1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 #ifndef __INSPIRCD_H__
18 #define __INSPIRCD_H__
23 #include "inspircd_config.h"
28 #include "socketengine.h"
29 #include "command_parse.h"
32 /** Returned by some functions to indicate failure,
33 * and the exit code of the program if it terminates.
39 #define ETIREDGERBILS EAGAIN
41 /** Debug levels for use with InspIRCd::Log()
53 * This define is used in place of strcmp when we
54 * want to check if a char* string contains only one
55 * letter. Pretty fast, its just two compares and an
58 #define IS_SINGLE(x,y) ( (*x == y) && (*(x+1) == 0) )
60 /** Delete a pointer, and NULL its value
62 template<typename T> inline void DELETE(T* x)
68 /** Template function to convert any input type to std::string
70 template<typename T> inline std::string ConvToStr(const T &in)
72 std::stringstream tmp;
73 if (!(tmp << in)) return std::string();
77 /** This class contains various STATS counters
78 * It is used by the InspIRCd class, which internally
79 * has an instance of it.
81 class serverstats : public classbase
84 /** Number of accepted connections
86 unsigned long statsAccept;
87 /** Number of failed accepts
89 unsigned long statsRefused;
90 /** Number of unknown commands seen
92 unsigned long statsUnknown;
93 /** Number of nickname collisions handled
95 unsigned long statsCollisions;
96 /** Number of DNS queries sent out
98 unsigned long statsDns;
99 /** Number of good DNS replies received
100 * NOTE: This may not tally to the number sent out,
101 * due to timeouts and other latency issues.
103 unsigned long statsDnsGood;
104 /** Number of bad (negative) DNS replies received
105 * NOTE: This may not tally to the number sent out,
106 * due to timeouts and other latency issues.
108 unsigned long statsDnsBad;
109 /** Number of inbound connections seen
111 unsigned long statsConnects;
112 /** Total bytes of data transmitted
115 /** Total bytes of data received
118 /** Number of bound listening ports
120 unsigned long BoundPortCount;
122 /** Cpu usage at last sample
126 /** Time last sample was read
130 /** The constructor initializes all the counts to zero
133 : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
134 statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0.0), statsRecv(0.0),
142 /** This class implements a nonblocking log-writer.
143 * Most people writing an ircd give little thought to their disk
144 * i/o. On a congested system, disk writes can block for long
145 * periods of time (e.g. if the system is busy and/or swapping
146 * a lot). If we just use a blocking fprintf() call, this could
147 * block for undesirable amounts of time (half of a second through
148 * to whole seconds). We DO NOT want this, so we make our logfile
149 * nonblocking and hook it into the SocketEngine.
150 * NB: If the operating system does not support nonblocking file
151 * I/O (linux seems to, as does freebsd) this will default to
152 * blocking behaviour.
154 class FileLogger : public EventHandler
157 /** The creator/owner of this object
159 InspIRCd* ServerInstance;
160 /** The log file (fd is inside this somewhere,
161 * we get it out with fileno())
164 /** Buffer of pending log lines to be written
167 /** Number of write operations that have occured
171 /** The constructor takes an already opened logfile.
173 FileLogger(InspIRCd* Instance, FILE* logfile);
174 /** This returns false, logfiles are writeable.
176 virtual bool Readable();
177 /** Handle pending write events.
178 * This will flush any waiting data to disk.
179 * If any data remains after the fprintf call,
180 * another write event is scheduled to write
181 * the rest of the data when possible.
183 virtual void HandleEvent(EventType et, int errornum = 0);
184 /** Write one or more preformatted log lines.
185 * If the data cannot be written immediately,
186 * this class will insert itself into the
187 * SocketEngine, and register a write event,
188 * and when the write event occurs it will
189 * attempt again to write the data.
191 void WriteLogLine(const std::string &line);
192 /** Close the log file and cancel any events.
194 virtual void Close();
195 /** Close the log file and cancel any events.
196 * (indirectly call Close()
198 virtual ~FileLogger();
201 /** A list of failed port bindings, used for informational purposes on startup */
202 typedef std::vector<std::pair<std::string, long> > FailedPortList;
204 /** A list of ip addresses cross referenced against clone counts */
205 typedef std::map<irc::string, unsigned int> clonemap;
209 /** The main class of the irc server.
