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 * ---------------------------------------------------
18 #include "inspircd_config.h"
21 #include "inspstring.h"
22 #include "connection.h"
25 #include "cull_list.h"
39 /** RFC1459 channel modes
42 UM_SERVERNOTICE = 's'-65,
44 UM_INVISIBLE = 'i'-65,
49 enum RegistrationState {
50 REG_NONE = 0, /* Has sent nothing */
51 REG_USER = 1, /* Has sent USER */
52 REG_NICK = 2, /* Has sent NICK */
53 REG_NICKUSER = 3, /* Bitwise combination of REG_NICK and REG_USER */
54 REG_ALL = 7 /* REG_NICKUSER plus next bit along */
59 /** Derived from Resolver, and performs user forward/reverse lookups.
61 class UserResolver : public Resolver
64 /** User this class is 'attached' to.
70 UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, QueryType qt, bool &cache);
72 void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached);
73 void OnError(ResolverError e, const std::string &errormessage);
77 /** Holds information relevent to <connect allow> and <connect deny> tags in the config file.
79 class ConnectClass : public classbase
82 /** Type of line, either CC_ALLOW or CC_DENY
85 /** Max time to register the connection in seconds
87 unsigned int registration_timeout;
88 /** Number of lines in buffer before excess flood is triggered
91 /** Host mask for this line
94 /** Number of seconds between pings for this line
96 unsigned int pingtime;
97 /** (Optional) Password for this line
101 /** Threshold value for flood disconnect
103 unsigned int threshold;
105 /** Maximum size of sendq for users in this class (bytes)
107 unsigned long sendqmax;
109 /** Maximum size of recvq for users in this class (bytes)
111 unsigned long recvqmax;
113 /** Local max when connecting by this connection class
115 unsigned long maxlocal;
117 /** Global max when connecting by this connection class
119 unsigned long maxglobal;
123 /** Create a new connect class with no settings.
125 ConnectClass() : type(CC_DENY), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""),
126 threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }
128 /** Create a new connect class to ALLOW connections.
129 * @param timeout The registration timeout
130 * @param fld The flood value
131 * @param hst The IP mask to allow
132 * @param ping The ping frequency
133 * @param pas The password to be used
134 * @param thres The flooding threshold
135 * @param sendq The maximum sendq value
136 * @param recvq The maximum recvq value
137 * @param maxl The maximum local sessions
138 * @param maxg The maximum global sessions
140 ConnectClass(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
141 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
142 unsigned long maxl, unsigned long maxg) :
143 type(CC_ALLOW), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas),
144 threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg) { }
146 /** Create a new connect class to DENY connections
147 * @param hst The IP mask to deny
149 ConnectClass(const std::string &hst) : type(CC_DENY), registration_timeout(0), flood(0), host(hst), pingtime(0),
150 pass(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }
152 /** Returns the type, CC_ALLOW or CC_DENY
156 return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);
159 /** Returns the registration timeout
161 unsigned int GetRegTimeout()
163 return (registration_timeout ? registration_timeout : 90);
166 /** Returns the flood limit
168 unsigned int GetFlood()
170 return (threshold ? flood : 999);
173 /** Returns the allowed or denied IP mask
175 const std::string& GetHost()
180 /** Returns the ping frequency
182 unsigned int GetPingTime()
184 return (pingtime ? pingtime : 120);
187 /** Returns the password or an empty string
189 const std::string& GetPass()
194 /** Returns the flood threshold value
196 unsigned int GetThreshold()
198 return (threshold ? threshold : 1);
201 /** Returns the maximum sendq value
203 unsigned long GetSendqMax()
205 return (sendqmax ? sendqmax : 262114);
208 /** Returns the maximum recvq value
210 unsigned long GetRecvqMax()
212 return (recvqmax ? recvqmax : 4096);
215 /** Returusn the maximum number of local sessions
217 unsigned long GetMaxLocal()
219 return (maxlocal ? maxlocal : 1);
222 /** Returns the maximum number of global sessions
224 unsigned long GetMaxGlobal()
226 return (maxglobal ? maxglobal : 1);
230 /** Holds a complete list of all channels to which a user has been invited and has not yet joined.
