/* */ #ifndef __PLUGIN_H #define __PLUGIN_H #define DEBUG 10 #define VERBOSE 20 #define DEFAULT 30 #define SPARSE 40 #define NONE 50 #include "dynamic.h" #include "base.h" #include #include /** Low level definition of a FileReader classes file cache area */ typedef deque file_cache; // This #define allows us to call a method in all // loaded modules in a readable simple way, e.g.: // 'FOREACH_MOD OnConnect(user);' #define FOREACH_MOD for (int i = 0; i <= MODCOUNT; i++) modules[i]-> // class Version holds the version information of a Module, returned // by Module::GetVersion (thanks RD) /** Holds a module's Version information * The four members (set by the constructor only) indicate details as to the version number * of a module. A class of type Version is returned by the GetVersion method of the Module class. */ class Version : public classbase { public: const int Major, Minor, Revision, Build; Version(int major, int minor, int revision, int build); }; /** Holds /ADMIN data * This class contains the admin details of the local server. It is constructed by class Server, * and has three read-only values, Name, Email and Nick that contain the specified values for the * server where the module is running. */ class Admin : public classbase { public: const string Name, Email, Nick; Admin(string name,string email,string nick); }; /** Base class for all InspIRCd modules * This class is the base class for InspIRCd modules. All modules must inherit from this class, * its methods will be called when irc server events occur. class inherited from module must be * instantiated by the ModuleFactory class (see relevent section) for the plugin to be initialised. */ class Module : public classbase { public: /** Default constructor * creates a module class */ Module(); /** Default destructor * destroys a module class */ virtual ~Module(); /** Returns the version number of a Module. * The method should return a Version object with its version information assigned via * Version::Version */ virtual Version GetVersion(); /** Called when a user connects. * The details of the connecting user are available to you in the parameter userrec *user */ virtual void OnUserConnect(userrec* user); /** Called when a user quits. * The details of the exiting user are available to you in the parameter userrec *user */ virtual void OnUserQuit(userrec* user); /** Called when a user joins a channel. * The details of the joining user are available to you in the parameter userrec *user, * and the details of the channel they have joined is available in the variable chanrec *channel */ virtual void OnUserJoin(userrec* user, chanrec* channel); /** Called when a user parts a channel. * The details of the leaving user are available to you in the parameter userrec *user, * and the details of the channel they have left is available in the variable chanrec *channel */ virtual void OnUserPart(userrec* user, chanrec* channel); /** Called before a packet is transmitted across the irc network between two irc servers. * The packet is represented as a char*, as it should be regarded as a buffer, and not a string. * This allows you to easily represent it in the correct ways to implement encryption, compression, * digital signatures and anything else you may want to add. This should be regarded as a pre-processor * and will be called before ANY other operations within the ircd core program. */ virtual void Module::OnPacketTransmit(char *p); /** Called after a packet is received from another irc server. * The packet is represented as a char*, as it should be regarded as a buffer, and not a string. * This allows you to easily represent it in the correct ways to implement encryption, compression, * digital signatures and anything else you may want to add. This should be regarded as a pre-processor * and will be called immediately after the packet is received but before any other operations with the * core of the ircd. */ virtual void Module::OnPacketReceive(char *p); /** Called on rehash. * This method is called prior to a /REHASH or when a SIGHUP is received from the operating * system. You should use it to reload any files so that your module keeps in step with the * rest of the application. */ virtual void OnRehash(); /** Called when a raw command is transmitted or received. * This method is the lowest level of handler available to a module. It will be called with raw * data which is passing through a connected socket. If you wish, you may munge this data by changing * the string parameter "raw". If you do this, after your function exits it will immediately be * cut down to 510 characters plus a carriage return and linefeed. */ virtual void Module::OnServerRaw(string &raw, bool inbound); }; /** Allows server output and query functions * This class contains methods which allow a module to query the state of the irc server, and produce * output to users and other servers. All modules should instantiate at least one copy of this class, * and use its member functions to perform their tasks. */ class Server : public classbase { public: /** Default constructor. * Creates a Server object. */ Server(); /** Default destructor. * Destroys a Server object. */ virtual ~Server(); /** Sends text to all opers. * This method sends a server notice to all opers with the usermode +s. */ virtual void SendOpers(string s); /** Writes a log string. * This method writes a line of text to the log. If the level given is lower than the * level given in the configuration, this command has no effect. */ virtual void Log(int level, string s); /** Sends a line of text down a TCP/IP socket. * This method writes a line of text to an established socket, cutting it to 510 characters * plus a carriage return and linefeed if required. */ virtual void Send(int Socket, string s); /** Sends text from the server to a socket. * This method writes a line of text to an established socket, with the servername prepended * as used by numerics (see RFC 1459) */ virtual void SendServ(int Socket, string s); /** Sends text from a user to a socket. * This method writes a line of text to an established socket, with the given user's nick/ident * /host combination prepended, as used in PRIVSG etc commands (see RFC 1459) */ virtual void SendFrom(int Socket, userrec* User, string s); /** Sends text from a user to another user. * This method writes a line of text to a user, with a user's nick/ident * /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459) */ virtual void SendTo(userrec* Source, userrec* Dest, string s); /** Sends text from a user to a channel (mulicast). * This method writes a