210 * This class contains instances of all the other classes
211 * in this software, with the exception of the base class,
212 * classbase. Amongst other things, it contains a ModeParser,
213 * a DNS object, a CommandParser object, and a list of active
214 * Module objects, and facilities for Module objects to
215 * interact with the core system it implements. You should
216 * NEVER attempt to instantiate a class of type InspIRCd
217 * yourself. If you do, this is equivalent to spawning a second
218 * IRC server, and could have catastrophic consequences for the
219 * program in terms of ram usage (basically, you could create
220 * an obese forkbomb built from recursively spawning irc servers!)
222 class InspIRCd : public classbase
225 /** Holds a string describing the last module error to occur
229 /** Remove a ModuleFactory pointer
230 * @param j Index number of the ModuleFactory to remove
232 void EraseFactory(int j);
234 /** Remove a Module pointer
235 * @param j Index number of the Module to remove
237 void EraseModule(int j);
239 /** Build the ISUPPORT string by triggering all modules On005Numeric events
241 void BuildISupport();
243 /** Move a given module to a specific slot in the list
244 * @param modulename The module name to relocate
245 * @param slot The slot to move the module into
247 void MoveTo(std::string modulename,int slot);
249 /** Display the startup banner
253 /** Set up the signal handlers
257 /** Daemonize the ircd and close standard input/output streams
258 * @return True if the program daemonized succesfully
262 /** Moves the given module to the last slot in the list
263 * @param modulename The module name to relocate
265 void MoveToLast(std::string modulename);
267 /** Moves the given module to the first slot in the list
268 * @param modulename The module name to relocate
270 void MoveToFirst(std::string modulename);
272 /** Moves one module to be placed after another in the list
273 * @param modulename The module name to relocate
274 * @param after The module name to place the module after
276 void MoveAfter(std::string modulename, std::string after);
278 /** Moves one module to be placed before another in the list
279 * @param modulename The module name to relocate
280 * @param after The module name to place the module before
282 void MoveBefore(std::string modulename, std::string before);
284 /** Iterate the list of InspSocket objects, removing ones which have timed out
285 * @param TIME the current time
287 void DoSocketTimeouts(time_t TIME);
289 /** Perform background user events such as PING checks
290 * @param TIME the current time
292 void DoBackgroundUserStuff(time_t TIME);
294 /** Returns true when all modules have done pre-registration checks on a user
295 * @param user The user to verify
296 * @return True if all modules have finished checking this user
298 bool AllModulesReportReady(userrec* user);
300 /** Total number of modules loaded into the ircd, minus one
304 /** Logfile pathname specified on the commandline, or empty string
306 char LogFileName[MAXBUF];
308 /** The feature names published by various modules
310 featurelist Features;
312 /** The interface names published by various modules
314 interfacelist Interfaces;
316 /** The current time, updated in the mainloop
320 /** The time that was recorded last time around the mainloop
324 /** A 64k buffer used to read client lines into
326 char ReadBuffer[65535];
328 /** Number of seconds in a minute
330 const long duration_m;
332 /** Number of seconds in an hour
334 const long duration_h;
336 /** Number of seconds in a day
338 const long duration_d;
340 /** Number of seconds in a week
342 const long duration_w;
344 /** Number of seconds in a year
346 const long duration_y;
348 /** Used when connecting clients
350 insp_sockaddr client, server;
352 /** Used when connecting clients
356 /** Nonblocking file writer
360 /** Time offset in seconds
361 * This offset is added to all calls to Time(). Use SetTimeDelta() to update
366 /** List of server names we've seen.
368 servernamelist servernames;
370 /** Time this ircd was booted
374 /** Mode handler, handles mode setting and removal
378 /** Command parser, handles client to server commands
380 CommandParser* Parser;
382 /** Socket engine, handles socket activity events
386 /** Stats class, holds miscellaneous stats counters
390 /** Server Config class, holds configuration file data
392 ServerConfig* Config;
394 /** Snomask manager - handles routing of snomask messages
399 /** Client list, a hash_map containing all clients, local and remote
401 user_hash clientlist;
403 /** Channel list, a hash_map containing all channels
407 /** Local client list, a vector containing only local clients
409 std::vector<userrec*> local_users;
411 /** Oper list, a vector containing all local and remote opered users
413 std::vector<userrec*> all_opers;
415 clonemap local_clones;
417 clonemap global_clones;
419 /** Whowas container, contains a map of vectors of users tracked by WHOWAS
421 irc::whowas::whowas_users whowas;
423 /** Whowas container, contains a map of time_t to users tracked by WHOWAS
425 irc::whowas::whowas_users_fifo whowas_fifo;
427 /** DNS class, provides resolver facilities to the core and modules
431 /** Timer manager class, triggers InspTimer timer events
433 TimerManager* Timers;
435 /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
437 XLineManager* XLines;
439 /** A list of Module* module classes
440 * Note that this list is always exactly 255 in size.
