* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
#ifndef __CHANNELS_H__
#define __CHANNELS_H__
-#include "inspircd_config.h"
-#include "base.h"
-#include <time.h>
-#include <vector>
-#include <string>
-#include <map>
-
-#define CM_TOPICLOCK 1
-#define CM_NOEXTERNAL 2
-#define CM_INVITEONLY 4
-#define CM_MODERATED 8
-#define CM_SECRET 16
-#define CM_PRIVATE 32
+/** RFC1459 channel modes
+ */
+enum ChannelModes {
+ CM_TOPICLOCK = 't'-65, /* +t: Only operators can change topic */
+ CM_NOEXTERNAL = 'n'-65, /* +n: Only users in the channel can message it */
+ CM_INVITEONLY = 'i'-65, /* +i: Invite only */
+ CM_MODERATED = 'm'-65, /* +m: Only voices and above can talk */
+ CM_SECRET = 's'-65, /* +s: Secret channel */
+ CM_PRIVATE = 'p'-65, /* +p: Private channel */
+ CM_KEY = 'k'-65, /* +k: Keyed channel */
+ CM_LIMIT = 'l'-65 /* +l: Maximum user limit */
+};
-class userrec;
+/* Forward declarations - needed */
+class User;
/** Holds an entry for a ban list, exemption list, or invite list.
* This class contains a single element in a channel list, such as a banlist.
class HostItem : public classbase
{
public:
+ /** Time the item was added
+ */
time_t set_time;
- char set_by[NICKMAX];
- char data[MAXBUF];
+ /** Who added the item
+ */
+ std::string set_by;
+ /** The actual item data
+ */
+ std::string data;
HostItem() { /* stub */ }
virtual ~HostItem() { /* stub */ }
};
-// banlist is inherited from HostList mainly for readability
-// reasons only
-
/** A subclass of HostItem designed to hold channel bans (+b)
*/
class BanItem : public HostItem
{
};
-// same with this...
+/** Holds a complete ban list
+ */
+typedef std::list<BanItem> BanList;
-/** A subclass of HostItem designed to hold channel exempts (+e)
+/** A list of users on a channel
*/
-class ExemptItem : public HostItem
-{
-};
+typedef std::map<User*,std::string> CUList;
-// and this...
+/** Shorthand for CUList::iterator
+ */
+typedef CUList::iterator CUListIter;
-/** A subclass of HostItem designed to hold channel invites (+I)
+/** Shorthand for CUList::const_iterator
*/
-class InviteItem : public HostItem
-{
+typedef CUList::const_iterator CUListConstIter;
+
+/** A list of custom modes parameters on a channel
+ */
+typedef std::map<char,char*> CustomModeList;
+
+
+/** used to hold a channel and a users modes on that channel, e.g. +v, +h, +o
+ */
+enum UserChannelModes {
+ UCMODE_OP = 1, /* Opped user */
+ UCMODE_VOICE = 2, /* Voiced user */
+ UCMODE_HOP = 4 /* Halfopped user */
};
-/** Holds a complete ban list
+/** A stored prefix and its rank
*/
-typedef std::vector<BanItem> BanList;
+typedef std::pair<char, unsigned int> prefixtype;
-/** Holds a complete exempt list
+/** A list of prefixes set on a user in a channel
*/
-typedef std::vector<ExemptItem> ExemptList;
+typedef std::vector<prefixtype> pfxcontainer;
-/** Holds a complete invite list
+/** A list of users with zero or more prefixes set on them
*/
-typedef std::vector<InviteItem> InviteList;
+typedef std::map<User*, std::vector<prefixtype> > prefixlist;
/** Holds all relevent information for a channel.
- * This class represents a channel, and contains its name, modes, time created, topic, topic set time,
+ * This class represents a channel, and contains its name, modes, topic, topic set time,
* etc, and an instance of the BanList type.
*/
-class chanrec : public Extensible
+class CoreExport Channel : public Extensible
{
+ private:
+
+ /** Pointer to creator object
+ */
+ InspIRCd* ServerInstance;
+
+ /** Connect a Channel to a User
+ */
+ static Channel* ForceChan(InspIRCd* Instance, Channel* Ptr, User* user, const std::string &privs, bool bursting);
+
+ /** Set default modes for the channel on creation
+ */
+ void SetDefaultModes();
+
+ /** A list of prefixes associated with each user in the channel
+ * (e.g. &%+ etc)
+ */
+ prefixlist prefixes;
+
+ /** Maximum number of bans (cached)
+ */
+ int maxbans;
+
public:
- /** The channels name.
+ /** Creates a channel record and initialises it with default values
+ * @throw Nothing at present.
