1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 #ifndef __INSPIRCD_H__
15 #define __INSPIRCD_H__
20 #define printf_c printf
22 #include "inspircd_win32wrapper.h"
23 /** Windows defines these already */
31 #include "inspircd_config.h"
36 #include "socketengine.h"
37 #include "command_parse.h"
39 #include "cull_list.h"
40 #include "filelogger.h"
44 * Used to define the maximum number of parameters a command may have.
46 #define MAXPARAMETERS 127
48 /** Returned by some functions to indicate failure.
52 /** Support for librodent -
53 * see http://www.chatspike.net/index.php?z=64
55 #define ETIREDHAMSTERS EAGAIN
57 /** Delete a pointer, and NULL its value
59 template<typename T> inline void DELETE(T* x)
65 /** Template function to convert any input type to std::string
67 template<typename T> inline std::string ConvNumeric(const T &in)
69 if (in == 0) return "0";
74 *out = "0123456789"[ std::abs( (long)quotient % 10 ) ];
81 std::reverse(res,out);
85 /** Template function to convert any input type to std::string
87 inline std::string ConvToStr(const int in)
89 return ConvNumeric(in);
92 /** Template function to convert any input type to std::string
94 inline std::string ConvToStr(const long in)
96 return ConvNumeric(in);
99 /** Template function to convert any input type to std::string
101 inline std::string ConvToStr(const unsigned long in)
103 return ConvNumeric(in);
106 /** Template function to convert any input type to std::string
108 inline std::string ConvToStr(const char* in)
113 /** Template function to convert any input type to std::string
115 inline std::string ConvToStr(const bool in)
117 return (in ? "1" : "0");
120 /** Template function to convert any input type to std::string
122 inline std::string ConvToStr(char in)
124 return std::string(in,1);
127 /** Template function to convert any input type to std::string
129 template <class T> inline std::string ConvToStr(const T &in)
131 std::stringstream tmp;
132 if (!(tmp << in)) return std::string();
136 /** Template function to convert any input type to any other type
137 * (usually an integer or numeric type)
139 template<typename T> inline long ConvToInt(const T &in)
141 std::stringstream tmp;
142 if (!(tmp << in)) return 0;
143 return atoi(tmp.str().c_str());
146 /** Template function to convert integer to char, storing result in *res and
147 * also returning the pointer to res. Based on Stuart Lowe's C/C++ Pages.
148 * @param T input value
149 * @param V result value
150 * @param R base to convert to
152 template<typename T, typename V, typename R> inline char* itoa(const T &in, V *res, R base)
154 if (base < 2 || base > 16) { *res = 0; return res; }
158 *out = "0123456789abcdef"[ std::abs( quotient % base ) ];
162 if ( in < 0 && base == 10) *out++ = '-';
163 std::reverse( res, out );
168 /** This class contains various STATS counters
169 * It is used by the InspIRCd class, which internally
170 * has an instance of it.
172 class serverstats : public classbase
175 /** Number of accepted connections
177 unsigned long statsAccept;
178 /** Number of failed accepts
180 unsigned long statsRefused;
181 /** Number of unknown commands seen
183 unsigned long statsUnknown;
184 /** Number of nickname collisions handled
186 unsigned long statsCollisions;
187 /** Number of DNS queries sent out
189 unsigned long statsDns;
190 /** Number of good DNS replies received
191 * NOTE: This may not tally to the number sent out,
192 * due to timeouts and other latency issues.
194 unsigned long statsDnsGood;
195 /** Number of bad (negative) DNS replies received
196 * NOTE: This may not tally to the number sent out,
197 * due to timeouts and other latency issues.
199 unsigned long statsDnsBad;
200 /** Number of inbound connections seen
202 unsigned long statsConnects;
203 /** Total bytes of data transmitted
206 /** Total bytes of data received
209 /** Cpu usage at last sample
212 /** Time last sample was read
215 /** The constructor initializes all the counts to zero
218 : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
219 statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0.0), statsRecv(0.0)
224 /** A list of failed port bindings, used for informational purposes on startup */
225 typedef std::vector<std::pair<std::string, long> > FailedPortList;
227 /** A list of ip addresses cross referenced against clone counts */
228 typedef std::map<irc::string, unsigned int> clonemap;
232 DEFINE_HANDLER1(ProcessUserHandler, void, userrec*);
233 DEFINE_HANDLER1(IsNickHandler, bool, const char*);
234 DEFINE_HANDLER1(IsIdentHandler, bool, const char*);
235 DEFINE_HANDLER1(FindDescriptorHandler, userrec*, int);
236 DEFINE_HANDLER1(FloodQuitUserHandler, void, userrec*);
238 /* Forward declaration - required */
241 /** The main class of the irc server.