441 * The actual number of loaded modules is available from GetModuleCount()
445 /** A list of ModuleFactory* module factories
446 * Note that this list is always exactly 255 in size.
447 * The actual number of loaded modules is available from GetModuleCount()
451 /** The time we next call our ping timeout and reg timeout checks
455 /** Get the current time
456 * Because this only calls time() once every time around the mainloop,
457 * it is much faster than calling time() directly.
458 * @param delta True to use the delta as an offset, false otherwise
459 * @return The current time as an epoch value (time_t)
461 time_t Time(bool delta = false);
463 /** Set the time offset in seconds
464 * This offset is added to Time() to offset the system time by the specified
466 * @param delta The number of seconds to offset
467 * @return The old time delta
469 int SetTimeDelta(int delta);
471 void AddLocalClone(userrec* user);
473 void AddGlobalClone(userrec* user);
475 /** Get the time offset in seconds
476 * @return The current time delta (in seconds)
480 /** Process a user whos socket has been flagged as active
481 * @param cu The user to process
482 * @return There is no actual return value, however upon exit, the user 'cu' may have been deleted
484 void ProcessUser(userrec* cu);
486 /** Get the total number of currently loaded modules
487 * @return The number of loaded modules
489 int GetModuleCount();
491 /** Find a module by name, and return a Module* to it.
492 * This is preferred over iterating the module lists yourself.
493 * @param name The module name to look up
494 * @return A pointer to the module, or NULL if the module cannot be found
496 Module* FindModule(const std::string &name);
498 /** Bind all ports specified in the configuration file.
499 * @param bail True if the function should bail back to the shell on failure
500 * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound
501 * @return The number of ports actually bound without error
503 int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports);
505 /** Returns true if this server has the given port bound to the given address
506 * @param port The port number
507 * @param addr The address
508 * @return True if we have a port listening on this address
510 bool HasPort(int port, char* addr);
512 /** Binds a socket on an already open file descriptor
513 * @param sockfd A valid file descriptor of an open socket
514 * @param client A sockaddr to use as temporary storage
515 * @param server A sockaddr to use as temporary storage
516 * @param port The port number to bind to
517 * @param addr The address to bind to (IP only)
518 * @return True if the port was bound successfully
520 bool BindSocket(int sockfd, insp_sockaddr client, insp_sockaddr server, int port, char* addr);
522 /** Adds a server name to the list of servers we've seen
523 * @param The servername to add
525 void AddServerName(const std::string &servername);
527 /** Finds a cached char* pointer of a server name,
528 * This is used to optimize userrec by storing only the pointer to the name
529 * @param The servername to find
530 * @return A pointer to this name, gauranteed to never become invalid
532 const char* FindServerNamePtr(const std::string &servername);
534 /** Returns true if we've seen the given server name before
535 * @param The servername to find
536 * @return True if we've seen this server name before
538 bool FindServerName(const std::string &servername);
540 /** Gets the GECOS (description) field of the given server.
541 * If the servername is not that of the local server, the name
542 * is passed to handling modules which will attempt to determine
543 * the GECOS that bleongs to the given servername.
544 * @param servername The servername to find the description of
545 * @return The description of this server, or of the local server
547 std::string GetServerDescription(const char* servername);
549 /** Write text to all opers connected to this server
550 * @param text The text format string
551 * @param ... Format args
553 void WriteOpers(const char* text, ...);
555 /** Write text to all opers connected to this server
556 * @param text The text to send
558 void WriteOpers(const std::string &text);
560 /** Find a nickname in the nick hash
561 * @param nick The nickname to find
562 * @return A pointer to the user, or NULL if the user does not exist
564 userrec* FindNick(const std::string &nick);
566 /** Find a nickname in the nick hash
567 * @param nick The nickname to find
568 * @return A pointer to the user, or NULL if the user does not exist
570 userrec* FindNick(const char* nick);
572 /** Find a channel in the channels hash
573 * @param chan The channel to find
574 * @return A pointer to the channel, or NULL if the channel does not exist
576 chanrec* FindChan(const std::string &chan);
578 /** Find a channel in the channels hash
579 * @param chan The channel to find
580 * @return A pointer to the channel, or NULL if the channel does not exist
582 chanrec* FindChan(const char* chan);
584 /** Called by the constructor to load all modules from the config file.
