X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fchannels.h;h=1b44a7be6fa7c5e47509c07c649032277142d8ef;hb=635cb9d65f6d7f6758ae8ed874da00c8d94b6e39;hp=3947ffc2b0307600f1674254b7657e8af064ad07;hpb=d5d8a5987b2534b7177f13f99aee3c624fbc233e;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/channels.h b/include/channels.h index 3947ffc2b..1b44a7be6 100644 --- a/include/channels.h +++ b/include/channels.h @@ -1,283 +1,329 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted software; see - * the file COPYING for details. + * Copyright (C) 2013-2016, 2018 Attila Molnar + * Copyright (C) 2012-2013, 2017-2020 Sadie Powell + * Copyright (C) 2012 Robby + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2007, 2009 Dennis Friis + * Copyright (C) 2003-2006, 2008, 2010 Craig Edwards * - * --------------------------------------------------- + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ -#ifndef __CHANNELS_H__ -#define __CHANNELS_H__ - -#include "inspircd_config.h" -#include "base.h" -#include -#include -#include -#include -#define CM_TOPICLOCK 1 -#define CM_NOEXTERNAL 2 -#define CM_INVITEONLY 4 -#define CM_MODERATED 8 -#define CM_SECRET 16 -#define CM_PRIVATE 32 +#pragma once -class userrec; +#include "membership.h" +#include "mode.h" +#include "parammode.h" /** 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_t set_time; - char set_by[NICKMAX]; - char data[MAXBUF]; - 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... - -/** A subclass of HostItem designed to hold channel exempts (+e) - */ -class ExemptItem : public HostItem -{ -}; - -// and this... - -/** A subclass of HostItem designed to hold channel invites (+I) +/** Holds all relevant information for a channel. + * This class represents a channel, and contains its name, modes, topic, topic set time, + * etc, and an instance of the BanList type. */ -class InviteItem : public HostItem -{ -}; - - -/** Holds a custom parameter to a module-defined channel mode - * e.g. for +L this would hold the channel name. - */ - -class ModeParameter : public classbase +class CoreExport Channel : public Extensible { public: - char mode; - char parameter[MAXBUF]; - char channel[CHANMAX]; -}; - -/** Holds a complete ban list - */ -typedef std::vector BanList; + /** A map of Memberships on a channel keyed by User pointers + */ + typedef std::map > MemberMap; -/** Holds a complete exempt list - */ -typedef std::vector ExemptList; + private: + /** Set default modes for the channel on creation + */ + void SetDefaultModes(); -/** Holds a complete invite list - */ -typedef std::vector InviteList; + /** Modes for the channel. + * It is a bitset where each item in it represents if a mode is set. + * To see if a mode is set, inspect modes[mh->modeid] + */ + std::bitset modes; + + /** Remove the given membership from the channel's internal map of + * memberships and destroy the Membership object. + * This function does not remove the channel from User::chanlist. + * Since the parameter is an iterator to the target, the complexity + * of this function is constant. + * @param membiter The MemberMap iterator to remove, must be valid + */ + void DelUser(const MemberMap::iterator& membiter); -/** Holds all relevent information for a channel. - * This class represents a channel, and contains its name, modes, time created, topic, topic set time, - * etc, and an instance of the BanList type. - */ -class chanrec : public Extensible -{ public: - /** The channels name. + /** Creates a channel record and initialises it with default values + * @param name The name of the channel + * @param ts The creation time of the channel + * @throw CoreException if this channel name is in use */ - char name[CHANMAX]; /* channel name */ - /** Custom modes for the channel. - * Plugins may use this field in any way they see fit. + Channel(const std::string &name, time_t ts); + + /** Checks whether the channel should be destroyed, and if yes, begins + * the teardown procedure. + * + * If there are users on the channel or a module vetoes the deletion + * (OnPreChannelDelete hook) then nothing else happens. + * Otherwise, first the OnChannelDelete event is fired, then the channel is + * removed from the channel list. All pending invites are destroyed and + * finally the channel is added to the cull list. */ - char custom_modes[MAXMODES]; /* modes handled by modules */ + void CheckDestroy(); - /** User list (casted to char*'s to stop forward declaration stuff) - * (chicken and egg scenario!) + /** The channel's name. */ - std::map internal_userlist; - std::map internal_op_userlist; - std::map internal_halfop_userlist; - std::map internal_voice_userlist; + std::string name; - /** Parameters for custom modes + /** Time that the object was instantiated (used for TS calculation etc) + */ + time_t age; + + /** User list. */ - std::vector custom_mode_params; + MemberMap userlist; /** Channel topic. * If this is an empty string, no channel topic is set. */ - char topic[MAXBUF]; - /** Creation time. - */ - time_t created; + std::string topic; + /** 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 + * @param value 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(ModeHandler* mode, bool value); - /** 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 + /** 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(ModeHandler* mode) { return ((mode->GetId() != ModeParser::MODEID_MAX) && (modes[mode->GetId()])); } + bool IsModeSet(ModeHandler& mode) { return IsModeSet(&mode); } + bool IsModeSet(ChanModeReference& 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 + * '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); + std::string GetModeParameter(ModeHandler* mode); + std::string GetModeParameter(ChanModeReference& mode); + std::string GetModeParameter(ParamModeBase* pm); + + /** Sets the channel topic. + * @param user The user setting the topic. + * @param topic The topic to set it to. + * @param