242 * This class contains instances of all the other classes
243 * in this software, with the exception of the base class,
244 * classbase. Amongst other things, it contains a ModeParser,
245 * a DNS object, a CommandParser object, and a list of active
246 * Module objects, and facilities for Module objects to
247 * interact with the core system it implements. You should
248 * NEVER attempt to instantiate a class of type InspIRCd
249 * yourself. If you do, this is equivalent to spawning a second
250 * IRC server, and could have catastrophic consequences for the
251 * program in terms of ram usage (basically, you could create
252 * an obese forkbomb built from recursively spawning irc servers!)
254 class CoreExport InspIRCd : public classbase
257 /** Holds a string describing the last module error to occur
261 /** Remove a ModuleFactory pointer
262 * @param j Index number of the ModuleFactory to remove
264 void EraseFactory(int j);
266 /** Remove a Module pointer
267 * @param j Index number of the Module to remove
269 void EraseModule(int j);
271 /** Move a given module to a specific slot in the list
272 * @param modulename The module name to relocate
273 * @param slot The slot to move the module into
275 void MoveTo(std::string modulename,int slot);
277 /** Set up the signal handlers
281 /** Daemonize the ircd and close standard input/output streams
282 * @return True if the program daemonized succesfully
286 /** Moves the given module to the last slot in the list
287 * @param modulename The module name to relocate
289 void MoveToLast(std::string modulename);
291 /** Moves the given module to the first slot in the list
292 * @param modulename The module name to relocate
294 void MoveToFirst(std::string modulename);
296 /** Moves one module to be placed after another in the list
297 * @param modulename The module name to relocate
298 * @param after The module name to place the module after
300 void MoveAfter(std::string modulename, std::string after);
302 /** Moves one module to be placed before another in the list
303 * @param modulename The module name to relocate
304 * @param after The module name to place the module before
306 void MoveBefore(std::string modulename, std::string before);
308 /** Iterate the list of InspSocket objects, removing ones which have timed out
309 * @param TIME the current time
311 void DoSocketTimeouts(time_t TIME);
313 /** Perform background user events such as PING checks
314 * @param TIME the current time
316 void DoBackgroundUserStuff(time_t TIME);
318 /** Returns true when all modules have done pre-registration checks on a user
319 * @param user The user to verify
320 * @return True if all modules have finished checking this user
322 bool AllModulesReportReady(userrec* user);
324 /** Total number of modules loaded into the ircd, minus one
328 /** Logfile pathname specified on the commandline, or empty string
330 char LogFileName[MAXBUF];
332 /** The feature names published by various modules
334 featurelist Features;
336 /** The interface names published by various modules
338 interfacelist Interfaces;
340 /** The current time, updated in the mainloop
344 /** The time that was recorded last time around the mainloop
348 /** A 64k buffer used to read client lines into
350 char ReadBuffer[65535];
352 /** Used when connecting clients
354 insp_sockaddr client, server;
356 /** Used when connecting clients
360 /** Nonblocking file writer
364 /** Time offset in seconds
365 * This offset is added to all calls to Time(). Use SetTimeDelta() to update
375 /** Global cull list, will be processed on next iteration
377 CullList GlobalCulls;
382 ProcessUserHandler HandleProcessUser;
383 IsNickHandler HandleIsNick;
384 IsIdentHandler HandleIsIdent;
385 FindDescriptorHandler HandleFindDescriptor;
386 FloodQuitUserHandler HandleFloodQuitUser;
388 /** InspSocket classes pending deletion after being closed.
389 * We don't delete these immediately as this may cause a segmentation fault.
