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"
43 * Used to define the maximum number of parameters a command may have.
45 #define MAXPARAMETERS 127
47 /** Returned by some functions to indicate failure.
51 /** Support for librodent -
52 * see http://www.chatspike.net/index.php?z=64
54 #define ETIREDHAMSTERS EAGAIN
57 * This define is used in place of strcmp when we
58 * want to check if a char* string contains only one
59 * letter. Pretty fast, its just two compares and an
62 #define IS_SINGLE(x,y) ( (*x == y) && (*(x+1) == 0) )
64 /** Delete a pointer, and NULL its value
66 template<typename T> inline void DELETE(T* x)
72 /** Template function to convert any input type to std::string
74 template<typename T> inline std::string ConvNumeric(const T &in)
76 if (in == 0) return "0";
81 *out = "0123456789"[ std::abs( (long)quotient % 10 ) ];
88 std::reverse(res,out);
92 /** Template function to convert any input type to std::string
94 inline std::string ConvToStr(const int in)
96 return ConvNumeric(in);
99 /** Template function to convert any input type to std::string
101 inline std::string ConvToStr(const long in)
103 return ConvNumeric(in);
106 /** Template function to convert any input type to std::string
108 inline std::string ConvToStr(const unsigned long in)
110 return ConvNumeric(in);
113 /** Template function to convert any input type to std::string
115 inline std::string ConvToStr(const char* in)
120 /** Template function to convert any input type to std::string
122 inline std::string ConvToStr(const bool in)
124 return (in ? "1" : "0");
127 /** Template function to convert any input type to std::string
129 inline std::string ConvToStr(char in)
131 return std::string(in,1);
134 /** Template function to convert any input type to std::string
136 template <class T> inline std::string ConvToStr(const T &in)
138 std::stringstream tmp;
139 if (!(tmp << in)) return std::string();
143 /** Template function to convert any input type to any other type
144 * (usually an integer or numeric type)
146 template<typename T> inline long ConvToInt(const T &in)
148 std::stringstream tmp;
149 if (!(tmp << in)) return 0;
150 return atoi(tmp.str().c_str());
153 /** Template function to convert integer to char, storing result in *res and
154 * also returning the pointer to res. Based on Stuart Lowe's C/C++ Pages.
155 * @param T input value
156 * @param V result value
157 * @param R base to convert to
159 template<typename T, typename V, typename R> inline char* itoa(const T &in, V *res, R base)
161 if (base < 2 || base > 16) { *res = 0; return res; }
165 *out = "0123456789abcdef"[ std::abs( quotient % base ) ];
169 if ( in < 0 && base == 10) *out++ = '-';
170 std::reverse( res, out );
175 /** This class contains various STATS counters
176 * It is used by the InspIRCd class, which internally
177 * has an instance of it.
179 class serverstats : public classbase
182 /** Number of accepted connections
184 unsigned long statsAccept;
185 /** Number of failed accepts
187 unsigned long statsRefused;
188 /** Number of unknown commands seen
190 unsigned long statsUnknown;
191 /** Number of nickname collisions handled
193 unsigned long statsCollisions;
194 /** Number of DNS queries sent out
196 unsigned long statsDns;
197 /** Number of good DNS replies received
198 * NOTE: This may not tally to the number sent out,
199 * due to timeouts and other latency issues.
201 unsigned long statsDnsGood;
202 /** Number of bad (negative) DNS replies received
203 * NOTE: This may not tally to the number sent out,
204 * due to timeouts and other latency issues.
206 unsigned long statsDnsBad;
207 /** Number of inbound connections seen
209 unsigned long statsConnects;
210 /** Total bytes of data transmitted
213 /** Total bytes of data received
216 /** Cpu usage at last sample
219 /** Time last sample was read
222 /** The constructor initializes all the counts to zero
225 : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
226 statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0.0), statsRecv(0.0)
231 /** A list of failed port bindings, used for informational purposes on startup */
232 typedef std::vector<std::pair<std::string, long> > FailedPortList;
234 /** A list of ip addresses cross referenced against clone counts */
235 typedef std::map<irc::string, unsigned int> clonemap;
237 /* Forward declaration - required */
240 /** The main class of the irc server.
