27 /** Low level definition of a FileReader classes file cache area
29 typedef std::deque<std::string> file_cache;
30 typedef file_cache string_list;
32 // This #define allows us to call a method in all
33 // loaded modules in a readable simple way, e.g.:
34 // 'FOREACH_MOD OnConnect(user);'
36 #define FOREACH_MOD for (int i = 0; i <= MODCOUNT; i++) modules[i]->
38 extern void createcommand(char* cmd, handlerfunc f, char flags, int minparams);
39 extern void server_mode(char **parameters, int pcnt, userrec *user);
41 // class Version holds the version information of a Module, returned
42 // by Module::GetVersion (thanks RD)
44 /** Holds a module's Version information
45 * The four members (set by the constructor only) indicate details as to the version number
46 * of a module. A class of type Version is returned by the GetVersion method of the Module class.
48 class Version : public classbase
51 const int Major, Minor, Revision, Build;
52 Version(int major, int minor, int revision, int build);
56 * This class contains the admin details of the local server. It is constructed by class Server,
57 * and has three read-only values, Name, Email and Nick that contain the specified values for the
58 * server where the module is running.
60 class Admin : public classbase
63 const std::string Name, Email, Nick;
64 Admin(std::string name, std::string email, std::string nick);
67 /** Base class for all InspIRCd modules
68 * This class is the base class for InspIRCd modules. All modules must inherit from this class,
69 * its methods will be called when irc server events occur. class inherited from module must be
70 * instantiated by the ModuleFactory class (see relevent section) for the plugin to be initialised.
72 class Module : public classbase
76 /** Default constructor
77 * creates a module class
81 /** Default destructor
82 * destroys a module class
86 /** Returns the version number of a Module.
87 * The method should return a Version object with its version information assigned via
90 virtual Version GetVersion();
92 /** Called when a user connects.
93 * The details of the connecting user are available to you in the parameter userrec *user
95 virtual void OnUserConnect(userrec* user);
97 /** Called when a user quits.
98 * The details of the exiting user are available to you in the parameter userrec *user
100 virtual void OnUserQuit(userrec* user);
102 /** Called when a user joins a channel.
103 * The details of the joining user are available to you in the parameter userrec *user,
104 * and the details of the channel they have joined is available in the variable chanrec *channel
106 virtual void OnUserJoin(userrec* user, chanrec* channel);
108 /** Called when a user parts a channel.
109 * The details of the leaving user are available to you in the parameter userrec *user,
110 * and the details of the channel they have left is available in the variable chanrec *channel
112 virtual void OnUserPart(userrec* user, chanrec* channel);
114 /** Called before a packet is transmitted across the irc network between two irc servers.
115 * The packet is represented as a char*, as it should be regarded as a buffer, and not a string.
116 * This allows you to easily represent it in the correct ways to implement encryption, compression,
117 * digital signatures and anything else you may want to add. This should be regarded as a pre-processor
118 * and will be called before ANY other operations within the ircd core program.
120 virtual void Module::OnPacketTransmit(char *p);
122 /** Called after a packet is received from another irc server.
123 * The packet is represented as a char*, as it should be regarded as a buffer, and not a string.
124 * This allows you to easily represent it in the correct ways to implement encryption, compression,
125 * digital signatures and anything else you may want to add. This should be regarded as a pre-processor
126 * and will be called immediately after the packet is received but before any other operations with the
129 virtual void Module::OnPacketReceive(char *p);
131 /** Called on rehash.
132 * This method is called prior to a /REHASH or when a SIGHUP is received from the operating
133 * system. You should use it to reload any files so that your module keeps in step with the
134 * rest of the application.
136 virtual void OnRehash();
138 /** Called when a raw command is transmitted or received.
139 * This method is the lowest level of handler available to a module. It will be called with raw
140 * data which is passing through a connected socket. If you wish, you may munge this data by changing
141 * the string parameter "raw". If you do this, after your function exits it will immediately be
142 * cut down to 510 characters plus a carriage return and linefeed.
144 virtual void OnServerRaw(std::string &raw, bool inbound);
146 /** Called whenever an extended mode is to be processed.
147 * The type parameter is MT_SERVER, MT_CLIENT or MT_CHANNEL, dependent on where the mode is being
148 * changed. mode_on is set when the mode is being set, in which case params contains a list of
149 * parameters for the mode as strings. If mode_on is false, the mode is being removed, and parameters
150 * may contain the parameters for the mode, dependent on wether they were defined when a mode handler
151 * was set up with Server::AddExtendedMode
152 * If the mode is not a channel mode, chanrec* chan is null, and should not be read from or written to.
154 virtual bool OnExtendedMode(userrec* user, chanrec* chan, char modechar, int type, bool mode_on, string_list ¶ms);
160 /** Allows server output and query functions
161 * This class contains methods which allow a module to query the state of the irc server, and produce
162 * output to users and other servers. All modules should instantiate at least one copy of this class,
163 * and use its member functions to perform their tasks.