+ */
+ Channel(InspIRCd* Instance, const std::string &name, time_t ts);
+
+ /** The channel's name.
*/
- char name[CHANMAX]; /* channel name */
- /** Custom modes for the channel.
- * Plugins may use this field in any way they see fit.
+ std::string name; /* CHANMAX */
+
+ /** Modes for the channel.
+ * This is not a null terminated string! It is a bitset where
+ * each item in it represents if a mode is set. For example
+ * for mode +A, index 0. Use modechar-65 to calculate which
+ * field to check.
+ */
+ std::bitset<64> modes;
+
+ /** User lists.
+ * There are four user lists, one for
+ * all the users, one for the ops, one for
+ * the halfops and another for the voices.
*/
- char custom_modes[190]; /* modes handled by modules */
+ CUList internal_userlist;
- /** User list (casted to char*'s to stop forward declaration stuff)
- * (chicken and egg scenario!)
+ /** Opped users.
+ * There are four user lists, one for
+ * all the users, one for the ops, one for
+ * the halfops and another for the voices.
*/
- std::map<char*,char*> internal_userlist;
- std::map<char*,char*> internal_op_userlist;
- std::map<char*,char*> internal_halfop_userlist;
- std::map<char*,char*> internal_voice_userlist;
+ CUList internal_op_userlist;
- /** Parameters for custom modes
+ /** Halfopped users.
+ * There are four user lists, one for
+ * all the users, one for the ops, one for
+ * the halfops and another for the voices.
*/
- std::map<char,char*> custom_mode_params;
+ CUList internal_halfop_userlist;
+
+ /** Voiced users.
+ * There are four user lists, one for
+ * all the users, one for the ops, one for
+ * the halfops and another for the voices.
+ */
+ CUList internal_voice_userlist;
+
+ /** Parameters for custom modes.
+ * One for each custom mode letter.
+ */
+ CustomModeList custom_mode_params;
/** Channel topic.
* If this is an empty string, no channel topic is set.
*/
- char topic[MAXBUF];
- /** Creation time.
- */
- time_t created;
+ std::string topic; /* MAXTOPIC */
+
/** Time topic was set.
- * If no topic was ever set, this will be equal to chanrec::created
+ * If no topic was ever set, this will be equal to Channel::created
*/
time_t topicset;
+
/** The last user to set the topic.
* If this member is an empty string, no topic was ever set.
*/
- char setby[NICKMAX];
+ std::string setby; /* 128 */
- /** Contains the channel user limit.
- * If this value is zero, there is no limit in place.
- */
- short int limit;
-
- /** Contains the channel key.
- * If this value is an empty string, there is no channel key in place.
- */
- char key[32];
-
- /** Contains a bitmask of the CM_* builtin (RFC) binary mode symbols
- */
- char binarymodes;
-
/** The list of all bans set on the channel.
*/
BanList bans;
-
+
/** Sets or unsets a custom mode in the channels info
* @param mode The mode character to set or unset
* @param mode_on True if you want to set the mode or false if you want to remove it
*/
- void SetCustomMode(char mode,bool mode_on);
+ void SetMode(char mode,bool mode_on);
/** Sets or unsets the parameters for a custom mode in a channels info
* @param mode The mode character to set or unset
* @param parameter The parameter string to associate with this mode character
* @param mode_on True if you want to set the mode or false if you want to remove it
*/
- void SetCustomModeParam(char mode,char* parameter,bool mode_on);
-
- /** Returns true if a custom mode is set on a channel
+ void SetModeParam(char mode,const char* parameter,bool mode_on);
+
+ /** Returns true if a mode is set on a channel
* @param mode The mode character you wish to query
* @return True if the custom mode is set, false if otherwise
*/
- bool IsCustomModeSet(char mode);
+ bool IsModeSet(char mode);
/** Returns the parameter for a custom mode on a channel.
* @param mode The mode character you wish to query
*/
std::string GetModeParameter(char mode);
+ /** Sets the channel topic.
+ * @param u The user setting the topic
+ * @param t The topic to set it to. Non-const, as it may be modified by a hook.
+ * @param forceset If set to true then all access checks will be bypassed.
+ */
+ int SetTopic(User *u, std::string &t, bool forceset = false);
+
/** Obtain the channel "user counter"
* This returns the channel reference counter, which is initialized
* to 0 when the channel is created and incremented/decremented
long GetUserCounter();
/** Add a user pointer to the internal reference list
- * @param castuser This should be a pointer to a userrec, casted to char*
+ * @param user The user to add
*
* The data inserted into the reference list is a table as it is
* an arbitary pointer compared to other users by its memory address,
* as this is a very fast 32 or 64 bit integer comparison.
