * @param nickname The nickmask to set the line against
\r */
\r void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
\r\r /** Add a zline and apply it
\r * @param duration How long the line should last
\r * @param source Who set the line
\r * @param reason The reason for the line
\r * @param ipaddr The ip-mask to set the line against
\r */
\r void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
\r\r /** Add a kline and apply it
\r * @param duration How long the line should last
\r * @param source Who set the line
\r * @param reason The reason for the line
\r * @param hostmask The hostmask to set the line against
\r */
\r void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
\r\r /** Add an eline
\r * @param duration How long the line should last
\r * @param source Who set the line
\r * @param reason The reason for the line
\r * @param hostmask The hostmask to set the line against
\r */
\r void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
\r\r /** Delete a gline
\r * @param hostmask The gline to delete
\r * @return True if the item was removed
\r */
\r bool DelGLine(const std::string &hostmask);
\r\r /** Delete a qline
\r * @param nickname The qline to delete
\r * @return True if the item was removed
\r */
\r bool DelQLine(const std::string &nickname);
\r\r /** Delete a zline
\r * @param ipaddr The zline to delete
\r * @return True if the item was removed
\r */
\r bool DelZLine(const std::string &ipaddr);
\r\r /** Delete a kline
\r * @param hostmask The kline to delete
\r * @return True if the item was removed
\r */
\r bool DelKLine(const std::string &hostmask);
\r\r /** Delete an eline
\r * @param hostmask The kline to delete
\r * @return True if the item was removed
\r */
\r bool DelELine(const std::string &hostmask);
\r\r /** Return true if the given parameter is a valid nick!user\@host mask
\r * @param mask A nick!user\@host masak to match against
\r * @return True i the mask is valid
\r */
\r bool IsValidMask(const std::string &mask);
\r\r /** Rehash the local server
\r */
\r void RehashServer();
\r\r /** Return the channel whos index number matches that provided
\r * @param The index number of the channel to fetch
\r * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount()
\r */
\r chanrec* GetChannelIndex(long index);
\r\r /** Dump text to a user target, splitting it appropriately to fit
\r * @param User the user to dump the text to
\r * @param LinePrefix text to prefix each complete line with
\r * @param TextStream the text to send to the user
\r */
\r void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
\r\r /** Check if the given nickmask matches too many users, send errors to the given user
\r * @param nick A nickmask to match against
\r * @param user A user to send error text to
\r * @return True if the nick matches too many users
\r */
\r bool NickMatchesEveryone(const std::string &nick, userrec* user);
\r\r /** Check if the given IP mask matches too many users, send errors to the given user
\r * @param ip An ipmask to match against
\r * @param user A user to send error text to
\r * @return True if the ip matches too many users
\r */
\r bool IPMatchesEveryone(const std::string &ip, userrec* user);
\r\r /** Check if the given hostmask matches too many users, send errors to the given user
\r * @param mask A hostmask to match against
\r * @param user A user to send error text to
\r * @return True if the host matches too many users
\r */
\r bool HostMatchesEveryone(const std::string &mask, userrec* user);
\r\r /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
\r * @param str A string containing a time in the form 1y2w3d4h6m5s
\r * (one year, two weeks, three days, four hours, six minutes and five seconds)
\r * @return The total number of seconds
\r */
\r long Duration(const std::string &str);
\r\r /** Attempt to compare an oper password to a string from the config file.
\r * This will be passed to handling modules which will compare the data
\r * against possible hashed equivalents in the input string.
\r * @param data The data from the config file
\r * @param input The data input by the oper
\r * @param tagnum the tag number of the oper's tag in the config file
\r * @return 0 if the strings match, 1 or -1 if they do not
\r */
\r int OperPassCompare(const char* data,const char* input, int tagnum);
\r\r /** Check if a given server is a uline.
\r * An empty string returns true, this is by design.
\r * @param server The server to check for uline status
\r * @return True if the server is a uline OR the string is empty
\r */
\r bool ULine(const char* server);
\r\r /** Returns true if the uline is 'silent' (doesnt generate
\r * remote connect notices etc).