391 std::map<InspSocket*,InspSocket*> SocketCull;
393 /** Build the ISUPPORT string by triggering all modules On005Numeric events
395 void BuildISupport();
397 /** Number of unregistered users online right now.
398 * (Unregistered means before USER/NICK/dns)
400 int unregistered_count;
402 /** List of server names we've seen.
404 servernamelist servernames;
406 /** Time this ircd was booted
410 /** Config file pathname specified on the commandline or via ./configure
412 char ConfigFileName[MAXBUF];
414 /** Mode handler, handles mode setting and removal
418 /** Command parser, handles client to server commands
420 CommandParser* Parser;
422 /** Socket engine, handles socket activity events
426 /** Stats class, holds miscellaneous stats counters
430 /** Server Config class, holds configuration file data
432 ServerConfig* Config;
434 /** Snomask manager - handles routing of snomask messages
439 /** Client list, a hash_map containing all clients, local and remote
441 user_hash* clientlist;
443 /** Channel list, a hash_map containing all channels
447 /** Local client list, a vector containing only local clients
449 std::vector<userrec*> local_users;
451 /** Oper list, a vector containing all local and remote opered users
453 std::vector<userrec*> all_opers;
455 /** Map of local ip addresses for clone counting
457 clonemap local_clones;
459 /** Map of global ip addresses for clone counting
461 clonemap global_clones;
463 /** DNS class, provides resolver facilities to the core and modules
467 /** Timer manager class, triggers InspTimer timer events
469 TimerManager* Timers;
471 /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
473 XLineManager* XLines;
475 /** A list of Module* module classes
476 * Note that this list is always exactly 255 in size.
477 * The actual number of loaded modules is available from GetModuleCount()
481 /** A list of ModuleFactory* module factories
482 * Note that this list is always exactly 255 in size.
483 * The actual number of loaded modules is available from GetModuleCount()
487 /** The time we next call our ping timeout and reg timeout checks
491 /** Set to the current signal recieved
495 /** Get the current time
496 * Because this only calls time() once every time around the mainloop,
497 * it is much faster than calling time() directly.
498 * @param delta True to use the delta as an offset, false otherwise
499 * @return The current time as an epoch value (time_t)
501 time_t Time(bool delta = false);
503 /** Set the time offset in seconds
504 * This offset is added to Time() to offset the system time by the specified
506 * @param delta The number of seconds to offset
507 * @return The old time delta
509 int SetTimeDelta(int delta);
511 /** Add a user to the local clone map
512 * @param user The user to add
514 void AddLocalClone(userrec* user);
516 /** Add a user to the global clone map
517 * @param user The user to add
519 void AddGlobalClone(userrec* user);
521 /** Number of users with a certain mode set on them
523 int ModeCount(const char mode);
525 /** Get the time offset in seconds
526 * @return The current time delta (in seconds)
530 /** Process a user whos socket has been flagged as active
531 * @param cu The user to process
532 * @return There is no actual return value, however upon exit, the user 'cu' may have been
533 * marked for deletion in the global CullList.
535 caller1<void, userrec*> ProcessUser;
537 /** Get the total number of currently loaded modules
538 * @return The number of loaded modules
540 int GetModuleCount();
542 /** Find a module by name, and return a Module* to it.
543 * This is preferred over iterating the module lists yourself.
544 * @param name The module name to look up
545 * @return A pointer to the module, or NULL if the module cannot be found
547 Module* FindModule(const std::string &name);
549 /** Bind all ports specified in the configuration file.
550 * @param bail True if the function should bail back to the shell on failure
551 * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound
552 * @return The number of ports actually bound without error
554 int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports);
556 /** Binds a socket on an already open file descriptor
557 * @param sockfd A valid file descriptor of an open socket
558 * @param port The port number to bind to
559 * @param addr The address to bind to (IP only)
560 * @return True if the port was bound successfully
562 bool BindSocket(int sockfd, int port, char* addr, bool dolisten = true);
564 /** Adds a server name to the list of servers we've seen
565 * @param The servername to add
567 void AddServerName(const std::string &servername);
569 /** Finds a cached char* pointer of a server name,
570 * This is used to optimize userrec by storing only the pointer to the name
571 * @param The servername to find
572 * @return A pointer to this name, gauranteed to never become invalid
574 const char* FindServerNamePtr(const std::string &servername);
576 /** Returns true if we've seen the given server name before
577 * @param The servername to find
578 * @return True if we've seen this server name before
580 bool FindServerName(const std::string &servername);
582 /** Gets the GECOS (description) field of the given server.