241 * This class contains instances of all the other classes
242 * in this software, with the exception of the base class,
243 * classbase. Amongst other things, it contains a ModeParser,
244 * a DNS object, a CommandParser object, and a list of active
245 * Module objects, and facilities for Module objects to
246 * interact with the core system it implements. You should
247 * NEVER attempt to instantiate a class of type InspIRCd
248 * yourself. If you do, this is equivalent to spawning a second
249 * IRC server, and could have catastrophic consequences for the
250 * program in terms of ram usage (basically, you could create
251 * an obese forkbomb built from recursively spawning irc servers!)
253 class CoreExport InspIRCd : public classbase
256 /** Holds a string describing the last module error to occur
260 /** Remove a ModuleFactory pointer
261 * @param j Index number of the ModuleFactory to remove
263 void EraseFactory(int j);
265 /** Remove a Module pointer
266 * @param j Index number of the Module to remove
268 void EraseModule(int j);
270 /** Move a given module to a specific slot in the list
271 * @param modulename The module name to relocate
272 * @param slot The slot to move the module into
274 void MoveTo(std::string modulename,int slot);
276 /** Set up the signal handlers
280 /** Daemonize the ircd and close standard input/output streams
281 * @return True if the program daemonized succesfully
285 /** Moves the given module to the last slot in the list
286 * @param modulename The module name to relocate
288 void MoveToLast(std::string modulename);
290 /** Moves the given module to the first slot in the list
291 * @param modulename The module name to relocate
293 void MoveToFirst(std::string modulename);
295 /** Moves one module to be placed after another in the list
296 * @param modulename The module name to relocate
297 * @param after The module name to place the module after
299 void MoveAfter(std::string modulename, std::string after);
301 /** Moves one module to be placed before another in the list
302 * @param modulename The module name to relocate
303 * @param after The module name to place the module before
305 void MoveBefore(std::string modulename, std::string before);
307 /** Iterate the list of InspSocket objects, removing ones which have timed out
308 * @param TIME the current time
310 void DoSocketTimeouts(time_t TIME);
312 /** Perform background user events such as PING checks
313 * @param TIME the current time
315 void DoBackgroundUserStuff(time_t TIME);
317 /** Returns true when all modules have done pre-registration checks on a user
318 * @param user The user to verify
319 * @return True if all modules have finished checking this user
321 bool AllModulesReportReady(userrec* user);
323 /** Total number of modules loaded into the ircd, minus one
327 /** Logfile pathname specified on the commandline, or empty string
329 char LogFileName[MAXBUF];
331 /** The feature names published by various modules
333 featurelist Features;
335 /** The interface names published by various modules
337 interfacelist Interfaces;
339 /** The current time, updated in the mainloop
343 /** The time that was recorded last time around the mainloop
347 /** A 64k buffer used to read client lines into
349 char ReadBuffer[65535];
351 /** Used when connecting clients
353 insp_sockaddr client, server;
355 /** Used when connecting clients
359 /** Nonblocking file writer
363 /** Time offset in seconds
364 * This offset is added to all calls to Time(). Use SetTimeDelta() to update
370 /** InspSocket classes pending deletion after being closed.
371 * We don't delete these immediately as this may cause a segmentation fault.
373 std::map<InspSocket*,InspSocket*> SocketCull;
375 /** Build the ISUPPORT string by triggering all modules On005Numeric events
377 void BuildISupport();
379 /** Number of unregistered users online right now.
380 * (Unregistered means before USER/NICK/dns)
382 int unregistered_count;
384 /** List of server names we've seen.