\r */
\r bool SilentULine(const char* server);
\r\r /** Returns the subversion revision ID of this ircd
\r * @return The revision ID or an empty string
\r */
\r std::string GetRevision();
\r\r /** Returns the full version string of this ircd
\r * @return The version string
\r */
\r std::string GetVersionString();
\r\r /** Attempt to write the process id to a given file
\r * @param filename The PID file to attempt to write to
\r * @return This function may bail if the file cannot be written
\r */
\r void WritePID(const std::string &filename);
\r\r /** Returns text describing the last module error
\r * @return The last error message to occur
\r */
\r char* ModuleError();
\r\r /** Load a given module file
\r * @param filename The file to load
\r * @return True if the module was found and loaded
\r */
\r bool LoadModule(const char* filename);
\r\r /** Unload a given module file
\r * @param filename The file to unload
\r * @return True if the module was unloaded
\r */
\r bool UnloadModule(const char* filename);
\r\r /** This constructor initialises all the subsystems and reads the config file.
\r * @param argc The argument count passed to main()
\r * @param argv The argument list passed to main()
\r * @throw <anything> If anything is thrown from here and makes it to
\r * you, you should probably just give up and go home. Yes, really.
\r * It's that bad. Higher level classes should catch any non-fatal exceptions.
\r */
\r InspIRCd(int argc, char** argv);
\r\r /** Do one iteration of the mainloop
\r * @param process_module_sockets True if module sockets are to be processed
\r * this time around the event loop. The is the default.
\r */
\r void DoOneIteration(bool process_module_sockets = true);
\r\r /** Output a log message to the ircd.log file
\r * The text will only be output if the current loglevel
\r * is less than or equal to the level you provide
\r * @param level A log level from the DebugLevel enum
\r * @param text Format string of to write to the log
\r * @param ... Format arguments of text to write to the log
\r */
\r void Log(int level, const char* text, ...);
\r\r /** Output a log message to the ircd.log file
\r * The text will only be output if the current loglevel
\r * is less than or equal to the level you provide
\r * @param level A log level from the DebugLevel enum
\r * @param text Text to write to the log
\r */
\r void Log(int level, const std::string &text);
\r\r /** Send a line of WHOIS data to a user.
\r * @param user user to send the line to
\r * @param dest user being WHOISed
\r * @param numeric Numeric to send
\r * @param text Text of the numeric
\r */
\r void SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text);
\r\r /** Send a line of WHOIS data to a user.
\r * @param user user to send the line to
\r * @param dest user being WHOISed
\r * @param numeric Numeric to send
\r * @param format Format string for the numeric
\r * @param ... Parameters for the format string
\r */
\r void SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...);
\r\r /** Quit a user for excess flood, and if they are not
\r * fully registered yet, temporarily zline their IP.
\r * @param current user to quit
\r */
\r void FloodQuitUser(userrec* current);
\r\r /** Restart the server.
\r * This function will not return. If an error occurs,
\r * it will throw an instance of CoreException.
\r * @param reason The restart reason to show to all clients
\r * @throw CoreException An instance of CoreException indicating the error from execv().
\r */
\r void Restart(const std::string &reason);
\r\r /** Prepare the ircd for restart or shutdown.
\r * This function unloads all modules which can be unloaded,
\r * closes all open sockets, and closes the logfile.
\r */
\r void Cleanup();
\r\r /** This copies the user and channel hash_maps into new hash maps.
\r * This frees memory used by the hash_map allocator (which it neglects
\r * to free, most of the time, using tons of ram)
\r */
\r void RehashUsersAndChans();
\r\r /** Resets the cached max bans value on all channels.
\r * Called by rehash.
\r */
\r void ResetMaxBans();
\r\r /** Return a time_t as a human-readable string.
\r */
\r std::string TimeString(time_t curtime);
\r\r /** Begin execution of the server.
\r * NOTE: this function NEVER returns. Internally,
\r * after performing some initialisation routines,
\r * it will repeatedly call DoOneIteration in a loop.
\r * @return The return value for this function is undefined.
\r */
\r int Run();
\r};
\r\r#endif
\r\r\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2003 randomdan <???@???>
+ *
+ * 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/>.
+ */
+
+
+#ifndef INSPIRCD_H
+#define INSPIRCD_H
+
+#define _FILE_OFFSET_BITS 64
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+
+#ifndef _WIN32
+#define DllExport
+#define CoreExport
+#else
+#include "inspircd_win32wrapper.h"
+/** Windows defines these already */
+#undef ERROR
+#endif
+
+#ifdef __GNUC__
+#define CUSTOM_PRINTF(STRING, FIRST) __attribute__((format(printf, STRING, FIRST)))
+#else
+#define CUSTOM_PRINTF(STRING, FIRST)
+#endif
+
+// Required system headers.