586 void LoadAllModules();
588 /** Check for a 'die' tag in the config file, and abort if found
589 * @return Depending on the configuration, this function may never return
593 /** Check we aren't running as root, and exit if we are
594 * @return Depending on the configuration, this function may never return
598 /** Determine the right path for, and open, the logfile
599 * @param argv The argv passed to main() initially, used to calculate program path
600 * @param argc The argc passed to main() initially, used to calculate program path
602 void OpenLog(char** argv, int argc);
604 /** Convert a user to a pseudoclient, disconnecting the real user
605 * @param user The user to convert
606 * @param message The quit message to display when exiting the user
607 * @return True if the operation succeeded
609 bool UserToPseudo(userrec* user, const std::string &message);
611 /** Convert a pseudoclient to a real user, discarding the pseudoclient
612 * @param alive A live client
613 * @param zombie A pseudoclient
614 * @param message The message to display when quitting the pseudoclient
615 * @return True if the operation succeeded
617 bool PseudoToUser(userrec* alive, userrec* zombie, const std::string &message);
619 /** Send a server notice to all local users
620 * @param text The text format string to send
621 * @param ... The format arguments
623 void ServerNoticeAll(char* text, ...);
625 /** Send a server message (PRIVMSG) to all local users
626 * @param text The text format string to send
627 * @param ... The format arguments
629 void ServerPrivmsgAll(char* text, ...);
631 /** Send text to all users with a specific set of modes
632 * @param modes The modes to check against, without a +, e.g. 'og'
633 * @param flags one of WM_OR or WM_AND. If you specify WM_OR, any one of the
634 * mode characters in the first parameter causes receipt of the message, and
635 * if you specify WM_OR, all the modes must be present.
636 * @param text The text format string to send
637 * @param ... The format arguments
639 void WriteMode(const char* modes, int flags, const char* text, ...);
641 /** Return true if a channel name is valid
642 * @param chname A channel name to verify
643 * @return True if the name is valid
645 bool IsChannel(const char *chname);
647 /** Rehash the local server
648 * @param status This value is unused, and required for signal handler functions
650 static void Rehash(int status);
652 /** Causes the server to exit immediately
653 * @param The exit code to give to the operating system
655 static void Exit(int status);
657 /** Return a count of users, unknown and known connections
658 * @return The number of users
662 /** Return a count of fully registered connections only
663 * @return The number of registered users
665 int RegisteredUserCount();
667 /** Return a count of invisible (umode +i) users only
668 * @return The number of invisible users
670 int InvisibleUserCount();
672 /** Return a count of opered (umode +o) users only
673 * @return The number of opers
677 /** Return a count of unregistered (before NICK/USER) users only
678 * @return The number of unregistered (unknown) connections
680 int UnregisteredUserCount();
682 /** Return a count of channels on the network
683 * @return The number of channels
687 /** Return a count of local users on this server only
688 * @return The number of local users
690 long LocalUserCount();
692 /** Send an error notice to all local users, opered and unopered
693 * @param s The error string to send
695 void SendError(const char *s);
697 /** For use with Module::Prioritize().
698 * When the return value of this function is returned from
699 * Module::Prioritize(), this specifies that the module wishes
700 * to be ordered exactly BEFORE 'modulename'. For more information
701 * please see Module::Prioritize().
702 * @param modulename The module your module wants to be before in the call list
703 * @returns a priority ID which the core uses to relocate the module in the list
705 long PriorityBefore(const std::string &modulename);
707 /** For use with Module::Prioritize().
708 * When the return value of this function is returned from
709 * Module::Prioritize(), this specifies that the module wishes
710 * to be ordered exactly AFTER 'modulename'. For more information please
711 * see Module::Prioritize().
712 * @param modulename The module your module wants to be after in the call list
713 * @returns a priority ID which the core uses to relocate the module in the list
715 long PriorityAfter(const std::string &modulename);
717 /** Publish a 'feature'.
