1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2008 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 * ---------------------------------------------------
21 /** Channel status for a user
34 /** connect class types
43 /** RFC1459 channel modes
46 /** +s: Server notice mask */
47 UM_SNOMASK = 's' - 65,
49 UM_WALLOPS = 'w' - 65,
51 UM_INVISIBLE = 'i' - 65,
53 UM_OPERATOR = 'o' - 65
56 /** Registration state of a user, e.g.
57 * have they sent USER, NICK, PASS yet?
59 enum RegistrationState {
61 #ifndef WIN32 // Burlex: This is already defined in win32, luckily it is still 0.
62 REG_NONE = 0, /* Has sent nothing */
65 REG_USER = 1, /* Has sent USER */
66 REG_NICK = 2, /* Has sent NICK */
67 REG_NICKUSER = 3, /* Bitwise combination of REG_NICK and REG_USER */
68 REG_ALL = 7 /* REG_NICKUSER plus next bit along */
71 /* Required forward declaration */
75 /** Holds information relevent to <connect allow> and <connect deny> tags in the config file.
77 class CoreExport ConnectClass : public classbase
80 /** Type of line, either CC_ALLOW or CC_DENY
83 /** Connect class name
86 /** Max time to register the connection in seconds
88 unsigned int registration_timeout;
89 /** Number of lines in buffer before excess flood is triggered
92 /** Host mask for this line
95 /** Number of seconds between pings for this line
97 unsigned int pingtime;
98 /** (Optional) Password for this line
102 /** (Optional) Hash Method for this line
106 /** Threshold value for flood disconnect
108 unsigned int threshold;
110 /** Maximum size of sendq for users in this class (bytes)
112 unsigned long sendqmax;
114 /** Maximum size of recvq for users in this class (bytes)
116 unsigned long recvqmax;
118 /** Local max when connecting by this connection class
120 unsigned long maxlocal;
122 /** Global max when connecting by this connection class
124 unsigned long maxglobal;
126 /** Max channels for this class
128 unsigned int maxchans;
130 /** Port number this connect class applies to
136 /** Create a new connect class based on an existing connect class. This is required for std::vector (at least under windows).
138 ConnectClass(const ConnectClass* source) : classbase(), type(source->type), name(source->name),
139 registration_timeout(source->registration_timeout), flood(source->flood), host(source->host),
140 pingtime(source->pingtime), pass(source->pass), hash(source->hash), threshold(source->threshold), sendqmax(source->sendqmax),
141 recvqmax(source->recvqmax), maxlocal(source->maxlocal), maxglobal(source->maxglobal), maxchans(source->maxchans),
142 port(source->port), RefCount(0), limit(source->limit)
146 /** Create a new connect class with no settings.
148 ConnectClass() : type(CC_DENY), name("unnamed"), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""), hash(""),
149 threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), RefCount(0), limit(0)
153 /** Create a new connect class to ALLOW connections.