+#include <csignal>
+#include <ctime>
+#include <cstdarg>
+#include <algorithm>
+#include <cmath>
+#include <cstring>
+#include <climits>
+#include <cstdio>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+
+#include <sstream>
+#include <string>
+#include <vector>
+#include <list>
+#include <deque>
+#include <map>
+#include <bitset>
+#include <set>
+#include <time.h>
+#include "inspircd_config.h"
+#include "inspircd_version.h"
+#include "typedefs.h"
+#include "consolecolors.h"
+
+CoreExport extern InspIRCd* ServerInstance;
+
+#include "caller.h"
+#include "cull_list.h"
+#include "extensible.h"
+#include "numerics.h"
+#include "uid.h"
+#include "users.h"
+#include "channels.h"
+#include "timer.h"
+#include "hashcomp.h"
+#include "logger.h"
+#include "usermanager.h"
+#include "socket.h"
+#include "ctables.h"
+#include "command_parse.h"
+#include "mode.h"
+#include "socketengine.h"
+#include "snomasks.h"
+#include "filelogger.h"
+#include "modules.h"
+#include "threadengine.h"
+#include "configreader.h"
+#include "inspstring.h"
+#include "protocol.h"
+
+#ifndef PATH_MAX
+#warning Potentially broken system, PATH_MAX undefined
+#define PATH_MAX 4096
+#endif
+
+/**
+ * Used to define the maximum number of parameters a command may have.
+ */
+#define MAXPARAMETERS 127
+
+/** Returned by some functions to indicate failure.
+ */
+#define ERROR -1
+
+/** Support for librodent -
+ * see http://www.chatspike.net/index.php?z=64
+ */
+#define ETIREDHAMSTERS EAGAIN
+
+/** Template function to convert any input type to std::string
+ */
+template<typename T> inline std::string ConvNumeric(const T &in)
+{
+ if (in == 0) return "0";
+ char res[MAXBUF];
+ char* out = res;
+ T quotient = in;
+ while (quotient) {
+ *out = "0123456789"[ std::abs( (long)quotient % 10 ) ];
+ ++out;
+ quotient /= 10;
+ }
+ if (in < 0)
+ *out++ = '-';
+ *out = 0;
+ std::reverse(res,out);
+ return res;
+}
+
+/** Template function to convert any input type to std::string
+ */
+inline std::string ConvToStr(const int in)
+{
+ return ConvNumeric(in);
+}
+
+/** Template function to convert any input type to std::string
+ */
+inline std::string ConvToStr(const long in)
+{
+ return ConvNumeric(in);
+}
+
+/** Template function to convert any input type to std::string
+ */
+inline std::string ConvToStr(const char* in)
+{
+ return in;
+}
+
+/** Template function to convert any input type to std::string
+ */
+inline std::string ConvToStr(const bool in)
+{
+ return (in ? "1" : "0");
+}
+
+/** Template function to convert any input type to std::string
+ */
+inline std::string ConvToStr(char in)
+{
+ return std::string(1, in);
+}
+
+/** Template function to convert any input type to std::string
+ */
+template <class T> inline std::string ConvToStr(const T &in)
+{
+ std::stringstream tmp;
+ if (!(tmp << in)) return std::string();
+ return tmp.str();
+}
+
+/** Template function to convert any input type to any other type
+ * (usually an integer or numeric type)
+ */
+template<typename T> inline long ConvToInt(const T &in)
+{
+ std::stringstream tmp;
+ if (!(tmp << in)) return 0;
+ return atol(tmp.str().c_str());
+}
+
+/** This class contains various STATS counters
+ * It is used by the InspIRCd class, which internally
+ * has an instance of it.
+ */
+class serverstats
+{
+ public:
+ /** Number of accepted connections
+ */
+ unsigned long statsAccept;
+ /** Number of failed accepts
+ */
+ unsigned long statsRefused;
+ /** Number of unknown commands seen
+ */
+ unsigned long statsUnknown;
+ /** Number of nickname collisions handled
+ */
+ unsigned long statsCollisions;
+ /** Number of DNS queries sent out
+ */
+ unsigned long statsDns;
+ /** Number of good DNS replies received
+ * NOTE: This may not tally to the number sent out,
+ * due to timeouts and other latency issues.
+ */
+ unsigned long statsDnsGood;
+ /** Number of bad (negative) DNS replies received
+ * NOTE: This may not tally to the number sent out,
+ * due to timeouts and other latency issues.