232 typedef std::vector<irc::string> InvitedList;
234 /** Holds a complete list of all allow and deny tags from the configuration file (connection classes)
236 typedef std::vector<ConnectClass> ClassVector;
238 /** Typedef for the list of user-channel records for a user
240 typedef std::map<chanrec*, char> UserChanList;
241 typedef UserChanList::iterator UCListIter;
243 /** Holds all information about a user
244 * This class stores all information about a user connected to the irc server. Everything about a
245 * connection is stored here primarily, from the user's socket ID (file descriptor) through to the
246 * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user
247 * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their
248 * file descriptor value.
250 class userrec : public connection
253 /** Pointer to creator.
254 * This is required to make use of core functions
255 * from within the userrec class.
257 InspIRCd* ServerInstance;
259 /** A list of channels the user has a pending invite to.
260 * Upon INVITE channels are added, and upon JOIN, the
261 * channels are removed from this list.
265 /** Number of channels this user is currently on
267 unsigned int ChannelCount;
269 /** Cached nick!ident@host value using the real hostname
271 char* cached_fullhost;
273 /** Cached nick!ident@ip value using the real IP address
277 /** Cached nick!ident@host value using the masked hostname
279 char* cached_makehost;
280 char* cached_fullrealhost;
282 /** When we erase the user (in the destructor),
283 * we call this method to subtract one from all
284 * mode characters this user is making use of.
286 void DecrementModes();
288 /** Resolvers for looking up this users IP address
289 * This will occur if and when res_reverse completes.
290 * When this class completes its lookup, userrec::dns_done
291 * will be set from false to true.
293 UserResolver* res_forward;
295 /** Resolvers for looking up this users hostname
296 * This is instantiated by userrec::StartDNSLookup(),
297 * and on success, instantiates userrec::res_reverse.
299 UserResolver* res_reverse;
301 /** Stored reverse lookup from res_forward
303 std::string stored_host;
305 /** Starts a DNS lookup of the user's IP.
306 * This will cause two UserResolver classes to be instantiated.
307 * When complete, these objects set userrec::dns_done to true.
309 void StartDNSLookup();
311 /** The users nickname.
312 * An invalid nickname indicates an unregistered connection prior to the NICK command.
313 * Use InspIRCd::IsNick() to validate nicknames.
317 /** The users ident reply.
318 * Two characters are added to the user-defined limit to compensate for the tilde etc.
320 char ident[IDENTMAX+2];
322 /** The host displayed to non-opers (used for cloaking etc).
323 * This usually matches the value of userrec::host.
327 /** The users full name (GECOS).
329 char fullname[MAXGECOS+1];
331 /** The user's mode list.
332 * This is NOT a null terminated string! In the 1.1 version of InspIRCd
333 * this is an array of values in a similar way to channel modes.
334 * A value of 1 in field (modeletter-65) indicates that the mode is
335 * set, for example, to work out if mode +s is set, we check the field
336 * userrec::modes['s'-65] != 0.
337 * The following RFC characters o, w, s, i have constants defined via an
338 * enum, such as UM_SERVERNOTICE and UM_OPETATOR.
342 /** What snomasks are set on this user.
343 * This functions the same as the above modes.
347 /** Channels this user is on, and the permissions they have there
351 /** The server the user is connected to.
355 /** The user's away message.
356 * If this string is empty, the user is not marked as away.
358 char awaymsg[MAXAWAY+1];
360 /** Number of lines the user can place into the buffer
361 * (up to the global NetBufferSize bytes) before they
362 * are disconnected for excess flood
366 /** Timestamp of current time + connection class timeout.
367 * This user must send USER/NICK before this timestamp is
368 * reached or they will be disconnected.