386 servernamelist servernames;
388 /** Time this ircd was booted
392 /** Config file pathname specified on the commandline or via ./configure
394 char ConfigFileName[MAXBUF];
396 /** Mode handler, handles mode setting and removal
400 /** Command parser, handles client to server commands
402 CommandParser* Parser;
404 /** Socket engine, handles socket activity events
408 /** Stats class, holds miscellaneous stats counters
412 /** Server Config class, holds configuration file data
414 ServerConfig* Config;
416 /** Snomask manager - handles routing of snomask messages
421 /** Client list, a hash_map containing all clients, local and remote
423 user_hash* clientlist;
425 /** Channel list, a hash_map containing all channels
429 /** Local client list, a vector containing only local clients
431 std::vector<userrec*> local_users;
433 /** Oper list, a vector containing all local and remote opered users
435 std::vector<userrec*> all_opers;
437 /** Map of local ip addresses for clone counting
439 clonemap local_clones;
441 /** Map of global ip addresses for clone counting
443 clonemap global_clones;
445 /** DNS class, provides resolver facilities to the core and modules
449 /** Timer manager class, triggers InspTimer timer events
451 TimerManager* Timers;
453 /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
455 XLineManager* XLines;
457 /** A list of Module* module classes
458 * Note that this list is always exactly 255 in size.
459 * The actual number of loaded modules is available from GetModuleCount()
463 /** A list of ModuleFactory* module factories
464 * Note that this list is always exactly 255 in size.
465 * The actual number of loaded modules is available from GetModuleCount()
469 /** The time we next call our ping timeout and reg timeout checks
473 /** Global cull list, will be processed on next iteration
475 CullList GlobalCulls;
477 /** Get the current time
478 * Because this only calls time() once every time around the mainloop,
479 * it is much faster than calling time() directly.
480 * @param delta True to use the delta as an offset, false otherwise
481 * @return The current time as an epoch value (time_t)
483 time_t Time(bool delta = false);
485 /** Set the time offset in seconds
486 * This offset is added to Time() to offset the system time by the specified
488 * @param delta The number of seconds to offset
489 * @return The old time delta
491 int SetTimeDelta(int delta);
493 /** Add a user to the local clone map
494 * @param user The user to add
496 void AddLocalClone(userrec* user);
498 /** Add a user to the global clone map
499 * @param user The user to add
501 void AddGlobalClone(userrec* user);
503 /** Number of users with a certain mode set on them
505 int ModeCount(const char mode);
507 /** Get the time offset in seconds
508 * @return The current time delta (in seconds)
512 /** Process a user whos socket has been flagged as active
513 * @param cu The user to process
514 * @return There is no actual return value, however upon exit, the user 'cu' may have been
515 * marked for deletion in the global CullList.
517 void ProcessUser(userrec* cu);
519 /** Get the total number of currently loaded modules
520 * @return The number of loaded modules
522 int GetModuleCount();
524 /** Find a module by name, and return a Module* to it.
525 * This is preferred over iterating the module lists yourself.
526 * @param name The module name to look up
527 * @return A pointer to the module, or NULL if the module cannot be found
529 Module* FindModule(const std::string &name);
531 /** Bind all ports specified in the configuration file.
532 * @param bail True if the function should bail back to the shell on failure
533 * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound
534 * @return The number of ports actually bound without error
536 int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports);
538 /** Binds a socket on an already open file descriptor
539 * @param sockfd A valid file descriptor of an open socket
540 * @param port The port number to bind to
541 * @param addr The address to bind to (IP only)
542 * @return True if the port was bound successfully
544 bool BindSocket(int sockfd, int port, char* addr, bool dolisten = true);
546 /** Adds a server name to the list of servers we've seen
547 * @param The servername to add
549 void AddServerName(const std::string &servername);
551 /** Finds a cached char* pointer of a server name,
552 * This is used to optimize userrec by storing only the pointer to the name
553 * @param The servername to find
554 * @return A pointer to this name, gauranteed to never become invalid
556 const char* FindServerNamePtr(const std::string &servername);
558 /** Returns true if we've seen the given server name before
559 * @param The servername to find
560 * @return True if we've seen this server name before
562 bool FindServerName(const std::string &servername);
564 /** Gets the GECOS (description) field of the given server.
565 * If the servername is not that of the local server, the name
566 * is passed to handling modules which will attempt to determine
567 * the GECOS that bleongs to the given servername.