583 * If the servername is not that of the local server, the name
584 * is passed to handling modules which will attempt to determine
585 * the GECOS that bleongs to the given servername.
586 * @param servername The servername to find the description of
587 * @return The description of this server, or of the local server
589 std::string GetServerDescription(const char* servername);
591 /** Write text to all opers connected to this server
592 * @param text The text format string
593 * @param ... Format args
595 void WriteOpers(const char* text, ...);
597 /** Write text to all opers connected to this server
598 * @param text The text to send
600 void WriteOpers(const std::string &text);
602 /** Find a nickname in the nick hash
603 * @param nick The nickname to find
604 * @return A pointer to the user, or NULL if the user does not exist
606 userrec* FindNick(const std::string &nick);
608 /** Find a nickname in the nick hash
609 * @param nick The nickname to find
610 * @return A pointer to the user, or NULL if the user does not exist
612 userrec* FindNick(const char* nick);
614 /** Find a channel in the channels hash
615 * @param chan The channel to find
616 * @return A pointer to the channel, or NULL if the channel does not exist
618 chanrec* FindChan(const std::string &chan);
620 /** Find a channel in the channels hash
621 * @param chan The channel to find
622 * @return A pointer to the channel, or NULL if the channel does not exist
624 chanrec* FindChan(const char* chan);
626 /** Called by the constructor to load all modules from the config file.
628 void LoadAllModules();
630 /** Check for a 'die' tag in the config file, and abort if found
631 * @return Depending on the configuration, this function may never return
635 /** Check we aren't running as root, and exit if we are
636 * @return Depending on the configuration, this function may never return
640 /** Determine the right path for, and open, the logfile
641 * @param argv The argv passed to main() initially, used to calculate program path
642 * @param argc The argc passed to main() initially, used to calculate program path
644 void OpenLog(char** argv, int argc);
646 /** Close the currently open log file
650 /** Send a server notice to all local users
651 * @param text The text format string to send
652 * @param ... The format arguments
654 void ServerNoticeAll(char* text, ...);
656 /** Send a server message (PRIVMSG) to all local users
657 * @param text The text format string to send
658 * @param ... The format arguments
660 void ServerPrivmsgAll(char* text, ...);
662 /** Send text to all users with a specific set of modes
663 * @param modes The modes to check against, without a +, e.g. 'og'
664 * @param flags one of WM_OR or WM_AND. If you specify WM_OR, any one of the
665 * mode characters in the first parameter causes receipt of the message, and
666 * if you specify WM_OR, all the modes must be present.
667 * @param text The text format string to send
668 * @param ... The format arguments
670 void WriteMode(const char* modes, int flags, const char* text, ...);
672 /** Return true if a channel name is valid
673 * @param chname A channel name to verify
674 * @return True if the name is valid
676 bool IsChannel(const char *chname);
678 /** Rehash the local server
682 /** Handles incoming signals after being set
683 * @param signal the signal recieved
685 void SignalHandler(int signal);
687 /** Sets the signal recieved
688 * @param signal the signal recieved
690 static void SetSignal(int signal);
692 /** Causes the server to exit after unloading modules and
693 * closing all open file descriptors.
695 * @param The exit code to give to the operating system
696 * (See the ExitStatus enum for valid values)
698 void Exit(int status);
700 /** Causes the server to exit immediately with exit code 0.
701 * The status code is required for signal handlers, and ignored.
703 static void QuickExit(int status);
705 /** Return a count of users, unknown and known connections
706 * @return The number of users
710 /** Return a count of fully registered connections only
711 * @return The number of registered users
713 int RegisteredUserCount();
715 /** Return a count of invisible (umode +i) users only
716 * @return The number of invisible users
718 int InvisibleUserCount();
720 /** Return a count of opered (umode +o) users only
721 * @return The number of opers
725 /** Return a count of unregistered (before NICK/USER) users only
726 * @return The number of unregistered (unknown) connections
728 int UnregisteredUserCount();
730 /** Return a count of channels on the network
731 * @return The number of channels
735 /** Return a count of local users on this server only
736 * @return The number of local users
738 long LocalUserCount();
740 /** Send an error notice to all local users, opered and unopered
741 * @param s The error string to send
743 void SendError(const std::string &s);
745 /** For use with Module::Prioritize().
