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, userrec* 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;
167 /** Port number this connect class applies to
173 /** Create a new connect class with no settings.
175 ConnectClass() : type(CC_DENY), name("unnamed"), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""),
176 threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0) { }
178 /** Create a new connect class to ALLOW connections.
179 * @param thename Name of the connect class
180 * @param timeout The registration timeout
181 * @param fld The flood value
182 * @param hst The IP mask to allow
183 * @param ping The ping frequency
184 * @param pas The password to be used
185 * @param thres The flooding threshold
186 * @param sendq The maximum sendq value
187 * @param recvq The maximum recvq value
188 * @param maxl The maximum local sessions
189 * @param maxg The maximum global sessions
191 ConnectClass(const std::string &thename, unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
192 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
193 unsigned long maxl, unsigned long maxg, int p = 0) :
194 type(CC_ALLOW), name(thename), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas),
195 threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), port(p) { }
197 /** Create a new connect class to DENY connections
198 * @param thename Name of the connect class
199 * @param hst The IP mask to deny
201 ConnectClass(const std::string &thename, const std::string &hst) : type(CC_DENY), name(thename), registration_timeout(0),
202 flood(0), host(hst), pingtime(0), pass(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), port(0) { }
204 /* Create a new connect class based on another class
205 * @param thename The name of the connect class
206 * @param source Another connect class to inherit all but the name from
208 ConnectClass(const std::string &thename, const ConnectClass &source) : type(source.type), name(thename),
209 registration_timeout(source.registration_timeout), flood(source.flood), host(source.host),
210 pingtime(source.pingtime), pass(source.pass), threshold(source.threshold), sendqmax(source.sendqmax),
211 recvqmax(source.recvqmax), maxlocal(source.maxlocal), maxglobal(source.maxglobal), port(source.port)
215 /* Update an existing entry with new values
217 void Update(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
218 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
219 unsigned long maxl, unsigned long maxg, int p)
222 registration_timeout = timeout;
245 /** Returns the type, CC_ALLOW or CC_DENY
249 return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);
252 std::string& GetName()
257 /** Returns the registration timeout
259 unsigned int GetRegTimeout()
261 return (registration_timeout ? registration_timeout : 90);
264 /** Returns the flood limit
266 unsigned int GetFlood()
268 return (threshold ? flood : 999);
271 /** Returns the allowed or denied IP mask
273 const std::string& GetHost()
292 /** Returns the ping frequency
294 unsigned int GetPingTime()
296 return (pingtime ? pingtime : 120);
299 /** Returns the password or an empty string
301 const std::string& GetPass()
306 /** Returns the flood threshold value
308 unsigned int GetThreshold()
310 return (threshold ? threshold : 1);
313 /** Returns the maximum sendq value
315 unsigned long GetSendqMax()
317 return (sendqmax ? sendqmax : 262114);
320 /** Returns the maximum recvq value
322 unsigned long GetRecvqMax()
324 return (recvqmax ? recvqmax : 4096);
327 /** Returusn the maximum number of local sessions
329 unsigned long GetMaxLocal()
334 /** Returns the maximum number of global sessions
336 unsigned long GetMaxGlobal()
341 bool operator= (ConnectClass &other)
343 return (other.GetName() == name);
347 /** Holds a complete list of all channels to which a user has been invited and has not yet joined.
349 typedef std::vector<irc::string> InvitedList;
351 /** Holds a complete list of all allow and deny tags from the configuration file (connection classes)
353 typedef std::vector<ConnectClass> ClassVector;
355 /** Typedef for the list of user-channel records for a user
357 typedef std::map<chanrec*, char> UserChanList;
359 /** Shorthand for an iterator into a UserChanList
361 typedef UserChanList::iterator UCListIter;
363 /* Required forward declaration
367 /** Visibility data for a user.
368 * If a user has a non-null instance of this class in their userrec,
369 * then it is used to determine if this user is visible to other users
372 class CoreExport VisData
378 /** Destroy a visdata
381 /** Is this user visible to some other user?
