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"
26 /** Channel status for a user
39 /** connect class types
48 /** RFC1459 channel modes
51 /** +s: Server notices */
52 UM_SERVERNOTICE = 's' - 65,
54 UM_WALLOPS = 'w' - 65,
56 UM_INVISIBLE = 'i' - 65,
58 UM_OPERATOR = 'o' - 65,
59 /** +n: Server notice mask */
63 /** Registration state of a user, e.g.
64 * have they sent USER, NICK, PASS yet?
66 enum RegistrationState {
68 #ifndef WIN32 // Burlex: This is already defined in win32, luckily it is still 0.
69 REG_NONE = 0, /* Has sent nothing */
72 REG_USER = 1, /* Has sent USER */
73 REG_NICK = 2, /* Has sent NICK */
74 REG_NICKUSER = 3, /* Bitwise combination of REG_NICK and REG_USER */
75 REG_ALL = 7 /* REG_NICKUSER plus next bit along */
78 /* Required forward declaration */
81 /** Derived from Resolver, and performs user forward/reverse lookups.
83 class CoreExport UserResolver : public Resolver
86 /** User this class is 'attached' to.
89 /** File descriptor teh lookup is bound to
92 /** True if the lookup is forward, false if is a reverse lookup
96 /** Create a resolver.
97 * @param Instance The creating instance
98 * @param user The user to begin lookup on
99 * @param to_resolve The IP or host to resolve
100 * @param qt The query type
101 * @param cache Modified by the constructor if the result was cached
103 UserResolver(InspIRCd* Instance, User* user, std::string to_resolve, QueryType qt, bool &cache);
105 /** Called on successful lookup
106 * @param result Result string
107 * @param ttl Time to live for result
108 * @param cached True if the result was found in the cache
109 * @param resultnum Result number, we are only interested in result 0
111 void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0);
113 /** Called on failed lookup
114 * @param e Error code
115 * @param errormessage Error message string
117 void OnError(ResolverError e, const std::string &errormessage);
121 /** Holds information relevent to <connect allow> and <connect deny> tags in the config file.
123 class CoreExport ConnectClass : public classbase
126 /** Type of line, either CC_ALLOW or CC_DENY
129 /** Connect class name
132 /** Max time to register the connection in seconds
134 unsigned int registration_timeout;
135 /** Number of lines in buffer before excess flood is triggered
138 /** Host mask for this line
141 /** Number of seconds between pings for this line
143 unsigned int pingtime;
144 /** (Optional) Password for this line
148 /** Threshold value for flood disconnect
150 unsigned int threshold;
152 /** Maximum size of sendq for users in this class (bytes)
154 unsigned long sendqmax;
156 /** Maximum size of recvq for users in this class (bytes)
158 unsigned long recvqmax;
160 /** Local max when connecting by this connection class
162 unsigned long maxlocal;
164 /** Global max when connecting by this connection class
166 unsigned long maxglobal;
168 /** Max channels for this class
170 unsigned int maxchans;
172 /** Port number this connect class applies to
178 /** Create a new connect class based on an existing connect class. This is required for std::vector (at least under windows).
180 ConnectClass(const ConnectClass& source) : classbase(), type(source.type), name(source.name),
181 registration_timeout(source.registration_timeout), flood(source.flood), host(source.host),
182 pingtime(source.pingtime), pass(source.pass), threshold(source.threshold), sendqmax(source.sendqmax),
183 recvqmax(source.recvqmax), maxlocal(source.maxlocal), maxglobal(source.maxglobal), maxchans(source.maxchans),
188 /** Create a new connect class with no settings.
190 ConnectClass() : type(CC_DENY), name("unnamed"), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""),
191 threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }
193 /** Create a new connect class to ALLOW connections.