372 /** The oper type they logged in as, if they are an oper.
373 * This is used to check permissions in operclasses, so that
374 * we can say 'yay' or 'nay' to any commands they issue.
375 * The value of this is the value of a valid 'type name=' tag.
379 /** True when DNS lookups are completed.
380 * The UserResolver classes res_forward and res_reverse will
381 * set this value once they complete.
385 /** Number of seconds between PINGs for this user (set from <connect:allow> tag
387 unsigned int pingmax;
389 /** Password specified by the user when they registered.
390 * This is stored even if the <connect> block doesnt need a password, so that
391 * modules may check it.
395 /** User's receive queue.
396 * Lines from the IRCd awaiting processing are stored here.
397 * Upgraded april 2005, old system a bit hairy.
401 /** User's send queue.
402 * Lines waiting to be sent are stored here until their buffer is flushed.
406 /** Flood counters - lines received
410 /** Flood counters - time lines_in is due to be reset
414 /** Flood counters - Highest value lines_in may reach before the user gets disconnected
418 /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/
419 * GetIPString/GetPort to obtain its values.
423 /** Initialize the clients sockaddr
424 * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6
425 * @param ip A human-readable IP address for this user matching the protcol_family
426 * @param port The port number of this user or zero for a remote user
428 void SetSockAddr(int protocol_family, const char* ip, int port);
430 /** Get port number from sockaddr
431 * @return The port number of this user.
435 /** Get protocol family from sockaddr
436 * @return The protocol family of this user, either AF_INET or AF_INET6
438 int GetProtocolFamily();
440 /** Get IP string from sockaddr, using static internal buffer
441 * @return The IP string
443 const char* GetIPString();
445 /** Get IP string from sockaddr, using caller-specified buffer
446 * @param buf A buffer to use
447 * @return The IP string
449 const char* GetIPString(char* buf);
451 /* Write error string
453 std::string WriteError;
455 /** Maximum size this user's sendq can become.
456 * Copied from the connect class on connect.
460 /** Maximum size this user's recvq can become.
461 * Copied from the connect class on connect.
465 /** This is true if the user matched an exception when they connected to the ircd.
466 * It isnt valid after this point, and you should not attempt to do anything with it
467 * after this point, because the eline might be removed at a later time, and/or no
468 * longer be applicable to this user. It is only used to save doing the eline lookup
469 * twice (instead we do it once and set this value).
473 /** Default constructor
474 * @throw Nothing at present
476 userrec(InspIRCd* Instance);
478 /** Returns the full displayed host of the user
479 * This member function returns the hostname of the user as seen by other users
480 * on the server, in nick!ident&at;host form.
481 * @return The full masked host of the user
483 virtual char* GetFullHost();
485 /** Returns the full real host of the user
486 * This member function returns the hostname of the user as seen by other users
487 * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation,
488 * e.g. through a module, then this method will ignore it and return the true hostname.
489 * @return The full real host of the user
491 virtual char* GetFullRealHost();
493 /** This clears any cached results that are used for GetFullRealHost() etc.
494 * The results of these calls are cached as generating them can be generally expensive.
496 void InvalidateCache();
498 /** Create a displayable mode string for this users snomasks
499 * @return The notice mask character sequence
501 const char* FormatNoticeMasks();
503 /** Process a snomask modifier string, e.g. +abc-de
504 * @param sm A sequence of notice mask characters
505 * @return The cleaned mode sequence which can be output,
506 * e.g. in the above example if masks c and e are not
507 * valid, this function will return +ab-d
509 std::string ProcessNoticeMasks(const char *sm);
511 /** Returns true if a notice mask is set
512 * @param sm A notice mask character to check
513 * @return True if the notice mask is set
515 bool IsNoticeMaskSet(unsigned char sm);
517 /** Changed a specific notice mask value
518 * @param sm The server notice mask to change
519 * @param value An on/off value for this mask
521 void SetNoticeMask(unsigned char sm, bool value);
523 /** Create a displayable mode string for this users umodes
524 * @param The mode string
526 const char* FormatModes();
528 /** Returns true if a specific mode is set
529 * @param m The user mode
530 * @return True if the mode is set
532 bool IsModeSet(unsigned char m);
534 /** Set a specific usermode to on or off
535 * @param m The user mode
536 * @param value On or off setting of the mode
538 void SetMode(unsigned char m, bool value);
540 /** Returns true if a user is invited to a channel.