382 * @param user The other user to compare to
383 * @return true True if the user is visible to the other user, false if not
385 virtual bool VisibleTo(userrec* user);
388 /** Holds all information about a user
389 * This class stores all information about a user connected to the irc server. Everything about a
390 * connection is stored here primarily, from the user's socket ID (file descriptor) through to the
391 * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user
392 * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their
393 * file descriptor value.
395 class CoreExport userrec : public connection
398 /** Pointer to creator.
399 * This is required to make use of core functions
400 * from within the userrec class.
402 InspIRCd* ServerInstance;
404 /** A list of channels the user has a pending invite to.
405 * Upon INVITE channels are added, and upon JOIN, the
406 * channels are removed from this list.
410 /** Number of channels this user is currently on
412 unsigned int ChannelCount;
414 /** Cached nick!ident@host value using the real hostname
416 char* cached_fullhost;
418 /** Cached nick!ident@ip value using the real IP address
422 /** Cached nick!ident@host value using the masked hostname
424 char* cached_makehost;
426 /** Cached nick!ident@realhost value using the real hostname
428 char* cached_fullrealhost;
430 /** When we erase the user (in the destructor),
431 * we call this method to subtract one from all
432 * mode characters this user is making use of.
434 void DecrementModes();
436 /** Oper-only quit message for this user if non-null
441 /** Resolvers for looking up this users IP address
442 * This will occur if and when res_reverse completes.
443 * When this class completes its lookup, userrec::dns_done
444 * will be set from false to true.
446 UserResolver* res_forward;
448 /** Resolvers for looking up this users hostname
449 * This is instantiated by userrec::StartDNSLookup(),
450 * and on success, instantiates userrec::res_reverse.
452 UserResolver* res_reverse;
454 /** User visibility state, see definition of VisData.
458 /** Stored reverse lookup from res_forward
460 std::string stored_host;
462 /** Starts a DNS lookup of the user's IP.
463 * This will cause two UserResolver classes to be instantiated.
464 * When complete, these objects set userrec::dns_done to true.
466 void StartDNSLookup();
468 /** The users nickname.
469 * An invalid nickname indicates an unregistered connection prior to the NICK command.
470 * Use InspIRCd::IsNick() to validate nicknames.
474 /** The users ident reply.
475 * Two characters are added to the user-defined limit to compensate for the tilde etc.
477 char ident[IDENTMAX+2];
479 /** The host displayed to non-opers (used for cloaking etc).
480 * This usually matches the value of userrec::host.
484 /** The users full name (GECOS).
486 char fullname[MAXGECOS+1];
488 /** The user's mode list.
489 * This is NOT a null terminated string! In the 1.1 version of InspIRCd
490 * this is an array of values in a similar way to channel modes.
491 * A value of 1 in field (modeletter-65) indicates that the mode is
492 * set, for example, to work out if mode +s is set, we check the field
493 * userrec::modes['s'-65] != 0.
494 * The following RFC characters o, w, s, i have constants defined via an
495 * enum, such as UM_SERVERNOTICE and UM_OPETATOR.
499 /** What snomasks are set on this user.
500 * This functions the same as the above modes.
504 /** Channels this user is on, and the permissions they have there
508 /** The server the user is connected to.
512 /** The user's away message.
513 * If this string is empty, the user is not marked as away.
515 char awaymsg[MAXAWAY+1];
517 /** Number of lines the user can place into the buffer
518 * (up to the global NetBufferSize bytes) before they
519 * are disconnected for excess flood
523 /** Timestamp of current time + connection class timeout.
524 * This user must send USER/NICK before this timestamp is
525 * reached or they will be disconnected.
529 /** The oper type they logged in as, if they are an oper.
530 * This is used to check permissions in operclasses, so that
531 * we can say 'yay' or 'nay' to any commands they issue.
532 * The value of this is the value of a valid 'type name=' tag.
536 /** True when DNS lookups are completed.
537 * The UserResolver classes res_forward and res_reverse will
538 * set this value once they complete.
542 /** Number of seconds between PINGs for this user (set from <connect:allow> tag
544 unsigned int pingmax;
546 /** Password specified by the user when they registered.
547 * This is stored even if the <connect> block doesnt need a password, so that
548 * modules may check it.
