1 /* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#ifndef __CHANNELS_H__
\r#define __CHANNELS_H__
\r\r#include "inspircd_config.h"
\r#include "base.h"
\r#include <time.h>
\r#include <vector>
\r#include <string>
\r#include <map>
\r\r/** RFC1459 channel modes
\r */
\renum ChannelModes {
\r CM_TOPICLOCK = 't'-65, /* +t: Only operators can change topic */
\r CM_NOEXTERNAL = 'n'-65, /* +n: Only users in the channel can message it */
\r CM_INVITEONLY = 'i'-65, /* +i: Invite only */
\r CM_MODERATED = 'm'-65, /* +m: Only voices and above can talk */
\r CM_SECRET = 's'-65, /* +s: Secret channel */
\r CM_PRIVATE = 'p'-65, /* +p: Private channel */
\r CM_KEY = 'k'-65, /* +k: Keyed channel */
\r CM_LIMIT = 'l'-65 /* +l: Maximum user limit */
\r};
\r\r/* Forward declarations - needed */
\rclass userrec;
\rclass chanrec;
\r\r/** Holds an entry for a ban list, exemption list, or invite list.
\r * This class contains a single element in a channel list, such as a banlist.
\r */
\rclass HostItem : public classbase
\r{
\r public:
\r /** Time the item was added
\r */
\r time_t set_time;
\r /** Who added the item
\r */
\r char set_by[NICKMAX];
\r /** The actual item data
\r */
\r char data[MAXBUF];
\r\r HostItem() { /* stub */ }
\r virtual ~HostItem() { /* stub */ }
\r};
\r\r/** A subclass of HostItem designed to hold channel bans (+b)
\r */
\rclass BanItem : public HostItem
\r{
\r};
\r\r/** Holds a complete ban list
\r */
\rtypedef std::vector<BanItem> BanList;
\r\r/** A list of users on a channel
\r */
\rtypedef std::map<userrec*,std::string> CUList;
\r\r/** Shorthand for CUList::iterator
\r */
\rtypedef CUList::iterator CUListIter;
\r\r/** Shorthand for CUList::const_iterator
\r */
\rtypedef CUList::const_iterator CUListConstIter;
\r\r/** A list of custom modes parameters on a channel
\r */
\rtypedef std::map<char,char*> CustomModeList;
\r\r\r/** used to hold a channel and a users modes on that channel, e.g. +v, +h, +o
\r */
\renum UserChannelModes {
\r UCMODE_OP = 1, /* Opped user */
\r UCMODE_VOICE = 2, /* Voiced user */
\r UCMODE_HOP = 4 /* Halfopped user */
\r};
\r\r/* Forward declaration -- required */
\rclass InspIRCd;
\r\r/** A stored prefix and its rank
\r */
\rtypedef std::pair<char, unsigned int> prefixtype;
\r\r/** A list of prefixes set on a user in a channel
\r */
\rtypedef std::vector<prefixtype> pfxcontainer;
\r\r/** A list of users with zero or more prefixes set on them
\r */
\rtypedef std::map<userrec*, std::vector<prefixtype> > prefixlist;
\r\r/** Holds all relevent information for a channel.
\r * This class represents a channel, and contains its name, modes, time created, topic, topic set time,
\r * etc, and an instance of the BanList type.
\r */
\rclass CoreExport chanrec : public Extensible
\r{
\r private:
\r\r /** Pointer to creator object
\r */
\r InspIRCd* ServerInstance;
\r\r /** Connect a chanrec to a userrec
\r */
\r static chanrec* ForceChan(InspIRCd* Instance, chanrec* Ptr, userrec* user, const std::string &privs);
\r\r /** Set default modes for the channel on creation
\r */
\r void SetDefaultModes();
\r\r /** A list of prefixes associated with each user in the channel
\r * (e.g. &%+ etc)
\r */
\r prefixlist prefixes;
\r\r /** Maximum number of bans (cached)
\r */
\r int maxbans;
\r\r public:
\r /** The channel's name.
\r */
\r char name[CHANMAX];
\r\r /** Modes for the channel.
\r * This is not a null terminated string! It is a hash where
\r * each item in it represents if a mode is set. For example
\r * for mode +A, index 0. Use modechar-65 to calculate which
\r * field to check.
\r */
\r char modes[64];
\r\r /** User lists.
\r * There are four user lists, one for
\r * all the users, one for the ops, one for
\r * the halfops and another for the voices.
\r */
\r CUList internal_userlist;
\r\r /** Opped users.
\r * There are four user lists, one for
\r * all the users, one for the ops, one for
\r * the halfops and another for the voices.
\r */
\r CUList internal_op_userlist;
\r\r /** Halfopped users.