topicts Timestamp of the new topic. + * @param setter Setter string, may be used when the original setter is no longer online. + * If omitted or NULL, the setter string is obtained from the user. + */ + void SetTopic(User* user, const std::string& topic, time_t topicts, const std::string* setter = NULL); /** 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. + * This returns the number of users on this channel * * @return The number of users on this channel */ - long GetUserCounter(); + size_t GetUserCounter() const { return userlist.size(); } /** 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, + * an arbitrary 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); + Membership* 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 + /** 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 + */ + void DelUser(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 *GetUsers(); - std::map *GetOppedUsers(); - std::map *GetHalfoppedUsers(); - std::map *GetVoicedUsers(); + const MemberMap& GetUsers() const { return userlist; } - /** Creates a channel record and initialises it with default values + /** Returns true if the user given is on the given channel. + * @param user The user to look for + * @return True if the user is on this channel */ - chanrec(); + bool HasUser(User* user); - virtual ~chanrec() { /* stub */ } -}; + Membership* GetUser(User* user); -/* 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. + /** Make src kick user from this channel with the given reason. + * @param src The source of the kick + * @param victimiter Iterator to the user being kicked, must be valid + * @param reason The reason for the kick + */ + void KickUser(User* src, const MemberMap::iterator& victimiter, const std::string& reason); + + /** Make src kick user from this channel with the given reason. + * @param src The source of the kick + * @param user The user being kicked + * @param reason The reason for the kick + */ + void KickUser(User* src, User* user, const std::string& reason) + { + MemberMap::iterator it = userlist.find(user); + if (it != userlist.end()) + KickUser(src, it, reason); + } + + /** 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 True if the user was on the channel and left, false if they weren't and nothing happened + */ + bool PartUser(User* user, std::string& reason); + + /** Join a local user to a channel, with or without permission checks. May be a channel that doesn't exist yet. + * @param user The user to join to the channel. + * @param channame 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 is NULL. */ - 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. + static Channel* JoinUser(LocalUser* user, std::string channame, bool override = false, const std::string& key = ""); + + /** Join a user to an existing channel, without doing any permission checks + * @param user The user to join to the channel + * @param privs Privileges (prefix mode letters) to give to this user, may be NULL + * @param bursting True if this join is the result of a netburst (passed to modules in the OnUserJoin hook) + * @param created_by_local True if this channel was just created by a local user (passed to modules in the OnUserJoin hook) + * @return A newly created Membership object, or NULL if the user was already inside the channel or if the user is a server user */ - chanrec *channel; + Membership* ForceJoin(User* user, const std::string* privs = NULL, bool bursting = false, bool created_by_local = false); - ucrec() { /* stub */ } - virtual ~ucrec() { /* stub */ } + /** Write to all users on a channel except some users + * @param protoev Event to send, may contain any number of messages. + * @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 List of users not to send to + */ + void Write(ClientProtocol::Event& protoev, char status = 0, const CUList& except_list = CUList()); + + /** Write to all users on a channel except some users. + * @param protoevprov Protocol event provider for the message. + * @param msg Message to send. + * @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 List of users not to send to + */ + void Write(ClientProtocol::EventProvider& protoevprov, ClientProtocol::Message& msg, char status = 0, const CUList& except_list = CUList()); + + /** Return the channel's modes with parameters. + * @param showsecret If this is set to true, the value of secret parameters + * are shown, otherwise they are replaced with '<name>'. + * @return The channel mode string + */ + const char* ChanModes(bool showsecret); + + /** 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); + + /** 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 a single ban for match + */ + bool CheckBan(User* user, const std::string& banmask); + + /** Get the status of an "action" type extban + */ + ModResult GetExtBanStatus(User *u, char type); + + /** Write a NOTICE to all local users on the channel + * @param text Text to send + * @param status The minimum status rank to send this message to. + */ + void WriteNotice(const std::string& text, char status = 0); + void WriteRemoteNotice(const std::string& text, char status = 0); }; -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); +inline bool Channel::HasUser(User* user) +{ + return (userlist.find(user) != userlist.end()); +} + +inline std::string Channel::GetModeParameter(ChanModeReference& mode) +{ + if (!mode) + return ""; + return GetModeParameter(*mode); +} -#endif +inline std::string Channel::GetModeParameter(ModeHandler* mh) +{ + std::string out; + ParamModeBase* pm = mh->IsParameterMode(); + if (pm && this->IsModeSet(pm)) + pm->GetParameter(this, out); + return out; +} + +inline std::string Channel::GetModeParameter(ParamModeBase* pm) +{ + std::string out; + if (this->IsModeSet(pm)) + pm->GetParameter(this, out); + return out; +} +inline bool Channel::IsModeSet(ChanModeReference& mode) +{ + if (!mode) + return false; + return IsModeSet(*mode); +}