552 /** User's receive queue.
553 * Lines from the IRCd awaiting processing are stored here.
554 * Upgraded april 2005, old system a bit hairy.
558 /** User's send queue.
559 * Lines waiting to be sent are stored here until their buffer is flushed.
563 /** Flood counters - lines received
567 /** Flood counters - time lines_in is due to be reset
571 /** Flood counters - Highest value lines_in may reach before the user gets disconnected
575 /** If this is set to true, then all read operations for the user
576 * are dropped into the bit-bucket.
577 * This is used by the global CullList, but please note that setting this value
578 * alone will NOT cause the user to quit. This means it can be used seperately,
579 * for example by shun modules etc.
583 /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/
584 * GetIPString/GetPort to obtain its values.
588 /** Initialize the clients sockaddr
589 * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6
590 * @param ip A human-readable IP address for this user matching the protcol_family
591 * @param port The port number of this user or zero for a remote user
593 void SetSockAddr(int protocol_family, const char* ip, int port);
595 /** Get port number from sockaddr
596 * @return The port number of this user.
600 /** Get protocol family from sockaddr
601 * @return The protocol family of this user, either AF_INET or AF_INET6
603 int GetProtocolFamily();
605 /** Get IP string from sockaddr, using static internal buffer
606 * @return The IP string
608 const char* GetIPString();
610 /** Get IP string from sockaddr, using caller-specified buffer
611 * @param buf A buffer to use
612 * @return The IP string
614 const char* GetIPString(char* buf);
616 /* Write error string
618 std::string WriteError;
620 /** Maximum size this user's sendq can become.
621 * Copied from the connect class on connect.
625 /** Maximum size this user's recvq can become.
626 * Copied from the connect class on connect.
630 /** This is true if the user matched an exception when they connected to the ircd.
631 * It isnt valid after this point, and you should not attempt to do anything with it
632 * after this point, because the eline might be removed at a later time, and/or no
633 * longer be applicable to this user. It is only used to save doing the eline lookup
634 * twice (instead we do it once and set this value).
638 /** Default constructor
639 * @throw Nothing at present
641 userrec(InspIRCd* Instance);
643 /** Returns the full displayed host of the user
644 * This member function returns the hostname of the user as seen by other users
645 * on the server, in nick!ident&at;host form.
646 * @return The full masked host of the user
648 virtual char* GetFullHost();
650 /** Returns the full real host of the user
651 * This member function returns the hostname of the user as seen by other users
652 * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation,
653 * e.g. through a module, then this method will ignore it and return the true hostname.
654 * @return The full real host of the user
656 virtual char* GetFullRealHost();
658 /** This clears any cached results that are used for GetFullRealHost() etc.
659 * The results of these calls are cached as generating them can be generally expensive.
661 void InvalidateCache();
663 /** Create a displayable mode string for this users snomasks
664 * @return The notice mask character sequence
666 const char* FormatNoticeMasks();
668 /** Process a snomask modifier string, e.g. +abc-de
669 * @param sm A sequence of notice mask characters
670 * @return The cleaned mode sequence which can be output,
671 * e.g. in the above example if masks c and e are not
672 * valid, this function will return +ab-d
674 std::string ProcessNoticeMasks(const char *sm);
676 /** Returns true if a notice mask is set
677 * @param sm A notice mask character to check
678 * @return True if the notice mask is set
680 bool IsNoticeMaskSet(unsigned char sm);
682 /** Changed a specific notice mask value
683 * @param sm The server notice mask to change
684 * @param value An on/off value for this mask
686 void SetNoticeMask(unsigned char sm, bool value);
688 /** Create a displayable mode string for this users umodes
689 * @param The mode string
691 const char* FormatModes();
693 /** Returns true if a specific mode is set
694 * @param m The user mode
695 * @return True if the mode is set
697 bool IsModeSet(unsigned char m);
699 /** Set a specific usermode to on or off
700 * @param m The user mode
701 * @param value On or off setting of the mode
703 void SetMode(unsigned char m, bool value);
705 /** Returns true if a user is invited to a channel.