+ */
+ unsigned long statsDnsBad;
+ /** Number of inbound connections seen
+ */
+ unsigned long statsConnects;
+ /** Total bytes of data transmitted
+ */
+ unsigned long statsSent;
+ /** Total bytes of data received
+ */
+ unsigned long statsRecv;
+#ifdef _WIN32
+ /** Cpu usage at last sample
+ */
+ FILETIME LastCPU;
+ /** Time QP sample was read
+ */
+ LARGE_INTEGER LastSampled;
+ /** QP frequency
+ */
+ LARGE_INTEGER QPFrequency;
+#else
+ /** Cpu usage at last sample
+ */
+ timeval LastCPU;
+ /** Time last sample was read
+ */
+ timespec LastSampled;
+#endif
+ /** The constructor initializes all the counts to zero
+ */
+ serverstats()
+ : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
+ statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0), statsRecv(0)
+ {
+ }
+};
+
+DEFINE_HANDLER2(IsNickHandler, bool, const char*, size_t);
+DEFINE_HANDLER2(GenRandomHandler, void, char*, size_t);
+DEFINE_HANDLER1(IsIdentHandler, bool, const char*);
+DEFINE_HANDLER1(FloodQuitUserHandler, void, User*);
+DEFINE_HANDLER2(IsChannelHandler, bool, const char*, size_t);
+DEFINE_HANDLER1(IsSIDHandler, bool, const std::string&);
+DEFINE_HANDLER1(RehashHandler, void, const std::string&);
+DEFINE_HANDLER3(OnCheckExemptionHandler, ModResult, User*, Channel*, const std::string&);
+
+class TestSuite;
+
+/** The main class of the irc server.
+ * This class contains instances of all the other classes in this software.
+ * Amongst other things, it contains a ModeParser, a DNS object, a CommandParser
+ * object, and a list of active Module objects, and facilities for Module
+ * objects to interact with the core system it implements.
+ */
+class CoreExport InspIRCd
+{
+ private:
+ /** Holds the current UID. Used to generate the next one.
+ */
+ char current_uid[UUID_LENGTH];
+
+ /** Set up the signal handlers
+ */
+ void SetSignals();
+
+ /** Daemonize the ircd and close standard input/output streams
+ * @return True if the program daemonized succesfully
+ */
+ bool DaemonSeed();
+
+ /** Iterate the list of BufferedSocket objects, removing ones which have timed out
+ * @param TIME the current time
+ */
+ void DoSocketTimeouts(time_t TIME);
+
+ /** Increments the current UID by one.
+ */
+ void IncrementUID(int pos);
+
+ /** Perform background user events such as PING checks
+ */
+ void DoBackgroundUserStuff();
+
+ /** Returns true when all modules have done pre-registration checks on a user
+ * @param user The user to verify
+ * @return True if all modules have finished checking this user
+ */
+ bool AllModulesReportReady(LocalUser* user);
+
+ /** The current time, updated in the mainloop
+ */
+ struct timespec TIME;
+
+ /** A 64k buffer used to read socket data into
+ * NOTE: update ValidateNetBufferSize if you change this
+ */
+ char ReadBuffer[65535];
+
+ public:
+
+ /** Global cull list, will be processed on next iteration
+ */
+ CullList GlobalCulls;
+ /** Actions that must happen outside of the current call stack */
+ ActionList AtomicActions;
+
+ /**** Functors ****/
+
+ IsNickHandler HandleIsNick;
+ IsIdentHandler HandleIsIdent;
+ FloodQuitUserHandler HandleFloodQuitUser;
+ OnCheckExemptionHandler HandleOnCheckExemption;
+ IsChannelHandler HandleIsChannel;
+ IsSIDHandler HandleIsSID;
+ RehashHandler HandleRehash;
+ GenRandomHandler HandleGenRandom;
+
+ /** Globally accessible fake user record. This is used to force mode changes etc across s2s, etc.. bit ugly, but.. better than how this was done in 1.1
+ * Reason for it:
+ * kludge alert!
+ * SendMode expects a User* to send the numeric replies
+ * back to, so we create it a fake user that isnt in the user
+ * hash and set its descriptor to FD_MAGIC_NUMBER so the data
+ * falls into the abyss :p
+ */
+ FakeUser* FakeClient;
+
+ /** Returns the next available UID for this server.