\r * There are four user lists, one for
\r * all the users, one for the ops, one for
\r * the halfops and another for the voices.
\r */
\r CUList internal_halfop_userlist;
\r\r /** Voiced users.
\r * There are four user lists, one for
\r * all the users, one for the ops, one for
\r * the halfops and another for the voices.
\r */
\r CUList internal_voice_userlist;
\r\r /** Parameters for custom modes.
\r * One for each custom mode letter.
\r */
\r CustomModeList custom_mode_params;
\r\r /** Channel topic.
\r * If this is an empty string, no channel topic is set.
\r */
\r char topic[MAXTOPIC];
\r\r /** Creation time.
\r * This is a timestamp (TS) value.
\r */
\r time_t created;
\r\r /** Time topic was set.
\r * If no topic was ever set, this will be equal to chanrec::created
\r */
\r time_t topicset;
\r\r /** The last user to set the topic.
\r * If this member is an empty string, no topic was ever set.
\r */
\r char setby[128];
\r\r /** Contains the channel user limit.
\r * If this value is zero, there is no limit in place.
\r */
\r short int limit;
\r \r /** Contains the channel key.
\r * If this value is an empty string, there is no channel key in place.
\r */
\r char key[32];
\r\r /** The list of all bans set on the channel.
\r */
\r BanList bans;
\r \r /** Sets or unsets a custom mode in the channels info
\r * @param mode The mode character to set or unset
\r * @param mode_on True if you want to set the mode or false if you want to remove it
\r */
\r void SetMode(char mode,bool mode_on);
\r\r /** Sets or unsets the parameters for a custom mode in a channels info
\r * @param mode The mode character to set or unset
\r * @param parameter The parameter string to associate with this mode character
\r * @param mode_on True if you want to set the mode or false if you want to remove it
\r */
\r void SetModeParam(char mode,const char* parameter,bool mode_on);
\r \r /** Returns true if a mode is set on a channel
\r * @param mode The mode character you wish to query
\r * @return True if the custom mode is set, false if otherwise
\r */
\r bool IsModeSet(char mode);
\r\r /** Returns the parameter for a custom mode on a channel.
\r * @param mode The mode character you wish to query
\r *
\r * For example if "+L #foo" is set, and you pass this method
\r * 'L', it will return '#foo'. If the mode is not set on the
\r * channel, or the mode has no parameters associated with it,
\r * it will return an empty string.
\r *
\r * @return The parameter for this mode is returned, or an empty string
\r */
\r std::string GetModeParameter(char mode);
\r\r /** Obtain the channel "user counter"
\r * This returns the channel reference counter, which is initialized
\r * to 0 when the channel is created and incremented/decremented
\r * upon joins, parts quits and kicks.
\r *
\r * @return The number of users on this channel
\r */
\r long GetUserCounter();
\r\r /** Add a user pointer to the internal reference list
\r * @param user The user to add
\r *
\r * The data inserted into the reference list is a table as it is
\r * an arbitary pointer compared to other users by its memory address,
\r * as this is a very fast 32 or 64 bit integer comparison.
\r */
\r void AddUser(userrec* user);
\r\r /** Add a user pointer to the internal reference list of opped users
\r * @param user The user to add
\r */
\r void AddOppedUser(userrec* user);
\r\r /** Add a user pointer to the internal reference list of halfopped users
\r * @param user The user to add
\r */
\r void AddHalfoppedUser(userrec* user);
\r\r /** Add a user pointer to the internal reference list of voiced users
\r * @param user The user to add
\r */
\r void AddVoicedUser(userrec* user);
\r\r /** Delete a user pointer to the internal reference list
\r * @param user The user to delete
\r * @return number of users left on the channel after deletion of the user
\r */
\r unsigned long DelUser(userrec* user);
\r\r /** Delete a user pointer to the internal reference list of opped users
\r * @param user The user to delete
\r */
\r void DelOppedUser(userrec* user);
\r\r /** Delete a user pointer to the internal reference list of halfopped users
\r * @param user The user to delete
\r */
\r void DelHalfoppedUser(userrec* user);
\r\r /** Delete a user pointer to the internal reference list of voiced users
\r * @param user The user to delete
\r */
\r void DelVoicedUser(userrec* user);
\r\r /** Obtain the internal reference list
\r * The internal reference list contains a list of userrec*.
\r * These are used for rapid comparison to determine
\r * channel membership for PRIVMSG, NOTICE, QUIT, PART etc.
\r * The resulting pointer to the vector should be considered
\r * readonly and only modified via AddUser and DelUser.
\r *
\r * @return This function returns pointer to a map of userrec pointers (CUList*).
\r */
\r CUList* GetUsers();
\r\r /** Obtain the internal reference list of opped users
\r * @return This function returns pointer to a map of userrec pointers (CUList*).