706 * @param channel A channel name to look up
707 * @return True if the user is invited to the given channel
709 virtual bool IsInvited(const irc::string &channel);
711 /** Adds a channel to a users invite list (invites them to a channel)
712 * @param channel A channel name to add
714 virtual void InviteTo(const irc::string &channel);
716 /** Removes a channel from a users invite list.
717 * This member function is called on successfully joining an invite only channel
718 * to which the user has previously been invited, to clear the invitation.
719 * @param channel The channel to remove the invite to
721 virtual void RemoveInvite(const irc::string &channel);
723 /** Returns true or false for if a user can execute a privilaged oper command.
724 * This is done by looking up their oper type from userrec::oper, then referencing
725 * this to their oper classes and checking the commands they can execute.
726 * @param command A command (should be all CAPS)
727 * @return True if this user can execute the command
729 bool HasPermission(const std::string &command);
731 /** Calls read() to read some data for this user using their fd.
732 * @param buffer The buffer to read into
733 * @param size The size of data to read
734 * @return The number of bytes read, or -1 if an error occured.
736 int ReadData(void* buffer, size_t size);
738 /** This method adds data to the read buffer of the user.
739 * The buffer can grow to any size within limits of the available memory,
740 * managed by the size of a std::string, however if any individual line in
741 * the buffer grows over 600 bytes in length (which is 88 chars over the
742 * RFC-specified limit per line) then the method will return false and the
743 * text will not be inserted.
744 * @param a The string to add to the users read buffer
745 * @return True if the string was successfully added to the read buffer
747 bool AddBuffer(std::string a);
749 /** This method returns true if the buffer contains at least one carriage return
750 * character (e.g. one complete line may be read)
751 * @return True if there is at least one complete line in the users buffer
753 bool BufferIsReady();
755 /** This function clears the entire buffer by setting it to an empty string.
759 /** This method returns the first available string at the tail end of the buffer
760 * and advances the tail end of the buffer past the string. This means it is
761 * a one way operation in a similar way to strtok(), and multiple calls return
762 * multiple lines if they are available. The results of this function if there
763 * are no lines to be read are unknown, always use BufferIsReady() to check if
764 * it is ok to read the buffer before calling GetBuffer().
765 * @return The string at the tail end of this users buffer
767 std::string GetBuffer();
769 /** Sets the write error for a connection. This is done because the actual disconnect
770 * of a client may occur at an inopportune time such as half way through /LIST output.
771 * The WriteErrors of clients are checked at a more ideal time (in the mainloop) and
772 * errored clients purged.
773 * @param error The error string to set.
775 void SetWriteError(const std::string &error);
777 /** Returns the write error which last occured on this connection or an empty string
779 * @return The error string which has occured for this user
781 const char* GetWriteError();
783 /** Adds to the user's write buffer.
784 * You may add any amount of text up to this users sendq value, if you exceed the
785 * sendq value, SetWriteError() will be called to set the users error string to
786 * "SendQ exceeded", and further buffer adds will be dropped.
787 * @param data The data to add to the write buffer
789 void AddWriteBuf(const std::string &data);
791 /** Flushes as much of the user's buffer to the file descriptor as possible.
792 * This function may not always flush the entire buffer, rather instead as much of it
793 * as it possibly can. If the send() call fails to send the entire buffer, the buffer
794 * position is advanced forwards and the rest of the data sent at the next call to
797 void FlushWriteBuf();
799 /** Returns the list of channels this user has been invited to but has not yet joined.
800 * @return A list of channels the user is invited to
802 InvitedList* GetInviteList();
804 /** Creates a wildcard host.
805 * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname
806 * @return The wildcarded hostname in *!*@host form
808 char* MakeWildHost();
810 /** Creates a usermask with real host.
811 * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host
812 * @return the usermask in the format user@host
816 /** Creates a usermask with real ip.
817 * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip
818 * @return the usermask in the format user@ip
822 /** Shuts down and closes the user's socket
823 * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,
824 * which will call CloseSocket() for you.