568 * @param servername The servername to find the description of
569 * @return The description of this server, or of the local server
571 std::string GetServerDescription(const char* servername);
573 /** Write text to all opers connected to this server
574 * @param text The text format string
575 * @param ... Format args
577 void WriteOpers(const char* text, ...);
579 /** Write text to all opers connected to this server
580 * @param text The text to send
582 void WriteOpers(const std::string &text);
584 /** Find a nickname in the nick hash
585 * @param nick The nickname to find
586 * @return A pointer to the user, or NULL if the user does not exist
588 userrec* FindNick(const std::string &nick);
590 /** Find a nickname in the nick hash
591 * @param nick The nickname to find
592 * @return A pointer to the user, or NULL if the user does not exist
594 userrec* FindNick(const char* nick);
596 /** Find a channel in the channels hash
597 * @param chan The channel to find
598 * @return A pointer to the channel, or NULL if the channel does not exist
600 chanrec* FindChan(const std::string &chan);
602 /** Find a channel in the channels hash
603 * @param chan The channel to find
604 * @return A pointer to the channel, or NULL if the channel does not exist
606 chanrec* FindChan(const char* chan);
608 /** Called by the constructor to load all modules from the config file.
610 void LoadAllModules();
612 /** Check for a 'die' tag in the config file, and abort if found
613 * @return Depending on the configuration, this function may never return
617 /** Check we aren't running as root, and exit if we are
618 * @return Depending on the configuration, this function may never return
622 /** Determine the right path for, and open, the logfile
623 * @param argv The argv passed to main() initially, used to calculate program path
624 * @param argc The argc passed to main() initially, used to calculate program path
626 void OpenLog(char** argv, int argc);
628 /** Close the currently open log file
632 /** Send a server notice to all local users
633 * @param text The text format string to send
634 * @param ... The format arguments
636 void ServerNoticeAll(char* text, ...);
638 /** Send a server message (PRIVMSG) to all local users
639 * @param text The text format string to send
640 * @param ... The format arguments
642 void ServerPrivmsgAll(char* text, ...);
644 /** Send text to all users with a specific set of modes
645 * @param modes The modes to check against, without a +, e.g. 'og'
646 * @param flags one of WM_OR or WM_AND. If you specify WM_OR, any one of the
647 * mode characters in the first parameter causes receipt of the message, and
648 * if you specify WM_OR, all the modes must be present.
649 * @param text The text format string to send
650 * @param ... The format arguments
652 void WriteMode(const char* modes, int flags, const char* text, ...);
654 /** Return true if a channel name is valid
655 * @param chname A channel name to verify
656 * @return True if the name is valid
658 bool IsChannel(const char *chname);
660 /** Rehash the local server
661 * @param status This value is unused, and required for signal handler functions
663 static void Rehash(int status);
665 /** Causes the server to exit after unloading modules and
666 * closing all open file descriptors.
668 * @param The exit code to give to the operating system
669 * (See the ExitStatus enum for valid values)
671 static void Exit(int status);
673 /** Causes the server to exit immediately with exit code 0.
674 * The status code is required for signal handlers, and ignored.
676 static void QuickExit(int status);
678 /** Return a count of users, unknown and known connections
679 * @return The number of users
683 /** Return a count of fully registered connections only
684 * @return The number of registered users
686 int RegisteredUserCount();
688 /** Return a count of invisible (umode +i) users only
689 * @return The number of invisible users
691 int InvisibleUserCount();
693 /** Return a count of opered (umode +o) users only
694 * @return The number of opers
698 /** Return a count of unregistered (before NICK/USER) users only
699 * @return The number of unregistered (unknown) connections
701 int UnregisteredUserCount();
703 /** Return a count of channels on the network
704 * @return The number of channels
708 /** Return a count of local users on this server only
709 * @return The number of local users
711 long LocalUserCount();
713 /** Send an error notice to all local users, opered and unopered
714 * @param s The error string to send
716 void SendError(const std::string &s);
718 /** For use with Module::Prioritize().