*/
- void AddUser(char* castuser);
- void AddOppedUser(char* castuser);
- void AddHalfoppedUser(char* castuser);
- void AddVoicedUser(char* castuser);
+ void AddUser(User* user);
- /** Delete a user pointer to the internal reference list
- * @param castuser This should be a pointer to a userrec, casted to char*
- *
- * The data removed from the reference list is a table as it is
- * an arbitary pointer compared to other users by its memory address,
- * as this is a very fast 32 or 64 bit integer comparison.
- */
- void DelUser(char* castuser);
- void DelOppedUser(char* castuser);
- void DelHalfoppedUser(char* castuser);
- void DelVoicedUser(char* castuser);
-
- /** Obrain the internal reference list
- * The internal reference list contains a list of userrec*
- * cast to char*. These are used for rapid comparison to determine
+ /** Add a user pointer to the internal reference list of opped users
+ * @param user The user to add
+ */
+ void AddOppedUser(User* user);
+
+ /** Add a user pointer to the internal reference list of halfopped users
+ * @param user The user to add
+ */
+ void AddHalfoppedUser(User* user);
+
+ /** Add a user pointer to the internal reference list of voiced users
+ * @param user The user to add
+ */
+ void AddVoicedUser(User* user);
+
+ /** Delete a user pointer to the internal reference list
+ * @param user The user to delete
+ * @return number of users left on the channel after deletion of the user
+ */
+ unsigned long DelUser(User* user);
+
+ /** Delete a user pointer to the internal reference list of opped users
+ * @param user The user to delete
+ */
+ void DelOppedUser(User* user);
+
+ /** Delete a user pointer to the internal reference list of halfopped users
+ * @param user The user to delete
+ */
+ void DelHalfoppedUser(User* user);
+
+ /** Delete a user pointer to the internal reference list of voiced users
+ * @param user The user to delete
+ */
+ void DelVoicedUser(User* user);
+
+ /** Obtain the internal reference list
+ * The internal reference list contains a list of User*.
+ * These are used for rapid comparison to determine
* channel membership for PRIVMSG, NOTICE, QUIT, PART etc.
* The resulting pointer to the vector should be considered
* readonly and only modified via AddUser and DelUser.
*
- * @return This function returns a vector of userrec pointers, each of which has been casted to char* to prevent circular references
+ * @return This function returns pointer to a map of User pointers (CUList*).
*/
- std::map<char*,char*> *GetUsers();
- std::map<char*,char*> *GetOppedUsers();
- std::map<char*,char*> *GetHalfoppedUsers();
- std::map<char*,char*> *GetVoicedUsers();
+ CUList* GetUsers();
- /** Creates a channel record and initialises it with default values
+ /** Obtain the internal reference list of opped users
+ * @return This function returns pointer to a map of User pointers (CUList*).
*/
- chanrec();
+ CUList* GetOppedUsers();
- virtual ~chanrec() { /* stub */ }
-};
+ /** Obtain the internal reference list of halfopped users
+ * @return This function returns pointer to a map of User pointers (CUList*).
+ */
+ CUList* GetHalfoppedUsers();
-/* used to hold a channel and a users modes on that channel, e.g. +v, +h, +o
- * needs to come AFTER struct chanrec */
-
-#define UCMODE_OP 1
-#define UCMODE_VOICE 2
-#define UCMODE_HOP 4
-#define UCMODE_PROTECT 8
-#define UCMODE_FOUNDER 16
-
-/** Holds a user's modes on a channel
- * This class associates a users privilages with a channel by creating a pointer link between
- * a userrec and chanrec class. The uc_modes member holds a bitmask of which privilages the user
- * has on the channel, such as op, voice, etc.
- */
-class ucrec : public classbase
-{
- public:
- /** Contains a bitmask of the UCMODE_OP ... UCMODE_FOUNDER values.
- * If this value is zero, the user has no privilages upon the channel.
+ /** Obtain the internal reference list of voiced users
+ * @return This function returns pointer to a map of User pointers (CUList*).
+ */
+ CUList* GetVoicedUsers();
+
+ /** Returns true if the user given is on the given channel.
+ * @param The user to look for
+ * @return True if the user is on this channel
+ */
+ bool HasUser(User* user);
+
+ /** Make src kick user from this channel with the given reason.
+ * @param src The source of the kick
+ * @param user The user being kicked (must be on this channel)
+ * @param reason The reason for the kick
+ * @return The number of users left on the channel. If this is zero
+ * when the method returns, you MUST delete the Channel immediately!