+ */
+ std::string GetUID();
+
+ static const char LogHeader[];
+
+ /** Find a user in the UUID hash
+ * @param uid The UUID to find
+ * @return A pointer to the user, or NULL if the user does not exist
+ */
+ User* FindUUID(const std::string &uid);
+
+ /** Find a user in the UUID hash
+ * @param uid The UUID to find
+ * @return A pointer to the user, or NULL if the user does not exist
+ */
+ User* FindUUID(const char *uid);
+
+ /** Build the ISUPPORT string by triggering all modules On005Numeric events
+ */
+ void BuildISupport();
+
+ /** Time this ircd was booted
+ */
+ time_t startup_time;
+
+ /** Config file pathname specified on the commandline or via ./configure
+ */
+ std::string ConfigFileName;
+
+ ExtensionManager Extensions;
+
+ /** Mode handler, handles mode setting and removal
+ */
+ ModeParser* Modes;
+
+ /** Command parser, handles client to server commands
+ */
+ CommandParser* Parser;
+
+ /** Socket engine, handles socket activity events
+ */
+ SocketEngine* SE;
+
+ /** Thread engine, Handles threading where required
+ */
+ ThreadEngine* Threads;
+
+ /** The thread/class used to read config files in REHASH and on startup
+ */
+ ConfigReaderThread* ConfigThread;
+
+ /** LogManager handles logging.
+ */
+ LogManager *Logs;
+
+ /** ModuleManager contains everything related to loading/unloading
+ * modules.
+ */
+ ModuleManager* Modules;
+
+ /** BanCacheManager is used to speed up checking of restrictions on connection
+ * to the IRCd.
+ */
+ BanCacheManager *BanCache;
+
+ /** Stats class, holds miscellaneous stats counters
+ */
+ serverstats* stats;
+
+ /** Server Config class, holds configuration file data
+ */
+ ServerConfig* Config;
+
+ /** Snomask manager - handles routing of snomask messages
+ * to opers.
+ */
+ SnomaskManager* SNO;
+
+ /** DNS class, provides resolver facilities to the core and modules
+ */
+ DNS* Res;
+
+ /** Timer manager class, triggers Timer timer events
+ */
+ TimerManager* Timers;
+
+ /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
+ */
+ XLineManager* XLines;
+
+ /** User manager. Various methods and data associated with users.
+ */
+ UserManager *Users;
+
+ /** Channel list, a hash_map containing all channels XXX move to channel manager class
+ */
+ chan_hash* chanlist;
+
+ /** List of the open ports
+ */
+ std::vector<ListenSocket*> ports;
+
+ /** Set to the current signal recieved
+ */
+ static sig_atomic_t s_signal;
+
+ /** Protocol interface, overridden by server protocol modules
+ */
+ ProtocolInterface* PI;
+
+ /** Holds extensible for user nickforced
+ */
+ LocalIntExt NICKForced;
+
+ /** Holds extensible for user operquit
+ */
+ LocalStringExt OperQuit;
+
+ /** Get the current time
+ * Because this only calls time() once every time around the mainloop,
+ * it is much faster than calling time() directly.
+ * @return The current time as an epoch value (time_t)
+ */
+ inline time_t Time() { return TIME.tv_sec; }
+ /** The fractional time at the start of this mainloop iteration (nanoseconds) */
+ inline long Time_ns() { return TIME.tv_nsec; }
+ /** Update the current time. Don't call this unless you have reason to do so. */
+ void UpdateTime();
+
+ /** Generate a random string with the given length
+ * @param length The length in bytes
+ * @param printable if false, the string will use characters 0-255; otherwise,
+ * it will be limited to 0x30-0x7E ('0'-'~', nonspace printable characters)
+ */
+ std::string GenRandomStr(int length, bool printable = true);
+ /** Generate a random integer.
+ * This is generally more secure than rand()
+ */
+ unsigned long GenRandomInt(unsigned long max);
+
+ /** Fill a buffer with random bits */
+ caller2<void, char*, size_t> GenRandom;
+
+ /** Bind all ports specified in the configuration file.
+ * @return The number of ports bound without error
+ */
+ int BindPorts(FailedPortList &failed_ports);
+
+ /** Binds a socket on an already open file descriptor
+ * @param sockfd A valid file descriptor of an open socket
+ * @param port The port number to bind to
+ * @param addr The address to bind to (IP only)
+ * @param dolisten Should this port be listened on?
