-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2004-2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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 <http://www.gnu.org/licenses/>.
*/
-#ifndef __MODE_H
-#define __MODE_H
-/* Forward declarations. */
-class User;
+#pragma once
#include "ctables.h"
-#include "channels.h"
/**
* Holds the values for different type of modes
PARAM_ALWAYS
};
-/**
- * Used by ModeHandler::ModeSet() to return the state of a mode upon a channel or user.
- * The pair contains an activity flag, true if the mode is set with the given parameter,
- * and the parameter of the mode (or the parameter provided) in the std::string.
- */
-typedef std::pair<bool,std::string> ModePair;
-
/** Each mode is implemented by ONE ModeHandler class.
* You must derive ModeHandler and add the child class to
* the list of modes handled by the ircd, using
* mode is expected to have a parameter, then this is
* equivalent to returning MODEACTION_DENY.
*/
-class CoreExport ModeHandler : public classbase
+class CoreExport ModeHandler : public ServiceProvider
{
+ /**
+ * Removes this prefix mode from all users on the given channel
+ * @param channel The channel which the server wants to remove your mode from
+ * @param stack The mode stack to add the mode change to
+ */
+ void RemovePrefixMode(Channel* chan, irc::modestacker& stack);
+
protected:
/**
* The mode parameter translation type
/**
* The mode letter you're implementing.
*/
- const char mode;
+ char mode;
/** Mode prefix, or 0
*/
*/
ModeType m_type;
- /** Number of items with this mode set on them
- */
- unsigned int count;
-
/** The prefix char needed on channel to use this mode,
* only checked for channel modes
*/
int levelrequired;
public:
- /** Module that created this mode. NULL for core modes */
- ModuleRef creator;
- /** Long-form name
- */
- const std::string name;
-
/**
* The constructor for ModeHandler initalizes the mode handler.
* The constructor of any class you derive from ModeHandler should
* probably call this constructor with the parameters set correctly.
+ * @param me The module which created this mode
* @param name A one-word name for the mode
* @param modeletter The mode letter you wish to handle
* @param params Parameters taken by the mode
/**
* Returns true if the mode is a list mode
*/
- bool IsListMode();
+ bool IsListMode() const { return list; }
/**
* Mode prefix or 0. If this is defined, you should
* also implement GetPrefixRank() to return an integer
* value for this mode prefix.
*/
inline char GetPrefix() const { return prefix; }
- /** Get number of items with this mode set on them
- */
- virtual unsigned int GetCount();
- /** Adjust usage count returned by GetCount
- */
- virtual void ChangeCount(int modifier);
/**
* Get the 'value' of this modes prefix.
* determines which to display when there are multiple.
* Returns the mode character this handler handles.
* @return The mode character
*/
- char GetModeChar();
+ inline char GetModeChar() { return mode; }
/** For user modes, return the current parameter, if any
*/
*/
virtual ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding); /* Can change the mode parameter as its a ref */
/**
- * If your mode is a listmode, then this method will be called for displaying an item list, e.g. on MODE #channel +modechar
+ * If your mode is a listmode, then this method will be called for displaying an item list, e.g. on MODE \#channel +modechar
* without any parameter or other modes in the command.
* @param user The user issuing the command
* @param channel The channel they're requesting an item list of (e.g. a banlist, or an exception list etc)
virtual bool ResolveModeConflict(std::string &their_param, const std::string &our_param, Channel* channel);
/**
- * When a remote server needs to bounce a set of modes, it will call this method for every mode
- * in the mode string to determine if the mode is set or not.
- * @param source of the mode change, this will be NULL for a server mode
- * @param dest Target user of the mode change, if this is a user mode
- * @param channel Target channel of the mode change, if this is a channel mode
- * @param parameter The parameter given for the mode change, or an empty string
- * @returns The first value of the pair should be true if the mode is set with the given parameter.