194 * @param thename Name of the connect class
195 * @param timeout The registration timeout
196 * @param fld The flood value
197 * @param hst The IP mask to allow
198 * @param ping The ping frequency
199 * @param pas The password to be used
200 * @param thres The flooding threshold
201 * @param sendq The maximum sendq value
202 * @param recvq The maximum recvq value
203 * @param maxl The maximum local sessions
204 * @param maxg The maximum global sessions
206 ConnectClass(const std::string &thename, unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
207 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
208 unsigned long maxl, unsigned long maxg, unsigned int maxc, int p = 0) :
209 type(CC_ALLOW), name(thename), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas),
210 threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), maxchans(maxc), port(p) { }
212 /** Create a new connect class to DENY connections
213 * @param thename Name of the connect class
214 * @param hst The IP mask to deny
216 ConnectClass(const std::string &thename, const std::string &hst) : type(CC_DENY), name(thename), registration_timeout(0),
217 flood(0), host(hst), pingtime(0), pass(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0) { }
219 /* Create a new connect class based on another class
220 * @param thename The name of the connect class
221 * @param source Another connect class to inherit all but the name from
223 ConnectClass(const std::string &thename, const ConnectClass &source) : type(source.type), name(thename),
224 registration_timeout(source.registration_timeout), flood(source.flood), host(source.host),
225 pingtime(source.pingtime), pass(source.pass), threshold(source.threshold), sendqmax(source.sendqmax),
226 recvqmax(source.recvqmax), maxlocal(source.maxlocal), maxglobal(source.maxglobal), maxchans(source.maxchans),
231 /* Update an existing entry with new values
233 void Update(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
234 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
235 unsigned long maxl, unsigned long maxg, unsigned int maxc, int p)
238 registration_timeout = timeout;
268 /** Returns the type, CC_ALLOW or CC_DENY
272 return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);
275 std::string& GetName()
280 /** Returns the registration timeout
282 unsigned int GetRegTimeout()
284 return (registration_timeout ? registration_timeout : 90);
287 /** Returns the flood limit
289 unsigned int GetFlood()
291 return (threshold ? flood : 999);
294 /** Returns the allowed or denied IP mask
296 const std::string& GetHost()
315 /** Returns the ping frequency
317 unsigned int GetPingTime()
319 return (pingtime ? pingtime : 120);
322 /** Returns the password or an empty string
324 const std::string& GetPass()
329 /** Returns the flood threshold value
331 unsigned int GetThreshold()
333 return (threshold ? threshold : 1);
336 /** Returns the maximum sendq value
338 unsigned long GetSendqMax()
340 return (sendqmax ? sendqmax : 262114);
343 /** Returns the maximum recvq value
345 unsigned long GetRecvqMax()
347 return (recvqmax ? recvqmax : 4096);
350 /** Returusn the maximum number of local sessions
352 unsigned long GetMaxLocal()
357 /** Returns the maximum number of global sessions
359 unsigned long GetMaxGlobal()
364 bool operator== (ConnectClass &other)
366 return (other.GetName() == name);
369 void operator=(const ConnectClass & other)
373 registration_timeout = other.registration_timeout;
376 pingtime = other.pingtime;
378 threshold = other.threshold;
379 sendqmax = other.sendqmax;
380 recvqmax = other.recvqmax;
381 maxlocal = other.maxlocal;
382 maxglobal = other.maxglobal;
383 maxchans = other.maxchans;
388 /** Holds a complete list of all channels to which a user has been invited and has not yet joined.
390 typedef std::vector<irc::string> InvitedList;
392 /** Holds a complete list of all allow and deny tags from the configuration file (connection classes)
394 typedef std::vector<ConnectClass> ClassVector;
396 /** Typedef for the list of user-channel records for a user
398 typedef std::map<Channel*, char> UserChanList;
400 /** Shorthand for an iterator into a UserChanList
402 typedef UserChanList::iterator UCListIter;
404 /* Required forward declaration
408 /** Visibility data for a user.
409 * If a user has a non-null instance of this class in their User,
410 * then it is used to determine if this user is visible to other users
413 class CoreExport VisData
419 /** Destroy a visdata
422 /** Is this user visible to some other user?
423 * @param user The other user to compare to
424 * @return true True if the user is visible to the other user, false if not
426 virtual bool VisibleTo(User* user);
429 /** Holds all information about a user
430 * This class stores all information about a user connected to the irc server. Everything about a
431 * connection is stored here primarily, from the user's socket ID (file descriptor) through to the
432 * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user
433 * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their
434 * file descriptor value.
436 class CoreExport User : public connection
439 /** Pointer to creator.