719 * When the return value of this function is returned from
720 * Module::Prioritize(), this specifies that the module wishes
721 * to be ordered exactly BEFORE 'modulename'. For more information
722 * please see Module::Prioritize().
723 * @param modulename The module your module wants to be before in the call list
724 * @returns a priority ID which the core uses to relocate the module in the list
726 long PriorityBefore(const std::string &modulename);
728 /** For use with Module::Prioritize().
729 * When the return value of this function is returned from
730 * Module::Prioritize(), this specifies that the module wishes
731 * to be ordered exactly AFTER 'modulename'. For more information please
732 * see Module::Prioritize().
733 * @param modulename The module your module wants to be after in the call list
734 * @returns a priority ID which the core uses to relocate the module in the list
736 long PriorityAfter(const std::string &modulename);
738 /** Publish a 'feature'.
739 * There are two ways for a module to find another module it depends on.
740 * Either by name, using InspIRCd::FindModule, or by feature, using this
741 * function. A feature is an arbitary string which identifies something this
742 * module can do. For example, if your module provides SSL support, but other
743 * modules provide SSL support too, all the modules supporting SSL should
744 * publish an identical 'SSL' feature. This way, any module requiring use
745 * of SSL functions can just look up the 'SSL' feature using FindFeature,
746 * then use the module pointer they are given.
747 * @param FeatureName The case sensitive feature name to make available
748 * @param Mod a pointer to your module class
749 * @returns True on success, false if the feature is already published by
752 bool PublishFeature(const std::string &FeatureName, Module* Mod);
754 /** Publish a module to an 'interface'.
755 * Modules which implement the same interface (the same way of communicating
756 * with other modules) can publish themselves to an interface, using this
757 * method. When they do so, they become part of a list of related or
758 * compatible modules, and a third module may then query for that list
759 * and know that all modules within that list offer the same API.
760 * A prime example of this is the hashing modules, which all accept the
761 * same types of Request class. Consider this to be similar to PublishFeature,
762 * except for that multiple modules may publish the same 'feature'.
763 * @param InterfaceName The case sensitive interface name to make available
764 * @param Mod a pointer to your module class
765 * @returns True on success, false on failure (there are currently no failure
768 bool PublishInterface(const std::string &InterfaceName, Module* Mod);
770 /** Return a pair saying how many other modules are currently using the
771 * interfaces provided by module m.
772 * @param m The module to count usage for
773 * @return A pair, where the first value is the number of uses of the interface,
774 * and the second value is the interface name being used.
776 std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
778 /** Mark your module as using an interface.
779 * If you mark your module as using an interface, then that interface
780 * module may not unload until your module has unloaded first.
781 * This can be used to prevent crashes by ensuring code you depend on
782 * is always in memory while your module is active.
783 * @param InterfaceName The interface to use
785 void UseInterface(const std::string &InterfaceName);
787 /** Mark your module as finished with an interface.
788 * If you used UseInterface() above, you should use this method when
789 * your module is finished with the interface (usually in its destructor)
790 * to allow the modules which implement the given interface to be unloaded.
791 * @param InterfaceName The interface you are finished with using.
793 void DoneWithInterface(const std::string &InterfaceName);
795 /** Unpublish a 'feature'.
796 * When your module exits, it must call this method for every feature it
797 * is providing so that the feature table is cleaned up.
798 * @param FeatureName the feature to remove
800 bool UnpublishFeature(const std::string &FeatureName);
802 /** Unpublish your module from an interface
803 * When your module exits, it must call this method for every interface
804 * it is part of so that the interfaces table is cleaned up. Only when
805 * the last item is deleted from an interface does the interface get
807 * @param InterfaceName the interface to be removed from
808 * @param Mod The module to remove from the interface list
810 bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
812 /** Find a 'feature'.
813 * There are two ways for a module to find another module it depends on.
814 * Either by name, using InspIRCd::FindModule, or by feature, using the
815 * InspIRCd::PublishFeature method. A feature is an arbitary string which
816 * identifies something this module can do. For example, if your module
817 * provides SSL support, but other modules provide SSL support too, all
818 * the modules supporting SSL should publish an identical 'SSL' feature.