718 * There are two ways for a module to find another module it depends on.
719 * Either by name, using InspIRCd::FindModule, or by feature, using this
720 * function. A feature is an arbitary string which identifies something this
721 * module can do. For example, if your module provides SSL support, but other
722 * modules provide SSL support too, all the modules supporting SSL should
723 * publish an identical 'SSL' feature. This way, any module requiring use
724 * of SSL functions can just look up the 'SSL' feature using FindFeature,
725 * then use the module pointer they are given.
726 * @param FeatureName The case sensitive feature name to make available
727 * @param Mod a pointer to your module class
728 * @returns True on success, false if the feature is already published by
731 bool PublishFeature(const std::string &FeatureName, Module* Mod);
733 /** Publish a module to an 'interface'.
734 * Modules which implement the same interface (the same way of communicating
735 * with other modules) can publish themselves to an interface, using this
736 * method. When they do so, they become part of a list of related or
737 * compatible modules, and a third module may then query for that list
738 * and know that all modules within that list offer the same API.
739 * A prime example of this is the hashing modules, which all accept the
740 * same types of Request class. Consider this to be similar to PublishFeature,
741 * except for that multiple modules may publish the same 'feature'.
742 * @param InterfaceName The case sensitive interface name to make available
743 * @param Mod a pointer to your module class
744 * @returns True on success, false on failure (there are currently no failure
747 bool PublishInterface(const std::string &InterfaceName, Module* Mod);
749 /** Return a pair saying how many other modules are currently using the
750 * interfaces provided by module m.
751 * @param m The module to count usage for
752 * @return A pair, where the first value is the number of uses of the interface,
753 * and the second value is the interface name being used.
755 std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
757 /** Mark your module as using an interface.
758 * If you mark your module as using an interface, then that interface
759 * module may not unload until your module has unloaded first.
760 * This can be used to prevent crashes by ensuring code you depend on
761 * is always in memory while your module is active.
762 * @param InterfaceName The interface to use
764 void UseInterface(const std::string &InterfaceName);
766 /** Mark your module as finished with an interface.
767 * If you used UseInterface() above, you should use this method when
768 * your module is finished with the interface (usually in its destructor)
769 * to allow the modules which implement the given interface to be unloaded.
770 * @param InterfaceName The interface you are finished with using.
772 void DoneWithInterface(const std::string &InterfaceName);
774 /** Unpublish a 'feature'.
775 * When your module exits, it must call this method for every feature it
776 * is providing so that the feature table is cleaned up.
777 * @param FeatureName the feature to remove
779 bool UnpublishFeature(const std::string &FeatureName);
781 /** Unpublish your module from an interface
782 * When your module exits, it must call this method for every interface
783 * it is part of so that the interfaces table is cleaned up. Only when
784 * the last item is deleted from an interface does the interface get
786 * @param InterfaceName the interface to be removed from
787 * @param Mod The module to remove from the interface list
789 bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
791 /** Find a 'feature'.
792 * There are two ways for a module to find another module it depends on.
793 * Either by name, using InspIRCd::FindModule, or by feature, using the
794 * InspIRCd::PublishFeature method. A feature is an arbitary string which
795 * identifies something this module can do. For example, if your module
796 * provides SSL support, but other modules provide SSL support too, all
797 * the modules supporting SSL should publish an identical 'SSL' feature.
798 * To find a module capable of providing the feature you want, simply
799 * call this method with the feature name you are looking for.
800 * @param FeatureName The feature name you wish to obtain the module for
801 * @returns A pointer to a valid module class on success, NULL on failure.
803 Module* FindFeature(const std::string &FeatureName);
805 /** Find an 'interface'.
806 * An interface is a list of modules which all implement the same API.
807 * @param InterfaceName The Interface you wish to obtain the module
809 * @return A pointer to a deque of Module*, or NULL if the interface
812 modulelist* FindInterface(const std::string &InterfaceName);
814 /** Given a pointer to a Module, return its filename
815 * @param m The module pointer to identify
816 * @return The module name or an empty string
818 const std::string& GetModuleName(Module* m);
820 /** Return true if a nickname is valid
821 * @param n A nickname to verify
822 * @return True if the nick is valid
824 bool IsNick(const char* n);
826 /** Return true if an ident is valid
827 * @param An ident to verify
828 * @return True if the ident is valid
830 bool IsIdent(const char* n);
832 /** Find a username by their file descriptor.