440 * This is required to make use of core functions
441 * from within the User class.
443 InspIRCd* ServerInstance;
445 /** A list of channels the user has a pending invite to.
446 * Upon INVITE channels are added, and upon JOIN, the
447 * channels are removed from this list.
451 /** Number of channels this user is currently on
453 unsigned int ChannelCount;
455 /** Cached nick!ident@host value using the real hostname
457 char* cached_fullhost;
459 /** Cached nick!ident@ip value using the real IP address
463 /** Cached nick!ident@host value using the masked hostname
465 char* cached_makehost;
467 /** Cached nick!ident@realhost value using the real hostname
469 char* cached_fullrealhost;
471 /** When we erase the user (in the destructor),
472 * we call this method to subtract one from all
473 * mode characters this user is making use of.
475 void DecrementModes();
477 /** Oper-only quit message for this user if non-null
481 /** Max channels for this user
483 unsigned int MaxChans;
486 /** Resolvers for looking up this users IP address
487 * This will occur if and when res_reverse completes.
488 * When this class completes its lookup, User::dns_done
489 * will be set from false to true.
491 UserResolver* res_forward;
493 /** Resolvers for looking up this users hostname
494 * This is instantiated by User::StartDNSLookup(),
495 * and on success, instantiates User::res_reverse.
497 UserResolver* res_reverse;
499 /** User visibility state, see definition of VisData.
503 /** Stored reverse lookup from res_forward
505 std::string stored_host;
507 /** Starts a DNS lookup of the user's IP.
508 * This will cause two UserResolver classes to be instantiated.
509 * When complete, these objects set User::dns_done to true.
511 void StartDNSLookup();
513 unsigned int GetMaxChans();
515 /** The users nickname.
516 * An invalid nickname indicates an unregistered connection prior to the NICK command.
517 * Use InspIRCd::IsNick() to validate nicknames.
521 /** The user's unique identifier.
522 * This is the unique identifier which the user has across the network.
524 char uuid[UUID_LENGTH];
526 /** The users ident reply.
527 * Two characters are added to the user-defined limit to compensate for the tilde etc.
529 char ident[IDENTMAX+2];
531 /** The host displayed to non-opers (used for cloaking etc).
532 * This usually matches the value of User::host.
536 /** The users full name (GECOS).
538 char fullname[MAXGECOS+1];
540 /** The user's mode list.
541 * This is NOT a null terminated string! In the 1.1 version of InspIRCd
542 * this is an array of values in a similar way to channel modes.
543 * A value of 1 in field (modeletter-65) indicates that the mode is
544 * set, for example, to work out if mode +s is set, we check the field
545 * User::modes['s'-65] != 0.
546 * The following RFC characters o, w, s, i have constants defined via an
547 * enum, such as UM_SERVERNOTICE and UM_OPETATOR.
551 /** What snomasks are set on this user.
552 * This functions the same as the above modes.
556 /** Channels this user is on, and the permissions they have there
560 /** The server the user is connected to.
564 /** The user's away message.
565 * If this string is empty, the user is not marked as away.
567 char awaymsg[MAXAWAY+1];
569 /** Number of lines the user can place into the buffer
570 * (up to the global NetBufferSize bytes) before they
571 * are disconnected for excess flood
575 /** Timestamp of current time + connection class timeout.
576 * This user must send USER/NICK before this timestamp is
577 * reached or they will be disconnected.
581 /** The oper type they logged in as, if they are an oper.
582 * This is used to check permissions in operclasses, so that
583 * we can say 'yay' or 'nay' to any commands they issue.
584 * The value of this is the value of a valid 'type name=' tag.
588 /** True when DNS lookups are completed.
589 * The UserResolver classes res_forward and res_reverse will
590 * set this value once they complete.
594 /** Number of seconds between PINGs for this user (set from <connect:allow> tag
596 unsigned int pingmax;
598 /** Password specified by the user when they registered.
599 * This is stored even if the <connect> block doesnt need a password, so that
600 * modules may check it.
604 /** User's receive queue.
605 * Lines from the IRCd awaiting processing are stored here.
606 * Upgraded april 2005, old system a bit hairy.