819 * To find a module capable of providing the feature you want, simply
820 * call this method with the feature name you are looking for.
821 * @param FeatureName The feature name you wish to obtain the module for
822 * @returns A pointer to a valid module class on success, NULL on failure.
824 Module* FindFeature(const std::string &FeatureName);
826 /** Find an 'interface'.
827 * An interface is a list of modules which all implement the same API.
828 * @param InterfaceName The Interface you wish to obtain the module
830 * @return A pointer to a deque of Module*, or NULL if the interface
833 modulelist* FindInterface(const std::string &InterfaceName);
835 /** Given a pointer to a Module, return its filename
836 * @param m The module pointer to identify
837 * @return The module name or an empty string
839 const std::string& GetModuleName(Module* m);
841 /** Return true if a nickname is valid
842 * @param n A nickname to verify
843 * @return True if the nick is valid
845 bool IsNick(const char* n);
847 /** Return true if an ident is valid
848 * @param An ident to verify
849 * @return True if the ident is valid
851 bool IsIdent(const char* n);
853 /** Find a username by their file descriptor.
854 * It is preferred to use this over directly accessing the fd_ref_table array.
855 * @param socket The file descriptor of a user
856 * @return A pointer to the user if the user exists locally on this descriptor
858 userrec* FindDescriptor(int socket);
860 /** Add a new mode to this server's mode parser
861 * @param mh The modehandler to add
862 * @param modechar The mode character this modehandler handles
863 * @return True if the mode handler was added
865 bool AddMode(ModeHandler* mh, const unsigned char modechar);
867 /** Add a new mode watcher to this server's mode parser
868 * @param mw The modewatcher to add
869 * @return True if the modewatcher was added
871 bool AddModeWatcher(ModeWatcher* mw);
873 /** Delete a mode watcher from this server's mode parser
874 * @param mw The modewatcher to delete
875 * @return True if the modewatcher was deleted
877 bool DelModeWatcher(ModeWatcher* mw);
879 /** Add a dns Resolver class to this server's active set
880 * @param r The resolver to add
881 * @param cached If this value is true, then the cache will
882 * be searched for the DNS result, immediately. If the value is
883 * false, then a request will be sent to the nameserver, and the
884 * result will not be immediately available. You should usually
885 * use the boolean value which you passed to the Resolver
886 * constructor, which Resolver will set appropriately depending
887 * on if cached results are available and haven't expired. It is
888 * however safe to force this value to false, forcing a remote DNS
889 * lookup, but not an update of the cache.
890 * @return True if the operation completed successfully. Note that
891 * if this method returns true, you should not attempt to access
892 * the resolver class you pass it after this call, as depending upon
893 * the request given, the object may be deleted!
895 bool AddResolver(Resolver* r, bool cached);
897 /** Add a command to this server's command parser
898 * @param f A command_t command handler object to add
899 * @throw ModuleException Will throw ModuleExcption if the command already exists
901 void AddCommand(command_t *f);
903 /** Send a modechange.
904 * The parameters provided are identical to that sent to the
905 * handler for class cmd_mode.
906 * @param parameters The mode parameters
907 * @param pcnt The number of items you have given in the first parameter
908 * @param user The user to send error messages to
910 void SendMode(const char **parameters, int pcnt, userrec *user);
912 /** Match two strings using pattern matching.
913 * This operates identically to the global function match(),
914 * except for that it takes std::string arguments rather than
916 * @param sliteral The literal string to match against
917 * @param spattern The pattern to match against. CIDR and globs are supported.
919 bool MatchText(const std::string &sliteral, const std::string &spattern);
921 /** Call the handler for a given command.