828 /** Disconnect a user gracefully
829 * @param user The user to remove
830 * @param r The quit reason to show to normal users
831 * @param oreason The quit reason to show to opers
832 * @return Although this function has no return type, on exit the user provided will no longer exist.
834 static void QuitUser(InspIRCd* Instance, userrec *user, const std::string &r, const char* oreason = "");
836 /** Add the user to WHOWAS system
840 /** Oper up the user using the given opertype.
841 * This will also give the +o usermode.
842 * @param opertype The oper type to oper as
844 void Oper(const std::string &opertype);
846 /** Call this method to find the matching <connect> for a user, and to check them against it.
848 void CheckClass(const std::string &explicit_class = "");
850 /** Use this method to fully connect a user.
851 * This will send the message of the day, check G/K/E lines, etc.
855 /** Change this users hash key to a new string.
856 * You should not call this function directly. It is used by the core
857 * to update the users hash entry on a nickchange.
858 * @param New new user_hash key
859 * @return Pointer to userrec in hash (usually 'this')
861 userrec* UpdateNickHash(const char* New);
863 /** Force a nickname change.
864 * If the nickname change fails (for example, because the nick in question
865 * already exists) this function will return false, and you must then either
866 * output an error message, or quit the user for nickname collision.
867 * @param newnick The nickname to change to
868 * @return True if the nickchange was successful.
870 bool ForceNickChange(const char* newnick);
872 /** Add a client to the system.
873 * This will create a new userrec, insert it into the user_hash,
874 * initialize it as not yet registered, and add it to the socket engine.
875 * @param Instance a pointer to the server instance
876 * @param socket The socket id (file descriptor) this user is on
877 * @param port The port number this user connected on
878 * @param iscached This variable is reserved for future use
879 * @param ip The IP address of the user
880 * @return This function has no return value, but a call to AddClient may remove the user.
882 static void AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip);
885 * This will clear the +o usermode and unset the user's oper type
889 /** Return the number of global clones of this user
890 * @return The global clone count of this user
892 unsigned long GlobalCloneCount();
894 /** Return the number of local clones of this user
895 * @return The local clone count of this user
897 unsigned long LocalCloneCount();
899 /** Remove all clone counts from the user, you should
900 * use this if you change the user's IP address in
901 * userrec::ip after they have registered.
903 void RemoveCloneCounts();
905 /** Write text to this user, appending CR/LF.
906 * @param text A std::string to send to the user
908 void Write(std::string text);
910 /** Write text to this user, appending CR/LF.
911 * @param text The format string for text to send to the user
912 * @param ... POD-type format arguments
914 void Write(const char *text, ...);
916 /** Write text to this user, appending CR/LF and prepending :server.name
917 * @param text A std::string to send to the user
919 void WriteServ(const std::string& text);
921 /** Write text to this user, appending CR/LF and prepending :server.name
922 * @param text The format string for text to send to the user
923 * @param ... POD-type format arguments
925 void WriteServ(const char* text, ...);
927 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
928 * @param user The user to prepend the :nick!user@host of
929 * @param text A std::string to send to the user
931 void WriteFrom(userrec *user, const std::string &text);
933 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
934 * @param user The user to prepend the :nick!user@host of
935 * @param text The format string for text to send to the user
936 * @param ... POD-type format arguments
938 void WriteFrom(userrec *user, const char* text, ...);
940 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
941 * @param dest The user to route the message to
942 * @param text A std::string to send to the user
944 void WriteTo(userrec *dest, const std::string &data);
946 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
947 * @param dest The user to route the message to
948 * @param text The format string for text to send to the user
949 * @param ... POD-type format arguments
951 void WriteTo(userrec *dest, const char *data, ...);
953 /** Write to all users that can see this user (including this user in the list), appending CR/LF
954 * @param text A std::string to send to the users
956 void WriteCommon(const std::string &text);
958 /** Write to all users that can see this user (including this user in the list), appending CR/LF
959 * @param text The format string for text to send to the users
960 * @param ... POD-type format arguments
962 void WriteCommon(const char* text, ...);
964 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
965 * @param text The format string for text to send to the users
966 * @param ... POD-type format arguments
968 void WriteCommonExcept(const char* text, ...);
970 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
971 * @param text A std::string to send to the users
973 void WriteCommonExcept(const std::string &text);
975 /** Write a quit message to all common users, as in userrec::WriteCommonExcept but with a specific
976 * quit message for opers only.