610 /** User's send queue.
611 * Lines waiting to be sent are stored here until their buffer is flushed.
615 /** Flood counters - lines received
619 /** Flood counters - time lines_in is due to be reset
623 /** Flood counters - Highest value lines_in may reach before the user gets disconnected
627 /** If this is set to true, then all read operations for the user
628 * are dropped into the bit-bucket.
629 * This is used by the global CullList, but please note that setting this value
630 * alone will NOT cause the user to quit. This means it can be used seperately,
631 * for example by shun modules etc.
635 /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/
636 * GetIPString/GetPort to obtain its values.
640 /** Initialize the clients sockaddr
641 * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6
642 * @param ip A human-readable IP address for this user matching the protcol_family
643 * @param port The port number of this user or zero for a remote user
645 void SetSockAddr(int protocol_family, const char* ip, int port);
647 /** Get port number from sockaddr
648 * @return The port number of this user.
652 /** Get protocol family from sockaddr
653 * @return The protocol family of this user, either AF_INET or AF_INET6
655 int GetProtocolFamily();
657 /** Get IP string from sockaddr, using static internal buffer
658 * @return The IP string
660 const char* GetIPString();
662 /* Write error string
664 std::string WriteError;
666 /** Maximum size this user's sendq can become.
667 * Copied from the connect class on connect.
671 /** Maximum size this user's recvq can become.
672 * Copied from the connect class on connect.
676 /** This is true if the user matched an exception when they connected to the ircd.
677 * It isnt valid after this point, and you should not attempt to do anything with it
678 * after this point, because the eline might be removed at a later time, and/or no
679 * longer be applicable to this user. It is only used to save doing the eline lookup
680 * twice (instead we do it once and set this value).
684 /** This value contains how far into the penalty threshold the user is. Once its over
685 * the penalty threshold then commands are held and processed on-timer.
689 /** True if we are flushing penalty lines
693 /** If this bool is set then penalty rules do not apply to this user
695 bool ExemptFromPenalty;
697 /** Default constructor
698 * @throw CoreException if the UID allocated to the user already exists
699 * @param Instance Creator instance
700 * @param uid User UUID, or empty to allocate one automatically
702 User(InspIRCd* Instance, const std::string &uid = "");
704 /** Returns the full displayed host of the user
705 * This member function returns the hostname of the user as seen by other users
706 * on the server, in nick!ident&at;host form.
707 * @return The full masked host of the user
709 virtual char* GetFullHost();
711 /** Returns the full real host of the user
712 * This member function returns the hostname of the user as seen by other users
713 * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation,
714 * e.g. through a module, then this method will ignore it and return the true hostname.
715 * @return The full real host of the user
717 virtual char* GetFullRealHost();
719 /** This clears any cached results that are used for GetFullRealHost() etc.
720 * The results of these calls are cached as generating them can be generally expensive.
722 void InvalidateCache();
724 /** Create a displayable mode string for this users snomasks
725 * @return The notice mask character sequence
727 const char* FormatNoticeMasks();
729 /** Process a snomask modifier string, e.g. +abc-de
730 * @param sm A sequence of notice mask characters
731 * @return The cleaned mode sequence which can be output,
732 * e.g. in the above example if masks c and e are not
733 * valid, this function will return +ab-d
735 std::string ProcessNoticeMasks(const char *sm);
737 /** Returns true if a notice mask is set
738 * @param sm A notice mask character to check
739 * @return True if the notice mask is set
741 bool IsNoticeMaskSet(unsigned char sm);
743 /** Changed a specific notice mask value
744 * @param sm The server notice mask to change
745 * @param value An on/off value for this mask
747 void SetNoticeMask(unsigned char sm, bool value);
749 /** Create a displayable mode string for this users umodes
750 * @param The mode string
752 const char* FormatModes();
754 /** Returns true if a specific mode is set
755 * @param m The user mode
756 * @return True if the mode is set
758 bool IsModeSet(unsigned char m);
760 /** Set a specific usermode to on or off
761 * @param m The user mode
762 * @param value On or off setting of the mode
764 void SetMode(unsigned char m, bool value);
766 /** Returns true if a user is invited to a channel.