833 * It is preferred to use this over directly accessing the fd_ref_table array.
834 * @param socket The file descriptor of a user
835 * @return A pointer to the user if the user exists locally on this descriptor
837 userrec* FindDescriptor(int socket);
839 /** Add a new mode to this server's mode parser
840 * @param mh The modehandler to add
841 * @param modechar The mode character this modehandler handles
842 * @return True if the mode handler was added
844 bool AddMode(ModeHandler* mh, const unsigned char modechar);
846 /** Add a new mode watcher to this server's mode parser
847 * @param mw The modewatcher to add
848 * @return True if the modewatcher was added
850 bool AddModeWatcher(ModeWatcher* mw);
852 /** Delete a mode watcher from this server's mode parser
853 * @param mw The modewatcher to delete
854 * @return True if the modewatcher was deleted
856 bool DelModeWatcher(ModeWatcher* mw);
858 /** Add a dns Resolver class to this server's active set
859 * @param r The resolver to add
860 * @return True if the resolver was added
862 bool AddResolver(Resolver* r);
864 /** Add a command to this server's command parser
865 * @param f A command_t command handler object to add
866 * @throw ModuleException Will throw ModuleExcption if the command already exists
868 void AddCommand(command_t *f);
870 /** Send a modechange.
871 * The parameters provided are identical to that sent to the
872 * handler for class cmd_mode.
873 * @param parameters The mode parameters
874 * @param pcnt The number of items you have given in the first parameter
875 * @param user The user to send error messages to
877 void SendMode(const char **parameters, int pcnt, userrec *user);
879 /** Match two strings using pattern matching.
880 * This operates identically to the global function match(),
881 * except for that it takes std::string arguments rather than
883 * @param sliteral The literal string to match against
884 * @param spattern The pattern to match against. CIDR and globs are supported.
886 bool MatchText(const std::string &sliteral, const std::string &spattern);
888 /** Call the handler for a given command.
889 * @param commandname The command whos handler you wish to call
890 * @param parameters The mode parameters
891 * @param pcnt The number of items you have given in the first parameter
892 * @param user The user to execute the command as
893 * @return True if the command handler was called successfully
895 bool CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
897 /** Return true if the command is a module-implemented command and the given parameters are valid for it
898 * @param parameters The mode parameters
899 * @param pcnt The number of items you have given in the first parameter
900 * @param user The user to test-execute the command as
901 * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
903 bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
905 /** Add a gline and apply it
906 * @param duration How long the line should last
907 * @param source Who set the line
908 * @param reason The reason for the line
909 * @param hostmask The hostmask to set the line against
911 void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
913 /** Add a qline and apply it
914 * @param duration How long the line should last
915 * @param source Who set the line
916 * @param reason The reason for the line
917 * @param nickname The nickmask to set the line against
919 void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
921 /** Add a zline and apply it
922 * @param duration How long the line should last
923 * @param source Who set the line
924 * @param reason The reason for the line
925 * @param ipaddr The ip-mask to set the line against
927 void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
929 /** Add a kline and apply it
930 * @param duration How long the line should last
931 * @param source Who set the line
932 * @param reason The reason for the line
933 * @param hostmask The hostmask to set the line against
935 void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
938 * @param duration How long the line should last
939 * @param source Who set the line
940 * @param reason The reason for the line
941 * @param hostmask The hostmask to set the line against
943 void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
946 * @param hostmask The gline to delete
947 * @return True if the item was removed
949 bool DelGLine(const std::string &hostmask);
952 * @param nickname The qline to delete
953 * @return True if the item was removed
955 bool DelQLine(const std::string &nickname);
958 * @param ipaddr The zline to delete
959 * @return True if the item was removed
961 bool DelZLine(const std::string &ipaddr);
964 * @param hostmask The kline to delete
965 * @return True if the item was removed
967 bool DelKLine(const std::string &hostmask);
970 * @param hostmask The kline to delete
971 * @return True if the item was removed
973 bool DelELine(const std::string &hostmask);
975 /** Return true if the given parameter is a valid nick!user\@host mask
976 * @param mask A nick!user\@host masak to match against
977 * @return True i the mask is valid
979 bool IsValidMask(const std::string &mask);
981 /** Rehash the local server
985 /** Return the channel whos index number matches that provided
