X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fchannels.h;h=e471e30cbe91dc3099cefaff55c43bfd3150864c;hb=b31f343eacdf248aebd6869f2190a3464fd5d555;hp=7df2d665e76ec494e76a5632e45a1e9a3edb44ef;hpb=55bd1494b060dba7c266b91824f3fcce64a4d7a8;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/channels.h b/include/channels.h index 7df2d665e..e471e30cb 100644 --- a/include/channels.h +++ b/include/channels.h @@ -2,33 +2,33 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * Inspire is copyright (C) 2002-2004 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits + * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ -#include "inspircd_config.h" -#include "base.h" -#include -#include -#include - #ifndef __CHANNELS_H__ #define __CHANNELS_H__ -#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 */ +}; + +/* 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. @@ -36,205 +36,530 @@ 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 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 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 CustomModeList; -/** Holds a custom parameter to a module-defined channel mode - * e.g. for +L this would hold the channel name. - */ -class ModeParameter : public classbase -{ - public: - char mode; - char parameter[MAXBUF]; - char channel[CHANMAX]; +/** 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 BanList; +typedef std::pair prefixtype; -/** Holds a complete exempt list +/** A list of prefixes set on a user in a channel */ -typedef std::vector ExemptList; +typedef std::vector pfxcontainer; -/** Holds a complete invite list +/** A list of users with zero or more prefixes set on them */ -typedef std::vector InviteList; +typedef std::map > 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, bool created); + + /** 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. + */ + std::string name; /* CHANMAX */ + + /** Time that the object was instantiated (used for TS calculation etc) + */ + time_t age; + + /** 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. + */ + CUList internal_userlist; + + /** 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. + */ + CUList internal_op_userlist; + + /** 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. */ - char name[CHANMAX]; /* channel name */ - /** Custom modes for the channel. - * Plugins may use this field in any way they see fit. + 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. */ - char custom_modes[MAXMODES]; /* modes handled by modules */ + CUList internal_voice_userlist; - /** User list (casted to char*'s to stop forward declaration stuff) - * (chicken and egg scenario!) + /** Parameters for custom modes. + * One for each custom mode letter. */ - std::vector internal_userlist; - + 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 + /** Sets or unsets a custom mode in the channels info + * @param mode The mode character to set or unset + * @param parameter The parameter string to associate with this mode character. + * If it is empty, the mode is unset; if it is nonempty, the mode is set. */ - void SetCustomModeParam(char mode,char* parameter,bool mode_on); - - /** Returns true if a custom mode is set on a channel + void SetModeParam(char mode, std::string parameter); + + /** 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 + * * For example if "+L #foo" is set, and you pass this method * 'L', it will return '#foo'. If the mode is not set on the * channel, or the mode has no parameters associated with it, * it will return an empty string. + * + * @return The parameter for this mode is returned, or an empty string */ 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 * upon joins, parts quits and kicks. + * + * @return The number of users on this channel */ long GetUserCounter(); /** Add a user pointer to the internal reference list + * @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 AddUser(User* user); + + /** 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 - * 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); + /** Delete a user pointer to the internal reference list of voiced users + * @param user The user to delete + */ + void DelVoicedUser(User* user); - /** 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 + /** 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 pointer to a map of User pointers (CUList*). */ - std::vector *GetUsers(); + 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! + */ + 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! + */ + long ServerKickUser(User* user, const char* reason, 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); + + /** 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); + + /** 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); + + /** 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 */ - 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. + 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 */ - chanrec *channel; + void WriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string& text); + /** Write a line of text that already includes the source */ + void RawWriteAllExcept(User* user, bool serversource, char status, CUList &except_list, const std::string& text); - ucrec() { /* stub */ } - virtual ~ucrec() { /* stub */ } + /** 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 + * @returns 1 = exempt, 0 = no match, -1 = banned + */ + int GetExtBanStatus(User *u, char type); + + /** Overloaded version to check whether a particular string is extbanned + * @returns 1 = exempt, 0 = no match, -1 = banned + */ + int GetExtBanStatus(const std::string &str, char type); + + /** Clears the cached max bans value + */ + void ResetMaxBans(); + + /** Destructor for Channel + */ + virtual ~Channel() { /* stub */ } }; -#endif +static inline int banmatch_reduce(int v1, int v2) +{ + int a1 = abs(v1); + int a2 = abs(v2); + if (a1 > a2) + return v1; + else if (a2 > a1) + return v2; + else if (v1 > v2) + return v1; + // otherwise v2 > v1 or equal + return v2; +} +#endif