767 * @param channel A channel name to look up
768 * @return True if the user is invited to the given channel
770 virtual bool IsInvited(const irc::string &channel);
772 /** Adds a channel to a users invite list (invites them to a channel)
773 * @param channel A channel name to add
775 virtual void InviteTo(const irc::string &channel);
777 /** Removes a channel from a users invite list.
778 * This member function is called on successfully joining an invite only channel
779 * to which the user has previously been invited, to clear the invitation.
780 * @param channel The channel to remove the invite to
782 virtual void RemoveInvite(const irc::string &channel);
784 /** Returns true or false for if a user can execute a privilaged oper command.
785 * This is done by looking up their oper type from User::oper, then referencing
786 * this to their oper classes and checking the commands they can execute.
787 * @param command A command (should be all CAPS)
788 * @return True if this user can execute the command
790 bool HasPermission(const std::string &command);
792 /** Calls read() to read some data for this user using their fd.
793 * @param buffer The buffer to read into
794 * @param size The size of data to read
795 * @return The number of bytes read, or -1 if an error occured.
797 int ReadData(void* buffer, size_t size);
799 /** This method adds data to the read buffer of the user.
800 * The buffer can grow to any size within limits of the available memory,
801 * managed by the size of a std::string, however if any individual line in
802 * the buffer grows over 600 bytes in length (which is 88 chars over the
803 * RFC-specified limit per line) then the method will return false and the
804 * text will not be inserted.
805 * @param a The string to add to the users read buffer
806 * @return True if the string was successfully added to the read buffer
808 bool AddBuffer(std::string a);
810 /** This method returns true if the buffer contains at least one carriage return
811 * character (e.g. one complete line may be read)
812 * @return True if there is at least one complete line in the users buffer
814 bool BufferIsReady();
816 /** This function clears the entire buffer by setting it to an empty string.
820 /** This method returns the first available string at the tail end of the buffer
821 * and advances the tail end of the buffer past the string. This means it is
822 * a one way operation in a similar way to strtok(), and multiple calls return
823 * multiple lines if they are available. The results of this function if there
824 * are no lines to be read are unknown, always use BufferIsReady() to check if
825 * it is ok to read the buffer before calling GetBuffer().
826 * @return The string at the tail end of this users buffer
828 std::string GetBuffer();
830 /** Sets the write error for a connection. This is done because the actual disconnect
831 * of a client may occur at an inopportune time such as half way through /LIST output.
832 * The WriteErrors of clients are checked at a more ideal time (in the mainloop) and
833 * errored clients purged.
834 * @param error The error string to set.
836 void SetWriteError(const std::string &error);
838 /** Returns the write error which last occured on this connection or an empty string
840 * @return The error string which has occured for this user
842 const char* GetWriteError();
844 /** Adds to the user's write buffer.
845 * You may add any amount of text up to this users sendq value, if you exceed the
846 * sendq value, SetWriteError() will be called to set the users error string to
847 * "SendQ exceeded", and further buffer adds will be dropped.
848 * @param data The data to add to the write buffer
850 void AddWriteBuf(const std::string &data);
852 /** Flushes as much of the user's buffer to the file descriptor as possible.
853 * This function may not always flush the entire buffer, rather instead as much of it
854 * as it possibly can. If the send() call fails to send the entire buffer, the buffer
855 * position is advanced forwards and the rest of the data sent at the next call to
858 void FlushWriteBuf();
860 /** Returns the list of channels this user has been invited to but has not yet joined.
861 * @return A list of channels the user is invited to
863 InvitedList* GetInviteList();
865 /** Creates a wildcard host.
866 * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname
867 * @return The wildcarded hostname in *!*@host form
869 char* MakeWildHost();
871 /** Creates a usermask with real host.
872 * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host
873 * @return the usermask in the format user@host
877 /** Creates a usermask with real ip.
878 * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip
879 * @return the usermask in the format user@ip
883 /** Shuts down and closes the user's socket
884 * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,
885 * which will call CloseSocket() for you.
889 /** Disconnect a user gracefully
890 * @param user The user to remove
891 * @param r The quit reason to show to normal users
892 * @param oreason The quit reason to show to opers
893 * @return Although this function has no return type, on exit the user provided will no longer exist.