- * In the case of permissions modes such as channelmode +o, this should return true if the user given
- * as the parameter has the given privilage on the given channel. The string value of the pair will hold
- * the current setting for this mode set locally, when the bool is true, or, the parameter given.
- * This allows the local server to enforce our locally set parameters back to a remote server.
- */
- virtual ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter);
-
- /**
- * When a MODETYPE_USER mode handler is being removed, the server will call this method for every user on the server.
- * Your mode handler should remove its user mode from the user by sending the appropriate server modes using
- * InspIRCd::SendMode(). The default implementation of this method can remove simple modes which have no parameters,
- * and can be used when your mode is of this type, otherwise you must implement a more advanced version of it to remove
- * your mode properly from each user.
+ * When a MODETYPE_USER mode handler is being removed, the core will call this method for every user on the server.
+ * The usermode will be removed using the appropiate server mode using InspIRCd::SendMode().
* @param user The user which the server wants to remove your mode from
*/
- virtual void RemoveMode(User* user, irc::modestacker* stack = NULL);
+ void RemoveMode(User* user);
/**
* When a MODETYPE_CHANNEL mode handler is being removed, the server will call this method for every channel on the server.
- * Your mode handler should remove its user mode from the channel by sending the appropriate server modes using
- * InspIRCd::SendMode(). The default implementation of this method can remove simple modes which have no parameters,
- * and can be used when your mode is of this type, otherwise you must implement a more advanced version of it to remove
- * your mode properly from each channel. Note that in the case of listmodes, you should remove the entire list of items.
+ * The mode handler has to populate the given modestacker with mode changes that remove the mode from the channel.
+ * The default implementation of this method can remove all kinds of channel modes except listmodes.
+ * In the case of listmodes, the entire list of items must be added to the modestacker (which is handled by ListModeBase,
+ * so if you inherit from it or your mode can be removed by the default implementation then you do not have to implement
+ * this function).
* @param channel The channel which the server wants to remove your mode from
+ * @param stack The mode stack to add the mode change to
*/
- virtual void RemoveMode(Channel* channel, irc::modestacker* stack = NULL);
+ virtual void RemoveMode(Channel* channel, irc::modestacker& stack);
inline unsigned int GetLevelRequired() const { return levelrequired; }
};
virtual ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
};
+class CoreExport ParamChannelModeHandler : public ModeHandler
+{
+ public:
+ ParamChannelModeHandler(Module* Creator, const std::string& Name, char modeletter)
+ : ModeHandler(Creator, Name, modeletter, PARAM_SETONLY, MODETYPE_CHANNEL) {}
+ virtual ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
+ /** Validate the parameter - you may change the value to normalize it. Return true if it is valid. */
+ virtual bool ParamValidate(std::string& parameter);
+};
+
/**
* The ModeWatcher class can be used to alter the behaviour of a mode implemented
* by the core or by another module. To use ModeWatcher, derive a class from it,
*/
class CoreExport ModeWatcher : public classbase
{
- protected:
+ private:
/**
- * The mode letter this class is watching
+ * The mode name this class is watching
*/
- char mode;
+ const std::string mode;
+
/**
- * The mode type being watched (user or channel)
+ * The mode type being watched (user or channel)
*/
ModeType m_type;
/**
* The constructor initializes the mode and the mode type
*/
- ModeWatcher(Module* creator, char modeletter, ModeType type);
+ ModeWatcher(Module* creator, const std::string& modename, ModeType type);
/**
* The default destructor does nothing.
*/
virtual ~ModeWatcher();
/**
- * Get the mode character being watched
- * @return The mode character being watched
+ * Get the mode name being watched
+ * @return The mode name being watched
*/
- char GetModeChar();
+ const std::string& GetModeName() const { return mode; }
+
/**
* Get the mode type being watched
* @return The mode type being watched (user or channel)
* If you alter the parameter you are given, the mode handler will see your atered version
* when it handles the mode.