line of text to a channel, with the given user's nick/ident * /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459). If the * IncludeSender flag is set, then the text is also sent back to the user from which * it originated, as seen in MODE (see RFC 1459). */ virtual void SendChannel(userrec* User, chanrec* Channel, string s,bool IncludeSender); /** Returns true if two users share a common channel. * This method is used internally by the NICK and QUIT commands, and the Server::SendCommon * method. */ virtual bool CommonChannels(userrec* u1, userrec* u2); /** Sends text from a user to one or more channels (mulicast). * This method writes a line of text to all users which share a common channel with a given * user, with the user's nick/ident/host combination prepended, as used in PRIVMSG etc * commands (see RFC 1459). If the IncludeSender flag is set, then the text is also sent * back to the user from which it originated, as seen in NICK (see RFC 1459). Otherwise, it * is only sent to the other recipients, as seen in QUIT. */ virtual void SendCommon(userrec* User, string text,bool IncludeSender); /** Sends a WALLOPS message. * This method writes a WALLOPS message to all users with the +w flag, originating from the * specified user. */ virtual void SendWallops(userrec* User, string text); /** Returns true if a nick is valid. * Nicks for unregistered connections will return false. */ virtual bool IsNick(string nick); /** Attempts to look up a nick and return a pointer to it. * This function will return NULL if the nick does not exist. */ virtual userrec* FindNick(string nick); /** Attempts to look up a channel and return a pointer to it. * This function will return NULL if the channel does not exist. */ virtual chanrec* FindChannel(string channel); /** Attempts to look up a user's privilages on a channel. * This function will return a string containing either @, %, +, or an empty string, * representing the user's privilages upon the channel you specify. */ virtual string ChanMode(userrec* User, chanrec* Chan); /** Returns the server name of the server where the module is loaded. */ virtual string GetServerName(); /** Returns the network name, global to all linked servers. */ virtual string GetNetworkName(); /** Returns the information of the server as returned by the /ADMIN command. * See the Admin class for further information of the return value. The members * Admin::Nick, Admin::Email and Admin::Name contain the information for the * server where the module is loaded. */ virtual Admin GetAdmin(); }; /** Allows reading of values from configuration files * This class allows a module to read from either the main configuration file (inspircd.conf) or from * a module-specified configuration file. It may either be instantiated with one parameter or none. * Constructing the class using one parameter allows you to specify a path to your own configuration * file, otherwise, inspircd.conf is read. */ class ConfigReader : public classbase { protected: /** The filename of the configuration file, as set by the constructor. */ string fname; public: /** Default constructor. * This constructor initialises the ConfigReader class to read the inspircd.conf file * as specified when running ./configure. */ ConfigReader(); // default constructor reads ircd.conf /** Overloaded constructor. * This constructor initialises the ConfigReader class to read a user-specified config file */ ConfigReader(string filename); // read a module-specific config /** Default destructor. * This method destroys the ConfigReader class. */ ~ConfigReader(); /** Retrieves a value from the config file. * This method retrieves a value from the config file. Where multiple copies of the tag * exist in the config file, index indicates which of the values to retrieve. */ string ReadValue(string tag, string name, int index); /** Counts the number of times a given tag appears in the config file. * This method counts the number of times a tag appears in a config file, for use where * there are several tags of the same kind, e.g. with opers and connect types. It can be * used with the index value of ConfigReader::ReadValue to loop through all copies of a * multiple instance tag. */ int Enumerate(string tag); /** Returns true if a config file is valid. * This method is unimplemented and will always return true. */ bool Verify(); }; /** Caches a text file into memory and can be used to retrieve lines from it. * This class contains methods for read-only manipulation of a text file in memory. * Either use the constructor type with one parameter to load a file into memory * at construction, or use the LoadFile method to load a file. */ class FileReader : public classbase { file_cache fc; public: /** Default constructor. * This method does not load any file into memory, you must use the LoadFile method * after constructing the class this way. */ FileReader(); /** Secondary constructor. * This method initialises the class with a file loaded into it ready for GetLine and * and other methods to be called. If the file could not be loaded, FileReader::FileSize * returns 0. */ FileReader(string filename); /** Default destructor. * This deletes the memory allocated to the file. */ ~FileReader(); /** Used to load a file. * This method loads a file into the class ready for GetLine and * and other methods to be called. If the file could not be loaded, FileReader::FileSize * returns 0. */ void LoadFile(string filename); /** Retrieve one line from the file. * This method retrieves one line from the text file. If an empty non-NULL string is returned, * the index was out of bounds, or the line had no data on it. */ string GetLine(int x); /** Returns the size of the file in lines. * This method returns the number of lines in the read file. If it is 0, no lines have been * read into memory, either because the file is empty or it does not exist, or cannot be * opened due to permission problems. */ int FileSize(); }; /** Instantiates classes inherited from Module * This class creates a class inherited from type Module, using new. This is to allow for modules * to create many different variants of Module, dependent on architecture, configuration, etc. * In most cases, the simple class shown in the example module m_foobar.so will suffice for most * modules. */ class ModuleFactory : public classbase { public: ModuleFactory() { } virtual ~ModuleFactory() { } /** Creates a new module. * Your inherited class of ModuleFactory must return a pointer to your Module class * using this method. */ virtual Module * CreateModule() = 0; }; typedef DLLFactory ircd_module; #endif