154 * @param thename Name of the connect class
155 * @param timeout The registration timeout
156 * @param fld The flood value
157 * @param hst The IP mask to allow
158 * @param ping The ping frequency
159 * @param pas The password to be used
160 * @param hsh The hash to be used
161 * @param thres The flooding threshold
162 * @param sendq The maximum sendq value
163 * @param recvq The maximum recvq value
164 * @param maxl The maximum local sessions
165 * @param maxg The maximum global sessions
167 ConnectClass(const std::string &thename, unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
168 const std::string &pas, const std::string &hsh, unsigned int thres, unsigned long sendq, unsigned long recvq,
169 unsigned long maxl, unsigned long maxg, unsigned int maxc, int p = 0) :
170 type(CC_ALLOW), name(thename), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas), hash(hsh),
171 threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), maxchans(maxc), port(p), RefCount(0), limit(0) { }
173 /** Create a new connect class to DENY connections
174 * @param thename Name of the connect class
175 * @param hst The IP mask to deny
177 ConnectClass(const std::string &thename, const std::string &hst) : type(CC_DENY), name(thename), registration_timeout(0),
178 flood(0), host(hst), pingtime(0), pass(""), hash(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), RefCount(0), limit(0)
182 /* Create a new connect class based on another class
183 * @param thename The name of the connect class
184 * @param source Another connect class to inherit all but the name from
186 ConnectClass(const std::string &thename, const ConnectClass* source) : type(source->type), name(thename),
187 registration_timeout(source->registration_timeout), flood(source->flood), host(source->host),
188 pingtime(source->pingtime), pass(source->pass), hash(source->hash), threshold(source->threshold), sendqmax(source->sendqmax),
189 recvqmax(source->recvqmax), maxlocal(source->maxlocal), maxglobal(source->maxglobal), maxchans(source->maxchans),
190 port(source->port), RefCount(0), limit(source->limit)
194 /* Update an existing entry with new values
196 void Update(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping,
197 const std::string &pas, unsigned int thres, unsigned long sendq, unsigned long recvq,
198 unsigned long maxl, unsigned long maxg, unsigned int maxc, int p, unsigned long llimit)
201 registration_timeout = timeout;
225 this->limit = llimit;
228 void Update(const std::string &n, const std::string &hst)
234 /** Reference counter. Contains an int as to how many users are connected to this class. :)
235 * This will be 0 if no users are connected. If a <connect> is removed from the config, and there
236 * are 0 users on it - it will go away in RAM. :)
238 unsigned long RefCount;
240 /** How many users may be in this connect class before they are refused? (0 = disabled = default)
249 /** Returns the type, CC_ALLOW or CC_DENY
253 return (type == CC_ALLOW ? CC_ALLOW : CC_DENY);
256 std::string& GetName()
261 /** Returns the registration timeout
263 time_t GetRegTimeout()
265 return (registration_timeout ? registration_timeout : 90);
268 /** Returns the flood limit
270 unsigned int GetFlood()
272 return (threshold ? flood : 999);
275 /** Returns the allowed or denied IP mask
277 const std::string& GetHost()
296 /** Returns the ping frequency
298 unsigned int GetPingTime()
300 return (pingtime ? pingtime : 120);
303 /** Returns the password or an empty string
305 const std::string& GetPass()
310 /** Returns the hash or an empty string
312 const std::string& GetHash()
317 /** Returns the flood threshold value
319 unsigned int GetThreshold()
321 return (threshold ? threshold : 1);
324 /** Returns the maximum sendq value
326 unsigned long GetSendqMax()
328 return (sendqmax ? sendqmax : 262114);
331 /** Returns the maximum recvq value
333 unsigned long GetRecvqMax()
335 return (recvqmax ? recvqmax : 4096);
338 /** Returusn the maximum number of local sessions
340 unsigned long GetMaxLocal()
345 /** Returns the maximum number of global sessions
347 unsigned long GetMaxGlobal()
353 /** Holds a complete list of all channels to which a user has been invited and has not yet joined, and the time at which they'll expire.
355 typedef std::vector< std::pair<irc::string, time_t> > InvitedList;
357 /** Holds a complete list of all allow and deny tags from the configuration file (connection classes)
359 typedef std::vector<ConnectClass*> ClassVector;
361 /** Typedef for the list of user-channel records for a user
363 typedef std::map<Channel*, char> UserChanList;
365 /** Shorthand for an iterator into a UserChanList
367 typedef UserChanList::iterator UCListIter;
369 /* Required forward declaration
373 /** Visibility data for a user.
374 * If a user has a non-null instance of this class in their User,
375 * then it is used to determine if this user is visible to other users
378 class CoreExport VisData
384 /** Destroy a visdata
387 /** Is this user visible to some other user?