\r */
\r CUList* GetOppedUsers();
\r\r /** Obtain the internal reference list of halfopped users
\r * @return This function returns pointer to a map of userrec pointers (CUList*).
\r */
\r CUList* GetHalfoppedUsers();
\r\r /** Obtain the internal reference list of voiced users
\r * @return This function returns pointer to a map of userrec pointers (CUList*).
\r */
\r CUList* GetVoicedUsers();
\r\r /** Returns true if the user given is on the given channel.
\r * @param The user to look for
\r * @return True if the user is on this channel
\r */
\r bool HasUser(userrec* user);
\r\r /** Creates a channel record and initialises it with default values
\r * @throw Nothing at present.
\r */
\r chanrec(InspIRCd* Instance);
\r\r /** Make src kick user from this channel with the given reason.
\r * @param src The source of the kick
\r * @param user The user being kicked (must be on this channel)
\r * @param reason The reason for the kick
\r * @return The number of users left on the channel. If this is zero
\r * when the method returns, you MUST delete the chanrec immediately!
\r */
\r long KickUser(userrec *src, userrec *user, const char* reason);
\r\r /** Make the server kick user from this channel with the given reason.
\r * @param user The user being kicked (must be on this channel)
\r * @param reason The reason for the kick
\r * @param triggerevents True if you wish this kick to trigger module events
\r * @return The number of users left on the channel. If this is zero
\r * when the method returns, you MUST delete the chanrec immediately!
\r */
\r long ServerKickUser(userrec* user, const char* reason, bool triggerevents);
\r\r /** Part a user from this channel with the given reason.
\r * If the reason field is NULL, no reason will be sent.
\r * @param user The user who is parting (must be on this channel)
\r * @param reason The (optional) part reason
\r * @return The number of users left on the channel. If this is zero
\r * when the method returns, you MUST delete the chanrec immediately!
\r */
\r long PartUser(userrec *user, const char* reason = NULL);
\r\r /* Join a user to a channel. May be a channel that doesnt exist yet.
\r * @param user The user to join to the channel.
\r * @param cn The channel name to join to. Does not have to exist.
\r * @param key The key of the channel, if given
\r * @param override If true, override all join restrictions such as +bkil
\r * @return A pointer to the chanrec the user was joined to. A new chanrec may have
\r * been created if the channel did not exist before the user was joined to it.
\r * If the user could not be joined to a channel, the return value may be NULL.
\r */
\r static chanrec* JoinUser(InspIRCd* ServerInstance, userrec *user, const char* cn, bool override, const char* key, time_t TS = 0);
\r\r /** Write to a channel, from a user, using va_args for text
\r * @param user User whos details to prefix the line with
\r * @param text A printf-style format string which builds the output line without prefix
\r * @param ... Zero or more POD types
\r */
\r void WriteChannel(userrec* user, char* text, ...);
\r\r /** Write to a channel, from a user, using std::string for text
\r * @param user User whos details to prefix the line with
\r * @param text A std::string containing the output line without prefix
\r */
\r void WriteChannel(userrec* user, const std::string &text);
\r\r /** Write to a channel, from a server, using va_args for text
\r * @param ServName Server name to prefix the line with
\r * @param text A printf-style format string which builds the output line without prefix
\r * @param ... Zero or more POD type
\r */
\r void WriteChannelWithServ(const char* ServName, const char* text, ...);
\r\r /** Write to a channel, from a server, using std::string for text
\r * @param ServName Server name to prefix the line with
\r * @param text A std::string containing the output line without prefix
\r */
\r void WriteChannelWithServ(const char* ServName, const std::string &text);
\r\r /** Write to all users on a channel except a specific user, using va_args for text.
\r * Internally, this calls WriteAllExcept().
\r * @param user User whos details to prefix the line with, and to omit from receipt of the message
\r * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
\r * use the nick!user@host of the user.
\r * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
\r * @param text A printf-style format string which builds the output line without prefix
\r * @param ... Zero or more POD type
\r */
\r void WriteAllExceptSender(userrec* user, bool serversource, char status, char* text, ...);
\r\r /** Write to all users on a channel except a list of users, using va_args for text
\r * @param user User whos details to prefix the line with, and to omit from receipt of the message
\r * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
\r * use the nick!user@host of the user.
\r * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
\r * @param except_list A list of users NOT to send the text to
\r * @param text A printf-style format string which builds the output line without prefix
\r * @param ... Zero or more POD type
\r */
\r void WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, char* text, ...);
\r\r /** Write to all users on a channel except a specific user, using std::string for text.
\r * Internally, this calls WriteAllExcept().