+ * @return True if the port was bound successfully
+ */
+ bool BindSocket(int sockfd, int port, const char* addr, bool dolisten = true);
+
+ /** Gets the GECOS (description) field of the given server.
+ * If the servername is not that of the local server, the name
+ * is passed to handling modules which will attempt to determine
+ * the GECOS that bleongs to the given servername.
+ * @param servername The servername to find the description of
+ * @return The description of this server, or of the local server
+ */
+ std::string GetServerDescription(const std::string& servername);
+
+ /** Find a user in the nick hash.
+ * If the user cant be found in the nick hash check the uuid hash
+ * @param nick The nickname to find
+ * @return A pointer to the user, or NULL if the user does not exist
+ */
+ User* FindNick(const std::string &nick);
+
+ /** Find a user in the nick hash.
+ * If the user cant be found in the nick hash check the uuid hash
+ * @param nick The nickname to find
+ * @return A pointer to the user, or NULL if the user does not exist
+ */
+ User* FindNick(const char* nick);
+
+ /** Find a user in the nick hash ONLY
+ */
+ User* FindNickOnly(const char* nick);
+
+ /** Find a user in the nick hash ONLY
+ */
+ User* FindNickOnly(const std::string &nick);
+
+ /** Find a channel in the channels hash
+ * @param chan The channel to find
+ * @return A pointer to the channel, or NULL if the channel does not exist
+ */
+ Channel* FindChan(const std::string &chan);
+
+ /** Find a channel in the channels hash
+ * @param chan The channel to find
+ * @return A pointer to the channel, or NULL if the channel does not exist
+ */
+ Channel* FindChan(const char* chan);
+
+ /** Check we aren't running as root, and exit if we are
+ * @return Depending on the configuration, this function may never return
+ */
+ void CheckRoot();
+
+ /** Determine the right path for, and open, the logfile
+ * @param argv The argv passed to main() initially, used to calculate program path
+ * @param argc The argc passed to main() initially, used to calculate program path
+ * @return True if the log could be opened, false if otherwise
+ */
+ bool OpenLog(char** argv, int argc);
+
+ /** Return true if a channel name is valid
+ * @param chname A channel name to verify
+ * @return True if the name is valid
+ */
+ caller2<bool, const char*, size_t> IsChannel;
+
+ /** Return true if str looks like a server ID
+ * @param string to check against
+ */
+ caller1<bool, const std::string&> IsSID;
+
+ /** Rehash the local server
+ */
+ caller1<void, const std::string&> Rehash;
+
+ /** Handles incoming signals after being set
+ * @param signal the signal recieved
+ */
+ void SignalHandler(int signal);
+
+ /** Sets the signal recieved
+ * @param signal the signal recieved
+ */
+ static void SetSignal(int signal);
+
+ /** Causes the server to exit after unloading modules and
+ * closing all open file descriptors.
+ *
+ * @param status The exit code to give to the operating system
+ * (See the ExitStatus enum for valid values)
+ */
+ void Exit(int status);
+
+ /** Causes the server to exit immediately with exit code 0.
+ * The status code is required for signal handlers, and ignored.
+ */
+ static void QuickExit(int status);
+
+ /** Return a count of channels on the network
+ * @return The number of channels
+ */
+ long ChannelCount();
+
+ /** Send an error notice to all local users, opered and unopered
+ * @param s The error string to send
+ */
+ void SendError(const std::string &s);
+
+ /** Return true if a nickname is valid
+ * @param n A nickname to verify
+ * @return True if the nick is valid
+ */
+ caller2<bool, const char*, size_t> IsNick;
+
+ /** Return true if an ident is valid
+ * @param An ident to verify
+ * @return True if the ident is valid
+ */
+ caller1<bool, const char*> IsIdent;
+
+ /** Add a dns Resolver class to this server's active set
+ * @param r The resolver to add
+ * @param cached If this value is true, then the cache will
+ * be searched for the DNS result, immediately. If the value is
+ * false, then a request will be sent to the nameserver, and the
+ * result will not be immediately available. You should usually
+ * use the boolean value which you passed to the Resolver
+ * constructor, which Resolver will set appropriately depending
+ * on if cached results are available and haven't expired. It is
+ * however safe to force this value to false, forcing a remote DNS
+ * lookup, but not an update of the cache.
+ * @return True if the operation completed successfully. Note that
+ * if this method returns true, you should not attempt to access
+ * the resolver class you pass it after this call, as depending upon
+ * the request given, the object may be deleted!