388 * @param user The other user to compare to
389 * @return true True if the user is visible to the other user, false if not
391 virtual bool VisibleTo(User* user);
394 /** Holds all information about a user
395 * This class stores all information about a user connected to the irc server. Everything about a
396 * connection is stored here primarily, from the user's socket ID (file descriptor) through to the
397 * user's nickname and hostname. Use the FindNick method of the InspIRCd class to locate a specific user
398 * by nickname, or the FindDescriptor method of the InspIRCd class to find a specific user by their
399 * file descriptor value.
401 class CoreExport User : public EventHandler
404 /** Pointer to creator.
405 * This is required to make use of core functions
406 * from within the User class.
408 InspIRCd* ServerInstance;
410 /** A list of channels the user has a pending invite to.
411 * Upon INVITE channels are added, and upon JOIN, the
412 * channels are removed from this list.
416 /** Cached nick!ident@dhost value using the displayed hostname
418 std::string cached_fullhost;
420 /** Cached ident@ip value using the real IP address
422 std::string cached_hostip;
424 /** Cached ident@realhost value using the real hostname
426 std::string cached_makehost;
428 /** Cached nick!ident@realhost value using the real hostname
430 std::string cached_fullrealhost;
432 /** Set by GetIPString() to avoid constantly re-grabbing IP via sockets voodoo.
434 std::string cachedip;
436 /** When we erase the user (in the destructor),
437 * we call this method to subtract one from all
438 * mode characters this user is making use of.
440 void DecrementModes();
442 std::set<std::string> *AllowedOperCommands;
443 std::set<std::string> *AllowedPrivs;
445 /** Allowed user modes from oper classes. */
446 std::bitset<64> AllowedUserModes;
448 /** Allowed channel modes from oper classes. */
449 std::bitset<64> AllowedChanModes;
452 /** Contains a pointer to the connect class a user is on from - this will be NULL for remote connections.
453 * The pointer is guarenteed to *always* be valid. :)
455 ConnectClass *MyClass;
457 /** User visibility state, see definition of VisData.
461 /** Hostname of connection.
462 * This should be valid as per RFC1035.
466 /** Stats counter for bytes inbound
470 /** Stats counter for bytes outbound
474 /** Stats counter for commands inbound
478 /** Stats counter for commands outbound
482 /** True if user has authenticated, false if otherwise
486 /** Used by User to indicate the registration status of the connection
487 * It is a bitfield of the REG_NICK, REG_USER and REG_ALL bits to indicate
488 * the connection state.
492 /** Time the connection was last pinged
496 /** Time the connection was created, set in the constructor. This
497 * may be different from the time the user's classbase object was
502 /** Time that the connection last sent a message, used to calculate idle time
506 /** Used by PING checking code
510 /** Stored reverse lookup from res_forward. Should not be used after resolution.
512 std::string stored_host;
514 /** Starts a DNS lookup of the user's IP.
515 * This will cause two UserResolver classes to be instantiated.
516 * When complete, these objects set User::dns_done to true.
518 void StartDNSLookup();
520 /** The users nickname.
521 * An invalid nickname indicates an unregistered connection prior to the NICK command.
522 * Use InspIRCd::IsNick() to validate nicknames.
526 /** The user's unique identifier.
527 * This is the unique identifier which the user has across the network.
531 /** The users ident reply.
532 * Two characters are added to the user-defined limit to compensate for the tilde etc.
536 /** The host displayed to non-opers (used for cloaking etc).
537 * This usually matches the value of User::host.
541 /** The users full name (GECOS).
543 std::string fullname;
545 /** The user's mode list.
546 * NOT a null terminated string.
548 * Much love to the STL for giving us an easy to use bitset, saving us RAM.
549 * if (modes[modeletter-65]) is set, then the mode is
550 * set, for example, to work out if mode +s is set, we check the field
551 * User::modes['s'-65] != 0.
552 * The following RFC characters o, w, s, i have constants defined via an
553 * enum, such as UM_SERVERNOTICE and UM_OPETATOR.
555 std::bitset<64> modes;
557 /** What snomasks are set on this user.