977 * @param normal_text Normal user quit message
978 * @param oper_text Oper only quit message
980 void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text);
982 /** Write a WALLOPS message from this user to all local opers.
983 * If this user is not opered, the function will return without doing anything.
984 * @param text The format string to send in the WALLOPS message
985 * @param ... Format arguments
987 void WriteWallOps(const char* text, ...);
989 /** Write a WALLOPS message from this user to all local opers.
990 * If this user is not opered, the function will return without doing anything.
991 * @param text The text to send in the WALLOPS message
993 void WriteWallOps(const std::string &text);
995 /** Return true if the user shares at least one channel with another user
996 * @param other The other user to compare the channel list against
997 * @return True if the given user shares at least one channel with this user
999 bool SharesChannelWith(userrec *other);
1001 /** Change the displayed host of a user.
1002 * ALWAYS use this function, rather than writing userrec::dhost directly,
1003 * as this triggers module events allowing the change to be syncronized to
1004 * remote servers. This will also emulate a QUIT and rejoin (where configured)
1005 * before setting their host field.
1006 * @param host The new hostname to set
1007 * @return True if the change succeeded, false if it didn't
1009 bool ChangeDisplayedHost(const char* host);
1011 /** Change the ident (username) of a user.
1012 * ALWAYS use this function, rather than writing userrec::ident directly,
1013 * as this correctly causes the user to seem to quit (where configured)
1014 * before setting their ident field.
1015 * @param host The new ident to set
1016 * @return True if the change succeeded, false if it didn't
1018 bool ChangeIdent(const char* newident);
1020 /** Change a users realname field.
1021 * ALWAYS use this function, rather than writing userrec::fullname directly,
1022 * as this triggers module events allowing the change to be syncronized to
1024 * @param gecos The user's new realname
1025 * @return True if the change succeeded, false if otherwise
1027 bool ChangeName(const char* gecos);
1029 /** Send a command to all local users from this user
1030 * The command given must be able to send text with the
1031 * first parameter as a servermask (e.g. $*), so basically
1032 * you should use PRIVMSG or NOTICE.
1033 * @param command the command to send
1034 * @param text The text format string to send
1035 * @param ... Format arguments
1037 void SendAll(const char* command, char* text, ...);
1039 /** Compile a channel list for this user, and send it to the user 'source'
1040 * Used internally by WHOIS
1041 * @param The user to send the channel list to if it is not too long
1042 * @return This user's channel list
1044 std::string ChannelList(userrec* source);
1046 /** Split the channel list in cl which came from dest, and spool it to this user
1047 * Used internally by WHOIS
1048 * @param dest The user the original channel list came from
1049 * @param cl The channel list as a string obtained from userrec::ChannelList()
1051 void SplitChanList(userrec* dest, const std::string &cl);
1053 /** Remove this user from all channels they are on, and delete any that are now empty.
1054 * This is used by QUIT, and will not send part messages!
1056 void PurgeEmptyChannels();
1058 /** Get the connect class which matches this user's host or IP address
1059 * @param explicit_name Set this string to tie the user to a specific class name
1060 * @return A reference to this user's connect class
1062 ConnectClass* GetClass(const std::string &explicit_name = "");
1064 /** Show the message of the day to this user
1068 /** Show the server RULES file to this user
1072 /** Set oper-specific quit message shown to opers only when the user quits
1073 * (overrides any sent by QuitUser)
1075 void SetOperQuit(const std::string &oquit);
1077 /** Get oper-specific quit message shown only to opers when the user quits.
1078 * (overrides any sent by QuitUser)
1080 const char* GetOperQuit();
1082 /** Handle socket event.
1083 * From EventHandler class.
1084 * @param et Event type
1085 * @param errornum Error number for EVENT_ERROR events
1087 void HandleEvent(EventType et, int errornum = 0);
1089 /** Default destructor
1094 /* Configuration callbacks */