986 * @param The index number of the channel to fetch
987 * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount()
989 chanrec* GetChannelIndex(long index);
991 /** Dump text to a user target, splitting it appropriately to fit
992 * @param User the user to dump the text to
993 * @param LinePrefix text to prefix each complete line with
994 * @param TextStream the text to send to the user
996 void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
998 /** Check if the given nickmask matches too many users, send errors to the given user
999 * @param nick A nickmask to match against
1000 * @param user A user to send error text to
1001 * @return True if the nick matches too many users
1003 bool NickMatchesEveryone(const std::string &nick, userrec* user);
1005 /** Check if the given IP mask matches too many users, send errors to the given user
1006 * @param ip An ipmask to match against
1007 * @param user A user to send error text to
1008 * @return True if the ip matches too many users
1010 bool IPMatchesEveryone(const std::string &ip, userrec* user);
1012 /** Check if the given hostmask matches too many users, send errors to the given user
1013 * @param mask A hostmask to match against
1014 * @param user A user to send error text to
1015 * @return True if the host matches too many users
1017 bool HostMatchesEveryone(const std::string &mask, userrec* user);
1019 /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
1020 * @param str A string containing a time in the form 1y2w3d4h6m5s
1021 * (one year, two weeks, three days, four hours, six minutes and five seconds)
1022 * @return The total number of seconds
1024 long Duration(const char* str);
1026 /** Attempt to compare an oper password to a string from the config file.
1027 * This will be passed to handling modules which will compare the data
1028 * against possible hashed equivalents in the input string.
1029 * @param data The data from the config file
1030 * @param input The data input by the oper
1031 * @param tagnum the tag number of the oper's tag in the config file
1032 * @return 0 if the strings match, 1 or -1 if they do not
1034 int OperPassCompare(const char* data,const char* input, int tagnum);
1036 /** Check if a given server is a uline.
1037 * An empty string returns true, this is by design.
1038 * @param server The server to check for uline status
1039 * @return True if the server is a uline OR the string is empty
1041 bool ULine(const char* server);
1043 /** Returns the subversion revision ID of this ircd
1044 * @return The revision ID or an empty string
1046 std::string GetRevision();
1048 /** Returns the full version string of this ircd
1049 * @return The version string
1051 std::string GetVersionString();
1053 /** Attempt to write the process id to a given file
1054 * @param filename The PID file to attempt to write to
1055 * @return This function may bail if the file cannot be written
1057 void WritePID(const std::string &filename);
1059 /** Returns text describing the last module error
1060 * @return The last error message to occur
1062 char* ModuleError();
1064 /** Load a given module file
1065 * @param filename The file to load
1066 * @return True if the module was found and loaded
1068 bool LoadModule(const char* filename);
1070 /** Unload a given module file
1071 * @param filename The file to unload
1072 * @return True if the module was unloaded
1074 bool UnloadModule(const char* filename);
1076 /** This constructor initialises all the subsystems and reads the config file.
1077 * @param argc The argument count passed to main()
1078 * @param argv The argument list passed to main()
1079 * @throw <anything> If anything is thrown from here and makes it to
1080 * you, you should probably just give up and go home. Yes, really.
1081 * It's that bad. Higher level classes should catch any non-fatal exceptions.
1083 InspIRCd(int argc, char** argv);
1085 /** Do one iteration of the mainloop
1086 * @param process_module_sockets True if module sockets are to be processed
1087 * this time around the event loop. The is the default.
1089 void DoOneIteration(bool process_module_sockets = true);
1091 /** Output a log message to the ircd.log file
1092 * The text will only be output if the current loglevel
1093 * is less than or equal to the level you provide
1094 * @param level A log level from the DebugLevel enum
1095 * @param text Format string of to write to the log
1096 * @param ... Format arguments of text to write to the log
1098 void Log(int level, const char* text, ...);
1100 /** Output a log message to the ircd.log file
1101 * The text will only be output if the current loglevel
1102 * is less than or equal to the level you provide
1103 * @param level A log level from the DebugLevel enum
1104 * @param text Text to write to the log
1106 void Log(int level, const std::string &text);
1108 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text);
1110 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...);
1112 /** Begin execution of the server.
1113 * NOTE: this function NEVER returns. Internally,
1114 * after performing some initialisation routines,
1115 * it will repeatedly call DoOneIteration in a loop.
1116 * @return The return value for this function is undefined.