558 * This functions the same as the above modes.
560 std::bitset<64> snomasks;
562 /** Channels this user is on, and the permissions they have there
566 /** The server the user is connected to.
570 /** The user's away message.
571 * If this string is empty, the user is not marked as away.
575 /** Time the user last went away.
576 * This is ONLY RELIABLE if user IS_AWAY()!
580 /** The oper type they logged in as, if they are an oper.
581 * This is used to check permissions in operclasses, so that
582 * we can say 'yay' or 'nay' to any commands they issue.
583 * The value of this is the value of a valid 'type name=' tag.
587 /** True when DNS lookups are completed.
588 * The UserResolver classes res_forward and res_reverse will
589 * set this value once they complete.
593 /** Password specified by the user when they registered.
594 * This is stored even if the <connect> block doesnt need a password, so that
595 * modules may check it.
597 std::string password;
599 /** User's receive queue.
600 * Lines from the IRCd awaiting processing are stored here.
601 * Upgraded april 2005, old system a bit hairy.
605 /** User's send queue.
606 * Lines waiting to be sent are stored here until their buffer is flushed.
610 /** Message user will quit with. Not to be set externally.
614 /** Quit message shown to opers - not to be set externally.
616 std::string operquitmsg;
618 /** Whether or not to send an snotice about this user's quitting
622 /** Flood counters - lines received
624 unsigned int lines_in;
626 /** Flood counters - time lines_in is due to be reset
630 /** If this is set to true, then all socket operations for the user
631 * are dropped into the bit-bucket.
632 * This value is set by QuitUser, and is not needed seperately from that call.
633 * Please note that setting this value alone will NOT cause the user to quit.
637 /** IPV4 or IPV6 ip address. Use SetSockAddr to set this and GetProtocolFamily/
638 * GetIPString/GetPort to obtain its values.
642 /** Initialize the clients sockaddr
643 * @param protocol_family The protocol family of the IP address, AF_INET or AF_INET6
644 * @param ip A human-readable IP address for this user matching the protcol_family
645 * @param port The port number of this user or zero for a remote user
647 void SetSockAddr(int protocol_family, const char* ip, int port);
649 /** Get port number from sockaddr
650 * @return The port number of this user.
654 /** Get protocol family from sockaddr
655 * @return The protocol family of this user, either AF_INET or AF_INET6
657 int GetProtocolFamily();
659 /** Get IP string from sockaddr, using static internal buffer
660 * @return The IP string
662 const char* GetIPString(bool translate4in6 = true);
664 /** Get a CIDR mask from the IP of this user, using a static internal buffer.
665 * e.g., GetCIDRMask(16) for 223.254.214.52 returns 223.254.0.0/16
666 * This may be used for CIDR clone detection, etc.
668 * (XXX, brief note: when we do the sockets rewrite, this should move down a
669 * level so it may be used on more derived objects. -- w00t)
671 const char *GetCIDRMask(int range);
673 /** This is true if the user matched an exception (E:Line). It is used to save time on ban checks.
677 /** This value contains how far into the penalty threshold the user is. Once its over
678 * the penalty threshold then commands are held and processed on-timer.
682 /** True if we are flushing penalty lines
686 /** If this bool is set then penalty rules do not apply to this user
688 bool ExemptFromPenalty;
690 /** Default constructor
691 * @throw CoreException if the UID allocated to the user already exists
692 * @param Instance Creator instance
693 * @param uid User UUID, or empty to allocate one automatically
695 User(InspIRCd* Instance, const std::string &uid = "");
697 /** Check if the user matches a G or K line, and disconnect them if they do.
698 * @param doZline True if ZLines should be checked (if IP has changed since initial connect)
699 * Returns true if the user matched a ban, false else.
701 bool CheckLines(bool doZline = false);
703 /** Returns the full displayed host of the user
704 * This member function returns the hostname of the user as seen by other users
705 * on the server, in nick!ident&at;host form.