746 * When the return value of this function is returned from
747 * Module::Prioritize(), this specifies that the module wishes
748 * to be ordered exactly BEFORE 'modulename'. For more information
749 * please see Module::Prioritize().
750 * @param modulename The module your module wants to be before in the call list
751 * @returns a priority ID which the core uses to relocate the module in the list
753 long PriorityBefore(const std::string &modulename);
755 /** For use with Module::Prioritize().
756 * When the return value of this function is returned from
757 * Module::Prioritize(), this specifies that the module wishes
758 * to be ordered exactly AFTER 'modulename'. For more information please
759 * see Module::Prioritize().
760 * @param modulename The module your module wants to be after in the call list
761 * @returns a priority ID which the core uses to relocate the module in the list
763 long PriorityAfter(const std::string &modulename);
765 /** Publish a 'feature'.
766 * There are two ways for a module to find another module it depends on.
767 * Either by name, using InspIRCd::FindModule, or by feature, using this
768 * function. A feature is an arbitary string which identifies something this
769 * module can do. For example, if your module provides SSL support, but other
770 * modules provide SSL support too, all the modules supporting SSL should
771 * publish an identical 'SSL' feature. This way, any module requiring use
772 * of SSL functions can just look up the 'SSL' feature using FindFeature,
773 * then use the module pointer they are given.
774 * @param FeatureName The case sensitive feature name to make available
775 * @param Mod a pointer to your module class
776 * @returns True on success, false if the feature is already published by
779 bool PublishFeature(const std::string &FeatureName, Module* Mod);
781 /** Publish a module to an 'interface'.
782 * Modules which implement the same interface (the same way of communicating
783 * with other modules) can publish themselves to an interface, using this
784 * method. When they do so, they become part of a list of related or
785 * compatible modules, and a third module may then query for that list
786 * and know that all modules within that list offer the same API.
787 * A prime example of this is the hashing modules, which all accept the
788 * same types of Request class. Consider this to be similar to PublishFeature,
789 * except for that multiple modules may publish the same 'feature'.
790 * @param InterfaceName The case sensitive interface name to make available
791 * @param Mod a pointer to your module class
792 * @returns True on success, false on failure (there are currently no failure
795 bool PublishInterface(const std::string &InterfaceName, Module* Mod);
797 /** Return a pair saying how many other modules are currently using the
798 * interfaces provided by module m.
799 * @param m The module to count usage for
800 * @return A pair, where the first value is the number of uses of the interface,
801 * and the second value is the interface name being used.
803 std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
805 /** Mark your module as using an interface.
806 * If you mark your module as using an interface, then that interface
807 * module may not unload until your module has unloaded first.
808 * This can be used to prevent crashes by ensuring code you depend on
809 * is always in memory while your module is active.
810 * @param InterfaceName The interface to use
812 void UseInterface(const std::string &InterfaceName);
814 /** Mark your module as finished with an interface.
815 * If you used UseInterface() above, you should use this method when
816 * your module is finished with the interface (usually in its destructor)
817 * to allow the modules which implement the given interface to be unloaded.
818 * @param InterfaceName The interface you are finished with using.
820 void DoneWithInterface(const std::string &InterfaceName);
822 /** Unpublish a 'feature'.
823 * When your module exits, it must call this method for every feature it
824 * is providing so that the feature table is cleaned up.
825 * @param FeatureName the feature to remove
827 bool UnpublishFeature(const std::string &FeatureName);
829 /** Unpublish your module from an interface
830 * When your module exits, it must call this method for every interface
831 * it is part of so that the interfaces table is cleaned up. Only when
832 * the last item is deleted from an interface does the interface get
834 * @param InterfaceName the interface to be removed from
835 * @param Mod The module to remove from the interface list
837 bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
839 /** Find a 'feature'.
840 * There are two ways for a module to find another module it depends on.