*/
- char uc_modes;
-
- /** Points to the channel record where the given modes apply.
- * If the record is not in use, this value will be NULL.
+ long KickUser(User *src, User *user, const char* reason);
+
+ /** Make the server kick user from this channel with the given reason.
+ * @param user The user being kicked (must be on this channel)
+ * @param reason The reason for the kick
+ * @param triggerevents True if you wish this kick to trigger module events
+ * @return The number of users left on the channel. If this is zero
+ * when the method returns, you MUST delete the Channel immediately!
*/
- chanrec *channel;
+ long ServerKickUser(User* user, const char* reason, bool triggerevents, const char* servername = NULL);
+
+ /** Part a user from this channel with the given reason.
+ * If the reason field is NULL, no reason will be sent.
+ * @param user The user who is parting (must be on this channel)
+ * @param reason The part reason
+ * @return The number of users left on the channel. If this is zero
+ * when the method returns, you MUST delete the Channel immediately!
+ */
+ long PartUser(User *user, std::string &reason);
+
+ /* Join a user to a channel. May be a channel that doesnt exist yet.
+ * @param user The user to join to the channel.
+ * @param cn The channel name to join to. Does not have to exist.
+ * @param key The key of the channel, if given
+ * @param override If true, override all join restrictions such as +bkil
+ * @return A pointer to the Channel the user was joined to. A new Channel may have
+ * been created if the channel did not exist before the user was joined to it.
+ * If the user could not be joined to a channel, the return value may be NULL.
+ */
+ static Channel* JoinUser(InspIRCd* ServerInstance, User *user, const char* cn, bool override, const char* key, bool bursting, time_t TS = 0);
- ucrec() : uc_modes(0), channel(NULL) { /* stub */ }
- virtual ~ucrec() { /* stub */ }
-};
+ /** Write to a channel, from a user, using va_args for text
+ * @param user User whos details to prefix the line with
+ * @param text A printf-style format string which builds the output line without prefix
+ * @param ... Zero or more POD types
+ */
+ void WriteChannel(User* user, const char* text, ...) CUSTOM_PRINTF(3, 4);
-chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override);
-chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local);
-void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason);
-void server_kick_channel(userrec* user, chanrec* Ptr, char* reason, bool triggerevents);
+ /** Write to a channel, from a user, using std::string for text
+ * @param user User whos details to prefix the line with
+ * @param text A std::string containing the output line without prefix
+ */
+ void WriteChannel(User* user, const std::string &text);
-#endif
+ /** Write to a channel, from a server, using va_args for text
+ * @param ServName Server name to prefix the line with
+ * @param text A printf-style format string which builds the output line without prefix
+ * @param ... Zero or more POD type
+ */
+ void WriteChannelWithServ(const char* ServName, const char* text, ...) CUSTOM_PRINTF(3, 4);
+
+ /** Write to a channel, from a server, using std::string for text
+ * @param ServName Server name to prefix the line with
+ * @param text A std::string containing the output line without prefix
+ */
+ void WriteChannelWithServ(const char* ServName, const std::string &text);
+
+ /** Write to all users on a channel except a specific user, using va_args for text.
+ * Internally, this calls WriteAllExcept().
+ * @param user User whos details to prefix the line with, and to omit from receipt of the message
+ * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
+ * use the nick!user@host of the user.
+ * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
+ * @param text A printf-style format string which builds the output line without prefix
+ * @param ... Zero or more POD type
+ */
+ void WriteAllExceptSender(User* user, bool serversource, char status, const char* text, ...) CUSTOM_PRINTF(5, 6);
+
+ /** Write to all users on a channel except a list of users, using va_args for text
+ * @param user User whos details to prefix the line with, and to omit from receipt of the message
+ * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
+ * use the nick!user@host of the user.
+ * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
+ * @param except_list A list of users NOT to send the text to
+ * @param text A printf-style format string which builds the output line without prefix
+ * @param ... Zero or more POD type
+ */
+ void WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const char* text, ...) CUSTOM_PRINTF(6, 7);
+
+ /** Write to all users on a channel except a specific user, using std::string for text.
+ * Internally, this calls WriteAllExcept().
+ * @param user User whos details to prefix the line with, and to omit from receipt of the message
+ * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
+ * use the nick!user@host of the user.
+ * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
+ * @param text A std::string containing the output line without prefix
+ */
+ void WriteAllExceptSender(User* user, bool serversource, char status, const std::string& text);
+
+ /** Write to all users on a channel except a list of users, using std::string for text
+ * @param user User whos details to prefix the line with, and to omit from receipt of the message
+ * @param serversource If this parameter is true, use the local server name as the source of the text, otherwise,
+ * use the nick!user@host of the user.
+ * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
+ * @param except_list A list of users NOT to send the text to
+ * @param text A std::string containing the output line without prefix
+ */
+ void WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string& text);
+
+ /** Returns the maximum number of bans allowed to be set on this channel
+ * @return The maximum number of bans allowed
+ */
+ long GetMaxBans();
+ /** Return the channel's modes with parameters.
+ * @param showkey If this is set to true, the actual key is shown,
+ * otherwise it is replaced with '<KEY>'
+ * @return The channel mode string
+ */
+ char* ChanModes(bool showkey);
+
+ /** Spool the NAMES list for this channel to the given user
+ * @param user The user to spool the NAMES list to
+ * @param ulist The user list to send, NULL to use the
+ * channel's default names list of everyone
+ */
+ void UserList(User *user, CUList* ulist = NULL);
+
+ /** Get the number of invisible users on this channel
+ * @return Number of invisible users
+ */
+ int CountInvisible();
+
+ /** Get a users status on this channel
+ * @param user The user to look up
+ * @return One of STATUS_OP, STATUS_HOP, STATUS_VOICE, or zero.
+ */
+ int GetStatus(User *user);
+
+ /** Get a users status on this channel in a bitmask
+ * @param user The user to look up
+ * @return A bitmask containing zero or more of STATUS_OP, STATUS_HOP, STATUS_VOICE
+ */
+ int GetStatusFlags(User *user);
+
+ /** Get a users prefix on this channel in a string.
+ * @param user The user to look up
+ * @return A character array containing the prefix string.
+ * Unlike GetStatus and GetStatusFlags which will only return the
+ * core specified modes @, % and + (op, halfop and voice), GetPrefixChar
+ * will also return module-defined prefixes. If the user has to prefix,
+ * an empty but non-null string is returned. If the user has multiple
+ * prefixes, the highest is returned. If you do not recognise the prefix
+ * character you can get, you can deal with it in a 'proprtional' manner
+ * compared to known prefixes, using GetPrefixValue().
+ */
+ const char* GetPrefixChar(User *user);
+
+ /** Return all of a users mode prefixes into a char* string.
+ * @param user The user to look up
+ * @return A list of all prefix characters. The prefixes will always
+ * be in rank order, greatest first, as certain IRC clients require
+ * this when multiple prefixes are used names lists.
+ */
+ const char* GetAllPrefixChars(User* user);
+
+ /** Get the value of a users prefix on this channel.
+ * @param user The user to look up
+ * @return The module or core-defined value of the users prefix.
+ * The values for op, halfop and voice status are constants in
+ * mode.h, and are OP_VALUE, HALFOP_VALUE, and VOICE_VALUE respectively.
+ * If the value you are given does not match one of these three, it is
+ * a module-defined mode, and it should be compared in proportion to
+ * these three constants. For example a value greater than OP_VALUE
+ * is a prefix of greater 'worth' than ops, and a value less than
+ * VOICE_VALUE is of lesser 'worth' than a voice.
+ */
+ unsigned int GetPrefixValue(User* user);
+
+ /** This method removes all prefix characters from a user.
+ * It will not inform the user or the channel of the removal of prefixes,
+ * and should be used when the user parts or quits.
+ * @param user The user to remove all prefixes from
+ */
+ void RemoveAllPrefixes(User* user);
+
+ /** Add a prefix character to a user.
+ * Only the core should call this method, usually from
+ * within the mode parser or when the first user joins
+ * the channel (to grant ops to them)
+ * @param user The user to associate the privilage with
+ * @param prefix The prefix character to associate
+ * @param prefix_rank The rank (value) of this prefix character
+ * @param adding True if adding the prefix, false when removing
+ */
+ void SetPrefix(User* user, char prefix, unsigned int prefix_rank, bool adding);
+
+ /** Check if a user is banned on this channel
+ * @param user A user to check against the banlist
+ * @returns True if the user given is banned
+ */
+ bool IsBanned(User* user);
+
+ /** Check whether an extban of a given type matches
+ * a given user for this channel.
+ * @param u The user to match bans against
+ * @param type The type of extban to check
+ */
+ bool IsExtBanned(User *u, char type);
+
+ /** Overloaded version to check whether a particular string is extbanned
+ */
+ bool IsExtBanned(const std::string &str, char type);
+
+ /** Clears the cached max bans value
+ */
+ void ResetMaxBans();
+
+ /** Destructor for Channel
+ */
+ virtual ~Channel() { /* stub */ }
+};
+
+#endif