706 * @return The full masked host of the user
708 virtual const std::string& GetFullHost();
710 /** Returns the full real host of the user
711 * This member function returns the hostname of the user as seen by other users
712 * on the server, in nick!ident&at;host form. If any form of hostname cloaking is in operation,
713 * e.g. through a module, then this method will ignore it and return the true hostname.
714 * @return The full real host of the user
716 virtual const std::string& GetFullRealHost();
718 /** This clears any cached results that are used for GetFullRealHost() etc.
719 * The results of these calls are cached as generating them can be generally expensive.
721 void InvalidateCache();
723 /** Create a displayable mode string for this users snomasks
724 * @return The notice mask character sequence
726 const char* FormatNoticeMasks();
728 /** Process a snomask modifier string, e.g. +abc-de
729 * @param sm A sequence of notice mask characters
730 * @return The cleaned mode sequence which can be output,
731 * e.g. in the above example if masks c and e are not
732 * valid, this function will return +ab-d
734 std::string ProcessNoticeMasks(const char *sm);
736 /** Returns true if a notice mask is set
737 * @param sm A notice mask character to check
738 * @return True if the notice mask is set
740 bool IsNoticeMaskSet(unsigned char sm);
742 /** Changed a specific notice mask value
743 * @param sm The server notice mask to change
744 * @param value An on/off value for this mask
746 void SetNoticeMask(unsigned char sm, bool value);
748 /** Create a displayable mode string for this users umodes
749 * @param The mode string
751 const char* FormatModes(bool showparameters = false);
753 /** Returns true if a specific mode is set
754 * @param m The user mode
755 * @return True if the mode is set
757 bool IsModeSet(unsigned char m);
759 /** Set a specific usermode to on or off
760 * @param m The user mode
761 * @param value On or off setting of the mode
763 void SetMode(unsigned char m, bool value);
765 /** Returns true if a user is invited to a channel.
766 * @param channel A channel name to look up
767 * @return True if the user is invited to the given channel
769 virtual bool IsInvited(const irc::string &channel);
771 /** Adds a channel to a users invite list (invites them to a channel)
772 * @param channel A channel name to add
773 * @param timeout When the invite should expire (0 == never)
775 virtual void InviteTo(const irc::string &channel, time_t timeout);
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 /** Returns true if a user has a given permission.
793 * This is used to check whether or not users may perform certain actions which admins may not wish to give to
794 * all operators, yet are not commands. An example might be oper override, mass messaging (/notice $*), etc.
796 * @param privstr The priv to chec, e.g. "users/override/topic". These are loaded free-form from the config file.
797 * @param noisy If set to true, the user is notified that they do not have the specified permission where applicable. If false, no notification is sent.
798 * @return True if this user has the permission in question.
800 bool HasPrivPermission(const std::string &privstr, bool noisy = false);
802 /** Returns true or false if a user can set a privileged user or channel mode.
803 * This is done by looking up their oper type from User::oper, then referencing
804 * this to their oper classes, and checking the modes they can set.
805 * @param mode The mode the check
806 * @param type ModeType (MODETYPE_CHANNEL or MODETYPE_USER).
807 * @return True if the user can set or unset this mode.
809 bool HasModePermission(unsigned char mode, ModeType type);
811 /** Calls read() to read some data for this user using their fd.
812 * @param buffer The buffer to read into
813 * @param size The size of data to read
814 * @return The number of bytes read, or -1 if an error occured.
816 int ReadData(void* buffer, size_t size);
818 /** This method adds data to the read buffer of the user.
819 * The buffer can grow to any size within limits of the available memory,
820 * managed by the size of a std::string, however if any individual line in
821 * the buffer grows over 600 bytes in length (which is 88 chars over the
822 * RFC-specified limit per line) then the method will return false and the
823 * text will not be inserted.