* @param adding True if the mode is being added and false if it is being removed
- * @type The mode type, either MODETYPE_USER or MODETYPE_CHANNEL
* @return True to allow the mode change to go ahead, false to abort it. If you abort the
* change, the mode handler (and ModeWatcher::AfterMode()) will never see the mode change.
*/
- virtual bool BeforeMode(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, ModeType type);
+ virtual bool BeforeMode(User* source, User* dest, Channel* channel, std::string& parameter, bool adding);
/**
* After the mode character has been processed by the ModeHandler, this method will be called.
* @param source The sender of the mode
* @param parameter The parameter of the mode, if the mode is supposed to have a parameter.
* You cannot alter the parameter here, as the mode handler has already processed it.
* @param adding True if the mode is being added and false if it is being removed
- * @type The mode type, either MODETYPE_USER or MODETYPE_CHANNEL
*/
- virtual void AfterMode(User* source, User* dest, Channel* channel, const std::string ¶meter, bool adding, ModeType type);
+ virtual void AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding);
};
-typedef std::vector<ModeWatcher*>::iterator ModeWatchIter;
+typedef std::multimap<std::string, ModeWatcher*>::iterator ModeWatchIter;
/** The mode parser handles routing of modes and handling of mode strings.
* It marshalls, controls and maintains both ModeWatcher and ModeHandler classes,
* parses client to server MODE strings for user and channel modes, and performs
* processing for the 004 mode list numeric, amongst other things.
*/
-class CoreExport ModeParser : public classbase
+class CoreExport ModeParser
{
private:
/** Mode handlers for each mode, to access a handler subtract
* or a channel mode, so we have 256 of them not 64.
*/
ModeHandler* modehandlers[256];
- /** Mode watcher classes arranged in the same way as the
- * mode handlers, except for instead of having 256 of them
- * we have 256 lists of them.
+
+ /** Mode watcher classes
*/
- std::vector<ModeWatcher*> modewatchers[256];
+ std::multimap<std::string, ModeWatcher*> modewatchermap;
+
/** Displays the current modes of a channel or user.
* Used by ModeParser::Process.
*/
*/
ModeAction TryMode(User* user, User* targu, Channel* targc, bool adding, unsigned char mode, std::string ¶m, bool SkipACL);
+ /** Returns a list of user or channel mode characters.
+ * Used for constructing the parts of the mode list in the 004 numeric.
+ * @param mt Controls whether to list user modes or channel modes
+ * @param needparam Return modes only if they require a parameter to be set
+ * @return The available mode letters that satisfy the given conditions
+ */
+ std::string CreateModeList(ModeType mt, bool needparam = false);
+
+ /** Recreate the cached mode list that is displayed in the 004 numeric
+ * in Cached004ModeList.
+ * Called when a mode handler is added or removed.
+ */
+ void RecreateModeListFor004Numeric();
+
/** The string representing the last set of modes to be parsed.
* Use GetLastParse() to get this value, to be used for display purposes.
*/
unsigned int seq;
- public:
-
- /** The constructor initializes all the RFC basic modes by using ModeParserAddMode().
+ /** Cached mode list for use in 004 numeric
*/
+ std::string Cached004ModeList;
+
+ public:
ModeParser();
~ModeParser();
- /** Used to check if user 'd' should be allowed to do operation 'MASK' on channel 'chan'.
- * for example, should 'user A' be able to 'op' on 'channel B'.
+ /** Initialize all built-in modes
*/
- User* SanityChecks(User *user,const char *dest,Channel *chan,int status);
+ static void InitBuiltinModes();
+
/** Tidy a banmask. This makes a banmask 'acceptable' if fields are left out.
* E.g.
*
*
* nick!ident -> nick!ident@*
*
- * host.name -> *!*@host.name
+ * host.name -> *!*\@host.name
*
- * ident@host.name -> *!ident@host.name
+ * ident@host.name -> *!ident\@host.name
*
* This method can be used on both IPV4 and IPV6 user masks.
