X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fchannels.h;h=afcdee41f08fe14822fb44016fe338792d0e597b;hb=b6dbd6caab62bc2c0d11ce5a45d511611eb9c2ef;hp=cbc4a423f7cb121f24a65e2efd703449f807bb7b;hpb=dafc021be4f3ad34ca37953de6a0109a161dd165;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/channels.h b/include/channels.h index cbc4a423f..afcdee41f 100644 --- a/include/channels.h +++ b/include/channels.h @@ -2,12 +2,9 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 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. * @@ -17,28 +14,21 @@ #ifndef __CHANNELS_H__ #define __CHANNELS_H__ -#include "inspircd_config.h" -#include "base.h" -#include -#include -#include -#include - /** RFC1459 channel modes */ enum ChannelModes { - CM_TOPICLOCK = 't'-65, - CM_NOEXTERNAL = 'n'-65, - CM_INVITEONLY = 'i'-65, - CM_MODERATED = 'm'-65, - CM_SECRET = 's'-65, - CM_PRIVATE = 'p'-65, - CM_KEY = 'k'-65, - CM_LIMIT = 'l'-65 + 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; -class chanrec; +/* 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. @@ -51,10 +41,10 @@ class HostItem : public classbase time_t set_time; /** Who added the item */ - char set_by[NICKMAX]; + std::string set_by; /** The actual item data */ - char data[MAXBUF]; + std::string data; HostItem() { /* stub */ } virtual ~HostItem() { /* stub */ } @@ -66,33 +56,13 @@ class BanItem : public HostItem { }; -/** A subclass of HostItem designed to hold channel exempts (+e) - */ -class ExemptItem : public HostItem -{ -}; - -/** A subclass of HostItem designed to hold channel invites (+I) - */ -class InviteItem : public HostItem -{ -}; - /** Holds a complete ban list */ -typedef std::vector BanList; - -/** Holds a complete exempt list - */ -typedef std::vector ExemptList; - -/** Holds a complete invite list - */ -typedef std::vector InviteList; +typedef std::list BanList; /** A list of users on a channel */ -typedef std::map CUList; +typedef std::map CUList; /** Shorthand for CUList::iterator */ @@ -110,46 +80,28 @@ typedef std::map CustomModeList; /** used to hold a channel and a users modes on that channel, e.g. +v, +h, +o */ enum UserChannelModes { - UCMODE_OP = 1, - UCMODE_VOICE = 2, - UCMODE_HOP = 4 + UCMODE_OP = 1, /* Opped user */ + UCMODE_VOICE = 2, /* Voiced user */ + UCMODE_HOP = 4 /* Halfopped user */ }; -/** 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. +/** A stored prefix and its rank */ -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. - */ - 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. - */ - chanrec *channel; - - /** Constructor for ucrec - */ - ucrec() : uc_modes(0), channel(NULL) { /* stub */ } - - /** Destructor for ucrec - */ - virtual ~ucrec() { /* stub */ } -}; +typedef std::pair prefixtype; -class InspIRCd; +/** A list of prefixes set on a user in a channel + */ +typedef std::vector pfxcontainer; +/** A list of users with zero or more prefixes set on them + */ +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: @@ -157,76 +109,93 @@ class chanrec : public Extensible */ InspIRCd* ServerInstance; - /** Connect a chanrec to a userrec + /** 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) */ - static chanrec* ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, int created); + 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]; + std::string name; /* CHANMAX */ /** Modes for the channel. - * This is not a null terminated string! It is a hash where + * 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. */ - char modes[64]; + std::bitset<64> modes; - /** User lists - * There are four user lists, one for + /** 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 + /** 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 + /** 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. */ CUList internal_halfop_userlist; - /** Voiced users + /** 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 + /** 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[MAXTOPIC]; - /** 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]; - - /** 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]; + std::string setby; /* 128 */ /** 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 @@ -239,7 +208,7 @@ class chanrec : public Extensible * @param mode_on True if you want to set the mode or false if you want to remove it */ 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 @@ -258,6 +227,13 @@ class chanrec : public Extensible */ 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 @@ -274,67 +250,67 @@ class chanrec : public Extensible * 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(userrec* user); + void AddUser(User* user); /** Add a user pointer to the internal reference list of opped users * @param user The user to add */ - void AddOppedUser(userrec* user); + void AddOppedUser(User* user); /** Add a user pointer to the internal reference list of halfopped users * @param user The user to add */ - void AddHalfoppedUser(userrec* user); + void AddHalfoppedUser(User* user); /** Add a user pointer to the internal reference list of voiced users * @param user The user to add */ - void AddVoicedUser(userrec* user); + void AddVoicedUser(User* user); - /** Delete a user pointer to the internal reference list + /** 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(userrec* 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(userrec* user); + void DelOppedUser(User* user); /** Delete a user pointer to the internal reference list of halfopped users * @param user The user to delete */ - void DelHalfoppedUser(userrec* user); + void DelHalfoppedUser(User* user); /** Delete a user pointer to the internal reference list of voiced users * @param user The user to delete */ - void DelVoicedUser(userrec* user); + void DelVoicedUser(User* user); /** Obtain the internal reference list - * The internal reference list contains a list of userrec*. + * 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 userrec pointers (CUList*). + * @return This function returns pointer to a map of User pointers (CUList*). */ CUList* GetUsers(); /** Obtain the internal reference list of opped users - * @return This function returns pointer to a map of userrec pointers (CUList*). + * @return This function returns pointer to a map of User pointers (CUList*). */ CUList* GetOppedUsers(); /** Obtain the internal reference list of halfopped users - * @return This function returns pointer to a map of userrec pointers (CUList*). + * @return This function returns pointer to a map of User pointers (CUList*). */ CUList* GetHalfoppedUsers(); /** Obtain the internal reference list of voiced users - * @return This function returns pointer to a map of userrec pointers (CUList*). + * @return This function returns pointer to a map of User pointers (CUList*). */ CUList* GetVoicedUsers(); @@ -342,70 +318,65 @@ class chanrec : public Extensible * @param The user to look for * @return True if the user is on this channel */ - bool HasUser(userrec* user); - - /** Creates a channel record and initialises it with default values - * @throw Nothing at present. - */ - chanrec(InspIRCd* Instance); + 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 chanrec immediately! + * when the method returns, you MUST delete the Channel immediately! */ - long KickUser(userrec *src, userrec *user, const char* reason); + 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 chanrec immediately! + * when the method returns, you MUST delete the Channel immediately! */ - long ServerKickUser(userrec* user, const char* reason, bool triggerevents); + 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 (optional) part reason + * @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 chanrec immediately! + * when the method returns, you MUST delete the Channel immediately! */ - long PartUser(userrec *user, const char* reason = NULL); + 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 chanrec the user was joined to. A new chanrec may have + * @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 chanrec* JoinUser(InspIRCd* ServerInstance, userrec *user, const char* cn, bool override, const char* key = ""); + 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(userrec* user, char* text, ...); + 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(userrec* user, const std::string &text); + 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 prefi + * @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, ...); + 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 @@ -413,38 +384,176 @@ class chanrec : public Extensible */ 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 + /** 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 text A printf-style format string which builds the output line without prefi + * @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 WriteAllExceptSender(userrec* user, char status, char* text, ...); + 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 specific user, using std::string for 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 WriteAllExceptSender(userrec* user, char status, const std::string& text); + 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); - void UserList(userrec *user); + /** 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(); - int GetStatus(userrec *user); + /** 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); - int GetStatusFlags(userrec *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); - const char* GetStatusChar(userrec *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); - /** Destructor for chanrec + /** 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 */ - virtual ~chanrec() { /* stub */ } + 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 */ } }; +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