824 * @param a The string to add to the users read buffer
825 * @return True if the string was successfully added to the read buffer
827 bool AddBuffer(const std::string &a);
829 /** This method returns true if the buffer contains at least one carriage return
830 * character (e.g. one complete line may be read)
831 * @return True if there is at least one complete line in the users buffer
833 bool BufferIsReady();
835 /** This function clears the entire buffer by setting it to an empty string.
839 /** This method returns the first available string at the tail end of the buffer
840 * and advances the tail end of the buffer past the string. This means it is
841 * a one way operation in a similar way to strtok(), and multiple calls return
842 * multiple lines if they are available. The results of this function if there
843 * are no lines to be read are unknown, always use BufferIsReady() to check if
844 * it is ok to read the buffer before calling GetBuffer().
845 * @return The string at the tail end of this users buffer
847 std::string GetBuffer();
849 /** Adds to the user's write buffer.
850 * You may add any amount of text up to this users sendq value, if you exceed the
851 * sendq value, the user will be removed, and further buffer adds will be dropped.
852 * @param data The data to add to the write buffer
854 void AddWriteBuf(const std::string &data);
856 /** Flushes as much of the user's buffer to the file descriptor as possible.
857 * This function may not always flush the entire buffer, rather instead as much of it
858 * as it possibly can. If the send() call fails to send the entire buffer, the buffer
859 * position is advanced forwards and the rest of the data sent at the next call to
862 void FlushWriteBuf();
864 /** Returns the list of channels this user has been invited to but has not yet joined.
865 * @return A list of channels the user is invited to
867 InvitedList* GetInviteList();
869 /** Creates a wildcard host.
870 * Takes a buffer to use and fills the given buffer with the host in the format *!*@hostname
871 * @return The wildcarded hostname in *!*@host form
873 char* MakeWildHost();
875 /** Creates a usermask with real host.
876 * Takes a buffer to use and fills the given buffer with the hostmask in the format user@host
877 * @return the usermask in the format user@host
879 const std::string& MakeHost();
881 /** Creates a usermask with real ip.
882 * Takes a buffer to use and fills the given buffer with the ipmask in the format user@ip
883 * @return the usermask in the format user@ip
885 const std::string& MakeHostIP();
887 /** Shuts down and closes the user's socket
888 * This will not cause the user to be deleted. Use InspIRCd::QuitUser for this,
889 * which will call CloseSocket() for you.
893 /** Add the user to WHOWAS system
897 /** Oper up the user using the given opertype.
898 * This will also give the +o usermode.
899 * @param opertype The oper type to oper as
901 void Oper(const std::string &opertype, const std::string &opername);
903 /** Call this method to find the matching <connect> for a user, and to check them against it.
907 /** Use this method to fully connect a user.
908 * This will send the message of the day, check G/K/E lines, etc.
912 /** Change this users hash key to a new string.
913 * You should not call this function directly. It is used by the core
914 * to update the users hash entry on a nickchange.
915 * @param New new user_hash key
916 * @return Pointer to User in hash (usually 'this')
918 User* UpdateNickHash(const char* New);
920 /** Force a nickname change.
921 * If the nickname change fails (for example, because the nick in question
922 * already exists) this function will return false, and you must then either
923 * output an error message, or quit the user for nickname collision.
924 * @param newnick The nickname to change to
925 * @return True if the nickchange was successful.
927 bool ForceNickChange(const char* newnick);
930 * This will clear the +o usermode and unset the user's oper type
934 /** Write text to this user, appending CR/LF.
935 * @param text A std::string to send to the user
937 void Write(std::string text);
939 /** Write text to this user, appending CR/LF.