922 * @param commandname The command whos handler you wish to call
923 * @param parameters The mode parameters
924 * @param pcnt The number of items you have given in the first parameter
925 * @param user The user to execute the command as
926 * @return True if the command handler was called successfully
928 CmdResult CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
930 /** Return true if the command is a module-implemented command and the given parameters are valid for it
931 * @param parameters The mode parameters
932 * @param pcnt The number of items you have given in the first parameter
933 * @param user The user to test-execute the command as
934 * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
936 bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
938 /** Add a gline and apply it
939 * @param duration How long the line should last
940 * @param source Who set the line
941 * @param reason The reason for the line
942 * @param hostmask The hostmask to set the line against
944 void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
946 /** Add a qline and apply it
947 * @param duration How long the line should last
948 * @param source Who set the line
949 * @param reason The reason for the line
950 * @param nickname The nickmask to set the line against
952 void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
954 /** Add a zline and apply it
955 * @param duration How long the line should last
956 * @param source Who set the line
957 * @param reason The reason for the line
958 * @param ipaddr The ip-mask to set the line against
960 void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
962 /** Add a kline and apply it
963 * @param duration How long the line should last
964 * @param source Who set the line
965 * @param reason The reason for the line
966 * @param hostmask The hostmask to set the line against
968 void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
971 * @param duration How long the line should last
972 * @param source Who set the line
973 * @param reason The reason for the line
974 * @param hostmask The hostmask to set the line against
976 void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
979 * @param hostmask The gline to delete
980 * @return True if the item was removed
982 bool DelGLine(const std::string &hostmask);
985 * @param nickname The qline to delete
986 * @return True if the item was removed
988 bool DelQLine(const std::string &nickname);
991 * @param ipaddr The zline to delete
992 * @return True if the item was removed
994 bool DelZLine(const std::string &ipaddr);
997 * @param hostmask The kline to delete
998 * @return True if the item was removed
1000 bool DelKLine(const std::string &hostmask);
1003 * @param hostmask The kline to delete
1004 * @return True if the item was removed
1006 bool DelELine(const std::string &hostmask);
1008 /** Return true if the given parameter is a valid nick!user\@host mask
1009 * @param mask A nick!user\@host masak to match against
1010 * @return True i the mask is valid
1012 bool IsValidMask(const std::string &mask);
1014 /** Rehash the local server
1016 void RehashServer();
1018 /** Return the channel whos index number matches that provided
1019 * @param The index number of the channel to fetch
1020 * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount()
1022 chanrec* GetChannelIndex(long index);
1024 /** Dump text to a user target, splitting it appropriately to fit
1025 * @param User the user to dump the text to
1026 * @param LinePrefix text to prefix each complete line with
1027 * @param TextStream the text to send to the user
1029 void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
1031 /** Check if the given nickmask matches too many users, send errors to the given user
1032 * @param nick A nickmask to match against
1033 * @param user A user to send error text to
1034 * @return True if the nick matches too many users
1036 bool NickMatchesEveryone(const std::string &nick, userrec* user);
1038 /** Check if the given IP mask matches too many users, send errors to the given user
1039 * @param ip An ipmask to match against
1040 * @param user A user to send error text to
1041 * @return True if the ip matches too many users
1043 bool IPMatchesEveryone(const std::string &ip, userrec* user);
1045 /** Check if the given hostmask matches too many users, send errors to the given user
1046 * @param mask A hostmask to match against
1047 * @param user A user to send error text to
1048 * @return True if the host matches too many users
1050 bool HostMatchesEveryone(const std::string &mask, userrec* user);
1052 /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
1053 * @param str A string containing a time in the form 1y2w3d4h6m5s
1054 * (one year, two weeks, three days, four hours, six minutes and five seconds)
1055 * @return The total number of seconds
1057 long Duration(const std::string &str);
1059 /** Attempt to compare an oper password to a string from the config file.
1060 * This will be passed to handling modules which will compare the data
1061 * against possible hashed equivalents in the input string.
1062 * @param data The data from the config file
1063 * @param input The data input by the oper
1064 * @param tagnum the tag number of the oper's tag in the config file
1065 * @return 0 if the strings match, 1 or -1 if they do not
1067 int OperPassCompare(const char* data,const char* input, int tagnum);
1069 /** Check if a given server is a uline.
1070 * An empty string returns true, this is by design.
1071 * @param server The server to check for uline status
1072 * @return True if the server is a uline OR the string is empty
1074 bool ULine(const char* server);
1076 /** Returns true if the uline is 'silent' (doesnt generate
1077 * remote connect notices etc).