895 static void QuitUser(InspIRCd* Instance, User *user, const std::string &r, const char* oreason = "");
897 /** Add the user to WHOWAS system
901 /** Oper up the user using the given opertype.
902 * This will also give the +o usermode.
903 * @param opertype The oper type to oper as
905 void Oper(const std::string &opertype);
907 /** Call this method to find the matching <connect> for a user, and to check them against it.
909 void CheckClass(const std::string &explicit_class = "");
911 /** Use this method to fully connect a user.
912 * This will send the message of the day, check G/K/E lines, etc.
916 /** Change this users hash key to a new string.
917 * You should not call this function directly. It is used by the core
918 * to update the users hash entry on a nickchange.
919 * @param New new user_hash key
920 * @return Pointer to User in hash (usually 'this')
922 User* UpdateNickHash(const char* New);
924 /** Force a nickname change.
925 * If the nickname change fails (for example, because the nick in question
926 * already exists) this function will return false, and you must then either
927 * output an error message, or quit the user for nickname collision.
928 * @param newnick The nickname to change to
929 * @return True if the nickchange was successful.
931 bool ForceNickChange(const char* newnick);
933 /** Add a client to the system.
934 * This will create a new User, insert it into the user_hash,
935 * initialize it as not yet registered, and add it to the socket engine.
936 * @param Instance a pointer to the server instance
937 * @param socket The socket id (file descriptor) this user is on
938 * @param port The port number this user connected on
939 * @param iscached This variable is reserved for future use
940 * @param ip The IP address of the user
941 * @return This function has no return value, but a call to AddClient may remove the user.
943 static void AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip);
946 * This will clear the +o usermode and unset the user's oper type
950 /** Return the number of global clones of this user
951 * @return The global clone count of this user
953 unsigned long GlobalCloneCount();
955 /** Return the number of local clones of this user
956 * @return The local clone count of this user
958 unsigned long LocalCloneCount();
960 /** Remove all clone counts from the user, you should
961 * use this if you change the user's IP address in
962 * User::ip after they have registered.
964 void RemoveCloneCounts();
966 /** Write text to this user, appending CR/LF.
967 * @param text A std::string to send to the user
969 void Write(std::string text);
971 /** Write text to this user, appending CR/LF.
972 * @param text The format string for text to send to the user
973 * @param ... POD-type format arguments
975 void Write(const char *text, ...);
977 /** Write text to this user, appending CR/LF and prepending :server.name
978 * @param text A std::string to send to the user
980 void WriteServ(const std::string& text);
982 /** Write text to this user, appending CR/LF and prepending :server.name
983 * @param text The format string for text to send to the user
984 * @param ... POD-type format arguments
986 void WriteServ(const char* text, ...);
988 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
989 * @param user The user to prepend the :nick!user@host of
990 * @param text A std::string to send to the user
992 void WriteFrom(User *user, const std::string &text);
994 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
995 * @param user The user to prepend the :nick!user@host of
996 * @param text The format string for text to send to the user
997 * @param ... POD-type format arguments
999 void WriteFrom(User *user, const char* text, ...);
1001 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
1002 * @param dest The user to route the message to
1003 * @param text A std::string to send to the user
1005 void WriteTo(User *dest, const std::string &data);
1007 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
1008 * @param dest The user to route the message to
1009 * @param text The format string for text to send to the user
1010 * @param ... POD-type format arguments
1012 void WriteTo(User *dest, const char *data, ...);
1014 /** Write to all users that can see this user (including this user in the list), appending CR/LF
1015 * @param text A std::string to send to the users
1017 void WriteCommon(const std::string &text);
1019 /** Write to all users that can see this user (including this user in the list), appending CR/LF
1020 * @param text The format string for text to send to the users
1021 * @param ... POD-type format arguments
1023 void WriteCommon(const char* text, ...);
1025 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
1026 * @param text The format string for text to send to the users
1027 * @param ... POD-type format arguments
1029 void WriteCommonExcept(const char* text, ...);
1031 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
1032 * @param text A std::string to send to the users
1034 void WriteCommonExcept(const std::string &text);
1036 /** Write a quit message to all common users, as in User::WriteCommonExcept but with a specific
1037 * quit message for opers only.