940 * @param text The format string for text to send to the user
941 * @param ... POD-type format arguments
943 void Write(const char *text, ...) CUSTOM_PRINTF(2, 3);
945 /** Write text to this user, appending CR/LF and prepending :server.name
946 * @param text A std::string to send to the user
948 void WriteServ(const std::string& text);
950 /** Write text to this user, appending CR/LF and prepending :server.name
951 * @param text The format string for text to send to the user
952 * @param ... POD-type format arguments
954 void WriteServ(const char* text, ...) CUSTOM_PRINTF(2, 3);
956 void WriteNumeric(unsigned int numeric, const char* text, ...) CUSTOM_PRINTF(3, 4);
958 void WriteNumeric(unsigned int numeric, const std::string &text);
960 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
961 * @param user The user to prepend the :nick!user@host of
962 * @param text A std::string to send to the user
964 void WriteFrom(User *user, const std::string &text);
966 /** Write text to this user, appending CR/LF and prepending :nick!user@host of the user provided in the first parameter.
967 * @param user The user to prepend the :nick!user@host of
968 * @param text The format string for text to send to the user
969 * @param ... POD-type format arguments
971 void WriteFrom(User *user, const char* text, ...) CUSTOM_PRINTF(3, 4);
973 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
974 * @param dest The user to route the message to
975 * @param text A std::string to send to the user
977 void WriteTo(User *dest, const std::string &data);
979 /** Write text to the user provided in the first parameter, appending CR/LF, and prepending THIS user's :nick!user@host.
980 * @param dest The user to route the message to
981 * @param text The format string for text to send to the user
982 * @param ... POD-type format arguments
984 void WriteTo(User *dest, const char *data, ...) CUSTOM_PRINTF(3, 4);
986 /** Write to all users that can see this user (including this user in the list), appending CR/LF
987 * @param text A std::string to send to the users
989 void WriteCommon(const std::string &text);
991 /** Write to all users that can see this user (including this user in the list), appending CR/LF
992 * @param text The format string for text to send to the users
993 * @param ... POD-type format arguments
995 void WriteCommon(const char* text, ...) CUSTOM_PRINTF(2, 3);
997 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
998 * @param text The format string for text to send to the users
999 * @param ... POD-type format arguments
1001 void WriteCommonExcept(const char* text, ...) CUSTOM_PRINTF(2, 3);
1003 /** Write to all users that can see this user (not including this user in the list), appending CR/LF
1004 * @param text A std::string to send to the users
1006 void WriteCommonExcept(const std::string &text);
1008 /** Write a quit message to all common users, as in User::WriteCommonExcept but with a specific
1009 * quit message for opers only.
1010 * @param normal_text Normal user quit message
1011 * @param oper_text Oper only quit message
1013 void WriteCommonQuit(const std::string &normal_text, const std::string &oper_text);
1015 /** Write a WALLOPS message from this user to all local opers.
1016 * If this user is not opered, the function will return without doing anything.
1017 * @param text The format string to send in the WALLOPS message
1018 * @param ... Format arguments
1020 void WriteWallOps(const char* text, ...) CUSTOM_PRINTF(2, 3);
1022 /** Write a WALLOPS message from this user to all local opers.
1023 * If this user is not opered, the function will return without doing anything.
1024 * @param text The text to send in the WALLOPS message
1026 void WriteWallOps(const std::string &text);
1028 /** Return true if the user shares at least one channel with another user
1029 * @param other The other user to compare the channel list against
1030 * @return True if the given user shares at least one channel with this user
1032 bool SharesChannelWith(User *other);
1034 /** Change the displayed host of a user.
1035 * ALWAYS use this function, rather than writing User::dhost directly,
1036 * as this triggers module events allowing the change to be syncronized to
1037 * remote servers. This will also emulate a QUIT and rejoin (where configured)
1038 * before setting their host field.
1039 * @param host The new hostname to set
1040 * @return True if the change succeeded, false if it didn't
1042 bool ChangeDisplayedHost(const char* host);
1044 /** Change the ident (username) of a user.
1045 * ALWAYS use this function, rather than writing User::ident directly,
1046 * as this correctly causes the user to seem to quit (where configured)
1047 * before setting their ident field.