841 * Either by name, using InspIRCd::FindModule, or by feature, using the
842 * InspIRCd::PublishFeature method. A feature is an arbitary string which
843 * identifies something this module can do. For example, if your module
844 * provides SSL support, but other modules provide SSL support too, all
845 * the modules supporting SSL should publish an identical 'SSL' feature.
846 * To find a module capable of providing the feature you want, simply
847 * call this method with the feature name you are looking for.
848 * @param FeatureName The feature name you wish to obtain the module for
849 * @returns A pointer to a valid module class on success, NULL on failure.
851 Module* FindFeature(const std::string &FeatureName);
853 /** Find an 'interface'.
854 * An interface is a list of modules which all implement the same API.
855 * @param InterfaceName The Interface you wish to obtain the module
857 * @return A pointer to a deque of Module*, or NULL if the interface
860 modulelist* FindInterface(const std::string &InterfaceName);
862 /** Given a pointer to a Module, return its filename
863 * @param m The module pointer to identify
864 * @return The module name or an empty string
866 const std::string& GetModuleName(Module* m);
868 /** Return true if a nickname is valid
869 * @param n A nickname to verify
870 * @return True if the nick is valid
872 caller1<bool, const char*> IsNick;
874 /** Return true if an ident is valid
875 * @param An ident to verify
876 * @return True if the ident is valid
878 caller1<bool, const char*> IsIdent;
880 /** Find a username by their file descriptor.
881 * It is preferred to use this over directly accessing the fd_ref_table array.
882 * @param socket The file descriptor of a user
883 * @return A pointer to the user if the user exists locally on this descriptor
885 caller1<userrec*, int> FindDescriptor;
887 /** Add a new mode to this server's mode parser
888 * @param mh The modehandler to add
889 * @param modechar The mode character this modehandler handles
890 * @return True if the mode handler was added
892 bool AddMode(ModeHandler* mh, const unsigned char modechar);
894 /** Add a new mode watcher to this server's mode parser
895 * @param mw The modewatcher to add
896 * @return True if the modewatcher was added
898 bool AddModeWatcher(ModeWatcher* mw);
900 /** Delete a mode watcher from this server's mode parser
901 * @param mw The modewatcher to delete
902 * @return True if the modewatcher was deleted
904 bool DelModeWatcher(ModeWatcher* mw);
906 /** Add a dns Resolver class to this server's active set
907 * @param r The resolver to add
908 * @param cached If this value is true, then the cache will
909 * be searched for the DNS result, immediately. If the value is
910 * false, then a request will be sent to the nameserver, and the
911 * result will not be immediately available. You should usually
912 * use the boolean value which you passed to the Resolver
913 * constructor, which Resolver will set appropriately depending
914 * on if cached results are available and haven't expired. It is
915 * however safe to force this value to false, forcing a remote DNS
916 * lookup, but not an update of the cache.
917 * @return True if the operation completed successfully. Note that
918 * if this method returns true, you should not attempt to access
919 * the resolver class you pass it after this call, as depending upon
920 * the request given, the object may be deleted!
922 bool AddResolver(Resolver* r, bool cached);
924 /** Add a command to this server's command parser
925 * @param f A command_t command handler object to add
926 * @throw ModuleException Will throw ModuleExcption if the command already exists
928 void AddCommand(command_t *f);
930 /** Send a modechange.
931 * The parameters provided are identical to that sent to the
932 * handler for class cmd_mode.
933 * @param parameters The mode parameters
934 * @param pcnt The number of items you have given in the first parameter
935 * @param user The user to send error messages to
937 void SendMode(const char **parameters, int pcnt, userrec *user);
939 /** Match two strings using pattern matching.
940 * This operates identically to the global function match(),
941 * except for that it takes std::string arguments rather than
943 * @param sliteral The literal string to match against
944 * @param spattern The pattern to match against. CIDR and globs are supported.
946 bool MatchText(const std::string &sliteral, const std::string &spattern);
948 /** Call the handler for a given command.