*/
* may be different to what you sent after it has been 'cleaned up' by the parser.
* @return Last parsed string, as seen by users.
*/
- const std::string& GetLastParse();
+ const std::string& GetLastParse() const { return LastParse; }
const std::vector<std::string>& GetLastParseParams() { return LastParseParams; }
const std::vector<TranslateType>& GetLastParseTranslate() { return LastParseTranslate; }
/** Add a mode to the mode parser.
* triggered. See the documentation of class ModeWatcher for more
* information.
* @param mw The ModeWatcher you want to add
- * @return True if the ModeWatcher was added correctly
*/
- bool AddModeWatcher(ModeWatcher* mw);
+ void AddModeWatcher(ModeWatcher* mw);
+
/** Delete a mode watcher.
* A mode watcher is triggered before and after a mode handler is
* triggered. See the documentation of class ModeWatcher for more
* @param parameters The parameters of the mode change, in the format
* they would be from a MODE command.
* @param user The user setting or removing the modes. When the modes are set
- * by a server, an 'uninitialized' User is used, where *user::nick == NULL
+ * by a server, an 'uninitialized' User is used, where *user\::nick == NULL
* and *user->server == NULL.
+ * @param merge Should the mode parameters be merged?
*/
void Process(const std::vector<std::string>& parameters, User *user, bool merge = false);
/** Find the mode handler for a given mode and type.
* @param modeletter mode letter to search for
- * @param type of mode to search for, user or channel
+ * @param mt type of mode to search for, user or channel
* @returns a pointer to a ModeHandler class, or NULL of there isnt a handler for the given mode
*/
ModeHandler* FindMode(unsigned const char modeletter, ModeType mt);
*/
ModeHandler* FindPrefix(unsigned const char pfxletter);
- /** Returns a list of mode characters which are usermodes.
- * This is used in the 004 numeric when users connect.
- */
- std::string UserModeList();
-
- /** Returns a list of channel mode characters which are listmodes.
- * This is used in the 004 numeric when users connect.
+ /** Returns a list of modes, space seperated by type:
+ * 1. User modes
+ * 2. Channel modes
+ * 3. Channel modes that require a parameter when set
+ * This is sent to users as the last part of the 004 numeric
*/
- std::string ChannelModeList();
-
- /** Returns a list of channel mode characters which take parameters.
- * This is used in the 004 numeric when users connect.
- */
- std::string ParaModeList();
+ const std::string& GetModeListFor004Numeric();
/** Generates a list of modes, comma seperated by type:
* 1; Listmodes EXCEPT those with a prefix
*/
std::string GiveModeList(ModeMasks m);
- static bool PrefixComparison(ModeHandler* one, ModeHandler* two);
-
- /** This returns the PREFIX=(ohv)@%+ section of the 005 numeric.
+ /** This returns the PREFIX=(ohv)@%+ section of the 005 numeric, or
+ * just the "@%+" part if the parameter false
*/
- std::string BuildPrefixes();
-
- /** This returns the privilages of a user upon a channel, in the format of a mode change.
- * For example, if a user has privilages +avh, this will return the string "avh nick nick nick".
- * This is used by the core when cycling a user to refresh their hostname. You may use it for
- * similar purposes.
- * @param user The username to look up
- * @param channel The channel name to look up the privilages of the user for
- * @param nick_suffix true (the default) if you want nicknames in the mode string, for easy
- * use with the mode stacker, false if you just want the "avh" part of "avh nick nick nick".
- * @return The mode string.
- */
- std::string ModeString(User* user, Channel* channel, bool nick_suffix = true);
+ std::string BuildPrefixes(bool lettersAndModes = true);
};
-#endif
+inline const std::string& ModeParser::GetModeListFor004Numeric()
+{
+ return Cached004ModeList;
+}
projects / user / henk / code / inspircd.git / blobdiff