165 class Server : public classbase
168 /** Default constructor.
169 * Creates a Server object.
172 /** Default destructor.
173 * Destroys a Server object.
177 /** Sends text to all opers.
178 * This method sends a server notice to all opers with the usermode +s.
180 virtual void SendOpers(std::string s);
181 /** Writes a log string.
182 * This method writes a line of text to the log. If the level given is lower than the
183 * level given in the configuration, this command has no effect.
185 virtual void Log(int level, std::string s);
186 /** Sends a line of text down a TCP/IP socket.
187 * This method writes a line of text to an established socket, cutting it to 510 characters
188 * plus a carriage return and linefeed if required.
190 virtual void Send(int Socket, std::string s);
191 /** Sends text from the server to a socket.
192 * This method writes a line of text to an established socket, with the servername prepended
193 * as used by numerics (see RFC 1459)
195 virtual void SendServ(int Socket, std::string s);
196 /** Sends text from a user to a socket.
197 * This method writes a line of text to an established socket, with the given user's nick/ident
198 * /host combination prepended, as used in PRIVSG etc commands (see RFC 1459)
200 virtual void SendFrom(int Socket, userrec* User, std::string s);
201 /** Sends text from a user to another user.
202 * This method writes a line of text to a user, with a user's nick/ident
203 * /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459)
205 virtual void SendTo(userrec* Source, userrec* Dest, std::string s);
206 /** Sends text from a user to a channel (mulicast).
207 * This method writes a line of text to a channel, with the given user's nick/ident
208 * /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459). If the
209 * IncludeSender flag is set, then the text is also sent back to the user from which
210 * it originated, as seen in MODE (see RFC 1459).
212 virtual void SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender);
213 /** Returns true if two users share a common channel.
214 * This method is used internally by the NICK and QUIT commands, and the Server::SendCommon
217 virtual bool CommonChannels(userrec* u1, userrec* u2);
218 /** Sends text from a user to one or more channels (mulicast).
219 * This method writes a line of text to all users which share a common channel with a given
220 * user, with the user's nick/ident/host combination prepended, as used in PRIVMSG etc
221 * commands (see RFC 1459). If the IncludeSender flag is set, then the text is also sent
222 * back to the user from which it originated, as seen in NICK (see RFC 1459). Otherwise, it
223 * is only sent to the other recipients, as seen in QUIT.
225 virtual void SendCommon(userrec* User, std::string text,bool IncludeSender);
226 /** Sends a WALLOPS message.
227 * This method writes a WALLOPS message to all users with the +w flag, originating from the
230 virtual void SendWallops(userrec* User, std::string text);
232 /** Returns true if a nick is valid.
233 * Nicks for unregistered connections will return false.
235 virtual bool IsNick(std::string nick);
236 /** Attempts to look up a nick and return a pointer to it.
237 * This function will return NULL if the nick does not exist.
239 virtual userrec* FindNick(std::string nick);
240 /** Attempts to look up a channel and return a pointer to it.
241 * This function will return NULL if the channel does not exist.
243 virtual chanrec* FindChannel(std::string channel);
244 /** Attempts to look up a user's privilages on a channel.
245 * This function will return a string containing either @, %, +, or an empty string,
246 * representing the user's privilages upon the channel you specify.
248 virtual std::string ChanMode(userrec* User, chanrec* Chan);
249 /** Returns the server name of the server where the module is loaded.
251 virtual std::string GetServerName();
252 /** Returns the network name, global to all linked servers.
254 virtual std::string GetNetworkName();
255 /** Returns the information of the server as returned by the /ADMIN command.
256 * See the Admin class for further information of the return value. The members
257 * Admin::Nick, Admin::Email and Admin::Name contain the information for the
258 * server where the module is loaded.
260 virtual Admin GetAdmin();
261 /** Adds an extended mode letter which is parsed by a module
262 * This allows modules to add extra mode letters, e.g. +x for hostcloak.
263 * the "type" parameter is either MT_CHANNEL, MT_CLIENT, or MT_SERVER, to
264 * indicate wether the mode is a channel mode, a client mode, or a server mode.
265 * default_on is true if the mode is to be applied to default connections.
266 * params_when_on is the number of modes to expect when the mode is turned on
267 * (for type MT_CHANNEL only), e.g. with mode +b, this would have a value of 1.
268 * the params_when_off value has a similar value to params_when_on, except it indicates
269 * the number of parameters to expect when the mode is disabled. Modes which act in a similar
270 * way to channel mode +l (e.g. require a parameter to enable, but not to disable) should
271 * use this parameter. The function returns false if the mode is unavailable, and will not
272 * attempt to allocate another character, as this will confuse users. This also means that
273 * as only one module can claim a specific mode character, the core does not need to keep track
274 * of which modules own which modes, which speeds up operation of the server. In this version,
275 * a mode can have at most one parameter, attempting to use more parameters will have undefined
278 virtual bool AddExtendedMode(char modechar, int type, bool default_on, int params_when_on, int params_when_off);
280 /** Adds a command to the command table.