949 * @param commandname The command whos handler you wish to call
950 * @param parameters The mode parameters
951 * @param pcnt The number of items you have given in the first parameter
952 * @param user The user to execute the command as
953 * @return True if the command handler was called successfully
955 CmdResult CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
957 /** Return true if the command is a module-implemented command and the given parameters are valid for it
958 * @param parameters The mode parameters
959 * @param pcnt The number of items you have given in the first parameter
960 * @param user The user to test-execute the command as
961 * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
963 bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
965 /** Add a gline and apply it
966 * @param duration How long the line should last
967 * @param source Who set the line
968 * @param reason The reason for the line
969 * @param hostmask The hostmask to set the line against
971 void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
973 /** Add a qline and apply it
974 * @param duration How long the line should last
975 * @param source Who set the line
976 * @param reason The reason for the line
977 * @param nickname The nickmask to set the line against
979 void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
981 /** Add a zline and apply it
982 * @param duration How long the line should last
983 * @param source Who set the line
984 * @param reason The reason for the line
985 * @param ipaddr The ip-mask to set the line against
987 void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
989 /** Add a kline and apply it
990 * @param duration How long the line should last
991 * @param source Who set the line
992 * @param reason The reason for the line
993 * @param hostmask The hostmask to set the line against
995 void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
998 * @param duration How long the line should last
999 * @param source Who set the line
1000 * @param reason The reason for the line
1001 * @param hostmask The hostmask to set the line against
1003 void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
1006 * @param hostmask The gline to delete
1007 * @return True if the item was removed
1009 bool DelGLine(const std::string &hostmask);
1012 * @param nickname The qline to delete
1013 * @return True if the item was removed
1015 bool DelQLine(const std::string &nickname);
1018 * @param ipaddr The zline to delete
1019 * @return True if the item was removed
1021 bool DelZLine(const std::string &ipaddr);
1024 * @param hostmask The kline to delete
1025 * @return True if the item was removed
1027 bool DelKLine(const std::string &hostmask);
1030 * @param hostmask The kline to delete
1031 * @return True if the item was removed
1033 bool DelELine(const std::string &hostmask);
1035 /** Return true if the given parameter is a valid nick!user\@host mask
1036 * @param mask A nick!user\@host masak to match against
1037 * @return True i the mask is valid
1039 bool IsValidMask(const std::string &mask);
1041 /** Rehash the local server
1043 void RehashServer();
1045 /** Return the channel whos index number matches that provided
1046 * @param The index number of the channel to fetch
1047 * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount()
1049 chanrec* GetChannelIndex(long index);
1051 /** Dump text to a user target, splitting it appropriately to fit
1052 * @param User the user to dump the text to
1053 * @param LinePrefix text to prefix each complete line with
1054 * @param TextStream the text to send to the user
1056 void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
1058 /** Check if the given nickmask matches too many users, send errors to the given user
1059 * @param nick A nickmask to match against
1060 * @param user A user to send error text to
1061 * @return True if the nick matches too many users
1063 bool NickMatchesEveryone(const std::string &nick, userrec* user);
1065 /** Check if the given IP mask matches too many users, send errors to the given user
1066 * @param ip An ipmask to match against
1067 * @param user A user to send error text to
1068 * @return True if the ip matches too many users
1070 bool IPMatchesEveryone(const std::string &ip, userrec* user);
1072 /** Check if the given hostmask matches too many users, send errors to the given user
1073 * @param mask A hostmask to match against
1074 * @param user A user to send error text to
1075 * @return True if the host matches too many users
1077 bool HostMatchesEveryone(const std::string &mask, userrec* user);
1079 /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
1080 * @param str A string containing a time in the form 1y2w3d4h6m5s
1081 * (one year, two weeks, three days, four hours, six minutes and five seconds)
1082 * @return The total number of seconds
1084 long Duration(const std::string &str);
1086 /** Attempt to compare an oper password to a string from the config file.
1087 * This will be passed to handling modules which will compare the data
1088 * against possible hashed equivalents in the input string.
1089 * @param data The data from the config file
1090 * @param input The data input by the oper
1091 * @param tagnum the tag number of the oper's tag in the config file
1092 * @return 0 if the strings match, 1 or -1 if they do not
1094 int OperPassCompare(const char* data,const char* input, int tagnum);
1096 /** Check if a given server is a uline.
1097 * An empty string returns true, this is by design.