1079 bool SilentULine(const char* server);
1081 /** Returns the subversion revision ID of this ircd
1082 * @return The revision ID or an empty string
1084 std::string GetRevision();
1086 /** Returns the full version string of this ircd
1087 * @return The version string
1089 std::string GetVersionString();
1091 /** Attempt to write the process id to a given file
1092 * @param filename The PID file to attempt to write to
1093 * @return This function may bail if the file cannot be written
1095 void WritePID(const std::string &filename);
1097 /** Returns text describing the last module error
1098 * @return The last error message to occur
1100 char* ModuleError();
1102 /** Load a given module file
1103 * @param filename The file to load
1104 * @return True if the module was found and loaded
1106 bool LoadModule(const char* filename);
1108 /** Unload a given module file
1109 * @param filename The file to unload
1110 * @return True if the module was unloaded
1112 bool UnloadModule(const char* filename);
1114 /** This constructor initialises all the subsystems and reads the config file.
1115 * @param argc The argument count passed to main()
1116 * @param argv The argument list passed to main()
1117 * @throw <anything> If anything is thrown from here and makes it to
1118 * you, you should probably just give up and go home. Yes, really.
1119 * It's that bad. Higher level classes should catch any non-fatal exceptions.
1121 InspIRCd(int argc, char** argv);
1123 /** Do one iteration of the mainloop
1124 * @param process_module_sockets True if module sockets are to be processed
1125 * this time around the event loop. The is the default.
1127 void DoOneIteration(bool process_module_sockets = true);
1129 /** Output a log message to the ircd.log file
1130 * The text will only be output if the current loglevel
1131 * is less than or equal to the level you provide
1132 * @param level A log level from the DebugLevel enum
1133 * @param text Format string of to write to the log
1134 * @param ... Format arguments of text to write to the log
1136 void Log(int level, const char* text, ...);
1138 /** Output a log message to the ircd.log file
1139 * The text will only be output if the current loglevel
1140 * is less than or equal to the level you provide
1141 * @param level A log level from the DebugLevel enum
1142 * @param text Text to write to the log
1144 void Log(int level, const std::string &text);
1146 /** Send a line of WHOIS data to a user.
1147 * @param user user to send the line to
1148 * @param dest user being WHOISed
1149 * @param numeric Numeric to send
1150 * @param text Text of the numeric
1152 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text);
1154 /** Send a line of WHOIS data to a user.
1155 * @param user user to send the line to
1156 * @param dest user being WHOISed
1157 * @param numeric Numeric to send
1158 * @param format Format string for the numeric
1159 * @param ... Parameters for the format string
1161 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...);
1163 /** Quit a user for excess flood, and if they are not
1164 * fully registered yet, temporarily zline their IP.
1165 * @param current user to quit
1167 void FloodQuitUser(userrec* current);
1169 /** Restart the server.
1170 * This function will not return. If an error occurs,
1171 * it will throw an instance of CoreException.
1172 * @param reason The restart reason to show to all clients
1173 * @throw CoreException An instance of CoreException indicating the error from execv().
1175 void Restart(const std::string &reason);
1177 /** Prepare the ircd for restart or shutdown.
1178 * This function unloads all modules which can be unloaded,
1179 * closes all open sockets, and closes the logfile.
1183 /** This copies the user and channel hash_maps into new hash maps.
1184 * This frees memory used by the hash_map allocator (which it neglects
1185 * to free, most of the time, using tons of ram)
1187 void RehashUsersAndChans();
1189 /** Resets the cached max bans value on all channels.
1192 void ResetMaxBans();
1194 /** Return a time_t as a human-readable string.
1196 std::string TimeString(time_t curtime);
1198 /** Begin execution of the server.
1199 * NOTE: this function NEVER returns. Internally,
1200 * after performing some initialisation routines,
1201 * it will repeatedly call DoOneIteration in a loop.
1202 * @return The return value for this function is undefined.
1206 /** Force all InspSockets to be removed which are due to
1209 void InspSocketCull();