541 * @param channel A channel name to look up
542 * @return True if the user is invited to the given channel
544 virtual bool IsInvited(const irc::string &channel);
546 /** Adds a channel to a users invite list (invites them to a channel)
547 * @param channel A channel name to add
549 virtual void InviteTo(const irc::string &channel);
551 /** Removes a channel from a users invite list.
552 * This member function is called on successfully joining an invite only channel
553 * to which the user has previously been invited, to clear the invitation.
554 * @param channel The channel to remove the invite to
556 virtual void RemoveInvite(const irc::string &channel);
558 /** Returns true or false for if a user can execute a privilaged oper command.
559 * This is done by looking up their oper type from userrec::oper, then referencing
560 * this to their oper classes and checking the commands they can execute.
561 * @param command A command (should be all CAPS)
562 * @return True if this user can execute the command
564 bool HasPermission(const std::string &command);
566 /** Calls read() to read some data for this user using their fd.
567 * @param buffer The buffer to read into
568 * @param size The size of data to read
569 * @return The number of bytes read, or -1 if an error occured.
571 int ReadData(void* buffer, size_t size);
573 /** This method adds data to the read buffer of the user.
574 * The buffer can grow to any size within limits of the available memory,
575 * managed by the size of a std::string, however if any individual line in
576 * the buffer grows over 600 bytes in length (which is 88 chars over the
577 * RFC-specified limit per line) then the method will return false and the
578 * text will not be inserted.
579 * @param a The string to add to the users read buffer
580 * @return True if the string was successfully added to the read buffer
582 bool AddBuffer(std::string a);
584 /** This method returns true if the buffer contains at least one carriage return
585 * character (e.g. one complete line may be read)
586 * @return True if there is at least one complete line in the users buffer
588 bool BufferIsReady();
590 /** This function clears the entire buffer by setting it to an empty string.
594 /** This method returns the first available string at the tail end of the buffer
595 * and advances the tail end of the buffer past the string. This means it is
596 * a one way operation in a similar way to strtok(), and multiple calls return
597 * multiple lines if they are available. The results of this function if there
598 * are no lines to be read are unknown, always use BufferIsReady() to check if
599 * it is ok to read the buffer before calling GetBuffer().
600 * @return The string at the tail end of this users buffer
602 std::string GetBuffer();
604 /** Sets the write error for a connection. This is done because the actual disconnect
605 * of a client may occur at an inopportune time such as half way through /LIST output.
606 * The WriteErrors of clients are checked at a more ideal time (in the mainloop) and
607 * errored clients purged.
608 * @param error The error string to set.
610 void SetWriteError(const std::string &error);
612 /** Returns the write error which last occured on this connection or an empty string
614 * @return The error string which has occured for this user
616 const char* GetWriteError();
618 /** Adds to the user's write buffer.
619 * You may add any amount of text up to this users sendq value, if you exceed the
620 * sendq value, SetWriteError() will be called to set the users error string to
621 * "SendQ exceeded", and further buffer adds will be dropped.
622 * @param data The data to add to the write buffer
624 void AddWriteBuf(const std::string &data);
626 /** Flushes as much of the user's buffer to the file descriptor as possible.
627 * This function may not always flush the entire buffer, rather instead as much of it
628 * as it possibly can. If the send() call fails to send the entire buffer, the buffer
629 * position is advanced forwards and the rest of the data sent at the next call to
632 void FlushWriteBuf();
634 /** Returns the list of channels this user has been invited to but has not yet joined.