1048 * @param host The new ident to set
1049 * @return True if the change succeeded, false if it didn't
1051 bool ChangeIdent(const char* newident);
1053 /** Change a users realname field.
1054 * ALWAYS use this function, rather than writing User::fullname directly,
1055 * as this triggers module events allowing the change to be syncronized to
1057 * @param gecos The user's new realname
1058 * @return True if the change succeeded, false if otherwise
1060 bool ChangeName(const char* gecos);
1062 /** Send a command to all local users from this user
1063 * The command given must be able to send text with the
1064 * first parameter as a servermask (e.g. $*), so basically
1065 * you should use PRIVMSG or NOTICE.
1066 * @param command the command to send
1067 * @param text The text format string to send
1068 * @param ... Format arguments
1070 void SendAll(const char* command, const char* text, ...) CUSTOM_PRINTF(3, 4);
1072 /** Compile a channel list for this user, and send it to the user 'source'
1073 * Used internally by WHOIS
1074 * @param The user to send the channel list to if it is not too long
1075 * @return This user's channel list
1077 std::string ChannelList(User* source);
1079 /** Split the channel list in cl which came from dest, and spool it to this user
1080 * Used internally by WHOIS
1081 * @param dest The user the original channel list came from
1082 * @param cl The channel list as a string obtained from User::ChannelList()
1084 void SplitChanList(User* dest, const std::string &cl);
1086 /** Remove this user from all channels they are on, and delete any that are now empty.
1087 * This is used by QUIT, and will not send part messages!
1089 void PurgeEmptyChannels();
1091 /** Get the connect class which this user belongs to.
1092 * @return A pointer to this user's connect class
1094 ConnectClass *GetClass();
1096 /** Set the connect class to which this user belongs to.
1097 * @param explicit_name Set this string to tie the user to a specific class name. Otherwise, the class is fitted by checking <connect> tags from the configuration file.
1098 * @return A reference to this user's current connect class.
1100 ConnectClass *SetClass(const std::string &explicit_name = "");
1102 /** Show the message of the day to this user
1106 /** Show the server RULES file to this user
1110 /** Set oper-specific quit message shown to opers only when the user quits
1111 * (overrides any sent by QuitUser)
1113 void SetOperQuit(const std::string &oquit);
1115 /** Get oper-specific quit message shown only to opers when the user quits.
1116 * (overrides any sent by QuitUser)
1118 const std::string& GetOperQuit();
1120 /** Increases a user's command penalty by a set amount.
1122 void IncreasePenalty(int increase);
1124 /** Decreases a user's command penalty by a set amount.
1126 void DecreasePenalty(int decrease);
1128 /** Handle socket event.
1129 * From EventHandler class.
1130 * @param et Event type
1131 * @param errornum Error number for EVENT_ERROR events
1133 void HandleEvent(EventType et, int errornum = 0);
1135 /** Default destructor
1140 /** Derived from Resolver, and performs user forward/reverse lookups.
1142 class CoreExport UserResolver : public Resolver
1145 /** User this class is 'attached' to.
1148 /** File descriptor teh lookup is bound to
1151 /** True if the lookup is forward, false if is a reverse lookup
1155 /** Create a resolver.
1156 * @param Instance The creating instance
1157 * @param user The user to begin lookup on
1158 * @param to_resolve The IP or host to resolve
1159 * @param qt The query type
1160 * @param cache Modified by the constructor if the result was cached
1162 UserResolver(InspIRCd* Instance, User* user, std::string to_resolve, QueryType qt, bool &cache);
1164 /** Called on successful lookup
1165 * @param result Result string
1166 * @param ttl Time to live for result
1167 * @param cached True if the result was found in the cache
1168 * @param resultnum Result number, we are only interested in result 0
1170 void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0);
1172 /** Called on failed lookup
1173 * @param e Error code
1174 * @param errormessage Error message string
1176 void OnError(ResolverError e, const std::string &errormessage);
1179 /* Configuration callbacks */
1180 //class ServerConfig;