1038 * @param normal_text Normal user quit message
1039 * @param oper_text Oper only quit message
1041 void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text);
1043 /** Write a WALLOPS message from this user to all local opers.
1044 * If this user is not opered, the function will return without doing anything.
1045 * @param text The format string to send in the WALLOPS message
1046 * @param ... Format arguments
1048 void WriteWallOps(const char* text, ...);
1050 /** Write a WALLOPS message from this user to all local opers.
1051 * If this user is not opered, the function will return without doing anything.
1052 * @param text The text to send in the WALLOPS message
1054 void WriteWallOps(const std::string &text);
1056 /** Return true if the user shares at least one channel with another user
1057 * @param other The other user to compare the channel list against
1058 * @return True if the given user shares at least one channel with this user
1060 bool SharesChannelWith(User *other);
1062 /** Change the displayed host of a user.
1063 * ALWAYS use this function, rather than writing User::dhost directly,
1064 * as this triggers module events allowing the change to be syncronized to
1065 * remote servers. This will also emulate a QUIT and rejoin (where configured)
1066 * before setting their host field.
1067 * @param host The new hostname to set
1068 * @return True if the change succeeded, false if it didn't
1070 bool ChangeDisplayedHost(const char* host);
1072 /** Change the ident (username) of a user.
1073 * ALWAYS use this function, rather than writing User::ident directly,
1074 * as this correctly causes the user to seem to quit (where configured)
1075 * before setting their ident field.
1076 * @param host The new ident to set
1077 * @return True if the change succeeded, false if it didn't
1079 bool ChangeIdent(const char* newident);
1081 /** Change a users realname field.
1082 * ALWAYS use this function, rather than writing User::fullname directly,
1083 * as this triggers module events allowing the change to be syncronized to
1085 * @param gecos The user's new realname
1086 * @return True if the change succeeded, false if otherwise
1088 bool ChangeName(const char* gecos);
1090 /** Send a command to all local users from this user
1091 * The command given must be able to send text with the
1092 * first parameter as a servermask (e.g. $*), so basically
1093 * you should use PRIVMSG or NOTICE.
1094 * @param command the command to send
1095 * @param text The text format string to send
1096 * @param ... Format arguments
1098 void SendAll(const char* command, char* text, ...);
1100 /** Compile a channel list for this user, and send it to the user 'source'
1101 * Used internally by WHOIS
1102 * @param The user to send the channel list to if it is not too long
1103 * @return This user's channel list
1105 std::string ChannelList(User* source);
1107 /** Split the channel list in cl which came from dest, and spool it to this user
1108 * Used internally by WHOIS
1109 * @param dest The user the original channel list came from
1110 * @param cl The channel list as a string obtained from User::ChannelList()
1112 void SplitChanList(User* dest, const std::string &cl);
1114 /** Remove this user from all channels they are on, and delete any that are now empty.
1115 * This is used by QUIT, and will not send part messages!
1117 void PurgeEmptyChannels();
1119 /** Get the connect class which matches this user's host or IP address
1120 * @param explicit_name Set this string to tie the user to a specific class name
1121 * @return A reference to this user's connect class
1123 ConnectClass* GetClass(const std::string &explicit_name = "");
1125 /** Show the message of the day to this user
1129 /** Show the server RULES file to this user
1133 /** Set oper-specific quit message shown to opers only when the user quits
1134 * (overrides any sent by QuitUser)
1136 void SetOperQuit(const std::string &oquit);
1138 /** Get oper-specific quit message shown only to opers when the user quits.
1139 * (overrides any sent by QuitUser)
1141 const char* GetOperQuit();
1143 /** Increases a user's command penalty by a set amount.
1145 void IncreasePenalty(int increase);
1147 /** Decreases a user's command penalty by a set amount.
1149 void DecreasePenalty(int decrease);
1151 /** Handle socket event.
1152 * From EventHandler class.
1153 * @param et Event type
1154 * @param errornum Error number for EVENT_ERROR events
1156 void HandleEvent(EventType et, int errornum = 0);
1158 /** Default destructor
1163 /* Configuration callbacks */