\r * @param user User whos details to prefix the line with, and to omit from receipt of the message
\r * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
\r * use the nick!user@host of the user.
\r * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
\r * @param text A std::string containing the output line without prefix
\r */
\r void WriteAllExceptSender(userrec* user, bool serversource, char status, const std::string& text);
\r\r /** Write to all users on a channel except a list of users, using std::string for text
\r * @param user User whos details to prefix the line with, and to omit from receipt of the message
\r * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
\r * use the nick!user@host of the user.
\r * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
\r * @param except_list A list of users NOT to send the text to
\r * @param text A std::string containing the output line without prefix
\r */
\r void WriteAllExcept(userrec* user, bool serversource, char status, CUList &except_list, const std::string& text);
\r\r /** Returns the maximum number of bans allowed to be set on this channel
\r * @return The maximum number of bans allowed
\r */
\r long GetMaxBans();
\r\r /** Return the channel's modes with parameters.
\r * @param showkey If this is set to true, the actual key is shown,
\r * otherwise it is replaced with '<KEY>'
\r * @return The channel mode string
\r */
\r char* ChanModes(bool showkey);
\r\r /** Spool the NAMES list for this channel to the given user
\r * @param user The user to spool the NAMES list to
\r * @param ulist The user list to send, NULL to use the
\r * channel's default names list of everyone
\r */
\r void UserList(userrec *user, CUList* ulist = NULL);
\r\r /** Get the number of invisible users on this channel
\r * @return Number of invisible users
\r */
\r int CountInvisible();
\r\r /** Get a users status on this channel
\r * @param user The user to look up
\r * @return One of STATUS_OP, STATUS_HOP, STATUS_VOICE, or zero.
\r */
\r int GetStatus(userrec *user);
\r\r /** Get a users status on this channel in a bitmask
\r * @param user The user to look up
\r * @return A bitmask containing zero or more of STATUS_OP, STATUS_HOP, STATUS_VOICE
\r */
\r int GetStatusFlags(userrec *user);
\r\r /** Get a users prefix on this channel in a string.
\r * @param user The user to look up
\r * @return A character array containing the prefix string.
\r * Unlike GetStatus and GetStatusFlags which will only return the
\r * core specified modes @, % and + (op, halfop and voice), GetPrefixChar
\r * will also return module-defined prefixes. If the user has to prefix,
\r * an empty but non-null string is returned. If the user has multiple
\r * prefixes, the highest is returned. If you do not recognise the prefix
\r * character you can get, you can deal with it in a 'proprtional' manner
\r * compared to known prefixes, using GetPrefixValue().
\r */
\r const char* GetPrefixChar(userrec *user);
\r\r /** Return all of a users mode prefixes into a char* string.
\r * @param user The user to look up
\r * @return A list of all prefix characters. The prefixes will always
\r * be in rank order, greatest first, as certain IRC clients require
\r * this when multiple prefixes are used names lists.
\r */
\r const char* GetAllPrefixChars(userrec* user);
\r\r /** Get the value of a users prefix on this channel.
\r * @param user The user to look up
\r * @return The module or core-defined value of the users prefix.
\r * The values for op, halfop and voice status are constants in
\r * mode.h, and are OP_VALUE, HALFOP_VALUE, and VOICE_VALUE respectively.
\r * If the value you are given does not match one of these three, it is
\r * a module-defined mode, and it should be compared in proportion to
\r * these three constants. For example a value greater than OP_VALUE
\r * is a prefix of greater 'worth' than ops, and a value less than
\r * VOICE_VALUE is of lesser 'worth' than a voice.
\r */
\r unsigned int GetPrefixValue(userrec* user);
\r\r /** This method removes all prefix characters from a user.
\r * It will not inform the user or the channel of the removal of prefixes,
\r * and should be used when the user parts or quits.
\r * @param user The user to remove all prefixes from
\r */
\r void RemoveAllPrefixes(userrec* user);
\r\r /** Add a prefix character to a user.
\r * Only the core should call this method, usually from
\r * within the mode parser or when the first user joins
\r * the channel (to grant ops to them)
\r * @param user The user to associate the privilage with
\r * @param prefix The prefix character to associate
\r * @param prefix_rank The rank (value) of this prefix character
\r * @param adding True if adding the prefix, false when removing
\r */
\r void SetPrefix(userrec* user, char prefix, unsigned int prefix_rank, bool adding);
\r\r /** Check if a user is banned on this channel
\r * @param user A user to check against the banlist
\r * @returns True if the user given is banned
\r */
\r bool IsBanned(userrec* user);
\r\r /** Clears the cached max bans value
\r */
\r void ResetMaxBans();
\r\r /** Destructor for chanrec
\r */
\r virtual ~chanrec() { /* stub */ }
\r};
\r\r#endif
\r