635 * @return A list of channels the user is invited to
637 InvitedList* GetInviteList();
639 /** Creates a wildcard host.
640 * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname
641 * @return The wildcarded hostname in *!*@host form
643 char* MakeWildHost();
645 /** Creates a usermask with real host.
646 * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host
647 * @return the usermask in the format user@host
651 /** Creates a usermask with real ip.
652 * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip
653 * @return the usermask in the format user@ip
657 /** Shuts down and closes the user's socket
658 * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,
659 * which will call CloseSocket() for you.
663 /** Disconnect a user gracefully
664 * @param user The user to remove
665 * @param r The quit reason
666 * @return Although this function has no return type, on exit the user provided will no longer exist.
668 static void QuitUser(InspIRCd* Instance, userrec *user, const std::string &r);
670 /** Add the user to WHOWAS system
674 /** Oper up the user using the given opertype.
675 * This will also give the +o usermode.
676 * @param opertype The oper type to oper as
678 void Oper(const std::string &opertype);
680 /** Use this method to fully connect a user.
681 * This will send the message of the day, check G/K/E lines, etc.
682 * @param Goners If the user is disconnected by this method call, the
683 * value of 'this' will be pushed onto this CullList. This is used by
684 * the core to connect many users in rapid succession without invalidating
686 * @param Goners a CullList to use for failed connections
688 void FullConnect(CullList* Goners);
690 /** Change this users hash key to a new string.
691 * You should not call this function directly. It is used by the core
692 * to update the users hash entry on a nickchange.
693 * @param New new user_hash key
694 * @return Pointer to userrec in hash (usually 'this')
696 userrec* UpdateNickHash(const char* New);
698 /** Force a nickname change.
699 * If the nickname change fails (for example, because the nick in question
700 * already exists) this function will return false, and you must then either
701 * output an error message, or quit the user for nickname collision.
702 * @param newnick The nickname to change to
703 * @return True if the nickchange was successful.
705 bool ForceNickChange(const char* newnick);
707 /** Add a client to the system.
708 * This will create a new userrec, insert it into the user_hash,
709 * initialize it as not yet registered, and add it to the socket engine.
710 * @param Instance a pointer to the server instance
711 * @param socket The socket id (file descriptor) this user is on
712 * @param port The port number this user connected on
713 * @param iscached This variable is reserved for future use
714 * @param ip The IP address of the user
715 * @return This function has no return value, but a call to AddClient may remove the user.
717 static void AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip);
720 * This will clear the +o usermode and unset the user's oper type
724 /** Return the number of global clones of this user
725 * @return The global clone count of this user
727 unsigned long GlobalCloneCount();
729 /** Return the number of local clones of this user
730 * @return The local clone count of this user
732 unsigned long LocalCloneCount();
734 /** Write text to this user, appending CR/LF.
735 * @param text A std::string to send to the user
737 void Write(std::string text);
739 /** Write text to this user, appending CR/LF.