+ */
+ bool AddResolver(Resolver* r, bool cached);
+
+ /** Add a command to this server's command parser
+ * @param f A Command command handler object to add
+ * @throw ModuleException Will throw ModuleExcption if the command already exists
+ */
+ inline void AddCommand(Command *f)
+ {
+ Modules->AddService(*f);
+ }
+
+ /** Send a modechange.
+ * The parameters provided are identical to that sent to the
+ * handler for class cmd_mode.
+ * @param parameters The mode parameters
+ * @param user The user to send error messages to
+ */
+ void SendMode(const std::vector<std::string>& parameters, User *user);
+
+ /** Send a modechange and route it to the network.
+ * The parameters provided are identical to that sent to the
+ * handler for class cmd_mode.
+ * @param parameters The mode parameters
+ * @param user The user to send error messages to
+ */
+ void SendGlobalMode(const std::vector<std::string>& parameters, User *user);
+
+ /** Match two strings using pattern matching, optionally, with a map
+ * to check case against (may be NULL). If map is null, match will be case insensitive.
+ * @param str The literal string to match against
+ * @param mask The glob pattern to match against.
+ * @param map The character map to use when matching.
+ */
+ static bool Match(const std::string &str, const std::string &mask, unsigned const char *map = NULL);
+ static bool Match(const char *str, const char *mask, unsigned const char *map = NULL);
+
+ /** Match two strings using pattern matching, optionally, with a map
+ * to check case against (may be NULL). If map is null, match will be case insensitive.
+ * Supports CIDR patterns as well as globs.
+ * @param str The literal string to match against
+ * @param mask The glob or CIDR pattern to match against.
+ * @param map The character map to use when matching.
+ */
+ static bool MatchCIDR(const std::string &str, const std::string &mask, unsigned const char *map = NULL);
+ static bool MatchCIDR(const char *str, const char *mask, unsigned const char *map = NULL);
+
+ /** Call the handler for a given command.
+ * @param commandname The command whos handler you wish to call
+ * @param parameters The mode parameters
+ * @param user The user to execute the command as
+ * @return True if the command handler was called successfully
+ */
+ CmdResult CallCommandHandler(const std::string &commandname, const std::vector<std::string>& parameters, User* user);
+
+ /** Return true if the command is a module-implemented command and the given parameters are valid for it
+ * @param commandname The command name to check
+ * @param pcnt The parameter count
+ * @param user The user to test-execute the command as
+ * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
+ */
+ bool IsValidModuleCommand(const std::string &commandname, int pcnt, User* user);
+
+ /** Return true if the given parameter is a valid nick!user\@host mask
+ * @param mask A nick!user\@host masak to match against
+ * @return True i the mask is valid
+ */
+ bool IsValidMask(const std::string &mask);
+
+ /** Strips all color codes from the given string
+ * @param sentence The string to strip from
+ */
+ static void StripColor(std::string &sentence);
+
+ /** Parses color codes from string values to actual color codes
+ * @param input The data to process
+ */
+ static void ProcessColors(file_cache& input);
+
+ /** Rehash the local server
+ */
+ void RehashServer();
+
+ /** Check if the given nickmask matches too many users, send errors to the given user
+ * @param nick A nickmask to match against
+ * @param user A user to send error text to
+ * @return True if the nick matches too many users
+ */
+ bool NickMatchesEveryone(const std::string &nick, User* user);
+
+ /** Check if the given IP mask matches too many users, send errors to the given user
+ * @param ip An ipmask to match against
+ * @param user A user to send error text to
+ * @return True if the ip matches too many users
+ */
+ bool IPMatchesEveryone(const std::string &ip, User* user);
+
+ /** Check if the given hostmask matches too many users, send errors to the given user
+ * @param mask A hostmask to match against
+ * @param user A user to send error text to
+ * @return True if the host matches too many users
+ */
+ bool HostMatchesEveryone(const std::string &mask, User* user);
+
+ /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
+ * @param str A string containing a time in the form 1y2w3d4h6m5s
+ * (one year, two weeks, three days, four hours, six minutes and five seconds)
+ * @return The total number of seconds
+ */
+ long Duration(const std::string &str);
+
+ /** Attempt to compare a password to a string from the config file.
+ * This will be passed to handling modules which will compare the data
+ * against possible hashed equivalents in the input string.
+ * @param ex The object (user, server, whatever) causing the comparison.