1098 * @param server The server to check for uline status
1099 * @return True if the server is a uline OR the string is empty
1101 bool ULine(const char* server);
1103 /** Returns true if the uline is 'silent' (doesnt generate
1104 * remote connect notices etc).
1106 bool SilentULine(const char* server);
1108 /** Returns the subversion revision ID of this ircd
1109 * @return The revision ID or an empty string
1111 std::string GetRevision();
1113 /** Returns the full version string of this ircd
1114 * @return The version string
1116 std::string GetVersionString();
1118 /** Attempt to write the process id to a given file
1119 * @param filename The PID file to attempt to write to
1120 * @return This function may bail if the file cannot be written
1122 void WritePID(const std::string &filename);
1124 /** Returns text describing the last module error
1125 * @return The last error message to occur
1127 char* ModuleError();
1129 /** Load a given module file
1130 * @param filename The file to load
1131 * @return True if the module was found and loaded
1133 bool LoadModule(const char* filename);
1135 /** Unload a given module file
1136 * @param filename The file to unload
1137 * @return True if the module was unloaded
1139 bool UnloadModule(const char* filename);
1141 /** This constructor initialises all the subsystems and reads the config file.
1142 * @param argc The argument count passed to main()
1143 * @param argv The argument list passed to main()
1144 * @throw <anything> If anything is thrown from here and makes it to
1145 * you, you should probably just give up and go home. Yes, really.
1146 * It's that bad. Higher level classes should catch any non-fatal exceptions.
1148 InspIRCd(int argc, char** argv);
1150 /** Do one iteration of the mainloop
1151 * @param process_module_sockets True if module sockets are to be processed
1152 * this time around the event loop. The is the default.
1154 void DoOneIteration(bool process_module_sockets = true);
1156 /** Output a log message to the ircd.log file
1157 * The text will only be output if the current loglevel
1158 * is less than or equal to the level you provide
1159 * @param level A log level from the DebugLevel enum
1160 * @param text Format string of to write to the log
1161 * @param ... Format arguments of text to write to the log
1163 void Log(int level, const char* text, ...);
1165 /** Output a log message to the ircd.log file
1166 * The text will only be output if the current loglevel
1167 * is less than or equal to the level you provide
1168 * @param level A log level from the DebugLevel enum
1169 * @param text Text to write to the log
1171 void Log(int level, const std::string &text);
1173 /** Send a line of WHOIS data to a user.
1174 * @param user user to send the line to
1175 * @param dest user being WHOISed
1176 * @param numeric Numeric to send
1177 * @param text Text of the numeric
1179 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text);
1181 /** Send a line of WHOIS data to a user.
1182 * @param user user to send the line to
1183 * @param dest user being WHOISed
1184 * @param numeric Numeric to send
1185 * @param format Format string for the numeric
1186 * @param ... Parameters for the format string
1188 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...);
1190 /** Quit a user for excess flood, and if they are not
1191 * fully registered yet, temporarily zline their IP.
1192 * @param current user to quit
1194 caller1<void, userrec*> FloodQuitUser;
1196 /** Restart the server.
1197 * This function will not return. If an error occurs,
1198 * it will throw an instance of CoreException.
1199 * @param reason The restart reason to show to all clients
1200 * @throw CoreException An instance of CoreException indicating the error from execv().
1202 void Restart(const std::string &reason);
1204 /** Prepare the ircd for restart or shutdown.
1205 * This function unloads all modules which can be unloaded,
1206 * closes all open sockets, and closes the logfile.
1210 /** This copies the user and channel hash_maps into new hash maps.
1211 * This frees memory used by the hash_map allocator (which it neglects
1212 * to free, most of the time, using tons of ram)
1214 void RehashUsersAndChans();
1216 /** Resets the cached max bans value on all channels.
1219 void ResetMaxBans();
1221 /** Return a time_t as a human-readable string.
1223 std::string TimeString(time_t curtime);
1225 /** Begin execution of the server.
1226 * NOTE: this function NEVER returns. Internally,
1227 * after performing some initialisation routines,
1228 * it will repeatedly call DoOneIteration in a loop.
1229 * @return The return value for this function is undefined.
1233 /** Force all InspSockets to be removed which are due to
1236 void InspSocketCull();
1238 char* GetReadBuffer()
1240 return this->ReadBuffer;