281 * This allows modules to add extra commands into the command table. You must place a function within your
282 * module which is is of type handlerfunc:
284 * typedef void (handlerfunc) (char**, int, userrec*);
286 * void handle_kill(char **parameters, int pcnt, userrec *user)
288 * When the command is typed, the parameters will be placed into the parameters array (similar to argv) and
289 * the parameter count will be placed into pcnt (similar to argv). There will never be any less parameters
290 * than the 'minparams' value you specified when creating the command. The *user parameter is the class of
291 * the user which caused the command to trigger, who will always have the flag you specified in 'flags' when
292 * creating the initial command. For example to create an oper only command create the commands with flags='o'.
294 virtual void AddCommand(char* cmd, handlerfunc f, char flags, int minparams);
296 /** Sends a servermode.
297 * you must format the parameters array with the target, modes and parameters for those modes.
303 * modes[0] = ChannelName;
307 * modes[2] = user->nick;
309 * Srv->SendMode(modes,3,user);
311 * The modes will originate from the server where the command was issued, however responses (e.g. numerics)
312 * will be sent to the user you provide as the third parameter.
313 * You must be sure to get the number of parameters correct in the pcnt parameter otherwise you could leave
314 * your server in an unstable state!
317 virtual void SendMode(char **parameters, int pcnt, userrec *user);
320 /** Allows reading of values from configuration files
321 * This class allows a module to read from either the main configuration file (inspircd.conf) or from
322 * a module-specified configuration file. It may either be instantiated with one parameter or none.
323 * Constructing the class using one parameter allows you to specify a path to your own configuration
324 * file, otherwise, inspircd.conf is read.
326 class ConfigReader : public classbase
329 /** The filename of the configuration file, as set by the constructor.
333 /** Default constructor.
334 * This constructor initialises the ConfigReader class to read the inspircd.conf file
335 * as specified when running ./configure.
337 ConfigReader(); // default constructor reads ircd.conf
338 /** Overloaded constructor.
339 * This constructor initialises the ConfigReader class to read a user-specified config file
341 ConfigReader(std::string filename); // read a module-specific config
342 /** Default destructor.
343 * This method destroys the ConfigReader class.
346 /** Retrieves a value from the config file.
347 * This method retrieves a value from the config file. Where multiple copies of the tag
348 * exist in the config file, index indicates which of the values to retrieve.
350 std::string ReadValue(std::string tag, std::string name, int index);
351 /** Counts the number of times a given tag appears in the config file.
352 * This method counts the number of times a tag appears in a config file, for use where
353 * there are several tags of the same kind, e.g. with opers and connect types. It can be
354 * used with the index value of ConfigReader::ReadValue to loop through all copies of a
355 * multiple instance tag.
357 int Enumerate(std::string tag);
358 /** Returns true if a config file is valid.
359 * This method is unimplemented and will always return true.
366 /** Caches a text file into memory and can be used to retrieve lines from it.
367 * This class contains methods for read-only manipulation of a text file in memory.
368 * Either use the constructor type with one parameter to load a file into memory
369 * at construction, or use the LoadFile method to load a file.
371 class FileReader : public classbase
375 /** Default constructor.
376 * This method does not load any file into memory, you must use the LoadFile method
377 * after constructing the class this way.
380 /** Secondary constructor.
381 * This method initialises the class with a file loaded into it ready for GetLine and
382 * and other methods to be called. If the file could not be loaded, FileReader::FileSize
385 FileReader(std::string filename);
386 /** Default destructor.
387 * This deletes the memory allocated to the file.
390 /** Used to load a file.
391 * This method loads a file into the class ready for GetLine and
392 * and other methods to be called. If the file could not be loaded, FileReader::FileSize
395 void LoadFile(std::string filename);
396 /** Retrieve one line from the file.
397 * This method retrieves one line from the text file. If an empty non-NULL string is returned,
398 * the index was out of bounds, or the line had no data on it.
401 std::string GetLine(int x);
402 /** Returns the size of the file in lines.
403 * This method returns the number of lines in the read file. If it is 0, no lines have been
404 * read into memory, either because the file is empty or it does not exist, or cannot be
405 * opened due to permission problems.
411 /** Instantiates classes inherited from Module
412 * This class creates a class inherited from type Module, using new. This is to allow for modules
413 * to create many different variants of Module, dependent on architecture, configuration, etc.
414 * In most cases, the simple class shown in the example module m_foobar.so will suffice for most
417 class ModuleFactory : public classbase
421 virtual ~ModuleFactory() { }
422 /** Creates a new module.
423 * Your inherited class of ModuleFactory must return a pointer to your Module class
426 virtual Module * CreateModule() = 0;
430 typedef DLLFactory<ModuleFactory> ircd_module;