+ * @param data The data from the config file
+ * @param input The data input by the oper
+ * @param hashtype The hash from the config file
+ * @return 0 if the strings match, 1 or -1 if they do not
+ */
+ int PassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype);
+
+ /** Check if a given server is a uline.
+ * An empty string returns true, this is by design.
+ * @param server The server to check for uline status
+ * @return True if the server is a uline OR the string is empty
+ */
+ bool ULine(const std::string& server);
+
+ /** Returns true if the uline is 'silent' (doesnt generate
+ * remote connect notices etc).
+ */
+ bool SilentULine(const std::string& server);
+
+ /** Returns the full version string of this ircd
+ * @return The version string
+ */
+ std::string GetVersionString(bool rawversion = false);
+
+ /** Attempt to write the process id to a given file
+ * @param filename The PID file to attempt to write to
+ * @return This function may bail if the file cannot be written
+ */
+ void WritePID(const std::string &filename);
+
+ /** This constructor initialises all the subsystems and reads the config file.
+ * @param argc The argument count passed to main()
+ * @param argv The argument list passed to main()
+ * @throw <anything> If anything is thrown from here and makes it to
+ * you, you should probably just give up and go home. Yes, really.
+ * It's that bad. Higher level classes should catch any non-fatal exceptions.
+ */
+ InspIRCd(int argc, char** argv);
+
+ /** Send a line of WHOIS data to a user.
+ * @param user user to send the line to
+ * @param dest user being WHOISed
+ * @param numeric Numeric to send
+ * @param text Text of the numeric
+ */
+ void SendWhoisLine(User* user, User* dest, int numeric, const std::string &text);
+
+ /** Send a line of WHOIS data to a user.
+ * @param user user to send the line to
+ * @param dest user being WHOISed
+ * @param numeric Numeric to send
+ * @param format Format string for the numeric
+ * @param ... Parameters for the format string
+ */
+ void SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...) CUSTOM_PRINTF(5, 6);
+
+ /** Handle /WHOIS
+ */
+ void DoWhois(User* user, User* dest,unsigned long signon, unsigned long idle, const char* nick);
+
+ /** Quit a user for excess flood, and if they are not
+ * fully registered yet, temporarily zline their IP.
+ * @param current user to quit
+ */
+ caller1<void, User*> FloodQuitUser;
+
+ /** Called to check whether a channel restriction mode applies to a user
+ * @param User that is attempting some action
+ * @param Channel that the action is being performed on
+ * @param Action name
+ */
+ caller3<ModResult, User*, Channel*, const std::string&> OnCheckExemption;
+
+ /** Restart the server.
+ * This function will not return. If an error occurs,
+ * it will throw an instance of CoreException.
+ * @param reason The restart reason to show to all clients
+ * @throw CoreException An instance of CoreException indicating the error from execv().
+ */
+ void Restart(const std::string &reason);
+
+ /** Prepare the ircd for restart or shutdown.
+ * This function unloads all modules which can be unloaded,
+ * closes all open sockets, and closes the logfile.
+ */
+ void Cleanup();
+
+ /** This copies the user and channel hash_maps into new hash maps.
+ * This frees memory used by the hash_map allocator (which it neglects
+ * to free, most of the time, using tons of ram)
+ */
+ void RehashUsersAndChans();
+
+ /** Resets the cached max bans value on all channels.
+ * Called by rehash.
+ */
+ void ResetMaxBans();
+
+ /** Return a time_t as a human-readable string.
+ */
+ std::string TimeString(time_t curtime);
+
+ /** Begin execution of the server.
+ * NOTE: this function NEVER returns. Internally,
+ * it will repeatedly loop.
+ * @return The return value for this function is undefined.
+ */
+ int Run();
+
+ /** Adds an extban char to the 005 token.
+ */
+ void AddExtBanChar(char c);
+
+ char* GetReadBuffer()
+ {
+ return this->ReadBuffer;
+ }
+
+ friend class TestSuite;
+};
+
+ENTRYPOINT;
+
+template<class Cmd>
+class CommandModule : public Module
+{
+ Cmd cmd;
+ public:
+ CommandModule() : cmd(this)
+ {
+ }
+
+ void init()
+ {
+ ServerInstance->Modules->AddService(cmd);
+ }
+
+ Version GetVersion()
+ {
+ return Version(cmd.name, VF_VENDOR|VF_CORE);
+ }
+};
+
+#endif
projects / user / henk / code / inspircd.git / blobdiff