740 * @param text The format string for text to send to the user
741 * @param ... POD-type format arguments
743 void Write(const char *text, ...);
745 /** Write text to this user, appending CR/LF and prepending :server.name
746 * @param text A std::string to send to the user
748 void WriteServ(const std::string& text);
750 /** Write text to this user, appending CR/LF and prepending :server.name
751 * @param text The format string for text to send to the user
752 * @param ... POD-type format arguments
754 void WriteServ(const char* text, ...);
756 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
757 * @param user The user to prepend the :nick!user@host of
758 * @param text A std::string to send to the user
760 void WriteFrom(userrec *user, const std::string &text);
762 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
763 * @param user The user to prepend the :nick!user@host of
764 * @param text The format string for text to send to the user
765 * @param ... POD-type format arguments
767 void WriteFrom(userrec *user, const char* text, ...);
769 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
770 * @param dest The user to route the message to
771 * @param text A std::string to send to the user
773 void WriteTo(userrec *dest, const std::string &data);
775 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
776 * @param dest The user to route the message to
777 * @param text The format string for text to send to the user
778 * @param ... POD-type format arguments
780 void WriteTo(userrec *dest, const char *data, ...);
782 /** Write to all users that can see this user (including this user in the list), appending CR/LF
783 * @param text A std::string to send to the users
785 void WriteCommon(const std::string &text);
787 /** Write to all users that can see this user (including this user in the list), appending CR/LF
788 * @param text The format string for text to send to the users
789 * @param ... POD-type format arguments
791 void WriteCommon(const char* text, ...);
793 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
794 * @param text The format string for text to send to the users
795 * @param ... POD-type format arguments
797 void WriteCommonExcept(const char* text, ...);
799 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
800 * @param text A std::string to send to the users
802 void WriteCommonExcept(const std::string &text);
804 /** Write a WALLOPS message from this user to all local opers.
805 * If this user is not opered, the function will return without doing anything.
806 * @param text The format string to send in the WALLOPS message
807 * @param ... Format arguments
809 void WriteWallOps(const char* text, ...);
811 /** Write a WALLOPS message from this user to all local opers.
812 * If this user is not opered, the function will return without doing anything.
813 * @param text The text to send in the WALLOPS message
815 void WriteWallOps(const std::string &text);
817 /** Return true if the user shares at least one channel with another user
818 * @param other The other user to compare the channel list against
819 * @return True if the given user shares at least one channel with this user
821 bool SharesChannelWith(userrec *other);
823 /** Change the displayed host of a user.
824 * ALWAYS use this function, rather than writing userrec::dhost directly,
825 * as this triggers module events allowing the change to be syncronized to
826 * remote servers. This will also emulate a QUIT and rejoin (where configured)
827 * before setting their host field.
828 * @param host The new hostname to set
829 * @return True if the change succeeded, false if it didn't
831 bool ChangeDisplayedHost(const char* host);
833 /** Change the ident (username) of a user.
834 * ALWAYS use this function, rather than writing userrec::ident directly,
835 * as this correctly causes the user to seem to quit (where configured)
836 * before setting their ident field.
837 * @param host The new ident to set
838 * @return True if the change succeeded, false if it didn't
840 bool ChangeIdent(const char* newident);
842 /** Change a users realname field.
843 * ALWAYS use this function, rather than writing userrec::fullname directly,
844 * as this triggers module events allowing the change to be syncronized to
846 * @param gecos The user's new realname
847 * @return True if the change succeeded, false if otherwise
849 bool ChangeName(const char* gecos);
851 /** Send a notice to all local users from this user
852 * @param text The text format string to send
853 * @param ... Format arguments
855 void NoticeAll(char* text, ...);
857 /** Compile a channel list for this user, and send it to the user 'source'
858 * Used internally by WHOIS
859 * @param The user to send the channel list to if it is not too long
860 * @return This user's channel list
862 std::string ChannelList(userrec* source);
864 /** Split the channel list in cl which came from dest, and spool it to this user
865 * Used internally by WHOIS
866 * @param dest The user the original channel list came from
867 * @param cl The channel list as a string obtained from userrec::ChannelList()
869 void SplitChanList(userrec* dest, const std::string &cl);
871 /** Remove this user from all channels they are on, and delete any that are now empty.
872 * This is used by QUIT, and will not send part messages!
874 void PurgeEmptyChannels();
876 /** Get the connect class which matches this user's host or IP address
877 * @return A reference to this user's connect class
879 ConnectClass* GetClass();
881 /** Show the message of the day to this user
885 /** Show the server RULES file to this user
889 /** Handle socket event.
890 * From EventHandler class.
891 * @param et Event type
892 * @param errornum Error number for EVENT_ERROR events
894 void HandleEvent(EventType et, int errornum = 0);
896 /** Default destructor
901 /* Configuration callbacks */